One kind embracing the inclined Three-roll plug steadier of roller
Technical field
The utility model relates to rolling equipment fields, particularly a kind of to embrace the inclined Three-roll plug steadier of roller.
Background technique
Either diagonal rolling pipe mill front and back or perforator background, total be unable to do without take rolling tool or embracing for rolled piece.It is right
In perforator background, currently used is three rolls holding unit to consolidate mandril, and going on smoothly and effectively controlling for guaranteeing to perforate is worn
Roll the quality of hollow billet;For diagonal rolling pipe mill foreground, rolling quality is generally also guaranteed come firm guiding plug using three rolls holding unit.
In fact, in oblique roll process, either mandril or plug, inverse or rolled piece are all to be rotating advance, i.e. spiral in itself
Formula is advanced, and when punch or diagonal rolling pipe mill are to be centainly sent into sheet processed by equal, embraces the usually parallel rolling centerline of roller center line, thus
Make unavoidably to generate bigger axial abrasion in its operation of rolling.
As depicted in figs. 1 and 2, it is synchronous to complete three rollers by a hydraulic cylinder for the existing parallel Three-roll plug steadier for embracing roller
The movement held to rolled piece or plug 800 is completed in folding.Mainly by rack 801, crank 802, armful roller 803, upper swing arm 804, side
Swing arm 805, lower swing arm 806, lateral bracing strut 807, lower pull rod 808, upper connecting rod 809 (or folding hydraulic cylinder), adjusting hydraulic cylinder 810 etc.
Composition.The upper swing arm 804, side-sway arm 805, lower swing arm 806 are mounted in rack 801;The roller of embracing is mounted on swing arm
On;The crank 802 is swung around crank hinge joint G1;The upper swing arm 804 and side-sway arm 805 is put around upper link point G2
It is dynamic;The lower swing arm 806 is swung around lower link point G3;The adjusting hydraulic cylinder 810 to synchronous driving upper swing arm 804,
Side-sway arm 805, lower swing arm 806, so as to adjust 803 opening degree of roller is embraced;When the upper connecting rod 809 is according to folding hydraulic cylinder,
To realize the big opening of upper roller.
Utility model content
It is larger in order to be worn when solving the problems, such as work that the existing parallel Three-roll plug steadier for embracing roller occurs.This is practical new
Type provides a kind of armful of inclined Three-roll plug steadier of roller, and the inclined Three-roll plug steadier of this armful of roller is same by hydraulic cylinder three rollers of completion
Step folding, complete to rolled piece or plug fill the span of a man's arms or opening action, embrace roller inclination, meet the work that rolled piece or plug are threadingly advanced
Condition, abrasion greatly reduce, and embrace roller and rolled piece or plug matching degree is high, it is more preferable to embrace the adjustable pass compactness in roller inclination angle.
The utility model solves that technical application used by its technical problem is novel to be: one kind embracing the inclined three rolls holding unit of roller
Device, including rack, upper roller, side roller, lower roll, upper swing arm, side-sway arm and lower swing arm, rack can support fixed upper swing arm, side
Swing arm and lower swing arm, upper roller are set to the end of upper swing arm, and side roller is set to the end of side-sway arm, and lower roll is set to lower swing arm
End, upper roller, side roller and lower roll are uniformly distributed around the rolling centerline of the inclined Three-roll plug steadier of this armful of roller, upper roller
Center line, the center line of side roller and the center line of lower roll tilt identical angle with the rolling centerline.
The center line of upper roller and the tilt angle of the rolling centerline can be adjusted, the center line of side roller and the rolling center
The tilt angle of line can be adjusted, and the center line of lower roll can be adjusted with the tilt angle of the rolling centerline.
Upper roller, which contains, embraces roller and axis, embraces roller and is sheathed on outside axis, embraces in the both ends of roller and be successively arranged bearing, round nut and end
Lid, bearing, round nut and end cap, which are sheathed on, to be embraced between roller and axis.
The both ends of upper roller are connected and fixed by the end of upper roller fixation kit and upper swing arm, and the end of upper swing arm, which is equipped with, to be used for
The arc-shaped through-hole of upper roller is installed, which contains sequentially connected buckle closure, shank of the key axle bed, right-handed nut and left-handed spiral shell
It is female.
