CN215988909U

CN215988909U - Lithium battery roll core reaming device

Info

Publication number: CN215988909U
Application number: CN202122441584.4U
Authority: CN
Inventors: 渠慎程
Original assignee: Jiangsu Quanli Intelligent Technology Co ltd
Current assignee: Jiangsu Quanli Intelligent Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-08
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a reaming device for a lithium battery winding core, which comprises a connecting bottom plate, wherein the top surface of the connecting bottom plate is connected with an outer sleeve in a sliding manner, one side of the outer sleeve is fixedly connected with a reaming mechanism, the reaming mechanism comprises a heating ring, a reaming needle and an elastic sleeve which are fixedly connected to one side of the heating ring, an air hole which is formed in the outer side of the reaming needle and a micro air pump which is fixedly arranged on the top surface of the connecting bottom plate, the elastic sleeve is positioned on the outer side of the reaming needle, and the air outlet of the micro air pump is communicated with the inner cavity of the heating ring; in the above-mentioned scheme, utilize reamer mechanism's effect, can carry out reaming operation through reamer mechanism in actual use, to the inboard gas of the sufficient of dashing into of reamer needle, gas makes the elastic sleeve inflation through the bleeder vent, and the expanded elastic sleeve carries out reaming operation, compares in the tradition directly carry out reaming operation through the steel needle and says, carries out the protection battery that reaming can be better through the inflation of elastic sleeve.

Description

Lithium battery roll core reaming device

Technical Field

The utility model relates to the technical field of battery production and manufacturing, in particular to a reaming device for a lithium battery roll 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. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Along with the development of science and technology, the lithium battery has become the mainstream now, in the production and processing technology of lithium battery, needs to carry out reaming operation to the central point of lithium battery roll core for the overall structure of lithium battery roll core is compacter. Generally, the reaming operation of the lithium battery roll core is to perform reaming on the central position of the battery roll core by using steel before negative electrode welding processing is performed on the lithium battery roll core manually, so that a diaphragm in the lithium battery roll core contracts, and a central hole structure of the lithium battery roll core is obtained.

However, lithium cell rolls up the core and because there is not the measure of protection when steadily pressing from both sides, causes the problem of a lot of book core damages, and the metal rod that adopts the heating usually injects the centre bore of rolling up the core at this step of roll core reaming, and traditional mechanical use's heating technology has brought certain damage to the battery during the reaming to lead to the production of defective products, make the processingquality of lithium cell not high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows: the utility model provides a lithium cell rolls up core reaming device, includes the connection bottom plate, the top surface sliding connection of connection bottom plate has the outer sleeve, one side fixedly connected with reaming mechanism of outer sleeve, reaming mechanism includes the reaming needle and the elastic sleeve of heating ring one side, fixed connection in the reaming needle outside, sets up bleeder vent and the miniature air pump of fixed mounting in connection bottom plate top surface, the elastic sleeve is located the outside of reaming needle, the gas outlet of miniature air pump communicates with the inner chamber of heating ring each other.

The present invention in a preferred example may be further configured to: the inner cavity of the heating ring is fixedly provided with a heating ring block, the air outlet of the miniature air pump is fixedly connected with a soft rubber pipe, and the other side of the soft rubber pipe is fixedly connected with one side of the heating ring.

Through adopting above-mentioned technical scheme, utilize heating ring inner chamber fixed mounting's heating ring piece, the gas that fills in at miniature air pump gas outlet can become high-temperature gas after heating ring piece, and high-temperature gas volume is gaseous in normal atmospheric temperature relatively, and the volume is bigger, can accelerate the inflation speed of elastic sleeve, indirectly improves work efficiency, and simultaneously, high-temperature gas can make the temperature of elastic sleeve surface rise, makes it reach good design effect.

The present invention in a preferred example may be further configured to: the top surface fixed mounting who connects the bottom plate has driving motor, driving motor's the fixed spiral pole that has cup jointed of output, the outside of spiral pole is rotated and is connected with the outer sleeve, the top surface fixedly connected with guiding axle of connecting the bottom plate, the outside of outer sleeve and the outside sliding connection of guiding axle.

Through adopting above-mentioned technical scheme, through the cooperation of hob and outer sleeve, can guarantee that the outer sleeve keeps the ascending steady movement of horizontal direction, further drives the steady movement of reaming mechanism on the horizontal direction, and the removal of outer sleeve is stable and easily operation.

The present invention in a preferred example may be further configured to: the top surface of the connecting bottom plate is fixedly provided with a positioning seat, the inner side of the positioning seat is provided with a positioning hole, and the outer side of the positioning hole is of a smooth cambered surface structure.

Through adopting above-mentioned technical scheme, utilize the setting of positioning seat, can play certain supporting role to the removal of reaming mechanism through the positioning seat in-process that the reaming mechanism removed, prevent that the reaming mechanism from trembling and influencing the reaming effect, simultaneously, the inboard locating hole of positioning seat can guarantee that reaming mechanism just can carry out reaming operation when being in the correct position, prevents that reaming mechanism from producing the skew.

