Button battery lithium strip feeding device

Abstract

The utility model provides a button battery lithium strip feeding device, which relates to the technical field of button battery assembly, and comprises a rack, and a lithium strip punching and shell cutting mechanism, an assembly conveying mechanism and a lithium strip press fitting mechanism which are arranged on the rack, the assembling and conveying mechanism is used for transferring and conveying the shell and the die sleeve assembly; the lithium strip punching and shell cutting mechanism is used for punching and pressing a lithium strip coil material into the shell and the shell of the die sleeve assembly; the lithium strip punching and shell cutting mechanism comprises a lithium strip coil placing assembly and a lithium strip punching assembly; the lithium strip punching assembly is used for punching a lithium strip coil on the lithium strip coil placing assembly and pressing the lithium strip coil into the shell; and the lithium strip press-fitting mechanism is used for flattening the lithium strip in the shell. The automatic assembling machine has the advantages that manual operation is not needed, time and labor are saved, production efficiency is greatly improved, and assembling consistency and assembling quality can be guaranteed through automatic assembling.

Description

Technical Field

[0001] The utility model relates to the technical field of button cell assembly, and more specifically, to a lithium strip feeding device for button cells. Background Art

[0002] Existing button cells include a housing, a lithium strip, and a separator paper. During the production process, the lithium strip needs to be first loaded into the housing and evenly pressed into the housing, and then the separator paper is loaded into the housing. The specific assembly operations in the above button cell process are as follows: the lithium strip roll and the separator paper roll are first cut one by one by a cutting device, and then the cut lithium strip and separator paper are transported to the manual assembly area. The lithium strips are manually loaded into the housing one by one, and the lithium strips are evenly pressed into the housing manually by a pressing tool. Finally, the separator paper is placed into the housing, and the separator paper is evenly pressed above the lithium strip manually by a pressing tool.

[0003] Especially during the above lithium strip pressing and assembling process, all operations are carried out manually, which is time-consuming and laborious, with a large labor cost. Moreover, the pressing and flattening operations performed manually cannot ensure the consistency of the lithium strip pressing, and at the same time, the overall assembly efficiency is relatively low through manual assembly. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that the existing button cell lithium strip is pressed and flattened manually, which is time-consuming and laborious and cannot ensure the consistency of pressing. To overcome the above defects of the prior art, the utility model provides a device that automatically presses and flattens the lithium strip into the housing within the housing and the die sleeve assembly, without manual operation, saving time and labor, and greatly improving the production efficiency. At the same time, the automated assembly can ensure the assembly consistency and assembly quality.

[0005] To achieve the purpose of the utility model, the following technical solutions are adopted:

[0006] A lithium strip feeding device for button batteries, comprising a frame and a lithium strip punching and shelling mechanism, an assembly conveying mechanism, and a lithium strip pressing mechanism arranged on the frame; the assembly conveying mechanism is used for circulating and conveying the shell and the die sleeve assembly; the lithium strip punching and shelling mechanism is used for punching and pressing the lithium strip coil into the shell of the shell and the die sleeve assembly; the lithium strip punching and shelling mechanism includes a lithium strip coil placing component and a lithium strip punching component; the lithium strip coil placing component is used for placing the lithium strip coil and feeding the lithium strip coil in an orderly manner; the discharge end of the lithium strip coil placing component is connected to the lithium strip punching component; the lithium strip punching component is used for punching and pressing the lithium strip coil on the lithium strip coil placing component into the shell; the lithium strip pressing mechanism is used for pressing the lithium strip in the shell flat. This device realizes the automatic conveying of the lithium strip through the assembly conveying mechanism, realizes the automatic punching and preliminary pressing of the lithium strip into the shell of the shell and the die sleeve assembly through the lithium strip punching and shelling mechanism, and realizes the automatic flattening of the lithium strip through the lithium strip pressing mechanism, without manual operation, saving time and effort, greatly improving the production efficiency, and ensuring the assembly consistency and assembly quality through automatic assembly.

[0007] Preferably, the lithium strip coil placing component includes a lithium strip placing support plate, a discharge reel, a take-up reel, and a strip guiding plate; the lithium strip placing support plate is vertically arranged on the frame, the discharge reel and the take-up reel are respectively arranged on both sides of the upper part of the lithium strip placing support plate; the strip guiding plate is vertically arranged on the lithium strip placing support plate, and the strip guiding plate is inclined downward from top to bottom in the feeding to discharging direction; the discharge end of the strip guiding plate is connected to the lithium strip punching component.

