CN109434931B

CN109434931B - Transformer insulation paper blanking machine

Info

Publication number: CN109434931B
Application number: CN201811284743.0A
Authority: CN
Inventors: 张爱民; 杨强; 李星; 谌文辉; 杨志平; 刘震
Original assignee: Jiangxi Gandian Electric Co ltd
Current assignee: Jiangxi Gandian Electric Co ltd
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2022-06-10
Anticipated expiration: 2038-10-31
Also published as: CN109434931A

Abstract

A blanking machine for insulating paper of a transformer belongs to the technical field of transformer production and comprises a workbench, a cross beam and a working part, wherein the whole piece of insulating paper is placed on the workbench, the working part is arranged on the cross beam and slides on the cross beam, the working part comprises a flattening part, a cutting part and a pressing part, the cutting part is arranged below the flattening part, the pressing part is arranged on the side of the cutting part, the flattening part comprises a bracket, the spring, pillar and gyro wheel have four mounting points on the support, and every mounting point installation gyro wheel, gyro wheel are connected on the pillar, and the pillar is installed on a mounting point of support, installs the spring between pillar and the support, and the spring compresses tightly the gyro wheel downwards, and cutting portion includes tool bit and cutter, and the cutter is installed on the tool bit, and the both sides of cutter respectively install a portion that compresses tightly, and the portion that compresses tightly includes briquetting and atmospheric pressure section of thick bamboo, and the briquetting is installed in the below of atmospheric pressure section of thick bamboo, and the atmospheric pressure section of thick bamboo is installed on the tool bit.

Description

Transformer insulation paper blanking machine

Technical Field

The invention belongs to the technical field of transformer production, and particularly relates to a blanking machine for transformer insulation paper.

Background

Insulating materials are used in transformers in large quantities, which mainly play a role in insulation or support, wherein one of the more common insulating materials is insulating paper. The insulating paper is cut into small pieces of insulating paper according to requirements in the production process. The blanking operation of the current process for insulating paperboard materials mostly adopts equipment such as a shearing machine and a saw cutting, and the equipment has poor adaptability to insulating paper.

Disclosure of Invention

The invention provides a transformer insulating paper blanking machine, which aims to solve the problems in the background technology.

The technical problem solved by the invention is realized by adopting the following technical scheme:

the utility model provides a transformer insulating paper blanking machine, comprises a workbench, crossbeam and work portion, place whole insulating paper on the workstation, install the work portion on the crossbeam, the work portion slides on the crossbeam, the work portion includes the pars planata, cutting portion and portion of compressing tightly, the pars plana below installation cutting portion, cutting portion side installation portion of compressing tightly, the pars plana includes the support, a spring, pillar and gyro wheel, there are four mounting points on the support, every mounting point installation gyro wheel, the gyro wheel is connected on the pillar, the pillar is installed on a mounting point of support, install the spring between pillar and the support, the spring compresses tightly the gyro wheel downwards, cutting portion includes tool bit and cutter, the cutter is installed on the tool bit, the portion of compressing tightly is respectively installed to both sides of cutter, the portion of compressing tightly includes briquetting and pneumatic cylinder, the briquetting is installed in the below of pneumatic cylinder, pneumatic cylinder installs on the tool bit.

Further, a pin is mounted on the support, and the pin limits the support to the bracket.

Further, the cutter is installed in a forward inclining mode, and the inclination angle is 20-35 degrees.

Furthermore, the bottom of the pressing block is provided with a sliding chute, and the sliding chutes at the bottom of the pressing block on two sides of the cutter are respectively inclined towards two sides.

Furthermore, the front section of the pressing block is provided with a bent edge which is tilted upwards.

Furthermore, a cutting groove is formed in the workbench and is located below the cutter.

The invention has the beneficial effects that:

the insulating paper cutting device is convenient for cutting insulating paper, the insulating paper is only required to be flatly laid on the workbench, the insulating paper on the periphery of the cutting tool can be flattened and tensioned under the action of the flattening part and the pressing part, and the subsequent cutting operation can be smoothly carried out.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a schematic view of the working part of the present invention.

Fig. 3 is a schematic view of the cut-out of the present invention.

FIG. 4 is a schematic representation of a compact of the present invention.

In the figure: 100. the cutting machine comprises a workbench, a cutting groove 110, a cross beam 200, a working part 300, a flattening part 310, a support 311, a pin 312, a pin 313, a spring 314, a support column 315, a roller 320, a cutting part 321, a cutter head 322, a cutter 330, a pressing part 331, a pressing block 332, a pneumatic cylinder 333 and a sliding groove.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1, the blanking machine for insulation paper of transformer includes a workbench 100, a beam 200 and a working portion 300, wherein the whole insulation paper is placed on the workbench 100, the working portion 300 is installed on the beam 200, the working portion 300 slides on the beam 200, and of course, after the beam 200 is provided with a ball screw structure and connected with a servo motor, the working portion 300 can be digitally controlled.

Referring to the working part 300 of the transformer insulation paper blanking machine shown in fig. 2, the working part 300 comprises a flat part 310, a cutting part 320 and a pressing part 330, the cutting part 320 is installed below the flat part 310, and the pressing part 330 is installed on the side of the cutting part 320.

