CN110961497A - Cold bending forming machine for saddle-shaped curved plate and using method thereof - Google Patents
Cold bending forming machine for saddle-shaped curved plate and using method thereof Download PDFInfo
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- CN110961497A CN110961497A CN201811142658.0A CN201811142658A CN110961497A CN 110961497 A CN110961497 A CN 110961497A CN 201811142658 A CN201811142658 A CN 201811142658A CN 110961497 A CN110961497 A CN 110961497A
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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
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
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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
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the field of metal plates bent along a straight line, in particular to a cold-bending forming machine of a saddle-shaped curved plate and a use method thereof, wherein the cold-bending forming machine of the saddle-shaped curved plate comprises an arc plate (1), and is characterized by further comprising a support rod (2) and a pipe bending machine (3), the support rod (2) is sequentially arranged at an opening of the arc plate (1), two ends of the support rod (2) are respectively fixed on one side edge of the arc plate (1), two ends of the arc plate (1) are respectively erected on a bracket (32) of the pipe bending machine (3), and a convex arc surface of the arc plate (1) is attached to a pipe bending die head (34) of the pipe bending machine (3).
Description
Technical Field
The invention relates to the field of bending metal plates along straight lines, in particular to a cold bending forming machine for a saddle-shaped curved plate and a using method thereof.
Background
The traditional method for forming the saddle-shaped curved surface steel plate part is heating die pressing, the die sinking cost is high, the processing period is long, steel needs to be heated at high temperature, the material performance is influenced, the energy consumption is high, and the requirements of green and environmental protection are not met. Meanwhile, a certain margin is required to be reserved during typesetting, and the material loss is large.
Disclosure of Invention
The invention discloses a cold bending forming machine for saddle-shaped curved plate and a using method thereof, aiming at overcoming the defects of the prior art and providing a plate processing method which saves raw materials, improves the productivity, has high processing precision and reduces the energy consumption.
The invention achieves the purpose by the following technical scheme:
the utility model provides a clod wash make-up machine of shape of a saddle curved plate, includes the arc, and the cross section of arc is the arc, and each generating line of arc is the straight line that is parallel to each other, characterized by: also comprises a supporting rod and a pipe bender,
the support rods are sequentially arranged at the opening of the arc-shaped plate, two ends of each support rod are respectively welded and fixed on one side edge of the arc-shaped plate, the support rods are parallel to each other, and the support rods bear tensile stress in the bending process, so that the connection welding seams of the support rods and the arc-shaped plate must be firm;
the pipe bender comprises a support, supports, a driver and a pipe bending die head, wherein the supports are respectively fixed on two sides of the support, the fixed end of the driver is fixed on the support, the moving end of the driver is over against the central connecting line of the two supports, and the pipe bending die head is fixed on the moving end of the driver;
the two ends of the arc-shaped plate are respectively erected on the bracket of the pipe bending machine, and the convex arc surface of the arc-shaped plate is attached to a pipe bending die head of the pipe bending machine.
The cold bending forming machine for the saddle-shaped curved plate is characterized in that:
the arc-shaped plate is formed by rolling or pressing a steel plate, and when the arc-shaped plate is formed by rolling, the inner side and the outer side of the circular seam of the arc-shaped plate are ground flat, so that the rigidity mutation of the arc-shaped plate is avoided, and the bending effect is not influenced; when the pressing forming is adopted, the space between the pressing lines of the arc-shaped plate and the pressing head are matched with the pipe diameter, so that the influence on the subsequent forming effect caused by the radial ridge of the arc-shaped plate is avoided;
when the thickness of the arc-shaped plate is not more than 20mm, the distance between two adjacent support rods is 400-500 mm, and when the thickness of the arc-shaped plate is more than 20mm, the distance between two adjacent support rods is 600-800 mm;
the hydraulic cylinder is selected for use by the driver of the pipe bending machine, 800 tons is selected for use by the tonnage of the driver when the diameter of the arc-shaped plate is not more than 600mm, 1500 tons is selected for use by the tonnage of the driver when the diameter of the arc-shaped plate is more than 600mm and not more than 1200mm, and 2500 tons is selected for use by the tonnage of the driver when the diameter of the arc-shaped plate is more than 1200mm and not more than 1600 mm.
