CN1201879C - Conic perforator - Google Patents
Conic perforator Download PDFInfo
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- CN1201879C CN1201879C CN 03112106 CN03112106A CN1201879C CN 1201879 C CN1201879 C CN 1201879C CN 03112106 CN03112106 CN 03112106 CN 03112106 A CN03112106 A CN 03112106A CN 1201879 C CN1201879 C CN 1201879C
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- cone
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Abstract
The present invention relates to a conical perforating machine. The machine comprises a machine frame, two rotary drums arranged in the machine frame, two rolls, a guide plate and an adjusting device of the guide plate, wherein the upper part and the bottom of the machine frame are respectively provided with an upper cover and a bottom seat, the two rolls are respectively arranged on the rotary drums, the machine frame is formed by the way that low-expansion metal is integrally cast into a cylinder with a circular cross section, and the adjusting device of the guide plate of the conical perforating machine is integrally arranged outside the machine frame and is locked on the machine frame by an inclined wedge. The distance between the guide plate and a center line is adjusted in the manner that a horizontal arranged spiral elevator is manipulated by a motor. The conical perforating machine is provided with the integrally cast machine frame in the cylinder structure; consequently, the machine has the advantages for saved casting material in a great quantity for the machine frame, enhanced integral rigidity of the machine frame, reasonable stress during perforation, uniform stress in a radial direction in particular, and nonexistence of stress concentration points.
Description
Technical field
The present invention relates to a kind of pressworking equipment of technical field of metallurgy industry, particularly be used for finishing main the rolling in first road in the hot rolled seamless steel tube unit and be out of shape the dual roll type oblique milling hot-rolled pipe punch that operation is bored a hole into the blank of heating hollow forging.But the present invention is not limited only to above-mentioned dual roll type oblique milling hot-rolled pipe punch, also can be used for using in other punch.
Background technology
The Mannesmann piercing machine of existing hot rolled seamless steel tube unit roughly is divided into two classes, the first kind is traditional Man punch of early stage invention, its roll shape is a bucket formula structure, in order to adapt to the requirement of this barrel formula structure roll, adopted the bucket open frame of the rectangular structure in a kind of cross section, the common integral cast of this frame forms, ton surplus in the of 50 weighs, the shortcoming of this frame at first is bulky, heavy, machined difficulty, transportation inconvenience.Next is the in use whole stressed skewness weighing apparatus of frame, thereby is easy at work produce vibrations, in order to keep its stability in the course of the work, has also just approved the bulkiness and the weight of described frame.In the last hundred years, how to reduce overall weight and the volume of wearing the machine frame, to make things convenient for machined be one of target of laying siege to of people with using always.
At above-mentioned deficiency and roll shape and space the defective that the aspect exists is set, the cone mill of having invented after second class is improved also claims the cone-type piercer machine.This cone-type piercer machine is for the inconvenience in the heaviness that overcomes the Man frame, the huge manufacturing that brings and adapt to the more needs of large-scale punching machine group, it has adopted the mainframe that is constituted by top cover and lower bottom/support in the selection of frame, be called open top roll housing, all adopted the frame of combinations thereof formula structure as Chinese patent 90105178 disclosed " the horizontal hot-rolled pipe punch of two rollers of dynamic equilibrium " and Chinese patent 00119074 disclosed " two roller heavy caliber cone mills of dynamic equilibrium ".This what be called open top roll housing is the punch frame that is combined by welded upper-cover and lower support, has the slope seam that ramp angles is the 10-15 degree at the interface interface of frame, to guarantee the frame located lateral; In the longitudinal interface both sides bicylindrical pin is arranged, be used to guarantee the stands longitudinal location; Upper-cover adopts hinged four groups of duplex pull rods on lower support with being connected of lower support, with the upper-cover wedging, make open top roll housing approach closed type structure with ingot drift group, advantage is the integral rigidity that has improved frame, big part operations such as roll are made, are transported and change in convenient processing.The deficiency of this combined frame is; Because adopt Welding Structure, thereby, its integral rigidity deficiency, the wall thickness and the volume that must increase frame remedy its intensity and stable deficiency.Secondly, the roll of this punch is horizontally disposed with, upper and lower guide plate supporter is installed in respectively on upper-cover and the lower support, make upper-cover bear heavier pressure and the vibrations of high strength in the course of the work, therefore, cause also that frame is whole must to keep thick and heavy stationarity and reliability when guaranteeing work, and another problem that causes thus is the upper-cover inconvenience of uncapping when changing roll, lose time, reduce operating efficiency.The 3rd, existing various punch frames have all adopted rectangular configuration from cross section, and this structure is the radial force skewness when work, and stress is concentrated relatively at the angle of cut place on two limits.The 4th, this open top roll housing and be that the general layout of the various members of core does not break through the conventional model that each functional part of Man frame is provided with this frame, some large-scale functional parts all are arranged on frame inside such as guide plate and adjusting device thereof, thereby this frame itself is difficult to reduce effectively overall weight and reduces volume.