[0008] Preferably, the lithium strip punching component includes a punching support, a punching conveying motor, a punching driving roller, a punching driven roller, and a punching driving member; the punching support is arranged on the frame, the punching conveying motor is arranged on the punching support through a punching motor support, the punching driving roller is rotatably connected to the punching motor support, and one end of the punching driving roller is fixedly connected to the driving shaft of the punching conveying motor, a punching support cross plate is arranged on the top of the punching motor support, and a driven roller positioning driving member arranged vertically is arranged on the punching support cross plate; the telescopic part of the driven roller positioning driving member passes through the punching support cross plate and is connected to a driven roller support; the punching driven roller is rotatably connected to the driven roller support, the punching driven roller is arranged vertically aligned with the punching driving roller, and the lithium strip is tensioned and connected between the punching driven roller and the punching driving roller; the punching driving member is vertically arranged on the punching support cross plate, the telescopic part of the punching driving member passes through the punching support cross plate and is connected to a punching driving support, and the punching driving support is vertically connected to the punching support cross plate through two lithium strip punching guide rods, and a lithium strip punching carrier is arranged at the bottom of the punching driving support; at least one lithium strip punching cutter head is arranged on the lithium strip punching carrier. Automatic punching is realized through the punching component without manual installation.

[0009] Preferably, a vertical positioning strip-shaped through hole is provided on the punching motor bracket, and a positioning convex block is provided on the driven roller bracket on the same side as the positioning strip-shaped through hole; the positioning convex block is inserted into the positioning strip-shaped through hole and moves up and down along the track of the positioning strip-shaped through hole. Positioning adjustment is achieved through the positioning convex block and the positioning strip-shaped through hole.

[0010] Preferably, the lithium strip pressing mechanism includes a separator film support plate, a separator film discharging tray, a separator film winding tray, a lithium strip pressing bracket, at least one lithium strip pressing electric cylinder, and a lithium strip pressing positioning plate; the separator film support plate is vertically arranged on the frame and is located at the rear side of the assembly conveying mechanism, the separator film discharging tray and the separator film winding tray are respectively arranged on the separator film support plate, the lithium strip pressing bracket is arranged on the frame and is located between the separator film discharging tray and the separator film winding tray, the lithium strip pressing electric cylinder is vertically arranged on the lithium strip pressing bracket, a lithium strip pressing head is arranged on the telescopic rod at the lower end of the lithium strip pressing electric cylinder, and the lithium strip pressing head is located above the separator film strip, the lithium strip pressing positioning plate is arranged on the lithium strip pressing bracket, and the lithium strip pressing positioning plate is located below the separator film strip, and a lithium strip pressing positioning hole for the lithium strip pressing head to pass through is provided on the lithium strip pressing positioning plate. Automatic pressing is achieved through the lithium strip pressing mechanism, and it is convenient to separate the lithium strip from the lithium strip pressing head to prevent the lithium strip from being affected.

[0011] Preferably, a film feeding distance control component is further arranged on the separator film support plate between the separator film discharging tray and the separator film winding tray; the film feeding distance control component includes a separator film driving bracket and a separator film driven bracket; separator film tensioning guide rollers are rotatably connected to both the separator film driving bracket and the separator film driven bracket, one end of one of the separator film tensioning guide rollers is connected with a separator film tensioning motor, and the separator film strip is tensioned and connected between the two separator film tensioning guide rollers; a separator film auxiliary roller is also rotatably connected to the separator film support plate. It is convenient to better convey the lithium strip coil through the film feeding distance control component, and the length of each film feeding is ensured to be uniform and consistent through the friction between the two separator film tensioning guide rollers.

[0012] Preferably, a press-fitting rejection mechanism is further provided on the frame; the press-fitting rejection mechanism includes a press-fitting rejection bracket, at least one press-fitting rejection driving member, and a press-fitting rejection conveyor belt assembly; the press-fitting rejection bracket is arranged on the frame, the press-fitting rejection driving member is horizontally arranged on the bottom surface of the top plate of the press-fitting rejection bracket, and a rejection push plate is connected to the telescopic rod of the press-fitting rejection driving member; a rejection step opening for rejecting unqualified die sleeves on the lithium tape assembly conveying disc assembly is arranged on the bottom surface of the rejection push plate; the press-fitting rejection conveyor belt assembly is arranged on the frame and is located below the press-fitting rejection driving member, and the press-fitting rejection conveyor belt assembly is used for conveying and collecting the rejected waste materials. The press-fitting rejection mechanism facilitates directly rejecting the parts with uneven press-fitting.

