184results about How to "Guided stability" patented technology

A medical equipment includes an optical connector that detachably connects a plug to a receptacle provided in an equipment main body to optically connect a plug-side optical fiber fixed to the plug and a receptacle-side optical fiber fixed to the receptacle. The plug and the receptacle have plural engagement pairs each having a protrusion that protrudes in an insertion direction of the plug and an engagement part that is adapted to be engaged with the protrusion. Engagement beginning positions of the engagement pairs where the protrusions and the engagement parts begin to engage are different along the insertion direction. Each engagement pair has a narrower engagement gap between the protrusion and the engagement part than that between the protrusion and the engagement part of any pair which begin to engage earlier as the plug is inserted than the protrusion and the engagement part of each engagement pair.

The invention discloses a high-speed magnetic suspension linear propulsion system, and belongs to the field of motors. The high-speed magnetic suspension linear propulsion system aims at solving the problems that an existing magnetic suspension propulsion system is poor in stability and complex in control. The propulsion system comprises a motor device and a driving control device. The motor device is mainly formed by a primary part and secondary parts. The primary part is mainly formed by a suspension part, a primary guide part and a primary propulsion part. Each secondary part is mainly formed by a rotor base plate and a secondary unit. Each secondary unit is fixed to the corresponding rotor base plate and is mainly formed by a permanent magnet and a secondary base plate. The driving control device is used for generating a driving signal and transmitting the driving signal to the primary part to achieve driving control. According to the high-speed magnetic suspension linear propulsion system, as suspending and guiding are adapted and stabilized by itself, and a special suspending and guiding control device is not required, control is easy, safe and reliable, cost is low, and running efficiency is high. Suspension and guide air gaps are large, suspending and guiding are stable, and the harsh requirement for the building accuracy of a guide rail is avoided.

A clutch assembly for connecting a shaft to a rotary member mounted on said shaft in a rotationally fixed manner comprises: a sliding sleeve which is rotationally fixed to the shaft, is axially slidably mounted on said shaft and is provided with a first gearing, A clutch body which is rotationally fixed to the rotary member and provided with a second gearing which can mesh with the first gearing to connect the shaft and the rotary member in a rotationally fixed manner. And, a locking synchronisation unit having a synchroniser ring with a friction surface the ring permitting the speeds of the shaft and the rotary member to be synchronised before the meshing of the first and second gearings. The locking synchronisation unit further comprises a locking member which is coupled to the sliding sleeve by a detent groove and to the synchroniser ring in the rotational direction (D) by a pair of locking surfaces. The pair of locking surfaces are situated between the locking member and a synchroniser member, the latter being coupled to the locking member in the axial direction (A) and to the synchroniser ring in the rotational direction (D).

The invention discloses a rolling massaging bed electrically changing the lying postures, and belongs to the field of massaging beds. The rolling massaging bed comprises a bed framework, a bed board, a back lifting device, a leg bending device, a front rolling massaging device and a back rolling massaging device. The bed board is of a curtain-shaped structure longitudinally bent. The front rolling massaging device and the back rolling massaging device are the same in structure and respectively comprise massaging wheels, a beam, a support, a base, a vertical lifting mechanism and a linear drive mechanism. The back lifting device comprises a back lifting support, a back lifting rotating shaft, traction ropes, sliding wheels and a back lifting pull rod. The leg bending device comprises a leg bending sliding support, leg bending sliding blocks, a guide rail support, leg bending guide rails and an electric push-and-pull mechanism. Compared with an existing nursing bed, the back lifting and leg bending functions are achieved through the simpler structure, and the manufacturing cost of the nursing bed is greatly reduced; a patient can be comprehensively massaged in a rolling mode, the lying postures of the patient are diversified, the rolling massaging bed is especially suitable for paralytics, and the labor intensity of medical workers and family members of the patient is relieved.

