CN101147931A - Gapless full-hydraulic expansion and retraction reel - Google Patents
Gapless full-hydraulic expansion and retraction reel Download PDFInfo
- Publication number
- CN101147931A CN101147931A CNA2007101343757A CN200710134375A CN101147931A CN 101147931 A CN101147931 A CN 101147931A CN A2007101343757 A CNA2007101343757 A CN A2007101343757A CN 200710134375 A CN200710134375 A CN 200710134375A CN 101147931 A CN101147931 A CN 101147931A
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- main shaft
- tooth plate
- arc
- axially
- outside
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Abstract
The present invention discloses a seamless full-hydraulic collapsible drum, in the concrete, it is a seamless full-hydraulic collapsible drum for winding strip material when the strip material is rolled. Said seamless full-hydraulic collapsible drum includes a mina shaft, in the main shaft interior a central hole is set, and in the central hole interior a moving shaft is set. Besides, said invention also provides the concrete structure of said main shaft, and also provides the concrete operation method of said collapsible drum.
Description
Technical field
The present invention relates to a kind of milling train corollary equipment.Be used for gapless full-hydraulic expansion and retraction reel that sheet material is wound up when specifically, being rolling strip-type sheet material.
Background technology
All know in the sheet material processing industry, after plate rolling being finished, need the sheet material of rolling is taken off from reel with milling train.Therefore, require the diameter of reel to have the function that rises, contracts.At present, use on the milling train rise, retractor reel all is conventional spool, this conventional spool contains main shaft, axial center hole is arranged in the main shaft, shifting axle is arranged in the centre bore, the shifting axle front end has connecting plate, the diameter of this connecting plate is greater than main shaft, and it links to each other with the front end of axial tooth plate by screw.The cross section that front-end of spindle is one section is a square, is provided with arc on four faces of this section, on the main shaft of arc rear end interstage sleeve is arranged.Wherein, all there is axial tooth plate each arc inboard, axially the medial surface of tooth plate be the plane and and the main shaft leading portion between be and be slidingly matched.The medial surface of arc vertically all is processed with dovetail groove, and axially the outer lateral section of tooth plate also is trapezoidal, and axially the trapezoidal portions of tooth plate is in the dovetail groove of slip shape embedding arc inboard.Axially all be processed with slip teeth on the lateral surface of tooth plate and on the bottom land of arc dovetail groove, and axially slip teeth and the slip teeth on the arc dovetail groove bottom land on the tooth plate tilts to front-end of spindle and rear end respectively.When shifting axle being protracted by means of external force, can drive four axial tooth plates and move forward simultaneously, four arcs are radially outer to be moved thereby make, and realizes the outside expanding of reel.Otherwise, when by external force shifting axle being retreated or resetting, can drive four axial tooth plates again and move simultaneously, thereby four arcs are moved in radially, realize the contraction of reel.Though adopt this reel can realize rising, contracting of reel, because the shifting axle front end is fixed with connecting plate, and connecting plate is connected mutually by between screw and axial tooth plate again, makes often to occur the locking situation between axial tooth plate and main shaft.In case the locking situation occurs, just need the maintenance that stops production, production is impacted.In addition, when the locking situation occurring, transfer shaft is still proceeded reach under external force or is retreated work, makes screw easy fracture between connecting plate and axial tooth plate.In case this situation occurs, axial tooth plate and main shaft can't be taken apart, have only main shaft is unloaded together with axial tooth plate, with lathe the axial tooth wooden handcart is fallen, repair very trouble.Because the medial surface of arc vertically all is processed with dovetail groove, axially the outer lateral section of tooth plate also is trapezoidal again, and axially the trapezoidal portions of tooth plate is in the dovetail groove of slip shape embedding arc inboard, makes the harmomegathus of reel only have four arcs to work.So, just between two adjacent arc adjacent sides, form big spacing.When banded sheet material twists on the reel, owing between two arc adjacent sides big spacing is arranged, can on banded sheet material, form indentation, influenced the plate rolling quality.
Summary of the invention
The problem to be solved in the present invention provides gapless full-hydraulic expansion and retraction reel.This gapless full-hydraulic expansion and retraction reel, main shaft and axially can locking between tooth plate can not influence and produce and the rolling quality of sheet material, keeps in repair easily.
