CN212216752U

CN212216752U - Safe punching die

Info

Publication number: CN212216752U
Application number: CN202020520847.3U
Authority: CN
Inventors: 肖华贵; 肖华龙
Original assignee: Chuzhou Tianfeng Mould Equipment Manufacturing Co ltd
Current assignee: Chuzhou Tianfeng Mould Equipment Manufacturing Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-25
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a safe punching die, which comprises a supporting base, wherein a lower die is arranged inside the supporting base, an upper die is arranged on the upper part of the lower die, a punching head is arranged on the lower surface of the upper die, a die cavity is arranged on the upper surface of the lower die, the punching head is arranged inside the die cavity, a bearing plate is arranged at the bottom of the die cavity, a connecting hole is arranged below the bearing plate, and a fixing bolt is arranged inside the connecting hole; the outside of die cavity is equipped with the installation frame, the inside of installation frame is equipped with the cylinder, the inside of cylinder is equipped with the piston rod, the outside of piston rod is equipped with the connecting rod, the outside of connecting rod is equipped with the sponge piece. Can unload to the formed part through utilizing cylinder control sponge piece, the internal surface contact of four faces and die cavity of sponge piece utilizes the sponge piece can be to the inside clearance of die cavity, prevents to carry out the inside of fashioned in-process die cavity to the work piece and can produce the piece, has improved security and the convenience of using.

Description

Safe punching die

Technical Field

The utility model relates to a die-cut mould technical field specifically is a die-cut mould of safe type.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The method realizes the processing of the appearance of the article mainly by changing the physical state of the formed material, and the article is called as 'industrial mother'. The punching die is a type of die, and the punching die is a special technological device for processing materials (metal or nonmetal) into parts (or semi-finished products). The inside in die cavity can be stayed to the piece on its surface of partial work piece at the fashioned in-process to work piece shaping after current die-cut mould, if do not carry out timely clearance, can cause serious influence to the shaping of next work piece, has reduced security and the convenience of using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die-cut mould of safe type has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safety punching die comprises a supporting base, wherein a lower die is arranged inside the supporting base, an upper die is arranged on the upper portion of the lower die, a punching head is arranged on the lower surface of the upper die, a die cavity is arranged on the upper surface of the lower die, the punching head is arranged inside the die cavity, a bearing plate is arranged at the bottom of the die cavity, a connecting hole is formed below the bearing plate, a fixing forbidding bolt is arranged inside the connecting hole, and the fixing forbidding bolt is in threaded connection with the connecting hole; the outside of die cavity is equipped with the installation frame, the inside of installation frame is equipped with the cylinder, the inside of cylinder is equipped with the piston rod, the outside of piston rod is equipped with the connecting rod, the connecting rod with the piston rod is fixed through the shaft coupling, the outside of connecting rod is equipped with the sponge piece, the sponge piece with the corresponding distribution of die cavity.

As a preferred embodiment of the present invention, the inside of the upper die is provided with a placing hole, the inside of the placing hole is provided with a return spring, and the top of the return spring and the top of the placing hole are fixed by welding.

As a preferred embodiment of the utility model, reset spring's below is equipped with the bracing piece, the one end of bracing piece with reset spring carries out welded fastening, reset spring's the other end is arranged in the inside of lower mould.

As a preferred embodiment of the utility model, the bilateral axial symmetry of die cavity is equipped with spacing hole, spacing hole site in the inside of lower mould, the bracing piece that is equipped with insert the inside in spacing hole.

As a preferred embodiment of the utility model, the lower surface that supports the base is equipped with the mounting groove, the mounting groove with the connecting hole intercommunication, the solid bolt of banning passes through the inside that the mounting groove is connected with the connecting hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

through placing the work piece on the lower mould, mould downwardly moving in the control, under bracing piece and reset spring's cooperation, make the inside that the punching press head enters into the die cavity carry out the shaping to the work piece, recycle cylinder controls the sponge piece, make the sponge piece remove to the direction of die cavity, utilize the sponge piece to unload the formed part, when the inside of die cavity is shifted out to the formed part, the sponge piece enters into the inside of die cavity, four faces of sponge piece contact with the internal surface of die cavity, utilize the sponge piece can be to the inside clearance of die cavity, prevent to carry out the inside of fashioned in-process die cavity to the work piece and can produce the piece, the security and the convenience of use have been improved, this die-cut mould overall structure is simple, easy operation.

