CN214919643U

CN214919643U - Punching die structure

Info

Publication number: CN214919643U
Application number: CN202121146372.7U
Authority: CN
Inventors: 马会民; 陈汉杰
Original assignee: Henan Hongyuan Wheel Co Ltd
Current assignee: Henan Hongyuan Wheel Co Ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-30
Anticipated expiration: 2031-05-26

Abstract

The utility model provides a punching die structure, which comprises an upper die component and a lower die component, wherein the upper die component comprises a guide plate, a cutting knife is inserted in the guide plate, the cutting knife extends out of the bottom of the guide plate, a pressing plate is arranged at the top of the guide plate, the pressing plate is fixedly connected with the guide plate so as to jointly limit the cutting knife to move up and down relatively, and a connecting block is arranged at the top of the pressing plate; the lower die assembly comprises a base, a lower die fixing plate is arranged on the base and comprises a first side face and a second side face which are oppositely arranged, a stepped groove is formed in the first side face, a lower die is arranged in the stepped groove, a groove communicated with the stepped groove is formed in the second side face, the top face of the groove is coplanar with the top face of the stepped groove, the lower end of the groove is open, a longitudinal through hole matched with a cutting knife is formed in the upper end face of the lower die fixing plate, and the longitudinal through hole extends to the top face of the groove. Above-mentioned scheme, die-cut mould simple structure, the input cost is low, and die-cut efficient, die-cut back terminal surface is neat moreover, do not incline.

Description

Punching die structure

Technical Field

The utility model relates to the technical field of machining, especially indicate a die-cut mould structure.

Background

In the processing process, burrs at two ends of a long strip rolled by the section steel need to be removed, at present, the burrs at the two ends are generally removed by adopting a sawing method, but the sawing speed is low, the efficiency is low, and the notch is easy to deflect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a die-cut mould structure when sawing and cutting and get rid of rectangular material both ends burr in order to solve, saw cuts speed slowly, and is inefficient, and the incision appears the problem of incline phenomenon easily.

In order to solve the technical problem, the utility model provides a following technical scheme:

a punching die structure comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises a guide plate, a cutting knife is inserted into the guide plate and extends out of the bottom of the guide plate, a pressing plate is arranged at the top of the guide plate and fixedly connected with the guide plate so as to limit the cutting knife to move up and down relatively together, and a connecting block is arranged at the top of the pressing plate; lower die assembly includes the base, be provided with the lower mould fixed plate on the base, the lower mould fixed plate is including relative first side and the second side that sets up, the ladder groove has been seted up on the first side, the ladder inslot is provided with the lower mould, set up on the second side with the recess that the ladder groove is linked together, the top surface of recess with the top surface coplane in ladder groove, just the lower extreme opening of recess, the up end of lower mould fixed plate seted up with the vertical through-hole of cutting off cutter looks adaptation, vertical through-hole extends to the top surface of recess.

The upper end of the lower die fixing plate is provided with a guide pillar, and a guide sleeve matched with the guide pillar is embedded in the guide plate.

The number of the guide posts is two, and the two guide posts are symmetrically arranged on two sides of the longitudinal through hole.

The upper end of the cutting-off cutter is provided with a boss, the center of the guide plate is provided with a stepped hole for mounting the cutting-off cutter, the end of the cutting-off cutter is positioned in the stepped hole, and the upper end face of the cutting-off cutter is coplanar with the upper end face of the guide plate.

The pressing plate is located above the cutting-off cutter, is connected with the guide plate through a screw and is pressed on the upper end face of the guide plate.

The lower die is in a step shape and comprises a bottom plate and a positioning bulge, and the positioning bulge is located in the middle of the upper end face of the bottom plate.

The cross section of the bottom plate is matched with the cross section of the bottom of the stepped groove.

The lower die fixing plate is connected with the base through an inner hexagonal socket head cap screw.

The connecting block is used for being connected with a die shank of punching equipment, and a mounting hole is formed in the side face of the connecting block.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, the punching die is simple in structure, low in input cost and high in punching efficiency, the guide pillar does not depart from the guide sleeve in the whole punching process, and the cutting knife is not separated from the lower die fixing plate, so that safety accidents such as damage of the cutting knife due to dislocation of the die are avoided, and the end face of the punched die is neat and does not incline.

Drawings

Fig. 1 is a front view of the structure of the punching die of the present invention;

fig. 2 is a side view of the die-cut die structure of the present invention.

[ reference numerals ]

1. A base; 2. a socket head cap screw; 3. a lower die; 4. a lower die fixing plate; 5. a guide post;

6. a cutting knife; 7. a guide plate; 8. a guide sleeve; 9. pressing a plate; 10. and (4) connecting the blocks.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, an embodiment of the present invention provides a die-cutting die structure, including an upper die assembly and a lower die assembly, where the upper die assembly includes a guide plate 7, a cutting knife is inserted into the guide plate 7, and the cutting knife extends out of the bottom of the guide plate, a pressing plate 9 is disposed on the top of the guide plate 7, the pressing plate 9 is fixedly connected to the guide plate 7 to limit the cutting knife to move up and down relatively, a connecting block 10 is disposed on the top of the pressing plate 9, and the connecting block 10 is used for connecting with a die shank of a die-cutting device; lower mould subassembly includes base 1, be provided with lower mould fixed plate 4 on the base 1, lower mould fixed plate 4 is including relative first side and the second side that sets up, the ladder groove has been seted up on the first side, the ladder inslot is provided with lower mould 3, set up on the second side with the recess that the ladder groove is linked together, the top surface of recess with the top surface coplane in ladder groove, just the lower extreme opening in recess, the up end of lower mould fixed plate 4 seted up with the vertical through-hole of 6 looks adaptations of cutting off cutter, vertical through-hole extends to the top surface of recess, the lower extreme of cutting off cutter 6 extends to in the vertical through-hole.

