CN106424218B - A kind of continuous set round equipment of tubing roll-type and processing method - Google Patents
A kind of continuous set round equipment of tubing roll-type and processing method Download PDFInfo
- Publication number
- CN106424218B CN106424218B CN201611012316.8A CN201611012316A CN106424218B CN 106424218 B CN106424218 B CN 106424218B CN 201611012316 A CN201611012316 A CN 201611012316A CN 106424218 B CN106424218 B CN 106424218B
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- Prior art keywords
- tubing
- set round
- chain
- strong
- hole
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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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
-
- 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
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- 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
- B21D43/026—Combination of two or more feeding devices provided for in B21D43/04 - B21D43/18
-
- 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
Abstract
A kind of continuous set round equipment of tubing roll-type and processing method, its equipment include set round machine and feed mechanism, and its feed mechanism includes Power Component, chain, push pedal component and feeding support roller；Set round owner will include frame, sliding block, hydraulic cylinder, upper and lower transfer roller, drive device, hydraulic system and digital control system.The processing method of the present invention：According to the position that set round machine up-down rollers are adjusted by strong tubing；It will be placed in by strong tubing on feed mechanism, and open motor, drive chain operation, under feeding support roller and the collective effect of push pedal, set round machine is entered by strong tubing successively by one end；By part of the strong tubing in set round machine, by each transfer roller extruding both circumferentially each section repeatedly alternately experience forward and reverse bending, finally all come out by strong tubing together with supporting plate through two frames from set round machine, new is sent on another set of feed mechanism again by strong tubing, repeats said process.Product Precision that the present invention processes is high, production efficiency is high.
Description
The present invention relates to a kind of machining process, particularly a kind of tubing set round process for technical field.
Background technology is with the development of the industries such as petrochemical industry, Aero-Space, ship, not only to veneer reeling machine roll bending ability
Higher requirement is proposed with scope, and the also more and more higher of the requirement to roll bending precision.At present, any veneer reeling machine (two rollers, three
Roller or four-roller) shaping after tubing have the following disadvantages：(1) tubing section is not positive round；(2) there is certain length in plate end
Straight section (or pre- bight portion is different from roll bending part curvature), tubing weld is caused to occur that " being inside in a pout " or " being in a pout outside " is existing
As；(3) it is open after tubing welds and larger residual stress is present, influences performance.So need follow-up set round aided process
The circularity in tubing section is improved, reduces residual stress.Set round mode mainly connects rear tubing using traditional veneer reeling machine butt welding and entered at present
The thick set round of row, depends on the experience of worker unduly, and due to the limitation of veneer reeling machine structure, cause low production efficiency, Product Precision
It is not high.
The content of the invention it is an object of the invention to provide a kind of efficient, continuous set round equipment of high-precision tubing roll-type and
Processing method.
The equipment of the present invention mainly includes set round machine and feed mechanism.Wherein, feed mechanism mainly includes Power Component, chain
Bar, push pedal component and feeding support roller.Wherein, the motor in Power Component is connected by shaft coupling with reductor, reductor
Output end is connected with drive sprocket, and the drive sprocket is connected with the driven sprocket set in the same horizontal line by chain, and
The distance between drive sprocket and driven sprocket are more than by the length of strong tubing.At least two sets of push pedal components are provided with chain,
And the chain length often covered between push pedal component is equal.The push pedal component has trident corresponding with central rack through hole to support
Plate, each of which are pitched and respectively set a pair of bearing, and a short axle is respectively set in each pair bearing block, an axle is set outside every short axle
Set, the external diameter of best axle sleeve is stepped, to adapt to the tubing of different-diameter.One fork end of the trident supporting plate is provided with
The connecting plate being vertically connected with trident supporting plate, the connection plate shape is identical with chain section, and two through holes thereon lead to respectively
Hinge is crossed with adjacent chain section to be connected.Three short axle its axis in the trident supporting plate intersect at a point, the point position
On by the axis of strong tubing, while the minor axis on non-two forks for setting connecting plate is to set on the branch of connecting plate fork again
Minor axis is symmetrical.Feeding support roller is separately discontinuously provided with chain, the feeding support roller bottom is provided with and trident branch
Set connecting board structure identical feeding connecting plate, the feeding connecting plate pass through hinge and adjacent chain section phase below fagging
