CN105945127A - Combined type square hole blanking female die and assembling method thereof - Google Patents
Combined type square hole blanking female die and assembling method thereof Download PDFInfo
- Publication number
- CN105945127A CN105945127A CN201610294056.1A CN201610294056A CN105945127A CN 105945127 A CN105945127 A CN 105945127A CN 201610294056 A CN201610294056 A CN 201610294056A CN 105945127 A CN105945127 A CN 105945127A
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- die
- module
- hole
- square
- backing plate
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a combined type square hole blanking female die. The combined type square hole blanking female die comprises a die holder and a base plate installed on the upper surface of the die holder, wherein the base plate is provided with a plurality of positioning threaded holes in an equal interval mode. The combined type square hole blanking female die further comprises four cuboid die blocks; each die block is provided with countersunk installation holes, a cylindrical positioning hole and a rhombic positioning hole in the long edge direction; the four die blocks define a square cavity and are positioned and installed in the positioning threaded holes through countersunk screws, cylindrical positioning pins and rhombic positioning pins; and a stripper plate and stripper rods are further arranged in the square cavity. According to the combined type square hole blanking female die, the same set of die blocks can be conveniently assembled into square hole blanking female dies of various dimensions by arranging the positions of the die blocks, and the application range of the die is enlarged; the four edges, in the length directions, of each die block all can be used as cutting edges, and accordingly, the service life of the die is prolonged maximally; and the female die is assembled through the die blocks, so that the application amount of die materials is decreased, the stress concentration phenomenon at the corners of the overall female die is overcome, and meanwhile the design and manufacture of the female die are also simplified.
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 assemble method thereof, belong to
Technology of die manufacturing field.
Background technology
Square opening is produced on to be applied widely in thin plate processing, as the load switch on Household appliance switch control chamber panel operates
Hole etc..The most conventional thin plate square hole makes, and all uses Dies ' Blanking to shape, and a kind of specification square hole uses one set of die, and
And its concave-convex mold is the most all monoblock type, i.e. die, punch is made up of a part, due to its corner of square opening female die of die
Place is wedge angle, in machining and heat treatment process, easily produces stress at sharp corner and concentrates, cause corner to ftracture, make
Mould invalidation.Therefore, existing square hole monoblock type punching and blanking die, its use specification can only one_to_one corresponding, and mould corner easily produces
Raw stress is concentrated, and causes mold use cost high.
Additionally, square hole monoblock type punching and blanking die is in the fabrication process, because the mold materials monomer volume expended is relatively big, manufacture work
Skill is complicated, and therefore the manufacturing cost of mould is high.
Looking into Chinese patent, a kind of large-scale insert type blanking die, the patent No.: 201110256148.8, this mould is by large-scale recessed
Mode division becomes some sections, is installed to recessed model fixing seat, constitutes a die entirety, solves the problem that mold materials monomer volume is big,
But one set of die insert, can only be assembled into the mould of a kind of specification, and make its structure become more complicated, normally use
Cheng Zhong, there is no significant difference with ordinary unit die, can not significantly improve die life, can not expand its application
Scope.
Summary of the invention
It is an object of the invention to provide a kind of Combined square-hole punching and blanking die and assemble method thereof, by appropriate design, same secondary group
Part can be combined into square and the rectangle punching and blanking die of multiple different size, thus greatly expands its range of application, this
Outward, by design, same mould can use respectively and organize cutting edge more, thus reach to improve the purpose of die life.
For reaching above-mentioned purpose, the present invention is achieved by the following technical programs.
A kind of Combined square-hole punching and blanking die, comprises die holder and is arranged on plane spaced set on described die holder and has some location spiral shell
The backing plate of pit, also includes that the four disconnected cross sections being placed in plane on described backing plate are foursquare cuboid module, described module
Four long ribs be equipped with cutting edge, in its long rib direction any plane, offer at least two mutually isolated and laterally zygomorphic heavy
Head installing hole and the cylindrical hole, location being isolated and a rhombus position hole, described counter sunk mounting holes, hole, cylindrical location
With the integral multiple of the positioning spiro pit pitch-row that rhombus hole, location distance between any two is on described backing plate, utilize four described moulds
Block surrounds the square die cavity of arbitrary size, and is positioned and installed on described by sunk screw, Cylindrical locating pins and diamond positioning pin
In described positioning spiro pit on backing plate, described square die cavity is additionally provided with stripper and the material returned bar being connected with stripper.
