Button cell pier sealing device

Abstract

The utility model relates to the technical field of button cell production, in particular to a button cell pier sealing device which comprises a rack, a negative electrode cover feeding mechanism, a press-fitting mechanism and a pier sealing discharging mechanism, and the negative electrode cover feeding mechanism, the press-fitting mechanism and the pier sealing discharging mechanism are arranged on the rack. The negative electrode cover feeding mechanism is used for conveying negative electrode covers to the press-fitting mechanism one by one. The press-fitting mechanism is used for press-fitting the negative electrode covers to the shell group one by one, separating from the die sleeve and transferring to the pier sealing discharging mechanism; and the upsetting and discharging mechanism is used for carrying out upsetting operation on the battery shell on which the negative electrode cover is pressed, and conveying and discharging the battery button subjected to upsetting. The device has the advantages that automatic feeding of the negative electrode cover and pier sealing operation of the button battery are achieved, meanwhile, automatic demolding sleeve operation is achieved, time and labor are saved, the production efficiency is greatly improved, and meanwhile assembly consistency and assembly quality can be ensured through automatic assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of button batteries, and in particular to a button battery pier-sealing device. Background Art

[0002] The existing button battery includes a shell group, a positive electrode plate and a negative electrode cover; the shell group includes a shell die sleeve for conveying a battery shell, a battery shell installed in the shell die sleeve, a lithium strip and a separator paper installed in the battery shell; during the production process, the shell group is transported from the previous production area to the manual assembly area, and it is necessary for workers to manually load each positive electrode plate into the battery shell of the shell group one by one. Before manually loading the positive electrode plate, it is necessary to soak the positive electrode plate in an electrolyte bath for liquid absorption. After completing the liquid absorption process, the positive electrode plate is manually placed into the battery shell. After the shell group and the positive electrode plate are assembled, the shell group is manually transferred to the negative electrode cover installation position, and the negative electrode cover is manually installed on the shell of the qualified shell group. Then, the shell group is transferred to a pier-sealing device to perform a pier-sealing operation on the assembled button battery. Finally, the die sleeve is manually removed to complete the production and assembly of the button battery.

[0003] Especially during the above-mentioned negative electrode cover assembly process, all operations are carried out manually by workers, which is time-consuming and laborious, with a relatively high labor cost. Moreover, manual operation cannot ensure the consistency of negative electrode cover assembly, and the overall assembly efficiency is relatively low. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that the existing manual assembly of the negative electrode cover of the button battery has low efficiency and cannot ensure assembly consistency. To overcome the above defects of the prior art, the utility model provides a device that can realize automatic feeding of the negative electrode cover and perform a pier-sealing operation, and also realize automatic demoulding sleeve operation, which saves time and effort, greatly improves production efficiency, and can ensure assembly consistency and assembly quality through automatic assembly.

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

[0006] A button cell caulking device, comprising a frame and a negative electrode cap feeding mechanism, a pressing mechanism and a caulking discharging mechanism arranged on the frame; the negative electrode cap feeding mechanism is used to convey negative electrode caps to the pressing mechanism one by one; the pressing mechanism is used to press the negative electrode caps onto the shell group one by one, and then detach from the die sleeve and transfer to the caulking discharging mechanism; the pressing mechanism includes a negative electrode cap pressing turret, a plurality of negative electrode cap pressing rods arranged at intervals along the circumferential direction of the negative electrode cap pressing turret, and a plurality of shell lifting rods arranged at intervals along the circumferential direction of the negative electrode cap pressing turret; a negative electrode cap pressing positioning seat is sleeved on the negative electrode cap pressing turret; each negative electrode cap pressing rod is connected to the negative electrode cap pressing positioning seat in a lifting manner, and the negative electrode cap pressing rod gradually descends as the negative electrode cap pressing turret rotates and presses the negative electrode cap into the shell group; the shell lifting rod is connected to the negative electrode cap pressing turret in a lifting manner, and the shell lifting rod gradually rises as the negative electrode cap pressing turret rotates to eject the battery shell in the shell group assembled with the negative electrode cap, and transfers the battery shell to the caulking discharging mechanism as the negative electrode cap pressing turret rotates; the caulking discharging mechanism is used to perform caulking operation on the shell group with the negative electrode cap pressed, and convey the assembled button cell out. This device realizes the automatic feeding of the negative electrode cap and the caulking operation, and also realizes the automatic die sleeve detachment operation, which saves time and effort, greatly improves the production efficiency, and can ensure the assembly consistency and quality through automatic assembly.

