Ultrasonic winding needle

Abstract

The utility model discloses an ultrasonic winding needle, and relates to the field of battery winding. A large needle; the shaft sleeve is of a hollow cylindrical structure; a transducer; the assembly part is detachably mounted at the rear end of the shaft sleeve and used for assembling the shaft sleeve and the needle body; wherein the transducer is assembled at one end in the shaft sleeve, and the small needle and the large needle vertically correspond to each other to form a circular structure which is inserted into the front end of the shaft sleeve and is connected and contacted with the transducer. According to the utility model, the energy converter and the needle body are arranged, ultrasonic waves generated by the energy converter are utilized to enable the needle body to generate high-frequency vibration, the anti-adhesion effect is realized, the traditional release agent spraying is replaced, the cost is reduced, shutdown operation is not needed, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the battery winding field, especially a kind of ultrasonic winding needle. BACKGROUND

[0002] With the vigorous support of the state to new energy industry, new energy industry has become the main trend of future development, the demand of energy storage battery is increasing, and the improvement of production efficiency is the primary goal of each enterprise production, and the efficiency can be improved from the process method and equipment structure two aspects.

[0003] In the cylindrical battery winding process field, the winding needle of winding machine plays an irreplaceable role, and the winding needle is wound together with three raw materials of negative electrode, diaphragm, positive electrode and diaphragm. Due to the particularity of this process, the three raw materials will be wound together, which will cause the phenomenon of core extraction, resulting in the scrap of battery core. Different battery models have different requirements for the size of winding needle.

[0004] At present, the surface treatment of winding needle in the industry is divided into three processes, the first winding needle surface is treated with a layer of iron fluorine dragon, which plays a lubricating role, the second is asymmetric cutting, forming a large needle shape, and the third is nano coating treatment on the surface of winding needle. The above winding needle processing technology and surface plating process are all for the final lubricating effect, but the above processing technology is not very ideal for the lubricating effect of winding needle during work, and the plating layer on the winding needle needs to be replaced after falling off, and the winding needle cannot be plated again, resulting in increased cost.

[0005] In order to produce production capacity, it needs to spray release agent on the winding needle every hour, which is expensive and has a short maintenance time. Not only does it increase the cost, but it also needs manual operation, which leads to frequent downtime of the equipment and reduces the work efficiency. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an ultrasonic winding needle to solve the problems in the above background technology.

[0007] The utility model provides the following technical scheme: an ultrasonic winding needle, comprising:

[0008] Small needle;

[0009] Large needle;

[0010] Shaft sleeve, which is a hollow cylindrical structure;

[0011] Transducer;

[0012] Assembly part, which is detachably installed at the rear end of the shaft sleeve for assembling the shaft sleeve and the needle body;

[0013] The transducer is arranged at the inner end of the shaft sleeve, and the small needle and the large needle are arranged at the front end of the shaft sleeve in a circular structure and are connected with the transducer.

[0014] Preferably, the shaft sleeve comprises an inner shaft sleeve and an outer shaft sleeve, the transducer is arranged at the inner end of the inner shaft sleeve, and the small needle and the large needle are arranged at the front end of the inner shaft sleeve, and the outer shaft sleeve is arranged outside the inner shaft sleeve and completely covers the inner shaft sleeve.

[0015] Preferably, the assembling part comprises a first gasket, a first limiting sleeve, a second gasket and a second limiting sleeve, the rear end of the outer shaft sleeve is threadedly connected with the first gasket, the second limiting sleeve is arranged on the first gasket, the rear end of the outer shaft sleeve is threadedly connected with the second gasket, and the second limiting sleeve is arranged on the second gasket.

[0016] Preferably, the inner shaft sleeve is provided with a micro hole, and the rear end of the transducer is connected with a wire, and the wire passes through the micro hole and is connected with a power supply.

[0017] Compared with the prior art, the transducer and the needle body are arranged, the ultrasonic waves generated by the transducer make the needle body vibrate at a high frequency, the effect of preventing adhesion is realized, the traditional mold release agent is replaced, the cost is reduced, and the work efficiency is greatly improved.

[0018] The transducer and the needle body are arranged, the ultrasonic waves generated by the transducer make the needle body vibrate at a high frequency, the effect of preventing adhesion is realized, the traditional mold release agent is replaced, the cost is reduced, and the work efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a schematic view of the three-dimensional structure of the utility model.

[0020] Fig. 2 It is a schematic view of the cross-sectional structure of the utility model.

