49results about How to "Press fast" patented technology

This invention involves a type of pneumatic non-load quick dual-speed hydraulic jack, of which, the small of piston ring (17) of hydraulic pump cylinder integrates with pump body (19) and external ring of step pump core (14) to form movable assembly; the middle part of step pump core (14) is provided with pump core step interface (8); the step hole on the same axis of pneumatic valve block on special pneumatic valve structure is provided with washer (48), button (49), pneumatic valve core (45), compressed spring (68) and valve core securing seat (46). The available effect of this invention is stated as follows: the pump core interface used for conversion of hydraulic speed is characterized by the excellent process and low cost; the pneumatic valve parts specially provided for the jack can replace the hydraulic quick pump structure partially when the high-pressure air source is available. High-pressure air delivered to the oil reservoir of the external sleeve (4) will press the hydraulic oil into the oil chamber of oil cylinder, and thus facilitate the quick lift of jack piston under light load or empty load.

The invention relates to a hydraulic machine for single-piece fiber cement plate pressing. The hydraulic machine is characterized by comprising a hydraulic machine body and a multi-station conveying device, the hydraulic machine body is arranged in the middle of the multi-station conveying device, the multi-station conveying device comprises a conveyer belt, a driving roller, two tensioning rollers and a high-pressure water cleaning roller, the driving roller, one tensioning roller, the high-pressure water cleaning roller and the other tensioning roller are arranged in sequence to form the cyclic multi-station conveying device, a plate blank conveying machine and a dewatered plate blank conveying machine are arranged on the left side and right side of the hydraulic machine body, and plate blank suckers are arranged above the plate blank conveying machine and the dewatered plate blank conveying machine respectively. The hydraulic machine has the advantages that a plate blank or a pressed dewatered plate blank is directly conveyed to the pressing station or stacking station through the multi-station conveying device extending to the two ends of the hydraulic machine body, and vertical drainage can be achieved quickly during pressing due to the fact that the plate blank is conveyed through the fibrage conveyer belt.

The invention relates to the field of tea processing and particularly relates to a tea brick preparation method. The method comprises: S1, airing fried tea leaves in a shady and cool place, and rolling the tea leaves through hands until water cannot be extruded, and S2, pressing the aired tea leaves through a tea pressing machine along with feeding high-temperature water steam into a pressing chamber, wherein the high-temperature water steam can increase the humidity of the tea leaves, facilitate tea leaf pressing molding and sterilize the tea leaves. Through improvement of the traditional teabrick preparation method, in the tea brick pressing process, the atomized high-temperature water vapor is continuously sprayed to the tea leaves so that the compactness of the tea brick pressing molding is improved, bacteria in the tea leaves are killed, the mildew of the tea bricks is avoided and the preservation time of the tea bricks is prolonged.

The invention discloses an air pressure type artery postoperation hemostat and relates to the technical field of medical care instruments. The hemostat comprises an upper tank and a lower ring, wherein the upper tank is divided into an inner circular cavity A and an outer ring cavity A, and the inner circular cavity A and the outer ring cavity A open downwards; a one-way air inlet valve is mounted on one side of the top face of the inner circular cavity A, and a one-way air release valve is mounted on the top face of the outer ring cavity A; a puller bolt is arranged at the center of the top face of the inner circular cavity A in a threaded connection mode, and the outer side of the puller bolt is sleeved with a telescopic sealing sleeve; the lower end of the upper tank and the upper end of the lower ring are sealed in a loose joint mode; the lower ring is divided into an inner circular cavity B and an outer ring cavity B, the inner circular cavity B and the inner circular cavity A are identical in size and are sealed in a butt joint mode, and the outer ring cavity B and the outer ring cavity A are identical in size and are sealed in a butt joint mode; a cotton pad is arranged in the inner circular cavity B and soaked with etamsylate. The air pressure type artery postoperation hemostat has the advantages that negative pressure of the outer ring cavity A enables the device to be tightly adsorbed to the body of a patient without a bandage, positive pressure of the inner circular cavity A is used for balancing blood pressure to reduce bleeding, operation is easy, and time is saved.

