A highly efficient and automated lithium battery riveting equipment

By designing an efficient automatic lithium battery riveting equipment including a six-station assembly device, a bench-top punching machine, a rivet assembly device and a material picking robot, the problem of low level of lithium battery production automation in the prior art is solved, and efficient automatic assembly and labor saving of lithium batteries are achieved.

CN111421096BActive Publication Date: 2025-03-14SUZHOU LANGKUN AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202010206474.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-03-23
Publication Date
2025-03-14
Estimated Expiration
2040-03-23

AI Technical Summary

Technical Problem

The existing lithium battery production automation level is not high, requiring multiple positioning and manual participation, which is a large amount of labor, resulting in inefficiency.

Method used

An efficient automatic lithium battery riveting equipment is designed, including a six-station assembly device, a bench-top punching machine, a rivet assembly device and a material picking robot. Through the coordinated work of these devices, the automatic assembly of lithium batteries is realized.

Benefits of technology

The equipment can efficiently and automatically assemble lithium batteries, replace single equipment and labor, save labor and improve production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a highly efficient and automated lithium battery riveting device, which comprises a six-station assembly device, a table punch, a rivet assembly device and a material-retrieving manipulator fixed on a frame, and a riveting mechanism is provided for the material-retrieving manipulator to be docked, and the table punch, the rivet assembly device and the material-retrieving manipulator are arranged around the six-station assembly device, and the riveting mechanism comprises a cover plate placement device, a guide plate placement manipulator, a punch installation device, a pre-pressing manipulator and a discharge manipulator arranged around a turntable device. In the above manner, the present invention has a compact structure and stable operation, and can replace a single device and manual efficient automatic assembly products, saving labor.
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Description

Technical Field

[0001] The invention relates to the technical field of mechanical manufacturing, and in particular to a high-efficiency automated lithium battery riveting device. Background Art

[0002] With the development of society and the advancement of science and technology, mechanical automation production has become a development trend, and has gradually replaced traditional manual labor, injecting a new source of power into the sustainable development of enterprises. Therefore, battery production and manufacturing companies also need to keep pace with the times, improve the company's "smart manufacturing" level, and achieve sustainable development. In the production and manufacturing process of lithium batteries, punching, positive and negative electrode column assembly, cap assembly, riveting, cover plate assembly and punching sheet assembly are required to make lithium batteries. However, the existing level of automation in lithium battery production is not high. Through multiple independent processing equipment and manual use, lithium batteries need to be positioned multiple times, and the labor workload is large. Based on the above defects and deficiencies, it is necessary to improve the existing technology and design a high-efficiency automated lithium battery riveting equipment. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide a highly efficient and automated lithium battery riveting device with a compact structure and stable operation, which can replace single equipment and manual high-efficiency automatic assembly of products and save labor.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a high-efficiency automated lithium battery riveting equipment, which includes a six-station assembly device fixed on a frame, a desktop punch, a rivet assembly device and a material picking robot, and the material picking robot is connected to a riveting mechanism. The desktop punch, rivet assembly device and material picking robot are arranged around the six-station assembly device, and the riveting mechanism includes a cover plate placing device, a guide plate placing robot, a punch installation device, a pre-pressing robot and a unloading robot arranged around a turntable device.

[0005] Preferably, the six-station assembly device includes a cam divider, a turntable, a battery cell carrier, a positioning component, an opening and closing component, a clamping component and a fixed plate, the output end of the cam divider is equipped with a turntable, the top of the cam divider is equipped with a fixed plate, six groups of battery cell carriers are arranged in an array on the turntable, corresponding positioning components are arranged on the frame below the battery cell carrier, and two groups of opening and closing components and one group of clamping components are installed on the fixed plate; the battery cell carrier includes a shaft sleeve, a connecting shaft, a mounting plate, a connecting plate, a limit block, a closed cover plate, a hook and a positioning sleeve, four bearings are fixed on the shaft sleeve, a connecting shaft is installed in the shaft sleeve, a mounting plate is installed on the upper end of the connecting shaft, a connecting plate is installed on the lower end of the connecting shaft, a limit block is installed on the upper end of the mounting plate, the mounting plate between the limit blocks is used to place lithium battery cells, one end of the mounting plate is connected to a closed cover plate by a pin shaft, two closed cover plates are installed on the upper end surface of the closed cover plate, and the connecting plate Two positioning sleeves are installed; the positioning assembly includes a positioning bracket, a lifting cylinder, a lifting frame, a positioning pin and a limit column. The lifting cylinder is installed on the bottom plate of the positioning bracket, and the lifting frame is installed on the top plate of the positioning bracket. The telescopic rod of the lifting cylinder is fixedly connected to the lifting frame, and a positioning pin opposite to the positioning sleeve is installed on the top plate of the lifting frame. The bottom of the top plate of the positioning bracket is installed with a limit column opposite to the lifting frame; the opening and closing assembly includes a transversely arranged opening and closing cylinder, a connecting rod fixed on the telescopic flange plate of the opening and closing cylinder, the connecting rod cooperates with the hook, the telescopic rod of the opening and closing cylinder contracts to drive the closing cover plate to open, and the telescopic rod of the opening and closing cylinder extends to drive the closing cover plate to close; the clamping assembly includes a clamping bracket, a clamping cylinder, a pressing plate and a pressing block. The clamping bracket is fixed on the turntable, the clamping bracket is installed with a clamping cylinder, the telescopic rod of the clamping cylinder is installed with a pressing plate, and two pressing blocks are installed at the lower end of the pressing plate, and the pressing blocks are made of soft material.

