CN202169277U - Four-roll universal mill - Google Patents
Four-roll universal mill Download PDFInfo
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- CN202169277U CN202169277U CN2011202115162U CN201120211516U CN202169277U CN 202169277 U CN202169277 U CN 202169277U CN 2011202115162 U CN2011202115162 U CN 2011202115162U CN 201120211516 U CN201120211516 U CN 201120211516U CN 202169277 U CN202169277 U CN 202169277U
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- spring
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Abstract
The utility model relates to a four-roll universal mill which comprises a working roll I, a working roll II, a working roll III and a working roll IV, wherein the working rolls I, II, III and IV are distributed in a mutually 90-degree manner in sequence on a same plane, and the four-roll universal roll is characterized in that torsion transmission devices are arranged among the working rolls I, II, III and IV to form a four-driving-roll double-power input structure, or the torsion transmission devices are arranged between the working rolls I and II, between the working rolls II and III, and between the working rolls III and IV so as to form a four-driving-roll single-power input structure. Compared with the prior art, the four-mill universal mill has the advantages that the torsion transmission devices can lead all rolls to transmit torsion, and can ensure that the meshing of bevel gears is reasonable and stable when the torsion is transmitted; and each working roller has a radial and axial adjusting function, so that the rolling size changing requirements on rolling technology can be met; and the four-roll universal mill is particularly applicable to rolling complex economic sectional steels.
Description
Technical field
The utility model relates to the rolling machinery field, relates in particular to a kind of four-roll universal rolling machine.
Background technology
Four working rolls (axle) structure allocation plan of four-roll universal rolling machine is isoplanar 90 ° of distributions each other in the steel rolling field at present, and the transmission configuration mode of this structure has two kinds:
First kind is two configurations of driving: corresponding each other two rollers (axle) fasten down (or about) for driving shaft (roller) be adjacent 90 ° two axles (roller) be for driven roll (axle) be (the free roller that is unpowered connection); Milling train during operation; The roll that two drive rolls (axle) are fastened is participated in initiatively work; And passive of the roll that two other roller (axle) is fastened plays booster action participation work; Because the existence of driven roll causes functions of the equipments not enough, fulfillment capability is poor, the target effect of workpiece deformation bad (seeing accompanying drawing 4).
Second kind is 4 wheel driven configuration: four each other 90 ° axle (roller) be all dynamic input; Roll can both initiatively be participated in work; So compare with the milling train of first kind of configuration, the workpiece processing effect is good, the steel production of special shape also realizes easily; But owing to receive axle and axle umbrella tooth to transmit the restriction of traditional design theory; Can't realize locus (axially, the radially) adjusting between axle (roller) and the axle (roller), satisfy the requirement of the rolling dimensional variations of each passage in the rolling mill practice, so this kind model machine can't onlinely be used (seeing accompanying drawing 5) at all.
Existing patented technology " three roller isoplanar universal mills " (patent No. 87207777) provides a kind of isoplanar universal mill that is used for the full transmission of three rollers that small shaped material two horizontal planes and one-sided vertical plane process simultaneously; Be characterized in that horizontal roller and edge-on roller all have radial and axial guiding mechanism, horizontal roller radially guiding mechanism transmission case is arranged on the guide rail of milling train foot.This utility model only is suitable for three roller situation, inapplicable four roll structures configuration.
Existing patented technology " four-roller universal mill with ring-shaped houses and rotary bearing-bridge " (patent No. 86105397); Designed the four-roll universal rolling machine that a kind of framework memorial archway is provided with along the rolling direction front and back, this milling train characteristic is to have ring flat-plate fancy memorial archway, is made up of two circular steel plates; Its inboard respectively is welded with four briquettings being the cross direction in order to fixing screwdown gear; Rotating flower shelf is arranged in the frame, the assembly roller bearing block can be loaded and unloaded rapidly easily, but can not realize the bidirectional rolling size adjusting of four rollers.
Existing patented technology " the universal mill group of twopiece drive shaft four roller cross adjustable universal mills and composition thereof " (patent No. 200810099438.4) provides a kind of twopiece drive shaft four roller cross adjustable universal mills; Its advantage is: reliable in structure, practicality, compactness; But automatic or manual changes the roll gap of four rolls apace on production line, but can not realize the axial adjustment of roll.