The flattening portion 310 comprises a support 311, a pin 312, a spring 313, a support 314 and rollers 315, the support 311 is provided with four mounting points, each mounting point is provided with a roller 315, the rollers 315 are connected to the support 314, the support 314 is mounted on one mounting point of the support 311, the spring 313 is mounted between the support 314 and the support 311, the rollers 315 are pressed downwards by the spring 313, the four rollers 315 of the flattening portion 310 are used for spreading and flattening the insulation paper around the cutting portion 320, the design of the wheel-type flattening portion 310 enables the friction force between the flattening portion 310 and the insulation paper to be small, and the flattening portion 310 is prevented from rubbing the insulation paper to cause displacement. The support 314 is provided with a pin 312, and the pin 312 limits the support 314 on the bracket 311 and prevents the support 314 from falling out of the bracket 311 downwards under the action of spring force.

Referring to the cutting part 320 of the transformer insulation paper blanking machine shown in fig. 3, the cutting part 320 comprises a cutter head 321 and a cutter 322, the cutter 322 is mounted on the cutter head 321, the cutter 322 is mounted in a forward inclining mode, the inclination angle is preferably 20-35 degrees, and the cutter 322 mounted in an inclining mode is more beneficial to cutting operation.

The two sides of the cutter 322 are respectively provided with a pressing part 330, the pressing parts 330 comprise a pressing block 331 and a pneumatic cylinder 332, the pressing block 331 is arranged below the pneumatic cylinder 332, the pneumatic cylinder 332 is arranged on the cutter head 321, appropriate air pressure is filled in the pneumatic cylinder 332, the pressing block 331 presses the insulating paper downwards by the pneumatic cylinder 332, under the condition that the pressing blocks 331 on the two sides of the cutter 322 simultaneously press the insulating paper, the insulating paper near the cutter 322 is in a tensioning state, and the tensioning insulating paper facilitates the cutting operation of the cutter 322.

Referring to the pressing block 331 of the transformer insulation paper blanking machine shown in fig. 4, the bottom of the pressing block 331 is provided with sliding grooves 333, the sliding grooves 333 at the bottom of the pressing block 331 at both sides of the cutter 322 are respectively inclined towards both sides, and the inclined sliding grooves 333 can further tension the insulation paper at both sides of the cutter 322 under the action of friction force, so as to ensure that the insulation paper is in a tensioned state when the cutter cuts the insulation paper.

The front section of the pressing block 331 is provided with a bent edge which is tilted upwards, and the design of the bent edge ensures that the insulating paper is not scratched when the pressing block 331 slides forwards.

The workbench 100 is provided with a cutting groove 110, the cutting groove 110 is positioned below the cutter 322, and the cutter 322 always slides in the cutting groove 110, so that the cutter 322 is prevented from scratching the surface of the workbench 100.

The above embodiments mainly describe the blanking machine for the insulation paper of the transformer. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A blanking machine for transformer insulation paper comprises a workbench (100), a cross beam (200) and a working part (300), wherein the whole piece of insulation paper is placed on the workbench (100), the working part (300) is arranged on the cross beam (200), and the working part (300) slides on the cross beam (200),

the working part (300) comprises a flat part (310), a cutting part (320) and a pressing part (330), the cutting part (320) is arranged below the flat part (310), the pressing part (330) is arranged on the side of the cutting part (320),

The flat part (310) comprises a support (311), a spring (313), a support (314) and a roller (315), wherein four mounting points are arranged on the support (311), the roller (315) is mounted on each mounting point, the roller (315) is connected onto the support (314), the support (314) is mounted on one mounting point of the support (311), the spring (313) is mounted between the support (314) and the support (311), and the roller (315) is pressed downwards by the spring (313),

the cutting part (320) comprises a tool bit (321) and a cutter (322), the cutter (322) is installed on the tool bit (321), two sides of the cutter (322) are respectively provided with a pressing part (330), the pressing part (330) comprises a pressing block (331) and an air pressure cylinder (332), the pressing block (331) is installed below the air pressure cylinder (332), and the air pressure cylinder (332) is installed on the tool bit (321).

2. The blanking machine of claim 1, characterized in that pins (312) are mounted on the pillars (314), and the pins (312) limit the pillars (314) to the brackets (311).

3. The transformer insulation paper blanking machine according to claim 1, characterized in that the cutter (322) is mounted forward-inclined.

4. The transformer insulation paper blanking machine according to claim 3, wherein the cutter (322) is installed at an inclination angle of 20 ° -35 °.

5. The blanking machine of claim 1, wherein the bottom of the pressing block (331) is provided with a sliding groove (333), and the sliding grooves (333) at the bottom of the pressing block (331) at two sides of the cutter (322) are respectively inclined towards two sides.

6. The blanking machine of claim 1, wherein the front section of the pressing block (331) has an upward-turned bent edge.

7. The transformer insulation paper blanking machine according to claim 1, wherein the work table (100) has a cutting slot (110), and the cutting slot (110) is located below the cutter (322).