The present invention in a preferred example may be further configured to: the top surface of connecting the bottom plate installs fixed establishment, fixed establishment includes the movable plate, the movable plate distributes relatively, the outside of movable plate and the inboard sliding connection who connects the bottom plate, the inboard demountable installation of movable plate has the grip slipper.

Through adopting above-mentioned technical scheme, utilize fixed establishment's setting, carry out the central point that the lithium cell can be effectually fixed in the movable plate to the removal of subtend through two movable plates and put, make it just right with reaming mechanism, simultaneously, the setting of grip slipper can guarantee to face all can select suitable grip slipper to carry out stable centre gripping in the lithium cell of different shapes.

The present invention in a preferred example may be further configured to: the inner side of the moving plate is rotatably connected with an adjusting screw rod, two spirals are arranged on the outer side of the adjusting screw rod, and the pitches between the two spirals are consistent and the turning directions are opposite.

Through adopting above-mentioned technical scheme, adjusting screw's outside is equipped with two spirals and two pitch unanimity and revolve to opposite design between the spiral makes adjusting screw can drive the movable plate and remove with subtend and with fast motion when producing the rotation, guarantees that the lithium cell is located the central point of movable plate constantly and puts.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, by utilizing the function of the reaming mechanism, the reaming operation can be carried out through the reaming mechanism in the actual use process, sufficient gas is injected into the inner side of the reaming needle, the gas enables the elastic sleeve to expand through the air holes, and the reaming operation is carried out through the expanded elastic sleeve.

2. In the utility model, by utilizing the mutual matching of the heating ring and the micro air pump, the gas filled into the inner cavity of the reaming needle by the micro air pump can be heated by the heating ring, the heated gas enters the inner cavity of the reaming needle to improve the temperature of the outer side of the elastic sleeve, and the elastic sleeve can play a certain shaping role after the temperature is increased to prevent the diaphragm from shrinking.

Drawings

FIG. 1 is an overall schematic view of one embodiment of the present invention;

fig. 2 is a schematic view of a reamer mechanism according to one embodiment of the utility model;

fig. 3 is a schematic view of a securing mechanism according to an embodiment of the present invention.

Reference numerals:

100. connecting the bottom plate; 110. a drive motor; 120. a screw rod; 130. an outer sleeve; 140. positioning seats;

200. a hole expanding mechanism; 210. a hole expanding needle; 211. air holes are formed; 220. a heating ring; 230. a micro air pump; 240. an elastic sleeve;

300. a fixing mechanism; 310. adjusting the screw rod; 320. moving the plate; 330. a clamping seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The following describes a lithium battery winding core reaming device provided by some embodiments of the present invention with reference to the accompanying drawings, which includes a connection base plate 100, an outer sleeve 130 slidably connected to a top surface of the connection base plate 100, a reaming mechanism 200 fixedly connected to one side of the outer sleeve 130, the reaming mechanism 200 including a heating ring 220, a reaming needle 210 and an elastic sleeve 240 fixedly connected to one side of the heating ring 220, an air vent 211 opened on an outer side of the reaming needle 210, and a micro air pump 230 fixedly mounted on a top surface of the connection base plate 100, the elastic sleeve 240 being located on an outer side of the reaming needle 210, an air outlet of the micro air pump 230 being communicated with an inner cavity of the heating ring 220.

As shown in fig. 1-2, a heating ring block is fixedly mounted in an inner cavity of the heating ring 220, a soft rubber tube is fixedly connected to an air outlet of the micro air pump 230, the other side of the soft rubber tube is fixedly connected to one side of the heating ring 220, a driving motor 110 is fixedly mounted on a top surface of the connection base plate 100, an output end of the driving motor 110 is fixedly sleeved with a screw rod 120, an outer sleeve 130 is rotatably connected to an outer side of the screw rod 120, a guide shaft is fixedly connected to a top surface of the connection base plate 100, and an outer side of the outer sleeve 130 is slidably connected to an outer side of the guide shaft.

Specifically, the heating ring block fixedly installed in the inner cavity of the heating ring 220 is utilized, the gas filled in the gas outlet of the micro gas pump 230 can be changed into high-temperature gas after passing through the heating ring block, the volume of the high-temperature gas is larger than that of normal-temperature gas, the expansion speed of the elastic sleeve 240 can be increased, the work efficiency is indirectly improved, and meanwhile, the high-temperature gas can enable the temperature of the outer surface of the elastic sleeve 240 to rise, so that a good shaping effect is achieved.

Specifically, by matching the screw rod 120 and the outer sleeve 130, the outer sleeve 130 can be ensured to keep moving stably in the horizontal direction, and further, the reamer mechanism 200 is driven to move stably, and the outer sleeve 130 is stable in movement and easy to operate.

As shown in fig. 1, further, a positioning seat 140 is fixedly mounted on the top surface of the connecting bottom plate 100, a positioning hole is formed on the inner side of the positioning seat 140, and the outer side of the positioning hole is of a smooth arc structure.

