CN112605182A - Flexible use method of sheet metal die of bending machine - Google Patents
Flexible use method of sheet metal die of bending machine Download PDFInfo
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- CN112605182A CN112605182A CN202011608616.9A CN202011608616A CN112605182A CN 112605182 A CN112605182 A CN 112605182A CN 202011608616 A CN202011608616 A CN 202011608616A CN 112605182 A CN112605182 A CN 112605182A
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- die
- upper die
- sheet metal
- pipeline
- cylinder
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 238000005452 bending Methods 0.000 title claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 230000001174 ascending effect Effects 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 abstract description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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
- B21D5/02—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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a flexible use method of a sheet metal die of a bending machine, belonging to the technical field of die use methods and comprising the following steps: s1, opening the mould: the cylinder synchronously controls the piston rod to drive the upper die to rise to a specified position, and the pressure of gas in the insert cylinder is always kept unchanged; s2, workpiece preparation: placing a piece to be bent on the lower die; s3, molding: the cylinder synchronously controls the piston rod to drive the upper die to descend until the upper die punches a piece to be bent to complete the sheet metal. According to the flexible use method of the sheet metal die of the bending machine, a certain auxiliary support is provided in the state that the upper die is lifted, the pressure of the cylinder is reduced, and when the ejector rod is separated from the upper die and the lower die, the bent piece is ejected in an extending manner, so that follow-up personnel can take the bent piece conveniently. By combining the upper die and the ejector rod, when the die opening state is generated, the ejector rod extends by utilizing the air pressure change generated by rising, and meanwhile, when the die is closed, the ejector rod retracts, so that the influence on the forming is avoided.
Description
Technical Field
The invention relates to the technical field of die using methods, in particular to a flexible using method of a sheet metal die of a bending machine.
Background
The bending machine processes workpieces with different size requirements by replacing moulds with different shapes and specifications, once the shape and the size of a common mould are fixed, the workpiece with one shape and size can only be processed, and in the actual work, a plurality of workpieces have very small size changes, so that the production time is wasted by replacing the mould, the production of the mould causes great cost input, the problem can be solved by urgently producing the mould which can adapt to the processing requirements of the workpieces with different sizes, and the mould is easy to rebound after processing.
Chinese patent number ZL201320044048.3, the patent document of 2013, 8, 28 discloses a mould of bending, including spherical last mould and lower mould, the lower mould contains the one-level boss that bilateral symmetry set up, and by the U type recess that the one-level boss formed, the spherical last mould with the U-shaped recess cooperatees, still be equipped with the polyurethane backing plate on the lower mould, arrange respectively in the both ends of polyurethane backing plate on the one-level boss of both sides, its last mould is not increasing atmospheric pressure balancing unit, leads to going up the mould and does not have extra atmospheric pressure to support at the constantly rising in-process.
Chinese patent No. ZL201120489206.7, published as patent document No. 2012, 7, and 11, discloses an indentation-free bending machine die. The plastic plate mould comprises an upper mould, a lower mould and a plastic plate, wherein a T-shaped groove is formed in the upper part of the lower mould; the plastic plate is embedded into the upper part of the T-shaped groove of the lower die, and the ejection of the die requires an external power source to drive the plastic plate to extend or shorten. Therefore, there are disadvantages that material is wasted seriously and production efficiency is low.
Disclosure of Invention
The invention aims to provide a flexible use method of a sheet metal die of a bending machine, which is characterized in that certain auxiliary support is provided in the rising state of an upper die, the pressure of a cylinder is reduced, and a bending piece is ejected in an extending manner when an ejector rod is separated from the upper die and a lower die, so that follow-up personnel can take the bending piece conveniently. By combining the upper die and the ejector rod, when the die opening state is generated, the ejector rod extends by utilizing the air pressure change generated by rising, and meanwhile, when the die is closed, the ejector rod retracts, so that the influence on the forming is avoided, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a flexible use method of a sheet metal die of a bending machine comprises the following steps:
s1, opening the mould: the pump body is filled with gas through a first pipeline and a second pipeline, the pressure in the insert cylinder is increased, the piston rod is synchronously controlled by the cylinder to drive the upper die to ascend to a specified position, and the gas pressure in the insert cylinder is kept unchanged all the time;
s2, workpiece preparation: placing a piece to be bent on the lower die;
s3, molding: the pump body extracts gas in the insertion cylinder through the first pipeline and the second pipeline, so that the pressure of the insertion cylinder is reduced, and the cylinder synchronously controls the piston rod to drive the upper die to descend until the upper die punches a to-be-bent piece to complete sheet metal;
the use method of the sheet metal die adopting the steps S1-S3 further concretely relates to the sheet metal die in the sheet metal process, and the sheet metal die comprises a bottom plate, an upper die and a lower die, wherein the lower die is installed on the top surface of the bottom plate, side plates are fixed on two edges of the bottom plate on two sides of the lower die, a top plate is fixed on the top end of each side plate, a lifting device, a buffer mechanism and a guide mechanism are arranged on the top plate, the lifting device is connected with the upper die and used for driving the upper die to lift, one end of the guide mechanism is connected with the upper die, the guide mechanism is used for guiding the sliding direction of the upper die, the buffer mechanism is arranged between the upper die and the lower die, and the buffer mechanism is used.
