CN105598214B - A kind of straight roll-type tube straightener for pipe and method for aligning - Google Patents
A kind of straight roll-type tube straightener for pipe and method for aligning Download PDFInfo
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- CN105598214B CN105598214B CN201510971250.4A CN201510971250A CN105598214B CN 105598214 B CN105598214 B CN 105598214B CN 201510971250 A CN201510971250 A CN 201510971250A CN 105598214 B CN105598214 B CN 105598214B
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- roll
- hollow billet
- straight
- upper straightening
- pipe
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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
Abstract
The present invention provides a kind of straight roll-type tube straightener for pipe and method for aligning.Straight roll-type tube straightener for pipe includes support body mechanism, elevating mechanism and rotating and straightening roller mechanism.Rotating and straightening roller mechanism includes a upper straightening roll and twice smoothing rolls, upper straightening roll is connected with lifting unit, twice smoothing roll is supported on sill, upper straightening roll is placed in the middle to be located on twice smoothing rolls, and the diameter parallel of upper straightening roll and twice smoothing rolls, upper straightening roll can be driven by lifting unit and vertically lift, and upper straightening roll and twice smoothing rolls are driven by motor rotate respectively；Wherein, after hollow billet is transported to twice smoothing rolls, upper straightening roll, which drops to, to be pressed on hollow billet, so that it is ellipse that plastic deformation to the section of hollow billet, which occurs, for hollow billet, upper straightening roll and twice smoothing rolls are in the rotary course of hollow billet surface, so that hollow billet is squeezed into section as circle by upper straightening roll and twice smoothing rolls, and the center of circle of each circular cross-section is on the same axis.
Description
Technical field
The present invention relates to a kind of straightener, more particularly to a kind of straight roll-type tube straightener for pipe and a kind of method for aligning.
Background technology
Conventional roller-type tube straightener for pipe is to be aligned by hyperbolic surface skew roller type, according to different by the straight of strong tubing
Footpath, smoothing roll need to adjust opening degree, angle and flexibility.
For existing technology as shown in Fig. 1 a, 1b and Fig. 2 a, 2b, Fig. 1 a, 1b are wrong roller-type configurations Levelling principle
Figure, Fig. 2 a, 2b are pair roller type Levelling principle figure.As shown in Fig. 1 a, 1b, wrong roller-type configurations aligning refers to adjacent smoothing roll
It is in staggered distribution in the periphery of hollow billet.As shown in Fig. 2 a, 2b, pair roller type aligning refers to that each pair smoothing roll is arranged on hollow billet periphery
Same extension position both sides, and this is set to smoothing roll with opposite incline direction.
The smoothing roll of above-mentioned cross-roll straightening machine is curve roller, i.e. the surface of smoothing roll has radian, and its operation principle is
By the angled installation of walking the wire of smoothing roll and hollow billet, hollow billet is contacted with the recessed face of smoothing roll, such hollow billet can revolve
Turn to advance through straightener, bent repeatedly in the presence of smoothing roll to realize aligning, steel tube forming precision is met product mark
The method of alignment request.
The problem of present technology is present is curve roller processing difficulties, and parameter adjustment is complicated；Due to smoothing roll subsection setup,
Therefore after aligning there is certain straightening blind area in tubing, i.e. the front and back end of tubing can not be straightened.Also, due to being curve roller,
Tube surfaces after aligning have spiral trace, influence straightening quality.Face and to wrong roll straightening, the precision of tubing circularity can not be real
It is existing.
The content of the invention
Based on above mentioned problem, the invention provides a kind of straight roll-type tube straightener for pipe and method for aligning, to improve aligning matter
Amount and aligning efficiency.
