CN111261921B

CN111261921B - Rotary workbench for assembling button cell

Info

Publication number: CN111261921B
Application number: CN202010086058.8A
Authority: CN
Inventors: 李玲芳; 原志朋; 胡壮; 范长岭
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2023-05-30
Anticipated expiration: 2040-02-11
Also published as: CN111261921A

Abstract

The invention provides a rotary workbench for assembling a button cell, which comprises a base, wherein a rotary mechanism, a rotary disk, a positioning mechanism and a liquid dropping mechanism are arranged on the base, a plurality of round grooves are uniformly formed in the top surface of the rotary disk and are connected with the base through the rotary mechanism, the positioning mechanism comprises a lifting mechanism and a positioning plate, the lifting mechanism comprises a connecting rod, a fixed sleeve and a cylindrical cam, the connecting rod is sleeved outside the lifting mechanism from inside, one end of the connecting rod is provided with a shaft pin, a vertical chute and a handle are arranged on the side wall of the cylindrical cam, the shaft pin penetrates through the vertical chute and the spiral chute, the cylindrical cam is rotated through the handle, the shaft pin is driven by the spiral chute to slide along the vertical chute, so that the positioning plate is driven to limit the position of the round grooves, electrode plates and gaskets are assisted to be led into the round grooves, and the liquid dropping mechanism injects electrolyte into the button cell; the rotary workbench for assembling the button cell has the advantages of simple structure, accurate alignment and assembly, labor efficiency improvement and labor intensity reduction.

Description

Rotary workbench for assembling button cell

Technical Field

The invention belongs to the field of button cells, and particularly relates to a rotary workbench for assembling a button cell.

Background

Button cells are also called button cells, and are shaped like a button, have a large diameter and a small thickness, and are widely used in various miniature electronic products. The prior button cell generally comprises a negative electrode cover, a gasket, a negative electrode plate, a diaphragm, a positive electrode plate, electrolyte and a positive electrode cover.

In a laboratory, in order to verify the influence of different anode and cathode materials, electrolyte, diaphragms and the like on the performance of a battery, experiments are required for manufacturing button cells in small batches, and if the button cells are entrusted to a third party to carry out batch production by utilizing an automatic production line, on one hand, the cost is high, and on the other hand, the period is long, so that the button cells can only be assembled manually. The manual assembly is carried out in a glove box except for battery sealing, so that the assembly operators are required to have high concentration in spirit, the labor intensity is high, time and labor are wasted, the efficiency is low, the positioning in the assembly process is difficult to control, the alignment of positive and negative pole pieces is inaccurate, the consistency of the battery is poor, the dislocation of the pole pieces can cause ion deposition phenomenon, capacity loss is caused, and even the battery is scrapped due to short circuit.

Disclosure of Invention

The invention aims to solve the technical problem of providing the rotary workbench for assembling the button cell, which has the advantages of simple structure, accurate alignment and assembly, labor efficiency improvement and labor intensity reduction.

In order to achieve the above purpose, the technical scheme of the invention is that the rotary workbench for assembling the button cell comprises a base, wherein a rotary mechanism, a rotary disk, a positioning mechanism and a dropping mechanism are arranged on the base, a plurality of round grooves are uniformly formed in the top surface of the rotary disk and are connected with the base through the rotary mechanism, the positioning mechanism comprises a lifting mechanism and a positioning plate, the lifting mechanism comprises a connecting rod, a fixed sleeve and a cylindrical cam which are sleeved from inside to outside, one end of the connecting rod is connected with the positioning plate, a shaft pin is arranged on the side wall of the other end of the connecting rod along the radial direction of the connecting rod, the fixed sleeve is connected with the base, a vertical chute arranged along the axial direction of the fixed sleeve is arranged on the side wall of the fixed sleeve, a spiral chute and a handle are arranged on the side wall of the cylindrical cam, the handle is arranged along the radial direction of the cylindrical cam, the shaft pin penetrates through the vertical chute and the spiral chute, the cylindrical cam rotates the cylindrical chute to drive the shaft pin to slide along the vertical chute, so that the positioning plate vertically lifts, the positioning plate limits the position of the round grooves, the positive electrode plate, the negative electrode plate and the gasket are led into the button cell in the round grooves, and the dropping mechanism is button cell in the button cell.

