CN104942126A - Punching die for door and window glass guide groove - Google Patents
Punching die for door and window glass guide groove Download PDFInfo
- Publication number
- CN104942126A CN104942126A CN201510309990.1A CN201510309990A CN104942126A CN 104942126 A CN104942126 A CN 104942126A CN 201510309990 A CN201510309990 A CN 201510309990A CN 104942126 A CN104942126 A CN 104942126A
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- Prior art keywords
- die
- cut
- seat
- tong
- door glass
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a punching die for a door and window glass guide groove. The punching die comprises an upper die plate, a lower die plate, guide posts, a left side punching mechanism, a right side punching mechanism and a movable clamping claw; the left side punching mechanism comprises a left side punching base with a left side first punching position and a left side second punching position, a plunger chip is installed on the upper die plate, and the right side punching mechanism comprises a right side punching base with a right side first punching position, a right side second punching position, a right side first plunger chip mechanism and a right side second plunger chip mechanism; the left side first punching position and the right side first punching position form a first station, and the left side second punching position and the right side second punching position form a second station. Punching of the two stations is achieved on one die, the two stations share one oil press, the space occupancy rate is small, the punching die is convenient and fast to operate, manual operation time is shortened, the product quality is promoted, the tatk is accelerated, the product qualification precision is met, and defective products are eradicated.
Description
Technical field
The present invention is used for Machining Technology field, particularly relates to a kind of door glass guide groove die cutting die.
Background technology
As shown in Figure 1, glass guide way of vehicle door is the part being assemblied in automobile sash, realizes the function guiding car door.Be all that corresponding 5 stations of employing 4 pairs of mould 2 people are separately repeatedly produced in prior art, operation is various, can not realize one-time positioning, can there is following problem in punching processing: repeatedly machining hole position meeting deviation, causes assembling difficulty to produce abnormal sound, is even difficult to entrucking; The material of glass guide way of vehicle door itself is thin, and the long poor rigidity of positive side shearing length, repeatedly difficult processing is to ensure the angle of both direction, causes glass guide way of vehicle door to be out of shape, even ftractures.Crudy cannot ensure, equipment and personnel many, production efficiency is low.
Summary of the invention
For solving the problem, the invention provides a kind of minimizing manual work time, improving product quality and beat, meet product acceptable precision, stops the door glass guide groove die cutting die that defective products occurs.
The technical solution adopted for the present invention to solve the technical problems is: a kind of door glass guide groove die cutting die, comprise cope match-plate pattern, lower bolster and guide pillar, left side punching mechanism and right side punching mechanism is provided with between described cope match-plate pattern and lower bolster, described left side punching mechanism comprises the die-cut seat in left side be contained on described lower bolster, the die-cut seat in described left side is provided with the first die-cut position, left side and die-cut position, left side second, described cope match-plate pattern is equipped with just to the drift that the die-cut position in die-cut position, described left side first and left side second is arranged, described right side punching mechanism comprises the die-cut seat in right side be contained on described lower bolster, the die-cut seat in described right side is provided with the first die-cut position, right side and die-cut position, right side second, the die-cut seat in right side is provided with right side the first plunger mechanism in die-cut position, described right side first, the die-cut seat in right side is provided with right side the second plunger mechanism in die-cut position, described right side second, the die-cut position in die-cut position, described left side first and right side first forms the first station of die-cut door glass guide groove, the die-cut position in die-cut position, described left side second and right side second forms the second station of die-cut door glass guide groove, also active clip hand is provided with between described cope match-plate pattern and lower bolster, door glass guide groove in first station can be delivered to the second station by described active clip hand.
Be further used as the improvement of technical solution of the present invention, described lower bolster is provided with horizontal slide rail, the die-cut seat in described right side is contained on described horizontal slide rail by slide block, also comprise can drive the die-cut seat in described right side along described horizontal slide rail near or away from the mold-slide cylinder of the die-cut seat in left side, described mold-slide cylinder is contained on the die-cut seat of lower bolster or right side.