The invention discloses an internal board structure for a printed circuit board, which comprises an internal board and a flowing adhesive scrapping area arranged on the internal board, and is characterized in that: the entire surface of the flowing adhesive scraping area is plated with a copper layer; and both the upper and lower panels of the internal board are laminated with an adhesive piece. In the invention, the surface of the flowing adhesive area of the internal board is modified into an all-copper structure, so in the laminating process, the adverse phenomenon that part of the adhesive which is flowable flows to the areas without copper and generate wrinkles is eliminated; enough adhesive is filled, the laminating is convenient and quick, and the production quality of the internal board is improved.

A fuel injector (1) for the direct injection of fuel into the combustion chamber of an internal combustion engine includes a piezoelectric or magnetostrictive actuator (6) and an hydraulic coupler (2), the coupler (2) having a master piston (3) and a slave piston (8), which are connected to a pressure chamber (14), and the pressure chamber (14) being filled with an hydraulic fluid. The pressure chamber (14) is sealed from an actuator chamber (21) by a first seal (12) and from a valve interior chamber (17) by a second seal (13).

The invention provides a double-upstroke outstroke adjusting mechanism for powder forming machines, which comprises an air-feed guide seat with an air duct, a sealing base, a regulating nut, an outstroke seat, an in-stroke seat and an in-stroke cylinder body, as well as a regulating device fixed on a fixing device, wherein the regulating device consists of a cylinder, the air-feed guide seat, a bottom plate and a guide pole; the cylinder is fixed on the air-feed guide seat and the bottom plate; the bottom plate is fixed on the outstroke seat; and the bottom plate is matched with the guide pole arranged on the air-feed guide seat through a guide sleeve. The prior powder forming machine is not provided with the adjusting mechanism, and due to the arrangement of the mechanism with simple structure and easy manufacture, when a pressed product is demolded, the cylinder supplies air to enable the outstroke seat not to move downwards but follow the bottom plate to move upwards, so as to reduce the stroke of the in-stroke seat, namely the product can be pushed out only though a short distance of movement of the in-stroke seat. The mechanism has the advantages that the mechanism is high in pressing speed, improves work efficiency, reduces cost and equipment investment, can use the prior powder forming machine to process and manufacture the products with high upper steps and complex shapes, and improves processing precision because of the positioning of the guide pole.

The invention relates to a paper pressing device before printing. The paper printing device comprises a machine shell, a first press roll, a second press roll, a third press roll, a fourth press roll, a first connecting rod, a second connecting rod, a first screw rod and a second screw rod. The first press roll, the second press roll, the third press roll and the fourth press roll are all located in the machine shell in a rolling mode through rotating shafts. The first press roll and the second press roll are correspondingly arranged up and down, and the third press roll and the fourth press roll are correspondingly arranged up and down. The first connecting rod connects the rotating shaft of the first press roll and the rotating shaft of the third press roll. The second connecting rod connects the rotating shaft of the second press roll and the rotating shaft of the fourth press roll. According to the paper pressing device before printing, the flatness of pressed paper is guaranteed, and the pressing speed is high, so that the working efficiency is improved.

The invention relates to a fastening means provided for engaging with frictional or positively locking means in a friction or positively locking fashion comprising a protuberance realized as an extrusion, wherein the protuberance projects from a plate expanding along a main plane and having a prime surface facing away from the protuberance and comprises an inner side, wherein the inner side forms a circle having an inside diameter Di in a plane being parallel to the main plane, wherein a first plane being parallel to the main plane includes a circle with the first inside diameter Di' and a second plane being parallel to the main plane includes a circle with the second inside diameter Di'', and wherein the first plane is closer to the prime surface than the second plane, and wherein the first inside diameter Di' is greater than the second inside diameter Di''.

In pneumatic non-load quick dual-speed hydraulic jack, the small of piston ring (17) of hydraulic pump cylinder integrates with pump body (19) and external ring of step pump core (14) to form movable assembly. The middle part of step pump core (14) is provided with pump core step interface (8) used for conversion of hydraulic speed. The step hole on the same axis of pneumatic valve block on special pneumatic valve structure is provided with washer (48), button (49), pneumatic valve core (45), compressed spring (68) and valve core fastness set. The pneumatic valve parts can replace the hydraulic quick pump structure partially when the high-pressure air source is available. High-pressure air delivered to the oil reservoir of the external sleeve (4) presses the hydraulic oil into the oil chamber of oil cylinder, and thus facilitates the quick lift of jack piston under light load or empty load.

