54results about How to "Accurate and stable installation" patented technology

The invention discloses a generating method for a digital tooth implantation planning aided component. The generating method is mainly as follows: the shape inside an disease oral cavity is copied and made into an oral cavity model, then the oral cavity model is scanned three-dimensionally to acquire a digital model of the oral cavity model, a digital model of the disease oral cavity, and a digital model of a hypodontia teeth model, and the digital model of the oral cavity model, the digital model of the disease oral cavity, and the digital model of the hypodontia teeth model are defined as a positioning object, a reference object and an adjoint positioning object respectively; then the positioning object and the adjoint positioning object are combined and a characteristic point is taken out, and the positioning object and the reference object are positioned by the characteristic point; and positioning data after the positioning of the adjoint positioning object and the adjoint positioning object are output together, and the output is the digital tooth implantation planning aided component.

The invention relates to the technical field of drilling vibrating screen equipment, in particular to a device for compressing a screen mesh pneumatically. The device comprises a screen box and a screen mesh, and is characterized in that the screen mesh is movably arranged on the screen box; mounting grooves are formed in the two sides of the screen box; a sealing airbag is arranged between each mounting groove and the screen mesh; each sealing airbag is connected with an air source through an air delivery pipe; a control unit is arranged on the pipeline of the air delivery pipe. The air provided by the air source is introduced into the sealing airbags through the control unit, so that the sealing airbags are expanded to compress the screen mesh on the screen box; the screen mesh is compressed by the sealing airbags, and meanwhile, high sealing performance is guaranteed; the effective using area of the vibrating screen is improved; in addition, the screen mesh can be limited effectively in an inclined contact surface mode of the screen mesh and the screen box; the effects of compressing and positioning the screen mesh are achieved; according to the device, the screen mesh can be mounted or detached conveniently and quickly by only operating a switch; the device is easy to operate and convenient to assemble and disassemble; the work efficiency of the vibrating screen is effectively improved.

The invention relates to a hinge type deformation shrinkage self-resetting unilateral bolt fastener and a mounting tool. The unilateral bolt fastener penetrates through a connecting piece installationhole from one side of a connecting piece, so that fastening connection operation is completed. The unilateral bolt fastener comprises a round-head bolt, a split type gasket, a sleeve, a washer and anut, wherein the split type gasket, the sleeve, the washer and the nut sequentially sleeve the round-head bolt in the axial direction of the round-head bolt; the split type gasket comprises first gasket single bodies, second gasket single bodies and a rubber ring, wherein the first gasket single bodies and the second gasket single bodies are connected end to end to form a ring-shaped structure, and the rubber ring surrounds the outer edge of the ring-shaped structure; the first gasket single bodies and the second gasket single bodies are sequentially arranged alternately in a circumferential direction; the outer periphery of each first gasket single body is connected with the outer periphery of one end of one adjacent second gasket single body through a first hinge, and the inner peripheryof the other end of each first gasket single body is connected with the inner periphery of one end of another adjacent second gasket single body through a second hinge,. Compared with the prior art,the hinge type deformation shrinkage self-resetting unilateral bolt fastener has the advantages of rapidness in installation, detachability and the like.

The invention discloses a positioning assembling device for a barrel handle and a container barrel and belongs to the field of automatic equipment. The positioning assembling device for the barrel handle and the container barrel comprise a container barrel positioning device and a barrel handle grabbing assembling device, the container barrel positioning device comprises a mounting hole positioning mechanism and a mounting hole supporting mechanism located at a positioned mounting hole, and the mounting hole supporting mechanism is provided with a supporting block capable of supporting the mounting hole and a supporting block driving mechanism connected with the supporting block; and the barrel handle grabbing assembling device comprises a clawfinger mechanism capable of grabbing the barrel handle and conducting mounting and a clawfinger moving mechanism for driving the clawfinger mechanism to grab the barrel handle and conveying the barrel handle to the container barrel positioning device. According to the positioning assembling device for the barrel handle and the container barrel, the container barrel positioning device is utilized for positioning and fixing the mounting hole, the supporting block is utilized to support the mounting hole, it is ensured that the barrel handle can be accurately and stably mounted on the container barrel, the problem that the mounting of the barrel handle is not in place due to barrel handle mounting hole deformation is effectively solved, and the mounting success rate of the barrel handle is greatly increased.

