CN107716628B - Rebound control device for high-strength steel cold-formed product piece - Google Patents
Rebound control device for high-strength steel cold-formed product piece Download PDFInfo
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- CN107716628B CN107716628B CN201711029618.0A CN201711029618A CN107716628B CN 107716628 B CN107716628 B CN 107716628B CN 201711029618 A CN201711029618 A CN 201711029618A CN 107716628 B CN107716628 B CN 107716628B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The rebound control device for the high-strength steel cold-formed product piece comprises two roller brackets which are correspondingly arranged, wherein the two roller brackets jointly support an upper shaft, a lower shaft and a supporting vertical plate, the lower shaft is provided with a forming roller, the upper shaft is provided with an inclined roller mounting block, the lower part of the inclined roller mounting block is provided with an inclined roller, and the inclined roller corresponds to the forming roller in an up-down mode; the two ends of the supporting vertical plate are respectively fixed with each roller support, the supporting vertical plate is provided with a vertical shaft roller mounting plate, the vertical shaft roller mounting plate is provided with a vertical shaft roller, and the height position of the vertical shaft roller is matched with the inclined roller. By adopting the invention, the rebound of the cold bending deformed product piece can be controlled on line, so that the processed high-strength steel product piece can achieve the forming effect meeting the quality requirement. In addition, the invention has the characteristics of simple structure, convenient adjustment and high adjustment precision.
Description
Technical Field
The invention relates to a forming and processing device, in particular to a rebound control device for a high-strength steel cold-bending formed product piece on a rolling production line.
Background
The cold bending forming process is one kind of material-saving, energy-saving and high-efficiency metal forming process, and the main forming mode is to bend and deform coiled material, belt material and other metal sheet belt continuously via successively arranged forming rollers to form section with specific section. The products produced by cold roll forming are various, and the opening bumper, the threshold piece, the threshold-like product piece and the like for the automobile are mostly cold roll forming pieces. With the rapid development of automobile technology and the powerful pushing of energy conservation and emission reduction policies, automobile body structural members are greatly changed, and high-strength steel plates are beginning to be applied in the automobile field. The use of high strength steels in the automotive field presents a great challenge to cold roll forming technology, which is mainly manifested in the control of rebound of high strength steels. The high-strength steel has high strength, small ductility and large rebound, and if the rebound cannot be effectively controlled in the cold bending forming process of the high-strength steel, the final forming state of the product is directly affected. At present, there is no mature device for controlling rebound in cold bending forming processing of high-strength steel, and some simple devices which rely on adding rollers have the following problems: 1. the lack of a positioning reference makes it difficult to mount the roller at a proper position, thereby affecting the molding effect; 2. the structural design defect is that the device has deformation in the forming process, and the forming force can not be completely acted on the key control rebound position, so that the forming state of a product piece is influenced; 3. the adjustment process is tedious, and the debugging time and the debugging waste are increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a rebound control device for a high-strength steel cold-formed product piece, which is convenient to adjust, can accurately determine the control position of a roller and has good rebound control effect.
The problems of the invention are solved by the following technical proposal:
The rebound control device for the high-strength steel cold-formed product piece comprises two roller brackets which are correspondingly arranged, wherein the two roller brackets jointly support an upper shaft, a lower shaft and a supporting vertical plate, the lower shaft is provided with a forming roller, the upper shaft is provided with an inclined roller mounting block, the lower part of the inclined roller mounting block is provided with an inclined roller, and the inclined roller corresponds to the forming roller in an up-down mode; the two ends of the supporting vertical plate are respectively fixed with each roller support, the supporting vertical plate is provided with a vertical shaft roller mounting plate, the vertical shaft roller mounting plate is provided with a vertical shaft roller, and the height position of the vertical shaft roller is matched with the inclined roller.
