CN103464544A - Constant-pressure self-locking adjustment device for tube welding squeezing rollers - Google Patents
Constant-pressure self-locking adjustment device for tube welding squeezing rollers Download PDFInfo
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- CN103464544A CN103464544A CN2013104234884A CN201310423488A CN103464544A CN 103464544 A CN103464544 A CN 103464544A CN 2013104234884 A CN2013104234884 A CN 2013104234884A CN 201310423488 A CN201310423488 A CN 201310423488A CN 103464544 A CN103464544 A CN 103464544A
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- compression roller
- sliding shoe
- travelling carriage
- connecting rod
- adjustment device
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Abstract
The invention discloses a constant-pressure self-locking adjustment device for tube welding squeezing rollers. The device comprises a bracket, sliding frames, squeezing rollers and screw rods, wherein the sliding frames are arranged on the bracket; the squeezing rollers are arranged on the sliding frames; the screw rods are arranged on the bracket, are connected with the sliding frames, and are connected with main shafts of driving devices; self-locking devices are arranged on the main shafts; adjustment devices for preventing the upward displacement of the squeezing rollers are arranged on the sliding frames. The device is simple in structure and convenient to use; the squeezing rollers can be prevented from producing backing and upward-downward displacement in a using process, the roundness of a welded steel tube is ensured, and the steel tube welding efficiency is improved.
Description
Technical field
The present invention relates to the steel tube fabrication technique field, relate in particular a compression roller level pressure auto-locking adjustment device of manufacturing for steel pipe.
Background technology
Steel pipe, when manufacturing, is to be made by welding by rolled-up steel plate, and, in welding, steel plate is that squeezed pressure roller pushes always, to keep the circularity needed.Compression roller is all paired setting, number of patent application for example: the Chinese invention patent of CN96106275.4 applying date 1996-04-26 discloses a kind of manufacture method of welded still pipe, it adopts two compression rollers to two end pressurizations of steel plate exactly, forms the docking section that comprises butted line; Near the extruding point, with the high density energy bundle that can dissolve the whole thickness of steel band, irradiate, weld this two ends; Pressurize with the amount of pressurization that can fully prevent weld defect with this compression roller, and then make the steel pipe needed.
But existing compression roller device in use also has weak point: the undesirable situation of produced steel pipe roundness often occurs after using a period of time in it, this just needs often to change the compression roller device, not only waste time and energy, affect operating efficiency, and increased cost.
Summary of the invention
The purpose of this invention is to provide for the deficiencies in the prior art part, a kind of welded tube compression roller level pressure auto-locking adjustment device is provided, can overcome the deficiencies in the prior art part, it is simple in structure, easy to use, in use can place that compression roller is reversed and upper and lower play, guarantee the circularity of welding out steel pipe.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows: a kind of welded tube compression roller level pressure auto-locking adjustment device, comprise support, rack-mount travelling carriage, be arranged on the compression roller on described travelling carriage and be arranged on the screw mandrel that described support is connected with described travelling carriage, the main shaft of described screw mandrel and drive unit is connected, described main shaft is provided with self-locking device, is equipped with on described travelling carriage and prevents the make progress adjusting device of vibration of described compression roller.
The applicant finds after research repeatedly, why the rear undesirable situation of steel pipe roundness is welded in appearance, be because compression roller in the process that steel plate is pushed, the power produced is very large and be persistent, with the circularity after the Plate Welding that guarantees to roll, but, long-time like this, the power of great dynamics on acting on the welding steel plate in, also acting in opposition is on compression roller, this will make compression roller generation problem, first: drive the screw mandrel that compression roller carries out the position adjustment, can be under the effect of long power, occur loosening, make compression roller outwards back out, even this displacement of backing out is very little very little, we measure rear discovery, this displacement is generally less than 0.3mm, but, be exactly so small retreating, will cause the great variety of welding steel pipe roundness out, can't meet the requirement of standard, therefore, want to guarantee the circularity of steel pipe, just need the phenomenon that guarantees that compression roller in use can not occur outwards to back out, second, compression roller is when being pushed steel plate, have the trend moved upward, and compression roller is being arranged on travelling carriage of rotating, so through after impact after a while, will produce small gap between compression roller and travelling carriage, this gap is generally less than 0.2mm, the existence in this gap will make the vibration of compression roller generation above-below direction, this will cause the circularity of welding out steel pipe not meet standard, therefore, want to guarantee the circularity of steel pipe, just need to guarantee that compression roller in use upper and lower vibration can not occur.For this reason, the applicant is provided with self-locking device, prevents that screw mandrel from use occurring outwards to back out, and simultaneously, is provided with adjusting device, prevents that compression roller from upper and lower vibration occurring.
