Winding device

Abstract

The utility model provides a winding device, and relates to the technical field of coil winding. The winding device comprises a winding assembly and a pressing assembly. The winding assembly comprises a first positioning part, a second positioning part and a winding part. The first positioning part and the second positioning part are oppositely arranged, and the first end of the winding part penetrates through the second positioning part and is located between the first positioning part and the second positioning part; the pressing assembly comprises a first pressing piece and a second pressing piece, the first pressing piece and the second pressing piece are movably arranged in the vertical direction and located between the first positioning part and the second positioning part, and the first pressing piece and the second pressing piece are located on the upper side and the lower side of the first end of the winding part respectively. And the first pressing piece and the second pressing piece are both used for pressing the coil on the first end of the winding part. According to the embodiment of the invention, the quality of the coil formed by winding of the winding device can be further improved.

Description

TECHNICAL FIELD

[0001] The embodiment of the present application relates to, but is not limited to, the technical field of coil winding, and particularly relates to a winding device. BACKGROUND

[0002] With the development of wireless charging technology, wireless charging is applied in more and more fields. The wireless charging technology usually uses electromagnetic induction between a charger and a wireless charging coil on a terminal to realize charging. The quality of the wireless charging coil directly affects the performance, efficiency and reliability of the charger. In the production process, the most direct factor affecting the quality of the charger is the winding process of the wire and the design of the winding device. However, the straight side of the coil wound by the winding device in the prior art will produce phenomena such as outward bulging and bulging, which reduces the quality of the coil. Therefore, how to improve the quality of the coil is a technical problem to be solved. CONTENT OF THE UTILITY MODEL

[0003] The following is a summary of the subject matter described in detail in this document. This summary is not intended to limit the scope of protection of the claims. The embodiment of the present application provides a winding device which can improve the quality of the wound coil.

[0004] The winding device provided by the embodiment of the present application comprises:

[0005] The winding assembly comprises a first positioning portion, a second positioning portion and a winding portion; the first positioning portion and the second positioning portion are oppositely arranged, and a first end of the winding portion passes through the second positioning portion and is located between the first positioning portion and the second positioning portion.

[0006] The pressing assembly comprises a first pressing member and a second pressing member, the first pressing member and the second pressing member are movably arranged in the vertical direction and located between the first positioning portion and the second positioning portion, and the first pressing member and the second pressing member are respectively located on the upper and lower sides of the first end of the winding portion, and the first pressing member and the second pressing member are used for pressing the coil on the first end of the winding portion.

[0007] Therefore, the above-mentioned embodiments of the present application have at least the following beneficial effects: when the first end of the winding part passes through the second positioning part and is located between the first positioning part and the second positioning part, the initial positioning of the wire on the first end of the winding part can be facilitated when the first positioning part and the second positioning part move away from each other; when the first positioning part and the second positioning part move close to each other, the first positioning part abuts against the first end of the winding part, and a winding shaft with a fixed length is formed between the first positioning part and the second positioning part. After the wire is wound on the winding shaft to form a coil, the first pressing member and the second pressing member are controlled to move close to each other and press the coil on the winding shaft, so that the upper surface and the lower surface of the coil can be corrected, the probability of phenomena such as bulging and bulging is reduced, and the quality of the coil product is improved. Therefore, compared with related technologies, the embodiments of the present application can further improve the quality of the coil formed by the winding forming of the winding device.

[0008] According to some embodiments of the present application, a first side of the first positioning part is provided with a notch to form a first wire inlet slot with two opposite side openings. The bottom of the first wire inlet slot is arranged close to the first end of the winding part. The other two opposite sides of the first wire inlet slot are arranged obliquely. The bottom of the first wire inlet slot matches the wire width of the wire for winding the coil.

[0009] According to some embodiments of the present application, a second wire inlet slot is formed in a part of the bottom of the first wire inlet slot close to the first end of the winding part. The second wire inlet slot is arranged in parallel with the first end of the winding part.

[0010] According to some embodiments of the present application, the bottom of the first wire inlet slot is perpendicular to the first end of the winding part.

[0011] According to some embodiments of the present application, a wire cutting slot is formed in a second side of the first positioning part opposite to the first side. The wire cutting slot is used to cut the wire supplied to the first wire inlet slot.

[0012] According to some embodiments of the present application, two wire cutting slots are arranged adjacent to each other.

[0013] According to some embodiments of the present application, the winding part includes a driving connection shaft and a square winding shaft. The winding assembly further includes a second driving member. The first end of the square winding shaft is arranged close to the first positioning part. The second end of the square winding shaft is connected with the first end of the driving connection shaft. The second end of the driving connection shaft penetrates out of the second positioning part and is connected with the second driving member.

