CN219336517U

CN219336517U - Lithium battery cap pressure welding device

Info

Publication number: CN219336517U
Application number: CN202320325484.1U
Authority: CN
Inventors: 刘仁民
Original assignee: Sichuan Zhongyi New Energy Materials Co ltd
Current assignee: Sichuan Zhongyi New Energy Materials Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-14
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a pressure welding device for a lithium battery cap, which relates to the technical field of lithium battery production and comprises a workbench, wherein the top of the workbench is fixedly connected with a movable plate, the outside of the movable plate is lapped with a pressure welding device main body, two sides of the pressure welding device main body are fixedly connected with sliding plates, two ends of the movable plate are provided with sliding rails, one end of each sliding plate is movably connected with the inside of each sliding rail, the top of the movable plate is fixedly connected with an air pump, the top of the workbench is lapped with a turntable, the top of the turntable is fixedly connected with a fixed sleeve, two ends of the top of the workbench are fixedly connected with fan boxes, and the outside of each fan box is provided with an air outlet. According to the utility model, the lithium battery is inserted into the fixing sleeve, and the jacket I are extruded outwards to expand while being pressed downwards, so that the spring I is driven to stretch outwards, and the surface of the rubber pad and the surface of the lithium battery to be pressed and welded are clamped and fixed through the elasticity of the spring I and the spring I to rebound inwards.

Description

Lithium battery cap pressure welding device

Technical Field

The utility model relates to the technical field of lithium battery production, in particular to a lithium battery cap pressure welding device.

Background

The battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, a cap is needed in the assembly process of the lithium battery, a pressure welding mode is generally used in the production of the cap, a high-temperature electric arc generated by the instant short circuit of positive and negative electrodes is utilized to melt welding flux on an electrode rod and a welded material, so that the contacted materials are combined, and the battery after liquid injection is combined by the welding mode and the cap in the production process of the lithium battery at present, and the spot welding mode is generally adopted. The following problems exist in the prior art:

according to patent publication number CN 217701761U: the utility model relates to the technical field of battery manufacturing, in particular to a pressure welding device for a lithium battery cap. Including the workstation, the inside dust-proof frame that is provided with of one side surface of workstation, the inboard mid-mounting of dust-proof frame has the dust screen, the inside pulley yoke that is provided with in opposite side surface top of dust-proof frame, the inside of pulley yoke is provided with the recess, the inside both sides of recess are provided with the slide rail, one side surface of pulley yoke is provided with the opening, open-ended top and bottom all are provided with the fastener, the inside of recess is provided with the brush yoke, one side surface of brush yoke is provided with the support, one side surface middle part of support is provided with the wheel carrier, the middle part of wheel carrier is provided with the screw rod, one side top of screw rod is provided with the pulley, the middle part of pulley is provided with first bearing, the handle is installed to the one end of brush yoke, the brush hair is installed to the other end of brush yoke. The dust screen can be cleaned conveniently and rapidly, and internal faults of the pressure welding device caused by dust accumulation are prevented.

To sum up, the copper drum of the existing lithium battery cap pressure welding device uses the fixer, the battery can be effectively fixed in the process of pressure welding of the battery cap, but the phenomenon that the battery cap is likely to displace due to pressure when the battery cap is subjected to pressure welding is avoided, and after the pressure welding is completed, the surface of the lithium battery is in a hot state, so that the lithium battery is inconvenient for workers to take the lithium battery immediately, and the temperature of the surface of the lithium battery needs to be cooled down, so that the working efficiency of the pressure welding device is reduced.

Disclosure of Invention

The utility model provides a lithium battery cap pressure welding device to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a lithium cell block pressure welding device, includes the workstation, the top fixedly connected with movable plate of workstation, the outside overlap joint of movable plate has the pressure welding device main part, the both sides fixedly connected with slide of pressure welding device main part, the slide rail has been seted up at the both ends of movable plate, the one end and the inside swing joint of slide rail of slide, the top fixedly connected with air pump of movable plate, the top overlap joint of workstation has the carousel, the top fixedly connected with fixed cover of carousel, the top both ends fixedly connected with fan case of workstation, the air outlet has been seted up to the outside of fan case, one side fixedly connected with control panel of workstation.