Summary of the invention
The purpose of the utility model provides a kind of four-roll universal rolling machine; Be called for short by " Xue Shi universal mill "; Overcome the deficiency of prior art, realize four axles of milling train (roller) be simultaneously initiatively (rotation) work also can be the function of the radial and axial adjusting of satisfying the online production requirement.
For solving the problems of the technologies described above, the technical scheme of the utility model is:
A kind of four-roll universal rolling machine; Comprise working roll one, working roll two, working roll three and working roll four; Working roll one, working roll two, working roll three and working roll four be 90 ° of distributions each other successively in the isoplanar, between working roll two and working roll three, working roll one and working roll four, torque transmission are set respectively and constitute the double dynamical input structure of four drive rolls.
A kind of four-roll universal rolling machine; Comprise working roll one, working roll two, working roll three and working roll four; Working roll one, working roll two, working roll three and working roll four be 90 ° of distributions each other successively in the isoplanar, torque transmission is set respectively between working roll one and working roll two, working roll two and working roll three, working roll three and working roll four constitutes four drive roll single action power input structures.
Said torque transmission comprises combination gear case, umbrella tooth pair, feather key, thrust bearing, spring; It is secondary to be provided with the umbrella tooth in the combination gear case; Umbrella tooth pair is located at adjacent working roll roll shaft end through feather key respectively, and the umbrella tooth is secondary to be slidingly connected with the roll shaft end, and two engagements form umbrella tooth pair with the umbrella tooth by umbrella tooth one; Be respectively equipped with thrust bearing between the big end surface of umbrella tooth one and umbrella tooth two and the combination gear case, the little end surface of umbrella tooth one and umbrella tooth two is respectively equipped with spring one and spring two.
Said spring one is a stage clip with spring two, and an end links to each other with the little end surface of umbrella tooth, and the other end withstands on the back-up ring of roll shaft end.
Said spring one is extension spring with spring two, and extension spring one end links to each other with roll shaft end blind hole bottom, and the other end links to each other with bearing pin, and bearing pin is horizontal in the slotted hole of roll shaft end, and the bearing pin two ends are stretched out the roll shaft end and are pressed on the little end surface of umbrella tooth.
Said spring one is a stage clip, and stage clip one end links to each other with the little end surface of umbrella tooth, and the stage clip other end withstands on the back-up ring of roll shaft end; Spring two is extension spring, and extension spring one end links to each other with roll shaft end blind hole bottom, and the other end links to each other with bearing pin, and bearing pin is horizontal in the slotted hole of roll shaft end, and the bearing pin two ends are stretched out and are pressed on the little end surface of umbrella tooth.
Said thrust bearing is rolling bearing or sliding bearing.
Said umbrella tooth dotted point relative position secondary and the combination gear case remains unchanged, and relative umbrella tooth pair of working roll axle head and combination gear case endwisely slip.
Compared with prior art; The beneficial effect of the utility model is: 1) making the roller (axle) of 90 ° of configurations each other through torque transmission is that implementation is coupled to each other in twos or the diagonal angle that divides into groups in twos connects; Each (roller) is can both transfer of torque; When doing axial relative motion between axle head and the torque transmission, when guaranteeing the moment of torsion transmission, can keep the reasonability and the stability of umbrella tooth occluding relation.2) each working roll has radial and axial adjustment function simultaneously when four rollers are all realized initiatively work, and workpiece deformation is effective, satisfies the requirement of the rolling dimensional variations of each passage in the rolling mill practice.3) for steel production and processing industry a kind of complete function is provided, broad-spectrum novel steel rolling equipment is specially adapted to the rolling of complicated economy type section steel.
Description of drawings
Fig. 1 is double dynamical input structure configuration embodiment one structural representation of four drive rolls in the utility model;
Fig. 2 is four drive roll single action power input structure configuration embodiment, two structural representations in the utility model;
Fig. 3 is the utility model torque transmission example structure sketch map;
Fig. 4 is the two configuration structure sketch mapes that drive of double dynamical input four rollers in the prior art;
Fig. 5 is double dynamical input four roller 4 wheel driven configuration structure sketch mapes in the prior art.
