CN218957536U

CN218957536U - Special motor structure for winding jig

Info

Publication number: CN218957536U
Application number: CN202222900864.1U
Authority: CN
Inventors: 唐溢泽
Original assignee: Shenzhen Dabo Industrial Co ltd
Current assignee: Shenzhen Dabo Industrial Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-05-02
Anticipated expiration: 2032-11-02

Abstract

The motor structure special for the winding jig comprises a motor and the winding jig, wherein a jig jack which does not penetrate through a motor shaft is arranged at the rear section of the motor shaft of the motor, a motor shaft front-back movement lock piece is arranged at the rear section of the motor shaft, and a motor shaft rotation lock piece is arranged at the rear end of the motor shaft; the jig comprises a jig shaft, a jig shaft front locking piece and a jig shaft back locking piece, wherein the jig shaft is arranged at the front section of the jig shaft and is matched with the motor shaft front and back moving locking piece, so that the jig shaft can move back and forth in the jig jack to be positioned and locked; the jig rotating locking piece is arranged at the front end of the jig shaft and matched with the motor shaft rotating locking piece, and is used for realizing the relative rotation, positioning and locking of the jig shaft in the jig jack, and the framework chuck is arranged at the rear end of the jig shaft and is used for connecting a framework. The technology furthest shortens the length of the cantilever from the winding framework to the bearing fixed end of the motor, reduces the defect that the winding shaft swings when the winding end bears the tension of a wire, is beneficial to realizing high-speed winding and improves the winding precision.

Description

Special motor structure for winding jig

Technical Field

The utility model relates to a winding mechanism of a transformer, in particular to a specific structure combining a winding motor and a winding jig.

Background

The specific structure of the transformer winding is shown in fig. 1, and is realized by adopting a servo or stepping motor 1, connecting a winding jig 2 with a motor shaft through a coupler 3, then installing a framework on a jig winding clamp head, and winding a wire on the framework through the rotation of the motor. One end of the coupler and the motor shaft are realized through jackscrew screws, and the other end of the coupler is connected with the jig, and is also in a structure of jackscrew screws. The connection of the jackscrew structure is poor in concentricity, and the error of the concentricity of the connection is larger due to the connection of multiple sections. The existing winding mode structure has the following defects:

1. the rotation of the framework passes through the winding chuck and the connector and then is connected with the motor shaft, so that concentricity is difficult to ensure.

2. The winding framework is to the bearing stiff end of motor, when the wire winding, belongs to cantilever structure, and the cantilever is long, and rigidity variation, when the wire winding, the wire winding end can take place the swing when bearing the pulling force of wire, and the precision is low.

3. Because the distance from the winding framework to the fixed end of the bearing of the motor is far, high-speed winding cannot be performed.

Disclosure of Invention

The utility model aims to design a winding jig and motor integrated structure with high concentricity of a motor winding shaft and high winding precision, which comprises a motor 1 and a winding jig 2, wherein a jig jack 100 which does not penetrate through a motor shaft is arranged at the rear section of the motor shaft 10 of the motor 1, a motor shaft front-back movement lock 11 is arranged at the rear section of the motor shaft 10, and a motor shaft rotation lock 12 is arranged at the rear end of the motor shaft 10; the winding jig 2 comprises a jig shaft 20, and a jig shaft front lock piece 21 which is arranged at the front section of the jig shaft and is used for being matched with the motor shaft front and back moving lock piece 11 to realize the front and back moving positioning locking of the jig shaft 20 in the jig jack 100; the jig shaft rotating lock piece 22 is arranged at the front end of the jig shaft and matched with the motor shaft rotating lock piece 12, is used for realizing relative rotation, positioning and locking of the jig shaft 20 in the jig insertion hole 100, and the framework chuck 23 is arranged at the rear end of the jig shaft 20 and is used for connecting a framework.

Further, in the motor structure special for a winding jig, the motor shaft of the motor structure moves the locking member 11 back and forth and comprises more than two steel ball locking positioning holes 110 uniformly distributed on the motor shaft 10, locking steel balls 111 arranged in the steel ball locking positioning holes 110, and a locking slip ring pull ring 112 for limiting the locking steel balls 111, so that the locking slip ring pull ring 112 can be kept at a locking return spring 113 for keeping the locking steel balls 111 in a locking state; the front locking piece 21 of the jig shaft is an annular clamping groove which is arranged at the front section of the jig shaft 20 and can be used for clamping the locking steel balls 111.

Further, in the motor structure special for the winding jig, the motor shaft rotating lock 12 is more than one concave groove arranged at the rear end of the motor shaft 10; the jig shaft rotating lock 22 is a convex column matched with a concave groove arranged at the rear end of the motor shaft 10.

Further, in the motor structure special for a winding jig, a positioning table 24 for reference positioning and matching with the front end face 13 of a motor shaft is arranged on the front section of a jig shaft rotating lock member 22 on the jig shaft 20.

The utility model has the advantages that the length from the winding framework to the cantilever at the fixed end of the bearing of the motor is shortened to the greatest extent, the defect that the winding shaft swings when the winding end bears the tension of a wire is reduced, the high-speed winding is realized, and the winding precision is improved.

