CN218893295U

CN218893295U - Winding and paying-off device for transformer coil

Info

Publication number: CN218893295U
Application number: CN202223347378.8U
Authority: CN
Inventors: 刘良; 东维群; 韩亚斌
Original assignee: Henan Bull Transformer Co ltd
Current assignee: Henan Bull Transformer Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-21
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a winding and paying-off device for a transformer coil, which relates to the technical field of coil winding and comprises a paying-off rack and a limiting mechanism, wherein the limiting mechanism is positioned on the outgoing line side of the paying-off rack, the paying-off rack is connected to a sliding rail in a sliding manner and is driven to slide by a driving mechanism, and the arrangement direction of the sliding rail is vertical to the outgoing line direction; the limiting mechanism comprises a lower roller and an upper roller which are oppositely arranged, the lower roller is rotationally connected with the supporting frame, two ends of the upper roller are rotationally connected with second sliding blocks, and the second sliding blocks are in sliding connection with the supporting frame. The winding and paying-off device for the transformer coil can adjust the position of the paying-off frame according to the position of the paper-covered flat copper wire on the winding reel in the paying-off process of the winding reel, so that the paper-covered flat copper wire is prevented from being skewed, and the space required for paying-off is reduced.

Description

Winding and paying-off device for transformer coil

Technical Field

The utility model relates to the technical field of coil winding, in particular to a winding and paying-off device for a transformer coil.

Background

The transformer coil is a coil, and the coil is needed inside the transformer to operate. The phase numbers are as follows: (1) single-phase transformers: for single-phase loads and three-phase transformer banks. (2) a three-phase transformer: the method is used for rising and falling voltages of a three-phase system. (3) according to the volume: the coil of a small transformer is generally made of round copper wire with insulation, and the coil of a large transformer is made of flat copper wire with insulation.

Wherein in the paper package flat copper wire coiling process of large-scale transformer, need place the reel of paper package flat copper wire on the pay off rack, make the reel can rotate along with the unwrapping wire, but, its fixed in position of current pay off rack, it is not movable, again because paper package flat copper wire is spiral form layer upon layer winding on the reel, the unwrapping wire in-process, the position that paper package flat copper wire is located reel one end constantly changes, in order to prevent that paper package flat copper wire from crooked change from influencing the coil coiling, normally place the pay off rack at the farther distance, reserve sufficient buffer space, thereby lead to occupation space great.

Therefore, it is necessary to provide a winding and unwinding device for a transformer coil to solve the above-mentioned problems.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a winding and paying-off device for a transformer coil, which is used for solving the problem of large occupied space in the background technology.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the winding and paying-off device for the transformer coil comprises a paying-off rack and a limiting mechanism, wherein the limiting mechanism is positioned on the outgoing line side of the paying-off rack, the paying-off rack is connected to a sliding rail in a sliding manner and driven to slide by a driving mechanism, and the arrangement direction of the sliding rail is perpendicular to the outgoing line direction;

the limiting mechanism comprises a lower roller and an upper roller which are oppositely arranged, the lower roller is rotationally connected with a supporting frame, two ends of the upper roller are rotationally connected with second sliding blocks, the second sliding blocks are in sliding connection with the supporting frame, one side, far away from the lower roller, of the second sliding blocks is provided with a first sliding block which is in sliding connection with the supporting frame, a spring is arranged between the first sliding block and the second sliding block, one side, far away from the second sliding block, of the first sliding block is rotationally connected with an adjusting bolt, the adjusting bolt is in threaded connection with the supporting frame, and one side of the limiting mechanism is horizontally and symmetrically fixed with two proximity switches.

Preferably, the number of the limiting mechanisms is two, and the proximity switch is arranged between the two limiting mechanisms.

Preferably, the fixed height of the proximity switch corresponds to the height of the paper-covered flat copper wire.

Preferably, the lower roller and the upper roller are elastic rubber rollers.

Preferably, the number of the sliding rails is two, a screw rod driven to rotate by a servo motor is arranged between the two sliding rails, and a thread cylinder matched with the screw rod is fixedly connected to the bottom end of the pay-off rack.

