CN102172625B - Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof - Google Patents
Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof Download PDFInfo
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- CN102172625B CN102172625B CN 201110035224 CN201110035224A CN102172625B CN 102172625 B CN102172625 B CN 102172625B CN 201110035224 CN201110035224 CN 201110035224 CN 201110035224 A CN201110035224 A CN 201110035224A CN 102172625 B CN102172625 B CN 102172625B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000009785 tube rolling Methods 0.000 claims description 52
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000004080 punching Methods 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007665 sagging Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention relates to a seamless steel pipe three-roller skew tandem rolling production apparatus. The invention mainly aims to solve the technical problems of high production cost and large floor area of the existing seamless steel pipe manufacturing apparatus. The technical scheme in the invention is that: an apparatus realizing the seamless steel pipe three-roller skew tandem rolling production method comprises a skew tandem rolling foreground, a skew tandem rolling host, a skew tandem rolling background and a transmission system, wherein the skew tandem rolling foreground is arranged in front of the skew tandem rolling host; the skew tandem rolling background is arranged behind the skew tandem rolling host; and the transmission system is connected with a perforation roller and a rolled pipe roller of the skew tandem rolling host.
Description
Technical field
The present invention relates to the oblique rolling production equipment of a kind of seamless steel pipe three-roll, it belongs to a kind of oblique rolling production device of rolling seamless steel pipe.
Background technology
The method of existing rolling seamless steel pipe be with pipe send into be heated in heating furnace require temperature after, deliver in punch and bore a hole, the hollow hollow billet base that then will bore a hole is sent in the tube rolling unit and is rolled into hollow forging, heat after taking off pipe again, the steel pipe that heats is again delivered in tube reducing equipment be rolled into fished pipe at last.Therefore, the manufacture method of existing seamless steel pipe exists the shortcomings such as technological process is long, production cost is high.
The punch that above-mentioned manufacture method is used and pipe mill are independently to separate, and therefore, exist the shortcomings such as floor space is large.
Summary of the invention
The objective of the invention is to solve the production equipment that has seamless steel pipe now and exist production cost height and the large technical problem of floor space, provide the seamless steel pipe three-roll that a kind of production cost is low, effects of energy saving and emission reduction good and floor space is little oblique rolling production equipment.
The present invention solves the problems of the technologies described above the technical scheme that adopts to be:
The oblique rolling production equipment of a kind of seamless steel pipe three-roll, it comprises oblique tandem rolling foreground, tiltedly tandem rolling main frame, tiltedly tandem rolling backstage and transmission system, tiltedly the front that is located at oblique tandem rolling main frame, tandem rolling foreground is with the pipe accepting heating furnace and send here and send in oblique tandem rolling main frame, tiltedly the back that is located at oblique tandem rolling main frame, tandem rolling backstage is with the associating plug of laying perforation and tube rolling and accept the hot-rolled pipe that shuts out, and transmission system and the punch roller of oblique tandem rolling main frame are connected with the tube rolling roll with to boring a hole and two groups of rolls of tube rolling drive;
described oblique tandem rolling main frame comprises mainframe, punching machine, tube rolling device and card cut device, mainframe is comprised of memorial archway base and rotating cap, at memorial archway base and rotating cap contact position, locking device is installed, one end of frame opening and closing device is contained on the memorial archway base, the other end of frame opening and closing device is connected on rotating cap, punching machine is located at the front portion in mainframe, the tube rolling device is located at the rear portion in mainframe, card cuts that a device is located at the centre of mainframe and between punching machine and tube rolling device, be provided with in a side of mainframe and accept hydraulic cylinder to accept the rotating cap after opening, described oblique tandem rolling foreground is made of approach table, lifting finger, bridging table, entrance guide pin bushing, material feeding platform and pusher, lifting finger is located at one side of bridging table and turns over the steel pawl and is positioned on approach table, one side of bridging table is located at a side of approach table, the another side of bridging table is located at a side of material feeding platform, inlet guide is set in the front end of material feeding platform, and pusher is located at material feeding platform rear end, described oblique tandem rolling backstage is made of the first backstage and the second backstage, described the first backstage is by gear pipe device, Centering Roll, turn-down rig, lowering or hoisting gear, the outlet guide pin bushing, runout table and motor, the ground base seat, main base and conveying roller base consist of, outlet guide is set on the front end of main base and is positioned at the roll exit, Centering Roll is located on main base and it is centered close on steel pipe outlet side