CN218101359U

CN218101359U - Needle device and coiling equipment are rolled up in reducing

Info

Publication number: CN218101359U
Application number: CN202221943341.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Lyric Robot Intelligent Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-12-20
Anticipated expiration: 2032-07-25

Abstract

The application provides a needle device and coiling equipment are rolled up to reducing, the needle device is rolled up to the reducing is including rolling up the needle, the push rod, casing and needle mouth, two are rolled up the needle and are being radially arranged relatively, two push rods are installed respectively on two rolls up the needle, the push rod includes first inclined plane, first inclined plane slope in the axial, two casings are installed respectively in two radial outsides of rolling up the needle, the casing surrounds roll needle and push rod, the casing includes the second inclined plane corresponding with first inclined plane, the needle mouth is located and rolls up the needle along axial one end, the needle mouth includes that base and detachably install the butt piece on the base, the base has been seted up and has been inserted the pinhole, the butt piece is used for promoting the push rod along axial displacement so that the casing radially removes. The casing surrounds and rolls up the needle to the contact surface of needle device and pole piece is rolled up in the increase reducing avoids producing the indentation when convoluteing, through replacing butt joint piece, can adjust the reducing scope that the needle device was rolled up to the reducing, thereby improves the application scope that the needle device was rolled up to the reducing.

Description

Needle device and coiling equipment are rolled up in reducing

Technical Field

The application relates to the field of winding needles, in particular to a variable-diameter winding needle device and winding equipment.

Background

The winding needle is used for winding pole pieces in a winding process to manufacture the battery cell, and the outer diameter of the winding needle also needs to be changed correspondingly according to different specifications of pole piece incoming materials and battery cell products.

The thickness of book needle is generally increased through the mode of pasting the thin slice at book needle surface in the tradition, but need shut down when pasting and lift off even and roll up the needle, can't accomplish online reducing to thickness control is accurate inadequately, pastes consuming time longer, and is great to the influence of electricity core production.

At present, the technical scheme that a movable telescopic structure is arranged on a winding needle and the diameter is changed by driving a telescopic block to extend or retract along the radial direction appears. However, during winding, the contact surface between the telescopic block and the pole piece is small, so that indentation is easily generated on the surface of the pole piece, and the quality of the battery cell is reduced. In addition, the existing coiling needle can only be subjected to reducing adjustment within a fixed range, and the adaptability is poor when the product is subjected to mold changing.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a needle device and coiling equipment are rolled up in reducing, and the needle device is rolled up in reducing can increase the contact surface with the pole piece, and the reducing scope of needle device is rolled up in reducing simultaneously can be adjusted.

According to the reducing book needle device that embodiment provided of this application provided, including rolling up needle, push rod, casing and needle mouth, two it is in radial mutual disposition to roll up the needle, two the push rod is installed respectively two roll up on the needle, the push rod includes first inclined plane, first inclined plane slope is in the axial, two the casing is installed respectively two roll up the needle edge radial outside, the casing surrounds roll up the needle with the push rod, the casing include with the corresponding second inclined plane in first inclined plane, the needle mouth is located roll up the needle edge axial one end, the needle mouth includes that base and detachably install butt piece on the base, the needle eye has been seted up to the base, butt piece is used for promoting the push rod is followed axial displacement so that the casing is followed radial movement.

According to the reducing needle rolling device provided by the embodiment of the application, the technical effects are at least as follows: the casing is used for contacting with the pole piece, roll up the needle and insert the needle insertion hole during coiling the pole piece, the butt piece promotes the casing along radial movement, through adjusting the degree of depth that the needle inserted the needle insertion hole, thereby change the casing and roll up the distance between the needle, realize the reducing effect, the casing surrounds the book needle, thereby the contact surface of needle device and pole piece is rolled up in the increase reducing, avoid producing the indentation when coiling, improve the quality of electric core product, through replacing different butt pieces, can adjust the reducing scope that the needle device was rolled up in the reducing, thereby improve the application scope that the needle device was rolled up in the reducing.

According to some embodiments of the application, first mounting groove has been seted up to the book needle, first mounting groove is located the book needle is close to the other one side of rolling up the needle, the push rod is installed in the first mounting groove, the butt joint piece is installed in the contact pin hole.

According to some embodiments of the application, a second mounting groove has been seted up to the book needle, the second mounting groove is located the book needle is kept away from another one side of rolling up the needle, the casing includes the ejector pad, the ejector pad is located in the second mounting groove, the second inclined plane is located on the ejector pad.