As preferably, described self-locking device comprises upper gathering sill, left jointed shaft and the right jointed shaft that the rotating disc that is fixed on described main shaft and has draw-in groove, the sliding bar that drives oil cylinder to be connected with described driving cylinder piston rod and described sliding bar match, described left jointed shaft, right jointed shaft and left connecting rod, right connecting rod are hinged, described sliding bar and described left connecting rod and right connecting rod upper end are hinged, described left connecting rod, right connecting rod lower end are fixed with left latch segment, right latch segment, and described left connecting rod, right connecting rod are arranged in left gathering sill, right gathering sill.
Self-locking device, by the rotating disc with draw-in groove is set on main shaft, recycles left latch segment, right latch segment and rotating disc and matches, and can realize the clockwise and counterclockwise locking of main shaft, prevents that screw mandrel from retreating; In work, drive the piston rod of oil cylinder to stretch out, drive sliding bar and move ahead in upper gathering sill, make left connecting rod, right connecting rod rotate around left jointed shaft and right jointed shaft, make left latch segment stretch in draw-in groove, and right latch segment is realized the counter clockwise direction locking to main shaft this time away from draw-in groove, otherwise, drive the piston rod of oil cylinder to retract, make right latch segment stretch in draw-in groove, and left latch segment is realized the clockwise direction locking to main shaft away from draw-in groove.
As preferably, described left latch segment, the corresponding end of right latch segment are equipped with the inclined plane that inwardly is inclined upwardly simultaneously and extends.
As preferably, described draw-in groove comprises bottom surface and and the two sides of intersecting and being parallel to each other, described bottom surface.
As preferably, described compression roller is provided with a conical section, described adjusting device comprises the horizontal slip groove that is arranged in described travelling carriage, be arranged on the sliding shoe in described horizontal slip groove and be screwed onto on described travelling carriage for holding out against the screw that holds out against of described sliding shoe, and described sliding shoe is provided with the clinoplain fitted with described conical section.
We have conical section in compression roller colouring number, conical section diminishes gradually along with extending upward diameter, like this, conical section has just formed a surface be obliquely installed, and the clinoplain that the surface that sliding shoe also is provided with and this is obliquely installed fits, under the effect that holds out against screw, these two planes fit, when compression roller has the mobile trend of making progress, sliding shoe limits compression roller, prevent that it from moving up, and work as work after a while, between two faces that fit, wear and tear, we can inwardly move sliding shoe by holding out against screw in the horizontal slip groove, guarantee both fitting tightly, and then prevent the generation in gap, avoid compression roller that upper and lower vibration occurs.
As preferably, be provided with two dish springs between described sliding shoe and described horizontal slip groove bottom in described horizontal slip groove.
Hold out against the position adjustment of screw to sliding shoe, manually carry out, and in actual work, work after a period of time, between sliding shoe and conical section, not exist be impossible in some gaps, and also do not carry out the position adjustment by holding out against screw to sliding shoe this time, this time, conical section will produce an impact to sliding shoe, and the existence of this impact can make gap further expand, reduce the circularity of steel pipe, for this reason, we are provided with two dish springs, in the time of incipient in gap, the impact that conical section is produced sliding shoe is cushioned, avoid the further expansion in gap, guarantee the circularity of steel pipe, and why be two dish springs, because after too many, effect is bad on the contrary.
As preferably, described adjusting device also comprises the vertical sliding tray that is arranged in described travelling carriage, is arranged on the vertical sliding shoe in described vertical sliding tray; Described sliding shoe upper surface is provided with downward-sloping upper slanted plane of outside while, and described vertical sliding shoe is provided with the lower slanted plane fitted with described upper slanted plane, is bolted with the screw rod be connected with described vertical sliding shoe on described travelling carriage.
In order further between anti-skidding piece and conical section, to produce gap, we arrange vertical sliding shoe, by screw rod, make on the vertical sliding shoe upper slanted plane that is pressed in sliding shoe tightly, make sliding shoe that a trend of inwardly sliding be arranged, guarantee that the conical section surface fits tightly mutually with clinoplain.
As preferably, described conical section outer surface is provided with the ring-type draw-in groove, described ring-type draw-in groove comprises the first side, the first inclined plane and ring-type bottom surface, described clinoplain is provided with the inclination latch stretched in described ring-type draw-in groove, and described inclination latch is provided with the second inclined plane fitted with described the first inclined plane.