The technical scheme of the utility model is further improved as follows: the back of fan case has seted up the fresh air inlet, the inside fixedly connected with driving motor one of fan case, driving motor one's output shaft fixedly connected with fan.

By adopting the technical scheme, the first driving motor and the fan are matched, so that the effect of rapidly cooling the sub-and-thick lithium battery is achieved.

The technical scheme of the utility model is further improved as follows: the rotary table is characterized in that a T-shaped rod is fixedly connected to the bottom of the rotary table, a placing groove is formed in the top of the workbench, a driving motor II is fixedly connected to the inside of the placing groove, and an output shaft of the driving motor II is fixedly connected with the bottom of the T-shaped rod.

By adopting the technical scheme, the driving motor in the scheme is matched with the two T-shaped rods, so that the turntable can be rotated on the workbench, and the welding head can be used for rapidly performing pressure welding on the lithium battery fixed on the fixed sleeve.

The technical scheme of the utility model is further improved as follows: the fixing sleeve is characterized in that a fixing assembly is arranged in the fixing sleeve and comprises a first clamping sleeve, a second clamping sleeve, a hollow plate, a fixing table and a first spring, limiting grooves are formed in two sides of the top of the hollow plate, the outer parts of the first clamping sleeve and the second clamping sleeve are overlapped with the inner parts of the limiting grooves, rubber pads are fixedly connected to the tops of the first clamping sleeve and the second clamping sleeve, a first inserting rod is inserted into the bottoms of the first clamping sleeve and the second clamping sleeve, and two ends of the first inserting rod are fixedly connected with the inner parts of the hollow plate.

By adopting the technical scheme, the first jacket, the second jacket and the rubber pad are matched, so that the effect of clamping and fixing the side surface of the lithium battery is achieved.

The technical scheme of the utility model is further improved as follows: the two ends of the first spring are fixedly connected with the inner sides of the first clamping sleeve and the second clamping sleeve, the two ends of the first spring are inserted with the second inserting rod, and the bottom of the fixed table is fixedly connected with the inner wall of the fixed sleeve.

By adopting the technical scheme, the first spring, the first clamping sleeve and the second clamping sleeve are matched, and the first clamping sleeve and the second clamping sleeve are bounced inwards by the self elasticity of the first spring. Thereby achieving the effect of fixation.

The technical scheme of the utility model is further improved as follows: the movable groove is formed in one side of the top of the workbench, the clamping grooves are formed in the bottom of the turntable, the number of the clamping grooves is equal to that of the fixed sleeves, the telescopic assembly is fixedly connected with the inner wall of the movable groove and comprises a hollow pipe, an L-shaped pipe and a second spring, the inside of the hollow pipe is sleeved with the outside of the L-shaped pipe, and the outside of the L-shaped pipe is sleeved with the inside of the second spring.

By adopting the technical scheme, the clamping block, the connecting rod and the telescopic component in the scheme are matched, so that short-term clamping and stopping can occur in the rotating process of the turntable, and the welding head can perform pressure welding on the lithium battery cap fixed on the sleeve at one time.

The technical scheme of the utility model is further improved as follows: the inside grafting of draw-in groove has the fixture block, the bottom fixedly connected with connecting rod of fixture block, the recess has been seted up to one side of connecting rod, the one end of L venturi tube and the inside overlap joint of recess, the inside grafting of L venturi tube has the loop bar, the both ends and the connecting rod both sides swing joint of loop bar, the bottom both sides fixedly connected with draw-in bar of L venturi tube, spacing draw-in groove has been seted up to the outside of hollow tube, the outside of draw-in bar cup joints with the inside of spacing draw-in groove.