Further, elevating gear includes cylinder, piston rod and connector, and the cylinder is fixed on the roof, and in the one end of piston rod inserted the cylinder, the other end of piston rod was fixed with the connector of fixing on last mould.
Further, guiding mechanism includes the lantern ring, guide bar and sleeve, and the lantern ring runs through the roof, and the bottom and the sleeve of the lantern ring are fixed, and the lantern ring supports on the roof, and the guide bar passes the sleeve and fixes with last mould.
Further, buffer gear includes the pump body, first pipeline, second pipeline, inserted bar and inserts a section of thick bamboo, and the pump body is fixed on last mould, and the both ends output of the pump body meets with first pipeline and second pipeline respectively, inserts a section of thick bamboo and fixes on the lower mould, and the inserted bar is fixed on last mould, and the inserted bar inserts in inserting a section of thick bamboo to first pipeline and second pipeline are respectively with the section of thick bamboo intercommunication of inserting of both sides.
Furthermore, the upper die and the lower die are also provided with ejector rods for ejection, and when the upper die and the lower die are separated, the ejector rods extend to eject the piece to be bent.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the flexible use method of the sheet metal die of the bending machine, the pump body is used for introducing gas or exhausting gas into the first pipeline and the second pipeline, the air pressure inside the inserting cylinder is increased or reduced, the pump body is used for introducing gas into the inserting cylinder, certain auxiliary support is provided in the state that the upper die is lifted, the pressure of an air cylinder is reduced, ejector rods for ejecting are further arranged on the upper die and the lower die, and when the upper die and the lower die are separated, the ejector rods can eject bending pieces in an extending mode, so that follow-up personnel can take the bending pieces conveniently.
2. The invention provides a flexible use method of a sheet metal die of a bending machine, wherein an ejector rod for ejection is further arranged on an upper die and a lower die, when the upper die and the lower die are separated, the ejector rod extends to eject a bent piece, so that a follow-up person can conveniently take the bent piece, when the upper die rises and an insert rod rises, the air pressure in an insert cylinder is increased, air is conveyed into a cavity for accommodating the ejector rod, the ejector rod is extended, so that the bent piece is ejected, when the upper die descends, the air pressure in the insert cylinder is reduced, the air pressure in the cavity of the ejector rod is extracted, the ejector rod retracts, the extension distance of the ejector rod is not more than 2cm, when the upper die and the ejector rod are combined, when the die opening state is generated, the ejector rod extends by utilizing the air pressure change generated by the rising, and when.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is an overall perspective view of the present invention;
FIG. 3 is an internal cross-sectional view of the present invention;
FIG. 4 is a perspective view of the lower mold of the present invention;
fig. 5 is a structural view of still another embodiment of the present invention.
In the figure: 1. a base plate; 2. an upper die; 3. a lower die; 31. a side plate; 4. a top plate; 5. a lifting device; 51. a cylinder; 52. a piston rod; 53. a connector; 6. a buffer mechanism; 61. a pump body; 62. a first conduit; 63. a second conduit; 64. inserting a rod; 65. inserting a cylinder; 7. a guide mechanism; 71. a collar; 72. a guide bar; 73. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flexible use method of a sheet metal die of a bending machine includes the following steps:
step one, opening the mold: the pump body 61 is filled with gas through the first pipeline 62 and the second pipeline 63, the pressure in the insert cylinder 65 is increased, the piston rod 52 is synchronously controlled by the cylinder 51 to drive the upper die 2 to ascend to a specified position, and the gas pressure in the insert cylinder 65 is kept unchanged all the time;
step two, workpiece preparation: a piece to be bent is placed on the lower die 3;
step three, forming: the pump body 61 extracts air in the insert cylinder 65 through the first pipeline 62 and the second pipeline 63, so that the pressure of the insert cylinder 65 is reduced, and the cylinder 51 synchronously controls the piston rod 52 to drive the upper die 2 to descend until the upper die 2 punches a to-be-bent piece to complete sheet metal;
referring to fig. 2-4, the sheet metal mold using method of steps S1-S3 further specifically relates to a sheet metal mold in the sheet metal process, which includes a bottom plate 1, an upper mold 2 and a lower mold 3, the lower mold 3 is mounted on the top surface of the bottom plate 1, the lower mold 3 is of a convex structure, the upper mold 2 is of a concave structure, side plates 31 are fixed on two edges of the bottom plate 1 at two sides of the lower mold 3, the side plates 31 are in a vertical state, a top plate 4 is fixed on the top ends of the side plates 31, a lifting device 5 is arranged on the top plate 4, the lifting device 5 is connected with the upper die 2, the lifting device 5 is used for driving the upper die 2 to lift, one end of the guide mechanism 7 is connected with the upper die 2, the guide mechanism 7 is used for guiding the sliding direction of the upper die 2, the buffer mechanism 6 is arranged between the upper die 2 and the lower die 3, and the buffer mechanism 6 is used for buffering the upper die 2 in the lifting or descending process.
