CN101844168A - Roll-exchanging device of tube bar straightening machine - Google Patents
Roll-exchanging device of tube bar straightening machine Download PDFInfo
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- CN101844168A CN101844168A CN 201010187566 CN201010187566A CN101844168A CN 101844168 A CN101844168 A CN 101844168A CN 201010187566 CN201010187566 CN 201010187566 CN 201010187566 A CN201010187566 A CN 201010187566A CN 101844168 A CN101844168 A CN 101844168A
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Abstract
The invention relates to a roll-exchanging device of a tube bar straightening machine, relating to production equipment of steel tubes and round bars and solving the problems of great size and weight, high manufacture cost, complicated operation and control, much faults, inconvenient maintenance and much energy consumption of a driving device in the prior art. The roll-exchanging device of a tube bar straightening machine is characterized in that a driving device is an internally braked reducing motor (14) which is connected with a screw (11) by a coupler (13). Compared with a roll-exchanging device of a traditional tube bar straightening machine, the invention has simple and compact structure, small size, light weight, low manufacture, operation and maintenance costs, simple operation and control, low fault rate, convenient maintenance and little energy consumption.
Description
Technical field
The invention belongs to steel pipe and pole material production equipment, be specifically related to the changing rig of key equipment one tube bar straightening machine in steel pipe and the production and processing of pole material.
Background technology
Steel pipe and pole material straightener are one of main transformer shape equipment in steel pipe and the production and processing of pole material, the key component and changing rig is absolutely necessary.
The changing rig of the tube bar straightening machine of prior art is the technology of prolonging with the German MEER of manufacturer, adopts the roller replacing mode of fluid motor-driven.The structure of the changing rig of the tube bar straightening machine of prior art is as shown in Figure 5: its drive unit is a hydraulic motor, concrete structure is that hydraulic motor 18 is fixed on the hydraulic motor bearing 19 by double-screw bolt and nut, hydraulic motor bearing 19 is seated on the roll change support 5, and fixes by bolt, nut.Rolling bearing 20 and external splines power transmission shaft 21 are housed in the hole of hydraulic motor bearing 19 and by end cap 22 with rolling bearing 20 axial restraints.The internal spline output shaft of the splined end of external splines power transmission shaft 21 and hydraulic motor 18 links, and the other end links by shaft coupling 13 and screw mandrel 11.Because the volume of hydraulic motor is big, and must be fixed on the hydraulic motor bearing by vertical hanging, and correlated parts also is housed in the hole of hydraulic motor bearing, it is bigger that this just need make the size of hydraulic motor bearing, like this, structure more complicated, manufacturing cost are just high.Owing to use fluid motor-driven, also must there be hydraulic system in fuel tank, to pump hydraulic oil and supply with hydraulic motor with suitable operating pressure and use with hydraulic pump, and hydraulic pump will provide power with motor or diesel engine, hydraulic system will be made up of pipeline and pipeline fittings etc., hydraulic oil needs the device that filters, heat, cool off, need each control valve and checkout gear, need to change and consume a certain amount of hydraulic oil after use a period of time.Owing to use hydraulic system, inevitable some hydraulic oil is overflow and unavoidable water clock in pipeline, so the efficient reduction of power, power consumption is relatively large, again contaminated environment.
Summary of the invention
The objective of the invention is shortcoming at the prior art existence, a kind of changing rig of tube bar straightening machine is provided, and the drive unit volume and weight of solution prior art is big, manufacturing cost is high, operate and control is complicated, fault is many and keep in repair inconvenience, the many problems of energy resource consumption.
The present invention is achieved through the following technical solutions:
A kind of changing rig of tube bar straightening machine comprises: connecting plate, cushion block, pin, roll change base, roll change support, pull bar, bearing pin, slide, round nut, work nut, screw mandrel, right bearing, left bearing, slide plate, support, shaft coupling and drive unit; Described cushion block pad and by described pin location, is fixed with described connecting plate between lower roller base and last roller seat again; On the described lower bottom base that is supported and fixed on straightener; One end of described roll change support is installed in the upper end of described support, the other end be fixed on described roll change base above; Slide plate and work nut are housed on the described roll change support, and the work nut is fixed in the hole of slide, and with two round nut steady braces, work nut and screw mandrel are formed screw thread pair on the slide; Described pull bar is connected by inserting bearing pin with push-and-pull connector on being fixed on lower roller base; It is characterized in that: described drive unit is the reducing motor of band inside brake, and described reducing motor is connected with screw mandrel through shaft coupling.
Be welded with hanger on the described connecting plate.Described right bearing is a radial thrust bearing, and described left bearing is a self-aligning roller bearing.
The present invention compared with prior art; because roller replacing mode with the reducing motor driving; replaced the roller replacing mode of fluid motor-driven in the prior art; save hydraulic motor and hydraulic pump, saved the motor that drives hydraulic pump, saved hydraulic pressure detection system and hydraulic control system and pipeline and annex thereof etc.; there is not the consumption of hydraulic oil; protected environment, and structure and operation and control are simplified greatly, plurality of advantages such as capacity motor is little.Prior art is simple and compact for structure, volume is little, in light weight, manufacturing cost and operation and maintenance cost is low, operation control is simple, fault rate is low, easy to maintenance, energy resource consumption is few.
