CN113231528B

CN113231528B - Special-shaped foot mould is cut TO miniature relay support of TO-5

Info

Publication number: CN113231528B
Application number: CN202110540948.6A
Authority: CN
Inventors: 程立江; 于福莉; 范壮壮; 贾秋阳; 袁明涛; 张红旗; 孙明; 张廷伟; 陈婷
Original assignee: Guizhou Zhenhua Qunying Electric Appliance Co Ltd(state-Owned No891 Factory)
Current assignee: Guizhou Zhenhua Qunying Electric Appliance Co Ltd(state-Owned No891 Factory)
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2023-04-21
Anticipated expiration: 2041-05-18
Also published as: CN113231528A

Abstract

The invention discloses a TO-5 miniature relay bracket special-shaped pin cutting die. The invention comprises a lower die and an upper die; the middle part of the lower die is provided with a female die fixing plate, the middle part of the female die fixing plate is provided with a combined cutter, the left side and the right side of the middle part of the female die fixing plate are oppositely provided with pin cutting sliding blocks, and the pin cutting sliding blocks are connected with a male die cutter; the middle part of the upper die is provided with a fixed plate, the middle part of the fixed plate is connected with a pressing block, and the left and right opposite sides of the middle part of the fixed plate are provided with a foot cutting inclined wedge; the two cutting feet are wedged and arranged above the two cutting foot sliding blocks, and the pressing block is arranged above the combined cutter. The mold disclosed by the invention simultaneously forms two special-shaped feet of the TO-5 miniature relay bracket part, ensures the height consistency of the two feet, and has the advantages of simple structure, convenience in waste discharge, rapidness in processing, manufacturing and maintenance, easiness in ensuring the dimensional accuracy and the like.

Description

Special-shaped foot mould is cut TO miniature relay support of TO-5

Technical Field

The invention relates TO the technical field of precision machining of key parts of relays, in particular TO a TO-5 miniature relay bracket special-shaped pin cutting die.

Background

At present, two feet of a yoke iron part used for a TO-5 product micro relay of the company are designed into a special-shaped structure, as shown in figure 1. Oftentimes, in designing part forming processes, consider: the special-shaped structures of the two feet are firstly formed in the process of the repeated cutting, the primary bending, the secondary bending and the shaping, but the heights of the two feet of the yoke are inconsistent after the bending in the actual production, and the requirement of the assembly size of the product cannot be met.

For this reason, a new mold structure for the pin cutting of the part needs to be designed to meet the production requirement.

Disclosure of Invention

The invention aims TO provide a TO-5 miniature relay support special-shaped pin cutting die, which solves the problems that the miniature relay support is high in consistency of forming special-shaped pins and die waste is not easy TO discharge.

The invention adopts the following technical scheme to realize the aim of the invention:

a TO-5 miniature relay bracket special-shaped foot cutting die comprises a lower die and an upper die; the middle part of the lower die is provided with a female die fixing plate, the middle part of the female die fixing plate is provided with a combined cutter, the left side and the right side of the middle part of the female die fixing plate are oppositely provided with pin cutting sliding blocks, and the pin cutting sliding blocks are connected with a male die cutter; the middle part of the upper die is provided with a fixed plate, the middle part of the fixed plate is connected with a pressing block, and the left and right opposite sides of the middle part of the fixed plate are provided with a foot cutting inclined wedge; the two cutting feet are wedged and arranged above the two cutting foot sliding blocks, and the pressing block is arranged above the combined cutter.

In the TO-5 miniature relay bracket special-shaped foot cutting die, the left side and the right side of the front end of the male die cutter are respectively provided with a male die cutting edge; the combined cutter comprises an adjusting insert, wherein two sides of the adjusting insert are respectively connected with a left cutter and a right cutter, and female die cutting edges are arranged on the upper parts of the left cutter and the right cutter.

In the TO-5 miniature relay support special-shaped foot cutting die, the middle part of the female die fixing plate is provided with a positioning block, and two sides of the positioning block are provided with stop blocks.

In the TO-5 miniature relay support special-shaped foot cutting die, the middle part of the front side of the female die fixing plate is provided with a waste receiving box.

In the TO-5 miniature relay bracket special-shaped foot cutting die, the middle part of the rear side of the female die fixing plate is provided with a pressing sliding block, the front end of the pressing sliding block is provided with a stop block, a pressing nail is arranged in the pressing sliding block, and the female die fixing plate is connected with a pressing block above the front part of the pressing sliding block; and a pressing inclined wedge is arranged above the rear part of the pressing sliding block.