The invention discloses a machining machine tool of a special pipe. The machining machine tool comprises a rack, a positioning mechanism, a clamping mechanism, pipe end forming mechanisms, a punching cutting mechanism, a cutting mechanism and a control system. The positioning mechanism, the clamping mechanism, the pipe end forming mechanisms, the punching cutting mechanism, the cutting mechanism and the control system are arranged on the rack, the positioning mechanism is composed of a plurality of positioning modules, and the special pipe is limited on the positioning modules. The clamping mechanism comprises a head limiting device, a tail limiting device and a middle limiting device, and the clamping mechanism can clamp or loosen the special pipe; the pipe end forming mechanisms enable the two ends of the special pipe to be machined and formed; the punching cutting mechanism comprises a pushing device and a punching device, and the pushing device can push the punching device to punch the special pipe; the cutting mechanism comprises a propelling device and a cutting device, and the propelling device can push the cutting device to move and cut the special pipe; the control system coordinately controls the motion and the sequence. The machining machine tool has the advantages that pipe end forming, pipe body punching or cutting, pipe material cutting and other working procedures can be completed through one-time clamping, the machining precision is high, and the production efficiency is high.

A compact position sensor with high operational reliability is provided. This sensor has a tubular detection coil, a magnetic core movable in the detection coil, a drive circuit for the detection coil, a signal processing circuit for converting a change in impedance of the detection coil into an electric signal, and a guide means for guiding a movement of the magnetic core in the detection coil. The guide means has a guide portion connected to the magnetic core and a support portion for slidably supporting the guide portion. The magnetic core can be smoothly displaced in the detection coil without contacting an inner surface of the detection coil by a sliding movement of the guide portion relative to the support portion.

The invention provides a robot walking mechanism which comprises a mounting part, a driving mechanism and a guide mechanism, wherein the guide mechanism comprises a front guide module and a rear guide module; the front guide module and the rear guide module are same in structure and comprise support rods, guide blocks and guide wheel groups; the guide blocks can be rotatably arranged on the support rods; two ends of the guide bocks are arranged on the guide wheel groups; the bottom ends of the support rods of the front and rear guide modules are respectively arranged at two ends of the mounting parts; and the driving mechanism is arranged on the mounting part in a manner of moving left and right. The guide mechanism and the driving mechanism can adapt to a curve, so that the robot walking mechanism can turn a corner without assistance of an auxiliary device and is simple in structure.

The invention discloses a multifunctional massage bed for caring a patient through manually lifting the back and bending the legs, and belongs to the field of massage beds. The massage bed comprises a bed body frame, a bed board, a back lifting device, a leg bending device, a front massage device and a back massage device. A back lifting traction rope is controlled by a manual back lifting traction and locking mechanism to retract or extend to drive a back lifting bracket to lift and fall, a leg bending traction rope is controlled by a manual leg bending traction and locking mechanism to move forward and backward to drive a leg bending sliding bracket to move forward and backward, the front massage device and the back massage device are utilized to realize the rolling type massage and the vibrating type massage for the patient, the structure which is simpler than the conventional massage bed is utilized to realize the functions of back lifting and leg bending, the operation is simple, the action is fluent, the manufacturing cost of the massage bed is greatly reduced, and the application is convenient; meanwhile, the massage with multiple modes to the patients is realized, the massage comfort is high, so that the massage bed is particularly suitable for the paralytic patients who cannot care themselves, and the labor intensity of medical care personnel and patient families is reduced.

The invention discloses an electric wire take-up stand. The electric wire take-up stand comprises a base, supports, a motor, a wire coil clamping device and a guide device; the supports are symmetrically arranged on the base and are connected by a connection plate; the motor is fixedly arranged on the base; the coil clamping device is fixedly connected with the supports and is positioned between the supports; the guide device is positioned in between the upper ends of the supports and is movably connected with the supports; the guide device comprises a guide rail, a slider and a threading block; the slider is arranged on the guide rail; the threading block is fixedly connected with the slider by a screw; a wire passing slot is formed in the threading block; a line of balls are embedded in the bottom surface of the wire passing slot; a line of balls are symmetrically embedded in the two side surfaces of the wire passing slot. The electric wire take-up stand is simple in structure, convenient to use and stable in guide.