[0013] Preferably, the assembly conveying mechanism includes a lithium tape assembly conveying total driving assembly and a number of sequentially connected lithium tape assembly conveying disc assemblies; the lithium tape assembly conveying total driving assembly is used for driving all the lithium tape assembly conveying disc assemblies to rotate synchronously; a first transition conveying turntable connected to the first lithium tape assembly conveying disc assembly is arranged on the frame; a second transition conveying turntable connected to the last lithium tape assembly conveying disc assembly is arranged on the frame. The first transition conveying turntable and the second transition conveying turntable facilitate the connection of feeding and discharging, and the lithium tape assembly conveying disc assemblies achieve stable conveying.

[0014] Preferably, the assembly conveying mechanism includes a lithium tape assembly conveying rotating gear at the bottom, a lithium tape assembly conveying connecting shaft in the middle, and a lithium tape assembly conveying rotating disc at the top; the lithium tape assembly conveying rotating gear is in transmission connection with the lithium tape assembly conveying total driving assembly, and the lithium tape assembly conveying rotating disc rotates synchronously with the lithium tape assembly conveying rotating gear through the lithium tape assembly conveying connecting shaft; a lithium tape assembly conveying fixing sleeve is sleeved outside the lithium tape assembly conveying connecting shaft, and the lithium tape assembly conveying fixing sleeve is fixedly arranged on the frame, and a lithium tape assembly conveying support disc is arranged at the top of the lithium tape assembly conveying fixing sleeve; the lithium tape assembly conveying support disc is located below the lithium tape assembly conveying rotating disc. The lithium tape assembly conveying rotating disc realizes automatic conveying in a rotating manner, greatly improving the conveying efficiency.

[0015] Preferably, a plurality of conveying notches are arranged at intervals on the outer peripheral wall of the lithium tape assembly conveying rotating disc, and a lithium tape assembly conveying baffle is arranged on the lithium tape assembly conveying support disc on the outer periphery of the lithium tape assembly conveying rotating disc.

[0016] In summary, the advantages of the present utility model are as follows: The device realizes the automatic conveying of the lithium strip through the assembled conveying mechanism, realizes the automatic punching and cutting of the lithium strip and the preliminary pressing into the shell of the shell and die sleeve assembly through the lithium strip punching and cutting into shell mechanism, and realizes the automatic flattening of the lithium strip through the lithium strip pressing mechanism. There is no need for manual operation, which saves time and effort, greatly improves the production efficiency, and can ensure the assembly consistency and assembly quality through automated assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the lithium strip feeding device for button batteries of the present utility model.

[0018] Figure 2 is the assembled conveying mechanism of the present utility model

[0019] Figure 3 is a schematic structural diagram of the first perspective of the lithium strip punching and cutting into shell mechanism of the present utility model.

[0020] Figure 4 is a schematic structural diagram of the second perspective of the lithium strip punching and cutting into shell mechanism of the present utility model.

[0021] Figure 5 is a schematic structural diagram of the lithium strip pressing mechanism of the present utility model.

[0022] Figure 6 is a schematic structural diagram of the pressing and rejection mechanism of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further describes the present application in detail with reference to the drawings and specific embodiments.

[0024] As Figures 1 to 6 shown, a lithium strip feeding device for button batteries includes a frame 1 and a lithium strip punching and cutting into shell mechanism 31, an assembled conveying mechanism 32, and a lithium strip pressing mechanism 33 arranged on the frame 1; the assembled conveying mechanism 32 is used for circulating and conveying the shell and die sleeve assembly; the lithium strip punching and cutting into shell mechanism 31 is used for punching and cutting the lithium strip coil and pressing it into the shell of the shell and die sleeve assembly; the lithium strip pressing mechanism 33 is used for flattening the lithium strip in the shell. The device realizes the automatic conveying of the lithium strip through the assembled conveying mechanism 32, realizes the automatic punching and cutting of the lithium strip and the preliminary pressing into the shell of the shell and die sleeve assembly through the lithium strip punching and cutting into shell mechanism 31, and realizes the automatic flattening of the lithium strip through the lithium strip pressing mechanism 33. There is no need for manual operation, which saves time and effort, greatly improves the production efficiency, and can ensure the assembly consistency and assembly quality through automated assembly.