To reach above-mentioned purpose, the present invention provides a kind of straight roll-type tube straightener for pipe, for aligning hollow billet, wherein, straight roller
Formula tube straightener for pipe includes support body mechanism, elevating mechanism and rotating and straightening roller mechanism.Support body mechanism include entablature, sill,
Base and column, base are located on workbench, and sill is fixed on base, and entablature passes through under parallel being supported in of column
On crossbeam；Elevating mechanism includes drive division and lifting unit, and entablature is fixed in one end of lifting unit, and drive division can drive liter
The other end lifting in drop portion；Rotating and straightening roller mechanism includes a upper straightening roll and twice smoothing rolls, and upper straightening roll connects with lifting unit
Connect, twice smoothing roll is supported on sill, upper straightening roll it is placed in the middle on two play smoothing rolls, and upper straightening roll with
The diameter parallel of twice smoothing rolls, upper straightening roll can be driven by lifting unit and vertically lift, and upper straightening roll and twice are strong
Straight roller is driven by motor respectively to be rotated；Wherein, after hollow billet is transported to twice smoothing rolls, upper straightening roll, which drops to, is pressed in hollow billet
On so that hollow billet occurs plastic deformation and revolved to the section of hollow billet for ellipse, upper straightening roll and twice smoothing rolls on hollow billet surface
During turning so that hollow billet is squeezed into section as circle by upper straightening roll and twice smoothing rolls, and the center of circle of each circular cross-section
On the same axis.
The present invention also provides a kind of method for aligning using above-mentioned straight roll-type tube straightener for pipe, and it comprises the following steps：
Lifting unit is set to drive upper straightening roll to rise；
Hollow billet is transported on twice smoothing rolls；
Make lifting unit drive upper straightening roll to drop to be pressed on hollow billet so that plastic deformation occurs for hollow billet to the section of hollow billet
For ellipse；
Motor drives upper straightening roll and twice smoothing roll rotations respectively, and hollow billet is aligned by the upper straightening roll rotated and twice
The extruding of roller causes the section of hollow billet into circle, and the center of circle of each circular cross-section is on the same axis.
The present invention is compared to the beneficial effect of prior art：It is of the invention compared with traditional cross-roll straightening machine, by straight
Hollow billet is aligned by roll straightening mechanism, aligns efficiency high, pipe outer surface quality is good, no spiral trace, and can realize tubing overall length
In the range of aligning, eliminate straightening blind area, straightening quality influenceed after smoothing roll abrasion small.Especially to non-ferrous metal or footpath
Big tubing of thickness rate etc. can greatly improve by the bad situation of skew roller type straightener leveling effect by straight roll leveller
Straightening quality.
Brief description of the drawings
Fig. 1 a and Fig. 1 b are the schematic diagram of existing wrong roll-type tube straightener for pipe.
Fig. 2 a and Fig. 2 b are the schematic diagram of existing pair roller type tube straightener for pipe.
Fig. 3 is the front view of the straight roll-type tube straightener for pipe of the present invention.
Fig. 4 is the side view of the straight roll-type tube straightener for pipe of the present invention.
Fig. 5 is the schematic diagram of the hollow billet before being aligned by the straight roll-type tube straightener for pipe of the present invention.
Fig. 6 is the sectional view of the AA lines along Fig. 5.
Fig. 7 is the schematic diagram of the hollow billet after being aligned by the straight roll-type tube straightener for pipe of the present invention.
Fig. 8 is the sectional view of the BB lines along Fig. 7.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.In figure, in order to clear
It is clear, it may be exaggerated the thickness of region and layer.Identical reference represents same or similar structure in figure, thus will save
Slightly their detailed description.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, there is provided many details fully understand so as to provide to embodiments of the invention.However,
It will be appreciated by persons skilled in the art that technical scheme can be put into practice without one in the specific detail or more
It is more, or other methods, constituent element, material etc. can be used.In other cases, be not shown in detail or describe known features,
Material is operated to avoid obscuring the major technique intention of the present invention.
Reference picture 3 is to shown in Fig. 4, and one embodiment of the invention provides a kind of straight roll-type tube straightener for pipe, for aligning hair
Pipe, wherein, straight roll-type tube straightener for pipe includes support body mechanism 10, elevating mechanism 20 and rotating and straightening roller mechanism 30.
Support body mechanism 10 includes entablature 11, sill 12, base 13 and column 14, and base 13 is located on workbench,
Sill 12 is fixed on base 13, and entablature 11 is supported on sill 12 by the way that column 14 is parallel.In the present embodiment,
The quantity of column 14 is four, but is not limited to this.
