CN2422073Y - Rolling pipe expander - Google Patents
Rolling pipe expander Download PDFInfo
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- CN2422073Y CN2422073Y CN 00213796 CN00213796U CN2422073Y CN 2422073 Y CN2422073 Y CN 2422073Y CN 00213796 CN00213796 CN 00213796 CN 00213796 U CN00213796 U CN 00213796U CN 2422073 Y CN2422073 Y CN 2422073Y
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Abstract
The utility model discloses a rolling pipe expander belonging to a rolling device of a metallic pipe, which is composed of an inner deformed tool, a positioning movable device 100 of the inner deformed tool, a material conveying device 200, an outer deformed tool, and the positioning guiding device 300 of the outer deformed tool, a main gearing 400, and a discharge device 500. The utility model is characterized in that a top head handling device 600 is additionally arranged; the inner deformed tool 101 is a core rod or a top head. The outer deformed tool and the positioning guiding device 300 thereof correspond to the core rod or the top head. A movable positioning device 700 is arranged to cause the main gearing 400 to move and position. The utility model is characteristics of double uses for pipe rolling and pipe expanding, simple structure, and low cost, and the specification and range of the section metal pipe can be increased.
Description
The utility model relates to a kind of equipment of drawn and rolled tube, a kind of Rolling pipe expander of saying so more specifically.
In steel pipe's production, two rollers (oblique milling) pipe mill is a kind of rolling equipment relatively more commonly used.Fig. 1, Fig. 2 are the principle schematic of two rollers (oblique milling) pipe mill, and their warp tool is made up of roll 301a, godet 302b and plug 101a.Their feature is, the bacterium formula that is shaped as (as the ACCU-ROLL pipe mill) of roll 301a or bucket formula (diescher elongator), the axis of roll 301a in the horizontal plane of roll line projection and the angle of roll line be β, this angle is called the roll off angle, generally 0～12 ° of fluctuation (the roll off angle of diescher elongator is 0 °), the axis of roll 301a is α at the angle of roll line vertical plane inner projection and roll line, and this angle is called advancing angle, generally 5～15 ° of fluctuations.Roll 301a is an initiatively warp tool, and it drives the rotation of steel pipe and advances.Being shaped as of godet is discoid, and it is circular-arc that its working face is spill, and its effect is closed type and the transversely deforming that limits steel pipe, controls the external diameter of steel pipe to a certain extent.Plug 101a is a kind of internal strain instrument, and it and roll 301a form the gap, make steel pipe subtract wall.This two rollers (oblique milling) pipe mill possesses following process characteristic:
1. the vary in diameter amount of steel pipe (rolling front and back relatively) is in ± 5～10% scope;
2. the wall thickness reducing amount of steel pipe is 1.5～7mm
3. the lengthening coefficient of steel pipe is about 1.1～2.5, and maximum can reach 3;
Two rollers (oblique milling) pipe expander is a kind of rolling equipment that new development is got up in the steel pipe's production in recent years.According to the data introduction, this equipment has four in the world, and wherein one of U.S. Lorain USS/Kobe steel mill, two in Czech Huo Mutuofu factory, Italian Da Erming factory are one.Fig. 3, Fig. 4 are the principle schematic of two-roller skew-rolling pipe expander, and its warp tool is made up of disc type roll 301b, guide plate 302b and top 101b.It is characterized in that disc type roll 301b is shaped as plate-like, the axis of disc type roll 4 in the roll line horizontal plane projection and the angle of roll line be β, this angle is called the roll off angle, generally fluctuation about 60 °.The axis of its work roll 301b in the roll line vertical plane projection and the angle of roll line be α, this angle is called advancing angle, generally 5～15 ° of fluctuations.Roll 301b is an initiatively warp tool, and it drives the rotation of steel pipe and advances.Guide plate 302b fixes, and its working face is the concavity circular arc, and its effect is closed type and the transversely deforming that limits steel pipe, controls the external diameter of steel pipe to a certain extent.Top 101b is a kind of internal strain instrument, is like coniform, and its effect is to form roll gap with the roll roll surface, carries out steel pipe and subtracts wall.This two rollers (oblique milling) pipe expander possesses following process characteristic:
1. the vary in diameter amount of steel pipe is in 30～50% scopes, and maximum can reach 80%;
2. the wall thickness reducing amount of steel pipe is 1.5～7mm;
3. the lengthening coefficient of steel pipe is about 1.0～1.1;
Above-mentioned two kinds of drawn and rolled tube equipment all are comparative maturities in theory and practice, all are applied in the industrial production.And install and use respectively at home and abroad on two kinds of dissimilar pipe production lines, form two kinds of different production technologies: a kind of be two rollers (oblique milling) pipe mill subtract the big extension of wall, steel pipe is rolled length, (precedingly narrated and that the external diameter of steel pipe changes is little, the vary in diameter amount of steel pipe only is ± 5～10%), we claim that this technology is " tube rolling " technology; Another kind be two rollers (oblique milling) pipe expander subtract the big hole enlargement of wall, outer diameter of steel pipes is enlarged, and the length of steel pipe after rolling before rolling almost constant (preceding narrated, the lengthening coefficient of steel pipe is 1.0～1.1), we claim that this technology is " expander " technology.The range of product size of the two is as follows:
For two rollers (oblique milling) pipe mill:
The Φ 180mm unit of domestic certain factory, its rolling back specification limit is designed to Φ 168～219mm
The Φ 114mm unit of domestic certain factory, its rolling back specification limit is designed to Φ 63～159mm;
For two rollers (oblique milling) pipe expander:
The Φ 711.2mm unit of Italy Da Erming factory, its range of product size is Φ 431.8～711.2mm
Analysis is found out: top two kinds of equipment are applied on the different pipe production lines of country variant, different factories, and the narrow shortcoming of product scope is all arranged.In order to solve the narrow problem of product scope, have now when 1. a solution promptly enlarges range of product size on a pipe production line, behind two rollers (oblique milling) pipe mill, increase a corresponding specification pipe expander, so, the range of product size of this pipe production line will increase greatly.Yet the other problem that its produces is: the investment of this pipe production line also increases greatly, and rolling production cost raises because of many one expander operations.
