CN219180575U

CN219180575U - Reaming mechanism for lithium battery winding core

Info

Publication number: CN219180575U
Application number: CN202223007322.8U
Authority: CN
Inventors: 黄涛; 缪杰
Original assignee: Hubei Xiongtao Lithium Power Co ltd
Current assignee: Hubei Xiongtao Lithium Power Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-06-13
Anticipated expiration: 2032-11-11

Abstract

The utility model provides a reaming mechanism for a lithium battery winding core, which belongs to the technical field of battery production and manufacturing, and comprises a base, wherein mutually symmetrical sliding plates are connected to the base in a sliding manner, one sliding plate is provided with a clamping device, the other sliding plate is provided with a heating device, a reaming needle is arranged on the heating device, and a translation device for driving the sliding plates to slide is arranged on the base; the lithium battery is placed on the sliding plate, the lithium battery is clamped through the clamping device, the lithium battery is prevented from shaking in the reaming process, the quality is problematic, the sliding plate is simultaneously driven to slide inwards through the translation device, reaming is conducted on materials, the reaming working efficiency is improved, and manual reaming is not needed.

Description

Reaming mechanism for lithium battery winding core

Technical Field

The utility model belongs to the technical field of battery production and manufacturing, and particularly relates to a reaming mechanism for a lithium battery winding core.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. Along with development of scientific technology, the lithium battery has become mainstream at present, and in the production processing technology of lithium battery, the reaming operation is needed to be carried out to the central point of the lithium battery core, makes the overall structure of the lithium battery core compacter. In general, reaming operation of a lithium battery winding core is performed manually before a negative electrode welding process is performed on the lithium battery winding core, and a steel needle is used for reaming the center position of the battery winding core, so that a diaphragm in the lithium battery winding core is contracted, and a center hole structure of the lithium battery winding core is obtained

However, the lithium battery winding core is not protected during stable clamping, so that the problem of damage to a plurality of winding cores is solved, and the conventional mechanical heating technology during reaming brings certain damage to the battery, so that defective products are produced; meanwhile, the manual reaming mode is low in production efficiency, and the reaming accuracy cannot be guaranteed, so that the machining quality of the lithium battery is low.

Disclosure of Invention

The utility model aims to provide a reaming mechanism for a lithium battery winding core, which aims to solve the problems that in the prior art, the traditional machinery uses heating and other technologies during reaming, certain damage is brought to a battery, and defective products are generated due to the battery; meanwhile, the manual reaming mode is low in production efficiency, and the reaming precision cannot be guaranteed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a reaming mechanism for a lithium battery winding core, comprising: the base, sliding connection has the slide of mutual symmetry on the base, one of them be provided with clamping device on the slide, another of them be provided with heating device on the slide, be provided with the reaming needle on the heating device, be provided with on the base and be used for driving the slide and carry out gliding translation device.

In order to enable the reaming mechanism of the lithium battery winding core to have the function of clamping materials, as one preferable mode of the reaming mechanism, the clamping device comprises a screw rod which is rotatably connected to a sliding plate, clamping plates which are mutually symmetrical are connected to the screw rod in a threaded mode, limiting columns used for limiting the clamping plates are arranged on the sliding plate, and a handle is fixedly connected to the screw rod.

In order to enable the reaming mechanism of the lithium battery winding core to have the effect of simultaneously driving the clamping plates to move inwards, the lead screw is a forward and reverse lead screw as a preferable lead screw.

In order to enable the reaming mechanism of the lithium battery winding core to have the function of heating the reaming needle, as one preferable mode of the utility model, the heating device comprises a heating box arranged on the sliding plate, and an electric heating wire is arranged in the reaming needle and connected with the heating box.

In order to enable the reaming mechanism of the lithium battery winding core to have the function of driving the sliding plate to simultaneously slide inwards, as one preferable mode of the utility model, the translation device comprises a driving device fixedly arranged at the lower end of the base, the output end of the driving device is fixedly connected with a gear, the gear is meshed with mutually symmetrical racks, and the racks are fixedly connected with the sliding plate.

In order to make the reaming mechanism of the lithium battery winding core have the function of driving the gear to rotate, the driving device is preferably a motor.

In order to enable the reaming mechanism of the lithium battery winding core to have the function of protecting materials, the clamping plate is preferably provided with a sponge cushion.

In order to enable the reaming mechanism of the lithium battery winding core to have the function of locating the sliding plate and more accurately reaming, the sliding plate is preferably provided with a locating column.

Compared with the prior art, the utility model has the beneficial effects that:

1. this reaming mechanism of core is rolled up to lithium cell puts the lithium cell on the slide, presss from both sides tightly it through clamping device, prevents that it from rocking at reaming in-process, appears rocking and leads to the quality to appear the problem, drives the slide simultaneously to inboard slip through translation device, is that the reaming is to the material reaming, has improved reaming work efficiency, does not need the manual work to ream.