The use method of the cold bending forming machine for the saddle-shaped curved plate is characterized in that: the method is implemented in sequence according to the following steps:
① preparing arc plate by making planar plate into arc plate;
② arranging supports, wherein the supports are arranged at the opening of the arc plate in sequence, the two ends of the support are welded and fixed on one side of the arc plate respectively, the support bars are parallel to each other, and the support bars bear tensile stress in the bending process, so the connecting weld of the support bars and the arc plate must be firm;
③ making saddle-shaped curved surface by erecting two ends of arc plate on the supports of pipe bender, making the convex arc surface of arc plate be attached to the bending head of pipe bender, starting the driver of pipe bender, and pushing the convex arc position of arc plate to make the middle part of arc plate be extruded to become saddle-shaped curved plate.
The use method of the cold bending forming machine for the saddle-shaped curved plate is characterized in that:
①, rolling or pressing the arc plate with steel plate, grinding the inner and outer edges of the circular seam to avoid the rigidity mutation of the arc plate and influence on the bending effect, and matching the space between the pressing lines of the arc plate and the pressing surface of the pressing head of the pressing machine with the pipe diameter of the arc plate to avoid the radial edge line of the arc plate and influence on the subsequent forming effect;
②, when the thickness of the arc-shaped plate is not more than 20mm, the distance between two adjacent support rods is 400-500 mm, and when the thickness of the arc-shaped plate is more than 20mm, the distance between two adjacent support rods is 600-800 mm;
step ③, when the diameter of the arc plate is not more than 600mm, the tonnage of the driver is 800ton, when the diameter of the arc plate is more than 600mm and not more than 1200mm, the tonnage of the driver is 1500ton, when the diameter of the arc plate is more than 1200mm and not more than 1600mm, the tonnage of the driver is 2500 ton.
The invention firstly rolls or presses the steel plate into the arc plate, uses the lath or the round pipe as the supporting rod to play the role of reinforcement at the opening side before cold bending, then the steel plate is put into the pipe bender to be bent, so as to obtain the saddle curved surface with smooth appearance, reduce the cost, ensure the precision and solve the problem of the forming method of the steel plate part with the saddle curved surface which can not be unfolded.
The invention has the following beneficial effects:
1. material conservation measures:
the traditional heating compression molding method needs to manufacture an upper die, a lower die and a die panel in a ratio of 1:1, has high manufacturing precision requirement, needs a large amount of steel plate materials, and has huge amount of required die materials for saddle-shaped curved steel plate parts which cannot be produced in batch. The invention only needs some reinforcing materials and can use the production excess material for reinforcement.
2. The production efficiency is high:
the traditional heating compression molding method needs to manufacture an accurate mold, the manufacturing period is long, and allowance cutting work is needed after the curved surface is formed. The invention can greatly shorten the manufacturing period.
3. Environmental protection and energy saving, no damage to the material:
the traditional heating compression molding method has the working procedure of high-temperature heating, the energy consumption is large, the working condition is poor, and if the cooling speed after heating is not well controlled, the material performance is damaged. The present invention avoids this problem.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is an isometric view of an arcuate plate of the present invention;
figure 3 is an isometric view of the arcuate plate of the present invention with the support rods disposed,
fig. 4 is an isometric view of an arcuate plate as it is being press formed.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A cold bending forming machine for saddle-shaped curved plate comprises an arc plate 1, a support rod 2 and a pipe bender 3, as shown in figures 1-3, the concrete structure is as follows:
the arc plate 1 is shown in figure 1: the cross section of the arc-shaped plate 1 is arc-shaped, and all buses of the arc-shaped plate 1 are mutually parallel straight lines;
as shown in fig. 2: the support rods 2 are sequentially arranged at the opening of the arc-shaped plate 1, two ends of each support rod 2 are respectively welded and fixed on one side edge of the arc-shaped plate 1, the support rods 2 are parallel to each other, and the support rods 2 bear tensile stress in the bending process, so that the connecting welding seams of the support rods 2 and the arc-shaped plate 1 must be firm;
the pipe bender 3 comprises a support 31, supports 32, a driver 33 and a pipe bending die head 34, wherein the supports 32 are respectively fixed on two sides of the support 31, the fixed end of the driver 33 is fixed on the support 31, the moving end of the driver 33 is opposite to the central connecting line of the two supports 32, and the pipe bending die head 34 is fixed on the moving end of the driver 33;
the two ends of the arc plate 1 are respectively erected on the brackets 32 of the pipe bender 3, and the convex arc surface of the arc plate 1 is attached to the pipe bending die head 34 of the pipe bender 3.