roll line, lowering or hoisting gear is located on main base, turn-down rig is located at a side of runout table and motor, its stirring pawl is between Centering Roll, runout table and motor are contained in one side of main base by the conveying roller base, gear pipe device is contained in the rear end of main base, main base is contained on the ground base seat, described the second backstage is made of blocking device, ejector rob trolley provided, hydraulic bjuffer, dolly transmission device, stopping means and slideway, blocking device is located at the front end on the second backstage and is positioned at the back of gear pipe device, ejector rob trolley provided being contained on slideway, hydraulic bjuffer is located at slideway two ends, the dolly transmission device is located at the slideway rear end, its steel wire rope is connected with ejector rob trolley provided, stopping means is contained in and is used on slideway regulating plug in the main frame position, and the roller of installing on stopping means is used for holding up plug and prevents that plug is sagging because of cantilever, described transmission system is comprised of perforation transmission system and tube rolling transmission system, and the perforation transmission system comprises the main motor of perforation and reductor and Hooks coupling universal coupling, and bore a hole main motor and reductor are connected with punch roller by Hooks coupling universal coupling, the tube rolling transmission system comprises tube rolling master motor, main gear reducer and universal-joint spindle, and tube rolling master motor is connected with the power shaft of main gear reducer, and the output shaft of main gear reducer is connected with the tube rolling roll by universal-joint spindle.
described punching machine is by three punch rollers, bearing block, rotary drum, the pressure axle, housing screw, top-roll-balance arrangement, the hydraulic pressure quick-opening device, deceleration device, feed angle adjusting device and drum pressure mechanism consist of, three punch rollers are 120 ° of layouts, each roll is arranged on bearing block, then be arranged in rotary drum and be positioned at the below of rotary drum, each rotary drum is locked by two adjustable hydraulic pressure axles, one end of housing screw is connected with the output shaft of deceleration device, the other end of housing screw is connected with the hydraulic pressure quick-opening device, the hydraulic pressure quick-opening device be located at rotary drum above, deceleration device is located on mainframe, top-roll-balance arrangement is located at the upper end of deceleration device, the feed angle adjusting device is contained on the frame of rotary drum outside, thereby punch roller is played the effect of adjusting feed angle, drum pressure mechanism is contained on frame the pressure axle is fixed.
described tube rolling device is by three tube rolling rolls, bearing block, rotary drum, the pressure axle, housing screw, top-roll-balance arrangement, the hydraulic pressure quick-opening device, deceleration device and feed angle adjusting device consist of, three tube rolling rolls are 120 ° of layouts, each tube rolling roll is arranged on bearing block, then be arranged in rotary drum and be positioned at the below of rotary drum, each rotary drum is locked by two adjustable hydraulic pressure axles, one end of housing screw is connected with the output shaft of deceleration device, the other end of housing screw is connected with the hydraulic pressure quick-opening device, the hydraulic pressure quick-opening device be located at rotary drum above, deceleration device is located on mainframe, top-roll-balance arrangement is located on mainframe and between two hydraulic pressure quick-opening devices, the lower end of top-roll-balance arrangement is connected with the middle of rotary drum, the feed angle adjusting device is contained on frame, be used for regulating rotary ancient battle drums and horns degree, thereby the tube rolling roll is played the effect of adjusting feed angle, the roll off angle is by poor adjustment of drafts between two housing screws.
Because the present invention has adopted technique scheme, the production equipment that has solved existing seamless steel pipe exists production cost height and the large technical problem of floor space.Therefore, compare with background technology, the present invention has that effects of energy saving and emission reduction is good, production cost is low and the advantage such as floor space is little.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the oblique tandem rolling main frame of the present invention;
Fig. 3 is the A in Fig. 2---the A profile;
Fig. 4 is the structural representation of the present invention oblique tandem rolling foreground and perforation transmission system;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the structural representation of the first backstage, the oblique tandem rolling of the present invention backstage and tube rolling transmission system;
Fig. 7 is the top view of Fig. 6;
Fig. 8 is the structural representation on the second backstage, the oblique tandem rolling of the present invention backstage;
Fig. 9 is the top view of Fig. 8.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Seamless steel pipe three-roller skew tandem rolling production in the present embodiment, it is combined into the perforation in hot rolled seamless steel tube production, tube rolling operation on a frame, and adopts two groups of roll systems and a cover top-plug-ejector rod system to realize the tandem rolling work of perforation and tube rolling; Described perforation and tube rolling all adopt the oblique milling method rolling, realize the oblique milling rolling production of seamless steel pipe.
