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CN-224223122-U - Battery module welding jig

CN224223122UCN 224223122 UCN224223122 UCN 224223122UCN-224223122-U

Abstract

The utility model relates to a battery module welding jig which comprises a positioning bottom plate, a pressing plate and a limiting support block, wherein the positioning bottom plate is provided with a positioning groove and a limiting groove, the limiting groove is communicated with the positioning groove, the pressing plate is connected with the positioning bottom plate, the pressing plate is provided with a welding hole, the welding hole is communicated with the positioning groove, the limiting support block is arranged in the limiting groove in a sliding manner, one end of the limiting support block, which faces the positioning groove, is provided with a support part, and the support part is movably arranged in the positioning groove. The supporting part plays a certain supporting and limiting role on the bending part of the connecting sheet in the positioning groove, the connecting sheet is positioned and limited rapidly, and the connecting sheet is pressed after being attached to the positioning bottom plate through the pressing plate, so that the connecting sheet is better attached to the anode and the cathode of the battery module, the flatness of the connecting sheet during welding is ensured, the problem of displacement or deformation of the connecting sheet is not easy to occur, welding defects such as insufficient welding, deviation and uneven welding of welding points are avoided, and the welding efficiency and the welding quality of the battery module are greatly improved.

Inventors

  • YIN LIZHI
  • CHEN ZHIYONG

Assignees

  • 江西微电新能源有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (10)

  1. 1. A battery module welding jig, its characterized in that includes: the positioning bottom plate is provided with a positioning groove and a limiting groove, the limiting groove is arranged adjacent to the positioning groove, and the limiting groove is communicated with the positioning groove; A pressing plate connected with the positioning bottom plate, provided with a welding hole communicated with the positioning groove, and The limiting support block is arranged in the limiting groove in a sliding mode, one end, facing the positioning groove, of the limiting support block is provided with a support portion, and the support portion is movably arranged in the positioning groove.
  2. 2. The battery module welding jig according to claim 1, wherein the limit support block is provided with an extension portion, the extension portion protrudes at least partially from the limit groove, and the extension portion abuts against the positioning base plate.
  3. 3. The battery module welding jig according to claim 2, wherein the extension portion is magnetically connected with the positioning base plate.
  4. 4. The welding jig for the battery module according to claim 3, wherein the extension portion is provided with a first magnetic member, the positioning base plate is provided with two second magnetic members arranged at intervals, the two second magnetic members are sequentially arranged from one end close to the positioning groove to one end far away from the positioning groove, and the first magnetic member is movably and magnetically connected with one second magnetic member.
  5. 5. The battery module welding jig according to claim 1, wherein the pressing plate is magnetically connected with the positioning base plate.
  6. 6. The welding jig for battery modules according to claim 5, wherein the pressing plate is provided with a third magnetic member, the positioning base plate is provided with a fourth magnetic member, and the third magnetic member is magnetically connected with the fourth magnetic member.
  7. 7. The battery module welding jig according to any one of claims 1 to 6, wherein a first avoiding groove is provided in a face of the pressing plate facing the positioning base plate.
  8. 8. The welding jig for a battery module according to any one of claims 1 to 6, wherein a second avoiding groove is provided at an end of the limiting groove away from the positioning groove.
  9. 9. The battery module welding jig according to any one of claims 1 to 6, wherein a cross-sectional area of the positioning groove gradually increases from an end far from the pressing plate to an end near the pressing plate.
  10. 10. The battery module welding jig according to any one of claims 1 to 6, further comprising a positioning member detachably connected to the positioning base plate.

Description

Battery module welding jig Technical Field The utility model relates to the technical field of jigs, in particular to a battery module welding jig. Background The battery module is formed by combining a plurality of single batteries in series or in parallel, so that the battery module is formed by assembling, the welding connection among the batteries is the most important link in the manufacturing process of the battery module, the quality of the welding step of the battery module directly determines the quality and the service life of a finished product of the battery module, the welding process of the battery module is generally to place the connecting sheet on the positive electrode and the negative electrode of the corresponding two or more batteries needing to be in circuit connection through adopting the connecting sheet, and then the connecting sheet is in welding connection with the positive electrode and the negative electrode of the batteries, so that the welding of the battery module is realized, the circuit connection of each battery in the battery module is realized, the positioning limit and the bonding degree requirements of the welding of the battery module on the connecting sheet are very high, the welding quality can be ensured, and the quality of the finished product of the battery module is ensured. However, as the application of the battery module in industries such as energy storage is increasing, the technical requirements on the manufacturing process of the battery module are higher and higher, the welding of the battery module is the most important process step, the welding requirement on the battery module is also higher and higher, in the existing production, the welding is usually performed after the positioning of the connecting sheet by a jig of a manual or profiling connecting sheet, the problems of poor positioning effect and low positioning efficiency exist, and the connecting sheet is usually of a sheet structure with a bending part, and the problem of shift or deformation easily occurs, so that the poor welding of the weld spot rosin joint, deviation, uneven welding of the weld joint and the like easily occurs, and the welding quality is influenced, therefore, the battery module welding jig capable of improving the welding efficiency and the welding quality is necessary. Disclosure of utility model Based on this, it is necessary to provide a battery module welding jig. The technical scheme for solving the technical problems is as follows, the welding jig for the battery module comprises: the positioning bottom plate is provided with a positioning groove and a limiting groove, the limiting groove is arranged adjacent to the positioning groove, and the limiting groove is communicated with the positioning groove; A pressing plate connected with the positioning bottom plate, provided with a welding hole communicated with the positioning groove, and The limiting support block is arranged in the limiting groove in a sliding mode, one end, facing the positioning groove, of the limiting support block is provided with a support portion, and the support portion is movably arranged in the positioning groove. In one embodiment, the spacing support block is provided with an extension portion, the extension portion is at least partially protruded from the spacing groove, and the extension portion is abutted with the positioning bottom plate. In one embodiment, the extension is magnetically coupled to the positioning base. In one embodiment, the extension portion is provided with a first magnetic member, the positioning bottom plate is provided with two second magnetic members which are arranged at intervals, the two second magnetic members are sequentially arranged from one end close to the positioning groove to one end far away from the positioning groove, and the first magnetic member is in movable magnetic connection with one second magnetic member. In one embodiment, the pressure plate is magnetically coupled to the positioning base plate. In one embodiment, the pressing plate is provided with a third magnetic member, the positioning base plate is provided with a fourth magnetic member, and the third magnetic member is magnetically connected with the fourth magnetic member. In one embodiment, a first avoidance groove is formed in one surface, facing the positioning bottom plate, of the pressing plate. In one embodiment, a second avoidance groove is formed in one end, far away from the positioning groove, of the limiting groove. In one embodiment, the cross-sectional area of the detent groove increases gradually from an end distal to the platen to an end proximal to the platen. In one embodiment, the positioning device further comprises a positioning piece, and the positioning piece is detachably connected with the positioning bottom plate. Compared with the prior art, the utility model has the following advantages: According to the utility model, the positioning bottom plate is pro