CN117960862B - Crease-resistant bending forming die for high-strength aluminum alloy bumper - Google Patents
Crease-resistant bending forming die for high-strength aluminum alloy bumper Download PDFInfo
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- CN117960862B CN117960862B CN202410385360.1A CN202410385360A CN117960862B CN 117960862 B CN117960862 B CN 117960862B CN 202410385360 A CN202410385360 A CN 202410385360A CN 117960862 B CN117960862 B CN 117960862B
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 57
- 238000005452 bending Methods 0.000 title claims abstract description 51
- 239000004020 conductor Substances 0.000 claims description 48
- 230000033228 biological regulation Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 16
- 239000006185 dispersion Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000013000 roll bending Methods 0.000 description 2
- 230000001153 anti-wrinkle effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a high-strength aluminum alloy bumper crease-resistant bending forming die, which relates to the technical field of workpiece bending dies and comprises a die holder and a positioning die set, wherein two parallel straight guide rails are arranged on two sides of the die holder; in the bending process, the surface shaping of the aluminum alloy bumper at the bending part is improved, the generation of wrinkles in the bending process is avoided, the effective dispersion and control of stress in the bending process of the bumper are realized, the occurrence of wrinkling is prevented, and the generated wrinkles can be processed by the top roller more easily.
Description
Technical Field
The invention relates to the technical field of workpiece bending dies, in particular to a high-strength aluminum alloy bumper crease-resistant bending forming die.
Background
With the rapid development of the automobile industry, an automobile bumper is taken as an important safety component of a vehicle, and the quality and performance of the automobile bumper have important influence on the overall safety performance of the vehicle; in recent years, aluminum alloy materials have been widely used in the manufacture of automobile bumpers due to their excellent mechanical properties, corrosion resistance, and light weight characteristics; however, the aluminum alloy material is easy to wrinkle, crack and the like in the forming process of the bumper, particularly in the bending forming stage, and the forming quality and the production efficiency of the bumper are seriously affected.
Most of the current bumper bending forming dies adopt a single structure, and cannot effectively adapt to complex stress changes of aluminum alloy materials in the bending process, so that wrinkling phenomenon of the bumper occurs in the forming process; in addition, the existing mold design often lacks sufficient consideration on material performance, so that the mold is easy to wear and deform in the long-time use process, and the molding quality of the bumper is further affected.
Therefore, it is necessary to provide a high-strength aluminum alloy bumper crease-resistant bending forming die to solve the problems set forth in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a crease-resistant bending die of high strength aluminum alloy bumper, includes die holder, positioning module, be equipped with two parallel straight guide rails on the both sides of die holder, install crooked module one on the straight guide rail of one side, crooked module one is including installing the regulation and control seat one on the straight guide rail of one side, installs flexible jar one on the regulation and control seat one, and the top stay roller piece is installed to flexible jar output, installs crooked module two on the straight guide rail of opposite side, crooked module two is including installing the regulation and control seat two on the straight guide rail of opposite side, installs flexible jar two on the regulation and control seat two, and the bending roller piece is installed to the output of flexible jar two, positioning module sets up between two straight guide rails.
Further, as the preference, the positioning module includes positioning seat, locating piece and retention roller, the positioning seat is fixed at the die holder middle part, is equipped with a plurality of parallel location slides on the positioning seat, the lower extreme of locating piece can be fixed with the location slide assembly, the lower extreme of retention roller can be fixed with the upper end assembly of locating piece.
Further, as an preference, the top support roller member includes a first positioning frame, one end of the first positioning frame is fixedly connected with the output end of the first telescopic cylinder, the other end of the first positioning frame is rotatably provided with a first rotating shaft, a first top roller is coaxially fixed on the first rotating shaft, a second top roller is rotatably mounted on one side of the side roller surface of the first top roller, the second top roller is uniformly distributed along the side roller surface of the first top roller, a first rotator is mounted on the first positioning frame, and the output end of the first rotator is fixedly connected with the upper end of the first rotating shaft.
Further, preferably, the two top rollers are mounted on the first top roller through damping bearings.
