CN114570800B - Cold rolling forming machine and U-shaped suspension arm plate production and manufacturing method - Google Patents
Cold rolling forming machine and U-shaped suspension arm plate production and manufacturing method Download PDFInfo
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- CN114570800B CN114570800B CN202210364504.6A CN202210364504A CN114570800B CN 114570800 B CN114570800 B CN 114570800B CN 202210364504 A CN202210364504 A CN 202210364504A CN 114570800 B CN114570800 B CN 114570800B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005097 cold rolling Methods 0.000 title claims abstract description 13
- 239000000725 suspension Substances 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the field of forming equipment, in particular to a cold rolling forming machine and a U-shaped suspension arm plate production manufacturing method, which comprises a finishing workbench, wherein a lower die is arranged at the center of the upper end of the finishing workbench, a plate is arranged at the upper end of the lower die, an upper die is arranged at the upper end of one side of the lower die, the forming frame number is actually increased from rolling forming, the elastic recovery time is shortened, the rolling time is prolonged, the effects of inhibiting stress release, improving the plastic deformation amount and keeping the rolling stability are achieved, a certain range of material property change can be adapted through angle adjustment, the internal stress generated by strong rolling is eliminated after normalizing treatment, the thermal deformation caused by heat treatment is further corrected in a finishing section, the internal stress of a material of a forming section is effectively controlled, the end rebound caused by placing after cutting is reduced, and the novel process can meet the production of the U-shaped suspension arm.
Description
Technical Field
The invention relates to the field of forming equipment, in particular to a cold rolling forming machine and a U-shaped suspension arm plate production and manufacturing method.
Background
The cold rolling forming machine is a device for cold rolling steel into a certain shape, the U-shaped suspension arm is produced, the frame interval is large, the rebound time of transverse bending is long, the elastic relaxation in the longitudinal direction can cause the problems of small forming work absorption and insufficient plastic deformation, the adjustment can not be carried out to a certain extent according to the material property change and the plate thickness change of the plate, and after continuous rolling is finished, the residual tensile stress at different points on the same longitudinal cross section is different, the longitudinal tensile stress and the transverse stress are mutually restricted to form a balanced state, after the section steel is cut off, the stress balanced state breaks, new rebound is caused, the shape of the U-shaped suspension arm plate is changed, and therefore the defect exists in use.
Disclosure of Invention
The invention aims to provide a cold rolling forming machine and a U-shaped suspension arm plate production and manufacturing method for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a cold-roll forming machine, the cold-roll forming machine comprising:
The upper end center of the finishing workbench is provided with a lower die;
the plate is arranged at the upper end of the lower die, and an upper die is arranged at the upper end of one side of the plate, which is positioned on the lower die;
The support component is arranged at the upper end of the finishing workbench and is close to two sides of the lower die, and comprises a support seat and a movable plate;
the adjusting component is arranged at one side of the movable plate in a plugging manner and comprises an adjusting screw;
the driven roller is arranged on one side of the movable plate through the roller seat and the guide assembly, and one side of the driven roller penetrates through the movable plate and is connected with the adjusting screw.
Preferably, the arc-shaped groove has been seted up to the lower mould upper end, and the panel is U-shaped structure, and the arc-shaped inslot is arranged in pegging graft of panel lower extreme, goes up the setting in the U-shaped structure of mould grafting panel, goes up mould lower extreme symmetry and is equipped with a plurality of compression rollers, and a plurality of compression roller one side contacts with panel upper end one side respectively.
Preferably, the support seat upper end symmetry is equipped with two backup pads and locating bench, and fly leaf one side symmetry is equipped with two connecting plates, and two connecting plate lower extreme and locating bench upper end all run through and have seted up first shaft hole, and the horizontal grafting is equipped with first pivot in the first shaft hole of two connecting plates and locating bench.
Preferably, the second shaft holes are symmetrically formed in one sides of the two support plates and the two connecting plates, the second shafts are respectively inserted in the second shaft holes of the two support plates and the two connecting plates, and the telescopic push rods are obliquely arranged between the two second shafts.
Preferably, the movable plate is provided with a bearing plate and a bearing table respectively and vertically at one side close to the connecting plate, and the adjusting screw rod penetrates through the bearing plate through the bearing table for inserting and connecting.
Preferably, the movable plate is provided with a movable groove on one side, the guide assembly comprises two guide rods, two guide grooves are symmetrically arranged on one side of the roller seat in a penetrating mode, the two guide rods are arranged in the two guide grooves in a penetrating and inserting mode, the driven roller is arranged on one side of the roller seat through the roller shaft, and one side of the driven roller is contacted with one side of the plate.
