CN112893614A - Flexible roll bending forming die and process for multi-specification complex-section profile steel product - Google Patents
Flexible roll bending forming die and process for multi-specification complex-section profile steel product Download PDFInfo
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- CN112893614A CN112893614A CN202110045063.9A CN202110045063A CN112893614A CN 112893614 A CN112893614 A CN 112893614A CN 202110045063 A CN202110045063 A CN 202110045063A CN 112893614 A CN112893614 A CN 112893614A
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- forming
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- symmetrically arranged
- roll bending
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 238000013000 roll bending Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000047 product Substances 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007547 defect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/005—Incremental shaping or bending, e.g. stepwise moving a shaping tool along the surface of the workpiece
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
- B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
-
- 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 invention discloses a flexible roll bending forming die and a process for a multi-specification section steel product with a complex section, wherein the flexible roll bending forming die comprises the following steps: the invention discloses a steel strip forming device, which comprises a feeding roller set, a first characteristic forming roller set, a second characteristic forming roller set, a third characteristic forming roller set and a vertical roller set, wherein a steel strip is bent and formed through a multi-pass continuous roller, and sequentially enters each pass for continuous forming, and is forced to deform through the roller set matched with each other when the steel strip enters each pass for forming, each pass finishes a set forming amount, and the forming of a product is finally finished through the multi-pass.
Description
Technical Field
The invention relates to the technical field of plastic forming of materials, in particular to a flexible roll bending forming die and process for a multi-specification section steel product with a complex section.
Background
Roll bending forming is a high-efficiency, material-saving, energy-saving and environment-friendly plate metal forming process technology. In the conventional roll bending forming unit, the relative position of the roll in each pass is fixed in the forming process, so that only the section with the cross section unchanged along the longitudinal direction can be produced. In the flexible roll bending forming process, rollers of each pass are independent units, a computer respectively controls the operation of servo motors connected with the rollers, the cross section shape of a roll bending section passing through a plate is changed by changing the positions of the rollers, the plate is produced into a required shape, the current flexible roll bending forming mainly aims at the flexible forming of a round pipe and a variable cross section steel, the flexible forming of different complex cross section (multi-specification) section steels cannot be finished, along with the rapid development of the domestic cold bending industry, the demand on the complex cross section steel with similar shape characteristics but small size difference is higher and higher, and how to enable one production line to realize the automatic, rapid and high-quality production of various complex cross section steels without changing the rollers is a problem worthy of research.
Disclosure of Invention
The invention aims to provide a flexible roll bending forming die and a flexible roll bending forming process for a multi-specification section steel product with a complex section, and aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
a flexible roll bending forming die and process for multi-specification section steel products with complex sections comprise the following steps: the first characteristic forming roller group, the second characteristic forming roller group and the third characteristic forming roller group are provided with a plurality of groups, the feeding roller group comprises feeding rollers which are symmetrically arranged up and down, the first characteristic forming roller group comprises four side rollers which are symmetrically arranged up and down and left and right, the second characteristic forming roller group comprises an outer side step roller and an inner side step roller which are symmetrically arranged up and down in sequence, and a cylindrical roller which is symmetrically arranged up and down between the outer side step roller and the inner side step roller, the third characteristic forming roller group comprises a right-angle side compression roller and a right-angle forming roller, the vertical roller group comprises an upper compression roller, a support roller and a vertical roller which are symmetrically arranged up and down, and the support roller is positioned below the upper compression roller, the vertical rollers are symmetrically arranged on two sides of the upper compression roller, and the feeding roller set, the first characteristic forming roller set, the second characteristic forming roller set, the third characteristic forming roller set and the vertical roller set are fixed on the large rack and move in multiple degrees of freedom through the transmission device.