[0021] The drawings are as follows: 1, small needle; 2, large needle; 3, shaft sleeve; 31, inner shaft sleeve; 32, outer shaft sleeve; 4, assembling part; 41, first gasket; 42, first limiting sleeve; 43, second gasket; 44, second limiting sleeve; 5, transducer; 6, wire. DETAILED DESCRIPTION

[0022] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model is more clearly and definitely defined.

[0023] The utility model provides a kind of ultrasonic needle winding, as shown in figure Figs. 1-2 It comprises:

[0024] Small needle 1;

[0025] Large needle 2;

[0026] a sleeve 3, which is a hollow cylindrical structure;

[0027] a transducer 5;

[0028] an assembling part 4, which is detachably mounted at the rear end of the sleeve 3 for assembling the sleeve 3 and the needle body;

[0029] The transducer 5 is assembled at the inner end of the sleeve 3, and the small needle 1 and the large needle 2 are correspondingly arranged in a circular structure and are inserted into the front end of the sleeve 3 and connected with the transducer 5.

[0030] The ultrasonic wave generated by the transducer 5 makes the needle body vibrate at a high frequency, thereby achieving the anti-adhesion effect and replacing the traditional mold release agent.

[0031] In the embodiment, the sleeve 3 comprises an inner sleeve 31 and an outer sleeve 32, the transducer 5 is arranged at the inner end of the inner sleeve 31, the small needle 1 and the large needle 2 are assembled at the front end of the inner sleeve 31, the outer sleeve 32 is arranged outside the inner sleeve 31 and completely covers the inner sleeve 31, the inner sleeve 31 is used for fixing the needle body and the transducer, and the outer sleeve 32 is used for ensuring the inner sleeve 31 and the needle body and the transducer in the inner sleeve 31.

[0032] In the embodiment, the assembling part 4 comprises a first gasket 41, a first limiting sleeve 42, a second gasket 43 and a second limiting sleeve 44, the rear end of the outer sleeve 32 is threadedly connected with the first gasket 41, the second limiting sleeve 44 is arranged on the first gasket 41, the rear end of the outer sleeve 32 is threadedly connected with the second gasket 43, and the second limiting sleeve 44 is arranged on the second gasket 43, and the device is assembled on the production equipment through the two gaskets and the two limiting sleeves.

[0033] In the embodiment, the inner sleeve 31 is provided with a micro-hole, the rear end of the transducer 5 is connected with a wire 6, and the wire 6 is connected with a power supply through the micro-hole.

[0034] The working principle of the utility model is as follows: when the needle winding work is completed, the small needle 1 is first retracted, then the large needle 2 is reamed, the large needle 2 is retracted after the reaming is completed, and the transducer 5 works to generate ultrasonic waves and conduct the ultrasonic waves to the large needle, so that the large needle 2 vibrates at a high frequency and realizes the anti-adhesion effect.

[0035] It should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0036] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments, but any equivalent modifications or changes made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. An ultrasonic coiling needle, characterized in that, include: Small needle (1); Large needle (2); The bushing (3) is a hollow cylindrical structure; Transducer (5); The assembly (4) is detachably installed at the rear end of the bushing (3) for assembling the bushing (3) and the needle body; The transducer (5) is installed inside one end of the bushing (3), and the small needle (1) and the large needle (2) form a circular structure corresponding to each other and are inserted into the front end of the bushing (3) and connected to the transducer (5).

2. The ultrasonic coiling needle according to claim 1, characterized in that: The bushing (3) includes an inner bushing (31) and an outer bushing (32). The transducer (5) is placed inside one end of the inner bushing (31). The small needle (1) and the large needle (2) are assembled at the front end of the inner bushing (31). The outer bushing (32) is placed outside the inner bushing (31) and completely covers the inner bushing (31).

3. The ultrasonic coiling needle according to claim 1, characterized in that: The assembly (4) includes a first washer (41), a first limiting sleeve (42), a second washer (43), and a second limiting sleeve (44). The rear end of the outer bushing (32) is threaded to the first washer (41), and the second limiting sleeve (44) is placed on the first washer (41). The outer bushing (32) is threaded to the rear end of the first washer (41), and the second limiting sleeve (44) is placed on the second washer (43).

4. An ultrasonic coiling needle according to claim 2, characterized in that: The inner bushing (31) has micro-holes, and the rear end of the transducer (5) is connected to a wire (6), which passes through the micro-holes and is connected to a power source.

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