CN107052078A - Bundy tube ratio-frequency welded tube unit - Google Patents
Bundy tube ratio-frequency welded tube unit Download PDFInfo
- Publication number
- CN107052078A CN107052078A CN201710488850.4A CN201710488850A CN107052078A CN 107052078 A CN107052078 A CN 107052078A CN 201710488850 A CN201710488850 A CN 201710488850A CN 107052078 A CN107052078 A CN 107052078A
- Authority
- CN
- China
- Prior art keywords
- roll
- drive shaft
- lower drive
- tube
- bundy
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- 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
- B21D43/12—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
Abstract
The present invention provides a kind of Bundy tube ratio-frequency welded tube unit, it includes feed mechanism, continuous tube rolling shaping mechanism and into pipe conveying mechanism, the continuous tube rolling shaping mechanism includes some roll stacks successively decreased successively to tube rolling diameter, welded tube mill and frame, every group of roll stacks include topping roll, upper power transmission shaft, bottom roll and lower drive shaft, the topping roll is rotatably installed on the upper power transmission shaft, and the upper power transmission shaft is the fixing axle being fixedly mounted in the frame；The bottom roll is fixedly mounted on the lower drive shaft, and the lower drive shaft is the fixing axle being fixedly mounted in the frame by gimbal coupling connection driving motor or the lower drive shaft, and the bottom roll is rotatably installed on the lower drive shaft.The Bundy tube with ratio-frequency welded tube unit have the advantages that design science, avoid transmission shaft vibration caused by damage, Bundy tube stress evenly, into pipe quality it is good, manufactured suitable for high-precision small size Bundy tube.
Description
Technical field
The present invention relates to a kind of welded tube mill, specifically, a kind of Bundy tube ratio-frequency welded tube unit relate to.
Background technology
Existing ratio-frequency welded tube unit, including it is some to roll stacks, welded tube mill and frame, every group of roll stacks include above rolling
Roller, upper power transmission shaft, bottom roll and lower drive shaft, upper power transmission shaft connect power motor, underdrive by a gimbal coupling
Axle connects a power motor also by a gimbal coupling, and when in use, lower drive shaft is usually fixed position, due to
It is driven by gimbal coupling, vibratory output is very big, while pipe fitting fill process is unstable, under dual reason, causes pipe fitting
Forming process is easily offset, and is at this moment accomplished by upper power transmission shaft being designed as adjustable, can typically be designed one of translot, be passed through and adjust
Position of the whole upper power transmission shaft in translot, to balance the offset of pipe fitting.
On this basis, due to the structure problem of upper power transmission shaft, the power for causing the vibration of shaft coupling in running to push
Amount passes to frame, and the strength that frame vibration is pushed passes to power transmission shaft, causes entirely to go up power transmission shaft in a kind of pressure-bearing shape
State, it is easy to damage, and then cause rolls damage, Bundy tube Forming Quality is poor, changes frequently and the higher grade one of replacement cost is
Row problem.
In addition, in the process of running, the fill process of plate is typically more extensive, and feeding process is unstable, vibratory output is big,
It is easy to error occur, when manufacturing large-size pipe, the error produced by the feeding manner of extensive style can be ignored, still
In the pipe fitting that manufacture becomes more meticulous, these errors can cause the fraction defective of pipe fitting to significantly improve, and influence production efficiency.
Again, in running, not only need control two power motors synchronized relation, also to control different roll stacks it
Between power motor synchronized relation, assembly precision require it is high.
In order to solve the problem of above is present, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, so as to provide a kind of design science, avoid being driven shaft vibration
It is caused damage, Bundy tube stress evenly, into pipe quality it is good, suitable for high-precision small size Bundy tube manufacture Bundy tube use
Ratio-frequency welded tube unit.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of Bundy tube ratio-frequency welded tube unit, it includes feed mechanism, continuous tube rolling shaping mechanism and into pipe conveying mechanism, institute
Stating continuous tube rolling shaping mechanism includes some roll stacks successively decreased successively to tube rolling diameter, welded tube mill and frame, every group of roll stacks
Including topping roll, upper power transmission shaft, bottom roll and lower drive shaft, the topping roll is rotatably installed on the upper power transmission shaft, described
Upper power transmission shaft is the fixing axle being fixedly mounted in the frame；The bottom roll is fixedly mounted on the lower drive shaft, institute
It is to be fixedly mounted in the frame to state lower drive shaft and connect driving motor or the lower drive shaft by gimbal coupling
Fixing axle, the bottom roll is rotatably installed on the lower drive shaft.