For addressing the above problem, take following technical scheme:
Gapless full-hydraulic expansion and retraction reel of the present invention contains main shaft, and centre bore is arranged in the main shaft, and shifting axle is arranged in the centre bore.The cross section that front-end of spindle is one section is a square, on four faces of this section arc is arranged all, on the main shaft of arc rear end interstage sleeve is arranged.Be characterized on four jiaos of main shaft leading portion axial notch being arranged all, axial tooth plate is all arranged in the axial notch, the axial tooth front edge of board stretches out outside the front-end of spindle.The shifting axle front end also stretches out outside front-end of spindle, and the cross pusher dog is arranged on its external part.All there is seaming the external part inboard of axial tooth front edge of board, and four pawls of cross pusher dog are moving type and insert in the corresponding seaming.Four arcs counterbore vertically arranged, with on the corresponding main shaft of this counterbore screw is arranged, in corresponding a pair of counterbore and the screw spring and screw are arranged all, Xuan went in the corresponding screw on the main shaft after screw inserted counterbore and passes spring in the counterbore from arc outside, and made between the respective face of arc and main shaft and leave spacing.Axially the tooth plate medial surface is the plane, is between the axial notch on this plane and the main shaft to be slidingly matched.Axially there is slip teeth in the tooth plate outside, and this slip teeth all tilts to front-end of spindle.Axially all there is radially tooth plate in the tooth plate outside, and radially also there is slip teeth the inboard of tooth plate, and this slip teeth all tilts to rear-end of spindle, and their quantity equates with slip teeth on the axial tooth plate and the two is the slip shape and meshes together.Radially all there is chamfering the vertical both sides of the lateral surface of tooth plate, and this two chamfering contacts with adjacent two arc adjacent side medial surfaces respectively, and leaves spacing between the adjacent side of off working state arc lower plate.
Be provided with end cap at front-end of spindle, this end cap is fixed on the front end of main shaft, and the tubular outer lug boss is arranged in the middle of it, and there is bearing in the tubular outer lug boss outside, and there is the tubular outer cover bearing outside.
Take such scheme, have the following advantages;
Because its shifting axle front end of gapless full-hydraulic expansion and retraction reel of the present invention has the cross pusher dog, all there is seaming the external part inboard of axial tooth front edge of board, four pusher dogs of cross pusher dog are moving type and insert in the corresponding seaming, thereby have avoided the generation of locking situation between axial tooth plate and main shaft.Because avoided the locking situation to take place, the maintenance that need not stop production can not influence production.Owing to the locking situation can not occur, repair very convenient.Owing on the front end of main shaft axial tooth plate is arranged, axially there is radially tooth plate the tooth plate outside, and radially arc is arranged all between tooth plate again.When reel increases to maximum gauge, gap between adjacent two arcs is filled up by the lateral surface of tooth plate radially, by four arcs and four radially tooth plate constitute a cylindric reel of finishing, thereby avoided the situation of formation indentation in back on the banded sheet material reel-to-reel tube to take place, can not influence the rolling quality of sheet material.
Description of drawings
Fig. 1 is a gapless full-hydraulic expansion and retraction reel structural representation of the present invention;
Fig. 2 is the A-A cross-sectional schematic through the Fig. 1 after amplifying.
The specific embodiment
As depicted in figs. 1 and 2, gapless full-hydraulic expansion and retraction reel of the present invention contains main shaft 9, is processed with centre bore in the main shaft 9, is furnished with shifting axle 6 in the centre bore, and centre bore and 6 of shifting axles are and are slidingly matched.The cross section that main shaft 9 front ends are one section is a square, is provided with arc 13 on four faces of this section, is fixed with the interstage sleeve 10 that is used for blocking arc 13 on the main shaft 9 of arc 13 rear ends.On four jiaos of longitudinal directions of main shaft 9 leading portions, all be processed with axial notch, axial tooth plate 7 all is installed in each axial notch, and axially be between tooth plate 7 and axial notch and be slidingly matched.Axially tooth plate 7 front ends stretch out outside main shaft 9 front ends.Shifting axle 6 front ends also stretch out outside main shaft 9 front ends, and cross pusher dog 4 is installed on its external part.The external part inboard of each axial tooth plate 7 front end all processes the pit as seaming, and four pusher dogs of cross pusher dog 4 are moving type and insert in the corresponding seaming.Four arcs 13 vertically all be processed with a plurality of counterbores, with be processed with screw on the corresponding main shaft 9 of this counterbore, in corresponding a pair of counterbore and the screw spring 11 and screw 12 are installed all, the front end of screw 12 inserts counterbore from arc 13 outsides and passes spring 11 back Xuan in the counterbore and go in the corresponding screw on the main shaft 9, and makes between the respective face of arc 13 and main shaft 9 and leave spacing.Axially the medial surface of tooth plate 7 is the plane, is between the axial notch on this plane and the main shaft 9 to be slidingly matched.Axially tooth plate 7 outsides are processed with a plurality of slip teeth, and these a plurality of slip teeth all tilt to main shaft 9 front ends.Axially tooth plate 7 outsides are provided with radially tooth plate 8, and radially the inboard of tooth plate 8 also is processed with a plurality of slip teeth, and these a plurality of slip teeth all tilt to main shaft 9 rear ends, and their quantity equates with slip teeth on the axial tooth plate 7 and the two is the slip shape and meshes together.Radially the vertical both sides of the lateral surface of tooth plate 8 all are processed with chamfering 14, and this two chamfering contacts with adjacent two arcs, 13 adjacent side medial surfaces respectively, and leaves spacing between the adjacent side of off working state arc lower plate 13.When shifting axle 6 by external force hydraulic jack when reach for example, can make that four arcs 13 are radially outer to be moved, thereby the spacing between arc 13 adjacent sides is filled up, make four arcs 13 and four radially tooth plate 8 constitute a complete cylinder together.
