CN114472621A - Automatic regulating assembly for upper pressing knife of bending machine - Google Patents
Automatic regulating assembly for upper pressing knife of bending machine Download PDFInfo
- Publication number
- CN114472621A CN114472621A CN202210201726.6A CN202210201726A CN114472621A CN 114472621 A CN114472621 A CN 114472621A CN 202210201726 A CN202210201726 A CN 202210201726A CN 114472621 A CN114472621 A CN 114472621A
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- forth
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- transversely
- cutter
- tool
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- 238000005452 bending Methods 0.000 title claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 title claims description 3
- 230000007246 mechanism Effects 0.000 claims description 77
- 230000007306 turnover Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 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
- B21D5/0209—Tools therefor
- B21D5/0254—Tool exchanging
-
- 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
- B21D5/0209—Tools therefor
- B21D5/0218—Length adjustment of the punch
Abstract
The invention discloses an automatic upper cutter pressing adjusting assembly of a bending machine, which comprises an upper cutter frame, a first cutter set, a first cutter changing driving device, a second cutter set and a second cutter changing driving device, wherein the upper cutter frame is provided with a first cutter holder; the first cutter group can be arranged on the upper cutter frame in a way of being capable of being turned up and down back and forth; the first tool changing driving device is arranged on the upper tool rest and drives the first tool set to overturn up and down; the second cutter group can be transversely and movably arranged on the upper cutter frame back and forth. The upper tool rest can be arranged on the upper tool rest in a manner of being capable of turning back and forth up and down through the first tool set; and the second cutter group is transversely movably arranged on the upper tool rest back and forth and positioned beside the first cutter group, so that the upper cutters do not need to be replaced manually, the time for replacing a large number of cutters is saved, meanwhile, the width of the cutters of the single first cutter group is reduced, the combined cutters are wider in size range and higher in precision, the continuity of the sizes of the combined cutters is better, and the limitation in the machining process is reduced.
Description
Technical Field
The invention relates to the technical field of bending machines, in particular to an automatic adjusting assembly for a pressing cutter on a bending machine.
Background
The bending machine is a machine capable of bending a thin plate, and mainly comprises a frame, a hydraulic system, an electrical system, a sliding block mechanism, a synchronizing mechanism, an upper die mechanism, a lower die mechanism, a rear material blocking mechanism, a front material supporting frame and the like. The upper die mechanism and the lower die mechanism comprise an upper pressing cutter assembly and a lower bending die, and the corresponding upper bending die and the corresponding lower bending die are customized according to different bending requirements.
When the existing bending machine is used for bending and forming in different sizes, cutters in different sizes need to be frequently replaced, the existing cutters are generally replaced manually, and the labor intensity of workers for replacing the cutters is high due to the fact that the weight of the cutters is large; according to different bending shapes and sizes, cutters with different sizes are required to be customized, a large amount of manpower and material resources are wasted, the machining efficiency is influenced, the use cost of equipment is increased, the sizes of different cutters are not continuous, the cutters with various sizes cannot be accurately replaced, and the use limitation is larger; therefore, there is a need to develop a new technical solution to solve the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects existing in the prior art, and a primary object of the present invention is to provide an automatic adjustment assembly for a press knife on a bending machine, which can change the overall size of a knife by adjusting the positions of a first knife group and a second knife group through a first knife group which is inverted up and down and a second knife group which is movable laterally, without manual replacement, so that the machining efficiency is higher, the use cost is lower, and the use limitation is smaller due to the cooperation of the first knife group and the second knife group.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic upper cutter pressing adjusting assembly of a bending machine comprises an upper cutter frame, a first cutter set, a first cutter changing driving device, a second cutter set and a second cutter changing driving device; the first cutter group can be arranged on the upper cutter frame in a way of being capable of being turned up and down back and forth; the first tool changing driving device is arranged on the upper tool rest and drives the first tool set to overturn up and down; the second cutter group can be transversely and movably arranged on the upper cutter frame back and forth and is positioned beside the first cutter group; the second tool changing driving device is arranged on the upper tool rest and drives the second tool set to transversely move back and forth.
As a preferred scheme, a pressing device is further arranged on the upper tool rest and comprises a pressing plate and a pressing driving mechanism, the pressing plate can be arranged on the upper tool rest in a vertically-reversed manner and is located beside the side of the first tool set, the lower end of the pressing plate abuts against the side of the first tool set, the pressing plate is hinged to the upper tool rest through a connecting part, the pressing driving mechanism is arranged on the upper tool rest and drives the pressing plate to be vertically reversed, and the output end of the pressing driving mechanism is connected with the upper end of the pressing plate.
