Adjustable battery winding needle

Abstract

The utility model provides an adjustable battery winding needle. The adjustable battery winding needle comprises a first needle plate, the second needle plate is arranged opposite to the first needle plate; the adjusting assembly is arranged between the first needle plate and the second needle plate and used for adjusting the distance between the first needle plate and the second needle plate. Compared with the prior art, the adjustable battery winding needle provided by the utility model has the advantages that the width of the winding needle can be adjusted by adjusting the adjusting component when the adjustable battery winding needle is used, the adjustable battery winding needle can adapt to the models of different winding battery cell structures, the production is convenient, the cost for opening a fixed winding needle or the cost for assembling a winding needle sheet is saved, the remodeling time is saved, and the management is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery manufacturing equipment technical field, especially a kind of adjustable battery winding needle. BACKGROUND

[0002] Lithium ion battery is widely used in 3C, electric vehicle, energy storage and other fields due to its high energy density, high output power, wide operating temperature range, fast charge and discharge speed and no memory effect.

[0003] At present, the cell manufacturing process of power lithium battery mainly has winding and laminating, and winding process is mainly used for the production of cylindrical and square batteries. Since winding process can realize efficient production of cell through rotating speed and has lower cost, and laminating technology has lower efficiency, currently, winding process is mainly used to prepare winding core in domestic power lithium battery.

[0004] However, different sizes of winding needle are needed for different models of winding cell, and separate development or replacement of winding needle is needed for different winding needles, which further increases the research and development cost and production cost. Therefore, there is a lack of a size-adjustable winding needle in the prior art. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of adjustable battery winding needle, to solve the technical problems that the winding needle is replaced for different cell models, leading to the increase of winding needle cost and management difficulty, long replacement time and low efficiency.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A kind of adjustable battery winding needle, comprising: a first needle plate;Second needle plate, oppositely arranged with the first needle plate;Adjusting assembly, arranged between the first needle plate and the second needle plate, for adjusting the spacing between the first needle plate and the second needle plate.

[0008] Preferably, the adjusting assembly comprises folding connecting piece and jacking screw, one end of the folding connecting piece is connected with the first needle plate, the other end of the folding connecting piece is connected with the second needle plate, the jacking screw is installed on the first needle plate, one end of the jacking screw is in abutment with the folding connecting piece, for adjusting the lifting height of folding connecting piece.

[0009] Preferably, the folding connecting piece comprises at least two hinged rods, the hinged rods are cross arranged and connected movably through the center of the hinged rods.

[0010] Preferably, the folding connecting piece is in "X" type structure.

[0011] Preferably, the first needle plate is provided with a sliding groove, the adjusting assembly is slidable along the sliding groove, and the sliding groove is internally provided with at least two positioning holes for fixing the adjusting assembly.

[0012] Preferably, the adjusting assembly comprises a spring and a jacking screw, the jacking screw is mounted on the first needle plate, one end of the spring is connected with the second needle plate, and the other end of the spring abuts against the jacking screw.

[0013] Preferably, the adjusting assembly comprises a telescopic rod and a driving device, the driving device is mounted on the first needle plate, one end of the telescopic rod is connected with the second needle plate, and the other end of the telescopic rod is connected with an output end of the driving device.

[0014] Preferably, the driving device is a pneumatic cylinder, and the pneumatic cylinder is a single-acting pneumatic cylinder or a double-acting pneumatic cylinder.

[0015] The battery winding needle provided by the utility model has the advantages that the first needle plate, the second needle plate and the adjusting assembly are provided, the adjusting assembly is arranged between the first needle plate and the second needle plate, and the distance between the first needle plate and the second needle plate is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a battery winding needle structure diagram.

[0017] In the drawing, 1 is a needle plate assembly, 11 is a first needle plate, 12 is a second needle plate, 13 is a sliding groove, 14 is a positioning hole, 2 is an adjusting assembly, 21 is a jacking screw, and 22 is a folding connecting piece. DETAILED DESCRIPTION

[0018] In order to make the technical scheme and advantages of the utility model clearer, the utility model and its beneficial effects will be further described in detail in combination with specific implementation manners and the drawings of the specification, but the implementation manners of the utility model are not limited to this.

[0019] In the description of the utility model, unless another definite provision and limitation, the term "mount", "link", "connect", "fix" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two element's mutual action relation. For ordinary skilled in the art, the above-mentioned term can be understood in the utility model with concrete meaning of specific situation.