Specifically, by means of the arrangement of the positioning seat 140, the positioning seat 140 can play a certain supporting role in the movement of the hole expanding mechanism 200 in the moving process of the hole expanding mechanism 200, so that the hole expanding effect is prevented from being influenced by the shaking of the hole expanding mechanism 200, meanwhile, the hole expanding operation can be performed only when the hole expanding mechanism 200 is located at the correct position through the positioning hole on the inner side of the positioning seat 140, and the deviation of the hole expanding mechanism 200 is prevented.

As shown in fig. 3, further, a fixing mechanism 300 is installed on the top surface of the connecting bottom plate 100, the fixing mechanism 300 includes a moving plate 320, the moving plate 320 is distributed oppositely, the outer side of the moving plate 320 is slidably connected with the inner side of the connecting bottom plate 100, a holder 330 is detachably installed on the inner side of the moving plate 320, the inner side of the moving plate 320 is rotatably connected with an adjusting screw 310, two spirals are arranged on the outer side of the adjusting screw 310, and the two spirals have the same pitch and opposite directions.

Specifically, by using the fixing mechanism 300, the lithium battery can be effectively fixed at the center of the moving plate 320 by the two moving plates 320 moving oppositely, so that the lithium battery is opposite to the hole expanding mechanism 200, and meanwhile, the arrangement of the clamping seat 330 can ensure that the suitable clamping seat 330 can be selected to stably clamp lithium batteries of different shapes facing each other.

Specifically, the two spirals are arranged on the outer side of the adjusting screw 310, and the two spirals have the same pitch and opposite directions, so that the adjusting screw 310 can drive the moving plate 320 to move in opposite directions and at the same speed when rotating, thereby ensuring that the lithium battery is located at the center of the moving plate 320 at any time.

The working principle and the using process of the utility model are as follows:

the driving motor 110 rotates to drive the screw rod 120 to rotate, the screw rod 120 rotates to drive the outer sleeve 130 to move in the horizontal direction, the outer sleeve 130 drives the heating ring 220 to move, the micro air pump 230 inflates air into the inner cavity of the heating ring 220, the air flow passes through the inner cavity of the heating ring 220 and then is heated and then enters the inner cavity of the reaming needle 210, the air in the inner cavity of the reaming needle 210 enters the inner side of the elastic sleeve 240 through the air holes 211 so that the elastic sleeve 240 expands, and the elastic sleeve 240 enters the inner side of the lithium battery to perform reaming operation.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a lithium cell rolls up core reaming device, is including connecting bottom plate (100), its characterized in that, the top surface sliding connection who connects bottom plate (100) has outer sleeve (130), one side fixedly connected with reaming mechanism (200) of outer sleeve (130), reaming mechanism (200) include heating ring (220), fixed connection in reaming needle (210) and elastic sleeve (240) of heating ring (220) one side, set up in bleeder vent (211) and the miniature air pump (230) of fixed mounting in connecting bottom plate (100) top surface in the reaming needle (210) outside, elastic sleeve (240) are located the outside of reaming needle (210), the gas outlet of miniature air pump (230) communicates with each other with the inner chamber of heating ring (220).

2. The lithium battery roll core reaming device according to claim 1, characterized in that a heating ring block is fixedly installed in an inner cavity of the heating ring (220), a soft rubber tube is fixedly connected to an air outlet of the micro air pump (230), and the other side of the soft rubber tube is fixedly connected to one side of the heating ring (220).

3. The lithium battery winding core hole expanding device as claimed in claim 1, wherein a driving motor (110) is fixedly mounted on the top surface of the connecting bottom plate (100), a screw rod (120) is fixedly connected to an output end of the driving motor (110), an outer sleeve (130) is rotatably connected to the outer side of the screw rod (120), a guide shaft is fixedly connected to the top surface of the connecting bottom plate (100), and the outer side of the outer sleeve (130) is slidably connected to the outer side of the guide shaft.

4. The lithium battery roll core hole expanding device according to claim 1, wherein a positioning seat (140) is fixedly installed on the top surface of the connecting base plate (100), a positioning hole is formed in the inner side of the positioning seat (140), and the outer side of the positioning hole is of a smooth arc surface structure.

5. The lithium battery winding core hole expanding device according to claim 1, wherein a fixing mechanism (300) is installed on the top surface of the connecting bottom plate (100), the fixing mechanism (300) comprises a moving plate (320), the moving plate (320) is distributed oppositely, the outer side of the moving plate (320) is in sliding connection with the inner side of the connecting bottom plate (100), and a clamping seat (330) is detachably installed on the inner side of the moving plate (320).

6. The lithium battery roll core hole expanding device according to claim 5, wherein an adjusting screw (310) is rotatably connected to the inner side of the moving plate (320), two spirals are arranged on the outer side of the adjusting screw (310), and the two spirals have the same pitch and opposite directions.