[0014] According to some embodiments of the present application, the winding assembly further includes a first driving member. The first driving member is connected with the first positioning part. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the technical solutions of the present application and constitute a part of the specification, and are used together with the embodiments of the present application to explain the technical solutions of the present application, and do not constitute a limitation on the technical solutions of the present application.

[0016] Figure 1 is a structural schematic diagram of one embodiment of the winding device provided by the present application;

[0017] Figure 2 is a structural schematic diagram of another view of one embodiment of the winding device provided by the present application;

[0018] Figure 3 is a front view schematic diagram of one embodiment of the winding device provided by the present application;

[0019] Figure 4 is an exploded schematic diagram of one embodiment of the winding device provided by the present application;

[0020] Figure 5 is a partial structural schematic diagram of one embodiment of the winding device provided by the present application;

[0021] Figure 6 is Figure 5 is an enlarged schematic diagram of the partial A shown.

[0022] Reference signs:

[0023] Winding assembly 100, first positioning part 110, second positioning part 120, winding part 130, driving connection shaft 131, square winding shaft 132, first wire inlet slot 141, second wire inlet slot 142, wire cutting slot 143,

[0024] Compression assembly 200, first compression part 210, second compression part 220,

[0025] Wire 310, coil 320. DETAILED DESCRIPTION

[0026] In order to make the purposes, technical solutions and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used herein are only for the purpose of describing the embodiments of the present application, and are not intended to limit the present application. The terms "first", "second", "third", "fourth" and the like (if any) in the specification and the above drawings of the present application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.

[0028] Moreover, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the

[0029] With the development of wireless charging technology, wireless charging is more and more applied in various fields. Wireless charging technology usually uses electromagnetic induction between a charger and a wireless charging coil on a terminal to achieve charging. The quality of the wireless charging coil directly affects the performance, efficiency, reliability, etc. of the charger. In the production process, the most direct factor affecting the quality of the charger is the winding process of the wire and the design of the winding device. However, the straight side of the coil wound by the winding device in the prior art will produce phenomena such as outward bulging and bulging, which reduces the quality of the coil. Therefore, how to improve the quality of the coil is a technical problem to be solved. Based on this, the embodiments of the present application provide a winding device which can improve the quality of the wound coil.

[0030] Referring to Figures 1 to 5 The winding device according to the embodiments of the present application comprises:

[0031] The winding assembly 100 comprises a first positioning portion 110, a second positioning portion 120, and a winding portion 130. The first positioning portion 110 and the second positioning portion 120 are oppositely arranged, and a first end of the winding portion 130 passes through the second positioning portion 120 and is located between the first positioning portion 110 and the second positioning portion 120.

[0032] The pressing assembly 200 comprises a first pressing member 210 and a second pressing member 220. The first pressing member 210 and the second pressing member 220 are movably arranged in the vertical direction and located between the first positioning portion 110 and the second positioning portion 120. The first pressing member 210 and the second pressing member 220 are respectively located on the upper and lower sides of the first end of the winding portion 130. The first pressing member 210 and the second pressing member 220 are both used to press the coil on the first end of the winding portion 130.

[0033] Therefore, by passing the first end of the winding part 130 through the second positioning part 120 and between the first positioning part 110 and the second positioning part 120, when the first positioning part 110 and the second positioning part 120 are away from each other, the initial positioning of the wire 310 by the first end of the winding part 130 can be facilitated, when the first positioning part 110 and the second positioning part 120 are close to each other, the first positioning part 110 abuts against the first end of the winding part 130, and a fixed length of the winding shaft is formed between the first positioning part 110 and the second positioning part 120. After the wire 310 is wound on the winding shaft to form the coil 320, by controlling the first pressing part 210 and the second pressing part 220 to be close to each other and press the coil 320 on the winding shaft, the upper surface and the lower surface of the coil 320 can be corrected, the probability of phenomena such as convexity and bulging is reduced, and the quality of the coil 320 product is improved. Therefore, compared with the related art, the quality of the coil 320 wound and formed by the winding device can be further improved.

[0034] The shape of the first positioning part 110 and the second positioning part 120 is not limited in the embodiments of the present application, and can be selectively set by those skilled in the art according to actual needs. In some embodiments, the first end of the winding part 130 passes through the center position of the second positioning part 120.

