Pressing jig for assembling heating sheet of battery module

Abstract

The utility model discloses a compaction jig for assembling a battery module heating sheet, which comprises an adjustable base, a compaction mechanism and a battery module limiting module, the adjustable base consists of a base height adjusting plate and a base limiting plate arranged on the side surface of the base height adjusting plate; the battery module limiting module is composed of an adjusting connecting seat and a plurality of limiting blocks fixed to the adjusting connecting seat, each limiting block is provided with the corresponding pressing mechanism, the side face of each limiting block is provided with a heating piece head crimping end groove, the side groove wall of each heating piece head crimping end groove is provided with a wire outlet groove, and the wire outlet grooves are connected with the wire outlet grooves. The adjusting connecting base is installed on the top of the base limiting plate, and a pressing block matched with a pressing end groove in the head of the heating piece is installed at the pressing end of the pressing mechanism. The fixture has the beneficial effects that the alignment efficiency of the heating sheet is high, the heating sheet is neat, the heating sheet is effectively attached to the battery cell, and the fixture is high in universality.

Description

Technical Field

[0001] The utility model relates to the field of new energy, in particular to a pressing fixture for assembling a heating plate of a battery module. Background Art

[0002] In the prior art, a battery module (referred to as module) includes a bracket, battery cells, busbars, collection harnesses, etc. For different use environments, a module heating module is usually provided, and the heating module is placed differently according to the different designs of the module. Among them, for the heating module between battery cells, a relatively thin heating sheet is added between the battery cells, but the assembly position of such heating sheet and the degree of fit with the battery cell will affect the life of the battery module, and there are problems such as easy placement deviation, misalignment, and loose fit between the battery cell and the heating sheet during manual assembly, which makes assembly difficult and reliability low. Utility Model Content

[0003] The purpose of the utility model is to provide a pressing fixture for assembling a battery module heating plate in order to solve the above-mentioned problem.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A clamping jig for assembling a battery module heating plate comprises an adjustable base, a clamping mechanism and a battery module limiting module, wherein the adjustable base is composed of a base height adjustment plate and a base limiting plate installed on the side of the base height adjustment plate, the battery module limiting module is composed of an adjustment seat and a plurality of limiting blocks fixed on the adjustment seat, each limiting block is installed with the clamping mechanism, the side of the limiting block is provided with a heating plate head crimping end groove, the side groove wall of the heating plate head crimping end groove is provided with a wire outlet groove, the adjustment seat is installed to the top of the base limiting plate, and the pressing end of the clamping mechanism is installed with a pressing block matching the heating plate head crimping end groove.

[0006] Furthermore, the base height adjustment plate is provided with a plurality of height adjustment strip holes, the height adjustment strip holes are inserted with height adjustment bolts, and the ends of the height adjustment bolts are screwed onto the base limit plate.

[0007] Furthermore, a plurality of level adjustment strip holes are provided on the base limit plate, and level adjustment bolts are inserted into the level adjustment strip holes, and the ends of the level adjustment bolts are screwed onto the adjustment seat.

[0008] Furthermore, a battery pressing arc groove is provided on a side of the limiting block, and a battery module is pressed on one side of the battery pressing arc groove.

[0009] Furthermore, the battery module is composed of an upper battery bracket, a lower battery bracket, and a battery cell sandwiched between the upper battery bracket and the lower battery bracket, a heating plate is adhered to the battery cell, a heating plate head of the heating plate is pressed into the heating plate head crimping end groove, a heating plate tail of the heating plate is wound around the battery cell, and the positive and negative wires of the heating plate are placed in the outlet groove.

[0010] Furthermore, the heating plate further comprises a heating plate middle portion, and the heating plate middle portion is located between the heating plate head portion and the heating plate tail portion and connected to the both.

[0011] Furthermore, the middle portion of the heating plate is adhered to the side surface of the battery core.

[0012] Furthermore, the heating plate head portion, the heating plate middle portion and the heating plate tail portion are integrally formed.

[0013] Furthermore, the battery core is cylindrical or square.

[0014] The beneficial effects of the utility model are:

[0015] 1. The battery module heating plate pressing fixture is equipped with a limit groove. The head of the heating plate is placed in the corresponding alignment groove for alignment, which can align the upper and lower and front and back positions of the heating plate, with high alignment efficiency and neatness.

[0016] 2. The battery module heating plate pressing fixture is equipped with a pressing mechanism. After the head of the heating plate is pressed by the pressing mechanism, the employee tightens the tail of the heating plate and sticks it on the battery cell, so that the heating plate and the battery cell are effectively fitted.

