Clamp for coil winding

By designing an inner rotating tube and an openable arc-shaped plate structure, the problem of scraping during coil winding by the winding machine clamps was solved, enabling the coil to be removed without damage and improving the yield rate.

CN224096550UActive Publication Date: 2026-04-07GUANGDONG LIWANG HI TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

When the existing winding machine fixture is winding the coil, the coaxial movement of the movable seat and the fixed seat can easily scratch the coil, causing the inner coil of the coil to become scattered and affecting the yield rate.

Method used

It adopts an internal rotating tube and an openable arc plate structure. The arc plate can be opened and closed by the cooperation of push-pull rods and tension springs, which facilitates the winding and removal of coils.

Benefits of technology

This avoids damage to the coil during removal and improves the coil yield.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224096550U_ABST
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Abstract

The utility model discloses a coil winding clamp which comprises an inner rotating pipe and an open-close type arc-shaped pipe arranged on the outer side of the circumference of the inner rotating pipe, the open-close type arc-shaped pipe comprises two first arc-shaped plates and two second arc-shaped plates, the inner sides of the two first arc-shaped plates are fixedly connected with movable plates, and the inner sides of the two second arc-shaped plates are fixedly connected with the movable plates. The end, extending into the inner rotating pipe in a sliding mode, of the movable plate is fixedly connected with a trapezoid block, and telescopic rods are connected between the two second arc-shaped plates and the inner rotating pipe. When the coil needs to be taken out after being wound, the push-pull rod only needs to be dragged outwards, and the second arc-shaped plate and the first arc-shaped plate can be correspondingly pulled to be close to the inner rotating pipe side under the tension of the first tension spring and the second tension spring, so that personnel can conveniently take the coil without damage.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a winding equipment technical field, concretely relates to a clamp for coil winding. BACKGROUND

[0002] Most of the electric appliance products need to be wound with enameled copper wire to form inductance coil, and the winding machine is needed in the production of inductance coil. The existing winding machine generally fixes a winding clamp at the winding end of the winding machine when working, winds the copper wire on the winding clamp, and then takes down the coil from the winding clamp after the winding work is completed. Chinese patent CN207719046U discloses a winding clamp for coil, which comprises: a base for assembling with the winding machine; a fixed seat fixed on the base; a movable seat movably assembled on the fixed seat and capable of cooperating with the fixed seat to form a winding column, and when the coil winding is completed, the movable seat is driven to separate the movable seat or the fixed seat from the inner circle of the coil; and a limiting piece for limiting the position of the movable seat to keep the fixed seat and the movable seat in the form of the winding column; the winding machine and the winding clamp provided by the utility model separate the movable seat or the fixed seat from the inner circle of the coil after the winding of the coil is completed, so that when the coil is taken out, the interference of the winding column and the inner circle of the coil on the coil body is avoided, the coil body of the inner circle of the coil is not scattered when the coil is taken out, and the yield of the coil is improved.

[0003] The existing technology has the following disadvantages: the fixed seat and the movable seat of the embodiments one and two in the prior art are detachably spliced to take out the wound coil, but in actual use, since the movable seat is on the same axis (first guide column, second guide column) as the fixed seat, when the movable seat moves away from the fixed seat, the movable seat is always on the same axis as the fixed seat, so the wound coil is easily scratched on the outside of the fixed seat. Therefore, a clamp for coil winding is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] To solve the problems in the background art, the technical solution adopted by the utility model to solve the technical problems is: a clamp for coil winding, which comprises: an inner rotating pipe and an open-close arc-shaped pipe arranged on the outer side of the circumference of the inner rotating pipe, the open-close arc-shaped pipe comprises a first arc-shaped plate and a second arc-shaped plate, the number of the first arc-shaped plates and the second arc-shaped plates is two, the inner side of each of the two first arc-shaped plates is fixedly connected with a movable plate, the movable plate slidingly extends to one end of the inner rotating pipe and is fixedly connected with a trapezoidal block, each of the two second arc-shaped plates is connected with the inner rotating pipe through an extension rod, and the second arc-shaped plate and the inner rotating pipe are connected with the first tension spring on the side of the extension rod.

[0005] As a preferred technical scheme of the utility model, the second tension spring is connected between the first arc-shaped plate and the inner rotating pipe, and the inner rotating pipe is internally sleeved with a push-pull rod at one end.