In the TO-5 miniature relay bracket special-shaped pin cutting die, the lower die comprises a base, the top surface of the base is connected with a female die base plate, and the female die base plate is connected with a female die fixing plate; the upper die comprises an upper support, wherein the bottom surface of the upper support is connected with a base plate, and the base plate is connected with a fixed plate; the bottom surface of the upper support is connected with an inclined wedge fixing plate, and the inclined wedge fixing plate is connected with a pressing inclined wedge.

In the TO-5 miniature relay bracket special-shaped pin cutting die, the bottom surface of the upper bracket is connected with the guide sleeve; the top surface of the base is connected with a guide post; the guide post is arranged in the guide sleeve.

Compared with the prior art, the invention has the following beneficial effects:

1. the research process of the invention firstly forms the special-shaped structures of the two feet during the repeated cutting procedure according to the repeated cutting, primary bending, secondary bending and shaping process route which is often considered in the process of designing the part processing and forming process, but the heights of the two feet of the yoke iron are inconsistent after bending during actual production, and the requirement of the product assembly size cannot be met. And the process route is adjusted to be repeated cutting, primary bending, secondary bending, shaping and pin cutting, the special-shaped pin structure is not formed at first in the repeated cutting process, the pin cutting process is independently carried out after bending, the special-shaped pin structure is cut, and meanwhile, the height consistency of two pins can be ensured by the structural design and processing of a die. However, the technology is adjusted to solve the problem that the waste materials of the die cutting feet are not easy to discharge, and the invention is obtained after overcoming the technical difficulty.

2. When the TO-5 miniature relay bracket part is used for cutting feet, the yoke part is in a lying type positioning design, and inclined wedges (inclined sliding blocks) are also designed on two sides TO move a cutter TO cut feet in a manner of moving the inclined wedges (inclined sliding blocks) TO press materials, so that the consistency of the height of the cut feet is well ensured.

3. The lower die positioning and positioning part of the pin cutting die is designed into a combined insert structure, and has the functions of part positioning and pin cutting female die.

4. The pin cutting female die is used as a working part, is easy to wear, is designed into a combined structure for facilitating maintenance and replacement of a cutter, and is combined together through welding connection, so that the maintainability of the die is improved.

5. According to the invention, the discharging space is designed in the middle of the cutters at the two sides of the pin-cutting female die, and meanwhile, a special discharging groove insert structure is additionally arranged below the cutters, so that waste materials can be conveniently and smoothly discharged out of the die.

6. The combined cutter comprises the left cutter, the right cutter and the adjusting insert, and aims to facilitate maintenance after the female die cutting edge is worn, and the thickness dimension of the cutter can be reduced after grinding because the left cutter and the right cutter are required to be detached for grinding after the female die cutting edge is worn, so that the padding is required to be welded after the cutter is combined again, the whole thickness dimension of the combined cutter is adjusted, the positioning gap between the male die cutting edge and the bracket part of the die is ensured, and the precision quality of cutting feet is ensured.

7. The invention adopts the design of the horizontal positioning structure of the yoke part, so that the positioning insert and the female die insert are designed into an integrated combined insert, a special waste discharging structure is conveniently designed at a position in a limited space, and the smooth working of the die is ensured.

8. When the part is operated, the two feet are cut simultaneously, the die cut by the two feet is designed into an insert, the two sides are simultaneously provided with cutting edges, a discharging space is reserved in the middle, the insert is designed into a combined structure, the cutting edges of the die at the two sides can be separated for repair after being worn, and the die is combined after the completion, so that the die is convenient and quick to maintain.

9. The die structure of the invention adopts inclined wedges (inclined sliding blocks) to perform action transmission at the same time, has simple structure, is quick in processing, manufacturing and maintaining, and has easy guarantee of precision.

