CN209021136U - Ring rolls rotation-preventing mechanism - Google Patents
Ring rolls rotation-preventing mechanism Download PDFInfo
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- CN209021136U CN209021136U CN201821608137.5U CN201821608137U CN209021136U CN 209021136 U CN209021136 U CN 209021136U CN 201821608137 U CN201821608137 U CN 201821608137U CN 209021136 U CN209021136 U CN 209021136U
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- positioning sleeve
- hollow positioning
- rack
- ring
- cover board
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Abstract
The utility model belongs to machining equipment technical field, specifically disclose a kind of ring rolls rotation-preventing mechanism, including rack, milling roller, core roller, guide roller, guiding roller seat and the hydraulic cylinder being connected with guiding roller seat, it further include hollow positioning sleeve, cover board and several double thread bars, hollow positioning sleeve is fixedly connected on the rack, hydraulic cylinder is mounted in hollow positioning sleeve, cover board is located on hollow positioning sleeve, rack is equipped with several threaded holes, one end of double thread bar passes through cover board and hollow positioning sleeve is threadedly coupled with the threaded hole in rack, the other end of double thread bar is threaded with nut.Mechanism is supported positioning to hydraulic cylinder by the structure of hollow positioning sleeve, cover board, double thread bar and nut, prevent hydraulic cylinder from axial deflection occurs, and then guide roller is avoided to deflect, reduce the influence for the axial perturbed force that ring generates guide roller, to improve the abutting effect of guide roller, make ring smooth rotation, guarantees the circularity of ring.
Description
Technical field
The utility model belongs to machining equipment technical field, specifically discloses a kind of ring rolls rotation-preventing mechanism.
Background technique
Ring rolls is widely used in the manufacture field of the seamless rings such as axle sleeve, bearing and flange, mainly by milling roller, core
The parts such as roller, guide roller and measurement roller form, and ring is expanded by the rolling generation inner and outer diameter of milling roller and core roller and wall thickness
Thinning continuous local plastic deformation；When ring and guide roller contact, guide roller retreats under the thrust that ring becomes larger,
And ring bends to circle under the back-flexing power effect of guide roller；When ring through excessively turned rolling deformation and enlarged-diameter in advance
When scale cun, the outer circle of ring is contacted with measurement roller, and measurement roller issues signal, and ring rolling process terminates.
During the rolling process, another effect of deflector roll is to reduce the vibration of ring, guarantees ring smooth rotation, and make ring
The center of part is maintained on the center line of machine, to control the final circularity of product.During the rolling process, if the position of guide roller
Set inappropriate, may result in rolling can not be successfully progress, or ring is flattened.Therefore, guide roller is one very crucial
Factor, its position and motion profile directly affect the quality of final products.Since the rolling cycle is short, the increase of ring diameter
Speed is fast, guide roller with biggish speed retrogressing when, also suffer from ring to very big axial perturbed force and put
It is dynamic, deviate its motion profile center line, and then cause coupled hydraulic cylinder that axial float can also occur.On solving
State problem, it will usually hydraulic cylinder is fixed and clamped on the rack using screw bolt and nut, but in the actual use of equipment, by
The influence of axial perturbed force, screw bolt and nut release is still very common, can only reinforce inspection by worker to avoid situation serious；
But since nuts and bolt is smaller, it is not easy to observe, still can there is a situation where that inspection is not in place, as a result, hydraulic cylinder occurs
Play, guide roller deflection, ring is possibly even pinched by the abutting declines of guide roller, to influence the circularity of ring.
Utility model content
The purpose of this utility model is providing a kind of ring rolls rotation-preventing mechanism, with guide roller during solving rolling ring by ring
The influence of axial perturbed force deflect, ring is even pinched by the abutting declines of guide roller, influences asking for ring circularity
Topic.
In order to achieve the above object, the base case of the utility model are as follows: a kind of ring rolls rotation-preventing mechanism, including rack,
Milling roller, core roller, guide roller, the guiding roller seat for installing guide roller and the hydraulic cylinder being connected with guiding roller seat further include
Hollow positioning sleeve, cover board and several double thread bars, the hollow positioning sleeve are fixedly connected on the rack, the hydraulic cylinder installation
In hollow positioning sleeve, cover board is located on hollow positioning sleeve, and rack is equipped with several threaded holes, and one end of double thread bar passes through
Cover board and hollow positioning sleeve are threadedly coupled with the threaded hole in rack, and the other end of double thread bar is threaded with nut.
The working principle and beneficial effect of this base case are: the both ends of double thread bar respectively with the screw thread in rack
Hole and nut cooperation, cover board, hollow positioning sleeve are connected and fixed in rack, hydraulic cylinder is mounted in hollow positioning sleeve,
To be positioned to hydraulic cylinder, when guide roller is by axial perturbed force, in hollow positioning sleeve, cover board and double thread bar
Under effect, axial float cannot occur for hydraulic cylinder, so that guide roller be avoided to deflect, improve the abutting effect of guide roller, make
Ring smooth rotation guarantees the circularity of ring.Meanwhile cover board can increase connecing for nut between hollow positioning sleeve and nut
Contacting surface product, reduces pressure, makes hollow positioning sleeve not frayed when tightening nut, and can also reduce turning for guide roller by cover board
The dynamic influence to nut, prevents nut loosening.In addition, the operating temperature of ring is very high when due to rolling, and in the operation of rolling also
Many dusts can be generated, hollow positioning sleeve can also play the role of certain insulation blocking to hydraulic cylinder, reduce high temperature and dust pair
The injury of hydraulic cylinder and its component improves the service life of hydraulic cylinder.
