CN102151702B - Rear guide device for seamless steel tube rolling mill - Google Patents
Rear guide device for seamless steel tube rolling mill Download PDFInfo
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- CN102151702B CN102151702B CN2011101155097A CN201110115509A CN102151702B CN 102151702 B CN102151702 B CN 102151702B CN 2011101155097 A CN2011101155097 A CN 2011101155097A CN 201110115509 A CN201110115509 A CN 201110115509A CN 102151702 B CN102151702 B CN 102151702B
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Abstract
The invention discloses a rear guide device for a seamless steel tube rolling mill and belongs to the technical field of a seamless steel tube rolling mill. The rear guide device mainly comprises a guide base, two side guide plates and a top guide plate, wherein the guide base is equipped with a V-shaped groove; the two side guide plates are respectively constrained and installed at the inner sides of the V-shaped groove; the top guide plate is fixedly arranged on a swing device for opening or closing the top guide plate; the swing device is connected with a power unit; and when the top guide plate is closed, the two side guide plates and the top guide plate form a guide channel. By the invention, the technical problems that a rear guide device is difficult to replace and the replacement efficiency is low when seamless steel tubes with different specifications are rolled, thus the rear guide device can be widely applied to the manufacturing of the seamless steel tubes.
Description
Technical field
The present invention relates to the slitless tube mill technical field, relate in particular to guider behind a kind of slitless tube mill.
Background technology
At present, in well-known seamless pipe Rolling Production equipment line, guider has all been taked a kind of design of three interlock guide plates behind the supporting milling train.This design for scheme thinking is: the relative position of three interlock guide plates of adjustment, the inside guiding inner chamber that these three guide plates are formed changes, and satisfies the vary in diameter requirement of rolling different size tubing with this.
Though in seamless pipe rolling equipment production line, guider behind the milling train of three interlock guide plates of this kind has obtained promoting the use of, still there is certain shortcoming and defect this device in itself, mainly contains following 2 points:
The one, guider behind the milling train originally, its design motif relies on three guide plates to link each other exactly, can be within the specific limits the seamless pipe external diameter of different size be played guide effect thereby form.But; In the course of the work, because these three condition restriction that interlock guide plate regulated is limited in scope, under a stable condition; Must can satisfy the technology instructions for use through changing different guide plates, the guide plate of therefore changing on this device is the work that must do.When changing this guide plate, because receive this guider effect on structure, must at first all unclamp the fastening bolt of this device and its base, then, again it is hung oneself from mounting seat and transport to other zone and change.Replacing finishes, and according to the anti-flow process of above program, it is assembled to above the base more again, after to be tightened the putting in place, can come into operation again.According to designing requirement, in a cover seamless pipe rolling equipment production line, need be equipped with guider behind 8 covers or the more milling train at least; And; Guider behind all these milling trains must all be changed behind the guide plates, like this; Whole replacing process has just become time-consuming a, effort and the rather complicated course of work, thus this to a certain extent can considerable influence to production efficiency.
The 2nd, guider behind the milling train originally; Because of three interlock guide plates above it separately between rely on connecting bolt to be connected in series; When needs are adjusted, adjust the attaching nut position on each connecting bolt respectively by manual work, the connection distance between letting separately changes; Thereby the change in size of the inner chamber that causes leading realizes the guide function to the different size tube rolling.But in these nuts that need adjust, the nut that has is positioned at supporting box inside, therefore causes being not easy to very much operation.And, want this adjustment of fast as far as possible completion, also need operating personnel to grasp certain skill, accomplish otherwise be difficult to satisfy fast, so the personnel that this operation also needs to be grasped certain skill accomplish.
Summary of the invention
Technical problem to be solved by this invention is: guider behind a kind of slitless tube mill is provided, to solve when the seamless steel pipe of rolling different size, change milling train after the guider difficulty big, inefficient technical problem.
For solving the problems of the technologies described above; Technical scheme of the present invention is: guider behind the slitless tube mill, comprise guide seats, and said guide seats is provided with v-depression; Also comprise two side guide plates, described two side guide plates retrain the inboard that is installed on said v-depression respectively; The top guide plate; Said top guide plate is fixedly installed in and is used to that said top guide plate is opened or closed pendulous device; Said pendulous device is connected with power set, and when guide plate was closed on said top, described two side guide plates and top guide plate formed guide channel.