[0007] Preferably, a negative electrode cap pressing track is arranged along the circumferential direction on the outer peripheral wall of the upper part of the negative electrode cap pressing turret; a negative electrode cap pressing roller is arranged at the top of the negative electrode cap pressing rod, and the negative electrode cap pressing roller is in rolling connection with the negative electrode cap pressing track, and the lifting and positioning of the negative electrode cap pressing rod is realized through the track of the negative electrode cap pressing track. The negative electrode cap is pressed into the shell group through the negative electrode cap pressing rod.

[0008] Preferably, a shell lifting placement disk and a shell lifting limiting disk are respectively arranged at the lower part of the negative electrode cap pressing turret; the shell lifting limiting disk is located above the shell lifting placement disk, and a pressing placement space for the shell group to be placed is provided between the shell lifting placement disk and the shell lifting limiting disk; lifting through holes are arranged at intervals along the circumferential direction on the shell lifting placement disk and the shell lifting limiting disk; the shell lifting rod is connected to the lifting through hole in a lifting manner, and a lifting and lowering positioning bracket is arranged on the frame; a lifting track is arranged on the lifting and lowering positioning bracket; a lifting roller is arranged at the bottom of the shell lifting rod; the lifting roller is in rolling connection with the lifting track, and the lifting and positioning of the shell lifting rod is realized through the track of the lifting track. The battery shell is ejected through the shell lifting rod.

[0009] Preferably, a jacking positioning rod sleeve is provided at each jacking through-hole on the housing jacking placement plate; the housing jacking rod is vertically connected in the jacking positioning rod sleeve, and a jacking spring is sleeved on the housing jacking rod; the upper end of the jacking spring abuts against the jacking positioning rod sleeve, and the lower end of the jacking spring abuts against the housing jacking rod. A vertical positioning through-hole is provided on the jacking positioning rod sleeve; a positioning pin is provided on the outer wall of the housing jacking rod; the positioning pin is inserted into the vertical positioning through-hole. Through the above structure, the jacking positioning accuracy and jacking effect of the housing jacking rod are further improved.

[0010] Preferably, the pier sealing and discharging mechanism includes a pier sealing assembly; the pier sealing assembly includes a pier sealing turret, a plurality of pier sealing pressure rods arranged at intervals along the circumference of the pier sealing turret, and a plurality of pier sealing support rods arranged at intervals along the circumference of the pier sealing turret; a pier sealing positioning seat is sleeved on the upper part of the pier sealing turret; each pier sealing pressure rod is vertically connected in the pier sealing positioning seat, and a pier sealing track is provided on the upper part of the pier sealing turret; a pier sealing roller is provided on the upper part of the pier sealing pressure rod; the pier sealing roller is rollingly connected in the pier sealing track, and the vertical positioning of the pier sealing pressure rod is realized through the track of the pier sealing track; a pier sealing housing group support disk is vertically sleeved on the pier sealing turret; a plurality of housing group positioning stepped holes are arranged at intervals along the circumference on the pier sealing housing group support disk, and a pier sealing support rod positioning seat is provided at the bottom of the pier sealing housing group support disk at each housing group positioning stepped hole; the pier sealing support rod is vertically connected in the pier sealing support rod positioning seat, and a pier sealing spring is sleeved on the pier sealing support rod; the upper end of the pier sealing spring abuts against the pier sealing support rod positioning seat, and the lower end of the pier sealing spring abuts against the pier sealing support rod. A pier sealing annular chassis is provided on the frame; a pier sealing support roller is provided at the bottom of the pier sealing support rod; the pier sealing support roller is rollingly connected to the pier sealing annular chassis. The pier sealing effect is further improved through the pier sealing assembly.

[0011] Preferably, the negative electrode cap feeding mechanism includes a negative electrode cap rotary feeding module; the negative electrode cap rotary feeding module includes a feeding connecting shaft and a feeding rotary disk; the feeding connecting shaft is connected to the feeding rotary disk and rotates synchronously; a negative electrode cap feeding fixed sleeve is sleeved outside the feeding connecting shaft, and the negative electrode cap feeding fixed sleeve is fixedly arranged on the frame. A feeding support disk is provided on the negative electrode cap feeding fixed sleeve; a plurality of housing group notches are arranged at intervals on the outer peripheral wall of the feeding rotary disk, and a negative electrode cap feeding conveying baffle is provided on the feeding support disk at the outer periphery of the feeding rotary disk. Automatic feeding is realized through the negative electrode cap feeding mechanism.

