CN218593199U

CN218593199U - Manufacturing cutting die for mica sheets of motor commutator

Info

Publication number: CN218593199U
Application number: CN202222638456.3U
Authority: CN
Inventors: 张云峰; 张瑜瑾; 王太峰
Original assignee: Suzhou Industrical Park Angu Electrical Appliance Co ltd
Current assignee: Suzhou Industrical Park Angu Electrical Appliance Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-10
Anticipated expiration: 2032-10-09

Abstract

The utility model provides a manufacturing cutting die of motor commutator mica sheet, including upper die base, knife rest and cutter, its characterized in that, the knife rest passes through the bolt fastening in the upper die base bottom, and the cutter is installed to the knife rest below, the cutter is to mica sheet nested cutting all around. The utility model provides a cutter nested problem of cutting mica sheet, effectively saved the waste of raw and other materials.

Description

Manufacturing cutting die for mica sheets of motor commutator

Technical Field

The utility model relates to a manufacturing technical field of motor commutator mica sheet, specifically speaking relates to a manufacturing cutting die of motor commutator mica sheet.

Background

The mica sheet is a high-temperature-resistant insulating material, has good mechanical property and insulating electrical property, and is not easy to generate layers and deform during punching. At present, mica sheets are generally cut into mica sheets, the typesetting mode is shown in figure 1, and the grid part is the waste materials left after cutting.

SUMMERY OF THE UTILITY MODEL

Based on the problem, the utility model provides a simple structure, cutting die of nested cutting.

In order to achieve the above purpose, the utility model discloses a following technical scheme: a manufacturing cutting die for mica sheets of a motor commutator comprises an upper die base, a tool rest and a cutter, and is characterized in that the tool rest is fixed at the bottom of the upper die base through bolts, the cutter is installed below the tool rest, and the cutter is used for nesting and cutting the mica sheets front, back, left and right.

By adopting the scheme, the residual materials after cutting are continuously processed by adopting a nested cutting mode, and the waste of raw materials is reduced.

Furthermore, the axis of the cutter and the motion direction of the mica sheet form an included angle or parallel, the number of the cutters is adjustable, and the cutters move longitudinally to perform nested cutting on the mica sheet.

The angle between the axis of the cutter and the mica sheet is changed through the scheme, so that the nesting mode of the cutter is adjusted.

Further, the tool rest is arranged at the bottom of the upper die holder and comprises a fixed frame, a guide strip and a clamp; the utility model discloses a clamp, including mount, guide strip, first waist shape hole, second waist shape hole, recess, bolt, the mount four corners is equipped with a mounting hole respectively, the mount inner wall is equipped with two tracks, track inner wall and the contact of gib block both sides slider, the right side of mount is equipped with first waist shape hole, and first waist shape hole is used for bolted connection with gib block one side screw hole, be equipped with second and third waist shape hole in the middle of the gib block, the anchor clamps top is equipped with the cylinder boss, and cylinder boss outer wall and the contact of gib block second waist shape downthehole wall, cylinder boss below are equipped with the recess, are equipped with a movable nut in the recess, and the nut lateral wall contacts with the recess inner wall, and the bolt passes the movable nut in gib block third waist shape hole screw in anchor clamps recess.

Furthermore, the fixing frame is U-shaped, the rail on the inner wall of the fixing frame is dovetail-shaped, and the sliding blocks on the two sides of the guide strip are dovetail-shaped sliding blocks matched with the rail of the fixing frame.

By adopting the technical scheme, when the size of the mica sheet raw material changes, the position of the guide strip can be adjusted by the bolt on the right side of the fixing frame, and a group of cutting dies can be added by installing the guide strip, so that the position of the cutting tool can be adjusted according to the size of the raw material.

Furthermore, two waist-shaped holes in the middle of the guide strip are waist-shaped holes with equal length, the second waist-shaped hole is arranged above the third waist-shaped hole, and the inner diameter of the second waist-shaped hole is larger than that of the third waist-shaped hole.

By adopting the technical scheme, when the tool nesting mode needs to be changed, the bolts for fixing the clamp on the first and second waist-shaped holes of the guide strip can be loosened, the position required by the tool is adjusted, and the nesting mode of the tool can be changed by screwing the bolts after the tool nesting mode is adjusted.

Furthermore, a dovetail-shaped guide rail is arranged on the inner side of the fixed end of the clamp, and a dovetail-shaped sliding block matched with the fixed end of the clamp is arranged above the movable end of the clamp.

By adopting the scheme, the clamping fixture fastening bolt can be adjusted to disassemble and replace worn cutters and can be compatible with cutters with different thicknesses and shapes, and the cost for manufacturing the cutting die can be reduced.

