CN212343595U

CN212343595U - Asymmetric stator coil winding structure

Info

Publication number: CN212343595U
Application number: CN202020837122.7U
Authority: CN
Inventors: 贾立锋; 郝建平; 张晓彬
Original assignee: Hebei Electric Motor Co ltd
Current assignee: Hebei Electric Motor Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-12
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses an asymmetric stator coil winding structure, which comprises a host, a chuck, a lead screw, a winding tool, a nut and a cushion block; the host drives the chuck to rotate; at least two positioning through grooves are uniformly distributed on the chuck along the central circumference; a screw rod is fixed in each of the two opposite positioning through grooves; the two lead screws fix the winding tool on the two lead screws through the cushion blocks and the nuts; the winding tool comprises at least two annular baffles, and an outlet end annular clamping block and a non-outlet end annular clamping block which are clamped between the adjacent annular baffles; the wire outlet end annular clamping block and the non-wire outlet end annular clamping block are respectively sleeved on the two screw rods and form an annular wire winding groove; the outer end of the annular clamping block at the wire outlet end is arc-shaped, and the opposite central angle is 91.17 degrees; the outer end of the annular clamping block at the non-outgoing line end is arc-shaped, and the range of the central angle is between 77.36 degrees and 91.17 degrees. The utility model discloses simple structure, wire winding are with low costs.

Description

Asymmetric stator coil winding structure

Technical Field

The utility model relates to a winding structure, especially an asymmetric stator coil winding structure.

Background

The processing of the motor is completed by a plurality of processes, and after the enameled wire is wound into the stator coil, the stator core is embedded into the enameled wire. However, the special slot structure of the stator core in the tractor is limited, and during the operation process, in the process of dividing the enameled wire at the non-outgoing end into the outgoing end by the wire arranging plate, the regularity of the enameled wire at the outgoing end is certainly inferior to that of the enameled wire at the non-outgoing end, and the situation of cross-line bodies appears at the outgoing end, so that the moving route of the conductor at the end part is increased. And the coil in the prior art is symmetrical, so that the reduction of half turn length of the coil for saving the enameled wire can cause the reduction of wire inserting efficiency, but the increase of half turn length can cause the waste of the length of the enameled wire at the non-wire outlet end. Although those skilled in the art have made improvements in winding structure with respect to winding cost, only the width of the annular winding groove is changed to control the amount of winding, which has a limit in cost reduction, and cannot simultaneously apply coil winding work of a plurality of stator cores of the same series.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an efficient and with low costs asymmetric stator coil winding structure of rule.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: an asymmetric stator coil winding structure comprises a host, a chuck, a lead screw, a winding tool, a nut and a cushion block; the host drives the chuck to rotate; at least two positioning through grooves are uniformly distributed on the chuck along the central circumference; a screw rod is fixed in each of the two opposite positioning through grooves; the two lead screws fix the winding tool on the two lead screws through the cushion blocks and the nuts; the winding tool comprises at least two annular baffles, and an outlet end annular clamping block and a non-outlet end annular clamping block which are clamped between the adjacent annular baffles; the wire outlet end annular clamping block and the non-wire outlet end annular clamping block are respectively sleeved on the two screw rods and form an annular wire winding groove; the outer end of the annular clamping block at the wire outlet end is arc-shaped, and the opposite central angle is 91.17 degrees; the outer end of the annular clamping block at the non-outgoing line end is arc-shaped, and the range of the central angle is between 77.36 degrees and 91.17 degrees.

In the winding structure of the asymmetric stator coil, the annular clamping block at the outgoing line end is provided with a strip-shaped outgoing line end guide groove; the wire outlet end annular clamping block is sleeved on the screw rod opposite to the wire outlet end annular clamping block through the wire outlet end guide groove, and the wire outlet end annular clamping block can move towards the outer end or the inner end on the screw rod.

In the asymmetric stator coil winding structure, the inner side surface of the ring-shaped lead-out clamping block is provided with the lead-out end positioning block; a plurality of wire outlet end positioning grooves are formed in the outer side surface of the annular baffle from inside to outside; the wire outlet end positioning block can be inserted into any wire outlet end positioning groove.

In the winding structure of the asymmetric stator coil, the annular clamping block at the non-outgoing line end is provided with a strip-shaped guide groove at the non-outgoing line end; the non-outgoing-line-end annular clamping block is sleeved on the lead screw opposite to the non-outgoing-line-end annular clamping block through the non-outgoing-line-end guide groove, and the non-outgoing-line-end annular clamping block can move towards the outer end or the inner end on the lead screw.

In the asymmetric stator coil winding structure, the inner side surface of the ring-shaped clamping block at the non-outgoing line end is provided with the positioning block at the non-outgoing line end; the outer side surface of the annular baffle is provided with a plurality of non-leading-out terminal positioning grooves from inside to outside; the non-leading-out terminal positioning block can be inserted into any non-leading-out terminal positioning groove.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses a wire winding frock of asymmetric with the stator coil of coiling, under the width certain condition, has reduced its radian at the non-leading-out terminal in the hauler, has realized stator coil at the asymmetry at annular both ends, has reduced the wire winding volume of stator coil at the non-leading-out terminal in the hauler. The utility model discloses simple structure, wire winding are with low costs.

