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CN-224204119-U - Battery cell assembly assembling tool

CN224204119UCN 224204119 UCN224204119 UCN 224204119UCN-224204119-U

Abstract

An assembly fixture for an electric core assembly relates to the technical field of batteries. The battery cell assembly assembling tool can assist in assembling the battery cell assembly and comprises a base, wherein the base is provided with a first positioning surface, a first positioning block is stacked on the base along a first direction and is provided with a second positioning surface perpendicular to the first positioning surface, a spacing plate is arranged on the second positioning surface, the extending direction of the spacing plate is perpendicular to the second positioning surface, and the spacing plate is perpendicular to the first positioning surface. The assembly tool for the battery cell assembly is beneficial to improving the assembly precision.

Inventors

  • WU KAILIANG
  • TANG LIANG
  • CHEN YABIN
  • ZHAO ZONGDE
  • XU GANG

Assignees

  • 小米汽车科技有限公司

Dates

Publication Date
20260505
Application Date
20250411

Claims (12)

  1. 1. Electric core assembly fixture, its characterized in that includes: a base (1), the base (1) having a first positioning surface (101); The first positioning block (2) is stacked on the base (1) along a first direction, the first positioning block (2) is provided with a second positioning surface (201) perpendicular to the first positioning surface (101), a spacing plate (21) is arranged on the second positioning surface (201), the extending direction of the spacing plate (21) is perpendicular to the second positioning surface (201), and the spacing plate (21) is perpendicular to the first positioning surface (101).
  2. 2. The assembly fixture according to claim 1, wherein the spacer (21) is disposed in a non-edge area of the second positioning surface (201) to divide the second positioning surface (201) into a first positioning area (202) and a second positioning area (203).
  3. 3. The battery cell assembly assembling tool according to claim 1, wherein the first positioning block (2) comprises a first fixed block (22) and a first movable block (23), the first positioning block (2) is stacked on the base (1) along the first direction, the first movable block (23) is arranged on the first fixed block (22) along a second direction and a third direction in an adjustable distance, the second positioning surface (201) is located on the first movable block (23), the second direction is perpendicular to the second positioning surface (201), and the third direction is perpendicular to the partition plate (21).
  4. 4. The cell assembly fixture according to claim 1, further comprising a first pressing device (3), the first pressing device (3) having a pressing plate (31), the pressing plate (31) being movably arranged along the first direction.
  5. 5. The assembly fixture for the battery cell assembly according to claim 4, wherein the first pressing device (3) comprises a first support (32), a hinge mechanism (33) and a pressing plate (31), the first support (32) is fixedly arranged on the base (1), and opposite ends of the hinge mechanism (33) are respectively in rotary connection with the first support (32) and the pressing plate (31) so that the pressing plate (31) can be rotatably arranged around a third direction relative to the first support (32), and the third direction is perpendicular to the spacing plate (21).
  6. 6. The assembly fixture for the battery cell according to claim 5, wherein one end of the pressing plate (31) is provided with an extension arm (311), the other end of the extension arm (311) is hinged to the first support (32), the hinge mechanism (33) comprises a handle (331) and a rotating arm (332), one end of the rotating arm (332) is hinged to the handle (331), the other end of the rotating arm is hinged to the extension arm (311) at a position between two ends of the extension arm (311), one end of the handle (331) forms a handle head (333), the other end, opposite to the handle head (333), of the handle (331) is hinged to the first support (32), and the hinged position is different from the extension arm (311).
  7. 7. The cell assembly fixture according to claim 1, further comprising a second positioning block (4), the second positioning block (4) being stacked on the base (1) along the first direction, the second positioning block (4) having a third positioning surface parallel to the second positioning surface (201).
  8. 8. The cell assembly assembling tool according to claim 7, wherein the first positioning blocks (2) are all located at one side of the second positioning blocks (4) along a third direction, and the third direction is perpendicular to the partition plate (21).
  9. 9. The battery cell assembly assembling tool according to claim 1, further comprising a second pressing device (5), wherein the second pressing device (5) is arranged at one end of the base (1), the first positioning block (2) is all located at one side of the second pressing device (5) along a third direction, the third direction is perpendicular to the partition plate (21), the second pressing device (5) comprises a pressing head (51), and the pressing head (51) is movably arranged along the first direction.
  10. 10. The assembly fixture according to claim 9, wherein a guide post (52) extending along the first direction is provided at an end of the ram (51) adjacent to the first positioning surface (101).
  11. 11. The cell assembly tooling according to claim 10, further comprising a compression pad (61), wherein the compression pad (61) is stacked on the base (1) along the first direction, and wherein the orthographic projection of the guide post (52) on the first positioning surface (101) is within the compression pad (61).
  12. 12. The cell assembly fixture according to claim 8, further comprising a fourth positioning block (63), the fourth positioning block (63) having a fourth positioning surface parallel to the second positioning surface (201), the fourth positioning block (63) being located on a side of the second positioning block (4) remote from the base (1) along the first direction.

