CN107052078B - The effective high-frequency welding tube mill group of Bandaid - Google Patents
The effective high-frequency welding tube mill group of Bandaid Download PDFInfo
- Publication number
- CN107052078B CN107052078B CN201710488850.4A CN201710488850A CN107052078B CN 107052078 B CN107052078 B CN 107052078B CN 201710488850 A CN201710488850 A CN 201710488850A CN 107052078 B CN107052078 B CN 107052078B
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- CN
- China
- Prior art keywords
- roll
- drive shaft
- bandaid
- lower drive
- frequency welding
- 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.)
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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 effective high-frequency welding tube mill group of Bandaid, it includes feeding mechanism, continuous tube rolling shaping mechanism and at pipe conveying mechanism, the continuous tube rolling shaping mechanism includes roll stacks, welded tube mill and the rack that several pairs of tube rolling diameters successively successively decrease, every group of roll stacks include topping roll, upper transmission shaft, bottom roll and lower drive shaft, the topping roll is rotatably installed on the upper transmission shaft, and the upper transmission shaft is the fixing axle being fixedly mounted in the rack；The bottom roll is fixedly mounted on the lower drive shaft, and the lower drive shaft connects driving motor by gimbal coupling or the lower drive shaft is the fixing axle being fixedly mounted in the rack, and the bottom roll is rotatably installed on the lower drive shaft.The effective high-frequency welding tube mill group of the Bandaid have the advantages that design science, avoid transmission shaft vibration caused by damage, Bundy tube stress more evenly, it is high-quality at pipe, be suitable for high-precision small size Bundy tube manufacture.
Description
Technical field
The present invention relates to a kind of welded tube mills, specifically, relate to a kind of effective high-frequency welding tube mill group of Bandaid.
Background technique
Existing ratio-frequency welded tube unit, including several pairs of roll stacks, welded tube mill and rack, every group of roll stacks include above rolling
Roller, upper transmission shaft, bottom roll and lower drive shaft, upper transmission shaft connect power motor, underdrive by a gimbal coupling
Axis 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, leads to pipe fitting
Forming process is easy offset, at this moment adjustable with regard to needing for upper transmission shaft to be designed as, and can generally design one of translot, pass through tune
Position of the whole upper transmission shaft in translot, to balance the offset of pipe fitting.
On this basis, due to the structure problem of upper transmission shaft, lead to the power of the vibration pushing of shaft coupling in operational process
Amount passes to rack, and the strength that frame vibration pushes passes to transmission shaft, leads to entirely to go up transmission shaft being in a kind of pressure-bearing shape
State, it is easy to damage, and then lead to rolls damage, Bundy tube Forming Quality is poor, and replacement is frequently and a systems such as replacement cost is higher
Column 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 appear errors, and when manufacturing large-size pipe, error caused by the feeding manner of extensive style be can be ignored, still
In the pipe fitting of manufacture fining, the fraction defective that these errors will lead to pipe fitting is significantly improved, and influences production efficiency.
Again, in operational process, not only need to control the synchronized relation of two power motors, also to control different roll stacks it
Between power motor synchronized relation, assembly precision require it is high.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of the present invention is in view of the deficiencies of the prior art, to provide a kind of design science, avoid transmission shaft vibration
It is caused damage, Bundy tube stress more evenly, it is high-quality at pipe, suitable for high-precision small size Bundy tube manufacture Bandaid it is effective
Ratio-frequency welded tube unit.
To achieve the goals above, the technical scheme adopted by the invention is that:
A kind of effective high-frequency welding tube mill group of Bandaid, it includes feeding mechanism, continuous tube rolling shaping mechanism and at pipe conveyer
Structure, the continuous tube rolling shaping mechanism include roll stacks, welded tube mill and the rack that several pairs of tube rolling diameters successively successively decrease, and every group is rolled
Roller group includes topping roll, upper transmission shaft, bottom roll and lower drive shaft, and the topping roll is rotatably installed on the upper transmission shaft,
The upper transmission shaft is the fixing axle being fixedly mounted in the rack；The bottom roll is fixedly mounted on the lower drive shaft
On, the lower drive shaft connects driving motor by gimbal coupling or the lower drive shaft is to be fixedly mounted on the rack
On fixing axle, the bottom roll is rotatably installed on the lower drive shaft.
