CN108906926B - A kind of electronic product stamping device of adjustable bending angle - Google Patents
A kind of electronic product stamping device of adjustable bending angle Download PDFInfo
- Publication number
- CN108906926B CN108906926B CN201810672294.0A CN201810672294A CN108906926B CN 108906926 B CN108906926 B CN 108906926B CN 201810672294 A CN201810672294 A CN 201810672294A CN 108906926 B CN108906926 B CN 108906926B
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- Prior art keywords
- wall
- mold
- bolted
- automatically controlled
- plate
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
- B21D37/145—Die storage magazines
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
Abstract
The invention belongs to technical field of electronic products, especially a kind of electronic product stamping device of adjustable bending angle, it is simple for stamping device design structure, have a single function, inconvenient problem with use, now propose following scheme, including pedestal, automatically controlled telescopic mast has been bolted in base bottom quadrangle outer wall, and rubber pad has been bolted in the bottom outer wall of automatically controlled telescopic mast, base top quadrangle outer wall has been bolted hydraulic cylinder, and is bolted the same horizontal positioned pressing plate at the top of hydraulic cylinder.The upper angle mold and lower angle mold of present invention setting plurality of specifications, different angular moulds can be exchanged in punching press, it is provided with the first automatically controlled telescopic rod, hexagonal screw rod in the second automatically controlled telescopic rod and first, hexagonal screw rod in second, upper angle mold and lower angle mold Quick-changing and fixation can be conducive to punching press and obtain the product of different angle.
Description
Technical field
The present invention relates to a kind of electronic product punching press of technical field of electronic products more particularly to adjustable bending angle dresses
It sets.
Background technique
It is emerging that electronic technology is that the western countries such as the European U.S. start to grow up in late nineteenth century, earlier 1900s
Technology, earliest by American Morse invention telegram in 1837, American Alexandria Bell's invention phone in 1875,
English physicist Fleming invention electron tube in 1902.Electronic product is most rapid in twentieth century development, most widely used, at
For an important symbol of modern science technology development.First generation electronic product is using electron tube as core.The world at the end of the 1940s
On be born first transistor, the features such as it is with small and exquisite, light, power saving, long service life, soon applied by various countries
Come, in very large range instead of electron tube, to make electronic product towards high-effect low consumption, high-precision, high stable, intelligence
The direction of change is developed.
Electronic product needs to carry out punching press to material in process of production, however the bending angle generated now is not easy to adjust
It is whole, therefore need a kind of electronic product stamping device of adjustable bending angle.
Summary of the invention
It is simple based on stamping device design structure, have a single function, technical problem inconvenient to use, the invention proposes one
Plant the electronic product stamping device of adjustable bending angle.
A kind of electronic product stamping device of adjustable bending angle proposed by the present invention, including pedestal, the base bottom
Automatically controlled telescopic mast has been bolted in quadrangle outer wall, and rubber has been bolted in the bottom outer wall of automatically controlled telescopic mast
Pad, base top quadrangle outer wall have been bolted hydraulic cylinder, and have been bolted at the top of hydraulic cylinder same
The damping equidistantly distributed, and damping is bolted in one horizontal positioned pressing plate, the base top outer wall
The inner wall of mechanism is socketed with damping spring, and the top exterior walls of the damping are bolted same horizontal positioned
Bottom plate, and bottom plate top exterior walls are placed with lower die holder, the bottom outer wall of the pressing plate have been bolted top plate, and top plate
Bottom outer wall is placed with upper die holder, and the bottom outer wall of the upper die holder is welded with upper mold, and upper mold bottom outer wall is placed with
Upper angle mold, the upper angle mould inside offers hole slot, and the inner wall of hole slot has been connected through a screw thread screw rod, and screw rod will
Upper die holder is fixed with top plate, and the inside of the upper mold offers mounting groove, and the side inner wall of mounting groove is solid by bolt
Surely there is the first automatically controlled telescopic rod, the first automatically controlled telescopic rod extends to the inside of upper angle mold, the bottom outer wall of the upper mold
Location hole is offered, and the top exterior walls of location hole are equipped with punching press bolster, the lower die holder top exterior walls are welded with lower die
Tool, lower die holder top other side outer wall is placed with lower angle mold, and the inside of lower angle mold offers hole slot, described
The inner wall of hole slot has been connected through a screw thread screw rod, and screw rod fixes lower die holder with bottom plate, and the inside of the lower mold opens up
There is mounting groove, and the second automatically controlled telescopic rod has been bolted in the side outer wall of mounting groove, the second automatically controlled telescopic rod extends to
The inside of lower angle mold.