As a preferable scheme of the invention, the method specifically comprises the following steps:
the first step is as follows: straightening the steel strip, and placing the steel strip on the feeding roller group for transmission;
the second step is that: forming the first characteristic by a plurality of groups of first characteristic forming roller sets in three passes of pre-forming, continuous forming and basic forming;
the third step: performing preforming, continuous forming and basic forming on the second characteristic by a plurality of groups of second characteristic forming roller sets;
the fourth step: performing pre-forming, continuous forming and basic forming on the third characteristic by a plurality of groups of third characteristic forming roller sets;
the fifth step: the overall forming of the product section is carried out through the multiple sets of vertical roller sets, so that the forming of the final product is ensured without obvious defects, and the forming accuracy is ensured.
In conclusion, the invention has the following beneficial effects: the steel strip is bent and formed through a multi-pass continuous roller, the steel strip is driven to move forwards in a roller gap through a plurality of independent power rollers and sequentially enters each pass for continuous forming, when the steel strip enters each pass for forming, the steel strip is forced to deform through a roller set matched with the steel strip in a matching mode, each pass finishes a set forming amount, and the forming of a product is finished through multiple passes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of a feed roll set and a first feature forming roll set of the present invention;
FIG. 2 is a perspective view of a second feature forming roll set of the present invention;
FIG. 3 is a perspective view of a third feature forming roll set and a vertical roll set in the present invention;
FIG. 4 is a schematic structural view of a molded product according to the first embodiment;
FIG. 5 is a schematic structural view of a molded product according to the second embodiment;
in the figure: 1 a feeding roller set; 2 a first characteristic forming roller set; 3 a second feature forming roller set; 4 a third feature forming roller set; 5, a vertical roller set; 6, a feeding roller; 7, edge rollers; 8 outer side step rollers; 9 inner side step roller; 10 cylindrical rollers; 11, a right-angle edge press roller; 12 right-angle forming rollers; 13, pressing the roller; 14 supporting the rolls; 15 vertical rolls; 16, feature one; 17, feature two; feature 18, three.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, the present invention provides a flexible roll bending forming die and process for multi-specification section steel products with complex cross sections, including: the feeding roller group 1, the first characteristic forming roller group 2, the second characteristic forming roller group 3, the third characteristic forming roller group 4 and the vertical roller group 5, the first characteristic forming roller group 2, the second characteristic forming roller group 3 and the third characteristic forming roller group 4 are provided with a plurality of groups, the feeding roller group 1 comprises feeding rollers 6 which are symmetrically arranged up and down, the first characteristic forming roller group 2 comprises four side rollers 7 which are symmetrically arranged up and down and left and right, the second characteristic forming roller group 3 comprises an outer side step roller 8 and an inner side step roller 9 which are sequentially symmetrically arranged up and down and left and right, and cylindrical rollers 10 which are symmetrically arranged up and down between the outer side step roller 8 and the inner side step roller 9, the third characteristic forming roller group 4 comprises a right-angle side pressing roller 11 and a right-angle forming roller 12 which are symmetrically arranged up and down and left, the vertical roller group 5 comprises an upper pressing roller 13, a supporting roller 14 and a vertical roller 15 which are, the supporting rollers 14 are positioned below the upper pressing roller 13, the vertical rollers 15 are symmetrically arranged on two sides of the upper pressing roller 13, and the feeding roller group 1, the first characteristic forming roller group 2, the second characteristic forming roller group 3, the third characteristic forming roller group 4 and the vertical roller group 5 are fixed on a large frame and move in multiple degrees of freedom through a transmission device.