Further, preferably, the second top roller is of a structure for heating a conductor material, and a temperature control system for regulating and controlling the temperature of the second top roller is installed on the top supporting roller.
Further, as an preference, the temperature control system comprises a control box and a connecting system, the control box is arranged on a first positioning frame, the connecting system is provided with two groups, one group of connecting system is used for connecting the upper end of a top roller II with the positive end of the control box, the other group of connecting system is used for connecting the lower end of the top roller II with the negative end of the control box, the upper end and the lower end of the top roller I are respectively provided with a retaining groove, the connecting system comprises a rod-shaped conductor I and a ring-shaped conductor II, one end of the rod-shaped conductor I is connected with the ring-shaped conductor I, the ring-shaped conductor I is fixed on the first positioning frame, the ring-shaped conductor II is connected with a rod-shaped conductor II, the rod-shaped conductor II is connected with a retaining column fixedly connected with the retaining groove, the other end of the rod-shaped conductor II is contacted with the side surface of the ring-shaped conductor I, and the ring-shaped conductor II is provided with a connecting groove contacted with the end of the top roller II.
Further, as an preference, the roll bending piece comprises a second positioning frame, one end of the second positioning frame is fixedly connected with the output end of the second telescopic cylinder, a second rotating shaft is rotatably arranged at the other end of the second positioning frame, a press roll is coaxially rotatably arranged on the second rotating shaft, a pressing disc is coaxially fixed at the upper end and the lower end of the second rotating shaft, a second rotator is arranged on the second positioning frame, and the output end of the second rotator is fixedly connected with the upper end of the second rotating shaft.
Further, preferably, a side surface of the pressing plate contacts with a side roller surface of the top roller II.
Further, preferably, a smooth concave surface and a smooth convex surface are arranged on a surface of the pressing plate, which is close to one side of the pressing roller, and the smooth concave surface and the smooth convex surface are alternately arranged on the surface of the pressing plate in a circumference manner.
Compared with the prior art, the invention provides the anti-wrinkle bending forming die for the high-strength aluminum alloy bumper, which has the following beneficial effects:
According to the invention, through the structural design of the first bending module and the second bending module, the second top roller can continuously roll the curved inner side surface of the aluminum alloy bumper at high frequency, the clamping pressure of the pressure plate can flatten the upper side surface and the lower side surface of the aluminum alloy bumper, in the process, when the second top roller drives the second top roller to rotate, the first top roller rolls along the curved inner side surface of the aluminum alloy bumper, and the first rotator adopts a positive and negative driving control mode, so that the outward pulling and inward compression effects are realized on the surface of the aluminum alloy bumper, when the curved inner side surface of the aluminum alloy bumper generates wrinkles, the generated wrinkles can be timely flattened and compacted, and the production of the wrinkles on the inner side surface of the aluminum alloy bumper is avoided.
In the bending process, the surface shaping of the aluminum alloy bumper at the bending part is improved, the generation of wrinkles in the bending process is avoided, the effective dispersion and control of stress in the bending process of the bumper are realized, the occurrence of wrinkling is prevented, and the generated wrinkles can be processed by the top roller more easily.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of a bending module I according to the present invention;
FIG. 3 is a schematic view of a bending module II of the present invention in partial cross-section;
FIG. 4 is a schematic diagram of a partial structure of a temperature control system according to the present invention;
FIG. 5 is a schematic view of a bending module I of the present invention in partial cross-section;
FIG. 6 is a schematic view of the platen structure of the present invention;
In the figure: 1. a die holder; 2. bending the first module; 3. a second bending module; 4. a positioning module; 11. a straight guide rail; 21. a first regulation seat; 22. a telescopic cylinder I; 23. a top support roller member; 24. a temperature control system; 25. a first rotator; 221. a first positioning frame; 222. a first rotating shaft; 223. a first top roller; 224. a second top roller; 241. a control box; 242. a connection system; 243. a rod-shaped conductor I; 244. a first annular conductor; 245. a second annular conductor; 246. a retention post; 2451. a second rod-shaped conductor; 2452. a connecting groove; 2231. a retention groove; 2241. damping bearings; 31. a second regulating seat; 32. a telescopic cylinder II; 33. a press roll member; 331. a positioning frame II; 332. a second rotating shaft; 333. a second rotator; 334. a press roller; 335. a pressure plate; 3351. a smooth concave surface; 3352. a smooth convex surface; 41. a positioning seat; 42. positioning a slideway; 43. a positioning block; 44. and (3) a retention roller.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a crease-resistant bending die of high strength aluminum alloy bumper, includes die holder 1, positioning module 4, be equipped with two parallel straight guide rail 11 on the both sides of die holder 1, install crooked module one 2 on the straight guide rail of one side, crooked module one 2 is including installing the regulation and control seat one 21 on the straight guide rail of one side, installs flexible jar one 22 on the regulation and control seat one 21, and the top stay roller piece 23 is installed to flexible jar one 22 output, installs crooked module two 3 on the straight guide rail of opposite side, crooked module two 3 is including installing the regulation and control seat two 31 on the straight guide rail of opposite side, installs flexible jar two 32 on the regulation and control seat two 31, and the buckling roller piece 33 is installed to the output of flexible jar two 32, positioning module 4 sets up between two straight guide rail 11.