To sum up, the beneficial effects of the utility model reside in that:

1. by moving the guide strips, rotating the clamp, changing the installation method of the cutters and changing the nesting mode during cutting, the number of the cutters can be increased or decreased according to production requirements and the size of raw materials, and the waste of the raw materials is effectively saved;

2. the clamp adopts a mode of fastening the bolt and the nut, can disassemble and replace the worn cutting die, is compatible with cutters with other thicknesses and types, and reduces the manufacturing cost of the cutting die.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a schematic view of the current state of mica sheet cutting;

FIG. 2 is a schematic cutting view showing an included angle between the axis of the cutter and the moving direction of the mica sheet according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of the cutting tool of the embodiment of the present invention with the axis parallel to the movement direction of the mica sheet;

FIG. 4 is a tool illustration of an embodiment of the present invention;

fig. 5 is a schematic structural view of a guide strip according to an embodiment of the present invention;

fig. 6 is a schematic view of the structural assembly of the embodiment of the present invention;

fig. 7 is an exploded view of an embodiment of the present invention;

the reference numbers in the figures mean: 1-upper die holder, 2-knife rest, 201-fixing plate, 202-guide strip, 211-clamp fixing end, 212-clamp movable end, 3-cutter, 301-cutter inner short side, 302-cutter inner long side, 303-cutter outer short side, 304-cutter outer long side, 4-mica sheet, 5-mica sheet finished product and 6-mica sheet waste.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, which is a schematic view of the current state of mica sheet cutting, the grid part is the waste material left after the mica sheet is cut by the cutter.

As shown in fig. 2 and 3, the utility model provides a manufacturing cutting die of motor commutator mica sheet, the cutter carries out all around nested cutting to the mica sheet, nested mode one is as shown in fig. 2, and the cutter axis is an contained angle with mica sheet direction of motion, and first cutting is accomplished or first cutter is installed the back, and first cutting position or first cutter are hugged closely along the same angle to cutting or second cutter for the second time, make the mica sheet in the middle of not having the clearance, can control and nest, also can nest from top to bottom. And a second nesting mode is shown in fig. 3, the axes of the cutters are parallel to the motion direction of the mica sheets, the installation angles of the two cutters are 180 degrees, the short side of the inner side of the first cutter is contacted with the long side of the inner side of the second cutter, the long side of the inner side of the first cutter is contacted with the short side of the inner side of the second cutter, the long side of the outer side of the first cutter and the short side of the outer side of the second cutter are in the same straight line, and the like.

As shown in fig. 7, the embodiment provides a cutting die for manufacturing mica sheets of a motor commutator, which includes an upper die holder 1, a tool rest 2 and a tool 3, and is characterized in that the tool rest 2 is fixed at the bottom of the upper die holder through a bolt, the tool 3 is installed below the tool rest 2, and the tool 3 cuts mica sheets 4 in a nesting manner in front, back, left and right directions.

By the nested cutting mode of the mica sheet 4 by the cutter 3 in the embodiment, the residual waste materials 6 after cutting are continuously processed, and the waste of raw materials is reduced.

In this embodiment, an included angle or parallel is formed between the axis of the cutter 3 and the motion direction of the mica sheet, the number of the cutters 3 is adjustable, and the cutters 3 move longitudinally to perform nesting cutting on the mica sheet.

By changing the angle between the axis of the cutter 3 and the mica sheet in the embodiment, the nesting mode of the cutter 3 for cutting the mica sheet 4 can be flexibly adjusted.

In this embodiment, the tool holder 2 is composed of a fixing frame 201, a guide bar 202, a fixture fixing end 211 and a fixture moving end 212, four corners of the fixing frame 201 are respectively provided with a mounting hole, a bolt is used for mounting the fixing block 201 at the bottom of the upper die holder 1 through the mounting hole, the inner wall of the fixing frame 201 is provided with two dovetail-shaped rails, a first waist-shaped hole is arranged at the right side of the fixing frame 201, a second waist-shaped hole and a third waist-shaped hole which are equal in length are arranged in the middle of the guide bar 202, the second waist-shaped hole is arranged above the third waist-shaped hole, the inner diameter of the second waist-shaped hole is larger than that of the third waist-shaped hole, dovetail-shaped sliders capable of moving in the dovetail-shaped rails of the fixing frame 201 are respectively arranged at two sides of the guide bar 202, a threaded hole is arranged at one side of the guide bar 202, and the bolt passes through the first waist-shaped hole of the fixing frame 201 and is screwed into the threaded hole at one side of the guide bar 202 to fix the guide bar 202; the excircle of the cylindrical boss at the top of the fixture fixed end 211 is in contact with the inner wall of the second waist-shaped hole in the guide bar 202, a nut passes through the second square waist-shaped hole of the guide bar 202 and is screwed into the threaded hole of the cylindrical boss at the top of the fixture fixed end 211, the inner wall of the groove above the fixture fixed end 211 is in contact with the outer wall of the nut, and a bolt passes through the third waist-shaped hole of the guide bar 202 and is screwed into the nut in the groove of the fixture fixed end 211;

through the arrangement of the fixing frame 201 and the guide bar 202 in the embodiment, the longitudinal position of the guide bar 202 in the fixing frame 201 can be adjusted by sliding the guide bar 202; through the arrangement of the guide bar 202 and the clamps, the position of the cutter 3 can be adjusted by rotating and moving the

clamps

211 and 212; the nesting method of the cutter 4 can be adjusted through the arrangement of the fixed end 211 and the movable end 212 of the clamp; when the size of the raw material of the mica sheet is changed, the raw material can be better matched by adjusting the position of the guide strip 202 and the angles of the

clamps

211 and 212, so that the aim of saving materials is fulfilled.

