52results about How to "Guaranteed normal flip" patented technology

The invention discloses a head-mounted display. The head-mounted display comprises a head-mounted part, a display part, a headset part, earcaps, ear shells and ear shell supports. The head-mounted display is characterized in that the inner side centers of the two ear shells are each provided with a transverse short shaft, the ends of two supporting legs of the display part are each provided with an annular shaft sleeve, the inner diameter parts of the annular shaft sleeves are in sliding fit with the outer diameter parts of the transverse short shafts, the annular shaft sleeves are movably arranged on the transverse short shafts in a sleeving mode, a circular groove is formed in the center of each earcap, and the diameter of the circular grooves is slightly larger than the diameter of the transverse short shafts. In this way, a rotating shaft of the display part is mounted in the ear shells on the outer side of the head-mounted part, the rotating process cannot be seen from the outside, the head-mounted display is simpler and more attractive, the head-mounted display can be fixed on the head of a person more stably, due to the fact that the rotating part does not make direct contact with a human body, the display part cannot scrape the skin of the face of the human body and cannot clamp hair in the overturning process, and therefore the using comfort is improved.

The invention relates to a roller dryer and belongs to the field of hot air drying machinery. The roller dryer comprises a lower hopper, a conveyor (3), an upper box (14), a lower box (8), a roller (15), a discharging end fan cover (13) and a main motor (19). A sealing element (7) is adopted for sealing between the upper box (14) and the roller (15), a sealing element (7) is also adopted for sealing between the lower box (8) and the roller (15), a sealing element (7) is also adopted for sealing between the discharging end fan cover (13) and the roller (15), a 2# air outlet pipe (41) is arranged on the upper side of the discharging end fan cover (13), and the lower side of the discharging end fan cover (13) is provided with a discharging port (42). According to the technical scheme, axial air ports at two ends of the roller are sealed, and drying of materials in the roller is achieved mainly by utilizing hot air to heat the roller.

The invention discloses calcium carbonate powder drying equipment. The calcium carbonate powder drying equipment comprises an outer shell, a feeding unit, and a heating device for providing heat; theouter shell is provided with a feed port, a discharge port and an exhaust port; the feeding unit is formed by joining multiple feeding modules end to end; each feeding module comprises a traction roller, and a conveying belt arranged on the traction roller; the head end of the first feeding module is positioned under the feed port; the tail end of the final feeding module is positioned above the discharge port; and a loosening device and a shaking device are arranged in the outer shell. The calcium carbonate powder drying equipment can effectively prevent agglomeration of calcium carbonate during drying, can effectively improves the product quality, and meanwhile, achieves a better drying effect.

The invention discloses a painting system for a plate, and relates to the technical field of plate painting. The painting system comprises a spraying channel as well as a first spraying device, a turnover device and a second spraying device which are sequentially arranged inwards from one end of the spraying channel, wherein the first spraying device is used for spraying the surface of one side ofthe plate and conveying the plate; the turnover device comprises a rack, a rotary shaft rotatably arranged on the rack, a plurality of groups of bearing assemblies which are uniformly distributed inthe peripheral direction of the side surface of the rotary shaft, and a servo motor which is arranged on the rack for driving the rotary shaft to rotate; and the second spraying device is used for spraying the surface of the other side of the turned-over plate and conveying the plate. The painting system can save manpower and material resources, and effectively improves spraying efficiency of theplate.

The invention discloses an automatic iron core turnover device which comprises a rack, an adsorption unit, a turntable unit, a receiving unit, a clamping unit, a feeding unit and a control unit for controlling start and stop of each unit. The adsorption unit, the turntable unit, the receiving unit, the clamping unit and the feeding unit are connected to the rack. The receiving unit is used for receiving an iron core unit conveyed from an upstream conveying device, the adsorption unit is used for supplying and taking away a wood padding block on top surface of the iron core unit. The turntable unit is used for 180-degree turnover of the rack between an original position and a turnover position. The feeding unit is used for conveying the turned-over iron core unit to a downstream device. The invention further discloses a turnover method of the automatic iron core turnover device. The automatic iron core turnover device has the advantages that the device saves labor, is safe and reliable in performance and improves the working efficiency.