[0035] In some embodiments, the first positioning part 110 and the second positioning part 120 are provided as a disc, and in other embodiments, referring to Figure 2 and Figure 3 It is shown that the first positioning part 110 and the second positioning part 120 are provided as a disc, and the first positioning part 110 and the second positioning part 120 are provided with a circular arc surface at the edge, so that the circular surface area of the opposite surface of the first positioning part 110 and the second positioning part 120 is smaller, which can facilitate the observation of the winding state of the coil 320.

[0036] The end surface of the first pressing part 210 and the second pressing part 220 matches the surface shape of the coil, and in some embodiments, referring to Figure 4 It is shown that the coil 320 is square, and the end surface of the first pressing part 210 and the second pressing part 220 is provided as a plane, for example, the first pressing part 210 and the second pressing part 220 are provided as square pressing plates. The driving part for driving the first pressing part 210 and the second pressing part 220 is not shown in the drawings of the present application, and the first pressing part 210 and the second pressing part 220 can share the same driving part, or each can be driven by a driving part. The type of the driving part is not limited in the embodiments of the present application, and the number of the driving part can be selectively set by those skilled in the art according to actual needs, for example, a cylinder and a pressing plate can be combined to form the first pressing part 210 and the second pressing part 220.

[0037] Taking that the first pressing member 210 and the second pressing member 220 are both square pressing plates as an example, the thickness of the pressing plate is not limited in the embodiments of the present application, in some embodiments, the thickness of the pressing plate matches the minimum width of the allowed interval between the first positioning part 110 and the second positioning part 120; in other embodiments, the thickness of the pressing plate is thicker than the width of the wire 310.

[0038] It can be understood that, referring to Figures 1 to 5 , the first side of the first positioning part 110 is provided with a notch to form a first wire inlet slot 141 with two opposite side openings, the bottom of the first wire inlet slot 141 is arranged close to the first end of the winding part 130, the other two opposite sides of the first wire inlet slot 141 are arranged obliquely, and the bottom of the first wire inlet slot matches the wire width of the wire 310 of the coil, so as to position the wire 310.

[0039] By providing a notch on the first side and arranging the other two opposite sides of the first wire inlet slot 141 obliquely, the first wire inlet slot 141 is tapered, so that the wire 310 is easy to install and can be better fixed.

[0040] It can be understood that, referring to Figure 5 and Figure 6 , the part of the bottom of the first wire inlet slot 141 close to the first end of the winding part 130 is provided with a second wire inlet slot 142, and the second wire inlet slot 142 is arranged parallel to the first end of the winding part 130.

[0041] By providing the second wire inlet slot 142, the positioning of the wire 310 can be further realized through the second wire inlet slot 142, and the risk of the wire 310 falling off during winding is further reduced.

[0042] It can be understood that the bottom of the first wire inlet slot 141 is perpendicular to the first end of the winding part 130.

[0043] By arranging the bottom of the first wire inlet slot 141 perpendicular to the first end of the winding part 130, the wire 310 can be as parallel as possible to the surface of the first end of the winding part 130, further ensuring the winding effect.

[0044] It can be understood that, referring to Figure 2 , the first positioning part 110 is provided with a wire cutting slot 143 opposite the first side, and the wire cutting slot 143 is used to cut the wire 310 transported to the first wire inlet slot 141.

[0045] By providing the wire cutting slot 143, the wire 310 can be cut after being wound and formed, further improving the automation of winding, and further improving the efficiency of winding.

[0046] It can be understood that the tangent slot 143 is provided with two, and the two tangent slots 143 are provided adjacent to each other.

[0047] By providing two adjacent tangent slots 143, the success rate of tangential cutting can be further ensured. In some embodiments, the tangent slot 143 and the first incoming line slot 141 are symmetrically arranged relative to the center of the first positioning portion 110.

[0048] It can be understood that the winding portion 130 includes a driving connection shaft 131 and a square winding shaft 132, and the winding assembly 100 further includes a second driving member, the first end of the square winding shaft 132 is arranged close to the first positioning portion 110, the second end of the square winding shaft 132 is connected with the first end of the driving connection shaft 131, and the second end of the driving connection shaft 131 penetrates out of the second positioning portion 120 and is connected with the second driving member.

[0049] By providing the square winding shaft 132, the winding of the square coil 320 can be realized.

[0050] It can be understood that the winding assembly 100 further includes a first driving member, and the first driving member is connected with the first positioning portion 110.

[0051] By providing the first driving member and the second driving member, the first positioning portion 110 and the second positioning portion 120 can be rotated, so that the winding efficiency of the wire 310 during winding can be further ensured.