The invention discloses an electric back-lifting leg-bending massaging bed for patient nursing, and belongs to the field of massaging beds. The massaging bed comprises a bed body framework, a bed plate, a back lifting device, a leg bending device and a rolling massaging device. The bed plate is of a curtain-shaped structure capable of longitudinally bending. The rolling massaging device comprises massaging rollers, a beam, supports, a base, a vertical lifting mechanism and a linear drive mechanism. The back lifting device comprises a back lifting support, back lifting rotating shafts, a pulling rope, pulleys and a back lifting pull rod. The leg bending device comprises a leg bending sliding support, leg bending sliding blocks, guide rail supports, leg bending guide rails and an electric push-pull mechanism. According to the electric back-lifting leg-bending massaging bed for patient nursing, a structure simpler than that of an existing nursing bed is adopted to achieve the back lifting and leg bending functions, the massaging bed is easy to operate and higher in comfort, the manufacturing cost of the nursing bed is greatly reduced, and the massaging bed is convenient to popularized. Meanwhile, massage can be conducted on the back of the patient in a rolling mode, the massaging comfort is high, the massaging bed is especially suitable for paralytic patients who cannot take care of themselves, and labor intensity of medical staff and family members of the patient is lowered.

There is provided an expansion valve which, by moving the sub-valve in a valve housing, controls the flow rate of a refrigerant in a first flow direction and releases the refrigerant to flow in a second flow direction, wherein the sub-valve is reduced in weight and a valve port is provided with high accuracy. The sub-valve includes a guide member formed by press work and a valve seat member formed by cutting. The sub-valve is seated on a sub-valve seat of a valve seat ring when the pressure in a main valve chamber is high, and is moved away from the sub-valve seat when the pressure in the main valve chamber is low. The sub-valve is reduced in weight by forming the guide member by press work, and the valve port is formed with improved accuracy by forming the valve seat member by cutting.

The invention discloses a composite vertical compression mould clamping device comprising a tail board, a second board, a pull rod, a head board and a mould clamping cylinder, wherein the head board is connected in front of the pull rod; the tail end of the pull rod is connected with the tail board; the second board is arranged on a guide rail but not sleeved on the pull rod and is also provided with a support pillar; one end of the support pillar is fixed on the second board, and the other end is arranged in a guide sleeve of the support pillar after passing through a mould clamping piston and is also provided with a support pillar inner cavity in which a piston rod is arranged; one side of the piston rod forms a rodless cavity together with the support pillar inner cavity, and the other side forms a rod cavity; the rod cavity and the rodless cavity are both connected with an external oil path; the mould clamping cylinder comprises a mould clamping piton sleeve and a mould clamping piston; the mould clamping piston sleeve is fixed on the tail board; a mould clamping cylinder mould breaking cavity is formed between the mould clamping piston and the tail board; and mould clamping cylinder mould protecting cavities are respectively formed between the mould clamping piston and the tail board and between the mould clamping piston and the support pillar guide sleeve. The invention has the advantages that the pull rod is well stressed and not easy to break off; the second board is flexible and convenient to move; and the whole mechanism has strong adaptability on a mould and good whole rigidity.

The invention provides an injection mechanism for injection molding machines, which comprises a front guide bar support and a back guide bar support, wherein an injection-table guide bar is arranged on the front guide bar support and the back guide bar support; an injection-table front plate and an injection-table back plate are arranged on the injection-table guide bar; the injection-table front plate is connected with an oil-cylinder integral shifting component and a charging barrel screw; the charging barrel screw is driven by a hydraulic motor and an injection oil cylinder; and the hydraulic motor is connected with the injection-table back plate. The injection mechanism is characterized in that the rear part of the injection-table front plate is provided with a linear guide rail; the lower part of the injection-table back plate is provided with a slider; the slider is matched with the linear guide rail; and the hydraulic motor, an injection valve plate component and the injection oil cylinder are fixed on the injection-table back plate. As the injection-table front plate and the injection-table back plate in the structure fit through the linear guide rail, injection, injection withdraw and material storage are all guided through the linear guide rail; the injection mechanism is fast in motion and accurate to position, reduces the mechanical back pressure of stored material to minimum, and enables the stored material to be uniform; and integral shifting action is relatively independent of the guidance of injection, injection withdraw and material storage.