In this embodiment, the positioning module 4 includes a positioning seat 41, a positioning block 43 and a positioning roller 44, the positioning seat 41 is fixed in the middle of the die holder 1, a plurality of parallel positioning slides 42 are disposed on the positioning seat 41, the lower end of the positioning block 43 can be assembled and fixed with the positioning slides 42, the lower end of the positioning roller 44 can be assembled and fixed with the upper end of the positioning block 43, and a plurality of positioning slides 42 are disposed, so that a proper number of positioning blocks and positioning rollers and a proper position of the positioning slides can be selected according to the required bending position of a specific aluminum alloy bumper, so that the aluminum alloy bumper is retained, and the operation of the bending module two 3 and the bending module one 2 is avoided.
In this embodiment, the top supporting roller 23 includes a first positioning frame 221, one end of the first positioning frame 221 is fixedly connected with the output end of the first telescopic cylinder 22, the other end of the first positioning frame 221 is rotatably provided with a first rotating shaft 222, a first top roller 223 is coaxially fixed on the first rotating shaft 222, a second top roller 224 is rotatably provided on one side of the side roller surface of the first top roller 223, the second top roller 224 is uniformly distributed along the side roller surface of the first top roller 223, a first rotator 25 is installed on the first positioning frame 221, the output end of the first rotator 25 is fixedly connected with the upper end of the first rotating shaft 222, and the second top roller 224 is in a freely rotating structural design;
Specifically, when the bending module II 3 acts on the aluminum alloy bumper to bend the aluminum alloy bumper to one side of the top supporting roller piece 23, the first rotator 25 controls the first rotator 223 to rotate, so that the second rotator 224 can continuously and high-frequency roll the curved inner side surface (i.e. the main corrugated surface) of the aluminum alloy bumper in the bending process of the aluminum alloy bumper, and in the process, when the second rotator 224 drives the first rotator 223 to rotate along the curved inner side surface of the aluminum alloy bumper, as a preferred embodiment, the first rotator 25 adopts a positive and negative driving control mode, and the rotation angle of the second rotator is larger than the central angle between the adjacent first rotators, when the first top roller rotates clockwise and anticlockwise, the inner side surface of the bending of the aluminum alloy bumper can be fully contacted with the second top roller 224, so that when the first top roller 223 rotates anticlockwise in the bending process of the aluminum alloy bumper with the effect of the second bending module 3, an outward pulling effect is achieved on the surface of the aluminum alloy bumper, otherwise, an inward compression effect is achieved on the surface of the aluminum alloy bumper, when wrinkles are generated on the inner side surface of the bending of the aluminum alloy bumper, the inner side surface of the bending module can be timely processed by the second top roller 224, wherein when the outward pulling effect is achieved, generated wrinkles can be flattened, and when the inward compression effect is achieved, the flattened wrinkles can be compacted, so that the production of the wrinkles on the inner side surface of the aluminum alloy bumper is avoided.