As a kind of improvement, the bottom of said v-depression is provided with a U-shaped groove, is installed with positioning seat in the said U-shaped groove, and described two side guide plates rely on respectively on the said positioning seat; The guide seats at said v-depression top is provided with the side guide plate hold down gag that is used for described two side guide plate fixed-site.
As further improvement; Said side guide plate hold down gag comprises and is used for said side guide plate is pressed in the clamping seats on the inclined-plane of said v-depression; Said clamping seats is fixedly installed on the said guide seats through fastening bolt; One end of said clamping seats is pressed on the said side guide plate, and the other end is provided with puller bolt, and said puller bolt relies on the said guide seats; Plate, said plate are arranged on the said clamping seats and between said fastening bolt and clamping seats, offer uncovered long gain on the said plate, and said fastening bolt runs through said long gain and said plate is pressed on the said clamping seats.
As further improvement, said clamping seats be provided with one said fastening bolt is passed through fully through hole, said fastening bolt runs through said through hole.
As a kind of improvement, said pendulous device comprises swinging cranks arm, and said swing is cranked arm and is articulated on the said guide seats, and said power set are connected in the end that said swing is cranked arm; Rotary support, said rotary support is articulated in the other end that said swing is cranked arm, and said top guide plate is fixedly installed in an end of said rotary support; Support bar, an end of said support bar is articulated on the said guide seats, and the said support bar other end is articulated in the other end of said rotary support.
As further improvement, said power set comprise hydraulic jack, and the cylinder body of said hydraulic jack is articulated on the said guide seats, and the piston rod of said hydraulic jack is articulated on said swing cranks arm.
As further improvement, said guide seats is provided with the pull bar that is used to limit said hydraulic jack range, and said pull bar one end is articulated on the said guide seats, and other end constraint is installed on said swing cranks arm.
As further improvement, said pull bar passes and is articulated in the jointed shaft of said swing on cranking arm, and the end that said pull bar passes said jointed shaft is provided with screw thread, and said pull bar is provided with the adjustment nut suitable with said screw thread.
As further improvement, be equipped with the crank arm adjustment piece of oscillating stroke of the said swing of adjustment on said support bar and the pull bar, said adjustment piece is sheathed on said support bar or the pull bar.
As further improvement, said adjustment piece comprises two halfbodies that link together relatively.
After having adopted technique scheme, the invention has the beneficial effects as follows: because therefore the top guide plate is installed on the guide seats, through the pendulous device that is driven by power set; When side change guide plate more, pendulous device is opened, so the side guide plate in the v-depression just comes out; Operating personnel can dismantle and lift easily, more finish changing the side guide plate after, only need closed with the top guide plate; Just can form needed guide channel, and needn't change the top guide plate, save working time greatly; Reduce operator's labour intensity, improved production efficiency.
Because the side guide plate is installed in the v-depression through positioning seat and clamping seats constraint, during dismounting, opens the top guide plate, only need clamping seats be unclamped then; Just can the side guide plate be lifted out, quick and make things convenient for, compare with the side guide plate of traditional bolt; Dismounting and easy for installation, and with low content of technology, only need the puller bolt of clamping seats be held out against; The side guide plate is pressed on the v-depression, then fastening bolt is screwed, clamping seats is fixed get final product.
Since clamping seats be provided with one fastening bolt is passed through fully through hole, during dismounting, only need fastening bolt and puller bolt be unclamped, extract plate then out, just can clamping seats be taken out from fastening bolt, convenient and swift, further improved production efficiency.
Owing to be provided with the adjustment piece that the rotational travel of cranking arm is swung in restriction on the support bar of pendulous device and the pull bar; The pendulum angle that feasible swing is cranked arm can obtain suitable adjustment; Thereby make guide plate distance apart from the guide channel central axis when vertical state in top be able to adjustment; Obtain the needs of seamless steel pipe different size, expanded the scope of application of guider behind the slitless tube mill.