As shown in Figure 1, realize the equipment of above-mentioned seamless steel pipe three-roller skew tandem rolling production, it comprises oblique tandem rolling foreground 1, tiltedly tandem rolling main frame 2, tiltedly tandem rolling backstage 3 and transmission system 4, tiltedly the front that is located at oblique tandem rolling main frame 2, tandem rolling foreground 1 is with the pipe accepting heating furnace and send here and send in oblique tandem rolling main frame, tiltedly the back that is located at oblique tandem rolling main frame 2, tandem rolling backstage 3 is with the associating plug of laying perforation and tube rolling and accept the hot-rolled pipe that shuts out, and transmission system 4 and the punch roller of oblique tandem rolling main frame 2 are connected with the tube rolling roll with to boring a hole and two groups of rolls of tube rolling drive.
as shown in Figures 2 and 3, described oblique tandem rolling main frame 2 comprises mainframe, punching machine, tube rolling device and card cut device 23, mainframe is comprised of memorial archway base 5 and rotating cap 6, in memorial archway base 5 and rotating cap 6 contact positions, locking device 7 is installed, one end of frame opening and closing device is contained on memorial archway base 5, the other end of frame opening and closing device is connected on rotating cap 6, punching machine is located at the front portion in mainframe, the tube rolling device is located at the rear portion in mainframe, card cuts that a device 23 is located at the centre of mainframe and between punching machine and tube rolling device, be provided with in a side of mainframe and accept hydraulic cylinder 8 to accept the rotating cap 6 after opening, memorial archway base 5 is located on the floor 16 that is anchored on the basis.
described punching machine is by three punch rollers 9, bearing block 11, rotary drum 13, pressure axle 15, housing screw 17, top-roll-balance arrangement 18, hydraulic pressure quick-opening device 19, deceleration device 20, feed angle adjusting device 21 and drum pressure mechanism 22 consist of, three punch rollers 9 are 120 ° of layouts, each roll 9 is arranged on bearing block 11, then be arranged on 13 li of rotary drums and be positioned at the below of rotary drum 13, each rotary drum 13 is locked by two adjustable hydraulic pressure axles 15, one end of housing screw 17 is connected with the output shaft of deceleration device 20, the other end of housing screw 17 is connected with hydraulic pressure quick-opening device 19, hydraulic pressure quick-opening device 19 be located at rotary drum 13 above, deceleration device 20 is located on mainframe, top-roll-balance arrangement 18 is located at the upper end of deceleration device 20, feed angle adjusting device 21 is contained on rotary drum 13 outside frames, thereby punch roller 9 is played the effect of adjusting feed angle, drum pressure mechanism 22 is contained on frame pressure axle 15 is fixed.
described tube rolling device is by three tube rolling rolls 10, bearing block 12, rotary drum 14, pressure axle 15, housing screw 24, top-roll-balance arrangement 25, hydraulic pressure quick-opening device 26, deceleration device 27 and feed angle adjusting device 21 consist of, three tube rolling rolls 10 are 120 ° of layouts, each roll 10 is arranged on bearing block 12, then be arranged on 14 li of rotary drums and be positioned at the below of rotary drum 14, each rotary drum 14 is locked by two adjustable hydraulic pressure axles 15, one end of housing screw 24 is connected with the output shaft of deceleration device 20, the other end of housing screw 24 is connected with hydraulic pressure quick-opening device 26, hydraulic pressure quick-opening device 26 be located at rotary drum 14 above, deceleration device 27 is located on mainframe, top-roll-balance arrangement 25 is located on mainframe and between two hydraulic pressure quick-opening devices 26, the lower end of top-roll-balance arrangement 25 is connected with the middle of rotary drum 14, feed angle adjusting device 21 is contained on frame, be used for regulating rotary drum 14 angles, thereby tube rolling roll 10 is played the effect of adjusting feed angle, the roll off angle is by poor adjustment of drafts between two housing screws 24.
