Liquid injection production equipment of cylindrical power battery

Abstract

The invention discloses liquid injection production equipment of a cylindrical power battery. Comprising a cartridge holder feeding conveying line, a feeding weighing carrying mechanical arm, a feeding mechanical arm, a discharging weighing mechanical arm, a discharging mechanical arm, a discharging conveying line, four battery jig transfer conveying lines and two battery liquid injection mechanism cleaning mechanisms, and a retainer cup base assembly is arranged between every two battery jig transfer conveying lines; the two sleeve cup base assemblies are each provided with a sleeve cup jig, the tail ends of the four battery jig transfer conveying lines are each provided with a standing mechanism, and the tail end of the discharging conveying line is provided with a nailing mechanism; according to the present invention, the liquid injection function and the sleeve cup cleaning function are provided, the liquid injection is performed by using the sleeve cup liquid injection mode, the sleeve cup can be separated from the liquid injection mechanism so as to conveniently clean the sleeve cup, the liquid injection can be performed on the battery in batch, each battery jig can be used for placing 324 battery cells, and the number of the sleeve cups corresponds to the number of the battery cells; and simultaneous liquid injection of 324 batteries can be realized.

Description

TECHNICAL FIELD

[0001] The present application relates to power battery production equipment, in particular to a kind of liquid injection production equipment of cylindrical power battery. BACKGROUND

[0002] The production process of power battery needs to be injected, and injection is the process of injecting electrolyte into the battery after encapsulation. Electrolyte provides a carrier for ion transport in the battery.

[0003] At present, the existing cylindrical power battery injection equipment generally realizes liquid preparation by the way of injection cup. After liquid preparation, electrolyte is injected into the battery through the injection cup. If the residual liquid is not cleaned, it will affect the effect of the next injection. Since the existing injection cup is integrated with the injection mechanism, when it is necessary to clean the residual liquid, the injection cup part needs to be controlled to flip by driving to make the injection cup stand in the state of flip, so as to facilitate cleaning. The cleaning method of this injection cup is relatively cumbersome and time-consuming, which affects the injection efficiency.

[0004] Therefore, the present application provides a kind of liquid injection production equipment of cylindrical power battery, which can use sleeve cup to inject liquid. The sleeve cup can be separated from the injection mechanism, and the separated sleeve cup can be cleaned quickly and conveniently, improving the injection efficiency. SUMMARY

[0005] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present application is to provide a kind of liquid injection production equipment of cylindrical power battery.

[0006] The purpose of the present application is achieved by the following technical scheme: a kind of liquid injection production equipment of cylindrical power battery, including spring clip feeding conveying line, feeding weighing and carrying manipulator, feeding manipulator, discharging weighing manipulator, discharging manipulator, discharging conveying line, four battery jig transfer conveying lines, two battery injection mechanism cleaning mechanisms, sleeve cup seat assembly is arranged between every two battery jig transfer conveying lines, sleeve cup jig is arranged on the two sleeve cup seat assemblies, the end of four battery jig transfer conveying lines is equipped with static mechanism, the end of discharging conveying line is equipped with nailing mechanism;One of the battery injection mechanism cleaning mechanisms is responsible for battery injection and sleeve cup cleaning of two battery jig transfer conveying lines. When the battery jig on one of the battery jig transfer conveying lines is full of batteries, the feeding manipulator carries the battery to another battery jig, and so on. Four battery jig transfer conveying lines can alternate feeding and discharging, reduce the waiting time of battery injection and static, and improve the efficiency.

[0007] The battery liquid injection mechanism cleaning mechanism comprises two corresponding first horizontal sliding rails, a sleeve cup liquid preparation mechanism and a sleeve cup cleaning mechanism capable of moving left and right along the two first horizontal sliding rails, and the sleeve cup seat assembly is located between the sleeve cup liquid preparation mechanism and the sleeve cup cleaning mechanism. The upper feeding, weighing and carrying manipulator, the upper feeding manipulator, the lower feeding, weighing and carrying manipulator, and the lower feeding manipulator are arranged on the two second horizontal sliding rails, each of which is provided with a second rack, the upper feeding, weighing and carrying manipulator takes 9 batteries from the magazine feeding conveying line at a time and places them on the weighing station for upper feeding, weighing and upper feeding code scanning, the upper feeding manipulator takes 9 batteries from the weighing station at a time and places them on the battery fixture conveyed by the battery fixture transfer conveying line, after the battery fixture is filled with batteries, the battery fixture transfer conveying line controls the battery fixture to move to the position directly below the sleeve cup liquid preparation mechanism, the sleeve cup liquid preparation mechanism takes the sleeve cup fixture from the sleeve cup seat assembly and covers the sleeve cup fixture on the battery fixture for vacuumizing and liquid injection, after the batteries on the battery fixture are injected with liquid, the battery fixture is controlled by the battery fixture transfer conveying line to move to the rest mechanism for resting, after the resting mechanism rests for a certain period of time, the battery fixture is pulled out by the battery fixture transfer conveying line and conveyed to the position below the sleeve cup liquid preparation mechanism, the sleeve cup liquid preparation mechanism takes out the sleeve cup fixture and carries it to the sleeve cup seat assembly, the battery fixture from which the sleeve cup fixture is taken out is controlled by the battery fixture transfer conveying line to move to the upper feeding position, the lower feeding, weighing and carrying manipulator takes 9 batteries from the battery fixture at a time and places them on the lower feeding, weighing and carrying station for weighing and code scanning, the lower feeding manipulator takes 9 batteries from the lower feeding, weighing and carrying station at a time and places them on the discharging conveying line, the discharging conveying line controls the battery fixture to move to the position of the nail driving mechanism for nail driving, after the batteries are driven with nails, they are carried by the discharging carrying manipulator to the discharging conveying line or the NG conveying line, the sleeve cup cleaning mechanism takes out the sleeve cup fixture from the sleeve cup seat assembly and carries it to the cleaning position for cleaning the sleeve cup fixture, after the sleeve cup fixture is cleaned, it is carried by the sleeve cup cleaning mechanism back to the sleeve cup seat assembly to wait for being taken out by the sleeve cup liquid preparation mechanism for liquid injection. The upper feeding, weighing and carrying manipulator, the upper feeding manipulator, the lower feeding, weighing and carrying manipulator, and the lower feeding manipulator each comprise an upper mounting plate, the two ends of the upper mounting plate are each provided with a horizontal movement control servo motor, the output shaft of the horizontal movement control servo motor is provided with a third gear, the third gear is in meshing transmission with the second rack, the middle part of the upper mounting plate of the upper feeding, weighing and carrying manipulator, the upper feeding manipulator, the lower feeding, weighing and carrying manipulator, and the lower feeding manipulator is provided with a Z-axis lifting servo module, the Z-axis lifting servo module controls a Y-axis servo module to move, the Y-axis servo module controls a battery clamp mounting plate to move, and 9 battery clamps are arranged at intervals on the battery clamp mounting plate. Each battery fixture can hold 324 batteries.

[0008] As an improvement of the liquid injection production equipment of the cylindrical power battery, the cup preparation mechanism comprises a vacuum plate and an upper mounting plate, the upper mounting plate is provided with a vacuum plate lifting control servo module and a liquid injection needle horizontal movement control servo module, the liquid injection needle horizontal movement control servo module controls the horizontal movement of the liquid injection needle mechanism, the two sides of the vacuum plate are respectively provided with side mounting plates, the side mounting plates are provided with a locking pin mechanism, the two ends of the upper mounting plate are respectively provided with horizontal movement control motors, the output shafts of the horizontal movement control motors are provided with gears, the two first horizontal movement sliding rails are provided with racks, and the racks are in meshing transmission with the gears; The two ends of the cup jig are respectively provided with lock seats matched with the locking pin mechanism, and the initial position of the cup jig is located on the cup seat. When the cup preparation mechanism moves to the position above the cup seat assembly, the vacuum plate lifting control servo module controls the vacuum plate to descend, the locking pin mechanism is locked on the lock seat, and the vacuum plate lifting control servo module controls the vacuum plate to ascend to take out the cup jig and cover the cup jig on the battery jig. After each liquid injection of the cup jig is completed, the cup preparation mechanism carries the cup jig back to the cup seat assembly, the cup cleaning mechanism moves to the position of the cup seat assembly to take away the cup jig and carries it to the position above the residual liquid receiving disc, the cup cleaning mechanism cleans the residual liquid in the cup by blowing, and the cleaned residual liquid falls onto the residual liquid receiving disc for collection. The cup jig is provided with 324 cups arranged in a square interval, and each cup corresponds to the position of a battery.