It is described on base, it is described to include the belt conveyor of a pair of move toward one anothers, belt conveyor edge week into pipe conveying mechanism
To center one arc groove is set, two arc grooves on belt conveyor described in a pair constitute Bundy tube gripping conveyor
Structure, the outline of the belt conveyor is rounded or racetrack.
Described on base, the topping roll includes upper roll body, the upper centre bore being arranged on the upper roll body and is arranged on institute
The upper bearing (metal) mounting hole of centre bore both sides is stated, the middle part of the upper power transmission shaft passes through the upper centre bore, the upper power transmission shaft
Middle part both sides be arranged on respectively by clutch shaft bearing and second bearing in two upper bearing (metal) mounting holes of the upper roll body, it is described on
The two ends of power transmission shaft are fixed in the frame.
Described on base, when the lower drive shaft is fixing axle, the bottom roll includes lower roll body, is arranged on the lower roll
Lower centre bore and the lower bearing mounting hole for being arranged on the lower centre bore both sides on body, the middle part of the lower drive shaft passes through institute
Lower centre bore is stated, the middle part both sides of the lower drive shaft are arranged on the lower roll body by 3rd bearing and fourth bearing respectively
In two lower bearing mounting holes, the two ends of the lower drive shaft are fixed in the frame.
Described on base, described also to include belt pulley into pipe conveying mechanism, the outer surface of the belt pulley is provided with external tooth, institute
State the correspondence external tooth on belt conveyor and internal tooth is set.
It is described on base, the circumferentially arranged trapezoidal projection in inner surface center of the belt conveyor, the outer pulley surface
Center circumferentially corresponds to the trapezoidal raised setting trapezoidal groove.
Described on base, the belt pulley includes main part and installation portion, and the main part has one to be held downwards from upper end
Inclined first inclined-plane in face, the installation portion has second inclined-plane on correspondence first inclined-plane, first inclined-plane and described
Second inclined-plane agrees with the rear main part completely and the installation portion collectively forms the complete belt pulley, the installation portion and
Fixing screwed hole is correspondingly arranged on the main part, the installation portion itself will be tightened on the main part by screw.
Described on base, feed mechanism includes a pair of flat faced pulleys rotated in opposite directions, the outline of the flat faced pulley
In racetrack.
The present invention is compared with the prior art with prominent substantive distinguishing features and significantly progressive, specifically, with following
Advantage：
1st, topping roll is designed as driven, and upper power transmission shaft is designed as fixing axle, and fixing axle can avoid bounce, also avoids bounce
The damage brought.
2nd, when bottom roll is active, bottom roll provides main power, it is ensured that the normal rolling of roll.
3rd, when bottom roll is driven, by providing power into pipe conveying mechanism and feed mechanism, one draws one to push away, and nation is driven jointly
The walking of enlightening pipe.
4th, arc groove is set on belt conveyor, wales the Bundy tube of shaping there is provided frictional force, be increasing friction force, can be by
Belt conveyor is designed as racetrack；Feed mechanism uses double-faced leather belt wheel, and belt pulley contacts with sheet side, sheet material is clamped, and protects
Demonstrate,prove stable in sheet material fill process, it is to avoid sheet material is beated, and lifts into the quality of pipe.
5th, set on belt pulley on external tooth, belt conveyor and internal tooth is set, both coordinate anti-skidding, trapezoidal raised and trapezoidal groove
Cooperation avoids skew.Belt pulley is divided into two parts, is coordinated by inclined-plane, is easily installed belt.
Brief description of the drawings
Fig. 1 is the structural representation of Bundy tube ratio-frequency welded tube unit in the present invention.
Fig. 2 is the structural representation of one group of roll stacks in the embodiment of the present invention 2.
Fig. 3 is the structural representation of the middle belt pulley of the embodiment of the present invention 2.
Fig. 4 is Fig. 3 assembling process views.
Fig. 5 is the structural representation of belt conveyor in the embodiment of the present invention 2.
Fig. 6 is Fig. 5 left view.
