CN102671954A

CN102671954A - Roll gap regulating mechanism

Info

Publication number: CN102671954A
Application number: CN2012101805028A
Authority: CN
Inventors: 陈莹卷; 陈义; 杨虎成; 李图学
Original assignee: CISDI Engineering Co Ltd
Current assignee: CISDI Engineering Co Ltd
Priority date: 2012-06-04
Filing date: 2012-06-04
Publication date: 2012-09-19
Anticipated expiration: 2032-06-04
Also published as: CN102671954B

Abstract

The invention discloses a roll gap regulating mechanism. The roll gap regulating mechanism comprises a first roll shaft, a first shaft sleeve, a second roll shaft and a second shaft sleeve, and also comprises a first nut, a second nut and a screw which is in threaded fit with the first nut and the second nut at the same time; on the screw, threads matched with the first nut have opposite screwing directions with threads matched with the second nut; the first nut is hinged with the first shaft sleeve, or the first nut is hinged with a first transmission component which is fixedly matched with the first shaft sleeve; and the second nut is hinged with the second shaft sleeve, or the second nut and a second transmission component which is fixedly matched with the second shaft sleeve. In the roll gap regulating mechanism, the screw is arranged on the nuts, so that the mass of a box body is relatively light; the two nuts on the screw can move to the two ends or the middle part of the screw symmetrically and equidistantly by rotating the screw, and the screw drives the shaft sleeves to rotate so as to symmetrically regulate roll gaps of two rolls, so that the regulation is convenient; and the first nut and the second nut bear equal loads, so that the bearing performance is higher and the roll gap regulating mechanism has a longer service life.

Description

A kind of roll-separating mechanism

Technical field

The present invention relates to a kind of milling train, particularly a kind of roll-separating mechanism of milling train.

Background technology

The roller case of cantilever rolling mill, space structure is less, and roll mandrel centre distance is less; The general employing is installed in roll mandrel in the eccentric bushing of roller box body; Adopt feed screw nut's rotating eccentricity cover, symmetry is regulated the roll gap distance, and nut and eccentric bushing in the feed screw nut governor motion are articulated and connected.Less because of roller box structure size, during the adjustment eccentric bushing, nut is the axially movable while in the screw mandrel upper edge; The pin joint position that nut drives eccentric bushing is also changing; For overcoming this problem, method commonly used is with the screw mandrel fixed-site, between nut and eccentric bushing, increases connecting plate; Realize the rotation of eccentric bushing through two hinged modes, thereby regulate roll gap.Screw mandrel in this guiding mechanism can only rotate, its axial location must be fixed; Therefore this mode need increase the size of roller box body, structure such as bearing saddle bore is set on casing fixes screw mandrel, causes roller case complicated integral structure; Quality increases, inconvenient installation.In addition, the increase of connecting plate can reduce the shift motion of nut on screw mandrel, reduces the anglec of rotation of eccentric bushing, and then reduces the scope of roll gap adjustment.

Summary of the invention

In view of this; The purpose of this invention is to provide a kind of roll-separating mechanism, it is simple in structure, reduces roller case quality; Make the adjustment of roll-separating mechanism and install more convenient; And make roll mandrel when bearing radial load, reduce the active force that nut and screw mandrel bear, and nut and screw mandrel are carried symmetrically and evenly.The concrete scheme of this roll-separating mechanism is:

This roll-separating mechanism; Comprise first roll mandrel, be coated at first roll mandrel and with its eccentric first axle sleeve, second roll mandrel, be coated at second roll mandrel and with its second eccentric axle sleeve; Also comprise first nut, second nut and the leading screw that cooperates with first nut, second nut thread simultaneously, the screw thread that cooperates with first nut on the said leading screw is opposite with the screw thread rotation direction that cooperates with second nut; Hinged or first nut and hinged of said first nut and first axle sleeve with first driving member of the first axle sleeve secure fit, the jointed shaft axis of said first nut and the axis parallel of first axle sleeve; Said second nut and second axle sleeve hinged or second nut and hinged, the jointed shaft axis of said second nut and the axis parallel of second axle sleeve with second driving member of the second axle sleeve secure fit.

Further; Said first nut and hinged with first driving member of the first axle sleeve secure fit; Said first driving member comprises first end cap that is arranged at first sleeve end and the clutch shaft bearing lid that is arranged at the first end cap end; Said first end cap is provided with the clutch shaft bearing of supporting first roll, and said first nut and clutch shaft bearing lid are hinged; Said second nut and hinged with second driving member of the second axle sleeve secure fit; Said second driving member comprises second end cap that is arranged at second sleeve end and second bearing cap that is arranged at the second end cap end; Said second end cap is provided with second bearing of supporting second roll, and said second nut and second bearing cap are hinged;

Further, the outer rim of said first end cap and second end cap is provided with the intermeshing gear teeth.

