CN210668098U

CN210668098U - Winding device

Info

Publication number: CN210668098U
Application number: CN201922173212.0U
Authority: CN
Inventors: 李建清; 黎超; 姚庆杰
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd; Kunshan Liantao Electronics Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-02
Anticipated expiration: 2029-12-06

Abstract

The utility model relates to the technical field of coil winding, and discloses a winding device, which comprises a die block, a die core and a die set; the mould block is provided with a plug hole; one end of the mold core is inserted into the inserting hole; the mould set is sleeved on the mould core and comprises a plurality of mould sleeves which are sequentially sleeved, the mould sleeves can move along the axial direction of the mould core, and the distance between the mould sleeves and the mould blocks is gradually reduced from inside to outside; the coil is wound on the mold core, and the mold sleeves from inside to outside in the winding process sequentially form stop stops for the winding of the coil. In the winding process, the die sleeve from inside to outside sequentially winds the coil to form a stop, and the distance between the die sleeve and the die block is gradually reduced from inside to outside; the end part of the coiled coil can be ensured to be convex, and more choices are provided for wireless charging module products. Moreover, the winding device is simple in structure and convenient and fast to use.

Description

Winding device

Technical Field

The utility model relates to a coil wire winding technical field especially relates to a winding device.

Background

The axial end of the coil used in the conventional electronic device is mostly concave, and the coil is generally directly wound on a winding mold. With the development of wireless charging technology, in order to make wireless charging module products have more choices, it is nowadays required that the axial end of the coil is convex.

Therefore, a winding device is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a winding device can guarantee that the tip of wound coil is the convex.

To achieve the purpose, the utility model adopts the following technical proposal:

provided is a winding device including:

the mould block is provided with a plug hole;

one end of the mold core is inserted into the insertion hole;

the mold set is sleeved on the mold core and comprises a plurality of mold sleeves which are sequentially sleeved, the mold sleeves can move along the axial direction of the mold core, and the distance between the mold sleeves and the mold blocks is gradually reduced from inside to outside;

the coil is wound on the mold core, and the mold sleeves sequentially face the winding of the coil to form stop stops in the winding process from inside to outside.

Preferably, one end of the die sleeve, which is close to the die block, is a concave arc curved surface.

Preferably, all of the mold sleeves are disposed flush at an end remote from the mold blocks.

Preferably, one end of the mold core, which is far away from the mold block, is annularly provided with a stopping protrusion, and the stopping protrusion is used for stopping the mold sleeve.

Preferably, the outer diameter of the stopper projection is larger than the inner diameter of the outermost mold sleeve.

Preferably, the mold set comprises two mold sleeves, namely a first mold sleeve and a second mold sleeve, the mold core is sleeved with the first mold sleeve, and the outer side of the first mold sleeve is sleeved with the second mold sleeve.

Preferably, the mold set comprises three mold sleeves, namely a first mold sleeve, a second mold sleeve and a third mold sleeve, wherein the first mold sleeve is sleeved on the mold core, the second mold sleeve is sleeved on the outer side of the first mold sleeve, and the third mold sleeve is sleeved on the outer side of the second mold sleeve.

Preferably, the mold set comprises four mold sleeves, namely a first mold sleeve, a second mold sleeve, a third mold sleeve and a fourth mold sleeve, wherein the mold core is sleeved with the first mold sleeve, the outer side of the first mold sleeve is sleeved with the second mold sleeve, the outer side of the second mold sleeve is sleeved with the third mold sleeve, and the outer side of the third mold sleeve is sleeved with the fourth mold sleeve.

Preferably, the die set comprises five die sleeves, namely a first die sleeve, a second die sleeve, a third die sleeve, a fourth die sleeve and a fifth die sleeve, wherein the die core is arranged in the first die sleeve, the second die sleeve is arranged in the outer side of the first die sleeve, the third die sleeve is arranged in the outer side of the second die sleeve, the fourth die sleeve is arranged in the outer side of the third die sleeve, and the fifth die sleeve is arranged in the outer side of the fourth die sleeve.

Preferably, one side of the die block close to the die sleeve is a plane or a convex curved surface.

The utility model has the advantages that:

in the winding process, the die sleeve from inside to outside sequentially forms a stop for winding the coil, and the distance between the die sleeve and the die block is gradually reduced from inside to outside; the end part of the coiled coil can be ensured to be convex, and more choices are provided for wireless charging module products. Moreover, the winding device is simple in structure and convenient and fast to use.