Further, described positioning spiro pit is made up of epimere hole, location and hypomere screwed hole, wherein positions the diameter in hole more than spiral shell
Pit diameter.
Further, the quantity of described counter sunk mounting holes is two.
Further, described stripper is provided with several counter sinks, the pitch-row of counter sink and the positioning spiro pit on described backing plate
Pitch-row becomes integral multiple.
Further, described material returned bar is the cylinder being provided with large, medium and small three sections of diameters, and wherein the diameter of middle diameter segment is less than described fixed
The diameter of position screwed hole, reduced diameter section sequentially passes through material returned hole that described die holder is provided with and the location that described backing plate is provided with from bottom to top
Screwed hole stretches in the counter sink of described stripper, and is limited by described stripper by the pad and split washer being installed on its end
Position is fixed on the reduced diameter section of described material returned bar.
Present invention also provide that the assemble method of combinations thereof formula square hole punching and blanking die, comprise the steps:
The first step: the size of the square die cavity that described Combined square-hole punching and blanking die surrounds is only described module width plus described
The integral multiple of positioning threads pitch of holes, in conjunction with needed for the size selected reference position of square die cavity, first described module is led to
Cross described Cylindrical locating pins, described diamond positioning pin and described sunk screw be located and be fixed on the described fixed of described backing plate
In the screwed hole of position；
Second step: the end face of one end, hole, cylindrical location of second described module is adjacent to first described module pattern of wants institute
State the oblong lateral surface of square die cavity, and make an oblong lateral surface and first described mould at its homonymy of second described module
The distance of the end face of block is equal to length or the width dimensions of described square die cavity, then by described Cylindrical locating pins, described Pedicellus et Pericarpium Trapae
Second described module is positioned and secured in the described positioning spiro pit of described backing plate by shape alignment pin and described sunk screw；
3rd step: the end face of one end, hole, cylindrical location of the 3rd described module is adjacent to second described module pattern of wants institute
State the oblong lateral surface of square die cavity, and make the 3rd described module with the distance of first described module equal to described square type
Another length in chamber or width dimensions, then by described Cylindrical locating pins, described diamond positioning pin and described sunk screw
3rd described module is positioned and secured in the described positioning spiro pit of described backing plate；
4th step: the end end face in the hole one, cylindrical location of the 4th described module is adjacent to the 3rd described module pattern of wants institute
State the oblong lateral surface of square die cavity, and common with first described module, second described module and the 3rd described module
Surround described square die cavity, then pass through described Cylindrical locating pins, described diamond positioning pin and described sunk screw by the 4th
Described module is positioned and secured in the described positioning spiro pit of described backing plate.
Further, the assemble method of Combined square-hole punching and blanking die, also include, two kinds of exchanges of the cutting edge of the long rib of described module
Method:
The first: remove and exchange the described Cylindrical locating pins of described module of cutting edge, described rhombus for location and fixing needs
Alignment pin and described sunk screw, it would be desirable to the described module exchanging cutting edge turns over rotation clockwise or counterclockwise along its short rib direction
180 °, then exchanged needing described in cutting edge by described Cylindrical locating pins, described diamond positioning pin and described sunk screw
Module is positioned and secured in the described positioning spiro pit of described backing plate；
The second: remove and exchange the described Cylindrical locating pins of described module of cutting edge, described rhombus for location and fixing needs
Alignment pin and described sunk screw, it would be desirable to the described module exchanging cutting edge turns over rotation clockwise or counterclockwise along its long rib direction
180 °, then exchanged needing described in cutting edge by described Cylindrical locating pins, described diamond positioning pin and described sunk screw
Module is positioned and secured in the described positioning spiro pit of described backing plate.
Beneficial effects of the present invention:
The present invention is by arranging module position, and the square opening stamping-out that same group of module can form sizes specification easily is recessed
Mould, greatly expands its range of application；By module symmetry is designed, make module four ribs in the longitudinal direction all can make
Use for die point, by the different seamed edge of use as die point, thus extend the mold use life-span to greatest extent；
Utilize module assembly die, not only reduce the application of mold materials, overcome the stress concentration phenomenon of integral concave mould corner,
Also simplify design and the manufacture of die simultaneously.
