CN101758119B - Multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof - Google Patents
Multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof Download PDFInfo
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- CN101758119B CN101758119B CN2009101937881A CN200910193788A CN101758119B CN 101758119 B CN101758119 B CN 101758119B CN 2009101937881 A CN2009101937881 A CN 2009101937881A CN 200910193788 A CN200910193788 A CN 200910193788A CN 101758119 B CN101758119 B CN 101758119B
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- 238000005452 bending Methods 0.000 title claims abstract description 42
- 238000000465 moulding Methods 0.000 title claims abstract description 18
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000013003 hot bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The invention relates to multi-cylinder built-up section cold-bending automatic molding equipment and a processing method thereof. The automatic molding equipment of the invention comprises a main press cylinder (10), a main compressing cylinder (3), a left compressing cylinder (5) and a right compressing cylinder (1),a left charging cylinder (7) and a right charging cylinder (8), a foundation (9) and a main rack (4) arranged on the foundation (9), a left rack (6) and a right rack (2), wherein the main compressing cylinder (3) and the left compressing cylinder (5) and the right compressing cylinder (1) are respectively arranged on a main rack (4) and the left rack 6 and the right rack (2); the main rack (4) and the left rack (6) and the right rack (2) are pushed to move corresponding to the main press cylinder (10) and the left charging cylinder (7) and the right charging cylinder (8) are respectively arranged on the foundation (9).The multiple cylinders are positioned by servo control, bending pressure can be adjusted, so that ordered combined motion can be completed, accurate automatic cold-bending molding of various rigid sections. The molding device features compact structure,wide application, reliable operation and practicability, meets requirements on different cold-bending sections and different shapes. The molding device and the processing method in the invention feature convenient operation.
Description
Technical field
The present invention is a kind of multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof that is used for boats and ships, building, bridge, pressure vessel and other structural steelwork, belongs to the renovation technique of section bar cold bending equipment and processing method thereof.
Background technology
In recent years; Owing to need the member demand of cold bending constantly to increase suddenly; Cold bending equipment and technology have obtained fast development; Last stage has been experienced manual hot bending, mechanical type section bar hot bending and clod wash, roller type and has rolled the operation methods of operation such as curved, and cold bending needs large slide force, so adopt hydraulic-driven mostly and use the numerical control control mode in present stage.On bending forming method, developed following main type at present both at home and abroad:
1, multi-mould shaping clod wash: a plurality of moulds are adjusted into required section bar curve with numerical control method; Clamp the section bar two ends then; Stretching makes section bar slightly surpass its yield strength limit to section bar with stretching cylinder, drives the mould motion, and generation roof pressure power is carried out cold bending to section bar.This method shortcoming is that investment is big, and equipment is huge, and the volume that takes up space is big, and is not easy to estimate the section bar springback capacity, and section bar reaches the anticipation shape to be needed to revise repeatedly.
2, cold bending piecemeal promptly after one section clod wash, carries out back one section clod wash again after the feeding feeding is accomplished, be shaped until accomplishing the whole piece section bar.This operation is simpler relatively, and equipment size greatly reduces, and floor space is little.By its clod wash principle, can be divided into four fulcrum clod washes and three fulcrum clod washes.Four fulcrum clod washes are the both sides of clod wash deformation section, and each two fulcrum has applied symmetrical concentrated force, and the moment of flexure of the arbitrary section in the deformation section is a constant at this moment, and shearing force is zero, is the pure bending state.Pure bending is to adopt four fulcrum structures, so equipment mechanism is complicated, control is had relatively high expectations, and feeding speed is slow, and the crooked principle of concentrated force is then adopted in three fulcrum clod washes, adopts three fulcrum structures, and device structure is simple, control easily, and production efficiency is higher.Therefore, three fulcrum clod wash mechanisms have become the type of main application development both at home and abroad at present, but the shortcoming that existing three fulcrum cold bendings equipment exists is a complex structure, and the accuracy of motion is not good enough, is difficult to satisfy clod wash differential profiles and difform requirement.