By adopting the technical scheme, the hollow tube, the L-shaped tube and the second spring in the scheme are matched, so that the effect of driving the connecting rod to compress and rebound when being extruded at the telescopic component is achieved.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a lithium battery cap pressure welding device, which adopts the cooperation among a fixed sleeve, a first jacket, a second jacket, a rubber pad, a hollow plate, a fixed table, a first spring, a first inserting rod and a second inserting rod, and the first jacket and the jacket are extruded outwards to expand when being pressed downwards by inserting a lithium battery into the fixed sleeve, so that the first spring is driven to be stretched outwards, and the surface of the rubber pad and the surface of a lithium battery to be pressure welded are clamped and fixed by the elasticity of the first jacket and the elasticity of the second jacket, thereby solving the problem that the copper drum of the conventional lithium battery cap pressure welding device can effectively fix the battery in the process of pressure welding the battery cap, but the problem that the battery cap is possibly displaced due to pressure is solved, and achieving the beneficial effects of rapidly clamping and fixing the lithium battery to avoid shaking.

2. The utility model provides a lithium battery cap pressure welding device, which adopts the cooperation between a fan case, an air outlet hole, an air inlet hole, a driving motor I and a fan, and drives the fan to rotate by starting the driving motor I, and wind generated by rotation is blown out from the air outlet hole, so that the temperature of a lithium battery after pressure welding is reduced, the problem that after the pressure welding is finished, a worker is inconvenient to take the lithium battery in a hot state immediately, and the temperature of the surface of the lithium battery needs to be waited for cooling down is solved, so that the working efficiency of the pressure welding device is reduced, and the beneficial effect of rapidly reducing the temperature of the lithium battery after pressure welding is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a bonding apparatus according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure A of the present utility model;

fig. 4 is a schematic cross-sectional view of a B-structure according to the present utility model.