Preferably, the pressing driving mechanism is an air cylinder.
As a preferable scheme, the first tool group comprises a plurality of first tools, and the first tool changing driving device comprises a mounting seat, a movable frame, a first driving mechanism, a movable shaft, a turnover shaft and a second driving mechanism; the mounting seat is fixedly arranged on the upper tool rest and is provided with a containing groove; the movable frame can be transversely movably arranged on the upper tool rest back and forth and is positioned beside the mounting seat; the first driving mechanism is arranged on the upper tool rest and drives the movable frame to transversely move back and forth; the moving shaft can be transversely arranged on the mounting seat in a back-and-forth moving way; the turnover shaft is arranged on the movable frame and moves back and forth along with the movable frame, the turnover shaft drives the movable shaft to move back and forth transversely, the turnover shaft can be arranged on the mounting seat in a back and forth rotating manner, and the turnover shaft can be arranged in a back and forth rotating manner relative to the movable shaft; the second driving mechanism is arranged on the movable frame and drives the turnover shaft to rotate back and forth; the first cutters are hung on the moving shaft and the turning shaft and are positioned in the accommodating groove, the first cutters are clamped into or separated from the turning shaft along with the movement of the moving shaft and the turning shaft, and the first cutters clamped into the turning shaft are driven by the turning shaft to turn over up and down.
Preferably, the first driving mechanism and the second driving mechanism are both servo motors.
As a preferred scheme, the number of the second tool sets is two, the two second tool sets are symmetrically distributed on the left side and the right side of the first tool set, correspondingly, the number of the second tool changing driving devices is two, and each second tool changing driving device drives the corresponding second tool set to move.
As a preferred scheme, an installation frame is arranged on the upper tool rest, a first sliding rail extending transversely is arranged on the installation frame, a first sliding seat matched with the first sliding rail is arranged on the second tool set, and the second tool set moves back and forth transversely along the first sliding rail under the driving of the second tool changing driving device through the matching of the first sliding seat and the first sliding rail.
As a preferable scheme, the second tool changing driving device comprises a conveyor belt, a third driving mechanism, a mounting plate, a fourth driving mechanism and a pusher dog; the conveying belt can be transversely arranged on the upper tool rest in a back-and-forth transmission manner; the third driving mechanism is arranged on the upper tool rest and drives the conveying belt to transversely rotate back and forth; the mounting plate is arranged on the conveyor belt and moves back and forth along with the conveyor belt; the fourth driving mechanism is arranged on the mounting plate and moves back and forth along with the mounting plate in the transverse direction; the pusher dog is arranged at the output end of the fourth driving mechanism and transversely moves back and forth along with the fourth driving mechanism, and the pusher dog is driven by the fourth driving mechanism to move back and forth beside the second cutter group.
As a preferred scheme, a second sliding rail transversely extending is arranged on the upper tool rest, a second sliding seat matched with the second sliding rail is arranged on the mounting plate, and the mounting plate transversely moves back and forth under the driving of the conveying belt through the matching of the second sliding seat and the second sliding rail.
Preferably, the third driving mechanism and the fourth driving mechanism are both servo motors.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
the upper tool rest can be arranged on the upper tool rest in a manner of being capable of turning back and forth up and down through the first tool set; and the second cutter group can be transversely movably arranged on the upper tool rest back and forth and positioned beside the first cutter group, so that when the size of the cutter is adjusted according to the machining requirement, the whole size of the upper cutter can be changed only by adjusting the number of the first cutters in the first cutter group and the positions of the second cutters in the second cutter group, the upper cutter does not need to be manually replaced, the time for replacing a large number of cutters is saved, the whole machining efficiency is improved, the labor cost is reduced, meanwhile, various cutters with different sizes can be combined through the matching of the first cutters with different numbers and the second cutters with different numbers, meanwhile, the size precision of the combined cutter is higher through reducing the width of the single first cutter, the continuity of the size between the combined cutters is better, and the limitation in the machining process is reduced.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a partial assembly view of the preferred embodiment of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is an enlarged schematic view at B in FIG. 3;
FIG. 6 is another partial assembly view of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. upper tool rest 11 and pressing device
111. Pressing plate 112 and pressing driving mechanism
113. Connecting part 12 and mounting rack
13. First slide rail 14, second slide rail
20. First tool set 21 and first tool
30. First tool changing driving device 301 and mounting groove
31. Mounting seat 32 and movable frame
33. First drive mechanism 34, moving shaft
35. Overturning shaft 36 and second driving mechanism
40. Second tool set 41, first carriage
50. Second tool changer drive device 51 and conveyor belt
52. Third drive mechanism 53, mounting plate
531. A second carriage 54, a fourth drive mechanism.
Detailed Description
Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, which includes an upper tool post 10, a first tool changer 20, a first tool changer driving device 30, a second tool changer driving device 40, and a second tool changer driving device 50.