In figure：1. frame；2. on power transmission shaft；3. lower drive shaft；4. topping roll；5. bottom roll；6. upper bearing (metal) mounting hole；
9. clutch shaft bearing；10. second bearing；13. 3rd bearing；14. fourth bearing；15. external tooth；16. internal tooth；17. arc groove；19.
Dovetail groove；20. main part；21. installation portion；22. the first inclined-plane；23. the second inclined-plane；24. belt conveyor；25. lower bearing is installed
Hole.
Embodiment
Below by embodiment, technical scheme is described in further detail.
Embodiment 1
As shown in figure 1, a kind of Bundy tube ratio-frequency welded tube unit, it includes feed mechanism, continuous tube rolling shaping mechanism and into pipe
Conveying mechanism, the continuous tube rolling shaping mechanism includes some roll stacks successively decreased successively to tube rolling diameter, welded tube mill and 1, often
Group roll stacks include topping roll 4, upper power transmission shaft 2, bottom roll 5 and lower drive shaft 3, and the topping roll 4 is rotatably installed on described
On power transmission shaft 2, the upper power transmission shaft 2 is the fixing axle being fixedly mounted in the frame 1；The bottom roll 5 is fixedly mounted on
On the lower drive shaft 3, the lower drive shaft 3 connects driving motor by gimbal coupling.
Topping roll 4 is designed as driven, upper power transmission shaft 2 is fixed, it is to avoid the bounce of upper power transmission shaft 2, so as to avoid topping roll 4
The problem of damaging the Forming Quality difference with Bundy tube.
Specifically, the topping roll 4 includes upper roll body, the upper centre bore being arranged on the upper roll body and is arranged on described
The upper bearing (metal) mounting hole 6 of upper centre bore both sides, the middle part of the upper power transmission shaft 2 passes through the upper centre bore, the upper power transmission shaft 2
Middle part both sides be arranged on respectively by clutch shaft bearing 9 and second bearing 10 in two upper bearing (metal) mounting holes 6 of the upper roll body, institute
The two ends for stating power transmission shaft 2 are fixed in the frame 1.
Roll uses twin shaft bearing bore roll, and transmission is more stablized, and roll is more uniformly stressed.
Embodiment 2
As shown in Fig. 2 as different from Example 1, the lower drive shaft 3 is the fixing axle being fixedly mounted in the frame 1,
The bottom roll 5 is rotatably installed on the lower drive shaft 3.
Upper and lower roll is driven, and the motion-promotion force of Bundy tube into pipe conveying mechanism by pullling power and feed mechanism
Push power to be implemented in combination with, eliminate power motor and gimbal coupling, the stationary problem of power motor, Cheng Guan is also just not present
Better quality, more easy-formation.
It is described to include the belt conveyor 24 of a pair of move toward one anothers into pipe conveying mechanism, the belt conveyor 24 circumferentially in
Heart position sets an arc groove 17, and two arc grooves 17 described in a pair on belt conveyor 24 constitute Bundy tube gripping conveyor
Structure, the outline of the belt conveyor 24 is rounded or racetrack.
The size of arc groove 17 is matched with Bundy tube external diameter, it is ensured that Bundy tube can be clamped by two arc grooves, according to required
The size of strength, designs the clamping length of belt conveyor, and clamping length is longer, and frictional force is bigger, pulls power also bigger.
Specifically, the bottom roll 5 includes lower roll body, the lower centre bore being arranged on the lower roll body and is arranged on described
The lower bearing mounting hole 25 of lower centre bore both sides, the middle part of the lower drive shaft 3 passes through the lower centre bore, the lower drive shaft
3 middle part both sides are arranged on two lower bearing mounting holes 25 of the lower roll body by 3rd bearing 13 and fourth bearing 14 respectively
Interior, the two ends of the lower drive shaft 3 are fixed in the frame 1..
Similar with topping roll 4, using twin shaft bearing bore roll, transmission is more stablized, and roll is more uniformly stressed.
Further, described also to include belt pulley into pipe conveying mechanism, the outer surface of the belt pulley is provided with external tooth 15,
The correspondence external tooth sets internal tooth 16 on the belt conveyor, and both, which coordinate, avoids slipping.
As shown in Figure 5 and Figure 6, the circumferentially arranged trapezoidal projection in the inner surface center of the belt conveyor 24, the belt
Wheel outer surface center circumferentially corresponds to the trapezoidal raised setting trapezoidal groove 19.Prevent left and right of the belt conveyor 24 to belt pulley
Two ends are offset.