According to the rebound control device for the high-strength steel cold-formed product piece, the locking nut, the first check ring, the bearing inner sleeve, the second check ring, the first limiting shaft sleeve, the inclined roller wheel mounting block, the second limiting shaft sleeve, the upper shaft rotation stopping block and the adjusting nut are sequentially sleeved on the upper shaft, the locking nut and the adjusting nut are respectively in threaded fit with the upper shaft, the upper shaft rotation stopping block is L-shaped, the upper shaft is fixedly connected with the upper portion of the upper shaft rotation stopping block, and the lower extending part of the upper shaft rotation stopping block is inserted into a gap of a roller wheel support close to the upper shaft rotation stopping block.
According to the rebound control device for the high-strength steel cold-formed product piece, the two supporting vertical plates are respectively arranged on the front side and the rear side of the roller support, the horizontal adjusting blocks are fixed on the supporting vertical plates, the two ends of the vertical shaft roller mounting plate are respectively in sliding fit with the two supporting vertical plates, the two ends of the horizontal adjusting screw are respectively in threaded connection with the horizontal adjusting blocks and the vertical shaft roller mounting plate, and the horizontal adjusting screw is provided with the locking nut.
According to the rebound control device for the high-strength steel cold-formed product piece, the vertical shaft rollers are respectively arranged on two sides of the inclined roller, the forming roller, the inclined roller and the vertical shaft roller corresponding to the large end face of the inclined roller are matched to realize rebound control on the cold-formed product piece, and the other vertical shaft roller is the guide supporting roller.
According to the rebound control device for the high-strength steel cold-formed product piece, the front side and the rear side of the lower portion of each roller support are respectively fixed with the height adjusting blocks, the two ends of the height adjusting screw are respectively in threaded connection with the height adjusting blocks and the supporting vertical plate, the slotted holes are formed in the supporting vertical plate, and the locking bolts penetrate through the slotted holes to fix the supporting vertical plate and the roller support.
According to the rebound control device for the high-strength steel cold-formed product piece, the forming roller is provided with the groove matched with the appearance of the processed product piece, and the large end of the inclined roller is provided with the round angle matched with the forming angle of the product piece.
The rebound control device is arranged in a cold bending forming production line and is positioned at a position where the processed product piece is easy to rebound. The rebound control device utilizes the existing roller support, and is provided with a supporting vertical plate for installing the vertical shaft roller and an inclined roller installation block for installing the inclined roller, and the axial position and the height position of the vertical shaft roller and the inclined roller can be accurately adjusted through structural design, so that the rebound position of a product piece is accurately positioned according to the characteristics of the product piece, and the rebound angle of the product piece is effectively controlled. By adopting the invention, the rebound of the cold bending deformed product piece can be controlled on line, so that the processed high-strength steel product piece can achieve the forming effect meeting the quality requirement. In addition, the invention has the characteristics of simple structure, convenient adjustment and high adjustment precision.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the upper shaft and upper shaft mounting parts;
Fig. 3 is a view in the a direction of fig. 1.
The reference numerals in the figures are: 1. the device comprises a roller support, 2, a height adjusting block, 3, a height adjusting screw, 4, a supporting vertical plate, 5, a horizontal adjusting block, 6, a horizontal adjusting screw, 7, a vertical shaft roller mounting plate, 8, a vertical shaft roller, 9, a product piece, 10, a first limiting shaft sleeve, 11, an inclined roller mounting block, 12, an inclined roller, 13, a second limiting shaft sleeve, 14, an upper shaft rotation stopping block, 15, an upper shaft, 16, a lower shaft, 17, a forming roller, 18, a locking nut, 19, a first check ring, 20, a bearing inner sleeve, 21, a second check ring, 22, an adjusting nut, 23, a lifting screw, 24 and a product piece.