In this embodiment:
the arc-shaped plate 1 is formed by rolling or pressing a steel plate, and when the arc-shaped plate 1 is formed by rolling, the inner part and the outer part of the circular seam of the arc-shaped plate 1 are ground flat, so that the influence on the bending effect caused by the sudden change of the rigidity of the arc-shaped plate 1 is avoided; when the pressing forming is adopted, the spacing of the pressing lines of the arc-shaped plate 1 and the pressing surface of the pressing head 4 of the pressing machine are matched with the pipe diameter of the arc-shaped plate 1, so that the radial ridge of the arc-shaped plate 1 is prevented from influencing the subsequent forming effect;
when the thickness of the arc-shaped plate 1 is not more than 20mm, the distance between two adjacent supporting rods 2 is 400-500 mm, and when the thickness of the arc-shaped plate 1 is more than 20mm, the distance between two adjacent supporting rods 2 is 600-800 mm;
the hydraulic cylinder is selected for the driver 33 of the pipe bender 3, 800 tons is selected for the tonnage of the driver 33 when the diameter of the arc-shaped plate 1 is not more than 600mm, 1500 tons is selected for the tonnage of the driver 33 when the diameter of the arc-shaped plate 1 is more than 600mm and not more than 1200mm, and 2500 tons is selected for the tonnage of the driver 33 when the diameter of the arc-shaped plate 1 is more than 1200mm and not more than 1600 mm.
When the method is used, the steps are implemented in sequence as follows:
① preparing arc plate, namely preparing the plane plate into the arc plate 1;
the arc-shaped plate 1 is formed by rolling or pressing a steel plate, and when the arc-shaped plate 1 is formed by rolling, the inner part and the outer part of the circular seam of the arc-shaped plate 1 are ground flat, so that the influence on the bending effect caused by the sudden change of the rigidity of the arc-shaped plate 1 is avoided; when press forming is employed, as shown in fig. 4: the space between the pressing lines of the arc-shaped plate 1 and the pressing surface of the pressing head 4 of the pressing machine are matched with the pipe diameter of the arc-shaped plate 1, so that the influence on the subsequent forming effect caused by the radial ridge of the arc-shaped plate 1 is avoided;
② arranging supports, wherein the support bars 2 are arranged in sequence at the opening of the arc plate 1, the two ends of the support bars 2 are respectively welded and fixed on one side edge of the arc plate 1, the support bars 2 are parallel to each other, and the support bars 2 bear tensile stress in the bending process, so the connecting welding seam of the support bars 2 and the arc plate 1 must be firm;
when the thickness of the arc-shaped plate 1 is not more than 20mm, the distance between two adjacent supporting rods 2 is 400-500 mm, and when the thickness of the arc-shaped plate 1 is more than 20mm, the distance between two adjacent supporting rods 2 is 600-800 mm;
③ making a saddle-shaped curved surface by respectively erecting two ends of the arc plate 1 on the brackets 32 of the pipe bender 3, attaching the convex arc surface of the arc plate 1 to the pipe bending die head 34 of the pipe bender 3, starting the driver 33 of the pipe bender 3, and pushing the convex arc part in the middle of the arc plate 1 forward by the moving end of the driver 33 to extrude the middle of the arc plate 1 into the saddle-shaped curved surface;
when the diameter of the arc-shaped plate 1 is not more than 600mm, the tonnage of the driver 33 is 800 tons, when the diameter of the arc-shaped plate 1 is more than 600mm and not more than 1200mm, the tonnage of the driver 33 is 1500 tons, and when the diameter of the arc-shaped plate 1 is more than 1200mm and not more than 1600mm, the tonnage of the driver 33 is 2500 tons.