Preferably, the top exterior walls of the lower mold offer installing port, and the inner wall of installing port has been connected by screw to
Pressure sensor, storage tank has been bolted in the bottom outer wall of the pedestal, and the inner wall of storage tank is bolted
There is the support plate equidistantly distributed, the top inner wall of the storage tank has been connected by screw to light bulb, and light bulb is located at support plate
Top, the side outer wall that described storage tank one end outer wall offers opening, and is open is connected by a hinge and has door-plate, the door
The side outer wall of plate has been connected by screw to door-plate hand, and the outer wall of door-plate hand is socketed with anti-skid rubber cushion.
Preferably, pedestal side outer wall, which is connected by a hinge, electric cabinet, and the bottom outer wall of electric cabinet passes through spiral shell
Nail is connected with the switch equidistantly distributed.
Preferably, the top side outer wall of the lower mold has been connected by screw to positioning column, and positioning column is located at positioning
The underface in hole.
Preferably, the bottom interior wall of the lower die holder offers through-hole, and through-hole wall has been connected by screw to processor.
Preferably, the pressure sensor is connected by signal wire with the signal input part of processor, and processor
Model ARM9TDMI.
Preferably, the lower die top is placed with material, and material socket-connects with positioning column.
Preferably, the top exterior walls of the pressing plate have been connected by screw to alarm.
Preferably, the automatically controlled telescopic mast, the first automatically controlled telescopic rod, the second automatically controlled telescopic rod and light bulb pass through conducting wire and open
Pass is connected.
Having the beneficial effect that in the present invention
1, the electronic product stamping device of a kind of adjustable bending angle proposed by the present invention, is arranged the upper angle of plurality of specifications
Mold and lower angle mold can exchange different angular moulds in punching press, be provided with the first automatically controlled telescopic rod, second automatically controlled
Hexagonal screw rod in telescopic rod and first, hexagonal screw rod in second, can by upper angle mold and lower angle mold Quick-changing and
It is fixed, be conducive to punching press and obtain the product of different angle.
2, damping and damping bullet is arranged in the electronic product stamping device of a kind of adjustable bending angle proposed by the present invention
Spring can reduce vibration when punching press, improve the service life of mold, reduce the cost of maintenance and more mold exchange.
3, pressure sensor is arranged in the electronic product stamping device of a kind of adjustable bending angle proposed by the present invention, can be with
Upper mold pressure caused by material is obtained, staff can accurately control stamping pressure, be conducive to obtain qualified production
Product are provided with alarm, prevent the excessive damage material and facility of pressure.
4, storage tank is arranged in the electronic product stamping device of a kind of adjustable bending angle proposed by the present invention, can will be each
The upper angle mold and lower angle mold of kind different size carry out preservation placement, are conducive to improve working efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the electronic product stamping device entirety of adjustable bending angle proposed by the present invention；
Fig. 2 is a kind of structural representation of the electronic product stamping device upper mold of adjustable bending angle proposed by the present invention
Figure；
Fig. 3 is the structural representation of mold under a kind of electronic product stamping device of adjustable bending angle proposed by the present invention
Figure；
Fig. 4 is a kind of structural representation of the electronic product stamping device storage tank of adjustable bending angle proposed by the present invention
Figure；
Fig. 5 is a kind of structural schematic diagram of the electronic product stamping device work of adjustable bending angle proposed by the present invention.
