Winding device

By combining a servo differential motor with a tension sensor, the winding tension is dynamically adjusted, solving the problem of damage to the wire caused by friction-type tensioners and achieving precise and stable control and efficient production of the winding.

CN223956447UActive Publication Date: 2026-02-27ZHONGSHAN CHANGWEN MASCH EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520526541.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-27
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

In existing winding devices, friction-type tensioners are prone to damaging the wire, increasing the defect rate, and hindering production needs.

Method used

By adopting a speed ratio design between the servo differential motor and the servo motor of the winding module, combined with real-time feedback from the tension sensor, the speed of the pay-off roller is dynamically adjusted to achieve precise and stable control of the winding tension and avoid friction tension.

Benefits of technology

It effectively reduces wire damage, improves winding uniformity and finished product consistency, reduces changeover time and cost, and improves operational efficiency and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223956447U_ABST
    Figure CN223956447U_ABST
Patent Text Reader

Abstract

The utility model discloses a winding device which comprises a machine frame, the machine frame is respectively provided with a pay-off rack used for placing material coils, a winding module and a servo driving motor used for driving the winding module to rotate, and a tension sensor and a pay-off roller are respectively arranged on the machine frame and located between the pay-off rack and the winding module. The servo differential motor is used for driving the pay-off roller to rotate, the rotating speed ratio of the rotating speed of the pay-off roller to the rotating speed of the winding module is 0.7-0.9: 1, and a winding wire of a material coil is connected to the winding module sequentially through the pay-off rack, the pay-off roller and the tension sensor. Through the design of the rotation speed ratio of the servo differential motor to the winding module servo motor, real-time feedback is combined with the tension sensor, the rotation speed of the pay-off roller is dynamically adjusted, accurate and stable control over winding tension is achieved, friction tensioning is not needed, and then the problem of wire damage caused by friction is effectively solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a winding device in particular. BACKGROUND

[0002] At present, in the winding process of small transformer, relay, voice coil, motor and other coils, winding machine and tensioner are usually needed, and the tensioner generally adopts friction type tensioner, and the friction type tensioner generates damping force by using friction force. However, in the process of friction tensioning, the wire rod is prone to be damaged, thereby increasing the defective rate of the wire rod, and being not conducive to production demand. UTILITY MODEL CONTENT

[0003] The utility model aims at solving one of the problems in the prior art to some extent, and provides a winding device.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A winding device, comprising a rack, the rack is respectively provided with a pay-off rack for placing a material roll, a winding module and a servo drive motor for driving the winding module to rotate, a tension sensor and a pay-off roller are respectively arranged on the rack between the pay-off rack and the winding module, and a servo differential motor is arranged for driving the pay-off roller to rotate, the rotation speed ratio of the pay-off roller rotation speed and the winding module rotation speed is 0.7-0.9:1, and the wire winding of the material roll is sequentially connected to the winding module through the pay-off rack, the pay-off roller and the tension sensor.

[0006] In one embodiment, a plurality of first guide wheels are arranged at intervals on the rack between the pay-off rack and the pay-off roller.

[0007] In one embodiment, a plurality of second guide wheels are arranged at intervals on the rack between the pay-off roller and the winding module.

[0008] In one embodiment, the rotation speed ratio of the pay-off roller rotation speed and the winding module rotation speed is 0.9:1.

[0009] In one embodiment, an X-axis moving platform is further arranged on the rack, a moving seat is arranged at the moving end of the X-axis moving platform, and the pay-off rack, the pay-off roller servo differential motor and the tension sensor are arranged on the moving seat.

[0010] In one embodiment, a clamping mechanism is further arranged, the clamping mechanism comprises a seat body arranged on the rack, a vertical channel for the wire to pass through is arranged on the seat body, a cylinder is arranged on one side of the seat body, a pressing block is movably arranged in the vertical channel, and the pressing block is connected with the driving shaft of the cylinder.

[0011] In one embodiment, a lifting mechanism is also included, which includes a linear motion module disposed vertically on a frame, and the seat is disposed at the moving end of the linear motion module, thereby driving the seat to move vertically up and down through the linear motion module.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention achieves precise and stable control of winding tension by designing the speed ratio between the servo differential motor and the winding module servo motor (e.g., 0.7:1 or 0.9:1) and combining it with real-time feedback from the tension sensor to dynamically adjust the speed of the pay-off roller. This eliminates the need for friction tensioning and effectively reduces wire damage caused by friction. Attached Figure Description

[0014] Fig. 1 This is a side view of a winding device according to the present invention;

[0015] Fig. 2 This is a partial structural schematic diagram of a winding device according to the present invention;

[0016] Fig. 3 This is a schematic diagram of the threading of a winding device according to the present invention. Detailed Implementation

[0017] The following detailed description provides various embodiments or examples for implementing this utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. Additionally, repeated reference numerals, such as repeated numbers and / or letters, may be used in different embodiments. These repetitions are for the purpose of simple and clear description of this utility model and do not represent a specific relationship between the different embodiments and / or structures discussed.