Even, feeding support roller top is bearing, is provided with rotating shaft in it.On the track of chain operation, the position for being preferably close to sprocket wheel is set
There is set round machine.Set round owner will include frame, sliding block, hydraulic cylinder, upper and lower transfer roller, drive device, hydraulic system and numerical control system
System.Wherein, fix two vertical relative frames on chassis, in each frame middle part respectively set one it is corresponding with trident supporting plate
Through hole, set a through hole above the through hole, it is with the face at excessively upper through hole center to set two bar holes and following two bar hole below
To be symmetrical, wherein upper through hole can be circular hole, make to be located at the upper roller position in it and fix, upper through hole can also be center line in perpendicular
Straight bar hole, upper roller is set to realize that vertical direction is adjusted；Two lower through-holes are that above through hole center line is symmetrical bar hole, its
It can be horizontal bar hole, two lower rolls is realized Level tune or slanted bar hole, two lower rolls is realized tilt adjustment.Institute
State and a sliding block is respectively set in each hole, each sliding block is respectively connected with a hydraulic cylinder piston rod, and the hydraulic cylinder body is fixed on
In frame, the hydraulic cylinder is connected with hydraulic system respectively, and the hydraulic system is connected with digital control system again.In each sliding block
One end of a transfer roller is respectively equipped with heart through hole, the transfer roller that both end of which is located in two frames in two through hole is upper roller, separately
Two transfer rollers for having both ends to be located in two frames in two holes are lower roll, and the working portion at least entrance point of upper and lower transfer roller
Profile is the truncated cone.One end of three transfer rollers at least one is provided with drive device, the drive device and digital control system phase
Even.
If when upper roller and lower roll insufficient rigidity, backing roll is set on the outside of each transfer roller.
The processing method of the present invention is specific as follows：
1st, according to the position that set round machine up-down rollers are adjusted by the external diameter of strong tubing；
2nd, set round machine is opened, will be placed in by strong tubing on feed mechanism, and the motor for the component that turns on the power, drive chain to be transported
Turn, under feeding support roller and the collective effect of push pedal component, set round machine is entered by strong tubing successively by one end；
3rd, the part by strong tubing in set round machine, extruded by each up-down rollers and also circumferentially turned under up-down rollers drive simultaneously
It is dynamic, circumferential each section repeatedly alternately experience forward and reverse bending, finally all by strong tubing together with trident supporting plate
Come out through two frames from set round machine, be then removed；
4th, period chain is ceaselessly being run, and new is sent on another set of push pedal component again by strong tubing, is repeated above-mentioned
Process.
The present invention operation principle approximately as：When being contacted by strong tubing with transfer roller, because the roller shape of entrance point is in cut
It is tapered, it can not only make to be rectified between tubing conveniently enters transfer roller, and realize the radial loaded to tubing simultaneously.By strong tubing
By the pressure that they apply between each transfer roller, elastic-plastic deformation is then occurred by strong tubing section, wherein being contacted with transfer roller
Regional area be recurvation area (curvature reduction), the tube portions region between transfer roller is Zheng Wan areas (curvature increase), under transfer roller
Drive roll rotates while pressure, is driven in the presence of frictional force and by strong tubing circumferentially rotates a few, by circumferentially each section of strong tubing
Face repeatedly alternately undergoes positive bending and back-flexing；In the process, by strong tubing under the drive of feeding material component it is continuous
Pass through set round machine, the set round process of whole tubing of completion.
The present invention has advantages below compared with prior art：
1st, all transfer rollers are placed in outside tubing during set round, such set round equipment need not turn over cylinder assembly, be filled in feeding
Under the drive put, the complexity for by strong tubing, not only reducing set round process operation, Er Qieke easily can be sent into and taken out
With continuous set round, set round efficiency is greatly increased.
2nd, for by strong tubing specification it is identical when, the length of relay roller of the present invention is less than by strong tubing, relative to traditional
The length of its roller of set round is small, and its rigidity is bigger.And can be that each roller sets backing roll, so as to carry when insufficient rigidity
High roller rigidity, the set round ability of set round equipment can be greatly improved；However, upper roller is placed in pipe by traditional veneer reeling machine set round method
Inside material, backing roll can not be set when pipe diameter is smaller.So breach the defects of traditional veneer reeling machine set round structure.
3rd, due to the change of up-down rollers both ends roll shape, up-down rollers need not be adjusted during set round to same size pipe
Position, you can realize the purpose for applying displacement load to tubing, significantly reduce the complexity of processing technology.
