CN218745833U - Lithium battery module spot welding fixture - Google Patents

Abstract

The utility model discloses a lithium cell module spot welding anchor clamps relates to lithium cell spot welding mounting fixture technical field. The battery fixing device comprises a side plate, a base is movably arranged between the inner walls of the bottom of the side plate, a first lifting mechanism is arranged on the side face of the side plate and comprises a moving rod, a plurality of upper battery clamps are movably connected to the rod body of the moving rod, a second lifting mechanism is arranged at the bottom of the base, a fixing rod is fixed between the inner walls of the two sides of the base, and a plurality of lower battery clamps are movably connected to the rod body of the fixing rod. The utility model discloses a be provided with first elevating system and second elevating system, the flexible end of first cylinder drives the connecting block and reciprocates, follows the connecting block with the carriage release lever that the connecting block is fixed and carries out the same motion, and second elevating system drives the base through first telescopic link and reciprocates, can carry out the centre gripping to the battery of co-altitude not under first elevating system and second elevating system's effect, and the battery of centre gripping can be more firm like this.

Description

A lithium battery module spot welding fixture

technical field

The utility model relates to the technical field of lithium battery spot welding fixtures, in particular to a lithium battery module spot welding fixture.

Background technique

During the processing and production of lithium batteries, it is necessary to perform spot welding on the assembled lithium batteries. Nowadays, when performing spot welding on columnar lithium batteries, the lithium batteries are positioned by fixing fixtures, and the lithium batteries are positioned by electric welding machines. Electric welding is performed at the end, but this type of fixing fixture has a fixed structure and size of the battery positioning groove. For batteries of different heights, the fixing fixture cannot be adjusted, and the practicability and flexibility are poor. It needs to be improved.

Utility model content

The purpose of this utility model is to provide a lithium battery module spot welding jig to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a lithium battery module spot welding fixture, including a side plate, a base is movably arranged between the bottom inner walls of the side plate, and a first lift is provided on the side of the side plate Mechanism, the first lifting mechanism includes a moving rod, the rod body of the moving rod is movably connected with a plurality of upper battery clamps, the bottom of the base is provided with a second lifting mechanism, fixed rods are fixed between the inner walls on both sides of the base, and the rod body of the fixed rod The upper part is movably connected with a plurality of lower battery clamps, the side of the side plate is provided with a clamping device, and the back of the side plate is provided with a rotating device.

Preferably, both sides of the upper battery clamp and the lower battery clamp are provided with a plurality of semicircular grooves, a plurality of connecting plates are arranged between the upper battery clamp and the lower battery clamp, and a fixing block is fixed at the bottom of the upper battery clamp, The fixed block is movably connected with the connection plate, and the top of the lower battery fixture is provided with a square groove, and slide rails are fixed on both sides of the square groove, and the bottom end of the connection plate slides inside the slide rail.

Preferably, the first lifting mechanism also includes a first cylinder fixed to both sides of the side plate, a connecting block is fixed at the telescopic end of the first cylinder, a square hole is opened on the side of the side plate, and the moving rod is movably arranged in the square hole Inside, the connecting block is fixed to the moving rod.

Preferably, the second lifting mechanism includes a plurality of support plates fixed around the bottom of the side plate, a first telescopic rod is fixed on the top of the support plate, and the telescopic end of the first telescopic rod is fixed to the base.

Preferably, the clamping device includes a second telescopic rod fixed to the side of the side plate, and a push rod is fixed to the telescopic end of the second telescopic rod.

Preferably, the rotating device includes two movable plates, a rotating shaft is movably connected between the two movable plates, a motor is fixed on the top of the movable plate, the output end of the motor is fixed to the end of the rotating shaft, and the back of the side plate is fixed with A fixed plate, the fixed plate is fixed with the rotating shaft, a fixed seat is movably connected between the ends of the two movable plates, the end of the fixed seat is movably connected with a second cylinder, a fixed shaft is fixed between the two movable plates, the second The output end of the cylinder is movably connected with the fixed shaft.

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

The lithium battery module spot welding fixture is provided with a first lifting mechanism and a second lifting mechanism, the telescopic end of the first cylinder drives the connecting block to move up and down, and the moving rod fixed to the connecting block follows the connecting block to perform the same movement. The second lifting mechanism drives the base to move up and down through the first telescopic rod, and can clamp batteries of different heights under the action of the first lifting mechanism and the second lifting mechanism, so that the clamped batteries will be more stable.

