CN220543974U

CN220543974U - Roll core shell-entering device

Info

Publication number: CN220543974U
Application number: CN202322034955.6U
Authority: CN
Inventors: 姚建来; 陈志勇; 陈雷; 章荣忠; 钟俊伟; 尹伟华; 姚宏京
Original assignee: Jiangxi Weidian New Energy Co Ltd
Current assignee: Jiangxi Weidian New Energy Co Ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-27
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to the field of battery preparation, and discloses a winding core shell-entering device which is characterized by comprising the following components: lifting unit, casing location tool, roll up core location tool and push the subassembly, push the subassembly roll up core location tool, the casing location tool sets gradually from last extremely down, it is used for spacing fixed to a plurality of rolls of core to roll up the core location tool, the casing location tool is used for spacing fixed to a plurality of casings, roll up the core with casing one-to-one, lifting unit is used for the drive roll up core location tool towards being close to the casing location tool removes, push the subassembly be used for with roll up the core one-to-one pushes corresponding in the casing, the device has simple structure, and the characteristics that the alignment precision is high have shown to have improved to roll up the core and have gone into the shell yield, have reduced manufacturing cost.

Description

Roll core shell-entering device

Technical Field

The utility model relates to the field of battery preparation, in particular to a winding core shell-entering device.

Background

The existing winding core shell-entering mode generally adopts a mechanical arm or an adsorption piece to transfer the winding core to the upper part of the shell, then pushes the winding core into the shell, and has higher requirements on the precision of a machine, otherwise, the conditions of shell-entering failure, scratch and fracture of the outer edge of the winding core by the opening end of the shell and the like are easy to occur, and the production yield is directly influenced.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a winding core shell-entering device.

The aim of the utility model is realized by the following technical scheme:

a core-in-shell device comprising: lifting unit, casing location tool, roll up core location tool and push the subassembly, push the subassembly roll up core location tool, the casing location tool sets gradually from last extremely down, it is used for spacing fixedly to a plurality of rolls of core to roll up the core location tool, the casing location tool is used for spacing fixedly to a plurality of casings, roll up the core with casing one-to-one, lifting unit is used for the drive roll up core location tool towards being close to the casing location tool removes, push the subassembly be used for with roll up the core one-to-one in the casing.

In one embodiment, the winding core shell entering device further comprises a base, the shell positioning jig is arranged on the base and comprises a first jig body, a plurality of limiting grooves are formed in the first jig body, and each limiting groove is used for accommodating a shell.

In one embodiment, the base is provided with a limiting seat, the limiting seat is used for limiting and fixing the first jig body, and the first jig body is detachably connected with the limiting seat.

In one embodiment, the lifting assembly is arranged on the base and comprises a lifting driving piece and a lifting plate, the lifting driving piece is used for driving the lifting plate to perform lifting movement, one end, close to the shell positioning jig, of the lifting plate is provided with a bearing plate, and the winding core positioning jig is detachably mounted on the bearing plate.

In one embodiment, the winding core positioning jig comprises a second jig body and a plurality of first clamping pieces, wherein a plurality of limiting holes are formed in the second jig body, each limiting hole is used for accommodating one winding core, and each first clamping piece is used for clamping and fixing the winding core in each limiting hole.

In one embodiment, the bearing plate is provided with a plurality of guide holes, the guide holes are in one-to-one alignment communication with the limit holes, the depth of the limit groove is smaller than the height of the shell, and when the shell is put into operation, the opening end of the shell is inserted into the guide holes.

In one embodiment, the pushing assembly comprises a pushing driving piece, a pushing plate and a plurality of pressing pieces, the pushing driving piece is arranged on the lifting plate, the pushing plate is connected with the output end of the pushing driving piece, the pressing pieces are arranged on the pushing plate, the pressing pieces are in one-to-one correspondence with the limiting holes, and the pushing driving piece is used for driving the pressing pieces to push the winding cores into the shell.

In one embodiment, each pressing piece comprises a pressing rod, a pressing head and a spring, one end of the pressing rod is movably connected with the pushing plate, the other end of the pressing rod is in threaded connection with the pressing head, the spring is sleeved on the pressing rod, and two ends of the spring are respectively propped against the pushing plate and the pressing head.

In one embodiment, the bottom of the limit groove is provided with an ejection through hole.