In this embodiment, the second top roller 224 is mounted on the first top roller 223 through a damping bearing 2241, so that the effect of outwards pulling and inwards compressing the aluminum alloy bumper when the first top roller 223 drives the second top roller 224 to turn over in the rotation process and the second top roller 224 rotates is further enhanced.
In this embodiment, the second top roller 224 is of a heating conductor material structure, and the temperature control system 24 for adjusting and controlling the temperature of the second top roller 224 is installed on the second top roller 23, and by performing certain heating treatment on the aluminum alloy bumper, the aluminum alloy bumper can be locally shaped and lifted, which is favorable for avoiding the generation of wrinkles of the aluminum alloy bumper and the treatment of the generated wrinkles, where, in a preferred embodiment, when the heating temperature of the aluminum alloy bumper is set, the material of the aluminum alloy bumper needs to be preprocessed according to the required bending, and the processing is performed by the existing bending forming device, which includes at least the following parameters, the maximum protrusion height H of the wrinkles generated by bending the aluminum alloy bumper heats the wrinkles of the maximum protrusion height H generated by bending the aluminum alloy bumper, and a proper heating temperature T is selected, so as to obtain the heating temperature with pertinence to the wrinkles, thereby avoiding the heating temperature of the aluminum alloy bumper from being too high or too low, and maintaining the original stress structure inside the aluminum alloy bumper.
In this embodiment, the temperature control system 24 includes a control box 241 and a connection system 242, the control box 241 is mounted on a first positioning frame 221, the connection system 242 is provided with two groups, one group of connection system 242 is used for connection between the upper end of a second top roller 224 and the positive end of the control box 241, the other group of connection system 242 is used for connection between the lower end of the second top roller 224 and the negative end of the control box 241, the upper end and the lower end of the first top roller 223 are respectively provided with a retention groove 2231, the connection system 242 includes a first rod-shaped conductor 243 and a second ring-shaped conductor 245, one end of the first rod-shaped conductor 243 is connected with a first ring-shaped conductor 244, the first ring-shaped conductor 244 is fixed on the first positioning frame 221, the second ring-shaped conductor 245 is connected with a second rod-shaped conductor 2451, the second rod-shaped conductor 2451 is connected with a retention post 246 fixedly connected with the retention groove 2231, the other end of the second rod-shaped conductor 2451 is contacted with the side surface of the first ring-shaped conductor 244, and the second ring-shaped conductor 245 is provided with a connection groove 2452 contacted with the end of the second top roller 224; in practice, that is, the second annular conductor 245 rotates synchronously with the first top roller 223, and the second rod-shaped conductor 2451 rotates circumferentially around the first annular conductor 244 and contacts the first annular conductor 244, thereby achieving electrical communication.
In this embodiment, the roll bending member 33 includes a second positioning frame 331, one end of the second positioning frame 331 is fixedly connected with the output end of the second telescopic cylinder 32, the other end of the second positioning frame 331 is rotatably provided with a second rotating shaft 332, the second rotating shaft 332 is coaxially rotatably provided with a pressing roller 334, the upper end and the lower end of the second rotating shaft 332 are coaxially fixed with a pressing plate 335, the second positioning frame 331 is provided with a second rotator 333, the output end of the second rotator 333 is fixedly connected with the upper end of the second rotating shaft 332, the upper side and the lower side (micro-wrinkles) of the aluminum alloy bumper can be flattened through the clamping pressure of the pressing plate 335, and the aluminum alloy bumper on the upper side and the lower side can be further acted on while being processed through the top supporting roll member 23, so that the upper side and the lower side of the aluminum alloy bumper are assisted to be flattened.
In this embodiment, the side surface of the pressing plate 335 contacts the side surface of the second top roller 224, so that the upper and lower sides of the aluminum alloy bumper are flattened comprehensively.
In this embodiment, the surface of the platen 335 facing the pressing roller 334 is provided with a smooth concave surface 3351 and a smooth convex surface 3352, and the smooth concave surface 3351 and the smooth convex surface 3352 are alternately circumferentially arranged on the surface of the platen 335, and when the platen 335 covers the upper and lower sides of the aluminum alloy bumper, the smooth concave surface 3351 is required to cover at least exactly the upper and lower sides of the aluminum alloy bumper.
