CN104772370B - Angle adjusting mechanism for lower roller of straightening machine - Google Patents
Angle adjusting mechanism for lower roller of straightening machine Download PDFInfo
- Publication number
- CN104772370B CN104772370B CN201510193544.9A CN201510193544A CN104772370B CN 104772370 B CN104772370 B CN 104772370B CN 201510193544 A CN201510193544 A CN 201510193544A CN 104772370 B CN104772370 B CN 104772370B
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- Prior art keywords
- cavity
- thread
- push rod
- internal thread
- section
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses an angle adjusting mechanism for a lower roller of a straightening machine. The angle adjusting mechanism comprises a casing, an installing cavity formed in the casing, a pushing rod arranged in the installing cavity, internal threads at one end of the pushing rod, an inner screw in screw connection with the internal thread, a pushing head and a driving mechanism for driving the inner screw to rotate, wherein the pushing head is connected with the other end of the pushing rod and arranged outside the installing cavity. The angle adjusting mechanism is simple in structure, convenient to manufacture, long in service life and low in fault rate and can adjust an angle of the lower roller of the straightening machine according to needs.
Description
Technical field
The present invention relates to steel pipe manufacturing technical field, more specifically to a kind of straightener lower roll adjusting angle mechanism.
Background technology
Steel pipe in process of production, needs to use straightener and is aligned, and such as patent application is good
The Chinese invention patent of CN201310703981.1 discloses a kind of method for aligning of seamless pipe, and six-roller straightener smoothing roll turns
In 588～592rpm, roller-way frequency is 29～29.3Hz to numerical control system.The present invention can escape seamless pipe tip position in aligning,
Pipe end ovality control accuracy is greatly improved, make heat treatment seamless pipe pipe end ovality by 1-2mm before reduce to 1mm with
Interior, traditional method of indicating the pronunciation of a Chinese character rate declines, and qualification rate rises with lumber recovery, and product quality is significantly improved, and can not only reduce the production cost of seamless pipe,
And user's thread qualification rate can be improved, reduce quality objection rate.
But, the lower roll of existing straightener is fixed when being operated, and this has been had a strong impact on to steel
The effect and efficiency of pipe aligning.
The content of the invention
It is an object of the invention to provide for the deficiencies in the prior art part, there is provided a kind of straightener lower roll adjusting angle mechanism,
The deficiencies in the prior art part can be overcome, its simple structure is easy to make, can as needed to the lower roll angle of straightener
It is adjusted, long service life, fault rate is low.
In order to solve above-mentioned technical problem, technical scheme is as follows：Straightener lower roll adjusting angle mechanism, including it is outer
Shell, the internal thread, the spiral shell that set installation cavity in the housing, the push rod being located in the installation cavity, be located at described push rod one end
The inner screw being connected in the internal thread and the push rod other end connection and the pusher head outside the installation cavity and
For the drive mechanism for driving the inner screw to rotate.
Preferably, the drive mechanism includes reducing motor.
Preferably, the push rod includes connecting rod and with connecting rod connection and with diameter greater than the connecting rod
Guide post.
Preferably, the installation cavity include with the guide post coordinate directed cavity and with the directed cavity communicate and
The sliding cavity that the connecting rod coordinates, and the length of the sliding cavity is the 1/4-1/3 of the guiding cavity length.
Preferably, the inner screw includes and the end thread section of the screw-internal thread fit, end linkage section and described
End thread section connection the shaft shoulder and the shaft shoulder connection construction section and positioned at the construction section and the end linkage section
Between intermediate thread section.
Preferably, the internal thread is trapezoidal thread, specification is Tr70x4.
Preferably, the construction section is provided with two bearings and the spacer between two bearings, the centre
Thread segment is provided with clamp nut.
Preferably, the spacer include two while set, be located at two while cover between multiple disc springs and by described two
The shank that individual side set is coupled together.
Preferably, the uniform multiple rotatable steel balls in the side of the side set and the bearing touch, the side set bag
Inner sleeve, overcoat and the elastic intermediate sleeve being located between the inner sleeve and overcoat are included, the steel ball is located on the overcoat side,
And have gap between the inner sleeve and the bearing.
Beneficial effect of the present invention is：Simple structure, it is easy to make, the lower roll angle of straightener can be entered as needed
Row is adjusted, and long service life, fault rate is low.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is described further：
Fig. 1 is the appearance schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural representation of Fig. 1；
Fig. 3 is the structure chart of inner screw；
Fig. 4 is the structural representation of push rod；
Fig. 5 is the structural representation of the embodiment of the present invention 2；
Fig. 6 is the structural representation of the embodiment of the present invention 3.
