CN102170203B - T-shaped framework small motor rotor automatic winding device and "α" winding method - Google Patents

Abstract

The invention relates to an automatic T-shaped framework small motor rotor winding device. A winding feeding mechanism and a winding driving mechanism are arranged on a working bed plate; the winding feeding mechanism has a secondary feeding structure and comprises a feeding motor and a flying fork head driven by the secondary feeding structure, and the feeding motor drives the flying fork head towards the right to realize primary feeding by a first compression spring and continuously drives the flying fork head towards the right to realize secondary feeding by a second compression spring; a winding end air cylinder is arranged on an outer frame of the working bed plate, a piston of the winding end air cylinder is connected to a tooling fixing plate, a winding end guide pin is arranged on the tooling fixing plate, and the winding end guide pin is adaptive to a metal reversing sheet of a small motor rotor. In the invention, the winding end guide pin is utilized to wrap the front end of the metal reversing sheet and is combined with the secondary feeding of the flying fork head to realize the full-automatic winding of a T-shaped framework of the small motor rotor, and artificial winding is not needed, so that the labor intensity of workers is reduced, the production efficiency is greatly improved, and the pulling force of a tensioner in the winding process is uniform and stable, therefore, the winding quality is stable and unified.

Description

T-shaped framework small motor rotor automatic winding device and "α" winding method

technical field

The invention belongs to the technical field of automatic winding devices for motor rotors, in particular to an automatic winding device for T-shaped skeleton small motor rotors and a method for automatically completing the winding of metal commutator segment "α" heads.

Background technique

In the prior art, since the T-shaped frame small motor rotor automatic winding device cannot complete the process of winding a circle in the "α" shape at the neck of the metal commutator piece, that is, the head winding process, the enameled wire is automatically wound after the T-shaped After each slot of the rotor of the small skeleton motor, manual assistance is required to fold the enameled wire back on the metal commutator piece and then wind it around the neck of the commutator piece in an “α” shape. , so that the enameled wire is still tensioned, the flying fork head returns to the initial position, and continues to wind the next slot. Every time a groove is wound, it must be wound in an "α" shape at the neck of the commutator segment. There are many shortcomings in the rotor coil wound by this manual-assisted semi-automatic method: First, every time a T-shaped skeleton is wound, it must be wound in an "α" shape at the neck of the commutator piece. There are four main shafts, which means that the metal sheets on each main shaft need to be wound manually. There are three metal commutator segments on the rotor of a small motor. A batch of rotor winding (4 pieces) needs to be wound manually twelve times. , making the winding process complicated and labor-intensive, it is difficult to ensure the stability and consistency of the winding quality, and the production efficiency is low, resulting in an increase in production costs; second, the requirements for the tensioner are high, and the tension of the tensioner is insufficient. The enameled wire is not tightened when the T frame is formed, and the tension of the tensioner is too large, and it is easy to break the wire.

Contents of the invention

The present invention mainly solves the technical problems existing in the above-mentioned prior art, and provides an automatic winding device and winding method for a T-shaped skeleton small motor rotor.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: an automatic winding device for a T-shaped frame small motor rotor, including a worktable, and a winding feed mechanism and a winding drive are arranged on the worktable. Mechanism, the winding feeding mechanism is a two-stage feeding structure, including a feed motor and a flying fork head driven by it, and the feed motor drives the flying fork head to the right through the first compression spring to realize one-stage feeding, and the feeding The feeding motor continues to drive the flying fork head to the right through the second compression spring to realize the secondary feed; the outer frame of the worktable is provided with a wrapping head cylinder, the piston of the wrapping head cylinder is connected to the tooling fixing plate, and the tooling fixing plate is provided with a wrapping The head guide pin and the wrapping head guide pin are suitable for the metal commutator of the rotor of the small motor.