As shown in Figure 4 and Figure 5, described oblique tandem rolling foreground 1 is made of approach table 28, lifting finger 29, bridging table 30, entrance guide pin bushing 31, material feeding platform 32 and pusher 33, lifting finger 29 is located at one side of bridging table 30 and turns over the steel pawl and is positioned on approach table 28, one side of bridging table 30 is located at a side of approach table 28, the another side of bridging table 30 is located at a side of material feeding platform 32, entrance guide pin bushing 31 is located at the front end of material feeding platform 32, and pusher 33 is located at material feeding platform 32 rear ends.
as Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9, described oblique tandem rolling backstage 3 is made of the first backstage and the second backstage, described the first backstage is by gear pipe device 39, Centering Roll 40, turn-down rig 41, lowering or hoisting gear 42, outlet guide pin bushing 43, runout table and motor 44, ground base seat 45, main base 46 and conveying roller base 47 consist of, outlet guide pin bushing 43 is arranged on the front end of main base 46 and is positioned at the roll exit, Centering Roll 40 is located on main base 46 and it is centered close on steel pipe outlet side roll line, lowering or hoisting gear 42 is located on main base 46, turn-down rig 41 is located at a side of runout table and motor 44, its stirring pawl is between Centering Roll 40, runout table and motor 44 are contained in one side of main base 46 by conveying roller base 47, gear pipe device 39 is contained in the rear end of main base 46, main base 46 is contained on ground base seat 45, described the second backstage is by blocking device 48, ejector rob trolley provided 49, hydraulic bjuffer 50, dolly transmission device 51, stopping means 52 and slideway 53 consist of, blocking device 48 is located at the front end on the second backstage and is positioned at the back of gear pipe device 39, ejector rob trolley provided 49 are contained on slideway 53, hydraulic bjuffer 50 is located at slideway 53 two ends, dolly transmission device 51 is located at slideway 53 rear ends, its steel wire rope is connected with ejector rob trolley provided 49, stopping means 52 is contained in and is used on slideway 53 regulating plug in the main frame position, the roller of installing on stopping means 52 is used for holding up plug and prevents that plug is sagging because of cantilever.
As Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, described transmission system 4 is comprised of perforation transmission system and tube rolling transmission system, the perforation transmission system comprises the main motor of perforation and reductor 34 and Hooks coupling universal coupling 35, and bore a hole main motor and reductor 34 are connected with punch roller by Hooks coupling universal coupling 35; The tube rolling transmission system comprises tube rolling master motor 36, main gear reducer 37 and universal-joint spindle 38, and tube rolling master motor 36 is connected with the power shaft of main gear reducer 37, and the output shaft of main gear reducer 37 is connected with the tube rolling roll by universal-joint spindle 38.
Claims (3)
1. oblique rolling production equipment of seamless steel pipe three-roll, it is characterized in that: it comprises oblique tandem rolling foreground (1), oblique tandem rolling main frame (2), oblique tandem rolling backstage (3) and transmission system (4), tiltedly the front that is located at oblique tandem rolling main frame (2), tandem rolling foreground (1) is with the pipe accepting heating furnace and send here and send in oblique tandem rolling main frame, oblique tandem rolling backstage (3) is located at the back of oblique tandem rolling main frame (2) and bores a hole and the associating plug of tube rolling and the hot-rolled pipe that acceptance shuts out to lay, transmission system (4) and the oblique punch roller of tandem rolling main frame (2) are connected with the tube rolling roll with to boring a hole and two groups of rolls of tube rolling drive,