In one embodiment, the housing positioning jig further includes a plurality of second clamping members, each of the second clamping members corresponds to one of the limiting grooves, and the second clamping members are used for clamping and fixing the housing in the limiting groove.

Compared with the prior art, the utility model has at least the following advantages:

the utility model mainly provides a winding core shell-entering device which comprises a lifting component, a shell positioning jig, a winding core positioning jig and a pushing component, wherein the lifting component is used for driving the winding core positioning jig to be aligned with the shell positioning jig, and the pushing component is used for pushing a winding core in the winding core positioning jig into a shell in the shell positioning jig.

Drawings

FIG. 1 is a schematic view of a core-in-shell apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a core-in-shell apparatus according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a housing positioning jig according to an embodiment of the utility model.

The reference numerals in the figures are: 10. the winding core is put into the shell device; 100. a lifting assembly; 110. a lifting driving member; 120. a lifting plate; 121. a carrying plate; 200. a shell positioning jig; 210. a first jig body; 211. a limit groove; 2111. ejecting the through hole; 212. a first positioning hole; 220. a second clamping member; 300. a coil core positioning jig; 310. a second jig body; 311. a limiting hole; 320. a first clamping member; 400. a push-in assembly; 410. pushing in the driving piece; 420. a push plate; 430. a pressing member; 431. a compression bar; 432. a pressure head; 433. a spring; 500. a base; 510. and a limiting seat.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 and 2, a core-in-shell apparatus (10) includes: lifting unit (100), casing location tool (200), roll up core location tool (300) and push in subassembly (400), roll up core location tool (300), casing location tool (200) are from last to setting gradually down, roll up core location tool (300) and be used for spacing fixedly to a plurality of rolls of core, casing location tool (200) are used for spacing fixedly to a plurality of casings, roll up core and casing one-to-one, lifting unit (100) are used for driving roll core location tool (300) and are moved towards being close to casing location tool (200), push in subassembly (400) are used for pushing roll core one-to-one in corresponding casing.

It should be noted that, the full-automatic shell entering equipment in the existing mass production stage has the characteristics of high precision and high efficiency, but the price is high, and the occupied area is large, and the full-automatic shell entering equipment is not suitable for being used in the research and development stage and the trial production stage, so the inventor provides a novel shell entering device (10) for the roll cores, after the lifting assembly (100) is used for driving the roll core positioning jig (300) to align with the shell positioning jig (200), the roll cores in the roll core positioning jig (300) are pushed into the shell in the shell positioning jig (200) by the pushing assembly (400), the shell entering operation of the roll cores is completed, wherein the alignment precision of the shell and the roll cores before the shell entering operation is improved, the probability of failure of the roll cores entering the shell and the roll cores is reduced, and meanwhile, the battery performance is prevented from being influenced by uneven deformation of the stress of the roll cores due to the uniform and stable pushing force of the pushing assembly (400) is adopted, and the full-automatic shell entering equipment has the characteristics of simple structure and high alignment precision, and the production cost is remarkably improved.

Referring to fig. 1 and 2, further, the core-in-shell device (10) further includes a base (500), the shell positioning jig (200) is disposed on the base (500), the shell positioning jig (200) includes a first jig body (210), a plurality of limiting grooves (211) are formed in the first jig body (210), and each limiting groove (211) is used for accommodating a shell. In this way, the batch of shells can be limited and fixed in the limiting groove (211), wherein the opening end of the shells is upwards arranged.

Referring to fig. 1 and fig. 2, in one embodiment, a limiting seat (510) is disposed on a base (500), the limiting seat (510) limits and fixes a first fixture body (210), and the first fixture body (210) is detachably connected with the limiting seat (510).

It should be noted that after the winding core is put into the shell, a plurality of tools such as liquid injection and cap buckling are needed, so that the whole shell positioning jig (200) after being put into the shell can be directly transferred to the next station in a detachable connection mode, the production efficiency is improved, in one embodiment, a plurality of first positioning columns are arranged on the limiting seat (510), a plurality of first positioning holes (212) are formed in the first jig body (210), when the first jig body (210) is placed on the limiting seat (510), each first positioning column is inserted into the corresponding first positioning hole (212), limiting fixation of the limiting seat (510) to the first jig body (210) is completed, the first positioning columns are movably connected with the first positioning holes (212), and the shell positioning jig (200) can be rapidly installed and detached on the limiting seat (510).