[0012] Preferably, the negative electrode cap feeding mechanism further includes a negative electrode cap feeding assembly, which includes a feeding vibrating disk, a linear conveying bracket, and a linear conveyor belt; the feeding vibrating disk and the linear conveying bracket are respectively arranged on the frame, and the discharging end of the feeding vibrating disk is connected to the feeding end of the linear conveying bracket; the linear conveyor belt is rotationally connected to the linear conveying bracket, and the linear conveyor belt is driven to operate and convey by a negative electrode cap linear conveying motor; the discharging end of the linear conveying bracket is connected to the feeding end of the negative electrode cap rotating feeding module; and a feeding control driving member is arranged at the linear conveying bracket; a feeding connecting rod is connected to the telescopic rod of the feeding control driving member, and the feeding connecting rod is used to push the negative electrode caps into the negative electrode cap rotating feeding module one by one. Automatic feeding is realized through the negative electrode cap feeding mechanism.

[0013] Preferably, the negative electrode cap feeding mechanism further includes a shell group conveying assembly, which has the same structure as the negative electrode cap feeding assembly. The discharging end of the shell group conveying assembly and the discharging end of the negative electrode cap feeding assembly are respectively connected to a pressing assembly, and the shell group on the shell group conveying assembly enters the pressing assembly earlier than the negative electrode sheet on the negative electrode cap feeding assembly.

[0014] Preferably, a die sleeve discharging rotating module is connected to the discharging end of the pressing assembly on the frame; the die sleeve discharging rotating module has the same structure as the negative electrode cap rotating feeding module.

[0015] Preferably, an assembly transition conveying module is arranged between the pier-sealing discharging mechanism and the pressing assembly; the assembly transition conveying module has the same structure as the negative electrode cap rotating feeding module.

[0016] In summary, the advantages of the present invention are that the device realizes automatic feeding of the negative electrode cap and pier-sealing it onto the shell group, replaces manual processing, realizes automated operation, saves time and effort, greatly improves production efficiency, and at the same time can ensure assembly consistency and assembly quality through automated assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the button battery pier-sealing device of the present invention.

[0018] Figure 2 is a plan view of the button battery pier-sealing device of the present invention.

[0019] Figure 3 is a schematic structural diagram of the pressing assembly in the present invention.

[0020] Figure 4 is a schematic structural diagram of the pier-sealing discharging mechanism in the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings.

[0022] As Figures 1 to 4 shown, a button cell sealing device includes a frame 1 and a negative electrode cap assembly transfer total drive mechanism 40, a negative electrode cap feeding mechanism 41, a pressing mechanism 42, and a sealing and discharging mechanism 43 provided on the frame 1; the negative electrode cap assembly transfer total drive mechanism 40 is used to synchronize the transfer and transportation among the negative electrode cap feeding mechanism 41, the pressing mechanism 42, and the sealing and discharging mechanism 43. The negative electrode cap assembly transfer total drive mechanism 40 has a structure of a conventional negative electrode cap assembly transfer total drive motor combined with a negative electrode cap assembly transfer total gear, and realizes synchronous rotation through the mutual meshing between the negative electrode cap assembly transfer total gear and the driven gears on each mechanism. The negative electrode cap feeding mechanism 41 is used to individually convey the negative electrode caps to the pressing mechanism 42; the pressing mechanism 42 is used to press the negative electrode caps onto the shell group one by one, and then separate from the die sleeve and transfer to the sealing and discharging mechanism 43; the sealing and discharging mechanism 43 is used to seal the shell group and complete the assembly of the button cell, and convey the assembled button cell out of the device. This device realizes the automatic feeding of the negative electrode cap and the sealing onto the shell group, replaces manual processing, realizes automated operation, saves time and effort, greatly improves production efficiency, and at the same time can ensure assembly consistency and assembly quality through automated assembly.