The first tool set 20 is arranged on the upper tool rest 10 in a manner of being capable of being turned up and down; in this embodiment, the upper tool holder 10 is further provided with a pressing device 11, the pressing device 11 includes a pressing plate 111 and a pressing driving mechanism 112, the pressing plate 111 is disposed on the upper tool holder 10 and located beside the first tool group 20 in a vertically reversible manner, wherein the lower end of the pressing plate 111 abuts against the side surface of the first tool group 20, the pressing plate 111 is hinged to the upper tool holder 10 through a connecting portion 113, the pressing driving mechanism 112 is disposed on the upper tool holder 10 and drives the pressing plate 111 to vertically reverse, and the output end of the pressing driving mechanism 112 is connected to the upper end of the pressing plate 111; the pressing driving mechanism 112 is an air cylinder; the first tool group 20 comprises a plurality of first tools 21; the upper tool rest 10 is provided with a mounting frame 12, the mounting frame 12 is provided with a first slide rail 13 extending transversely, and the upper tool rest 10 is further provided with a second slide rail 14 extending transversely.
The first tool changing driving device 30 is arranged on the upper tool rest 10 and drives the first tool set 20 to turn up and down; in this embodiment, the first tool changing driving device 30 includes a mounting base 31, a movable frame 32, a first driving mechanism 33, a moving shaft 34, a turning shaft 35, and a second driving mechanism 36; the mounting seat 31 is fixedly mounted on the upper tool rest 10, and the mounting seat 31 is provided with a containing groove 301; the movable frame 32 is movably arranged on the upper tool rest 10 in a transverse reciprocating manner and is positioned beside the mounting seat 31; the first driving mechanism 33 is arranged on the upper tool rest 10 and drives the movable frame 32 to transversely move back and forth; the moving shaft 34 is transversely arranged on the mounting seat 31 in a back-and-forth moving way; the turning shaft 35 is arranged on the movable frame 32 and moves back and forth along with the movable frame 32, the turning shaft 35 drives the moving shaft 34 to move back and forth transversely, the turning shaft 35 is arranged on the mounting base 31 in a back and forth rotating manner, and the turning shaft 35 is arranged in a back and forth rotating manner relative to the moving shaft 34; the second driving mechanism 36 is arranged on the movable frame 32 and drives the turning shaft 35 to rotate back and forth; the plurality of first cutters 21 are hung on the moving shaft 34 and the turning shaft 35 and are positioned in the accommodating groove 301, the plurality of first cutters 21 are clamped into or separated from the turning shaft 35 along with the movement of the moving shaft 34 and the turning shaft 35, and the first cutters 21 clamped into the turning shaft 35 are driven by the turning shaft 35 to turn over up and down; the first driving mechanism 33 and the second driving mechanism 36 are both servo motors.
The second tool group 40 is transversely and movably arranged on the upper tool rest 10 back and forth and is positioned beside the first tool group 20; in this embodiment, there are two second tool sets 40, which are symmetrically distributed on the left and right sides of the first tool set 20; the second cutter set 40 has a first slide 41 cooperating with the first slide rail 12.
The second tool changing driving device 50 is arranged on the upper tool rest 10 and drives the second tool set 40 to transversely move back and forth; in this embodiment, the second tool changing driving devices 50 are also two arranged in bilateral symmetry, and each second tool changing driving device 50 drives the corresponding second tool group 40 to move; the second tool set 40 is engaged with the first slide rail 12 through the first slide 41 and is driven by the second tool changing driving device 50 to move back and forth along the first slide rail 12; the second tool changing driving device 50 comprises a conveyor belt 51, a third driving mechanism 52, a mounting plate 53, a fourth driving mechanism 54 and a pusher dog (not shown); the conveyor belt 51 can be transversely arranged on the upper tool rest 10 in a back-and-forth transmission manner; the third driving mechanism 52 is arranged on the upper tool rest 10 and drives the conveyor belt 51 to transversely rotate back and forth; the mounting plate 53 is arranged on the conveyor belt 51 and moves back and forth transversely with the conveyor belt 51; the fourth driving mechanism 54 is arranged on the mounting plate 53 and moves back and forth along with the mounting plate 53; the pusher dog is arranged at the output end of the fourth driving mechanism 54 and moves back and forth along with the fourth driving mechanism 54 in the transverse direction, and the pusher dog moves back and forth beside the second cutter group 40 under the driving of the fourth driving mechanism 54; the mounting plate 53 is provided with a second sliding seat 531 matched with the second sliding rail 14, and the mounting plate 531 is driven by the conveyor belt 51 to transversely move back and forth through the matching of the second sliding seat 531 and the second sliding rail 14; the third drive mechanism 52 and the fourth drive mechanism 54 are both servo motors.