[0006] Preferably, the rivet assembly device includes an electrode column feeding unit, a cap feeding unit and a suction manipulator, the electrode column feeding unit and the cap feeding unit are arranged to point to the battery carrier, the suction manipulator is arranged on the fixed plate, the electrode column feeding unit includes an electrode column vibration disk, an electrode column mounting plate, an in-place sensor, a clamping manipulator and a secondary positioning component, the two discharge ports of the electrode column vibration disk are butt-jointed with an electrode column mounting plate, the electrode column mounting plate is provided with a mounting hole matching therewith, the brackets on both sides of the mounting hole are provided with in-place sensors, a clamping manipulator on a fixed bracket is arranged above the electrode column mounting plate, and the bracket A secondary positioning component is also installed on the front side. The clamping robot grabs the electrode column on the electrode column mounting plate and places it on the secondary positioning component. The secondary positioning component includes a linear slide rail, a push plate, a lifting cylinder, a lifting plate, a guide rod and a positioning module. The slider of the linear slide rail is equipped with a push plate, and the push plate is equipped with a lifting cylinder. The lifting plate is installed on the telescopic rod of the lifting cylinder. The lifting plate is connected to the push plate guide through the guide rod, and two positioning modules are installed on the lifting plate. The positioning module is provided with an electrode column mounting groove, the positioning module is externally connected to an air suction device, and the electrode column mounting groove is set with a negative pressure to prevent the electrode column from tilting and crooked during riveting.

[0007] Preferably, the cap feeding unit comprises a cap vibrating disk, a feeding bracket, a cutting cylinder, a cutting plate, an in-place optical fiber, a lifting cylinder, a lifting plate and a lifting rod. The two discharge holes of the cap vibrating disk are butt-jointed with a feeding bracket, a cutting cylinder and a slidable cutting plate are transversely arranged on the feeding bracket, the telescopic rod of the cutting cylinder is fixedly connected to the cutting plate, two cutting openings opposite to the discharge port are arranged on the cutting plate, an in-place optical fiber pointing to the cutting plate is installed on the cutting plate, two lifting holes are also arranged on the feeding bracket, a lifting cylinder is installed in the middle of the feeding bracket, a lifting plate is installed on the telescopic rod of the lifting cylinder, two vertical lifting rods are installed on the lifting plate, and the upper part of the lifting rod is inserted into the lifting hole, the cap in the cap vibrating disk is transported to the cutting opening, the in-place optical fiber detects the cap, the telescopic rod of the cutting cylinder extends to slide the cutting plate, and the cutting plate slides to push the cap at the cutting opening into the cutting opening.

[0008] Preferably, the suction manipulator comprises a suction bracket, a pen-shaped cylinder, a suction slide rail, a movable plate, a first lifting cylinder, a second lifting cylinder, a suction lifting plate and a suction head assembly, the suction bracket crossbeam is laterally mounted with a pen-shaped cylinder and a suction slide rail, the sliding block of the suction slide rail is mounted with a movable plate, the telescopic rod of the pen-shaped cylinder is mounted with a movable plate, the mobile plate is mounted with a first lifting cylinder, the telescopic rod of the first lifting cylinder is mounted with a second lifting cylinder, the telescopic rod of the second lifting cylinder is mounted with a suction lifting plate, and the suction Two groups of suction head assemblies are installed on the material lifting plate; the suction head assembly includes a suction nozzle, a positioning column, a buffer spring and an air pipe joint. The suction nozzle is fixed to the bottom surface of the material lifting plate, and a stepped hole is provided axially with the suction nozzle, a positioning column is installed in the stepped hole, a buffer spring is installed in the stepped hole above the positioning column, and both ends of the buffer spring are respectively against the material lifting plate and the positioning column. The lower end of the suction nozzle is conical, and a cap mounting hole is provided at the lower end of the suction nozzle, and an annular hole is provided above the cap mounting hole and connected thereto, and an air pipe joint connected to the annular hole is installed at the side end of the suction nozzle.

[0009] Preferably, the material picking robot comprises a material picking bracket, a single-axis drive, a mobile frame, a push-pull cylinder, a mobile push plate, a guide rail, a material picking lifting cylinder, a turntable cylinder and a grabbing assembly, the single-axis drive is installed on the top plate of the material picking bracket, the mobile frame is installed on the sliding block of the single-axis drive, a push-pull cylinder is laterally arranged on the rear side of the mobile frame, the telescopic rod of the push-pull cylinder drives the mobile push plate to move, the mobile push plate is slidably connected to the mobile frame through the guide rail, the material picking lifting cylinder is installed on the mobile push plate, the turntable cylinder is installed on the telescopic flange plate of the material picking lifting cylinder, and the grabbing assembly is installed on the turntable of the turntable cylinder; the grabbing assembly It includes a grabbing mounting plate, a two-way cylinder, a material picking connecting plate, a material picking splint, an anti-rotation limit plate, a limit bolt and a limit block. The grabbing mounting plate is fixed on the turntable of the turntable cylinder. Two two-way cylinders are installed on the lower side of the grabbing mounting plate. The two sliding blocks of the two-way cylinder are installed with a material picking connecting plate. Relative material picking splints are installed on the two material picking connecting plates. Support parts are horizontally arranged inwardly at the bottom of the two material picking splints. The support parts are used to place battery cells. Anti-rotation limit plates are installed at the front and rear ends of the two-way cylinder. The anti-rotation limit plates are set to prevent the battery cells from rotating. Limit bolts and limit blocks are respectively installed at the lower ends of the two material picking connecting plates, and the limit bolts and limit blocks are relatively arranged.