The embodiment of the invention relates to the technical field of electronic circuits, and discloses a waveform shaping circuit and electronic equipment. The waveform shaping circuit comprises: an amplitude detection unit and a comparator, wherein the waveform input end is connected with the first input end of the comparator; one end of the amplitude detection unit is connected with the waveform input end, and the other end of the amplitude detection unit is connected with the second input end of the comparator; an amplitude detection unit which is used for receiving the input voltage of the waveform input end and generating a reference voltage in direct proportion to the amplitude of the input voltage; and a comparator which is used for receiving the reference voltage and the input voltage of the waveform input end, comparing the input voltage with the reference voltage and outputting a level signal after waveform shaping. The embodiment of the invention further provides electronic equipment. Not only can waveform shaping be performed on a signal through a simple circuit structure, but also the problem of application limitation of a waveform shaping circuit in the prior art can besolved.

The invention provides a helmet and a protection device, and belongs to the technical field of traffic driving products. The helmet comprises a helmet body, a helmet mirror, a rain scraper mechanism, a control mechanism and a sensation mechanism, wherein the helmet mirror is mounted at a side opening of the helmet body and is in sliding connection with the helmet body; the control mechanism is mounted on the helmet body; the sliding distance of the helmet mirror on the helmet body can be limited by the control mechanism; the rain scraper mechanism comprises a rain scraper, a connecting component and a driving mechanism; the connecting component is mounted on the outer side of the helmet mirror; a connecting hole is formed in the helmet mirror; the driving mechanism is mounted at a side end of the helmet body; one end of the rain scraper is connected with one end of the driving mechanism through the connecting hole; the driving mechanism is capable of driving the rain scraper to move or stop; the sensation mechanism is mounted above the opening; the sensation mechanism is electrically connected with the rain scraper mechanism; the sensation mechanism is used for controlling the rain scraper mechanism to be powered on or powered off. By adopting the protection device with the helmet, the problem that drivers have trouble in driving in rainy days can be greatly solved.

The invention relates to an overturning liquid-pouring device for honing machine reaming. The overturning liquid-pouring device for honing machine reaming comprises a supporting frame, a cylinder body clamping mechanism, an overturning mechanism and a driving mechanism, wherein the cylinder body clamping mechanism is arranged on the supporting frame, the overturning mechanism is used for conducting treatment on honing liquid in a cylinder body, and the driving mechanism is used for driving the overturning mechanism; the overturning mechanism is arranged on the supporting frame, and drives the cylinder body to overturn under driving of the driving mechanism; the overturning mechanism comprises a spacer bush, swivel plates are arranged on the two sides of the spacer bush correspondingly, the two swivel plates rotate simultaneously, and workpieces are arranged on the swivel plates and rotate along with the swivel plates; and the cylinder body clamping mechanism is arranged on the swivel plates, and clamps the cylinder body in the vertical direction. According to the overturning liquid-pouring device for honing machine reaming, the overturning liquid-pouring device is applied to a reaming and honing production line of the engine cylinder body, after a specific machining hole of the engine cylinder body is machined, through controlling of a numerical control system, an overturning liquid-pouring working procedure conducts treatment on the honing liquid remaining in the engine cylinder body automatically, the honing liquid is collected, the cost is saved, and the cleanness of a machined piece and a working site is ensured.

The invention belongs to the field of polishing equipment and discloses a small hole polishing method and device. Particularly, the small hole polishing device is provided with a feeding device, a front polishing device, a turnover device, a rear polishing device and a base and is used for polishing small hole parts. The small hole polishing device is composed of the feeding device, the front polishing device, the turnover device, the rear polishing device and the base; the front polishing device is arranged in front of the feeding device; the turnover device is arranged in front of the frontpolishing device; the rear polishing device is arranged in front of the turnover device; the base is arranged below the front polishing device, the turnover device and the rear polishing device; and the structure of the front polishing device and the structure of the rear polishing device are the same completely. The device can achieve automatic feeding and assembly lint type polishing of the small hole parts. The device is free of manual participation and high in efficiency.