Preferably, the movable plate is close to one side of the roller seat and is provided with a strip-shaped groove, one side of the roller seat is vertically provided with an adjusting plate, and one side of the adjusting plate penetrates through the strip-shaped groove and is sleeved with an adjusting screw rod through internal threads.
The U-shaped suspension arm plate production and manufacturing method is formed by using a cold rolling forming machine, and comprises the following steps of:
Step one: 13 forming tables and 5 finishing tables are selected, a continuous forming row roller set is arranged between the forming tables, and an intermediate frequency heating device is erected between the forming tables and the finishing tables;
Step two: uncoiling and feeding leveling are carried out on the plate, power distribution and successive main forming are carried out on the U-shaped plate through 13 forming work tables, a continuous forming row roller set between the frames is a passive roller, and the forming radius of each secondary main forming arc section is finely adjusted by adjusting the angle and the position of the row roller, so that the arc subsection of the forming cross section is continuous, the change of the material performance and the plate thickness change can be adapted and adjusted, the excessive bending quantity is increased, and the residual forming internal stress is reduced;
Step three: in the forming process, the arc section of which the middle part is not formed adopts a W-shaped reverse bending process, and the rigidity of the center line positioning of the strip steel is improved in the rolling process, so that the rolling process is more stable, and the side bending is reduced;
Step four: after molding, the steel is fed into an intermediate frequency heating device, the intermediate frequency heating device is divided into three sections for heating, the first section is preheated, and the steel is heated to 500-600 ℃; the second section is heated to 800-850 ℃; the third section is heated to 890-920 ℃, and a control roller is arranged between each section to prevent high-temperature deformation;
Step five: cooling and radiating, firstly, cooling to about 200 ℃, then cooling to room temperature by a water spraying method, wherein the length of an air cooling zone is 40m, and the length of a water cooling zone is 6m;
step six: after normalizing treatment, the movable plate is pushed to rotate along the first rotating shaft by the telescopic push rod, the movable plate is matched with the rotation adjustment of the adjusting screw rod to support two sides of the plate, and then under the action of a plurality of press rollers, the expansion sequence finishing is carried out from the middle part to the side part gradually.
Compared with the prior art, the invention has the beneficial effects that:
the method has the advantages that the forming frame time is actually increased from the roll forming, the elastic recovery time is shortened, the rolling time is prolonged, the method has good effects of inhibiting stress release, improving plastic deformation and keeping rolling stability, a certain range of material property change can be adapted through angle adjustment, the internal stress generated by powerful rolling is eliminated after normalizing treatment, the thermal deformation caused by heat treatment is treated in a finishing section, the internal stress of the material of the forming section is effectively controlled, the end rebound formed by placing after cutting is reduced, and the novel process can meet the production of the U-shaped suspension arm.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the adjusting state structure of the movable plate of the present invention;
FIG. 3 is a schematic view of a support base according to the present invention;
FIG. 4 is a schematic view of a connecting structure of a telescopic push rod according to the present invention;
Fig. 5 is a schematic view of the installation structure of the guide rod of the present invention.
In the figure: finishing workbench 1, lower die 2, panel 3, upper die 4, supporting seat 5, fly leaf 6, adjusting screw 7, driven roller 8, compression roller 9, backup pad 10, locating bench 11, connecting plate 12, first pivot 13, second pivot 14, flexible push rod 15, bearing plate 16, movable groove 17, guide bar 18, bar groove 19, regulating plate 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. Embodiments of the present invention are intended to be within the scope of the present invention as defined by the appended claims.