Detailed Description
Referring to fig. 1 and 3, the invention uses roller brackets used in a rolling production line as supporting pieces of devices, and the two roller brackets 1 are correspondingly arranged on a bottom plate, and jointly support an upper shaft 15, a lower shaft 16 and a supporting vertical plate 4. The lower shaft is provided with a forming roller 17 which is provided with grooves matched with the shape of the processed product piece 24. The middle part of the upper shaft is provided with an inclined roller mounting block 11, the lower part of the inclined roller mounting block is provided with an inclined roller shaft, and an inclined roller 12 is assembled on the inclined roller shaft. The installation position of the inclined roller wheel corresponds to the position of the forming roller wheel up and down. The support vertical plates 4 are used for installing the vertical shaft roller mounting plates 7, two support vertical plates are arranged, the two support vertical plates are respectively located on the front side and the rear side of the roller support, and two ends of the vertical shaft roller mounting plates are respectively supported by the support vertical plates. The vertical shaft roller 8 is assembled on the vertical shaft roller mounting plate, and the height position of the vertical shaft roller is matched with the inclined roller. The front side and the rear side of the lower part of each roller support are respectively fixed with a height adjusting block 2, and two ends of a height adjusting screw 3 are respectively in threaded connection with the height adjusting block and a supporting vertical plate, and slotted holes are formed in the supporting vertical plate. The height of the supporting vertical plate can be adjusted by rotating the height adjusting screw rod, and the supporting vertical plate is fixed with the roller bracket by the locking bolt penetrating through the slotted hole after the supporting vertical plate is adjusted in place. The two ends of the vertical shaft roller mounting plate 6 are respectively in sliding fit with the two vertical shaft roller mounting plates, slotted holes are formed in the vertical shaft roller mounting plates, two ends of the horizontal adjusting screw 6 are respectively in threaded connection with the horizontal adjusting block and the vertical shaft roller mounting plates, and locking nuts are arranged on the horizontal adjusting screw. After the horizontal adjusting block is fixed on the supporting vertical plate, the horizontal adjusting screw rod is rotated to adjust the horizontal positions of the vertical shaft roller mounting plate and the vertical shaft roller, the locking nut is screwed after the vertical shaft roller mounting plate is adjusted in place, the vertical shaft roller mounting plate is fixed with the supporting vertical plate, and the horizontal position of the vertical shaft roller is reliably fixed.
Referring to fig. 1 and 2, an upper shaft 15 is sequentially sleeved with a lock nut 18, a first retainer ring 19, a bearing inner sleeve 20, a second retainer ring 21, a first limiting shaft sleeve 10, an inclined roller wheel mounting block 11, a second limiting shaft sleeve 13, an upper shaft rotation stopping block 14 and an adjusting nut 22, and the lock nut and the adjusting nut are respectively in threaded fit with the upper shaft. The upper shaft rotation stopping block is L-shaped, the upper part of the upper shaft rotation stopping block is fixedly connected with an upper shaft, the upper shaft rotation stopping block is circumferentially fixed with the upper shaft through a single key, and an extension part at the lower part of the upper shaft rotation stopping block is inserted into a gap of a roller bracket close to the upper shaft rotation stopping block to prevent the upper shaft from rotating. The first limiting shaft sleeve 10 and the second limiting shaft sleeve 13 are used for determining the positions of the inclined roller mounting block and the upper shaft rotation stopping block on the upper shaft and preventing the inclined roller mounting block and the upper shaft rotation stopping block from axially moving. The inclined roller 12 is used for controlling rebound of the product piece fillet, the large end of the inclined roller is provided with a fillet matched with the product piece forming angle, and the rebound control angle can be changed by changing the outline dimension and the installation angle of the inclined roller so as to meet the requirements of different products and different materials. The adjusting nut 22 is screwed, so that the horizontal position of the inclined roller wheel mounting block and the upper shaft rotation stopping block can be moved leftwards; the locking nut 18 is screwed tightly, so that the first check ring, the bearing inner sleeve and the second check ring can be pushed to move rightwards along the axial direction, and the inclined roller installation block and the upper shaft rotation stopping block are pushed to move rightwards, so that the aim of accurately adjusting the inclined roller along the axial direction is fulfilled. The lifting screw rod 23 of the adjusting roller support can change the acting force of the inclined roller pair forming fillet, thereby achieving the purpose of effective rebound control.