Description of drawings
Fig. 1 is a structural representation (front view) of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A view of Fig. 1;
Fig. 4 is the B-B view of Fig. 2;
Fig. 5 is the prior art constructions schematic diagram.
The present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
The specific embodiment
Shown in Fig. 1～4, a kind of changing rig of tube bar straightening machine comprises: connecting plate 1, cushion block 2, pin 3, roll change base 4, roll change support 5, pull bar 6, bearing pin 7, slide 8, round nut 9, work nut 10, screw mandrel 11, right bearing 12, left bearing 15, slide plate 16, support 17, shaft coupling 13 and drive unit.Described cushion block 2 fills up between last roller seat 23 and lower roller base 24, and by described pin 3 location, fixes with described connecting plate 1 again; Described support 17 is located and is fixed on bolt and packing ring on the lower bottom base of straightener by alignment pin; One of described roll change support 5 is sat up straight to drop on and is supported 17 upper end, the vertical direction location is this end that roll change support 5 is held in support 17, horizontal direction location is to realize locating by two seams that have tolerance, the other end of roll change support 5 be fixed on roll change base 4 above; The top of described roll change support 5 is equipped with the slide plate 16 of copper material, both rubs with lower roller base 24 above it during roll change, with slide 8 frictions, because its size is little, in light weight, is easy to after the wearing and tearing change again; Work nut 10 is housed on the roll change support 5, and work nut 10 is fixed in the hole of slide 8, and with two round nuts, 9 steady braces 6, work nut 10 is formed screw thread pair with screw mandrel 11 on the slide 8; Assembling back stay 6 and slide 8 and work nut 10 be an integral body on slide plate 16 slidably.Described pull bar 6 couples together the two with the push-and-pull connector 25 that is fixed on the lower roller base 24 by inserting bearing pin 7.Described drive unit is the reducing motor 14 of band inside brake, and described reducing motor 14 is connected with screw mandrel 11 through shaft coupling 13.
Be welded with hanger 1-1 on the described connecting plate 1, integral lifting when being used for upper and lower smoothing roll linked into an integrated entity together with their roller seats separately.Described right bearing 12 is radial thrust bearings, is axial restraint; Described left bearing 15 is self-aligning roller bearings, floats.
The course of work of the present invention:
During roll change, earlier cushion block 2 is filled up between last roller seat 23 and lower roller base 24, and, fix by bolt, nut with the connecting plate 1 that is welded with hanger 1-1 on it again by pin 3 location, make upper straightening roll 23-1 and following smoothing roll 24-1 be linked to be an integral body, so that upper and lower smoothing roll is changed simultaneously.The nut 10 of will working is fixed on the slide 8, makes slide 8 with work nut 10 horizontal slip on the roll change support 5 of slide plate 16 is being housed.Pull bar 6 usefulness round nuts 9 are fixed on the slide 8; The reducing motor 14 of band inside brake drives through shaft coupling 13 and connects, and drives screw mandrel 11 rotations, and work nut 10 is moved horizontally, thereby slide 8 is moved horizontally with work nut 10 being equipped with on the roll change support 5 of slide plate 16 together with dress pull bar 6 thereon.
When pull bar 6 moves to the hole on it and the hole of fixing push-and-pull connector 25 coincides on lower roller base 24, insert bearing pin 7, lower roller base 24 and pull bar 6 are coupled together.When the reducing motor 14 of band inside brake drives, be linked to be the upper straightening roll 23-1 of an integral body, smoothing roll 24-1 moves horizontally on the roll change support 5 of slide plate 16 being equipped with slide 8 together with their roller seats separately down, passes through lower roll
Sliding above the slide plate 16 is drawn out or pushes, and upper and lower smoothing roll is changed simultaneously.
Claims (3)
1. the changing rig of a tube bar straightening machine comprises: connecting plate (1), cushion block (2), pin (3), roll change base (4), roll change support (5), pull bar (6), bearing pin (7), slide (8), round nut (9), work nut (10), screw mandrel (11), right bearing (12), left bearing (15), slide plate (16), support (17), shaft coupling (13) and drive unit; Described cushion block (2) fills up between lower roller base (24) and last roller seat (23), and by described pin (3) location, uses described connecting plate (1) fixing again; Described support (17) is fixed on the lower bottom base of straightener; One end of described roll change support (5) is installed in the upper end of described support (17), the other end be fixed on described roll change base (4) above; Slide plate (16) and work nut (10) are housed on the described roll change support (5), and work nut (10) is fixed in the hole of slide (8), and slide (8) is gone up with two round nuts (9) steady braces (6), and work nut (10) is formed screw thread pair with screw mandrel (11); Described pull bar (6) is connected by inserting bearing pin (7) with push-and-pull connector (25) on being fixed on lower roller base (24); It is characterized in that: described drive unit is the reducing motor (14) of band inside brake, and described reducing motor (14) is connected with screw mandrel (11) through shaft coupling (13).