Described on base, described at pipe conveying mechanism includes a pair of conveyor belt moved toward one another, and the conveyor belt is along week
To center one arc groove is set, two arc grooves in a pair of conveyor belt constitute Bundy tube gripping conveyor
The outer profile of structure, the conveyor belt 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 in institute
The upper bearing (metal) mounting hole of centre bore two sides is stated, the middle part of the upper transmission shaft passes through the upper centre bore, the upper transmission shaft
On both sides of the middle pass through first bearing respectively and second bearing is mounted in two upper bearing (metal) mounting holes of the upper roll body, it is described on
The both ends of transmission shaft are fixed in the rack.
Described on base, when the lower drive shaft is fixing axle, the bottom roll includes lower roll body, is arranged in the lower roll
Lower centre bore on body and the lower bearing mounting hole that the lower centre bore two sides are arranged in, the middle part of the lower drive shaft passes through institute
Lower centre bore is stated, the on both sides of the middle of the lower drive shaft passes through 3rd bearing respectively and fourth bearing is mounted on the lower roll body
In two lower bearing mounting holes, the both ends of the lower drive shaft are fixed in the rack.
Described on base, described at pipe conveying mechanism further includes belt pulley, and the outer surface of the belt pulley is provided with external tooth, institute
It states and corresponds to the external tooth setting internal tooth in conveyor belt.
It is described on base, the circumferentially arranged trapezoidal protrusion in the inner surface center of the conveyor belt, the outer pulley surface
Center circumferentially corresponds to the trapezoidal protrusion setting trapezoidal groove.
Described on base, the belt pulley includes main part and mounting portion, and the main part has one to hold downwards from upper end
Inclined first inclined-plane in face, the mounting portion have second inclined-plane on corresponding first inclined-plane, first inclined-plane and described
Second inclined-plane agrees with the rear main part completely and the mounting portion collectively forms the complete belt pulley, the mounting portion and
Fixing screwed hole is correspondingly arranged on the main part, the mounting portion itself will be tightened on the main part by screw.
Described on base, feeding mechanism includes a pair of flat faced pulley rotated towards each other, the outer profile of the flat faced pulley
In racetrack.
The present invention has substantive distinguishing features outstanding and significant progress compared with the prior art, specifically, has following
Advantage:
1, topping roll is designed as driven, and upper transmission shaft is designed as fixing axle, and fixing axle can be avoided bounce, also avoid
Damage brought by bounce.
2, when bottom roll is active, bottom roll provides main power, guarantees the normal rolling of roll.
3, when bottom roll is driven, by providing power at pipe conveying mechanism and feeding mechanism, one draws one to push away, and drives nation jointly
The walking of enlightening pipe.
4, arc groove is set in conveyor belt, wales molding Bundy tube, frictional force is provided, be increasing friction force, can incite somebody to action
Conveyor belt is designed as racetrack；Feeding mechanism uses double-faced leather belt wheel, belt pulley and plate face contact, and plate is clamped, and protects
It demonstrate,proves in plate fill process and stablizes, plate is avoided to beat, promote the quality at pipe.
5, external tooth is set on belt pulley, internal tooth is set in conveyor belt, the two cooperation is anti-skidding, trapezoidal protrusion and trapezoidal groove
Cooperation avoids deviating.Belt pulley is divided into two parts, is cooperated by inclined-plane, is easily installed belt.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the effective high-frequency welding tube mill group of Bandaid in the present invention.
Fig. 2 is the structural schematic diagram of one group of roll stacks in the embodiment of the present invention 2.
Fig. 3 is the structural schematic diagram of 2 middle belt pulley of the embodiment of the present invention.
Fig. 4 is Fig. 3 assembling process status diagram.
Fig. 5 is the structural schematic diagram of conveyor belt in the embodiment of the present invention 2.
Fig. 6 is the left view of Fig. 5.
In figure: 1. racks；Transmission shaft on 2.；3. lower drive shaft；4. topping roll；5. bottom roll；6. upper bearing (metal) mounting hole；
9. first 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. mounting portion；22. the first inclined-plane；23. the second inclined-plane；24. conveyor belt；25. lower bearing is installed
Hole.