[0025] As Figure 1 , Figure 2 and Figure 5As shown in the figure, the assembly and conveying mechanism 32 includes a lithium strip assembly and conveying total drive assembly and seven sequentially connected lithium strip assembly and conveying disc assemblies 321; the lithium strip assembly and conveying total drive assembly is a conventional motor-gear matching structure, and the lithium strip assembly and conveying total drive assembly is used to drive all the lithium strip assembly and conveying disc assemblies 321 to rotate synchronously; the assembly and conveying mechanism 32 includes a lithium strip assembly and conveying rotating gear 324 at the bottom, a lithium strip assembly and conveying connecting shaft 325 in the middle, and a lithium strip assembly and conveying rotating disc 326 at the top; the lithium strip assembly and conveying rotating gear 324 is in transmission connection with the total gear of the lithium strip assembly and conveying total drive assembly, and the lithium strip assembly and conveying rotating disc 326 rotates synchronously with the lithium strip assembly and conveying rotating gear 324 through the lithium strip assembly and conveying connecting shaft 325; a lithium strip assembly and conveying fixing sleeve 327 is sleeved outside the lithium strip assembly and conveying connecting shaft 325, and the lithium strip assembly and conveying fixing sleeve 327 is fixedly arranged on the frame 1, and a lithium strip assembly and conveying support disc 328 is arranged at the top of the lithium strip assembly and conveying fixing sleeve 327; the lithium strip assembly and conveying support disc 328 is located below the lithium strip assembly and conveying rotating disc 326, so as to support the die sleeve and prevent the die sleeve from falling. A plurality of conveying notches 329 are arranged at intervals on the outer peripheral wall of the lithium strip assembly and conveying rotating disc 326, and the conveying notches 329 are arc-shaped and match the outer peripheral wall of the die sleeve. A lithium strip assembly and conveying baffle 3281 is arranged on the lithium strip assembly and conveying support disc 328 on the outer periphery of the lithium strip assembly and conveying rotating disc 326, and the lithium strip assembly and conveying baffle 3281 can prevent the die sleeve from disengaging from the lithium strip assembly and conveying rotating disc 326 during conveying. The automatic conveying is realized by the rotation of the lithium strip assembly and conveying rotating disc 326, greatly improving the conveying efficiency. The lithium strip assembly and conveying rotating gears 324 on two adjacent lithium strip assembly and conveying disc assemblies 321 are sequentially meshed with each other, so that the lithium strip assembly and conveying total drive assembly can drive all the lithium strip assembly and conveying disc assemblies 321 to rotate synchronously. The assembly and conveying mechanism 32 realizes the function of connecting and conveying. A first transition conveying turntable 5 connected to the first lithium strip assembly and conveying disc assembly 321 is arranged on the frame 1; a second transition conveying turntable 6 connected to the last lithium strip assembly and conveying disc assembly 321 is arranged on the frame 1. Due to the different processing speeds before and after, buffering and speed adjustment are carried out through the first transition conveying turntable 5 and the second transition conveying turntable 6, and the stable conveying of the lithium strip assembly and conveying disc assemblies 321 can be ensured without being affected, and finally the stable operation of the whole equipment is ensured.

[0026] As Figures 2 to 4As shown, the lithium strip punching and shelling mechanism 31 includes a lithium strip coil placing component and a lithium strip punching component; the lithium strip coil placing component includes a lithium strip placing support plate 311, a discharging reel 312, a material collecting reel 313, and a strip guiding plate 314; the lithium strip placing support plate 311 is vertically arranged on the frame 1, and the material collecting reel 313 and the discharging reel 312 are respectively arranged on the upper left and right sides of the lithium strip placing support plate 311; the lithium strip coil is sleeved on the discharging reel 312, and the lithium strip coil is fixed on the material collecting reel 313 to achieve transportation. The strip guiding plate 314 is vertically arranged on the lithium strip placing support plate 311, and the strip guiding plate 314 is inclined downward from top to bottom in the direction from the feeding end to the discharging end; the discharging end of the strip guiding plate 314 is connected to the lithium strip punching component, and the strip guiding plate 314 facilitates the smooth transportation and transportation guiding of the lithium strip coil, so that it can be better transported to the lithium strip punching component.