In specific implementation, the method comprises the following steps:
S1: pretreating an aluminum alloy bumper to be bent, namely selecting a group of aluminum alloy bumpers to be bent, obtaining the maximum protrusion height H of the wrinkles generated by bending the aluminum alloy bumpers, heating the wrinkles of the maximum protrusion height H generated by bending the aluminum alloy bumpers, and selecting a proper heating temperature T;
S2: then a group of new aluminum alloy bumpers are selected, and the aluminum alloy bumpers are retained through the positioning module 4;
s3: assembling a first bending module and a second bending module with the same number, and inputting a heating temperature T into a temperature control system;
s4: continuously adjusting the positive and negative exchange frequency and rotation rate of the first rotator to obtain the better exchange frequency f and rotation rate v;
S5: after S1-S4 are completed, crease-resistant bending forming can be performed on the aluminum alloy bumper in batches.
The above description is only of the preferred embodiments of the invention, but the protection scope of the invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the invention pertains should make equivalent substitutions or modifications according to the technical solution of the invention and its inventive concept within the scope of the invention.
Claims (2)
1. The utility model provides a crease-resistant bending die of high strength aluminum alloy bumper, includes die holder (1), positioning module (4), its characterized in that, be equipped with two parallel straight guide rail (11) on the both sides of die holder (1), install crooked module one (2) on the straight guide rail of one side, crooked module one (2) are including installing regulation and control seat one (21) on the straight guide rail of one side, install flexible jar one (22) on regulation and control seat one (21), the top support roller piece (23) is installed to flexible jar one (22) output, install crooked module two (3) on the straight guide rail of opposite side, crooked module two (3) are including installing regulation and control seat two (31) on the straight guide rail of opposite side, install flexible jar two (32) on the regulation and control seat two (31), the output of flexible jar two (32) is installed and is pressed crooked roller piece (33), positioning module (4) set up between two straight guide rail (11);
the positioning module (4) comprises a positioning seat (41), a positioning block (43) and a positioning roller (44), wherein the positioning seat (41) is fixed in the middle of the die holder (1), a plurality of parallel positioning slide ways (42) are arranged on the positioning seat (41), the lower end of the positioning block (43) can be assembled and fixed with the positioning slide ways (42), and the lower end of the positioning roller (44) can be assembled and fixed with the upper end of the positioning block (43);
The top supporting roller piece (23) comprises a first positioning frame (221), one end of the first positioning frame (221) is fixedly connected with the output end of the first telescopic cylinder (22), the other end of the first positioning frame (221) is rotatably provided with a first rotating shaft (222), a first top roller (223) is coaxially fixed on the first rotating shaft (222), one side of the side roller surface of the first top roller (223) is rotatably provided with a second top roller (224), the second top roller (224) is uniformly distributed along the side roller surface of the first top roller (223), the first positioning frame (221) is provided with a first rotator (25), and the output end of the first rotator (25) is fixedly connected with the upper end of the first rotating shaft (222);
the second top roller (224) is of a heating conductor material structure, and a temperature control system (24) for regulating and controlling the temperature of the second top roller (224) is arranged on the top supporting roller piece (23);
The temperature control system (24) comprises a control box (241) and a connecting system (242), the control box (241) is arranged on a first positioning frame (221), the connecting system (242) is provided with two groups, one group of connecting system (242) is used for connecting the upper end of a second rod-shaped conductor (224) with the positive end of the control box (241), the other group of connecting system (242) is used for connecting the lower end of the second rod-shaped conductor (224) with the negative end of the control box (241), the upper end and the lower end of the first rod-shaped conductor (223) are respectively provided with a retention groove (2231), the connecting system (242) comprises a first rod-shaped conductor (243) and a second annular conductor (245), one end of the first rod-shaped conductor (243) is connected with the first annular conductor (244), the first annular conductor (244) is fixed on the first positioning frame (221), the second annular conductor (2451) is connected with the second rod-shaped conductor (2451), the second rod-shaped conductor (2451) is connected with a retention post (246) fixedly connected with the retention groove (2231), and the other end of the second rod-shaped conductor (2451) is connected with the annular side surface of the first annular conductor (244) and is provided with the second annular conductor (2452) which contacts the second end of the first annular conductor (244);
The press bending roller piece (33) comprises a second positioning frame (331), one end of the second positioning frame (331) is fixedly connected with the output end of the second telescopic cylinder (32), the other end of the second positioning frame (331) is rotatably provided with a second rotating shaft (332), the second rotating shaft (332) is coaxially rotatably provided with a press roller (334), the upper end and the lower end of the second rotating shaft (332) are coaxially fixed with a press plate (335), the second positioning frame (331) is provided with a second rotating device (333), and the output end of the second rotating device (333) is fixedly connected with the upper end of the second rotating shaft (332);
The side surface of the pressure plate (335) is contacted with the side roller surface of the top roller II (224);
A smooth concave surface (3351) and a smooth convex surface (3352) are arranged on the surface of the pressure plate (335) close to one side of the pressure roller (334), and the smooth concave surface (3351) and the smooth convex surface (3352) are alternately distributed on the surface of the pressure plate (335) in a circumference mode.
