CN103302101A - Swinging arm type rolling frame - Google Patents
Swinging arm type rolling frame Download PDFInfo
- Publication number
- CN103302101A CN103302101A CN2013102740294A CN201310274029A CN103302101A CN 103302101 A CN103302101 A CN 103302101A CN 2013102740294 A CN2013102740294 A CN 2013102740294A CN 201310274029 A CN201310274029 A CN 201310274029A CN 103302101 A CN103302101 A CN 103302101A
- Authority
- CN
- China
- Prior art keywords
- swinging arm
- swing arm
- support
- arm assemblies
- rolling
- 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.)
- Pending
Links
Images
Landscapes
- Automatic Assembly (AREA)
Abstract
The invention discloses a swinging arm type rolling frame which comprises a support locked in a continuous mill housing and provided with a central hole, wherein balance cylinders are fixed on the inner wall of the support through balance cylinder supporting seats; swinging arm assemblies mounted with rollers are hinged to the inner wall of the support; hydraulic rods of the balance cylinders are hinged to the swinging arm assemblies, so as to ensure that cushion blocks mounted on the swinging arm assemblies are always pressed against and lean against pressing heads of downward-pressing cylinders; the key points are as follows: the swinging axis of each swinging arm assembly in the support is vertical to a rolling central line; the swinging arm assemblies can ensure that centrosymmetric surfaces of rollers are always in the same plane with the rolling central line during swinging; symmetrical pass points of rollers are always kept symmetrical in the swinging arm assembly adjusting process, and have the same linear velocity, which is conducive to improvement on precision of size of each rolled piece; a swing type roll gap adjusting mechanism is adopted, and positioning of the swinging arm assemblies mainly relies on hinged shafts of the swinging arm assemblies, so that positioning is easy, wear is uniform, and higher accuracy of positioning can be kept for a long time.
Description
Technical field
The present invention relates to the rolling equipment field of metal pipe material or line bar, particularly relate to a kind of rolling machine frame that can more effectively regulate rolling roll gap.
Background technology
At present, in the roll seamless steel tube production line, milling train is the main extensional equipment of seamless steel pipe.Three-roller tandem rolling tube machine since its pass constitute rationally, rolling hollow forging distortion evenly, so product wall thickness accuracy and surface quality are higher.
Publication number is to disclose a kind of rolling machine frame with three or more adjustable arms in the Chinese invention patent application of CN1293600, can make three to be installed in rolls assembling in the swing arm around rolling axis rotation, to adjust the position of roll.Because roll swing arm rotation is parallel with rolling centerline, swing arm causes that in rotary course roll has produced displacement along its axis, cause the linear velocity of roll center bilateral symmetry pass point not quite identical, the closure of pass reduces, and has influenced the rolled piece surface quality.
The Chinese patent publication number is to disclose a kind of three-high mill in the patent of invention file of CN101195125 and CN101658866, and the roller sliding base that is connected with roll is slided along the gathering sill vertical with the roll center line.Because the roll center line moves radially along depressing direction all the time, roll center bilateral symmetry pass point linear velocity unanimity, but there is the sliding friction between copper and the steel in this scheme between roll assembling and the support, and can't regulate, copper coin is in case wear and tear and can only change, therefore in use there is the problem of copper coin wearing and tearing and the distortion of colliding with in this scheme, and then causes the roll positioning accuracy to reduce, and has a strong impact on rolling quality.
Summary of the invention
The object of the present invention is to provide a kind of roll gap that can improve to adjust precision and roll positioning accuracy, can reduce the swing arm rolling machine frame of roll wear problem in the roll gap adjustment process again.
To achieve these goals, by the following technical solutions: a kind of swing arm rolling machine frame, comprise the support with centre bore that is locked in the tandem mill memorial archway, be hinged with the swing arm assembling on the inwall of support, also be provided with on the described rolling machine frame and press mechanism, guarantee that the cushion block that is installed in the swing arm fit on is pressed against on the pressure head of depressing cylinder all the time, is characterized in that: the axis of oscillation that described swing arm is assemblied in the support is vertical with rolling centerline.
The described mechanism of pressing is compensating cylinder, and compensating cylinder is fixed on by the compensating cylinder supporting seat on the inwall of support, and the hydraulic stem of compensating cylinder is hinged on the swing arm fit on, guarantees that the cushion block that is installed in the swing arm fit on is pressed against on the pressure head of depressing cylinder all the time.