2. This reaming mechanism of core is rolled up to lithium cell heats the heating wire through the heating cabinet, and the heating wire heats the reaming needle, makes the reaming needle syringe needle carry out reaming processing to the material easily, prevents to damage the battery, has increased the practicality of device, can protect the material not receive the damage through the foam-rubber cushion, can reash through the reference column more accurately.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional structure of an embodiment of the present utility model.

In the figure: 1. a base; 10. a slide plate; 11. a reaming needle; 12. a screw rod; 121. a clamping plate; 122. a limit column; 20. a heating box; 21. heating wires; 30. a driving device; 31. a gear; 32. a rack.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the present utility model provides the following technical solutions: a reaming mechanism for a lithium battery winding core, comprising: the base 1, sliding connection has slide 10 of mutual symmetry on the base 1, is provided with clamping device on one of them slide 10, is provided with heating device on another slide 10, is provided with reaming needle 11 on the heating device, is provided with the translation device that is used for driving slide 10 to slide on the base 1, is provided with the reference column on the slide 10.

In the specific embodiment of the utility model, the lithium battery is placed on the slide plate 10, and is clamped by the clamping device, so that the problem of quality caused by shaking in the reaming process is prevented, the slide plate 10 is simultaneously driven to slide inwards by the translation device, the reaming needle 11 is used for reaming the material, the reaming working efficiency is improved, the reaming is not needed manually, and the reaming can be performed more accurately by the positioning column.

Referring to fig. 2 and 3, further, the clamping device includes a screw rod 12 rotatably connected to the slide plate 10, clamping plates 121 are screwed on the screw rod 12, a limiting column 122 for limiting the clamping plates 121 is provided on the slide plate 10, a handle is fixedly connected to the screw rod 12, the screw rod 12 is driven to rotate by the handle, the clamping plates 121 are simultaneously driven to clamp inwards by the screw rod 12, the clamping plates 121 are limited by the limiting column 122, preferably, the screw rod 12 is a forward and reverse screw rod, and a foam-rubber cushion is provided on the clamping plates 121.

Referring to fig. 3, further, the heating device includes a heating box 20 disposed on the sliding plate 10, an electric heating wire 21 is disposed inside the reaming needle 11, the electric heating wire 21 is heated by the heating box 20, the reaming needle 11 is heated by the electric heating wire 21, and the electric heating wire 21 is connected with the heating box 20.

Referring to fig. 2 and 3, further, the translation device includes a driving device 30 fixedly installed at the lower end of the base 1, an output end of the driving device 30 is fixedly connected with a gear 31, the gear 31 is driven by the driving device 30 to rotate, the gear 31 is meshed with a rack 32 symmetrical to each other, the rack 32 is driven by the gear 31 to slide inwards, the rack 32 is fixedly connected with the slide plate 10, the slide plate 10 is driven by the rack 32 to slide, and preferably, the driving device 30 is a motor.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Reaming mechanism of core is rolled up to lithium cell, its characterized in that includes: base (1), sliding connection has slide (10) of mutual symmetry on base (1), one of them be provided with clamping device on slide (10), another of them be provided with heating device on slide (10), be provided with reaming needle (11) on the heating device, be provided with on base (1) and be used for driving slide (10) and carry out gliding translation device.

2. The reaming mechanism for a lithium battery winding core according to claim 1, wherein: the clamping device comprises a screw rod (12) rotationally connected to the sliding plate (10), clamping plates (121) which are symmetrical to each other are connected to the screw rod (12) in a threaded mode, limiting columns (122) used for limiting the clamping plates (121) are arranged on the sliding plate (10), and handles are fixedly connected to the screw rod (12).

3. The reaming mechanism for a lithium battery winding core according to claim 2, wherein: the screw rod (12) is a forward and reverse screw rod.

4. The reaming mechanism for a lithium battery winding core according to claim 1, wherein: the heating device comprises a heating box (20) arranged on the sliding plate (10), an electric heating wire (21) is arranged inside the reaming needle (11), and the electric heating wire (21) is connected with the heating box (20).

5. The reaming mechanism for a lithium battery winding core according to claim 1, wherein: the translation device comprises a driving device (30) fixedly arranged at the lower end of the base (1), a gear (31) is fixedly connected with the output end of the driving device (30), racks (32) which are symmetrical to each other are meshed with the gear (31), and the racks (32) are fixedly connected with the sliding plate (10).

6. The lithium battery winding core reaming mechanism according to claim 5, wherein: the driving device (30) is a motor.

7. The reaming mechanism for a lithium battery winding core according to claim 2, wherein: a foam cushion is arranged on the clamping plate (121).

8. The lithium battery winding core reaming mechanism according to any one of claims 1-7, wherein: and the sliding plate (10) is provided with a positioning column.