The invention discloses an iron product efficient rust removing device used for hardware manufacturing and a use method of the iron product efficient rust removing device. The rust removing device comprises a supporting bottom plate, and a shell is fixedly installed on the upper surface of the supporting bottom plate in a welded manner. A moving bracket is movably installed on the supporting bottom plate in the horizontal direction, and an output shaft end of a rust removing motor is connected with a rust removing roller. A first lifting air cylinder is fixedly installed on the upper surface of the supporting bottom plate, and the top end of an output rod of the first lifting air cylinder is fixedly provided with a centering air cylinder. A centering plate is fixedly installed at the end portion of an output rod of the centering air cylinder. One end of a connecting rod is fixedly connected with one end of a sliding rod, one end of the sliding rod is fixedly connected with a supportingshort plate, and two opposite clamping assemblies are fixedly installed on the opposite faces of an overturning installation plate. By means of the rust removing device, manual carrying of iron product plates is not needed, the labor intensity is greatly lowered, face overturning rust removing can be conducted on the iron product plates, the work efficiency is high, design is reasonable, and therust removing effect is ensured.

The invention discloses a gasket belt turn-over mechanism, and belongs to the technical field of gasket detection. The gasket belt turn-over mechanism is used for wrapping the end head of a belt conveyor, the wrapping surface of a turn-over belt in the belt turn-over mechanism is of a V-shaped structure, and the upper end and the lower end of the V-shaped structure extend out of the tangent point of a conveying belt and a belt conveying roller, so that the attaching length of the turn-over belt at the feeding end of the belt turn-over mechanism and the conveying belt is increased, then gaskets can be clamped in advance, the gasket conveying distance is reduced, and the continuous feeding efficiency is guaranteed; meanwhile, the attaching length of the belt turn-over belt at the discharging end of the belt turn-over mechanism and the conveying belt is reduced, the gaskets are released in advance, at the moment, the lower end of the belt turn-over mechanism is fixedly connected with a discharging sliding way for bearing discharged materials of the belt turn-over mechanism, the discharging sliding way is attached to the lower end of the V-shaped structure, the gaskets released in advance enter the discharging sliding way and freely slide, and therefore the discharging speed is greatly increased, and the gasket turn-over detection efficiency is effectively improved under the double acceleration of feeding and discharging.

A barbecue stick sleeve handle relates to the technical field of barbecue appliances and comprises a stick sleeve used for holding a barbecue stick, and a handle used for mounting or clamping; the stick sleeve adopts a hollow structure and is corresponding to a barbecue stick in shape; and the handle and the stick sleeve are connected together. The barbecue stick sleeve handle can protect a bamboo stick from being broken due to roasting during barbecue, can prevent a person that barbecues meat from inhaling harmful smoke or other harmful substances to protect the health of the person, and allows a plurality of food strings to be turned over simultaneously so as to improve the efficiency.

The invention discloses a rear cover airtightness detection device for automobile electronic water pump production, and belongs to the technical field of automobile electronic water pump rear cover airtightness detection. The rear cover airtightness detection device for automobile electronic water pump production comprises a rotating frame, a rectangular airtightness detection shell is fixed to the rotating frame, an automobile electronic water pump rear cover detection assembly is connected with a long rod in a sliding mode, an inflation mechanism is connected with the bottom end of the automobile electronic water pump rear cover detection assembly, the left end of the automobile electronic water pump rear cover detection assembly is connected with a pneumatic telescopic mechanism, the pneumatic telescopic mechanism is connected with a shell upper cover sealing structure, and pull ring pre-tightening mechanisms are arranged on the two sides of the shell upper cover sealing structure. According to the invention, the airtightness under each pressure effect can be conveniently detected, the detection effect is good, the function of adjusting parameters is realized, the airtightness or water tightness detection can be carried out on two surfaces of a test piece at the same time through positive and negative pressure testing, and the capability of exploring the hidden injury defect is strong.

The invention discloses a nitrogen pre-filling device of an air current distributing machine, and belongs to a medical nitrogen filling device. The nitrogen pre-filling device comprises a guard rail and a rail block which is driven by a transmission mechanism to slide along the guard rail and used for fixing penicillin bottles. A bottle feeding mechanism used for transferring the penicillin bottles onto the rail block, an overturning mechanism used for overturning and restoring the rail block, and a nitrogen filling mechanism used for filling the overturned penicillin bottles with nitrogen aresequentially arranged in the motion direction of the rail block. Air in the bottles is completely exhausted, the oxidation rate of medicines is effectively lowered, the medicine quality stability isimproved, nitrogen consumption is reduced, and the cost is lowered.

