Spot welding clamp

Abstract

The utility model relates to a spot welding clamp which comprises a box body, openings are formed in the top and the bottom of the box body, a battery cell support used for fixing a battery cell is arranged in the box body, spot welding holes corresponding to the battery cell are formed in the two sides of the box body, and nickel sheets are arranged between the inner walls of the two sides of the box body and the battery cell support. Positioning holes are formed in the nickel sheets, positioning columns corresponding to the positioning holes are arranged on the inner walls of the two sides of the box body, and the positioning holes are matched with the positioning columns. The utility model aims to provide a spot welding clamp to solve the problem that explosion welding is prone to occurring due to the fact that the distance between a nickel sheet and a battery cell is too large when spot welding is conducted on the nickel sheet and the battery cell.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery technical field, concretely relates to a spot welding fixture. BACKGROUND

[0002] In the prior art, with the continuous improvement of people's living standards, field activities are more and more popular. People often take mobile power supplies when going out for outdoor activities to provide various electrical appliances and emergency use.

[0003] The internal mobile power supply is mainly provided with an electric core to provide electric energy. The electric core is fixed by a support outside the electric core, and a nickel sheet is welded at both ends of the electric core. When the existing electric core is welded with the nickel sheet, the problem of explosive welding or explosive spark caused by the excessive distance between the nickel sheet and the electric core has not been well solved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a spot welding fixture to solve the problem of explosive welding of the nickel sheet and the electric core.

[0005] In order to achieve the above-mentioned purpose, the basic scheme of the utility model is as follows:

[0006] A spot welding fixture, comprising a box body, the top and bottom of the box body are provided with openings, an electric core support for fixing the electric core is arranged in the box body, the two sides of the box body are provided with spot welding holes corresponding to the electric core, a nickel sheet is arranged between the inner wall of the two sides of the box body and the electric core support, the nickel sheet is provided with a positioning hole, the inner wall of the two sides of the box body is provided with a positioning column corresponding to the positioning hole, and the positioning hole and the positioning column are matched.

[0007] Compared with the prior art, the spot welding fixture has the following beneficial effects:

[0008] The spot welding fixture is provided with a positioning hole on the nickel sheet and a positioning column on the two sides of the box body. Through the cooperation of the positioning hole and the positioning column, the electric core, the nickel sheet and the spot welding hole are positioned accurately, the distance between the electric core and the nickel sheet is reduced, and the phenomenon of explosive welding or explosive spark in the spot welding process is prevented.

[0009] Preferably, the box body comprises a first side plate and a surrounding plate, the surrounding plate is detachably connected with the first side plate, and the surrounding plate is in the shape of a Chinese character.

[0010] Beneficial effect: the box body is detachable and convenient for placing the electric core.

[0011] Preferably, the surrounding plate comprises a second side plate and two end plates, and the two end plates are fixed at both ends of the second side plate.

[0012] Preferably, the spot welding hole and the positioning column are arranged on the first side plate and the second side plate.

[0013] Preferably, the first side plate and the second side plate are provided with grooves, and the cell support is arranged between the grooves on the first side plate and the second side plate.

[0014] Beneficial effect: the grooves can limit the shaking of the cell support.

[0015] Preferably, a support rod is arranged between the first side plate and the second side plate.

[0016] Beneficial effect: the support rod improves the rigidity of the whole box body, preventing the first side plate and the surrounding plate from shaking relative to each other during the transfer process.

[0017] Preferably, the cell support comprises an upper shell and a lower shell, and the upper shell and the lower shell are respectively provided with cell grooves corresponding to each other; the upper shell and the lower shell are both provided with screw columns, and the upper shell and the lower shell are connected by screws.

[0018] Beneficial effect: the cell support is connected in a detachable manner, facilitating the installation of the cell.

[0019] Preferably, the outer side edge of the spot welding hole is provided with a chamfer.

[0020] Beneficial effect: the chamfer increases the visual angle of the spot welding hole, facilitating the observation of the spot welding condition by the staff.

[0021] Preferably, the second side plate, the end plate and the first side plate are made of bakelite.

[0022] Preferably, the first side plate and the second side plate are provided with magnets.

[0023] Beneficial effect: the magnets can adsorb the nickel sheet, preventing the nickel sheet from falling off or shaking. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structure schematic view of the spot welding fixture provided by the embodiment of the present application is shown in the figure;

[0025] Figure 2 Another structure schematic view of the spot welding fixture provided by the embodiment of the present application is shown in the figure;

[0026] Figure 3 An explosion structure schematic view of the spot welding fixture provided by the embodiment of the present application is shown in the figure;

[0027] Figure 4 A structure schematic view of the first side plate provided by the embodiment of the present application is shown in the figure;

[0028] Figure 5 A structure schematic view of the first side plate provided by the embodiment of the present application is shown in the figure; Figure 4 An enlarged schematic view of the middle B;

[0029] Figure 6The structure schematic view of the fence is provided for the embodiment of the utility model.

[0030] Figure 7 For Figure 6 The enlarged schematic view of the middle C.

[0031] Figure 8 The structure schematic view of the nickel sheet is provided for the embodiment of the utility model.

[0032] Figure 9 The structure schematic view of the battery cell support is provided for the embodiment of the utility model.

[0033] Figure 10 For Figure 1 The enlarged schematic view of the middle A. Specific implementation

[0034] The following is further explained in detail through specific implementation:

[0035] The reference signs in the drawings of the specification include: box 1, battery cell support 2, spot welding hole 3, nickel sheet 4, positioning hole 5, positioning column 6, first side plate 7, fence 8, second side plate 9, end plate 10, sink 11, support rod 12, upper shell 13, lower shell 14, battery cell groove 15, screw column 16, chamfer 17, magnet 18.