This invention disclose an installing clamp for upper magnets on a hard disk including an installing platform for fixing hard disks and an upper magnet clamping unit, in which, said upper magnet clamping unit includes a slideway and a hold stand for clamping the upper magnet horizontally, said slideway is vertically fixed on said installing platform and said holding stand is connected with the slideway amd moves up and down along the slideway.

Disclosed is a combined type household gun cabinet. A gun cabinet body is formed movably connecting six metal plates, L-shaped inner flanging edges are arranged on four edges of an upper metal plate and a lower metal plate and two lateral sides of a left metal and a right metal plate, U-shaped inner flanging edges are arranged on four edges of a front metal plate and a rear metal plate and upper edges and lower edges of the left metal plate and the right metal plate, large mounting holes are formed in the L-shaped inner flanging edges, small mounting holes are formed in the U-shaped inner flanging edges, the large mounting holes and the small mounting holes are connected via reducing bolts, two ends of each reducing bolt are connected with a large nut and a small nut respectively in threaded manners, the large nuts are hand-screwed nuts, a fire-proof layer and a boron-carbide bulletproof ceramic layer are mounted inside the gun cabinet body, an automatic fire extinguishing device is mounted at the top inside the gun cabinet body, the gun cabinet is combined and can be separated conveniently by disassembling the bolts and the hand-screwed nuts, the metal plates after disassembling are not connected, so that light weight and convenience in transportation are achieved, small size is achieved after the metal plates are stacked, transportation cost can be reduced, flames can be resisted by the fire-proof layer, chips of exploded ammunition can be intercepted by the boron-carbide bulletproof ceramic layer, and fire can be extinguished immediately by the automatic fire extinguishing device.

The invention relates to an aluminum alloy large-model hoisting construction process which comprises the following steps: determining positions of transverse and vertical axes, mounting a rear steel plate according to the positions of the transverse and vertical axes, determining and mounting transverse and vertical steel keels at left and right positions and in and out positions of keels, reliably connecting the keels and the rear steel plate and performing full-length welding, cutting aluminum alloy square tubes to enable the aluminum alloy square tubes to have 45-degree splicing angles, and then an aluminum alloy large-model finished product is assembled, the aluminum alloy large-model finished product is hoisted to the installation position and fixedly installed with the keel, and a mold opening decorative cover is adopted to hide a fixing point. By means of the construction technology, the installed aluminum alloy large model has the advantages of being large in span, long in overhanging distance, high in precision and clean and tidy in overall visual sense of the outer curtain wall.

The invention discloses a panel structure of a wall-mounted air conditioner, which comprises a panel rack and an aluminium alloy panel matched with the former in shape and size, wherein a folded edge is arranged at the periphery of the aluminium alloy panel to form a panel rack accommodating position; a plurality of buckles are arranged on the folded edge of the aluminium alloy panel, and gaps corresponding to the buckles are formed in the periphery of the panel rack; the panel rack is fixed in the panel rack accommodating position through matching between the gaps and the buckles; a display window hole is formed in the aluminium alloy panel; and a transparent display window corresponding to the display window hole is mounted on the panel rack. According to the invention, with the aluminium alloy plate subjected to anodic oxidation and wire drawing processing, the panel structure with folded edge formed through die punch forming, and the especially designed buckles and gaps, the aluminium alloy panel can be accurately and steadily mounted on the panel rack, so as to realize weatherability, fire resistance and electromagnetic interference resistance of the panel.

The invention discloses a shaft tube end clamping mounting mechanism, belonging to the field of mounting auxiliary mechanical equipment. The lower side of an adjustment rotation shaft is horizontallyand rotatably arranged on a rotating base. A lower translation bracket is horizontally fixed on an upper side of the adjustment rotation shaft, and an upper translation bracket is vertically fixedly disposed on an upper side of a translation base. A lifting bracket is slidably disposed on an upper translation guide rod along the horizontal direction, and a lifting guide plate is slidably disposedon a lifting guide rod in the vertical direction. A tube clamping mechanism is horizontally disposed on one side of the lifting guide plate, the upper side of the adjustment rotation shaft is horizontally and fixedly provided with a rotating bevel gear. The upper side of a limiting rotation plate is fixedly provided with a limiting rack matched with a limiting gear, and a tension spring is disposed between the middle of the limiting rotation plate and a fixed base. Structural design of the shaft tube end clamping mounting mechanism is reasonable, the ends of shaft tubes of various sizes and specifications can be firmly clamped and fixed, and the shaft tubes can be smoothly adjusted and translated according to the needs, so that the shaft tube can be accurately mounted to meet the needs ofmounting and use.