[0020] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0021] The utility model provides a kind of adjustable battery needle, including needle plate assembly 1 and adjusting assembly 2, the needle plate assembly 1 includes first needle plate 11 and second needle plate 12, adjusting assembly 2 is set between first needle plate 11 and second needle plate 12, for adjusting the interval between first needle plate 11 and second needle plate 12, adjusting assembly 2 includes folding connecting piece 22 and jacking screw 21, one end of folding connecting piece 22 is connected with first needle plate 11, the other end of folding connecting piece 22 is connected with second needle plate 12, jacking screw 21 is installed in first needle plate 11, one end of jacking screw 21 is abutted with folding connecting piece 22, for adjusting the lifting height of folding connecting piece.

[0022] When using, jacking screw 21 is twisted to push folding connecting piece 22 to move, so that jacking screw 21 pushes folding connecting piece 22 to lift to adjust the width of needle.

[0023] In an embodiment according to the application, the first needle plate 11 is further provided with a sliding groove 13 and a positioning hole 14, and the hinge rod in the folding connecting piece 22 can cross slide in the sliding groove 13. The hinge rod is clamped with the positioning hole to fix and adjust the width of the first needle plate 11 and the second needle plate 12.

[0024] In an embodiment according to the application, the adjusting assembly 2 includes a spring and a jacking screw 21. The jacking screw 21 is installed in the first needle plate 11. One end of the spring is connected with the second needle plate 12, and the other end of the spring is abutted with the jacking screw 21. The jacking screw 21 is twisted to adjust the compression amount of the spring, so that the jacking screw 21 adjusts the spring to adjust the width of the needle.

[0025] In an embodiment according to the application, the adjusting assembly 2 comprises a telescopic rod and a driving device, the driving device is installed on the first needle plate 11, one end of the telescopic rod is connected with the second needle plate 12, and the other end of the telescopic rod is connected with the output end of the driving device; the driving device is a single-acting cylinder or a double-acting cylinder; the driving device is connected with a gas pressure control adjusting valve. The cylinder blows air through the gas pressure control adjusting valve to push the telescopic rod to extend or retract, so that the cylinder pushes the telescopic rod to change the width of the winding needle.

[0026] In the utility model, the size and width of the battery winding needle can be adjusted according to the size of the winding battery cell.

[0027] According to the disclosure and teaching of the above description, the person skilled in the art of the utility model can also change and modify the above embodiments. Therefore, the utility model is not limited to the above specific embodiments, and any obvious improvement, replacement or modification made by the person skilled in the art on the basis of the utility model belongs to the protection scope of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. An adjustable battery winder, comprising: The utility model relates to a needle plate adjusting device, including: a first needle plate; a second needle plate, which is arranged opposite to the first needle plate; an adjusting assembly, which is arranged between the first needle plate and the second needle plate and is used for adjusting the distance between the first needle plate and the second needle plate; the adjusting assembly comprises a folding connecting piece and a jacking screw, one end of the folding connecting piece is connected with the first needle plate, the other end of the folding connecting piece is connected with the second needle plate, the jacking screw is installed on the first needle plate, one end of the jacking screw is in abutment with the folding connecting piece and is used for adjusting the lifting height of the folding connecting piece.

2. The adjustable battery winder of claim 1, wherein: The folding connecting piece comprises at least two hinged rods, the hinged rods are arranged in cross and are connected movably through the centers of the hinged rods.

3. The adjustable battery winder of claim 2, wherein: The folding connecting piece has an "X" type structure.

4. The adjustable battery winder of claim 1, wherein: The first needle plate is provided with a sliding groove, the adjusting assembly can slide along the sliding groove, and at least two positioning holes for fixing the adjusting assembly are arranged in the sliding groove.

5. The adjustable battery winder of claim 1, wherein: The adjusting assembly comprises a spring and a jacking screw, the jacking screw is installed on the first needle plate, one end of the spring is connected with the second needle plate, and the other end of the spring is in abutment with the jacking screw.

6. The adjustable battery winder of claim 1, wherein: The adjusting assembly comprises a telescopic rod and a driving device, the driving device is installed on the first needle plate, one end of the telescopic rod is connected with the second needle plate, and the other end of the telescopic rod is connected with the output end of the driving device.

7. The adjustable battery winder of claim 6, wherein: The driving device is a pneumatic cylinder.

Images