CN110125213B - Hot bending forming device and method - Google Patents
Hot bending forming device and method Download PDFInfo
- Publication number
- CN110125213B CN110125213B CN201910431844.4A CN201910431844A CN110125213B CN 110125213 B CN110125213 B CN 110125213B CN 201910431844 A CN201910431844 A CN 201910431844A CN 110125213 B CN110125213 B CN 110125213B
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- China
- Prior art keywords
- unit
- arc
- shaft
- roller
- roller groove
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- 238000013003 hot bending Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000007906 compression Methods 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims 3
- 230000009471 action Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002699 waste material Substances 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
- B21D5/008—Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a hot bending forming device and a hot bending forming method, wherein the device comprises a power unit, and the power unit comprises a first shaft and a second shaft; the hot bending forming device comprises a compression roller unit and a roller groove unit, wherein a first shaft is connected with the compression roller unit, a second shaft is connected with the roller groove unit, the shape of the compression roller unit is matched with that of the roller groove unit, when hot bending forming is carried out, the compression roller unit and the roller groove unit rotate to press a steel strip arranged between the compression roller unit and the roller groove unit, due to the friction force action of the compression roller unit and the roller groove unit, the steel strip moves along the tangential direction of the compression roller unit and the roller groove unit, the steel strip deforms, the deformation is matched with that of the compression roller unit and the roller groove unit, the steel strip deforms along the extension direction of the plane direction of the steel strip under the action of the compression roller unit and the roller groove unit, and then the purpose that the thickness of the steel strip is uniform is achieved, and finally the hot bending forming is completed.
Description
Technical Field
The invention relates to the technical field of metallurgical industry, in particular to a hot bending forming device and a hot bending forming method.
Background
The high Wen Gangdai (steel plate) is used as raw material, and the roll bending forming process is adopted to produce the section steel, namely the hot bending forming process. In general, steel products produced by hot bending are angle steel, channel steel, square rectangular tube, profiled section steel and the like, and the fillet part of the hot bending steel is thinned to a certain extent in the forming process. In the use process, the bent angle part of the hot-bending steel becomes a weak point, so that the usability of the steel is reduced, and a certain waste of materials is caused. The thinning of the bent angle part also limits the application range of the hot-bending steel.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a hot bending device and a hot bending method for solving the problem of thinning a bent portion of a steel strip in the prior art.
To achieve the above and other related objects, the present invention provides a hot bending apparatus comprising: a power unit including a first shaft and a second shaft; the device comprises a press roller unit and a roller groove unit, wherein the first shaft is connected with the press roller unit, the second shaft is connected with the roller groove unit, and the shape of the press roller unit is matched with that of the roller groove unit.
Optionally, the power unit further comprises a motor and a speed reducer, and the motor is connected with the first shaft and the second shaft through the speed reducer.
Optionally, the arc shapes of the compression roller unit and the roller groove unit matched with each other comprise a C-shaped arc and a round-corner rectangular arc.
Optionally, the arc shapes of the press roller unit and the roller groove unit are matched further comprise transition arcs, and the transition arcs comprise a first arc, a round angle arc and a second arc.
Optionally, the connection between the first arc line and the rounded arc line is continuous but not conductive, and the connection between the rounded arc line and the second arc line is continuous but not conductive.
Optionally, the hot bending forming device further comprises an adjusting unit, the adjusting unit comprises an adjusting hole, an adjusting rod and a fixing piece, the adjusting rod is matched with the adjusting hole, one end of the adjusting rod is connected with the first shaft, and the fixing piece is detachably connected with the adjusting rod.
A hot-bending forming method, comprising: providing a steel belt, a compression roller unit and a roller groove unit, and placing the steel belt between the compression roller unit and the roller groove unit; changing the shapes of the compression roller unit and the roller groove unit, and gradually approaching to a rounded rectangle according to the movement direction of the steel belt by the shape of an arc matched with the roller groove unit.