The T-shaped skeleton small motor rotor automatic winding device automatically completes the winding method of the metal commutator piece "α" as follows: when the T-shaped skeleton of the small motor rotor is rotated to the winding working position, the tooling limit block is limited on the small motor rotor In the groove on the right side, the head-wrapping cylinder drives the tooling fixing plate to move down, the groove of the head-wrapping guide pin on the tooling fixing plate just wraps the front end of the metal commutator plate, and the feed motor drives the flying machine to the right through the first compression spring. The fork head performs one-stage feed, and the servo motor drives the flying fork head to reversely rotate 150°-170°. Two-level feed, the enameled wire just crosses the arc-shaped end point of the wrapping guide pin, and then the flying fork head drives the enameled wire to rotate forward 60°-80°. At this time, the enameled wire is just completely embedded in the groove of the metal commutator. The process of winding the enameled wire in the shape of "α" at the neck of the commutator piece for one turn is completed.

The invention realizes the automatic winding of the T-shaped frame of the small motor rotor without manual winding, reduces the labor intensity of workers, and greatly improves the production efficiency. During the winding process, the tension of the tensioner is uniform and stable, so that the winding The quality is stable and uniform. The structure design of the invention is reasonable, the windings on the three T-shaped skeletons are evenly distributed, the dynamic balance of the rotor is good, the machine has manual and automatic, single-step and continuous options, and the manual single-step function is convenient for debugging and observing the operation of each step. The automatic continuous function gives full play to its effectiveness. The winding speed can be set from 0 to 2500r/min, the number of rotor rotations and the number of winding turns can be set, and the LCD touch screen of the robot machine interface displays the winding parameters clearly and conspicuously.

Description of drawings

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is a schematic structural view of part A enlarged in Fig. 1;

Fig. 3 is a top view structural diagram of the present invention during winding.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment: An automatic winding device for a T-shaped frame small motor rotor, including a worktable 1, a winding feed mechanism and a winding drive mechanism are arranged on the worktable 1, and the winding feed mechanism is a two-stage feed The structure includes the feed motor 16 and the flying fork head 6 driven by it. The feed motor 16 drives the flying fork head 6 to the right through the first compression spring 23 to realize the primary feeding. The feed motor 16 passes the second compression spring 24 Continue to drive the flying fork head 6 to the right to realize the secondary feed; the outer frame 21 of the worktable 1 is provided with a wrapping head cylinder 7, and the piston of the wrapping head cylinder 7 is connected to the tooling fixing plate 20, and the tooling fixing plate 20 is provided with a wrapping head cylinder 7. The head guide pin 8, the head guide pin 8 and the metal commutator piece 10 of the small motor rotor 9 are compatible.