In figure: 1 rubber pad, 2 automatically controlled telescopic masts, 3 switches, 4 control cabinets, 5 bottom plates, 6 lower die holders, grinding tool, 8 pressing plates, 9 on 7
Upper die holder, 10 top plates, 11 alarms, 12 upper angle molds, 13 hydraulic cylinders, 14 materials, 15 screw rods, 16 dampings, 17 dampings
Spring, 18 pedestals, 19 door-plates, 20 storage tanks, 21 door-plate hands, 22 punching press bolsters, 23 location holes, 24 first automatically controlled telescopic rods,
Hexagonal screw rod in 25 first, 26 lower angle grinding tools, hexagonal screw rod in 27 second, 28 second automatically controlled telescopic rods, 29 pressure sensors,
30 processors, 31 lower molds, 32 positioning columns, 33 light bulbs, 34 support plates, 35 mounting grooves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-5, a kind of electronic product stamping device of adjustable bending angle, including pedestal 18,18 bottom four of pedestal
Automatically controlled telescopic mast 2 has been bolted in angle outer wall, and rubber has been bolted in the bottom outer wall of automatically controlled telescopic mast 2
Pad 1,18 top quadrangle outer wall of pedestal has been bolted hydraulic cylinder 13, and 13 top of hydraulic cylinder has been bolted
The same horizontal positioned pressing plate 8, the damping 16 equidistantly distributed is bolted in 18 top exterior walls of pedestal, and subtracts
The inner wall of shake mechanism 16 is socketed with damping spring 17, and the top exterior walls of damping 16 have been bolted the same level and have put
The bottom plate 5 set, and 5 top exterior walls of bottom plate are placed with lower die holder 6, top plate 10 has been bolted in the bottom outer wall of pressing plate 8, and
The bottom outer wall of top plate 10 is placed with upper die holder 9, and the bottom outer wall of upper die holder 9 is welded with upper mold 7, and outside 7 bottom of upper mold
Wall is placed with upper angle mold 12, hole slot is offered inside upper angle mold 12, and the inner wall of hole slot has been connected through a screw thread spiral shell
Bar 15, screw rod 15 fix upper die holder 9 with top plate 10, and the inside of upper mold 7 offers mounting groove 35, and the one of mounting groove 35
Side inner wall has been bolted the first automatically controlled telescopic rod 24, and the first automatically controlled telescopic rod 24 extends to the interior of upper angle mold 12
Portion, the bottom outer wall of upper mold 7 offers location hole 23, and the top exterior walls of location hole 23 are equipped with punching press bolster 22, under
6 top exterior walls of die holder are welded with lower mold 31, and 6 top other side outer wall of lower die holder is placed with lower angle mold 26, and lower angle
The inside of mold 26 offers hole slot, and the inner wall of hole slot has been connected through a screw thread screw rod 15, and screw rod 15 is by lower die holder 6 and bottom plate
5 fix, and the inside of lower mold 31 offers mounting groove 35, and the second electricity has been bolted in the side outer wall of mounting groove 35
Telescopic rod 28 is controlled, the second automatically controlled telescopic rod 28 extends to the inside of lower angle mold 26；
In the present invention, the top exterior walls of lower mold 31 offer installing port, and the inner wall of installing port has been connected by screw to
Pressure sensor 29, storage tank 20 has been bolted in the bottom outer wall of pedestal 18, and the inner wall of storage tank 20 passes through bolt
It is connected with the support plate 34 equidistantly distributed, the top inner wall of storage tank 20 has been connected by screw to light bulb 33, and 33, light bulb
In the top of support plate 34,20 one end outer wall of storage tank offers opening, and the side outer wall being open is connected by a hinge door
Plate 19, the side outer wall of door-plate 19 has been connected by screw to door-plate hand 21, and the outer wall of door-plate hand 21 is socketed with anti-skid rubber cushion；
18 side outer wall of pedestal is connected by a hinge and has electric cabinet 4, and the bottom outer wall of electric cabinet 4 has been connected by screw to
The switch 3 equidistantly distributed, the top side outer wall of lower mold 31 has been connected by screw to positioning column 32, and positioning column 32 is located at
The underface of location hole 23；
The bottom interior wall of lower die holder 6 offers through-hole, and through-hole wall has been connected by screw to processor 30, pressure sensing
Device 29 is connected by signal wire with the signal input part of processor 30, and the model ARM9TDMI of processor 30；
Material 14 is placed at the top of lower mold 31, and material 14 socket-connects with positioning column 32, the top exterior walls of pressing plate 8 pass through
Screw is connected with alarm 11, and automatically controlled telescopic mast 2, the first automatically controlled telescopic rod 24, the second automatically controlled telescopic rod 28 and light bulb 33 pass through
Conducting wire is connected with switch 3.
