CN104942103A - Metal tube forming method and device - Google Patents
Metal tube forming method and device Download PDFInfo
- Publication number
- CN104942103A CN104942103A CN201510251692.1A CN201510251692A CN104942103A CN 104942103 A CN104942103 A CN 104942103A CN 201510251692 A CN201510251692 A CN 201510251692A CN 104942103 A CN104942103 A CN 104942103A
- Authority
- CN
- China
- Prior art keywords
- passage
- taper sheath
- roll
- metal tube
- lower shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000013000 roll bending Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 3
- 230000007704 transition Effects 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a method and a device for forming a metal tube, and belongs to the technical field of sheet metal forming. The method adopts a mixed forming mode combining roll bending forming and conical sleeve forming, and the device comprises the following steps: the device comprises a transmission mechanism, a roll bending mechanism and a conical sleeve mechanism. The forming process of the metal tube is divided into two parts: the method comprises the following steps of firstly, carrying out U-shaped bending on a plate by a roll bending mechanism, then continuously bending the plate into a tubular shape by a conical sleeve mechanism, and welding the plate into a metal tube on line after the forming is finished. The forming device has the advantages of small volume, simple structure, low cost, high forming efficiency and the like.
Description
Technical field
The present invention relates to sheetmetal field shaping technique, particularly relate to a kind of thin metallic tubd forming method.
Background technology
Along with the development of industrial technology; the advantage such as thin-wall metal tubular construction superiority because its quality is light, materials are few, on appearance and stress performance; be widely used in a lot of engineering projects; as pipeline, Thermal Equipment, mechanical industry, container, chemical industry and specific use etc., and the demand of metal tube is also going up year by year.The main method of current production metal tube has roll bending formation, punch forming and drawing shaping.
Roll bending formation is the most common methods of producing metal pipe material, it is that to carry out progressive continuous bend by paired horizontal roll group and edger roll group to sheet metal strip shaping, until closed, then closed tubing is welded into, and after sizing truing and aligning are carried out to the tubing after welding, finally become qualified product.Roll bending formation is a kind of sheetmetal moulding process efficiently, has production efficiency high, material-saving, the advantage such as energy-conservation, and be suitable for producing in enormous quantities, its shortcoming is that occupation area of equipment is large, equipment and mould input cost high.
The shaping processing being usually used in seamless steel pipe of drawing, also for the pipe after roll-forming is processed into profiled metal tubing, is characterized in that equipment and mold cost is low, production efficiency and stock utilization low, be only suitable for small lot batch manufacture.
The method that the present invention combines by adopting roll bending formation and taper sheath moulding process, makes sheet metal can be continuously shaped, has production efficiency high, stock utilization is high, and shaping passage is few, facility compact, the advantages such as floor space is little, low, the applicable production in enormous quantities of equipment and mold cost.
Summary of the invention
The object of this invention is to provide a kind of efficient, convenient, province's material, the high accuracy taper sheath metal tube mixed-forming device of comprehensive roll bending formation technique and taper sheath technique.
The object of the invention is to be realized by following technology:
Metal tube shaped device of the present invention, to comprise in gear wheel, pinion, upper axle (driven shaft), lower shaft (driving shaft), taper sheath support plate, the first passage lower shaft roll, the first passage in axle roll, the second passage lower shaft roll, the second passage axle roll, taper sheath device first passage taper sheath mould, taper sheath device second passage taper sheath mould, taper sheath device the 3rd passage taper sheath mould in axle roll, the 3rd passage lower shaft roll, the 3rd passage.
In described roll bending achievement mechanism, the upper and lower axle of different passage is meshed by large and small gear and realizes synchronous rotary, makes the run-in synchronism of axle topping roll to realize the U-shaped moulding process of roll bending, described gear driven lower shaft active, and upper axle is driven;
Described taper sheath mechanism is by taper sheath support plate, and the taper sheath mould of different passage, briquetting and relevant criterion part are formed, and mainly complete U-shaped sheet metal subsequent forming process;
Described transition transmission mechanism is by transition gear axle and bearing fit, outer cover transition drive socket and transition transmission transparent cover, and gear shaft has screw thread side fastening by round nut.
Detailed description of the invention
As seen from the above technical solution provided by the invention, forming process is A, B, C tri-steps:
A. motor driving force is transferred to roll bending formation mechanism by decelerator, shaft coupling and transition apparatus by described device;
B. described gear drives main shaft to rotate by transition apparatus, and described upper axle and lower shaft realize synchronous rotary by described gears meshing, make described roll realize the U-shaped bending stage of metal tube in pairs, as Tu6Shi roll bending mechanism milling train schematic top plan view;
C. being fixed on the taper sheath mould on taper sheath support plate described in continues bending by the U-shaped cross section section bar of roll bending mechanism, closed, forms the metal tube closed, as Tu7Shi taper sheath mechanism graphics.
accompanying drawing illustrates:
Fig. 1 is metal tube shaped device graphics of the present invention;
Fig. 2 is the structural representation-left view of metal tube shaped device of the present invention;
Fig. 3 is the structural representation-front view of metal tube shaped device of the present invention;
Fig. 4 is the structural representation-right view of metal tube shaped device of the present invention;
Fig. 5 is the structural representation-top view of metal tube shaped device of the present invention;
Fig. 6 is metal tube shaped device roll bending formation mechanism of the present invention schematic diagram;
Fig. 7 is metal tube shaped device roll bending formation mechanism of the present invention top and bottom rolls schematic diagram;
Fig. 8 is metal tube shaped device taper sheath mechanism of the present invention schematic three dimensional views;
Fig. 9 is the taper sheath mould schematic three dimensional views of metal tube shaped device taper sheath mechanism first of the present invention passage;
Figure 10 is the taper sheath mould two-dimensional representation of metal tube shaped device taper sheath mechanism first of the present invention passage.