Accompanying drawing explanation
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: 1, die holder, 2, backing plate, 21, positioning spiro pit, 3, module, 31, upper countersunk head, 32, counter sunk mounting holes,
33, lower countersunk head, 34, hole, cylindrical location, 35, hole, rhombus location, 51, sunk screw, 52, Cylindrical locating pins, 53,
Diamond positioning pin, 6, stripper, 61, counter sink, 7, material returned bar, 8, pad, 9, split washer.
Detailed description of the invention
For making the purpose of the present invention and technical scheme clearer, below in conjunction with accompanying drawing, technical scheme is entered
The description of one step.
As shown in Figure 1, Figure 2 and Figure 3, for a kind of Combined square-hole punching and blanking die of the present invention, comprise die holder 1 and be arranged on
On described die holder 1, plane spaced set has the backing plate 2 of some positioning spiro pits 21, also includes being placed on described backing plate 2 flat
Four disconnected cross sections in face are foursquare cuboid module 3, and four long ribs of described module 3 are equipped with cutting edge, along its long rib side
Two mutually isolated and laterally zygomorphic counter sunk mounting holes 32 and the cylindrical location being isolated is offered in any plane
Hole 34 and hole 35, rhombus location, described counter sunk mounting holes 32, cylindrical hole 34, location and hole 35, rhombus location two-by-two it
Between the integral multiple of positioning spiro pit 21 pitch-row that is on described backing plate 2 of distance, utilize four described modules 3 surround arbitrary greatly
Little square die cavity, and it is positioned and installed on described backing plate by sunk screw 51, Cylindrical locating pins 52 and diamond positioning pin 53
In described positioning spiro pit 21 on 2, described square die cavity is additionally provided with stripper 6 and with moving back that stripper 6 is connected
Material bar 7.
Described positioning spiro pit 21 is made up of epimere hole, location and hypomere screwed hole, and the diameter wherein positioning hole is straight more than screwed hole
Footpath.
Described stripper 6 is provided with several counter sinks 61, the pitch-row of counter sink 61 and the positioning spiro pit on described backing plate 2
The pitch-row of 21 becomes integral multiple.
As in figure 2 it is shown, described material returned bar 7 is the cylinder being provided with large, medium and small three sections of diameters, wherein the diameter of middle diameter segment is less than
The diameter of described positioning spiro pit 21, reduced diameter section sequentially passes through material returned hole 11 that described die holder 1 is provided with and described from bottom to top
The positioning spiro pit 21 that backing plate 2 is provided with stretches in the counter sink 61 of described stripper 6, and by being installed on the pad of its end
8 and split washer 9 by spacing for described stripper 6 reduced diameter section being fixed on described material returned bar 7.
As it is shown on figure 3, the centrage in described counter sunk mounting holes 32, cylindrical hole 34, location and hole 35, rhombus location is respectively positioned on institute
State on the plane of symmetry of module 3 width.Described counter sunk mounting holes 32 is symmetrical above and below, including upper countersunk head 31 and lower countersunk head 33.
Embodiment of the method:
The assemble method of above-mentioned a kind of Combined square-hole punching and blanking die, comprises the steps:
The first step: the size of the square die cavity that described Combined square-hole punching and blanking die surrounds is only described module 3 width plus institute
State the integral multiple of positioning spiro pit 21 spacing, in conjunction with needed for the size selected reference position of square die cavity, by first described mould
Block 3 is located by described Cylindrical locating pins 52, described diamond positioning pin 53 and described sunk screw 51 and is fixed on institute
State in the described positioning spiro pit 21 of backing plate 2；
Second step: the end face of one end, hole 34, cylindrical location of second described module 3 is adjacent to first described module 3 needs
Constitute the oblong lateral surface of described square die cavity, and make an oblong lateral surface of second described module 3 and at the first of its homonymy
The distance of the end face of module 3 described in root is equal to length or the width dimensions of described square die cavity, then by described cylindrical location
Second described module 3 is positioned and secured to described backing plate 2 by pin 52, described diamond positioning pin 53 and described sunk screw 51
Described positioning spiro pit 21 in；
3rd step: the end face of one end, hole 34, cylindrical location of the 3rd described module 3 is adjacent to second described module 3 needs
Constitute the oblong lateral surface of described square die cavity, and make the distance with first described module 3 of the 3rd described module 3 be equal to
Another length of described square die cavity or width dimensions, then by described Cylindrical locating pins 52, described diamond positioning pin 53
With described sunk screw 51, the 3rd described module 3 is positioned and secured in the described positioning spiro pit 21 of described backing plate 2；
4th step: the end end face in the hole 34 1, cylindrical location of the 4th described module 3 is adjacent to the 3rd described module 3 needs
Constitute the oblong lateral surface of described square die cavity, and with 3, second described module 3 of first described module and the 3rd institute
State module 3 and jointly surround described square die cavity, then by described Cylindrical locating pins 52, described diamond positioning pin 53 and institute
State sunk screw 51 the 4th described module 3 to be positioned and secured in the described positioning spiro pit 21 of described backing plate 2.
