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CN-115971351-B - Battery top cap utmost point post riveting tool

CN115971351BCN 115971351 BCN115971351 BCN 115971351BCN-115971351-B

Abstract

The invention discloses a battery top cover pole column riveting jig which comprises a frame, a lower die, an upper die and an upper die driving mechanism, wherein the lower die is arranged on the frame and used for positioning a battery top cover, the upper die is arranged above the lower die, and the upper die driving mechanism is arranged on the frame and used for driving the upper die to move downwards so as to rivet a first pole column assembly and a second pole column assembly. Due to the adoption of the technical scheme, the battery top cover pole riveting jig is convenient for positioning and riveting the battery top cover.

Inventors

  • DONG JIANGUI

Assignees

  • 深圳市长盈精密技术股份有限公司

Dates

Publication Date
20260505
Application Date
20221219

Claims (9)

  1. 1. The battery top cover pole riveting jig is characterized by comprising a frame, a lower die, an upper die and an upper die driving mechanism, wherein the lower die is arranged on the frame and used for positioning the battery top cover, the upper die is arranged above the lower die, and the upper die driving mechanism is arranged on the frame and used for driving the upper die to move downwards so as to rivet and press a first pole component and a second pole component; The lower die comprises a lower die holder and a first positioning part which is arranged on the lower die holder and used for positioning the first bottom plate, the second bottom plate and the lower plastic plate; the first positioning part comprises a positioning block arranged on the lower die holder, a first positioning groove which is formed by downwards sinking from the upper side surface of the positioning block and is matched with the lower plastic plate, and a second positioning groove and a third positioning groove which are respectively formed by downwards sinking from the bottom wall of the first positioning groove at the positions corresponding to the first bottom plate and the second bottom plate and are respectively matched with the first bottom plate and the second bottom plate; The lower die further comprises a first ejection mechanism arranged on the lower die holder, wherein the first ejection mechanism comprises a first ejection column arranged on the lower die holder at a position corresponding to the first through hole and used for supporting the first bottom plate, a second ejection column arranged on the lower die holder at a position corresponding to the second through hole and used for supporting the second bottom plate, and a first elastic piece arranged on the lower die holder and used for pushing the positioning block upwards; The first ejection mechanism further comprises a first limiting part used for limiting the limiting position of the upward movement of the positioning block, when the positioning block is located at the upward movement to the limiting position, the upper side surfaces of the first ejection column and the second ejection column are respectively flush with the bottom walls of the second positioning groove and the third positioning groove, in the riveting process, the upper die downwards presses the positioning block, the positioning block compresses the first elastic piece, the first bottom plate and the second bottom plate are respectively supported on the first ejection column and the second ejection column, the first bottom plate and the second bottom plate cannot move downwards, in the positioning block downward movement process, the second positioning groove and the third positioning groove can gradually decrease along with the downward movement of the positioning block so that the parts of the first bottom plate and the second bottom plate located in the second positioning groove and the third positioning groove are gradually reduced until the upper die completes the pressing of the first riveting column and the second riveting column, and the second bottom plate are located in the third positioning groove and only a small part.
  2. 2. The battery top cover post riveting jig as set forth in claim 1, wherein the lower die further comprises a second positioning portion disposed on the first positioning portion and used for positioning the cover plate, and a third positioning portion disposed on the second positioning portion and used for positioning the first upper plastic plate, the first riveting block, the second upper plastic plate and the second riveting block.
  3. 3. The battery top cover post riveting jig as set forth in claim 1, wherein the first positioning portion further comprises a first clearance groove, a second clearance groove and a third clearance groove formed by sinking downwards from the bottom wall of the first positioning groove at positions corresponding to the first boss, the second boss and the third boss, respectively.
  4. 4. The battery top cover post riveting jig as set forth in claim 2, wherein the second positioning portion comprises a positioning piece disposed on the positioning piece, a first positioning hole formed on the positioning piece corresponding to the position of the cover plate and adapted to the cover plate, and a fourth positioning portion disposed on the positioning piece and used for positioning the positioning piece on the positioning piece.
  5. 5. The battery top cover post riveting jig according to claim 4, wherein the third positioning portion comprises a positioning plate, a fourth positioning groove formed by upwards sinking from the lower side surface of the positioning plate corresponding to the position of the first upper plastic plate and matched with the first upper plastic plate, a second positioning hole formed on the positioning plate corresponding to the position of the first riveting block and vertically penetrating through the groove top wall of the fourth positioning groove, a fifth positioning groove formed by upwards sinking from the lower side surface of the positioning plate corresponding to the position of the second upper plastic plate and matched with the second upper plastic plate, and a third positioning hole formed on the positioning plate corresponding to the position of the second riveting block and vertically penetrating through the groove top wall of the fifth positioning groove, and the fourth positioning portion is further used for positioning the positioning plate on the positioning piece.
  6. 6. The battery top cover post riveting jig according to claim 1, wherein the lower die further comprises at least two limiting inserts arranged on the lower die holder, the upper end faces of the limiting inserts are flush, and when the upper die is used for riveting and expanding the upper end of the first riveting post and filling the upper end of the first riveting post into the large hole section of the first step hole, and the upper die is used for riveting and expanding the upper end of the second riveting post and filling the upper end of the second riveting post into the large hole section of the second step hole, the upper die is propped against the upper end faces of the limiting inserts.
  7. 7. The battery top cover post riveting jig according to claim 1, wherein the upper die comprises an upper die holder arranged on the upper die driving mechanism, a first punching needle arranged on the upper die holder corresponding to the first riveting post and used for punching the first riveting post, a second punching needle arranged on the upper die holder corresponding to the second riveting post and used for punching the second riveting post, and a pushing part arranged on the upper die holder, wherein the pushing part is used for pushing the first riveting block and the second riveting block.
  8. 8. The battery top cover post riveting jig as set forth in claim 7, wherein the pushing part comprises a pushing pressure plate, a first bump formed by protruding downwards from a position, corresponding to the first riveting block, of a lower side surface of the pushing pressure plate, a second bump formed by protruding downwards from a position, corresponding to the second riveting block, of a lower side surface of the pushing pressure plate, a second elastic piece arranged between the pushing pressure plate and the upper die holder and used for pushing the pushing pressure plate downwards, and a second limiting part arranged on the upper die holder and used for limiting a limiting position of the pushing pressure plate moving downwards relative to the upper die holder.
  9. 9. The battery top cover pole riveting jig according to claim 1, wherein the frame comprises an operation table, a surrounding block arranged on the operation table and surrounding the upper die and the lower die, a feeding hole for the battery top cover to enter the surrounding block, and a lower die driving mechanism for driving the lower die to move towards the feeding hole, wherein the lower die driving mechanism is also used for driving the lower die to move away from the feeding hole so as to enable the lower die to move to the position right below the upper die.