Specific embodiment
Below by specific embodiment, technical scheme of the present invention will be described in further detail.
Embodiment 1
As shown in Figure 1, a kind of effective high-frequency welding tube mill group of Bandaid, it include feeding mechanism, continuous tube rolling shaping mechanism and
At pipe conveying mechanism, the continuous tube rolling shaping mechanism include several pairs of tube rolling diameters successively successively decrease roll stacks, welded tube mill and
Rack 1, every group of roll stacks include topping roll 4, upper transmission shaft 2, bottom roll 5 and lower drive shaft 3, and the topping roll 4 is rotatablely installed
On the upper transmission shaft 2, the upper transmission shaft 2 is the fixing axle being fixedly mounted in the rack 1；The bottom roll 5 is solid
On the lower drive shaft 3, the lower drive shaft 3 connects driving motor by gimbal coupling for Dingan County.
Topping roll 4 is designed as driven, upper transmission shaft 2 is fixed, the bounce of transmission shaft 2 is avoided, to avoid topping roll 4
The problem of the Forming Quality difference of damage and 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 described
The middle part of the upper bearing (metal) mounting hole 6 of upper centre bore two sides, the upper transmission shaft 2 passes through the upper centre bore, the upper transmission shaft 2
On both sides of the middle pass through first bearing 9 respectively and second bearing 10 is mounted in two upper bearing (metal) mounting holes 6 of the upper roll body, institute
The both ends for stating transmission shaft 2 are fixed in the rack 1.
Roll uses twin shaft bearing bore roll, and transmission is more stable, and roll is more uniformly stressed.
Embodiment 2
As shown in Fig. 2, unlike the first embodiment, the lower drive shaft 3 is to be fixedly mounted on consolidating in the rack 1
Dead axle, the bottom roll 5 are rotatably installed on the lower drive shaft 3.
Upper and lower roll be it is driven, the motion-promotion force of Bundy tube is by pullling power and feeding mechanism at pipe conveying mechanism
Push power is implemented in combination with, and eliminates power motor and gimbal coupling, and the stationary problem of power motor, Cheng Guan is also just not present
Better quality, it is more easily molded.
Described at pipe conveying mechanism includes a pair of conveyor belt 24 moved toward one another, the conveyor belt 24 circumferentially in
An arc groove 17 is arranged in heart position, and two arc grooves 17 in a pair of conveyor belt 24 constitute Bundy tube gripping conveyor
The outer profile of structure, the conveyor belt 24 is rounded or racetrack.
The size of arc groove 17 is matched with Bandaid pipe outside diameter, guarantees that Bundy tube can be clamped by two arc grooves, according to required
The size of strength designs the clamping length of conveyor belt, and clamping length is longer, and frictional force is bigger, and it is also bigger to pull power.
Specifically, the bottom roll 5 includes lower roll body, the lower centre bore being arranged on the lower roll body and is arranged described
The middle part of the lower bearing mounting hole 25 of lower centre bore two sides, the lower drive shaft 3 passes through the lower centre bore, the lower drive shaft
3 on both sides of the middle passes through 3rd bearing 13 respectively and fourth bearing 14 is mounted on two lower bearing mounting holes 25 of the lower roll body
Interior, the both ends of the lower drive shaft 3 are fixed in the rack 1.
Similar with topping roll 4, using twin shaft bearing bore roll, transmission is more stable, and roll is more uniformly stressed.
Further, described at pipe conveying mechanism further includes belt pulley, and the outer surface of the belt pulley is provided with external tooth 15,
The external tooth setting internal tooth 16 is corresponded in the conveyor belt, the two cooperation avoids slipping.
As shown in Figure 5 and Figure 6, the circumferentially arranged trapezoidal protrusion in the inner surface center of the conveyor belt 24, the belt
Wheel outer surface center circumferentially corresponds to the trapezoidal protrusion setting trapezoidal groove 19.Prevent left and right of the conveyor belt 24 to belt pulley
Both ends offset.
As shown in Figure 3 and Figure 4, further, the belt pulley includes main part 20 and mounting portion 21, the main part 20
With one from the first inclined-plane 22 of upper end end slope downwards, the mounting portion 21 has the of corresponding 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 mounting portion 21 is total
With the complete belt pulley is constituted, it is correspondingly arranged on fixing screwed hole on the mounting portion 21 and the main part 20, it is described
Mounting portion itself will be tightened on the main part by screw.