Elevating mechanism 20 includes drive division 21 and lifting unit 22, and entablature 11, drive division are fixed in one end of lifting unit 22
21 can drive the other end of lifting unit 22 to lift.In the present embodiment, the following table of entablature 11 is fixed in one end of lifting unit 22
Face, it can be moved away from or close to entablature 11.
Rotating and straightening roller mechanism 30 includes a upper straightening roll 31 and twice smoothing rolls 32, upper straightening roll 31 and lifting unit 22
Connection, twice smoothing roll 32 is supported on sill 12, and upper straightening roll 31 is placed in the middle to be located on twice smoothing rolls 32, and
The diameter parallel of upper straightening roll 31 and twice smoothing rolls 32, upper straightening roll 31 can be driven by lifting unit 22 and vertically rise
Drop, upper straightening roll 31 and twice smoothing rolls 32 are driven by motor (not shown) respectively to be rotated.
Wherein, after hollow billet 100 is transported to twice smoothing roll 32, upper straightening roll 31, which drops to, to be pressed on hollow billet 100, is made
It is ellipse to obtain hollow billet 100 plastic deformation to the section of hollow billet 100 occurs, and upper straightening roll 31 and twice smoothing rolls 32 are in hollow billet
In 100 surface rotary courses so that hollow billet 100 is squeezed into section as circle by upper straightening roll 31 and twice smoothing rolls 32, and respectively
On the same axis, i.e., hollow billet 100 turns into straight tube in the center of circle of individual circular cross-section.
Fig. 5 to Fig. 8, which is explained, utilizes the principle for flattening aligning effect aligning hollow billet.As shown in Figure 5 and Figure 6, the hair of bending
Pipe 100 is clamped between upper straightening roll 31 and twice smoothing rolls 32, and is squeezed into section as ellipse.With upper straightening roll
31 and the rotation of twice smoothing rolls 32, oval major axis will be crushed, the tube wall of short-axis direction is bent to both sides evagination, together
Shi Bianzhi, as shown in Figure 7 and Figure 8.
It is of the invention compared with traditional cross-roll straightening machine, pass through straight roll straightening mechanism align hollow billet, align efficiency high, tubing
Outer surface quality is good, no spiral trace, and can realize the aligning in the range of tubing overall length, eliminates straightening blind area, smoothing roll mill
Straightening quality is influenceed after damage small.Tubing especially big to non-ferrous metal or radius-thickness ratio etc. is aligned by skew roller type straightener imitates
The bad situation of fruit, straightening quality can greatly improve by straight roll leveller.
In the present embodiment, upper straightening roll 31 and twice smoothing rolls 32 are with identical rotating speed rotating Vortex, upper straightening roll 31
With twice smoothing rolls 32 be cylinder and surface is smooth.
As shown in Figure 3,4, in the present embodiment, support body mechanism 10 also includes hoisting cross beam 15, and its is parallel to be located at entablature
Between 11 and sill 12, preferably hoisting cross beam 15, entablature 11 and sill 12 have identical length and width.Column
14 pass through hoisting cross beam 15, and hoisting cross beam 15 is fixedly connected with the other end of lifting unit 22, and the both ends of hoisting cross beam 15 are respectively provided with
One bearing 16, each bearing 16 are connected with one end of upper straightening roll 31, and drive division 21 drives the other end lifting of lifting unit 22
When, hoisting cross beam 15 and upper straightening roll 31 lift therewith.
Wherein, multiple lifting units 22 are uniformly provided with along the longitudinal direction of straight roll-type tube straightener for pipe, three is provided with the present embodiment
It is individual, it can be connected between adjacent lifting unit 22 by shaft coupling 23.The other end of each lifting unit 22 and the upper surface of hoisting cross beam 15
It is fixedly connected.Therefore, drive division 21 can drive multiple synchronization liftings of lifting unit 22, and liter is drawn simultaneously with multiple lifting units 22
Crossbeam 15 is dropped, so as to realize that upper straightening roll 31 smoothly lifts, and ensures its levelness.