The invention relates to a modularized transverse moving device. The modularized transverse moving device comprises two frame bodies symmetrically connected to the front end of a machine frame; sliding blocks are arranged in the two frame bodies; slideways are arranged on the upper end surfaces and the lower end surfaces of the sliding blocks, and the slideways on the upper end surfaces and the lower end surfaces of the slide blocks make contact with the upper end surfaces and the lower end surfaces of the frame bodies respectively; through holes I are formed in the middle of the sliding blocks and are parallel to the slideways; screw boxes are arranged on the two frame bodies respectively; screws on the screw boxes penetrate through the through holes I; nuts are arranged on the outer sides of the screws in a sleeving mode and are fixed in the through holes I; sliding grooves are further formed in the sliding blocks and are perpendicular to the slideways; the through holes I penetrate through the sliding grooves; locking pins are arranged in the sliding grooves; locking oil cylinders are connected outside the sliding grooves; one ends of the locking pins are connected to piston rods of the locking oil cylinders; through holes II are formed in the locking pins, and the through holes I communicate with the through holes II all the time; positioning blocks are further arranged on the sides, opposite to the locking oil cylinders, of the sliding blocks; two speed reducers are arranged at the outer ends of the two screws respectively and are connected through a coupler; and a hydraulic motor is connected to one of the speed reducers.

The invention relates to a lock stitch metal roof board system comprising a roof board, a modulus ruler and a connecting support fixedly connecting the roof board on the modulus ruler; the roof boardcomprises a plane base plate, and a male rib plate and a female rib plate arranged on two ends of the plane base plate; a slide hook is arranged between two metal roof boards; the female rib plate wraps the slide hook and the top of the male rib plate of the adjacent metal roof board, and a 360-degree lock stitch is formed via an undercut machine through one-time bending; the modulus ruler comprises a horizontal bottom and lugs located on two sides of the horizontal bottom; the support bottom is connected in support mount holes of the modulus ruler; the slide hook is clamped on top of the support. The lock stitch metal roof board system is good in wind resistance and waterproof performances, high in mounting precision, and more suitable for existing light steel building roof systems.

The invention relates to a modulus ruler for installing a metal roof board. The modulus ruler for installing the metal roof board is used for fixedly installing a connecting support frame of the metal roof board, and comprises a horizontal bottom surface and projected edges positioned at the two sides of the horizontal bottom surface; installing holes are formed in each of two ends of the horizontal bottom surface; positioning limiting sheets are arranged on the installing holes formed in one end; two positioning control mechanisms in corresponding arrangement are arranged at the inner sides of the installing holes formed in the other end; and support frame installing holes are formed between the positioning control mechanisms. Compared with the prior art, the modulus ruler has the advantages that the problem of different technological levels of installing personnel is solved; the absorption effect of hot expansion and cold contraction of a roof system can be achieved; the difficult problem of forced pulling damage of the board on roof purlins due to hot expansion and cold contraction is solved; good economic benefits and social benefits can be achieved; the problem of installing difficulty of industry is solved; and the professionalization level of the industry is improved.

The invention discloses a container data center and a cabinet installation method. A container is provided with a container door, a cabinet pedestal is arranged in the container, the container door isarranged in the end portion of the container, the upper end of the cabinet pedestal is provided with two guide rails in parallel, the upper end surface of each guide rail is provided with fixed grooves, the end portion of a pedestal group is provided with an extended seat, one end of the extended seat is in butt joint with the pedestal group, the other end of the extended seat is arranged outsidethe container, the lower end of the cabinet is provided with height adjustable cabinet legs and truckles, the cabinet truckles cooperate with the guide rails, and the cabinet legs cooperate with thefixed grooves. The cabinet installation method comprises the following steps that the cabinet pedestal is installed and fixed, the guide rails are placed in the upper end of the cabinet pedestal, theextended seat is installed, the cabinet is pushed to a corresponding position in the container along the extended guide rails, the cabinet legs cooperate with the fixed grooves, and the extended seatis removed. The problems that cabinet movement needs a lot of labor force and damage tends to occur in the movement process are solved.