described oblique tandem rolling main frame (2) comprises mainframe, punching machine, tube rolling device and card cut device (23), mainframe is comprised of memorial archway base (5) and rotating cap (6), in memorial archway base (5) and rotating cap (6) contact position, locking device (7) is installed, one end of frame opening and closing device is contained on memorial archway base (5), the other end of frame opening and closing device is connected on rotating cap (6), punching machine is located at the front portion in mainframe, the tube rolling device is located at the rear portion in mainframe, card cuts that a device (23) is located at the centre of mainframe and between punching machine and tube rolling device, be provided with in a side of mainframe and accept hydraulic cylinder (8) to accept the rotating cap (6) after opening, described oblique tandem rolling foreground (1) is by approach table (28), lifting finger (29), bridging table (30), entrance guide pin bushing (31), material feeding platform (32) and pusher (33) consist of, lifting finger (29) is located at one side of bridging table (30) and turns over the steel pawl and is positioned on approach table (28), one side of bridging table (30) is located at a side of approach table (28), the another side of bridging table (30) is located at a side of material feeding platform (32), entrance guide pin bushing (31) is located at the front end of material feeding platform (32), pusher (33) is located at material feeding platform (32) rear end, described oblique tandem rolling backstage (3) is made of the first backstage and the second backstage, described the first backstage is by gear pipe device (39), Centering Roll (40), turn-down rig (41), lowering or hoisting gear (42), outlet guide pin bushing (43), runout table and motor (44), ground base seat (45), main base (46) and conveying roller base (47) consist of, outlet guide pin bushing (43) is arranged on the front end of main base (46) and is positioned at the roll exit, Centering Roll (40) is located at main base (46) upward and it is centered close on steel pipe outlet side roll line, lowering or hoisting gear (42) is located on main base (46), turn-down rig (41) is located at a side of runout table and motor (44), its stirring pawl is positioned between Centering Roll (40), runout table and motor (44) are contained in one side of main base (46) by conveying roller base (47), gear pipe device (39) is contained in the rear end of main base (46), main base (46) is contained on ground base seat (45), described the second backstage is by blocking device (48), ejector rob trolley provided (49), hydraulic bjuffer (50), dolly transmission device (51), stopping means (52) and slideway (53) consist of, blocking device (48) is located at the front end on the second backstage and is positioned at the back of gear pipe device (39), ejector rob trolley provided (49) are contained on slideway (53), hydraulic bjuffer (50) is located at slideway (53) two ends, dolly transmission device (51) is located at slideway (53) rear end, its steel wire rope is connected with ejector rob trolley provided (49), stopping means (52) is contained in the upper adjusting plug that is used for of slideway (53) in the main frame position, the upper roller of installing of stopping means (52) is used for holding up plug and prevents that plug is sagging because of cantilever, described transmission system (4) is comprised of perforation transmission system and tube rolling transmission system, the perforation transmission system comprises the main motor of perforation and reductor (34) and Hooks coupling universal coupling (35), and bore a hole main motor and reductor (34) are connected with punch roller by Hooks coupling universal coupling (35), the tube rolling transmission system comprises tube rolling master motor (36), main gear reducer (37) and universal-joint spindle (38), tube rolling master motor (36) is connected with the power shaft of main gear reducer (37), and the output shaft of main gear reducer (37) is connected with the tube rolling roll by universal-joint spindle (38).
2. the oblique rolling production equipment of seamless steel pipe three-roll according to claim 1, it is characterized in that: described punching machine is by three punch rollers (9), bearing block (11), rotary drum (13), pressure axle (15), housing screw (17), top-roll-balance arrangement (18), hydraulic pressure quick-opening device (19), deceleration device (20), feed angle adjusting device (21) and drum pressure mechanism (22) consist of, three punch rollers (9) are 120 ° of layouts, each roll (9) is arranged on bearing block (11), then be arranged on rotary drum (13) inner and be positioned at the below of rotary drum (13), each rotary drum (13) is locked by two adjustable hydraulic pressure axles (15), one end of housing screw (17) is connected with the output shaft of deceleration device (20), the other end of housing screw (17) is connected with hydraulic pressure quick-opening device (19), hydraulic pressure quick-opening device (19) be located at rotary drum (13) above, deceleration device (20) is located on mainframe, top-roll-balance arrangement (18) is located at the upper end of deceleration device (20), feed angle adjusting device (21) is contained on the frame of rotary drum (13) outside, thereby punch roller (9) is played the effect of adjusting feed angle, drum pressure mechanism (22) is contained on frame pressure axle (15) is fixed.