Description

Battery cell assembly assembling tool Technical Field The disclosure relates to the technical field of batteries, in particular to an assembly fixture for an electric core assembly. Background The battery pack large-surface liquid cooling technology is an advanced battery thermal management technology, and a liquid cooling plate or a liquid cooling pipe is arranged on the wide side surface of the battery cell assembly, so that a cooling material can be directly or indirectly contacted with each battery cell, and a more uniform cooling effect is realized. Moreover, compared with the traditional bottom liquid cooling mode, the large-surface liquid cooling mode of the battery pack has larger heat exchange area, and can remarkably improve the heat dissipation efficiency, so that the safety and the service life of the battery are improved. The assembly difficulty of the existing large-surface liquid cooling scheme battery cell assembly is high, and the assembly precision is required to be improved. Disclosure of utility model The utility model provides a electricity core assembly fixture can assist the assembly of electricity core assembly, is favorable to improving assembly accuracy. The disclosure provides an assembly fixture for a battery cell assembly, comprising a base, a plurality of connecting rods and a plurality of connecting rods, wherein the base is provided with a first positioning surface; The first positioning block is stacked on the base along the first direction and is provided with a second positioning surface perpendicular to the first positioning surface, the second positioning surface is provided with a spacing plate, the extending direction of the spacing plate is perpendicular to the second positioning surface, and the spacing plate is perpendicular to the first positioning surface. In one exemplary embodiment of the present disclosure, a partition plate is provided at a non-edge region of the second positioning surface to divide the second positioning surface into a first positioning area and a second positioning area. In one exemplary embodiment of the present disclosure, the first positioning blocks are arranged in pairs along a second direction perpendicular to the second positioning surfaces, the second positioning surfaces of each pair of first positioning blocks are opposite, and the spacers of each pair of first positioning blocks are coplanar. In one exemplary embodiment of the present disclosure, the first positioning block is provided with not less than two in a third direction, the third direction being perpendicular to the partition plate. In an exemplary embodiment of the disclosure, the first positioning block includes a first fixed block and a first movable block, the first movable block is stacked on the base along a first direction, the first movable block is arranged on the first fixed block along a second direction and a third direction in an adjustable distance, the second positioning surface is located on the first movable block, the second direction is perpendicular to the second positioning surface, and the third direction is perpendicular to the partition plate. In one exemplary embodiment of the present disclosure, the cell assembly tooling further includes a first compression device having a compression plate movably disposed along a first direction. In one exemplary embodiment of the present disclosure, the first pressing devices are disposed adjacent to the first positioning blocks in a one-to-one correspondence in a third direction, which is perpendicular to the partition plate. In one exemplary embodiment of the disclosure, the assembly fixture for the battery cell assembly further comprises a second positioning block stacked on the base along the first direction, wherein the second positioning block is provided with a third positioning surface parallel to the second positioning surface. In one exemplary embodiment of the present disclosure, the second positioning blocks are disposed in pairs along a second direction, the second direction is perpendicular to the second positioning surfaces, the third positioning surfaces of each pair of second positioning blocks are opposite, and at least one of each pair of second positioning blocks is movably disposed along the second direction. In one exemplary embodiment of the present disclosure, the first positioning blocks are all located at one side of the second positioning block in a third direction, the third direction being perpendicular to the partition plate. In an exemplary embodiment of the disclosure, the first pressing device includes a first support, a hinge mechanism and a pressing plate, wherein the first support is fixedly arranged on the base, and opposite ends of the hinge mechanism are respectively and rotatably connected with the first support and the pressing plate, so that the pressing plate is rotatably arranged around a third direction relative to the first support. In one exemplary embodiment of