Referring to fig. 1-5, the present invention provides a cold rolling forming machine: the cold rolling forming machine comprises:
Finishing table 1, finishing table 1 upper end center is equipped with lower mould 2, panel 3 locates lower mould 2 upper end, panel 3 is located lower mould 2 one side upper end and is equipped with mould 4, supporting component locates finishing table 1 upper end and is close to lower mould 2 both sides, and supporting component includes supporting seat 5 and fly leaf 6, the arc wall has been seted up to lower mould 2 upper end, panel 3 is U-shaped structure, panel 3 lower extreme grafting is arranged in the arc wall, upper mould 4 grafting panel 3's U-shaped structure is interior to be set up, upper mould 4 lower extreme symmetry is equipped with a plurality of compression rollers 9, and a plurality of compression rollers 9 one side is contacted with panel 3 upper end one side respectively, supporting seat 5 upper end symmetry is equipped with two backup pad 10 and locating table 11, fly leaf 6 one side symmetry is equipped with two connecting plates 12, two connecting plate 12 lower extreme and locating table 11 upper end all run through and have seted up first shaft hole, and two connecting plate 12 and locating table 11's first shaft intracavity horizontal grafting is equipped with first pivot 13, two backup pad 10 and two connecting plate 12 one side symmetry are arranged in the arc wall, two connecting plate 12 one side is equipped with second shaft hole, two backup pad 10 and two connecting plate 12 side are equipped with two pivot 14 respectively in the second pivot 14, two connecting plate 12 and two pivot 14 are equipped with two pivot 15 respectively in the second pivot 15 slope are equipped with respectively between the pivot
The adjusting component, adjusting component pegs graft fly leaf 6 one side setting, and adjusting component includes adjusting screw 7, driven roller 8 locates fly leaf 6 one side through roller stand and guiding component, and driven roller 8 one side runs through fly leaf 6 and adjusting screw 7 and is connected, fly leaf 6 is close to connecting plate 12 one side and is equipped with bearing plate 16 and bearing platform perpendicularly respectively, adjusting screw 7 passes through bearing and runs through bearing plate 16 grafting bearing platform setting, fly leaf 6 one side has seted up movable groove 17, guiding component includes two guide bars 18, roller stand one side runs through the symmetry and is equipped with two guide grooves, two guide bars 18 run through and peg graft two guide grooves setting, driven roller 8 locates roller stand one side through the roller, and driven roller 8 one side contacts with panel 3 one side, strip groove 19 has been seted up near roller stand one side to fly leaf 6, roller stand one side is equipped with adjusting plate 20 perpendicularly, and adjusting plate 20 one side runs through the strip groove and cup joints adjusting screw 7 setting through the internal thread.
The U-shaped suspension arm plate production and manufacturing method is formed by using a cold rolling forming machine, and comprises the following steps of:
Step one: 13 forming tables and 5 finishing tables 1 are selected, continuous forming row roller sets are arranged between the forming tables, and an intermediate frequency heating device is erected between the forming tables and the finishing tables 1;
Step two: uncoiling and feeding leveling are carried out on the plate 3, power distribution and successive main forming are carried out on the U-shaped plate through 13 forming work tables, a continuous forming row roller set between racks is a passive roller, the forming radius of each secondary main forming arc section is finely adjusted through adjusting the angle and the position of the row roller, the arc subsection of the forming cross section is continuous, and the material performance change and the plate thickness change are adapted and adjusted, so that the excessive bending quantity is increased to reduce the residual forming internal stress;
Step three: in the forming process, the arc section of which the middle part is not formed adopts a W-shaped reverse bending process, and the rigidity of the center line positioning of the strip steel is improved in the rolling process, so that the rolling process is more stable, and the side bending is reduced;
Step four: after molding, the steel is fed into an intermediate frequency heating device, the intermediate frequency heating device is divided into three sections for heating, the first section is preheated, and the steel is heated to 500-600 ℃; the second section is heated to 800-850 ℃; the third section is heated to 890-920 ℃, and a control roller is arranged between each section to prevent high-temperature deformation;
Step five: cooling and radiating, firstly, cooling to about 200 ℃, then cooling to room temperature by a water spraying method, wherein the length of an air cooling zone is 40m, and the length of a water cooling zone is 6m;
Step six: after normalizing treatment, the movable plate 6 is pushed to rotate along the first rotating shaft 13 by the telescopic push rod 15, the two sides of the plate are supported by the rotary adjustment of the adjusting screw 7, and then under the action of the press rollers 9, the expansion sequence finishing is carried out from the middle part to the side part gradually.