Drawings

Fig. 1 is a schematic structural diagram of a winding device provided by the present invention;

fig. 2 is a cross-sectional view of the winding device provided by the present invention;

fig. 3 is an exploded view of the winding device provided by the present invention.

In the figure: 1. a mold block; 11. inserting holes; 2. a mold core; 21. a stop projection; 3. a die set; 31. a first mold sleeve; 32. a second mold sleeve; 33. a third mold sleeve; 34. a fourth mold sleeve; 35. and a fifth die sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-3, the present embodiment discloses a winding device, which includes a mold block 1, a mold core 2 and a mold set 3. The mould block 1 is provided with an inserting hole 11, one end of the mould core 2 is inserted into the inserting hole 11, the two can be simply inserted and connected, and can also be in interference fit or threaded connection, so that the two cannot move after being mutually matched. When the two are in interference fit, one of the mould block 1 and the mould core 2 is made of elastic material, and the other one is made of hard material, so that the two are convenient to fit.

On mold core 2 was located to mould group 3 cover, mould group 3 includes a plurality of mould covers that establish of overlapping in proper order, and the mould cover can be followed mold core 2's axial direction and removed, and the distance between mould cover and the mould piece 1 diminishes from inside to outside gradually, two adjacent mould covers promptly, and the distance between the mould cover in the outside and the mould piece 1 of inboard mould cover and mould piece 1 is big. The coil is wound on the mold core 2, and the mold sleeves from inside to outside are sequentially used for winding the coil to form a stop in the winding process.

In the winding process, the die sleeves from inside to outside are sequentially used for winding the coil to form stop stops, and the distance between the die sleeves and the die block 1 is gradually reduced from inside to outside; the end part of the coiled coil can be ensured to be convex, and more choices are provided for wireless charging module products. Moreover, the winding device is simple in structure and convenient and fast to use.

One end of the die sleeve, which is close to the die block 1, is a concave arc curved surface, and all the die sleeves are spliced into an integral arc-shaped groove. One end parallel and level that mould piece 1 was kept away from to all mould covers sets up, makes the mould cover after keeping away from the one end alignment of mould piece 1 in the use, alright make all concave arc curved surface concatenations form the arc wall.

The mold core 2 is provided with a stop protrusion 21 at the end ring away from the mold block 1, and the stop protrusion 21 is used for stopping the mold sleeve to prevent the mold sleeve from falling off from the mold core 2. The outer diameter of the stop bulge 21 is larger than the inner diameter of the mold sleeve at the outermost side, so that the mold sleeve at the outermost side can be prevented from falling off from the mold core 2.

One side of the die block 1 close to the die sleeve is a plane or a convex arc curved surface, in this embodiment, the plane, in other embodiments, one end of the coil is concave, and one side of the die block 1 close to the die sleeve is a convex arc curved surface.

Preferably, in this embodiment, the mold set 3 includes five mold sleeves, which are respectively a first mold sleeve 31, a second mold sleeve 32, a third mold sleeve 33, a fourth mold sleeve 34 and a fifth mold sleeve 35, the first mold sleeve 31 is sleeved on the mold core 2, the second mold sleeve 32 is sleeved on the outer side of the first mold sleeve 31, the third mold sleeve 33 is sleeved on the outer side of the second mold sleeve 32, the fourth mold sleeve 34 is sleeved on the outer side of the third mold sleeve 33, and the fifth mold sleeve 35 is sleeved on the outer side of the fourth mold sleeve 34. In the winding process, the first die sleeve 31 is moved to a preset position, and the second die sleeve 32, the third die sleeve 33, the fourth die sleeve 34 and the fifth die sleeve 35 move away from the die block 1, so that the winding is not influenced. Then, winding is carried out, after the first die sleeve 31 is basically fully wound with the enameled wire, the second die sleeve 32, the third die sleeve 33, the fourth die sleeve 34 and the fifth die sleeve 35 are moved towards the direction close to the die block 1 to be flush with one end of the first die sleeve 31 close to the stop protrusion 21, and then the third die sleeve 33, the fourth die sleeve 34 and the fifth die sleeve 35 are moved towards the direction far away from the die block 1; then, winding is continued, and when the second die sleeve 32 is basically fully wound with the enameled wire; moving the third mold sleeve 33, the fourth mold sleeve 34 and the fifth mold sleeve 35 toward the mold block 1 to be flush with the end of the first mold sleeve 31 near the stopping protrusion 21, and then moving the fourth mold sleeve 34 and the fifth mold sleeve 35 away from the mold block 1; then, winding is continued, and when the third die sleeve 33 is basically fully wound with the enameled wire; moving the fourth mold sleeve 34 and the fifth mold sleeve 35 toward the mold block 1 to be flush with the end of the first mold sleeve 31 near the stop protrusion 21, and then moving the fifth mold sleeve 35 away from the mold block 1; then, winding is continued, and when the fourth die sleeve 34 is basically fully wound with the enameled wire; moving the fifth die sleeve 35 towards the direction close to the die block 1 to enable the fifth die sleeve to be flush with one end, close to the stop bulge 21, of the first die sleeve 31 until winding is finished; the core 2 is then removed from the mould block 1 and the coil is removed.