[0023] As Figures 1 to 4 shown, the negative electrode cap feeding mechanism 41 includes a negative electrode cap feeding assembly, a shell group conveying assembly 410, and a negative electrode cap rotary feeding module; the negative electrode cap feeding assembly includes a feeding vibrating disk 411, a linear conveying bracket 412, and a linear conveyor belt 413; the feeding vibrating disk 411 and the linear conveying bracket 412 are respectively arranged on the frame 1, and the discharging end of the feeding vibrating disk 411 is connected to the feeding end of the linear conveying bracket 412; the linear conveyor belt 413 is rotatably connected to the linear conveying bracket 412, and the linear conveyor belt 413 is driven to operate through a negative electrode cap linear conveying motor, and it is convenient to convey the negative electrode caps through the linear conveyor belt 413. The discharging end of the linear conveying bracket 412 is connected to the feeding end of the negative electrode cap rotary feeding module; and a feeding control driving part 4121 is arranged at the linear conveying bracket 412, and the feeding control driving part 4121 realizes linear driving through a cylinder, an electric cylinder or an oil cylinder; a feeding connecting rod 4122 is connected to the driving part of the feeding control driving part 4121, and the feeding connecting rod 4122 is used to individually push the negative electrode caps into the negative electrode cap rotary feeding module. Through the feeding control driving part 4121, it is convenient to change the feeding trajectory of the negative electrode caps, so as to play a role in guiding and changing the track, and ensure that the negative electrode caps can better enter the negative electrode cap rotary feeding module.

[0024] As Figure 1 andFigure 2 As shown, the negative electrode cover rotary feeding module includes a feeding rotating gear at the bottom, a feeding connecting shaft 414 in the middle, and a feeding rotating disk 415 at the top; the feeding rotating gear is connected to the negative electrode cover assembly circulation total driving mechanism 40 by transmission, and the feeding rotating disk 415 rotates synchronously with the feeding rotating gear through the feeding connecting shaft 414; the feeding connecting shaft 414 is provided with a negative electrode cover feeding fixing sleeve 416, and the negative electrode cover feeding fixing sleeve 416 is fixedly set on the frame 1, and a feeding support disk 4161 is provided on the top of the negative electrode cover feeding fixing sleeve 416; the feeding support disk 4161 is located below the feeding rotating disk 415, and is better supported by the feeding support disk 4161. A plurality of shell group notches 4151 are arranged at intervals on the outer peripheral wall of the feeding rotating disk 415, and the shell group notches 4151 can be matched with the outer peripheral wall size of the negative electrode sheet to ensure accurate and stable transportation. A negative electrode cap feeding and conveying baffle 417 is provided on the feeding support disk 4161 at the periphery of the feeding rotating disk 415, and the negative electrode cap feeding and conveying baffle 417 can prevent the negative electrode sheet from falling during conveying. The shell group conveying assembly 410 has the same structure as the negative electrode cap feeding assembly, and the discharge end of the shell group conveying assembly 410 and the discharge end of the negative electrode cap feeding assembly are respectively connected to the pressing mechanism 42, and the shell group on the shell group conveying assembly 410 enters the pressing mechanism 42 before the negative electrode sheet on the negative electrode cap feeding assembly. The negative electrode cap feeding mechanism 41 facilitates the feeding of the negative electrode cap and the shell group, and the negative electrode cap is installed on the shell group.