The invention discloses a massage device for a bed, and belongs to the field of massage apparatuses. The massage device for the bed comprises a base, a support, a rolling massage device, a vibrating massage device and a controller, wherein a linear driving mechanism which can drive the base to carry out reciprocating linear movement is arranged at the bottom of the base, the lower end of the support is fixed to the base, both the rolling massage device and the vibrating massage device are installed at the upper end of the support, a perpendicular lifting mechanism which can push the rolling massage device to ascend is arranged at the lower end of the rolling massage device, a traction mechanism which can drive the vibrating massage device to reciprocate left and right is connected to the vibrating massage device, and the linear driving mechanism, the perpendicular lifting mechanism, the traction mechanism and the vibrating massage device are all connected with the controller. According to the massage device for the bed, rolling massage and vibrating massage are organically combined, massage can be performed in multiple modes, the comfort level of massage is high, all-directional massage can be carried out on a human body, and especially, the part, with small contact force with a bed surface, of the human body can also be well massaged.

The invention relates to a quick coupling and a working method thereof. The quick coupling comprises a male connector and a female connector which are in plugging fit; a movable first valve core and a movable second valve core are used in the male connector and the female connector to be in seal fit with circular seal parts of sleeves, and the structure is simple; through arrangement of a spring sleeve, in the plugging process of the male connector, after the second valve core is separated from a second seal disk, a first sleeve of the female connector cannot be connected with a first sleeve of the male connector immediately, so that connection can be realized after the first sleeve of the male connector enters the first sleeve of the female connector and the outer wall of the first sleeve of the male connector and a second circular seal part form a seal, the pressure required to be borne by the first sleeve of the male connector in the initial plugged state is effectively reduced, and leakage is avoided.

The invention discloses an elevator rope, which comprises a plurality of supporting bodies and a coating layer, wherein the plurality of the supporting bodies are partially embedded into the coating layer; the adjacent supporting bodies are arranged according to certain spacing; each supporting body comprises a bearing core thread and a nonmetallic inclusion for enwrapping the bearing core thread; the supporting bodies are provided with the width w and the thickness t which is measured in the bending direction, and the ratio of the thickness t to the width w is more than or equal to 1; the coating layer is made of nonmetallic materials and connected with the supporting bodies; and the design of the coating layer can make the supporting bodies carry out relative displacement in the longitudinal direction. The invention also discloses a traction pulley and an elevator device which adopt the elevator rope. The elevator rope has good twisting flexibility and bending flexibility, long service life, simple and reliable manufacture and low cost, and an elevator system is more flexibly arranged.

The invention discloses a large-flow adjustable firefighting water-sprinkling sprayer. During practical use, the large-flow adjustable firefighting water-sprinkling sprayer is mainly used for large-flow firefighting conditions during big fire; when fire breaks out, after a glass ball is broken due to heating, temperature sensors on a bearing plate perform temperature induction on a fire source direction and transmit signals to a controller; after the controller receives the signals of the temperature sensors, the controller controls a motor of a telescopic driving device which is opposite to afire source in direction to be started; and the motor drives a corresponding gear to rotate, and further a corresponding connection chain is pulled upwards. Besides, when the fire source is located between a left side and a right side, telescopic driving devices close to two sides of the fire source can perform contraction control on corresponding connection chains synchronously, so that targetedfire extinguishing can be performed in the direction; besides, elastic supporting sleeves which sleeve the connection chains exert an elastic supporting effect on the connection chains, so that supporting strength of the connection chains to a water spilling disc can be enhanced; and a large-flow water flow can be stably baffled and guided by the water spilling disc, so that precise spraying fireextinguishing is realized.