Summary of the invention
The objective of the invention is to consider the problems referred to above and a kind of processing method of easy to operate multi-cylinder built-up section cold-bending automatic molding equipment is provided.Multi-cylinder built-up section cold-bending automatic molding equipment of the present invention provides the multi-cylinder combination under three fulcrum cold bending technical backgrounds, compact conformation, and motion accurately can be satisfied clod wash differential profiles and difformity requirement, and is rational in infrastructure, convenient and practical.
Technical scheme of the present invention is: the processing method of multi-cylinder built-up section cold-bending automatic molding equipment; Said multi-cylinder built-up section cold-bending automatic molding equipment includes main top-bearing jar, main hold-down cylinder, left and right hold-down cylinder, left and right charging cylinder, base and is installed in mainframe and the left and right frame on the base; Wherein main hold-down cylinder and left and right hold-down cylinder are installed in respectively on mainframe and the left and right frame; Promote mainframe and left and right frame respectively and make the main top-bearing jar and the left and right charging cylinder of the motion of relative base and be installed on the base, processing method comprises the steps:
1) with section bar place left and right hold-down cylinder below, according to the cold bending process requirement, confirm the position of 2 side compression points through one of them feed motion in the left and right charging cylinder, left and right then hold-down cylinder clamps section bar;
2) main subsequently hold-down cylinder is also depressed the main bending point that clamps section bar;
3) carry out feed motion according to main top-bearing jar, promote the main support motion, and, accomplished the pressurize operation of crooked stroke of feeding and bending force by technological requirement the section bar application of force;
4) behind the end of run, promptly realized the bending of the first segment type material;
5) repeat above-mentioned action and then accomplish the automatic clod wash operation of holotype material piecemeal.
Above-mentioned left and right charging cylinder promotes left and right gantry motion through SERVO CONTROL.
Above-mentioned steps 1) three kinds of feeding styles are arranged:
1) feeding separately: the side-to-side movement behind left hold-down cylinder workpiece pressing of left feeding cylinder, this moment, right charging cylinder unclamped, and is same, and right charging cylinder also can be done similar independent feeding action;
2) twin-tub friction feeding: after promptly above-mentioned left feeding cylinder was accomplished feeding action, right feeding cylinder then moved feeding action again, and at this moment, left hold-down cylinder unclamps, and left feeding cylinder is done homing action;
3) the synchronous feeding of twin-tub: promptly left feeding cylinder and right charging cylinder while, equidirectional feeding.
The present invention is owing to adopt the structure of the many holder combination of multi-cylinder, and by the fuselage supporting of many webs box-shaped welded steel structure, multi-cylinder of the present invention is through the SERVO CONTROL location; The equal scalable of crooked pressure is accomplished the orderly combination action of each cylinder, realizes the accurate automatic forming of various section bar three fulcrum clod washes; Multi-cylinder built-up section cold-bending automatic molding equipment compact conformation of the present invention, widely applicable, reliable operation; Convenient and practical, can satisfy clod wash differential profiles and difform requirement.The processing method of multi-cylinder built-up section cold-bending automatic molding equipment of the present invention is easy to operate.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a side view of the present invention.
The specific embodiment
Embodiment:
The structural representation of multi-cylinder built-up section cold-bending automatic molding equipment of the present invention is like Fig. 1, shown in 2; Including main top-bearing jar 10, main hold-down cylinder 3, left and right hold-down cylinder 5,1 and the right side, charging cylinder 7,8, base 9 and be installed in mainframe 4 and the left and right frame 6,2 on the base 9) wherein main hold-down cylinder 3 and left and right hold-down cylinder 5,1 be installed in respectively on mainframe 4 and the left and right frame 6,2, and promote mainframe 4 and left and right frame 6,2 respectively and make the main top-bearing jar 10 and the left and right charging cylinder 7,8 of relative base 9 motions and be installed on the base 9.Above-mentioned main top-bearing jar 10, main hold-down cylinder 3, left and right sides hold-down cylinder 5,1 and left and right sides charging cylinder 7,8 are arranged in the scope of base 9, and shared production space is little.
Angle between the force direction of the force direction of above-mentioned main top-bearing jar 10 and left and right charging cylinder 7,8 is acute angle or obtuse angle.In the present embodiment, the force direction of above-mentioned main top-bearing jar 10 is vertical with the force direction of left and right charging cylinder 7,8.