As shown in figure 3, in the present embodiment, rotating and straightening roller mechanism 30 also includes upper backup roll 33, its rotatable installation
In the lower surface of hoisting cross beam 15, upper backup roll 33 contacts with the surface of upper straightening roll 31, when upper straightening roll 31 rotates on prop up
Support roller 33 rotates with.Rotating and straightening roller mechanism also includes lower backing roll 34, and it is rotatably mounted to the upper table of sill 12
Face, lower backing roll 34 contact with the surface of twice smoothing rolls 32, and lower backing roll 34 rotates with when smoothing roll 32 rotates instantly.It is logical
Cross upper backup roll 33 and lower backing roll 34 and support upper straightening roll 31 and twice smoothing rolls 32 respectively, the firm of smoothing roll can be improved
Property, especially for the smoothing roll that length is larger, it can prevent that flexural deformation from occurring in its middle part, thus improves straightening quality.It is preferred that
, it is uniformly provided with multiple upper backup rolls 33 and lower backing roll 34, and upper backup roll 33 along the longitudinal direction of straight roll-type tube straightener for pipe
With the position correspondence of lower backing roll 34.
As shown in figure 4, in the present embodiment, rotating and straightening roller mechanism 30 also includes multiple along straight roll-type tube straightener for pipe
Longitudinal direction is uniform and the lifting transport roller 35 of the setting of alignment, lifting transport roller 35 include support base 351 and transport roller 352, supported
Seat 351 is liftable to be installed on sill 12, and transport roller 352 is rotatable to be connected with support base 351, and turn of transport roller 352
Axle is vertical with the axis of lower smoothing roll 33.The surface of transport roller 352 is designed to middle recessed curved surface, such as from V-arrangement roller, with
Just the support hollow billet 100 being more bonded.After the completion of aligning, upper straightening roll 31 rises, and lifting transport roller 35 rises, by hollow billet
100 hold up so that hollow billet 100 leaves upper backup roll 33 and lower backing roll 34, drives what is be straightened by transport establishment's (not shown)
Hollow billet 100 slides into next station on transport roller 352.
The present invention also provides a kind of method for aligning using above-mentioned straight roll-type tube straightener for pipe, reference picture 3 to Fig. 4, its
Comprise the following steps：
Lifting unit 22 is set to drive upper straightening roll 31 to rise；
Hollow billet 100 is transported on twice smoothing rolls 32；
Make lifting unit 22 drive upper straightening roll 31 to drop to be pressed on hollow billet 100 so that plastic deformation occurs for hollow billet 100 extremely
The section of hollow billet 100 is ellipse；
Motor drives upper straightening roll 31 and twice smoothing rolls 32 to rotate respectively, and hollow billet 100 is by the upper straightening roll 31 rotated
Extruding with twice smoothing rolls 32 causes the section of hollow billet 100 into circle, and the center of circle of each circular cross-section is on the same axis,
I.e. hollow billet 100 turns into straight tube.
In the present embodiment, rotating and straightening roller mechanism may also include encoder and displacement transducer, is recorded and rectified by encoder
Displacement during the pushing of straight roller 31, when displacement transducer, which senses upper straightening roll 31, moves preset distance, sends
The stop signal of smoothing roll 31.Corresponding preset distance can be set according to various sizes of hollow billet, therefore can strictly monitor aligning
The lifting displacement of roller 31, further improves straightening quality.
In summary, it is of the invention compared with traditional cross-roll straightening machine, hollow billet, aligning effect are aligned by straight roll straightening mechanism
Rate is high, and pipe outer surface quality is good, no spiral trace, and can realize the aligning in the range of tubing overall length, eliminates straightening blind area,
Straightening quality is influenceed after smoothing roll abrasion small.Tubing especially big to non-ferrous metal or radius-thickness ratio etc. is aligned by skew roller type
The bad situation of machine leveling effect, straightening quality can greatly improve by straight roll leveller.
Although exemplary embodiment describing the present invention with reference to several, it is to be understood that, term used is explanation and shown
Example property and nonrestrictive term.Because the present invention can be embodied without departing from the spiritual or real of invention in a variety of forms
Matter, it should therefore be appreciated that above-described embodiment is not limited to any foregoing details, and should be in the spirit that appended claims are limited
With widely explained in scope, therefore the whole changes fallen into claim or its equivalent scope and remodeling all should be the power of enclosing
Profit requires to be covered.