[0009] As an improvement of the liquid injection production equipment of the cylindrical power battery, the cup jig is provided with 324 cups arranged at intervals, the bottom of each cup is provided with a cover, and each cup is provided with a vacuum extraction pipeline. The lower end of the vacuum extraction pipeline extends from the bottom of the cup, and the upper end extends from the top of the cup. The upper end of the vacuum extraction pipeline is provided with a spring and a docking port. When the cup is sleeved on the battery of the battery jig, the lower end of the vacuum extraction pipeline is inserted into the vacuum extraction hole of the battery, the bottom of the cup is provided with a liquid outlet hole, and the top is provided with a liquid inlet hole. The liquid outlet hole is connected with the liquid inlet hole on the battery. The two ends of the cup jig are respectively provided with U-shaped clamping seats, the U-shaped clamping seats are provided with limiting rods, the two sides of the battery jig are provided with elastic clamping hooks corresponding to the positions of the U-shaped clamping seats, and when the cup jig is connected with the battery jig, the elastic clamping hooks are hooked on the limiting rods of the U-shaped clamping seats. The middle parts of the front and rear sides of the cup jig are provided with alignment guide sleeves, the front and rear sides of the cup seat mounting plate are provided with first alignment guide rods corresponding to the positions of the alignment guide sleeves, and when the cup jig is placed on the cup seat, the first alignment guide rods are inserted into the alignment guide sleeves. The residual liquid receiving tray is mounted on a bracket, and second alignment guide rods are respectively provided in the middle of the front and rear sides of the residual liquid receiving tray. When the cup jig is cleaned, the cup cleaning mechanism moves the cup jig to the position of the residual liquid receiving tray, and the second alignment guide rods are inserted into the alignment guide sleeves. The depth of the residual liquid receiving tray increases gradually from one side to the other side, and a drainage pipe is provided at the bottom of the end of the residual liquid receiving tray with a larger depth.

[0010] As an improvement to the liquid injection production equipment for cylindrical power batteries of the present invention, a plurality of vacuum suction nozzles are arranged at intervals on the vacuum plate, and the plurality of vacuum suction nozzles located in the same row are connected to the same vacuum pipe. A docking joint and a second spring are provided at the bottom of each vacuum suction nozzle, and the docking joint can be docked with the docking port of the vacuum pipe; a plurality of liquid injection needle perforations are arranged at intervals on the vacuum plate; The injection needle mechanism includes a cylinder mounting plate, a lifting control cylinder is provided on the cylinder mounting plate, and the lifting control cylinder controls the movement of an injection pump mounting plate. A plurality of injection pumps are arranged on the injection pump mounting plate, and each of the injection pumps is connected to an injection needle. A plurality of injection needle valve mounting plates are provided on one side of the injection pump mounting plate, and three injection needle valves are arranged at intervals on each of the injection needle valve mounting plates, and each of the injection needle valves is connected to three injection pumps. When the injection needle injects liquid, it can penetrate through the injection needle piercing hole and dock with the liquid inlet hole on the sleeve cup; The locking pin mechanism includes a locking cylinder provided on one side of the side mounting plate and a locking block provided on the other side of the side mounting plate. The piston rod of the locking cylinder is connected to the middle part of the locking block. A locking pin is provided horizontally at the lower end of the locking block. The locking pin is passed through the side mounting plate. When the cup jig is taken or placed, the locking cylinder controls the movement of the locking block. The lock seat is provided with a pin hole, and when locking, the lock pin penetrates into the pin hole.

[0011] As an improvement to the liquid injection production equipment for cylindrical power batteries of the present invention, the cup cleaning mechanism includes a nozzle mounting plate and a second upper mounting plate. A plurality of air blowing nozzles are arranged at intervals on the nozzle mounting plate. Second side plates are provided on both sides of the nozzle mounting plate. A second locking pin mechanism is provided on the second side plate. The second locking pin mechanism has the same structure as the locking pin mechanism. A lifting control servo module is provided in the middle of the second upper mounting plate. The lifting control servo module controls the lifting and lowering of the nozzle mounting plate. The number of the nozzles is the same as the number of the cups. Two ends of the second upper mounting plate are respectively provided with second horizontal movement control motors, output shafts of the second horizontal movement control motors are provided with second gears, the second gears are in meshing transmission with the racks, and the two second horizontal movement control motors simultaneously control movement of the cup cleaning mechanism. The vacuumizing plate lifting control servo module and the lifting control servo module both comprise a module profile, a transmission screw rod is arranged on the module profile, one end of the transmission screw rod is provided with a first synchronous pulley, an upper end of the module profile is provided with a lifting control motor mounting seat, a lifting control servo motor is arranged on the lifting control motor mounting seat, a second synchronous pulley is arranged on an output shaft of the lifting control servo motor, the second synchronous pulley is connected with the first synchronous pulley through a synchronous belt, a screw rod nut is screwed on the transmission screw rod, a lifting sliding block is connected with the screw rod nut, and a lifting guide rod is connected with the lifting sliding block.

[0012] As an improvement of the liquid injection production equipment of the cylindrical power battery, the standing mechanism comprises a cylinder support, an upper cylinder and a lower cylinder are arranged on the cylinder support, an adapter disc is arranged in the lower cylinder, an adapter conveying line and a limiting component are arranged on the adapter disc, the limiting component is located at the end of the adapter conveying line, and the upper cylinder and the lower cylinder are fixed through a tooth groove structure when being buckled. A plurality of buckling protruding teeth are arranged at intervals on the lower end opening edge of the upper cylinder, a plurality of limiting protruding teeth are arranged at intervals on the inner side edge of the lower cylinder, and a tooth groove is arranged between every two limiting protruding teeth. A lower cylinder rotation control air cylinder is further arranged on the cylinder support, the lower cylinder rotation control air cylinder is located on the outer side of the lower cylinder, and the piston rod end of the lower cylinder rotation control air cylinder is connected to the outer side surface of the lower cylinder. Two lifting control air cylinders for controlling the lifting of the upper cylinder are further arranged on the cylinder support, and the piston rod ends of the two lifting control air cylinders are both connected to the ear seat on the outer side of the upper cylinder. A guide sleeve is arranged on the outer side surface of the upper cylinder, the guide sleeve is connected to a guide rod, and the guide rod is installed on the cylinder support. A vacuumizing pipeline and a pressurizing pipeline are further arranged on the cylinder support.

[0013] As an improvement of the liquid injection production equipment of the cylindrical power battery, when the upper cylinder is buckled with the lower cylinder, the buckling protruding teeth are embedded in the positions corresponding to the tooth grooves, when the buckling protruding teeth are completely embedded in the tooth grooves, the lower cylinder rotation control air cylinder controls the lower cylinder to rotate by a certain angle, so that the buckling protruding teeth are located directly below the limiting protruding teeth, and the movement of the upper cylinder is limited. When the upper cylinder body is separated from the lower cylinder body, the lower cylinder body rotation control cylinder controls the lower cylinder body to rotate in the opposite direction by a certain angle, so that the buckling convex teeth correspond to the tooth groove, and the lifting control cylinder controls the upper cylinder body to rise and open.