In other embodiments, the mold set 3 includes two mold sleeves, namely a first mold sleeve and a second mold sleeve, the first mold sleeve is disposed on the mold core, and the second mold sleeve is disposed outside the first mold sleeve.

Or, the mold set 3 includes three mold sleeves, which are a first mold sleeve, a second mold sleeve and a third mold sleeve, respectively, the first mold sleeve is sleeved on the mold core, the second mold sleeve is sleeved on the outer side of the first mold sleeve, and the third mold sleeve is sleeved on the outer side of the second mold sleeve.

Or, the mold set 3 includes four mold sleeves, which are a first mold sleeve, a second mold sleeve, a third mold sleeve and a fourth mold sleeve, respectively, the first mold sleeve is sleeved on the mold core, the second mold sleeve is sleeved on the outer side of the first mold sleeve, the third mold sleeve is sleeved on the outer side of the second mold sleeve, and the fourth mold sleeve is sleeved on the outer side of the third mold sleeve.

The die set 3 may also include a greater number of die sets, the number of die sets being selected according to the coil requirements.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A winding device, comprising:

the mould block (1) is provided with a plug hole (11);

the mold core (2) is inserted into the inserting hole (11) at one end;

the mould set (3) is sleeved on the mould core (2), the mould set (3) comprises a plurality of mould sleeves which are sequentially sleeved, the mould sleeves can move along the axial direction of the mould core (2), and the distance between the mould sleeves and the mould block (1) is gradually reduced from inside to outside;

the coil is wound on the mold core (2), and the mold sleeves sequentially face the winding of the coil from inside to outside in the winding process to form stop stops.

2. The winding device according to claim 1, characterized in that the end of the die case close to the die block (1) is a concave curved surface.

3. Winding device according to claim 1, characterized in that all the mould cases are arranged flush at the end facing away from the mould block (1).

4. The winding device according to claim 1, characterized in that the end of the mold core (2) away from the mold block (1) is provided with a stop protrusion (21), and the stop protrusion (21) is used for stopping the mold sleeve.

5. A winding device according to claim 4, characterized in that the stop protrusion (21) has an outer diameter which is larger than the inner diameter of the outermost die sleeve.

6. Winding device according to claim 1, characterized in that the die set (3) comprises two die sleeves, namely a first die sleeve and a second die sleeve, wherein the first die sleeve is arranged on the die core, and the second die sleeve is arranged on the outer side of the first die sleeve.

7. The winding device according to claim 1, characterized in that the die set (3) comprises three die sleeves, namely a first die sleeve, a second die sleeve and a third die sleeve, wherein the first die sleeve is arranged on the die core, the second die sleeve is arranged on the outer side of the first die sleeve, and the third die sleeve is arranged on the outer side of the second die sleeve.

8. The winding device according to claim 1, characterized in that the die set (3) comprises four die sleeves, namely a first die sleeve, a second die sleeve, a third die sleeve and a fourth die sleeve, wherein the first die sleeve is arranged on the die core, the second die sleeve is arranged on the outer side of the first die sleeve, the third die sleeve is arranged on the outer side of the second die sleeve, and the fourth die sleeve is arranged on the outer side of the third die sleeve.

9. The winding device according to claim 1, wherein the mold set (3) comprises five mold sleeves, namely a first mold sleeve (31), a second mold sleeve (32), a third mold sleeve (33), a fourth mold sleeve (34) and a fifth mold sleeve (35), the mold core (2) is sleeved with the first mold sleeve (31), the first mold sleeve (31) is sleeved with the second mold sleeve (32), the second mold sleeve (31) is sleeved with the third mold sleeve (33), the second mold sleeve (32) is sleeved with the fourth mold sleeve (34), and the fourth mold sleeve (34) is sleeved with the fifth mold sleeve (35).

10. The winding device according to claim 1, characterized in that the side of the die block (1) close to the die sleeve is a plane or a convex curved surface.