CN210059483U

CN210059483U - Two-way die-cut unhairing limit stamping die

Info

Publication number: CN210059483U
Application number: CN201920289598.9U
Authority: CN
Inventors: 徐洪泉; 袁晓初
Original assignee: Wuhu Dinghong Machinery Co Ltd
Current assignee: Wuhu Dinghong Machinery Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-02-14
Anticipated expiration: 2029-03-07

Abstract

The utility model discloses a two-way punching unhairing side stamping die, which comprises an upper pressing die and a lower pressing die, wherein a positioning die is arranged between the upper pressing die and the lower pressing die, the two ends of the positioning die are supported and fixed by a bracket, the four corners of the positioning die are respectively provided with a guide through hole, a guide post is respectively passed through each guide through hole, the upper end and the lower end of each guide post are respectively fixed on the four corners of the upper pressing die and the lower pressing die, and the opposite surfaces of the middle parts of the upper pressing die and the lower pressing die are respectively symmetrically provided with an upper punch and a lower punch; the locating die middle part is provided with the constant head tank, one of them side that the support was kept away from to the constant head tank sets up to defeated material mouth communicating with the outside, be provided with spacing face on the constant head tank with defeated material mouth opposite face, the constant head tank sets up to hollow structure's direction cavity with the inside setting of leg joint's both sides wall, locating component includes limiting plate and grip block, connect through a plurality of first compression spring between limiting plate and the grip block, two grip blocks pass the interior plate and pass through second compression spring and connect in the interior plate.

Description

Two-way die-cut unhairing limit stamping die

Technical Field

The utility model relates to a product mold processing field specifically is a two-way die-cut unhairing limit stamping die.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. Stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece of a desired shape and size. Many stamping parts have high requirements on appearance quality according to the use requirements, and the section burrs of the punched workpieces must be strictly controlled within a certain range. When the existing stamping die is used for stamping a workpiece, the workpiece is usually pressed out of a material plate at one time, so that the burrs on the section of the product are more, the burrs are difficult to remove, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way die-cut unhairing limit stamping die to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a two-way punching and deburring stamping die comprises an upper pressing die and a lower pressing die, wherein a positioning die is arranged between the upper pressing die and the lower pressing die, two ends of the positioning die are supported and fixed by a support, four corners of the positioning die are respectively provided with a guide through hole, a guide column penetrates through each guide through hole, the upper end and the lower end of each guide column are respectively fixed on four corners of the upper pressing die and the lower pressing die, and an upper punch and a lower punch are respectively and symmetrically arranged on opposite surfaces of the middle parts of the upper pressing die and the lower pressing die;

the middle part of the positioning die is provided with a positioning groove with upper and lower openings communicated, one side surface of the positioning groove, which is far away from the bracket, is provided with a material conveying opening communicated with the outside, the opposite surface of the positioning groove, which is opposite to the material conveying opening, is provided with a limiting surface, the inner parts of two side walls, which are connected with the bracket, of the positioning groove are provided with guide cavities with hollow structures, the opposite surfaces of the two guide cavities are defined as inner side plates, and the opposite surfaces of the two guide;

the locating groove and the upper part and the lower part on the opposite surfaces of the two side walls of the support connection are symmetrically provided with a group of locating components respectively, each locating component comprises a limiting plate and a clamping plate, the limiting plates and the clamping plates are connected through a plurality of first compression springs, the two clamping plates of the upper locating component and the lower locating component of the same side wall in the locating groove penetrate through the inner side plate and are connected through second compression springs in the inner side plate, and stamping parts are embedded between the clamping plates in the locating groove.

Preferably, the limiting plate and the clamping plate of the positioning assembly are parallel to each other, and the clamping plates of the upper and lower groups of positioning assemblies on the same side wall in the positioning groove are parallel and close to each other.

Preferably, the inner side plate and the outer side plate of the guide cavity are respectively provided with a through groove for the limiting plate and the clamping plate to slide up and down.

Preferably, the limiting plate passes in the interior plate inserts the outer panel, and limiting block is provided with respectively to the limiting plate, the one end that the locating slot was kept away from to the grip block.

Preferably, the clamping plates bent inwards are arranged at the ends, close to the limiting surface, of the two clamping plates of the upper and lower groups of positioning assemblies on the same side wall in the positioning groove respectively, the clamping plates are provided with sliding blocks inserted into the limiting surface, sliding grooves matched with the sliding blocks are formed in the limiting surface, and one ends, far away from the limiting surface, of the clamping plates are arranged to be inclined surface guide structures.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the positioning die between last moulding-die and the bed die, fix the stamping workpiece in the positioning die, the symmetry sets up drift and lower punch respectively on last moulding-die and bed die, through the connection of guide post, need not to increase extra power equipment, can realize the two-way punching press of drift and lower punch through reciprocating of last moulding-die, product section burr is ground or is torn at secondary punching press action in-process, effectively reduce product section burr and form, moreover, the steam generator is simple in structure, and convenient for operation, can effectively reduce the burr after the product rushes out, and the product quality is promoted. The stamping part is clamped and positioned by the arranged positioning assembly, so that the clamping is tight, and the buffering effect is good.