Analyze also and find, the technology of above-mentioned two kinds of drawn and rolled tube equipment, equipment characteristic (comprise deformation parameter when rolling, power can parameter etc.) be very close.So we make a kind of expander equipment that rolls with these two kinds of drawn and rolled tube equipment at imagination, by changing its roll shape and pass parameter, make it possess the ability of two kinds of rolling equipments.
The purpose of this utility model just provides a kind of Rolling pipe expander.This Rolling pipe expander can satisfy technology, the equipment characteristic of above-mentioned two kinds of rolling equipments, possesses above-mentioned two kinds " tube rollings ", " expander " technology ability, and its range of product size is very wide.
The purpose of this utility model reaches by the following technical programs.This Rolling pipe expander by internal strain instrument and location mobile device 100 thereof, is picked materials device 200, outer warp tool and positioning and guiding adjusting device 300, and main drive 400, drawing mechanism 500, top handler 600 is formed, and its special character is:
In internal strain instrument and location mobile device 100, set up a kind of replaceable existing internal strain instrument, drive the internal strain instrument of dolly, drive the dolly and the frame 106 of locking a door, the internal strain instrument of setting up is made up of top support stick 103b and coupled top 101b, top support stick 103b links to each other with the head of top 101b, the driving dolly of setting up is top dolly 102b, an inclined-plane 102b-5 is established in the upper left corner at top dolly 102b, the frame of setting up 106 of locking a door is the framves of locking a door of locking top dolly 102b, and this frame of locking a door is fixed on the end of internal strain instrument and location mobile device 100;
Set up outer warp tool and the positioning and guiding adjusting device that is complementary with the above-mentioned internal strain instrument of setting up outside in warp tool and the positioning and guiding adjusting device 300, the outer warp tool of setting up and the outer warp tool of positioning and guiding adjusting device are, disc type roll 301b and the second rotary drum 305b that fixes this disc type roll, the positioning and guiding adjusting device is the upper guide plate frame 309 that can be installed in respectively on guider 303, the following guider 304, bottom guide frame 310 and guide plate 302b;
Between main drive 400 and drawing mechanism 500, set up top handler 600;
If a moving positioning device 700 that main drive 400 is moved and locate, this moving positioning device make main drive 400 can suit to drive roll 301a or disc type roll 301b.
Described top handler 600 is by holding the rotating disk 606 that comes directly towards 101b, drive this rotating disk motor rotating 603, reduction box 604, driving-chain 605, can locate the push and block plate 602 of top 101b, control the hydraulic pushing device 601 of this push and block plate action, the supporter 607 of clamping top supporting rod 103 is formed.The inwall of described top 101b is provided with annular ditch groove, and top supporting rod 103b head is provided with radial hole, and steel ball 110 is housed in the hole, and this steel ball radially hole moves, but can not break away from radial hole.In the cavity of top support stick 103b a throw-out lever 102b-2 is arranged, the head of this throw-out lever is thick than bar portion.
Described moving positioning device 700 is by the guide bracket 701 that supports main drive power transmission shaft 402, support main speed reduction box 403, the circular arc slide 710 of main motor 404, be fixed on the guide rail 706 on the circular arc slide, be connected main speed reduction box 403, the gripper shoe 709 of main motor at 404 ends, two gathering sills are arranged on this gripper shoe, have corresponding on the circular arc slide with two gathering sills and with the hollow strip projection of gathering sill matched in clearance, be positioned at the lowering or hoisting gear 708 on two grooves of this gripper shoe, be connected the hook 712 of gripper shoe at 709 ends, drive main speed reduction box 403, the motor 702 that main motor 404 moves, reduction box 703, runner 704, passive runner 707 and steel wire rope 705 are formed.