In the present embodiment, above-mentioned mainframe 4 and left and right frame 6,2 are bearing in base 9 through rail plate.Above-mentioned mainframe 4, base 9 and left and right frame 6,2 are many webs box-shaped welded steel structure.The fuselage good rigidly that many webs box-shaped welded steel structure is formed, mechanism is compact, the huge pushing force that produces when bearing cold bending.
In the present embodiment, above-mentioned main top-bearing jar 10, main hold-down cylinder 3, left and right hold-down cylinder 5,1 and left and right charging cylinder 7,8 all are the integrated structures that sensor, electric-hydraulic proportion inverting element, cylinder body, oil circuit are blended in one.
The processing method of multi-cylinder built-up section cold-bending automatic molding equipment of the present invention, it comprises the steps:
1) with section bar place left and right hold-down cylinder 5,1 below, according to the cold bending process requirement, confirm the position of 2 side compression points through one of them feed motion in the left and right charging cylinder 7,8, left and right then hold-down cylinder 5,1 clamps section bar;
2) main subsequently hold-down cylinder 3 is also depressed the main bending point that clamps section bar;
3) carry out feed motion according to main top-bearing jar 10, promote main support 4 motions, and, accomplished the pressurize operation of crooked stroke of feeding and bending force by technological requirement the section bar application of force;
4) behind the end of run, promptly realized the bending of the first segment type material;
5) repeat above-mentioned action and then accomplish the automatic clod wash operation of holotype material piecemeal.
Above-mentioned left and right charging cylinder 7,8 promotes left and right frame 6,2 motions through SERVO CONTROL.Through SERVO CONTROL, accomplish accurately operation.
Above-mentioned steps 1) three kinds of feeding styles are arranged:
1) feeding separately: the side-to-side movement behind left hold-down cylinder 6 workpiece pressings of left feeding cylinder 7, this moment, right charging cylinder 8 unclamped, and is same, and right charging cylinder 8 also can be done similar independent feeding action; Above-mentioned left and right feeding cylinder the 7, the 8th through electron hydraulic proportional servo control, moves back and forth about generation respectively, driving left and right frame 6,2 motions simultaneously.When left hold-down cylinder 6 clamped section bar, right hold-down cylinder 1 unclamped, and drove left frame 6 reciprocating actions through left feeding cylinder 7, had promptly realized the independent left and right sides feeding feeding of left frame 6, otherwise, also can realize the left and right sides feeding feeding of right frame 2.
2) twin-tub friction feeding: after promptly above-mentioned left feeding cylinder 7 was accomplished feeding action, right feeding cylinder 8 then moved feeding action again, and at this moment, left hold-down cylinder 5 unclamps, and left feeding cylinder 7 is done homing action; Above-mentioned left and right feeding cylinder carries out equidirectional feeding action in turn, then feeding campaign be continuous and about the high speed feeding.
3) the synchronous feeding of twin-tub: promptly left feeding cylinder 7 and right 8 whiles of charging cylinder, equidirectional feeding.
All can adjusting of the stroke (step-length) of the above-mentioned each feeding of frame apart from length and direction; The position of two fulcrums when being the left and right sides hold-down cylinder clamping section bar on the frame of the left and right sides is arbitrarily; Thereby, very adapt to three fulcrum cold bending processes neatly, reach the purpose that section bar accurately is shaped.
Claims (3)
1. the processing method of a multi-cylinder built-up section cold-bending automatic molding equipment; Said multi-cylinder built-up section cold-bending automatic molding equipment includes main top-bearing jar (10), main hold-down cylinder (3), left and right hold-down cylinder (5,1), left and right charging cylinder (7,8), base (9) and is installed in mainframe (4) and the left and right frame (6,2) on the base (9); Wherein main hold-down cylinder (3) and left and right hold-down cylinder (5,1) are installed in respectively on mainframe (4) and the left and right frame (6,2); Promote mainframe (4) and left and right frame (6,2) respectively and make the main top-bearing jar (10) and the left and right charging cylinder (7,8) of relative base (9) motion and be installed on the base (9), it is characterized in that processing method comprises the steps:
1) with section bar place left and right hold-down cylinder (5,1) below, according to the cold bending process requirement, confirm the position of 2 side compression points through one of them feed motion in the left and right charging cylinder (7,8), left and right sides hold-down cylinder (5,1) clamps section bar then;
2) main subsequently hold-down cylinder (3) is also depressed the main bending point that clamps section bar;
3) carry out feed motion according to main top-bearing jar (10), promote main support (4) motion, and, accomplished the pressurize operation of crooked stroke of feeding and bending force by technological requirement the section bar application of force;
4) behind the end of run, promptly realized the bending of the first segment type material;
5) repeat above-mentioned action and then accomplish the automatic clod wash operation of holotype material piecemeal.