More than the reason of four aspects, caused existing punch frame on volume and weight, to be difficult to reduce largely.
Chinese patent 97207630 disclosed " a kind of cone mill ".This machine adopts a whole frame, has cancelled cover and corresponding wedging oil cylinder and taken off covering oil cylinder, and screwdown gear is tilted to be installed on the frame.During punch work, screwdown gear, pressuring upper device stretch out screw mandrel respectively pushes down top and bottom rolls, and bears roll-force.When changing roll, screwdown gear, the pressuring upper device screw mandrel of withdrawing respectively just can hang out roll.Though this punch structure is simple, only depress, press mechanism and be difficult to effectively compress roll by screw mandrel with upper and lower each two that are provided with respectively, especially more inapplicable for large-sized rolling mills.
Summary of the invention
The present invention has overcome above-mentioned the deficiencies in the prior art, designed a kind of NEW CONIC PIERCING MILL, it needn't possess the bulkiness and the weight of graceful formula punch frame, also needn't adopt the combining structure of thick and heavy welding cover/seat, adopt overall structure to manufacture and processing, its compact conformation, volume is less, can realize high-quality and high efficiency hot-puncturing process.
Cone-type piercer machine of the present invention includes frame, in the top and the bottom of frame loam cake and base is arranged respectively; Place two rotary drums in the frame and be installed in two rolls on the described rotary drum respectively; Guide plate and adjusting device thereof, described frame are to be the cylinder of circle by the cross section that the low bulk metal integral is cast into.
Described cone-type piercer machine, its centering guide adjusting device integral body is placed in the frame outside, and is locked on the frame with wedge.Guide plate is handled horizontally disposed spiral lift with respect to the distance of center line by a motor and is regulated.
The guide plate retaining mechanism of above-mentioned cone-type piercer machine is placed in the frame outside.
The feed angle of described cone-type piercer machine roll is to adjust by upper and lower two eccentrics that are installed in frame one side.
Cone-type piercer machine of the present invention is owing to adopted the integral cast frame of cylindrical structure, according to geometry principle, same volume moulding, cylindrical structure uses material minimum, according to measuring and calculating, frame weight of the present invention have only prior art square frame weight 1/3rd to 1/5th.And the more important thing is that the frame integral rigidity strengthens, stressed more reasonable during the perforation operation, particularly radial force is even, does not have stress concentration point.
Guide plate adjusting device integral body is placed in the frame outside, has significantly reduced taking of frame internal volume, also made things convenient for the adjustment of guide plate.And, will make the replacing parts more convenient because the parts that have more need often to change in guide plate and the adjusting device thereof adopt above-mentioned layout.The guide plate retaining mechanism is placed in the frame outside, when changing guide plate, is very beneficial for manually-operated, and installs very convenient.Avoid changing in the prior art guide plate fully and must open loaded down with trivial details operation and the temporal waste that upper-cover is operated.
Below in conjunction with accompanying drawing the present invention is described in detail.
Description of drawings
Fig. 1 is a cone-type piercer machine cylinder frame front view
Fig. 2 is the cylinder frame plan
Fig. 3 is a cylinder frame B-B view shown in Figure 1
Fig. 4 is a cone-type piercer machine rack front view of the present invention
Fig. 5 is Fig. 4 cone-type piercer machine assembling C-C view
Fig. 6 is Fig. 4 cone-type piercer machine assembling A-A view
1-frame 2-hollow forging exports on the 3-wedge keeper 4-loam cake 5-reinforcement 6-base 7-frame along adjusting rotary drum 24-eccentric mounting 25-eccentric shaft under the upper rotary drum 23-of motor 19-spiral lift 20-topping roll 21-bottom roll 22-along the right guide plate arrangement 17 guide plate wedge locking device 18-of the left guide plate arrangement 16-of the right guide plate entrance of the left guide plate mouth of 9-universal-joint spindle entrance 10-11-blank entrance 12-13-screwdown gear 14-pressuring upper device 15-under the 8-frame among the figure
The specific embodiment
Frame 1 with reference to Fig. 1-3 cone-type piercer machine of the present invention is a cylindrical shape, is formed such as cast steel 35 or similar material integral cast by the low bulk metal.Upper and lower two outers 7,8 of frame 1 are provided with wedge keeper 3, are used for fixing with loam cake 4 and base 6.At the cylinder frame inner wall reinforcement 5 is arranged, be provided with various function openings, enter the mouth 9 as the universal-joint spindle that power is provided for roll at the side of cylinder frame 1 different parts, left guide plate mouth 10, right guide plate mouth 12, by strip plate spare inlet 11, hollow forging outlet 2 etc.