In addition, a clamping device and a rotating device are also provided. The telescopic end of the second telescopic rod moves the push rod back and forth, and the push rod pushes the upper battery clamp and the lower battery clamp, thereby realizing the clamping of the battery and the rotating device. The second cylinder pushes the movable plate to move, and the motor drives the fixed plate to rotate so as to realize the movement of the whole module spot welding fixture.

Description of drawings

Fig. 1 is the first overall structure schematic diagram of the present utility model;

Fig. 2 is the second overall structure schematic diagram of the present utility model;

Fig. 3 is the partial structural representation of the utility model;

Fig. 4 is a structural schematic diagram of the rotating device of the present invention.

In the figure: 1, side plate; 2, base; 301, upper battery fixture; 302, lower battery fixture; 303, semicircular groove; 304, fixed block; 305, connecting plate; 306, square groove; 307, slide rail; 4 , the first lifting mechanism; 401, the moving rod; 402, the connecting block; 403, the first cylinder; 501, the first telescopic rod; 502, the support plate; 601, the second telescopic rod; 602, the push rod; 701, fixed seat; 702, the second cylinder; 703, movable plate; 704, motor; 705, fixed plate; 8, fixed rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "Bottom", "Inner", "Outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied. Any device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.

In addition, it should be understood that, for the convenience of description, the dimensions of the various components shown in the drawings are not drawn according to the actual scale relationship, for example, the thickness or width of some layers may be exaggerated relative to other layers.

It should be noted that similar reference numerals and letters denote similar items in the following drawings, therefore, once an item is defined or described in one drawing, it will not need to be redefined in the description of subsequent drawings. It is further discussed and described in detail.

As shown in Figures 1-4, the utility model provides a technical solution: a lithium battery module spot welding fixture, including a side plate 1, a base 2 is movable between the bottom inner wall of the side plate 1, and the side plate 1 is provided with a first lifting mechanism 4, the first lifting mechanism 4 includes a moving rod 401, a plurality of upper battery clamps 301 are movably connected to the rod body of the moving rod 401, and a second lifting mechanism is arranged at the bottom of the base 2, the base A fixed rod 8 is fixed between the inner walls on both sides of 2, and a plurality of lower battery clamps 302 are movably connected to the body of the fixed rod 8.

As shown in Figure 1, both sides of the upper battery holder 301 and the lower battery holder 302 are provided with a plurality of semicircular grooves 303, the semicircular grooves 303 are used to place a plurality of batteries, and the upper battery holder 301 and the lower battery holder 302 are provided with A plurality of connecting plates 305 are fixed with a fixed block 304 at the bottom of the upper battery clamp 301, and are movably connected between the fixed block 304 and the connecting plate 305 through a bolt. The top of the lower battery clamp 302 is provided with a square groove 306, and the square groove Slide rails 307 are fixed on both sides of 306 , and the bottom end of connecting plate 305 slides inside slide rails 307 .

As shown in Figures 1 and 2, the first lifting mechanism 4 also includes a first cylinder 403 fixed to both sides of the side plate 1, the telescopic end of the first cylinder 403 is fixed with a connecting block 402, and the side of the side plate 1 is provided with Square hole, the moving rod 401 is movably arranged in the square hole, the moving rod 401 moves up and down in the square hole, the connecting block 402 is fixed with the moving rod 401, and the second lifting mechanism includes four parts fixed around the bottom of the side plate 1. Support plates 502, the tops of the four support plates 502 are fixed with first telescopic rods 501, the telescopic ends of the first telescopic rods 501 are fixed to the base 2, the first cylinder 403 and the first telescopic rod 501 are activated, and the first cylinder 403 drives The moving rod 401 moves up and down, and the first telescopic rod 501 drives the base 2 to move up and down, so that the lower battery clamp 302 moves until it is adjusted to a suitable height. The side of the side plate 1 is provided with a clamping device, which includes a The second telescopic rod 601 fixed on the side of the board 1, the telescopic end of the second telescopic rod 601 is fixed with a push rod 602, and the battery blocks are placed one by one in the semicircular groove 303 of the lower battery fixture 302, and the second telescopic rod 601 is activated to drive the push rod 602 , the pushing rod 602 squeezes the upper battery clamp 301 and the lower battery clamp 302 .

