Edgewise winding die for round-head-shaped pole coil

Abstract

The utility model relates to the technical field of water turbines, and discloses a round-head-shaped pole coil edgewise winding die which comprises an R-angle guide wheel, an upper disc, a fixing disc, a limiting block and a material pressing plate, the R-angle guide wheel is fixedly connected with an edgewise winding machine, and the round-head-shaped pole coil edgewise winding die is characterized in that a cutting table a is arranged at the end, close to a feeding port, of the material pressing plate and is tangent to the R-angle guide wheel, and the R-angle guide wheel is fixedly connected with the upper disc. An extending end is arranged on the lower end face of the upper disc, a cutting table b is arranged at the extending end, and the cutting table b is tangent to the R-angle guide wheel. The winding device is suitable for a horizontal generator set with small unit capacity, and a round head structure with two semicircular arc ends and a linear middle part is quickly and efficiently wound.

Description

Technical Field

[0001] The utility model relates to the technical field of water turbines, in particular to a round-head-shaped magnetic pole coil flat winding die. Background Art

[0002] The pole coil is an important part of the hydro-generator set, and its structure is mainly divided into several types: four-corner arc structure, round head structure, rectangular structure, etc. The pole coil adopts the winding forming method, and tooling is required to assist in the winding process. At present, most of the pole coils have a four-corner arc structure or a rectangular structure, and the tooling for winding the above two structures is relatively mature.

[0003] Chinese document CN209881618U discloses a flat-winding structure for a magnetic pole coil, comprising an upper plate and a limit block connected to a flat-winding machine, a fixed plate arranged on the lower end face of an R guide wheel of the flat-winding machine, and a limit block located on the side walls of the R guide wheel and the limit block, and is characterized in that: a pressing plate is arranged between the fixed plate and the upper plate, the lower end face of the pressing plate is connected to the step of the fixed plate, and the upper end face of the pressing plate and the upper end face of the fixed plate are located in the same horizontal plane; the pressing plate is a split structure, and an inclined surface is arranged on the split pressing plate close to the limit block side, and the inclined surface and the side wall of the R guide wheel together constitute an inclined groove for accommodating the thickened part of the copper bar.

[0004] The prior art has the following disadvantages: in order to be applicable to horizontal generator sets with smaller unit capacity, a round-head structure needs to be manufactured, but for the magnetic pole coils with a round-head structure having semicircular arcs at both ends and a straight line in the middle, the incoming and outgoing wires are currently controlled manually, which not only has low efficiency, but also has a higher cost. Therefore, in order to improve the winding efficiency of the round-head magnetic pole coils, reduce costs, and improve the utilization rate of the flat winding machine. Utility Model Content

[0005] In order to solve the technical problem of how to quickly and efficiently wind a magnetic pole coil with a round head structure having semicircular arcs at both ends and a straight line in the middle, the utility model provides a round-head magnetic pole coil flat winding die, comprising an R-angle guide wheel, an upper disk, a fixed disk, a limit block, and a pressure plate, wherein the R-angle guide wheel is fixedly connected to a flat winding machine, and is characterized in that: a cutting platform a is arranged at one end of the pressure plate close to a feed inlet, the cutting platform a is tangent to the R-angle guide wheel, an extension end is arranged on the lower end surface of the upper disk, a cutting platform b is arranged on the extension end, and the cutting platform b is tangent to the R-angle guide wheel.

[0006] Preferably, the direction of the cutting stage a extends along two ends of the pressing plate, and the direction of the cutting stage b extends along two ends of the extending end.

[0007] To facilitate guiding, the pressing plate includes a front pressing plate and a rear pressing plate. The front end face of the front pressing plate is arc-shaped, and the upper end face of the arc and the upper end face at the connection between the front pressing plate and the rear pressing plate are both provided with an inclined surface.

[0008] In order to limit the product's external dimensions and avoid product size deviation caused by rebound, the limit block is fixedly connected to the flat winding machine, the left side wall of the limit block contacts the right side wall of the pressing plate, and the limit block is rectangular in shape.

[0009] To facilitate connection and fixation, the upper plate is circumferentially fixed to the large diameter section of the R angle guide wheel, the fixed plate is circumferentially fixed to the small diameter section of the R angle guide wheel, the upper end diameter of the fixed plate is equal to the diameter of the large diameter section of the R angle guide wheel, and the pressure plate is circumferentially fixed to the lower end diameter of the fixed plate.

