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CN-224223090-U - Positioning tool and processing system

CN224223090UCN 224223090 UCN224223090 UCN 224223090UCN-224223090-U

Abstract

The application relates to a positioning tool and a processing system, wherein the positioning tool comprises a body, a connecting piece and an elastic piece, the connecting piece is connected with the body, the connecting piece is used for being spliced with a sleeve of a battery pack box body so as to position the relative position of the sleeve in the battery pack box body, and the elastic piece is connected with the body so as to elastically support the sleeve. Through above-mentioned technical scheme, with the relative position of connecting piece and sleeve direct grafting location sleeve in the battery package box, and with elastic component elastic support sleeve matched with, the axial elastic support of elastic component can guarantee to have sufficient laminating degree and straightness that hangs down between the box of sleeve and battery, avoids the sleeve to weld relative battery package box in the position change to ensure the relative battery package box's of sleeve back position degree.

Inventors

  • SONG RONGGUANG
  • Ye Haibao
  • GOU HAIDONG

Assignees

  • 浙江凌骁能源科技有限公司
  • 浙江零跑科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250509

Claims (10)

  1. 1. A positioning tool (100), wherein the positioning tool (100) comprises: A body (110); A connecting piece (120) connected with the body (110), wherein the connecting piece (120) is used for being inserted into a sleeve (200) of a battery pack box body to position the relative position of the sleeve (200) in the battery pack box body, and And the elastic piece (130) is connected with the body (110), and the elastic piece (130) is used for elastically supporting the sleeve (200).
  2. 2. The positioning tool (100) according to claim 1, wherein the elastic member (130) is configured as a cylindrical spring; wherein the cylindrical spring surrounds the connection piece (120).
  3. 3. The positioning tool (100) according to claim 1, wherein, The elastic member (130) has a compressed state in which a dimension of the elastic member (130) in a first direction is a compressed dimension (L1); The sleeve (200) comprises a tail (210), the tail (210) having a first dimension (L2) along a first direction; wherein the compressed dimension (L1) is greater than or equal to the first dimension (L2).
  4. 4. A positioning tool (100) according to claim 3, wherein the sleeve (200) has an accommodation space (200 a); wherein at least part of the connector (120) is configured to be located within the receiving space (200 a) to limit displacement of the sleeve (200) in a second direction; the first direction intersects the second direction.
  5. 5. The positioning tool (100) according to any one of claims 1 to 4, wherein, The positioning tool (100) further comprises: -a decoupling member (140) configured to decouple the connecting member (120) from the sleeve (200); wherein the decoupling member (140) is connected to the body (110).
  6. 6. The positioning tool (100) according to claim 5, wherein, The body (110) is formed with: a via hole (110 a) which is opened along a first direction; Wherein a portion of the decoupling member (140) is positioned within the via (110 a) to apply a force to the battery pack case (300) that decouples the connector (120) from the sleeve (200).
  7. 7. The positioning tool (100) according to any one of claims 1 to 4, wherein, The positioning tool (100) further comprises: A stopper (150) configured to restrict displacement of the battery pack case (300) in a first direction; wherein the limiting piece (150) is connected with the body (110).
  8. 8. The positioning tool (100) according to any one of claims 1 to 4, wherein, A second dimension (L3) of the connector (120) in a first direction is greater than or equal to three-quarters of a third dimension (L4) of the sleeve (200) in the first direction, and/or The difference between the outer circumferential radial dimension of the connecting piece (120) and the inner circumferential radial dimension of the head (220) of the sleeve (200) is in the range of 0.1mm to 0.25mm.
  9. 9. The positioning tool (100) according to any one of claims 1 to 4, wherein, The positioning tool (100) further comprises: And the support (160) is fixedly connected with the body (110).
  10. 10. A machining system (10), characterized by comprising a positioning tool (100) as claimed in any one of claims 1 to 9 and a welding device for welding a sleeve (200) of a battery pack case.

Description

Positioning tool and processing system Technical Field The application relates to the technical field of battery packs, in particular to a positioning tool and a processing system. Background The battery pack is installed to the electric equipment, and a sleeve is arranged on the battery pack box body, and is in positioning connection with the sleeve through a positioning pin on the electric equipment, wherein the sleeve is formed on a bottom plate of the battery pack box body in a welding mode. In the related art, after the welding of the sleeve and the bottom plate of the battery pack box body is finished, the geometric tolerance of the sleeve relative to the bottom plate of the battery pack box body is large, so that the connection stability between the battery pack box body and electric equipment is poor after the battery pack box body and the electric equipment are installed. Disclosure of utility model The embodiment of the application provides a positioning tool, which reduces the geometric tolerance of a sleeve relative to a bottom plate of a battery pack box body after the welding of the sleeve and the bottom plate of the battery pack box body is finished, so as to at least partially solve the technical problems. To achieve the above object, according to a first aspect of the present application, there is provided a positioning tool, comprising: A body; A connecting piece connected with the body, the connecting piece is used for being inserted into a sleeve of the battery pack box body to position the relative position of the sleeve in the battery pack box body, and The elastic piece is connected with the body and is used for elastically supporting the sleeve. Optionally, the elastic member is configured as a cylindrical spring; Wherein the cylindrical spring surrounds the connecting piece. Optionally, the elastic member has a compressed state in which a dimension of the elastic member in the first direction is a compressed dimension; The sleeve comprises a tail, a sleeve body and a sleeve body, wherein the size of the tail along a first direction is a first size; Wherein the compressed size is greater than the first size. Optionally, the sleeve has an accommodation space; wherein at least part of the connector is configured to be located within the receiving space to limit displacement of the sleeve in a second direction; the first direction intersects the second direction. Optionally, the positioning tool further includes: A decoupling member configured to decouple the connecting member from the sleeve; wherein the decoupling member is connected to the body. Optionally, the body is formed with: A via hole formed along a first direction; Wherein a portion of the decoupling member is positioned within the via to apply a force to the battery pack housing that decouples the connector from the sleeve. Optionally, the positioning tool further includes: and the limiting piece is configured to limit the displacement of the battery pack box body along the first direction. Wherein, the spacing piece with the body constitutes the connection. Optionally, the second dimension of the connector in the first direction is greater than or equal to three-quarters of the third dimension of the sleeve in the first direction, and/or The difference value between the outer circumferential radial dimension of the connecting piece and the inner circumferential radial dimension of the head of the sleeve ranges from 0.1mm to 0.25mm. Optionally, the positioning tool further includes: And the support is fixedly connected with the body. According to a second aspect of the present application there is provided a machining system comprising a positioning tool as described above and a welding device for welding a sleeve of a battery pack case. The positioning tool has the beneficial effects that the geometric tolerance of the sleeve relative to the bottom plate of the battery pack box body is reduced after the sleeve and the bottom plate of the battery pack box body are welded. More specifically, some embodiments of the present application may have the following specific benefits: In the positioning tool provided by the embodiment of the application, the positioning tool comprises a body, a connecting piece and an elastic piece, wherein the connecting piece is connected with the body, the connecting piece is used for being spliced with the sleeve of the battery pack box body so as to position the relative position of the sleeve in the battery pack box body, and the elastic piece is connected with the body so as to elastically support the sleeve. Through above-mentioned technical scheme, with the relative position of connecting piece and sleeve direct grafting location sleeve in the battery package box, and with elastic component elastic support sleeve matched with, the axial elastic support of elastic component can guarantee to have sufficient laminating degree and straightness that hangs down between sleeve and the box of batter