Shank of the key axle bed contains sequentially connected axle bed section, dextrorotation stud section and left-handed stud section, and dextrorotation stud section passes through should
Arc-shaped through-hole, right-handed nut are sheathed on outside dextrorotation stud section, and left-handed nut is sheathed on outside left-handed stud section, right-handed nut and axle bed
Section can grip the end of upper swing arm.
Axle bed section and buckle closure are in concave-shaped structure, and axle bed section connect the installation to be formed and be plugged and fixed for axis with buckle closure
Hole, the outer diameter of dextrorotation stud section is of same size with the arc-shaped through-hole, and shank of the key axle bed can be along the circumference of the arc-shaped through-hole
Direction is mobile.
Right-handed nut is equipped with the first ratchet towards the end face of left-handed nut, and the end face of left-handed nut towards right-handed nut are equipped with
Second ratchet, one end of left-handed nut towards right-handed nut are externally provided with the flange of annular.
First ratchet and the second ratchet are identical;When the internal screw thread of left-handed nut is single thread, the tooth of the second ratchet is high
Greater than the screw pitch of left-handed nut and the ratio of the number of teeth;When the internal screw thread of left-handed nut is multi start thread, the tooth of the second ratchet is high
Equal to the lead of left-handed nut and the ratio of the number of teeth.
The both ends of side roller are connected and fixed by side roller fixation kit and the end of side-sway arm, and the end of side-sway arm, which is equipped with, to be used for
The arc-shaped through-hole of side roller is installed, the both ends of lower roll are connected and fixed by the end of lower roll fixation kit and lower swing arm, lower swing arm
End is equipped with the arc-shaped through-hole for installing lower roll, and upper roller, side roller are identical with the structure of lower roll, the upper roller fixation kit, side
Roller fixation kit is identical with the structure of lower roll fixation kit.
Along the centerline direction of upper roller, embraces roller and contain sequentially connected first end cone line segment, intermediate curve section and second
Line segment is bored in end, and it is truncated cone structure that first end, which bores line segment, and first end bores the bottom end curved section towards the middle of line segment, in
Diameter in the middle part of half interval contour section is less than the diameter at intermediate curve section both ends, and the bus of intermediate curve section is camber line, first end cone
Line segment and the second end bore line segment mirror image each other.
It is synchronized the beneficial effects of the utility model are: the inclined Three-roll plug steadier of this armful of roller can complete three rollers by hydraulic cylinder
Folding, complete to rolled piece or plug fill the span of a man's arms or opening action, embrace roller inclination, meet the operating condition that rolled piece or plug are threadingly advanced,
Abrasion greatly reduces, and embraces roller and rolled piece or plug matching degree is high, it is more preferable to embrace the adjustable pass compactness in roller inclination angle.For inclination
The adjustable three rolls holding unit in angle reaches anti-loosing effect for replacement, specially using a kind of combination stop nut connection of left-right rotary, carries
Locking permanent self-locking structure, it is ensured that bolt-connection permanent robust is firm, guarantees that embrace roller fits closely with rolled piece or plug.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Fig. 1 is the existing parallel Three-roll plug steadier main view for embracing roller.
Fig. 2 is the existing parallel Three-roll plug steadier axonometric drawing for embracing roller.
Fig. 3 is the axonometric drawing that the inclined Three-roll plug steadier of roller is embraced described in embodiment 1.
Fig. 4 is the axonometric drawing that three armfuls of rollers surround pass in embodiment 1.
Fig. 5 is three armfuls of roller aperture type main views in embodiment 1.
Fig. 6 is the top view of upper roller and upper swing arm in embodiment 1.
Fig. 7 is in 6 along the cross-sectional view in the direction A-A.
Fig. 8 is the roller shape figure for embracing roller in embodiment 1.
Fig. 9 is the top view of upper swing arm in embodiment 1.
Figure 10 is the schematic diagram of shank of the key axle bed in embodiment 1.
Figure 11 is the axonometric drawing of right-handed nut in embodiment 1.
Figure 12 is the axonometric drawing of the first left-handed nut in embodiment 1.