Be further used as the improvement of technical solution of the present invention, guide holder and guide seat are all equipped with in the side near described left side punching mechanism in the die-cut position in die-cut position, described right side first and right side second, described guide holder is provided with the guiding groove inserted for door glass guide groove, guiding groove has the notch drawn in gradually, described guide seat is positioned at the top of described guide holder, and guide seat is provided with and stretches in described guiding groove with the bootstrap block of position gates glass run.
Be further used as the improvement of technical solution of the present invention, described right side first plunger mechanism comprises and is contained in Cutter apron on the die-cut seat in described right side by the first guide rod and is contained on described Cutter apron and the first cutting knife be positioned at above die-cut position, described right side first, described first guide rod is set with Compress Spring between the die-cut seat in right side and Cutter apron, the die-cut seat in described right side is equipped with cope match-plate pattern limited block in the side of described right side first plunger mechanism, the die-cut seat in described right side is provided with the first material-dropping hole in the below of described right side first plunger mechanism.
Be further used as the improvement of technical solution of the present invention, described second plunger mechanism comprises the backing plate be positioned at above the second die-cut position, right side, to be contained on the die-cut seat in described right side and to be positioned at the second cutting knife of second die-cut left and right sides, described right side and to be contained on described backing plate and the slotting tool that stretches out downwards of corresponding second cutting knife, the second guide rod in the die-cut seat of some insertion lower right described backing plate is equipped with, described second guide rod is equipped with Compress Spring between the die-cut seat in described right side and backing plate, described slotting tool and the second cutting knife are provided with the inclined-plane cooperatively interacted, when slotting tool moves downward with backing plate, slotting tool drives the second cutting knife to stretch out in the second die-cut position by described inclined-plane, the die-cut seat in described right side is provided with the second material-dropping hole in the below of described second plunger mechanism.
Be further used as the improvement of technical solution of the present invention, described active clip hand comprises the longitudinal slide rail be contained on described lower bolster, be contained in the tong framework on described longitudinal slide rail, the tong driving described tong framework to move back and forth between the first station and the second station moves cylinder, the tong on described tong framework is contained in by tong guide rod, the lift cylinder driving described tong to rise along described tong guide rod or to decline and the tong control cylinder driving tong to tighten up or open, described lower bolster is all equipped with tong limited block at the two ends of described longitudinal slide rail, described tong limited block is all equipped with the adjusting screw(rod) that can prop up described tong framework.
Be further used as the improvement of technical solution of the present invention, described cope match-plate pattern is sleeved on described guide pillar by guide pin bushing, and described guide pillar is set with back-moving spring between guide pin bushing and described lower bolster, and described cope match-plate pattern and lower bolster are equipped with just to the limited post stretched out.
Be further used as the improvement of technical solution of the present invention, described drift is contained on described cope match-plate pattern by fixed head, and described cope match-plate pattern is provided with some inner guiding posts stretched out downwards, and the die-cut seat in described left side is provided with the guide pillar hole that the described inner guiding post of some confessions inserts.
Be further used as the improvement of technical solution of the present invention, the downside of described fixed head is connected with location-plate, described drift and inner guiding post are all through described location-plate, and the bottom of described location-plate is provided with the locating piece that can compress second die-cut the inside door glass run in die-cut position, described left side first and left side.
Beneficial effect of the present invention: during work, is placed on hydraulic press platform by this door glass guide groove die cutting die; Door glass guide groove semi-finished product are installed to the first station; Start button, left side punching mechanism and right side punching mechanism die-cut door glass guide groove two ends; After first station completes, active clip hand is by product automatic clamp to the second station; Left side punching mechanism and right side punching mechanism die-cut door glass guide groove two ends, after the second station completes, the die-cut door glass guide groove completed is delivered to the first station by active clip hand, and product takes out complete operation.The present invention realizes die-cut on a mould of two stations, shares 1 hydraulic press, reaches space occupancy low, convenient to operation, greatly reduces the manual work time, improving product quality and beat, meets product acceptable precision, stops defective products and occurs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is door glass guide barrel construction schematic diagram;
Fig. 2 is embodiment of the present invention overall structure schematic diagram;
Fig. 3 is punching mechanism structural representation on the right side of the embodiment of the present invention;
Fig. 4 is punching mechanism first plunger mechanism and the second plunger mechanism structural representation on the right side of the embodiment of the present invention;
Fig. 5 is punching mechanism structural front view on the right side of the embodiment of the present invention.