[0010] Preferably, the punch installation device includes a punch vibration disk, a feeding bracket, a gasket carrier, a positioning assembly and a suction unit. The feeding bracket is fixed with a gasket carrier, and two gasket installation grooves are provided on the gasket carrier. The gasket installation grooves are connected with the two discharge holes of the punch vibration disk. The feeding bracket is also equipped with a positioning assembly, and the suction unit transports the punch at the positioning assembly to the fixture at the turntable device; the positioning assembly includes a positioning bracket, a rotating positioning plate, a positioning pin, a slide cylinder, a slide plate, a follower bearing, a follower block, a positioning column, a pressure plate cylinder and a pressure plate. The positioning bracket is arranged on the feeding bracket, and the top plate of the positioning bracket A rotating positioning plate is installed on the top, and two semicircular positioning grooves are provided on the rotating positioning plate, and a positioning pin is provided in the middle of the semicircular positioning grooves, a sliding cylinder is installed on the bottom plate of the positioning bracket, and a slide plate is installed on the slide of the sliding cylinder, and a follower bearing is installed on the bottom plate of the positioning bracket on the front side of the slide cylinder, and a rotatable follower block is inserted in the follower bearing, and the slide plate and the follower block are movably connected at one end by a pin shaft, and a positioning column is vertically inserted at the other end of the follower block, and an arc hole matching the positioning column is provided in the semicircular positioning groove, and a pressure plate cylinder is installed on the side end of the positioning bracket, and a pressure plate is installed on the telescopic rod of the pressure plate cylinder, and the pressure plate is located on the rotating positioning plate.

[0011] Preferably, the suction unit comprises a transposition bracket, a transverse single-axis driver, a suction moving frame, a suction slide rail, a suction lifting cylinder, a suction lifting plate and a suction assembly, the transverse single-axis driver is installed on the crossbeam of the transposition bracket, the suction moving frame is installed on the sliding block of the transverse single-axis driver, the suction moving frame is slidably connected to the transposition bracket through the suction slide rail, the suction moving frame is installed with a suction lifting cylinder, the suction lifting plate is installed on the telescopic rod of the suction lifting cylinder, and the suction assembly is installed on the suction lifting plate; the suction assembly comprises a suction bushing , a suction rod, a suction connecting plate, a fixing clamp, a connecting column, a suction limit block and a buffer spring. Two suction bushings are fixed on the suction lifting plate. The suction rod is installed in the suction bushing. A suction connecting plate is installed on the top of the suction rod. A fixing clamp is installed on the suction rod. The two fixing clamps are connected by a connecting column. A suction limit block is also installed on the suction lifting plate. An avoidance hole is provided on the suction limit block. The connecting column passes through the avoidance hole. A buffer spring is sleeved on the suction rod between the fixing clamp and the suction connecting plate. The suction rod is externally connected to an air suction device. The suction component is elastically arranged to avoid damage to the product.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The six-station assembly device can provide multiple installation stations, secondary positioning of the cell carrier and positioning components to ensure installation accuracy;

[0014] The rivet assembly device is set up to automatically rivet the electrode column and the cap;

[0015] The setting of secondary positioning components and negative pressure setting of electrode column installation groove can prevent the electrode column from tilting when riveting;

[0016] To ensure that the product is not damaged and cannot be clamped, the retrieving robot can prevent the product from rotating during the grasping process;

[0017] The setting of the punching sheet installation device can locate the punching sheet direction and ensure the installation angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a highly efficient and automated lithium battery riveting equipment.

[0019] Figure 2 This is a schematic diagram of the structure of a six-station assembly device for a highly efficient and automated lithium battery riveting equipment.

[0020] Figure 3 This is a partial structural schematic diagram of a six-station assembly device for a highly efficient automated lithium battery riveting equipment.

[0021] Figure 4 This is a schematic diagram of the partial structure of a six-station assembly device for a highly efficient and automated lithium battery riveting equipment.

[0022] Figure 5 This is a schematic diagram of the structure of a rivet assembly device for a highly efficient and automated lithium battery riveting equipment.

[0023] Figure 6 This is a schematic diagram of the structure of the electrode column feeding unit of a high-efficiency automated lithium battery riveting equipment.

[0024] Figure 7 This is a schematic diagram of the partial structure of the cap feeding unit of a highly efficient and automated lithium battery riveting equipment.

[0025] Figure 8 This is a schematic diagram of the structure of a suction robot for a highly efficient and automated lithium battery riveting equipment.

[0026] Fig. 9 This is a schematic diagram of the suction head assembly structure of a highly efficient and automated lithium battery riveting device.

[0027] Fig.10 This is a schematic diagram of the structure of a material-retrieving robot for a highly efficient and automated lithium battery riveting equipment.

[0028] Fig.11 This is a schematic diagram of the grabbing component structure of a highly efficient and automated lithium battery riveting equipment.

[0029] Fig.12 This is a structural schematic diagram of a punching installation device for a highly efficient and automated lithium battery riveting equipment.

[0030] Fig.13 for Fig.12 Partial enlargement of Figure A.

[0031] Fig.14 This is a schematic diagram of the positioning component structure of a highly efficient and automated lithium battery riveting equipment.

[0032] Fig.15 This is a schematic diagram of the structure of the suction component of a high-efficiency automated lithium battery riveting equipment.

[0033] Fig.16 This is a schematic diagram of the product structure. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0035] See also Figures 1 to 16 , the embodiment of the present invention includes:

[0036] A high-efficiency automated lithium battery riveting equipment, the high-efficiency automated lithium battery riveting equipment comprising a six-station assembly device 2 fixed on a frame 1, a desktop punch 3, a rivet assembly device 4 and a material picking robot 5, the material picking robot 5 is docked with a riveting mechanism 6, the desktop punch 3, the rivet assembly device 4 and the material picking robot 5 are arranged around the six-station assembly device 2, the riveting mechanism 6 comprises a cover plate placement device 62 arranged around a turntable device 61, a guide plate placement robot 63, a punch installation device 64, a pre-pressing robot 65 and a unloading robot 66.