In use, device is fixed on job site by rubber pad 1, then adjusts automatically controlled telescopic mast 2 and reach one
The height of a suitable operation, then obtains the electronic material of punching press angle as needed, opens door-plate 19 by door-plate hand 21, from
The upper angle mold 12 and lower angle mold 26 of required angle are taken out in support plate 34, pass through 25 He of hexagonal screw rod in first respectively
Hexagonal screw rod 27 is connected with upper die holder 9 and lower die holder 6 in second, then passes through the automatically controlled telescopic rod 24 of the elongation first generation and the second electricity
It controls telescopic rod 28 upper angle mold 12 and lower angle mold 26 is fixed, then material 14 is placed on positioning column 32, is then led to
It crosses hydraulic cylinder 13 and punching press is carried out to material, pressure sensor 29 is monitored the pressure of punching press, is conducive to obtain high-quality
Stamping material.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of electronic product stamping device of adjustable bending angle, including pedestal (18), which is characterized in that the pedestal (18)
Bottom four corners outer wall has been bolted automatically controlled telescopic mast (2), and the bottom outer wall of automatically controlled telescopic mast (2) passes through bolt
It is connected with rubber pad (1), quadrangle outer wall has been bolted hydraulic cylinder (13) at the top of the pedestal (18), and hydraulic cylinder
(13) top is bolted the same horizontal positioned pressing plate (8), and pedestal (18) top exterior walls pass through bolt
It is connected with the damping (16) equidistantly distributed, and the inner wall of damping (16) is socketed with damping spring (17), it is described to subtract
The same horizontal positioned bottom plate (5) is bolted in the top exterior walls of shake mechanism (16), and bottom plate (5) top exterior walls are put
It is equipped with lower die holder (6), the bottom outer wall of the pressing plate (8) has been bolted top plate (10), and outside the bottom of top plate (10)
Wall is placed with upper die holder (9), and the bottom outer wall of the upper die holder (9) is welded with upper mold (7), and upper mold (7) bottom outer wall
It is placed with upper angle mold (12), hole slot is offered inside the upper angle mold (12), and the inner wall of hole slot is connected by screw thread
It is connected to screw rod (15), screw rod (15) fixes upper die holder (9) with top plate (10), and the inside of the upper mold (7) offers peace
Tankage (35), and the side inner wall of mounting groove (35) has been bolted the first automatically controlled telescopic rod (24), first is automatically controlled flexible
Bar (24) extends to the inside of upper angle mold (12), and the bottom outer wall of the upper mold (7) offers location hole (23), and fixed
The top exterior walls in position hole (23) are equipped with punching press bolster (22), and lower die holder (6) top exterior walls are welded with lower mold (31),
Other side outer wall is placed with lower angle mold (26) at the top of the lower die holder (6), and the inside of lower angle mold (26) offers
Hole slot, the inner wall of the hole slot have been connected through a screw thread screw rod (15), and screw rod (15) consolidates lower die holder (6) with bottom plate (5)
Fixed, the inside of the lower mold (31) offers mounting groove (35), and the side outer wall of mounting groove (35) has been bolted
Second automatically controlled telescopic rod (28), the second automatically controlled telescopic rod (28) extend to the inside of lower angle mold (26).
2. a kind of electronic product stamping device of adjustable bending angle according to claim 1, which is characterized in that under described
The top exterior walls of mold (31) offer installing port, and the inner wall of installing port has been connected by screw to pressure sensor (29), institute
The bottom outer wall for stating pedestal (18) has been bolted storage tank (20), and the inner wall of storage tank (20) has been bolted
The top inner wall of the support plate (34) equidistantly distributed, the storage tank (20) has been connected by screw to light bulb (33), and light bulb
(33) it is located at the top of support plate (34), described storage tank (20) one end outer wall offers opening, and the side outer wall being open is logical
It crosses hinge to be connected with door-plate (19), the side outer wall of the door-plate (19) has been connected by screw to door-plate hand (21), and door-plate hand
(21) outer wall is socketed with anti-skid rubber cushion.