Preferably, the positioning plate is provided with a semi-annular groove, the outer diameter of the semi-annular groove is matched with the circular groove, and the inner diameter of the semi-annular groove is matched with the positive plate, the negative plate and the gasket.

Preferably, the rotating mechanism comprises a stand column, a flange and a rolling frame, one end of the stand column is connected with the base, the other end of the stand column is connected with the flange, the rolling frame is annular and sleeved on the flange, a plurality of rollers perpendicular to the annular plane of the rolling frame are arranged on the rolling frame, and the flange is connected with the rotating disc through the rollers.

Preferably, the flange is provided with a floating pin, a plurality of first inclined grooves are uniformly formed in the bottom surface of the rotating disc, the plurality of first inclined grooves are connected end to form a circle, and the floating pin is matched with the first inclined grooves.

Preferably, the top of the upright post is provided with a storage disc.

Preferably, the dropping mechanism comprises a supporting rod, a U-shaped plate and a dropper, wherein the dropper is connected with one end of the supporting rod through the U-shaped plate, and the other end of the supporting rod is connected with the base.

Preferably, the lifting height of the lifting mechanism is 10mm.

Preferably, the number of the semi-annular grooves is 3, the number of the circular grooves is 12, and the 3 semi-annular grooves are respectively concentric with three adjacent circular grooves.

Preferably, the base is provided with a storage groove.

Preferably, the side wall of each circular groove is provided with a second chute.

The invention has the advantages that,

1. according to the invention, the rotating disk is arranged on the base, the cylindrical cam is rotated through the handle, the inclined surface of the spiral chute drives the shaft pin to slide along the vertical chute, so that the positioning plate can vertically lift and can be prevented from rotating, the positive plate, the negative plate and the gasket are guided into the button cell in the circular groove, and the electrolyte is injected into the button cell in the circular groove by the liquid dropping mechanism, so that the operation is simple, the labor efficiency is improved, and the labor intensity is reduced;

2. the outer diameter of the semi-annular groove is matched with the circular groove, the inner diameter of the semi-annular groove is matched with the positive plate, the negative plate and the gasket, so that the centers of the positive plate, the negative plate and the gasket are aligned with the center of the positive shell and smoothly led into the positive shell in the circular groove, and the consistency of the assembled button cell is ensured;

3. the flange is connected with the rotary disk through the roller, the rotary disk concentrically rolls on the flange through the roller, the structure is simple, the operation is convenient, the friction resistance is small, the labor intensity can be reduced, and the assembly efficiency is improved;

4. the first inclined grooves are connected end to form a circle, the floating pin always moves in the first inclined grooves, when the floating pin rises to the highest point, the floating pin collides with the bottom surface of the rotary disk to hear obvious sound, and the impact sound can remind assembly personnel of completing indexing and is blocked by the vertical surface of the first inclined grooves, so that the indexing unidirectional rotation of the rotary disk is realized, and neglected loading or repeated placement of the same component is avoided;

5. the storage disc is arranged at the top end of the upright post and can be used for placing a battery shell, a positive plate/negative plate, a gasket and a diaphragm, so that the workbench can be kept clean and orderly, and mixing is effectively avoided;

6. in the traditional manual assembly, electrolyte is required to be dripped into each battery, the dropper is suspended above the circular groove through the support rod and the U-shaped plate, and the dripping of the electrolyte is completed when the rotating disc is rotated, so that the dropper can be prevented from being frequently taken, the labor intensity is reduced, the assembly efficiency is improved, the electrolyte is ensured to be dripped into the center of the positive electrode shell, and the quality of the assembled battery is ensured;

7. the lifting height of the lifting mechanism is limited to 10mm, so that when button cells with different thicknesses are assembled, the lowering locking of the semi-annular groove and the lifting releasing of the circular groove can be met, the fatigue caused by the fact that the lifting height is too high can be avoided, the manual rotation is increased, and the assembly efficiency is reduced;

8. by setting 3 semi-annular grooves and 12 circular grooves, the indexing of the rotary disk is limited to 90 degrees, three circular grooves 31 can be positioned simultaneously, three batteries are assembled, the action of lifting the positioning plate 42 can be reduced, the labor intensity is reduced, and the assembly efficiency is improved;

9. the base is provided with the storage groove so as to be convenient for placing articles such as tweezers, paper towels and the like, so that the table top of the workbench is tidy and orderly, and the operation is smooth;