To sum up: the mold disclosed by the invention simultaneously forms two special-shaped feet of the TO-5 miniature relay bracket part, ensures the height consistency of the two feet, and has the advantages of simple structure, convenience in waste discharge, rapidness in processing, manufacturing and maintenance, easiness in ensuring the dimensional accuracy and the like. Drawings

FIG. 1 is a schematic diagram of a yoke part for a TO-5 product micro relay;

FIG. 2 is a schematic elevational view of the present invention;

FIG. 3 is a schematic side view of the present invention; the method comprises the steps of carrying out a first treatment on the surface of the

Fig. 4 is a schematic view of the structure of the lower die;

FIG. 5 is a schematic view of the structure of the upper die;

FIG. 6 is a schematic view of the structure of the combination cutter;

FIG. 7 is a schematic structural view of the positioning block;

fig. 8 is a schematic structural view of a male die cutter;

FIG. 9 is a schematic view of a nip block;

FIG. 10 is a schematic view of the structure of the footer slide;

the marks in the drawings are: the die comprises a base, a 2-die base plate, a 3-die fixing plate, a 4-waste receiving box, a 5-combined cutter, a 6-support part, a 7-positioning block, an 8-stop block, a 9-guide pillar, a 10-pressing block, an 11-pressing block, a 12-pressing nail, a 13-male die cutter, a 14-pin cutting block, a 15-upper support, a 16-base plate, a 17-fixing plate, an 18-pin cutting inclined wedge, a 19-guide sleeve, a 20-inclined wedge fixing plate, a 21-pressing inclined wedge, a 22-pressing block, a 23-right cutter, a 24-adjusting insert, a 25-left cutter, a 26-male die cutting edge, a 27-female die cutting edge, a 28-TO-5 micro relay support and 29-special-shaped pins.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Examples. A TO-5 miniature relay bracket special-shaped pin cutting die is shown in fig. 2-10, and comprises a lower die and an upper die; the middle part of the lower die is provided with a female die fixing plate 3, the middle part of the female die fixing plate 3 is provided with a combined cutter 5, the left side and the right side of the middle part of the female die fixing plate 3 are oppositely provided with a pin cutting slide block 14, and the pin cutting slide block 14 is connected with a male die cutter 13; the middle part of the upper die is provided with a fixed plate 17, the middle part of the fixed plate 17 is connected with a pressing block 22, and the left and right opposite sides of the middle part of the fixed plate 17 are provided with a foot cutting inclined wedge 18; the two foot cutting wedges 18 are arranged above the two foot cutting sliding blocks 14, and the pressing block 22 is arranged above the combined cutter 5.

The left side and the right side of the front end of the male die cutter 13 are respectively provided with a male die cutting edge 26; the combined cutter 5 comprises an adjusting insert 24, wherein two sides of the adjusting insert 24 are respectively connected with a left cutter 25 and a right cutter 23, and female die cutting edges 27 are respectively arranged on the upper parts of the left cutter 25 and the right cutter 23. The combined cutter comprises a left cutter 25, a right cutter 23 and an adjusting insert 24, and aims to facilitate maintenance after the female die cutting edge is worn, because after the female die cutting edge is worn, the left cutter and the right cutter are required to be detached for grinding the cutting edge, and the thickness dimension of the cutter after grinding can be reduced, so that after padding is required to be welded when the combined cutter is combined again, the whole thickness dimension of the combined cutter is adjusted, the male and female die cutting edge of the die and the gap between the male and female die cutting edge and the positioning of a bracket part are ensured, and the precision quality of cutting feet is ensured.

The middle part of die fixed plate 3 is equipped with locating piece 7, and the both sides of locating piece 7 are equipped with dog 8.

The middle part of the front side of the female die fixing plate 3 is provided with a waste receiving box 4.

The middle part of the rear side of the female die fixing plate 3 is provided with a pressing sliding block 11, the front end of the pressing sliding block 11 is provided with a stop block 8, a pressing nail 12 is arranged in the pressing sliding block 11, and the female die fixing plate 3 is connected with a pressing block 10 above the front part of the pressing sliding block 11; a pressing inclined wedge 21 is arranged above the rear part of the pressing sliding block 11.

The lower die comprises a base 1, wherein the top surface of the base 1 is connected with a female die backing plate 2, and the female die backing plate 2 is connected with a female die fixing plate 3; the upper die comprises an upper support 15, wherein the bottom surface of the upper support 15 is connected with a base plate 16, and the base plate 16 is connected with a fixing plate 17; the bottom surface of the upper support 15 is connected with a slanting wedge fixing plate 20, and the slanting wedge fixing plate 20 is connected with a material pressing slanting wedge 21.