[0014] As an improvement of the liquid injection production equipment of the cylindrical power battery, the transfer conveying line comprises two parallel roller mounting plates, the outer sides of the two roller mounting plates are respectively provided with outer side plates, and a plurality of rollers are arranged on the two roller mounting plates and the two outer side plates. The limiting assembly comprises a limiting support, a plurality of baffles and sensors are arranged on the limiting support at intervals; when the battery fixture enters the limit position along the transfer conveying line, the sensor senses the position of the battery fixture; The upper end of the cylinder body support is further provided with an upper locking mechanism, the upper locking mechanism locks the upper cylinder body when the upper cylinder body rises to the limit height position; the upper locking mechanism comprises an upper locking cylinder and an upper locking fixed plate, two limiting plates are arranged on the upper locking fixed plate, a bolt hole is arranged on each limiting plate, a lock plate is arranged at the upper end of the upper cylinder body, and a through hole is arranged on the lock plate; one of the limiting plates is provided with a position sensor, the position sensor senses the lock plate when the lock plate of the upper cylinder body is inserted between the two limiting plates, and the upper locking cylinder controls the piston rod to penetrate the bolt hole and the through hole; A plurality of guide wheel assemblies are further arranged on the cylinder body support at intervals, and the plurality of guide wheel assemblies are arranged along the circumference of the lower cylinder body. The guide wheel assembly comprises a guide wheel support, a plurality of guide wheels are arranged on the guide wheel support at intervals, and the guide wheels are in contact with the outer side of the lower cylinder body.

[0015] As an improvement of the liquid injection production equipment of the cylindrical power battery, the nail driving mechanism comprises a rotating nail driving mechanism and a nail supply mechanism, the nail supply mechanism takes rubber nails and arranges them on a rubber nail platform, the rotating nail driving mechanism takes a plurality of rubber nails from the rubber nail platform at a time, and the rotating nail driving mechanism drives the nails by rotating the nails while pressing them down; The rotating nail driving mechanism comprises a first mounting support, a horizontal movement servo module is arranged on the first mounting support, the horizontal movement servo module controls the movement of a lifting servo module, the lifting servo module controls the movement of a lifting plate, a front and rear control servo motor is arranged on the lifting plate, a mounting plate is connected to the bottom of the lifting plate through a sliding rail and a sliding block, a plurality of nail taking tubes are arranged on the mounting plate at intervals, the lower end of each nail taking tube extends from the mounting plate, a synchronous wheel is arranged at the upper end of each nail taking tube, and adjacent two synchronous wheels are connected through a synchronous belt. Two rotary control servo motors are further arranged on the mounting plate, output shafts of the two rotary control servo motors are respectively provided with driving synchronous wheels, one of the rotary control servo motors controls rotation of the four nail taking tubes, the other rotary control servo motor controls rotation of the five nail taking tubes, and the driving synchronous wheels are connected with the synchronous wheels on one of the nail taking tubes through a second synchronous belt.

[0016] As an improvement of the liquid injection production equipment of the cylindrical power battery, a corresponding surface of the rotary nail driving mechanism is provided with a battery pressing positioning mechanism, the battery pressing positioning mechanism is slidingly installed on a second mounting bracket, the second mounting bracket is provided with a position adjusting assembly, and the position adjusting assembly adjusts the position of the battery pressing positioning mechanism. The battery pressing positioning mechanism comprises a vertical plate, a battery pressing cylinder and a linear guide rail are arranged on the vertical plate, the linear guide rail is connected with a sliding plate through a linear sliding block, a piston rod of the battery pressing cylinder is connected with the sliding plate, the sliding plate is provided with a second linear guide rail, an upper air spring and a lower air spring, and the second linear guide rail is connected with a pressing plate through a second linear sliding block. The position adjusting assembly comprises an adjusting hand wheel, a first pulley is arranged on the adjusting hand wheel, a second pulley is arranged on the second mounting bracket, the second pulley is connected with the first pulley through a synchronous belt, and the battery pressing positioning mechanism is connected with the synchronous belt through a connecting block. The nail supply mechanism comprises a machine table, a hopper, a glue nail taking manipulator and a glue nail positioning net plate are arranged on the machine table, the hopper is installed on a vibrator, glue nails falling from the hopper under vibration fall on the glue nail net plate, the glue nail taking manipulator takes three glue nails from the glue nail net plate at a time and places the glue nails on the glue nail platform. A camera is arranged above the machine table, the camera takes pictures of the glue nails on the glue nail net plate to determine the positions of the glue nails, and sends the position information of the glue nails to the glue nail taking manipulator, and the glue nail taking manipulator takes the glue nails according to the glue nail positions provided by the camera. The glue nail taking manipulator comprises an X-axis servo module, a Y-axis servo module and a Z-axis servo module, the X-axis servo module controls movement of the Y-axis servo module, the Y-axis servo module controls movement of the Z-axis servo module, the Z-axis servo module controls movement of a second lifting plate, a nail taking suction tube mounting plate is arranged at the bottom of the second lifting plate, and three nail taking suction tubes are arranged on the nail taking suction tube mounting plate at intervals.

[0017] The beneficial effects of the present application are that: the present application adopts four static positions, four battery jig transfer conveying lines, and each two battery jig transfer conveying lines are connected, each battery liquid injection mechanism cleaning mechanism corresponds to two battery jig transfer conveying lines to inject liquid and clean the sleeve cup of the battery, four battery jig transfer conveying lines can alternately load and unload, and the waiting time for liquid injection and static is reduced. The present application has liquid injection function and sleeve cup cleaning function, adopts sleeve cup liquid injection mode for liquid injection, the sleeve cup can be separated from the liquid injection mechanism, which is convenient for cleaning the sleeve cup, the present application can batch liquid injection of the battery, each battery jig can place 324 battery cells, the number of sleeve cups corresponds to the number of battery cells, and 324 batteries can be simultaneously injected. The liquid injection efficiency is high. The sleeve cup can be cleaned after each liquid injection, which improves the liquid injection quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the first direction perspective view of the present application; Figure 2 is the second direction perspective view of the present application; Figure 3 is the top view of the present application; Figure 4 is the structure diagram of two battery jig transfer conveying lines connected together of the present application; Figure 5 is the side view of two battery jig transfer conveying lines connected together of the present application; Figure 6 is the three-dimensional view of the battery liquid injection mechanism cleaning mechanism of the present application; Figure 7 is another direction three-dimensional view of the battery liquid injection mechanism cleaning mechanism of the present application; Figure 8 is the three-dimensional view of the sleeve cup liquid preparation mechanism of the present application; Figure 9 is the three-dimensional view of the sleeve cup cleaning mechanism of the present application; Figure 10 is the structure diagram of the sleeve cup jig sleeved on the battery jig of the present application; Figure 11 is the front view of the battery liquid injection mechanism cleaning mechanism of the present application; Figure 12 is the structure diagram of a single sleeve cup sleeved on a single battery of the present application; Figure 13 is the three-dimensional view of the upper cylinder body and the lower cylinder body of the static mechanism after buckling of the present application; Figure 14 is the three-dimensional view of the upper cylinder body and the lower cylinder body of the static mechanism after separation of the present application; Figure 15 is another direction three-dimensional view of the upper cylinder body and the lower cylinder body of the static mechanism after separation of the present application; Figure 16 is a perspective view of the nail driving mechanism of the present application; Figure 17 is a top view of the nail driving mechanism of the present application; Figure 18 is a perspective view of the rotating nail driving mechanism of the nail driving mechanism of the present application; Figure 19 is a side view of the rotating nail driving mechanism and the battery pressing positioning mechanism of the present application; Figure 20 is a schematic view of the rotating control part structure of the present application; Figure 21 is a side view of the rotating control part of the present application; Figure 22 is a perspective view of the nail supply mechanism of the present application. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0020] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0021] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of a person of ordinary skill in the art, and when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0022] As Figures 1-22As shown, a kind of liquid injection production equipment of cylindrical power battery, including cartridge feed conveying line 1, feeding weighing handling manipulator 2, feeding manipulator 3, discharging weighing manipulator 4, discharging manipulator 5, discharge conveying line 6, four battery fixture transfer conveying lines 7, two battery liquid injection mechanism cleaning mechanisms 8, each two battery fixture transfer conveying lines 7 are equipped with cup seat assembly 9, two cup seat assemblies 9 are equipped with cup fixture 10, the end of four battery fixture transfer conveying lines 7 is equipped with static mechanism 11, the end of discharge conveying line 6 is equipped with nail mechanism 12;One of battery liquid injection mechanism cleaning mechanism 8 is responsible for the battery liquid injection and cup cleaning of two battery fixture transfer conveying lines 7.When the battery fixture 13 on one of battery fixture transfer conveying lines 7 is full of battery, feeding manipulator 3 carries battery to another battery fixture 13, and so on, four battery fixture transfer conveying lines 7 can alternate feeding and discharging, reduce the waiting time of battery liquid injection and static, improve efficiency.