As shown in fig. 1, two guide pillars 5 are disposed at the upper end of the lower die fixing plate 4, the two guide pillars 5 are symmetrically disposed at two sides of the longitudinal through hole, a guide sleeve 8 adapted to the guide pillars 5 is embedded on the guide plate 7, and the two guide pillars 5 are respectively inserted into the corresponding guide sleeves 8.

As shown in fig. 2, a boss is provided at the upper end of the cutting-off blade 6, a stepped hole for mounting the cutting-off blade 6 is provided at the center of the guide plate 7, the end of the cutting-off blade 6 is located in the stepped hole, and the upper end surface of the cutting-off blade 6 is coplanar with the upper end surface of the guide plate 7.

As shown in fig. 1 and 2, the pressing plate 9 is located above the cutting blade 6, is connected to the guide plate 7 by a screw, and is pressed against the upper end surface of the guide plate 7.

As shown in fig. 1, the lower mold 3 is in a step shape, and includes a bottom plate and a positioning protrusion for positioning, the positioning protrusion is located in the middle of the upper end surface of the bottom plate, and the size of the positioning protrusion is matched with the size of the groove of the section steel to be processed.

In this embodiment, the length of lower mould 3 is unanimous with the length of ladder groove, the cross sectional shape of bottom plate with the bottom cross sectional shape looks adaptation of ladder groove.

As shown in fig. 1, the lower mold fixing plate 4 is fixedly connected to the base 1 by two hexagon socket head cap screws 2.

In this embodiment, the die shank is provided with a through groove adapted to the connecting block 10, the connecting block 10 is inserted into the through groove, the die shank and the connecting block 10 are provided with corresponding through holes, and during installation, bolts sequentially pass through the through holes and are locked by nuts, so that the connecting block 10 is connected with the die shank.

The utility model provides a die-cut mould structure working process as follows:

before the mould used, install earlier on the platform of die-cut equipment, will wait to process in the holding tank that the shaped steel strip stretched into formation between the ladder groove of lower mould fixed plate 4 and the lower mould 3, wait to process the recess of shaped steel strip this moment and arrange the location arch of lower mould 3 in, starting equipment cuts off shaped steel strip.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A punching die structure comprises an upper die assembly and a lower die assembly, and is characterized in that the upper die assembly comprises a guide plate, a cutting knife is inserted into the guide plate and extends out of the bottom of the guide plate, a pressing plate is arranged at the top of the guide plate and fixedly connected with the guide plate so as to jointly limit the cutting knife to move up and down relatively, and a connecting block is arranged at the top of the pressing plate;

lower die assembly includes the base, be provided with the lower mould fixed plate on the base, the lower mould fixed plate is including relative first side and the second side that sets up, the ladder groove has been seted up on the first side, the ladder inslot is provided with the lower mould, set up on the second side with the recess that the ladder groove is linked together, the top surface of recess with the top surface coplane in ladder groove, just the lower extreme opening of recess, the up end of lower mould fixed plate seted up with the vertical through-hole of cutting off cutter looks adaptation, vertical through-hole extends to the top surface of recess.

2. The structure of a punching die according to claim 1, wherein a guide post is provided at an upper end of the lower die fixing plate, and a guide sleeve adapted to the guide post is fitted to the guide plate.

3. The structure of claim 2, wherein the number of the guide posts is two, and the two guide posts are symmetrically arranged on both sides of the longitudinal through hole.

4. The structure of a punching die according to claim 1, wherein a boss is provided at an upper end of the cutting blade, a stepped hole for mounting the cutting blade is provided at a central position of the guide plate, an end of the cutting blade is located in the stepped hole, and an upper end surface of the cutting blade is coplanar with an upper end surface of the guide plate.

5. The structure of a punching die according to claim 4, wherein the pressing plate is located above the cutting blade and is connected to the guide plate by a screw so as to be pressed against an upper end surface of the guide plate.

6. The structure of claim 1, wherein the lower die is stepped and comprises a bottom plate and a positioning protrusion, and the positioning protrusion is located in the middle of the upper end surface of the bottom plate.

7. The piercing die structure of claim 6, wherein the cross-sectional shape of the bottom plate is adapted to the cross-sectional shape of the bottom of the stepped channel.

8. The structure of claim 1, wherein the lower die fixing plate is connected to the base by means of socket head cap screws.

9. The structure of the punching die as claimed in claim 1, wherein the connecting block is used for being connected with a die shank of punching equipment, and a mounting hole is formed in the side surface of the connecting block.