Beneficial effect of the present invention: roll-separating mechanism of the present invention, leading screw directly are arranged on the nut, and leading screw need not to be fixed on the roll casing through fixture, and therefore this roll-separating mechanism is set need not to increase box sizes, the casing lighter weight; And this roll-separating mechanism is simple in structure, through rotational lead screw can make two nuts symmetry equidistance on it to leading screw two ends or middle moving, thereby nut drives the roll gap that the axle sleeve rotation realizes adjustment two rolls of symmetry, easy to adjust; And first end cap of roll-separating mechanism of the present invention and second end cap then make first nut and second nut will bear the load of equal size through gears engaged, and leading screw and nut are stressed evenly, and mechanism's life-span is longer.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further described.

Fig. 1 is the structural representation of a kind of roll-separating mechanism of the present invention;

Fig. 2 is the cutaway view of Fig. 1 along A-A;

Fig. 3 is the cutaway view of Fig. 1 along B-B;

Fig. 4 is the upward view of Fig. 1.

The specific embodiment

Fig. 1 is the structural representation of a kind of roll-separating mechanism of the present invention; Fig. 2 is the cutaway view of Fig. 1 along A-A; Fig. 3 is the cutaway view of Fig. 1 along B-B; Fig. 4 is the upward view of Fig. 1.

The present embodiment roll-separating mechanism; Comprise first roll mandrel 1, be coated at first roll mandrel 1 and with its eccentric first axle sleeve 2, second roll mandrel 3, be coated at second roll mandrel 3 and with its second eccentric axle sleeve 4; Also comprise first nut 5, second nut 6 and simultaneously with the leading screw 7 of first nut 5, second nut, 6 threaded engagement, the screw thread that cooperates with first nut 5 on the said leading screw 7 is opposite with the screw thread rotation direction that cooperates with second nut 6; Said first nut 5 and hinged with first driving member of first axle sleeve, 2 secure fit, the jointed shaft axis of said first nut 5 and the axis parallel of first axle sleeve 2; Said second nut 6 and hinged with second driving member of second axle sleeve, 4 secure fit, the jointed shaft axis of said second nut 6 and the axis parallel of second axle sleeve 4.

In the present embodiment; Said first driving member comprises first end cap 8 that is arranged at first axle sleeve, 2 ends and the clutch shaft bearing lid 9 that is arranged at first end cap, 8 ends; Said first end cap 8 is provided with the clutch shaft bearing 10 of supporting first roll 1, and it is 9 hinged that said first nut 5 and clutch shaft bearing cover; Said second driving member comprises second end cap 11 and second bearing cap 12 that is arranged at second end cap, 11 ends that is arranged at second axle sleeve, 2 ends; Said second end cap 11 is provided with second bearing 13 of supporting second roll 3, and said second nut 6 and second bearing cap 12 are hinged.

Roll-separating mechanism of the present invention, leading screw 7 directly are arranged on the nut, and leading screw 7 need not to be fixed on the roll casing through fixture, and therefore this roll-separating mechanism is set need not to increase box sizes, the casing lighter weight; And this roll-separating mechanism is simple in structure; Through rotational lead screw 7 can make two nuts symmetry equidistance on it to leading screw two ends or middle moving; Thereby nut moves the roll gap that just can realize adjustment two rolls of symmetry through the rotation of jointed shaft propeller shaft sleeve along leading screw, and is easy to adjust.

Certainly in different embodiments, said first nut 5 is directly hinged with first axle sleeve 2, and second nut 6 is directly hinged with second axle sleeve 4, also can realize the object of the invention.

As the improvement to present embodiment, the outer rim of said first end cap 8 and second end cap 11 is provided with the intermeshing gear teeth 14.This structure first end cap 8 and second end cap 11 then make first nut 5 and first nut 6 will bear the load of equal size through gears engaged, and leading screw and nut are stressed, and evenly load-carrying properties are better, and mechanism's life-span is longer.

Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims

1. roll-separating mechanism; Comprise first roll mandrel, be coated at first roll mandrel and with its eccentric first axle sleeve, second roll mandrel, be coated at second roll mandrel and with its second eccentric axle sleeve; It is characterized in that: also comprise first nut, second nut and the leading screw that cooperates with first nut, second nut thread simultaneously, the screw thread that cooperates with first nut on the said leading screw is opposite with the screw thread rotation direction that cooperates with second nut; Hinged or first nut and hinged of said first nut and first axle sleeve with first driving member of the first axle sleeve secure fit, the jointed shaft axis of said first nut and the axis parallel of first axle sleeve; Said second nut and second axle sleeve hinged or second nut and hinged, the jointed shaft axis of said second nut and the axis parallel of second axle sleeve with second driving member of the second axle sleeve secure fit.

2. roll-separating mechanism according to claim 1; It is characterized in that: said first nut and hinged with first driving member of the first axle sleeve secure fit; Said first driving member comprises first end cap that is arranged at first sleeve end and the clutch shaft bearing lid that is arranged at the first end cap end; Said first end cap is provided with the clutch shaft bearing of supporting first roll, and said first nut and clutch shaft bearing lid are hinged; Said second nut and hinged with second driving member of the second axle sleeve secure fit; Said second driving member comprises second end cap that is arranged at second sleeve end and second bearing cap that is arranged at the second end cap end; Said second end cap is provided with second bearing of supporting second roll, and said second nut and second bearing cap are hinged.

3. roll-separating mechanism according to claim 2 is characterized in that: the outer rim of said first end cap and second end cap is provided with the intermeshing gear teeth.