[0027] As Figures 2 to 4As shown, the lithium strip punching and pressing assembly is used to punch and press the lithium strip coil on the lithium strip coil placing assembly into the shell; the lithium strip punching and pressing assembly includes a punching support 315, a punching conveying motor 316, a punching driving roller 317, a punching driven roller 318, and a punching driving member 319. The punching driving member 319 realizes linear driving by means of a cylinder, an electric cylinder, or an oil cylinder; the punching support 315 is vertically arranged on the frame 1. The punching conveying motor 316 is arranged on the punching support 315 through a punching motor support 3161. The punching driving roller 317 is rotatably connected to the punching motor support 3161, and one end of the punching driving roller 317 is fixedly connected to the driving shaft of the punching conveying motor 316. A punching support cross plate 3162 is arranged on the top of the punching motor support 3161. A driven roller positioning driving member 3163 arranged vertically is arranged on the punching support cross plate 3162. The driven roller positioning driving member 3163 realizes linear driving by means of a cylinder, an electric cylinder, or an oil cylinder. The telescopic part of the driven roller positioning driving member 3163 passes through the punching support cross plate 3162 and is connected to a driven roller support 3164; the punching driven roller 318 is rotatably connected to the driven roller support 3164. The punching driven roller 318 and the punching driving roller 317 are arranged vertically aligned, and the lithium strip is tensioned and connected between the punching driven roller 318 and the punching driving roller 317; the distance between the punching driven roller 318 on the driven roller support 3164 and the punching driving roller 317 can be adjusted through the driven roller positioning driving member 3163, so as to further ensure that the lithium strip is tensioned and connected, and prevent the problem that the lithium strip becomes loose and cannot be accurately conveyed after being used for a period of time. A vertical positioning strip-shaped through hole 3165 is arranged on the punching motor support 3161. A positioning convex block 3166 is arranged on the driven roller support 3164 on the same side as the positioning strip-shaped through hole 3165; the positioning convex block 3166 is inserted into the positioning strip-shaped through hole 3165 and moves up and down along the track of the positioning strip-shaped through hole 3165; the cooperation between the positioning strip-shaped through hole 3165 and the positioning convex block 3166 can ensure that the driven roller support 3164 moves in a vertical straight line, prevent the position deviation of the punching driven roller 318 during the moving process, further ensure the alignment degree of the punching driven roller 318 and the punching driving roller 317, and thus ensure that the lithium strip can be accurately and stably conveyed. The punching driving member 319 is vertically arranged on the punching support cross plate 3162. The telescopic part of the punching driving member 319 passes through the punching support cross plate 3162 and is connected to a punching driving support 3191. The punching driving support 3191 is connected to the punching support cross plate 3162 through two lithium strip punching guide rods 3192 in a lifting manner. A lithium strip punching carrier 3193 is arranged at the bottom of the punching driving support 3191; two juxtaposed lithium strip punching cutter heads 3194 are arranged on the lithium strip punching carrier 3193. Two groups of simultaneous processing and production are realized through the two lithium strip punching cutter heads 3194, doubling the production efficiency. Through the lithium strip punching and pressing into the shell mechanism 31, the automatic punching and pressing of the lithium strip into the shell is realized, replacing manual operation and greatly improving the production efficiency.

[0028] As shown Figure 5 in the figure, during the flattening process of the lithium strip, since the lithium strip pressing head 3351 cannot directly touch the lithium strip, a lithium separation film is placed between the lithium strip pressing head 3351 and the lithium strip inside the housing during pressing. The lithium separation film is made of plastic material. Through the protection of the lithium separation film, it can be ensured that the lithium strip will not be worn or interfered during the pressing process, and further ensure stable and smooth pressing of the lithium strip. The lithium strip pressing mechanism 33 includes a lithium separation film support plate 331, a lithium separation film discharging tray 332, a lithium separation film collecting tray 333, a lithium strip pressing bracket 334, two juxtaposed lithium strip pressing electric cylinders 335, and a lithium strip pressing positioning plate 336; the lithium separation film support plate 331 is vertically arranged on the frame 1 and is located behind the assembly conveying mechanism 32. The lithium separation film collecting tray 333 and the lithium separation film discharging tray 332 are respectively arranged on the left and right sides of the lithium separation film support plate 331. A film feeding distance control component is also arranged on the lithium separation film support plate 331 between the lithium separation film discharging tray 332 and the lithium separation film collecting tray 333; the film feeding distance control component includes a lithium separation film driving bracket 351 and a lithium separation film driven bracket 352; lithium separation film tensioning guide rollers 353 are rotatably connected to both the lithium separation film driving bracket 351 and the lithium separation film driven bracket 352. One end of one of the lithium separation film tensioning guide rollers 353 is connected to a lithium separation film tensioning motor, and the lithium separation film tape is tensioned and connected between the two lithium separation film tensioning guide rollers 353; a lithium separation film auxiliary roller 354 is also rotatably connected to the lithium separation film support plate 331. The lithium separation film is tensioned and connected under the action of the lithium separation film auxiliary roller 354 and the film feeding distance control component, and can achieve precise and stable conveying. At the same time, the friction force between the two lithium separation film tensioning guide rollers 353 can ensure that the length of the lithium separation film conveyed each time is uniform, ensuring the consistency of conveying, so as to facilitate better pressing. The lithium strip pressing bracket 334 is arranged on the frame 1 and is located between the lithium separation film discharging tray 332 and the lithium separation film collecting tray 333. The lithium strip pressing electric cylinder 335 is vertically arranged on the lithium strip pressing bracket 334. A lithium strip pressing head 3351 is arranged on the telescopic rod at the lower end of the lithium strip pressing electric cylinder 335, and the lithium strip pressing head 3351 is located above the lithium separation film tape. The lithium strip pressing positioning plate 336 is arranged on the lithium strip pressing bracket 334, and the lithium strip pressing positioning plate 336 is located below the lithium separation film tape. A lithium strip pressing positioning hole 3361 for the lithium strip pressing head 3351 to pass through is arranged on the lithium strip pressing positioning plate 336. Through the lithium strip pressing mechanism 33, it is further ensured that the lithium strip pressed into the housing remains flat and is pressed to the bottom, further ensuring the assembly quality.