The invention discloses a spraying electric mark resistance test device, which comprises a machine case, wherein a spraying chamber is arranged in the machine case, a left guide rod and a right guide rod are arranged in the spraying chamber, the lower side of the left guide rod is provided with a clamp device, the upper side of the right guide rod is provided with a spray seat, a spraying head is arranged on the spray seat, the clamp device comprises an upper clamp, a lower clamp and a base, the upper clamp and the lower clamp are of the same structure, a center hole used for fixing specimens and a guide rod ole matched with the left guide rod are formed in a base body of the base, and a microprocessor is also arranged on the machine case. The spraying electric mark resistance test device has the advantages that the specimens are fixed through the special clamps, so the specimens can exert voltage according to test requirements, the damaged conditions of cables and electric power fittings caused by electric marks due to surface electric leakage in filthy conditions are really tested, in addition, through the microprocessor, test parameters are automatically regulated, and rest results are automatically recorded, processed and output.

The invention relates to an improved rotary safe insulin injection needle which comprises a needle body, a middle sleeve, a front sleeve and a spring. The improved rotary safe insulin injection needleis characterized in that a rotary tube is arranged in the middle sleeve, and an inclined plane track is arranged on an outer edge of the rotary tube; an inclined surface acting part is arranged on aninner edge of the front sleeve corresponding to the inclined surface track; a first pair of front end limiting structures is arranged between the rotary pipe and the front sleeve, and a second pair of front end limiting structures and a locking anti-retreat structure are arranged between the front sleeve and the middle sleeve. By the adoption of the improved rotary safe insulin injection needle,when the needle is pushed, the front sleeve moves backwards to drive the rotary pipe to rotate, so that the first pair of the front end limiting structures generates dislocation and failure in a circumferential direction; and then the front sleeve is locked by the second pair of the front end limiting structures and the locking anti-retreat structure, thereby effectively solving the problem of locking the protection of the front sleeve after use.

The invention provides a microprocessor control electro-hydraulic servo load-shear test machine which comprises a host, a horizontal dynamic single-shear loading mechanism, a horizontal static double-shear loading mechanism, a rotating angle measuring system, a hydraulic system and a control system. A four-stand-column oil cylinder upside arranging structure is adopted for the host, a main oil cylinder achieves guiding through four reinforcing plates, the horizontal dynamic single-shear loading mechanism, the horizontal static double-shear loading mechanism and the four-stand-column oil cylinder upside arranging structure are used in cooperation, and therefore test space is large, operation is convenient, assembling is easy, experiment data is precise, the machine can be used as a highway and railway bridge and a high-damping rubber bearing and can also be used for a building component compression test, and multiple purposes are achieved through one machine.

The invention relates to an isolating and grounding switch mechanism and a gas-insulated metal-enclosed switchgear. The isolating and grounding switch mechanism comprises a housing, an isolating switch and a grounding switch. The isolating switch comprises an isolating switch movable contact and an isolating switch static contact, wherein the isolating switch movable contact and the isolating switch static contact are axially arranged in parallel. The grounding switch comprises a grounding switch movable contact and a grounding switch static contact. A transformer connection terminal, an external connection terminal used for accessing a main loop to a conductive structure, a guide contact holder and a connection contact holder are arranged inside the housing, wherein the guide contact holder and the connection contact holder are horizontally arranged side by side along the axial direction. The transformer connection terminal is arranged on the guide contact holder. The isolating switch static contact is arranged on the connection contact holder and is oriented towards the guide contact holder. The external connection terminal is arranged on the connection contact holder and is used for axially accessing the main loop to the conductive structure. The isolating switch movable contact is axially guided to pass through the guide contact holder and is provided with a closing station in contact cooperation with the connection contact holder. In this way, the problem in the prior art that an existing isolating and grounding switch mechanism is large in occupation space in the vertical direction and poor in part durability can be solved.