Working principle: selecting 13 forming tables and 5 finishing tables (1), setting continuous forming row roller groups between the forming tables, erecting an intermediate frequency heating device between the forming tables and the finishing tables (1), uncoiling, feeding and leveling a sheet 3, performing power distribution and successive main forming on the U-shaped sheet through the 13 forming tables, finely adjusting the forming radius of each main forming arc section by adjusting the angle and the position of the row rollers, enabling the arc sections of the forming cross section to be continuous, adaptively adjusting the change of material performance and plate thickness change, increasing the overbending amount, reducing residual forming internal stress, adopting a W-shaped reverse bending process on the middle non-forming arc section in the forming process, improving the rigidity of center line positioning of strip steel in the rolling process, enabling the rolling process to be more stable, reducing side bending, entering the intermediate frequency heating device after forming, dividing the intermediate frequency heating device into three sections for heating, preheating the first section, and heating the section to 500-600 ℃ after forming; the second section is heated to 800-850 ℃; the third section is heated to 890-920 ℃, control rollers are arranged between each section to prevent high-temperature deformation, cooling and heat dissipation are carried out, air cooling is carried out to about 200 ℃ firstly, then water spraying is used for cooling to the room temperature, the length of an air cooling area is set to 40m, the length of a water cooling area is set to 6m, after normalizing treatment, a movable plate 6 is pushed to rotate along a first rotating shaft 13 through a telescopic push rod 15, the rotation adjustment of an adjusting screw rod 7 is matched, the two sides of a plate are supported, and then under the action of a plurality of press rollers 9, the expansion sequence finishing is carried out from the middle part to the edge part successively.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A method for producing and manufacturing a U-shaped suspension arm plate, characterized in that the method uses a cold rolling forming machine, the cold rolling forming machine comprises:
The finishing workbench (1), wherein a lower die (2) is arranged at the center of the upper end of the finishing workbench (1);
The plate (3) is arranged at the upper end of the lower die (2), and an upper die (4) is arranged at the upper end of one side of the lower die (2) where the plate (3) is positioned;
The support component is arranged at the upper end of the finishing workbench (1) and is close to two sides of the lower die (2), and comprises a support seat (5) and a movable plate (6);
The adjusting component is arranged at one side of the inserting movable plate (6) and comprises an adjusting screw (7);
The driven roller (8) is arranged on one side of the movable plate (6) through a roller seat and a guide assembly, and one side of the driven roller (8) penetrates through the movable plate (6) and is connected with the adjusting screw (7);
Two support plates (10) and a positioning table (11) are symmetrically arranged at the upper end of the support seat (5), two connecting plates (12) are symmetrically arranged at one side of the movable plate (6), a first shaft hole is formed in the lower ends of the two connecting plates (12) and the upper end of the positioning table (11) in a penetrating mode, and a first rotating shaft (13) is horizontally inserted in the first shaft holes of the two connecting plates (12) and the positioning table (11);
a bearing plate (16) and a bearing table are vertically arranged on one side, close to the connecting plate (12), of the movable plate (6), and the adjusting screw (7) penetrates through the bearing plate (16) through the bearing and is inserted into the bearing table;
the movable plate (6) is provided with a movable groove (17) at one side, the guide assembly comprises two guide rods (18), two guide grooves are symmetrically arranged at one side of the roller seat in a penetrating way, the two guide rods (18) are arranged at the two guide grooves in a penetrating way, the driven roller (8) is arranged at one side of the roller seat through a roller shaft, and one side of the driven roller (8) is contacted with one side of the plate (3);
A strip-shaped groove (19) is formed in one side, close to the roller seat, of the movable plate (6), an adjusting plate (20) is vertically arranged on one side of the roller seat, and one side of the adjusting plate (20) penetrates through the strip-shaped groove and is sleeved with an adjusting screw (7) through internal threads;
The upper end of the lower die (2) is provided with an arc-shaped groove, the plate (3) is of a U-shaped structure, the lower end of the plate (3) is inserted into the arc-shaped groove, the upper die (4) is inserted into the U-shaped structure of the plate (3), the lower end of the upper die (4) is symmetrically provided with a plurality of press rolls (9), and one sides of the press rolls (9) are respectively contacted with one side of the upper end of the plate (3);
Second shaft holes are symmetrically formed in one side of each of the two supporting plates (10) and one side of each of the two connecting plates (12), second rotating shafts (14) are respectively inserted into the second shaft holes of the two supporting plates (10) and the second shaft holes of the two connecting plates (12), and telescopic push rods (15) are obliquely arranged between the two second rotating shafts (14);
the production and manufacturing method comprises the following steps:
Step one: 13 forming tables and 5 finishing tables (1) are selected, continuous forming row roller sets are arranged between the forming tables, and an intermediate frequency heating device is erected between the forming tables and the finishing tables (1);
Step two: uncoiling and feeding leveling are carried out on the plate (3), power distribution and successive main forming are carried out on the U-shaped plate through 13 forming work tables, a continuous forming row roller set between racks is a driven roller, the forming radius of each secondary main forming arc section is finely adjusted by adjusting the angle and the position of the row roller, the arc subsection of the forming cross section is continuous, and the material property change and the plate thickness change can be adaptively adjusted, so that the excessive bending amount is increased to reduce the residual forming internal stress;
Step three: in the forming process, the arc section of which the middle part is not formed adopts a W-shaped reverse bending process, and the rigidity of the center line positioning of the strip steel is improved in the rolling process, so that the rolling process is more stable, and the side bending is reduced;
Step four: after molding, the steel is fed into an intermediate frequency heating device, the intermediate frequency heating device is divided into three sections for heating, the first section is preheated, and the steel is heated to 500-600 ℃; the second section is heated to 800-850 ℃; the third section is heated to 890-920 ℃, and a control roller is arranged between each section to prevent high-temperature deformation;
Step five: cooling and radiating, firstly, cooling to about 200 ℃, then cooling to room temperature by a water spraying method, wherein the length of an air cooling zone is 40m, and the length of a water cooling zone is 6m;
Step six: after normalizing treatment, the movable plate (6) is pushed to rotate along the first rotating shaft (13) through the telescopic push rod (15), the two sides of the plate are supported by matching with the rotation adjustment of the adjusting screw (7), and then under the action of the plurality of press rolls (9), the expansion sequence finishing is carried out from the middle part to the side part successively.