Detailed description the working principle of the present embodiment is as follows:
when the bending machine performs tool changing operation in the working process, according to the size of the required tools, firstly, the number of the first tools 21 in the first tool group 20 and the number of the second tools in the second tool group 40 are calculated, then the second driving mechanism 36 in the first tool changing driving device 30 drives the first tools 21 to turn upwards, then the first driving mechanism 33 drives the moving shaft 34 and the turning shaft 35 to move transversely, so that the required number of the first tools 21 are completely clamped into the turning shaft 35, then the second driving mechanism 36 drives the turning shaft 35 to turn over, so as to drive the first tools 21 clamped into the turning shaft 35 to turn downwards, meanwhile, the third driving mechanism 52 in the second tool changing driving device 50 drives the conveyor belt 51 to transmit, and the fourth driving mechanism 54 transmits to the required number of the second tools, then the fourth driving mechanism 54 drives the pusher dog (not shown in the figure) to be inserted into the second tool group 40, and the third driving mechanism 52 drives the fourth driving mechanism 54 and a pusher dog (not shown) to approach the first tool 21 after the turning through the conveyor belt 51, so that a tool with a required size is formed, and the purpose of accurate and automatic tool changing is achieved.
The design of the invention is characterized in that: the upper tool rest can be arranged on the upper tool rest in a manner of being capable of turning back and forth up and down through the first tool set; and the second cutter group can be transversely movably arranged on the upper tool rest back and forth and positioned beside the first cutter group, so that when the size of the cutter is adjusted according to the machining requirement, the whole size of the upper cutter can be changed only by adjusting the number of the first cutters in the first cutter group and the positions of the second cutters in the second cutter group, the upper cutter does not need to be manually replaced, the time for replacing a large number of cutters is saved, the whole machining efficiency is improved, the labor cost is reduced, meanwhile, various cutters with different sizes can be combined through the matching of the first cutters with different numbers and the second cutters with different numbers, meanwhile, the size precision of the combined cutter is higher through reducing the width of the single first cutter, the continuity of the size between the combined cutters is better, and the limitation in the machining process is reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. The utility model provides a press sword automatically regulated subassembly on bender which characterized in that: the tool changing device comprises an upper tool rest, a first tool set, a first tool changing driving device, a second tool set and a second tool changing driving device; the first cutter group can be arranged on the upper cutter frame in a way of being capable of being turned up and down back and forth; the first tool changing driving device is arranged on the upper tool rest and drives the first tool set to overturn up and down; the second cutter group can be transversely and movably arranged on the upper cutter frame back and forth and is positioned beside the first cutter group; the second tool changing driving device is arranged on the upper tool rest and drives the second tool set to transversely move back and forth.
2. The automatic adjusting assembly for the press knife on the bending machine according to claim 1, characterized in that: the upper tool rest is further provided with a pressing device, the pressing device comprises a pressing plate and a pressing driving mechanism, the pressing plate can be arranged on the upper tool rest in a vertically-reversed mode and is located beside the side of the first tool set, the lower end of the pressing plate abuts against the side face of the first tool set, the pressing plate is hinged to the upper tool rest through a connecting portion, the pressing driving mechanism is arranged on the upper tool rest and drives the pressing plate to be vertically reversed, and the output end of the pressing driving mechanism is connected with the upper end of the pressing plate.
3. The automatic adjusting assembly for the press knife on the bending machine according to claim 2, characterized in that: the pressing driving mechanism is an air cylinder.