The method specifically comprises the following steps:
the first time: straightening the steel strip, and placing the steel strip on a feeding roller group 1 for transmission;
and (3) a second pass: preforming (0-20) feature one 16 through the first set of first feature forming roll sets 2;
and a third step: continuously forming (20-65) feature one 16 by the second set of first feature forming rolls 2;
and a third step: basic forming (60 ° -80 °) of feature one 16 by means of the third set of first feature forming roll sets 2;
and a fourth pass: performing (0-15 degrees) the second characteristic 17 through the first group of second characteristic forming roller sets 3, dividing into three small passes, and respectively performing roll bending forming (lower angle and upper angle) through an outer side step roller 8, a cylindrical roller 10 and an inner side step roller 9;
and a fifth pass: continuously forming the second feature 17 (15-50 degrees) through a second feature forming roller group 3, dividing the second feature into three small passes, and respectively performing roll bending forming (lower corner and upper corner) through an outer side step roller 8, a cylindrical roller 10 and an inner side step roller 9;
and a sixth pass: continuously forming the second feature 17 (50-80 degrees) through the third group of second feature forming roller sets 3, dividing the second feature into three small passes, and respectively performing roll bending forming (lower corner and upper corner) through an outer side step roller 8, a cylindrical roller 10 and an inner side step roller 9;
and a seventh step: basic forming (80-90 degrees) is carried out on the second feature 17 through the fourth group of second feature forming roller sets 3, wherein the basic forming is divided into three small passes, and the roll bending forming (lower corner and upper corner) is respectively carried out by the outer side stepped roller 8, the cylindrical roller 10 and the inner side stepped roller 9;
and eighth pass: performing (0-15 degrees) the third feature 18 through the first group of third feature forming roller group 4, dividing the third feature into two small passes, and respectively performing roll bending forming through a right-angle edge pressing roll 11 and a right-angle forming roll 12;
and ninth pass: continuously forming the third feature 18 (15-50 degrees) by a second group of third feature forming roller sets 4, dividing the continuous forming into two small passes, and respectively bending and forming by a right-angle edge pressing roller 11 and a right-angle forming roller 12;
and a tenth pass: continuously forming the third feature 18 (50-80 degrees) by a third feature forming roller group 4, wherein the third feature is divided into two small passes, and the two small passes are respectively formed by a right-angle edge pressing roller 11 and a right-angle forming roller 12 in a bending way;
and eleventh pass: basic forming (80-90 degrees) is carried out on the third feature 18 through a fourth feature forming roller group 4, wherein the basic forming is divided into two small passes, and the two small passes are respectively formed by bending a right-angle edge pressing roller 11 and a right-angle forming roller 12;
and a twelfth pass: the overall forming of the product section is carried out through the multiple sets of vertical roller sets, so that the forming of the final product is ensured without obvious defects, and the forming accuracy is ensured.
In the embodiment of the invention, a steel strip is bent and formed through a multi-pass continuous roller, the steel strip is driven to advance in a roller gap through a plurality of independent power rollers and sequentially enters each pass for continuous forming, the steel strip is forced to deform through a roller set matched with the steel strip in each pass forming, each pass finishes a set forming amount, and the forming of a product is finished through the multi-pass.
Example two
Referring to fig. 1-3 and fig. 5, the present invention provides a flexible roll bending forming die for multi-specification section steel products with complex cross sections and a process thereof, which is the same as the first embodiment, in the specific steps of the processing process, when a steel strip is formed by a plurality of second characteristic forming roll sets 3, only one side of the outer stepped roll 8, the cylindrical roll 10 and the inner stepped roll 9 is used for roll bending forming, so that asymmetric section steel with complex cross sections can be obtained, and various types of section steel can be automatically, rapidly and high-quality produced without roll replacement.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a flexible roll bending forming die of many specifications complicated section shaped steel product and technology which characterized in that includes: the first characteristic forming roller group, the second characteristic forming roller group and the third characteristic forming roller group are provided with a plurality of groups, the feeding roller group comprises feeding rollers which are symmetrically arranged up and down, the first characteristic forming roller group comprises four side rollers which are symmetrically arranged up and down and left and right, the second characteristic forming roller group comprises an outer side step roller and an inner side step roller which are symmetrically arranged up and down in sequence, and a cylindrical roller which is symmetrically arranged up and down between the outer side step roller and the inner side step roller, the third characteristic forming roller group comprises a right-angle side compression roller and a right-angle forming roller, the vertical roller group comprises an upper compression roller, a support roller and a vertical roller which are symmetrically arranged up and down, and the support roller is positioned below the upper compression roller, the vertical rollers are symmetrically arranged on two sides of the upper compression roller, and the feeding roller set, the first characteristic forming roller set, the second characteristic forming roller set, the third characteristic forming roller set and the vertical roller set are fixed on the large rack and move in multiple degrees of freedom through the transmission device.