[0025] like Figures 1 to 4As shown in the figure, the press-fitting mechanism 42 includes a negative electrode cover press-fitting turret 421, a plurality of negative electrode cover press-fitting rods 422 arranged at circumferential intervals along the negative electrode cover press-fitting turret 421, and a plurality of housing lifting rods 423 arranged at circumferential intervals along the negative electrode cover press-fitting turret 421; a negative electrode cover press-fitting driving gear 4211 is provided at the bottom of the negative electrode cover press-fitting turret 421; the negative electrode cover press-fitting driving gear 4211 meshes with the negative electrode cover assembly transfer total driving gear or other driven gears on the negative electrode cover assembly transfer total driving mechanism 40 to achieve transmission, and a negative electrode cover press-fitting positioning seat 4210 is sleeved on the upper part of the negative electrode cover press-fitting turret 421; each negative electrode cover press-fitting rod 422 is vertically connected in the negative electrode cover press-fitting positioning seat 4210, and a negative electrode cover press-fitting track 4212 is arranged along the circumferential direction on the outer peripheral wall of the upper part of the negative electrode cover press-fitting turret 421; a negative electrode cover press-fitting roller 4221 is provided at the top of the negative electrode cover press-fitting rod 422, and the negative electrode cover press-fitting roller 4221 is rollingly connected in the negative electrode cover press-fitting track 4212, and the negative electrode cover press-fitting rod 422 is lifted and positioned through the track of the negative electrode cover press-fitting track 4212, so that the negative electrode cover press-fitting rod 422 can be pressed down to press the negative electrode cover onto the housing group. A housing lifting placement plate 4213 and a housing lifting limit plate 4214 are respectively arranged at the lower part of the negative electrode cover press-fitting turret 421; the housing lifting limit plate 4214 is located above the housing lifting placement plate 4213, and a press-fitting placement space for placing the housing group is provided between the housing lifting placement plate 4213 and the housing lifting limit plate 4214, and it is convenient to place the housing group into the press-fitting placement space for limiting. Lifting through holes 4215 are arranged at circumferential intervals on the housing lifting placement plate 4213 and the housing lifting limit plate 4214, and the diameter of the housing group is larger than the diameter of the lifting through holes 4215, so as to prevent the housing group from falling from the lifting through holes 4215. The housing lifting rod 423 is vertically connected in the lifting through hole 4215, and the frame 1 is provided with a lifting and lowering positioning bracket 424; a lifting track 425 is arranged on the lifting and lowering positioning bracket 424; a lifting roller 4231 is provided at the bottom of the housing lifting rod 423; the lifting roller 4231 is rollingly connected in the lifting track 425, and the housing lifting rod 423 is lifted and positioned through the track of the lifting track 425, so that the battery housing can be pushed out of the mold sleeve; a lifting positioning rod sleeve 426 is provided at the bottom surface of the housing lifting placement plate 4213 at each lifting through hole 4215; the housing lifting rod 423 is vertically connected in the lifting positioning rod sleeve 426, and a lifting spring 427 is sleeved on the housing lifting rod 423; the upper end of the lifting spring 427 abuts against the lifting positioning rod sleeve 426, and the lower end of the lifting spring 427 abuts against the housing lifting rod 423. The lifting spring 427 can facilitate a better buffering effect during lifting, so as to prevent hard contact and achieve a better pushing-out effect.A vertical positioning through-hole 4261 is provided on the jacking positioning rod sleeve 426; a positioning pin 4232 is provided on the outer wall of the housing jacking rod 423; the positioning pin 4232 is inserted into the vertical positioning through-hole 4261, and the housing jacking rod 423 can be accurately vertically jacked through the cooperation between the positioning pin 4232 and the vertical positioning through-hole 4261, preventing tilting during the jacking process. A die sleeve discharging and rotating module 46 is connected to the discharging end of the pressing mechanism 42 on the frame 1; the structure of the die sleeve discharging and rotating module 46 is the same as that of the negative electrode cap rotating feeding module. The pressing mechanism 42 facilitates the pressing and fixing of the negative electrode cap to the housing group.

[0026] Such as Figures 1 to 4As shown, an assembly transition conveying module 44 is provided between the pier-sealing discharging mechanism 43 and the pressing mechanism 42; the structure of the assembly transition conveying module 44 is the same as that of the negative electrode cap rotary feeding module; the pier-sealing discharging mechanism 43 includes a pier-sealing assembly and an assembly discharging assembly 45; the pier-sealing assembly includes a pier-sealing turret 431, a plurality of pier-sealing pressing rods 432 arranged at intervals along the circumference of the pier-sealing turret 431, and a plurality of pier-sealing support rods 433 arranged at intervals along the circumference of the pier-sealing turret 431; a pier-sealing driving gear 4311 is connected to the bottom of the pier-sealing turret 431; the pier-sealing driving gear 4311 meshes with the negative electrode cap assembly flow total driving gear or other driven gears on the negative electrode cap assembly flow total driving mechanism 40 to achieve transmission. A pier-sealing positioning seat 434 is sleeved on the upper part of the pier-sealing turret 431; each pier-sealing pressing rod 432 is connected to the inside of the pier-sealing positioning seat 434 in a lifting manner, and a pier-sealing track 4312 is provided on the upper part of the pier-sealing turret 431; a pier-sealing roller 4321 is provided on the upper part of the pier-sealing pressing rod 432; the pier-sealing roller 4321 is connected to the inside of the pier-sealing track 4312 in a rolling manner, and the pier-sealing pressing rod 432 is lifted and positioned through the track of the pier-sealing track 4312, so that the pier-sealing pressing rod 432 can be gradually pressed down onto the negative electrode cap for pier-sealing operation. A pier-sealing shell group support disc 435 is sleeved on the pier-sealing turret 431 in a lifting manner; a number of shell group positioning stepped holes 4351 are arranged at intervals along the circumference on the pier-sealing shell group support disc 435, and a pier-sealing support rod positioning seat 4352 is provided at the bottom surface of the pier-sealing shell group support disc 435 at each shell group positioning stepped hole 4351; the pier-sealing support rod 433 is connected to the inside of the pier-sealing support rod positioning seat 4352 in a lifting manner, and a pier-sealing spring 436 is sleeved on the pier-sealing support rod 433; the upper end of the pier-sealing spring 436 abuts against the pier-sealing support rod positioning seat 4352, and the lower end of the pier-sealing spring 436 abuts against the pier-sealing support rod 433. Through the pier-sealing spring 436, when pier-sealing, the pier-sealing support rod 433 can support at the bottom of the battery shell, playing a better supporting role, and can play a buffering role when pier-sealing, preventing hard contact and ensuring a better pier-sealing effect. The frame 1 is provided with a pier-sealing annular chassis 437; a pier-sealing support roller 438 is provided at the bottom of the pier-sealing support rod 433; the pier-sealing support roller 438 is connected to the pier-sealing annular chassis 437 in a rolling manner; the feeding end of the assembly discharging assembly 45 is connected to the discharging end of the pier-sealing assembly, and the structure of the assembly discharging assembly 45 is the same as that of the negative electrode cap rotary feeding module. The automatic pier-sealing after pressing is realized through the pier-sealing discharging mechanism 43, and it is convenient to convey and discharge the shell group after pier-sealing.