[0006] As a preferred technical scheme of the utility model, the trapezoidal block is a right trapezoidal structure, the inclined surface of the trapezoidal block is matched with the push-pull rod, and the end of the push-pull rod is an isosceles trapezoidal structure.

[0007] As a preferred technical scheme of the utility model, the push-pull rod is opened and closed with a positioning hole at one end, and the push-pull rod is connected with a pull ring at one end outside the inner rotating pipe.

[0008] As a preferred technical scheme of the utility model, the inner rotating pipe is threadedly connected with a knob at one end opposite to one side of the positioning hole, and the knob is threadedly penetrated into the inner rotating pipe and inserted into the positioning hole.

[0009] As a preferred technical scheme of the utility model, the inner rotating pipe is fixedly connected with a limiting guard plate at one end opposite to the push-pull rod, and the limiting guard plate is connected with a base at the middle of the inner rotating pipe opposite to the one end.

[0010] As a preferred technical scheme of the utility model, the telescopic rod is a non-powered type.

[0011] The utility model has the following advantages: the utility model only needs to push the push-pull rod to the position inside the inner rotating pipe, so that the first arc-shaped plate and the second arc-shaped plate are unfolded and spliced into an arc-shaped pipe to perform the coil winding work.

[0012] When the coil needs to be taken out after being wound, the push-pull rod only needs to be pulled outward, and the second arc-shaped plate and the first arc-shaped plate can be correspondingly pulled to the inner rotating pipe side under the tension of the first tension spring and the second tension spring, so as to facilitate personnel to take the coil without damage. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the overall structure schematic view of the preferred embodiment of the utility model;

[0014] Fig. 2 It is the split structure schematic view of the push-pull rod and the inner rotating rod of the preferred embodiment of the utility model;

[0015] Fig. 3 It is the partial sectional structure schematic view of the preferred embodiment of the utility model.

[0016] Mark 1, inner rotating pipe; 2, movable plate; 3, trapezoidal block; 4, first arc-shaped plate; 6, telescopic rod; 7, second arc-shaped plate; 8, first tension spring; 9, second tension spring; 10, push-pull rod; 11, knob; 12, positioning hole; 13, pull ring; 14, limiting guard plate; 15, base. DETAILED DESCRIPTION

[0017] The technical solutions of the utility model will be described clearly and completely in connection with the drawings. In the description of the utility model, it should be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.

[0018] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] The utility model will be further described below in connection with the drawings.

[0020] Please refer to Figs. 1-3 The utility model discloses a coil winding clamp, which comprises an inner rotating pipe 1 and an open-close arc-shaped pipe arranged on the outer side of the circumference of the inner rotating pipe 1. The open-close arc-shaped pipe comprises a first arc-shaped plate 4 and a second arc-shaped plate 7. The number of the first arc-shaped plate 4 and the second arc-shaped plate 7 is two. The inner side of the two first arc-shaped plates 4 is fixedly connected with a movable plate 2. The movable plate 2 is slidably extended to the inner side of the inner rotating pipe 1. One end of the movable plate 2 is fixedly connected with a trapezoidal block 3. The two second arc-shaped plates 7 are connected with the inner rotating pipe 1 through a telescopic rod 6. The second arc-shaped plate 7 and the inner rotating pipe 1 are connected with the first tension spring 8 on the side of the telescopic rod 6.

[0021] As shown in Fig. 2 And Fig. 3 The first arc-shaped plate 4 and the inner rotating pipe 1 are connected with the second tension spring 9. One end of the inner rotating pipe 1 is slidably sleeved with a push-pull rod 10. The trapezoidal block 3 is a right trapezoidal structure. The inclined surface of the trapezoidal block 3 is matched with the push-pull rod 10. The end of the push-pull rod 10 is an isosceles trapezoidal structure. The push-pull rod 10 is provided with a positioning hole 12 on one end. The push-pull rod 10 is connected with a pull ring 13 on one end outside the inner rotating pipe 1. Then, the two trapezoidal blocks 3 on the inner rotating pipe 1 are synchronously pushed up and down. When the push-pull rod 10 is pulled out from the inner rotating pipe 1, the second arc-shaped plate 7 can be pulled by the first tension spring 8 only after the first arc-shaped plate 4 is pulled to the inner side of the second arc-shaped plate 7 by the second tension spring 9.