Optionally, the hot bending forming method comprises the following steps: according to the movement direction of the steel belt, the arc line matched with the roller groove unit by the compression roller unit comprises a C-shaped arc line and a round-corner rectangular arc line.
Optionally, the arc shapes of the press roller unit and the roller groove unit are matched further comprise transition arcs, and the transition arcs comprise a first arc, a round angle arc and a second arc.
Optionally, the connection between the first arc line and the rounded arc line is continuous but not conductive, and the connection between the rounded arc line and the second arc line is continuous but not conductive.
As described above, the hot bending forming device and method of the invention have the following beneficial effects:
when carrying out hot bending shaping, compression roller unit and roller groove unit rotate, oppress the steel band of arranging in between compression roller unit and the roller groove unit, owing to receive the frictional force effect of compression roller unit and roller groove unit, the tangential motion of steel band along compression roller unit and roller groove unit, the steel band takes place deformation, and this deformation with compression roller unit reaches the shape assorted of roller groove unit, the steel band takes place under compression roller unit and roller groove unit's effect, takes place the extension deformation along steel band plane direction, and then reaches the even purpose of steel band thickness, accomplishes hot bending shaping finally.
Drawings
Fig. 1 is a schematic structural view of a hot bending apparatus according to an embodiment of the invention.
Fig. 2 is an enlarged view of a portion of the adjusting unit of fig. 1.
Fig. 3 is a schematic diagram of the right-view structure of fig. 1.
FIG. 4 is a schematic diagram showing a hot bending forming process according to an embodiment of the present invention.
Fig. 5 is a schematic view showing the structure of a C-arc in an embodiment of the present invention.
Fig. 6 is a schematic diagram of a transitional arc in an embodiment of the invention.
Fig. 7 is a schematic diagram of a rounded rectangular arc in an embodiment of the invention.
Description of the part reference numerals
1. Motor with a motor housing
2. Speed reducer
31. First shaft
32. Second shaft
4. Adjusting unit
41. Adjusting hole
42. Adjusting rod
43. Fixing piece
5. Compression roller unit
6. Steel strip
7. Roller groove unit
8C arc line
9. Transitional arc
91. First arc line
92. Round arc
93. Second arc line
10. Rounded rectangular arc
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
Please refer to fig. 1 to 7. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the invention, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Referring to fig. 1, 2 and 3, the present invention provides a hot bending apparatus, comprising: a power unit comprising a first shaft 31 and a second shaft 32; the hot bending forming device comprises a press roll unit 5 and a roll groove unit 7, wherein a first shaft 31 is connected with the press roll unit 5, a second shaft 32 is connected with the roll groove unit 7, a power unit can provide rotating power for the first shaft 31 and the second shaft 32, the first shaft 31 and the second shaft 32 further drive the press roll unit 5 and the roll groove unit 7 respectively, the shape of the press roll unit 5 is matched with that of the roll groove unit 7, when hot bending forming is carried out, the press roll unit 5 and the roll groove unit 7 rotate to press a steel strip 6 arranged between the press roll unit 5 and the roll groove unit 7, due to the friction force of the press roll unit 5 and the roll groove unit 7, the steel strip 6 moves along the tangential direction of the press roll unit 5 and the roll groove unit 7, the steel strip 6 deforms, the deformation is matched with the shape of the press roll unit 5 and the roll groove unit 7, finally, the hot bending forming is completed, the steel strip 6 deforms along the plane direction of the steel strip 6 under the action of the press roll unit 5 and the roll groove unit 7, and the purpose of uniform thickness of the steel strip 6 is achieved.
In order to better match the rotation of the first shaft 31 and the second shaft 32, the power unit further comprises a motor 1 and a speed reducer 2, wherein the motor 1 is connected with the first shaft 31 and the second shaft 32 through the speed reducer 2, so that parameters such as thickness, surface roughness and the like of the steel belt 6 can be conveniently controlled according to the technological requirements of hot bending forming.