[0037] The six-station assembly device 2 includes a cam divider 21, a turntable 22, a cell carrier 23, a positioning assembly 24, an opening and closing assembly 25, a clamping assembly 26 and a fixing plate 27. The output end of the cam divider 21 is equipped with a turntable 22, and the top of the cam divider 21 is equipped with a fixing plate 27. Six groups of cell carriers 23 are arranged in an array on the turntable 22. The frame 1 below the cell carrier 23 is provided with a corresponding positioning assembly 24. The fixing plate 27 is equipped with two groups of opening and closing assemblies 25 and one group of clamping assemblies 26. The cell carrier 23 includes a shaft sleeve 231, a connecting shaft 232, a mounting plate 233, a connecting plate 234, a limit block 235, a closed cover plate 236, a hook 237 and a positioning sleeve 238, four bearings 231 are fixed on the shaft sleeve 231, a connecting shaft 232 is installed in the shaft sleeve 231, a mounting plate 233 is installed on the upper end of the connecting shaft 232, a connecting plate 234 is installed on the lower end of the connecting shaft 232, a limit block 235 is installed on the upper end of the mounting plate 233, and the mounting plate 233 between the limit blocks 235 is used to place lithium battery cells, one end of the mounting plate 233 is connected to a closed cover plate 236 through a pin shaft, and two closed cover plates 236 are installed on the upper end surface of the closed cover plate 236, and two positioning sleeves 238 are installed on the connecting plate 234. 38; The positioning assembly 24 includes a positioning bracket 241, a lifting cylinder 242, a lifting frame 243, a positioning pin 244 and a limiting column 245. The lifting cylinder 242 is installed on the bottom plate of the positioning bracket 241, and the lifting frame 243 is installed on the top plate of the positioning bracket 241. The telescopic rod of the lifting cylinder 242 is fixedly connected to the lifting frame 243. The top plate of the lifting frame 243 is installed with a positioning pin 244 opposite to the positioning sleeve 238, and the bottom of the top plate of the positioning bracket 241 is installed with a limiting column 245 opposite to the lifting frame 243; The opening and closing assembly 25 includes a transversely arranged opening and closing cylinder 251, which is fixed to the opening and closing cylinder 25 1, the connecting rod 252 on the telescopic flange plate, the connecting rod 252 cooperates with the hook 237, the telescopic rod of the opening and closing cylinder 251 contracts to drive the closing cover 236 to open, and the telescopic rod of the opening and closing cylinder 251 extends to drive the closing cover 236 to close; the clamping assembly 26 includes a clamping bracket 261, a clamping cylinder 262, a pressing plate 263 and a pressing block 264, the clamping bracket 261 is fixed on the turntable 22, the clamping bracket 261 is equipped with a clamping cylinder 262, the telescopic rod of the clamping cylinder 262 is equipped with a pressing plate 263, and two pressing blocks 264 are installed at the lower end of the pressing plate 263, and the pressing blocks 264 are made of soft material.

[0038] The rivet assembly device 4 includes an electrode column feeding unit 41, a cap feeding unit 42 and a suction manipulator 43. The electrode column feeding unit 41 and the cap feeding unit 42 are arranged to point to the battery carrier 23, and the suction manipulator 43 is arranged on the fixed plate 27. The electrode column feeding unit 41 includes an electrode column vibration disk 411, an electrode column mounting plate 412, an in-place sensor 413, a clamping manipulator 414 and a secondary positioning component 415. The two discharge ports of the electrode column vibration disk 411 are connected to the electrode column mounting plate 412, and the electrode column mounting plate 412 is provided with a mounting hole matching therewith. The in-place sensors 413 are installed on the brackets on both sides of the mounting hole. A clamping manipulator 414 on a fixed bracket is arranged above the electrode column mounting plate 412, and a secondary positioning component 415 is also installed on the front side of the bracket. 14 Grab the electrode column on the electrode column mounting plate 412 and place it on the secondary positioning assembly 415; the secondary positioning assembly 415 includes a linear slide 4151, a push plate 4152, a lifting cylinder 4153, a lifting plate 4154, a guide rod 4155 and a positioning module 4156, the slider of the linear slide 4151 is equipped with a push plate 4152, the push plate 4152 is equipped with a lifting cylinder 4153, the lifting plate 4154 is installed on the telescopic rod of the lifting cylinder 4153, the lifting plate 4154 is guided and connected to the push plate 4152 through the guide rod 4155, and two positioning modules 4156 are installed on the lifting plate 4154, the positioning module 4156 is provided with an electrode column mounting groove, the positioning module 4156 is externally connected to a suction device, and the electrode column mounting groove is set with a negative pressure to prevent the electrode column from tilting and crooked during riveting.

[0039] The cap feeding unit 42 includes a cap vibrating material tray 421, a feeding bracket 422, a cutting cylinder 423, a cutting plate 424, an in-position optical fiber 425, a pushing cylinder 426, a pushing plate 427 and a pushing rod 428. The two discharge holes of the cap vibrating material tray 421 are connected to the feeding bracket 422, and the feeding bracket 422 is horizontally provided with a cutting cylinder 423 and a slidable cutting plate 423. The telescopic rod of the cutting cylinder 423 is fixedly connected to the cutting plate 424, and two cutting openings 4240 opposite to the discharge port are provided on the cutting plate 424. The optical fiber 425 is in place, and two ejection holes 4220 are also provided on the feeding bracket 422. A ejection cylinder 426 is installed in the middle of the feeding bracket 422, and a ejection plate 427 is installed on the telescopic rod of the ejection cylinder 426. Two vertical ejection rods 428 are installed on the ejection plate 427. The upper parts of the ejection rods 428 are inserted into the ejection holes 4220, and the caps are transported to the cutting opening 4240 in the cap vibrating plate 421. The in-place optical fiber 425 detects the caps, and the telescopic rod of the cutting cylinder 423 extends the cutting plate 424 to slide, and the cutting plate 424 slides to push the caps at the cutting opening 4240 into the cutting opening 4240.

