CN105945127B - A kind of Combined square-hole punching and blanking die and its assemble method - Google Patents
A kind of Combined square-hole punching and blanking die and its assemble method Download PDFInfo
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- CN105945127B CN105945127B CN201610294056.1A CN201610294056A CN105945127B CN 105945127 B CN105945127 B CN 105945127B CN 201610294056 A CN201610294056 A CN 201610294056A CN 105945127 B CN105945127 B CN 105945127B
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- module
- positioning
- square
- hole
- backing plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
Abstract
The present invention provides a kind of Combined square-hole punching and blanking die, comprising die holder and on die holder, plane spaced set has the backing plate of some positioning spiro pits, also include four root long cube modules, module is provided with counter sunk mounting holes and cylindrical positioning hole and rhombus positioning hole along long rib direction, four root modules surround square die cavity, and position and install in positioning spiro pit by sunk screw, Cylindrical locating pins and diamond positioning pin, it is additionally provided with stripper and material returned bar in square die cavity.The present invention is set by module position, and same group of module can easily form the square opening punching and blanking die of sizes specification, expand its application；Four ribs of module in the longitudinal direction can all use as cutting edge, so as to extend the mold use life-span to greatest extent；Using module assembly cavity plate, the application of mold materials is not only reduced, overcomes the stress concentration phenomenon of integral concave mould corner, while also simplify the design and manufacture of cavity plate.
Description
Technical field
The present invention relates to a kind of punch die, more particularly to a kind of Combined square-hole punching and blanking die and its assembling side
Method, belong to technology of die manufacturing field.
Background technology
Square opening is produced in thin plate processing and applied widely, as the load on Household appliance switch control cabinet panel is opened
Close handle hole etc..Conventional thin plate square hole makes at present, is all shaped using Dies ' Blanking, and a kind of usual specification square hole uses a cover die
Tool, and its concave-convex mold is generally all monoblock type, i.e. and cavity plate, punch-pin is made up of a part, due to square opening female die of die
Its corner is wedge angle, is being machined with heat treatment process, is easily producing stress concentration in sharp corner, cause corner to open
Split, make mould invalidation.Therefore, existing square hole monoblock type punching and blanking die, it can only be corresponded using specification, and mould corner holds
Stress concentration is also easy to produce, causes mold use cost high.
In addition, square hole monoblock type punching and blanking die is in the fabrication process, and because the mold materials monomer volume expended is larger, system
Complex process is made, therefore the manufacturing cost of mould is high.
Look into Chinese patent, a kind of large-scale insert type blanking die, the patent No.：201110256148.8 the mould is will be big
Type cavity plate is divided into some sections, is installed to die fixed seat, form a cavity plate entirety, and it is big to solve mold materials monomer volume
Problem, but one set of die insert, a kind of mould of specification can only be assembled into, and its structure is become more complicated, normal
During use, significant difference is had no with ordinary unit cavity plate, die life can neither be significantly improved, can not be expanded
Its application.
The content of the invention
It is an object of the invention to provide a kind of Combined square-hole punching and blanking die and its assemble method, by rationally designing, together
One subcomponent can be combined into the square and rectangle punching and blanking die of a variety of different sizes, so as to greatly expand its application
Scope, in addition, by design, multigroup cutting edge can be used respectively on same mould, so as to reach raising die life
Purpose.
To reach above-mentioned purpose, the present invention is achieved by the following technical programs.
A kind of Combined square-hole punching and blanking die, plane spaced set has some comprising die holder and on the die holder
The backing plate of positioning spiro pit, in addition to the rectangular module of four disconnected sections of plane on the backing plate for square is placed in,
Four long ribs of the module are equipped with cutting edge, offered along in its long rib direction any plane at least two it is mutually isolated and on
Symmetrical counter sunk mounting holes and the cylindrical positioning hole and a rhombus positioning hole that are isolated down, the counter sunk mounting holes,
The distance of cylindrical positioning hole and rhombus positioning hole between any two is the integral multiple of the positioning spiro pit pitch-row on the backing plate,
The square die cavity of any size is surrounded using four modules, and passes through sunk screw, Cylindrical locating pins and diamond positioning pin
It is positioned and installed in the positioning spiro pit on the backing plate, stripper is additionally provided with the square die cavity and and is moved back
The material returned bar that flitch is connected.
Further, the positioning spiro pit is made up of epimere positioning hole and hypomere screwed hole, wherein the diameter of positioning hole
More than screw thread bore dia.