A mounting method is a method for mounting a diced semiconductor chip having a first face that is held on a carrier substrate and a second face that is an opposite face of the first face on a circuit board placed on a mounting table. The mounting method includes affixing the second face of the semiconductor chip to an adhesive sheet, removing the carrier substrate from the semiconductor chip, reducing an adhesive strength of the adhesive sheet, and mounting the semiconductor chip on the circuit board by holding a first face side of the semiconductor chip with a head to separate the semiconductor chip from the adhesive sheet, and joining a second face side of the semiconductor chip to the circuit board.

The invention discloses a precision casting mold for a metal ring. The precision casting mold comprises an upper mold body, a middle mold body and a bottom mold body. The middle mold body is arranged at the bottom of the upper mold body. The bottom mold body is arranged at the bottom of the middle mold body. Locating rings are arranged on the outer walls of the left side and the right side of the upper mold body, the outer walls of the left side and the right side of the middle mold body and the outer walls of the left side and the right side of the bottom mold body. The locating rings are fixed through locating fixture blocks. The precision casting mold for the metal ring is formed by combining the upper mold body, the middle mold body and the bottom mold body, and the precision casting mold is simple in structure and convenient to use; meanwhile, due to the fact that shaping molds are arranged between the upper mold body and the middle mold body of the casting mold for the metal ring and between the middle mold body and the bottom mold body of the casting mold for the metal ring, the mold can be used for casting a plurality of castings at a time, and the casting efficiency is greatly improved; and in addition, by means of arranged limiting pins and limiting grooves, mounting of the upper mold body, the middle mold body and the bottom mold body of the mold is extremely stable and precise, the casting precision is greatly improved, and the casting quality of the castings is guaranteed.

The invention discloses and provides a precision vacuum nozzle mechanism which is simple in structure, safe and reliable, capable of replacing a nozzle conveniently and precise and stable to mount. The precision vacuum nozzle mechanism comprises an adapting assembly for being connected with an external vacuum system, a nozzle pipe body and a nozzle sleeve. The adapting assembly comprises an adapting seat and a directional boss arranged on the adapting seat. The directional boss is used for guide positioning during mounting. Multiple suction holes are formed in the nozzle pipe body. The size of the suction holes and the distance between the suction holes are all matched with products. The nozzle sleeve is used for connecting the suction pipe body with the adapting seat. A buckle connecting module is arranged between the nozzle sleeve and the adapting seat. The precision vacuum nozzle mechanism is used for the technical field of vacuum nozzles.

The invention discloses an intelligent circulation control device for a gas water heater. A first shell, a second shell, installation bars, installation grooves, a connecting bar, a connecting frame,fasteners and a fastening sleeve are arranged so that fast mounting and demounting of the shells and a water heater body can be achieved, and maintenance and replacement are facilitated; due to the fact that a water level sensor, a first temperature sensor and a second temperature sensor are arranged so that the temperature and the water level of the water heater can be detected in real time, theequipment control capability is better, and use is more convenient; a first water pump, a second water pump, a circulation water pipe, a cold water pipe and a second temperature sensor are arranged sothat the temperature of water flow flowing through a water conveying pipe can be detected, the water flow is diverted according to the temperature, cold water can flow back cyclically, hot water flows out, and the equipment can be used more conveniently and rapidly; and sliding grooves and sliding mechanisms are arranged, the installation process of the first shell can be assisted, and installation is more stable and more accurate.

The invention discloses a direct-insert rapid positioning reducer connecting device for a metal pipe. The connecting device structurally comprises fixed hold-down blocks, a small end, antiskid clamping blocks, a tightening nut, a relief scale, a large end, a connecting sleeve main body and antiskid lugs; and one side, near the large end, of each fixed hold-down block and one side, near the small end, of the connecting sleeve main body are of an integral structure. Compared with the prior art, the connecting device has the characteristics that the pipe is rapidly positioned through an annular magnet, so that the efficiency and the accuracy of pipe installation are increased, and time is saved; a seal ring and the outer edge of the pipeline are nested, and attaching pressure is boosted by amagnetic force, so that the condition that liquid or gas in the pipe leaks to cause unnecessary losses and damage during use is avoided; a snap-gauge is stuck into and the tightening nut is screwed into a reverse groove of the relief scale, and the tightening nut is fixed so as to avoid the phenomenon that the tightening nut gets loosened due to the fact that rapid flow rushes to the pipe to makethe pipe continuously generate vibration; and a little gas having a pungent odor is isolated by utilizing accumulated water tank, so that the phenomenon that the gas returns back to a discharge hole or other exits to influence living is avoided.