The invention relates to a soft-seal valve element of a valve. The soft-seal valve element comprises a connecting tube. The top of the connecting tube is sleeved with a threaded column. A handle is integrally formed at the top of the threaded column. Supports are arranged on the two sides of the connecting tube respectively. A bolt is arranged at one end of each support. The interior of the connecting tube is of a hollow structure. Sliding grooves and threaded grooves are formed in the inner wall of the connecting tube. The threaded grooves are formed above the sliding grooves. A stretchable rod is sleeved with the bottom of the connecting tube. The connecting tube is movably connected with a valve element body through the stretchable rod. According to the soft-seal valve element, as the threaded grooves and the sliding grooves are formed in the inner wall of the connecting tube, the effect of converting rotating pressing into sliding pressing is achieved; as a buffering air bag is arranged, the effect of protecting the stretchable rod and the valve element body is achieved; as an air bag layer is arranged, the effect that the valve element body is pressed to achieve better sealing is achieved; and as an air pressure guide rod and a piston are arranged, the effect of pressing the air bag layer is achieved.

The invention relates to the technical field of spiral blade forming machining, and particularly relates to a composite forming method for a thick spiral blade. The method comprises the following steps that a, blanking is carried out, and a plane body spiral blade blank blanking graph is calculated according to a spiral blade expansion calculation formula; b, a plane body spiral blade blank is heated, and the plane body spiral blade blank is converted into austenite at the high temperature; c, the plane body spiral blade blank is drawn, the first end of the edge of an inner hole notch of the high-temperature plane body spiral blade blank is fixed, the second end of the edge of the inner hole notch of the high-temperature plane body spiral blade blank is drawn through hoisting equipment, the inner spiral line of the spiral blade is stretched to the required size, and the plane body spiral blade blank is initially formed into a spiral blade; and d, the initially-formed spiral blade is placed on a prefabricated spiral mold, and pressure is applied to the prefabricated spiral mold through a press machine to press the prefabricated spiral mold into a standard thick spiral blade. According to the method, the inner diameter and the outer diameter of the formed spiral blade can be guaranteed, the method is suitable for mass production of thick spiral blades, the efficiency is high, andthe forming quality of the spiral blade is stable.

The invention discloses an air pressure type artery postoperation hemostat and relates to the technical field of medical care instruments. The hemostat comprises an upper tank and a lower ring, wherein the upper tank is divided into an inner circular cavity A and an outer ring cavity A, and the inner circular cavity A and the outer ring cavity A open downwards; a one-way air inlet valve is mounted on one side of the top face of the inner circular cavity A, and a one-way air release valve is mounted on the top face of the outer ring cavity A; a puller bolt is arranged at the center of the top face of the inner circular cavity A in a threaded connection mode, and the outer side of the puller bolt is sleeved with a telescopic sealing sleeve; the lower end of the upper tank and the upper end of the lower ring are sealed in a loose joint mode; the lower ring is divided into an inner circular cavity B and an outer ring cavity B, the inner circular cavity B and the inner circular cavity A are identical in size and are sealed in a butt joint mode, and the outer ring cavity B and the outer ring cavity A are identical in size and are sealed in a butt joint mode; a cotton pad is arranged in the inner circular cavity B and soaked with etamsylate. The air pressure type artery postoperation hemostat has the advantages that negative pressure of the outer ring cavity A enables the device to be tightly adsorbed to the body of a patient without a bandage, positive pressure of the inner circular cavity A is used for balancing blood pressure to reduce bleeding, operation is easy, and time is saved.