[0029] As shown Figure 6As shown in the figure, a press-fitting and rejecting mechanism 36 is further provided on the frame 1; the press-fitting and rejecting mechanism 36 includes a press-fitting and rejecting support 361, two press-fitting and rejecting driving members 362, and a press-fitting and rejecting conveyor belt assembly 363. The press-fitting and rejecting driving member 362 realizes linear driving by means of a cylinder, an electric cylinder or an oil cylinder. The press-fitting and rejecting support 361 is provided on the frame 1. The press-fitting and rejecting driving member 362 is horizontally arranged on the bottom surface of the top plate of the press-fitting and rejecting support 361, and a rejecting push plate 364 is connected to the telescopic rod of the press-fitting and rejecting driving member 362; a rejecting step opening 365 for rejecting unqualified die sleeves on the lithium tape assembly conveying tray assembly 321 is arranged on the bottom surface of the rejecting push plate 364; the press-fitting and rejecting conveyor belt assembly 363 is provided on the frame 1, and the press-fitting and rejecting conveyor belt assembly 363 is located below the press-fitting and rejecting driving member 362. The press-fitting and rejecting conveyor belt assembly 363 is used for conveying and collecting the rejected waste materials. Through the press-fitting and rejecting mechanism 36, it is further ensured that the die sleeves that do not press the lithium tape flat into the shell are rejected, further ensuring the production quality.

[0030] As Figures 1 to 6As shown, when the device works, the housing and the die sleeve assembly enter into the first transition conveying turntable 5 and are conveyed to the lithium strip assembly conveying disc assembly 321 through the first transition conveying turntable 5. The transfer of the housing and the die sleeve assembly is realized through the connection and conveying between the lithium strip assembly conveying disc assemblies 321. The adjacent lithium strip assembly conveying disc assemblies 321 are synchronously rotated through the meshing of two lithium strip assembly conveying rotating gears 324, so that the housing and the die sleeve assembly on the adjacent two lithium strip assembly conveying rotating discs 326 can be connected and transferred. In this embodiment, lithium strip punching is performed at the second lithium strip assembly conveying disc assembly 321. First, the lithium strip coil is sleeved on the discharging reel 312, and then one end of the lithium strip coil is led along the strip guiding plate 314 and fixed to the receiving reel 313 through between the punching driven roller 318 and the punching driving roller 317, so that the lithium strip coil is conveyed. The lithium strip is conveyed by driving the punching driving roller 317, and the distance between the punching driven roller 318 and the punching driving roller 317 can be adjusted by the lifting of the lithium strip punching carrier 3193 to ensure that the lithium strip can be stably tensioned. When the housing and the die sleeve assembly on the lithium strip assembly conveying disc assembly 321 are conveyed below the lithium strip pressing head 3351, the punching driving member 319 (cylinder) is driven to drive the lithium strip punching cutter head 3194 to move downward for punching, and the lithium strip is broken through and the broken lithium strip is preliminarily pressed into the housing. The die sleeve with the lithium strip is conveyed to the fourth lithium strip assembly conveying disc assembly 321 and is located below the lithium strip pressing mechanism 33. The separator film coil is sleeved on the separator film discharging disc 332, and one end of the separator film coil is wound around the separator film auxiliary roller 354 and connected to the separator film receiving disc 333 between the separator film active bracket 351 and the separator film driven bracket 352, so that the separator film coil is formed for conveying. The separator film is located below the lithium strip pressing head 3351 and is used to pad above the lithium strip during pressing to prevent the lithium strip pressing head 3351 from directly contacting the lithium strip in the housing. The lithium strip pressing electric cylinder 335 drives the lithium strip pressing head 3351 to press against the lithium strip in the housing and presses the lithium strip flat. The pressed separator film will not be broken, and is conveyed to the left for receiving after pressing. When a new die sleeve preliminarily pressed with a lithium strip is conveyed over, the non-pressed part of the separator film is also conveyed above the housing, so that each pressing ensures that the separator film is new, so as to ensure that when the lithium strip is pressed flat, the lithium strip pressing head 3351 will not affect the lithium strip under the protection of the separator film. The lithium strip pressing head 3351 can detect in real time whether the lithium strip is pressed flat during pressing, and mark the housing and the die sleeve assembly that are not pressed flat. At the fifth lithium strip assembly conveying disc assembly 321, the lithium strip that is not pressed flat is removed and discharged through the pressing and removing mechanism 36, and finally conveyed to the second transition conveying turntable 6 through the seventh lithium strip assembly conveying disc assembly 321 for buffer transition. The whole device does not require manual participation and realizes the automatic pressing of the lithium strip and the flattening of the lithium strip in the inner housing of the housing and the die sleeve assembly.