Claims (4)
1. The utility model provides a clod wash make-up machine of shape of a saddle curved plate, includes arc (1), and the cross section of arc (1) is the arc, and each generating line of arc (1) is the straight line that is parallel to each other, characterized by: also comprises a support rod (2) and a pipe bender (3),
the supporting rods (2) are sequentially arranged at the opening of the arc-shaped plate (1), two ends of each supporting rod (2) are respectively fixed on one side edge of the arc-shaped plate (1), and the supporting rods (2) are parallel to each other;
the pipe bender (3) comprises a support (31), supports (32), a driver (33) and a pipe bending die head (34), wherein the supports (32) are respectively fixed on two sides of the support (31), the fixed end of the driver (33) is fixed on the support (31), the moving end of the driver (33) is opposite to the central connecting line of the two supports (32), and the pipe bending die head (34) is fixed on the moving end of the driver (33);
two ends of the arc-shaped plate (1) are respectively erected on a bracket (32) of the pipe bending machine (3), and the convex arc surface of the arc-shaped plate (1) is attached to a pipe bending die head (34) of the pipe bending machine (3).
2. The apparatus of claim 1, wherein the apparatus further comprises:
the arc-shaped plate (1) is formed by rolling or pressing a steel plate, and when the arc-shaped plate (1) is formed by rolling, the inner side and the outer side of a circular seam are ground flat; when the pressing forming is adopted, the space of the pressing line of the arc-shaped plate (1) and the pressing surface of the pressing head (4) of the pressing machine are matched with the pipe diameter of the arc-shaped plate (1);
when the thickness of the arc-shaped plate (1) is not more than 20mm, the distance between two adjacent supporting rods (2) is 400-500 mm, and when the thickness of the arc-shaped plate (1) is more than 20mm, the distance between two adjacent supporting rods (2) is 600-800 mm;
the hydraulic cylinder is selected for use by a driver (33) of the pipe bending machine (3), 800 tons are selected for use by the tonnage of the driver (33) when the diameter of the arc-shaped plate (1) is not more than 600mm, 1500 tons are selected for use by the tonnage of the driver (33) when the diameter of the arc-shaped plate (1) is more than 600mm and not more than 1200mm, and 2500 tons are selected for use by the tonnage of the driver (33) when the diameter of the arc-shaped plate (1) is more than 1200mm and not more than 1600 mm.
3. The method of using a forming machine for saddle-shaped curved plates as claimed in claim 1 or 2, wherein: the method is implemented in sequence according to the following steps:
① preparing arc-shaped plates, namely preparing the plane plates into the arc-shaped plates (1);
② is provided with a support, wherein the opening of the arc-shaped plate (1) is sequentially provided with support rods (2), two ends of each support rod (2) are respectively fixed on one side edge of the arc-shaped plate (1), and the support rods (2) are parallel to each other;
③ making a saddle-shaped curved surface, namely, erecting two ends of an arc plate (1) on a bracket (32) of a pipe bending machine (3) respectively, enabling a convex arc surface of the arc plate (1) to be attached to a pipe bending die head (34) of the pipe bending machine (3), starting a driver (33) of the pipe bending machine (3), and enabling a moving end of the driver (33) to push the convex arc part in the middle of the arc plate (1) forwards, so that the middle of the arc plate (1) is extruded to form the saddle-shaped curved surface.