[0023] Battery liquid injection mechanism cleaning mechanism 8 includes two corresponding first horizontal sliding rails 81, cup liquid preparation mechanism 82 and cup cleaning mechanism 83 capable of moving left and right along two first horizontal sliding rails 81, cup seat assembly 9 is located between cup liquid preparation mechanism 82 and cup cleaning mechanism 83;The lower portion of cup cleaning mechanism 83 is equipped with residual liquid receiving tray 22; The upper feeding, weighing and carrying manipulator 2, the upper feeding manipulator 3, the lower feeding, weighing and carrying manipulator 4 and the lower feeding manipulator 5 are arranged on the two second horizontal moving slide rails 14, and the two second horizontal moving slide rails 14 are each provided with a second rack 15. The upper feeding, weighing and carrying manipulator 2 takes 9 batteries from the magazine feeding and conveying line 1 at a time and places them on the weighing station 16 to perform upper feeding, weighing and scanning of a code. The upper feeding manipulator 3 takes 9 batteries from the weighing station 16 at a time and places them on the battery jig 13 of the battery jig intermediate conveying line 7. When the battery jig 13 is full of batteries, the battery jig intermediate conveying line 7 controls the battery jig 13 to move to the position directly below the cup sleeving and liquid preparation mechanism 82. The cup sleeving and liquid preparation mechanism 82 takes the cup sleeving jig 10 from the cup sleeving seat assembly 9 and covers the cup sleeving jig 10 on the battery jig 13 to perform vacuumizing and liquid injection. After the batteries on the battery jig 13 are injected with liquid, the battery jig intermediate conveying line 7 controls the battery jig 13 to move to the resting mechanism 11 to rest. After the resting mechanism 11 rests for a certain period of time, the battery jig intermediate conveying line 7 pulls out the battery jig 13 and conveys it to the position below the cup sleeving and liquid preparation mechanism 82. The cup sleeving and liquid preparation mechanism 82 takes out the cup sleeving jig 10 and carries it to the cup sleeving seat assembly 9. The battery jig 13 from which the cup sleeving jig 10 is taken out is controlled by the battery jig intermediate conveying line 7 to move to the position of upper feeding. The lower feeding, weighing and carrying manipulator 4 takes 9 batteries from the battery jig 13 at a time and places them on the lower feeding, weighing and scanning station 17. The lower feeding manipulator 5 takes 9 batteries from the lower feeding, weighing and scanning station 17 at a time and places them on the discharging conveying line 6. The discharging conveying line 6 controls the battery positioning jig 18 to move to the position of the pin punching mechanism 12 to perform pin punching. After the batteries are punched with glue, they are carried by the discharging carrying manipulator 19 to the discharging conveying line 20 or the NG conveying line 21. The cup cleaning mechanism 83 takes out the cup sleeving jig 10 from the cup sleeving seat assembly 9 and carries it to the cleaning position to clean the cup sleeving jig 10. After the cup sleeving jig 10 is cleaned, it is carried by the cup cleaning mechanism 83 back to the cup sleeving seat assembly 9 to wait for being taken out and injected with liquid by the cup sleeving and liquid preparation mechanism 82. The upper feeding, weighing and carrying manipulator 2, the upper feeding manipulator 3, the lower feeding, weighing and carrying manipulator 4 and the lower feeding manipulator 5 each include an upper mounting plate. The two ends of the upper mounting plate are each provided with a horizontal moving control servo motor. The output shaft of the horizontal moving control servo motor is provided with a third gear. The third gear is in meshing transmission with the second rack. The upper mounting plate of the upper feeding, weighing and carrying manipulator, the upper feeding manipulator, the lower feeding, weighing and carrying manipulator and the lower feeding manipulator is provided in the middle portion with a Z-axis lifting servo module. The Z-axis lifting servo module controls a Y-axis servo module to move. The Y-axis servo module controls a battery clamp mounting plate to move. The battery clamp mounting plate is provided with 9 battery clamps arranged at intervals.

[0024] The sleeve cup seat assembly 9 comprises a sleeve cup seat support 91, and a sleeve cup seat mounting plate 92 is arranged on the sleeve cup seat support 91, and a plurality of sleeve cup seats 93 are arranged on the sleeve cup seat mounting plate 92 in a spaced manner; The battery jig transfer conveying line 7 comprises a transfer conveying track 71 and a battery jig traction mechanism 72, both sides of the transfer conveying track 71 are respectively provided with a roller line 73, a guide rail line 74, a support plate 75 and a fourth rack 76, a plurality of ball bearings 77 are arranged on the support plate 75 in a spaced manner, the battery jig 13 is supported on the ball bearings 77 and is in contact with the roller line 73, the battery jig traction mechanism 72 comprises a traction motor mounting plate 721 and a docking plate 722, traction motors 723 are arranged at both ends of the traction motor mounting plate 721, a fourth gear is arranged on the output shaft of the traction motor 723, the fourth gear is in meshing transmission with the fourth rack 74, a docking plate control air cylinder 724 is arranged at the middle part of the traction motor mounting plate 721, the piston rod end of the docking plate control air cylinder 724 is connected with the docking plate 722, the docking plate 722 is connected to the traction motor mounting plate 721 in a lifting manner through guide columns, and two groups of traction roller groups 725 are arranged at one end of the docking plate 722. The traction motor mounting plate 721 is slidably connected with the guide rail line 74 through a sliding block. Fixed air cylinders 78 are arranged at both sides of the transfer conveying track 71 at the liquid injection station and the feeding station, when the battery jig traction mechanism 72 drags the battery jig 13 to the liquid injection station and the feeding station, the fixed air cylinders 78 are extended to fix the battery jig 13, when the battery jig traction mechanism 72 sends the battery jig 13 into the standing mechanism 11, the docking plate control air cylinder 724 controls the docking plate 722 to descend, and the traction motor 723 controls the traction motor mounting plate 721 to exit the standing mechanism 11.

[0025] Preferably, the sleeve cup liquid preparation mechanism 82 comprises a vacuum extraction plate 8221 and an upper mounting plate 8222, the upper mounting plate 8222 is provided with a vacuum extraction plate lifting control servo module 8223 and a liquid injection needle horizontal movement control servo module 8224, the liquid injection needle horizontal movement control servo module 8224 controls the horizontal movement of a liquid injection needle mechanism 8225, the two sides of the vacuum extraction plate 8221 are respectively provided with side mounting plates 8226, the side mounting plates 8226 are provided with lock pin mechanisms 8227, the two ends of the upper mounting plate 8222 are respectively provided with horizontal movement control motors 8228, a gear (not shown in the figure) is arranged on the output shaft of the horizontal movement control motor 8228, two horizontal movement sliding rails 81 are respectively provided with racks 101, and the racks 101 are in meshing transmission with the gear; the liquid injection needle horizontal movement control servo module 8224 comprises a module cross beam, a lead screw and a servo motor are arranged on the module cross beam, the servo motor is connected with the lead screw through a coupling, and the lead screw is connected with the liquid injection needle mechanism through a lead screw nut. When the liquid injection needle mechanism 8225 injects liquid, the liquid injection needle horizontal movement control servo module 8224 controls the injection of liquid in rows.