Preferably, one end of the spring is fixedly connected with the first sliding block, and the other end of the spring is fixedly connected with the second sliding block.

Preferably, limit grooves matched with the thickness of the support frame are formed in two sides of the first sliding block and the second sliding block, and the first sliding block and the second sliding block are in sliding connection with the support frame through the limit grooves.

(III) beneficial effects

Compared with the prior art, the utility model provides a winding and paying-off device for a transformer coil, which has the following beneficial effects:

1. this pay-off is convoluteed to transformer coil, through setting up slidable pay off rack, stop gear and proximity switch, makes it can be according to the unwrapping wire in-process of reel, and the position of pay off rack is adjusted to the position of paper package flat copper wire on the reel to avoid paper package flat copper wire crooked, reduce the required space of unwrapping wire.

2. This transformer coil winds pay-off, through setting up adjusting bolt, first slider, spring and second slider, through the interval of rotating adjustable lower roller and last roller to make it adaptable different specification's flat copper wire of paper package, adjustable lower roller and last roller guarantee spacing effect to the pressure of flat copper wire of paper package simultaneously.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

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

fig. 3 is a schematic top view of the structure of the present utility model.

In the figure: 1. a slide rail; 2. a screw rod; 3. a pay-off rack; 5. a limiting mechanism; 6. a servo motor; 7. an adjusting bolt; 8. a first slider; 9. a spring; 10. a second slider; 11. a lower roller; 12. an upper roller; 13. a proximity switch; 14. a support frame; 15. and (5) wrapping the flat copper wire with paper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a winding and paying-off device for a transformer coil comprises a paying-off frame 3 and a limiting mechanism 5, wherein the limiting mechanism 5 is positioned on an outgoing line side of the paying-off frame 3, the paying-off frame 3 is slidably connected to a sliding rail 1 and is driven to slide by a driving mechanism, the arrangement direction of the sliding rail 1 is perpendicular to the outgoing line direction, and the position of the paying-off frame 3 can be adjusted according to the paying-off degree of a winding reel by arranging the slidable paying-off frame 3, the limiting mechanism 5 and a proximity switch 13, so that the skew of a paper-covered flat copper wire 15 is avoided, and the space required for paying-off is reduced.

The limiting mechanism 5 comprises a lower roller 11 and an upper roller 12 which are oppositely arranged, the lower roller 11 is rotationally connected with a supporting frame 14, two ends of the upper roller 12 are rotationally connected with a second sliding block 10, the second sliding block 10 is in sliding connection with the supporting frame 14, one side, far away from the lower roller 11, of the second sliding block 10 is provided with a first sliding block 8 which is in sliding connection with the supporting frame 14, a spring 9 is arranged between the first sliding block 8 and the second sliding block 10, one side, far away from the second sliding block 10, of the first sliding block 8 is rotationally connected with an adjusting bolt 7, and the adjusting bolt 7 is in threaded connection with the supporting frame 14.

Two proximity switches 13 are horizontally and symmetrically fixed on one side of the limiting mechanism 5, two limiting mechanisms 5 are arranged, the proximity switches 13 are arranged between the two limiting mechanisms 5, and the fixed height of the proximity switches 13 corresponds to the height of the paper-covered flat copper wire 15.

The two slide rails 1 are arranged, a screw rod 2 driven to rotate by a servo motor 6 is arranged between the two slide rails 1, a thread cylinder matched with the screw rod 2 is fixedly connected to the bottom end of the pay-off rack 3, and the pay-off rack 3 is driven to slide by the servo motor 6 and the screw rod 2, so that the pay-off rack 3 moves more accurately.