2. the processing method of section bar clod wash equipment according to claim 1 is characterized in that above-mentioned left and right charging cylinder (7,8) promotes left and right frame (6,2) motion through SERVO CONTROL.
3. the processing method of section bar clod wash according to claim 2 equipment is characterized in that above-mentioned steps 1) three kinds of feeding styles are arranged:
1) feeding separately: left feeding cylinder (7) side-to-side movement behind left hold-down cylinder (6) workpiece pressing, right charging cylinder this moment (8) unclamps, and is same, and right charging cylinder (8) also can be done similar independent feeding action;
2) twin-tub friction feeding: after promptly above-mentioned left feeding cylinder (7) was accomplished feeding action, right feeding cylinder (8) then moved feeding action again, and at this moment, left hold-down cylinder (5) unclamps, and left feeding cylinder (7) is done homing action;
3) the synchronous feeding of twin-tub: promptly left feeding cylinder (7) and right charging cylinder (8) simultaneously, equidirectional feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101937881A CN101758119B (en) | 2009-11-10 | 2009-11-10 | Multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101937881A CN101758119B (en) | 2009-11-10 | 2009-11-10 | Multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof |
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| Publication Number | Publication Date |
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| CN101758119A CN101758119A (en) | 2010-06-30 |
| CN101758119B true CN101758119B (en) | 2012-03-21 |
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| CN2009101937881A Expired - Fee Related CN101758119B (en) | 2009-11-10 | 2009-11-10 | Multi-cylinder built-up section cold-bending automatic molding equipment and processing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102284501A (en) * | 2011-08-02 | 2011-12-21 | 太原重工股份有限公司 | Three-roller continuous pipe rolling mill unit and combined base thereof |
| CN105083984B (en) * | 2015-08-28 | 2017-08-08 | 风范绿色建筑（常熟）有限公司 | One kind clamps feed system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2193129A (en) * | 1986-07-08 | 1988-02-03 | Schiffbau Veb K | Method for controlling and monitoring profile re-shaping |
| US4796449A (en) * | 1985-12-30 | 1989-01-10 | Societe Nouvelle Des Ateliers Et Chantiers Du Havre | Automatically controlled machine for rolling metal sheets |
| CN2183836Y (en) * | 1994-01-31 | 1994-11-30 | 林语堂 | Metal frame bending machine |
| CN1990133A (en) * | 2005-12-30 | 2007-07-04 | 上海船舶工艺研究所 | Machining apparatus for digital control rib cold bending machining and products produced thereby |
| CN201693035U (en) * | 2009-11-10 | 2011-01-05 | 佛山市禅城区永恒液压机械有限公司 | Section bar cold bend automatic forming equipment |
-
2009
- 2009-11-10 CN CN2009101937881A patent/CN101758119B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4796449A (en) * | 1985-12-30 | 1989-01-10 | Societe Nouvelle Des Ateliers Et Chantiers Du Havre | Automatically controlled machine for rolling metal sheets |
| GB2193129A (en) * | 1986-07-08 | 1988-02-03 | Schiffbau Veb K | Method for controlling and monitoring profile re-shaping |
| CN2183836Y (en) * | 1994-01-31 | 1994-11-30 | 林语堂 | Metal frame bending machine |
| CN1990133A (en) * | 2005-12-30 | 2007-07-04 | 上海船舶工艺研究所 | Machining apparatus for digital control rib cold bending machining and products produced thereby |
| CN201693035U (en) * | 2009-11-10 | 2011-01-05 | 佛山市禅城区永恒液压机械有限公司 | Section bar cold bend automatic forming equipment |
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| CN101758119A (en) | 2010-06-30 |
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Granted publication date: 20120321 Termination date: 20191110 |