[0026] The two ends of the sleeve cup jig 10 are respectively provided with lock seats 51 matched with the lock pin mechanism 8227, and the initial position of the sleeve cup jig 10 is located on the sleeve cup seat 93. When the sleeve cup liquid preparation mechanism 82 moves to the position directly above the sleeve cup seat assembly 9, the vacuum plate lifting control servo module 8223 controls the vacuum plate 8221 to descend, the lock pin mechanism 8227 is locked on the lock seat 51, the vacuum plate lifting control servo module 8223 controls the vacuum plate 8221 to ascend to take out the sleeve cup jig 10, and the sleeve cup jig 10 is covered on the battery jig 13; the number of the batteries 61 on the battery jig 13 is the same as the number of the sleeve cups 52. The sleeve cup jig 10 is provided with 324 sleeve cups arranged in a square interval, and each sleeve cup corresponds to the position of a battery.

[0027] Preferably, the sleeve cup jig 10 is provided with 324 sleeve cups 52 arranged at intervals, and the bottom of each sleeve cup 52 is provided with a sleeve cover 53. Each sleeve cup 52 is provided with a vacuum pipeline 54, the lower end of which extends from the bottom of the sleeve cup, and the upper end of which extends from the top of the sleeve cup 52. The upper end of the vacuum pipeline 54 is provided with a spring 55 and a butt joint 56. The vacuum pipeline 54 can be connected with the battery 61 to vacuumize the battery. When liquid injection, the battery with vacuum can accelerate the flow of electrolyte in the sleeve cup 52 into the battery, thereby improving the liquid injection speed.

[0028] When the sleeve cup 52 is sleeved on the battery 61 of the battery jig 13, the lower end of the vacuum pipeline 54 is inserted into the vacuum hole of the battery 61. The bottom of the sleeve cup 52 is provided with a liquid outlet hole, and the top is provided with a liquid inlet hole. The liquid outlet hole is connected with the liquid inlet hole on the battery.

[0029] Preferably, the vacuum plate 8221 is provided with a plurality of vacuum suction nozzles 82211 arranged at intervals, and the plurality of vacuum suction nozzles 82211 located in the same row are commonly connected to the same vacuum pipeline 82212. The bottom of each vacuum suction nozzle 82211 is provided with a butt joint and a second spring. The butt joint can be connected with the butt joint 56 of the vacuum pipeline 54. The vacuum plate 8221 is provided with a plurality of liquid injection needle perforations 82213 arranged at intervals.

[0030] Preferably, the liquid injection needle mechanism 8225 comprises a cylinder mounting plate 82251, a lifting control cylinder 82252 is arranged on the cylinder mounting plate 82251, the lifting control cylinder 82252 controls the movement of a liquid injection pump mounting plate 82253, a plurality of liquid injection pumps 82254 are arranged on the liquid injection pump mounting plate 82253, each liquid injection pump 82254 is connected with a liquid injection needle 82255, a plurality of liquid injection needle valve mounting plates 82256 are arranged on one side of the liquid injection pump mounting plate 82253, three liquid injection needle valves 82257 are arranged on each liquid injection needle valve mounting plate 82256 in intervals, each liquid injection needle valve 82257 is connected with three liquid injection pumps 82254 through pipelines, and the liquid injection needle 82255 can enter the liquid inlet hole on the sleeve cup 52 through the liquid injection needle hole 82213 and be connected with the liquid inlet hole when injecting liquid.

[0031] Preferably, the locking pin mechanism 8227 comprises an upper locking cylinder 82271 arranged on one side of the side mounting plate and a locking block 82272 arranged on the other side of the side mounting plate, the piston rod of the upper locking cylinder 82271 is connected to the middle part of the locking block 82272, the lower end of the locking block 82272 is horizontally provided with a locking pin, the locking pin is arranged through the side mounting plate, and the upper locking cylinder 82271 controls the movement of the locking block 82272 when taking and placing the sleeve cup jig 10. The locking seat 51 is provided with a pin hole 57, and the locking pin penetrates into the pin hole 57 when locking.

[0032] Preferably, the two ends of the sleeve cup jig 10 are respectively provided with U-shaped clamping seats 58, the U-shaped clamping seats 58 are provided with limiting rods 59, the two sides of the battery jig 13 are provided with elastic clamping hooks 62 corresponding to the positions of the U-shaped clamping seats 58, and the elastic clamping hooks 62 are hooked on the limiting rods 59 of the U-shaped clamping seats 57 when the sleeve cup jig 10 is connected with the battery jig 13.

[0033] Preferably, the sleeve cup cleaning mechanism 83 comprises a gas nozzle mounting plate 8331 and a second upper mounting plate 8332, a plurality of air blowing nozzles 8333 are arranged on the gas nozzle mounting plate 8331 in intervals, second side plates 8334 are arranged on the two sides of the gas nozzle mounting plate 8333, a second locking pin mechanism 8335 is arranged on the second side plate 8334, the second locking pin mechanism 8335 has the same structure as the locking pin mechanism 8227, a lifting control servo module 8336 is arranged in the middle part of the second upper mounting plate 8332, the lifting control servo module 8336 controls the lifting of the gas nozzle mounting plate 8333, and the number of the air blowing nozzles 8333 is the same as the number of the sleeve cups 52.

[0034] Preferably, the two ends of the second upper mounting plate 8332 are respectively provided with second horizontal movement control motors 8337, a second gear (not shown in the figure) is arranged on the output shaft of the second horizontal movement control motor 8337, the second gear is engaged with the rack 101 for transmission, and the two second horizontal movement control motors 8337 simultaneously control the movement of the sleeve cup cleaning mechanism 3.

[0035] Preferably, the vacuum plate lifting control servo module 8323 and the lifting control servo module 8336 each include a module profile, the module profile is provided with a transmission screw rod, one end of the transmission screw rod is provided with a first synchronous pulley, the upper end of the module profile is provided with a lifting control motor mounting seat, the lifting control motor mounting seat is provided with a lifting control servo motor, the output shaft of the lifting control servo motor is provided with a second synchronous pulley, the second synchronous pulley is connected with the first synchronous pulley through a synchronous belt, the transmission screw rod is screwed with a screw nut, the screw nut connects a lifting slider, and the lifting slider is connected with a lifting guide rod; Preferably, the middle of the front and back of the sleeve cup jig 10 is provided with a positioning guide sleeve 50, and the front and back of the sleeve cup seat mounting plate 92 is provided with a first positioning guide rod 94 corresponding to the position of the positioning guide sleeve 50; when the sleeve cup jig 10 is placed on the sleeve cup seat 93, the first positioning guide rod 94 penetrates the positioning guide sleeve 50; The residual liquid receiving disc 22 is mounted on a support 221, and the middle of the front and back of the residual liquid receiving disc 22 is provided with a second positioning guide rod 222; when the sleeve cup jig 10 is cleaned, the sleeve cup cleaning mechanism 83 carries the sleeve cup jig 10 to the position of the residual liquid receiving disc 22, and the second positioning guide rod 222 penetrates the positioning guide sleeve 50; The depth of one side of the residual liquid receiving disc 22 gradually increases to the depth of the other side, and a liquid discharge pipeline 223 is arranged at the bottom of the end with large depth of the residual liquid receiving disc 22.

[0036] Preferably, the standing mechanism 11 includes a cylinder body support 111, the cylinder body support 111 is provided with an upper cylinder body 112 and a lower cylinder body 113, the lower cylinder body 113 is provided with an adapter disc 114, the adapter disc 114 is provided with an adapter conveying line 115 and a limiting assembly 116, the limiting assembly 116 is located at the end of the adapter conveying line 115, and the upper cylinder body 112 and the lower cylinder body 113 are fixed through a tooth groove structure when buckling. The lower cylinder body 113 is rotatably connected to the adapter disc 114.

[0037] Preferably, a plurality of buckling teeth 1121 are arranged at the lower end opening edge of the upper cylinder body 112 in intervals, a plurality of limiting teeth 1131 are arranged at the inner edge of the lower cylinder body 113 in intervals, and a tooth groove 1132 is arranged between every two limiting teeth 1131. The cylinder body support 111 is also provided with a lower cylinder body rotation control air cylinder 117, the lower cylinder body rotation control air cylinder 117 is located at the outer side of the lower cylinder body 113, and the piston rod end of the lower cylinder body rotation control air cylinder 117 is connected to the outer side of the lower cylinder body 113.

