A servo roller frame for stator core wire embedding

By designing a servo roller frame, the problem of difficulty in achieving accurate positioning and automated welding of the stator core in line insertion operation is solved, and the precise rotation positioning and automatic shaping, shearing, bending and welding of the stator core is achieved, improving the Production efficiency and product quality.

CN111277085BActive Publication Date: 2025-02-14SHANXI FENXI HEAVY IND CO LTD
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Patent Information

Application Number
CN202010308364.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-04-18
Publication Date
2025-02-14
Estimated Expiration
2040-04-18

AI Technical Summary

Technical Problem

In the production process of marine generators, it is difficult to achieve precise positioning and automated welding and assembly of the stator core, especially on mass production and automated assembly lines.

Method used

A servo roller frame is designed to achieve accurate rotational positioning and automatic shaping, shearing, bending and welding of the stator core through the guide rail base, support movable frame, lead screw and drive motor on the left and right.

Benefits of technology

The device can accurately adjust and rotate position according to the length of the stator core, which significantly facilitates the implementation of the wire embedding process, and realizes automatic shaping and welding of the ends of the stator winding of the motor, improving production efficiency and product quality.

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    Figure CN111277085B_ABST
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Abstract

The present invention discloses a servo roller frame for stator core wire embedding, which solves the problem of convenient operation and accurate positioning of large generator stator core wire embedding. The servo roller frame comprises a left guide rail base (1) and a stator core (12), a left rear roller bracket (7) and a left front roller bracket (9) are respectively arranged on the top surface of the left support movable frame (6), a left rear roller (8) is arranged on the left rear roller bracket (7), a left front roller (10) is arranged on the left front roller bracket (9), a left front roller drive motor (11) is connected to the wheel axle of the left front roller (10), a right front roller bracket (19) and a right rear roller bracket are respectively arranged on the right support movable frame (17), and a right front roller (18) and a right rear roller are arranged on the right front roller bracket (19). The servo roller frame can realize the automatic shaping, bending, shearing and welding of the end of the motor stator winding, improve the efficiency of the winding embedding process, and improve the product quality.
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Description

Technical Field

[0001] The invention relates to a tool, in particular to a tool used for inserting wires in a stator core of a generator. Background Art

[0002] Marine generators are used in ship power systems and are important supporting equipment for ship power systems. Among them, 3MW and 5MW are in greater demand and need to be mass-produced. This type of electronic core is made of stacked selenium steel punching sheets, with positioning rings at both ends of the cylindrical core, ribs at equal intervals on the outer side of the cylindrical core, and coil embedding grooves on the inner side of the stator core. For the fixed core, the next process is to embed the copper flat wire coil into the coil groove on the inner side of the stator core. After the embedding is completed, the winding wire head must be shaped, sheared, bent and welded. Due to the large volume and weight of the stator core, how to facilitate the on-site embedding operation and conveniently complete the shaping, shearing, bending and welding of the winding wire head has become a problem that needs to be solved on site, especially in mass automated production, how to meet the precise positioning requirements of the motor stator coil on the assembly line, and then realize the automated welding and assembly of the motor stator winding, has also become an urgent problem that needs to be solved on site. Summary of the invention

[0003] The present invention provides a servo roller frame for stator core wire embedding, which solves the technical problems of convenient operation and precise positioning of the stator core of a large generator during wire embedding.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] A servo roller frame for stator core wire embedding comprises a left guide rail base and a stator core, a left positioning ring is arranged at the left end of the stator core, a right positioning ring is arranged at the right end of the stator core, rib plates are arranged at intervals on the outer surface of the stator core, two left and right horizontal guide rails are fixedly arranged on the left guide rail base, a left supporting movable frame is movably arranged on the two left and right horizontal guide rails, a left lead screw is arranged between the two left and right horizontal guide rails, a left lead screw nut is arranged on the left lead screw, the left lead screw nut is fixedly connected to the lower bottom surface of the left supporting movable frame, and the left lead screw nut is fixedly connected to the lower bottom surface of the left supporting movable frame. A left lead screw drive motor is connected to the lever; a right guide rail base is arranged on the right side of the left guide rail base, a right supporting movable frame and a driving support device thereof which are the same as those on the left side are arranged on the right guide rail base, a left rear roller bracket and a left front roller bracket are respectively arranged on the top surface of the left supporting movable frame, a left rear roller is arranged on the left rear roller bracket, a left front roller is arranged on the left front roller bracket, a left front roller is connected to the wheel axle of the left front roller with a left front roller drive motor, a right front roller bracket and a right rear roller bracket are respectively arranged on the right supporting movable frame, and a right front roller and a right rear roller are arranged on the right front roller bracket.

[0006] A left tooling ring is arranged on the outside of the left positioning ring, and the left tooling ring is fixedly arranged on the outer side of the left end of the rib plate; a right tooling ring is arranged on the outside of the right positioning ring, and the right tooling ring is fixedly arranged on the outer side of the right end of the rib plate; the stator core is movably mounted between the left rear roller and the left front roller through the left tooling ring, and the stator core is movably mounted between the right rear roller and the right front roller through the right tooling ring.