Further, the quantity of the counter sunk mounting holes is two.
Further, the stripper is provided with several counter sinks, the pitch-row of counter sink and the positioning spiral shell on the backing plate
The pitch-row of pit is into integral multiple.
Further, the material returned bar is the cylinder provided with large, medium and small three sections of diameters, wherein the diameter of middle diameter segment is less than
The diameter of the positioning spiro pit, reduced diameter section sequentially passes through the material returned hole that the die holder is provided with from bottom to top and the backing plate is set
Some positioning spiro pits are stretched into the counter sink of the stripper, and by be installed on its end pad and split washer by institute
State that stripper is spacing to be fixed on the reduced diameter section of the material returned bar.
The present invention also provides：The assemble method of combinations thereof formula square hole punching and blanking die, comprises the following steps：
The first step：The size for the square die cavity that the Combined square-hole punching and blanking die surrounds is only the module width and added
The integral multiple of the upper positioning threads pitch of holes, with reference to the size selected reference position of required square die cavity, by first institute
Module is stated to be located by the Cylindrical locating pins, the diamond positioning pin and the sunk screw and be fixed on the pad
In the positioning spiro pit of plate；
Second step：The end face of cylindrical positioning hole one end of second module is adjacent to first module needs
Form the oblong lateral surface of the square die cavity, and make an oblong lateral surface of second module with the first of its homonymy
The distance of the end face of module described in root is equal to the length or width dimensions of the square die cavity, is then positioned by the cylinder
Second module is positioned and secured to the positioning of the backing plate by pin, the diamond positioning pin and the sunk screw
In screwed hole；
3rd step：The end face of cylindrical positioning hole one end of the 3rd module is adjacent to second module needs
The oblong lateral surface of the square die cavity is formed, and make the 3rd module is equal to institute with the distance of first module
Another length or width dimensions of square die cavity are stated, then passes through the Cylindrical locating pins, the diamond positioning pin and institute
State sunk screw the 3rd module is positioned and secured in the positioning spiro pit of the backing plate；
4th step：The end end face of the cylindrical positioning hole one of 4th module is adjacent to the 3rd module needs
Form the oblong lateral surface of the square die cavity, and with described in first module, second module and the 3rd
Module surrounds the square die cavity jointly, then passes through the Cylindrical locating pins, the diamond positioning pin and the countersunk head spiral shell
4th module is positioned and secured in the positioning spiro pit of the backing plate by nail.
Further, the assemble method of Combined square-hole punching and blanking die, in addition to, two kinds of the cutting edge of the long rib of the module
Exchange method：
The first：Remove for positioning and fixing the Cylindrical locating pins, the institute that need to exchange the module of cutting edge
State diamond positioning pin and the sunk screw, it would be desirable to exchange the module of cutting edge along its short rib direction clockwise or counterclockwise
180 ° of rotation is turned over, then will need to exchange sword by the Cylindrical locating pins, the diamond positioning pin and the sunk screw
The module of mouth is positioned and secured in the positioning spiro pit of the backing plate；
Second：Remove for positioning and fixing the Cylindrical locating pins, the institute that need to exchange the module of cutting edge
State diamond positioning pin and the sunk screw, it would be desirable to exchange the module of cutting edge along its long rib direction clockwise or counterclockwise
180 ° of rotation is turned over, then will need to exchange sword by the Cylindrical locating pins, the diamond positioning pin and the sunk screw
The module of mouth is positioned and secured in the positioning spiro pit of the backing plate.
Beneficial effects of the present invention：
For the present invention by being set to module position, same group of module can easily form the square opening of sizes specification
Punching and blanking die, greatly expand its application；By designing module symmetry, make four ribs of module in the longitudinal direction
It can all be used as die point, by using different seamed edges as die point, so as to extend mould to greatest extent
Service life；Using module assembly cavity plate, the application of mold materials is not only reduced, overcomes the stress of integral concave mould corner
Concentration phenomenon, while also simplify the design and manufacture of cavity plate.
Brief description of the drawings
Fig. 1 is the top view of the embodiment of the present invention；
Fig. 2 is the sectional view of the embodiment of the present invention；
Fig. 3 is the sectional view of module in the embodiment of the present invention；
Wherein：1st, die holder, 2, backing plate, 21, positioning spiro pit, 3, module, 31, upper countersunk head, 32, counter sunk mounting holes, 33, under
Countersunk head, 34, cylindrical positioning hole, 35, rhombus positioning hole, 51, sunk screw, 52, Cylindrical locating pins, 53, diamond positioning pin,
6th, stripper, 61, counter sink, 7, material returned bar, 8, pad, 9, split washer.
