CN211237989U

CN211237989U - Wire clamping mechanism of transformer winding machine

Info

Publication number: CN211237989U
Application number: CN202020273711.7U
Authority: CN
Inventors: 李忠华; 李海中; 麦荣建
Original assignee: Xinyu Chengfeng Technology Co ltd
Current assignee: Xinyu Chengfeng Technology Co ltd
Priority date: 2019-12-02
Filing date: 2020-03-09
Publication date: 2020-08-11
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses a wire clamping mechanism of transformer coiling machine, including line mouth and the drive arrangement that can open and shut, still include lever mechanism, lever mechanism includes lever shaft, fulcrum axle, power arm and resistance arm, and the lever shaft can rotate around the fulcrum axle, and power arm and resistance arm set up respectively in the both ends of lever axle, and drive arrangement drive power arm motion provides the pivoted moment to the lever axle, and power arm and resistance arm all connect in the line mouth. When drive arrangement drive power arm rotate around the fulcrum axle through the lever shaft and drive resistance arm and remove, opening and shutting of mobile control line mouth between power arm and resistance arm makes the wire rod atress of pressing from both sides tightly in the line mouth more stable, compares with prior art, the utility model discloses can press from both sides tightly the multi-department application of force of wire rod, avoid the wire rod to appear rocking or the tensile force not enough hanging the line process.

Description

Wire clamping mechanism of transformer winding machine

Technical Field

The utility model relates to a transformer coiling machine technical field especially relates to a wire clamping mechanism of transformer coiling machine.

Background

In the process of hanging the wire, the transformer winding machine needs to tension the wire in order to enable the wire to be tightly wound on the transformer pin, and the existing automatic transformer winding machine adopts the wire clamping assembly to completely clamp the wire after the winding is finished, then the wire is cut off by the wire cutting assembly, and then the wire hanging end of the wire is wound on the transformer pin. However, during the process of hanging the wire, the clamping end of the wire is clamped and limited by the wire clamping assembly, and the wire hanging end of the wire is continuously wound on the pin of the transformer bushing. The existing winding machine adopts a single jacking block to jack a wire tightly at a wire nozzle, so that the effect of clamping the wire is realized. However, because a single jacking block only applies force to one side of the wire, the wire can have insufficient tension force or shake or even fall off under the tension force of the wire hanging mechanism, so that the wire cannot be tightly wound on the pins of the transformer, and the performance of the transformer is further influenced.

Disclosure of Invention

For solving the problem, the utility model aims at providing an in-process of hanging wire can press from both sides tightly the multi-department application of force of wire rod, avoids the wire rod to appear rocking or the trapping mechanism of the transformer coiling machine that the tensile force is not enough in the hanging wire process.

The utility model discloses a following technical scheme realizes:

the utility model provides a wire clamping mechanism of transformer coiling machine, includes line mouth and the drive arrangement that can open and shut, still includes lever mechanism, lever mechanism includes lever shaft, fulcrum axle, power arm and resistance arm, the lever shaft can wind the fulcrum axle rotates, the power arm with the resistance arm set up respectively in the both ends of lever shaft, the drive arrangement drive the motion of power arm and to the lever shaft provides pivoted moment, the power arm with the resistance arm all connect in the line mouth.

Further, the line mouth includes the line mouth of going up and the line mouth of going down of parallel alignment, go up the line mouth with the line mouth of going down can open and shut the connection.

Furthermore, the upper thread nozzle is fixedly connected with the resistance arm, and the lower thread nozzle is fixedly connected with the power arm.

Further, the cutting device also comprises a cutter, wherein the cutter is arranged on the resistance arm and the power arm, and the cutting edge of the cutter is vertical to the horizontal line where the wire nozzle is located.

Furthermore, the winding machine also comprises a rotating shaft, and a wire clamping mechanism of the transformer winding machine is connected to the rotating shaft.

Further, the driving device is an air cylinder, a hydraulic cylinder or an electric cylinder.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a line mouth, lever mechanism and the drive arrangement that can open and shut, lever mechanism include lever shaft, fulcrum axle, power arm and resistance arm, rotate around the fulcrum axle through the lever shaft when drive arrangement drive power arm and drive the resistance arm and remove, and opening and shutting of power arm and resistance arm mobile control line mouth between them makes the wire rod atress of pressing from both sides tightly in the line mouth more stable, the utility model discloses can press from both sides tightly the multiple application of force of wire rod, avoid the wire rod to rock or the tensile force is not enough in the hanging wire process appearance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the connection between the driving device and the lever mechanism of the present invention;

fig. 3 is a schematic diagram of the lever mechanism of the present invention.

In the figure: 101. a thread feeding nozzle; 102. a thread outlet nozzle; 201. a wire clamping power arm; 202. a wire clamping resistance arm; 203. a pinch lever shaft; 301. a tangent power arm; 302. a tangent power arm; 303. a tangent lever shaft; 40. a fulcrum shaft; 501. an upper cutter; 502. a lower cutter; 601. a wire clamping cylinder; 602. a wire cutting cylinder; 70. a rotating base; 80. and (3) wire rods.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The utility model discloses a wire clamping mechanism of transformer coiling machine, including line mouth and drive arrangement, the line mouth receives its opening and shutting of drive arrangement control. The utility model discloses still including being used for driven lever mechanism, lever mechanism includes lever shaft, fulcrum axle, power arm and resistance arm, and the lever shaft can rotate around the fulcrum axle, and power arm and resistance arm set up respectively in the both ends of lever shaft, and drive arrangement drive power arm motion provides the pivoted moment to the lever shaft.