Since technical solution of the present utility model provide a kind of can " tube rolling " again can " expander " rolling equipment, this equipment must possess two kinds of functions of " tube rolling " and " expander " so.Realize this two kinds of functions, the structure that corresponding parts must be arranged and each parts organically is combined as a whole, and this combination is not the simple combination of existing pipe mill, pipe expander, but make full use of its common ground, make that structure is as far as possible simple, volume is little, cost is low.Simultaneously, must keep the distinctive points that they can not be shared again.The common sparing of tube rolling and expander is to pick materials device 200, main drive 400, drawing mechanism 500, moving positioning device 700.The effect of picking materials device 200 is to be used for picking rolling preceding hollow billet.The effect of main drive 400 is the rotations that drive outer warp tool.The effect of drawing mechanism 500 is that steel pipe rolling or that expand after making is transferred out.The effect of moving positioning device 700 is to make main drive 400 can suit to drive roll 301a or disc type roll 301b.Because when " tube rolling ", the roll off angle of roll 301a is 0～12 °, and during expander, the roll off angle of disc type roll 301b is about 60 °, and then the roll off angle of this TV station equipment is between 0～60 °.Therefore, in order to make main drive can drive the roll off angle is 0～12 ° roll 301a, can drive the roll off angle again and be the disc type roll 301b about 60 °, and main drive 400 can be moved and locate, like this, just need set up a moving positioning device 700.The structure of moving positioning device can be simple, also can be complicated, and this can design as required.When simple, utilize the crane of factory, on the working face that main drive is set, be fixed with bolt simultaneously, when treating that main drive moved to desired location, get final product with the bolting main drive." tube rolling " and " expander " some shared parts are internal strain instrument and location mobile device 100, outer warp tool and positioning and guiding adjusting device 300 thereof; In internal strain instrument and location mobile device 100 thereof, their common sparing is, the locating guide device of internal strain instrument, driving mechanism, different piece is internal strain instrument and support stick thereof, the driving dolly and the positioner thereof of internal strain instrument: when " tube rolling ", the internal strain instrument is a plug, and the length of its support stick is shorter; Drive the suitable plug that drives of dolly, driving dolly does not have positioner; When " expander ", the internal strain instrument is the top, and its support stick length is longer, and the length that this support stick adds top end equals the length that plug adds its support stick; Drive dolly and be the suitable dolly that drives top and support stick, and this dolly is through the frame location of locking a door.In warp tool and the positioning and guiding adjusting device 300, their common ground is upper and lower guider, the mounting bracket of rotary drum outside.Difference is outer warp tool and rotary drum thereof, saddle: when being plug for the internal strain instrument, outer warp tool is that its corresponding roll off angle is 0～12 ° roll 301a, as shown in Figure 1, saddle is the godet frame, and rotary drum is the suitable first rotary drum 305a that roll 301a is installed; Be when top for the internal strain instrument, outer warp tool can be the disc type roll 301b at about 60 ° at the roll off angle that adapts with it, and as shown in Figure 3, saddle is the guide plate frame, and rotary drum is the suitable second rotary drum 305b that roll 301b is installed.Also can be that the roll off angle is 0～12 ° roll 301a, saddle be godet frame such as Fig. 1, Fig. 9, shown in Figure 10, and the pipe that at this moment is rolled had both carried out expander, had carried out tube rolling again.The different piece of " tube rolling " and " expander " is, corresponding " expander " or correspondence are not only when expander but also tube rolling, top handler 600 is arranged, its effect is that when " expander " or expansion tube rolling, loading and unloading at any time come directly towards, can utilize existing top handler, also can design the top handler of new structure form, and when rolling, then not need to come directly towards handler 600.
Because the utility model has made full use of the common sparing of existing pipe mill and pipe expander, set up the device that makes main drive running fix, different piece can be changed easily, make it compared with prior art, possessed the characteristics of two rollers (oblique milling) pipe mill and two drawn and rolled tube equipment of two rollers (oblique milling) pipe expander.Can " tube rolling ", again can " expander ", make rolling scope improve 2～3 times, and structure is simpler, cost is low.
The explanation of accompanying drawing drawing:
Fig. 1---existing two rollers (oblique milling) pipe mill principle schematic;
The left view of Fig. 2---Fig. 1;
Fig. 3---existing two rollers (oblique milling) pipe expander principle schematic;
The left view of Fig. 4---Fig. 3;
Fig. 5---the structural representation of a kind of Rolling pipe expander of the utility model;
Fig. 6---among Fig. 5, the structural representation of outer warp tool and positioning and guiding adjusting device 300 thereof;
Fig. 7---among Fig. 5, first kind of rotary drum 305a of outer warp tool and positioning and guiding adjusting device 300 thereof and the installation diagram of roll 301a;
Fig. 8---among Fig. 5, second kind of rotary drum 305b of outer warp tool and positioning and guiding adjusting device 300 thereof and the installation diagram of disc type roll 301b;
Fig. 9---among Fig. 5, a kind of structural representation of going up godet frame 307 of outer warp tool and positioning and guiding adjusting device 300 thereof;
Figure 10---among Fig. 5, a kind of structural representation of godet frame 308 down of outer warp tool and positioning and guiding adjusting device 300 thereof;
Figure 11---among Fig. 5, the structural representation of a kind of upper guide plate frame 309 of outer warp tool and positioning and guiding adjusting device 300 thereof;
Figure 12---among Fig. 5, the structural representation of a kind of bottom guide frame 310 of outer warp tool and positioning and guiding adjusting device 300 thereof;
Figure 13---the front view of existing ACCU-ROLL pipe mill main drive structural representation;
The attached view of Figure 14---Figure 13;
Figure 15---the syndeton schematic diagram of main drive 400 and moving positioning device 700 among Fig. 5;
Figure 16---the A-A cutaway view at place, main speed reduction box 403 positions among Figure 15;
Figure 17---a kind of structural representation of lowering or hoisting gear 708 locking main speed reduction boxs 403 among Figure 16;
Figure 18---lowering or hoisting gear 708 unclamps a kind of structural representation of main speed reduction box 403 among Figure 16;
Figure 19---the runner 704 of moving positioning device 700 moves the schematic diagram of main speed reduction box among Fig. 5 by steel wire rope;
Figure 20---the syndeton schematic diagram of guide bracket 701 and back-up block 714 among Fig. 5;
The side view of Figure 21---Figure 20;
The A-A part sectioned view of Figure 22---Figure 20;
Figure 23---the internal strain instrument among Fig. 5 and a kind of structural representation of location mobile device 100 thereof;
Figure 24---a kind of structural representation of the frame 106 of locking a door among Fig. 5;
Figure 25---the internal strain instrument among Fig. 5 and a kind of structural representation of the mandrel trolley 102a in the mobile device 100 of location thereof;
A kind of structural representation of top dolly 102b in Figure 26---internal strain instrument among Fig. 5 and the location mobile device 100 thereof;
Figure 27---a kind of structural representation of top handler 600 among Fig. 5;
Figure 28---among Fig. 5 the internal strain instrument and the location mobile device 100 in the support stick leading section with the top 101b a kind of assembly relation schematic diagram;
The A-A profile of Figure 29---Figure 28;
Figure 30---the left view of hydraulic pressure push and block top device 601 among Figure 27;
Figure 31---the structural representation of Figure 27 turntable 606;
Figure 32---the structural representation of clamper 607 among Figure 27;
Provide embodiment of the present utility model below in conjunction with accompanying drawing, be used for further specifying technical solution.