According to some embodiments of this application, the spread groove has been seted up to the book needle, the spread groove intercommunication first mounting groove with the second mounting groove, the push rod is including stretching into first bellying in the spread groove, first inclined plane is located the surface of first bellying, the ejector pad is including stretching into second bellying in the spread groove, the second inclined plane is located the surface of second bellying.

According to some embodiments of the application, install the spacer pin in the first mounting groove, the spacing groove has been seted up to the push rod, the spacing groove is followed roll up the axial extension of needle, the spacer pin is inserted and is established in the spacing groove.

According to some embodiments of the present application, a guide sleeve is installed in the first installation groove, and the push rod is inserted in the guide sleeve.

According to some embodiments of the application, the housing includes a housing surrounding the winding pin, and the push block is mounted on an inner side of the housing in the radial direction by a threaded fastener.

According to some embodiments of the present application, the housing and the push block are respectively provided with positioning holes corresponding to each other, and positioning pins are installed in the positioning holes.

According to some embodiments of this application, the needle device is rolled up in the reducing includes rolling up the needle file, it is located to roll up the needle and keep away from the one end of needle mouth, it installs to roll up the needle roll up on the needle file.

According to the winding equipment provided by the embodiment of the application, the variable-diameter needle winding device provided by the embodiment of the application is included.

According to the winding equipment provided by the embodiment of the application, at least the following technical effects are achieved: through using the needle device is rolled up to the reducing that this application provided, on the one hand the needle device is rolled up to the reducing is through surrounding the casing and the pole piece contact of rolling up the needle for the reducing is rolled up the contact surface increase of needle device and pole piece, and coiling equipment is difficult for producing the indentation when coiling the pole piece, thereby improves the quality of the electric core that coiling equipment made, and on the other hand needle device is rolled up to the reducing is equipped with the butt piece, makes the reducing scope of needle device is rolled up to the reducing can be adjusted, thereby improves the application scope of coiling equipment.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic cross-sectional view of a variable diameter needle winding device according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of area A of FIG. 1;

fig. 3 is a partially enlarged view of the area B in fig. 1.

Reference numerals:

the winding needle comprises a winding needle 100, a push rod 200, a first boss 210, a limiting groove 220, a shell 300, a push block 310, a second boss 311, an outer cover 320, a base 410, an abutting block 420, a limiting pin 510, a guide sleeve 520, a positioning pin 530 and a winding needle seat 540.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

Referring to fig. 1, the variable diameter needle winding device provided by the embodiment of the present application includes a winding needle 100, push rods 200, a housing 300 and a needle tip, the two winding needles 100 are arranged in a radial direction, the two push rods 200 are respectively installed on the two winding needles 100, the push rods 200 include first inclined planes, the first inclined planes are inclined to an axial direction, the two housings 300 are respectively installed on radial outer sides of the two winding needles 100, the housings 300 surround the winding needle 100 and the push rods 200, the housing 300 includes second inclined planes corresponding to the first inclined planes, the needle tip is located at one axial end of the winding needle 100, the needle tip includes a base 410 and an abutting block 420 detachably installed on the base 410, the base 410 is provided with a needle inserting hole, and the abutting block 420 is used for pushing the push rods 200 to move in the axial direction so that the housings 300 move in the radial direction.

It is understood that "radial" refers to the radial direction of the variable diameter needle winding device, and "axial" refers to the axial direction of the variable diameter needle winding device, and the variable diameter needle winding device rotates along an axis parallel to the axial direction when winding the pole piece, thereby winding the pole piece on the housing 300. The abutment blocks 420 on the base 410 may be replaced, with different abutment blocks 420 having different lengths in the axial direction, and thus different pushing effects on the push rod 200.

"outboard" refers to the side of one winding needle 100 that is away from the other winding needle 100. "inside" refers to the side of winding needle 100 that is adjacent to another winding needle 100.

According to the needle device is rolled up in the reducing that this application embodiment provided, casing 300 is used for contacting with the pole piece, it inserts the needle inserting hole to roll up needle 100 during the coiling pole piece, butt piece 420 promotes casing 300 along radial movement, insert the degree of depth in needle inserting hole through adjusting book needle 100, thereby change the distance between casing 300 and the book needle 100, realize the reducing effect, casing 300 surrounds book needle 100, thereby the contact surface of needle device and pole piece is rolled up in the increase reducing, avoid producing the indentation when coiling, improve the quality of electric core product, through replacing different butt piece 420, can adjust the reducing scope of needle device is rolled up in the reducing, thereby improve the application scope of needle device is rolled up in the reducing.