4th, it is smaller relative to traditional its tonnage of set round machine the invention belongs to tubing part set round.
5th, the present invention is especially suitable for major diameter is bigger, the less tubing of radius-thickness ratio.
Brief description of the drawings
Fig. 1 is the main view schematic diagram of present device.
Fig. 2 is the Power Component main view schematic diagram of present device.
Fig. 3 is the push pedal component main view schematic diagram of present device.
Fig. 4 is that the push pedal components side of present device regards simplified schematic diagram.
Fig. 5 is present device set round machine main view schematic diagram.
Fig. 6 is Fig. 5 A-A views.
Fig. 7 is view of the present device frame with trident supporting plate with together with.
Fig. 8 is three roller set round principle side view simplified schematic diagrams of the invention.
Fig. 9 is one of three roller set round structure types of the invention side view simplified schematic diagram.
Figure 10 is two side view simplified schematic diagrams of three roller set round structure types of the invention.
Figure 11 is three side view simplified schematic diagrams of three roller set round structure types of the invention.
Figure 12 is the side view simplified schematic diagram of transfer roller peripheral hardware support roller of the present invention.
In figure：1. by roll driving apparatus, 6. times roll driving apparatus, 7. on strong tubing, 2. upper rollers, 3. lower rolls, 4. frames, 5.
Hydraulic system, 8. digital control systems, 9. chassis, 10. oil cylinders, 11. sliding blocks, 12. backing rolls, 13. sleeves, 14. short axles, 15. bearings
Support roller, 20. drive sprockets, 21 push pedal groups are fixed in seat, 16. trident supporting plates, 17. chains, 18. feeding support rollers, 19.
Part, 22. driven sprockets, 23. reductors, 24. shaft couplings, 25. motor, 26. connecting plates.
Embodiment
In the main view schematic diagram of the continuous set round equipment of tubing roll-type shown in Fig. 1, equipment of the invention mainly includes
Set round machine and feed mechanism.Wherein, the motor 25 in feed mechanism Power Component is connected by shaft coupling 24 with reductor 23,
Output end of reducer is connected with drive sprocket 20, as shown in Fig. 2 the drive sprocket is with setting driven sprocket in the same horizontal line
22 are connected by chain 17, and the distance between drive sprocket and driven sprocket are more than by the length of strong tubing 1.On chain
Provided with two sets of push pedal components 21, and the chain length often covered between push pedal component is equal.In the push pedal component shown in Fig. 3 and Fig. 4
In simplified schematic diagram, push pedal component has trident supporting plate 16 corresponding with central rack through hole, and a pair of axles are respectively set on each of which fork
Bearing 15, a short axle 14 is respectively set in each pair bearing block, the axle sleeve 13 that an external diameter is stepped is set outside every short axle.Should
One fork end of trident supporting plate is provided with the connecting plate 26 being vertically connected with trident supporting plate, the connection plate shape and chain
Bar section is identical, and two through holes thereon are connected by hinge with adjacent chain section respectively.Three in the trident supporting plate
Its axis of root short axle intersects at a point, and the point is located at by the axis of strong tubing, while short on non-two forks for setting connecting plate
Axle axis is that the minor axis pitched using setting the branch of connecting plate is symmetrical again.Feeding support roller is separately discontinuously provided with chain
18, the feeding support roller bottom be provided with connecting board structure identical feeding connecting plate set below trident supporting plate, should
Feeding connecting plate is connected by hinge with adjacent chain section, and feeding support roller top is bearing, is provided with rotating shaft in it.In chain
On the track of operation, and the position for being close to sprocket wheel is provided with set round machine.It is fixed on the set round machine chassis 9 in Fig. 5, Fig. 6 and Fig. 7
Two vertical relative frames 4, middle part respectively sets a through hole corresponding with trident supporting plate in each frame, above the through hole
If a bar hole, set two bar holes below and following two bar hole be using the face for crossing winding hole center be symmetrical, wherein going up through hole
It is that center line is in vertical bar hole, two lower through-holes are that above through hole center line is symmetrical slanted bar hole, in each bar
A sliding block 11 is respectively set in hole, each sliding block is respectively connected with a piston rod of hydraulic cylinder 10, and the hydraulic cylinder body is fixed on frame
On, the hydraulic cylinder is connected with hydraulic system 7 respectively, and the hydraulic system is connected with digital control system 8 again.At the center of each sliding block
One end of a transfer roller is respectively equipped with through hole, the transfer roller that both end of which is located in two frames in two vertical bar holes is upper roller 2,
Another two transfer rollers for having both ends to be located in two frames in two slanted bar holes are lower roll 3, and the working portion both ends of upper and lower transfer roller
Profile is the truncated cone.One end that three transfer rollers respectively have one is provided with drive device 5,6, the drive device and digital control system phase
Even.