Among the figure: 1-working roll one 2-working roll two 3-working rolls three 4-working rolls four secondary 8-1-of 5-torque transmission 6-workpiece 7-combination gear case 8-umbrella tooth umbrella teeth one 8-2-umbrella tooth two 9-thrust bearing 10-springs 1 '-spring two 11-working roll 12-working roll 13-blind hole 14-bearing pin 15-slotted hole 16-back-up ring 17-feather keys
The specific embodiment
Be described further below in conjunction with the specific embodiment of accompanying drawing the utility model:
See Fig. 1; It is double dynamical input structure configuration embodiment one structural representation of four drive rolls in the utility model; Comprise working roll 1, working roll 22, working roll 33 and working roll 44; Working roll 1, working roll 22, working roll 33 and working roll 44 be 90 ° of distributions each other successively in the isoplanar; Torque transmission 5 is separately positioned on and constitutes double dynamical input structure between working roll 22 and working roll 33, working roll 1 and the working roll 44, and it is workpiece 6 that working roll 1, working roll 22, working roll 33 intersect the shadow region with working roll 44.Which axle head is the power input point select for use or from which angle (arrangement angles of structure) can decide with concrete condition as required.
See Fig. 2; Be four drive roll single action power input structure configuration embodiment, two structural representations in the utility model; Comprise working roll 1, working roll 22, working roll 33 and working roll 44; Working roll 1, working roll 22, working roll 33 and working roll 44 be 90 ° of distributions each other successively in the isoplanar; Torque transmission 5 is separately positioned on and constitutes single action power input structure between working roll 1 and working roll 22, working roll 22 and working roll 33, working roll 33 and the working roll 44, and it is workpiece 6 that working roll 1, working roll 22, working roll 33 intersect the shadow region with working roll 44.Which axle head is the power input point select for use or from which angle (arrangement angles of structure) can decide with concrete condition as required.
See Fig. 3; Torque transmission comprises that combination gear case 7, umbrella tooth are secondary 8, thrust bearing 9, spring 1 and spring 2 10 '; Be provided with the umbrella tooth secondary 8 that umbrella tooth one 8-1 and umbrella tooth two 8-2 engagement constitutes in the combination gear case 7; Umbrella tooth one 8-1 and umbrella tooth two 8-2 are located at adjacent working roll 11 and working roll 12 ends through feather key 17 respectively; Umbrella tooth and working roll axle head are slidingly connected, and are respectively equipped with thrust bearing 9 between umbrella tooth one 8-1 and umbrella tooth two 8-2 big end surface and the combination gear case 7, umbrella tooth one 8-1 and the little end surface of umbrella tooth two 8-2 be respectively equipped with spring 1 and spring 2 10 '.Thrust bearing 9 can be selected rolling bearing or sliding bearing for use.
When spring 1 was stage clip, spring 2 10 ' for extension spring, spring one 10 one ends linked to each other with the little end surface of umbrella tooth one 8-1, and the other end withstands on the back-up ring 16 of working roll 11 ends; Spring 2 10 ' one end links to each other with working roll 12 end blind holes 13 bottoms, and the other end links to each other with bearing pin 14, and bearing pin 14 is horizontal in working roll 12 end slotted holes 15, and bearing pin 14 two ends are pressed on the little end surface of umbrella tooth two 8-2.
Spring 1 and spring 2 10 ' can be stage clip simultaneously, also can be extension spring simultaneously.Spring 1 and spring 2 10 ' effect be to guarantee that umbrella tooth one 8-1 and umbrella tooth two 8-2 have a power of pressing to thrust bearing 9 all the time, when preventing that working roll from not working, the umbrella tooth gets loose, when working roll was worked, the active force between the umbrella tooth guaranteed that enough the umbrella tooth does not get loose.
The core of the utility model structure is: the attachment point relative position of umbrella tooth secondary 8 and combination gear case 7 remains unchanged; The working roll axle head can realize that relative umbrella tooth secondary 8 and combination gear case 7 endwisely slip freely, and umbrella tooth secondary 8 can be various with combination gear case 7 in version that puts before this and connected mode.
Each torque transmission is as an independent motion unit; When four axles tie up to mutual transfer of torque; Each roll of fastening can carry out respectively axially relatively, radial displacement; But do not influence the relative position between the tooth and tooth in the umbrella tooth pair, so moment of torsion is when transmitting, the secondary occluding relation of umbrella tooth is still rational and stable.Power input between the roller system; Can constitute the configuration free adjustment of (pass) according to four rolls; The connection that the power input of this system can be chosen an end of certain system wantonly realizes; Also can select the axle head of two, three, four axles system to carry out simultaneously, each system axially, the value of radiai adjustment can be as required in torque transmission umbrella tooth pair confirm in the scope of the slippage of working roll axle head.