In some embodiments, the winding needle 100 is provided with a first mounting groove, the first mounting groove is located on one side of the winding needle 100 close to another winding needle 100, the push rod 200 is mounted in the first mounting groove, and the abutting block 420 is mounted in the pin hole. The push rod 200 is arranged in the first mounting groove, so that the internal space of the winding needle 100 is fully utilized, and the structural layout of the variable-diameter winding needle device is more compact. Referring to fig. 1, when the winding needle 100 is inserted into the needle insertion hole, the abutment block 420 enters the first mounting groove and pushes the push rod 200 to move in the first mounting groove.

Correspondingly, the winding needle 100 is provided with a second mounting groove, the second mounting groove is located on one side of the winding needle 100 away from another winding needle 100, the housing 300 includes a push block 310, the push block 310 is located in the second mounting groove, and the second inclined plane is located on the push block 310. The winding needle 100 is further provided with a connecting groove which is communicated with the first mounting groove and the second mounting groove, and the first inclined plane and the second inclined plane are located in the connecting groove. The push rod 200 and the push block 310 are in contact through a connection groove, and specifically referring to fig. 2, the push rod 200 has a first protrusion 210 extending into the connection groove, a first inclined surface is located on the surface of the first protrusion 210, the push block 310 has a second protrusion 311 extending into the connection groove, and a second inclined surface is located on the surface of the second protrusion 311.

With continued reference to fig. 2, in some embodiments, the first mounting groove is mounted with a limit pin 510, the push rod 200 is opened with a limit groove 220, the limit groove 220 extends along the axial direction of the winding needle 100, and the limit pin 510 is inserted in the limit groove 220. The limiting groove 220 and the limiting pin 510 limit the maximum movable range of the push rod 200, so as to prevent accidents caused by the movement stroke of the push rod 200 exceeding the allowable range, for example, prevent the first protruding part 210 from colliding with the side wall of the connecting groove during the movement process to cause damage. On the other hand, the limiting groove 220 can also play a role in reducing the weight of the push rod 200

In order to make the movement of the push rod 200 within the first mounting groove smoother, in some embodiments, a guide sleeve 520 is installed in the first mounting groove, and the push rod 200 is inserted in the guide sleeve 520. Referring to fig. 3, on one hand, the guide sleeve 520 extends in an axial direction to guide the push rod 200 to move accurately in the axial direction, and on the other hand, the guide sleeve 520 may be made of a material with a low friction coefficient, such as a friction alloy, to reduce the friction resistance to which the push rod 200 is subjected during movement.

According to some embodiments of the present application, the housing 300 includes a housing 320, the housing 320 surrounds the winding pin 100, and the push block 310 is mounted on a radially inner side of the housing 320 by a threaded fastener. In some embodiments, the outer cover 320 and the push block 310 are respectively provided with positioning holes corresponding to each other, the positioning holes are provided with positioning pins 530, and the positioning pins 530 enable the mounting relationship between the outer cover 320 and the push block 310 to be more accurate.

According to some embodiments of the present application, the variable diameter needle rolling device includes a rolling needle seat 540, the rolling needle seat 540 is located at an end of the rolling needle 100 far away from the needle mouth, and the rolling needle 100 is installed on the rolling needle seat 540.

The embodiment of the application also provides a winding device, and the winding device comprises the reducing winding needle device in the embodiment of the application. And the winding equipment winds the pole piece through the reducing winding needle device.

According to the utility model provides a coiling equipment, through using the reducing book needle device that this application provided, on the one hand the reducing book needle device is through surrounding casing 300 and the pole piece contact of rolling up the needle, make the reducing book needle device and the contact surface increase of pole piece, coiling equipment is difficult for producing the indentation when coiling the pole piece, thereby improve the quality of the electric core that coiling equipment made, on the other hand reducing book needle device is equipped with butt joint piece 420, make the reducing scope of reducing book needle device can adjust, thereby improve the application scope of coiling equipment.

The variable diameter needle winding device according to the embodiment of the present application is described in detail in a specific embodiment with reference to fig. 1, 2 and 3. It is to be understood that the following description is illustrative only and is not intended to be in any way limiting. The present embodiments may also be replaced by or combined with the corresponding technical features described above.

Referring to fig. 1, the variable diameter needle winding device comprises a winding needle 100, a push rod 200, a housing 300, a needle mouth and a winding needle seat 540, wherein the housing 300 comprises a push block 310 and an outer cover 320. The number of the winding needle 100, the push rod 200 and the housing 300 is two.