Further, the double thread bar is set as prismatic close to the body of rod of the end of thread, and the cover board is equipped with and prism
The through-hole that shape matches.In this way when guide roller is by axial perturbed force, due to being provided with the prismatic body of rod and prismatic
Through-hole cannot occur mutually to rotate between double thread bar and cover board, so that the reliability of the locking thread at both ends is higher.
Further, the side of the guiding roller seat is equipped with support unit, and support unit includes strut and sliding rail, and the one of strut
End is vertically connected on guiding roller seat, and the other end of strut is slidably connected in sliding rail, and sliding rail is fixedly connected on the rack, and is put down
Row is in the center line of the motion profile of guide roller.Since sliding rail resists strut, strut guiding roller seat can be provided one it is vertical
Support force, when such guide roller retreats, axial deflection cannot occur for guiding roller seat, make guide roller can only be along its motion profile
Center line is mobile；Meanwhile the other end of strut is slidably connected in sliding rail, will not influence the retrogressing of guide roller.
Further, the two sides of the guiding roller seat are equipped with that structure is identical and symmetrical support unit.Guide roller in this way
Two sides are all acted on by the support force of strut, can more be reduced a possibility that axial float occurs for guide roller, be reduced the axis of guide roller
Influence to perturbed force.
Further, the double thread bar is set as square column type close to the body of rod of the end of thread.Compared to triangular prism shaped, square column type
Forced area it is bigger, the body of rod is not easily broken；Compared to pentagonal prism shape, hexagon etc., the processing technology of square column type is more simple
It is single.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: rack 1, milling roller 2, sliding block 3, cylinder 4, core roller 5, guide roller 6, surveys
Measure roller 7, guiding roller seat 8, hydraulic cylinder 9, hollow positioning sleeve 10, cover board 11, through-hole 111, double thread bar 12, nut 13, strut
14, sliding rail 15, ring 16.
Embodiment is substantially as shown shown in Figure 1 and Figure 2: a kind of ring rolls rotation-preventing mechanism, including rack 1, milling roller 2, cunning
Block 3, cylinder 4, core roller 5, guide roller 6, the guiding roller seat 8 for installing guide roller 6 and the hydraulic cylinder being connected with guiding roller seat 8
9, cylinder 4 can move back and forth up and down in rack 1 with movable slider 3, and sliding block 3 then drives milling roller 2 mobile, and milling roller 2 has main shaft
It drives and around main axis, core roller 5 is driven by ring 16 to be rotated around the axle center being fixed in rack 1.When ring 16 to be processed
After being sheathed on core roller 5, milling roller 2 move down and with core roller 5 cooperation hold ring 16 carry out rotation roll, core roller 5 is by workpiece band
It moves and progressively reaches scheduled size so that the ring 16 being rolled constantly extends for rotation.When ring 16 is contacted with guide roller 6
When, guide roller 6 retreats under the thrust that ring 16 becomes larger, and ring 16 is curved under the back-flexing power effect of guide roller 6
Qu Chengyuan；When ring 16 is excessively turned rolling deformation and enlarged-diameter is to predetermined size, the outer circle of ring 16 and measures roller 7 and connect
Touching, measurement roller 7 issue signal, and 16 operation of rolling of ring terminates.
Mechanism further includes hollow positioning sleeve 10, cover board 11 and several double thread bars 12, uses two in the present embodiment
Root double thread bar 12 can change the quantity of double thread bar 12 according to the actual situation.Hollow positioning sleeve 10 is welded on rack 1
On, hydraulic cylinder 9 is mounted in hollow positioning sleeve 10, and cover board 11 is located on hollow positioning sleeve 10, is set in rack 1 there are two screw thread
The one end in hole, double thread bar 12 passes through cover board 11 and hollow positioning sleeve 10 is threadedly coupled with the threaded hole in rack 1, double end spiral shell
The other end of rasp bar 12 is threaded with nut 13.Double thread bar 12 is set as prismatic close to the body of rod of the end of thread, this implementation
Square column type is set as in example；Cover board 11 is equipped with and the prismatic through-hole 111 matched.
The two sides of guiding roller seat 8 identical and symmetrical support unit equipped with structure, support unit includes strut 14 and sliding rail
15, one end of strut 14 is vertically connected on guiding roller seat 8, and the other end of strut 14 is slidably connected in sliding rail 15, sliding rail 15
It is fixedly connected in rack 1, and is parallel to the center line of the motion profile of guide roller 6.