Drawings

FIG. 1 is a schematic perspective view of the prior art;

FIG. 2 is a schematic perspective view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the motor and jig of the present utility model;

FIG. 4 is a schematic cross-sectional view of the motor of the present utility model in combination with a jig;

fig. 5 is an enlarged schematic view of a portion a in fig. 3.

Detailed Description

As shown in fig. 2 to 5, in this embodiment, a fixture insertion hole 100 for inserting a fixture shaft 20 is provided at the rear section of the motor shaft 10 of the motor 1, and does not penetrate the motor shaft. The jig shaft 20 of the winding jig 2 and the skeleton clamping head 23 arranged at the front end of the jig shaft 20 and used for connecting with the skeleton are of an integrated structure.

The rear section of the motor shaft 10 is provided with a motor shaft front-back movement lock 11, and the rear end of the motor shaft 10 is provided with a motor shaft rotation lock 12; the winding jig 2 comprises a jig shaft 20, and a jig shaft front lock piece 21 which is arranged at the front section of the jig shaft and is used for being matched with the motor shaft front and back moving lock piece 11 to realize the front and back moving positioning locking of the jig shaft 20 in the jig jack 100; the jig shaft rotating lock piece 22 is arranged at the front end of the jig shaft and matched with the motor shaft rotating lock piece 12, is used for realizing relative rotation, positioning and locking of the jig shaft 20 in the jig insertion hole 100, and the framework chuck 23 is arranged at the rear end of the jig shaft 20 and is used for connecting a framework.

The jig shaft 20 is inserted into a jig jack 100 of a motor shaft, and a locking steel ball 111 arranged in a steel ball locking positioning hole 110 is clamped into a concave annular jig shaft front locking piece 21 arranged at the front section of the jig shaft 20 under the action of a locking return spring 113 and a locking slip ring pull ring 112; at this time, the positioning table 24 provided on the jig shaft 20 abuts against the front end face 13 of the motor shaft, and the male cylindrical jig shaft rotation lock 22 is engaged into the female groove type motor shaft rotation lock 12 provided at the rear end of the motor shaft 10. When the winding jig 2 needs to be pulled out of the motor shaft jig jack 100, the lock catch slip ring pull ring 112 is pulled forward, the lock catch return spring 113 is compressed at the moment, the lock catch slip ring pull ring 112 releases the limit on the lock catch steel balls 111, the lock catch steel balls 111 are extruded under the action of pulling out force and are separated from the concave groove of the jig shaft front locking piece 21, and the winding jig 2 is pulled out of the motor shaft jig jack 100. When the technology is particularly and practically used, the framework clamping heads 23 are processed into an adaptive shape according to the different frameworks 4, and the elasticity is adjusted through cross or straight slotting in the prior art, so that the clamping heads are matched with the frameworks well.

Claims

1. The motor structure special for the winding jig comprises a motor (1) and a winding jig (2), and is characterized in that a jig insertion hole (100) which does not penetrate through a motor shaft (10) of the motor (1) is formed in the rear section of the motor shaft, a motor shaft front-back moving lock (11) is arranged in the rear section of the motor shaft (10), and a motor shaft rotating lock (12) is arranged at the rear end of the motor shaft (10); the winding jig (2) comprises a jig shaft (20), and a jig shaft front lock piece (21) which is arranged at the front section of the jig shaft and is used for being matched with the motor shaft front and back moving lock piece (11) to realize the front and back moving positioning locking of the jig shaft (20) in the jig jack (100); the jig shaft rotating locking piece (22) is arranged at the front end of the jig shaft and matched with the motor shaft rotating locking piece (12) and used for realizing relative rotation positioning locking of the jig shaft (20) in the jig insertion hole (100), and the framework chuck (23) is arranged at the rear end of the jig shaft (20) and used for being connected with a framework.

2. The motor structure special for the winding jig according to claim 1, wherein the motor shaft front-back movement lock member (11) comprises more than two steel ball locking positioning holes (110) uniformly distributed on the motor shaft (10), locking steel balls (111) arranged in the steel ball locking positioning holes (110), and a locking slip ring pull ring (112) for limiting the locking steel balls (111), wherein the locking slip ring pull ring (112) can be kept in a locking return spring (113) for keeping the locking steel balls (111) in a locking state; the front locking piece (21) of the jig shaft is an annular clamping groove which is arranged at the front section of the jig shaft (20) and can be used for clamping the locking steel balls (111).

3. The motor structure special for the winding jig according to claim 1 or 2, wherein the motor shaft rotation lock (12) is one or more concave grooves arranged at the rear end of the motor shaft (10); the jig shaft rotating lock piece (22) is a convex column matched with a concave groove arranged at the rear end of the motor shaft (10).

4. The motor structure special for a winding jig according to claim 1 or 2, wherein a positioning table (24) for reference positioning and matching with a front end surface (13) of a motor shaft is provided on a front section of a jig shaft rotating lock member (22) on the jig shaft (20).