The utility model also sets a combined winding tool to respectively set a leading-out terminal guide groove, a leading-out terminal positioning block, a non-leading-out terminal guide groove and a non-leading-out terminal positioning block on the leading-out terminal annular clamping block and the non-leading-out terminal annular clamping block which form the annular winding groove to match with the positioning groove on the annular baffle; the length of the stator coil is changed so as to be suitable for processing motors with the same punching sheets and different iron lengths in the traction machine; the utility model discloses the adaptation wide range, the wire winding is efficient.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the winding tool of the present invention;

FIG. 3 is a sectional view of the winding tool of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the structure of the ring clamp block at the outlet end of the present invention;

fig. 6 is a schematic view of the non-outlet end ring clamp block of the present invention.

The reference numbers in the figures are: 1-a host; 2-a chuck; 3-an auxiliary support; 4-a screw rod; 5-winding tooling, 5-1-inner annular baffle, 5-2-outlet end annular clamping block and 5-3-non-outlet end annular clamping block; 6-a nut; 7-cushion block; 8-a line outlet end positioning groove; 9-positioning holes; 10-a wire outlet end positioning block; 11-leading-out terminal guide groove; 12-non-outgoing line end guide groove; 13-non-leading-out terminal positioning block; 14-non-leading-out terminal positioning groove.

Detailed Description

Referring to fig. 1, 2, 3, 4, 5 and 6, the asymmetric stator coil winding structure includes a main machine 1, a chuck 2, a lead screw 4, a winding tool 5, a nut 6 and a spacer 7. The host 1 is fixedly connected with the center of the chuck 2 through a rotating shaft and drives the chuck 2 to rotate. The chuck 2 is disc-shaped, and two positioning through grooves which are uniformly distributed along the central circumference are at least arranged on two end faces. And when the distance required by the two screw rods 4 exceeds the range of the chuck 2, the auxiliary support 3 can be fixedly connected in the positioning through groove of the chuck 2 and used for fixing the screw rods 4. The two screw rods 4 are respectively in threaded connection with a cushion block 7 from inside to outside, are jointly sleeved with a winding tool 5 and are respectively in threaded connection with a nut 6. The two cushion blocks 7 and the two nuts 6 clamp the winding tool 5 together at the inner side and the outer side. The winding tool 5 at least comprises two annular baffles 5-1, an outgoing line end annular clamping block 5-2 and a non-outgoing line end annular clamping block 5-3 which are clamped in the middle; an outlet end annular clamping block 5-2 and a non-outlet end annular clamping block 5-3 are clamped between the adjacent annular baffles 5-1. Two positioning holes 9 are formed in each annular baffle 5-1, and the two screw rods 4 respectively penetrate through the two positioning holes 9 to realize sleeving connection of the two. The annular baffle 5-1 is in a long plate shape, one surface facing the cushion block 7 is an inner side surface, and one surface facing the nut 6 is an outer side surface. The annular baffle 5-1 is equally divided into a wire outlet part and a non-wire outlet part along the length direction, and the wire outlet end annular clamping blocks 5-2 or the non-wire outlet end annular clamping blocks 5-3 are correspondingly clamped between the wire outlet parts or the non-wire outlet parts of the adjacent annular baffles 5-1 respectively. The outgoing part and the non-outgoing part of the outer side surface of the annular baffle 5-1 are respectively provided with a plurality of outgoing line end positioning grooves 8 and a plurality of non-outgoing line end positioning grooves 14; the line outlet end positioning grooves 8 and the non-line outlet end positioning grooves 14 are respectively arranged from inside to outside along the length direction of the annular baffle 5-1. The wire outlet end annular clamping block 5-2 and the non-wire outlet end annular clamping block 5-3 are both U-shaped plate-shaped structures, openings of the opposite wire outlet end annular clamping block 5-2 and the non-wire outlet end annular clamping block 5-3 are opposite to form an annular winding structure, two opposite ends of the wire outlet end annular clamping block 5-2 and the non-wire outlet end annular clamping block 5-3 are inner ends in the length direction, and the other two opposite ends are outer ends. The hollow part of the outlet end annular clamping block 5-2 is an outlet end guide groove 11, and an opening of the outlet end guide groove 11 is inwards sleeved in one screw rod 4 and can move towards the outer end or the inner end on the screw rod 4; the outer end is an arc-shaped plate structure, a wire outlet end positioning block 10 is arranged on the inner side surface of the arc-shaped plate structure, and the wire outlet end positioning block 10 can be matched with and inserted into each wire outlet end positioning groove 8. The hollow part of the non-outgoing end annular clamping block 5-3 is a non-outgoing end guide groove 12, the opening of the non-outgoing end guide groove 12 faces inwards, and the non-outgoing end guide groove 12 is inserted into the other screw rod 4 in a sliding fit manner and can move towards the outer end or the inner end on the screw rod 4; the outer end is also an arc-shaped plate-shaped structure, a non-leading-out terminal positioning block 13 is arranged on the inner side surface of the arc-shaped plate-shaped structure, and the non-leading-out terminal positioning block 13 can be matched with and inserted into each non-leading-out terminal positioning groove 14. When the leading-out end positioning block 10 and the non-leading-out end positioning block 13 are inserted into the leading-out end positioning groove 8 and the non-leading-out end positioning groove 14 which are closest to the inner ends respectively, the inner ends of the leading-out end annular clamping block 5-2 and the non-leading-out end annular clamping block 5-3 are aligned to form an annular plate of a complete loop. The central angle corresponding to the arc-shaped section of the outlet end annular clamping block 5-2 is 91.17 degrees, and the central angle corresponding to the arc-shaped section of the non-outlet end annular clamping block 5-3 is more than or equal to 77.36 degrees and less than 91.17 degrees.