Figure 13 is the axonometric drawing of second of left-handed nut in embodiment 1.
Figure 14 is the axonometric drawing that the inclined Three-roll plug steadier of roller is embraced described in embodiment 2.
Figure 15 is the cross-sectional view that roller is embraced in embodiment 2.
1, rack;2, upper roller;3, side roller;4, lower roll;5, upper swing arm;6, side-sway arm;7, lower swing arm;8, cylinder is adjusted;9, on
Roller opens and closes cylinder;
10, rolled piece;
101, roller is embraced;102, bearing;103, axis;104, end cap;105, round nut;106, buckle closure;107, shank of the key axle bed;
108, right-handed nut;109, left-handed nut;
1011, first end bores line segment;1012, intermediate curve section;1013, the second end bores line segment;
1070, axle bed section;1071, stud section is revolved;1072, left-handed stud section;
1080, the first ratchet;1090, the second ratchet;1091, flange;
201, roller is embraced;202, bearing;203, bearing;204, axis;205, end cap;206, spacer ring;207, spacer ring;208, every
Circle;209, axle end baffle plate;210, axle sleeve;211, axle sleeve;212, anticreep baffle;213, axle end baffle plate.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
One kind embracing the inclined Three-roll plug steadier of roller, including rack 1, upper roller 2, side roller 3, lower roll 4, upper swing arm 5, side-sway arm
6 and lower swing arm 7, rack 1 can support fixed upper swing arm 5, side-sway arm 6 and lower swing arm 7, upper roller 2 is set to the end of upper swing arm 5
Portion, side roller 3 are set to the end of side-sway arm 6, and lower roll 4 is set to the end of lower swing arm 7, and upper roller 2, side roller 3 and lower roll 4 are in this armful
Be uniformly distributed around the rolling centerline of the inclined Three-roll plug steadier of roller, the center line of upper roller 2, the center line of side roller 3 and
The center line of lower roll 4 tilts identical angle with the rolling centerline, as shown in Figures 3 to 5.
The described armful of inclined Three-roll plug steadier of roller further includes adjusting cylinder 8 and upper roller folding cylinder 9, upper swing arm 5, side-sway arm 6
It being mounted in rack 1 with lower swing arm 7, the adjusting cylinder 8 drives upper swing arm 5, side-sway arm 6 and lower swing arm 7 to synchronous, thus
The opening degree of upper roller 2, side roller 3 and lower roll 4 is adjusted, cylinder 8 and upper roller folding cylinder 9 and upper swing arm 5, side-sway arm 6 and lower swing arm 7 are adjusted
Between connection relationship be the prior art, the utility model is no longer discussed in detail.The upper roller folding cylinder 9 connects upper swing arm 5, from
And realize the big opening of upper roller 2.Upper roller 2, side roller 3 and lower roll 4 are circumferentially uniformly distributed around rolled piece 10 (or plug), and described rolls
Part 10 (or plug) tilts certain angle on rolling centerline C, with roller (upper roller 2, side roller 3 and lower roll 4) center line A is embraced.
In the described in the utility model armful of inclined Three-roll plug steadier of roller, a rolling centerline C and armful roller center line A
Inclined fixed angle can be set;Also can be according to needing to be designed as adjustable slanted angle, i.e., described inclined three roller of roller of embracing is embraced
A kind of implementation of core apparatus is that the angle fixation between rolling centerline C and armful roller center line A is non-adjustable, and described armful of roller inclines
Another implementation of oblique Three-roll plug steadier is rolling centerline C and the angle embraced between roller center line A is adjustable, below
It will be discussed in detail respectively.
Embodiment 1
In the present embodiment, the center line A of upper roller 2 and the tilt angle of rolling centerline C can be adjusted, side roller 3
Center line A and the tilt angle of rolling centerline C can be adjusted, the inclination of the center line A and rolling centerline C of lower roll 4
Angle can be adjusted, and the tilt angle for regulating upper roller 2, side roller 3 and lower roll 4 after angle can fasten.
In the present embodiment, upper roller 2 is embraced roller 101 and is sheathed on outside axis 103, embrace the two of roller 101 containing roller 101 and axis 103 is embraced
Bearing 102, round nut 105 and end cap 104 are successively arranged in end, bearing 102, round nut 105 and end cap 104, which are sheathed on, to be embraced
Between roller 101 and axis 103.