[0022] Wherein, the inner rotating tube 1 one end opposite positioning hole 12 one side threaded connection has knob 11, knob 11 threaded through to the inner rotating tube 1 inside one end inserts in the positioning hole 12 inside, the inner rotating tube 1 and push-pull rod 10 opposite end fixedly connected with the limiting baffle 14, the limiting baffle 14 and the inner rotating tube 1 opposite end middle part is connected with base 15, telescopic rod 6 is unpowered type, further can guarantee the second arc-shaped plate 7 force free telescopic, and telescopic rod 6 stretches the maximum position is the second arc-shaped plate 7 and first arc-shaped plate 4 split place.

[0023] Specifically, the utility model uses, first push pull rod 10 towards the inside of inner rotating tube 1, further push-pull rod 10 pushes trapezoidal block 3 outward, further trapezoidal block 3 moves along with movable plate 2, further movable plate 2 moves along with first arc-shaped plate 4 outward expansion, further first arc-shaped plate 4 will push second arc-shaped plate 7 when outward expansion, further when movable plate 2 pushes to the position, then first arc-shaped plate 4 and second arc-shaped plate 7 completely split together (at this time the positioning hole 12 on push-pull rod 10 is opposite knob 11), then twist knob 11 can be inserted in positioning hole 12, that is, can fix push-pull rod 10, then can be through the coil that the arc-shaped tube outside after splitting is expanded, after winding, only need to loosen knob 11, through pull ring 13 to pull push-pull rod 10 outward, further under the tension of first tension spring 8 and second tension spring 9 can pull second arc-shaped plate 7 and first arc-shaped plate 4 correspondingly to the side of inner rotating tube 1 and draw together, further can stop supporting the inside of the coil that winding is good, so as to facilitate personnel to take coil without injury.

[0024] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be considered as the protection scope of the utility model.

[0025] Other parts not detailed in the utility model belong to the prior art, so here is no longer elaborated.

[0026] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent substitution to part or all of the technical features;And these modifications or substitutions do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. A clamp for winding a coil, characterized in that, include: The inner rotating tube (1) and the opening and closing arc tube set on the outer side of the circumference of the inner rotating tube (1) include a first arc plate (4) and a second arc plate (7). There are two of each of the first arc plate (4) and the second arc plate (7). A movable plate (2) is fixedly connected to the inner side of each of the two first arc plates (4). The movable plate (2) slides to the inside of the inner rotating tube (1) and a trapezoidal block (3) is fixedly connected to one end. A telescopic rod (6) is connected between each of the two second arc plates (7) and the inner rotating tube (1). A first tension spring (8) is connected between the second arc plate (7) and the inner rotating tube (1) on one side of the telescopic rod (6).

2. The coil winding clamp as described in claim 1, characterized in that, A second tension spring (9) is connected between the first arc plate (4) and the inner rotating tube (1), and a push-pull rod (10) is slidably sleeved inside one end of the inner rotating tube (1).

3. A coil winding clamp as described in claim 1, characterized in that, The trapezoidal block (3) is a right-angled trapezoidal structure. The inclined surface of the trapezoidal block (3) matches the push-pull rod (10). The end of the push-pull rod (10) is an isosceles trapezoidal structure.

4. A coil winding clamp as described in claim 2, characterized in that, The push-pull rod (10) has a positioning hole (12) at one end, and a pull ring (13) is connected to the other end of the push-pull rod (10) outside the inner rotating tube (1).

5. A coil winding clamp as described in claim 1, characterized in that, One end of the inner rotating tube (1) is threadedly connected to a knob (11) on the side facing the positioning hole (12). The knob (11) is threaded through the inner rotating tube (1) and one end is inserted into the positioning hole (12).

6. A coil winding clamp as described in claim 1, characterized in that, The inner rotating tube (1) is fixedly connected to a limiting guard plate (14) at the opposite end of the push-pull rod (10), and a base (15) is connected to the middle of the limiting guard plate (14) at the opposite end of the inner rotating tube (1).

7. A coil winding clamp as described in claim 1, characterized in that, The telescopic rod (6) is a non-powered type.

Citation Information

Patent Citations

  • Coiling machine and wire winding anchor clamps thereof

    CN207719046U