CN211889402U

CN211889402U - Spot welding device is used in lithium cell production

Info

Publication number: CN211889402U
Application number: CN201921633876.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Jiangsu Hongsai Battery Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-11-10
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a spot welding device for producing lithium batteries, which comprises a base, wherein the upper end of the base is vertically connected with a side plate, one end of the side plate far away from the base is fixedly connected with a vertically arranged cover plate, the middle part of the cover plate is fixedly provided with a vertically arranged fixing plate, a rack is slidably arranged on one side of the fixed plate, a spot welding head is fixedly arranged on one side of the rack far away from the side plate through a connecting shaft, a gear meshed with the rack is arranged on one side of the rack far away from the fixed plate, a rotating shaft is fixedly connected with the rotating center of the gear, the rotating shaft is fixedly connected with a servo motor through a coupler, the servo motor is fixedly arranged on the side plate, be provided with the fixture with base fixed mounting under the spot welding head, the utility model provides a lithium cell can not effectually carry out the problem fixed to the battery when spot welding nickel piece.

Description

Spot welding device is used in lithium cell production

Technical Field

The utility model relates to a battery spot welding technical field specifically is a spot welding device is used in lithium cell production.

Background

Lithium cell is in process of production, very important one step is exactly with nickel piece spot welding on the positive and negative pole of lithium cell, prior art generally all adopts artifical handheld mould to carry out spot welding processing, this kind of processing mode low in production efficiency, the processing is unstable, and current lithium cell has the rectangle, also there is circularly, need two kinds of different anchor clamps to fix the lithium cell when spot welding, just so increased the cost among the intangible, still need spend time to remove change anchor clamps simultaneously, workman's work load has been increased, and it is firm to fix, can lead to nickel piece welding position skew, influence the use of lithium cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spot welding device is used in lithium cell production to the problem that the lithium cell that proposes in solving above-mentioned background can not effectually fix the battery when spot welding nickel piece.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a spot welding device for lithium cell production, includes the base, the upper end of base is connected with the curb plate perpendicularly, the apron that the one end fixedly connected with of base set up perpendicularly is kept away from to the curb plate, the middle part fixed mounting of apron has the fixed plate of vertical setting, one side slidable mounting of fixed plate has the rack, one side that the curb plate was kept away from to the rack has a spot welding head through connecting axle fixed mounting, one side that the fixed plate was kept away from to the rack is provided with the gear with rack engaged with, the center of rotation fixedly connected with pivot of gear, shaft coupling and servo motor fixed connection are passed through in the pivot, servo motor fixed mounting is on the curb plate, be provided with the fixture with base fixed mounting under the.

Preferably, the clamping mechanism comprises a placing block, two clamping plates with opposite opening directions, a fixing rod and a compression spring, a placing groove is formed in the upper end of the placing block, the two clamping plates are arranged in the placing groove, the clamping plates are close to the rack and fixedly connected with the side wall of the placing groove, the other clamping plates are fixedly connected with the fixing rod on one side far away from the rack, one end, far away from the clamping plates, of the fixing rod penetrates through the side wall of the placing groove and extends to the outside, and the compression spring is sleeved on the surface of the fixing rod, located inside the placing groove.

Preferably, one end of the fixing rod, which is far away from the clamping plate, is fixedly connected with a handle.

Preferably, one end of the compression spring, which is close to the clamping plate, is fixedly connected with the clamping plate, and the other end of the compression spring is fixedly connected with the side wall of the placing groove.

Preferably, the two clamping plates are V-shaped at the sides close to each other.

Preferably, one side of each of the two clamping plates, which is close to each other, is provided with a sliding groove in the vertical direction, and a baffle is arranged in the sliding groove in a sliding manner.

Preferably, a limiting block is fixedly arranged in the sliding groove positioned below the sliding block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through mutually supporting of servo motor and gear, can drive the spot welding head and reciprocate by oneself, through setting up splint, under compression spring's the spring action, promote splint to the lithium cell motion, realize the centre gripping to circular lithium cell, through setting up the handle, the convenience drives the dead lever through the pulling handle and slides.

2. Through setting up the baffle, can put into the spout with the baffle when needs carry out spot welding to square lithium cell, the convenience presss from both sides tightly square lithium cell, through setting up the stopper, prevents that the baffle from landing in the spout.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of the clamping mechanism in fig. 1.

In the figure: 1. a base; 2. a side plate; 3. a cover plate; 4. a fixing plate; 5. a rack; 6. a spot welding head; 7. a gear; 8. a rotating shaft; 9. a servo motor; 10. a clamping mechanism; 101. placing the blocks; 102. a splint; 103. fixing the rod; 104. a compression spring; 105. a placement groove; 11. a grip; 12. a chute; 13. a baffle plate; 14. and a limiting block.