Drawings

FIG. 1 is a front view of a safety type punching mold of the present invention,

FIG. 2 is a schematic view showing the connection of the internal structure of the die cavity of the safety type punching die of the present invention,

fig. 3 is the utility model relates to a sponge piece structural connection schematic diagram of die-cut mould of safe type.

In the drawing, a supporting base 1, a lower die 2, an upper die 3, a stamping head 4, a die cavity 5, a bearing plate 6, a connecting hole 7, a fixing prohibiting bolt 8, a mounting frame 9, an air cylinder 10, a piston rod 11, a connecting rod 12, a sponge block 13, a placing hole 14, a return spring 15, a supporting rod 16, a limiting hole 17 and a mounting groove 18 are arranged.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a safety punching die comprises a supporting base 1, wherein a lower die 2 is arranged inside the supporting base 1, an upper die 3 is arranged on the upper portion of the lower die 2, a punching head 4 is arranged on the lower surface of the upper die 3, a die cavity 5 is arranged on the upper surface of the lower die 2, the punching head 4 is arranged inside the die cavity 5, a bearing plate 6 is arranged at the bottom of the die cavity 5, a connecting hole 7 is arranged below the bearing plate 6, a fixing forbidding bolt 8 is arranged inside the connecting hole 7, and the fixing forbidding bolt 8 is in threaded connection with the connecting hole 7; the outside of die cavity 5 is equipped with installation frame 9, the inside of installation frame 9 is equipped with cylinder 10, the inside of cylinder 10 is equipped with piston rod 11, the outside of piston rod 11 is equipped with connecting rod 12, connecting rod 12 with piston rod 11 is fixed through the shaft coupling, the outside of connecting rod 12 is equipped with sponge piece 13, sponge piece 13 with the corresponding distribution of die cavity 5.

Referring to fig. 1, a placing hole 14 is formed in the upper die 2, a return spring 15 is arranged in the placing hole 14, the top of the return spring 15 and the top of the placing hole 14 are fixed by welding, and the position of the return spring 15 can be limited by the additionally arranged placing hole 14, so that the stability of the return spring 15 in the expansion process can be improved.

Referring to fig. 1, a support rod 16 is arranged below the return spring 15, one end of the support rod 16 is welded and fixed to the return spring 15, the other end of the return spring 15 is arranged inside the lower die 2, and the overall coordination of the punching die can be improved by the aid of the additionally arranged support rod 16 and the return spring 15.

Referring to fig. 1, two sides of the die cavity 5 are axisymmetrically provided with limiting holes 17, the limiting holes 17 are located inside the lower die 2, the provided support rod 16 is inserted inside the limiting holes 17, and the added limiting holes 17 facilitate the upper die 3 to move towards the lower die 2, so that the stamping head 4 enters the die cavity 5.

Referring to fig. 1, the lower surface of the supporting base 1 is provided with a mounting groove 18, the mounting groove 18 is communicated with the connecting hole 7, the fixing bolt 8 is connected with the inside of the connecting hole 7 through the mounting groove 18, and the fastening bolt 8 can be prevented from protruding through the additionally arranged mounting groove 18, so that the supporting base 1 can be conveniently placed, and the stability is improved.

When the safety punching die of the utility model is used, a processed piece is firstly placed on the lower die 2, the upper die 3 is controlled to move downwards, under the matching of the support rod 16 and the return spring 15, the punching head 4 enters the die cavity 5 to mold the workpiece, after the workpiece is molded, the upper die 3 and the lower die 2 are separated, the air cylinder 10 is used for controlling the sponge block 13, the sponge block 13 is moved towards the die cavity 5, the sponge block 13 is used for unloading the formed part, when the molding member is moved out of the inside of the cavity 5, the sponge block 13 is put into the inside of the cavity 5, four faces of the sponge block 13 are brought into contact with the inner surface of the cavity 2, the inside of the cavity 2 is cleaned by the sponge block 13, then the sponge block 13 is moved out from the interior of the die cavity 2, and another processed piece is placed on the lower die 2 to repeatedly execute the steps.