The bottom surface of the upper support 15 is connected with a guide sleeve 19; the top surface of the base 1 is connected with a guide post 9; the guide post 9 is disposed in the guide sleeve 19. The guide post 9 and the guide sleeve 19 guide the movement direction of the upper die and the lower die.

The working process of the foot cutting machine comprises the following steps: the die is assembled on the punch press and debugging is completed, the support part 6 is placed on the positioning block 7 to complete positioning, the upper die moves downwards after the punch press is started, the material pressing inclined wedge 21 firstly moves the material pressing sliding block 11, through the arrangement that the contact surfaces of the upper die and the lower die are inclined planes, the material pressing inclined wedge 21 pushes the material pressing sliding block 11 to slide towards the support part, the material pressing nails 12 press the round bottom of the support part, meanwhile, the material pressing block 22 moves downwards through the arc-shaped concave surface at the end of the material pressing support part to the cylindrical side surface, then the two-side cutting inclined wedge 18 pushes the two-side cutting sliding blocks 14 to move towards the middle support part through the inclined plane contact, the two-side male die cutters 13 simultaneously move towards the two sides of the part, cutting feet are completed through the upper male die cutting edges 26 and the female die cutting edges 27 on the middle combined cutter 5, waste materials fall into the waste receiving box 4 from the middle of the combined cutter 5 to complete waste discharging, the upper die of the punching machine moves upwards after the cutting feet are completed, and finally, the cut feet are taken out to complete the cut foot parts.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. A TO-5 miniature relay support cuts special-shaped foot mould, its characterized in that: comprises a lower die and an upper die; the middle part of the lower die is provided with a female die fixing plate (3), the middle part of the female die fixing plate (3) is provided with a combined cutter (5), the left side and the right side of the middle part of the female die fixing plate (3) are oppositely provided with a pin cutting slide block (14), and the pin cutting slide block (14) is connected with a male die cutter (13); the middle part of the upper die is provided with a fixed plate (17), the middle part of the fixed plate (17) is connected with a pressing block (22), and the left and right opposite sides of the middle part of the fixed plate (17) are provided with a foot cutting inclined wedge (18); the two foot cutting wedges (18) are arranged above the two foot cutting sliding blocks (14), and the pressing block (22) is arranged above the combined cutter (5); the middle part of the rear side of the female die fixing plate (3) is provided with a pressing sliding block (11), the front end of the pressing sliding block (11) is provided with a stop block (8), a pressing nail (12) is arranged in the pressing sliding block (11), and the female die fixing plate (3) is connected with a pressing block (10) above the front part of the pressing sliding block (11); and a pressing inclined wedge (21) is arranged above the rear part of the pressing sliding block (11).

2. The TO-5 micro relay bracket special-shaped foot cutting die according TO claim 1, wherein: the left side and the right side of the front end of the male die cutter (13) are respectively provided with a male die cutting edge (26); the combined cutter (5) comprises an adjusting insert (24), wherein two sides of the adjusting insert (24) are respectively connected with a left cutter (25) and a right cutter (23), and female die cutting edges (27) are respectively arranged on the upper parts of the left cutter (25) and the right cutter (23).

3. The TO-5 micro relay bracket special-shaped foot cutting die according TO claim 1, wherein: the middle part of die fixed plate (3) is equipped with locating piece (7), and the both sides of locating piece (7) are equipped with dog (8).

4. The TO-5 micro relay bracket special-shaped foot cutting die according TO claim 1, wherein: the middle part of the front side of the female die fixing plate (3) is provided with a waste receiving box (4).

5. The TO-5 micro relay bracket special-shaped foot cutting die according TO claim 1, wherein: the lower die comprises a base (1), wherein the top surface of the base (1) is connected with a female die base plate (2), and the female die base plate (2) is connected with a female die fixing plate (3); the upper die comprises an upper support (15), the bottom surface of the upper support (15) is connected with a base plate (16), and the base plate (16) is connected with a fixing plate (17); the bottom surface of the upper support (15) is connected with an inclined wedge fixing plate (20), and the inclined wedge fixing plate (20) is connected with a pressing inclined wedge (21).

6. The TO-5 micro relay bracket special-shaped foot cutting die according TO claim 5, wherein: the bottom surface of the upper support (15) is connected with a guide sleeve (19); the top surface of the base (1) is connected with a guide pillar (9); the guide post (9) is arranged in the guide sleeve (19).