In figure: 1-servomotor, 2-hexagon socket head cap screw, 3-decelerator, 4-support, 5-shaft coupling, 6-hexagon socket head cap screw, 7-transition transmission mechanism transparent cover, 8-upper axle (driven shaft), 9-hex bolts, 10-boatswain chair, 11-bearing block, 12-hexagon socket head cap screw, 13-bearing, 14-bearing (ball) cover, 15-bearing block, 16-lower shaft (driving shaft), 17-cushion block, 18-screw rod, 19-nut, 20-taper sheath boatswain chair, 21-taper sheath support plate, 22-gear wheel, 23-round nut, 24-pinion, 25-round nut, 26-support plate, 27-interior hexagonal double-ended bolt, 28-29-base plate, 30-nut, 31---lathe bed, 32-the first passage bottom roll, 33-the first passage topping roll 34-the second passage bottom roll, 35-the second passage topping roll, 36-the three passage bottom roll, 37-the three passage topping roll, 38-taper sheath device first passage mould, 39-taper sheath device second passage mould, 40-taper sheath device the 3rd passage mould.
Claims (7)
1. a metal tube shaped device, as Fig. 1, 2, 3, 4, comprise gear wheel (22), pinion (24), upper axle (driven shaft) (8), lower shaft (driving shaft) (16), taper sheath support plate (21), first passage lower shaft roll (32), axle roll (33) in first passage, second passage lower shaft roll (34), axle roll (35) in second passage, 3rd passage lower shaft roll (36), axle roll (37) in 3rd passage, taper sheath device first passage taper sheath mould (38), taper sheath device second passage taper sheath mould (39), taper sheath device the 3rd passage taper sheath mould (40), it is characterized in that A, B, C tri-steps:
A. motor driving force is transferred to roll bending formation mechanism by decelerator (3), shaft coupling (5) and transition apparatus (7) by described device;
B. described gear (22) drives main shaft to rotate by transition apparatus (7), described upper axle (8) and lower shaft (16) are engaged by described gear (22,24 etc.) and realize synchronous rotary, make described roll (32,33), (34,35), (36,37) realize the U-shaped bending stage of metal tube in pairs;
C. being fixed on the taper sheath mould (39,39,40) on taper sheath support plate (21) described in continues bending, closed by the U-shaped cross section section bar of roll bending mechanism, form the metal tube closed.
2. device according to claim 1, it is characterized in that, servomotor (1) provides driving force, transmission device is made up of decelerator (3), shaft coupling (5) and transition apparatus (7) three part, device entirety adopts the kind of drive that lower shaft drives, upper axle is driven, by gear transmission power between passage.
3. device according to claim 1, it is characterized in that, roll bending mechanism is made up of upper axle (8), lower shaft (16), different passage roll (32,33,34,35,36,37) and associated satellite part and standard component, mainly complete the U-shaped BENDING PROCESS of metal tube, this process divides three passages to complete, angle of bend increases gradually, and passage spacing is tight.
4. device according to claim 1, it is characterized in that, immediately following taper sheath mechanism after roll bending mechanism, taper sheath mechanism is by taper sheath support plate (21), the taper sheath mould (38,39,40) of different passage, briquetting and relevant criterion part are formed, mainly complete metal tube forming process, shaping rear product can direct-on-line welding.
5. device according to claim 2, transition transmission mechanism is by transition gear axle and bearing fit, and accessory has transition drive socket and transition transmission transparent cover (7).
6. device according to claim 3, for the first passage lower shaft, in shafting structure, lower shaft (16) two ends and bearing fit are fixed on support plate (26), dress roller segment answers roll with flat key Stationary liquid, has bearing block (11), bearing (ball) cover (14) in addition fastening with hexagon socket head cap screw outside bearing.
7. device according to claim 4, for the first passage taper sheath mould, as Fig. 6, taper sheath die orifice shape is circular, and two round end slotted eyes of the mould left and right sides are used for construction bolt, simultaneously for regulating taper cover die hole height
,bolt above frame and briquetting also play the effect of fixing taper mold position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510251692.1A CN104942103A (en) | 2015-05-18 | 2015-05-18 | Metal tube forming method and device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510251692.1A CN104942103A (en) | 2015-05-18 | 2015-05-18 | Metal tube forming method and device |
Publications (1)
Publication Number | Publication Date |
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CN104942103A true CN104942103A (en) | 2015-09-30 |
Family
ID=54157462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510251692.1A Pending CN104942103A (en) | 2015-05-18 | 2015-05-18 | Metal tube forming method and device |
Country Status (1)
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CN (1) | CN104942103A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107052078A (en) * | 2017-06-23 | 2017-08-18 | 河南明睿达机械制造有限公司 | Bundy tube ratio-frequency welded tube unit |
-
2015
- 2015-05-18 CN CN201510251692.1A patent/CN104942103A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107052078A (en) * | 2017-06-23 | 2017-08-18 | 河南明睿达机械制造有限公司 | Bundy tube ratio-frequency welded tube unit |
CN107052078B (en) * | 2017-06-23 | 2018-12-07 | 河南明睿达机械制造有限公司 | The effective high-frequency welding tube mill group of Bandaid |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150930 |
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WD01 | Invention patent application deemed withdrawn after publication |