Detailed description of the invention
With reference to Fig. 2, that show the concrete structure of the preferred embodiment of the present invention.To the design feature of the present invention each element be described in detail below, and if be described to direction (upper and lower, left and right, before and after) time, be shown structure for reference to describing with Fig. 2, but actual user of the present invention is to not limiting to so.
The invention provides a kind of door glass guide groove die cutting die, comprise cope match-plate pattern 1, lower bolster 2 and guide pillar 3, guide pillar 3 is contained in the corner of lower bolster 2, described cope match-plate pattern 1 is sleeved on described guide pillar 3 by guide pin bushing 11, described guide pillar 3 is set with back-moving spring between guide pin bushing 11 and described lower bolster 2, described cope match-plate pattern 1 and lower bolster 2 are equipped with just to the limited post 4 stretched out.Left side punching mechanism 5 and right side punching mechanism 6 is provided with between described cope match-plate pattern 1 and lower bolster 2, described left side punching mechanism 5 comprises the die-cut seat 51 in left side be contained on described lower bolster 2, the die-cut seat in described left side 51 is provided with the first die-cut position 52, left side and die-cut position 53, left side second, described cope match-plate pattern 1 is equipped with just to the drift 54 that the die-cut position 53 in die-cut position, described left side first 52 and left side second is arranged, described drift 54 is contained on described cope match-plate pattern 1 by fixed head 55, described cope match-plate pattern 1 is provided with some inner guiding posts 12 stretched out downwards, the die-cut seat in described left side 51 is provided with the guide pillar hole 56 that the described inner guiding post 12 of some confessions inserts.The downside of described fixed head 55 is connected with location-plate 57, described drift 54 and inner guiding post 12 are all through described location-plate 57, and the bottom of described location-plate 57 is provided with the locating piece that can compress die-cut position, described left side first 52 and die-cut position 53, left side second inside door glass run.
Described right side punching mechanism 6 comprises the die-cut seat 61 in right side be contained on described lower bolster 2, the die-cut seat in described right side 61 is provided with the first die-cut position 62, right side and die-cut position 63, right side second, the die-cut seat 61 in right side is provided with right side the first plunger mechanism 64 in die-cut position 62, described right side first, the die-cut seat 61 in right side is provided with right side the second plunger mechanism 65 in die-cut position 63, described right side second, die-cut position, described left side first 52 and die-cut position, right side first 62 form the first station of die-cut door glass guide groove, die-cut position, described left side second 53 and die-cut position, right side second 63 form the second station of die-cut door glass guide groove, active clip hand 7 is also provided with between described cope match-plate pattern 1 and lower bolster 2, door glass guide groove in first station can be delivered to the second station by described active clip hand 7.Described active clip hand 7 comprises the longitudinal slide rail 71 be contained on described lower bolster 2, be contained in the tong framework 72 on described longitudinal slide rail 71, the tong driving described tong framework 72 to move back and forth between the first station and the second station moves cylinder 73, the tong 74 on described tong framework 72 is contained in by tong guide rod, the lift cylinder 75 driving described tong 74 to rise along described tong guide rod or to decline and the tong control cylinder driving tong 74 to tighten up or open, described lower bolster 2 is all equipped with tong limited block 76 at the two ends of described longitudinal slide rail 71, the adjusting screw(rod) 77 that can prop up described tong framework 72 described tong limited block 76 is all equipped with.