The supporting base 1, the lower die 2, the upper die 3, the punching head 4, the die cavity 5, the bearing plate 6, the connecting hole 7, the fixing prohibiting bolt 8, the mounting frame 9, the cylinder 10, the piston rod 11, the connecting rod 12, the sponge block 13, the placing hole 14, the reset spring 15, the supporting rod 16, the limiting hole 17 and the mounting groove 18 of the utility model are all universal standard parts or parts known by the technicians in the field, the structure and the principle of the die-cutting die can be known by technical manuals or conventional experimental methods, the problem to be solved by the utility model is that the scraps on the surface of part of the processed workpiece can be left in the die cavity after the processed workpiece is formed by the existing die-cutting die, if not in time clear up, can cause serious influence to the shaping of next work piece, reduced the security of use and the problem of convenience. The utility model discloses a place the work piece on the lower mould, mould downstream in the control, under bracing piece and reset spring's cooperation, make the inside that the punching press head entered into the die cavity carry out the shaping to the work piece, recycle cylinder controls the sponge piece, make the sponge piece remove to the direction of die cavity, utilize the sponge piece to unload to the formed part, when the inside of die cavity is shifted out to the formed part, the sponge piece enters into the inside of die cavity, four faces of sponge piece contact with the internal surface of die cavity, utilize the sponge piece can be to the inside clearance of die cavity, prevent to carry out the inside of fashioned in-process die cavity to the work piece and can produce the piece, the security and the convenience of using have been improved, this die-cut mould overall structure is simple, easy operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a die-cut mould of safe type which characterized in that: the die comprises a supporting base (1), wherein a lower die (2) is arranged inside the supporting base (1), an upper die (3) is arranged on the upper portion of the lower die (2), a stamping head (4) is arranged on the lower surface of the upper die (3), a die cavity (5) is arranged on the upper surface of the lower die (2), the stamping head (4) is arranged inside the die cavity (5), a bearing plate (6) is arranged at the bottom of the die cavity (5), a connecting hole (7) is arranged below the bearing plate (6), a fixing forbidding bolt (8) is arranged inside the connecting hole (7), and the fixing forbidding bolt (8) is in threaded connection with the connecting hole (7); the outside of die cavity (5) is equipped with installation frame (9), the inside of installation frame (9) is equipped with cylinder (10), the inside of cylinder (10) is equipped with piston rod (11), the outside of piston rod (11) is equipped with connecting rod (12), connecting rod (12) with piston rod (11) are fixed through the shaft coupling, the outside of connecting rod (12) is equipped with sponge piece (13), sponge piece (13) with die cavity (5) corresponding distribution.

2. A safety trimming die according to claim 1, wherein: a placing hole (14) is formed in the upper die (3), a return spring (15) is arranged in the placing hole (14), and the top of the return spring (15) and the top of the placing hole (14) are fixed through welding.

3. A safety trimming die according to claim 2, wherein: a support rod (16) is arranged below the return spring (15), one end of the support rod (16) and the return spring (15) are welded and fixed, and the other end of the return spring (15) is arranged in the lower die (2).

4. A safety trimming die according to claim 1, wherein: spacing holes (17) are arranged on two sides of the die cavity (5) in an axisymmetric manner, the spacing holes (17) are located in the lower die (2), and a support rod (16) is inserted into the spacing holes (17).

5. A safety trimming die according to claim 1, wherein: the lower surface of the supporting base (1) is provided with a mounting groove (18), the mounting groove (18) is communicated with the connecting hole (7), and the fastening bolt (8) is prohibited to be connected to the inside of the connecting hole (7) through the mounting groove (18).