Further, the assemble method of Combined square-hole punching and blanking die, also include, two kinds of tune of the cutting edge of the long rib of described module 3
Change method:
The first: remove for location and fixing need to exchange the described Cylindrical locating pins 52 of the described module 3 of cutting edge, described
Diamond positioning pin 53 and described sunk screw 51, it would be desirable to the described module 3 exchanging cutting edge is clockwise or inverse along its short rib direction
Hour hands turn over rotation 180 °, then by described Cylindrical locating pins 52, described diamond positioning pin 53 and described sunk screw 51
It is positioned and secured to needing the described module 3 exchanging cutting edge in the described positioning spiro pit 21 of described backing plate 2；
The second: remove for location and fixing need to exchange the described Cylindrical locating pins 52 of the described module 3 of cutting edge, described
Diamond positioning pin 53 and described sunk screw 51, it would be desirable to the described module 3 exchanging cutting edge is clockwise or inverse along its long rib direction
Hour hands turn over rotation 180 °, then by described Cylindrical locating pins 52, described diamond positioning pin 53 and described sunk screw 51
It is positioned and secured to needing the described module 3 exchanging cutting edge in the described positioning spiro pit 21 of described backing plate 2.
These are only the preferably specific embodiment of the present invention, it describes more concrete and detailed, but can not therefore be interpreted as
Restriction 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, without departing from this
On the premise of bright design, it is also possible to make some equivalent transformations, these belong to protection scope of the present invention.
Claims (7)
1. a Combined square-hole punching and blanking die, comprises die holder (1) and is arranged on the upper plane spaced set of described die holder (1)
There is the backing plate (2) of some positioning spiro pits (21), it is characterised in that: also include being placed in the four of the upper plane of described backing plate (2)
Root cross section of breaking is foursquare cuboid module (3), and four long ribs of described module (3) are equipped with cutting edge, along its long rib direction
Mutually isolated and the laterally zygomorphic counter sunk mounting holes of at least two (32) and the cylinder being isolated is offered in any plane
Hole, location (34) and rhombus hole, location (35), described counter sunk mounting holes (32), cylindrical hole, location (34) and rhombus
The integral multiple of positioning spiro pit (21) pitch-row that hole, location (35) distance between any two is on described backing plate (2), utilizes
Four described modules (3) surround the square die cavity of arbitrary size, and by sunk screw (51), Cylindrical locating pins (52) and
Diamond positioning pin (53) is positioned and installed in the described positioning spiro pit (21) on described backing plate (2), described square die cavity
In be additionally provided with stripper (6) and the material returned bar (7) being connected with stripper (6).
A kind of Combined square-hole punching and blanking die, it is characterised in that: described positioning spiro pit (21)
It is made up of epimere hole, location and hypomere screwed hole, wherein positions the diameter in hole more than screwed hole diameter.
A kind of Combined square-hole punching and blanking die, it is characterised in that: described counter sunk mounting holes (32)
Quantity be two.
A kind of Combined square-hole punching and blanking die, it is characterised in that: described stripper sets on (6)
There are several counter sinks (61), the pitch-row of the pitch-row of counter sink (61) and the positioning spiro pit (21) on described backing plate (2)
Become integral multiple.
A kind of Combined square-hole punching and blanking die, it is characterised in that: described material returned bar (7) is for setting
Have a cylinder of large, medium and small three sections of diameters, wherein in the diameter of diameter segment less than the diameter of described positioning spiro pit (21), little directly
Footpath section sequentially passes through material returned hole (11) that described die holder (1) is provided with and the positioning threads that described backing plate (2) is provided with from bottom to top
Hole (21) is stretched in the counter sink (61) of described stripper (6), and by being installed on pad (8) and the opening of its end
Back-up ring (9) is by spacing for described stripper (6) reduced diameter section being fixed on described material returned bar (7).