The invention discloses a single-seat flexible seal valve device which comprises a valve body, a valve seat with an annular structure, a pressing sleeve, a first sealing element, a valve core component, a valve rod, an upper valve deck, a guide sleeve and a second sealing element. The valve body is provided with a fluid inlet and a fluid outlet of a large S-shaped flow channel; the valve seat radially and finely moves in the valve body; the first sealing element is arranged between the valve seat and the valve body; the pressing sleeve is arranged in the valve body; the valve core component further comprises a valve core, an elastic supporting piece and a soft sealing ring, the elastic supporting piece and the soft sealing ring are arranged in a groove of the valve core, and the soft sealing ring is supported by the elastic supporting piece; the valve rod is connected with the valve core component; the upper valve deck is arranged at the position of an opening at the upper end of the valve body; the guide sleeve is inlaid in the upper valve deck and provides good guiding for the valve core component; and the second sealing element is pressed in the valve body by the upper valve deck, the valve seat and the valve core form an angle seal, a valve seat surface and the soft sealing ring are elastically sealed, and a part of forces which the valve core applies to the valve seat is directly transmitted to the valve seat when the valve core and the valve seat are finally in a closed position state so that the soft sealing ring can be prevented from being damaged by overloading.

The invention relates to an ultra-large-diameter material switch angle valve which comprises a valve body, wherein a stuffing box is processed on the valve body, a guide bushing is arranged in the stuffing box, a valve rod is in sliding connection with the guide bushing, and a thrust nut is arranged at the bottom end of the valve rod and connected with a valve disc. A valve base is pressed on the valve body through a valve plug assembly, the valve base and the valve disc are in conical surface matching sealing, a guide blade is fixed at the position of an excircle on the top end surface of the valve disc, and the outer lateral wall of the guide blade is matched with the lateral wall of an inner circle of the valve base. The valve plug assembly is firmly connected and cannot loosen easily. The weight of the valve plug assembly can be reduced by about 30% so that action flexibility and reliability are effectively improved. The valve rod is stable in guide, flexible to act and not apt to have blocking or deformation. The sealing performance and all action indexes of the ultra-large-diameter material switch angle valve well meet use requirements.

The invention provides an octahedral guiding elevator. The octahedral guiding elevator comprises a cuboid supporting frame, an elevator car, and a traction mechanism, wherein the cuboid supporting frame is supported by four upright posts; the elevator car is arranged in the supporting frame; the traction mechanism is used for drawing the elevator car to move; the elevator car comprises four side edge angles; mounting seats opposite to the two adjacent side surfaces of the upright posts are arranged at the extending parts on the two adjacent side surfaces of elevator car forming the side edge angles; guide grooves are formed in the mounting seats; guide parts are arranged in the guide grooves; the elevator car is matched with the upright post side surfaces through the guide parts to conduct lifting motion; two guide surfaces matched with the guide part are formed on each upright post; eight guide surfaces are formed on the four upright posts in total. The guide parts and the mounting seats are matched with each other, and the elevator car is guided in all directions to enable the elevator car to move up and down along the upright posts under external driving; an octahedral guiding elevator adopting the structure is an independent elevator product, and is stable and reliable in running, aesthetic in appearance, convenient to mount, and wide in application.

The invention relates to a device including a hinge (3) and a drive system. The hinge can be used for deflectably connecting at least two furniture parts (1, 2) and has at least two location parts respectively fixed on one furniture part. The location parts are articulated so as to pivot relative to each other by way of at least one hinge shaft (S1, S2, S3, S4, S5, S6, S7). The first location part includes a hinge cup (14), while the second location part includes a hinge arm (24). The drive system is used for opening and / or closing the hinge and includes an electric drive designed as a self-contained component, wherein the electric drive comprises an electric motor (18) and an actuating apparatus (8) for transmitting power and / or torque from the electric motor to the hinge, wherein the actuating apparatus comprises a fastening part (9) by which the actuating apparatus can be detachably connected to the hinge, and the fastening part can be locked in grooves (30', 30'') of the hinge.

