CN1018336B - Dynamic stable two-roller horizontal hot-rolled pipe puncher - Google Patents
Dynamic stable two-roller horizontal hot-rolled pipe puncherInfo
- Publication number
- CN1018336B CN1018336B CN 90105178 CN90105178A CN1018336B CN 1018336 B CN1018336 B CN 1018336B CN 90105178 CN90105178 CN 90105178 CN 90105178 A CN90105178 A CN 90105178A CN 1018336 B CN1018336 B CN 1018336B
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- drum
- roll
- lobe
- hinged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000002224 dissection Methods 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
A dynamic and stable two-roller horizontal hot rolled pipe puncher belongs to pressure processing equipment in metallurgical technology. The adjusting mechanism is a rotary drum with a split structure and a hydraulic cylinder transmission double-sleeve elastic drum pressing device, eliminates the assembly gap between a roller bearing box and the rotary drum, avoids roller vibration, reduces the vibration impact abrasion of transmission parts, improves the quality of pierced billets, reduces the total weight of equipment, reduces the manufacturing cost by 40-50%, improves the service life by 2-3 times, has low energy consumption, high efficiency and wide application range, and is suitable for various hot-rolled seamless pipe units.
Description
The present invention relates to a kind of dual roll type hot-rolled pipe punch, the pressworking equipment that belongs to technical field of metallurgy industry, particularly in the iron and steel industry hot rolled seamless steel tube unit, finish the main distortion operation of rolling in first road, the pipe material under hot is bored a hole into the plant equipment of hollow forging.
In the horizontal hot-rolled pipe punch of known two rollers, be mostly to intersect and the rotating roll of same direction and guiding mechanism thereof are formed by frame and two.Guiding mechanism mainly is the feed angle mechanism that the rotary drum formation of roll and bearing housing thereof is housed, mechanism is entered in the roll side pressure, its effect is to make roll stable when work, in the hope of making the pass center line consistent with the rolled piece center line, rolled piece rotates reposefully in pass and advances, the waste thickness of pipe wall that reaches punch is even, steady quality.Yet so far, known two roller horizontal perforated machines but have some shortcomings, when rolled piece entered pass and bores a hole, roll often produced violent vibrations, influenced the hollow forging quality, wall unevenness, sometimes even cause the irreparable defective of next procedure, meanwhile, the transmission parts of guiding mechanism are because of the impact wearing and tearing too early of vibrations, certainly will influence the operating rate of punch, this is the problem that does not solve fully as yet for a long time.Therefore people are to two roller horizontal perforated machines, from different perspectives, have carried out many effort and have gone to overcome its vibrations when dynamic.Usually notice the raising housing rigidity more, the parts rigidity and the accuracy of manufacture, even bar structure is designed to more complicated and huge punch.As three-roll piercing mill, garden disk piercer or the vertical punch of two rollers, but because of its cost height, pass is adjusted complicated, and versatility is poor, weakness such as yield poorly, and the scope of application is restricted.And take the another kind of practice is weak point at existing two roller horizontal perforated machines, new device is provided or improves project organization.
Russian Patent application number 3215285/22-02 discloses a kind of punch that can be used for and has locked drum device, purpose is that the control roll reduces vibrations at work, its formation is that to promote single-revolution arm rotating screw bolt by hydraulic cylinder be an angle, and the nut effect underdrive screw rod in being fixed in frame and the briquetting of connection reach the locking rotary drum.Weak point is that the moving gap of string is arranged between nut and the screw rod, and the screw rod angle of rotating is subjected to the restriction of hydraulic cylinder piston stroke and limited.Even cause locking to be lost efficacy, and and does not eliminate yet the fit-up gap of roll bearing box and rotary drum, shakes during roll dynamic, can not solve fully, the problem of beating of roll still exists.