[0017] 3. The battery module heating plate pressing fixture is equipped with a height and level adjustment structure on the base, which can be adjusted according to the position of battery modules of different sizes to improve the versatility of the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a clamping fixture for assembling a battery module heating plate according to the utility model. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of a clamping fixture for assembling a battery module heating plate according to the utility model. Figure 2 ;

[0020] Figure 3 This is a bottom structural diagram of a pressing fixture for assembling a battery module heating plate according to the utility model;

[0021] Figure 4 This is a structural diagram of a clamping jig for assembling a battery module heating plate and a battery module;

[0022] Figure 5 It is an enlarged schematic diagram of structure A of a pressing fixture for assembling a battery module heating plate described in the utility model.

[0023] The following are the descriptions of the reference numerals:

[0024] 1. Adjustable base, 11. Base limit plate, 12. Horizontal adjustment bolt, 13. Horizontal adjustment strip hole, 14. Base height adjustment plate, 15. Height adjustment strip hole, 16. Height adjustment bolt; 2. Clamping mechanism, 21. Pressing block; 3. Battery module limit module, 31. Heating plate head crimping end groove, 32. Wire outlet groove, 33. Battery pressed arc groove, 34. Adjustment seat, 35. Limit block; 4. Battery module, 41. Battery upper bracket, 42. Heating plate head, 43. Battery cell, 44. Battery lower bracket, 45. Heating plate positive and negative wires, 46. Heating plate tail. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings:

[0026] like Figure 1-Figure 5 As shown, a pressing fixture for assembling a battery module heating plate comprises an adjustable base 1, a pressing mechanism 2 and a battery module limiting module 3;

[0027] The adjustable base 1 is composed of a base height adjustment plate 14 and a base limit plate 11 installed on the side of the base height adjustment plate 14, and the base limit plate 11 can realize the height adjustment of the side of the base height adjustment plate 14;

[0028] The battery module limit module 3 is composed of an adjustment seat 34 and a plurality of limit blocks 35 fixed on the adjustment seat 34. In this embodiment, two limit blocks 35 are provided, and a clamping mechanism 2 is installed on each limit block 35. The clamping mechanism 2 is a commonly used limit pressing mechanism, which is widely used in the clamping structure and is not described in detail here; a heating plate head crimping end groove 31 is provided on the side of the limit block 35, and a wire outlet groove 32 is provided on the side groove wall of the heating plate head crimping end groove 31 to facilitate the placement of the wire of the heating plate;

[0029] The adjusting seat 34 is installed to the top of the base limit plate 11. The adjusting seat 34 can be moved and fixed on the base limit plate 11. The pressing end of the clamping mechanism 2 is installed with a pressing block 21 that matches the crimping end groove 31 of the heating plate head, which facilitates the pressing block 21 to press the heating plate into the crimping end groove 31 of the heating plate head.

[0030] like Figure 1-Figure 5 As shown, the utility model also discloses the following more optimized specific structures:

[0031] A plurality of height adjustment strip holes 15 are provided on the base height adjustment plate 14, and a height adjustment bolt 16 is inserted into the height adjustment strip hole 15. The end of the height adjustment bolt 16 is screwed onto the base limit plate 11, and the tightness of the base limit plate 11 and the base height adjustment plate 14 can be adjusted by screwing, so as to achieve up and down movement and fixation.

[0032] A plurality of horizontal adjustment holes 13 are provided on the base limit plate 11, and a horizontal adjustment bolt 12 is inserted into the horizontal adjustment hole 13. The end of the horizontal adjustment bolt 12 is screwed onto the adjustment seat 34. The base limit plate 11 and the adjustment seat 34 can be adjusted in tightness by rotating the horizontal adjustment bolt 12, thereby realizing horizontal movement.

[0033] A battery pressing arc groove 33 is provided on the side of the limiting block 35 , and a battery module 4 is pressed on one side of the battery pressing arc groove 33 .

[0034] The battery module 4 consists of an upper battery bracket 41, a lower battery bracket 44, and a battery cell 43 sandwiched between the upper battery bracket 41 and the lower battery bracket 44. A heating plate is adhered to the battery cell 43, and the heating plate head 42 of the heating plate is pressed into the heating plate head crimping end groove 31. The heating plate tail 46 of the heating plate is wound around the battery cell 43, and the heating plate positive and negative wires 45 of the heating plate are placed in the outlet groove 32.