Embodiment, with reference to figure 1～Figure 32, this Rolling pipe expander is formed through improvement by an existing Φ 114mm ACCU-ROLL pipe mill.
Existing Φ 114mm ACCU-ROLL pipe mill, its deformation principle figure such as Fig. 1 and Fig. 2, its roll off angle β=5～12 °, advancing angle α=5～15 °.Range of product size is 63～159mm, by this milling train being improved by above technical scheme, become a kind of Rolling pipe expander of the utility model after, this Rolling pipe expander can possess the ability to work of two kinds of rolling equipments, its main technological features reaches:
A, roll off angle β=0～60 ° can adjust flexibly;
B, diameter of steel tube deflection are adjusted in-5～80% scope.
Narrate respectively below and become feature and the technological process that a kind of Rolling pipe expander of the present utility model is carried out " tube rolling " and " expander " technology through the improvement of ACCU-ROLL pipe mill:
When one, carrying out " tube rolling " technology, the deformation principle of milling train such as Fig. 1 and Fig. 2, just the same with the technological process of existing ACCU-ROLL pipe mill.
The complete machine structure schematic diagram, as shown in Figure 5.Its internal strain instrument and location mobile device 100, pick materials device 200, outer warp tool and positioning and guiding adjusting device 300, main drive 400, the structure of the structure of drawing mechanism 500 and existing ACCU-ROLL pipe mill is basic identical, difference is, the fixed form of main drive 400 does not adopt Figure 13, fixed form shown in Figure 14.In the fixed form of Figure 13, Figure 14, main speed reduction box 403, main motor 404 are by being bolted on the seat of basis.The bottom of 402 and the cardan axis 401 of final drive shaft does not have support member.But adopted fixed form shown in Figure 5, and in Fig. 5, the structure of main drive 400 and Figure 13, structure shown in Figure 14 are identical, and fixed form has been passed through a moving positioning device 700.The structure of this moving positioning device 700 also will be with reference to Figure 15～Figure 22 except with reference to the figure 5.It is by the guide bracket 701 that supports final drive shaft 402, drive the motor 702 that main drive 400 moves, reduction box 703, runner 704, steel wire rope 705, passive runner 707 supports main motor 404, and the lowering or hoisting gear 708 of the guide rail 706 of main speed reduction box 403 and the main motor 404 of locking, main speed reduction box 403 is formed.Found out that by Fig. 5 and Figure 15 motor 702 drives 704, two runners of two runners by steel wire rope 705 and main motor 404 by reduction box 703, main speed reduction box 403 links to each other with two that are positioned at guide rail 706 other ends passive runners 707.Main motor 404, main speed reduction box 403 can be with reference to Figure 16 with the annexation of moving positioning device 700, and Figure 16 is the A-A profile of Figure 15, mainly represented the annexation of main speed reduction box 403 with moving positioning device 700.The annexation of main motor 404 and moving positioning device 700 and locking, moving process are identical with it.In Figure 16, main speed reduction box 403 has two grooves that Open Side Down by being bolted on the gripper shoe 709 on this gripper shoe, corresponding each groove has a lowering or hoisting gear 708, the bottom of this gripper shoe is a fixedly connected hook 712, the bottom of this hook is positioned at groove 711.Circular arc slide 710 is fixed on the ground, two strip cavity projections that are connected as a single entity with it are arranged at its top, two strip cavity projections are positioned at two grooves of gripper shoe, and on the upper wall of bar shaped cavity projection, have notch, have the parts of lowering or hoisting gear 708 in its cavity, guide rail 706 is connected as a single entity with circular arc slide 710.Annexation between lowering or hoisting gear 708 and circular arc slide 710, the gripper shoe 709 such as Figure 16, Figure 17, shown in Figure 180.Figure 17 has represented the state of lowering or hoisting gear 708 locking main speed reduction boxs 403, and Figure 18 has represented that lowering or hoisting gear 708 unclamps the state of main speed reduction box 403.Found out that by Figure 17 lowering or hoisting gear 708 is by hydraulic cylinder 708a, coupled wheel hub 708b is fixed on the runner 708c composition on the wheel hub.Wheel hub 708b and runner 708c are positioned at the projection cavity of circular arc slide 710.At this moment, hydraulic cylinder 708a action, wheel hub 708b promotes, and makes runner 708c leave guide rail 706, and gripper shoe 709 and circular arc slide 710 are tightly combined, thereby reached the purpose that main speed reduction box 403 or main motor 404 tightly are fixed on a position on the circular arc slide 710.In the configuration state that Figure 18 represents, hydraulic cylinder 708a action, wheel hub 708b descends, and runner 708c is fallen on the guide rail 706, at this moment motor 702, reduction box 703 just can move main speed reduction box 403, main motor 404 by runner 704 and steel wire rope 705 pulling hooks 712 on guide rail 706.Annexation between runner 704, passive runner 707, steel wire rope 705 and the hook 712 as shown in figure 19.When main speed reduction box, main motor moved on guide rail 706, final drive shaft 402 slided on guide bracket 701, the universal joint 401 of final drive shaft 402 and the annexation of guide bracket 701 such as Figure 20～and shown in Figure 22.Universal joint 401 is connected on the back-up block 714.Be provided with chute 713 on guide bracket 701, back-up block 714 upper surfaces are concave surface, and the bottom has steel ball 715, and back-up block 714 slides by the chute 713 of steel ball 715 along guide bracket 701.The process that main drive 400 is moved under moving positioning device 700 drives as shown in figure 15.The solid line part, the position of expression main drive 400 before moving, dotted portion, the position after expression main drive 400 moves.