Embodiment
To make the purpose of the present invention and technical scheme clearer, below in conjunction with accompanying drawing, to technical scheme
It is further described.
As shown in Figure 1, Figure 2 and Figure 3, it is a kind of Combined square-hole punching and blanking die of the present invention, comprising die holder 1 and is arranged on
Plane spaced set has the backing plate 2 of some positioning spiro pits 21 on the die holder 1, in addition to is placed on the backing plate 2 and puts down
Four disconnected sections in face are the rectangular module 3 of square, and four long ribs of the module 3 are equipped with cutting edge, along its long rib side
The cylinder that two mutually isolated and symmetrical above and below counter sunk mounting holes 32 are offered on to any plane and are isolated is determined
A position hole 34 and rhombus positioning hole 35, the counter sunk mounting holes 32, cylindrical positioning hole 34 and rhombus positioning hole 35 two-by-two it
Between distance be the pitch-row of positioning spiro pit 21 on the backing plate 2 integral multiple, surrounded using four modules 3 any big
Small square die cavity, and the backing plate 2 is positioned and installed on by sunk screw 51, Cylindrical locating pins 52 and diamond positioning pin 53
On the positioning spiro pit 21 in, stripper 6 and the material returned being connected with stripper 6 are additionally provided with the square die cavity
Bar 7.
The positioning spiro pit 21 is made up of epimere positioning hole and hypomere screwed hole, and wherein the diameter of positioning hole is more than spiral shell
Pit diameter.
The stripper 6 is provided with several counter sinks 61, the pitch-row of counter sink 61 and the positioning threads on the backing plate 2
The pitch-row in hole 21 is into integral multiple.
As shown in Fig. 2 the material returned bar 7 is the cylinder provided with large, medium and small three sections of diameters, wherein the diameter of middle diameter segment
Less than the diameter of the positioning spiro pit 21, reduced diameter section sequentially passes through the He of material returned hole 11 that the die holder 1 is provided with from bottom to top
The positioning spiro pit 21 that the backing plate 2 is provided with is stretched into the counter sink 61 of the stripper 6, and by being installed on the pad of its end
Piece 8 and split washer 9 are fixed on the stripper 6 is spacing on the reduced diameter section of the material returned bar 7.
As shown in figure 3, the center line of the counter sunk mounting holes 32, cylindrical positioning hole 34 and rhombus positioning hole 35 is respectively positioned on
On the plane of symmetry of the width of module 3.The counter sunk mounting holes 32 are symmetrical above and below, including upper countersunk head 31 and lower countersunk head 33.
Embodiment of the method：
A kind of assemble method of above-mentioned Combined square-hole punching and blanking die, comprises the following steps：
The first step：The size for the square die cavity that the Combined square-hole punching and blanking die surrounds is only the width of module 3
Plus the integral multiple of the spacing of positioning spiro pit 21, with reference to the size selected reference position of required square die cavity, by first
Module 3 described in root is located simultaneously by the Cylindrical locating pins 52, the diamond positioning pin 53 and the sunk screw 51
It is fixed in the positioning spiro pit 21 of the backing plate 2；
Second step：The end face of one end of cylindrical positioning hole 34 of second module 3 is adjacent to first module 3
Need to form the oblong lateral surface of the square die cavity, and make an oblong lateral surface of second module 3 with its homonymy
First module 3 end face distance be equal to the square die cavity length or width dimensions, then pass through the circle
Second module 3 is positioned and secured to institute by cylindricality alignment pin 52, the diamond positioning pin 53 and the sunk screw 51
In the positioning spiro pit 21 for stating backing plate 2；
3rd step：The end face of one end of cylindrical positioning hole 34 of the 3rd module 3 is adjacent to second module 3
Need to form the oblong lateral surface of the square die cavity, and make the distance with first module 3 of the 3rd module 3
Equal to another length or width dimensions of the square die cavity, then determined by the Cylindrical locating pins 52, the rhombus
3rd module 3 is positioned and secured to the positioning spiro pit of the backing plate 2 by position pin 53 and the sunk screw 51
In 21；
4th step：The end end face of the cylindrical positioning hole 34 1 of 4th module 3 is adjacent to the 3rd module 3
Need to form the oblong lateral surface of the square die cavity, and with first module 3 and the 3rd of module 3, second
Module 3 described in root surrounds the square die cavity jointly, then passes through the Cylindrical locating pins 52, the and of the diamond positioning pin 53
4th module 3 is positioned and secured in the positioning spiro pit 21 of the backing plate 2 by the sunk screw 51.