In " new development that external hot rolled seamless steel tube is produced " (in August, 1981, the Shanxi People's Press front page first impression is published) the 80th page and afterwards, put down in writing that Soviet Union Ural heavy-duty machine factory manufactures and designs, the two roller punch that belongs to Mannesmann's formula of Germany, its objective is to make rolled piece stable operation in pass, but roll vibration problems dynamically the time fails to solve.
The objective of the invention is to avoid aforementioned weak point of the prior art, and provide a kind of horizontal hot-rolled pipe punch of two rollers to eliminate to adjust gap between the roll transmission parts with locking device, both be convenient to timely adjustment, at any time can lock again, make roll, reduce the jerk of parts and the early stage damage that causes in dynamically down stable operation, rolled piece stable rotation in pass is advanced, waste pipe thickness is even, steady quality, the operating rate of raising punch.
The objective of the invention is to realize by following measure.
In the frame of upper-cover and lower support composition, the rotary drum of two cover rolls and bearing housing thereof is housed, assemble the rotary drum of the two bearings case of each roll and make split type structure, be combined into a garden cylindricality by first lobe rotary drum (5) and second lobe rotary drum (6), at one end use bearing pin (7) to connect, drift (8) locks.Identical with a hydraulic cylinder (13) transmission two nested structures and can slide between the drift of framework window drum pressing device (12) and the briquetting (19) hinged with it are pressed on the cylindrical of first lobe rotary drum (5).When adjusting roll, loosen the briquetting of drum pressure device earlier, compress rotary drum after the adjustment, reach and eliminate fit-up gap between roll bearing box and the rotary drum, make roll avoid vibrations, stable operation.
Purpose of the present invention can also reach by following measure:
In the dissection type rotary drum, the two bearings case place of second lobe rotary drum (6) is semicircle, each assembles the slide plate chair (9) of an automatic aligning, this slide plate chair bottom semicircular face has the groove of seam boss and second lobe rotary drum (6) to match, upper plane has slide plate (10b) back up roll bearing housing (4), on, second lobe rotary drum (5), (6) one ends have two bearing pins (7) and two groups of drifts (8), (20) connect the locking of back, location, has the drum pressing device (12) of dish spring by the briquetting hinged (19) at one by two covers that are loaded on hydraulic cylinder (13) transmission on the frame hinged-support with it, be pressed on the periphery of first lobe rotary drum (5), reach and eliminate fit-up gap between roll bearing box and the rotary drum.
The present invention is further described below in conjunction with accompanying drawing embodiment.
Fig. 1 be the present invention dynamically stably the horizontal hot-rolled pipe punch of two rollers structure face half sectional view.
Fig. 2 is the cutaway view of Fig. 1 along A-A.
Fig. 3 is second lobe rotary drum connection diagram on the split type structure rotary drum.
The present invention is further described in conjunction with Fig. 1 embodiment.Roll feed angle mechanism is made of the rotary drum (5) that roll (3) and roll bearing box (4) are housed, (6) and transmission mechanism thereof by in the frame of forming at upper-cover (1) and lower support (2).Rotary drum is by first lobe rotary drum (5) and second lobe rotary drum (6), is connected by bearing pin (7), and drift (8) locking synthesizes cylindrical.Before synthetic, install roll (3) and bearing housing (4) integral installation thereof fit over the semicircle slide (9) of the automatic aligning that matches of second lobe rotary drum (6) and slide plate (10b) above, when first lobe rotary drum (5) and slide plate (10a) are connected the location around bearing pin (7) revolution, and connect with (20) among drift (8) and Fig. 3 and to lock.The feed angle adjustment of roll is mechanism's work of known transmission rotary drum commonly used, after making it to adjust to requirement, compresses rotary drum.Distance between two rolls is respectively to have the roll side pressure of known use to enter mechanism (11) to adjust by being contained in synthetic rotary drum outer end.(12) are drum pressing devices among the figure.
Illustrate that below in conjunction with Fig. 2 the embodiment of the invention compresses the formation of drum device.