[0040] The suction manipulator 43 includes a suction bracket 431, a pen-shaped cylinder 432, a suction slide rail 433, a movable plate 434, a first lifting cylinder 435, a second lifting cylinder 436, a suction lifting plate 437 and a suction head assembly 438. The pen-shaped cylinder 432 and the suction slide rail 433 are horizontally installed on the crossbeam of the suction bracket 431, the movable plate 434 is installed on the slider of the suction slide rail 433, the movable plate 434 is installed on the telescopic rod of the pen-shaped cylinder 432, the first lifting cylinder 435 is installed on the movable plate 434, the second lifting cylinder 436 is installed on the telescopic rod of the first lifting cylinder 435, the suction lifting plate 437 is installed on the telescopic rod of the second lifting cylinder 436, and two groups of suction head assemblies 438 are installed on the suction lifting plate 437. ; The suction head assembly 438 includes a suction nozzle 4381, a positioning column 4382, a buffer spring 4383 and an air pipe joint 4384. The suction nozzle 4381 is fixed to the bottom surface of the material suction lifting plate 437. The suction nozzle 4381 is axially provided with a stepped hole 43811, in which a positioning column 4382 is installed, and in the stepped hole above the positioning column 4382 is installed a buffer spring 4383, and the two ends of the buffer spring 4383 are respectively against the material suction lifting plate 437 and the positioning column 4382. The lower end of the suction nozzle 4381 is conical, and a cap mounting hole 43812 is provided at the lower end of the suction nozzle 4381, and a circular hole 43813 is provided above the cap mounting hole 43812 and communicated with the cap mounting hole 43812, and an air pipe joint 4384 communicating with the circular hole 43813 is installed at the side end of the suction nozzle 4381.

[0041] The material picking manipulator 5 includes a material picking bracket 51, a single-axis driver 52, a mobile frame 53, a push-pull cylinder 54, a mobile push plate 55, a guide rail 56, a material picking lifting cylinder 57, a turntable cylinder 58 and a grabbing assembly 59. The single-axis driver 52 is installed on the top plate of the material picking bracket 51, and the mobile frame 53 is installed on the sliding block of the single-axis driver 52. The push-pull cylinder 54 is laterally arranged on the rear side of the mobile frame 53. The telescopic rod of the push-pull cylinder 54 drives the mobile push plate 55 to move. The mobile push plate 55 is slidably connected to the mobile frame 53 through the guide rail 56. The material picking lifting cylinder 57 is installed on the mobile push plate 55. The turntable cylinder 58 is installed on the telescopic flange plate of the material picking lifting cylinder 57. The grabbing assembly 59 is installed on the turntable of the turntable cylinder 58; the grabbing assembly 59 includes a grabbing mounting plate 591, a two-way cylinder 592, material picking connecting plate 593, material picking clamping plate 594, anti-rotation limit plate 595, limit bolt 596 and limit block 597, the grabbing mounting plate 591 is fixed on the turntable of the turntable cylinder 58, and two bidirectional cylinders 592 are installed on the lower side of the grabbing mounting plate 591, and the two sliding blocks of the bidirectional cylinder 592 are installed with the material picking connecting plate 593, and the two material picking clamping plates 594 are installed on the two material picking connecting plates 593. Relative, a support part 594 is arranged horizontally inwardly at the bottom of the two material picking clamping plates 594, and the support part 5940 is used to place the battery cell, and anti-rotation limit plates 595 are installed at the front and rear ends of the bidirectional cylinder 592. The anti-rotation limit plate 595 is arranged to prevent the battery cell from rotating, and the lower ends of the two material picking connecting plates 593 are respectively installed with limit bolts 596 and limit blocks 597, and the limit bolts 596 and the limit blocks 597 are arranged relatively.

[0042] The punching sheet installation device 64 includes a punching sheet vibrating material disk 641, a feeding bracket 642, a gasket carrier 643, a positioning component 644 and a suction unit 645. The feeding bracket 642 is fixed with a gasket carrier 643, and the gasket carrier 643 is provided with two gasket installation grooves 6430. The gasket installation grooves 6430 are connected to the two discharge holes of the punching sheet vibrating material disk 641. The feeding bracket 642 is also equipped with a positioning component 644. The suction unit 645 fixes the positioning component The punching sheet at 644 is transported to the fixture at the turntable device 61; the positioning assembly 644 includes a positioning bracket 6441, a rotating positioning plate 6442, a positioning pin 6443, a slide cylinder 6444, a slide plate 6445, a follower bearing 6446, a follower block 6447, a positioning column 6448, a pressure plate cylinder 6449 and a pressure plate 64410. The positioning bracket 6441 is arranged on the feeding bracket 642, and a rotating plate is installed on the top plate of the positioning bracket 6441. The rotating positioning plate 6442 is provided with two semicircular positioning grooves 6440, a positioning pin 6443 is provided in the middle of the semicircular positioning groove 6440, a slide cylinder 6444 is installed on the bottom plate of the positioning bracket 6441, a slide plate 6445 is installed on the slide of the slide cylinder 6444, a follower bearing 6446 is installed on the bottom plate of the positioning bracket 6441 on the front side of the slide cylinder 6444, and a rotatable follower is inserted in the follower bearing 6446 Block 6447, slide plate 6445 and one end of follower block 6447 are movably connected by a pin shaft, and a positioning column 6448 is vertically inserted at the other end of the follower block 6447. An arc hole 64420 cooperating with the positioning column 6448 is provided in the semicircular positioning groove 6440. A pressure plate cylinder 6449 is installed on the side end of the positioning bracket 6441, and a pressure plate 64410 is installed on the telescopic rod of the pressure plate cylinder 6449. The pressure plate 64410 is located on the rotating positioning plate 6442.