[0027] When the device is working, the negative electrode caps are conveyed one by one from the feeding vibrating disk 411 to the linear conveyor belt 413, and at the discharging end of the linear conveyor belt 413, the negative electrode caps are pushed one by one into the die sleeve notches 4151 of the feeding rotating disk 415 on the negative electrode cap rotating feeding module through the feeding control driving part 4121 (cylinder). By rotating the feeding rotating disk 415, the negative electrode caps are transferred one by one to the jacking through holes 4215 of the housing jacking limiting disk 4214 of the press-fitting mechanism 42. The shell group enters the press-fitting placement space of the press-fitting mechanism 42 through the same feeding method as the negative electrode cap and earlier than the negative electrode cap, so that the negative electrode cap is conveyed above the shell group. By rotating the negative electrode cap press-fitting turret 421, the negative electrode cap press-fitting rod 422 gradually descends along with the negative electrode cap press-fitting track 4212, and the negative electrode cap is press-fitted onto the battery housing of the shell group to form a finished button battery. After press-fitting, the housing jacking rod 423 gradually rises along with the jacking track 425, so that the housing jacking rod 423 passes through the housing jacking placement disk 4213 to jack the finished button battery in the die sleeve out of the jacking through hole 4215 of the housing jacking limiting disk 4214, and the ejected finished button battery flows onto the rotating disk of the assembly transition conveying module 44 along with the rotation of the negative electrode cap press-fitting turret 421, and is transferred into the pier-sealing discharging mechanism 43 along with the assembly transition conveying module 44. At the same time, the die sleeve is transferred into the die sleeve discharging rotating module 46 along with the rotation of the negative electrode cap press-fitting turret 421, and the die sleeve is conveyed and recycled for subsequent circulation and continuous use; the finished button battery that enters the pier-sealing discharging mechanism 43 falls into the shell group positioning stepped holes 4351 of the pier-sealing shell group supporting disk 435. Along with the rotation of the pier-sealing turret 431, the pier-sealing pressure rod 432 descends along the track of the pier-sealing track 4312, so that the pier-sealing head at the lower end of the pier-sealing pressure rod 432 presses on the battery housing equipped with the negative electrode cap, and the button battery is subjected to the pier-sealing operation. At the same time, under the action of the upper pressure and the pier-sealing spring 436, the pier-sealing shell group supporting disk 435 can move downward, so that the pier-sealing support rod 433 in the pier-sealing support rod positioning seat 4352 protrudes upward relative to the pier-sealing shell group supporting disk 435 to support the bottom of the finished button battery, ensuring the supportability and stability during pier-sealing, and finally being able to ensure the overall pier-sealing effect. There is no need for manual pressing of the negative electrode cap anymore, which saves time and effort. At the same time, through the processing of automated equipment, the consistency of negative electrode cap press-fitting and pier-sealing and the overall processing quality can be ensured.

[0028] In summary, the advantages of the present utility model are that the device realizes the automatic feeding of the negative electrode cap and the pier-sealing onto the shell group, replaces manual processing, realizes automated operation, saves time and effort, greatly improves production efficiency, and at the same time, through automated assembly, the assembly consistency and assembly quality can be ensured.