Referring to fig. 1, vertical shaft rollers 8 are respectively arranged on two sides of an inclined roller 12, in the state of illustration, the rebound control of the right corner of a cold-formed product piece is realized by matching a forming roller, the inclined roller and a vertical shaft roller which corresponds to the large end surface of the inclined roller and is positioned on the right side, and the vertical shaft roller on the left side plays a role of a material guiding supporting wheel. When the rebound control processing of the left corner of the product piece is needed, the installation position of the inclined roller is only required to be adjusted by 180 degrees, so that the left vertical shaft roller is used for realizing the rebound control of the left corner of the cold-formed product piece, and the right vertical shaft roller plays a role of a material guiding supporting wheel.
When the device is used, the device is arranged at the position where the product piece is easy to rebound in the cold bending forming production line, and the device is used for adding a rebound control processing to the product piece in the cold bending forming process of the product piece, so that the rebound of the cold bending forming of high-strength steel can be controlled on line, and the forming effect meeting the quality requirement is achieved.
Claims (4)
1. A resilience controlling means for high strength steel cold roll forming spare, its characterized in that: the rebound control device is arranged at a position where the processed product piece is easy to rebound, and is provided with a supporting vertical plate for installing the vertical shaft roller and an inclined roller installing block for installing the inclined roller, so that the axial position and the height position of the vertical shaft roller and the inclined roller can be accurately adjusted through structural design, the rebound position of the product piece is accurately positioned, and the rebound angle of the product piece is effectively controlled; the rebound control device comprises two roller brackets (1) which are correspondingly arranged, wherein the two roller brackets jointly support an upper shaft (15), a lower shaft (16) and a supporting vertical plate (4), the lower shaft is provided with a forming roller (17), the upper shaft is provided with an inclined roller mounting block (11), an inclined roller (12) is assembled at the lower part of the inclined roller mounting block, and the inclined roller corresponds to the forming roller in an up-down mode; the two ends of the supporting vertical plate (4) are respectively fixed with each roller bracket, the supporting vertical plate is provided with a vertical shaft roller mounting plate (7), the vertical shaft roller mounting plate is provided with a vertical shaft roller (8), and the height position of the vertical shaft roller is matched with that of the inclined roller;
The two sides of the inclined roller are respectively provided with a vertical shaft roller, the forming roller, the inclined roller and the vertical shaft roller corresponding to the large end face of the inclined roller are matched to realize rebound control on the cold-bent product piece, and the other vertical shaft roller is a guide supporting roller;
The upper shaft is sequentially sleeved with a locking nut (18), a first check ring (19), a bearing inner sleeve (20), a second check ring (21), a first limiting shaft sleeve (10), an inclined roller installation block (11), a second limiting shaft sleeve (13), an upper shaft rotation stopping block (14) and an adjusting nut (22), wherein the locking nut and the adjusting nut (22) are respectively in threaded fit with the upper shaft, the upper shaft rotation stopping block (14) is L-shaped, the upper part of the upper shaft rotation stopping block is fixedly connected with the upper shaft, and the lower extending part of the upper shaft rotation stopping block is inserted into a gap of a roller bracket (1) close to the upper shaft rotation stopping block.
2. The springback control apparatus for a high-strength steel cold-formed article according to claim 1, wherein: the two support vertical plates are respectively positioned at the front side and the rear side of the roller support, the horizontal adjusting blocks (5) are fixed on each support vertical plate, two ends of the vertical shaft roller mounting plate are respectively in sliding fit with the two support vertical plates, two ends of the horizontal adjusting screw (6) are respectively in threaded connection with the horizontal adjusting blocks and the vertical shaft roller mounting plate, and locking nuts are arranged on the horizontal adjusting screw.