Structure such as Fig. 5, shown in Figure 23 of its internal strain instrument and location mobile device 100 thereof.Its internal strain instrument is plug 101a, and support stick 103 is plug support stick 103a, and the location mobile device comprises tooth bar case slideway 107, motor 104, reduction box 105, gear 108, tooth bar case 109 and mandrel trolley 102a.The structure of this mandrel trolley as shown in figure 25, it is by dolly axle 102a-1, car body 102a-2, motor 102a-3, belt conveyer 102a-4 forms, mandrel trolley 102a does under the drive of tooth bar case 109 and seesaws.Motor 102a-3 drives dolly axle 102a-1 by belt conveyer 102a-4 and rotates, so that in the off time of tube rolling process plug 101a is rotated cooling.
The structure of its outer warp tool and positioning and guiding adjusting device 300 such as Fig. 1, Fig. 2, Fig. 5, Fig. 6, Fig. 7, Fig. 9, shown in Figure 10.It comprises outer warp tool 301, steering tool 302, last guider 303, following guider 304, rotary drum 305, bolt 306, last godet frame 307, following godet frame 308, mainframe 311 and adjusting device.Outer warp tool 301 is roll 301a, as Fig. 1, Fig. 2, shown in Figure 7.Find out that by Fig. 7 rotary drum 305 is connected with roll 301a by bolt 306.Steering tool 302 is godet 302a.The annexation of last godet frame 307 and last guider 303, godet 302a as shown in Figure 9; The annexation of following godet frame 308 and following guider 304, godet 302a as shown in figure 10.
Its technological process is, with reference to figure 5.At first, according to rolling angle,, make it meet outer warp tool, the work of then starting shooting of driving by the position of moving positioning device 700 adjustment main drives.The hollow billet that comes from last process arrive be positioned at entrance side pick materials device 200, this is picked and embraces after materials device is located steel pipe, internal strain instrument and location mobile device 100, driving the outside warp tool of plug 101a advances, plug 101a extends through the steel pipe tube chamber, arrives in the rolling groove of roll 301a, picks materials device 200, with steel pipe rotation feeding milling train, carry out steel pipe rolling.Rolling finishing, steel pipe is sent milling train by the drawing mechanism 500 that is positioned at outlet side with steel pipe.At this moment, internal strain instrument and location mobile device 100 thereof drive plug 101a and return, and next steel pipe arrives picks materials device 200, and steel pipe rolling is carried out in circulation according to this.
Two, when carrying out " expander " technology, its deformation principle figure meets Fig. 3 and Fig. 4 etc., and it is different from above-described technology with ACCU-ROLL pipe mill tube rolling.
The structure principle chart of complete machine, as shown in Figure 5.It picks materials device 200 by internal strain instrument and location mobile device 100 thereof, outer warp tool and positioning and guiding adjusting device 300 thereof, and main drive 400, drawing mechanism 500, top handler 600 and moving positioning device 700 are formed.
