CN106623589B - A kind of scrap cutter of blanking die - Google Patents
A kind of scrap cutter of blanking die Download PDFInfo
- Publication number
- CN106623589B CN106623589B CN201610875509.XA CN201610875509A CN106623589B CN 106623589 B CN106623589 B CN 106623589B CN 201610875509 A CN201610875509 A CN 201610875509A CN 106623589 B CN106623589 B CN 106623589B
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- China
- Prior art keywords
- die
- pin
- plate
- cavity
- sliding seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a kind of scrap cutter of blanking die, including punch-pin, cavity plate, sliding seat, die holder, die-pin, cylinder, fixing sleeve and the first spring installing plate.Since die-pin has driven product to have dropped a certain distance during punching, in punching, die-pin need to only decline a small distance again, and the sum of the first time falling head of die-pin and second falling head are punching height.When the scrap cutter of blanking die is punched, product only needs to decline second of falling head, after the completion of punching, snap-off-distance of the die-pin under the effect of the first compressed spring restoring force is also the distance of second of falling head, shorten relative to snap-off-distance of the die-pin in the prior art under the effect of the first compressed spring restoring force, the restoring force that first compressed spring provides also accordingly reduces, so as to reduce the damage caused by covering edge.
Description
Technical field
The present invention relates to metal working technical area, more particularly to a kind of scrap cutter of blanking die.
Background technology
Mould design and manufacture technology is the core technology of modern punching production, with the fast development of modern manufacturing industry, phase
Automobile industry is closed while pursuit production is efficient, safe and reliable, the requirement to spare and accessory parts quality also increasingly improves, especially core
The quality of heart parts, especially appearance requirement are also higher and higher.
Covering in automobile industry has the characteristics that material is thin, complex-shaped, structure size is big and surface quality requirements
The features such as high.The waste material appearance and size of covering is big, and deburring shape is more complicated, it is impossible to use general discharging ring discharging, need
After being cut off using scrap cutter, discharging is just convenient and safe.
Scrap cutter of the prior art includes punch-pin and cavity plate, and mold core, punch-pin band moving-mould-core blanking are provided on punch-pin
Product enters cavity plate cut-out waste material.Compressed spring is provided on die-pin, when mold core is punched product, product can be with cavity plate one
It rises and declines, mold core rises after the completion of punching, and die-pin drives cavity plate to rise under the restoring force effect of compressed spring, due to recessed
Mould can be swung in uphill process, and the edge and cavity plate inner cavity for leading to covering rub, and cause to damage, influence covering
Surface quality.
Therefore, the damage to covering edge during scrap cutter cuts off waste material how is reduced, becomes this field skill
The technical issues of art personnel are urgently to be resolved hurrily.
Invention content
In view of this, the present invention provides a kind of scrap cutters of blanking die, and waste material is cut off in scrap cutter to reduce
In the process to the damage at covering edge.
To achieve the above object, the present invention provides following technical solution：
A kind of scrap cutter of blanking die, including：
Punch-pin, the punch-pin are connect by die shank with upper mold seat, and the lower end of the punch-pin is provided with mold core；
With the cavity plate of punch-pin cooperation, the die cavity coordinated with the mold core is provided on the cavity plate；
The sliding seat being connect with the cavity plate lower end is provided with the cavity opened up along its axis direction in the sliding seat；
Be set in the die holder of the sliding seat outer wall, the die holder and the sliding seat clearance fit, and it is described under
The guide rail for being swung for the sliding seat is provided in die holder, the swaying direction of the sliding seat is along the die holder
The up and down motion of axis direction and the horizontal movement of radial direction along the die holder；
The die-pin that can be slided along the die cavity of the cavity plate and the cavity of the sliding seat, the die-pin include
The first die-pin for coordinating with the mould intracavity wall of the cavity plate, coordinate with the cavity top inner wall of the sliding seat it is second recessed
Mould mandril and the third die-pin being connect with second die-pin；
Fixing sleeve positioned at the sliding seat lower end is provided with the first compressed spring, first pressure in the fixing sleeve
Contracting spring upper end is provided with upper junction plate, and lower end is provided with lower connecting plate, the upper junction plate under the third die-pin
End connection, the upper junction plate and the lower connecting plate can be slided along the inner wall of the fixing sleeve；
It is arranged on the first spring installing plate that the fixing sleeve lower end is used to support the fixing sleeve；
Cylinder, the piston rod of the cylinder are connect across the first spring installing plate with the lower connecting plate.