4. The method of using a forming machine for saddle-shaped curved plates as claimed in claim 3, wherein:
①, rolling or pressing the arc plate (1) with steel plate, and grinding the inner and outer sides of the circular seam of the arc plate (1), wherein the distance between the pressing lines of the arc plate (1) and the pressing surface of the pressing head (4) of the pressing machine are matched with the pipe diameter of the arc plate (1);
②, when the thickness of the arc-shaped plate (1) is not more than 20mm, the distance between two adjacent supporting rods (2) is 400-500 mm, and when the thickness of the arc-shaped plate (1) is more than 20mm, the distance between two adjacent supporting rods (2) is 600-800 mm;
step ③, when the diameter of the arc plate (1) is not more than 600mm, the tonnage of the driver (33) is 800 tons, when the diameter of the arc plate (1) is more than 600mm and not more than 1200mm, the tonnage of the driver (33) is 1500 tons, when the diameter of the arc plate (1) is more than 1200mm and not more than 1600mm, the tonnage of the driver (33) is 2500 tons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142658.0A CN110961497A (en) | 2018-09-28 | 2018-09-28 | Cold bending forming machine for saddle-shaped curved plate and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142658.0A CN110961497A (en) | 2018-09-28 | 2018-09-28 | Cold bending forming machine for saddle-shaped curved plate and using method thereof |
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| CN110961497A true CN110961497A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811142658.0A Pending CN110961497A (en) | 2018-09-28 | 2018-09-28 | Cold bending forming machine for saddle-shaped curved plate and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11846613B2 (en) | 2020-12-31 | 2023-12-19 | Bayou Holdco, Inc. | Strain testing rig and method of evaluating strain characteristics of specimen |
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|---|---|---|---|---|
| GB428290A (en) * | 1933-11-10 | 1935-05-10 | Walter Villa Gilbert | Improved process and means for shaping plates into hollowed objects, such as boat hulls, wings for aircraft, side-cars and the like |
| CN106715000A (en) * | 2014-09-18 | 2017-05-24 | 新日铁住金株式会社 | Method for manufacturing molded article, mold, and tubular molded article |
| CN107377698A (en) * | 2017-08-09 | 2017-11-24 | 江苏鹏诚钢构有限公司 | A kind of cold-formed mould of hyperboloid |
| CN206951856U (en) * | 2017-05-05 | 2018-02-02 | 淮北矿业股份有限公司 | A kind of portable manual Multipurpose bending machine |
| CN206951863U (en) * | 2017-05-05 | 2018-02-02 | 淮北矿业股份有限公司 | A kind of hand jack side bend device |
| CN107931380A (en) * | 2017-11-28 | 2018-04-20 | 湖南长宏南雁锅炉修理安装有限公司 | Punching press swan neck system |
-
2018
- 2018-09-28 CN CN201811142658.0A patent/CN110961497A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB428290A (en) * | 1933-11-10 | 1935-05-10 | Walter Villa Gilbert | Improved process and means for shaping plates into hollowed objects, such as boat hulls, wings for aircraft, side-cars and the like |
| CN106715000A (en) * | 2014-09-18 | 2017-05-24 | 新日铁住金株式会社 | Method for manufacturing molded article, mold, and tubular molded article |
| CN206951856U (en) * | 2017-05-05 | 2018-02-02 | 淮北矿业股份有限公司 | A kind of portable manual Multipurpose bending machine |
| CN206951863U (en) * | 2017-05-05 | 2018-02-02 | 淮北矿业股份有限公司 | A kind of hand jack side bend device |
| CN107377698A (en) * | 2017-08-09 | 2017-11-24 | 江苏鹏诚钢构有限公司 | A kind of cold-formed mould of hyperboloid |
| CN107931380A (en) * | 2017-11-28 | 2018-04-20 | 湖南长宏南雁锅炉修理安装有限公司 | Punching press swan neck system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11846613B2 (en) | 2020-12-31 | 2023-12-19 | Bayou Holdco, Inc. | Strain testing rig and method of evaluating strain characteristics of specimen |
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Application publication date: 20200407 |