Specifically, the roller 101 of embracing is mounted on axis 103 by bearing 102;The bearing 102 is separately mounted to
101 both ends of roller are embraced, one end is fixed, and the other end floats, and is locked on axis 103 with round nut 105 respectively;The end cap 104
It is mounted on the both ends for embracing roller 101;The both ends of the axis 103 are mounted on shank of the key axle bed 107 by buckle closure 106;The lock
Arbor seat 107 is fastened on upper swing arm 5 by right-handed nut 108 and left-handed nut 109, as shown in Figure 7 to 10
In the present embodiment, the both ends of upper roller 2 are connected and fixed by upper roller fixation kit and the end of upper swing arm 5, upper pendulum
The end of arm 5 is in U-shape structure, and the end (both ends of U-shaped structure) of upper swing arm 5 is equipped with the arc-shaped through-hole B for installing upper roller 2,
The upper roller fixation kit contains sequentially connected buckle closure 106, shank of the key axle bed 107, right-handed nut 108 and left-handed nut 109.
In the present embodiment, shank of the key axle bed 107 contains sequentially connected axle bed section 1070, dextrorotation stud section 1071 and left-handed
Stud section 1072, dextrorotation stud section 1071 pass through arc-shaped through-hole B, and as shown in Fig. 3, Fig. 6 and Fig. 7, right-handed nut 108 is sheathed on
Outside dextrorotation stud section 1071, left-handed nut 109 is sheathed on outside left-handed stud section 1072, right-handed nut 108 and 1070 energy of axle bed section
Enough grip the end of upper swing arm 5.
In the present embodiment, axle bed section 1070 and buckle closure 106 are in concave-shaped structure, the end of axle bed section 1070 and buckle closure
106 end is equipped with circular groove, and the circular groove of axle bed section 1070 is corresponding with the circular groove of buckle closure 106,
Axle bed section 1070, which connect to be formed with buckle closure 106, is used for the mounting hole that the end of axis 103 is plugged and fixed, outside dextrorotation stud section 1071
Diameter is of same size with the arc-shaped through-hole, and shank of the key axle bed 107 can move circular circumferencial direction where the arc-shaped through-hole
It is dynamic.
In the present embodiment, right-handed nut 108 is equipped with the first ratchet 1080, left-handed spiral shell towards the end face of left-handed nut 109
Mother 109 is equipped with the second ratchet 1090 towards the end face of right-handed nut 108, and left-handed nut 109 is towards outside one end of right-handed nut 108
It can be equipped with the flange 1091 of annular, as shown in Figure 11 to Figure 13.The outer dimension of right-handed nut 108 and left-handed nut 109 is big
It causes identical.
Still further, the end face of axle bed section 1070 towards upper swing arm 5 is machined with groove or annular knurl, corresponding upper pendulum
Groove or annular knurl are also processed around the arc-shaped through-hole B of arm 5, prevents from sliding.Right-handed nut 108 is opposite with left-handed nut 109
End face can also add annular knurl, increase antiskid effect.As shown in figure 11,108 end face of right-handed nut increases by the first ratchet 1080,
The direction of ratchet is determined by the rotation direction of screw thread, in terms of end face, clockwise, before first ratchet 1080 after height
It is low.As shown in figure 12, the Three-roll plug steadier, 109 end face of left-handed nut increase by the second ratchet 1090, ratchet
Towards being determined by the rotation direction of screw thread, in terms of end face, clockwise, the front is high and the back is low for second ratchet 1090.
For replacement reach anti-loosing effect, for the first ratchet 1080 of contact face, the gradient of the second ratchet 1090 and
Tooth is high, has certain relationship with the screw pitch of the number of teeth and right-handed nut 108 and left-handed nut 109.First ratchet 1080 and the second spine
Tooth 1090 is identical;When the internal screw thread of left-handed nut 109 is single thread, the tooth of the second ratchet 1090 is tall and big in left-handed nut
109 screw pitch and the ratio of the number of teeth;When the internal screw thread of left-handed nut 109 is multi start thread, the tooth height etc. of the second ratchet 1090
In the ratio of lead (screw pitch × line number) and the number of teeth of left-handed nut 109.