Specific embodiment
Described below is only presently preferred embodiments of the present invention, and not the scope of the present invention is defined.
Embodiment 1, is shown in accompanying drawing 1,2,3,4, straightener lower roll adjusting angle mechanism, including shell 1, is located in the shell 1
Installation cavity 2, the push rod 3 being located in the installation cavity 2, the internal thread 4 for being located at the one end of the push rod 3, it is screwed onto the internal thread 4
In inner screw 5 and the connection of the other end of the push rod 3 and the pusher head outside the installation cavity 2 and for driving
State the drive mechanism 6 of the rotation of inner screw 5；The end of shell 1 is provided with end cap, and end cap and shell 1 are spirally connected fixation, and drive mechanism 6 is driven
Dynamic inner screw rotation, in the present embodiment, the drive mechanism 6 includes reducing motor.
The push rod 3 includes connecting rod 301 and connects with the connecting rod 301 and with diameter greater than the connecting rod 301
Guide post 302；The length of guide post 302 for the length of connecting rod 301 1/3, connecting rod one end depths installation cavity 2, and
The end is provided with connector；The installation cavity 2 includes the directed cavity 201 coordinated with the guide post 302 and leads with described
The sliding cavity 202 coordinated with the connecting rod 301 is communicated to chamber 201, and the length of the sliding cavity 202 is the directed cavity
The 1/4-1/3 of 201 length.
The inner screw 5 includes end thread section 501, the end linkage section 502 and described coordinated with the internal thread 4
End thread section 501 connection the shaft shoulder 503 and the shaft shoulder 503 connection construction section 504 and positioned at the construction section 504
And the intermediate thread section 505 between the end linkage section 502.End linkage section 502 and reducing motor connect, end thread section
501 and internal thread connection.
The internal thread 4 is trapezoidal thread, and specification is Tr70x4, likewise, the external screw thread on end thread end 501 is also
Trapezoidal thread, specification is Tr70x4；Be provided with the construction section 504 two bearings 7 and between two bearings 7 every
Set 8, the intermediate thread section 505 is provided with clamp nut 9, and spacer 8 separates on two bearings 7, and clamp nut 9 is by two bearings
Limit, prevent it from play occurring；Clamp nut quantity is two, and one of them is used to prevent another clamp nut from retreating,
Play a part of locking.
When work, reducing motor drives inner screw rotation so that push rod 3 is moved, the lower roll angle to straightener
It is adjusted.
Embodiment 2, is shown in accompanying drawing 5；The spacer 8 include two while set, be located at two while cover between multiple disc springs and
The shank that described two sides set is coupled together, the quantity of disc spring is multiple, and particular number determines according to the actual requirements, grafting
Bar quantity is two, and two ends are plugged on respectively in two side sets so that side set can slide on shank, meanwhile, shank
Spacing salient point is provided with, prevents side set from moving inward excess, than more preferably, shank is elastic hollow bar, by spring steel
Into.
The uniform multiple rotatable steel balls in side of side set and the bearing touch, steel ball with bearing touch when
Wait, can rotate, further, the side set includes inner sleeve, overcoat and is located between the inner sleeve and overcoat
Elastic intermediate sleeve, the steel ball is located on the overcoat side, and has gap between the inner sleeve and the bearing, beginning when
Wait, the gap width for being steel ball and bearing touch, the inner sleeve and the bearing is 0.2-0.3mm, and remaining is with embodiment 1.
Embodiment 3, is shown in accompanying drawing 6；End cap is provided with the inserting end stretched in installation cavity 2, and inserting end 11 includes stretching into shell, interior
Shell and the space stretched between shell and inner casing is located at, fluid is full of in space, gassy in inner casing stretches into shell wall thickness
0.2-0.3mm, and the outer layer thickness of inserting end is 0.5-1mm, remaining is with embodiment 1.
Described above is only explanation of the invention so that those of ordinary skill in the art's can completely implements we
Case, but be not limitation of the present invention, those skilled in the art can as needed to this reality after this specification is read
Apply example and make the modification without creative contribution, these are all not creative modifications.But as long as in the right of the present invention
All protected by Patent Law in claimed range.