Hydraulic cylinder (13) is on the hinged-support (14) that is contained in above the upper-cover (1), each hinged identical crank-bar linkage (15) of two ends and depression bar (16), the drum pressing devices (12) that connect two cover symmetries have in the window of upper-cover (1) between the slideway of adjustable drift (17) and vertically move.The briquetting (19) that multilayer disk spring (18) is arranged in the hole slot of drum pressing device (12) lower end and be hinged with it, be pressed on symmetrically on the cylindrical of first lobe rotary drum (5), its bearing pin that provides in Fig. 3 (7) is compressed to second lobe rotary drum (6), make the slide plate chair (9) of upper and lower half lobe rotary drum and block bearing case (4) automatic aligning and slide plate (10a) and (10b) between eliminate its gap by thrust, disk spring (18) in the drum pressing device absorbs roll vibrations and rolled piece impulsive force, makes roll stable operation under the locking state in bearing housing and rotary drum.
The bind mode of synthetic rotary drum is described: make spill on the center line of end subdivision place with second lobe rotary drum of first lobe rotary drum (5) and second lobe rotary drum (6) in conjunction with Fig. 3, first lobe rotary drum (6) is made down convex, connect the location by bearing pin (7), will penetrate connecting piece (22) locking of notch (21) and first lobe rotary drum (5) of second lobe rotary drum (6) by two groups of drifts (8) and (20).
The present invention has following advantage compared to existing technology:
1. because the rotary drum that roll bearing box is housed is split type structure, by the pressuring action of two cover elasticity drum pressing devices of hydraulic cylinder transmission, eliminate the fit clearance of bearing housing and rotary drum, avoided the vibrations of roll under dynamically, raising hollow forging product quality.
2. each parts of guiding mechanism move owing to there being retaining mechanism to act in the situation of eliminating drive gap, have avoided jerk to reduce wear, and improve service life. Increase the service life 2-3 times, retaining mechanism is hydraulic drive, and member is small and exquisite, adjust rapidly steadily, and the potent rate height of self-locking performance, it is simple and convenient to change roll and instrument, easily realizes automation mechanized operation.
3. the punch of the present invention and existing said function compares, and gross weight reduces half, and manufacturing cost reduces 40-50%, produces power consumption and lacks, and kinetic energy rejection lacks the efficient height, is suitable for multiple hot seamless tube unit, and the scope of application is wide.
Claims (4)
1, is set with the rotary drum of roll and bearing housing thereof by frame, two and compresses roll feed angle mechanism, the side pressure that drum device constitutes and advance the horizontal hot-rolled pipe punch of two rollers that mechanism forms, the rotary drum that it is characterized in that adorning roll two bearings case is that subdivision is first lobe rotary drum and second lobe rotary drum, connects for cylindrical by member; Compress drum device and be by a hydraulic cylinder and its connecting rod transmission two nested structures elasticity drum pressing device identical and that between the framework window inner wedge iron, slide and the briquetting that is hinged thereof and constitute.
2, two roller horizontal perforated machines according to claim 1 is characterized in that the upper and lower half lobe rotary drum connection of two dissection type rotary drums is that two bearing pins are at one end arranged, by two groups of drifts lockings.
3, according to claim 1 and 2 described two roller horizontal perforated machines, respectively there is semicircle automatic aligning slide plate chair at the two bearings case place that it is characterized in that second lobe rotary drum, has the groove at the semicircle spill place of stopping table and second lobe rotary drum to match on the semicircle face of this slide plate chair.