The structure of internal strain instrument and location mobile device 100 thereof is with reference to figure 5, Figure 24, Figure 26～Figure 29.Here, internal strain instrument 101 shown in Figure 5 is top 101b shown in Figure 27, support stick 103 is top support stick 103b shown in Figure 27, this support stick is long than plug support stick 103a, with remedy top 101b than plug 101a shorten that part of, length sum after length sum after making the top support stick and top 101b being connected equals the plug support stick and plug 101a is connected is so that suitable being installed in internal strain instrument and the location mobile device 100 thereof.The structure of internal strain instrument and positioning adjustment device other parts is identical with structure shown in Figure 23.Come directly towards and come directly towards the connected mode that both is different from plug and plug support stick 103a that is connected of support stick 103b, also be different from the connected mode of existing support stick and top, in the prior art, the top support stick is to be connected with the afterbody of top.Here, top support stick 103b is connected with the head of top, and the mechanical type connection preferably of the structure of top support stick 103b head, the syndeton form between top support stick head and the top such as Figure 27～and shown in Figure 29.Be provided with throw-out lever 102b-2 in the cavity of top support stick 103b, the head chap of this throw-out lever, head is become by two round platforms and the cydariform that cylinder is formed, the head of top support stick 103b is provided with radial hole, have steel ball 110 in the hole, steel ball 110 both can touch with throw-out lever 102b head mutually by this hole, can touch mutually with top 101b again, on the inwall of top 101b, be provided with the annular ditch groove that can hold steel ball 110, can steel ball entered or shift out, when waiting to come directly towards support stick 103b like this and being connected as a single entity with top 101b, the top can only be rotated on the support stick in the top, but can not move forward and backward and break away from.The solid line of steel ball 110 shown in Figure 29 is represented the situation that it touches mutually in the support stick head radial hole of top and with the thin end of throw-out lever 102b-2, dotted line represents that then steel ball 110 parts are positioned at top inwall annular ditch groove another part and are positioned at the situation that comes directly towards the support stick radial hole.Dolly 102 shown in Figure 5 is top dolly 102b shown in Figure 26.Its structure is basic identical with existing top dolly, and distinctive points is, the inclined-plane 102b-5 on the dolly car body is opposite with present position, existing dolly car body inclined-plane, and this inclined-plane is positioned at the upper left corner that comes directly towards dolly 102b.This dolly is by dolly axle 102b-1, and throw-out lever 102b-2 drives hydraulic cylinder 102b-4 and car body 102b-3 composition that this throw-out lever moves forward and backward.Hydraulic cylinder 102b-4 reaches installation, unloads the purpose that comes directly towards 101b by throw-out lever 102b-2.Lock a door frame 106 structure as shown in figure 24, its effect is locking top dolly 102b so that make 101b location, top, its structure is identical with the structure that has the frame of locking a door now.It supports travelling carriage 106b by cylinder 106a, dead bolt 106c, and adjusting device 106d forms, and the effect of adjusting device 106d is that the position, top is finely tuned, to be located at rolling position accurately.The structure of outer warp tool and positioning and guiding adjusting device 300 such as Fig. 3～Fig. 6, Fig. 8, Figure 11, Figure 12, they are identical with the structure of the outer warp tool of prior art and positioning and guiding adjusting device 300.As shown in Figure 6, it is by outer warp tool 301, steering tool 302, last guider 303, following guider 304, rotary drum 305, bolt 306, compositions such as mainframe 311 and adjusting device.Outer warp tool 301 is Fig. 3, Fig. 4, disc type roll 301b shown in Figure 8, and this roll is the disc type roll, and the roll off angle is about 60 °, and advancing angle is 5～15 °.Disc type roll 301b and rotary drum 305 are fixedly installed on the mainframe shown in Figure 6 311.Steering tool 302 is guide plate 302b.Upper guide plate frame 309 and last guider 303, the annexation of guide plate 302b is as shown in figure 11; Bottom guide frame 310 and following guider 304, the annexation of guide plate 302b, as shown in figure 12.
The structure of top handler 600 such as Fig. 5, Figure 27, Figure 30～shown in Figure 32.Find out by Fig. 5, it outside between warp tool and positioning and guiding adjusting device 300 and the drawing mechanism 500.Its concrete structure such as Figure 27, Figure 30～shown in Figure 32.The structure of this top handler 600 unlike the prior art.It is by hydraulic pushing device 601, push and block plate 602, and motor 603, reduction box 604, driving-chain 605, rotating disk 606 and clamper 607 are formed.The effect of hydraulic pushing device 601 is to drive push and block plate 602 location top 101b, so that the top is installed on the support stick 103b of top, when top 101b is in running order, make the push and block plate leave the top again, the structure of hydraulic pushing device 601 is with reference to Figure 27 and Figure 30, it swings axle bed 601b by oscillating motor 601a, and swinging axle 601c and push and block hydraulic cylinder 601d form.The piston of oscillating motor 601a is fixedlyed connected with swinging axle 601c, and swinging axle 601c is fixedlyed connected with the shell of push and block hydraulic cylinder 601d by two connectors.Oscillating motor 601a makes push and block hydraulic cylinder 601d and push and block plate 602 leave or get back on the service aisle of top.The push and block hydraulic cylinder is used to control the move left and right of push and block plate, make its in the horizontal direction near or leave the top 101b.Motor 603 drives rotating disks 606 rotations by reduction box 604, driving-chain 605, so that make the top of unloading enter in it and make the top in it be positioned at its top, is used for installing the top.The effect of rotating disk 606 is exactly to hold the top, the top can be cooled off, so that recycle within it.Its concrete structure as shown in figure 31, it is by a guard shield 606a, be positioned at the runner 606b of guard shield, the circumference of this runner is provided with N (N 〉=2) spill platform, be used to hold the top, simultaneously on guard shield, also be provided with an entrance door 606c and an outlet portal 606d,, change new top so that reject the top that will damage.The concrete structure of clamper 607 shown in figure 32, it is closed up with open hydraulic cylinder 607a by two clamping limb 607b and jaw that two clamping limbs are formed and forms, this hydraulic cylinder is positioned at the force side of two clamping limbs.In use, be located, be used for clamping top support stick 103b, so that top 101b is installed in the operating position of setting.The operation principle of top handler is, when top 101b is installed, clamp top support stick 103b with clamper 607, starter motor 603, rotating disk 606 is rotated, wherein a top is delivered on the working face, by hydraulic pushing device 601 push and block plate 602 is contacted with top 101b, and make it be set to the head of top support stick 103b, at this moment the thin part of throw-out lever is touched (Figure 28) mutually with steel ball, and under the effect of hydraulic cylinder 102b-4 and throw-out lever 102b-2 (Figure 26), its thicker part position contacts with steel ball, steel ball 110 is pushed in the annular ditch groove of 101b inside, top, top and top support stick are connected as a single entity.When needs unload top 101b, still clamp top support stick 103b with clamper 607, the spill platform that makes rotating disk 606 not hold the top simultaneously is positioned on the working face, at this moment, throw-out lever 102b-2 is under the effect of hydraulic cylinder 102b-4, move in the opposite direction, the thicker part position of throw-out lever 102b-2 breaks away from steel ball 110.Under the effect of mandrel trolley 102b, the top support stick is retreated, because the barrier effect of clamper 607, top 101b is removed, thereby finishes the purpose that unloads top 101b.