Referring to fig. 4, the arc shapes of the press roller unit 5 and the roller groove unit 7 include a C-shaped arc 8 and a rounded rectangular arc 10, and in the specific implementation process, the steel strip 6 is gradually transited from the shape of the C-shaped arc 8 to the shape of the rounded rectangular arc 10.
Preferably, in order to reduce the deformation change amount of the steel strip during the two adjacent hot bending processes, the arc shape of the roller unit 5 matched with the roller groove unit 7 further comprises a transition arc, the transition arc comprises a first arc, a rounded arc 92 and a second arc 93, the connection part of the first arc 91 and the rounded arc 92 is continuous but not conductive, and the connection part of the rounded arc 92 and the second arc 93 is continuous but not conductive.
In order to adjust the distance between the press roller unit 5 and the roller groove unit 7, and better meet the steel strip with different thickness and other parameter requirements, the hot bending forming device further comprises an adjusting unit 4, the adjusting unit 4 can adjust the distance between the press roller unit 5 and the roller groove unit 7, the adjusting unit 4 comprises an adjusting hole 41, an adjusting rod 42 and a fixing piece 43, the adjusting rod 42 is matched with the adjusting hole 41, one end of the adjusting rod 42 is connected with the first shaft 31, the fixing piece 43 is detachably connected with the adjusting rod 42, in a specific implementation process, the adjusting rod 42 can be moved along the extending direction of the adjusting hole 41, when the distance between the press roller unit 5 and the roller groove unit 7 meets the process requirement of hot bending forming, the press roller unit 5 is locked, and the fixing of the relative position between the press roller unit 5 and the roller groove unit 7 is completed.
A hot-bending forming method, comprising:
providing a steel belt, a compression roller unit and a roller groove unit, and placing the steel belt between the compression roller unit and the roller groove unit; the shapes of the press roller unit and the roller groove unit are changed, and the shape of an arc matched with the roller groove unit gradually approaches to a round corner rectangle according to the movement direction of the steel belt, and the hot bending process is shown in fig. 4.
Referring to fig. 5 to 7, the hot bending forming method further includes: according to the direction of motion of steel band, the compression roller unit with the pitch arc of roll groove unit matching is including shape pitch arc and fillet rectangle pitch arc, the compression roller unit with the pitch arc shape of roll groove unit matching still includes transition pitch arc, transition pitch arc includes first pitch arc, fillet pitch arc and second pitch arc, first pitch arc with the junction of fillet pitch arc is continuous but can not lead, the fillet pitch arc with the junction of second pitch arc is continuous but can not lead.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. A hot-bending apparatus, comprising:
a power unit including a first shaft and a second shaft;
the first shaft is connected with the pressing roller unit, the second shaft is connected with the roller groove unit, and the shape of the pressing roller unit is matched with that of the roller groove unit;
the arc shapes of the compression roller unit and the roller groove unit comprise C-shaped arc lines, round angle rectangular arc lines and transition arc lines, wherein the transition arc lines comprise first arc lines, round angle arc lines and second arc lines, and the round angle arc lines are positioned above the second arc lines.
2. The hot-bending molding apparatus according to claim 1, wherein: the power unit further comprises a motor and a speed reducer, and the motor is connected with the first shaft and the second shaft through the speed reducer.
3. The hot-bending molding apparatus according to claim 1, wherein: the connection part of the first arc line and the round arc line is continuous but not conductive, and the connection part of the round arc line and the second arc line is continuous but not conductive.
4. The hot-bending molding apparatus according to claim 1, wherein: the hot bending forming device further comprises an adjusting unit, the adjusting unit comprises an adjusting hole, an adjusting rod and a fixing piece, the adjusting rod is matched with the adjusting hole, one end of the adjusting rod is connected with the first shaft, and the fixing piece is detachably connected with the adjusting rod.