Referring to fig. 1 and 2, in one embodiment, a lifting assembly (100) is disposed on a base (500), the lifting assembly (100) includes a lifting driving member (110) and a lifting plate (120), the lifting driving member (110) is used for driving the lifting plate (120) to perform lifting motion, one end of the lifting plate (120) close to a housing positioning jig (200) is provided with a bearing plate (121), and the winding core positioning jig (300) is detachably mounted on the bearing plate (121).

It should be noted that, the winding core positioning jig (300) is disposed above the housing positioning jig (200), the lifting driving member (110) may be a linear motor, and the linear motor is vertically disposed on the base (500), and when the lifting driving member (110) drives the lifting plate (120) to perform lifting movement, the winding core positioning jig (300) is driven to move in a direction approaching or separating from the housing positioning jig (200).

Referring to fig. 1 and fig. 2, in one embodiment, the core positioning jig (300) includes a second jig body (310) and a plurality of first clamping members (320), wherein a plurality of limiting holes (311) are formed in the second jig body (310), each limiting hole (311) is used for accommodating a core, and each first clamping member (320) is used for clamping and fixing the core in the limiting hole (311).

It should be noted that, the pole ear at the two ends of the winding core on the winding core positioning jig (300) is attached to the end face, wherein, the side wall of each limiting hole (311) is provided with a first position avoiding hole, the first clamping piece (320) comprises a first mounting block, a first spring (433) and a first clamping block, the first mounting block is arranged on the second jig body (310), one end of the first clamping block is elastically connected with the first mounting block through a first elastic piece, one end of the first clamping block is penetrated and arranged with the winding core clamped and fixed in the limiting hole (311), so that the winding core is clamped from the radial direction of the winding core, an operating space is vacated for the winding core in the vertical direction, and meanwhile, the first clamping piece (320) clamps the winding core through a first elastic shape and does not lock the winding core, so that the pushing component (400) can smoothly push the winding core out of the limiting hole (311).

Referring to fig. 1 and 3, in one embodiment, a plurality of guide holes are formed in the carrier plate (121), the plurality of guide holes are in one-to-one alignment with the plurality of limiting holes (311), the depth of the limiting groove (211) is smaller than the height of the housing, and when the housing is inserted, the opening end of the housing is inserted into the guide holes.

It should be noted that, when the end surface of the shell protruding from the first jig body (210) and the lifting driving piece (110) drives the bearing plate (121) to be attached to the first jig body (210), the opening end of each shell is inserted into the guiding hole, so that the limiting hole (311), the guiding hole and the shell are sequentially positioned and communicated, the alignment accuracy of the winding core and the shell is further improved, and the shell-entering yield is improved.

Referring to fig. 1 and 2, in one embodiment, the pushing assembly (400) includes a pushing driving member (410), a pushing plate (420) and a plurality of pressing members (430), the pushing driving member (410) is disposed on the lifting plate (120), the pushing plate (420) is connected to an output end of the pushing driving member (410), the plurality of pressing members (430) are disposed on the pushing plate (420), and the plurality of pressing members (430) are in one-to-one correspondence with the plurality of limiting holes (311), and the pushing driving member (410) is used for driving the pressing members (430) to push the winding core into the housing.

It should be noted that, the pushing driving member (410) may be a conventional cylinder, or may be used in combination with a pressure regulating valve, and the pushing assembly (400) according to the present utility model may be used to control the lifting movement of the plurality of pressing members (430) simultaneously by using one driving member, so that the pressing force of the plurality of pressing members (430) is kept uniform and stable, the shell-entering efficiency is improved, and the device structure is more compact and small.

Referring to fig. 1 and 2, in one embodiment, each pressing member (430) includes a pressing rod (431), a pressing head (432) and a spring (433), one end of the pressing rod (431) is movably connected with the pushing plate (420), the other end of the pressing rod (431) is in threaded connection with the pressing head (432), the spring (433) is sleeved on the pressing rod (431), and two ends of the spring (433) are respectively propped against the pushing plate (420) and the pressing head (432). Therefore, each pressure head (432) is connected with the push plate (420) in a buffering way, when the pressure heads (432) perform shell feeding operation on the winding cores, a certain buffering force can be provided between the pressure heads (432) and the winding cores, and the damage to the winding cores caused by overlarge stamping force of the pressure heads (432) is avoided.

Referring to fig. 3, in one embodiment, an ejection through hole (2111) is formed at the bottom of the limit groove (211).