The described mechanism of pressing is electromagnet.
Compared with prior art, the present invention has following beneficial effect, because the hinged center line of swing arm assembling is vertical with rolling centerline, therefore, swing arm is assemblied in the swing process, can guarantee rolling centerline all the time with each roll center plane of symmetry in same plane, roll symmetrical pass point also remains symmetry in swing arm assembling adjustment process, and have identical linear velocity, be beneficial to the dimensional accuracy that improves rolled piece; Owing to adopt the swing type roll-separating mechanism, the location of swing arm assembling mainly relies on the jointed shaft of swing arm assembling, so the location easily, and in its military service process, wearing and tearing evenly can keep high orientation precision for a long time.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is stereogram of the present invention.
1-depresses cylinder, 2-pressure head, 3-cushion block, 4-compensating cylinder, 5-swing arm assembling, 6-supporting seat, 7-roll, 8-compensating cylinder supporting seat, CL-rolling centerline, 9-support, 10-centre bore.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the application of the present invention in the roll seamless steel tube field is described further, but therefore do not limit the invention among the following specific embodiment.
As depicted in figs. 1 and 2, rolling machine frame comprises 9, three compensating cylinders 4 of a support and supporting compensating cylinder supporting seat 8 and swing arm assembling 5 etc., and roll 7 is installed in the swing arm assembling 5, a plurality of rolls 7 are formed the rolling groove of an approximate sealing, and rolling primary condition is provided.Each swing arm assembling 5 is hinged in the support 9, all can do the swing of certain amplitude, and to adjust the pass size of being made up of a plurality of rolls 7, the swing arm assembling 5 that can do the certain amplitude swing has constituted the roll-separating mechanism in the rolling machine frame; Depressing cylinder 1 accurately is pressed against on the cushion block 3 of swing arm assembling 5 according to requirements such as product mixs, stop swing arm assembling 5 when being subjected to roll-force, outwards to be swung, compensating cylinder 4 one ends are hinged on the support 9, one end is hinged in the swing arm assembling 5, lasting pulling force is provided, guarantee that swing arm assembling 5 no matter whether roll 7 is subjected under the situation of roll-force, all abuts against on the pressure head 2 of depressing cylinder 1, depress the accurate location drive system that cylinder 1 and compensating cylinder 4 have constituted roll-separating mechanism together.The hinged center line of swing arm assembling 5 is vertical with rolling centerline CL, therefore, swing arm assembling 5 is in swing process, can guarantee rolling centerline CL all the time with each roll plane of symmetry in same plane, roll symmetrical pass point assembles in swing arm and also remains symmetry in 5 adjustment processes, and have identical linear velocity, be beneficial to the dimensional accuracy that improves rolled piece.
In concrete use, when needs are adjusted in the rolling machine frame roll gap size, because compensating cylinder 4 draws swing arm assembling 5 and leans against on the pressure head 2 of depressing cylinder 1, therefore, as long as the pendulum angle that cylinder 1 piston rod overhang can accurately be controlled swing arm assembling 5 is depressed in control, thereby can accurately control the roll gap size, be implemented under the situation of using less tool and mould, can roll out the seamless steel pipe of various outer diameter and wall thickness.
Certainly adopt three rolls, three balance bars in the present embodiment, also can adopt four or more roll and balance bar to realize pressure rolling work.
The mechanism of pressing in the present embodiment has used balance bar to come cushion block is clamped, also can adopt the mode of electromagnet, electromagnet namely is set, after the energising below cushion block, electromagnet firmly attracts cushion block, guarantees that the cushion block that is installed in the swing arm fit on is pressed against on the pressure head of depressing cylinder all the time.
Mainly set forth the rolling of tubing in the embodiment of the invention, certainly also rolling applicable to such as rhabodoids such as slab, bar, wire rods.
Claims (3)
1. swing arm rolling machine frame, comprise the support with centre bore that is locked in the tandem mill memorial archway, be hinged with the swing arm assembling on the inwall of support, also be provided with on the described rolling machine frame and press mechanism, guarantee that the cushion block that is installed in the swing arm fit on is pressed against on the pressure head of depressing cylinder all the time, is characterized in that: the axis of oscillation that described swing arm is assemblied in the support is vertical with rolling centerline.