Claims

1. A button battery caulking device, characterized in that, It includes a frame (1), a negative electrode cap feeding mechanism (41), a press-fitting mechanism (42), and a pier-sealing discharging mechanism (43) provided on the frame (1); the negative electrode cap feeding mechanism (41) is used to convey negative electrode caps to the press-fitting mechanism (42) one by one; the press-fitting mechanism (42) is used to press-fit negative electrode caps onto the shell group one by one, and then detach from the die sleeve and transfer to the pier-sealing discharging mechanism (43); the press-fitting mechanism (42) includes a negative electrode cap press-fitting turret (421), a plurality of negative electrode cap press-fitting rods (422) arranged at intervals along the circumference of the negative electrode cap press-fitting turret (421), and a plurality of shell lifting rods (423) arranged at intervals along the circumference of the negative electrode cap press-fitting turret (421); a negative electrode cap press-fitting positioning seat (4210) is sleeved on the negative electrode cap press-fitting turret (421); each negative electrode cap press-fitting rod (422) is connected to the negative electrode cap press-fitting positioning seat (4210) in a lifting manner, and the negative electrode cap press-fitting rod gradually descends as the negative electrode cap press-fitting turret (421) rotates and presses the negative electrode cap into the shell group; the shell lifting rod (423) is connected to the negative electrode cap press-fitting turret (421) in a lifting manner, and the shell lifting rod (423) gradually rises as the negative electrode cap press-fitting turret (421) rotates to push out the battery shell in the shell group assembled with the negative electrode cap, and transfers the battery shell to the pier-sealing discharging mechanism (43) as the negative electrode cap press-fitting turret (421) rotates; the pier-sealing discharging mechanism (43) is used to perform pier-sealing operation on the battery shell with the negative electrode cap pressed, and convey the assembled battery button out of the machine.

2. The button cell caulking device according to claim 1, wherein A negative electrode cap press-fitting track (4212) is arranged along the circumference on the outer peripheral wall of the upper part of the negative electrode cap press-fitting turret (421); a negative electrode cap press-fitting roller (4221) is provided at the top of the negative electrode cap press-fitting rod (422), and the negative electrode cap press-fitting roller (4221) is in rolling connection with the negative electrode cap press-fitting track (4212), and the negative electrode cap press-fitting rod (422) realizes lifting and positioning through the track of the negative electrode cap press-fitting track (4212).

3. The button cell sealing device according to claim 1 or 2, characterized in that, A shell lifting placement disk (4213) and a shell lifting limiting disk (4214) are respectively arranged at the lower part of the negative electrode cap press-fitting turret (421); a press-fitting placement space for the shell group to be placed is provided between the shell lifting placement disk (4213) and the shell lifting limiting disk (4214), and lifting through holes (4215) are arranged at intervals along the circumference on the shell lifting placement disk (4213) and the shell lifting limiting disk (4214); the shell lifting rod (423) is connected to the lifting through hole (4215) in a lifting manner, and a lifting and lowering positioning bracket (424) is arranged on the frame (1); a lifting track (425) is arranged on the lifting and lowering positioning bracket (424); a lifting roller (4231) is provided at the bottom of the shell lifting rod (423); the lifting roller (4231) is in rolling connection with the lifting track (425), and the shell lifting rod (423) realizes lifting and positioning through the track of the lifting track (425).

4. The button cell sealing device according to claim 3, characterized in that: On the housing lifting placement plate (4213), a lifting positioning rod sleeve (426) is provided at each lifting through hole (4215); the housing lifting rod (423) is vertically connected to the inside of the lifting positioning rod sleeve (426), and a lifting spring (427) is sleeved on the housing lifting rod (423); the upper end of the lifting spring (427) abuts against the lifting positioning rod sleeve (426), and the lower end of the lifting spring (427) abuts against the housing lifting rod (423). A vertical positioning through hole (4261) is provided on the lifting positioning rod sleeve (426); a positioning pin (4232) is provided on the outer wall of the housing lifting rod (423); the positioning pin (4232) is inserted into the vertical positioning through hole (4261).