6. the assemble method according to the Combined square-hole punching and blanking die described in any one of claim 1 to 5, it is characterised in that
Comprise the steps:
The first step: the size of the square die cavity that described Combined square-hole punching and blanking die surrounds is only described module (3) width and adds
The integral multiple of described positioning spiro pit (21) spacing, in conjunction with needed for the size selected reference position of square die cavity, by first
Described module (3) is by described Cylindrical locating pins (52), described diamond positioning pin (53) and described sunk screw (51)
It is located and is fixed in the described positioning spiro pit (21) of described backing plate (2)；
Second step: the end face of hole (34) one end, cylindrical location of second described module (3) is adjacent to first described module
(3) oblong lateral surface of square die cavity described in the pattern of wants, and make an oblong lateral surface of second described module (3) with
The distance of the end face of first described module (3) of its homonymy is equal to length or the width dimensions of described square die cavity, then passes through
Described Cylindrical locating pins (52), described diamond positioning pin (53) and described sunk screw (51) are by second described module (3)
It is positioned and secured in the described positioning spiro pit (21) of described backing plate (2)；
3rd step: the end face of hole (34) one end, cylindrical location of the 3rd described module (3) is adjacent to second described module
(3) oblong lateral surface of square die cavity described in the pattern of wants, and make the 3rd described module (3) with first described module
(3) distance equal to another length of described square die cavity or width dimensions, then by described Cylindrical locating pins (52),
3rd described module (3) is positioned and secured to described backing plate by described diamond positioning pin (53) and described sunk screw (51)
(2) in described positioning spiro pit (21)；
4th step: the end end face in the hole (34), cylindrical location of the 4th described module (3) is adjacent to the 3rd described module
(3) oblong lateral surface of square die cavity described in the pattern of wants, and with first described module (3), second described module (3)
And the 3rd described module (3) surrounds described square die cavity jointly, then by described Cylindrical locating pins (52), described
4th described module (3) is positioned and secured to described backing plate (2) by diamond positioning pin (53) and described sunk screw (51)
Described positioning spiro pit (21) in.
A kind of assemble method of Combined square-hole punching and blanking die, 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 location and fixing need to exchange the described module (3) of cutting edge described Cylindrical locating pins (52),
Described diamond positioning pin (53) and described sunk screw (51), it would be desirable to exchange the described module (3) of cutting edge along its short rib side
To turning over rotation 180 ° clockwise or counterclockwise, then by described Cylindrical locating pins (52), described diamond positioning pin (53)
The described module (3) exchanging cutting edge will be needed to be positioned and secured to the described of described backing plate (2) with described sunk screw (51)
In positioning spiro pit (21)；
The second: remove for location and fixing need to exchange the described module (3) of cutting edge described Cylindrical locating pins (52),
Described diamond positioning pin (53) and described sunk screw (51), it would be desirable to exchange the described module (3) of cutting edge along its long rib side
To turning over rotation 180 ° clockwise or counterclockwise, then by described Cylindrical locating pins (52), described diamond positioning pin (53)
The described module (3) exchanging cutting edge will be needed to be positioned and secured to the described of described backing plate (2) with described sunk screw (51)
In positioning spiro 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105945127A true CN105945127A (en) | 2016-09-21 |
| CN105945127B CN105945127B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610294056.1A Active 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834146A (en) * | 2019-04-12 | 2019-06-04 | 冯程阳 | A kind of metal shell stamping parts system of processing and its method |
| CN111390014A (en) * | 2020-03-26 | 2020-07-10 | 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 |
Citations (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 |
-
2016
- 2016-05-04 CN CN201610294056.1A patent/CN105945127B/en active Active
Patent Citations (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 |
Non-Patent Citations (1)
| Title |
|---|
| 电子工业部组合冲模设计工作组: "组合冲模设计与使用", 《电子工艺技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834146A (en) * | 2019-04-12 | 2019-06-04 | 冯程阳 | A kind of metal shell stamping parts system of processing and its method |
| CN111390014A (en) * | 2020-03-26 | 2020-07-10 | 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 |
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| Publication number | Publication date |
|---|---|
| CN105945127B (en) | 2017-12-29 |
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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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