One end and first slider 8 fixed connection of spring 9, the other end and the second slider 10 fixed connection of spring 9, the spacing groove with support frame 14 thickness looks adaptation has all been seted up to the both sides of first slider 8 and second slider 10, first slider 8 and second slider 10 are all through spacing groove and support frame 14 sliding connection, lower roller 11 and last roller 12 are the elastic rubber roller, through setting up adjusting bolt 7, first slider 8, spring 9 and second slider 10, through the interval of rotating adjusting bolt 7 adjustable lower roller 11 and last roller 12, thereby make its adaptable different specification's flat copper wire 15 of paper package, the pressure of adjustable lower roller 11 and last roller 12 to flat copper wire 15 of paper package simultaneously ensures spacing effect, wherein, elastic rubber roller and spring 9 can cushion pressure.

Working principle: when the paper covered flat copper wire 15 passes through the lower roller 11 and the upper roller 12, the horizontal height of the paper covered flat copper wire 15 is limited under the action of the two groups of lower roller 11 and the upper roller 12, the height of the paper covered flat copper wire 15 is ensured to be in the monitoring height of the proximity switch 13, the distance between the lower roller 11 and the upper roller 12 can be adjusted by rotating the adjusting bolt 7 along with the paying-off, the paper covered flat copper wire 15 is offset between the lower roller 11 and the upper roller 12, when the paper covered flat copper wire 15 is offset to the monitoring range of one of the proximity switches 13, the proximity switch 13 is triggered, an electric signal is transmitted to the controller, the controller controls the servo motor 6 to drive the screw rod 2 to rotate, so that the pay-off rack 3 slides along the slide rail 1 to the side far away from the proximity switch 13, the paper covered flat copper wire 15 is corrected until the paper covered flat copper wire 15 is separated from the monitoring range of the proximity switch 13, the distance between the lower roller 11 and the upper roller 12 can be adjusted by rotating the adjusting bolt 7, and the pressure of the lower roller 11 and the upper roller 12 can be adapted to different paper covered flat copper wire 15.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer coil winds pay-off, includes pay-off rack (3) and stop gear (5), its characterized in that: the limiting mechanism (5) is positioned on the outgoing line side of the pay-off rack (3), the pay-off rack (3) is connected to the sliding rail (1) in a sliding manner and driven to slide by the driving mechanism, and the arrangement direction of the sliding rail (1) is perpendicular to the outgoing line direction;

stop gear (5) are including lower roller (11) and last roller (12) of laying relatively, lower roller (11) are connected with support frame (14) rotation, and the both ends of going up roller (12) all rotate and are connected with second slider (10), second slider (10) and support frame (14) sliding connection, one side that lower roller (11) was kept away from to second slider (10) are equipped with and support frame (14) sliding connection has first slider (8), be equipped with spring (9) between first slider (8) and second slider (10), one side rotation that second slider (10) was kept away from to first slider (8) is connected with adjusting bolt (7), adjusting bolt (7) and support frame (14) threaded connection, one side horizontal symmetry of stop gear (5) is fixed with two proximity switches (13).

2. A transformer coil winding and unwinding device according to claim 1, wherein: the number of the limiting mechanisms (5) is two, and the proximity switch (13) is arranged between the two limiting mechanisms (5).

3. A transformer coil winding and unwinding device according to claim 1, wherein: the fixed height of the proximity switch (13) corresponds to the height of the paper-covered flat copper wire (15).

4. A transformer coil winding and unwinding device according to claim 1, wherein: the lower roller (11) and the upper roller (12) are elastic rubber rollers.

5. A transformer coil winding and unwinding device according to claim 1, wherein: the pay-off rack is characterized in that two slide rails (1) are arranged, a screw rod (2) driven to rotate by a servo motor (6) is arranged between the two slide rails (1), and a thread cylinder matched with the screw rod (2) is fixedly connected to the bottom end of the pay-off rack (3).

6. A transformer coil winding and unwinding device according to claim 1, wherein: one end of the spring (9) is fixedly connected with the first sliding block (8), and the other end of the spring (9) is fixedly connected with the second sliding block (10).

7. A transformer coil winding and unwinding device according to claim 1, wherein: limiting grooves matched with the thickness of the support frame (14) are formed in two sides of the first sliding block (8) and the second sliding block (10), and the first sliding block (8) and the second sliding block (10) are in sliding connection with the support frame (14) through the limiting grooves.