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CN202210364504.6A CN114570800B (en) | 2022-04-07 | 2022-04-07 | Cold rolling forming machine and U-shaped suspension arm plate production and manufacturing method |
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CN202210364504.6A CN114570800B (en) | 2022-04-07 | 2022-04-07 | Cold rolling forming machine and U-shaped suspension arm plate production and manufacturing method |
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CN114570800B true CN114570800B (en) | 2024-05-17 |
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CN117696690B (en) * | 2024-02-04 | 2024-04-05 | 长春工业大学 | Sheet roll forming equipment |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS60227927A (en) * | 1984-04-26 | 1985-11-13 | Mitsubishi Electric Corp | Bend working equipment |
CN87108383A (en) * | 1986-12-26 | 1988-07-13 | 株式会社中田制作所 | Material is imported the method for finishing finishing roll and used guide support |
JPH01205821A (en) * | 1988-02-12 | 1989-08-18 | Nippon Steel Metal Prod Co Ltd | Cold roll forming equipment |
JPH02192822A (en) * | 1989-01-20 | 1990-07-30 | Nippon Steel Metal Prod Co Ltd | Method and apparatus for cold roll forming |
CN106180460A (en) * | 2016-07-05 | 2016-12-07 | 济钢集团有限公司 | The controlled rolling and controlled cooling of the U-shaped steel of a kind of variable cross-section and clod wash comprehensive shaping method |
CN110153184A (en) * | 2019-05-25 | 2019-08-23 | 郭亚亚 | A kind of rolling equipment and forming method of continuous variable cross section sheet metal |
CN213316971U (en) * | 2020-09-23 | 2021-06-01 | 湘潭地通汽车制品有限公司 | Rolling device convenient to adjust |
CN215430956U (en) * | 2021-08-28 | 2022-01-07 | 中山东运制版有限公司 | Finishing mill roller processing equipment |
-
2022
- 2022-04-07 CN CN202210364504.6A patent/CN114570800B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60227927A (en) * | 1984-04-26 | 1985-11-13 | Mitsubishi Electric Corp | Bend working equipment |
CN87108383A (en) * | 1986-12-26 | 1988-07-13 | 株式会社中田制作所 | Material is imported the method for finishing finishing roll and used guide support |
JPH01205821A (en) * | 1988-02-12 | 1989-08-18 | Nippon Steel Metal Prod Co Ltd | Cold roll forming equipment |
JPH02192822A (en) * | 1989-01-20 | 1990-07-30 | Nippon Steel Metal Prod Co Ltd | Method and apparatus for cold roll forming |
CN106180460A (en) * | 2016-07-05 | 2016-12-07 | 济钢集团有限公司 | The controlled rolling and controlled cooling of the U-shaped steel of a kind of variable cross-section and clod wash comprehensive shaping method |
CN110153184A (en) * | 2019-05-25 | 2019-08-23 | 郭亚亚 | A kind of rolling equipment and forming method of continuous variable cross section sheet metal |
CN213316971U (en) * | 2020-09-23 | 2021-06-01 | 湘潭地通汽车制品有限公司 | Rolling device convenient to adjust |
CN215430956U (en) * | 2021-08-28 | 2022-01-07 | 中山东运制版有限公司 | Finishing mill roller processing equipment |
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