[0038] Preferably, the cylinder body support 111 is also provided with two lifting control air cylinders 118 for controlling the lifting of the upper cylinder body 112, and the piston rod ends of the two lifting control air cylinders 118 are connected to the ear seat 1122 on the outer side of the upper cylinder body 112. The outer side of the upper cylinder body 112 is provided with a guide sleeve 1123, which is connected to a guide rod 1124 installed on the cylinder body support 111.

[0039] Preferably, when the upper cylinder body 112 is buckled with the lower cylinder body 113, the buckling teeth 1121 are inserted into the corresponding tooth grooves 1132. When the buckling teeth 1121 are completely inserted into the tooth grooves 1132, the lower cylinder body rotation control cylinder 117 controls the lower cylinder body 113 to rotate by a certain angle, so that the buckling teeth 1121 are located directly below the limiting teeth 1131, thereby limiting the movement of the upper cylinder body 112. The angle of clockwise rotation of the lower cylinder body 113 controlled by the lower cylinder body rotation control cylinder 117 is 5-10 degrees.

[0040] When the upper cylinder body 112 is separated from the lower cylinder body 113, the lower cylinder body rotation control cylinder 117 controls the lower cylinder body 113 to rotate in the opposite direction by a certain angle, so that the buckling teeth 1121 correspond to the tooth grooves 1132, and the lifting control cylinder 118 controls the upper cylinder body 112 to rise and open. The angle of counterclockwise rotation of the lower cylinder body 113 controlled by the lower cylinder body rotation control cylinder 117 is 5-10 degrees.

[0041] Preferably, the cylinder body support 111 is also provided with a vacuum extraction pipeline 119 and a pressurizing pipeline 1110. The vacuum extraction pipeline 119 and the pressurizing pipeline 1110 alternately extract vacuum and pressurize the cylinder body, which can accelerate the standing of the battery electrolyte.

[0042] Preferably, the adapter conveying line 115 includes two parallel roller mounting plates 1151, and the outer sides of the two roller mounting plates 1151 are each provided with an outer side plate 1152. A plurality of rollers 1153 are arranged on the two roller mounting plates 1151 and the two outer side plates 1152, and the height of the rollers on the outer side plate 1152 is greater than the height of the rollers on the roller mounting plate 1151.

[0043] Preferably, the limiting assembly 116 includes a limiting support 1161, and a plurality of baffles 1162 and sensors (not shown in the figure) are arranged on the limiting support 1161 at intervals. When the battery fixture 13 enters the limit position along the adapter conveying line 115, the sensor senses the position of the battery fixture.

[0044] Preferably, the upper end of the cylinder body support 111 is also provided with an upper locking mechanism 1112, which locks the upper cylinder body 112 when the upper cylinder body 112 rises to the limit height position.

[0045] Preferably, the locking mechanism 1112 comprises a locking cylinder 11121 and a locking fixed plate 11122, the locking fixed plate 11122 is provided with two limiting plates 11123, the two limiting plates 11123 are provided with a bolt hole, the upper end of the upper cylinder body 112 is provided with a lock plate 1125, the lock plate 1125 is provided with a through hole; one of the two limiting plates 11123 is provided with a position sensor, when the lock plate 1125 of the upper cylinder body extends into between the two limiting plates 11123, the position sensor senses the lock plate 1125, and the locking cylinder 11121 controls the piston rod to penetrate into the bolt hole and the through hole.

[0046] Preferably, the cylinder body support 111 is also provided with a plurality of guide wheel assemblies 1113 at intervals, and the plurality of guide wheel assemblies 1113 are arranged along the circumference of the lower cylinder body 113. The guide wheel assembly 1113 comprises a guide wheel support 11131, and a plurality of guide wheels 11132 are arranged at intervals on the guide wheel support 11131 and in contact with the outer side of the lower cylinder body 113.

[0047] Preferably, the nailing mechanism 12 comprises a rotating nailing mechanism 121 and a nail supply mechanism 122, the nail supply mechanism 122 takes rubber nails and arranges them on a rubber nail platform 123, the rotating nailing mechanism 121 takes a plurality of rubber nails from the rubber nail platform 123 at a time, and the rotating nailing mechanism 121 adopts the mode of rotating the rubber nails while pressing them when nailing. The rubber nail platform 123 is provided with nine rubber nail positioning holes 1231 arranged at intervals.

[0048] Preferably, the rotating nailing mechanism 121 comprises a first mounting support 1211, the first mounting support 1211 is provided with a horizontal movement servo module 1212, the horizontal movement servo module 1212 controls the movement of a lifting servo module 1213, the lifting servo module 1213 controls the movement of a lifting plate 1214, the lifting plate 1214 is provided with a front and rear control servo motor 1215, the bottom of the lifting plate 1214 is connected to a mounting plate 1216 through a sliding rail and a sliding block, the mounting plate 1216 is provided with a plurality of nail taking tubes 1217 arranged at intervals, the lower end of the nail taking tube 1217 extends from the mounting plate 1216, the upper end of the nail taking tube 1217 is provided with a synchronous wheel 1218, and adjacent two synchronous wheels 1218 are connected through a synchronous belt 1219. The output shaft of the front and rear control servo motor 1215 is connected to a lead screw, and the lead screw is connected to the mounting plate through a lead screw nut. The horizontal movement servo module 1212 and the lifting servo module 1213 each comprise a module profile, the module profile is provided with a transmission lead screw and a servo motor, the servo motor is connected to the transmission lead screw through a coupling, and the transmission lead screw is provided with a lead screw nut. The lead screw nut on the horizontal movement servo module 1212 is connected to the lifting servo module 1213, and the lead screw nut on the lifting servo module 1213 is connected to the lifting plate 1214.

[0049] Preferably, the mounting plate 1216 is also provided with two rotation control servo motors 1210, the output shafts of the two rotation control servo motors 1210 are provided with driving synchronous wheels, one of the two rotation control servo motors 1210 controls the rotation of the four nail taking tubes 1217, the other rotation control servo motor 1210 controls the rotation of the five nail taking tubes 1217, and the driving synchronous wheels are connected with the synchronous wheels 1218 on one of the nail taking tubes 1217 through a second synchronous belt.

[0050] Preferably, the corresponding surface of the rotation nail driving mechanism 121 is provided with a battery pressing positioning mechanism 124, the battery pressing positioning mechanism 124 is slidingly installed on a second mounting bracket 125, the second mounting bracket 125 is provided with a position adjusting assembly 126, and the position adjusting assembly 126 adjusts the position of the battery pressing positioning mechanism 124.

[0051] Preferably, the battery pressing positioning mechanism 124 comprises a vertical plate 1241, the vertical plate 1241 is provided with a battery pressing pneumatic cylinder 1242 and a linear guide rail 1243, the linear guide rail 1243 is connected with a sliding plate 1244 through a linear sliding block, the piston rod of the battery pressing pneumatic cylinder 1242 is connected with the sliding plate 1244, the sliding plate 1244 is provided with a second linear guide rail 1245, an upper air spring 1246 and a lower air spring 1247, and the second linear guide rail 1245 is connected with a pressing plate 1248 through a second linear sliding block.

[0052] Preferably, the position adjusting assembly 126 comprises an adjusting hand wheel 1261, the adjusting hand wheel 1261 is provided with a first pulley, the second mounting bracket 125 is provided with a second pulley, the second pulley is connected with the first pulley through a synchronous belt, and the battery pressing positioning mechanism 4 is connected with the synchronous belt through a connecting block.

[0053] Preferably, the nail supply mechanism 122 comprises a machine table 1221, the machine table 1221 is provided with a hopper 1222, a glue nail taking manipulator 1223 and a glue nail positioning screen plate 1224, the hopper 1222 is installed on a vibrator 1225, the glue nails falling from the hopper 1222 under vibration fall on the glue nail screen plate 1224, the glue nail taking manipulator 1223 takes three glue nails from the glue nail screen plate 1224 at a time and places them on a glue nail platform 123, and three times of taking are needed to place 9 glue nails on the glue nail platform 123.