[0031] The advantages of the present utility model are that the device realizes the automatic conveying of the lithium strip through the assembled conveying mechanism 32, realizes the automatic punching and preliminary pressing of the lithium strip into the shell of the shell and die sleeve assembly through the lithium strip punching and shell-in mechanism 31, realizes the automatic flattening of the lithium strip through the lithium strip pressing mechanism 33, without manual operation, saving time and effort, greatly improving the production efficiency, and ensuring the assembly consistency and assembly quality through automatic assembly.

Claims

1. A lithium strip feeding device for button batteries, characterized in that, It includes a frame (1), a lithium strip punching and shell - inserting mechanism (31), an assembly conveying mechanism (32), and a lithium strip pressing mechanism (33) arranged on the frame (1); the assembly conveying mechanism (32) is used for circulating and conveying the shell and the die sleeve assembly; the lithium strip punching and shell - inserting mechanism (31) is used for punching the lithium strip coil and pressing it into the shell of the shell and die sleeve assembly; the lithium strip punching and shell - inserting mechanism (31) includes a lithium strip coil placing component and a lithium strip punching component; the lithium strip coil placing component is used for placing the lithium strip coil and feeding the lithium strip coil in an orderly manner; The discharging end of the lithium strip coil placing component is connected to the lithium strip punching component; the lithium strip punching component is used for punching the lithium strip coil on the lithium strip coil placing component and pressing it into the shell; the lithium strip pressing mechanism (33) is used for pressing the lithium strip in the shell flat.

2. The lithium strip feeding device for button batteries according to claim 1, wherein, The lithium strip coil placing component includes a lithium strip placing support plate (311), a discharging reel (312), a material collecting reel (313), and a strip guiding plate (314); the lithium strip placing support plate (311) is arranged on the frame (1), the discharging reel (312) and the material collecting reel (313) are respectively arranged on both sides of the lithium strip placing support plate (311); the strip guiding plate (314) is vertically arranged on the lithium strip placing support plate (311), and the strip guiding plate (314) is inclined downward from top to bottom in the feeding - to - discharging direction; the discharging end of the strip guiding plate (314) is connected to the lithium strip punching component.

3. The lithium strip feeding device for button batteries according to claim 1 or 2, characterized in that, The lithium strip punching component includes a punching support (315), a punching conveying motor (316), a punching driving roller (317), a punching driven roller (318), and a punching driving part (319); the punching support (315) is arranged on the frame (1), the punching conveying motor (316) is arranged on the punching support (315) through a punching motor support (3161), the punching driving roller (317) is rotatably connected to the punching motor support (3161), and one end of the punching driving roller (317) is fixedly connected to the driving shaft of the punching conveying motor (316); a punching support cross - plate (3162) is arranged on the punching motor support (3161), and a driven roller positioning driving part (3163) arranged vertically is arranged on the punching support cross - plate (3162); the telescopic part of the driven roller positioning driving part (3163) passes through the punching support cross - plate (3162) and is connected to a driven roller support (3164); the punching driven roller (318) is rotatably connected to the driven roller support (3164), and the lithium strip is tension - connected between the punching driven roller (318) and the punching driving roller (317); the punching driving part (319) is arranged on the punching support cross - plate (3162), the telescopic part of the punching driving part (319) passes through the punching support cross - plate (3162) and is connected to a punching driving support (3191), and a lithium strip punching carrier (3193) is arranged on the punching driving support (3191); at least one lithium strip punching cutter head (3194) is arranged on the lithium strip punching carrier (3193).

4. The lithium strip feeding device for button batteries according to claim 3, characterized in that, The punching motor bracket (3161) is provided with a positioning strip-shaped through hole (3165), and a positioning bump (3166) is arranged on the driven roller bracket (3164) on the same side as the positioning strip-shaped through hole (3165); the positioning bump (3166) is inserted into the positioning strip-shaped through hole (3165) and moves along the track of the positioning strip-shaped through hole (3165).