10. the second chute is arranged on the side wall of each circular groove, so that assembled batteries can be conveniently taken down by tweezers, the difficulty of taking out button batteries from the circular grooves is reduced, and the assembly efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a side view of the embodiment shown in FIG. 1;

FIG. 3 is a schematic view of the base shown in FIG. 1;

FIG. 4 is a schematic view of the rotary mechanism shown in FIG. 1;

FIG. 5 is a schematic view of the structure of the rolling stand shown in FIG. 4;

FIG. 6 is a schematic view of the tray shown in FIG. 1;

FIG. 7 is a top view of the rotary disk shown in FIG. 1;

FIG. 8 is a schematic view of the rotary disk of FIG. 7 from another perspective;

FIG. 9 is a schematic view of the second chute shown in FIG. 8 in an expanded configuration;

FIG. 10 is a schematic view of the positioning mechanism shown in FIG. 1;

FIG. 11 is a schematic view of the positioning plate shown in FIG. 10;

FIG. 12 is a schematic view of the cylindrical cam shown in FIG. 10;

FIG. 13 is a schematic view of the fixing sleeve shown in FIG. 10;

FIG. 14 is a schematic view of the drip mechanism shown in FIG. 1;

fig. 15 is an exploded view of the button cell.

In the figure, 1-base, 11-storage groove, 2-rotating mechanism, 21-upright post, 211-containing disc, 22-flange, 23-rolling frame, 231-roller, 24-floating pin, 221-blind hole, 241-pin sleeve, 242-short pin, 243-spring, 3-rotating disc, 31-round groove, 32-first chute, 33-second chute, 4-positioning mechanism, 41-lifting mechanism, 411-connecting rod, 412-fixed sleeve, 413-cylindrical cam, 414-axle pin, 415-vertical chute, 416-spiral chute, 417-handle, 42-positioning plate, 421-semi-annular groove, 5-dropping mechanism, 51-supporting rod, 52-U-shaped plate, 53-dropper, a-positive shell, b-positive plate, c-diaphragm, d-negative plate (or lithium plate), e-pad, f-negative shell.

Detailed Description

The technical scheme of the invention is further specifically described below with reference to the accompanying drawings and specific embodiments:

referring to fig. 1-7, the rotary workbench for assembling a button cell provided in this embodiment includes a base 1, a rotary mechanism 2, a rotary disc 3, a positioning mechanism 4 and a dropping mechanism 5 are disposed on the

base

1, 12 round slots 31 with size matching with the positive electrode shell of the button cell are disposed on the top surface of the rotary disc 3, and are connected with the base 1 through the rotary mechanism 2, the positioning mechanism 4 includes a lifting mechanism 41 and a positioning plate 42, the lifting mechanism 41 includes a connecting rod 411, a fixed sleeve 412 and a cylindrical cam 413 which are sleeved from inside to outside, one end of the connecting rod 411 is connected with the positioning plate 42, a shaft pin 414 is disposed on a side wall of the other end along a radial direction thereof, the fixed sleeve 412 is connected with the base 1, and be equipped with the vertical spout 415 that sets up along its axial direction on the lateral wall, be equipped with spiral spout 416 and handle 417 on the lateral wall of cylindrical cam 413, pivot 414 passes vertical spout 415 and spiral spout 416, the radial direction setting of cylindrical cam 413 is followed to the handle 417, through handle 417 rotates cylindrical cam 413, and the inclined plane of spiral spout 416 drives pivot 414 motion, and pivot 414 slides along vertical spout 415 this moment, can realize locating plate 42 vertical lift again can guarantee that locating plate 42 does not take place the rotation to guarantee to rotating disk 3 accurate location, locating plate 42 limits the position of circular slot 31, guides the button cell in the circular slot 31 with positive plate, negative plate and gasket, dropping mechanism 5 is the button cell injection electrolyte in the circular slot 31.

The positioning plate 42 is provided with 3 semi-annular grooves 421, the 3 semi-annular grooves 421 are respectively concentric with three adjacent circular grooves 31, the outer diameter of the semi-annular grooves 421 is matched with the circular grooves 31, the inner diameter of the semi-annular grooves 421 is matched with the positive plate, the negative plate and the gasket, the centers of the positive plate, the negative plate and the gasket can be aligned with the center of the positive shell, the three circular grooves 31 are positioned, three batteries are assembled, the action of lifting the positioning plate 42 can be reduced, the labor intensity is reduced, and the assembly efficiency is improved.