In the figure: 1. a work table; 101. a placement groove; 102. a movable groove; 2. a moving plate; 3. a pressure welding device body; 4. a slide plate; 5. a slide rail; 6. an air pump; 7. a turntable; 71. a clamping groove; 72. a T-bar; 8. a fixed sleeve; 9. a fan case; 91. an air inlet hole; 10. an air outlet hole; 11. a welding head; 12. driving a first motor; 13. a fan; 14. a second driving motor; 15. a fixing assembly; 151. a first jacket; 152. a second jacket; 153. a rubber pad; 154. a hollow slab; 1541. a limit groove; 155. a fixed table; 156. a first spring; 157. the first inserting rod is arranged; 158. the second inserting rod is arranged; 16. a connecting rod; 161. a groove; 17. a clamping block; 18. a telescoping assembly; 181. a hollow tube; 1811. a limit clamping groove; 182. an L-shaped pipe; 1821. a clamping rod; 183. a second spring; 184. a loop bar; 20. and a control panel.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a lithium battery cap pressure welding device, which comprises a workbench 1, wherein the top of the workbench 1 is fixedly connected with a movable plate 2, the outside of the movable plate 2 is lapped with a pressure welding device main body 3, two sides of the pressure welding device main body 3 are fixedly connected with sliding plates 4, two ends of the movable plate 2 are provided with sliding rails 5, one end of each sliding plate 4 is movably connected with the inside of each sliding rail 5, the top of the movable plate 2 is fixedly connected with an air pump 6, the top of the workbench 1 is lapped with a turntable 7, the top of the turntable 7 is fixedly connected with a fixed sleeve 8, two ends of the top of the workbench 1 are fixedly connected with a fan box 9, the outside of the fan box 9 is provided with an air outlet 10, and one side of the workbench 1 is fixedly connected with a control panel 20, so that the beneficial effects of rapidly clamping and fixing a lithium battery, avoiding shaking and rapidly cooling the lithium battery after pressure welding are achieved.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the back of fan case 9 has seted up fresh air inlet 91, fan case 9's inside fixedly connected with driving motor one 12, driving motor one 12's output shaft fixedly connected with fan 13, the cooperation between driving motor one 12 and the fan 13 reaches and carries out quick cooling to the inferior thick lithium cell, carousel 7 bottom fixedly connected with T-shaped pole 72, standing groove 101 has been seted up at workstation 1's top, the inside fixedly connected with driving motor two 14 of standing groove 101, driving motor two 14's output shaft and T-shaped pole 72's bottom fixed connection, the cooperation between driving motor two 14T-shaped pole 72 reaches and carries out the rotation on workstation 1 with carousel 7, make soldered connection 11 can be quick to fixing the welding on the fixed sleeve 8 lithium cell, the inside of fixed sleeve 8 is provided with fixed subassembly 15, fixed subassembly 15 includes clamp first 151, clamp sleeve two 152, hollow plate 154, fixed platform 155 and spring one 156, the inside of spacing groove 1541 has been seted up to the top both sides of workstation 1, the outside of clamp sleeve 151 and two 152 and the inside of spacing groove 1541, the inside of clamp sleeve 157, the clamp sleeve 157 and the inside of clamp sleeve 152 and clamp sleeve 153 are connected with the hollow plate 153, the clamp sleeve 157 can be fixed with the both ends of clamp sleeve 151 and clamp sleeve 153, the inside clamp sleeve 157 and clamp sleeve 153 and the clamp sleeve 153 are connected with the both ends of the clamp sleeve 153.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, two ends of the first spring 156 are fixedly connected with the inner sides of the first clamping sleeve 151 and the second clamping sleeve 152, two ends of the first spring 156 are inserted with a second inserting rod 158, the bottom of the fixing table 155 is fixedly connected with the inner wall of the fixing sleeve 8, and the first spring 156, the first clamping sleeve 151 and the second clamping sleeve 152 are matched, so that the first clamping sleeve 151 and the second clamping sleeve 152 are rebounded inwards by the elasticity of the first spring 156. Thereby reach fixedly, the draw-in groove 102 has been seted up to top one side of workstation 1, the draw-in groove 71 has been seted up to the bottom of carousel 7, the quantity of draw-in groove 71 equals with the quantity of fixed cover 8, the flexible subassembly 18 of inner wall fixedly connected with of draw-in groove 102, flexible subassembly 18 includes hollow tube 181, L-shaped tube 182 and spring two 183, the inside of hollow tube 181 cup joints with the outside of L-shaped tube 182, the outside of L-shaped tube 182 cup joints with the inside of spring two 183, the cooperation between fixture block 17, connecting rod 16 and flexible subassembly 18, reach and appear transiently blocking at carousel 7 in the pivoted in-process, thereby make the soldered connection 11 can once carry out the pressure welding with the lithium cell cap on the fixed cover 8, the inside grafting of draw-in groove 71 has fixture block 17, the bottom fixedly connected with connecting rod 16 of fixture block 17, recess 161 has been seted up to one side of connecting rod 16, the one end of L-shaped tube 182 overlaps with the inside of recess 161, the inside of L-shaped tube 182 is pegged graft and is equipped with loop bar 184, both ends and connecting rod 16 both sides swing joint, the bottom both sides of L-shaped tube 182 fixedly connect with fixture bar 1, the outside of hollow tube 181 has seted up fixture block 181, limit clip 1, the outside of spacing clip 1 is equipped with at the outside of hollow tube 181, the outside of hollow tube 181 is equipped with the inside of recess 1811, the inside of the expansion joint 18 is carried out compression between the expansion joint with the connecting rod 182, and the spring 182, and the inside of the expansion joint 18 is reached at the inside of the end of the expansion joint 18, and 18.

The working principle of the lithium battery cap pressure welding device is specifically described below.

As shown in fig. 1-4, first, the lithium battery is inserted into the fixing sleeve 8, the first jacket 151 and the second jacket 152 are rotated along the first inserting rod 157 while being pressed downwards, and are extruded and expanded outwards along the limiting slot 1541, so that the second inserting rod 158 is forced to rotate to drive the first spring 156 to stretch outwards, the surface of the rubber pad 153 and the surface of the lithium battery to be pressed and welded are clamped and fixed through the elasticity of the second inserting rod, the air pump 6 and the driving motor 14 are started by the operation control panel 20, the driving motor 14 drives the T-shaped rod 72 to rotate, the clamping slot 71 extrudes the clamping block 17 while rotating, the clamping block 17 is forced to drive the connecting rod 16 to rotate inwards along the sleeve rod 184, the L-shaped pipe 182 is forced to extrude the second spring 183, the clamping rod 1821 moves inwards along the limiting clamping slot 1811, the clamping block 17 is separated from the inside of the outlet clamping slot 71, the clamping block 17 is clamped into the inside of the next clamping slot 71, the process is stopped, the air pump 6 drives the sliding plate 5 to slide rail 5 downwards to slide the surface of the lithium battery to slide plate 6 and slide the battery to slide down along the sliding cap 5, the lithium battery is driven by the driving motor to drive the cooling cap 10 to rotate, the cooling device is started after the lithium battery is blown out, and the cooling cap is cooled, and the cooling device is cooled, and the cooling down is driven and the battery is cooled.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. Lithium cell block pressure welding device, including workstation (1), its characterized in that: the utility model discloses a movable table, including workstation (1), movable plate (2), the outside overlap joint of movable plate (2) has pressure welding device main part (3), the both sides fixedly connected with slide (4) of pressure welding device main part (3), slide rail (5) have been seted up at the both ends of movable plate (2), the one end and the inside swing joint of slide rail (5) of slide (4), the top fixedly connected with air pump (6) of movable plate (2), the top overlap joint of workstation (1) has carousel (7), the top fixedly connected with fixed cover (8) of carousel (7), the top both ends fixedly connected with fan case (9) of workstation (1), air outlet (10) have been seted up to the outside of fan case (9), one side fixedly connected with control panel (20) of workstation (1).