5. The button cell sealing device according to claim 1, characterized in that: The pier sealing and discharging mechanism (43) includes a pier sealing assembly; the pier sealing assembly includes a pier sealing turret (431), a plurality of pier sealing pressure rods (432) arranged at intervals along the circumference of the pier sealing turret (431), and a plurality of pier sealing support rods (433) arranged at intervals along the circumference of the pier sealing turret (431); a pier sealing positioning seat (434) is sleeved on the pier sealing turret (431); each pier sealing pressure rod (432) is vertically connected to the inside of the pier sealing positioning seat (434), and a pier sealing track (4312) is provided on the pier sealing turret (431); a pier sealing roller (4321) is provided on the pier sealing pressure rod (432); the pier sealing roller (4321) is connected to the pier sealing track (4312) in a rolling manner, and the lifting and positioning of the pier sealing pressure rod (432) is realized through the track of the pier sealing track (4312); a pier sealing housing group support plate (435) is vertically sleeved on the pier sealing turret (431); a plurality of housing group positioning stepped holes (4351) are arranged at intervals along the circumference on the pier sealing housing group support plate (435), and a pier sealing support rod positioning seat (4352) is provided at each housing group positioning stepped hole (4351) on the pier sealing housing group support plate (435); the pier sealing support rod (433) is vertically connected to the inside of the pier sealing support rod positioning seat (4352), and a pier sealing spring (436) is sleeved on the pier sealing support rod (433); the upper end of the pier sealing spring (436) abuts against the pier sealing support rod positioning seat (4352), and the lower end of the pier sealing spring (436) abuts against the pier sealing support rod (433). The frame (1) is provided with a pier sealing annular chassis (437); a pier sealing support roller (438) is provided on the pier sealing support rod (433); the pier sealing support roller (438) is connected to the pier sealing annular chassis (437) in a rolling manner.

6. The button cell sealing device according to claim 1, characterized in that, The negative electrode cover feeding mechanism (41) includes a negative electrode cover rotary feeding module; the negative electrode cover rotary feeding module includes a feeding connecting shaft (414) and a feeding rotary disk (415); the feeding connecting shaft (414) is connected to the feeding rotary disk (415) and rotates synchronously therewith; a negative electrode cover feeding fixed sleeve (416) is sleeved outside the feeding connecting shaft (414), and the negative electrode cover feeding fixed sleeve (416) is fixedly arranged on the frame (1). A feeding support disk (4161) is arranged on the negative electrode cover feeding fixed sleeve (416); a plurality of shell group notches (4151) are arranged at intervals on the outer peripheral wall of the feeding rotary disk (415), and a negative electrode cover feeding conveying baffle (417) is arranged on the feeding support disk (4161) at the outer periphery of the feeding rotary disk (415).

7. The button cell pier-sealing device according to claim 6, wherein, The negative electrode cover feeding mechanism (41) further includes a negative electrode cover feeding assembly, the negative electrode cover feeding assembly includes a feeding vibrating disk (411), a linear conveying bracket (412) and a linear conveyor belt (413); the feeding vibrating disk (411) and the linear conveying bracket (412) are respectively arranged on the frame (1), and the discharging end of the feeding vibrating disk (411) is connected to the feeding end of the linear conveying bracket (412); the linear conveyor belt (413) is rotatably connected to the linear conveying bracket (412), and the linear conveyor belt (413) is driven to operate and convey by a negative electrode cover linear conveying motor; the discharging end of the linear conveying bracket (412) is connected to the feeding end of the negative electrode cover rotary feeding module; and a feeding control driving member (4121) is arranged at the linear conveying bracket (412); a feeding connecting rod (4122) is connected to the driving part of the feeding control driving member (4121), and the feeding connecting rod (4122) is used for pushing the negative electrode covers into the negative electrode cover rotary feeding module one by one.

8. The button cell pier-sealing device according to claim 7, wherein, The negative electrode cover feeding mechanism (41) further includes a shell group conveying assembly (410), the structure of the shell group conveying assembly (410) is the same as that of the negative electrode cover feeding assembly, the discharging ends of the shell group conveying assembly (410) and the negative electrode cover feeding assembly are respectively connected to a pressing mechanism (42), and the shell groups on the shell group conveying assembly (410) enter the pressing mechanism (42) earlier than the negative electrode sheets on the negative electrode cover feeding assembly.

9. The button cell pier-sealing device according to claim 6, characterized in that, A die sleeve discharging rotary module (46) is connected to the discharging end of the pressing mechanism (42) on the frame (1); the structure of the die sleeve discharging rotary module (46) is the same as that of the negative electrode cover rotary feeding module.

10. The button cell sealing device according to claim 6, characterized in that, An assembly transition conveying module (44) is arranged between the pier sealing discharging mechanism (43) and the pressing mechanism (42); the structure of the assembly transition conveying module (44) is the same as that of the negative electrode cover rotary feeding module.

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