2. according to the changing rig of the described tube bar straightening machine of claim 1, it is characterized in that: be welded with hanger (1-1) on the described connecting plate (1).
3. according to the changing rig of the described tube bar straightening machine of claim 1, it is characterized in that: described right bearing (12) is a radial thrust bearing, and described left bearing (15) is a self-aligning roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187566 CN101844168A (en) | 2010-05-26 | 2010-05-26 | Roll-exchanging device of tube bar straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010187566 CN101844168A (en) | 2010-05-26 | 2010-05-26 | Roll-exchanging device of tube bar straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101844168A true CN101844168A (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010187566 Pending CN101844168A (en) | 2010-05-26 | 2010-05-26 | Roll-exchanging device of tube bar straightening machine |
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| CN (1) | CN101844168A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307929A (en) * | 2014-10-13 | 2015-01-28 | 中冶南方工程技术有限公司 | Roll changing gear for cantilever-type parallel roll straightening machine |
| CN104907361A (en) * | 2015-06-17 | 2015-09-16 | 太原重工股份有限公司 | Straightening machine and roller replacing device thereof |
| CN105127245A (en) * | 2015-09-25 | 2015-12-09 | 中国重型机械研究院股份公司 | Rotatable roll changer |
| CN111790774A (en) * | 2020-07-28 | 2020-10-20 | 太原科技大学 | Roll changing base of multi-line hole type section steel straightening machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3208260A (en) * | 1960-08-18 | 1965-09-28 | United Eng Foundry Co | Rolling mill |
| GB1010831A (en) * | 1961-10-20 | 1965-11-24 | United Eng Foundry Co | Roll changing system for universal beam mills and other horizontal roll type rolling mills |
| US4823584A (en) * | 1986-05-30 | 1989-04-25 | Davy Mckee (Sheffield) Limited | Roll change arrangement for beam mill stand |
| GB2224963A (en) * | 1988-11-14 | 1990-05-23 | Schloemann Siemag Ag | Roll stand exchange in a rolling mill |
| CN2248605Y (en) * | 1995-03-30 | 1997-03-05 | 孙乐殿 | Plate-form spring forging press with two rolls |
| CN2928282Y (en) * | 2006-07-25 | 2007-08-01 | 周小芳 | Roller changer for cold rolling mill |
| CN201231250Y (en) * | 2008-07-22 | 2009-05-06 | 天津天重中直科技工程有限公司 | Quick roll changer of hot-strip five roll machine |
| CN101462121A (en) * | 2007-12-19 | 2009-06-24 | 中冶赛迪工程技术股份有限公司 | Wire rod bar blooming mill |
| CN201693029U (en) * | 2010-05-26 | 2011-01-05 | 太原重工股份有限公司 | Roll changing device of steel pipe and round bar straightener |
-
2010
- 2010-05-26 CN CN 201010187566 patent/CN101844168A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3208260A (en) * | 1960-08-18 | 1965-09-28 | United Eng Foundry Co | Rolling mill |
| GB1010831A (en) * | 1961-10-20 | 1965-11-24 | United Eng Foundry Co | Roll changing system for universal beam mills and other horizontal roll type rolling mills |
| US4823584A (en) * | 1986-05-30 | 1989-04-25 | Davy Mckee (Sheffield) Limited | Roll change arrangement for beam mill stand |
| GB2224963A (en) * | 1988-11-14 | 1990-05-23 | Schloemann Siemag Ag | Roll stand exchange in a rolling mill |
| CN2248605Y (en) * | 1995-03-30 | 1997-03-05 | 孙乐殿 | Plate-form spring forging press with two rolls |
| CN2928282Y (en) * | 2006-07-25 | 2007-08-01 | 周小芳 | Roller changer for cold rolling mill |
| CN101462121A (en) * | 2007-12-19 | 2009-06-24 | 中冶赛迪工程技术股份有限公司 | Wire rod bar blooming mill |
| CN201231250Y (en) * | 2008-07-22 | 2009-05-06 | 天津天重中直科技工程有限公司 | Quick roll changer of hot-strip five roll machine |
| CN201693029U (en) * | 2010-05-26 | 2011-01-05 | 太原重工股份有限公司 | Roll changing device of steel pipe and round bar straightener |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307929A (en) * | 2014-10-13 | 2015-01-28 | 中冶南方工程技术有限公司 | Roll changing gear for cantilever-type parallel roll straightening machine |
| CN104907361A (en) * | 2015-06-17 | 2015-09-16 | 太原重工股份有限公司 | Straightening machine and roller replacing device thereof |
| CN105127245A (en) * | 2015-09-25 | 2015-12-09 | 中国重型机械研究院股份公司 | Rotatable roll changer |
| CN111790774A (en) * | 2020-07-28 | 2020-10-20 | 太原科技大学 | Roll changing base of multi-line hole type section steel straightening machine |
| CN111790774B (en) * | 2020-07-28 | 2022-04-01 | 太原科技大学 | Roll changing base of multi-line hole type section steel straightening machine |
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Application publication date: 20100929 |