Wherein, described lower bolster 2 is provided with horizontal slide rail 21, the die-cut seat in described right side 61 is contained on described horizontal slide rail 21 by slide block, also comprise can drive the die-cut seat in described right side 61 along described horizontal slide rail 21 near or away from the mold-slide cylinder 66 of the die-cut seat 51 in left side, described mold-slide cylinder 66 is contained on the die-cut seat 61 of lower bolster 2 or right side.See Fig. 5, guide holder 67 and guide seat 68 are all equipped with in the side near described left side punching mechanism 5 in die-cut position, described right side first 62 and die-cut position, right side second 63, described guide holder 67 is provided with the guiding groove 671 inserted for door glass guide groove, guiding groove 671 has the notch drawn in gradually, described guide seat 68 is positioned at the top of described guide holder 67, and guide seat 68 is provided with and stretches in described guiding groove 671 with the bootstrap block 681 of position gates glass run.During work, this door glass guide groove die cutting die is placed on hydraulic press platform; Door glass guide groove semi-finished product are installed to the first die-cut position 52, left side; Start button, the die-cut seat 61 in mold-slide cylinder 66 driving right side transversely slide rail 21 moves to the left, the half-finished right-hand member of door glass guide groove enters the first die-cut position 62, right side and push-tight product under the guiding of guiding groove 671 and bootstrap block 681, by left side punching mechanism 5 and right side punching mechanism 6 die-cut door glass guide groove two ends; After first station completes, active clip hand 7 clamps door glass guide groove, and the die-cut seat 61 in mold-slide cylinder 66 driving right side transversely slide rail 21 moves to the right, and active clip hand 7 is by product automatic clamp to the second station; Left side punching mechanism 5 and right side punching mechanism 6 die-cut door glass guide groove two ends, after the second station completes, the die-cut door glass guide groove completed is delivered to the first station by active clip hand 7, and product takes out complete operation.
With reference to Fig. 3, Fig. 4, described right side first plunger mechanism 64 comprises and is contained in Cutter apron on the die-cut seat in described right side 61 641 by the first guide rod and is contained on described Cutter apron 641 and the first cutting knife 642 be positioned at above die-cut position 62, described right side first, described first guide rod is set with Compress Spring between the die-cut seat 61 in right side and Cutter apron 641, the die-cut seat in described right side 61 is equipped with cope match-plate pattern limited block 643 in the side of described right side first plunger mechanism 64, and cope match-plate pattern limited block 643 limits the extreme position that cope match-plate pattern 1 declines.Cope match-plate pattern 1 presses Cutter apron 641 downwards under the effect of hydraulic press, door glass guide groove in first die-cut position 62, the die-cut right side of cutting knife 642 first, with at door glass guide groove right-hand member punching molding tongue, the die-cut seat in described right side 61 is provided with the first material-dropping hole 644 in the below of described right side first plunger mechanism 64, and die-cut blanking is discharged by the first material-dropping hole 644.
Described second plunger mechanism 65 comprises the backing plate 651 be positioned at above the second die-cut position 63, right side, to be contained on the die-cut seat in described right side 61 and to be positioned at the second cutting knife 652 of the left and right sides, die-cut position 63, described right side second and to be contained on described backing plate 651 and the slotting tool 653 that stretches out downwards of corresponding second cutting knife 652, the second guide rod 654 in the die-cut seat 61 of some insertion lower right described backing plate 651 is equipped with, described second guide rod 654 is equipped with Compress Spring between the die-cut seat 61 in described right side and backing plate 651, described slotting tool 653 and the second cutting knife 652 are provided with the inclined-plane cooperatively interacted, when slotting tool 653 moves downward with backing plate, slotting tool 653 drives the second cutting knife 652 to stretch out in the second die-cut position 63 by described inclined-plane, to complete the punching molding of the second inside door glass run right-hand member two side, die-cut position 63, right side, the die-cut seat in described right side 61 is provided with the second material-dropping hole 655 in the below of described second plunger mechanism 65, die-cut blanking is discharged by the second material-dropping hole 655.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (9)
1. a door glass guide groove die cutting die, it is characterized in that: comprise cope match-plate pattern, lower bolster and guide pillar, left side punching mechanism and right side punching mechanism is provided with between described cope match-plate pattern and lower bolster, described left side punching mechanism comprises the die-cut seat in left side be contained on described lower bolster, the die-cut seat in described left side is provided with the first die-cut position, left side and die-cut position, left side second, described cope match-plate pattern is equipped with just to the drift that the die-cut position in die-cut position, described left side first and left side second is arranged, described right side punching mechanism comprises the die-cut seat in right side be contained on described lower bolster, the die-cut seat in described right side is provided with the first die-cut position, right side and die-cut position, right side second, the die-cut seat in right side is provided with right side the first plunger mechanism in die-cut position, described right side first, the die-cut seat in right side is provided with right side the second plunger mechanism in die-cut position, described right side second, the die-cut position in die-cut position, described left side first and right side first forms the first station of die-cut door glass guide groove, the die-cut position in die-cut position, described left side second and right side second forms the second station of die-cut door glass guide groove, also active clip hand is provided with between described cope match-plate pattern and lower bolster, door glass guide groove in first station can be delivered to the second station by described active clip hand.