Owing to the adjustment piece comprises two halfbodies that link together relatively, when stroke is cranked arm in the adjustment swing, only need or remove the adjustment piece and get final product in increase; During operation; Two halfbodies that link together are opened, just can be installed or dismantle the adjustment piece easily, further improved production efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of pendulous device;
Fig. 3 is the structural representation of side guide plate hold down gag;
Fig. 4 is the structural representation of pull bar;
Fig. 5 is another working state figure of the embodiment of the invention;
Among the figure: 1, guide seats, 2, the side guide plate, 3, the top guide plate, 4, positioning seat, 5, side guide plate hold down gag; 51, clamping seats, 52, puller bolt, 53, plate, 54, fastening bolt, 6, pendulous device; 61, swing is cranked arm, and 62, rotary support, 63, support bar, 64, pull bar, 65, jointed shaft; 66, adjustment piece, 7, power set, 71, the cylinder body of hydraulic jack, 72, the piston rod of hydraulic jack.
The specific embodiment
As shown in Figure 1, guider behind a kind of slitless tube mill, guider behind the slitless tube mill mainly comprises guide seats 1, two side guide plates 2 and top guide plates 3, wherein, said guide seats 1 is provided with v-depression; Described two side guide plates 2 retrain the inboard that is installed on said v-depression respectively; Said top guide plate 3 is fixedly installed in and is used to that said top guide plate 3 is opened or closed pendulous device 6, and said pendulous device 6 is connected with power set 7, under the driving of power set 7; Pendulous device 6 drive top guide plates 3 are closed in working order; When guide plate 3 was closed on said top, described two side guide plates 2 formed guide channels with top guide plate 3, when needs more during side change guide plate 2; Power set 7 drive pendulous device 6; Top guide plate 3 is opened, depart from the center, so that the lifting of side guide plate 2.
As shown in Figure 3, the bottom of said v-depression is provided with a U-shaped groove, is installed with positioning seat 4 in the said U-shaped groove, and described two side guide plates 2 rely on respectively on the said positioning seat 4; The guide seats 1 at said v-depression top is provided with the side guide plate hold down gag 5 that is used for described two side guide plate 2 fixed-site.Said side guide plate hold down gag 5 mainly comprises and is used for said side guide plate 2 is pressed in clamping seats 51 and plate 53 on the inclined-plane of said v-depression; Wherein, Said clamping seats 51 is fixedly installed on the said guide seats 1 through fastening bolt 54; One end of said clamping seats 51 is pressed on the said side guide plate 2, and the other end is provided with puller bolt 52, and said puller bolt 52 relies on the said guide seats 1; Said plate 53 is arranged on the said clamping seats 51 and between said fastening bolt 54 and clamping seats 51; Offer uncovered long gain on the said plate 53, said fastening bolt 54 runs through said long gain and said plate 53 is pressed on the said clamping seats 51.Said clamping seats 51 be provided with one said fastening bolt 54 is passed through fully through hole, said fastening bolt 54 runs through said through hole.
Shown in Fig. 1 and Fig. 2 were common, said pendulous device 6 comprised mainly that swing cranks arm 61, rotary support 62 and support bar 63, and wherein, said swing is cranked arm and 61 is articulated on the said guide seats 1, and said power set 7 are connected in a crank arm end of 61 of said swing; Said rotary support 62 is articulated in crank arm 61 the other end of said swing, and said top guide plate 3 is fixedly installed in an end of said rotary support 62; One end of said support bar 63 is articulated on the said guide seats 1, and said support bar 63 other ends are articulated in the other end of said rotary support 62.
Said power set 7 comprise hydraulic jack, and the cylinder body 71 of said hydraulic jack is articulated on the said guide seats 1, and the piston rod 72 of said hydraulic jack is articulated in said swing and cranks arm on 61.
Shown in Fig. 1, Fig. 2 and Fig. 4 were common, said guide seats 1 was provided with the pull bar 64 that is used to limit said hydraulic jack range, and said pull bar 64 1 ends are articulated on the said guide seats 1, and other end constraint is installed on said swing and cranks arm on 61.Concrete, said pull bar 64 passes and is articulated in the said swing jointed shaft 65 on 61 of cranking arm, and the end that said pull bar 64 passes said jointed shaft 65 is provided with screw thread, and said pull bar 64 is provided with the adjustment nut suitable with said screw thread.