The invention provides a material station for belt material processing. According to the material station, a material warehouse is designed to be used for the vertical stacking of belt material trays;a grabbing and lifting device is designed to grab the belt material trays in the material warehouse and convey the belt material trays to a material supply station; a station changing and unwinding mechanism in a straight path is designed to convey one of the belt material trays at the material supply station to an unwinding station and perform the unwinding operation; a traction device is designed to pull the belt head of a new belt material tray and a double-sided adhesive sheet to an overlapping station; an overlapping device is designed to achieve the splicing of new and old belt materials; and consequently, the automatic replacement of the belt material trays during belt material production, the automatic pulling of the belt head and the double-sided adhesive sheet, as well as the automatic splicing of the new and old belt materials can be achieved, no manual operation is needed, the production efficiency can be effectively improved, and the production cost can be reduced.

The invention discloses a furnace-door-type thermal insulation composite covering method and device for an aluminum electrolysis cell. According to the method, two or more integrally-formed thermal insulation composite covering devices are arranged between the inner side of an entire circle of cell shell of the aluminum electrolysis cell and the outer side of an anode set and located above an electrolyte liquid level and a side furnace ledge and below a cell shield plate, each single thermal insulation composite covering device can be opened and closed independently, and accordingly the furnace-door-type thermal insulation covering complete device which is covered thoroughly along the entire circle of the cell shell can be formed. A traditional side covering mode using electrolyte aluminum oxide mixed powder for edge closing is replaced, and meanwhile the thermal insulation, gas collection and anti-oxidation functions of an existing powdery covering material are integrated. By means of the furnace-door-type thermal insulation composite covering method and device, a traditional scattered electrolyte aluminum oxide mixed powder shaping thermal insulation covering device can be replaced, and the thermal insulation and sealing properties are good. Meanwhile, the thermal insulation composite covering device has good shaping performance and abrasion resistance.

The invention provides a novel plasticator capable of automatically overturning rubber. The novel plasticator is characterized in that an electric control box is connected to the front end face of a support frame in a penetrating manner; a cabinet door is connected to the inner surface of the electric control box through a hinge; a transmission box is connected to the upper end face of the supportframe; a roller is connected to the middle of the transmission box; an overturning device is connected to the position, on the upper end face of the transmission box, of the outer surface of the roller; and a brake rod is connected to the position, on the upper end face of the transmission box, of the rear part of the overturning device. According to the novel plasticator, the overturning deviceconsisting of a horizontal motor, the limiting rod, an overturning ring, a transmission rod, a rotating screw and a lifting device is arranged, the lifting device can be adopted for well driving the horizontal motor to move up and down, and the horizontal motor can well drive the transmission rod to move left and right through the rotating screw, so that the overturning ring can well move up and down as well as left and right, overturning of materials on the surface of the roller is guaranteed, the materials can be extruded together, and the mixing effect is guaranteed to meet the requirement.

The invention discloses a novel machining, positioning and overturning device for hydraulic accessories, and relates to the technical field of accessory machining devices. The novel machining, positioning and overturning device comprises an annular positioning plate, and clamping plates are arranged on the front side, the rear side, the left side and the right side of the upper surface of the annular positioning plate. By arranging the annular positioning plate and arranging clamping plates, round holes, supporting rods, supporting blocks, first springs and clamping seats on the front side, the rear side, the left side and the right side of the annular positioning plate, when an electric push rod retracts, the moving end of the electric push rod can pull four first connecting steel wire ropes to move downwards; the top ends of the four first connecting steel wire ropes pull the opposite ends of the four clamping plates to move downwards, at the moment, the hydraulic accessories placed on the clamping seats can be firmly clamped in the arc-shaped grooves in the clamping plates and the clamping seats, then the clamped and fixed hydraulic accessories can be machined, the multiple hydraulic accessories can be clamped and fixed at a time, clamping and positioning of a large number of hydraulic accessories can be met, and the production efficiency of the hydraulic accessories can be effectively improved.