Further, the assemble method of Combined square-hole punching and blanking die, in addition to, the two of the cutting edge of the long rib of the module 3
Kind exchange method：
The first：Remove for position and fix need exchange cutting edge the module 3 the Cylindrical locating pins 52,
The diamond positioning pin 53 and the sunk screw 51, it would be desirable to which the module 3 for exchanging cutting edge is clockwise along its short rib direction
Or 180 ° of rotation is turned over counterclockwise, then pass through the Cylindrical locating pins 52, the diamond positioning pin 53 and the sunk screw
51 are positioned and secured to the module 3 for needing to exchange cutting edge in the positioning spiro pit 21 of the backing plate 2；
Second：Remove for position and fix need exchange cutting edge the module 3 the Cylindrical locating pins 52,
The diamond positioning pin 53 and the sunk screw 51, it would be desirable to which the module 3 for exchanging cutting edge is clockwise along its long rib direction
Or 180 ° of rotation is turned over counterclockwise, then pass through the Cylindrical locating pins 52, the diamond positioning pin 53 and the sunk screw
51 are positioned and secured to the module 3 for needing to exchange cutting edge in the positioning spiro pit 21 of the backing plate 2.
These are only the preferable specific embodiment of the present invention, its describe it is more specific and in detail, but can not therefore and
It is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, do not taking off
On the premise of from present inventive concept, some equivalent transformations can also be made, these belong to protection scope of the present invention.
Claims (3)
1. a kind of Combined square-hole punching and blanking die, comprising die holder (1) and on the die holder (1), plane spaced set has
The backing plate (2) of some positioning spiro pits (21), stripper (6) is additionally provided with concave die cavity and is connected with stripper (6)
Material returned bar (7), it is characterised in that：Four disconnected sections for also including being placed in plane on the backing plate (2) are the length of square
Cube module (3), four long ribs of the module (3) are equipped with cutting edge, are offered at least along in its long rib direction any plane
Two mutually isolated and symmetrical above and below counter sunk mounting holes (32) and a cylindrical positioning hole (34) being isolated and a water chestnut
Shape positioning hole (35), the counter sunk mounting holes (32), cylindrical positioning hole (34) and rhombus positioning hole (35) between any two away from
From the integral multiple for being positioning spiro pit (21) pitch-row on the backing plate (2), surrounded using four modules (3) any big
Small square die cavity, and institute is positioned and installed on by sunk screw (51), Cylindrical locating pins (52) and diamond positioning pin (53)
State in the positioning spiro pit (21) on backing plate (2)；
The positioning spiro pit (21) is made up of epimere positioning hole and hypomere screwed hole, and wherein the diameter of positioning hole is more than screw thread
Bore dia；
The stripper (6) is provided with several counter sinks (61), pitch-row and the positioning on the backing plate (2) of counter sink (61)
The pitch-row of screwed hole (21) is into integral multiple；
The material returned bar (7) is the cylinder provided with large, medium and small three sections of diameters, wherein the diameter of middle diameter segment is less than the positioning
The diameter of screwed hole (21), reduced diameter section sequentially pass through material returned hole (11) and the pad that the die holder (1) is provided with from bottom to top
The positioning spiro pit (21) that plate (2) is provided with is stretched into the counter sink (61) of the stripper (6), and by being installed on its end
Pad (8) and split washer (9) are fixed on the stripper (6) is spacing on the reduced diameter section of the material returned bar (7).