[0036] As shown in the accompanying Figures 1-10 The embodiment shows a spot welding fixture, which includes a box 1, the top and bottom of the box 1 are provided with openings, a battery cell support 2 for fixing a battery cell is arranged in the box 1, the two sides of the box 1 are provided with spot welding holes 3 corresponding to the battery cell, a nickel sheet 4 is arranged between the inner wall of the two sides of the box 1 and the battery cell support 2, the nickel sheet 4 is provided with a positioning hole 5, the inner wall of the two sides of the box 1 is provided with a positioning column 6 corresponding to the positioning hole 5, and the positioning hole 5 is matched with the positioning column 6.

[0037] The spot welding fixture of the embodiment is used in the following way: first, the battery cell is arranged in the battery cell support 2, then the battery cell support 2 is fixed in the box 1, the two ends of the battery cell in the battery cell support 2 are aligned with the spot welding holes 3 of the two sides of the box 1, and then the battery cell is put into a spot welding machine for spot welding.

[0038] In the embodiment, the positioning hole 5 is arranged on the nickel sheet 4, and the positioning column 6 is arranged on the two sides of the box 1, the distance between the battery cell and the nickel sheet 4 is reduced through the cooperation of the positioning hole 5 and the positioning column 6, and the phenomenon of explosion welding or explosion spark in the spot welding process is prevented.

[0039] The box 1 includes a first side plate 7 and a fence 8, the fence 8 is detachably connected with the first side plate 7, and the fence 8 is in the shape of a whole.

[0040] Specifically, the enclosure 8 comprises a second side plate 9 and two end plates 10 fixed at two ends of the second side plate 9. The second side plate 9, the end plates 10 and the first side plate 7 are all made of bakelite.

[0041] Specifically, the spot welding holes 3 and the positioning columns 6 are arranged on the first side plate 7 and the second side plate 9. Meanwhile, the first side plate 7 and the second side plate 9 are provided with magnets 18, which can attract the nickel sheets 4 so as to prevent the nickel sheets 4 from falling off or shaking.

[0042] In some embodiments, the first side plate 7 and the second side plate 9 are provided with recesses 11, and the cell holder 2 is arranged between the recesses 11 on the first side plate 7 and the second side plate 9. The recesses 11 can limit the shaking of the cell holder 2 and assist in fixing the cell holder 2.

[0043] In other embodiments, a support rod 12 is arranged between the first side plate 7 and the second side plate 9. The support rod 12 improves the rigidity of the box body 1 as a whole, preventing the first side plate 7 and the enclosure 8 from shaking relative to each other during the transfer process.

[0044] Specifically, the cell holder 2 comprises an upper shell 13 and a lower shell 14, and the upper shell 13 and the lower shell 14 are respectively provided with cell grooves 15 corresponding to each other. The cell is fixed between the cell grooves 15 of the upper shell 13 and the lower shell 14. The upper shell 13 and the lower shell 14 are both provided with screw columns 16, and the upper shell 13 and the lower shell 14 are connected by screws.

[0045] In the above embodiments, a chamfer 17 is arranged on the outer side edge of the spot welding hole 3. The chamfer 17 increases the visual angle of the spot welding hole 3, which is convenient for the staff to observe the spot welding condition.

[0046] The above is only an embodiment of the present application, and the well-known specific structures and properties in the scheme are not described in detail. It should be noted that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection range of the present application. These will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A spot welding fixture characterized by: The application relates to a battery box, which comprises a box body (1) provided with an opening at the top and the bottom, an electric core support (2) for fixing electric cores arranged in the box body (1), point welding holes (3) corresponding to the electric cores arranged on the two sides of the box body (1), a nickel sheet (4) arranged between the inner wall of the two sides of the box body (1) and the electric core support (2), a positioning hole (5) arranged on the nickel sheet (4), a positioning column (6) arranged on the inner wall of the two sides of the box body (1) and corresponding to the positioning hole (5), and the positioning hole (5) is matched with the positioning column (6).

2. A spot welding fixture according to claim 1, characterized in that: The box body (1) comprises a first side plate (7) and a surrounding plate (8), the surrounding plate (8) is detachably connected with the first side plate (7), and the surrounding plate (8) is in the shape of a Chinese character.

3. A spot welding fixture according to claim 2, wherein: The surrounding plate (8) comprises a second side plate (9) and two end plates (10), and the two end plates (10) are fixed at the two ends of the second side plate (9).

4. A spot welding fixture according to claim 3, wherein: The point welding holes (3) and the positioning columns (6) are arranged on the first side plate (7) and the second side plate (9).

5. A spot welding fixture according to claim 3 or 4, wherein: Sunk grooves (11) are arranged on the first side plate (7) and the second side plate (9), and the electric core support (2) is arranged between the sunk grooves (11) on the first side plate (7) and the second side plate (9).

6. A spot welding fixture according to claim 5, wherein: A supporting rod (12) is arranged between the first side plate (7) and the second side plate (9).

7. A spot welding fixture according to claim 1, wherein: The electric core support (2) comprises an upper shell (13) and a lower shell (14), the upper shell (13) and the lower shell (14) are respectively provided with corresponding electric core grooves (15), screw columns (16) are arranged on the upper shell (13) and the lower shell (14), and the upper shell (13) and the lower shell (14) are screw-connected.

8. A spot welding fixture according to claim 4, wherein: The outer side edge of the point welding hole (3) is provided with a chamfer (17).

9. A spot welding fixture according to claim 3, wherein: The second side plate (9), the end plate (10) and the first side plate (7) are made of bakelite.

10. A spot welding fixture according to claim 4, wherein: Magnets (18) are arranged on the first side plate (7) and the second side plate (9).

Images