CN223265045U - A welding tool - Google Patents

Abstract

The utility model discloses a welding tool which comprises a support, a rotating mechanism arranged on the support, a support connected with the rotating mechanism and two welding mechanisms arranged on the support in different directions, wherein the welding mechanisms comprise clamping parts for clamping battery blocks, and telescopic cylinders for connecting the clamping parts and the support. According to the utility model, two welding mechanisms with different directions are connected together through the bracket, and when in production, vertical welding or side welding can be freely selected according to welding requirements, so that a welding tool is not required to be switched, and the welding procedure is simplified.

Description

Welding fixture

Technical Field

The utility model relates to the technical field of battery production, in particular to a welding tool.

Background

The lithium battery is widely applied to the electric automobile and energy storage industry with the advantages of high energy density, long service life, good safety performance, less pollution and the like, and the battery assembly process comprises a welding process of a top cover and a battery shell. The existing welding mode for the battery top cover comprises two modes of vertical welding laser welding and side welding laser welding. Vertical welding refers to welding along a joint from top to bottom or from bottom to top, with a weld angle of 90 ° (vertically up) or 270 ° (vertically down) at the welding location. The side welding is to weld the side surfaces of two workpieces together, and the welding position is mainly located on the side surfaces of the workpieces and is different from the vertical welding position of the vertical welding. From the technical characteristics, the vertical welding has short time consumption and high efficiency, but the welding light leakage phenomenon possibly exists, and the welding quality of the side welding is higher, but the time consumption is longer. At present, welding tools adopted by side welding and vertical welding are separated, and the welding tools are required to be switched for use before each welding.

Disclosure of utility model

The utility model aims to provide a welding tool, which connects two welding mechanisms with different directions through a bracket, and can freely select vertical welding or side welding according to welding requirements during production without switching the welding tool, thereby simplifying welding procedures.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model discloses a welding tool which comprises a support, a rotating mechanism arranged on the support, a support connected with the rotating mechanism and two welding mechanisms arranged on the support in different directions, wherein the welding mechanisms comprise clamping parts for clamping battery blocks, and telescopic cylinders for connecting the clamping parts and the support.

The clamping part comprises a first datum plate and a first clamping cylinder, wherein the first datum plate is oppositely arranged, the first clamping cylinder drives the two first datum plates to move relatively, and the non-telescopic end of the first clamping cylinder is connected with the bracket.

The clamping part further comprises a second reference plate placed at the opposite position and a second clamping cylinder for driving the two second reference plates to move relatively, wherein the first reference plate and the second reference plate are surrounded to form a containing cavity for placing a battery, and the non-telescopic end of the second clamping cylinder is connected with the bracket.

Further, the two welding mechanisms are arranged vertically.

The welding mechanism further comprises an L-shaped plate arranged between the clamping part and the telescopic cylinder, and the telescopic cylinder and the clamping part are respectively arranged at two extending ends of the L-shaped plate.

Further, the welding mechanism further comprises an extension plate which is connected with the first datum plate in a sliding mode, and the extension plate can slide back and forth in a limited mode along the length direction of the first datum plate.

Further, the welding mechanism further comprises a longitudinal supporting block arranged between the first reference plate and the second reference plate.

In a further scheme, the longitudinal supporting blocks are detachably connected with the L-shaped plates.

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

According to the utility model, the vertical welding mechanism and the side welding mechanism are integrated on the same bracket, and the corresponding welding mechanism can be selected according to the requirements before welding, so that a tooling is not required to be switched, and the welding process is simplified. When the welding quality is required to be fast, a vertical welding mechanism is selected, and when the welding quality is required to be high, a side welding mechanism is selected. In addition, the welding angle can be adjusted by adjusting the rotating mechanism, the welding distance can be adjusted by adjusting the telescopic cylinder, the accurate positioning of the workpiece can be met, and the welding quality can be improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a welding mechanism according to the present utility model;

In the figure, a 1-support, a 2-welding mechanism, a 21-clamping part, a 211-first reference plate, a 212-first clamping cylinder, a 213-second reference plate, a 214-second clamping cylinder, a 22-telescopic cylinder, a 23-L-shaped plate, a 24-extension plate, a 25-longitudinal supporting block, a 3-rotating mechanism and a 4-bracket are arranged.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, a welding tool comprises a support 1, a rotating mechanism 3 installed on the support 1, a support 4 connected with the rotating mechanism 3, and two welding mechanisms 2 arranged on the support 4, wherein the welding mechanisms 2 comprise a clamping part 21 for clamping a battery block, and a telescopic cylinder 22 for connecting the clamping part 21 and the support 4. The two welding mechanisms 2 are perpendicular to each other, one extending upwards, herein called vertical welding mechanism, and the other extending outwards, herein called side welding mechanism. Along with the rotation of the rotating mechanism 3, the vertical welding mechanism clamps the battery to rotate circumferentially by taking the rotating mechanism 3 as a central shaft, and the lateral welding mechanism clamps the battery to rotate by taking the rotating mechanism 3 as a central point. In addition, the telescopic cylinder 22 of the vertical welding mechanism is perpendicular to the central axis of the rotating mechanism 3, the height of the vertical welding clamping battery can be adjusted, the telescopic cylinder 22 of the side welding mechanism is parallel to the central axis of the rotating mechanism 3, and the horizontal position of the side welding clamping battery can be adjusted. Through the arrangement of the side welding mechanism and the vertical welding mechanism and the driving of the rotating mechanism 3, the accurate positioning of the workpiece is realized, and the welding quality is improved.