Fig. 4-the 6th, cone-type piercer machine rack figure, a cover 4 is arranged at the top of the frame of cylinder shown in the figure 1, and the two is by wedge keeper 3 lockings of cover pull bar and frame upper edge.Base 6 is locked by the same manner with frame.Screwdown gear 13 and pressuring upper device 14 are housed respectively on cover 4 and support 6.Cover 4 can be opened, and during roll change, the frame 1 of upper and lower roll after opening cover is hung out suitable for reading successively.A left side guide plate 15, right guide plate 16 respectively with left guide plate mouth 10 and the corresponding installation in right guide plate mouth 12 positions.Guide plate shown in the figure and adjusting device thereof are horizontally disposed with, and its critical piece all is positioned at the outside of cylinder frame 1, are locked at the outside of cylinder frame 1 by guide plate wedge locking device 17.Described wedge locking device 17 is arranged on the outside of frame 1 equally, so is provided with, and can save main inner space of stopping frame greatly.Adjust motor 18 and by the spiral lift 19 of its driving in order to regulate the horizontal displacement of left and right guide plate 15,16, also be the distance of guide plate with respect to center line.
Two work rolls 20,21 and roll chock (indicating among the figure) are designed to one last, and another is down, and each roll drives respectively by universal-joint spindle and reductor by motor.Motor, reductor and rolling centerline at angle, roll-force is delivered on the punch frame by screwdown gear 13, pressuring upper device 14 because the frame cross section be circular, frame is stressed even in radial direction, thereby the frame integral rigidity is better.Roll 20,21 is regulated by screwdown gear 13 and pressuring upper device 14 equally with respect to the adjusting of pass center line.Described topping roll 20, bottom roll 21 are installed in respectively on rotary drum 22 and following rotary drum 23 devices.Roll 20,21 feed angles are adjusted by upper and lower rotary drum reclining apparatus respectively, upper and lower rotary drum reclining apparatus of the present invention is an eccentric, constitute by an eccentric mounting 24 and eccentric shaft 25, be positioned at the outside of frame, all can operate by wrench or motor.During work, upper and lower rotary drum in frame, guarantees that roll keeps dynamically no gap by hydraulic locking cylinder in the operation of rolling, and the balance of upper and lower rotary drum is being adjusted on the screw mandrel by the hydraulic cylinder tension.
From the above mentioned, cone-type piercer machine of the present invention, because the critical piece and the wedge locking device of guide plate arrangement are arranged on the frame outside, can reduce frame inside and take up room, making only needs less frame volume can bear the inside setting that the huge frame of original palpus just can be born.Reducing of frame volume, also made things convenient for the manufacturing of frame thereupon, if select diameter 600mm for use, the roll of length 500mm, stroke is 100mm, presses the square frame design, its length is respectively 2.5 * 2.7 * 3 meters, founding materials weight needs more than 50 tons, and the palpus split casting welds and machined then.And frame of the present invention, height 2015mm, diameter 1065mm only needs 10 tons of founding materialses to get final product.Thereby it can finish in the Integratively casting, directly goes to bed and carries out machined, can guarantee machining accuracy.Operating efficiency significantly improves.
Claims (4)
1, a kind of cone-type piercer machine includes frame (1), in the top and the bottom of frame a loam cake (4) and base (6) is arranged respectively; Place two rotary drums (22), (23) in the frame (1) and be installed in two rolls (20), (21) on the described rotary drum respectively; Guide plate (15), (16) and adjusting device thereof is characterized in that described frame (1) is is the cylinder of circle by the cross section that the low bulk metal integral is cast into.
2, according to the cone-type piercer machine of claim 1, it is characterized in that described guide plate adjusting device integral body is placed in frame (1) outside, and be locked on the frame (1) with wedge (17), guide plate (15), (16) are handled horizontally disposed spiral lift (19) with respect to the distance of center line by an adjustment motor (18) and are regulated.
3,, it is characterized in that described guide plate retaining mechanism is placed in the frame outside according to the cone-type piercer machine of claim 2.
4, according to claim 1,2 or 3 cone-type piercer machine, it is characterized in that the feed angle of described roll (20), (21) is adjusted by upper and lower two eccentrics that are installed in frame one side respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112106 CN1201879C (en) | 2003-04-04 | 2003-04-04 | Conic perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03112106 CN1201879C (en) | 2003-04-04 | 2003-04-04 | Conic perforator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1440841A CN1440841A (en) | 2003-09-10 |
| CN1201879C true CN1201879C (en) | 2005-05-18 |
Family
ID=27770333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03112106 Expired - Fee Related CN1201879C (en) | 2003-04-04 | 2003-04-04 | Conic perforator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1201879C (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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172625B (en) * | 2011-01-30 | 2013-06-26 | 太原科技大学 | Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof |
| DE102017221126A1 (en) * | 2017-11-27 | 2019-05-29 | Sms Group Gmbh | rolling mill |
-
2003
- 2003-04-04 CN CN 03112106 patent/CN1201879C/en not_active Expired - Fee Related
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 |
|---|---|
| CN1440841A (en) | 2003-09-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050518 |