Claims (3)
1. straightener lower roll adjusting angle mechanism, it is characterised in that：Including shell（1）, be located at the shell（1）In installation cavity（2）、
It is located at the installation cavity（2）In push rod（3）, be located at the push rod（3）The internal thread of one end（4）, be screwed onto the internal thread
（4）In inner screw（5）And the push rod（3）The other end connects and positioned at the installation cavity（2）The pusher head and use of outside
In the driving inner screw（5）The drive mechanism of rotation（6）；The inner screw（5）Including with the internal thread（4）The end of cooperation
Portion's thread segment（501）, end linkage section（502）And the end thread section（501）The shaft shoulder of connection（503）And the shaft shoulder
（503）The construction section of connection（504）And positioned at the construction section（504）With the end linkage section（502）Between centre
Thread segment（505）；The construction section（504）It is provided with two bearings（7）And positioned at two bearings（7）Between spacer（8）,
The intermediate thread section（505）It is provided with clamp nut（9）；The spacer（8）Between covering when covering, being located at two including two
Multiple disc springs and by described two sides shank for coupling together of set；The side of the side set and the bearing touch is uniform
Multiple rotatable steel balls, the side set includes inner sleeve, overcoat and the elastic intermediate sleeve being located between the inner sleeve and overcoat,
The steel ball is located on the overcoat side, and has gap between the inner sleeve and the bearing；The push rod（3）Including connection
Bar（301）And with the connecting rod（301）Connect and with diameter greater than the connecting rod（301）Guide post（302）；It is described
Installation cavity（2）Including with the guide post（302）The directed cavity of cooperation（201）And with the directed cavity（201）Communicate and institute
State connecting rod（301）The sliding cavity of cooperation（202）, and the sliding cavity（202）Length be the directed cavity（201）Length
1/4-1/3。
2. straightener lower roll adjusting angle mechanism according to claim 1, it is characterised in that：The drive mechanism（6）Including subtracting
Speed motor.
3. straightener lower roll adjusting angle mechanism according to claim 1, it is characterised in that：The internal thread（4）For trapezoidal spiral shell
Line, specification is Tr70x4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193544.9A CN104772370B (en) | 2015-04-23 | 2015-04-23 | Angle adjusting mechanism for lower roller of straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193544.9A CN104772370B (en) | 2015-04-23 | 2015-04-23 | Angle adjusting mechanism for lower roller of straightening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104772370A CN104772370A (en) | 2015-07-15 |
| CN104772370B true CN104772370B (en) | 2017-05-10 |
Family
ID=53614311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510193544.9A Active CN104772370B (en) | 2015-04-23 | 2015-04-23 | Angle adjusting mechanism for lower roller of straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104772370B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108971273B (en) * | 2018-08-31 | 2024-05-17 | 江苏宏宝优特管业制造有限公司 | Stable steel pipe straightener |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020205A (en) * | 2006-12-25 | 2007-08-22 | 西安重型机械研究所 | Method of regulating inclination angle of straightening roller |
| CN201978973U (en) * | 2011-01-13 | 2011-09-21 | 宝山钢铁股份有限公司 | Straightening roll angle regulating device for inclined straightening machine |
| CN202779290U (en) * | 2012-08-10 | 2013-03-13 | 太原科技大学 | Lower roll angle adjusting device of tubular bar straightening machine |
| CN203363354U (en) * | 2013-06-06 | 2013-12-25 | 天津百利二通机械有限公司 | Electric valve actuator worm shaft sleeve structure |
| CN103934317A (en) * | 2014-04-17 | 2014-07-23 | 中国重型机械研究院股份公司 | Angle adjustment mechanism of bar straightener |
| CN204602903U (en) * | 2015-04-23 | 2015-09-02 | 浙江久立特材科技股份有限公司 | Straightener lower roll adjusting angle mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101424629B1 (en) * | 2013-12-24 | 2014-08-04 | 주식회사 케이티엠테크 | Adjustment device spacing and angle of correction rollers for pipe straightener |
-
2015
- 2015-04-23 CN CN201510193544.9A patent/CN104772370B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020205A (en) * | 2006-12-25 | 2007-08-22 | 西安重型机械研究所 | Method of regulating inclination angle of straightening roller |
| CN201978973U (en) * | 2011-01-13 | 2011-09-21 | 宝山钢铁股份有限公司 | Straightening roll angle regulating device for inclined straightening machine |
| CN202779290U (en) * | 2012-08-10 | 2013-03-13 | 太原科技大学 | Lower roll angle adjusting device of tubular bar straightening machine |
| CN203363354U (en) * | 2013-06-06 | 2013-12-25 | 天津百利二通机械有限公司 | Electric valve actuator worm shaft sleeve structure |
| CN103934317A (en) * | 2014-04-17 | 2014-07-23 | 中国重型机械研究院股份公司 | Angle adjustment mechanism of bar straightener |
| CN204602903U (en) * | 2015-04-23 | 2015-09-02 | 浙江久立特材科技股份有限公司 | Straightener lower roll adjusting angle mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104772370A (en) | 2015-07-15 |
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