As shown in Figure 4, a rotating device 7 is provided on the back side of the side plate 1, the rotating device 7 includes two movable plates 703, a rotating shaft is movably connected between the two movable plates 703, and a motor 704 is fixed on the top of the movable plates 703 , the output end of the motor 704 is fixed to the end of the rotating shaft, the back side of the side plate 1 is fixed with a fixed plate 705, the fixed plate 705 is fixed to the rotating shaft, and a fixed seat 701 is movably connected between the ends of the two movable plates 703 One side of the fixed seat 701 is provided with four holes, and bolts can be screwed in the holes to make the fixed seat 701 be installed at a designated position. A fixed shaft is fixed between them, and the output end of the second cylinder 702 is movably connected with the fixed shaft.

Working principle: put the battery blocks one by one in the semi-circular groove 303 of the lower battery fixture 302 and start the second telescopic rod 601, the second telescopic rod 601 drives the push rod 602, and the push rod 602 performs the upper battery fixture 301 and the lower battery fixture 302 Squeeze, then start the first cylinder 403 and the first telescopic rod 501, the first cylinder 403 drives the moving rod 401 to move up and down, the first telescopic rod 501 drives the base 2 to move up and down, so that the lower battery clamp 302 moves until it is adjusted To a suitable height, fully clamp the battery, and then start the second cylinder 702, the second cylinder 702 drives the movable plate 703 to rotate, and the motor 704 drives the fixed plate 705 to rotate, thereby moving the whole device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A lithium battery module spot welding fixture, including a side plate (1), characterized in that: a base (2) is movable between the bottom inner wall of the side plate (1), and the side of the side plate (1) A first lifting mechanism (4) is provided, and the first lifting mechanism (4) includes a moving rod (401), a plurality of upper battery clamps (301) are movably connected to the rod body of the moving rod (401), and the bottom of the base (2) A second lifting mechanism is provided, a fixed rod (8) is fixed between the inner walls on both sides of the base (2), and a plurality of lower battery clamps (302) are movably connected to the rod body of the fixed rod (8), and the side plate (1) A clamping device is provided on the side of the side plate, and a rotating device (7) is provided on the back of the side plate (1). 2. A lithium battery module spot welding fixture according to claim 1, characterized in that: both sides of the upper battery fixture (301) and the lower battery fixture (302) are provided with a plurality of semicircular grooves (303 ), a plurality of connection plates (305) are arranged between the upper battery clamp (301) and the lower battery clamp (302), and a fixed block (304) is fixed on the bottom end of the upper battery clamp (301), and the fixed block (304) and The connection plate (305) is flexibly connected, the top of the lower battery fixture (302) is provided with a square groove (306), the two sides of the square groove (306) are fixed with slide rails (307), and the bottom end of the connection plate (305) is on the slide The rail (307) slides inside. 3. A lithium battery module spot welding fixture according to claim 1, characterized in that: the first lifting mechanism (4) also includes a first cylinder (403) fixed to both sides of the side plate (1) ), the telescopic end of the first cylinder (403) is fixed with a connecting block (402), the side plate (1) is provided with a square hole, and the moving rod (401) is movably set in the square hole, and the connecting block (402) and the moving The rod (401) is fixed. 4. A lithium battery module spot welding fixture according to claim 1, characterized in that: the second lifting mechanism includes a plurality of support plates (502) fixed around the bottom of the side plate (1) to support A first telescopic rod (501) is fixed on the top of the plate (502), and the telescopic end of the first telescopic rod (501) is fixed to the base (2). 5. A lithium battery module spot welding fixture according to claim 1, characterized in that: the clamping device includes a second telescopic rod (601) fixed to the side of the side plate (1), and the second telescopic rod (601) The telescopic end of the rod (601) is fixed with a push rod (602). 6. A lithium battery module spot welding fixture according to claim 1, characterized in that: the rotating device (7) includes two movable plates (703), and the two movable plates (703) are movably connected There is a rotating shaft, the top of the movable plate (703) is fixed with a motor (704), the output end of the motor (704) is fixed with the end of the rotating shaft, the back side of the side plate (1) is fixed with a fixed plate (705), and the fixed plate ( 705) is fixed to the rotating shaft, a fixed seat (701) is movably connected between the ends of the two movable plates (703), and a second cylinder (702) is movably connected to the ends of the fixed seat (701), and the two movable plates A fixed shaft is fixed between (703), and the output end of the second cylinder (702) is movably connected with the fixed shaft.

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