3. The springback control apparatus for a high-strength steel cold-formed article according to claim 1, wherein: the front side and the rear side of the lower part of each roller support are respectively fixed with a height adjusting block (2), two ends of a height adjusting screw (3) are respectively in threaded connection with the height adjusting block and a supporting vertical plate, a slotted hole is formed in the supporting vertical plate, and a locking bolt penetrates through the slotted hole to fix the supporting vertical plate with the roller support.
4. The springback control apparatus for a high-strength steel cold-formed article according to claim 1, wherein: the forming roller is provided with a groove matched with the appearance of the processed product piece, and the large end of the inclined roller is provided with a round angle matched with the forming angle of the product piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029618.0A CN107716628B (en) | 2017-10-27 | 2017-10-27 | Rebound control device for high-strength steel cold-formed product piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029618.0A CN107716628B (en) | 2017-10-27 | 2017-10-27 | Rebound control device for high-strength steel cold-formed product piece |
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| Publication Number | Publication Date |
|---|---|
| CN107716628A CN107716628A (en) | 2018-02-23 |
| CN107716628B true CN107716628B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711029618.0A Active CN107716628B (en) | 2017-10-27 | 2017-10-27 | Rebound control device for high-strength steel cold-formed product piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111112371A (en) * | 2018-10-30 | 2020-05-08 | 无锡特优特机械有限公司 | An automatic quick-change CZU section steel production line |
| CN111515277B (en) * | 2020-05-18 | 2025-01-24 | 张玉涛 | Purlin forming machine adjustment device and method |
| CN112208044B (en) * | 2020-10-21 | 2024-07-19 | 张家港市兰航机械有限公司 | Beam roller structure for pressing and attaching silica gel sheet |
| CN114160627A (en) * | 2021-12-03 | 2022-03-11 | 北京科技大学 | Roll bending forming oblique inserting roll device for complex-section thin-wall component and using method thereof |
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| CN1515365A (en) * | 2003-08-28 | 2004-07-28 | 武钢集团汉口轧钢厂 | Cold-bent central beam for manufacturing railway carriage |
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| CN201324781Y (en) * | 2008-12-19 | 2009-10-14 | 无锡市威华机械有限公司 | Combined roller structure for cold bending forming machine |
| CN103878216A (en) * | 2014-03-20 | 2014-06-25 | 扬州瑞铖钢业有限公司 | Four-roller synchronous deformation mechanism of profile steel forming mill |
| CN205914676U (en) * | 2016-07-29 | 2017-02-01 | 重庆凌云汽车零部件有限公司 | Flexible running roller of roll -in threshold open -ended |
| CN206028401U (en) * | 2016-08-31 | 2017-03-22 | 扬州瑞铖钢业有限公司 | Practical messenger of cold -formed steel |
| CN107262565A (en) * | 2017-08-17 | 2017-10-20 | 北方工业大学 | Auxiliary roller structure with wide-range adjustable roll bending forming angle and adjusting method |
| CN207628920U (en) * | 2017-10-27 | 2018-07-20 | 凌云工业股份有限公司 | Springback control device for high-strength steel cold roll forming part |
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2017
- 2017-10-27 CN CN201711029618.0A patent/CN107716628B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1515365A (en) * | 2003-08-28 | 2004-07-28 | 武钢集团汉口轧钢厂 | Cold-bent central beam for manufacturing railway carriage |
| CN201257466Y (en) * | 2008-09-18 | 2009-06-17 | 武汉钢铁(集团)公司 | Auxiliary forming device for cold-bending forming empty curving forming |
| CN201324781Y (en) * | 2008-12-19 | 2009-10-14 | 无锡市威华机械有限公司 | Combined roller structure for cold bending forming machine |
| CN103878216A (en) * | 2014-03-20 | 2014-06-25 | 扬州瑞铖钢业有限公司 | Four-roller synchronous deformation mechanism of profile steel forming mill |
| CN205914676U (en) * | 2016-07-29 | 2017-02-01 | 重庆凌云汽车零部件有限公司 | Flexible running roller of roll -in threshold open -ended |
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| CN107716628A (en) | 2018-02-23 |
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