Specifically, the winding needle seat 540 is located at one end of the winding needle 100 in the axial direction, the winding needle 100 is installed on the winding needle seat 540, the two winding needles 100 are arranged in a radial direction, the winding needle 100 is provided with a first installation groove, a second installation groove and a connection groove, the first installation groove is located at the inner side of the winding needle 100 in the radial direction, the second installation groove is located at the outer side of the winding needle 100 in the radial direction, and the connection groove extends in the axial direction so as to communicate the first installation groove and the second installation groove.

Referring to fig. 2, two push rods 200 are respectively installed in first installation grooves of two winding pins 100, the push rods 200 have first protrusions 210 extending into the connection grooves, the first protrusions 210 are provided with first inclined surfaces inclined to the axial direction, two push blocks 310 are respectively installed in second installation grooves of the two winding pins 100, the push blocks 310 have second protrusions 311 extending into the connection grooves, and the second protrusions 311 include second inclined surfaces corresponding to the first inclined surfaces.

The first mounting groove is provided with a limit pin 510, the push rod 200 is provided with a limit groove 220, the limit groove 220 extends along the axial direction of the winding needle 100, and the limit pin 510 is inserted in the limit groove 220.

Referring to fig. 3, a guide sleeve 520 is installed in the first installation groove, and the push rod 200 is inserted in the guide sleeve 520.

Referring back to fig. 1, a housing 320 surrounds the winding pin 100, and a push block 310 is mounted on a radially inner side of the housing 320 by a screw fastener. The outer cover 320 and the push block 310 are respectively provided with corresponding positioning holes, and positioning pins 530 are installed in the positioning holes.

The needle nozzle is located at the other end of the winding needle 100 along the axial direction, the needle nozzle comprises a base 410 and an abutting block 420 detachably mounted on the base 410, the base 410 is provided with a needle inserting hole, the abutting block 420 is mounted in the needle inserting hole, and the abutting block 420 is used for pushing the push rod 200 to move along the axial direction so as to enable the shell 300 to move along the radial direction.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present application. 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.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A needle device is rolled up in reducing, its characterized in that includes:

the two winding needles are arranged oppositely in the radial direction;

the two push rods are respectively arranged on the two winding needles and comprise first inclined planes which are inclined to the axial direction;

the two shells are respectively arranged on the outer sides of the two winding needles along the radial direction, the shells surround the winding needles and the push rod, and each shell comprises a second inclined surface corresponding to the first inclined surface;

the needle mouth, the needle mouth is located it follows to roll up the needle axial one end, the needle mouth includes that base and detachably install butt piece on the base, the needle jack hole has been seted up to the base, the butt piece is used for promoting the push rod is followed axial displacement is so that the casing is followed radial movement.

2. The variable-diameter needle winding device according to claim 1, wherein: first mounting groove has been seted up to roll up the needle, first mounting groove is located roll up the needle and be close to the other one side of rolling up the needle, the push rod is installed in the first mounting groove, the butt joint piece is installed in the plug pin hole.

3. The variable-diameter needle winding device according to claim 2, wherein: the winding needle is provided with a second mounting groove, the second mounting groove is located the winding needle is far away from the other winding needle, the shell comprises a push block, the push block is located in the second mounting groove, and the second inclined plane is located on the push block.

4. The variable-diameter needle winding device according to claim 3, wherein: the roll up the needle and seted up the spread groove, the spread groove intercommunication first mounting groove with the second mounting groove, the push rod is including stretching into first bellying in the spread groove, first inclined plane is located the surface of first bellying, the ejector pad is including stretching into second bellying in the spread groove, the second inclined plane is located the surface of second bellying.

5. The variable-diameter needle winding device according to claim 4, wherein: the first mounting groove is internally provided with a limiting pin, the push rod is provided with a limiting groove, the limiting groove extends along the axial direction of the winding needle, and the limiting pin is inserted in the limiting groove.

6. The variable-diameter needle winding device according to claim 2, wherein: and a guide sleeve is arranged in the first mounting groove, and the push rod is inserted in the guide sleeve.

7. The variable-diameter needle winding device according to claim 3, wherein: the shell comprises an outer cover, the outer cover surrounds the winding needle, and the push block is installed on the inner side of the outer cover along the radial direction through a threaded fastener.

8. The variable-diameter needle winding device according to claim 7, wherein: the outer cover and the push block are respectively provided with corresponding positioning holes, and positioning pins are arranged in the positioning holes.

9. The variable-diameter needle winding device according to claim 1, wherein: the reducing needle rolling device comprises a needle rolling seat, the needle rolling seat is located at one end, far away from the needle nozzle, of the rolling needle, and the rolling needle is installed on the needle rolling seat.

10. A winding apparatus characterized by: the winding device comprises the variable-diameter needle winding device as claimed in any one of claims 1 to 9.