The invention provides an adjustable precise boring cutter, and belongs to the technical field of boring. The adjustable precise boring cutter is characterized by composing a cutter handle, a cutter rod and a blade; an eccentric hole is formed in the cutter handle, the eccentric distance exists between the axis of the eccentric hole and the axis of the cutter handle, the axis of the eccentric hole is parallel to the axis of the cutter handle, a fastening hole vertically communicated to the eccentric hole is formed in the cutter handle, and a locking bolt is installed in the fastening hole; the cutter rod is installed in the eccentric hole, the locking bolt abuts against the cutter rod, and an installing groove in formed in the end of the cutter rod; and the blade is installed in the installing groove, and a cutter tip of the blade protrudes out of the cutter rod. The adjustable precise boring cutter has the beneficial effects of being convenient to adjust and high in precision.

The invention provides a gravity casting machine of a wheel hub. The gravity casting machine comprises a first bed plate, main driving oil cylinders, stand columns, a second bed plate and a wheel hub mould, wherein the first bed plate and the second bed plate are connected through the stand columns to form a rack; the wheel hub mould comprises a top mould, a lower mould, a left side mould and a right side mould; the lower mould is arranged on the second bed plate; the gravity casting machine further comprises a guide mechanism, a de-molding mechanism, a sealing cover, a sealing cover driving cylinder, a third bed plate and a top mould mounting plate; the upper end of the guide mechanism is connected with free ends of piston rods of the main driving oil cylinder; the lower end of the guide mechanism is connected with the third bed plate; the de-molding mechanism is connected with the third bed plate; and the second bed plate is further provided with a left driving oil cylinder connected with the left side mould and a right driving oil cylinder connected with the right side mould. According to the gravity casting machine of the wheel hub, the top mould can not incline easily, the thickness uniformity of castings is good, the operation is convenient, the labor intensity can be alleviated, the working efficiency is improved, the castings are not easy to damage, the rejection rate can be reduced and the quality of the castings is improved.

The invention relates to a full-automatic shearing type abrasive cloth ripping machine, which comprises a feeding device, a shearing device, a receiving device and a power transmission device that are arranged on a rack. The feeding device comprises a feeding roller swinging device, an upper guide shaft and a lower guide shaft which are arranged on the rack, and the feeding roller swinging device is provided with a feeding roller. The shearing device comprises two side fixed plates which are arranged on the rack, and upper and lower cutter shafts are arranged between the two side fixed plates, and upper and lower separation sleeves and upper and lower blades are arranged outside the upper and lower cutter shafts. Edges of the upper and lower blades abut against each other to form a shearing opening. The receiving device comprises a receiving roller swinging device, a rotary frame and a rear guide shaft which are arranged on the rack. The receiving roller swinging device is provided with a receiving roller. The rotary frame is provided with a separation shaft which is provided with a separation sheet contacted with the receiving roller.

The invention discloses a packaging material conveying and guiding system and method. The system comprises racks and a working table arranged on the racks, wherein a conveying belt which is driven by a motor is arranged on the working table; an air pressure guiding and adjusting mechanism is arranged on the conveying belt and comprises a first guiding belt and a second guiding belt which are arranged on two opposite sides of the conveying belt and are sealed air bag cavities; each air bag cavity is in the shape of a rectangular strip; a diaphragm is arranged in the air bag cavity of each of the first guiding belt and the second guiding belt; each air bag cavity is divided into a first cavity and a second cavity which are sealed independently by the corresponding diaphragm; a plurality of pressure springs which are connected with the corresponding diaphragm are mounted in the first cavity in each of the two guiding belts; and the second cavities in the two guiding belts communicate with each other by an air bag connecting strap. The method comprises the following three steps: material conveying, working path deviation rectifying and the like. The packaging material conveying and guiding system and method aim to solve the problems that a fixed limiting mechanism is used in existing packaging equipment so that a packaging material is easy to damage and guiding of a working path is unstable.