For a clearer description of the beneficial effects of the present invention, the following is specifically developed in connection with the winding process.

Referring to fig. 1, 2, 3, 4, 5 and 6, the asymmetric stator coil winding structure has the following steps according to the diagram: in the first step, two screw rods 4 are directly and fixedly connected in a positioning through groove on the chuck 2, or two screw rods 4 are fixedly connected through an auxiliary bracket 3. The second step is by interior to outer threaded connection cushion 7 in proper order on two lead screws 4, overlap and connect winding frock 5, threaded connection nut 6, the quantity of winding loop can be decided as required in winding frock 5 to can adjust the length of winding loop of winding frock 5 according to the stator size of a plurality of different motors in the same series, twist again after the adjustment of winding frock 5 finishes and move cushion 7 and nut 6 and fix winding frock 5, increased the adaptation scope of winding frock 5. And thirdly, opening the main machine 1, driving the chuck 2 to rotate under the original program setting, and driving the winding tool 5 to rotate by the chuck 2 to complete the winding work. In the process, the central angle of the arc section of the non-wire-outlet end of the wire winding tool 5 is smaller than that of the arc section of the wire-outlet end, so that the wire winding amount of the enameled wire is reduced.

Claims

1. The utility model provides an asymmetric type stator coil winding structure which characterized in that: the device comprises a host (1), a chuck (2), a lead screw (4), a winding tool (5), a nut (6) and a cushion block (7); the main machine (1) drives the chuck (2) to rotate; at least two positioning through grooves are uniformly distributed on the chuck (2) along the central circumference; a screw rod (4) is fixed in each of the two opposite positioning through grooves; the two lead screws (4) fix the winding tool (5) on the two lead screws through the cushion blocks (7) and the nuts (6); the winding tool (5) comprises at least two annular baffles (5-1), and an outlet end annular clamping block (5-2) and a non-outlet end annular clamping block (5-3) which are clamped between the adjacent annular baffles; the wire outlet end annular clamping block (5-2) and the non-wire outlet end annular clamping block (5-3) are respectively sleeved on the two screw rods (4) to form an annular winding groove; the outer end of the outlet end annular clamping block (5-2) is arc-shaped, and the opposite central angle is 91.17 degrees; the outer end of the annular clamping block (5-3) at the non-outgoing line end is arc-shaped, and the range of the central angle is greater than or equal to 77.36 degrees and less than 91.17 degrees.

2. The asymmetric stator coil winding structure as claimed in claim 1, wherein: a strip-shaped outlet end guide groove (11) is formed in the outlet end annular clamping block (5-2); the outgoing line end annular clamping block (5-2) is sleeved on the lead screw (4) opposite to the outgoing line end annular clamping block through the outgoing line end guide groove (11), and the outgoing line end annular clamping block (5-2) can move towards the outer end or the inner end on the lead screw (4).

3. The asymmetric stator coil winding structure as claimed in claim 2, wherein: a wire outlet end positioning block (10) is arranged on the inner side surface of the wire outlet end annular clamping block (5-2); a plurality of outlet end positioning grooves (8) are formed in the outer side surface of the annular baffle (5-1) from inside to outside; the outlet end positioning block (10) can be inserted into any outlet end positioning groove (8).

4. An asymmetric stator coil winding structure as claimed in claim 1, 2 or 3 wherein: a strip-shaped non-outgoing line end guide groove (12) is formed in the non-outgoing line end annular clamping block (5-3); the non-outgoing-line-end annular clamping block (5-3) is sleeved on the lead screw (4) opposite to the non-outgoing-line-end annular clamping block through the non-outgoing-line-end guide groove (12), and the non-outgoing-line-end annular clamping block (5-3) can move towards the outer end or the inner end on the lead screw (4).

5. The asymmetric stator coil winding structure as claimed in claim 4, wherein: a non-outlet end positioning block (13) is arranged on the inner side surface of the non-outlet end annular clamping block (5-3); a plurality of non-leading-out end positioning grooves (14) are formed in the outer side surface of the annular baffle (5-1) from inside to outside; the non-leading-out terminal positioning block (13) can be inserted into any non-leading-out terminal positioning groove (14).