Drawings

Fig. 1 is a schematic view of a specific structure of a positioning mold of the present invention;

FIG. 2 is a schematic view of the overall external structure of the present invention;

FIG. 3 is a schematic structural view of a positioning groove of the present invention;

fig. 4 is a schematic view of the connection structure between the clamping plate and the limiting surface of the present invention.

In the figure: 1. pressing the die; 2. pressing a die; 3. positioning the mold; 4. a support; 5. a guide through hole; 6. a guide post; 7. an upper punch; 8. a lower punch; 9. positioning a groove; 10. a material conveying port; 11. a limiting surface; 12. a guide cavity; 13. an inner side plate; 14. an outer panel; 15. a positioning assembly; 16. a limiting plate; 17. a clamping plate; 18. a first compression spring; 19. a second compression spring; 20. stamping parts; 21. a limiting block; 22. a clamping and connecting plate; 23. a slider; 24. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a two-way punching and deburring stamping die comprises an upper pressing die 1 and a lower pressing die 2, wherein a positioning die 3 is arranged between the upper pressing die 1 and the lower pressing die 2, two ends of the positioning die 3 are supported and fixed by a support 4, four corners of the positioning die 3 are respectively provided with a guide through hole 5, a guide column 6 penetrates through each guide through hole 5, the upper end and the lower end of each guide column 6 are respectively fixed on four corners of the upper pressing die 1 and the lower pressing die 2, and an upper punch 7 and a lower punch 8 are respectively and symmetrically arranged on opposite surfaces of the middle parts of the upper pressing die 1 and the lower pressing die 2;

a positioning groove 9 with upper and lower openings communicated is arranged in the middle of the positioning die 3, a material conveying opening 10 communicated with the outside is arranged on one side surface of the positioning groove 9 far away from the support 4, a limiting surface 11 is arranged on the opposite surface of the positioning groove 9 to the material conveying opening 10, guide cavities 12 of a hollow structure are arranged in the two side walls of the positioning groove 9 connected with the support 4, the opposite surfaces of the two guide cavities 12 are defined as inner side plates 13, and the opposite surfaces of the two guide cavities 12 are defined as outer side plates 14;

the upper and lower symmetry that the both sides wall opposite face that constant head tank 9 and support 4 are connected sets up a set of locating component 15 respectively, and locating component 15 includes limiting plate 16 and grip block 17, connects through a plurality of first compression spring 18 between limiting plate 16 and the grip block 17, and two grip blocks 17 of the upper and lower two sets of locating component 15 of same lateral wall pass inside plate 13 and connect through second compression spring 19 in inside plate 13 in the constant head tank 9, inlays between the grip block 17 in the constant head tank 9 and adorns stamping workpiece 20.

Preferably, the limiting plate 16 and the clamping plate 17 of the positioning assembly 15 are parallel to each other, and the clamping plates 17 of the upper and lower sets of positioning assemblies 15 on the same side wall in the positioning groove 9 are parallel to each other and close to each other.

Preferably, the inner side plate 13 and the outer side plate 14 of the guide cavity 12 are respectively provided with a through groove for the limiting plate 16 and the clamping plate 17 to slide up and down.

Preferably, the limiting plate 16 penetrates through the inner side plate 13 and is inserted into the outer side plate 14, and the limiting blocks 21 are respectively arranged at the ends of the limiting plate 16 and the clamping plate 17 far away from the positioning groove 9.

Preferably, the clamping plates 22 bent inwards are respectively arranged at the ends, close to the limiting surface 11, of the two clamping plates 17 of the upper and lower two sets of positioning assemblies 15 on the same side wall in the positioning groove 9, the sliding blocks 23 inserted into the limiting surface 11 are arranged on the clamping plates 22, the sliding grooves 24 adaptive to the sliding blocks 23 are formed in the limiting surface 11, and the inclined plane guide structure is arranged at the end, far away from the limiting surface 11, of each clamping plate 17.