4. The automatic adjusting assembly for the press knife on the bending machine according to claim 1, characterized in that: the first tool group comprises a plurality of first tools, and the first tool changing driving device comprises a mounting seat, a movable frame, a first driving mechanism, a moving shaft, a turnover shaft and a second driving mechanism; the mounting seat is fixedly arranged on the upper tool rest and is provided with a containing groove; the movable frame can be transversely movably arranged on the upper tool rest back and forth and is positioned beside the mounting seat; the first driving mechanism is arranged on the upper tool rest and drives the movable frame to transversely move back and forth; the moving shaft can be transversely arranged on the mounting seat in a back-and-forth moving way; the turnover shaft is arranged on the movable frame and moves back and forth along with the movable frame, the turnover shaft drives the movable shaft to move back and forth transversely, the turnover shaft can be arranged on the mounting seat in a back and forth rotating manner, and the turnover shaft can be arranged in a back and forth rotating manner relative to the movable shaft; the second driving mechanism is arranged on the movable frame and drives the turnover shaft to rotate back and forth; the first cutters are hung on the moving shaft and the turning shaft and are positioned in the accommodating groove, the first cutters are clamped into or separated from the turning shaft along with the movement of the moving shaft and the turning shaft, and the first cutters clamped into the turning shaft are driven by the turning shaft to turn over up and down.
5. The automatic adjusting assembly for the press knife on the bending machine according to claim 4, characterized in that: the first driving mechanism and the second driving mechanism are servo motors.
6. The automatic adjusting assembly for the press knife on the bending machine according to claim 1, characterized in that: the two second tool changing driving devices are correspondingly arranged in a bilateral symmetry mode, and each second tool changing driving device drives the corresponding second tool changing set to move.
7. The automatic adjusting assembly for the press knife on the bending machine according to claim 1, characterized in that: the upper tool rest is provided with a mounting frame, a first sliding rail extending transversely is arranged on the mounting frame, the second tool set is provided with a first sliding seat matched with the first sliding rail, and the second tool set transversely moves back and forth along the first sliding rail under the driving of the second tool changing driving device through the matching of the first sliding seat and the first sliding rail.
8. The automatic adjusting assembly for the press knife on the bending machine according to claim 1, characterized in that: the second tool changing driving device comprises a conveying belt, a third driving mechanism, a mounting plate, a fourth driving mechanism and a pusher dog; the conveying belt can be transversely arranged on the upper tool rest in a back-and-forth transmission manner; the third driving mechanism is arranged on the upper tool rest and drives the conveying belt to transversely rotate back and forth; the mounting plate is arranged on the conveyor belt and moves back and forth along with the conveyor belt; the fourth driving mechanism is arranged on the mounting plate and moves back and forth along with the mounting plate in the transverse direction; the pusher dog is arranged at the output end of the fourth driving mechanism and transversely moves back and forth along with the fourth driving mechanism, and the pusher dog is driven by the fourth driving mechanism to move back and forth beside the second cutter group.
9. The automatic adjusting assembly for the press knife on a bending machine according to claim 8, characterized in that: the upper tool rest is provided with a second slide rail which transversely extends, the mounting plate is provided with a second slide seat which is matched with the second slide rail, and the mounting plate transversely moves back and forth under the driving of the conveyor belt through the matching of the second slide seat and the second slide rail.
10. The automatic adjusting assembly for the press knife on the bending machine according to claim 8, characterized in that: and the third driving mechanism and the fourth driving mechanism are both servo motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210201726.6A CN114472621A (en) | 2022-03-03 | 2022-03-03 | Automatic regulating assembly for upper pressing knife of bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210201726.6A CN114472621A (en) | 2022-03-03 | 2022-03-03 | Automatic regulating assembly for upper pressing knife of bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114472621A true CN114472621A (en) | 2022-05-13 |
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ID=81484391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210201726.6A Pending CN114472621A (en) | 2022-03-03 | 2022-03-03 | Automatic regulating assembly for upper pressing knife of bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114472621A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117123650A (en) * | 2023-10-24 | 2023-11-28 | 广东华雷金属制造有限公司 | Flanging sheet metal part bending equipment |
-
2022
- 2022-03-03 CN CN202210201726.6A patent/CN114472621A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117123650A (en) * | 2023-10-24 | 2023-11-28 | 广东华雷金属制造有限公司 | Flanging sheet metal part bending equipment |
| CN117123650B (en) * | 2023-10-24 | 2024-01-16 | 广东华雷金属制造有限公司 | Flanging sheet metal part bending equipment |
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Country or region after: China Address after: 523000, No. 12, Jinfu 1st Road, Liaobu Town, Dongguan City, Guangdong Province Applicant after: Dongfang Machinery (Guangdong) Co.,Ltd. Address before: 523000 Jinfu 1st Road, Shibu village, Liaobu Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN DONGDUAN MACHINERY Co.,Ltd. Country or region before: China |