[0054] Preferably, the upper portion of the machine table 1221 is provided with a camera 127, the camera 127 takes pictures of the glue nails on the glue nail screen plate 1224 to determine the positions of the glue nails, and sends the position information of the glue nails to the glue nail taking manipulator 1223, and the glue nail taking manipulator 1223 takes the glue nails according to the glue nail positions provided by the camera 127.

[0055] Preferably, the glue nail taking mechanical arm 1223 comprises an X-axis servo module 12231, a Y-axis servo module 12232 and a Z-axis servo module 12233, the X-axis servo module 12231 controls the movement of the Y-axis servo module 12232, the Y-axis servo module 12232 controls the movement of the Z-axis servo module 12233, and the Z-axis servo module 12233 controls the movement of the second lifting plate 12234, the bottom of the second lifting plate 12234 is provided with a nail taking suction pipe mounting plate, and three nail taking suction pipes are arranged on the nail taking suction pipe mounting plate in an interval. The X-axis servo module 12231, the Y-axis servo module 12232 and the Z-axis servo module 12233 all comprise a module profile, a transmission screw rod and a servo motor are arranged on the module profile, the transmission screw rod is connected with the servo motor through a shaft coupling, a screw nut is arranged on the transmission screw rod, the screw nut on the X-axis servo module 12231 is connected with the Y-axis servo module 12232, the screw nut on the Y-axis servo module 12232 is connected with the Z-axis servo module 12233, and the screw nut on the Z-axis servo module 12233 is connected with the second lifting plate.

[0056] While the embodiments of the application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A liquid injection production apparatus for a cylindrical power battery, characterized by, The battery injection mechanism cleaning mechanism comprises two corresponding first horizontal sliding rails, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup seat assembly located between the cup seat assembly and the cup seat assembly, a cup ​ ​ 2. The liquid injection production apparatus for cylindrical power batteries according to claim 1, characterized in that, The cup preparation mechanism comprises a vacuum plate and an upper mounting plate, the upper mounting plate is provided with a vacuum plate lifting control servo module and a liquid injection needle horizontal movement control servo module, the liquid injection needle horizontal movement control servo module controls the horizontal movement of the liquid injection needle mechanism, the two sides of the vacuum plate are respectively provided with side mounting plates, the side mounting plates are provided with a locking pin mechanism, the two ends of the upper mounting plate are respectively provided with horizontal movement control motors, the output shafts of the horizontal movement control motors are provided with gears, the two first horizontal movement rails are provided with racks, and the racks are in meshing transmission with the gears; The two ends of the cup jig are provided with lock seats matched with the locking pin mechanism, and the initial position of the cup jig is located on the cup seat; when the cup preparation mechanism moves to the position above the cup seat assembly, the vacuum plate lifting control servo module controls the vacuum plate to descend, the locking pin mechanism is locked on the lock seat, the vacuum plate lifting control servo module controls the vacuum plate to ascend to take out the cup jig and cover the cup jig on the battery jig; After the completion of liquid injection of the cup jig each time, the cup jig is carried back to the cup seat assembly by the cup preparation mechanism, the cup cleaning mechanism moves to the position of the cup seat assembly to take away the cup jig and carries the cup jig to the position above the residual liquid receiving disc, the cup cleaning mechanism cleans the residual liquid in the cup by blowing, and the cleaned residual liquid falls onto the residual liquid receiving disc for collection.

3. The liquid injection production apparatus for cylindrical power batteries according to claim 2, characterized in that, A plurality of cups are arranged on the cup jig at intervals, the bottom of each cup is provided with a cover, and a vacuum pipeline is arranged in each cup, the lower end of the vacuum pipeline extends from the bottom of the cup, and the upper end of the vacuum pipeline extends from the top of the cup, the upper end of the vacuum pipeline is provided with a spring and a butt joint. When the cup is sleeved on the battery of the battery jig, the lower end of the vacuum pipeline is inserted into the vacuum hole of the battery, the bottom of the cup is provided with a liquid outlet hole, and the top of the cup is provided with a liquid inlet hole, the liquid outlet hole is butt jointed with the liquid inlet hole on the battery; The two ends of the cup jig are respectively provided with U-shaped clamping seats, the U-shaped clamping seats are provided with limiting rods, the two sides of the battery jig are provided with elastic clamping hooks corresponding to the positions of the U-shaped clamping seats, and when the cup jig is butt jointed with the battery jig, the elastic clamping hooks are hooked on the limiting rods of the U-shaped clamping seats. The middle parts of the front and rear sides of the cup jig are respectively provided with alignment guide sleeves, the front and rear sides of the cup seat mounting plate are provided with first alignment guide rods corresponding to the positions of the alignment guide sleeves, and when the cup jig is placed on the cup seat, the first alignment guide rods are inserted into the alignment guide sleeves. The residual liquid receiving disc is mounted on a support, the middle parts of the front and rear sides of the residual liquid receiving disc are respectively provided with second alignment guide rods, when the cup jig is cleaned, the cup cleaning mechanism carries the cup jig to the position of the residual liquid receiving disc, and the second alignment guide rods are inserted into the alignment guide sleeves. The depth of one side of the residual liquid receiving disc gradually increases to the depth of the other side, and a liquid discharge pipeline is arranged at the bottom of the end with large depth.

4. The liquid injection production apparatus for cylindrical power batteries according to claim 3, characterized in that, The vacuum suction plate is provided with a plurality of vacuum suction nozzles arranged at intervals, the vacuum suction nozzles in the same row are connected to the same vacuum pipe, the bottom of each vacuum suction nozzle is provided with a butt joint and a second spring, and the butt joint can be butt-jointed with the butt joint of the vacuum pipe. The liquid injection needle mechanism comprises a cylinder mounting plate, a lifting control cylinder is arranged on the cylinder mounting plate, the lifting control cylinder controls the movement of a liquid injection pump mounting plate, a plurality of liquid injection pumps are arranged on the liquid injection pump mounting plate, each liquid injection pump is connected with a liquid injection needle, a plurality of liquid injection needle valve mounting plates are arranged on one side of the liquid injection pump mounting plate, three liquid injection needle valves are arranged at intervals on each liquid injection needle valve mounting plate, each liquid injection needle valve is connected with three liquid injection pumps, and when the liquid injection needle injects liquid, the liquid can enter the liquid injection needle perforation and be butt-jointed with the liquid inlet hole of the sleeve cup. The lock pin mechanism comprises an upper lock cylinder arranged on one side of the side mounting plate and a lock block arranged on the other side of the side mounting plate, a piston rod of the upper lock cylinder is connected to the middle part of the lock block, a lock pin is horizontally arranged at the lower end of the lock block, the lock pin is arranged on the side mounting plate, and the upper lock cylinder controls the movement of the lock block when the sleeve cup jig is taken and placed. The lock seat is provided with a pin hole, and the lock pin penetrates into the pin hole when the lock is locked.

5. The liquid injection production apparatus for cylindrical power batteries according to claim 1, characterized in that, The sleeve cup cleaning mechanism comprises a gas nozzle mounting plate and a second upper mounting plate, a plurality of air blowing nozzles are arranged at intervals on the gas nozzle mounting plate, second side plates are arranged on the two sides of the gas nozzle mounting plate, a second lock pin mechanism is arranged on the second side plate, the second lock pin mechanism has the same structure as the lock pin mechanism, a lifting control servo module is arranged in the middle part of the second upper mounting plate, the lifting control servo module controls the lifting of the gas nozzle mounting plate, and the number of the air blowing nozzles is the same as the number of the sleeve cups. Second horizontal movement control motors are arranged at the two ends of the second upper mounting plate, a second gear is arranged on the output shaft of each second horizontal movement control motor, the second gear is in meshing transmission with the rack, and the two second horizontal movement control motors control the movement of the sleeve cup cleaning mechanism at the same time. The lifting control servo module of the vacuum suction plate and the lifting control servo module both comprise a module profile, a transmission screw rod is arranged on the module profile, a first synchronous pulley is arranged at one end of the transmission screw rod, a lifting control motor mounting seat is arranged at the upper end of the module profile, a lifting control servo motor is arranged on the lifting control motor mounting seat, a second synchronous pulley is arranged on the output shaft of the lifting control servo motor, the second synchronous pulley is connected with the first synchronous pulley through a synchronous belt, a screw rod nut is screwed on the transmission screw rod, the screw rod nut is connected with a lifting sliding block, and a lifting guide rod is connected to the lifting sliding block.