The invention belongs to the technical field of municipal construction and relates to a multifunctional fixed-point surveying and mapping tool for municipal construction. The tool comprises a circular tube; a measuring host machine is fixed at the top end of the circular tube; a connecting frame is fixed on the outer wall of the upper part of the circular tube; a control machine is fixed on the connecting frame; and two first rotating seats are fixed on the outer wall of the bottom of the circular tube; clamping and supporting mechanisms are rotationally connected to the first rotating seats; each clamping and supporting mechanism comprises a second rotating seat rotationally connected with the corresponding first rotating seat through a shaft pin; a T-shaped rod is rotationally connected to the bottom end of each second rotating seat; bent rods are fixed to the two sides of the bottom end of each T-shaped rod; clamping wheels are rotationally connected between the two bent rods; and a supporting plate is fixed in the bottom end of the circular tube. According to the multifunctional fixed-point surveying and mapping tool for municipal construction, a ground pile placed at the bottom of the circular tube can be clamped by the clamping and supporting mechanisms, so that an operator can hold the circular tube to press the ground pile into the ground, the operation of hammering the ground pile with a hammer is omitted, the quantity of equipment carried by the operator is reduced, and the working efficiency is conveniently improved.

The invention relates to a pressing machine, in particular to a latticed reinforcing rib pressing machine for a paperboard. The invention provides the latticed reinforcing rib pressing machine for the paperboard, which is rapid in pressing. A latticed reinforcing rib pressing machine for paperboards comprises a support, limiting wheels, a protective shell, a moving mechanism, a gluing mechanism and a compacting mechanism. A limiting wheel is rotationally arranged on the lower left side in the support, a protective shell is arranged on the upper side of the support, a moving mechanism is connected between the protective shell and the support, a gluing mechanism is arranged on the moving mechanism, and a compacting mechanism is arranged on the support. The first moving frame makes contact with the ejector block, so that the swing rod rotates reversely, the second moving frame and the rotating shaft move downwards, then the pressing wheel moves downwards to make contact with a reinforcing rib, the automatic pressing effect is achieved, and meanwhile the pressing speed is high.

The invention provides a device for producing a ship superstructure wave-shaped enclosure bulkhead plate. The device comprises an oil press, a wave-shaped pressing upper die, a wave-shaped pressing lower die, a die leaning and blocking tool piece, a combined tool piece and a plurality of roller limiting devices, wherein the wave-shaped pressing lower die is fixed on a working platform of the oil press, the wave-shaped pressing upper die can be arranged right above the wave-shaped pressing lower die in an up-down moving mode, the combined tool piece is fixed to a to-be-pressed steel plate, and the die leaning and blocking tool piece is fixed to the side wall of the side, close to the combined tool piece, of the wave-shaped pressing lower die, and the multiple roller limiting devices are arranged on the left side and the right side outside the oil press working platform and perpendicularly attached to the front side face and the rear side face of the steel plate. According to the device for producing the ship superstructure wave-shaped enclosure bulkhead plate and the method for pressing the wave-shaped enclosure bulkhead plate, wave wall plate splicing is reduced, original single wave-shaped pressing is changed into continuous multi-wave pressing, the pressing speed is greatly increased, segmentation and folding correction are reduced, and the segmentation construction period is prolonged.

The invention discloses an enclosure pile and a construction method. The enclosure pile comprises an open type precast pile, a steel reinforcement cage is arranged on the inner cavity and a portion extending outwards from an open side, and concrete is cast into the steel reinforcement cage. The construction method includes the steps: firstly, drilling in a profile of the precast pile; secondly, pressing the open type precast pile into a hole drilled in the first step; thirdly, drilling on the ground of an open side of the precast pile to form a vertical hole with a small middle and large ends; fourthly, placing down the bundled steel reinforcement cage in the hole formed in the third step and the open type precast pile; fifthly, casting the concrete in the steel reinforcement cage, and finishing construction. The enclosure pile has the advantages that the enclosure pile is large in bearing capacity, high in construction efficiency and reliable in quality, excavation cannot be affected and the like.

The invention discloses a hydraulic energy-storing press machine, and relates to the technical field of press machines. The hydraulic energy-storing press machine comprises a gas-storing tank, an oil box, a hydraulic oil pump, an energy-storing device, a press machine main body and a hydraulic valve assembly. Through different combination of the hydraulic valve assembly, the hydraulic oil pump and the energy-storing device, different working modes of the hydraulic energy-storing press machine are achieved, the different working modes comprises a pressing mode, a constant energy forging mode or a limiting forging mode. According to the hydraulic energy-storing press machine, energy is released by using the energy-storing device, pressure releasing speed is fast, according to the test, the speed of forging of the energy-storing device is several tens of times of the pressing speed of the original hydraulic pump, therefore, under the same pressure condition, energy consumption can be remarkably reduced, and pressing speed can be remarkably improved.