The invention discloses a hydraulic system for controlling a turnover lifting appliance, a turnover lifting appliance assembly and a crane, the hydraulic system for controlling the turnover lifting appliance comprises an oil inlet pipeline, a first hydraulic motor pipeline, a second hydraulic motor pipeline, a first middle pipeline, a second middle pipeline and an oil return pipeline; the oil outlet end of the oil inlet pipeline, the first end of the first hydraulic motor pipeline, the second end of the first hydraulic motor pipeline and the oil inlet end of the oil return pipeline are connected through a first electromagnetic valve, and the first end of the first middle pipeline communicates with the first end of the first hydraulic motor pipeline. The second end of the first middle pipeline is communicated with the second end of the second hydraulic motor pipeline, the first end of the second middle pipeline is communicated with the second end of the first hydraulic motor pipeline, and the second end of the second middle pipeline is communicated with the first end of the second hydraulic motor pipeline. And the on-off of the first middle pipeline and the on-off of the second middle pipeline are controlled by a second electromagnetic valve.

The invention relates to a miniature harvester. The harvester comprises driving wheels, the driving wheels are connected with front wheels through connection shafts, the driving wheels and the front wheels are installed at the bottom of a machine frame, a harvesting cutter device is installed on the head portion of the machine frame and connected with a cutting device, and a conveying belt device is connected with the rear portion of the harvesting cutter device. A position-switching plate is installed at the tail end of the top of the conveying belt device, a lateral pressing plate device is arranged behind the position-switching plate, a sliding-down channel is connected with the tail end of the lateral pressing plate device, a main motor and a hydraulic pump are installed on the tail portion of the machine frame, the main motor and the hydraulic pump are connected to provide a hydraulic power source, a storage battery and a hydraulic oil tank are also installed on the tail portion of the machine frame, a control panel is fixedly installed on the side face of the tail portion of the machine frame, and a steering wheel is installed on the control panel. The harvester can automatically achieve crop harvesting, transporting, packaging and discharging, improves work efficiency and reduces workloads.

The invention provides a steel containment vessel end sealing plate turnover device and an operation method. The steel containment vessel end sealing plate turnover device comprises a concave-side storage support and a convex-side storage support which are arranged in parallel; a first turnover support and a second turnover support are fixedly arranged in the middle of the two supports; turnover fixtures are hinged onto the first turnover support and the second turnover support; each turnover fixture comprises a convex-side fixture and a concave-side fixture; two ends of the convex-side fixtures and the concave-side fixtures are fixedly connected through first connecting plates and second connecting plates; and the second connecting plates are hinged to the top parts of the turnover supports. According to the steel containment vessel end sealing plate turnover device, steel containment vessel end sealing plate turnover operation can be accomplished by a single lifting machine, a turnover procedure is simple, the deformation of an end sealing plate can be effectively reduced during the turnover process, and a safety factor is high.

The invention discloses a high-efficiency derusting device for iron products used in hardware manufacturing and a method for using the derusting device. The derusting device includes a support base plate. A shell is fixedly installed on the upper surface of the support base plate through welding, and the support base plate moves along the horizontal direction. A mobile bracket is installed, the output shaft end of the derusting motor is connected with the derusting roller, and the upper surface of the support base plate is fixedly equipped with a lifting cylinder one, and the top of the output rod of the lifting cylinder one is fixedly equipped with a centering cylinder. The end of the output rod of the middle cylinder is fixedly installed with a centering plate, one end of the connecting rod is fixedly connected with one end of the slide bar, and one end of the slide bar is fixedly connected with a supporting short plate, and two Clamp assembly; the derusting device does not need to manually carry the iron product plate, which greatly reduces the labor intensity. It can turn over the iron product plate to remove rust. The work efficiency is high and the design is reasonable, which ensures the derusting effect.

The invention relates to the technical field of tea machinery, in particular to a tea carding machine. The tea carding machine comprises a machine frame and a carding machine; the machine frame is connected with an electric telescopic rod; the electric telescopic rod is connected with a connecting plate; the connecting plate is provided with a connecting through hole; the connecting plate is in pin connection with a connecting rod; the connecting rod is provided with a plug pin connecting hole; the carding machine is provided with a carding groove; and the machine frame is provided with a driving motor and a controller. The driving motor enables electric spiral rods in the electric telescopic rod I and the electric telescopic rod II to compress or retract the telescopic inner rod so as tochange the angel of the carding machine to perform carding; the controller can control the stretch-out and draw-back time of the electric telescopic rod I and the electric telescopic rod II to alternate and enables the carding machine to change the angle in a reciprocating way to perform carding; and the carding groove is designed into a semi-circular shape with an upward opening, so that the teacarding machine can guarantee that tea is not spilled in the carding process of the carding machine, can guarantee that the tea is turned over completely, and is simple in structure, convenient to useand low in manufacturing cost.