The principle of " expander " is as follows.At first, according to the expander process characteristic, with the plug support stick 103a in internal strain instrument shown in Figure 23 and the location mobile device 100 thereof, plug 101a, mandrel trolley 102a among Figure 25 changes top support stick 103b successively, top 101b, top dolly 102b, enable the frame 106 of locking a door shown in Figure 24 simultaneously, with Fig. 1, Fig. 2, Fig. 7, Fig. 9, the roll 301a that is connected as a single entity with rotary drum 305 in outer warp tool shown in Figure 10 and the positioning and guiding adjusting device 300 thereof, godet 302a, last godet frame 307, following godet frame 308 changes Fig. 3 successively into, Fig. 4, disc type roll 301b shown in Figure 8 and rotary drum 305, Figure 11, guide plate 302b shown in Figure 12, upper guide plate frame 309, bottom guide frame 310.Enable top handler 600 simultaneously.Then, carry out " expander ".The steel pipe that comes from last process arrive be positioned at entrance side pick materials device 200, pick materials device and embrace after with the steel pipe location.Internal strain instrument and location mobile device 100 thereof drive top support stick 103b and extend through the steel pipe tube chamber, and the rolling groove of process disc type roll 301b, arrive top 101b apparatus for automatic change 600, come directly towards support stick 103b and be held device 607 and clamp this moment, promote top 101b under the effect of the push and block hydraulic cylinder 601d of push and block plate 602 in hydraulic pushing device 601, to come directly towards 101b is inserted on the support stick 103b of top, and by control throw-out lever the top is loaded onto, then, push and block plate 602 is return under the effect of push and block hydraulic cylinder 601d, and under the effect of oscillating motor 601a, push and block plate 602 and push and block hydraulic cylinder 601d are put, do not hinder steel pipe to pass through.Load onto the top support stick 103b of top 101b, under the effect of internal strain instrument and location mobile device 100 thereof, return back to predefined position.In entrance side was locked a door frame 106, cylinder 106a drove dead bolt 106c and accommodates, and will come directly towards dolly 102b pinning and fix, thereby the position of top 101b is also just fixing.After the fixed-site of top, be positioned at the pay-off 200 of entrance side, with steel pipe rotation feeding milling train, carry out steel pipe rolling, rolling finishing is positioned at the drawing mechanism 500 of steel pipe outlet side, and steel pipe is sent milling train.At this moment, cylinder 106a drives dead bolt 106c and puts, internal strain instrument and location mobile device 100 thereof drive the support stick 103b that top 101b is installed and move forward, arrive the top and change the position, support stick clamper 607 will come directly towards after support stick 103b clamps, internal strain instrument and location mobile device drive top support stick 103b and retreat, because the barrier effect of support stick clamper 607, top 101b is removed.Angle of rotating disk 606 rotations, the top 101b that firm work is finished rotates down, and another top 101b rotates up wait work.The top support stick 103b that unloads top 101b is under the drive of internal strain instrument and location mobile device, and rollback puts in place rapidly, and then, an other steel pipe arrives the entrance side steel pipe and picks materials device 200, carries out the rolling of next steel pipe, according to this circulation.
Three, not only carry out expander but also carry out tube rolling
When the steel pipe before rolling is carried out expander and tube rolling simultaneously, what internal strain instrument and location mobile device 100 thereof adopted is internal strain instrument and location mobile device thereof used in the above-mentioned expander technology, and corresponding outer warp tool and positioning and guiding adjusting device 300 are to adopt used outer warp tool and positioning and guiding adjusting device in the above-mentioned tube-rolling technique; The structure of other parts all adopts structure used in the expander technology to achieve the goal.Take the rolling equipment and the rolling mill practice of said structure form, can reach the purpose of steel pipe being carried out expander and tube rolling.
Because this milling train can realize " tube rolling " and " expander " technology, under the constant situation of former blank specification, its original external diameter specification limit is expanded into Φ 63～377mm by Φ 63～159mm, has expanded the specification limit of product greatly.
In like manner,, utilize existing top handler, also can provide embodiment of the present utility model according to the technical solution that the utility model provides.
In addition, a kind of Rolling pipe expander of the utility model, its outlet side also can be taked the pin-lift arrangement of existing Man punch, comprise the side discharging and bring out two kinds of devices of material, provide two other embodiment.