The lifting device 5 comprises an air cylinder 51, a piston rod 52 and a connector 53, the air cylinder 51 is fixed on the top plate 4, the air cylinder 51 is controlled by the PLC, one end of the piston rod 52 is inserted into the air cylinder 51, the other end of the piston rod 52 is fixed with the connector 53 fixed on the upper die 2, the air cylinder 51 drives the piston rod 52 to ascend or descend, and the connector 53 is driven to ascend or descend synchronously in the ascending or descending process.
The guide mechanism 7 comprises a collar 71, a guide rod 72 and a sleeve 73, the collar 71 penetrates through the top plate 4, the bottom end of the collar 71 is fixed with the sleeve 73, the collar 71 abuts against the top plate 4, the guide rod 72 penetrates through the sleeve 73 to be fixed with the upper die 2, two ends of the sleeve 73 extend out of the top plate 4, the position of the sleeve 73 is limited by the collar 71, the guide rod 72 is inserted into the sleeve 73 to be pinched, the diameters of the guide rod 72 and the sleeve 73 are small, and guide is provided during the sliding process of the guide rod 72.
The buffer mechanism 6 comprises a pump body 61, a first pipeline 62, a second pipeline 63, an insert rod 64 and an insert cylinder 65, wherein the pump body 61 is fixed on the upper die 2, the output ends of the two ends of the pump body 61 are respectively connected with the first pipeline 62 and the second pipeline 63, the insert cylinder 65 is fixed on the lower die 3, the insert rod 64 is fixed on the upper die 2, the insert rod 64 is inserted into the insert cylinder 65, and the first and second pipes 62 and 63 are respectively communicated with the insert cylinders 65 at both sides, the first and second pipes 62 and 63 are connected to the bottom of the insert cylinders 65, when the insertion rod 64 ascends, the first pipeline 62 and the second pipeline 63 pump air and send the air into the insertion cylinder 65, the pump body 61 pumps air or extracts air into the first pipeline 62 and the second pipeline 63, the air pressure in the insertion cylinder 65 is increased or reduced, the pump body 61 is used for ventilating the insertion cylinder 65, in the state where the upper mold 2 is raised, a certain auxiliary support is provided, reducing the pressure of the air cylinder 51.
The upper die 2 and the lower die 3 are also provided with ejector rods for ejection, and when the upper die 2 and the lower die 3 are separated, the ejector rods extend to eject bent pieces, so that follow-up personnel can take the bent pieces conveniently.
Example two:
referring to fig. 5, the lifting device 5 includes an air cylinder 51, a piston rod 52 and a connector 53, the air cylinder 51 is fixed on the top plate 4, the air cylinder 51 is controlled by the PLC, one end of the piston rod 52 is inserted into the air cylinder 51, the other end of the piston rod 52 is fixed to the connector 53 fixed on the upper die 2, and the air cylinder 51 drives the piston rod 52 to ascend or descend, and drives the connector 53 to ascend or descend synchronously in the ascending or descending process.
The guide mechanism 7 comprises a collar 71, a guide rod 72 and a sleeve 73, the collar 71 penetrates through the top plate 4, the bottom end of the collar 71 is fixed with the sleeve 73, the collar 71 abuts against the top plate 4, the guide rod 72 penetrates through the sleeve 73 to be fixed with the upper die 2, two ends of the sleeve 73 extend out of the top plate 4, the position of the sleeve 73 is limited by the collar 71, the guide rod 72 is inserted into the sleeve 73 to be pinched, the diameters of the guide rod 72 and the sleeve 73 are small, and guide is provided during the sliding process of the guide rod 72.