2. door glass guide groove die cutting die according to claim 1, it is characterized in that: described lower bolster is provided with horizontal slide rail, the die-cut seat in described right side is contained on described horizontal slide rail by slide block, also comprise can drive the die-cut seat in described right side along described horizontal slide rail near or away from the mold-slide cylinder of the die-cut seat in left side, described mold-slide cylinder is contained on the die-cut seat of lower bolster or right side.
3. door glass guide groove die cutting die according to claim 2, it is characterized in that: guide holder and guide seat are all equipped with in the side near described left side punching mechanism in the die-cut position in die-cut position, described right side first and right side second, described guide holder is provided with the guiding groove inserted for door glass guide groove, guiding groove has the notch drawn in gradually, described guide seat is positioned at the top of described guide holder, and guide seat is provided with and stretches in described guiding groove with the bootstrap block of position gates glass run.
4. door glass guide groove die cutting die according to claim 1, it is characterized in that: described right side first plunger mechanism comprises and is contained in Cutter apron on the die-cut seat in described right side by the first guide rod and is contained on described Cutter apron and the first cutting knife be positioned at above die-cut position, described right side first, described first guide rod is set with Compress Spring between the die-cut seat in right side and Cutter apron, the die-cut seat in described right side is equipped with cope match-plate pattern limited block in the side of described right side first plunger mechanism, the die-cut seat in described right side is provided with the first material-dropping hole in the below of described right side first plunger mechanism.
5. door glass guide groove die cutting die according to claim 1, it is characterized in that: described second plunger mechanism comprises the backing plate be positioned at above the second die-cut position, right side, to be contained on the die-cut seat in described right side and to be positioned at the second cutting knife of second die-cut left and right sides, described right side and to be contained on described backing plate and the slotting tool that stretches out downwards of corresponding second cutting knife, the second guide rod in the die-cut seat of some insertion lower right described backing plate is equipped with, described second guide rod is equipped with Compress Spring between the die-cut seat in described right side and backing plate, described slotting tool and the second cutting knife are provided with the inclined-plane cooperatively interacted, when slotting tool moves downward with backing plate, slotting tool drives the second cutting knife to stretch out in the second die-cut position by described inclined-plane, the die-cut seat in described right side is provided with the second material-dropping hole in the below of described second plunger mechanism.
6. the door glass guide groove die cutting die according to any one of Claims 1 to 4, it is characterized in that: described active clip hand comprises the longitudinal slide rail be contained on described lower bolster, be contained in the tong framework on described longitudinal slide rail, the tong driving described tong framework to move back and forth between the first station and the second station moves cylinder, the tong on described tong framework is contained in by tong guide rod, the lift cylinder driving described tong to rise along described tong guide rod or to decline and the tong control cylinder driving tong to tighten up or open, described lower bolster is all equipped with tong limited block at the two ends of described longitudinal slide rail, described tong limited block is all equipped with the adjusting screw(rod) that can prop up described tong framework.