Claims (10)
1. a kind of straight roll-type tube straightener for pipe, for being straight hollow billet by non-straight hollow billet aligning, wherein, straight roll-type tube straightening
Machine includes：
Support body mechanism, including entablature, sill, base and column, base are located on workbench, and sill is fixed on base
On, entablature is supported on sill by the way that column is parallel；
Entablature is fixed in elevating mechanism, including drive division and lifting unit, one end of lifting unit, and drive division can drive lifting unit
The other end lifting；And
Rotating and straightening roller mechanism, including a upper straightening roll and twice smoothing rolls, upper straightening roll are connected with lifting unit, twice smoothing rolls
Be supported on sill, upper straightening roll it is placed in the middle on twice smoothing rolls, and upper straightening roll and twice smoothing rolls
Diameter parallel, upper straightening roll can be driven by lifting unit and vertically lift, and upper straightening roll and twice smoothing rolls are respectively by horse
Rotated up to driving；
Wherein, after non-straight hollow billet is transported to twice smoothing rolls, upper straightening roll, which drops to, to be pressed on hollow billet so that hollow billet is sent out
Raw plastic deformation to the section of hollow billet is ellipse, and upper straightening roll and twice smoothing rolls are in the rotary course of hollow billet surface so that
Hollow billet is squeezed into section as circle by upper straightening roll and twice smoothing rolls, and the center of circle of each circular cross-section is on the same axis,
It is straight hollow billet so as to which non-straight hollow billet be aligned.
2. straight roll-type tube straightener for pipe as claimed in claim 1, wherein, upper straightening roll and twice smoothing rolls are turned with identical
Fast rotating Vortex, upper straightening roll and twice smoothing rolls are cylinder and surface is smooth.
3. straight roll-type tube straightener for pipe as claimed in claim 2, wherein, support body mechanism also includes hoisting cross beam, and its is parallel
Between entablature and sill, column passes through hoisting cross beam, and hoisting cross beam is fixedly connected with the other end of lifting unit, lifting
The both ends of crossbeam are respectively provided with a bearing, one end connection of each bearing and upper straightening roll, and drive division drives the other end of lifting unit
During lifting, hoisting cross beam and upper straightening roll lift therewith.
4. straight roll-type tube straightener for pipe as claimed in claim 3, wherein, rotating and straightening roller mechanism also includes upper backup roll, its
The lower surface of hoisting cross beam is rotatably mounted to, upper backup roll contacts with the surface of upper straightening roll, when upper straightening roll rotates
Drive upper backup roll rotation.
5. straight roll-type tube straightener for pipe as claimed in claim 4, wherein, rotating and straightening roller mechanism also includes lower backing roll, its
The upper surface of sill is rotatably mounted to, lower backing roll contacts with the surface of twice smoothing rolls, when smoothing roll rotates instantly
Drive lower backing roll rotation.
6. straight roll-type tube straightener for pipe as claimed in claim 5, wherein, uniformly set along the longitudinal direction of straight roll-type tube straightener for pipe
There are multiple upper backup rolls and lower backing roll, and upper backup roll and lower backing roll position correspondence.
7. straight roll-type tube straightener for pipe as claimed in claim 1, wherein, uniformly set along the longitudinal direction of straight roll-type tube straightener for pipe
There are multiple lifting units, and connected between adjacent lifting unit by shaft coupling.
8. straight roll-type tube straightener for pipe as claimed in claim 1, wherein, rotating and straightening roller mechanism also includes multiple along straight roller
The longitudinal direction of formula tube straightener for pipe is uniform and the lifting transport roller of the setting of alignment, lifting transport roller include support base and transport roller,
Support base is liftable to be installed on sill, and transport roller is rotatable to be connected with support base, and the rotating shaft of transport roller and lower aligning
The axis of roller is vertical.
9. straight roll-type tube straightener for pipe as claimed in claim 1, wherein, rotating and straightening roller mechanism also includes encoder and displacement
Sensor, the displacement during the pushing of upper straightening roll is recorded by encoder, moved when displacement transducer senses upper straightening roll
During dynamic preset distance, upper straightening roll stop signal is sent.