[0010] The utility model has the following beneficial effects:

[0011] 1. The utility model of the round-headed magnetic pole coil flat winding die can produce a magnetic pole coil with a round-head structure with semicircular arcs at both ends and a straight line in the middle, which reduces costs, shortens working hours, improves the utilization rate and production efficiency of the flat winding machine, and reduces the impact of human factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of an embodiment of a round-head-shaped magnetic pole coil flat-wound mold;

[0013] Figure 2 for Figure 1 Middle AA section view;

[0014] Figure 3 is a schematic diagram of the upper plate and the cutting table b;

[0015] Figure 4 for Figure 4 Side view of

[0016] Figure 5 Schematic diagram of the pressing plate;

[0017] Figure 6 for Figure 5 Side view of

[0018] Figure 7 Schematic diagram of a round-headed magnetic pole coil. DETAILED DESCRIPTION

[0019] The following is further described in detail through specific implementation methods:

[0020] 1. The reference numerals in the drawings of the specification include: upper plate 1, fixed plate 2, feed port 3, R-angle guide wheel 4, cutting table a5, pressing plate 6, front pressing plate 6a, rear pressing plate 6b, limiting block 7, cutting table b8, extension end 9, inclined surface 10.

[0021] Example 1

[0022] like Figure 1-7 As shown, a round-headed magnetic pole coil flat winding mold includes an R-angle guide wheel 4, an upper plate 1, a fixed plate 2, a limit block 7, and a pressure plate 6. The R-angle guide wheel 4 is fixedly connected to the flat winding machine. The pressure plate 6 is provided with a cutting table a5 at one end close to the feed port 3, and the cutting table a5 is tangent to the R-angle guide wheel 4. The lower end surface of the upper plate 1 is provided with an extension end 9, and a cutting table b8 is provided on the extension end 9. The cutting table b8 is tangent to the R-angle guide wheel 4.

[0023] The cutting stage a5 extends in a direction along two ends of the pressing plate 6 , and the cutting stage b8 extends in a direction along two ends of the extending end 9 .

[0024] The pressing plate 6 comprises a front pressing plate 6a and a rear pressing plate 6b. The front end surface of the front pressing plate 6a is arc-shaped. The upper end surface of the arc and the upper end surface of the connection between the front pressing plate 6a and the rear pressing plate 6b are both provided with an inclined surface 10.

[0025] The limit block 7 is fixedly connected to the flat winding machine, the left side wall of the limit block 7 contacts the right side wall of the pressing plate 6, and the limit block 7 is in a rectangular shape.

[0026] The upper plate 1 is circumferentially fixed to the large diameter section of the R-angle guide wheel 4, the fixed plate 2 is circumferentially fixed to the small diameter section of the R-angle guide wheel 4, the upper end diameter of the fixed plate 2 is equal to the diameter of the large diameter section of the R-angle guide wheel 4, and the pressing plate 6 is circumferentially fixed to the lower end diameter of the fixed plate 2.

[0027] The above is only an embodiment of the utility model. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, which will not affect the effect of the implementation of the utility model and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to explain the content of the claims.

Claims

1. A round-head magnetic pole coil flat-winding die, comprising an R-angle guide wheel (4), an upper plate (1), a fixed plate (2), a limit block (7), and a press plate (6), wherein the R-angle guide wheel (4) is fixedly connected to a flat-winding machine, and characterized in that: The pressing plate (6) is provided with a cutting platform a (5) at one end close to the feed port (3), and the cutting platform a (5) is tangent to the R-angle guide wheel (4). The lower end surface of the upper plate (1) is provided with an extension end (9), and a cutting platform b (8) is provided on the extension end (9), and the cutting platform b (8) is tangent to the R-angle guide wheel (4).

2. The round-head magnetic pole coil flat-wound die according to claim 1, characterized in that: The direction of the cutting platform a (5) extends along the two ends of the pressing plate (6), and the direction of the cutting platform b (8) extends along the two ends of the extending end (9).

3. The round-head magnetic pole coil flat-wound die according to claim 2, characterized in that: The pressing plate (6) comprises a front pressing plate (6a) and a rear pressing plate (6b); the front end surface of the front pressing plate (6a) is arc-shaped; the upper end surface of the arc and the upper end surface at the connection between the front pressing plate (6a) and the rear pressing plate (6b) are both provided with an inclined surface (10).

4. The round-head magnetic pole coil flat winding die according to any one of claims 1 to 3, characterized in that: The limit block (7) is fixedly connected to the flat winding machine, the left side wall of the limit block (7) is in contact with the right side wall of the pressing plate (6), and the shape of the limit block (7) is rectangular.

5. The round-head magnetic pole coil flat-wound die according to claim 4, characterized in that: The upper plate (1) is circumferentially fixed to the large diameter section of the R-angle guide wheel (4), the fixed plate (2) is circumferentially fixed to the small diameter section of the R-angle guide wheel (4), the upper end diameter of the fixed plate (2) is equal to the diameter of the large diameter section of the R-angle guide wheel (4), and the pressure plate (6) is circumferentially fixed to the lower end diameter of the fixed plate (2).

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