Preferably, it in the scrap cutter of above-mentioned blanking die, further includes：
With the second spring installing plate of the first spring installing plate parallel arrangement, the first spring installing plate and described
The second compressed spring is provided between second spring installing plate.
Preferably, in the scrap cutter of above-mentioned blanking die, the installation along its axis direction is provided in the punch-pin
Hole is provided with to buffer thimble of the punch-pin to the cavity plate impact force in the mounting hole.
Preferably, in the scrap cutter of above-mentioned blanking die, the number of the mounting hole is four, and the thimble
Number is four.
It can be seen from the above technical proposal that the scrap cutter of blanking die provided by the invention, including punch-pin, cavity plate,
Sliding seat, die holder, die-pin, fixing sleeve, upper junction plate, lower connecting plate, the first compressed spring, cylinder and the first spring peace
Loading board.Upper junction plate, lower connecting plate and the first compressed spring form an overall structure, can be under the pulling of cylinder along solid
Surely the inner wall covered slides.During the scrap cutter work of blanking die, product is placed on to the first cavity plate top of die-pin first
The upper surface of bar, cylinder pull lower connecting plate to move downward first time falling head, upper junction plate, the first compressed spring and lower company
Fishplate bar is together along the inner wall slide downward first time falling head of fixing sleeve, and die-pin is under gravity along cavity plate
Die cavity move downward first time falling head, product declines first time falling head together with die-pin, then punch-pin
Band moving-mould-core declines, and mold core continues to be pressed downward die-pin movement, until the lower face of punch-pin and the upper surface of cavity plate offset, it is convex
Mould applies cavity plate downward pressure, and cavity plate pushes sliding seat to move the punching realized to waste material along the guide rail of die holder.Punching
Since die-pin has driven product to have dropped first time falling head during sanction, in punching, die-pin need to only decline the again
Secondary falling head, the sum of first time falling head and second falling head are the height of mold core.In the waste material of blanking die
When cutter is punched, product only needs to decline second of falling head, and after the completion of punching, die-pin is in the first pressure
Snap-off-distance under the effect of contracting spring-return power is also the distance of second of falling head, relative to die-pin in the prior art
Snap-off-distance under the effect of the first compressed spring restoring force shortens, and the restoring force that the first compressed spring provides also accordingly reduces,
So as to reduce the damage caused by covering edge.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the punch-pin of the scrap cutter of blanking die provided in an embodiment of the present invention；
Fig. 2 is the scrap cutter of blanking die provided in an embodiment of the present invention except the structure diagram of punch-pin outer portion.
1st, punch-pin, 2, sliding seat, 3, die holder, the 4, first die-pin, the 5, second die-pin, 6, third cavity plate top
Bar, 7, cylinder, 8, fixing sleeve, the 9, first compressed spring, the 10, first spring installing plate, 11, second spring installing plate, 12, second
Compressed spring, 13, thimble.
Specific embodiment
The invention discloses a kind of scrap cutter of blanking die, to reduce during scrap cutter cuts off waste material to covering
The damage at cover piece edge.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1 and Fig. 2, Fig. 1 be blanking die provided in an embodiment of the present invention scrap cutter punch-pin structure
Schematic diagram；Fig. 2 is the scrap cutter of blanking die provided in an embodiment of the present invention except the structure diagram of punch-pin outer portion.
The invention discloses a kind of scrap cutter of blanking die, including punch-pin 1, cavity plate, sliding seat 2, die holder 3, recessed
Mould mandril, cylinder 7, fixing sleeve 8, upper junction plate, lower connecting plate, the first compressed spring and the first spring installing plate 10.
Punch-pin 1 is connect by die shank with upper mold seat, and punch-pin 1 moves together with die shank and upper mold seat, and the lower end of punch-pin 1 is set
Mold core is equipped with, mold core is used to control depth of cut of the scrap cutter to waste material.
Cavity plate coordinates with punch-pin 1, and the die cavity coordinated with mold core is provided on cavity plate, and mold core is stretched into the die cavity of cavity plate.
Sliding seat 2 is connect with cavity plate lower end, is formed an entirety, is provided with what is opened up along its axis direction in sliding seat 2
The die cavity of cavity, cavity and cavity plate is coaxially arranged, and punch-pin 1 and the end face of cavity plate offset, and punch-pin 1 applies cavity plate downward pressure
Power, sliding seat 2 and cavity plate move downward simultaneously, and after punching, sliding seat 2 and cavity plate rise simultaneously.
Die holder 3 is set in the outer wall of sliding seat 2, die holder 3 and 2 clearance fit of sliding seat, and is provided in die holder 3
For the guide rail swung for sliding seat 2, the swaying direction of sliding seat 2 is the up and down motion along 3 axis direction of die holder and edge
The horizontal movement of 3 radial direction of die holder, realizes cutting of 1 upper cutter of punch-pin in four direction.
Die-pin can be slided along the die cavity of cavity plate and the cavity of sliding seat 2, and die-pin includes the die cavity with cavity plate
First die-pin 4 of inner wall cooperation, the second die-pin 5 coordinated with the cavity top inner wall of sliding seat 2 and with it is second recessed
The third die-pin 6 that mould mandril 5 connects.
Fixing sleeve 8 is arranged on the lower end of sliding seat 2, and the centre of fixing sleeve 8 is provided with cavity, the first pressure is provided in cavity
Contracting spring 9, the upper end of the first compressed spring 9 are provided with upper junction plate, and lower end is provided with lower connecting plate, upper junction plate, the first pressure
Contracting spring 9 is fixedly connected with lower connecting plate three, and form a whole structure, the synchronous axis oscilaltion along fixing sleeve 8.
Fixing sleeve 8 plays upper junction plate, the first compressed spring 9 and lower connecting plate fixed and guiding role.
First spring installing plate 10 is arranged on the lower end of fixing sleeve 8, for fixing sleeve 8 and above fixing sleeve 8
Device is played a supporting role.
The piston rod of cylinder 7 is connect across the first spring installing plate 10 with lower connecting plate, and cylinder 7 drives upper junction plate, the
The axis oscilaltion along fixing sleeve 8 synchronous with lower connecting plate of one compressed spring 9.
Blanking die scrap cutter work when, product is placed on first die-pin the first die-pin 4 it is upper
End face, cylinder 7 pull lower connecting plate to move downward first time falling head, upper junction plate, the first compressed spring 9 and lower connecting plate
Together along the inner wall slide downward first time falling head of fixing sleeve 8, die-pin is under gravity along cavity plate
Die cavity moves downward first time falling head, and product declines first time falling head together with die-pin, then 1 band of punch-pin
Moving-mould-core declines, and mold core continues to be pressed downward die-pin movement, until the lower face of punch-pin 1 and the upper surface of cavity plate offset, it is convex
Mould 1 applies cavity plate downward pressure, and cavity plate pushes sliding seat 2 to move the punching realized to waste material along the guide rail of die holder 3.
Since die-pin has driven product to have dropped first time falling head during punching, in punching, die-pin need to only decline again
Second of falling head, the sum of first time falling head and second falling head are the height of mold core.In the useless of blanking die
When material cutter is punched, product only needs to decline second of falling head, and after the completion of punching, die-pin is first
Snap-off-distance under the effect of compressed spring restoring force is also the distance of second of falling head, relative to cavity plate top in the prior art
Snap-off-distance of the bar under the effect of the first compressed spring restoring force shortens, and the restoring force that the first compressed spring provides also accordingly subtracts
It is small, so as to reduce the damage caused by covering edge.
The scrap cutter for the blanking die that this programme provides further includes：With the second of the first spring installing plate 10 parallel arrangement
Spring installing plate 11 is provided with the second compressed spring 12 between first spring installing plate 10 and second spring installing plate 11.
First spring installing plate 10 and second spring installing plate 11 provide installation foundation for the second compressed spring 12, are punched
When, 1 downward punching press of punch-pin, cavity plate and sliding seat 2 move downward, and fixing sleeve 8 is pushed to move downward, and fixing sleeve 8 pushes the at this time
One spring installing plate 10, which moves downward, squeezes the second compressed spring 12, weakens sliding seat 2 to the impact force of fixing sleeve 8, plays guarantor
The effect of the scrap cutter of shield punching grinding tool.
Space between first spring installing plate 10 and second spring installing plate 11 provides installation foundation for cylinder 7.
When not cutting, the first die-pin 4 of die-pin is located in the die cavity of cavity plate, and the first die-pin 4 is upper
End face is concordant with the die cavity upper surface of cavity plate, and product is directly placed at the upper surface of the first die-pin 4；
When preparation is cut, cylinder 7 drives upper junction plate to move downward pre-determined distance, and die-pin declines under the effect of gravity
Pre-determined distance, naming the pre-determined distance herein, the mold core of punch-pin 1 stretches into the mould of cavity plate not yet at this time for first time falling head
Intracavitary, and first time falling head be less than cut height；
During cutting, mold core is contacted with product, die-pin is pushed to continue to drop to depth of cut, at this time die-pin
Dropping distance be named as second of falling head, the sum of first time falling head and second falling head are depth of cut,
That is the height of mold core；
After mold core pushes die-pin to drop to depth of cut, the lower face of punch-pin 1 is contacted with the upper surface of cavity plate, punch-pin
1 promotion cavity plate and sliding seat 2 move downwardly together, and sliding seat 2 is swung along the guide rail of die holder 3, is realized to product
It cuts.
Die-pin declines first time falling head first, and the first compressed spring 9 is not compressed at this time, and die-pin is in mold core
Promotion under decline second of falling head, at this time the first compressed spring 9 compress second of falling head distance.
After the completion of cutting, die-pin only springs back the distance of second of falling head, compressing force and compression due to spring
Apart from directly proportional, in depth of cut under second of falling head is apparent in this programme, the compressing force of the first compressed spring 9 is also just bright
It is aobvious to reduce, the power being applied on product is sprung back during second of falling head so as to reduce die-pin to a certain extent,
Also power of the product collision in cavity plate mould intracavity wall is just reduced, so as to effectively reduce the damage to covering.
After the completion of cutting, cylinder 7 pushes lower connecting plate movement, and lower connecting plate pushes the first compressed spring 9 and upper junction plate
It moves upwards, upper junction plate promotion die-pin rises to the upper surface of cavity plate, and product is pushed to also with die-pin at this time
The upper surface of cavity plate, the motive force that cylinder 7 provides are a stable power, and product will not be made to beat in the die cavity of cavity plate, from
And it further reduced the damage to covering.
The mounting hole along its axis direction is provided in punch-pin 1, is provided in mounting hole and cavity plate is hit for buffering punch-pin 1
The thimble 13 of power is hit, is that thimble 13 and the upper surface of cavity plate connect first when the lower face of punch-pin 1 is contacted with the upper surface of cavity plate
It touches, can effectively slow down the impact force between punch-pin 1 and cavity plate, play the role of protecting cutting mould.
The number of mounting hole is four, and the number of thimble 13 is four, and thimble 13 is real symmetrically in the axis both sides of mold core
Now to effective dispersion of impact force.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (4)
1. a kind of scrap cutter of blanking die, which is characterized in that including：
Punch-pin (1), the punch-pin (1) are connect by die shank with upper mold seat, and the lower end of the punch-pin (1) is provided with mold core；
With the cavity plate of the punch-pin (1) cooperation, the die cavity coordinated with the mold core is provided on the cavity plate；
The sliding seat (2) being connect with the cavity plate lower end is provided with the sky opened up along its axis direction on the sliding seat (2)
Chamber；
The die holder (3) of the sliding seat (2) outer wall, the die holder (3) and the sliding seat (2) clearance fit are set in,
And the guide rail for being swung for the sliding seat (2), the swaying direction of the sliding seat (2) are provided in the die holder (3)
Up and down motion for the axis direction along the die holder (3) and the horizontal fortune of the radial direction along the die holder (3)
It is dynamic；
The die-pin that can be slided along the die cavity of the cavity plate and the cavity of the sliding seat (2), the die-pin include
What the first die-pin (4) and the cavity top inner wall of the sliding seat (2) coordinated with the mould intracavity wall of the cavity plate coordinated
Second die-pin (5) and the third die-pin (6) being connect with second die-pin (5)；
Fixing sleeve (8) positioned at the sliding seat (2) lower end, the fixing sleeve (8) is interior to be provided with the first compressed spring (9), institute
It states the first compressed spring (9) upper end and is provided with upper junction plate, lower end is provided with lower connecting plate, the upper junction plate and the third
Die-pin (6) lower end connects, and the upper junction plate and the lower connecting plate can be slided along the inner wall of the fixing sleeve (8)
It is dynamic；
It is arranged on the first spring installing plate (10) that the fixing sleeve (8) lower end is used to support the fixing sleeve (8)；
Cylinder (7), the piston rod of the cylinder (7) are connect across the first spring installing plate (10) with the lower connecting plate.
2. the scrap cutter of blanking die according to claim 1, which is characterized in that further include：
With the second spring installing plate (11) of the first spring installing plate (10) parallel arrangement, the first spring installing plate
(10) the second compressed spring (12) is provided between the second spring installing plate (11).
3. the scrap cutter of blanking die according to claim 1, which is characterized in that be provided with edge in the punch-pin (1)
The mounting hole of its axis direction is provided with to buffer top of the punch-pin (1) to the cavity plate impact force in the mounting hole
Needle (13).
4. the scrap cutter of blanking die according to claim 3, which is characterized in that the number of the mounting hole is four
It is a, and the number of the thimble (13) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875509.XA CN106623589B (en) | 2016-09-30 | 2016-09-30 | A kind of scrap cutter of blanking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875509.XA CN106623589B (en) | 2016-09-30 | 2016-09-30 | A kind of scrap cutter of blanking die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106623589A CN106623589A (en) | 2017-05-10 |
| CN106623589B true CN106623589B (en) | 2018-06-19 |
Family
ID=58854294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610875509.XA Active CN106623589B (en) | 2016-09-30 | 2016-09-30 | A kind of scrap cutter of blanking die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106623589B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160623U (en) * | 1982-04-19 | 1983-10-26 | マツダ株式会社 | Press trimming processing equipment |
| DE202005005614U1 (en) * | 2005-04-08 | 2006-08-17 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Metalworking tool for sheet metal, has opening in base part of processing unit, with abutment surface on each side of opening for supporting processing member |
| CN202893952U (en) * | 2012-11-06 | 2013-04-24 | 福州锐新金属有限公司 | Novel precision stamping die with composite type auxiliary stripping device for braking steel backs |
| CN203030707U (en) * | 2013-01-25 | 2013-07-03 | 卧龙电气集团股份有限公司 | Motor iron core blanking die with floating female die |
| CN103433974A (en) * | 2013-08-30 | 2013-12-11 | 太仓市微贯机电有限公司 | Mica sheet blanking die |
| CN203853432U (en) * | 2014-05-07 | 2014-10-01 | 奇瑞汽车股份有限公司 | Covering part trimming die |
| CN104438551A (en) * | 2013-09-25 | 2015-03-25 | 熊海强 | Automatic waste discharge lower die for double-edge cutting die |
| CN204486642U (en) * | 2014-12-20 | 2015-07-22 | 重庆天业模具冲压制造有限公司 | Two elastic ejector device |
| CN206241026U (en) * | 2016-09-30 | 2017-06-13 | 东莞市骏信机电科技有限公司 | A kind of scrap cutter of blanking die |
-
2016
- 2016-09-30 CN CN201610875509.XA patent/CN106623589B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160623U (en) * | 1982-04-19 | 1983-10-26 | マツダ株式会社 | Press trimming processing equipment |
| DE202005005614U1 (en) * | 2005-04-08 | 2006-08-17 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Metalworking tool for sheet metal, has opening in base part of processing unit, with abutment surface on each side of opening for supporting processing member |
| CN202893952U (en) * | 2012-11-06 | 2013-04-24 | 福州锐新金属有限公司 | Novel precision stamping die with composite type auxiliary stripping device for braking steel backs |
| CN203030707U (en) * | 2013-01-25 | 2013-07-03 | 卧龙电气集团股份有限公司 | Motor iron core blanking die with floating female die |
| CN103433974A (en) * | 2013-08-30 | 2013-12-11 | 太仓市微贯机电有限公司 | Mica sheet blanking die |
| CN104438551A (en) * | 2013-09-25 | 2015-03-25 | 熊海强 | Automatic waste discharge lower die for double-edge cutting die |
| CN203853432U (en) * | 2014-05-07 | 2014-10-01 | 奇瑞汽车股份有限公司 | Covering part trimming die |
| CN204486642U (en) * | 2014-12-20 | 2015-07-22 | 重庆天业模具冲压制造有限公司 | Two elastic ejector device |
| CN206241026U (en) * | 2016-09-30 | 2017-06-13 | 东莞市骏信机电科技有限公司 | A kind of scrap cutter of blanking die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106623589A (en) | 2017-05-10 |
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Effective date of registration: 20200420 Address after: Zha Cun Hengli Town new oil city of Dongguan province Guangdong 523000 Large Road No. 11 Patentee after: DONGGUAN JUNYI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: Zha Cun Hengli Town new oil city of Dongguan province Guangdong 523000 Large Road No. 11 Patentee before: DONGGUAN JUNXIN ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
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