As shown in Figure 3 and Figure 4, further, the belt pulley includes main part 20 and installation portion 21, the main part 20
With one from the first inclined-plane 22 of upper end end slope downwards, the installation portion 21 has the of correspondence first inclined-plane 22
Two inclined-planes 23, first inclined-plane 22 and second inclined-plane 23 agree with the rear main part 20 completely and the installation portion 21 is common
Fixing screwed hole is correspondingly arranged on the complete belt pulley, the installation portion 21 and the main part 20 with constituting, it is described
Installation portion itself will be tightened on the main part by screw.
In use, main part 20 first is put into belt conveyor, the second inclined-plane 23 of installation portion 21 is then loaded into main part
20 the first inclined-plane 22, during being screwed by screw, gradually pushes the second inclined-plane 23 to first inclined-plane 22, until both are complete
Agree with entirely, untill constituting a complete belt pulley, this is the installation of belt conveyor for convenience.
Further, feed mechanism includes the flat faced pulley rotated in opposite directions for a pair, the outline of the flat faced pulley
In racetrack, by the frictional force of clamping, sheet material is pushed into, with coordinating into pipe conveying mechanism, provides dynamic for the shaping of Bundy tube
Power.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among claimed technical scheme scope of the invention.
Claims (8)
1. a kind of Bundy tube ratio-frequency welded tube unit, it includes feed mechanism, continuous tube rolling shaping mechanism and into pipe conveying mechanism,
The continuous tube rolling shaping mechanism is including some to roll stacks, welded tube mill and frame, and every group of roll stacks include topping roll, upper transmission
Axle, bottom roll and lower drive shaft, it is characterised in that：The topping roll is rotatably installed on the upper power transmission shaft, the upper transmission
Axle is the fixing axle being fixedly mounted in the frame；The bottom roll is fixedly mounted on the lower drive shaft, it is described under pass
Moving axis is the fixing axle being fixedly mounted in the frame by gimbal coupling connection driving motor or the lower drive shaft,
The bottom roll is rotatably installed on the lower drive shaft.
2. Bundy tube according to claim 1 ratio-frequency welded tube unit, it is characterised in that：It is described to include into pipe conveying mechanism
The belt conveyor of a pair of move toward one anothers, the center of the belt conveyor circumferentially sets an arc groove, defeated described in a pair
Two arc grooves on belt are sent to constitute Bundy tube gripping conveyor structure, the outline of the belt conveyor is rounded or racetrack.
3. Bundy tube according to claim 1 or 2 ratio-frequency welded tube unit, it is characterised in that：The topping roll includes upper
Roll body, the upper centre bore being arranged on the upper roll body and the upper bearing (metal) mounting hole for being arranged on the upper centre bore both sides, it is described
The middle part of upper power transmission shaft passes through the upper centre bore, and the middle part both sides of the upper power transmission shaft pass through clutch shaft bearing and the second axle respectively
Hold in two upper bearing (metal) mounting holes of the upper roll body, the two ends of the upper power transmission shaft are fixed in the frame.
4. Bundy tube according to claim 3 ratio-frequency welded tube unit, it is characterised in that：When the lower drive shaft is fixation
During axle, the bottom roll includes lower roll body, the lower centre bore being arranged on the lower roll body and is arranged on the lower centre bore two
The lower bearing mounting hole of side, the middle part of the lower drive shaft passes through the lower centre bore, the middle part both sides point of the lower drive shaft
It is not arranged on by 3rd bearing and fourth bearing in two lower bearing mounting holes of the lower roll body, the two ends of the lower drive shaft
It is fixed in the frame.
5. Bundy tube according to claim 4 ratio-frequency welded tube unit, it is characterised in that：It is described also to be wrapped into pipe conveying mechanism
Belt pulley is included, the outer surface of the belt pulley is provided with the correspondence external tooth on external tooth, the belt conveyor and sets internal tooth.
6. Bundy tube according to claim 5 ratio-frequency welded tube unit, it is characterised in that：The inner surface of the belt conveyor
The circumferentially arranged trapezoidal projection in center, it is trapezoidal recessed that the outer pulley surface center circumferentially corresponds to the trapezoidal raised setting
Groove.