The working principle is as follows: during operation, insert stamping workpiece 20 by defeated material mouth 10 between two upper and lower grip blocks 17 in the constant head tank 9, and it is further spacing to carry out through the joint plate 22 of grip block 17 one end, during the punching press for the first time, go up moulding-die 1 and move down, carry out the compound die with positioning die 3, go up the boss structure that 1 surface of moulding-die set up to agree with constant head tank 9, the boss pushes down locating component 15 in the constant head tank 9, thereby promote limiting plate 16 and grip block 17 downwards along the logical groove on interior plate 13 and the outer panel 14, it is spacing until the limiting plate 16 of below is by direction cavity 12 bottom, first compression spring 18 between limiting plate 16 and the grip block 17 is compressed, press stamping workpiece 20 tightly fixedly, go up punch 7 and carry out the punching press for the first time to stamping workpiece 20. After the first stamping is finished, the upper pressing die 1 moves upwards, the upper pressing die 1 and the positioning die 3 are opened, the upper pressing die 1 continuously moves upwards, the lower pressing die 2 is driven to move upwards through the guide post 6, the lower pressing die 2 and the positioning die 3 are closed, similarly, the second stamping is finished, and after the die is opened, the two clamping plates 17 are separated under the action of the second compression spring 19, so that the stamping part 20 is conveniently taken out; need not to increase extra power equipment, can realize the two-way punching press of upper punch 7 and lower punch 8 through reciprocating of upper die 1, 20 sections burrs of stamping workpiece are ground off or are torn apart at secondary punching press action in-process, effectively reduce 20 sections burrs of stamping workpiece and form, moreover, the steam generator is simple in structure, and convenient for operation, can effectively reduce the burr after 20 punches out of stamping workpiece, promote product quality, carry out the centre gripping location to stamping workpiece 20 through the locating component 15 that sets up, the centre gripping is inseparable, the cushioning effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A two-way punching and deburring stamping die is characterized by comprising an upper pressing die (1) and a lower pressing die (2), wherein a positioning die (3) is arranged between the upper pressing die (1) and the lower pressing die (2), two ends of the positioning die (3) are supported and fixed by a support (4), four corners of the positioning die (3) are respectively provided with a guide through hole (5), each guide through hole (5) is internally provided with a guide column (6), the upper end and the lower end of each guide column (6) are respectively fixed on four corners of the upper pressing die (1) and the lower pressing die (2), and an upper punch (7) and a lower punch (8) are respectively and symmetrically arranged on opposite surfaces of the middle parts of the upper pressing die (1) and the lower pressing die (2);

a positioning groove (9) with an upper opening and a lower opening communicated is arranged in the middle of the positioning die (3), one side surface of the positioning groove (9) far away from the support (4) is provided with a material conveying opening (10) communicated with the outside, a limiting surface (11) is arranged on the surface of the positioning groove (9) opposite to the material conveying opening (10), two side walls of the positioning groove (9) connected with the support (4) are internally provided with guide cavities (12) with hollow structures, the opposite surfaces of the two guide cavities (12) are defined as an inner side plate (13), and the opposite surfaces of the two guide cavities (12) are defined as an outer side plate (14;

the upper portion and the lower portion of the opposite face of the two side walls, where the positioning groove (9) is connected with the support (4), are symmetrically provided with a group of positioning components (15) respectively, each positioning component (15) comprises a limiting plate (16) and a clamping plate (17), the limiting plates (16) and the clamping plates (17) are connected through a plurality of first compression springs (18), the two clamping plates (17) of the upper and lower groups of positioning components (15) of the same side wall in the positioning groove (9) penetrate through the inner side plate (13) and are connected through second compression springs (19) in the inner side plate (13), and stamping parts (20) are embedded between the clamping plates (17) in the positioning groove (9).

2. The bi-directional die cutting and burr removing stamping die of claim 1, wherein: limiting plates (16) of the positioning assemblies (15) are parallel to clamping plates (17), and the clamping plates (17) of the upper and lower groups of positioning assemblies (15) on the same side wall in the positioning groove (9) are close to each other in parallel.

3. The bi-directional die cutting and burr removing stamping die of claim 1, wherein: the inner side plate (13) and the outer side plate (14) of the guide cavity (12) are respectively provided with a through groove for the limiting plate (16) and the clamping plate (17) to slide up and down.

4. The bi-directional die cutting and burr removing stamping die of claim 1, wherein: the limiting plate (16) penetrates through the inner side plate (13) and is inserted into the outer side plate (14), and limiting blocks (21) are respectively arranged at one ends, far away from the positioning groove (9), of the limiting plate (16) and the clamping plate (17).

5. The bi-directional die cutting and burr removing stamping die of claim 1, wherein: two grip blocks (17) of upper and lower two sets of locating component (15) of same lateral wall in constant head tank (9) are close to the one end of spacing face (11) and are provided with joint board (22) of inside bend respectively, are provided with slider (23) that insert in spacing face (11) on joint board (22), are provided with spout (24) with slider (23) adaptation on spacing face (11), and the one end that spacing face (11) were kept away from in grip block (17) sets up to inclined plane guide structure.