5. The lithium strip feeding device for button batteries according to claim 1, wherein, The lithium strip pressing mechanism (33) includes a separator film support plate (331), a separator film discharging tray (332), a separator film winding tray (333), a lithium strip pressing bracket (334), at least one lithium strip pressing electric cylinder (335), and a lithium strip pressing positioning plate (336); the separator film support plate (331) is vertically arranged on the frame (1) and is located behind the assembly conveying mechanism (32), the separator film discharging tray (332) and the separator film winding tray (333) are respectively arranged on the separator film support plate (331), the lithium strip pressing bracket (334) is arranged on the frame (1) and is located between the separator film discharging tray (332) and the separator film winding tray (333), the lithium strip pressing electric cylinder (335) is vertically arranged on the lithium strip pressing bracket (334), a lithium strip pressing head (3351) is arranged on the telescopic rod of the lithium strip pressing electric cylinder (335), and the lithium strip pressing head (3351) is located above the separator film strip, the lithium strip pressing positioning plate (336) is arranged on the lithium strip pressing bracket (334), and the lithium strip pressing positioning plate (336) is located below the separator film strip, and a lithium strip pressing positioning hole (3361) for the lithium strip pressing head (3351) to pass through is arranged on the lithium strip pressing positioning plate (336).

6. The lithium strip feeding device for button batteries according to claim 5, wherein, A film feeding distance control component is further arranged on the separator film support plate (331) between the separator film discharging tray (332) and the separator film winding tray (333); the film feeding distance control component includes a separator film driving bracket (351) and a separator film driven bracket (352); separator film tensioning guide rollers (353) are rotatably connected to both the separator film driving bracket (351) and the separator film driven bracket (352), one end of one of the separator film tensioning guide rollers (353) is connected with a separator film tensioning motor, and the separator film strip is tensioned and connected between the two separator film tensioning guide rollers (353); a separator film auxiliary roller (354) is also rotatably connected to the separator film support plate (331).

7. The lithium strip feeding device for button batteries according to claim 1, characterized in that, A press-fitting and rejecting mechanism (36) is further provided on the frame (1); the press-fitting and rejecting mechanism (36) includes a press-fitting and rejecting support (361), at least one press-fitting and rejecting driving member (362), and a press-fitting and rejecting conveyor belt assembly (363); the press-fitting and rejecting support (361) is provided on the frame (1), the press-fitting and rejecting driving member (362) is horizontally arranged on the bottom surface of the top plate of the press-fitting and rejecting support (361), and a rejecting push plate (364) is connected to the telescopic rod of the press-fitting and rejecting driving member (362); a rejecting step opening (365) for rejecting unqualified die sleeves on the lithium strip assembly conveying disc assembly (321) is provided on the rejecting push plate (364); the press-fitting and rejecting conveyor belt assembly (363) is provided on the frame (1), and the press-fitting and rejecting conveyor belt assembly (363) is used for conveying and collecting the rejected waste materials.

8. The lithium strip feeding device for button batteries according to claim 1, wherein, The assembly conveying mechanism (32) includes a lithium strip assembly conveying total driving assembly and a number of sequentially connected lithium strip assembly conveying disc assemblies (321); the lithium strip assembly conveying total driving assembly is used for driving all the lithium strip assembly conveying disc assemblies (321) to rotate synchronously; a first transition conveying turntable (5) connected to the first lithium strip assembly conveying disc assembly (321) is provided on the frame (1); a second transition conveying turntable (6) connected to the last lithium strip assembly conveying disc assembly (321) is provided on the frame (1).

9. The lithium strip feeding device for button batteries according to claim 8, characterized in that, The assembly conveying mechanism (32) includes a lithium strip assembly conveying rotating gear (324) at the bottom, a lithium strip assembly conveying connecting shaft (325) in the middle, and a lithium strip assembly conveying rotating disc (326) at the top; the lithium strip assembly conveying rotating gear (324) is in transmission connection with the lithium strip assembly conveying total driving assembly, and the lithium strip assembly conveying rotating disc (326) rotates synchronously with the lithium strip assembly conveying rotating gear (324) through the lithium strip assembly conveying connecting shaft (325); a lithium strip assembly conveying fixed sleeve (327) is sleeved outside the lithium strip assembly conveying connecting shaft (325), and the lithium strip assembly conveying fixed sleeve (327) is fixedly arranged on the frame (1), and a lithium strip assembly conveying support disc (328) is provided at the top of the lithium strip assembly conveying fixed sleeve (327); the lithium strip assembly conveying support disc (328) is located below the lithium strip assembly conveying rotating disc (326).

10. The lithium strip feeding device for button batteries according to claim 9, characterized in that, A plurality of conveying notches (329) are arranged at intervals on the outer peripheral wall of the lithium strip assembly conveying rotating disc (326), and a lithium strip assembly conveying baffle (3281) is provided on the lithium strip assembly conveying support disc (328) on the outer periphery of the lithium strip assembly conveying rotating disc (326).

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