The rotating mechanism 2 comprises an upright post 21, a flange 22 and a rolling frame 23, one end of the upright post 21 is connected with the base 1, the other end of the upright post is connected with the flange 22, the rolling frame 23 is in a circular ring shape and sleeved on the flange 22, a plurality of rollers 231 perpendicular to the circular ring plane of the rolling frame 23 are arranged on the rolling frame 23, the flange 22 is connected with the rotating disc 3 through the rollers 231, the rotating disc 3 concentrically rolls on the flange 22 through the rollers 231, and the rotating mechanism is simple in structure, convenient to operate, small in friction resistance, capable of reducing labor intensity and improving assembly efficiency.

The flange 22 is provided with 4 floating pins 24, the bottom surface of the rotating disk 3 is provided with 4 first inclined grooves 32, the 4 first inclined grooves 32 are connected end to form a circle, the floating pins 24 are matched with the first inclined grooves 32, the flange 22 is provided with four blind holes 221, pin sleeves 241 are placed in the blind holes 221, short pins 242 are arranged in the pin sleeves 241, the bottoms of the short pins 242 are provided with springs 243, the short pins 242 are matched with the first inclined grooves 32 on the rotating disk 3, when the rotating disk 3 rotates, the short pins 242 always move in the first inclined grooves 32, the springs 243 push the short pins 242 to rise to the highest point every time the rotating disk 3 rotates by 90 degrees, the short pins 242 are blocked by the vertical surfaces of the first inclined grooves 32, at the moment, collision between the short pins 242 and the bottom surface of the rotating disk 3 can be obvious sound, and the impact sound can sound to remind an assembler of completing indexing, so that 90-degree unidirectional rotation of the rotating disk 3 is realized, and missing or repeated placement of the same component is avoided.

The top of stand 21 is equipped with the take-in dish 211 that connects the dismantlement, takes in the dish 211 and divide into 4 check, can be used to place battery case, positive plate/negative plate, gasket and diaphragm, can keep the workstation clean and tidy orderly, effectively avoids the compounding, is equipped with the shield on taking in the dish 211, covers the shield when not using, can avoid the material to be infected with debris, guarantees the quality of battery assembly.

The dropping mechanism 5 comprises a supporting rod 51, a U-shaped plate 52 and a dropping pipe 53, wherein the dropping pipe 53 is arranged in a U-shaped groove on the U-shaped plate 52, the U-shaped plate 52 is detachably connected with one end of the supporting rod 51, the other end of the supporting rod 51 is detachably connected with the base 1, electrolyte is required to be dropped twice in each battery assembled by traditional manual assembly, the dropping pipe 53 is suspended above the circular groove 31 through the supporting rod 51 and the U-shaped plate 52, after both positive plates or diaphragms are placed in button cells on the rotating disc, the electrolyte is dropped one by one through the dropping pipe 53, so that the dropping pipe can be prevented from being frequently taken, the labor intensity is reduced, the assembly efficiency is improved, the electrolyte drop is ensured to be in the center of the positive plate shell, and the quality of the assembled battery is ensured.

The lifting height of the lifting mechanism 41 is 10mm, so that when the button cells with different thicknesses are assembled, the lowering locking of the semi-annular groove 421 and the lifting of the releasing circular groove 31 are met, and the lowering of the assembly efficiency due to the overhigh lifting height can be avoided.

Two storage grooves 11 are arranged on the base 1 so as to be convenient for placing articles such as forceps, paper towels and the like.

The second chute 33 is formed on the side wall of each circular groove 31, so that assembled batteries can be conveniently taken down by tweezers, the difficulty of taking out button batteries from the circular grooves 31 is reduced, and the assembly efficiency is improved.