2. swing arm rolling machine frame as claimed in claim 1, it is characterized in that: the described mechanism of pressing is compensating cylinder, compensating cylinder is fixed on the inwall of support by the compensating cylinder supporting seat, the hydraulic stem of compensating cylinder is hinged on the swing arm fit on, guarantees that the cushion block that is installed in the swing arm fit on is pressed against on the pressure head of depressing cylinder all the time.
3. swing arm rolling machine frame as claimed in claim 1, it is characterized in that: the described mechanism of pressing is electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102740294A CN103302101A (en) | 2013-07-02 | 2013-07-02 | Swinging arm type rolling frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102740294A CN103302101A (en) | 2013-07-02 | 2013-07-02 | Swinging arm type rolling frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103302101A true CN103302101A (en) | 2013-09-18 |
Family
ID=49128070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102740294A Pending CN103302101A (en) | 2013-07-02 | 2013-07-02 | Swinging arm type rolling frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103302101A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03174908A (en) * | 1989-12-04 | 1991-07-30 | Sumitomo Heavy Ind Ltd | Inner housing type rolling mill with plural rolls |
| CN1077665A (en) * | 1992-04-15 | 1993-10-27 | 因斯因勒申蒂工程有限公司 | Rolling-mill housing |
| CN1132671A (en) * | 1994-12-28 | 1996-10-09 | 因斯，因诺森特工程公司 | Rolling unit for rolling rod-shaped or tubular bodies |
| CN203343178U (en) * | 2013-07-02 | 2013-12-18 | 中冶赛迪工程技术股份有限公司 | Swing-arm-type rolling machine frame |
-
2013
- 2013-07-02 CN CN2013102740294A patent/CN103302101A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03174908A (en) * | 1989-12-04 | 1991-07-30 | Sumitomo Heavy Ind Ltd | Inner housing type rolling mill with plural rolls |
| CN1077665A (en) * | 1992-04-15 | 1993-10-27 | 因斯因勒申蒂工程有限公司 | Rolling-mill housing |
| CN1132671A (en) * | 1994-12-28 | 1996-10-09 | 因斯，因诺森特工程公司 | Rolling unit for rolling rod-shaped or tubular bodies |
| CN203343178U (en) * | 2013-07-02 | 2013-12-18 | 中冶赛迪工程技术股份有限公司 | Swing-arm-type rolling machine frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201008878Y (en) | Cluster mill | |
| US7302820B2 (en) | Method for changing the configuration of a rolling mill and advanced rolling mill for carrying out said method | |
| CN103909093A (en) | Six-roller mill with small roller diameters and rolling control method | |
| CN203343178U (en) | Swing-arm-type rolling machine frame | |
| CN103920715A (en) | Dual-supporting device applicable to small-roller-diameter six-roller mill | |
| CN105964691A (en) | Novel ten-roller steel plate cold-rolling mill structure | |
| CN110038921A (en) | A kind of welded still pipe sizing straightening process | |
| CN101658862A (en) | Sheet rolling mill with hydraulic screwdown on support roll | |
| CN103302101A (en) | Swinging arm type rolling frame | |
| CN102921722A (en) | H-shaped steel rolling equipment and method | |
| CN203900152U (en) | Packing paper device for producing cold-rolled steel coil | |
| CN101543853B (en) | Non-driven on-line flat steel hot straightening machine | |
| CN103920712B (en) | A kind of axial locking device | |
| CN203565471U (en) | Four-roller continuous rolling pipe mill | |
| CN104607610A (en) | Dedicated zero section equipment for extra-thick slab conticaster | |
| CN205200270U (en) | Cylinder machine of closing up | |
| CN203830418U (en) | Supporting roller horizontal shift adjusting locking device of rolling mill | |
| CN202667263U (en) | Improved wear-preventing structure for roll gap adjusting device | |
| CN203900097U (en) | Six-roller mill | |
| CN204294657U (en) | A kind of drawbench equipment | |
| CN201440630U (en) | Device for winding iron core of vehicle generator | |
| CN202329678U (en) | Encoder-mounting bracket for mandrel back-up rolls | |
| CN101780481A (en) | Five-roll tensioner | |
| CN109909302A (en) | A kind of slab casting-rolling method in continuous casting machine fan-shaped segment exit | |
| CN104815847A (en) | Device for clamping connecting shaft of rolling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130918 |