Description

Battery top cap utmost point post riveting tool Technical Field The invention relates to the technical field of dies, in particular to a battery top cover pole riveting jig. Background At present, this department has developed a battery top cap, including apron, lower plastic part, first utmost point post subassembly and second utmost point post subassembly, when the preparation the battery top cap, need to be right first utmost point post subassembly with second utmost point post subassembly is riveted, so that first utmost point post subassembly and second utmost point post subassembly is installed on the apron. However, at present, a riveting jig special for riveting the battery top cover is not available, and the battery top cover is inconvenient to position and rivet. Disclosure of Invention Aiming at the defects in the prior art, the invention aims to provide the battery top cover pole riveting jig which is convenient for positioning and riveting the battery top cover. In order to solve the technical problems, the invention adopts a technical scheme that the battery top cover pole riveting jig comprises a frame, a lower die arranged on the frame and used for positioning the battery top cover, an upper die arranged above the lower die and an upper die driving mechanism arranged on the frame and used for driving the upper die to move downwards so as to rivet and press a first pole component and a second pole component. Further, the lower die comprises a lower die holder, a first positioning part, a second positioning part and a third positioning part, wherein the first positioning part is arranged on the lower die holder and used for positioning a first bottom plate, a second bottom plate and a lower plastic plate, the second positioning part is arranged on the first positioning part and used for positioning a cover plate, and the third positioning part is arranged on the second positioning part and used for positioning a first upper plastic plate, a first riveting block, a second upper plastic plate and a second riveting block. Further, the first positioning portion includes a positioning block disposed on the lower die holder, a first positioning groove formed by recessing downwards from an upper side surface of the positioning block and adapted to the lower plastic plate, a first position avoiding groove, a second position avoiding groove and a third position avoiding groove formed by recessing downwards from positions of a bottom wall of the first positioning groove corresponding to the first protruding portion, the second protruding portion and the third protruding portion, and a second positioning groove and a third positioning groove formed by recessing downwards from positions of a bottom wall of the first positioning groove corresponding to the first bottom plate and the second bottom plate and adapted to the first bottom plate and the second bottom plate. The lower die further comprises a first ejection mechanism arranged on the lower die holder, wherein the first ejection mechanism comprises a first ejection column arranged on the lower die holder and corresponding to the first through hole position and used for supporting the first bottom plate, a second ejection column arranged on the lower die holder and corresponding to the second through hole position and used for supporting the second bottom plate, a first elastic piece arranged on the lower die holder and used for pushing the positioning block upwards, and a first limiting part used for limiting the limiting position of the upward movement of the positioning block, and when the limiting position is located in the upward movement, the upper side surfaces of the first ejection column and the second ejection column are respectively flush with the second positioning block and the third bottom wall. Further, the second positioning part comprises a positioning piece arranged on the positioning piece, a first positioning hole formed on the positioning piece corresponding to the position of the cover plate and matched with the cover plate, and a fourth positioning part arranged on the positioning piece and used for positioning the positioning piece on the positioning piece. Further, the third positioning part comprises a positioning plate, a fourth positioning groove which is formed by upwards sinking from the lower side surface of the positioning plate corresponding to the position of the first upper plastic plate and is matched with the first upper plastic plate, a second positioning hole which is formed on the positioning plate corresponding to the position of the first riveting block and vertically penetrates through the groove top wall of the fourth positioning groove, a fifth positioning groove which is formed by upwards sinking from the lower side surface of the positioning plate corresponding to the position of the second upper plastic plate and is matched with the second upper plastic plate, and a third positioning hole which is forme