Further, the clamping part 21 comprises a first reference plate 211 which is oppositely arranged and a first clamping cylinder 212 which drives the two first reference plates 211 to move relatively, and the non-telescopic end of the first clamping cylinder 212 is connected with the bracket 4. The clamping part 22 further comprises a second reference plate 213 which is placed at the opposite position and a second clamping air cylinder 214 which drives the two second reference plates 213 to move relatively, the first reference plate 211 and the second reference plate 213 are encircled to form a square accommodating cavity for placing batteries, and the non-telescopic end of the second clamping air cylinder 214 is arranged on one end face of the bracket 4.

Further, the welding mechanism 2 further comprises an L-shaped plate 23 arranged between the clamping part 21 and the telescopic air cylinder 22, and the telescopic air cylinder 22 and the clamping part 21 are respectively arranged on two right-angle edges of the L-shaped plate 23.

Further, the support 4 is a cube box structure, two vertical faces of the support are respectively used as two installation end faces for installing the vertical welding mechanism and the side welding mechanism, corresponding grooves are formed in the installation end faces for the welding mechanism to pass through, and the telescopic cylinder 22 and the L-shaped plate 23 are installed inside the cube box. The non-telescoping end of telescoping cylinder 22 is fixedly connected to the inner wall of the cube box.

Further, the welding mechanism 2 further comprises an extension plate 24 slidably connected to the first reference plate 211, and the extension plate 24 can slide back and forth in a limited manner along the length direction of the first reference plate 211. For larger size batteries, the extension plate 24 may be slid out of the bottom of the first datum plate 221, providing support for the long sides of the battery.

Further, the welding mechanism 2 further comprises a longitudinal supporting block 25 arranged between the first reference plate 211 and the second reference plate 213, the longitudinal supporting block 25 is detachably connected with the L-shaped plate 23, and the longitudinal supporting block 25 with different lengths can be replaced according to the width of the battery to provide a supporting effect for the wide side of the battery.

When the welding device is used, a welding mechanism is selected according to welding requirements, a battery to be welded is placed in a corresponding accommodating cavity, a clamping cylinder is adjusted, the battery is clamped, a rotating mechanism 3 is adjusted, the battery is aligned to a welding gun at a proper angle, a telescopic cylinder 22 is adjusted, the distance between the battery and the welding gun is adjusted, and finally welding is performed.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Therefore, the above description is not intended to limit the scope of the application, but rather should be construed in view of the appended claims.

Claims (8)

1. The utility model provides a welding frock, its characterized in that includes support (1), installs rotary mechanism (3) on support (1), support (4) be connected with rotary mechanism (3), locates two welding mechanism (2) of different positions on support (4), welding mechanism (2) are including clamping part (21) that are used for the centre gripping battery piece, connect telescopic cylinder (22) of clamping part (21) and support (4).

2. Welding tool according to claim 1, characterized in that the clamping part (21) comprises a first reference plate (211) which is placed oppositely and a first clamping cylinder (212) which drives the two first reference plates (211) to move relatively, and the non-telescopic end of the first clamping cylinder (212) is connected with the bracket (4).

3. Welding tool according to claim 2, characterized in that the clamping part (21) further comprises a second reference plate (213) placed at a relative position and a second clamping cylinder (214) for driving the two second reference plates (213) to move relatively, the first reference plate (211) and the second reference plate (213) surround to form a containing cavity for placing a battery, and the non-telescopic end of the second clamping cylinder (214) is connected with the bracket (4).

4. Welding fixture according to claim 1, characterized in that the two welding mechanisms (2) are arranged perpendicular to each other.

5. A welding tool according to claim 3, wherein the welding mechanism (2) further comprises an L-shaped plate (23) arranged between the clamping part (21) and the telescopic cylinder (22), and the telescopic cylinder (22) and the clamping part (21) are respectively arranged at two extending ends of the L-shaped plate (23).

6. Welding tool according to claim 2, characterized in that the welding mechanism (2) further comprises an extension plate (24) in sliding connection with the first reference plate (211), the extension plate (24) being limited to slide back and forth along the length of the first reference plate (211).

7. Welding tool according to claim 5, characterized in that the welding mechanism (2) further comprises a longitudinal support block (25) arranged between the first reference plate (211) and the second reference plate (213).

8. Welding fixture according to claim 7, characterized in that the longitudinal support block (25) is detachably connected to the L-shaped plate (23).