In this embodiment, the movable end 212 of the fixture slides in the dovetail groove of the fixed end 211 of the fixture through the dovetail-shaped sliding block, the fixed end 211 of the fixture and the movable end 202 of the fixture are respectively provided with two counter bores, and the bolt penetrates through the counter bores of the fixed end 211 of the fixture and the movable end 212 of the fixture, is matched with the nut to fasten the fixture and fix the cutter 3.

Through the setting of this embodiment anchor clamps stiff end 211 and anchor clamps expansion end 212, can dismantle, change the cutter of wearing and tearing and can compatible not the cutter of different thickness, shape, can save the cost of preparation cutting die.

For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A manufacturing cutting die for mica sheets of a motor commutator comprises an upper die base, a tool rest and a cutter, and is characterized in that the tool rest is fixed at the bottom of the upper die base through bolts, the cutter is installed below the tool rest, and the cutter is used for nesting and cutting the mica sheets front, back, left and right.

2. The manufacturing cutting die for mica sheets of motor commutators according to claim 1, wherein the axis of the cutter forms an included angle with the motion direction of the mica sheets, and the cutter moves longitudinally to cut the mica sheets.

3. The manufacturing cutter die for the mica sheet of the motor commutator as claimed in claim 2, wherein the number of the cutters is adjustable, and the cutters perform nested cutting on the mica sheet front, back, left and right.

4. The manufacturing cutter die of the mica sheet of the motor commutator of claim 1, wherein the cutter axis is parallel to the motion direction of the mica sheet, the inner short side of the first cutter is contacted with the inner long side of the second cutter, the inner long side of the first cutter is contacted with the inner short side of the second cutter, the outer long side of the first cutter is in the same line with the outer short side of the second cutter, and the first cutter and the second cutter cut the mica sheet in a left-right nested manner.

5. The manufacturing cutting die of the mica sheet of the motor commutator of claim 1, wherein the tool rest is arranged at the bottom of the upper die base and comprises a fixing frame, a guide bar and a clamp; the utility model discloses a clamp, including mount, guide strip, first waist shape hole, cylinder boss, recess, bolt, the mount four corners is equipped with a mounting hole respectively, the mount inner wall is equipped with two tracks, track inner wall and the contact of gib block both sides slider, the right side of mount is equipped with first waist shape hole, and bolted connection is used with gib block one side screw hole in first waist shape hole, be equipped with second and third waist shape hole in the middle of the gib block, the anchor clamps top is equipped with the cylinder boss, cylinder boss outer wall and the contact of gib block second waist shape hole inner wall, and cylinder boss below is equipped with the recess, is equipped with a movable nut in the recess, nut lateral wall and the contact of recess inner wall, and the bolt passes the movable nut in gib block third waist shape hole screw in anchor clamps recess.

6. The manufacturing cutter die of mica sheets for motor commutators of claim 5, wherein the fixing frame is U-shaped, the rail of the inner wall of the fixing frame is dovetail-shaped, and the sliding blocks at two sides of the guide bar are matched with the rail of the fixing frame.

7. The manufacturing cutter die of the motor commutator mica sheet according to claim 5, wherein the two waist-shaped holes in the middle of the guide bar are equal-length waist-shaped holes, the second waist-shaped hole is above the third waist-shaped hole, and the inner diameter of the second waist-shaped hole is larger than that of the third waist-shaped hole.

8. The manufacturing cutting die for the mica sheet of the motor commutator of claim 5, wherein the boss at the top of the clamp is provided with a threaded hole, the boss is inserted into the second kidney-shaped hole of the guide strip, the outer circle of the boss is in contact with the inner wall of the second kidney-shaped hole, and the bolt passes through the second kidney-shaped hole and is screwed into the threaded hole of the boss of the clamp.

9. The manufacturing cutting die for mica sheets of motor commutators of claim 5, wherein the fixture comprises a fixed end and a movable end, the fixed end and the movable end are respectively provided with two holes, and the movable end can transversely translate on the fixed end.

10. The manufacturing cutting die of the mica sheet of the motor commutator as claimed in claim 9, wherein a dovetail-shaped guide rail is arranged inside the fixed end of the clamp, and a dovetail-shaped sliding block matched with the fixed end of the clamp is arranged above the movable end of the clamp.