Example 1
By the external diameter 150mm of strong tubing 1, wall thickness 3mm, mechanical properties of tubular goods is：Modulus of elasticity 210GPa, yield limit
302MPa, plastic modulus 2160MPa, Poisson's ratio 0.3.It is 3.5% by strong tubing fitted ellipse degree.Three axles of the present embodiment
The parallel transfer roller of line, upper roller 2 and two diameters of lower roll 3 are 55mm, and difference can be in 12 o'clock, 4 o'clock and 8 o'clock direction straight line
Move back and forth, the intersection point of three direction of motion is origin O.According to the position that set round machine up-down rollers are adjusted by the external diameter of strong tubing
Put；Set round machine is opened, will be placed in by strong tubing on feed mechanism, and the motor for the component that turns on the power, drive chain operation, and sent
Expect under support roller and the collective effect of push pedal component, set round machine is entered by strong tubing successively by one end；Rectified by strong tubing
Part in circular knitting machine, extruded by each up-down rollers and also circumferentially rotated simultaneously under up-down rollers drive, circumferential each section repeatedly replaces
Undergo forward and reverse bending, as shown in figure 8, it is last all passed through by strong tubing together with trident supporting plate two frames from
Set round machine is come out, and it is first ridden in fixed support roller 19, is then ridden over again on feeding roller 20, when by strong tubing all from set round machine
In out after be removed；Period chain is ceaselessly being run, and new is sent on another set of push pedal component again by strong tubing, is repeated
Said process.
Example 2
It is essentially identical with example 1, and simply two in frame lower through-hole is that above through hole center line is symmetrical water
Riglet hole, and upper roller is not set the driven voller of drive device, as shown in Figure 9.
Example 3
It is essentially identical with example 1, and simply two in frame lower through-hole is that above through hole center line is symmetrical oblique
Bar hole, and upper roller is not set the driven voller of drive device, as shown in Figure 10.
Example 4
It is essentially identical with example 1, and simply the upper through hole in frame is circular hole, and upper roller be do not set drive device from
Dynamic roller, two lower through-holes are that above through hole center line is symmetrical slanted bar hole, as shown in figure 11.
Example 5
When 3 insufficient rigidity of upper roller 2 and lower roll, then backing roll 12 is set for each transfer roller, as shown in figure 12.
Claims (5)
1. a kind of continuous set round equipment of tubing roll-type, including set round machine and feed mechanism, motor in Power Component with actively
Sprocket wheel is connected, and the drive sprocket is connected with the driven sprocket set in the same horizontal line by chain, and drive sprocket and from
The distance between movable sprocket is more than by the length of strong tubing, at least two sets of push pedal components is provided with chain, and often cover push pedal group
Chain length between part is equal, and feeding support roller is separately discontinuously provided with chain, is provided with and rectifys on the track of chain operation
Circular knitting machine, fixes two vertical relative frames on the set round machine chassis, and middle part respectively sets one and supported with trident in each frame
Through hole corresponding to plate, a vertical bar hole is set above the through hole, it is with mistake to set two slanted bar holes and following two slanted bar hole below
The face at upper vertical bar hole center be symmetrical, and a sliding block is each respectively set in bar hole described, each sliding block respectively with a hydraulic cylinder
Piston rod is connected, and the hydraulic cylinder body is fixed in frame, and the hydraulic cylinder is connected with hydraulic system respectively, and the hydraulic system is again
It is connected with digital control system, one end of a transfer roller is respectively equipped with the central through hole of each sliding block, both end of which is located at two frames
A transfer roller in upper vertical bar hole is upper roller, and two transfer rollers for separately having both ends to be located in two frames in two slanted bar holes are lower roll,
One end of three transfer rollers at least one is provided with drive device, and the drive device is connected with digital control system, it is characterised in that：
Push pedal component has trident supporting plate corresponding with central rack through hole, and a pair of bearing, each pair bearing are respectively set on each of which fork
A short axle is respectively set in seat, an axle sleeve is set outside every short axle, a fork end of the trident supporting plate is provided with and three
The connecting plate that fork-shaped supporting plate is vertically connected, the connection plate shape is identical with chain section, and two through holes thereon pass through hinge respectively
Chain is connected with adjacent chain section, and three short axle its axis in the trident supporting plate intersect at a point, and the point is located at quilt
On the axis for rectifying tubing, while the minor axis on non-two forks for setting connecting plate is to set the short axle on the branch of connecting plate fork again
Axis is symmetrical.