Specific implementation process is as follows: the both ends of double thread bar 12 respectively in rack 1 threaded hole and nut 13 cooperate,
Cover board 11, hollow positioning sleeve 10 are connected and fixed in rack 1, hydraulic cylinder 9 is mounted in hollow positioning sleeve 10, thus right
Hydraulic cylinder 9 is positioned, when guide roller 6 is by axial perturbed force, in hollow positioning sleeve 10, cover board 11 and double thread bar 12
Under the action of, axial float cannot occur for hydraulic cylinder 9, so that guide roller 6 be avoided to deflect, the abutting for improving guide roller 6 is made
With making 16 smooth rotation of ring, guarantee the circularity of ring 16.Meanwhile cover board 11 is between hollow positioning sleeve 10 and nut 13,
The contact area of nut 13 can be increased, reduce pressure, make hollow positioning sleeve 10 not frayed when tightening nut 13, and when guiding
When roller 6 is by axial perturbed force, due to provided with the prismatic body of rod and the through-hole 111 being matched therewith, double thread bar 12
It cannot occur mutually to rotate between cover board 11, so that the reliability of the locking thread at both ends is higher.In addition, ring when due to rolling
The operating temperature of part 16 is very high, and many dusts can be also generated in the operation of rolling, and hollow positioning sleeve 10 can also play hydraulic cylinder 9
Certain insulation blocking effect, reduces the injury of high temperature and dust to hydraulic cylinder 9 and its component, and that improves hydraulic cylinder 9 uses the longevity
Life.
Since sliding rail 15 resists strut 14, strut 14 can provide a vertical support force to guiding roller seat 8, be oriented in this way
When roller 6 retreats, the both sides for being oriented to roller seat 8 are all acted on by the support force of strut 14, and axial deflection cannot occur, make guide roller
6 can only move along the center line of its motion profile；Meanwhile the other end of strut 14 is slidably connected in sliding rail 15, it will not
Influence the retrogressing of guide roller 6.
The structure and support unit point that mechanism passes through hollow positioning sleeve 10, cover board 11, double thread bar 12 and nut 13
It is other that positioning is supported to hydraulic cylinder 9 and guiding roller seat 8, it prevents hydraulic cylinder 9 and guiding roller seat 8 from axial deflection occurs, reduces
The influence for the axial perturbed force that ring 16 generates guide roller 6 keeps ring 16 steady to improve the abutting effect of guide roller 6
Rotation guarantees the circularity of ring 16.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence
The effect and patent practicability that the utility model is implemented.
Claims (5)
1. ring rolls rotation-preventing mechanism, including rack, milling roller, core roller, guide roller, the guiding roller seat for installing guide roller and with
The hydraulic cylinder that is connected of guiding roller seat, it is characterised in that: it further include hollow positioning sleeve, cover board and several double thread bars, it is described
Hollow positioning sleeve is fixedly connected on the rack, and the hydraulic cylinder is mounted in hollow positioning sleeve, and cover board is located on hollow positioning sleeve,
Rack is equipped with several threaded holes, and one end of double thread bar passes through the threaded hole screw thread in cover board and hollow positioning sleeve and rack
Connection, the other end of double thread bar are threaded with nut.
2. ring rolls rotation-preventing mechanism according to claim 1, it is characterised in that: the double thread bar is close to the end of thread
The body of rod is set as prismatic, and the cover board is equipped with and the prismatic through-hole matched.
3. ring rolls rotation-preventing mechanism according to claim 2, it is characterised in that: the side of the guiding roller seat is equipped with support
Unit, support unit include strut and sliding rail, and one end of strut is vertically connected on guiding roller seat, and the other end of strut, which slides, to be connected
It connects in sliding rail, sliding rail is fixedly connected on the rack, and is parallel to the center line of the motion profile of guide roller.
4. ring rolls rotation-preventing mechanism according to claim 3, it is characterised in that: the two sides of the guiding roller seat are equipped with knot
Structure is identical and symmetrical support unit.
5. ring rolls rotation-preventing mechanism according to claim 4, it is characterised in that: the double thread bar is close to the end of thread
The body of rod is set as square column type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821608137.5U CN209021136U (en) | 2018-09-29 | 2018-09-29 | Ring rolls rotation-preventing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821608137.5U CN209021136U (en) | 2018-09-29 | 2018-09-29 | Ring rolls rotation-preventing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209021136U true CN209021136U (en) | 2019-06-25 |
Family
ID=66905282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821608137.5U Active CN209021136U (en) | 2018-09-29 | 2018-09-29 | Ring rolls rotation-preventing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444104A (en) * | 2023-12-20 | 2024-01-26 | 山西成双法兰股份有限公司 | Ring rolling forming die and forming method thereof |
-
2018
- 2018-09-29 CN CN201821608137.5U patent/CN209021136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444104A (en) * | 2023-12-20 | 2024-01-26 | 山西成双法兰股份有限公司 | Ring rolling forming die and forming method thereof |
| CN117444104B (en) * | 2023-12-20 | 2024-03-19 | 山西成双法兰股份有限公司 | Ring rolling forming die and forming method thereof |
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