[0043] The suction unit 645 includes a transposition bracket 6451, a transverse single-axis driver 6452, a suction moving frame 6453, a suction slide rail 6454, a suction lifting cylinder 6455, a suction lifting plate 6456 and a suction assembly 6457. The transverse single-axis driver 6452 is installed on the crossbeam of the transposition bracket 6451, the suction moving frame 6453 is installed on the sliding block of the transverse single-axis driver 6452, the suction moving frame 6453 is slidably connected with the transposition bracket 6451 through the suction slide rail 6454, the suction moving frame 6453 is installed with a suction lifting cylinder 6455, the suction lifting plate 6456 is installed on the telescopic rod of the suction lifting cylinder 6455, and the suction assembly 6457 is installed on the suction lifting plate 6456; the suction assembly 6457 includes a suction bushing 64571, a suction rod 64572, and a suction connecting plate 64573. , a fixing clamp 64574, a connecting column 64575, a suction limit block 64576 and a buffer spring 64577, two suction bushings 64571 are fixed on the suction lifting plate 6456, a suction rod 64572 is installed in the suction bushing 64571, a suction connecting plate 64573 is installed on the top of the suction rod 64572, a fixing clamp 64574 is installed on the suction rod 64572, and the two fixing clamps 64574 are connected by a connecting column 64575 is connected, a suction limit block 64576 is also installed on the suction lifting plate 6456, the suction limit block 64576 is provided with an avoidance hole, the connecting column 64575 passes through the avoidance hole, a buffer spring 64577 is sleeved on the suction rod 64572 between the fixing clamp 64574 and the suction connecting plate 64573, and the suction rod 64572 is externally connected to a suction device; the suction component 6457 is elastically arranged to avoid damage to the product.

[0044] When the high-efficiency automated lithium battery riveting device of the present invention is working, the telescopic rod of the opening and closing cylinder 251 contracts to drive the closing cover plate 236 to open, the manipulator places the lithium battery cell 01 on the cell carrier 23, the telescopic rod of the opening and closing cylinder 251 extends, the closing cover plate 236 is closed, that is, the plate 233 is installed between the limit blocks 235, the cam divider 21 drives the turntable 22 to rotate, the turntable 22 drives the cell carrier 23 to the next station, the positioning component 24 lifts and supports the positioning cell carrier 23, the pressing component 26 presses the closing cover plate 236, the desktop punch 3 punches holes on the two positive and negative ears of the cell 01, the cam divider 21 drives the cell carrier 23 to the next station, the cell carrier 23 is positioned, the electrode column feeding unit 41 feeds, and the clamping manipulator 41 4 Grab the electrode column 02 on the electrode column mounting plate 412 and place it on the secondary positioning assembly 415. The positioning module 4156 sucks the electrode column with negative pressure to prevent the electrode column 02 from tilting and crooked during riveting. The telescopic rod of the lifting cylinder 4153 extends to drive the electrode column 02 to move up to the punching hole on the pole ear of the battery cell 01. The cap 03 in the cap vibration plate 421 is transported to the cutting opening 4240. The in-place optical fiber 425 detects the cap. The telescopic rod of the cutting cylinder 423 extends to slide the cutting plate 424. The cutting plate 424 slides to push the cap 03 at the cutting opening 4240 into the cutting opening 4240. The pen-shaped cylinder 432, the first lifting cylinder 435 and the second lifting cylinder 436 work together to drive the suction head assembly 438 to move down onto the cap 03. The positioning column 4382 Move down and insert it into the mounting hole of the cap 03. At this time, the cap 03 is located in the cap mounting hole 43812. The positioning column 4382 is elastically set by the buffer spring 4383 to avoid damaging the product. The suction robot 43 moves the cap 03 to the electrode column 02, and the suction head assembly 438 moves down. The cap 03 is a plastic part, which is a soft material. The suction head assembly 438 moves down until the upper protruding end of the electrode column 02 is inserted into the mounting hole of the cap 03. The cam divider 21 drives the battery carrier 23 to the next station, and continues to install another electrode column. The cam divider 21 drives the battery carrier 23 to the next station. The battery carrier 23 is positioned, the opening and closing assembly 25 works, and the telescopic rod of the opening and closing cylinder 251 contracts to drive the closing cover 236 to open, and the material taking robot 5 works. The grabbing assembly 59 clamps the battery cell 01, and the bidirectional cylinder 592 drives the two material taking clamps 594 to clamp and support the battery cell 01. The two anti-rotation limit plates 595 are set to prevent the battery cell 01 from rotating to ensure the subsequent installation accuracy. The material taking robot 5 grabs the battery cell 01 and places it on the carrier of the turntable device 61. The carrier is transferred to the next station. The cover plate placement device 62 places the rice cover 04 on the electrode column 02. The guide plate placement robot 63 places the guide plate on the rice cover 04 to press the product. The product on the carrier is transferred to the next station. The punching sheet 05 in the punching sheet vibration plate 641 is transported to the gasket installation groove 6430 on the gasket carrier 643. The suction unit 645 sucks the punching sheet 05 and places it in the semicircular positioning groove 6440 of the positioning assembly 644.The mounting hole of the punch 05 is sleeved on the positioning pin 6443, the slide cylinder 6444 drives the positioning column 6448 to rotate along the follower bearing 6446, the positioning column 6448 drives the rectangular end of the punch 05 to rotate to the specified angle, the suction unit 645 sucks the positioned punch 05 and sleeves it on the electrode column 02, the pre-pressing robot 65 works to press the product, and the unloading robot 66 removes the assembled product.