The invention relates to a modulus ruler for installing a metal roof board. The modulus ruler for installing the metal roof board is used for fixedly installing a connecting support frame of the metal roof board, and comprises a horizontal bottom surface and projected edges positioned at the two sides of the horizontal bottom surface; installing holes are formed in each of two ends of the horizontal bottom surface; positioning limiting sheets are arranged on the installing holes formed in one end; two positioning control mechanisms in corresponding arrangement are arranged at the inner sides of the installing holes formed in the other end; and support frame installing holes are formed between the positioning control mechanisms. Compared with the prior art, the modulus ruler has the advantages that the problem of different technological levels of installing personnel is solved; the absorption effect of hot expansion and cold contraction of a roof system can be achieved; the difficult problem of forced pulling damage of the board on roof purlins due to hot expansion and cold contraction is solved; good economic benefits and social benefits can be achieved; the problem of installing difficulty of industry is solved; and the professionalization level of the industry is improved.

The invention relates to a novel metal plate curtain wall which comprises a framework and multiple metal plates. The framework is fixedly connected with a main structure of a building, the metal plates are fixedly mounted on the framework, upper edges of the metal plates sequentially are sequentially folded to form first upper folded edges which incline upwards and second upper folded edges which are vertically upward, lower edges of the metal plates are folded to form lower folded edges which incline upwards, left edges of the metal plates are folded to form left folded edges perpendicular to a metal plate plane, right edges of the metal plates are sequentially folded to form first right folded edges perpendicular to the metal plate plane and second right folded edges parallel to the metal plate plane, and a water drain hole is formed in one end, close to the metal plate plane, of each lower folded edge. By adopting the above structure, rainwater is effectively prevented from entering the metal plate curtain wall, and rainwater which enters the curtain wall occasionally can be timely and quickly drained further, so that waterproof effect and water drain effect of the metal plate curtain wall are guaranteed.

The invention relates to the technical field of gas pipeline partitions, in particular to an automatic installation mechanism for large-scale gas pipeline partitions, comprising pipelines, first hydraulic components are arranged at the upper and lower ends of the pipelines, and a first hydraulic component is installed directly above the pipelines an outer frame, a moving frame is installed on the inner side of the outer frame, a first cross bar is arranged at the upper end of the moving frame, a second cross bar is arranged at the lower end of the moving frame, and a second sliding bar is arranged on the outer frame A groove and a third chute, a second hydraulic assembly is installed on the top end of the moving frame, the upper end of the second hydraulic assembly is a left frame, and the lower end of the second hydraulic assembly is a right frame. The invention can automatically complete the separation of the pipeline through the remote end of the hydraulic system, send the partition plate and the sealing ring into the separation area of ​​the pipeline flange, and automatically clean the slag on the flange contact surface. The operation is fast, the functions are various, and the use is convenient. Strong usability, safe and reliable.

The invention provides a novel camshaft position sensor which comprises a shell and a rear cover, wherein the rear cover is matched and connected with the shell. An integrated circuit plate is arranged between the rear cover and the shell, and a magnet base is arranged in the inner part of the shell. A magnet is arranged at one end, near the rear cover, of the magnet base, and a shaft is inlaid inone end, far away from the rear cover, of the magnet base. The shaft is sleeved with a rolling bearing, and one end, far away from the rear cover, of the shaft is sleeved with a coupler. The novel camshaft position sensor has the advantages of simple structure, good stability and strong anti-interference capability.

The invention relates to the technical field of pedicle screw trajectory trepanning devices, in particular to an atlantoaxial screw trajectory opening guide screw tapping device. The atlantoaxial screw trajectory opening guide screw tapping device comprises a kirschner wire, an opening device and a tapping device, the opening device comprises a first guide rod and a first handle, a first guide hole capable of penetrating through the kirschner wire is formed in the first guide rod, a drilling head is arranged on the outer wall of one end of the first guide rod, and the other end of the first guide rod is connected with the first handle; the tapping device comprises a second guide rod, a second handle and a kirschner wire fixing mechanism, a second guide hole capable of penetrating through a kirschner wire is formed in the second guide rod, tapping threads are arranged on the outer wall of one end of the second guide rod, the other end of the second guide rod is connected with the second handle, and the kirschner wire fixing mechanism is arranged on the upper middle portion of the second guide rod. According to the invention, before the pedicle screw is installed, the screw channel of the atlantoaxial is perforated, so that the pedicle screw can be accurately and smoothly installed on the atlantoaxial.