Each shafting structure of the utility model and power transmission mechanism are arranged on the whole organism frame; Guarantee that each binds the globality and associating configuration feature of closing; Promptly constitute a universal mill, many universal mills set gradually according to the rolling mill practice passage and promptly constitute the universal mill group.
Claims (9)
1. four-roll universal rolling machine; Comprise working roll one, working roll two, working roll three and working roll four; Working roll one, working roll two, working roll three and working roll four be 90 ° of distributions each other successively in the isoplanar; It is characterized in that, between working roll two and working roll three, working roll one and working roll four, torque transmission is set respectively and constitutes the double dynamical input structure of four drive rolls.
2. four-roll universal rolling machine; Comprise working roll one, working roll two, working roll three and working roll four; Working roll one, working roll two, working roll three and working roll four be 90 ° of distributions each other successively in the isoplanar; It is characterized in that, torque transmission is set respectively between working roll one and working roll two, working roll two and working roll three, working roll three and working roll four constitutes four drive roll single action power input structures.
3. a kind of four-roll universal rolling machine according to claim 1 and 2; It is characterized in that; Said torque transmission comprises combination gear case, umbrella tooth pair, feather key, thrust bearing, spring, and it is secondary to be provided with the umbrella tooth in the combination gear case, and umbrella tooth pair is located at adjacent working roll roll shaft end through feather key respectively; The umbrella tooth is secondary to be slidingly connected with the roll shaft end; Two engagements form umbrella tooth pair with the umbrella tooth by umbrella tooth one, are respectively equipped with thrust bearing between the big end surface of umbrella tooth one and umbrella tooth two and the combination gear case, and the little end surface of umbrella tooth one and umbrella tooth two is respectively equipped with spring one and spring two.
4. a kind of four-roll universal rolling machine according to claim 3 is characterized in that, said spring one is a stage clip with spring two, and an end links to each other with the little end surface of umbrella tooth, and the other end withstands on the back-up ring of roll shaft end.
5. a kind of four-roll universal rolling machine according to claim 3; It is characterized in that; Said spring one is extension spring with spring two, and extension spring one end links to each other with roll shaft end blind hole bottom, and the other end links to each other with bearing pin; Bearing pin is horizontal in the slotted hole of roll shaft end, and the bearing pin two ends are stretched out the roll shaft end and are pressed on the little end surface of umbrella tooth.
6. a kind of four-roll universal rolling machine according to claim 3 is characterized in that, said spring one is a stage clip, and stage clip one end links to each other with the little end surface of umbrella tooth, and the stage clip other end withstands on the back-up ring of roll shaft end; Spring two is extension spring, and extension spring one end links to each other with roll shaft end blind hole bottom, and the other end links to each other with bearing pin, and bearing pin is horizontal in the slotted hole of roll shaft end, and the bearing pin two ends are stretched out and are pressed on the little end surface of umbrella tooth.
7. a kind of four-roll universal rolling machine according to claim 3 is characterized in that, said thrust bearing is rolling bearing or sliding bearing.
8. according to claim 4 or 5 or 6 described a kind of four-roll universal rolling machines, it is characterized in that said thrust bearing is rolling bearing or sliding bearing.
9. a kind of four-roll universal rolling machine according to claim 3 is characterized in that, said umbrella tooth dotted point relative position secondary and the combination gear case remains unchanged, and relative umbrella tooth pair of working roll axle head and combination gear case endwisely slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202115162U CN202169277U (en) | 2011-06-21 | 2011-06-21 | Four-roll universal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202115162U CN202169277U (en) | 2011-06-21 | 2011-06-21 | Four-roll universal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202169277U true CN202169277U (en) | 2012-03-21 |
Family
ID=45827481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202115162U Expired - Fee Related CN202169277U (en) | 2011-06-21 | 2011-06-21 | Four-roll universal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202169277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303047A (en) * | 2011-06-21 | 2012-01-04 | 鞍山洪川特种钢管有限公司 | Four-roller universal mill |
-
2011
- 2011-06-21 CN CN2011202115162U patent/CN202169277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303047A (en) * | 2011-06-21 | 2012-01-04 | 鞍山洪川特种钢管有限公司 | Four-roller universal mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20140621 |
|
| EXPY | Termination of patent right or utility model |