The upper die 2 and the lower die 3 are also provided with ejector rods for ejection, when the ejector rods are separated from the upper die 2 and the lower die 3, bent pieces are ejected in an extending manner, so that the bent pieces can be conveniently taken by follow-up personnel, the buffer mechanism 6 comprises a first pipeline 62, a second pipeline 63, an insert rod 64 and an insert cylinder 65, the pump body 61 is fixed on the upper die 2, one ends of the first pipeline 62 and the second pipeline 63 are communicated with a cavity for accommodating the ejector rods, the insert cylinder 65 is fixed on the lower die 3, the insert rod 64 is fixed on the upper die 2, the insert rod 64 is inserted into the insert cylinder 65, the first pipeline 62 and the second pipeline 63 are respectively communicated with the insert cylinders 65 on two sides, the first pipeline 62 and the second pipeline 63 are positioned at the top of the insert cylinder 65, the insert rod 64 is positioned below, when the upper die 2 rises, the insert rod 64 rises, the pressure in the insert cylinder 65 increases, the cavity for accommodating the ejector rods is used for conveying gas, the ejector rods, go up the in-process that mould 2 descends, insert a 65 internal gas pressure reduction, extract the interior atmospheric pressure of ejector pin cavity, the ejector pin withdrawal to the extension distance of ejector pin is no longer than 2cm, through combining last mould 2 and ejector pin, when reaching the die sinking state and producing, the ejector pin utilizes the produced atmospheric pressure change that rises, with the ejector pin extension, when closing the mould, the ejector pin withdrawal avoids influencing the shaping simultaneously.
In summary, the following steps: the invention relates to a flexible use method of a sheet metal die of a bending machine, a guide mechanism 7 is used for guiding the sliding direction of an upper die 2, a buffer mechanism 6 is arranged between the upper die 2 and a lower die 3, the buffer mechanism 6 is used for buffering the upper die 2 in the process of ascending or descending, a first pipeline 62 and a second pipeline 63 pump gas and send the gas into an insert cylinder 65 in the process of ascending an insert rod 64, a pump body 61 pumps gas or exhausts the gas into the first pipeline 62 and the second pipeline 63 to increase or reduce the gas pressure in the insert cylinder 65, the pump body 61 is used for pumping the gas into the insert cylinder 65, certain auxiliary support is provided in the ascending state of the upper die 2, the pressure of a cylinder 51 is reduced, ejector rods for ejecting are further arranged on the upper die 2 and the lower die 3, when the ejector rods are separated from the upper die 2 and the lower die 3, ejection bending pieces are extended, so that follow-up personnel can conveniently take and combine the upper die 2 and the ejector, when the mold opening state is generated, the ejector rod extends by utilizing the air pressure change generated by rising, and meanwhile, when the mold is closed, the ejector rod retracts, so that the molding is prevented from being influenced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. The flexible use method of the sheet metal die of the bending machine is characterized by comprising the following steps of:
s1, opening the mould: the pump body (61) is filled with gas through the first pipeline (62) and the second pipeline (63) to increase the pressure in the insert cylinder (65), the air cylinder (51) synchronously controls the piston rod (52) to drive the upper die (2) to ascend to a specified position, and the gas pressure in the insert cylinder (65) is kept unchanged all the time;
s2, workpiece preparation: a piece to be bent is placed on the lower die (3);
s3, molding: the pump body (61) extracts air in the insert cylinder (65) through the first pipeline (62) and the second pipeline (63), the pressure of the insert cylinder (65) is reduced, the piston rod (52) is synchronously controlled by the air cylinder (51) to drive the upper die (2) to descend, and the upper die (2) punches a to-be-bent piece to complete sheet metal;
the sheet metal die using method adopting the steps S1-S3 further concretely relates to the sheet metal die in the sheet metal process, and the sheet metal die comprises a bottom plate (1), an upper die (2) and a lower die (3), wherein the lower die (3) is installed on the top surface of the bottom plate (1), side plates (31) are fixed on two edges of the bottom plate (1) on two sides of the lower die (3), a top plate (4) is fixed on the top end of each side plate (31), a lifting device (5), a buffer mechanism (6) and a guide mechanism (7) are arranged on each top plate (4), the lifting device (5) is connected with the upper die (2), the lifting device (5) is used for driving the upper die (2) to lift, one end of the guide mechanism (7) is connected with the upper die (2), the guide mechanism (7) is used for guiding the sliding direction of the upper die (2), the buffer mechanism (6) is arranged between the upper die (2) and, the buffer mechanism (6) is used for buffering the upper die (2) in the process of ascending or descending.