[0035] It can be understood that the heating plate has a heating plate head portion 42, a heating plate tail portion 46, and a heating plate middle portion located between and connected to the heating plate, and the heating plate middle portion is adhered to the side of the battery core 43. In one embodiment, the heating plate head portion 42, the heating plate middle portion and the heating plate tail portion 46 are integrally formed.

[0036] In one embodiment, the battery cell 43 is cylindrical, square or other shapes.

[0037] like Figure 1-Figure 5 When the shown pressing fixture for assembling the battery module heating plate is in use, the height and horizontal position of the corresponding battery module 4 are adjusted by adjusting the height adjustment bolts 16 and the horizontal adjustment bolts 12 on the adjustable base 1. The battery arc groove 33 is pressed onto the battery cell 43, and then the heating plate head 42 is pressed into the heating plate head crimping end groove 31 through the pressing mechanism 2 and the pressing block 21. The positive and negative wires 45 of the heating plate are led out through the outlet groove 32 to avoid interference between the positive and negative wires 45 of the heating plate and the limiting groove (heating plate head crimping end groove 31). The tail 46 of the heating plate is tightened and attached to the battery cell 43 through double-sided tape, so that the heating plate is effectively fitted to each corresponding battery cell 43.

[0038] The above treatment has many advantages, such as:

[0039] The battery module heating plate pressing fixture is provided with a heating plate head crimping end groove 31, which serves as a limit groove or an alignment groove, and the heating plate head is placed therein for alignment, so that the heating plate can be aligned up and down and front and back.

[0040] The battery module heating plate pressing fixture is provided with a pressing mechanism 2. After the heating plate head 42 is pressed by the pressing mechanism 2, the worker tightens the heating plate tail 46 and sticks it on the battery cell 43, so that the heating plate and the battery cell 43 are effectively fitted.

[0041] The battery module heating plate pressing fixture is provided with a height and level adjustment structure on the base, which can be adjusted according to the position of battery modules of different sizes, thereby improving the versatility of the fixture.

[0042] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A pressing fixture for assembling a battery module heating plate, characterized in that: It includes an adjustable base, a clamping mechanism and a battery module limiting module, the adjustable base is composed of a base height adjustment plate and a base limiting plate installed on the side of the base height adjustment plate, the battery module limiting module is composed of an adjustment seat and a plurality of limiting blocks fixed on the adjustment seat, each of the limiting blocks is installed with the clamping mechanism, the side of the limiting block is provided with a heating plate head crimping end groove, the side groove wall of the heating plate head crimping end groove is provided with a wire outlet groove, the adjusting seat is installed to the top of the base limiting plate, and the pressing end of the clamping mechanism is installed with a pressing block matching the heating plate head crimping end groove.

2. The pressing fixture for assembling a battery module heating plate according to claim 1, characterized in that: The base height adjustment plate is provided with a plurality of height adjustment strip holes, and height adjustment bolts are inserted into the height adjustment strip holes. The ends of the height adjustment bolts are screwed to the base limit plate.

3. The pressing fixture for assembling a battery module heating sheet according to claim 1, characterized in that: The base limiting plate is provided with a plurality of horizontal adjustment strip holes, and the horizontal adjustment strip holes are inserted with horizontal adjustment bolts, and the ends of the horizontal adjustment bolts are screwed onto the adjustment seat.

4. The pressing fixture for assembling a battery module heating sheet according to claim 1, characterized in that: A battery pressing arc groove is provided on the side of the limit block, and a battery module is pressed on one side of the battery pressing arc groove.

5. A pressing jig for assembling a battery module heating sheet according to claim 4, characterized in that: The battery module consists of an upper battery bracket, a lower battery bracket, and a battery cell sandwiched between the upper battery bracket and the lower battery bracket. A heating sheet is adhered to the battery cell. The heating sheet head of the heating sheet is pressed into the heating sheet head crimping end groove. The heating sheet tail of the heating sheet is wound around the battery cell. The positive and negative electrode wires of the heating sheet are placed in the outlet groove.

6. A pressing jig for assembling a battery module heating sheet according to claim 5, characterized in that: The heating plate further comprises a heating plate middle portion, which is located between the heating plate head portion and the heating plate tail portion and connected to the two.

7. A pressing jig for assembling a battery module heating sheet according to claim 6, characterized in that: The middle part of the heating sheet is adhered to the side surface of the battery core.

8. The pressing fixture for assembling a battery module heating plate according to claim 6, characterized in that: The heating plate head portion, the heating plate middle portion and the heating plate tail portion are integrally formed.

9. The pressing jig for assembling a battery module heating sheet according to claim 6, characterized in that: The battery core is cylindrical or square.

Images