[0007] The present invention can accurately adjust and position the two support frames according to the length of the stator core, and realize accurate rotational positioning of the core by a roller-driven motor, which greatly facilitates the implementation of the wire embedding process, especially can realize the automated shaping, bending, shearing and welding of the motor stator winding ends, improve the efficiency of the winding embedding process, and enhance product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0009] The present invention is described in detail below in conjunction with the accompanying drawings:

[0010] A servo roller frame for stator core wire embedding, comprising a left guide rail base 1 and a stator core 12, a left positioning ring 14 is arranged at the left end of the stator core 12, a right positioning ring is arranged at the right end of the stator core 12, rib plates 13 are arranged at intervals on the outer surface of the stator core 12, two left horizontal guide rails 2 are fixedly arranged on the left guide rail base 1, a left support moving frame 6 is movably arranged on the two left horizontal guide rails 2, a left lead screw 3 is arranged between the two left horizontal guide rails 2, a left lead screw nut 4 is arranged on the left lead screw 3, the left lead screw nut 4 is fixedly connected to the lower bottom surface of the left support moving frame 6, and a left lead screw nut 4 is fixedly connected to the lower bottom surface of the left support moving frame 6 on the left lead screw 3. A left lead screw drive motor 5 is connected; a right guide rail base 16 is arranged on the right side of the left guide rail base 1, and a right supporting movable frame 17 and a driving support device thereof which are the same as those on the left side are arranged on the right guide rail base 16; a left rear roller bracket 7 and a left front roller bracket 9 are respectively arranged on the top surface of the left supporting movable frame 6, a left rear roller 8 is arranged on the left rear roller bracket 7, a left front roller 10 is arranged on the left front roller bracket 9, a left front roller drive motor 11 is connected to the wheel axle of the left front roller 10, a right front roller bracket 19 and a right rear roller bracket are respectively arranged on the right supporting movable frame 17, and a right front roller 18 and a right rear roller are arranged on the right front roller bracket 19.

[0011] A left tooling ring 15 is arranged on the outside of the left positioning ring 14, and the left tooling ring 15 is fixedly arranged on the outer side of the left end of the rib plate 13. A right tooling ring 20 is arranged on the outside of the right positioning ring, and the right tooling ring 20 is fixedly arranged on the outer side of the right end of the rib plate 13. The stator core 12 is movably mounted between the left rear roller 8 and the left front roller 10 through the left tooling ring 15, and the stator core 12 is movably mounted between the right rear roller and the right front roller 18 through the right tooling ring 20.

[0012] By controlling the left screw drive motor 5, the left side supporting movable frame 6 can be accurately moved in the left and right horizontal directions, so as to adapt to the length requirements of the stator core of different motor models. In the processes of wire embedding, shaping, bending, shearing, welding, etc., by controlling the left front roller drive motor 11, the entire stator core 12 can be rotated on four rollers to meet the coordination requirements of automatic shaping and welding equipment, thereby realizing automated production.

Claims

1. A servo roller frame for stator core wire embedding, comprising a left guide rail base (1) and a stator core (12), a left positioning ring (14) being arranged at the left end of the stator core (12), a right positioning ring being arranged at the right end of the stator core (12), rib plates (13) being arranged at intervals on the outer surface of the stator core (12), two left horizontal guide rails (2) being fixedly arranged on the left guide rail base (1), and a left supporting movable frame (6) being movably arranged on the two left horizontal guide rails (2), A left lead screw (3) is arranged between two left and right horizontal guide rails (2) on the left side, a left lead screw nut (4) is arranged on the left lead screw (3), the left lead screw nut (4) is fixedly connected to the lower bottom surface of the left support movable frame (6), and a left lead screw drive motor (5) is connected to the left lead screw (3); a right guide rail base (16) is arranged on the right side of the left guide rail base (1), and a right support movable frame (17) having the same structure as the left side and its drive support device are arranged on the right guide rail base (16), characterized in that: A left rear roller bracket (7) and a left front roller bracket (9) are respectively arranged on the top surface of the left supporting movable frame (6); a left rear roller (8) is arranged on the left rear roller bracket (7); a left front roller (10) is arranged on the left front roller bracket (9); a left front roller driving motor (11) is connected to the wheel axle of the left front roller (10); a right front roller bracket (19) and a right rear roller bracket are respectively arranged on the right supporting movable frame (17); a right front roller (18) and a right rear roller are arranged on the right front roller bracket (19).

2. The servo roller frame for stator core wire embedding according to claim 1, characterized in that: A left tooling ring (15) is arranged outside the left positioning ring (14), and the left tooling ring (15) is fixedly arranged on the outer side of the left end of the rib plate (13); a right tooling ring (20) is arranged outside the right positioning ring, and the right tooling ring (20) is fixedly arranged on the outer side of the right end of the rib plate (13); the stator core (12) is movably mounted between the left rear roller (8) and the left front roller (10) through the left tooling ring (15), and the stator core (12) is movably mounted between the right rear roller and the right front roller (18) through the right tooling ring (20).

Citation Information

Patent Citations

  • Engine base of motor stator core

    CN102437662A

  • Remove rotation type electric motor rotor rule frock

    CN204858908U

  • Servo roller carrier for inserting wire into stator core

    CN211959019U