The application steps of the invention are as follows:

1. rotating the cylindrical cam 413 by the handle 417 to lift the half-ring groove 421, placing the positive electrode case in each of the circular grooves 31;

2. rotating the cylindrical cam 413 through the handle 417, lowering the semi-annular groove 421, extending into the circular groove 31, locking the position of the circular groove 31, aligning the center of the positive plate with the aid of the semi-annular groove 421, placing the positive plate into the positive plate, lifting the semi-annular groove 421, rotating the rotating disc 3, and repeating the positive plate placing operation until the positive plate is placed into each positive plate;

3. rotating the rotating disk 3, and dripping electrolyte into each positive electrode shell;

4. lifting the semi-annular groove 421, putting a diaphragm into each positive electrode shell, and dripping electrolyte;

5. the semi-annular groove 421 is lowered, the centers of the negative plate and the gasket and the positive shell are aligned respectively under the assistance of the semi-annular groove 421, and the negative plate and the gasket are placed in the positive shell until the negative plate and the gasket are placed in each battery;

6. the half ring groove 421 is lifted, the negative electrode shell of each cell is covered, the cell is taken out from the second chute 33 into the circular groove 31 by tweezers, and the cell is transferred to a sealing machine to complete the compression assembly.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Rotary table for assembling button cells, comprising a base (1), characterized in that: the base (1) is provided with a rotating mechanism (2), a rotating disc (3), a positioning mechanism (4) and a liquid dropping mechanism (5), a plurality of round grooves (31) are uniformly formed in the top surface of the rotating disc (3), the rotating disc is connected with the base (1) through the rotating mechanism (2), the positioning mechanism (4) comprises a lifting mechanism (41) and a positioning plate (42), the lifting mechanism (41) comprises a connecting rod (411), a fixed sleeve (412) and a cylindrical cam (413) which are sleeved from inside to outside, one end of the connecting rod (411) is connected with the positioning plate (42), a shaft pin (414) is arranged on the side wall of the other end along the radial direction of the connecting rod, the fixed sleeve (412) is connected with the base (1), a vertical sliding groove (415) which is arranged along the axial direction of the fixed sleeve is arranged on the side wall, a spiral sliding groove (416) and a handle (417) are arranged on the side wall of the cylindrical cam (413), the shaft pin (414) penetrates through the vertical sliding groove (415) and the spiral sliding groove (416), the handle (413) rotates, the shaft pin (415) drives the spiral sliding groove (416) to slide along the vertical sliding groove (42), the positioning plate (42) limits the position of the circular groove (31), the positive plate, the negative plate and the gasket are led into the button cell in the circular groove (31), and the electrolyte is injected into the button cell in the circular groove (31) by the liquid dropping mechanism (5);

the positioning plate (42) is provided with a semi-annular groove (421), the outer diameter of the semi-annular groove (421) is matched with the circular groove (31), and the inner diameter of the semi-annular groove (421) is matched with the positive plate, the negative plate and the gasket.

2. The rotary table for assembling a button cell, as set forth in claim 1, wherein: the rotating mechanism (2) comprises an upright post (21), a flange (22) and a rolling frame (23), one end of the upright post (21) is connected with the base (1), the other end of the upright post is connected with the flange (22), the rolling frame (23) is in a circular ring shape and is sleeved on the flange (22), a plurality of rollers (231) perpendicular to the circular ring-shaped plane of the rolling frame (23) are arranged on the rolling frame (23), and the flange (22) is connected with the rotating disc (3) through the rollers (231).

3. The rotary table for assembling a button cell, as set forth in claim 2, wherein: the flange (22) is provided with a floating pin (24), a plurality of first inclined grooves (32) are uniformly formed in the bottom surface of the rotating disc (3), the plurality of first inclined grooves (32) are connected end to be round, and the floating pin (24) is matched with the first inclined grooves (32).

4. The rotary table for assembling a button cell, as set forth in claim 2, wherein: the top end of the upright post (21) is provided with a storage disc (211).

5. The rotary table for assembling a button cell, as set forth in claim 1, wherein: the liquid dropping mechanism (5) comprises a supporting rod (51), a U-shaped plate (52) and a dropper (53), wherein the dropper (53) is connected with one end of the supporting rod (51) through the U-shaped plate (52), and the other end of the supporting rod (51) is connected with the base (1).

6. The rotary table for assembling a button cell, as set forth in claim 1, wherein: the lifting height of the lifting mechanism (41) is 10mm.

7. The rotary table for assembling a button cell, as set forth in claim 1, wherein: the number of the semi-annular grooves (421) is 3, the number of the circular grooves (31) is 12, and the 3 semi-annular grooves (421) are respectively concentric with three adjacent circular grooves (31).

8. The rotary table for assembling a button cell, as set forth in claim 1, wherein: the base (1) is provided with a storage groove (11).

9. The rotary table for assembling a button cell, as set forth in claim 1, wherein: a second chute (33) is arranged on the side wall of each circular groove (31).