2. the continuous orthopedic equipment of tubing roll-type according to claim 1, it is characterised in that：Upper and lower three transfer roller entrance points one
One section of section and the port of export are in the truncated cone bodily form.
3. the continuous set round equipment of tubing roll-type according to claim 1 or 2, it is characterised in that：Feeding support roller bottom is set
Have and pass through hinge and phase with connecting board structure identical feeding connecting plate set below trident supporting plate, the feeding connecting plate
Adjacent chain section is connected, and feeding support roller top is bearing, is provided with rotating shaft in it.
4. the continuous set round equipment of tubing roll-type according to claim 3, it is characterised in that：Slanted bar is replaced with horizontal bar hole
Hole.
5. the processing method of the continuous set round equipment of tubing roll-type of usage right requirement 1, it is characterised in that：
(1) according to the position that set round machine up-down rollers are adjusted by the external diameter of strong tubing；
(2) set round machine is opened, will be placed in by strong tubing on feed mechanism, and the motor for the component that turns on the power, drive chain operation,
Under feeding support roller and the collective effect of push pedal component, set round machine is entered by strong tubing successively by one end；
(3) part by strong tubing in set round machine, extruded by each up-down rollers and also circumferentially rotated simultaneously under up-down rollers drive, week
Positive bending and back-flexing are repeatedly alternately undergone to each section, is finally all worn by strong tubing together with trident supporting plate
Cross two frames to come out from set round machine, be then removed；
(4) chain is ceaselessly run, and new is sent on another set of push pedal component again by strong tubing, repeats said process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012316.8A CN106424218B (en) | 2016-11-17 | 2016-11-17 | A kind of continuous set round equipment of tubing roll-type and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012316.8A CN106424218B (en) | 2016-11-17 | 2016-11-17 | A kind of continuous set round equipment of tubing roll-type and processing method |
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| Publication Number | Publication Date |
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| CN106424218A CN106424218A (en) | 2017-02-22 |
| CN106424218B true CN106424218B (en) | 2018-04-03 |
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| CN201611012316.8A Active CN106424218B (en) | 2016-11-17 | 2016-11-17 | A kind of continuous set round equipment of tubing roll-type and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107537885B (en) * | 2017-10-11 | 2023-06-02 | 湘潭华进重装科技股份有限公司 | Multifunctional intelligent shape correction device for metal pipe |
| CN107552604A (en) * | 2017-10-18 | 2018-01-09 | 芜湖新兴铸管有限责任公司 | A kind of cast iron pipe fittings set round machine |
| CN111375644B (en) * | 2019-11-13 | 2022-06-03 | 中盐内蒙古化工钠业有限公司 | Guide mechanism for sodium rod extrusion molding machine |
| CN113828655B (en) * | 2021-09-24 | 2022-08-12 | 燕山大学 | Three-roller type rounding method and device for pipe end of large pipe fitting |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87200790U (en) * | 1987-02-04 | 1988-03-16 | 电子工业部第十二研究所 | Single-roller froup and convex and concave type three-roller straightening machine for thin-wall tabe |
| CN2402415Y (en) * | 1999-08-05 | 2000-10-25 | 王桂信 | Steel pipe straightener |
| CN201046473Y (en) * | 2007-04-29 | 2008-04-16 | 中煤邯郸煤矿机械有限责任公司 | Adjustable three-roller flattener |
| CN101279336A (en) * | 2008-05-20 | 2008-10-08 | 太原市通泽成套设备有限公司 | Three-roller flattening machine |
| KR100991537B1 (en) * | 2009-08-18 | 2010-11-04 | 황영하 | Pipe straightening device |
| CN105598214B (en) * | 2015-12-21 | 2017-12-15 | 太原重工股份有限公司 | A kind of straight roll-type tube straightener for pipe and method for aligning |
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