3. the oblique rolling production equipment of seamless steel pipe three-roll according to claim 1, it is characterized in that: described tube rolling device is by three tube rolling rolls (10), bearing block (12), rotary drum (14), pressure axle (15), housing screw (24), top-roll-balance arrangement (25), hydraulic pressure quick-opening device (26), deceleration device (27) and feed angle adjusting device (21) consist of, three tube rolling rolls (10) are 120 ° of layouts, each tube rolling roll (10) is arranged on bearing block (12), then be arranged on rotary drum (14) inner and be positioned at the below of rotary drum (14), each rotary drum (14) is locked by two adjustable hydraulic pressure axles (15), one end of housing screw (24) is connected with the output shaft of deceleration device (20), the other end of housing screw (24) is connected with hydraulic pressure quick-opening device (26), hydraulic pressure quick-opening device (26) be located at rotary drum (14) above, deceleration device (27) is located on mainframe, top-roll-balance arrangement (25) is located on mainframe and is positioned between two hydraulic pressure quick-opening devices (26), the lower end of top-roll-balance arrangement (25) is connected with the middle of rotary drum (14), feed angle adjusting device (21) is contained on frame, be used for regulating rotary drum (14) angle, thereby tube rolling roll (10) is played the effect of adjusting feed angle, the roll off angle is by poor adjustment of drafts between two housing screws (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110035224 CN102172625B (en) | 2011-01-30 | 2011-01-30 | Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110035224 CN102172625B (en) | 2011-01-30 | 2011-01-30 | Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof |
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| CN102172625A CN102172625A (en) | 2011-09-07 |
| CN102172625B true CN102172625B (en) | 2013-06-26 |
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| CN 201110035224 Expired - Fee Related CN102172625B (en) | 2011-01-30 | 2011-01-30 | Seamless steel pipe three-roller skew tandem rolling production method and apparatus thereof |
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| ITMI20130628A1 (en) * | 2013-04-17 | 2014-10-18 | Danieli Off Mecc | INTEGRATED MILL FOR TUBES WITHOUT TRANSVERSAL LAMINATION |
| CN103316917B (en) * | 2013-06-18 | 2015-06-17 | 太原科技大学 | Three-roller skew continuous rolling mill for producing tubes or bars |
| CN105170653B (en) * | 2015-09-15 | 2018-02-06 | 鑫鹏源智能装备集团有限公司 | Multi-functional rolling with secondary punch function roll shape |
| CN105170655B (en) * | 2015-09-15 | 2018-02-06 | 鑫鹏源智能装备集团有限公司 | Multi-functional rolling with revolution sizing function roll shape |
| CN105127213B (en) * | 2015-09-30 | 2017-01-18 | 太原科技大学 | Metal stacking/drawing deformation detection device in steel tube diagonal continuous rolling |
| CN105345216B (en) * | 2015-12-11 | 2017-06-20 | 安徽马钢自动化信息技术有限公司 | Scafing roller-way automatic control system and its control method |
| CN106513441B (en) * | 2016-11-24 | 2018-07-13 | 北京京诚之星科技开发有限公司 | A kind of three-roll piercer |
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| CN111804855B (en) * | 2020-08-26 | 2022-08-02 | 太原科技大学 | Three-freedom-degree rotary rolling machine |
| CN111842742B (en) * | 2020-08-26 | 2022-04-26 | 太原科技大学 | Bevel gear driven single-ring roller rotary rolling mechanism |
| CN112024607B (en) * | 2020-08-26 | 2022-04-26 | 太原科技大学 | Bevel gear driven double-ring roller rotary rolling mechanism |
| CN113042802B (en) * | 2020-11-24 | 2022-08-19 | 太原科技大学 | Method for determining optimal azimuth angle of horizontal hydraulic cylinder of double-cylinder hydraulic round steel shear |
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| CN1055681A (en) * | 1991-04-13 | 1991-10-30 | 太原重型机械学院 | Hot rail three roller combined piercing for seamless pipe |
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| CN85106452B (en) * | 1985-08-28 | 1987-04-08 | 高建民 | Machine for rolling seamless pipes |
| JPS6293011A (en) * | 1985-10-17 | 1987-04-28 | Kawasaki Steel Corp | Skew rolling method for circular pipe drawing rolling mill |
| JPH0647125B2 (en) * | 1990-01-23 | 1994-06-22 | 株式会社日本製鋼所 | Three-roll elongator and method for manufacturing clad steel pipe by three-roll elongator |
| CN1201879C (en) * | 2003-04-04 | 2005-05-18 | 太原市通泽成套设备有限公司 | Conic perforator |
| CN101229561A (en) * | 2007-07-24 | 2008-07-30 | 太原市通泽成套设备有限公司 | Gearing of sizing reducing mill |
| CN101352728A (en) * | 2008-09-19 | 2009-01-28 | 沈阳东方钢铁有限公司 | Novel technique for producing large-sized seamless steel pipe |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055681A (en) * | 1991-04-13 | 1991-10-30 | 太原重型机械学院 | Hot rail three roller combined piercing for seamless pipe |
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