3. a kind of electronic product stamping device of adjustable bending angle according to claim 2, which is characterized in that the bottom
Seat (18) side outer wall is connected by a hinge and has electric cabinet (4), and the bottom outer wall of electric cabinet (4) has been connected by screw to equidistantly
Switch (3) from distribution.
4. a kind of electronic product stamping device of adjustable bending angle according to claim 3, which is characterized in that under described
The top side outer wall of mold (31) has been connected by screw to positioning column (32), and positioning column (32) is being located at location hole (23) just
Lower section.
5. a kind of electronic product stamping device of adjustable bending angle according to claim 4, which is characterized in that under described
The bottom interior wall of die holder (6) offers through-hole, and through-hole wall has been connected by screw to processor (30).
6. a kind of electronic product stamping device of adjustable bending angle according to claim 5, which is characterized in that the pressure
Force snesor (29) is connected by signal wire with the signal input part of processor (30), and the model of processor (30)
ARM9TDMI。
7. a kind of electronic product stamping device of adjustable bending angle according to claim 6, which is characterized in that under described
It is placed with material (14) at the top of mold (31), and material (14) socket-connects with positioning column (32).
8. a kind of electronic product stamping device of adjustable bending angle according to claim 7, which is characterized in that the pressure
The top exterior walls of plate (8) have been connected by screw to alarm (11).
9. a kind of electronic product stamping device of adjustable bending angle according to claim 8, which is characterized in that the electricity
It controls telescopic mast (2), the first automatically controlled telescopic rod (24), the second automatically controlled telescopic rod (28) and light bulb (33) and passes through conducting wire and switch (3)
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672294.0A CN108906926B (en) | 2018-06-26 | 2018-06-26 | A kind of electronic product stamping device of adjustable bending angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672294.0A CN108906926B (en) | 2018-06-26 | 2018-06-26 | A kind of electronic product stamping device of adjustable bending angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108906926A CN108906926A (en) | 2018-11-30 |
| CN108906926B true CN108906926B (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810672294.0A Active CN108906926B (en) | 2018-06-26 | 2018-06-26 | A kind of electronic product stamping device of adjustable bending angle |
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| CN (1) | CN108906926B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756451A (en) * | 2020-12-19 | 2021-05-07 | 徐州兰岳企业管理服务有限公司 | Metal cold die processing device for grinding roller production |
| CN112775326A (en) * | 2020-12-23 | 2021-05-11 | 天水锻压机床(集团)有限公司 | Novel pneumatic control system for composite die of bending machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000317526A (en) * | 1999-05-11 | 2000-11-21 | Amada Eng Center Co Ltd | Soft rigidity bending method and soft rigidity bending machine |
| JP4318846B2 (en) * | 2000-09-11 | 2009-08-26 | 本田技研工業株式会社 | Press bending machine for square pipe |
| KR101167042B1 (en) * | 2012-01-04 | 2012-07-31 | 주식회사 루보 | The device for forming negative angle |
| CN202893992U (en) * | 2012-09-29 | 2013-04-24 | 上海德真工贸有限公司 | Corner pressing flanging die for support in middle of beam of automobile driving cab |
| CN105057450A (en) * | 2015-07-31 | 2015-11-18 | 昆山一邦泰汽车零部件制造有限公司 | Stamping die with bending angle automatically adjusted |
| CN206966436U (en) * | 2017-05-09 | 2018-02-06 | 滁州亿扬零部件制造有限公司 | A kind of adjustable decompressor of bending angle |
| CN107639159A (en) * | 2017-08-23 | 2018-01-30 | 苏州铭峰精密机械有限公司 | The automobile oil-feed parts-moulding progressive die and forming method |
| CN107900195A (en) * | 2017-10-19 | 2018-04-13 | 镇江镇宇金属制品有限公司 | A kind of stamping die of punch adjustable angle |
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2018
- 2018-06-26 CN CN201810672294.0A patent/CN108906926B/en active Active
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Effective date of registration: 20191025 Address after: 200120 Part B, floor 2, building 11, No. 308, Fenju Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Applicant after: Marfan precision machinery (Shanghai) Co., Ltd Address before: Room 605-2, building No. 7 of the Central Plains national advertising industrial park, Zhengzhou high tech Industrial Development Zone, Henan Province Applicant before: Zhengzhou hern Electronic Information Technology Co., Ltd. |
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