[0018] like Figs. 1 to 3 The winding device shown includes a frame 1, on which a wire feeding frame 2 for placing the wire roll is mounted, a winding module 3, and a servo drive motor 4 for rotating the winding module 3. A tension sensor 5 and a wire feeding roller 6 are respectively mounted on the frame 1 between the wire feeding frame 2 and the winding module 3, and a servo differential motor 7 for rotating the wire feeding roller 6 is also mounted. The speed ratio between the wire feeding roller 6 and the winding module 3 is 0.7 to 0.9:1. The wire 99 of the wire roll is sequentially connected to the winding module 3 via the wire feeding frame 2, the wire feeding roller 6, and the tension sensor 5. Specifically, by designing the speed ratio between the servo differential motor and the servo motor of the winding module, combined with real-time feedback from the tension sensor, the speed of the wire feeding roller is dynamically adjusted to achieve precise and stable control of the winding tension, eliminating the need for friction tensioning and effectively reducing wire damage caused by friction.

[0019] Further, a plurality of first guide wheels 8 are arranged on the rack 1 at intervals between the wire feeding rack 2 and the wire feeding roller 6. Further, a plurality of second guide wheels 9 are arranged on the rack 1 at intervals between the wire feeding roller 6 and the winding die set 3. Through the interval arrangement of the first guide wheels and the second guide wheels, the wire winding path is guided in multiple stages, the friction loss of the wire and the equipment is reduced, the path deviation is prevented, and the winding uniformity and the product consistency are improved.

[0020] Preferably, the speed ratio of the rotation speed of the wire feeding roller 6 to the rotation speed of the winding die set 3 is 0.9:1.

[0021] Further, an X-axis moving platform 10 is arranged on the rack 1, and a moving seat 11 is arranged at the moving end of the X-axis moving platform 10, and the wire feeding rack 2, the wire feeding roller 6, the servo differential motor 7 and the tension sensor 5 are arranged on the moving seat 11. Further, through the arrangement of the X-axis moving platform and the moving seat, the horizontal positions of the wire feeding rack, the wire feeding roller and the tension sensor can be flexibly adjusted, different specifications of the material roll or the winding die set can be quickly adapted, and the changeover time and cost are reduced.

[0022] Further, a clamping mechanism is arranged on the rack 1, the clamping mechanism comprises a seat body 12, a vertical passage 13 for the wire 99 is arranged on the seat body 12, a cylinder 14 is arranged on one side of the seat body 12, a pressing block 15 is movably arranged in the vertical passage 13, and the pressing block 15 is connected with the driving shaft of the cylinder 14. Further, a lifting mechanism is arranged on the rack 1, the lifting mechanism comprises a vertical linear moving module 16, and the seat body 12 is arranged at the moving end of the linear moving module 16. The seat body 12 is vertically displaced through the linear moving module 16. Further, through the clamping mechanism of the pressing block driven by the cylinder and the lifting mechanism of the linear moving module, the automatic positioning, fixing and height adjustment of the wire are realized, the manual intervention is reduced, and the operation efficiency and safety are improved.

[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described in combination with the drawings, and the skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A winding device comprising a frame (1) on which a reel stand (2) for placing a reel is provided, and a winding module (3) and a servo drive motor (4) for driving the winding module (3) to rotate, characterized in that: A tension sensor (5) and a pay-off roller (6) are arranged on the rack (1) between the pay-off rack (2) and the winding module (3), and a servo differential motor (7) is arranged to drive the pay-off roller (6) to rotate, the rotation speed ratio of the pay-off roller (6) to the winding module (3) is 0.7-0.9:1, and the wire (99) of the material roll is sequentially connected to the winding module (3) through the pay-off rack (2), the pay-off roller (6) and the tension sensor (5).

2. A winding device according to claim 1, characterized in that A plurality of first guide wheels (8) are arranged on the rack (1) between the pay-off rack (2) and the pay-off roller (6).

3. A winding device according to claim 1, characterized in that: A plurality of second guide wheels (9) are arranged on the rack (1) between the pay-off roller (6) and the winding module (3).

4. A winding device according to claim 1, characterized in that: The rotation speed ratio of the pay-off roller (6) to the winding module (3) is 0.9:

1.

5. A winding device according to claim 1, characterized in that: An X-axis moving platform (10) is arranged on the rack (1), a moving seat (11) is arranged at the moving end of the X-axis moving platform (10), and the pay-off rack (2), the pay-off roller (6), the servo differential motor (7) and the tension sensor (5) are arranged on the moving seat (11).

6. A winding device according to claim 1, characterized in that: The clamping mechanism includes a seat body (12) arranged on the rack (1), the seat body (12) has a vertical passage (13) for the wire (99) to pass through, a cylinder (14) is arranged on one side of the seat body (12), a pressing block (15) is movably arranged in the vertical passage (13), and the pressing block (15) is connected with the driving shaft of the cylinder (14).

7. A winding device according to claim 6, characterized in that: The lifting mechanism includes a linear motion module (16) arranged on the rack (1) in a vertical manner, the seat body (12) is arranged at the moving end of the linear motion module (16), and the seat body (12) is vertically displaced by the linear motion module (16).