Be equipped with the crank arm adjustment piece 66 of 61 oscillating strokes of the said swing of adjustment on said support bar 63 and the pull bar 64, said adjustment piece 66 is sheathed on said support bar 63 or the pull bar 64.Said adjustment piece 66 comprises two halfbodies that link together relatively, when changing specification, only need opposite opened be adjusted piece 66 and open, just can dismantle or overlap and load onto, and will support bar 63 or pull bar 64 integral demountings, thereby improved production efficiency.
Its course of work is following:
As shown in Figure 1, adjust the position of support bar 63 and pull bar 64 upper setting blocks 66 after, the piston rod 72 of hydraulic jack stretches out; Swing cranks arm 61 when swinging to range; The adjustment piece 66 of pull bar 64 is spacing with the piston rod 72 of hydraulic jack, and at this moment, rotary support 62 is under adjustment piece 66 position-limiting actions of support bar 63; Just make top guide plate 3 be in vertical state, top guide plate 3 and two side guide plates 2 form guide channel.
As shown in Figure 5, when needs are changed the specification of seamless steel pipe, need more side change guide plate 2; The piston rod 72 of hydraulic jack is regained; Feasible swing cranks arm 61 around the pin joint rotation, drives top guide plate 3 and departs from the center, and operating personnel just can dismantle two side guide plates 2 easily.During dismounting,, then puller bolt 52 is unclamped as long as fastening bolt 54 is unclamped; Extract plate 53 out; Clamping seats 51 just can directly be moved from fastening bolt 54, because the through hole on the clamping seats 51 can make that fully fastening bolt 54 passes through, with lifting device side guide plate 2 is hung from the top then; Needed side guide plate 2 is got final product according to the installation of reverse operating rules, repeat no more at this.After installing side guide plate 2, need the position of adjustment top guide plate 3, at first adjust the position of pull bar 64 upper setting blocks 66; Make that guide plate 3 closed back height and positions in top are suitable, adjust the position of support bar 63 upper setting blocks 66 then, rotate rotary support 62; Make that the angle of top guide plate 3 is suitable; After adjusting, just closed top guide plate 3, milling train begins operate as normal.
The present invention is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within protection scope of the present invention.
Claims (10)
1. guider behind the slitless tube mill comprises guide seats, and said guide seats is provided with v-depression, it is characterized in that: also comprise
Two side guide plates, described two side guide plates retrain the inboard that is installed on said v-depression respectively;
The top guide plate; Said top guide plate is fixedly installed in and is used to that said top guide plate is opened or closed pendulous device; Said pendulous device is connected with power set, and when guide plate was closed on said top, described two side guide plates and top guide plate formed guide channel.
2. guider behind the slitless tube mill as claimed in claim 1 is characterized in that: the bottom of said v-depression is provided with a U-shaped groove, is installed with positioning seat in the said U-shaped groove, and described two side guide plates rely on respectively on the said positioning seat; The guide seats at said v-depression top is provided with the side guide plate hold down gag that is used for described two side guide plate fixed-site.
3. guider behind the slitless tube mill as claimed in claim 2 is characterized in that: said side guide plate hold down gag comprises
Be used for said side guide plate is pressed in the clamping seats on the inclined-plane of said v-depression; Said clamping seats is fixedly installed on the said guide seats through fastening bolt; One end of said clamping seats is pressed on the said side guide plate; The other end is provided with puller bolt, and said puller bolt relies on the said guide seats;
Plate, said plate are arranged on the said clamping seats and between said fastening bolt and clamping seats, offer uncovered long gain on the said plate, and said fastening bolt runs through said long gain and said plate is pressed on the said clamping seats.
4. guider behind the slitless tube mill as claimed in claim 3 is characterized in that: said clamping seats be provided with one said fastening bolt is passed through fully through hole, said fastening bolt runs through said through hole.
5. guider behind the slitless tube mill as claimed in claim 1 is characterized in that: said pendulous device comprises
Swing is cranked arm, and said swing is cranked arm and is articulated on the said guide seats, and said power set are connected in the end that said swing is cranked arm;
Rotary support, said rotary support is articulated in the other end that said swing is cranked arm, and said top guide plate is fixedly installed in an end of said rotary support;
Support bar, an end of said support bar is articulated on the said guide seats, and the said support bar other end is articulated in the other end of said rotary support.