The invention discloses a financial statement trimmer, which relates to the technical field of financial statement finishing tools. The end of the plate close to the top plate is provided with a check mechanism, and the top plate is provided with a push-down assembly. The push-down assembly includes a plurality of push blocks that slide horizontally on the top plate, and are vertically slidably disposed on the top plate and below the corresponding push blocks. The pressure column and the driving mechanism arranged on the top plate are used to drive each push block to press against the corresponding pressure column synchronously, and a compression spring is arranged between the pressure column and the bracket to make the pressure column rise and reset. The application can efficiently organize financial statements through the combined use of the bottom plate, the fixed side plate, the rear baffle, the side push plate and the lower pressing assembly, has a better finishing effect, and can meet the requirements of various paper sizes and more stacks. Thickness of financial statement finishing needs.

The invention discloses an energy-saving four-cylinder indirect thermoforming hydraulic press control system. In the present invention, a plurality of pump direct drive state pressure control units are respectively connected with a plurality of multi-pump confluence control units. It is connected with the process main oil circuit and the return main oil circuit. The process main oil circuit is connected with the upper end of the hydraulic press after passing through the suppression level control unit and the four-column pressing oil cylinder unit. The four-column pressing oil cylinder unit is fixedly connected with the upper end of the hydraulic press. The return main oil circuit After going through the return control unit and the overflow valve parallel control unit in turn, it communicates with the lower end of the hydraulic press. The hydraulic press controlled by the invention has faster mold clamping speed and longer pressure holding time, reduces the heat loss of air cooling, and at the same time ensures that the workpiece has sufficient mold clamping force to offset the sharply increased internal pressure during the mold clamping and quenching stage; realizes pressure and Speed ​​dynamic classification, more precise control of pressing speed and pressure.

The invention provides a conveying roller supporting beam pressing and fixing device applied in the technical field of continuous casting production. The invention also relates to a conveying roller supporting beam pressing and fixing method. The described conveying roller supporting beam pressing and fixing device The pressing part (1) includes pressing down the upper base (4) and pressing down the lower base (5), the fixing part (2) includes fixing the upper assembly (6) and fixing the lower assembly (7), pressing down the upper base (4) It is arranged as a structure capable of being welded with the embedded part (9) on the support beam base (8), and the lower base (5) is set as a structure capable of welding with the support beam body (10). The conveying roller of the present invention The support beam depressing and fixing device and its depressing and fixing method can facilitate the support beam depressing, facilitate the fixing of the support beam body, ensure the reliable arrangement of the support beam, reduce the possibility of easy vibration during use, and increase equipment Stability, reducing safety hazards for maintenance personnel.

The invention relates to a fastener arranged for frictional or positive locking engagement with a frictional or positive locking member, the fastener comprising a protrusion realized as an extrusion, wherein the protrusion Protrudes from a plate that extends along the main plane and has a base surface facing away from the protrusion; and the protrusion includes an inner side, wherein the inner side forms a circle with an inner diameter Di in a plane parallel to the main plane; where parallel A first plane to the main plane includes a circle with a first inner diameter Di', and a second plane parallel to the main plane includes a circle with a second inner diameter Di", and the first plane is closer to the base surface than the second plane, And the first inner diameter Di' is larger than the second inner diameter Di".

The invention discloses a hydraulic energy-storing press machine, and relates to the technical field of press machines. The hydraulic energy-storing press machine comprises a gas-storing tank, an oil box, a hydraulic oil pump, an energy-storing device, a press machine main body and a hydraulic valve assembly. Through different combination of the hydraulic valve assembly, the hydraulic oil pump and the energy-storing device, different working modes of the hydraulic energy-storing press machine are achieved, the different working modes comprises a pressing mode, a constant energy forging mode or a limiting forging mode. According to the hydraulic energy-storing press machine, energy is released by using the energy-storing device, pressure releasing speed is fast, according to the test, the speed of forging of the energy-storing device is several tens of times of the pressing speed of the original hydraulic pump, therefore, under the same pressure condition, energy consumption can be remarkably reduced, and pressing speed can be remarkably improved.