4, two roller horizontal perforated machines according to claim 1, it is characterized in that compressing the identical elasticity drum pressing device of two structures of rotary drum in framework window between two drifts lifting slide, each is hinged the upper end with connecting rod and the hydraulic cylinder and the piston rod thereof that are loaded on the frame hinged-support, and the briquetting that multilayer disk spring and member thereof is arranged in the hole slot of bottom and directly can be pressed in first lobe rotary drum is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90105178 CN1018336B (en) | 1990-07-19 | 1990-07-19 | Dynamic stable two-roller horizontal hot-rolled pipe puncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90105178 CN1018336B (en) | 1990-07-19 | 1990-07-19 | Dynamic stable two-roller horizontal hot-rolled pipe puncher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1052062A CN1052062A (en) | 1991-06-12 |
| CN1018336B true CN1018336B (en) | 1992-09-23 |
Family
ID=4879010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90105178 Expired CN1018336B (en) | 1990-07-19 | 1990-07-19 | Dynamic stable two-roller horizontal hot-rolled pipe puncher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1018336B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100496780C (en) * | 2006-12-29 | 2009-06-10 | 太原重工股份有限公司 | Device for regulating baking angle of roll-box of large horizontal perforating machine |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602119A (en) * | 2009-07-08 | 2009-12-16 | 江苏常宝普莱森钢管有限公司 | Accurate transmission roller structure of billet hot piercing mill |
| CN101767141B (en) * | 2010-03-29 | 2011-09-28 | 常州市耀华电机设备有限公司 | Lifting workbench of numerically controlled notching press |
| JP4947450B2 (en) * | 2010-11-02 | 2012-06-06 | 住友金属工業株式会社 | Defective detection method for piercing and rolling, and seamless pipe manufacturing method |
| CN102327897A (en) * | 2011-07-26 | 2012-01-25 | 太原通泽重工有限公司 | Tappet centering device for perforating machine |
| CN102302984A (en) * | 2011-08-31 | 2012-01-04 | 山西恩必讴重工有限公司 | Structure of coal slime water centrifugal machine drum dissection connecting mode |
| CN102489522B (en) * | 2011-12-15 | 2014-01-29 | 太原重工股份有限公司 | Rack of two-roll tube rolling mill |
-
1990
- 1990-07-19 CN CN 90105178 patent/CN1018336B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100496780C (en) * | 2006-12-29 | 2009-06-10 | 太原重工股份有限公司 | Device for regulating baking angle of roll-box of large horizontal perforating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1052062A (en) | 1991-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5829294A (en) | Split-level roll former | |
| CN101185942B (en) | Roller mill roll bending and shifting device | |
| CN1018336B (en) | Dynamic stable two-roller horizontal hot-rolled pipe puncher | |
| CN111438190B (en) | Plate type wedge cross rolling mill | |
| CN206882482U (en) | Corrugated steel shaped device | |
| US5596899A (en) | Mill housings for cluster mills | |
| CN112547799B (en) | Special machine for rolling metal polar plate | |
| CN2899987Y (en) | Conical punching machine for seamless steel pipe | |
| CN101549354A (en) | Six-roller mill | |
| CN107626781A (en) | A kind of adjustable four-roll plate bending machine | |
| CA1044180A (en) | Indexing wedge drive for cold tube reducing mills and the like | |
| CN201603741U (en) | Reversible two-high reversible rolling mill | |
| CN1827251B (en) | Mill stand for rolling rod-like or tubular rolling stock | |
| CN212069935U (en) | Upper and lower roll clearance adjustment mechanism and roll-type cold roll forming machine based on worm gear | |
| CN100496780C (en) | Device for regulating baking angle of roll-box of large horizontal perforating machine | |
| EP0051121B1 (en) | Spinning machine | |
| CN220837216U (en) | Calendaring roller adjusting structure for metal calendaring machine | |
| US5113623A (en) | Method and apparatus for grinding the work rolls of a planetary rolling mill | |
| CN201223876Y (en) | Six-roller cold rolling mill | |
| JPS585721B2 (en) | rolling mill stand | |
| CN219168551U (en) | Avoid rolling roll squeezer to metallic iron sediment | |
| CN220942550U (en) | Metal smelting calendaring device with high wear-resistant function | |
| CN2452634Y (en) | Dynamic stable two-roller large-caliber bacterial type puncher | |
| CN219899639U (en) | Rolling device and equipment for lithium battery pole piece | |
| CN208788927U (en) | Rolling mill roller clearance adjustment mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |