CN205056804U - Cement cover modulus of continuity - Google Patents
Cement cover modulus of continuity Download PDFInfo
- Publication number
- CN205056804U CN205056804U CN201520696313.5U CN201520696313U CN205056804U CN 205056804 U CN205056804 U CN 205056804U CN 201520696313 U CN201520696313 U CN 201520696313U CN 205056804 U CN205056804 U CN 205056804U
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- drift
- cut
- bending punch
- stripper plate
- train wheel
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Abstract
The utility creatively provides a cement cover modulus of continuity, including last mould and lower mould, go up the mould including fixed connection's in proper order upper die base, punch holder, take off flitch and fixed punch, the lower mould is including fixed connection's bottom block, die holder, lower bolster and lower bolster in proper order, fixed punch installs on taking off the flitch, taking off the flitch and passing through equal -height sleeve and be connected with the punch holder, the punch holder passes through lower mould screw and die holder fixed connection through last mould screw and upper die base fixed connection, lower bolster, and two last processes of the modulus of continuity are provided with respectively to be cut off the drift and bend the drift, cuts off the drift and fixes on the punch holder, and during the upper end that cuts off the drift extended to and takes off the flitch, the drift of bending was fixed on the punch holder, cuts off the drift ratio and bends the drift and exceed 0.5 -5mm. The utility model discloses the creation has realized the one -time forming process of cement cover and similar hardware through stamping equipment, and hardware processing technology has been optimized to multiple different technologies such as processing technology has included the punching press, cut off, bend.
Description
Technical field
The invention belongs to class and manufactures field, especially relates to a kind of cement cover progressive die.
Background technology
The progressive die, refers to that forcing press is in a punching stroke, adopts banded punching press raw material, a secondary mould completes with several different station the cold stamping punch die of multi-step forming processes simultaneously, the every punching press of mould completes once, material strip fixed-distance moving once, until Product processing completes.The progressive die in existing punching press field, can only by the grading feeding of fixing step pitch of mould setting itself, the bending and molding of material strip cannot be realized, particularly cannot realize first cutting off, the continuous forming process of rear bending, cause the complexity of manufacturing process and the raising of production cost.
Summary of the invention
In view of this, the invention is intended to propose a kind of cement cover progressive die, to realize that handware cuts off, bending technique integrated, improve handware formed precision and stability.
For achieving the above object, the technical scheme of the invention is achieved in that
A kind of cement cover progressive die, comprise patrix and counterdie, described patrix comprises the upper bolster be fixedly connected sequentially, train wheel bridge, stripper plate and fixing drift, described counterdie comprises the bottom seat pad be fixedly connected sequentially, die shoe, lower bolster and lower bolster, described fixing drift is arranged on described stripper plate, wherein, described stripper plate is connected with train wheel bridge by contour sleeve, described train wheel bridge is fixedly connected with upper bolster by patrix screw, described lower bolster is fixedly connected with die shoe by counterdie screw, latter two operation of the described progressive die is respectively arranged with cuts off drift and Bending punch, described cut-out drift is fixed on train wheel bridge, the upper end of described cut-out drift extends in stripper plate, described Bending punch is fixed on train wheel bridge, described cut-out drift exceeds 0.5-5mm than Bending punch.
Further, described stripper plate feeding mouth place is provided with guid needle.
Further, described lower bolster is also arranged with two row's floating pins.
Further, described stripper plate is symmetrically arranged with at least four auxiliary guide column and four ball guide pillars.
Further, the discharge outlet of described upper die and lower die is provided with air gun shower nozzle.
Further, described cut-out Bending punch is than Bending punch height 2mm.
Further, described cut-out Bending punch is than Bending punch height 3mm.
Further, the number of described fixing drift is 2-6.
Further, described fixing drift, cut-out drift and Bending punch are arranged in order on an axis.
Further, described lower bolster outlet end is provided with lower de-material block.
Relative to prior art, the cement cover progressive die described in the invention has following advantage:
(1) the cement cover progressive die of the present invention achieves the simultaneous manufacturing of cement cover and similar handware by a pressing equipment, processing technology includes the multiple different process such as punching press, cut-out, bending, optimize handware processing technology, greatly can reduce production cost by the integrated equipment after optimization and technique, reduce cost of labor simultaneously.
(2) the cement cover progressive die of the present invention ensures mould and die accuracy by four ball guide pillars and four auxiliary guide column.
(3) the cement cover progressive die of the present invention ensure that the precision of each work step feeding by the branched guid needle of patrix both sides, and then ensure that the dimensional accuracy of product.
(4) can not produce waste material between each operation of the cement cover progressive die of the present invention and labor and materials, workpiece falls into material basket finally by the blowout of air gun shower nozzle, does not need workman to collect by hand.
Accompanying drawing explanation
The accompanying drawing of the part of formation the invention is used to provide the further understanding to the invention, and the schematic description and description of the invention, for explaining the invention, does not form the improper restriction to the invention.In the accompanying drawings:
Fig. 1 is a kind of embodiment of the cement cover progressive die described in the invention embodiment.
Description of reference numerals:
10-patrix, 11-upper bolster, 12-train wheel bridge, 13-stripper plate, 20-counterdie, 21-bottom seat pad, 22-die shoe, 23-lower bolster, 24-lower bolster, 31-auxiliary guide column, 32-floating pin, the contour sleeve of 33-, 34-cuts off drift, 35-Bending punch, 36-counterdie screw, 37-patrix screw.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the invention and the feature in embodiment can combine mutually.
1 also describe the invention in detail below with reference to the accompanying drawings in conjunction with the embodiments.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35.
The cut-out drift 34 that order is arranged and Bending punch 35, can realize once cut-out, the bending technique of cement cover or similar handware, optimize the processing technology of original handware on same equipment.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35, described stripper plate 13 feeding mouth place is provided with guid needle.
In the first stamping procedure that described material strip carries out, guid needle makes a call to a guide hole in the middle part of material strip, follow-up Sheet Metal Forming Technology is all located with this guide hole, ensure that the precise degrees of handware Sheet Metal Forming Technology, described guide hole in the end drops as the center of interstitial hole together punching press in one technique, can not leave unnecessary hole in handware.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35, described lower bolster 24 is also arranged with two row's floating pins 32.
In order to ensure that banded punching position in multi-step forming processes keeps stable and consistent, so be provided with two row's floating pins 32 in material strip both sides, this floating pin 32 top is provided with one ring dress inner groovy, material strip, a little more than the thickness of material strip, therefore can be strapped in floating life can not affect again material strip stepping in pin by the height of this ring dress inner groovy.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35, described stripper plate 13 is symmetrically arranged with at least four auxiliary guide column 31 and four ball guide pillars.
One of described four ball guide pillars and four auxiliary guide column 31 common guarantee mould punchings are made peace stable, thus ensure the precision that punching press handware is shaping.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35, the discharge outlet of described patrix 10 and counterdie 20 is provided with air gun shower nozzle.
No waste mine between the workpiece of the progressive die and workpiece, workpiece falls into material basket finally by the blowout of air gun shower nozzle, does not need workman to collect by hand.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5mm than Bending punch 35.
Described cut-out drift 34 0.5mm higher than Bending punch 35, cut-out drift 34 is higher than Bending punch 35, namely when punching press action, cut off the first contact hardware of drift 34, first realize cutting off action, then realize flexing movement by Bending punch 35, cut-out, a bending punching press realize.This embodiment is applicable to thinner handware cut-out, bending punching press.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 2mm than Bending punch 35.
Described cut-out drift 34 2mm higher than Bending punch 35, cut-out drift 34 is higher than Bending punch 35, namely when punching press action, cut off the first contact hardware of drift 34, first realize cutting off action, then realize flexing movement by Bending punch 35, cut-out, a bending punching press realize.This embodiment is applicable to common handware cut-out, bending punching press.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 3mm than Bending punch 35.
Described cut-out drift 34 3mm higher than Bending punch 35, cut-out drift 34 is higher than Bending punch 35, namely when punching press action, cut off the first contact hardware of drift 34, first realize cutting off action, then realize flexing movement by Bending punch 35, cut-out, a bending punching press realize.This embodiment is applicable to thicker handware cut-out, bending punching press.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 5mm than Bending punch 35.
Described cut-out drift 34 5mm higher than Bending punch 35, cut-out drift 34 is higher than Bending punch 35, namely when punching press action, cut off the first contact hardware of drift 34, first realize cutting off action, then realize flexing movement by Bending punch 35, cut-out, a bending punching press realize.This embodiment is applicable to extremely thick handware cut-out, bending punching press.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35, the number of described fixing drift is 2-6.
The corresponding punching press action of each fixing drift, different according to the complexity of handware, can arrange multiple fixing drift flexibly, corresponding current handware, general 2-6 fixing drift can realize the punch forming of handware.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35, described fixing drift, cut-out drift 34 and Bending punch 35 are arranged in order on an axis.
This set is general setting, and when Bending punch 35 is for being symmetrical arranged, Bending punch 35 is symmetrically arranged amongst the both sides of this axis.
A kind of cement cover progressive die, comprise patrix 10 and counterdie 20, described patrix 10 comprises the upper bolster 11 be fixedly connected sequentially, train wheel bridge 12, stripper plate 13 and fixing drift, described counterdie 20 comprises the bottom seat pad 21 be fixedly connected sequentially, die shoe 22, lower bolster 23 and lower bolster 24, described fixing drift is arranged on described stripper plate 13, wherein, described stripper plate 13 is connected with train wheel bridge 12 by contour sleeve 33, described train wheel bridge 12 is fixedly connected with upper bolster 11 by patrix screw 37, described lower bolster 23 is fixedly connected with die shoe 22 by counterdie screw 36, latter two operation of the described progressive die is respectively arranged with cuts off drift 34 and Bending punch 35, described cut-out drift 34 is fixed on train wheel bridge 12, the upper end of described cut-out drift 34 extends in stripper plate 13, described Bending punch 35 is fixed on train wheel bridge 12, described cut-out drift 34 exceeds 0.5-5mm than Bending punch 35, described lower bolster 24 outlet end is provided with lower de-material block.
In order to optimize Sheet Metal Forming Technology, described cutting bending process is generally arranged on last procedure, when this operation is last procedure, cutting Bending punch 35 is arranged on the top of described lower de-material block, after cutting bending process completes, lower de-material block is by shaping handware ejection die.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; within all spirit in the invention and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the invention.
Claims (10)
1. the cement cover progressive die, comprise patrix and counterdie, described patrix comprises the upper bolster be fixedly connected sequentially, train wheel bridge, stripper plate and fixing drift, described counterdie comprises the bottom seat pad be fixedly connected sequentially, die shoe, lower bolster and lower bolster, described fixing drift is arranged on described stripper plate, it is characterized in that, described stripper plate is connected with train wheel bridge by contour sleeve, described train wheel bridge is fixedly connected with upper bolster by patrix screw, described lower bolster is fixedly connected with die shoe by counterdie screw, latter two operation of the described progressive die is respectively arranged with cuts off drift and Bending punch, described cut-out drift is fixed on train wheel bridge, the upper end of described cut-out drift extends in stripper plate, described Bending punch is fixed on train wheel bridge, described cut-out drift exceeds 0.5-5mm than Bending punch.
2. the cement cover progressive die according to claim 1, is characterized in that, described stripper plate feeding mouth place is provided with guid needle.
3. the cement cover progressive die according to claim 1, is characterized in that, described lower bolster is also arranged with two row's floating pins.
4. the cement cover progressive die according to claim 1, is characterized in that, described stripper plate is symmetrically arranged with at least four auxiliary guide column and four ball guide pillars.
5. the cement cover progressive die according to claim 1, is characterized in that, the discharge outlet of described upper die and lower die is provided with air gun shower nozzle.
6. the cement cover progressive die according to claim 1, is characterized in that, described cut-out Bending punch is than Bending punch height 2mm.
7. the cement cover progressive die according to claim 1, is characterized in that, described cut-out Bending punch is than Bending punch height 3mm.
8. the cement cover progressive die according to claim 1, is characterized in that, the number of described fixing drift is 2-6.
9. the cement cover progressive die according to claim 1, is characterized in that, described fixing drift, cut-out drift and Bending punch are arranged in order on an axis.
10. the cement cover progressive die according to claim 1, is characterized in that, described lower bolster outlet end is provided with lower de-material block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696313.5U CN205056804U (en) | 2015-09-08 | 2015-09-08 | Cement cover modulus of continuity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696313.5U CN205056804U (en) | 2015-09-08 | 2015-09-08 | Cement cover modulus of continuity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205056804U true CN205056804U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520696313.5U Expired - Fee Related CN205056804U (en) | 2015-09-08 | 2015-09-08 | Cement cover modulus of continuity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205056804U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866461A (en) * | 2017-11-21 | 2018-04-03 | 合肥高科科技股份有限公司 | A kind of cut off and forming die tool |
| CN108145014A (en) * | 2018-02-12 | 2018-06-12 | 天津市佳诺天成科技有限公司 | The continuous stamping die of cabinet L bracket |
-
2015
- 2015-09-08 CN CN201520696313.5U patent/CN205056804U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866461A (en) * | 2017-11-21 | 2018-04-03 | 合肥高科科技股份有限公司 | A kind of cut off and forming die tool |
| CN108145014A (en) * | 2018-02-12 | 2018-06-12 | 天津市佳诺天成科技有限公司 | The continuous stamping die of cabinet L bracket |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160302 Termination date: 20170908 |