2. The flexible roll bending forming die and process for the multi-specification section steel product with the complex section as claimed in claim 1, wherein the flexible roll bending forming die comprises the following steps:
the first step is as follows: straightening the steel strip, and placing the steel strip on the feeding roller group for transmission;
the second step is that: forming the first characteristic by a plurality of groups of first characteristic forming roller sets in three passes of pre-forming, continuous forming and basic forming;
the third step: performing preforming, continuous forming and basic forming on the second characteristic by a plurality of groups of second characteristic forming roller sets;
the fourth step: performing pre-forming, continuous forming and basic forming on the third characteristic by a plurality of groups of third characteristic forming roller sets;
the fifth step: the overall forming of the product section is carried out through the multiple sets of vertical roller sets, so that the forming of the final product is ensured without obvious defects, and the forming accuracy is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110045063.9A CN112893614A (en) | 2021-01-13 | 2021-01-13 | Flexible roll bending forming die and process for multi-specification complex-section profile steel product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110045063.9A CN112893614A (en) | 2021-01-13 | 2021-01-13 | Flexible roll bending forming die and process for multi-specification complex-section profile steel product |
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| Publication Number | Publication Date |
|---|---|
| CN112893614A true CN112893614A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110045063.9A Pending CN112893614A (en) | 2021-01-13 | 2021-01-13 | Flexible roll bending forming die and process for multi-specification complex-section profile steel product |
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| CN (1) | CN112893614A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043263A (en) * | 2021-11-08 | 2022-02-15 | 陕西飞机工业有限责任公司 | Guide rail clamp for milling precision of curved edge of curved part with curved edge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058355U (en) * | 1989-06-06 | 1990-06-20 | 沈阳金属门窗制造公司 | Rolling mill for producing steel door and window |
| US20110197646A1 (en) * | 2008-07-24 | 2011-08-18 | Welser Profile Austria Gmbh | Method for the Production of a Cold-Rolled Profile Having At Least One Thickened Profile Edge |
| CN108453153A (en) * | 2018-05-03 | 2018-08-28 | 石家庄富瑞沃机电设备有限公司 | A kind of roll device and forming method of square tube straight forming |
| CN110871219A (en) * | 2018-09-04 | 2020-03-10 | 上海佳冷冷弯科技股份有限公司 | Cold roll forming process of high-strength steel square rectangular pipe |
-
2021
- 2021-01-13 CN CN202110045063.9A patent/CN112893614A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058355U (en) * | 1989-06-06 | 1990-06-20 | 沈阳金属门窗制造公司 | Rolling mill for producing steel door and window |
| US20110197646A1 (en) * | 2008-07-24 | 2011-08-18 | Welser Profile Austria Gmbh | Method for the Production of a Cold-Rolled Profile Having At Least One Thickened Profile Edge |
| CN108453153A (en) * | 2018-05-03 | 2018-08-28 | 石家庄富瑞沃机电设备有限公司 | A kind of roll device and forming method of square tube straight forming |
| CN110871219A (en) * | 2018-09-04 | 2020-03-10 | 上海佳冷冷弯科技股份有限公司 | Cold roll forming process of high-strength steel square rectangular pipe |
Non-Patent Citations (1)
| Title |
|---|
| 赵艳红: "冷弯型钢成型轧辊的设计方法", 山西机械, no. 02, 30 May 2003 (2003-05-30), pages 30 - 32 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043263A (en) * | 2021-11-08 | 2022-02-15 | 陕西飞机工业有限责任公司 | Guide rail clamp for milling precision of curved edge of curved part with curved edge |
| CN114043263B (en) * | 2021-11-08 | 2023-11-21 | 陕西飞机工业有限责任公司 | Precision milling guide rail clamp for bent edge of bent part with bent edge |
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