Be fixed with end cap 5 at main shaft 9 front ends, this end cap is fixed on the front end of main shaft 9, is processed with tubular outer lug boss 2 in the middle of it, and tubular outer lug boss 2 outsides are equipped with bearing 3, and bearing 3 outsides are covered with tubular outer cover 1.Under the duty, the bearing block of being made up of tubular outer lug boss 2, bearing 3 and tubular outer cover 1 places on the support.Like this, more when the band on the reel, when weight is heavier, can alleviate the pressure of main shaft 9, avoid main shaft 9 flexural deformations.
Claims (2)
1. gapless full-hydraulic expansion and retraction reel comprises main shaft (9), and main shaft has centre bore in (9), and shifting axle (6) is arranged in the centre bore; The cross section that main shaft (9) front end is one section is a square, on four faces of this section arc (13) is arranged all, on the main shaft (9) of arc (13) rear end interstage sleeve (10) is arranged; It is characterized in that on four jiaos of main shaft (9) leading portion axial notch being arranged all, axial tooth plate (7) is all arranged in the axial notch, axially tooth plate (7) front end stretches out outside main shaft (9) front end; Shifting axle (6) front end also stretches out outside main shaft (9) front end, and cross pusher dog (4) is arranged on its external part; Axially all there is seaming the external part inboard of tooth plate (7) front end, and four pawls of cross pusher dog (4) are moving type and insert in the corresponding seaming; Four arcs (13) counterbore vertically arranged, with on the corresponding main shaft of this counterbore (9) screw is arranged, in corresponding a pair of counterbore and the screw spring (11) and screw (12) are arranged all, screw (12) inserts counterbore from arc (13) outside and passes spring (11) back Xuan in the counterbore and go in the corresponding screw on the main shaft (9), and makes between the respective face of arc (13) and main shaft (9) and leave spacing; Axially tooth plate (7) medial surface is the plane, is between the axial notch on this plane and the main shaft (9) to be slidingly matched; Axially there is slip teeth in tooth plate (7) outside, and this slip teeth all tilts to main shaft (9) front end; Axially all there is radially tooth plate (8) in tooth plate (7) outside, and radially also there is slip teeth the inboard of tooth plate (8), and this slip teeth all tilts to main shaft (9) rear end, and their quantity equates with slip teeth on the axial tooth plate (7) and the two is the slip shape and meshes together; Radially all there is chamfering (14) the vertical both sides of lateral surface of tooth plate (8), and this two chamfering contacts with adjacent two arcs (13) adjacent side medial surface respectively, and leaves spacing between the adjacent side of off working state arc lower plate (13).
2. gapless full-hydraulic expansion and retraction reel according to claim 1, it is characterized in that main shaft (9) front end has end cap (5), this end cap is fixed on the front end of main shaft (9), tubular outer lug boss (2) is arranged in the middle of it, there is bearing (3) in tubular outer lug boss (2) outside, and there is tubular outer cover (1) bearing (3) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101343757A CN101147931A (en) | 2007-10-31 | 2007-10-31 | Gapless full-hydraulic expansion and retraction reel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101343757A CN101147931A (en) | 2007-10-31 | 2007-10-31 | Gapless full-hydraulic expansion and retraction reel |
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| Publication Number | Publication Date |
|---|---|
| CN101147931A true CN101147931A (en) | 2008-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101343757A Pending CN101147931A (en) | 2007-10-31 | 2007-10-31 | Gapless full-hydraulic expansion and retraction reel |
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| CN (1) | CN101147931A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011060696A1 (en) * | 2009-11-17 | 2011-05-26 | 华瀚科技有限公司 | Device for continuously feeding strip coils and method thereof |
| CN102601160A (en) * | 2011-07-18 | 2012-07-25 | 天津三英焊业股份有限公司 | Reeling and unreeling machine tensioning device and double-arm initiative reeling and unreeling machine |
| CN104355186A (en) * | 2014-10-24 | 2015-02-18 | 无锡市众程通用机电有限公司 | Unwinding head for unwinding machine |
-
2007
- 2007-10-31 CN CNA2007101343757A patent/CN101147931A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011060696A1 (en) * | 2009-11-17 | 2011-05-26 | 华瀚科技有限公司 | Device for continuously feeding strip coils and method thereof |
| CN101734501B (en) * | 2009-11-17 | 2013-01-23 | 华瀚科技有限公司 | Device and method for continuously feeding strip coils |
| CN102601160A (en) * | 2011-07-18 | 2012-07-25 | 天津三英焊业股份有限公司 | Reeling and unreeling machine tensioning device and double-arm initiative reeling and unreeling machine |
| CN102601160B (en) * | 2011-07-18 | 2014-04-23 | 天津三英焊业股份有限公司 | Reeling and unreeling machine tensioning device and double-arm initiative reeling and unreeling machine |
| CN104355186A (en) * | 2014-10-24 | 2015-02-18 | 无锡市众程通用机电有限公司 | Unwinding head for unwinding machine |
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