Example one

As shown in fig. 1, 2 and 3, the present invention includes an upper thread nozzle 101, a lower thread nozzle 102 and two lever mechanisms, and each lever mechanism is connected with a driving device. The lever mechanism comprises a wire clamping lever mechanism and a wire cutting lever mechanism. The wire clamping lever mechanism comprises a wire clamping lever shaft 203, and a wire clamping power arm 201 and a wire clamping resistance arm 202 are respectively arranged at two ends of the wire clamping lever shaft 203. The tangent lever mechanism comprises a tangent lever shaft 303, and a tangent power arm 301 and a tangent resistance arm 302 are respectively arranged at two ends of the tangent lever shaft 303. The wire clamping lever mechanism and the wire cutting lever mechanism are arranged in parallel, and the fulcrum shaft 40 vertically penetrates through the wire clamping lever shaft 203 and the wire cutting lever shaft 303. As shown in fig. 3, a groove is formed on the left side of the top end of the wire clamping power arm 201, and a groove is formed on the right side of the top end of the wire clamping resistance arm 202. The lower nozzle 102 is embedded and fixed in a groove of the wire clamping power arm 201, the upper nozzle 101 is embedded and fixed in a groove of the wire clamping resistance arm 202, and the upper nozzle 101 and the lower nozzle 102 are aligned in parallel.

The driving device is used for driving the power arm to do linear reciprocating motion, in the embodiment, the driving device is composed of a wire clamping cylinder 601 and a wire cutting cylinder 602, and an electric cylinder and a hydraulic cylinder which utilize electric energy and hydraulic energy can be used as power sources instead of the cylinders except for using the cylinders as the power sources. The piston rod of the wire clamping cylinder 601 is connected to the wire clamping power arm 201 and drives the wire clamping power arm 201 to perform linear reciprocating motion. The piston rod of the tangent cylinder 602 is connected to the tangent power arm 301 and drives the tangent power arm 301 to reciprocate linearly. As shown in the arrow direction in fig. 3, when the thread clamping power arm 201 vertically ascends, it drives the lower thread nozzle 102 to ascend simultaneously, and the thread clamping lever shaft 203 rotates counterclockwise around the fulcrum shaft 40 and drives the thread clamping resistance arm 202 to descend. The wire feeding nozzle 101 descends along with the wire clamping resistance arm 202 until the wire feeding nozzle 101 and the wire feeding nozzle 102 are combined, so that the wire 80 is clamped in the wire feeding nozzle. When the upper thread nozzle 101 and the lower thread nozzle 102 need to be opened, the thread clamping cylinder 601 drives the piston rod to move downwards, so that the thread clamping lever shaft 203 moves clockwise. In addition, the clamping force of the upper wire nozzle 101 and the lower wire nozzle 102 can be flexibly adjusted by controlling the power of the wire clamping cylinder 601, so that the wire 80 can not only be stressed at multiple positions, but also the tension of the wire 80 during wire hanging can be adjusted according to production requirements. The top end of the tangent power arm 301 is fixed with a lower cutter 502, the top end of the tangent resistance arm 302 is fixed with an upper cutter 501, the cutting edges of the upper cutter 501 and the lower cutter 502 are oppositely arranged, and the cutting edges of the upper cutter 501 and the lower cutter 502 are mutually perpendicular to the horizontal line where the two line mouths are located. After the wire 80 is clamped, the wire cutting cylinder 602 drives the wire cutting power arm 301 to ascend, drives the lower cutter 501 to ascend simultaneously, and the wire cutting lever shaft 303 rotates anticlockwise around the fulcrum shaft 40 and drives the wire cutting resistance arm 302 to descend. The upper cutter 501 descends together with the tangent resistance arm 302 to cut off the excess wire 80. As shown in the arrow direction of fig. 2, the wire 80 is continuously wound around the transformer bushing in the arrow direction, the upper nozzle 101 and the lower nozzle 102 clamp the wire 80, and after the wire is hung, the upper cutter 501 and the lower cutter 502 cut off the wire 80.

In this embodiment, a rotating shaft 70 is further included, and the rotating shaft 70 can drive the driving device and the lever device to rotate on the winding machine, and can be used for aligning the nozzle with the wire 80, so that the wire can enter the nozzle conveniently.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a wire clamping mechanism of transformer coiling machine, includes line mouth and the drive arrangement that can open and shut, its characterized in that: the wire twisting device is characterized by further comprising a lever mechanism, wherein the lever mechanism comprises a lever shaft, a fulcrum shaft, a power arm and a resistance arm, the lever shaft can rotate around the fulcrum shaft, the power arm and the resistance arm are respectively arranged at two ends of the lever shaft, the driving device drives the power arm to move and provide rotating torque for the lever shaft, and the power arm and the resistance arm are both connected to the wire nozzle.

2. The wire clamping mechanism of the transformer winding machine according to claim 1, wherein: the line mouth includes the last line mouth and the lower line mouth of parallel alignment, go up the line mouth with the lower line mouth can open and shut the connection.

3. The wire clamping mechanism of the transformer winding machine according to claim 2, wherein: the upper thread nozzle is fixedly connected with the resistance arm, and the lower thread nozzle is fixedly connected with the power arm.

4. The wire clamping mechanism of the transformer winding machine according to claim 1, wherein: the power arm and the resistance arm further comprise a cutter, and the cutting edge of the cutter is perpendicular to the horizontal line where the wire nozzle is located.

5. The wire clamping mechanism of the transformer winding machine according to claim 1, wherein: the winding device further comprises a rotating shaft, and a wire clamping mechanism of the transformer winding machine is connected to the rotating shaft.

6. The wire clamping mechanism of the transformer winding machine according to claim 1, wherein: the driving device is an air cylinder, a hydraulic cylinder or an electric cylinder.