The invention relates to a modularized transverse moving device. The modularized transverse moving device comprises two frame bodies symmetrically connected to the front end of a machine frame; sliding blocks are arranged in the two frame bodies; slideways are arranged on the upper end surfaces and the lower end surfaces of the sliding blocks, and the slideways on the upper end surfaces and the lower end surfaces of the slide blocks make contact with the upper end surfaces and the lower end surfaces of the frame bodies respectively; through holes I are formed in the middle of the sliding blocks and are parallel to the slideways; screw boxes are arranged on the two frame bodies respectively; screws on the screw boxes penetrate through the through holes I; nuts are arranged on the outer sides of the screws in a sleeving mode and are fixed in the through holes I; sliding grooves are further formed in the sliding blocks and are perpendicular to the slideways; the through holes I penetrate through the sliding grooves; locking pins are arranged in the sliding grooves; locking oil cylinders are connected outside the sliding grooves; one ends of the locking pins are connected to piston rods of the locking oil cylinders; through holes II are formed in the locking pins, and the through holes I communicate with the through holes II all the time; positioning blocks are further arranged on the sides, opposite to the locking oil cylinders, of the sliding blocks; two speed reducers are arranged at the outer ends of the two screws respectively and are connected through a coupler; and a hydraulic motor is connected to one of the speed reducers.

Disclosed is a combined type household gun cabinet. A gun cabinet body is formed movably connecting six metal plates, L-shaped inner flanging edges are arranged on four edges of an upper metal plate and a lower metal plate and two lateral sides of a left metal and a right metal plate, U-shaped inner flanging edges are arranged on four edges of a front metal plate and a rear metal plate and upper edges and lower edges of the left metal plate and the right metal plate, large mounting holes are formed in the L-shaped inner flanging edges, small mounting holes are formed in the U-shaped inner flanging edges, the large mounting holes and the small mounting holes are connected via reducing bolts, two ends of each reducing bolt are connected with a large nut and a small nut respectively in threaded manners, the large nuts are hand-screwed nuts, a fire-proof layer and a boron-carbide bulletproof ceramic layer are mounted inside the gun cabinet body, an automatic fire extinguishing device is mounted at the top inside the gun cabinet body, the gun cabinet is combined and can be separated conveniently by disassembling the bolts and the hand-screwed nuts, the metal plates after disassembling are not connected, so that light weight and convenience in transportation are achieved, small size is achieved after the metal plates are stacked, transportation cost can be reduced, flames can be resisted by the fire-proof layer, chips of exploded ammunition can be intercepted by the boron-carbide bulletproof ceramic layer, and fire can be extinguished immediately by the automatic fire extinguishing device.

The invention relates to the field of battery processing, and specifically discloses equipment for installing a head shell of a battery. The equipment comprises a feeding mechanism and a pressing mechanism, wherein the feeding mechanism comprises a motor, a first spring, an extrusion plate and a conveying shaft, an axis of the conveying shaft is perpendicular to a conveying direction of a conveying belt, one end of the conveying shaft is connected with the motor, the other end of the conveying shaft is provided with an annular groove, the conveying shaft is axially provided with a rectangularthrough slot for containing the battery therein, a center line of the rectangular through slot is collinear with the axis of the conveying shaft, the extrusion plate is slidingly arranged in the rectangular through slot, the first spring is arranged between the extrusion plate and an inner wall of the rectangular through slot, two ends of the first spring are welded to the extrusion plate and therectangular through slot respectively, one end of the rectangular through slot, close to the annular groove, is provided with two pressing holes which are opposite, the other end of the rectangular through slot is provided with a feeding hole, the pressing holes communicate with the annular groove, and the extrusion plate is arranged between the feeding hole and the motor. Through adoption of theequipment of the invention, head shells at two ends of a lithium battery can be installed quickly and efficiently.