In use, main part 20 is first put on conveyor belt, the second inclined-plane 23 of mounting portion 21 is then packed into main part
To first inclined-plane 22 during screwing by screw, is gradually pushed the second inclined-plane 23, until the two is complete in 20 the first inclined-plane 22
Agree with entirely, until constituting a complete belt pulley, this is the installation of conveyor belt for convenience.
Further, feeding mechanism includes a pair of flat faced pulley rotated towards each other, the outer profile of the flat faced pulley
Plate is pushed by the frictional force of clamping in racetrack, is cooperated at pipe conveying mechanism, for Bundy tube molding provide it is dynamic
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, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of effective high-frequency welding tube mill group of Bandaid, it includes feeding mechanism, continuous tube rolling shaping mechanism and at pipe conveying mechanism,
The continuous tube rolling shaping mechanism includes several pairs of roll stacks, welded tube mill and rack, and every group of roll stacks include topping roll, upper transmission
Axis, bottom roll and lower drive shaft, it is characterised in that: the topping roll is rotatably installed on the upper transmission shaft, the upper transmission
Axis is the fixing axle being fixedly mounted in the rack；The lower drive shaft is the fixing axle being fixedly mounted in the rack,
The bottom roll is rotatably installed on the lower drive shaft, and the bottom roll includes lower roll body, is arranged on the lower roll body
Lower centre bore and the lower bearing mounting hole that the lower centre bore two sides are set, the middle part of the lower drive shaft pass through it is described it is lower in
Heart hole, the on both sides of the middle of the lower drive shaft passes through 3rd bearing respectively and fourth bearing is mounted on two lower axles of the lower roll body
It holds in mounting hole, the both ends of the lower drive shaft are fixed in the rack.
2. the effective high-frequency welding tube mill group of Bandaid according to claim 1, it is characterised in that: described to include at pipe conveying mechanism
The conveyor belt that a pair moves toward one another, an arc groove is arranged in the center of the conveyor belt circumferentially, a pair of described defeated
Two arc grooves on belt are sent to constitute Bundy tube gripping conveyor structure, the outer profile of the conveyor belt is rounded or racetrack.
3. the effective high-frequency welding tube mill group of Bandaid according to claim 1 or 2, 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 that the upper centre bore two sides are set, it is described
The middle part of upper transmission shaft passes through the upper centre bore, and the on both sides of the middle of the upper transmission shaft passes through first bearing and the second axis respectively
It holds in the two upper bearing (metal) mounting holes for being mounted on the upper roll body, the both ends of the upper transmission shaft are fixed in the rack.
4. the effective high-frequency welding tube mill group of Bandaid according to claim 3, it is characterised in that: described also to be wrapped at pipe conveying mechanism
Belt pulley is included, the outer surface of the belt pulley is provided with external tooth, and the external tooth setting internal tooth is corresponded in the conveyor belt.
5. the effective high-frequency welding tube mill group of Bandaid according to claim 4, it is characterised in that: the inner surface of the conveyor belt
The circumferentially arranged trapezoidal protrusion in center, it is trapezoidal recessed that the outer pulley surface center circumferentially corresponds to the trapezoidal protrusion setting
Slot.
6. the effective high-frequency welding tube mill group of Bandaid according to claim 4 or 5, it is characterised in that: the belt pulley includes master
Body portion and mounting portion, the main part have one from the first inclined-plane of upper end end slope downwards, and the mounting portion has pair
Answer second inclined-plane on first inclined-plane, first inclined-plane and second inclined-plane agree with the rear main part and described completely
Mounting portion collectively forms the complete belt pulley, is correspondingly arranged on fixing screwed hole on the mounting portion and the main part,
The mounting portion itself will be tightened on the main part by screw.
7. the effective high-frequency welding tube mill group of Bandaid according to claim 6, it is characterised in that: feeding mechanism includes a pair of opposite
The flat faced pulley of rotation, the outer profile of the flat faced pulley are 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 CN107052078A (en) | 2017-08-18 |
| CN107052078B true 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 |
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| Publication number | Publication date |
|---|---|
| CN107052078A (en) | 2017-08-18 |
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