The invention discloses a control clamp used on an automobile. The control clamp comprises a control valve (1). The upper end of the control valve (1) is connected with an air service unit (7), and the lower end of the control valve (1) is connected with a pneumatic motor (3). The pneumatic motor (3) is connected with a gear transmission case (2), and the other end of the gear transmission case (2) is connected with a transmission shaft (4). The gear transmission case (2) is arranged inside a gear transmission case shell (9). The gear transmission case shell (9) is installed on a clamp body support (8). The other end of the transmission shaft (4) is connected to a clamp body (12). Clamp pressing parts (6) are arranged at the upper end of the clamp body (12). Air cylinders (11) are arrangedat the lower end of the clamp body (12) and are further connected with the clamp pressing parts (6) in a ventilation mode. The air cylinders (11) are connected with an air course pipeline rack (10).The control clamp used on the automobile has the characteristics that the structure is simple, practical and convenient, the overturning effect is good, and the control clamp can be used by most people conveniently.

The invention provides a pulling rope tensioning device of hollow glass with a built-in shutter, and belongs to the technical field of hollow glass products. The pulling rope tightening device of hollow glass with the built-in shutter comprises a spring rod seat, a spring rod, a tensioning spring, a pulling rope sliding wheel seat and a pulling rope sliding wheel. The upper end of the spring rod seat is folded horizontally with a spring rod folding plate, wherein a spring rod hole is formed in the spring rod folding plate. The spring rod is inserted in the spring rod hole, the upper end ofthe spring rod is composed of a spring rod connecting head, the spring rod connecting head is located above the spring rod seat folding plate, and a spring supporting seat is arranged at the lower endof the spring rod. The spring rod is sleeved with the tensioning spring, wherein the upper end of the tensioning spring supports the lower side of the spring rod seat folding plate and the lower endof the tensioning spring is supports the spring supporting seat. The upper portion of the pulling rope sliding wheel seat is composed of a pulling rope sliding wheel cavity, the lower portion of the pulling rope is extended with a pair of hinged seats, and the hinged seats is connected with the spring rod connecting head in a hinged mode through a pin shaft of the hinged seat. The pulling rope sliding wheel is rotationally arranged in the pulling rope sliding wheel cavity through an oil tanker pin shaft. The turning of a curtain and the lifting effect of a shutter is guaranteed.

The invention relates to the technical field of gas compressor part machining equipment, in particular to a self-locking machining device for a gas compressor rotor blade locking block. The gas compressor rotor blade locking block can be fixed in a blade locking block clamp, an extrusion space is reserved, a threaded part of the locking block is plastically deformed through an extrusion rod assembly, therefore, the specified self-locking torque requirement is met, and a self-locking function is achieved. In addition, the unique blade locking block clamp is adopted, after clamping and positioning assemblies and cushion blocks of different specifications are manufactured, the clamping requirement for locking blocks can be met by installing the different clamping and positioning assemblies and the cushion blocks according to the locking blocks of different sizes and specifications, and the technical problem that self-locking machining devices of different specifications need to be manufactured in a targeted mode according to the locking blocks of different sizes and specifications is solved.

The invention discloses a rolling tile used for adhesion of an oil channel stay. The rolling tile used for adhesion of the oil channel stay comprises a rolling wheel and a rolling tile body. The rolling wheel can rotate around a center shaft. The outer side face of the rolling wheel is provided with rolling wheel grooves used for holding the oil channel stays at intervals. The rolling tile body comprises a tile body and an overturning device. The tile body is an arc plate. The inner side of the tile body is provided with the overturning device used for overturning the oil channel stays. The bottom end of the overturning device is fixed to the inner side of the tile body. The distance between the surface of the inner side of the tile body and the center shaft of the rolling wheel is gradually reduced from top to bottom, and therefore the distance between the top end of the overturning device and the outer side face of the rolling wheel is gradually reduced from top to bottom. Accordingto the rolling tile used for adhesion of the oil channel stay, the distance between the tile body and the center axis of the rolling wheel is gradually reduced from top to bottom, so that it is guaranteed that the top end of the overturning device can achieve overturning of a part of the oil channel stays, and it is also ensured that the oil channel stays which do not need overturning or are overturned later reach diamond dotted paper in the right posture, and mechanization of adhesion of the oil channel stays is achieved.