The operation process of the present invention is as follows: the small motor rotor to be wound is manually placed on the bracket 11 of the feeding frame 14, and the flexible spring collet 22 provided on the top of the bracket 11 fixes the small motor rotor 9 at the initial position. position, the cylinder 13 and the cylinder 26 are used as a secondary platform to push the tooling limit block 12 to move to the left, and the limit is in the right groove of the small motor rotor 9; the feed motor 16 drives the spindle box 19 through the ball screw 4 Move to the right along the slide rail 3, so that the die head 5 is on the left side of the small motor rotor 9, so that the first T-shaped skeleton of the small motor rotor 9 to be wound is in the winding working position; the clamping mechanism clamps the enameled wire At the end, the servo motor 17 drives the winding main shaft 2 to rotate together through the synchronous belt 18, and the flying fork head 6 carries the enameled wire with the relatively small motor rotor to rotate and wind the wire. At the same time, the feed motor 16 drives the flying fork head 6 to reciprocate left and right to make the enameled wire uniform Distributed on the T-shaped skeleton, the servo motor 17 stops rotating after reaching the preset number of turns. The feed motor 16 drives the flying fork head 6 to move to the left, the feed motor 16 drives the spindle box 9 to move to the left along the slide rail 3 through the ball screw 4, and the die head 5 also moves to the left, limiting the first cylinder 13 and the second The second cylinder 26 pulls the tooling limit block 12 to move to the right, fully loosens the small motor rotor 9, and the indexing motor 15 drives the flexible collet 22 to turn 120° through the dividing head 25 and the bracket 11, and lowers the small motor rotor 9. A group of T-shaped skeletons rotate to the winding working position, and then the first cylinder 13 and the second cylinder 26 act as a secondary platform to push the tooling limit block 12 to move to the left, and the limit is on the right side of the small motor rotor 9, and the head-winding cylinder 7 Drive the tooling fixing plate 20 to move down, the groove of the wrapping guide pin 8 on the tooling fixing plate 20 just wraps the front end of the metal commutator plate 10, and the feed motor 16 drives the flying fork head 6 to the right through the first compression spring 23 Carry out one-level feeding, servo motor 17 drives flying fork head 6 to reversely rotate 150°-170°, at this moment, enameled wire just wraps around wrapping head guide pin 8, and feed motor 16 continues to drive flying fork head 6 to the right through second compression spring 24. The fork head 6 performs secondary feeding, the enameled wire just crosses the arc-shaped end point of the wrapping guide pin 8, and then the flying fork head 6 drives the enameled wire to rotate forward by 60°-80°, at this time the enameled wire is just completely embedded in the metal commutator In the groove of 10, the process of winding the enameled wire in the "α" shape at the neck of the metal commutator piece 10 is completed, the cylinder 7 drives the wrapping guide pin 8 to reset, and then the flying fork head drives the enameled wire to be wound on the group T on the skeleton. Repeat the above action process, and after the three sets of T-shaped skeletons have completed the winding and the three commutation pieces have completed the winding and wrapping, use tooling scissors to cut the wires. The feed motor 16 drives the die head 5 to move to the left, limit the first cylinder 13 and the second cylinder 26 to pull the tooling limit block 12 to move to the right, completely loosen the small motor rotor 9, and the elastic chuck 11 releases the small motor rotor 9, Manually take out the wound rotor coil, and enter the next rotor winding work.

Finally, it should be pointed out that the above embodiments are only representative examples of the present invention. Obviously, the present invention is not limited to the above-mentioned embodiments, and many variations are possible. All simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention shall be deemed to belong to the protection scope of the present invention.

Claims (2)

1. An automatic winding device for a T-shaped skeleton small motor rotor, including a worktable (1), on which a winding feed mechanism and a winding drive mechanism are arranged, characterized in that the winding The feed mechanism is a two-stage feed structure. The outer frame (21) of the worktable (1) is provided with a wrapping head cylinder (7). A wrapping guide pin (8) is provided on the plate (20), and the wrapping guide pin (8) is adapted to the metal commutator piece (10) of the rotor (9) of the small motor; Feed the motor (16) and the fly fork head (6) driven by it, the feed motor (16) drives the fly fork head (6) to the right through the first compression spring (23) to realize the first-level feed, and the feed motor ( 16) Continue to drive the flying fork head (6) to the right through the second compression spring (24) to realize the secondary feed. 2. According to claim 1, the T-shaped frame small motor rotor automatic winding device automatically completes the method of wrapping the metal commutator piece "α", which is characterized in that the method is: the T-shaped winding of the small motor rotor (9) The skeleton rotates to the winding working position, the tooling limit block (12) is limited in the right groove of the small motor rotor (9), the head wrapping cylinder (7) drives the tooling fixing plate (20) to move down, and the tooling fixing plate The groove of the head wrapping guide pin (8) on (20) just wraps the front end of the metal commutator (10), and the feed motor (16) drives the flying fork head (6) to the right through the first compression spring (23) Carry out one-level feeding, the servo motor (17) drives the flying fork head (6) to rotate in reverse 150°-170°, at this time the enameled wire just wraps around the wrapping head guide pin (8), and the feed motor (16) passes through the second The compression spring (24) continues to drive the flying fork head (6) to the right for secondary feed, the enameled wire just crosses the arc-shaped end point of the wrapping guide pin (8), and then the flying fork head (6) drives the enameled wire to rotate forward for 60 °-80°, now the enameled wire is just completely embedded in the groove of the metal commutator (10), and the process of winding the enameled wire in the shape of "α" at the neck of the metal commutator (10) is completed.

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