[0045] The invention discloses a highly efficient and automated lithium battery riveting device, which has a compact structure and stable operation, and can replace a single device and manual labor to efficiently and automatically assemble products, thereby saving labor.

[0046] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A highly efficient and automated lithium battery riveting equipment, characterized by: The high-efficiency automated lithium battery riveting equipment includes a six-station assembly device, a desktop punch, a rivet assembly device and a material-retrieving manipulator fixed on a frame, and a riveting mechanism is provided in a docking relationship with the material-retrieving manipulator. The desktop punch, the rivet assembly device and the material-retrieving manipulator are arranged around the six-station assembly device, and the riveting mechanism includes a cover plate placing device, a guide plate placing manipulator, a punching sheet installation device, a pre-pressing manipulator and a discharging manipulator arranged around a turntable device; The six-station assembly device includes a cam divider, a turntable, a battery cell carrier, a positioning component, an opening and closing component, a clamping component and a fixed plate. The output end of the cam divider is equipped with a turntable, and the top of the cam divider is equipped with a fixed plate. Six groups of battery cell carriers are arranged in an array on the turntable, and corresponding positioning components are arranged on the frame below the battery cell carrier. Two groups of opening and closing components and one group of clamping components are installed on the fixed plate; the battery cell carrier includes a shaft sleeve, a connecting shaft, a mounting plate, a connecting plate, a limit block, a closed cover plate, a hook and a positioning sleeve. Four bearings are fixed on the shaft sleeve, and a connecting shaft is installed in the shaft sleeve. A mounting plate is installed on the upper end of the connecting shaft, and a connecting plate is installed on the lower end of the connecting shaft. A limit block is installed on the upper end of the mounting plate. The mounting plate between the limit blocks is used to place lithium battery cells. One end of the mounting plate is connected to a closed cover plate through a pin shaft. The upper end of the closed cover plate Two closed cover plates are installed on the surface, and two positioning sleeves are installed on the connecting plate; the positioning assembly includes a positioning bracket, a lifting cylinder, a lifting frame, a positioning pin and a limit column, the lifting cylinder is installed on the bottom plate of the positioning bracket, the lifting frame is installed on the top plate of the positioning bracket, the telescopic rod of the lifting cylinder is fixedly connected to the lifting frame, the top plate of the lifting frame is installed with a positioning pin opposite to the positioning sleeve, and the bottom of the top plate of the positioning bracket is installed with a limit column opposite to the lifting frame; the opening and closing assembly includes a transversely arranged opening and closing cylinder, a connecting rod fixed on the telescopic flange plate of the opening and closing cylinder, and the connecting rod cooperates with the hook; the clamping assembly includes a clamping bracket, a clamping cylinder, a pressing plate and a pressing block, the clamping bracket is fixed on the turntable, the clamping bracket is installed with a clamping cylinder, the telescopic rod of the clamping gas is installed with a pressing plate, and two pressing blocks are installed at the lower end of the pressing plate, and the pressing blocks are made of soft material; The rivet assembly device includes an electrode column feeding unit, a cap feeding unit and a suction manipulator. The electrode column feeding unit and the cap feeding unit are arranged to point to the battery carrier, and the suction manipulator is arranged on the fixed plate. The electrode column feeding unit includes an electrode column vibration disk, an electrode column mounting plate, an in-place sensor, a clamping manipulator and a secondary positioning component. The two discharge ports of the electrode column vibration disk are connected to the electrode column mounting plate. The electrode column mounting plate is provided with a mounting hole matching therewith, and in-place sensors are installed on the brackets on both sides of the mounting hole. A clamping manipulator on a fixed bracket is arranged above the electrode column mounting plate, and a secondary positioning component is also installed on the front side of the bracket; the secondary positioning component includes a linear slide rail, a push plate, a lifting cylinder, a lifting plate, a guide rod and a positioning module. The slider of the linear slide rail is provided with a push plate, the push plate is provided with a lifting cylinder, the telescopic rod of the lifting cylinder is provided with a lifting plate, the lifting plate is connected to the push plate guide through the guide rod, and two positioning modules are installed on the lifting plate. The positioning module is provided with an electrode column mounting groove, the positioning module is externally connected to an air suction device, and the electrode column mounting groove is negatively pressurized.

2. The high-efficiency automated lithium battery riveting equipment according to claim 1 is characterized in that: The cap feeding unit includes a cap vibrating material disk, a feeding bracket, a cutting cylinder, a cutting plate, an in-place optical fiber, a ejecting cylinder, an ejecting plate and a ejector rod. The two discharge holes of the cap vibrating material disk are connected with a feeding bracket, a cutting cylinder and a slidable cutting plate are horizontally arranged on the feeding bracket, a telescopic rod of the cutting cylinder is fixedly connected to the cutting plate, two cutting openings opposite to the discharge port are arranged on the cutting plate, an in-place optical fiber pointing to the cutting plate is installed on the cutting plate, two ejecting holes are also arranged on the feeding bracket, a ejecting cylinder is installed in the middle of the feeding bracket, a ejecting plate is installed on the telescopic rod of the ejecting cylinder, two vertical ejecting rods are installed on the ejecting plate, and the upper part of the ejecting rod is inserted into the ejecting hole.