In the present embodiment, the connection mounting means between side roller 3 and side-sway arm 6 and the company between upper roller 2 and upper swing arm 5
Connect that mounting means is identical, the connection mounting means between lower roll 4 and lower swing arm 7 and the connection between upper roller 2 and upper swing arm 5 are installed
Mode is also identical, as shown in Figure 3.I.e. the both ends of side roller 3 are connected and fixed by side roller fixation kit and the end of side-sway arm 6, side
The end of swing arm 6 is equipped with the arc-shaped through-hole for installing side roller 3, and the both ends of lower roll 4 pass through lower roll fixation kit and lower swing arm 7
End is connected and fixed, and the end of lower swing arm 7 is equipped with the arc-shaped through-hole for installing lower roll 4, the knot of upper roller 2, side roller 3 and lower roll 4
Structure is identical, and the structure of the upper roller fixation kit, side roller fixation kit and lower roll fixation kit is also identical.
In the present embodiment, along the centerline direction of upper roller 2, roller 101 is embraced containing sequentially connected first end and bores line segment
1011, intermediate curve section 1012 and the second end bore line segment 1013, and it is truncated cone structure that first end, which bores line segment 1011, and first
Curved section 1012, the diameter at 1012 middle part of intermediate curve section are less than intermediate curve section towards the middle for the bottom end of end cone line segment 1011
The diameter of the diameter at 1012 both ends, 1012 both ends of intermediate curve section is identical, and the bus of intermediate curve section 1012 is camber line, first end
Bore line segment 1011 and the second end cone line segment 1013 mirror image each other in portion.Intermediate curve section 1012 connects with rolled piece 10 (or plug) line
Touching.
This Three-roll plug steadier can complete three roller synchronous on-offs by hydraulic cylinder, complete filling the span of a man's arms or opening to rolled piece or plug
Movement embraces roller inclination, meets the operating condition that rolled piece or plug are threadingly advanced, and abrasion greatly reduces, and embraces roller and matches with rolled piece or plug
Degree is high, and it is more preferable to embrace the adjustable pass compactness in roller inclination angle.When punch or diagonal rolling pipe mill are to be centainly sent into sheet processed by equal, and core
Stick or when mandril specification is relatively simple or format diameter variation is little, using the Three-roll plug steadier of constant cant angle;
When the feed angle variation range of punch or diagonal rolling pipe mill is larger, and plug or mandril format diameter variation range it is very big when
It waits, using the Three-roll plug steadier of adjustable inclination angle.After adjusting inclination angle, a kind of left and right of anti-loosing effect is specially used herein
Combination nut connection is revolved, is solved using traditional double nut screw locking structure due to the external disturbances factor such as alternating load or vibration
It leads to the problem of alternate strain and bolt looseness occurs.
Embodiment 2
The tilt angle of the center line A and rolling centerline C of upper roller 2 are fixed from enough adjustings, the center line A of side roller 3
Enough adjustings, the inclination angle of the center line A and rolling centerline C of lower roll 4 are fixed from the tilt angle of rolling centerline C
Degree is fixed from enough adjustings, as shown in figure 14.
Specifically, the connection type between upper roller 2 and upper swing arm 5 can refer to Figure 15.Upper roller 2 contains armful a roller 201, bearing
202, bearing 203, axis 204, end cap 205, spacer ring 206, spacer ring 207, spacer ring 208, axle end baffle plate 209, axle sleeve 210, axle sleeve
211, anticreep baffle 212 and axle end baffle plate 213.
Remaining technical characteristic is same as Example 1 in the present embodiment, and in order to save length, the utility model is no longer detailed
It is thin to introduce.
The above, only specific embodiment of the utility model cannot limit the range that utility model is implemented, institute with it
With the displacement of its equivalent assemblies, or according to equivalent variations made by the utility model patent protection scope and modification, should all still fall within
The scope that this patent is covered.In addition, between technical characteristic and technical characteristic in the utility model, technical characteristic and technical application
Between novel, technical application it is novel it is novel with technical application between use can be freely combined.