5. A hot-bending forming method, comprising:
providing a steel belt, a compression roller unit and a roller groove unit, and placing the steel belt between the compression roller unit and the roller groove unit;
changing the shapes of the compression roller unit and the roller groove unit, and gradually approaching to a round rectangle according to the shape of an arc matched with the roller groove unit by the compression roller unit and the movement direction of the steel belt;
according to the direction of motion of the steel strip, the arc line matched with the roller groove unit by the compression roller unit comprises a C-shaped arc line, a round angle rectangular arc line and a transition arc line, wherein the transition arc line comprises a first arc line, a round angle arc line and a second arc line, and the round angle arc line is positioned above the second arc line.
6. The method of hot bend forming according to claim 5, wherein the junction of the first arc and the rounded arc is continuous but non-conductive and the junction of the rounded arc and the second arc is continuous but non-conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431844.4A CN110125213B (en) | 2019-05-23 | 2019-05-23 | Hot bending forming device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910431844.4A CN110125213B (en) | 2019-05-23 | 2019-05-23 | Hot bending forming device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110125213A CN110125213A (en) | 2019-08-16 |
| CN110125213B true CN110125213B (en) | 2024-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910431844.4A Active CN110125213B (en) | 2019-05-23 | 2019-05-23 | Hot bending forming device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110125213B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112725972A (en) * | 2020-12-10 | 2021-04-30 | 江阴市开元纺织机械制造有限公司 | Compression roller pressurizing damping mechanism of warp beam |
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|---|---|---|---|---|
| WO1987001977A1 (en) * | 1985-10-04 | 1987-04-09 | Gomera Pty. Ltd. | Roll forming machines |
| JPS62110801A (en) * | 1985-11-09 | 1987-05-21 | Aichi Steel Works Ltd | Production of channel steel |
| US4939919A (en) * | 1988-09-23 | 1990-07-10 | Oto Mills S.P.A. | Roll forming machine |
| KR101510865B1 (en) * | 2014-09-30 | 2015-04-10 | (주) 한양테크 | Differential device of Tube Mill Roller for metal pipe |
| CN204294713U (en) * | 2014-12-02 | 2015-04-29 | 洛斐尔建材江苏有限公司 | A kind of high strength ceilings keel bending forming mechanism |
| CN105537452A (en) * | 2015-12-04 | 2016-05-04 | 成都航天万欣科技有限公司 | Frame pressing and rolling mill |
| CN105642700A (en) * | 2016-03-28 | 2016-06-08 | 徐晓冰 | Method for manufacturing flat tubes |
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-
2019
- 2019-05-23 CN CN201910431844.4A patent/CN110125213B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987001977A1 (en) * | 1985-10-04 | 1987-04-09 | Gomera Pty. Ltd. | Roll forming machines |
| JPS62110801A (en) * | 1985-11-09 | 1987-05-21 | Aichi Steel Works Ltd | Production of channel steel |
| US4939919A (en) * | 1988-09-23 | 1990-07-10 | Oto Mills S.P.A. | Roll forming machine |
| KR101510865B1 (en) * | 2014-09-30 | 2015-04-10 | (주) 한양테크 | Differential device of Tube Mill Roller for metal pipe |
| CN204294713U (en) * | 2014-12-02 | 2015-04-29 | 洛斐尔建材江苏有限公司 | A kind of high strength ceilings keel bending forming mechanism |
| CN105537452A (en) * | 2015-12-04 | 2016-05-04 | 成都航天万欣科技有限公司 | Frame pressing and rolling mill |
| CN105642700A (en) * | 2016-03-28 | 2016-06-08 | 徐晓冰 | Method for manufacturing flat tubes |
| CN106734409A (en) * | 2016-12-13 | 2017-05-31 | 新昌县盛夏机械厂 | A kind of production equipment of no-welding-seam wheel hub |
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| Publication number | Publication date |
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| CN110125213A (en) | 2019-08-16 |
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