Detailed Description

In order to solve the problem that the lithium cell can not effectually fix the battery when spot welding nickel piece, the embodiment of the utility model provides a spot welding device is used in lithium cell production. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the embodiment provides a spot welding device for lithium battery production, which includes a base 1, a side plate 2 vertically connected to an upper end of the base 1, a vertically disposed cover plate 3 fixedly connected to an end of the side plate 2 away from the base 1, a vertically disposed fixing plate 4 fixedly mounted in the middle of the cover plate 3, a rack 5 slidably mounted on one side of the fixing plate 4, a spot welding head 6 fixedly mounted on one side of the rack 5 away from the side plate 2 via a connecting shaft, a gear 7 engaged with the rack 5 disposed on one side of the rack 5 away from the fixing plate 4, a rotating shaft 8 fixedly connected to a rotation center of the gear 7, the rotating shaft 8 fixedly connected to a servo motor 9 via a shaft coupling, the servo motor 9 fixedly mounted on the side plate 2, a clamping mechanism 10 fixedly mounted to the base 1 disposed under the spot welding head 6, when spot welding is required, the, starting servo motor 9 for servo motor 9 corotation, servo motor 9 drives 8 through the pivot and moves gear 7 and rotate, and gear 7 drives rack 5 downstream to drive spot welding head 6 downstream, after accomplishing the spot welding, servo motor 9 reversal drives electric welding head 6 upward movement, accomplishes the spot welding.

In this embodiment, the clamping mechanism 10 includes a placing block 101, two clamping plates 102 with opposite openings, a fixing rod 103 and a compression spring 104, a placing groove 105 is formed at the upper end of the placing block 101, two clamping plates 102 are arranged in the placing groove 105, one side of the two clamping plates 102 close to each other is in a V shape, the clamping plate 102 close to the rack 5 is fixedly connected with the side wall of the placing groove 105, the fixing rod 103 is fixedly connected with one side of the other clamping plate 102 far from the rack 5, one end of the fixing rod 103 far from the clamping plate 102 penetrates through the side wall of the placing groove 105 and extends to the outside, the surface of the fixing rod 103 inside the placing groove 105 is sleeved with the compression spring 104, one end of the compression spring 104 close to the clamping plate 102 is fixedly connected with the clamping plate 102, the other end of the compression spring 104 is fixedly connected with the side wall of the placing groove 105, the distance between the two clamping plates 102 is increased, after the lithium battery is placed in the lithium battery box, the fixing rod 103 is loosened, the compression spring 104 pushes the clamping plates 102 under the action of elastic force, and the lithium battery is clamped by the clamping plates 102 towards the lithium battery.

The end of the fixing rod 103 far from the splint 102 is fixedly connected with a handle 11, so that the fixing rod 103 can be conveniently pulled by the handle 11.

Example 2

Referring to fig. 3, a further improvement is made on the basis of embodiment 1: the chute 12 is opened in vertical direction to the one side that two splint 102 are close to each other, and slidable mounting has baffle 13 in chute 12, when needs carry out spot welding to the square lithium cell, puts into chute 12 with slide 13 in, through mutually supporting of two slides 13, can realize pressing from both sides tightly to the square lithium cell.

Wherein, a limiting block 14 is fixedly arranged in the sliding chute 12 positioned at the lower part, so as to prevent the baffle 13 from sliding down from the sliding chute 12.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spot welding device is used in lithium cell production, includes base (1), its characterized in that: the welding device is characterized in that a side plate (2) is vertically connected to the upper end of the base (1), one end, far away from the base (1), of the side plate (2) is fixedly connected with a vertically arranged cover plate (3), a vertically arranged fixing plate (4) is fixedly arranged in the middle of the cover plate (3), a rack (5) is slidably arranged on one side of the fixing plate (4), a spot welding head (6) is fixedly arranged on one side, far away from the side plate (2), of the rack (5) through a connecting shaft, a gear (7) meshed with the rack (5) is arranged on one side, far away from the fixing plate (4), of the rack (5), a rotating center of the gear (7) is fixedly connected with a rotating shaft (8), the rotating shaft (8) is fixedly connected with a servo motor (9) through a coupler, the servo motor (9) is fixedly arranged on the side plate (2), and a clamping mechanism (10) fixedly arranged with the, the clamping mechanism (10) comprises a placing block (101), two clamping plates (102) with opposite opening directions, a fixing rod (103) and a compression spring (104), a placing groove (105) is formed in the upper end of the placing block (101), the two clamping plates (102) are arranged in the placing groove (105), the clamping plates (102) close to the rack (5) are fixedly connected with the side wall of the placing groove (105), the fixing rod (103) is fixedly connected to one side, away from the rack (5), of the clamping plates (102), one end, away from the clamping plates (102), of the fixing rod (103) penetrates through the side wall of the placing groove (105) and extends to the outside, and the compression spring (104) is sleeved on the surface of the fixing rod (103) located inside the placing groove (105).

2. The spot welding device for lithium battery production according to claim 1, characterized in that: one end of the fixing rod (103) far away from the splint (102) is fixedly connected with a handle (11).

3. The spot welding device for lithium battery production according to claim 1, characterized in that: one end of the compression spring (104) close to the clamping plate (102) is fixedly connected with the clamping plate (102), and the other end of the compression spring (104) is fixedly connected with the side wall of the placing groove (105).

4. The spot welding device for lithium battery production according to claim 1, characterized in that: the side of the two clamping plates (102) close to each other is V-shaped.

5. The spot welding device for lithium battery production according to claim 4, characterized in that: two splint (102) one side that is close to each other has seted up spout (12) in vertical direction, slidable mounting has baffle (13) in spout (12).

6. The spot welding device for lithium battery production according to claim 5, characterized in that: a limiting block (14) is fixedly arranged in the sliding groove (12) positioned at the lower part.