2. The lithium battery cap press-welding device according to claim 1, wherein: an air inlet hole (91) is formed in the back of the fan box (9), a first driving motor (12) is fixedly connected to the inside of the fan box (9), and a fan (13) is fixedly connected to an output shaft of the first driving motor (12).

3. The lithium battery cap press-welding device according to claim 1, wherein: the rotary table is characterized in that a T-shaped rod (72) is fixedly connected to the bottom of the rotary table (7), a placing groove (101) is formed in the top of the workbench (1), a driving motor II (14) is fixedly connected to the inside of the placing groove (101), and an output shaft of the driving motor II (14) is fixedly connected with the bottom of the T-shaped rod (72).

4. The lithium battery cap press-welding device according to claim 1, wherein: the inside of fixed cover (8) is provided with fixed subassembly (15), fixed subassembly (15) are including pressing from both sides cover one (151), pressing from both sides cover two (152), hollow slab (154), fixed station (155) and first spring (156), spacing groove (1541) have been seted up to the top both sides of hollow slab (154), press from both sides the outside of cover one (151) and pressing from both sides cover two (152) and the inside overlap joint of spacing groove (1541), the top fixedly connected with rubber pad (153) of pressing from both sides cover one (151) and pressing from both sides cover two (152), insert rod one (157) have been pegged graft to the bottom of pressing from both sides cover one (151) and pressing from both sides cover two (152), insert rod one (157) both ends and the inside fixed connection of hollow slab (154).

5. The lithium battery cap press-welding device according to claim 4, wherein: the two ends of the first spring (156) are fixedly connected with the inner sides of the first clamping sleeve (151) and the second clamping sleeve (152), the two ends of the first spring (156) are inserted with the second inserting rod (158), and the bottom of the fixed table (155) is fixedly connected with the inner wall of the fixed sleeve (8).

6. The lithium battery cap press-welding device according to claim 1, wherein: the movable groove (102) has been seted up on one side of the top of workstation (1), draw-in groove (71) has been seted up to the bottom of carousel (7), the quantity of draw-in groove (71) equals with the quantity of fixed cover (8), the inner wall fixedly connected with telescopic subassembly (18) of movable groove (102), telescopic subassembly (18) include hollow tube (181), L pipe (182) and spring two (183), the inside of hollow tube (181) cup joints with the outside of L pipe (182), the outside of L pipe (182) cup joints with the inside of spring two (183).

7. The lithium battery cap press-welding device according to claim 6, wherein: clamping blocks (17) are inserted into the clamping grooves (71), connecting rods (16) are fixedly connected to the bottoms of the clamping blocks (17), grooves (161) are formed in one side of each connecting rod (16), one ends of L-shaped pipes (182) are overlapped with the grooves (161), loop bars (184) are inserted into the L-shaped pipes (182), two ends of the loop bars (184) are movably connected with two sides of each connecting rod (16), clamping rods (1821) are fixedly connected to two sides of the bottoms of the L-shaped pipes (182), limiting clamping grooves (1811) are formed in the outer portions of the hollow pipes (181), and the outer portions of the clamping rods (1821) are sleeved with the inner portions of the limiting clamping grooves (1811).