6. The liquid injection production apparatus for cylindrical power batteries according to claim 1, characterized in that, The standing mechanism comprises a cylinder body support, an upper cylinder body and a lower cylinder body are arranged on the cylinder body support, a transfer disc is arranged in the lower cylinder body, a transfer conveying line and a limiting component are arranged on the transfer disc, the limiting component is located at the end of the transfer conveying line, and the upper cylinder body and the lower cylinder body are fixed through a tooth groove structure when they are buckled. The lower end opening edge of the upper cylinder body is provided with a plurality of buckling convex teeth at intervals, and the inner side edge of the lower cylinder body is provided with a plurality of limiting convex teeth at intervals, and a tooth groove is arranged between every two limiting convex teeth; The cylinder body support is further provided with a lower cylinder body rotation control air cylinder, which is located on the outer side of the lower cylinder body, and the piston rod end of the lower cylinder body rotation control air cylinder is connected to the outer side of the lower cylinder body; The cylinder body support is further provided with two lifting control air cylinders for controlling the lifting of the upper cylinder body, and the piston rod ends of the two lifting control air cylinders are connected to the ear seats on the outer side of the upper cylinder body; The outer side of the upper cylinder body is covered with a guide sleeve, the guide sleeve is connected to a guide rod, and the guide rod is installed on the cylinder body support; The cylinder body support is further provided with a vacuum extraction pipeline and a pressurizing pipeline.

7. The liquid injection production apparatus for cylindrical power batteries according to claim 6, characterized in that, When the upper cylinder body is buckled with the lower cylinder body, the buckling convex teeth are embedded in the positions corresponding to the tooth grooves, when the buckling convex teeth are completely embedded in the tooth grooves, the lower cylinder body rotation control air cylinder controls the rotation of the lower cylinder body by a certain angle, so that the buckling convex teeth are located directly below the limiting convex teeth, and the movement of the upper cylinder body is limited; When the upper cylinder body is separated from the lower cylinder body, the lower cylinder body rotation control air cylinder controls the rotation of the lower cylinder body in the opposite direction by a certain angle, so that the buckling convex teeth correspond to the tooth grooves, and the lifting control air cylinder controls the lifting of the upper cylinder body to be opened.

8. The liquid injection production apparatus for cylindrical power batteries according to claim 7, characterized in that, The adapter conveying line comprises two parallel roller mounting plates, the outer sides of the two roller mounting plates are provided with outer side plates, a plurality of rollers are arranged on the two roller mounting plates and the two outer side plates, and the height of the rollers on the outer side plates is greater than the height of the rollers on the roller mounting plates; The limiting assembly comprises a limiting support, a plurality of baffles and sensors are arranged at intervals on the limiting support, and the sensors sense the position of the battery fixture when the battery fixture enters the limit position along the adapter conveying line; The upper end of the cylinder body support is further provided with an upper locking mechanism, the upper locking mechanism locks the upper cylinder body when the upper cylinder body is lifted to the limit height position, the upper locking mechanism comprises an upper locking air cylinder and an upper locking fixed plate, two limiting plates are arranged on the upper locking fixed plate, a bolt hole is arranged on each of the two limiting plates, the upper end of the upper cylinder body is provided with a lock plate, and a through hole is arranged on the lock plate, a position sensor is arranged on one of the limiting plates, the position sensor senses the lock plate when the lock plate of the upper cylinder body is inserted between the two limiting plates, and the piston rod of the upper locking air cylinder penetrates into the bolt hole and the through hole; A plurality of guide wheel assemblies are further arranged at intervals on the cylinder body support, and the plurality of guide wheel assemblies are arranged along the circumference of the lower cylinder body; The guide wheel assembly comprises a guide wheel support, a plurality of guide wheels are arranged at intervals on the guide wheel support, and the guide wheels are in contact with the outer side of the lower cylinder body.

9. The liquid injection production apparatus for cylindrical power batteries according to claim 1, characterized in that, The nailing mechanism comprises a rotary nailing mechanism and a nail supply mechanism, the nail supply mechanism takes rubber nails and arranges them on a rubber nail platform, the rotary nailing mechanism takes a plurality of rubber nails from the rubber nail platform at a time, and the rotary nailing mechanism adopts the mode of rotating the rubber nails while pressing them down when nailing. The rotating nail hitting mechanism comprises a first mounting bracket, a horizontal movement servo module is arranged on the first mounting bracket, the horizontal movement servo module controls the movement of a lifting servo module, the lifting servo module controls the movement of a lifting plate, a front and back control servo motor is arranged on the lifting plate, the bottom of the lifting plate is connected with a mounting plate through a sliding rail and a sliding block, a plurality of nail taking tubes are arranged on the mounting plate in an interval, the lower end of the nail taking tube extends from the mounting plate, the upper end of the nail taking tube is provided with a synchronous wheel, and adjacent two synchronous wheels are connected through a synchronous belt; Two rotating control servo motors are further arranged on the mounting plate, the output shafts of the two rotating control servo motors are provided with driving synchronous wheels, one of the rotating control servo motors controls the rotation of four nail taking tubes, the other rotating control servo motor controls the rotation of five nail taking tubes, and the driving synchronous wheels are connected with the synchronous wheels on one of the nail taking tubes through a second synchronous belt.

10. The liquid injection production apparatus for cylindrical power batteries according to claim 9, characterized in that, A battery pressing positioning mechanism is arranged on the corresponding surface of the rotating nail hitting mechanism, the battery pressing positioning mechanism is slidingly installed on a second mounting bracket, a position adjusting assembly is arranged on the second mounting bracket, and the position adjusting assembly adjusts the position of the battery pressing positioning mechanism. The battery pressing positioning mechanism comprises a vertical plate, a battery pressing cylinder and a linear guide rail are arranged on the vertical plate, the linear guide rail is connected with a sliding plate through a linear sliding block, the piston rod of the battery pressing cylinder is connected to the sliding plate, a second linear guide rail, an upper air spring and a lower air spring are arranged on the sliding plate, and the second linear guide rail is connected with a pressing plate through a second linear sliding block. The position adjusting assembly comprises an adjusting hand wheel, a first pulley is arranged on the adjusting hand wheel, a second pulley is arranged on the second mounting bracket, the second pulley is connected with the first pulley through a synchronous belt, and the battery pressing positioning mechanism is connected to the synchronous belt through a connecting block. The nail supply mechanism comprises a machine table, a hopper, a glue nail taking manipulator and a glue nail positioning net plate are arranged on the machine table, the hopper is installed on a vibrator, the glue nails falling from the hopper under vibration fall on the glue nail net plate, the glue nail taking manipulator takes three glue nails from the glue nail net plate at a time and places the glue nails on the glue nail platform; A camera is arranged above the machine table, the camera takes pictures of the glue nails on the glue nail net plate to determine the positions of the glue nails, and sends the position information of the glue nails to the glue nail taking manipulator, and the glue nail taking manipulator takes the glue nails according to the glue nail positions provided by the camera; The glue nail taking manipulator comprises an X-axis servo module, a Y-axis servo module and a Z-axis servo module, the X-axis servo module controls the movement of the Y-axis servo module, the Y-axis servo module controls the movement of the Z-axis servo module, the Z-axis servo module controls the movement of a second lifting plate, and the bottom of the second lifting plate is provided with a nail taking suction tube mounting plate, and three nail taking suction tubes are arranged on the nail taking suction tube mounting plate in an interval.

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