3. The high-efficiency automated lithium battery riveting equipment according to claim 1 is characterized in that: The suction manipulator comprises a suction bracket, a pen-shaped cylinder, a suction slide rail, a movable plate, a first lifting cylinder, a second lifting cylinder, a suction lifting plate and a suction head assembly, the suction bracket crossbeam is laterally mounted with a pen-shaped cylinder and a suction slide rail, the sliding block of the suction slide rail is mounted with a movable plate, the telescopic rod of the pen-shaped cylinder is mounted with a movable plate, the first lifting cylinder is mounted on the telescopic rod of the first lifting cylinder, the suction lifting plate is mounted on the telescopic rod of the second lifting cylinder, and the suction lifting plate is mounted on the suction lifting plate. Two groups of suction head assemblies are installed on the plate; the suction head assemblies include a suction nozzle, a positioning column, a buffer spring and an air pipe joint. The suction nozzle is fixed to the bottom surface of the suction lifting plate. A stepped hole is provided axially of the suction nozzle, a positioning column is installed in the stepped hole, a buffer spring is installed in the stepped hole above the positioning column, and both ends of the buffer spring are respectively against the suction lifting plate and the positioning column. The lower end of the suction nozzle is conical, and a cap mounting hole is provided at the lower end of the suction nozzle. An annular hole is provided above the cap mounting hole and communicated with the cap mounting hole, and an air pipe joint communicated with the annular hole is installed at the side end of the suction nozzle.

4. The high-efficiency automated lithium battery riveting equipment according to claim 1 is characterized in that: The material picking manipulator includes a material picking bracket, a single-axis driver, a mobile frame, a push-pull cylinder, a mobile push plate, a guide rail, a material picking lifting cylinder, a turntable cylinder and a grabbing assembly. The single-axis driver is installed on the top plate of the material picking bracket, and the mobile frame is installed on the sliding block of the single-axis driver. A push-pull cylinder is laterally arranged on the rear side of the mobile frame. The telescopic rod of the push-pull cylinder drives the mobile push plate to move. The mobile push plate is slidably connected to the mobile frame through the guide rail. The material picking lifting cylinder is installed on the mobile push plate. The turntable cylinder is installed on the telescopic flange plate of the material picking lifting cylinder, and the grabbing assembly is installed on the turntable of the turntable cylinder. The grabbing assembly includes a grabbing mounting plate, a two-way cylinder, a material picking connecting plate, a material picking splint, a rotation-stopping limit plate, a limit bolt and a limit block. The grabbing mounting plate is fixed to the turntable of the turntable cylinder, and two two-way cylinders are installed on the lower side of the grabbing mounting plate. The two sliding blocks of the two-way cylinder are installed with a material picking connecting plate, and relative material picking splints are installed on the two material picking connecting plates. A support part is horizontally arranged inwardly at the bottom of the two material picking splints, and the support part is used to place the battery cell. Anti-rotation limit plates are installed at the front and rear ends of the two-way cylinder, and limit bolts and limit blocks are respectively installed at the lower ends of the two material picking connecting plates, and the limit bolts and limit blocks are relatively arranged.

5. The high-efficiency automated lithium battery riveting equipment according to claim 1, characterized in that: The punch installation device includes a punch vibration disk, a feeding bracket, a gasket carrier, a positioning assembly and a suction unit. The feeding bracket is fixed with a gasket carrier, and two gasket installation grooves are provided on the gasket carrier. The gasket installation grooves are connected with the two discharge holes of the punch vibration disk. The feeding bracket is also equipped with a positioning assembly, and the suction unit transports the punch at the positioning assembly to the fixture at the turntable device; the positioning assembly includes a positioning bracket, a rotating positioning plate, a positioning pin, a slide cylinder, a slide plate, a follower bearing, a follower block, a positioning column, a pressure plate cylinder and a pressure plate. The positioning bracket is arranged on the feeding bracket, and the positioning bracket is installed on the top plate There is a rotating positioning plate, which is provided with two semicircular positioning grooves, a positioning pin is provided in the middle of the semicircular positioning grooves, a slide cylinder is installed on the bottom plate of the positioning bracket, a slide plate is installed on the slide of the slide cylinder, a follower bearing is installed on the bottom plate of the positioning bracket on the front side of the slide cylinder, a rotatable follower block is inserted in the follower bearing, the slide plate and the follower block are movably connected at one end by a pin shaft, a positioning column is vertically inserted at the other end of the follower block, an arc hole matching the positioning column is provided in the semicircular positioning groove, a pressure plate cylinder is installed on the side end of the positioning bracket, a pressure plate is installed on the telescopic rod of the pressure plate cylinder, and the pressure plate is located on the rotating positioning plate.

6. The high-efficiency automated lithium battery riveting equipment according to claim 5, characterized in that: The material suction unit comprises a transposition bracket, a transverse single-axis driver, a material suction mobile frame, a material suction slide rail, a material suction lifting cylinder, a material suction lifting plate and a material suction assembly. The transverse single-axis driver is installed on the crossbeam of the transposition bracket, the material suction mobile frame is installed on the sliding block of the transverse single-axis driver, the material suction mobile frame is slidably connected with the transposition bracket through the material suction slide rail, the material suction lifting cylinder is installed on the material suction mobile frame, the material suction lifting plate is installed on the telescopic rod of the material suction lifting cylinder, and the material suction lifting plate is installed on the material suction assembly; the material suction assembly It includes a suction bushing, a suction rod, a suction connecting plate, a fixing clamp, a connecting column, a suction limit block and a buffer spring. Two suction bushings are fixed on the suction lifting plate. The suction bushing is equipped with a suction rod. A suction connecting plate is installed on the top of the suction rod. A fixing clamp is installed on the suction rod. The two fixing clamps are connected by a connecting column. A suction limit block is also installed on the suction lifting plate. An avoidance hole is provided on the suction limit block. The connecting column passes through the avoidance hole. A buffer spring is sleeved on the suction rod between the fixing clamp and the suction connecting plate. The suction rod is externally connected to an air suction device.

Citation Information

Patent Citations

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