7. the Bundy tube ratio-frequency welded tube unit according to claim any one of 4-6, it is characterised in that：The belt pulley bag
Include main part and installation portion, the main part has one from the first inclined-plane of upper end end slope downwards, the installation portion tool
Have second inclined-plane on correspondence first inclined-plane, first inclined-plane and second inclined-plane agree with completely the rear main part and
The installation portion collectively forms and is correspondingly arranged on fixed screw thread on the complete belt pulley, the installation portion and the main part
Hole, the installation portion itself will be tightened on the main part by screw.
8. Bundy tube according to claim 7 ratio-frequency welded tube unit, it is characterised in that：Feed mechanism is opposite including a pair
The flat faced pulley of rotation, the outline of the flat faced pulley is in racetrack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488850.4A CN107052078B (en) | 2017-06-23 | 2017-06-23 | The effective high-frequency welding tube mill group of Bandaid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488850.4A CN107052078B (en) | 2017-06-23 | 2017-06-23 | The effective high-frequency welding tube mill group of Bandaid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052078A true CN107052078A (en) | 2017-08-18 |
| CN107052078B CN107052078B (en) | 2018-12-07 |
Family
ID=59613435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710488850.4A Active CN107052078B (en) | 2017-06-23 | 2017-06-23 | The effective high-frequency welding tube mill group of Bandaid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052078B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3620953A1 (en) * | 1986-06-23 | 1988-01-14 | Schoeller Gmbh & Co Kg | TOWING DEVICE FOR CONTINUOUSLY PULLING A ROD OR TUBULAR STRAND OF MATERIAL |
| JP3633373B2 (en) * | 1999-06-01 | 2005-03-30 | Ｊｆｅスチール株式会社 | Welded steel pipe manufacturing equipment |
| CN201338191Y (en) * | 2008-12-26 | 2009-11-04 | 北京奥宇模板有限公司 | Special R-shaped frame cold rolling device for steel frame wood molds |
| CN104942103A (en) * | 2015-05-18 | 2015-09-30 | 北方工业大学 | Metal tube forming method and device |
| CN105312364A (en) * | 2014-07-19 | 2016-02-10 | 无锡华瑞铝业有限公司 | Special pipe flattening device |
| CN205518984U (en) * | 2016-01-30 | 2016-08-31 | 广东志达精密管业制造有限公司 | Welded tube mill plain -barreled roll breast roller conical bore installation fixing device |
| CN106391781A (en) * | 2016-10-10 | 2017-02-15 | 江苏华中冷弯机械有限公司 | Precise cold bend forming machine |
| CN206898086U (en) * | 2017-06-23 | 2018-01-19 | 河南明睿达机械制造有限公司 | Bundy tube ratio-frequency welded tube unit |
-
2017
- 2017-06-23 CN CN201710488850.4A patent/CN107052078B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3620953A1 (en) * | 1986-06-23 | 1988-01-14 | Schoeller Gmbh & Co Kg | TOWING DEVICE FOR CONTINUOUSLY PULLING A ROD OR TUBULAR STRAND OF MATERIAL |
| JP3633373B2 (en) * | 1999-06-01 | 2005-03-30 | Ｊｆｅスチール株式会社 | Welded steel pipe manufacturing equipment |
| CN201338191Y (en) * | 2008-12-26 | 2009-11-04 | 北京奥宇模板有限公司 | Special R-shaped frame cold rolling device for steel frame wood molds |
| CN105312364A (en) * | 2014-07-19 | 2016-02-10 | 无锡华瑞铝业有限公司 | Special pipe flattening device |
| CN104942103A (en) * | 2015-05-18 | 2015-09-30 | 北方工业大学 | Metal tube forming method and device |
| CN205518984U (en) * | 2016-01-30 | 2016-08-31 | 广东志达精密管业制造有限公司 | Welded tube mill plain -barreled roll breast roller conical bore installation fixing device |
| CN106391781A (en) * | 2016-10-10 | 2017-02-15 | 江苏华中冷弯机械有限公司 | Precise cold bend forming machine |
| CN206898086U (en) * | 2017-06-23 | 2018-01-19 | 河南明睿达机械制造有限公司 | Bundy tube ratio-frequency welded tube unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107052078B (en) | 2018-12-07 |
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