2. The flexible use method of the sheet metal die of the bending machine according to claim 1, wherein the lifting device (5) comprises an air cylinder (51), a piston rod (52) and a connector (53), the air cylinder (51) is fixed on the top plate (4), one end of the piston rod (52) is inserted into the air cylinder (51), and the other end of the piston rod (52) is fixed with the connector (53) fixed on the upper die (2).
3. The flexible use method of the sheet metal die of the bending machine is characterized in that the guide mechanism (7) comprises a sleeve ring (71), a guide rod (72) and a sleeve (73), the sleeve ring (71) penetrates through the top plate (4), the bottom end of the sleeve ring (71) is fixed with the sleeve (73), the sleeve ring (71) abuts against the top plate (4), and the guide rod (72) penetrates through the sleeve (73) and is fixed with the upper die (2).
4. The flexible use method of the sheet metal die of the bending machine according to claim 1, characterized in that the buffer mechanism (6) comprises a pump body (61), a first pipeline (62), a second pipeline (63), an insert rod (64) and an insert cylinder (65), the pump body (61) is fixed on the upper die (2), the two ends of the pump body (61) are respectively connected with the first pipeline (62) and the second pipeline (63), the insert cylinder (65) is fixed on the lower die (3), the insert rod (64) is fixed on the upper die (2), the insert rod (64) is inserted into the insert cylinder (65), and the first pipeline (62) and the second pipeline (63) are respectively communicated with the insert cylinders (65) on the two sides.
5. The flexible use method of the sheet metal die of the bending machine according to claim 1, characterized in that the upper die (2) and the lower die (3) are further provided with ejector rods for ejection, and the ejector rods extend to eject the piece to be bent when the upper die (2) and the lower die (3) are separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011608616.9A CN112605182A (en) | 2020-12-30 | 2020-12-30 | Flexible use method of sheet metal die of bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011608616.9A CN112605182A (en) | 2020-12-30 | 2020-12-30 | Flexible use method of sheet metal die of bending machine |
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| Publication Number | Publication Date |
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| CN112605182A true CN112605182A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011608616.9A Pending CN112605182A (en) | 2020-12-30 | 2020-12-30 | Flexible use method of sheet metal die of bending machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5673601A (en) * | 1992-09-02 | 1997-10-07 | Komatsu Ltd. | Breakthrough buffer for presses and control method therefor |
| WO2009026893A1 (en) * | 2007-08-24 | 2009-03-05 | Christian Wieber | Drive system for hydraulic presses |
| CN110052534A (en) * | 2019-04-23 | 2019-07-26 | 滁州达世汽车配件有限公司 | A kind of automotive door hinge stiffening plate stamping die with cooling body |
| CN210966558U (en) * | 2019-10-24 | 2020-07-10 | 江苏神舟车业集团有限公司 | Stamping and shearing equipment for V-shaped sheet metal part of automobile |
| CN211071415U (en) * | 2019-10-26 | 2020-07-24 | 广州松洛特电子科技有限公司 | Television set back plate metal sheet stamping device |
| CN211758081U (en) * | 2020-03-03 | 2020-10-27 | 湖州共合管业有限公司 | Stamping device for forming flaring reducer |
| CN211803260U (en) * | 2019-11-27 | 2020-10-30 | 昆山市艾之特精密模具科技有限公司 | Stamping die is used in automobile parts processing |
-
2020
- 2020-12-30 CN CN202011608616.9A patent/CN112605182A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5673601A (en) * | 1992-09-02 | 1997-10-07 | Komatsu Ltd. | Breakthrough buffer for presses and control method therefor |
| WO2009026893A1 (en) * | 2007-08-24 | 2009-03-05 | Christian Wieber | Drive system for hydraulic presses |
| CN110052534A (en) * | 2019-04-23 | 2019-07-26 | 滁州达世汽车配件有限公司 | A kind of automotive door hinge stiffening plate stamping die with cooling body |
| CN210966558U (en) * | 2019-10-24 | 2020-07-10 | 江苏神舟车业集团有限公司 | Stamping and shearing equipment for V-shaped sheet metal part of automobile |
| CN211071415U (en) * | 2019-10-26 | 2020-07-24 | 广州松洛特电子科技有限公司 | Television set back plate metal sheet stamping device |
| CN211803260U (en) * | 2019-11-27 | 2020-10-30 | 昆山市艾之特精密模具科技有限公司 | Stamping die is used in automobile parts processing |
| CN211758081U (en) * | 2020-03-03 | 2020-10-27 | 湖州共合管业有限公司 | Stamping device for forming flaring reducer |
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