2. The high-strength aluminum alloy bumper crease-resistant bending forming die as recited in claim 1, wherein the top roller two (224) is mounted on the top roller one (223) through a damping bearing (2241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410385360.1A CN117960862B (en) | 2024-04-01 | 2024-04-01 | Crease-resistant bending forming die for high-strength aluminum alloy bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410385360.1A CN117960862B (en) | 2024-04-01 | 2024-04-01 | Crease-resistant bending forming die for high-strength aluminum alloy bumper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117960862A CN117960862A (en) | 2024-05-03 |
| CN117960862B true CN117960862B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410385360.1A Active CN117960862B (en) | 2024-04-01 | 2024-04-01 | Crease-resistant bending forming die for high-strength aluminum alloy bumper |
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| Country | Link |
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| CN (1) | CN117960862B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005177852A (en) * | 2003-12-24 | 2005-07-07 | Chubu Engineering Kk | Apparatus and method for bending bumper beam for car |
| CN101972799A (en) * | 2010-11-08 | 2011-02-16 | 肇庆市骏驰科技有限公司 | Anti-crease bending processor for thin metal pipe |
| CN111229888A (en) * | 2020-01-22 | 2020-06-05 | 马营 | Crease-resistant bending device of thin metal pipe |
| KR102166958B1 (en) * | 2020-06-16 | 2020-10-16 | 주식회사 티에스티 | Light weight aluminum bumper beam forming apparatus applying cam structure and active control system |
| CN113165042A (en) * | 2018-11-16 | 2021-07-23 | Cml国际有限公司 | Machine for bending elongated workpieces without wrinkling |
| CN219155969U (en) * | 2022-12-29 | 2023-06-09 | 苏州市祥和印刷包装有限公司 | Crease-resistant device of printing machine |
-
2024
- 2024-04-01 CN CN202410385360.1A patent/CN117960862B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005177852A (en) * | 2003-12-24 | 2005-07-07 | Chubu Engineering Kk | Apparatus and method for bending bumper beam for car |
| CN101972799A (en) * | 2010-11-08 | 2011-02-16 | 肇庆市骏驰科技有限公司 | Anti-crease bending processor for thin metal pipe |
| CN113165042A (en) * | 2018-11-16 | 2021-07-23 | Cml国际有限公司 | Machine for bending elongated workpieces without wrinkling |
| CN111229888A (en) * | 2020-01-22 | 2020-06-05 | 马营 | Crease-resistant bending device of thin metal pipe |
| KR102166958B1 (en) * | 2020-06-16 | 2020-10-16 | 주식회사 티에스티 | Light weight aluminum bumper beam forming apparatus applying cam structure and active control system |
| CN219155969U (en) * | 2022-12-29 | 2023-06-09 | 苏州市祥和印刷包装有限公司 | Crease-resistant device of printing machine |
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| Publication number | Publication date |
|---|---|
| CN117960862A (en) | 2024-05-03 |
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