[0052] It can be understood that in some embodiments, the first positioning portion 110 and the second positioning portion 120 are provided with metal, so as to be heated to dissolve the enamel film of the wire 310, so that the wires 310 of adjacent coils 320 are bonded, and the quality of the wound coil 320 is improved. The metal material used by the first positioning portion 110 and the second positioning portion 120 in the embodiments of the application is not limited, and a person skilled in the art can selectively set according to whether heating is required and the temperature of heating.

[0053] It can be understood that the first driving member, the second driving member, and the driving member for driving the first pressing member 210 and the second pressing member 220 are not shown in the drawings of the application, and a person skilled in the art can select appropriate driving members and the number of driving members according to actual needs.

[0054] The winding process of the winding device of the embodiments of the application will be described below Figures 1 to 6 with the wire 310 as a copper wire, as follows:

[0055] Step1: the wire head of the wire 310 is hung into the corresponding first wire inlet slot 141 of the first positioning part 110, and the wire passes through the second wire inlet slot 142 and is wound on the square winding shaft, so that the positioning of the wire 310 is realized through the first wire inlet slot 141 and the second wire inlet slot 142, effectively preventing the wire 310 from falling off from the first positioning part 110, and further improving the winding effect.

[0056] Step2: after the wire head of the wire 310 is positioned in the second wire inlet slot 142, the first positioning part 110 and the second positioning part 120 are heated to a temperature setting value, wherein the temperature setting value is greater than the melting temperature of the enameled film of the copper wire, so that the enameled film is melted during winding, and the copper wires of adjacent coils 320 are bonded; then after the first positioning part 110 and the second positioning part 120 are folded, the first driving part and the second driving part drive the corresponding first positioning part 110 and the second positioning part 120 to rotate to realize automatic winding.

[0057] Step3: after the winding part 130 rotates a predetermined number of turns (i.e. the number of turns of the wireless charging coil 320) under the rotation of the second positioning part 120 and stops, the first pressing part 210 and the second pressing part 220 vertically move from above and below the winding part 130 to the upper and lower straight edges of the coil 320 on the square winding shaft 132 between the first positioning part 110 and the second positioning part 120 to apply pressure and shape, so as to press the upper and lower convex straight edges of the coil 320 to be straight and flat.

[0058] Step4: after the straight edge shaping action of the coil 320, the first positioning part 110 and the second positioning part 120 are separated, and the wire tail cutting action of the wire 310 of the coil 320 is completed through the tangent cutting slot 143, and the winding of the coil 320 is completed. After the coil 320 is demolded, the winding of the next coil 320 is carried out.

[0059] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the above-mentioned embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A winding device, characterized by The application relates to a winding assembly and a pressing assembly. The winding assembly comprises a first positioning part, a second positioning part and a winding part; the first positioning part and the second positioning part are oppositely arranged, and a first end of the winding part passes through the second positioning part and is located between the first positioning part and the second positioning part. The pressing assembly comprises a first pressing part and a second pressing part; the first pressing part and the second pressing part are movably arranged in a vertical direction and are located between the first positioning part and the second positioning part; the first pressing part and the second pressing part are respectively located on the upper and lower sides of the first end of the winding part; and the first pressing part and the second pressing part are used for pressing the coil on the first end of the winding part.

2. The winding device according to claim 1, characterized in that A first wire inlet groove with opposite two-side openings is formed on the first side of the first positioning part; the bottom of the first wire inlet groove is arranged close to the first end of the winding part; the other two opposite sides of the first wire inlet groove are arranged in an inclined manner; and the bottom of the first wire inlet groove matches the wire width of the wire material for winding the coil.

3. The winding device according to claim 2, characterized in that A second wire inlet groove is formed on the part of the bottom of the first wire inlet groove close to the first end of the winding part; and the second wire inlet groove is arranged in parallel with the first end of the winding part.

4. The winding device according to claim 2, characterized in that The bottom of the first wire inlet groove is perpendicular to the first end of the winding part.

5. The spooling device of claim 2, wherein, A wire cutting groove is formed on the second side of the first positioning part opposite to the first side; and the wire cutting groove is used for cutting the wire material supplied to the first wire inlet groove.

6. The winding device according to claim 5, characterized in that The wire cutting groove is provided with two wire cutting grooves; and the two wire cutting grooves are arranged adjacently.

7. The spooling device of claim 1, wherein, The winding part comprises a driving connection shaft and a square winding shaft; the winding assembly further comprises a second driving part; a first end of the square winding shaft is arranged close to the first positioning part; a second end of the square winding shaft is connected with a first end of the driving connection shaft; a second end of the driving connection shaft passes through the second positioning part and is connected with the second driving part.

8. The spooling device of claim 1, wherein, The winding assembly further comprises a first driving part; and the first driving part is connected with the first positioning part.

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