7. the door glass guide groove die cutting die according to any one of Claims 1 to 4, it is characterized in that: described cope match-plate pattern is sleeved on described guide pillar by guide pin bushing, described guide pillar is set with back-moving spring between guide pin bushing and described lower bolster, described cope match-plate pattern and lower bolster are equipped with just to the limited post stretched out.
8. the door glass guide groove die cutting die according to any one of Claims 1 to 4, it is characterized in that: described drift is contained on described cope match-plate pattern by fixed head, described cope match-plate pattern is provided with some inner guiding posts stretched out downwards, and the die-cut seat in described left side is provided with the guide pillar hole that the described inner guiding post of some confessions inserts.
9. door glass guide groove die cutting die according to claim 8, it is characterized in that: the downside of described fixed head is connected with location-plate, described drift and inner guiding post are all through described location-plate, and the bottom of described location-plate is provided with the locating piece that can compress second die-cut the inside door glass run in die-cut position, described left side first and left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309990.1A CN104942126B (en) | 2015-06-08 | 2015-06-08 | A kind of door and window glass guide slot die cutting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309990.1A CN104942126B (en) | 2015-06-08 | 2015-06-08 | A kind of door and window glass guide slot die cutting die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104942126A true CN104942126A (en) | 2015-09-30 |
| CN104942126B CN104942126B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510309990.1A Active CN104942126B (en) | 2015-06-08 | 2015-06-08 | A kind of door and window glass guide slot die cutting die |
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| CN (1) | CN104942126B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107138612A (en) * | 2016-05-24 | 2017-09-08 | 芜湖浩博科技有限公司 | A kind of external board of vehicle door diel |
| CN109203081A (en) * | 2018-10-15 | 2019-01-15 | 鹤山联塑实业发展有限公司 | A kind of door-window section bar list lifting frame bilateral stamping die |
| CN110171028A (en) * | 2019-06-27 | 2019-08-27 | 东莞市卫东智能设备有限公司 | A kind of mobile platform applied to die-cutting machine |
| CN110202642A (en) * | 2019-06-27 | 2019-09-06 | 东莞市卫东智能设备有限公司 | A kind of new-type CCD automatic deviation correction die-cutting machine |
| CN110496893A (en) * | 2019-07-18 | 2019-11-26 | 广州敏实汽车零部件有限公司 | A kind of mould structure of one knife of guide groove beveling end |
| CN114472672A (en) * | 2022-01-28 | 2022-05-13 | 东风延锋汽车饰件系统有限公司 | Structure for completing punching by sharing one pair of punching bottom dies for two symmetrical products |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107138612A (en) * | 2016-05-24 | 2017-09-08 | 芜湖浩博科技有限公司 | A kind of external board of vehicle door diel |
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| CN110171028A (en) * | 2019-06-27 | 2019-08-27 | 东莞市卫东智能设备有限公司 | A kind of mobile platform applied to die-cutting machine |
| CN110202642A (en) * | 2019-06-27 | 2019-09-06 | 东莞市卫东智能设备有限公司 | A kind of new-type CCD automatic deviation correction die-cutting machine |
| CN110496893A (en) * | 2019-07-18 | 2019-11-26 | 广州敏实汽车零部件有限公司 | A kind of mould structure of one knife of guide groove beveling end |
| CN110496893B (en) * | 2019-07-18 | 2024-04-09 | 广州敏实汽车零部件有限公司 | Mould structure of one-knife beveling end of guide groove |
| CN114472672A (en) * | 2022-01-28 | 2022-05-13 | 东风延锋汽车饰件系统有限公司 | Structure for completing punching by sharing one pair of punching bottom dies for two symmetrical products |
| CN114472672B (en) * | 2022-01-28 | 2023-06-02 | 东风延锋汽车饰件系统有限公司 | Structure for punching two symmetrical products by sharing one punching bottom die |
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| CN104942126B (en) | 2017-06-16 |
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