10. a kind of method for aligning of straight roll-type tube straightener for pipe using any one of claim 1 to 9, it include with
Lower step：
Lifting unit is set to drive upper straightening roll to rise；
Non-straight hollow billet is transported on twice smoothing rolls；
Make lifting unit drive upper straightening roll to drop to be pressed on hollow billet so that it is ellipse that plastic deformation to the section of hollow billet, which occurs, for hollow billet
It is circular；
Motor drives upper straightening roll and the rotation of twice smoothing rolls respectively, and hollow billet is by the upper straightening roll rotated and twice smoothing rolls
Extruding causes the section of hollow billet into circle, and the center of circle of each circular cross-section is on the same axis, so as to which non-straight hollow billet be rectified
It is directly straight hollow billet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971250.4A CN105598214B (en) | 2015-12-21 | 2015-12-21 | A kind of straight roll-type tube straightener for pipe and method for aligning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971250.4A CN105598214B (en) | 2015-12-21 | 2015-12-21 | A kind of straight roll-type tube straightener for pipe and method for aligning |
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| CN105598214A CN105598214A (en) | 2016-05-25 |
| CN105598214B true CN105598214B (en) | 2017-12-15 |
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| CN201510971250.4A Active CN105598214B (en) | 2015-12-21 | 2015-12-21 | A kind of straight roll-type tube straightener for pipe and method for aligning |
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| CN106623506A (en) * | 2016-11-17 | 2017-05-10 | 燕山大学 | Roller-type integral round setting technique for pipe |
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| CN106424218B (en) * | 2016-11-17 | 2018-04-03 | 燕山大学 | A kind of continuous set round equipment of tubing roll-type and processing method |
| CN109226364A (en) * | 2018-10-15 | 2019-01-18 | 珠海市格努科技有限公司 | A kind of outer circle roller arrangement |
| CN109623523B (en) * | 2018-12-17 | 2020-11-10 | 安徽宝泰特种材料有限公司 | Online grinding device for straightening roller of pipe straightening machine |
| CN110355239A (en) * | 2019-07-25 | 2019-10-22 | 温州鹏象管件有限公司 | A kind of accurate levelling means for stainless steel pipe processing |
| CN110479798A (en) * | 2019-08-15 | 2019-11-22 | 大连市旅顺顺兴建筑机械厂 | Spiral form straightening mechanism |
| CN112222233A (en) * | 2020-10-01 | 2021-01-15 | 崔通来 | Stainless steel section bar straightening machine |
| CN113894170B (en) * | 2021-10-13 | 2022-11-15 | 北京科技大学 | Double-roller driving extrusion forming device and process for hollow screw rod |
| CN113976674A (en) * | 2021-10-26 | 2022-01-28 | 沈阳康特机电设备有限公司 | Sizing and straightening device for longitudinal welded pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2120113U (en) * | 1992-05-12 | 1992-10-28 | 佳木斯煤矿机械厂 | Three-roll quench cooling and straightening device |
| US5193376A (en) * | 1991-10-15 | 1993-03-16 | Weitl Gary E | Machine and method for repairing damaged grain aeration pipes |
| CN2734770Y (en) * | 2004-03-29 | 2005-10-19 | 武茂灿 | Bearing supported labyrinth type waterproof long-tri-roller aligning quenching machine tool |
| CN102335684A (en) * | 2010-07-19 | 2012-02-01 | 巨力索具股份有限公司 | Upsetting steel draw bar straightening machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100991537B1 (en) * | 2009-08-18 | 2010-11-04 | 황영하 | Pipe straightening device |
-
2015
- 2015-12-21 CN CN201510971250.4A patent/CN105598214B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193376A (en) * | 1991-10-15 | 1993-03-16 | Weitl Gary E | Machine and method for repairing damaged grain aeration pipes |
| CN2120113U (en) * | 1992-05-12 | 1992-10-28 | 佳木斯煤矿机械厂 | Three-roll quench cooling and straightening device |
| CN2734770Y (en) * | 2004-03-29 | 2005-10-19 | 武茂灿 | Bearing supported labyrinth type waterproof long-tri-roller aligning quenching machine tool |
| CN102335684A (en) * | 2010-07-19 | 2012-02-01 | 巨力索具股份有限公司 | Upsetting steel draw bar straightening machine |
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| CN105598214A (en) | 2016-05-25 |
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