2. a kind of assemble method of Combined square-hole punching and blanking die according to claim 1, it is characterised in that including as follows
Step：
The first step：The size for the square die cavity that the Combined square-hole punching and blanking die surrounds is only the module (3) width and added
The integral multiple of upper positioning spiro pit (21) spacing, with reference to the size selected reference position of required square die cavity, by first
Module described in root (3) will by the Cylindrical locating pins (52), the diamond positioning pin (53) and the sunk screw (51)
It is positioned and secured in the positioning spiro pit (21) of the backing plate (2)；
Second step：The end face of cylindrical positioning hole (34) one end of second module (3) is adjacent to first module
(3) need to form the oblong lateral surface of the square die cavity, and make an oblong lateral surface of second module (3) with it
The distance of the end face of first module (3) of homonymy is equal to the length or width dimensions of the square die cavity, then passes through
The Cylindrical locating pins (52), the diamond positioning pin (53) and the sunk screw (51) are by second module (3)
It is positioned and secured in the positioning spiro pit (21) of the backing plate (2)；
3rd step：The end face of cylindrical positioning hole (34) one end of the 3rd module (3) is adjacent to second module
(3) need to form the oblong lateral surface of the square die cavity, and make the 3rd module (3) with first module
(3) distance be equal to the square die cavity another length or width dimensions, then by the Cylindrical locating pins (52),
3rd module (3) is positioned and secured to the backing plate by the diamond positioning pin (53) and the sunk screw (51)
(2) in the positioning spiro pit (21)；
4th step：Cylindrical positioning hole (34) one end end face of 4th module (3) is adjacent to the 3rd module (3)
Need to form the oblong lateral surface of the square die cavity, and with first module (3), second module (3) and
3rd module (3) surrounds the square die cavity jointly, is then determined by the Cylindrical locating pins (52), the rhombus
4th module (3) is positioned and secured to the described fixed of the backing plate (2) by position pin (53) and the sunk screw (51)
In position screwed hole (21).
A kind of 3. assemble method of Combined square-hole punching and blanking die according to claim 2, it is characterised in that：Also include described
Two kinds of exchange methods of the cutting edge of the long rib of module (3)：
The first：Remove for position and fix need exchange cutting edge the module (3) the Cylindrical locating pins (52),
The diamond positioning pin (53) and the sunk screw (51), it would be desirable to exchange the module (3) of cutting edge along its short rib direction
180 ° of rotation is turned over clockwise or counterclockwise, then passes through the Cylindrical locating pins (52), the diamond positioning pin (53) and institute
State the positioning spiral shell that sunk screw (51) will need the module (3) for exchanging cutting edge to be positioned and secured to the backing plate (2)
In pit (21)；
Second：Remove for position and fix need exchange cutting edge the module (3) the Cylindrical locating pins (52),
The diamond positioning pin (53) and the sunk screw (51), it would be desirable to exchange the module (3) of cutting edge along its long rib direction
180 ° of rotation is turned over clockwise or counterclockwise, then passes through the Cylindrical locating pins (52), the diamond positioning pin (53) and institute
State the positioning spiral shell that sunk screw (51) will need the module (3) for exchanging cutting edge to be positioned and secured to the backing plate (2)
In pit (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294056.1A CN105945127B (en) | 2016-05-04 | 2016-05-04 | A kind of Combined square-hole punching and blanking die and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294056.1A CN105945127B (en) | 2016-05-04 | 2016-05-04 | A kind of Combined square-hole punching and blanking die and its assemble method |
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| Publication Number | Publication Date |
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| CN105945127A CN105945127A (en) | 2016-09-21 |
| CN105945127B true CN105945127B (en) | 2017-12-29 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834146B (en) * | 2019-04-12 | 2020-05-12 | 沧州永盛电气设备制造有限公司 | Metal shell stamping part machining system and method |
| CN111390014B (en) * | 2020-03-26 | 2021-01-29 | 燕山大学 | Square pipe shape punching device of preapring for an unfavorable turn of events |
| CN114378194A (en) * | 2021-12-22 | 2022-04-22 | 江西江铃集团晶马汽车有限公司 | Engineering bracket stamping die device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02165824A (en) * | 1988-12-19 | 1990-06-26 | Toshiba Corp | Die assembly |
| CN202715692U (en) * | 2012-06-07 | 2013-02-06 | 天津滨海通达动力科技有限公司 | Single groove punch die with universal die supports and universal die-matching pins |
| CN203875177U (en) * | 2014-06-06 | 2014-10-15 | 安徽江淮汽车股份有限公司 | Blanking insert and blanking die |
| CN204638861U (en) * | 2015-03-06 | 2015-09-16 | 北京汽车研究总院有限公司 | A kind of die of punching die |
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Application publication date: 20160921 Assignee: Zhenjiang Siyang Diesel Engine Manufacturing Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020320000100 Denomination of invention: A combined square hole blanking die and its assembly method Granted publication date: 20171229 License type: Exclusive License Record date: 20201028 |
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Effective date of registration: 20220415 Address after: 212021 No. 69 liumai Road, Zhenjiang high tech Industrial Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Zhenjiang Siyang Diesel Engine Manufacturing Co.,Ltd. Address before: Meng Xi Road 212003 Zhenjiang city of Jiangsu province Jingkou District No. 2 Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY |
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