Claims (3)
1, a kind of Rolling pipe expander, it picks materials device (200) by internal strain instrument and location mobile device (100) thereof, outer warp tool and positioning and guiding adjusting device (300), main drive (400), drawing mechanism (500) is formed, it is characterized in that,
In internal strain instrument and location mobile device (100) thereof, set up a kind of replaceable existing internal strain instrument, drive the internal strain instrument of dolly, drive the dolly and the frame (106) of locking a door, the internal strain instrument of setting up has top support stick (103b) and coupled top (101b) to form, top support stick (103b) links to each other with top (101b) head, the driving dolly of setting up is a top dolly (102b), an inclined-plane (102b-5) is established in the upper left corner at top dolly (102b), the frame of setting up of locking a door (106) is the frame of locking a door of locking top dolly (102b), and this frame of locking a door is fixed on the end of internal strain instrument and location mobile device (100);
Set up outer warp tool and the positioning and guiding adjusting device that is complementary with the above-mentioned internal strain instrument of setting up in warp tool and the positioning and guiding adjusting device (300) outside, the outer warp tool of setting up and the outer warp tool of positioning and guiding adjusting device are, disc type roll (301b) and fix second rotary drum (305b) of this disc type roll, the positioning and guiding adjusting device is the upper guide plate frame (309) that can be installed in respectively on guider (303), the following guider (304), bottom guide frame (310) and guide plate (302b);
Between main drive (400) and drawing mechanism (500), set up top handler (600);
If a moving positioning device (700) that makes main drive (400) move and locate, this moving positioning device make main drive (400) can suit to drive roll (301a) or disc type roll (301b).
2, a kind of Rolling pipe expander according to claim 1, it is characterized in that, described top handler (600) is by the rotating disk that holds top (101b) (606), drive this rotating disk motor rotating (603), reduction box (604), driving-chain (605) can be located the push and block plate (602) of top (101b), the hydraulic pushing device (601) of control push and block plate action, the clamper (607) of clamping top support stick (103) is formed; The inwall of described top (101b) is provided with annular ditch groove, and top support stick (103b) head is provided with radial hole, and steel ball (110) is housed in the hole, in the cavity of top support stick (103b) throw-out lever (102b-2) is arranged, and the head of this throw-out lever is thick than bar portion.
3, Rolling pipe expander according to claim 1 and 2, it is characterized in that, described moving positioning device (700) is by the guide bracket (701) that supports main drive power transmission shaft (402), support main speed reduction box (403), the circular arc slide (710) of main motor (404), be fixed on the guide rail (706) on the circular arc slide, be connected main speed reduction box (403), the gripper shoe (709) of main motor (404) at the end, two gathering sills are arranged on this gripper shoe, have corresponding on the circular arc slide with two gathering sills and with the hollow strip projection of gathering sill matched in clearance, be positioned at the lowering or hoisting gear (708) on two grooves of this gripper shoe, be connected the hook (712) of gripper shoe (709) at the end, drive main speed reduction box (403), the motor (702) that main motor (404) moves, reduction box (703), runner (704), passive runner (707) and steel wire rope (705) are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00213796 CN2422073Y (en) | 2000-03-23 | 2000-03-23 | Rolling pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00213796 CN2422073Y (en) | 2000-03-23 | 2000-03-23 | Rolling pipe expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2422073Y true CN2422073Y (en) | 2001-03-07 |
Family
ID=33580025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00213796 Expired - Lifetime CN2422073Y (en) | 2000-03-23 | 2000-03-23 | Rolling pipe expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2422073Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567224A (en) * | 2012-08-07 | 2014-02-12 | 江苏天工钛业科技有限公司 | Novel two-roller oblique-rolling main machine |
| CN107803617A (en) * | 2017-11-07 | 2018-03-16 | 太原重工股份有限公司 | Seaming device and Prewelding machine |
| CN108889780A (en) * | 2018-07-18 | 2018-11-27 | 北京京诚之星科技开发有限公司 | The hot finished steel pipe of variable stagger-angle revolves expansion machine |
| CN109531980A (en) * | 2018-12-29 | 2019-03-29 | 天津中财型材有限责任公司 | A kind of expanding deformation tooling of plastic pipe |
-
2000
- 2000-03-23 CN CN 00213796 patent/CN2422073Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567224A (en) * | 2012-08-07 | 2014-02-12 | 江苏天工钛业科技有限公司 | Novel two-roller oblique-rolling main machine |
| CN103567224B (en) * | 2012-08-07 | 2015-09-16 | 江苏天工钛业科技有限公司 | A kind of novel two roller oblique milling main frames |
| CN107803617A (en) * | 2017-11-07 | 2018-03-16 | 太原重工股份有限公司 | Seaming device and Prewelding machine |
| CN108889780A (en) * | 2018-07-18 | 2018-11-27 | 北京京诚之星科技开发有限公司 | The hot finished steel pipe of variable stagger-angle revolves expansion machine |
| CN108889780B (en) * | 2018-07-18 | 2024-04-19 | 北京京诚瑞信长材工程技术有限公司 | Hot rolled steel pipe rotary expanding machine with variable staggered angle |
| CN109531980A (en) * | 2018-12-29 | 2019-03-29 | 天津中财型材有限责任公司 | A kind of expanding deformation tooling of plastic pipe |
| CN109531980B (en) * | 2018-12-29 | 2024-03-29 | 天津中财型材有限责任公司 | Plastic pipe expanding and deforming tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YANTAI LU BAOSTEEL PIPE CO., LTD. Free format text: FORMER OWNER: WANG XUWU Effective date: 20060113 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060113 Address after: 264002 No. 185 happiness Middle Road, Zhifu District, Shandong, Yantai Patentee after: Yantai Lubao Steel Pipe Co., Ltd. Address before: 264002 No. 185 happiness Middle Road, Shandong, Yantai Patentee before: Wang Xuwu |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010307 |