6. guider behind the slitless tube mill as claimed in claim 5; It is characterized in that: said power set comprise hydraulic jack; The cylinder body of said hydraulic jack is articulated on the said guide seats, and the piston rod of said hydraulic jack is articulated on said swing cranks arm.
7. guider behind the slitless tube mill as claimed in claim 6; It is characterized in that: said guide seats is provided with the pull bar that is used to limit said hydraulic jack range; Said pull bar one end is articulated on the said guide seats, and other end constraint is installed on said swing cranks arm.
8. guider behind the slitless tube mill as claimed in claim 7; It is characterized in that: said pull bar passes and is articulated in the jointed shaft of said swing on cranking arm; The end that said pull bar passes said jointed shaft is provided with screw thread, and said pull bar is provided with the adjustment nut suitable with said screw thread.
9. guider behind the slitless tube mill as claimed in claim 8 is characterized in that: be equipped with the crank arm adjustment piece of oscillating stroke of the said swing of adjustment on said support bar and the pull bar, said adjustment piece is sheathed on said support bar or the pull bar.
10. guider behind the slitless tube mill as claimed in claim 9 is characterized in that: said adjustment piece comprises two halfbodies that link together relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101155097A CN102151702B (en) | 2011-05-05 | 2011-05-05 | Rear guide device for seamless steel tube rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101155097A CN102151702B (en) | 2011-05-05 | 2011-05-05 | Rear guide device for seamless steel tube rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102151702A CN102151702A (en) | 2011-08-17 |
| CN102151702B true CN102151702B (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101155097A Active CN102151702B (en) | 2011-05-05 | 2011-05-05 | Rear guide device for seamless steel tube rolling mill |
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| Country | Link |
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| CN (1) | CN102151702B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013200717A1 (en) * | 2013-01-18 | 2014-07-24 | Hauni Maschinenbau Ag | Apparatus for longitudinal axial guiding of rod-shaped products of the tobacco-processing industry |
| JP6539223B2 (en) * | 2016-03-08 | 2019-07-03 | 株式会社日立ビルシステム | Wiring holding jig |
| CN108637363A (en) * | 2018-05-28 | 2018-10-12 | 安徽工程大学 | A kind of steel pipe cutting clamp system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879972A (en) * | 1973-05-17 | 1975-04-29 | Nippon Kokan Kk | Method and apparatus for removing a plug |
| US6158262A (en) * | 1997-10-13 | 2000-12-12 | Sumitomo Metal Industries, Ltd. | Piercing mill and cannon exchange method |
| CN2664803Y (en) * | 2003-11-26 | 2004-12-22 | 宝山钢铁股份有限公司 | Guide frame of steel pipe rolling mill |
| CN201164865Y (en) * | 2007-12-25 | 2008-12-17 | 合肥市百胜科技发展有限公司 | Demountable slide entrance guide |
| CN202037189U (en) * | 2011-05-05 | 2011-11-16 | 山东墨龙石油机械股份有限公司 | Rear guiding device of seamless steel tube rolling mill |
-
2011
- 2011-05-05 CN CN2011101155097A patent/CN102151702B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879972A (en) * | 1973-05-17 | 1975-04-29 | Nippon Kokan Kk | Method and apparatus for removing a plug |
| US6158262A (en) * | 1997-10-13 | 2000-12-12 | Sumitomo Metal Industries, Ltd. | Piercing mill and cannon exchange method |
| CN2664803Y (en) * | 2003-11-26 | 2004-12-22 | 宝山钢铁股份有限公司 | Guide frame of steel pipe rolling mill |
| CN201164865Y (en) * | 2007-12-25 | 2008-12-17 | 合肥市百胜科技发展有限公司 | Demountable slide entrance guide |
| CN202037189U (en) * | 2011-05-05 | 2011-11-16 | 山东墨龙石油机械股份有限公司 | Rear guiding device of seamless steel tube rolling mill |
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| CN102151702A (en) | 2011-08-17 |
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