After all the steps are completed, the housing needs to be taken out from the housing positioning jig (200), and in order to improve the efficiency, an ejector device is generally adopted, and the ejector device can penetrate through an ejector through hole (2111) to eject the housing, so that the production efficiency is improved.

Referring to fig. 3, in one embodiment, the housing positioning fixture (200) further includes a plurality of second clamping members (220), each second clamping member (220) corresponds to a limiting groove (211), and the second clamping members (220) are used for clamping and fixing the housing in the limiting grooves (211).

It should be noted that, the utility model is mainly used for preparing the button cell, therefore the limit groove (211) is a circular groove, the shell is also a cylindrical shell, therefore, the shell can possibly rotate in the limit groove (211), but along with the improvement of the technological requirement, the position consistency of the shell and the winding core is required to be kept so as to improve the stability of the quality of the final cell, and therefore, the shell is limited and fixed by adding the second clamping piece (220) so as not to rotate in the limit groove (211); in one embodiment, the side wall of each limit groove (211) is provided with a second position avoiding hole, the second clamping piece (220) comprises a second installation block, a second spring (433) and a second clamping block, the second installation block is arranged on the first jig body (210), one end of the second clamping block is elastically connected with the second installation block through the second elastic piece, and the two ends of the second clamping block penetrate through the second position avoiding hole to clamp and fix the shell in the limit groove (211).

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A core-in-shell device, comprising: lifting unit, casing location tool, roll up core location tool and push the subassembly, push the subassembly roll up core location tool, the casing location tool sets gradually from last extremely down, it is used for spacing fixedly to a plurality of rolls of core to roll up the core location tool, the casing location tool is used for spacing fixedly to a plurality of casings, roll up the core with casing one-to-one, lifting unit is used for the drive roll up core location tool towards being close to the casing location tool removes, push the subassembly be used for with roll up the core one-to-one in the casing.

2. The roll core shell entering device according to claim 1, further comprising a base, wherein the shell positioning jig is arranged on the base, the shell positioning jig comprises a first jig body, a plurality of limiting grooves are formed in the first jig body, and each limiting groove is used for accommodating a shell.

3. The winding core shell-entering device according to claim 2, wherein a limiting seat is arranged on the base, the limiting seat is used for limiting and fixing the first jig body, and the first jig body is detachably connected with the limiting seat.

4. The core-in-shell device according to claim 2, wherein the lifting assembly is disposed on the base, the lifting assembly comprises a lifting driving member and a lifting plate, the lifting driving member is used for driving the lifting plate to perform lifting movement, a bearing plate is disposed at one end of the lifting plate, which is close to the shell positioning jig, and the core positioning jig is detachably mounted on the bearing plate.

5. The core-in-shell device according to claim 4, wherein the core positioning jig comprises a second jig body and a plurality of first clamping pieces, wherein the second jig body is provided with a plurality of limiting holes, each limiting hole is used for accommodating one core, and each first clamping piece is used for clamping and fixing the core in the limiting hole.

6. The roll core shell entering device according to claim 5, wherein a plurality of guide holes are formed in the bearing plate, the guide holes are in one-to-one alignment with the limit holes, the depth of the limit groove is smaller than the height of the shell, and when the shell entering operation is performed, the opening end of the shell is inserted into the guide holes.

7. The core-in-shell device according to claim 5, wherein the push-in assembly comprises a push-in driving member, a push plate and a plurality of pressing members, the push-in driving member is arranged on the lifting plate, the push plate is connected with the output end of the push-in driving member, the plurality of pressing members are arranged on the push plate, the plurality of pressing members are in one-to-one correspondence with the plurality of limiting holes, and the push-in driving member is used for driving the pressing members to push the core into the shell.

8. The core-in-shell device according to claim 7, wherein each pressing piece comprises a pressing rod, a pressing head and a spring, one end of the pressing rod is movably connected with the pushing plate, the other end of the pressing rod is in threaded connection with the pressing head, the spring is sleeved on the pressing rod, and two ends of the spring are respectively propped against the pushing plate and the pressing head.

9. The core-in-shell device according to claim 2, wherein the bottom of the limit groove is provided with an ejection through hole.

10. The core-in-shell device according to claim 2, wherein the shell positioning jig further comprises a plurality of second clamping members, each of the second clamping members corresponds to one of the limiting grooves, and the second clamping members are used for clamping and fixing the shell in the limiting groove.