Inclination latch and ring-type draw-in groove match, even make sliding shoe when being impacted, also can not think outer backing out, and assurance and conical section fit tightly.
As preferably, described ring-type bottom surface is provided with steel ball.
As preferably, described the first inclined plane becomes 50-75 ° of angle with described ring-type bottom surface.
Beneficial effect of the present invention is:
Simple in structure, easy to use, in use can place that compression roller is reversed and upper and lower play, guarantee the circularity of welding out steel pipe, improved the efficiency of welded still pipe.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
The structural representation that Fig. 1 is one embodiment of the invention;
Fig. 2 is the self-locking device schematic diagram;
Fig. 3 is the adjusting device structural representation;
Fig. 4 is A place enlarged diagram in Fig. 3.
In figure:
The 1-support;
The 2-travelling carriage;
The 3-compression roller, 301-conical section, 302-ring-type draw-in groove, 303-the first side, 304-the first inclined plane, 305-ring-type bottom surface, 306-steel ball;
The 4-screw mandrel;
The 5-main shaft;
The 6-self-locking device, the 601-rotating disc, 602-drives oil cylinder, 603-sliding bar, the upper gathering sill of 604-, the left connecting rod of 605-, the left connecting rod of 606-, the left latch segment of 607-, the left latch segment of 608-, the left jointed shaft of 609-, the right jointed shaft of 610-, the left gathering sill of 611-, the right gathering sill of 612-, 613-inclined plane;
The 7-adjusting device, 701-horizontal slip groove, the 702-sliding shoe, 703-holds out against screw, the 704-clinoplain, 705-dish spring, the vertical sliding tray of 706-, the vertical sliding shoe of 707-, 708-upper slanted plane, the 709-lower slanted plane, 710-screw rod, 711-inclination latch, 712-the second inclined plane.
The specific embodiment
The following stated is only preferred embodiment of the present invention, not scope of the present invention is limited.
Embodiment, see accompanying drawing 1,2,3,4, a kind of welded tube compression roller level pressure auto-locking adjustment device, comprise support 1, be arranged on travelling carriage 2 on support 1, be arranged on the compression roller 3 on travelling carriage 2 and be arranged on the screw mandrel 4 that support 1 is connected with travelling carriage 2, travelling carriage 2 is a pair of, screw mandrel 4 drives travelling carriage 2 and moves on support, the main shaft 5 of screw mandrel 4 and drive unit is connected, drive unit can adopt motor, hydraulic motor, air motor etc., main shaft 5 is provided with self-locking device 6, is equipped with on travelling carriage 2 and prevents the upwards adjusting device 7 of vibration of compression roller 3.
Self-locking device 6 comprises the rotating disc 601 that is fixed on main shaft 5 and has draw-in groove, drive oil cylinder 602, with the sliding bar 603 that drives oil cylinder 602 piston rods to be connected, the upper gathering sill 604 matched with sliding bar 603, left jointed shaft 609 and right jointed shaft 610, left jointed shaft 609, right jointed shaft 610 and left connecting rod 605, right connecting rod 606 is hinged, sliding bar 603 and left connecting rod 605 and right connecting rod 606 upper ends are hinged, left connecting rod 605, right connecting rod 606 lower ends are fixed with left latch segment 607, right latch segment 608, left connecting rod 605, right connecting rod 606 is arranged on left gathering sill 611, in right gathering sill 612, like this, in the time of needs, left latch segment 607, right latch segment 608 can insert in the draw-in groove of rotating disc, rotating disc is locked, draw-in groove comprises the two sides that Ji He bottom surface, bottom surface is intersected and is parallel to each other, such structure is conducive to be coordinated with left latch segment 607, right latch segment 608, realizes locking, and left latch segment 607, right latch segment 608 are generally cuboid.Sliding bar 603 can be slided in the horizontal slip groove, and left connecting rod 605, right connecting rod 606 can, under the drive of sliding bar, around left jointed shaft 609, right jointed shaft 610, rotated, and then realize left latch segment 607, right latch segment 608 income draw-in grooves or exit draw-in groove; Further, in order to reduce the interference to draw-in groove, the distance that need to move when reducing left latch segment 607,608 locking of right latch segment, left latch segment 607, the corresponding end of right latch segment 608 are equipped with the inclined plane 613 that inwardly is inclined upwardly simultaneously and extends.
Compression roller 3 is rotatable to be arranged on travelling carriage, its upper end is provided with a conical section 301, conical section 301 is truncated cone-shaped, along with extending upward its diameter, diminish gradually, adjusting device 7 comprises the horizontal slip groove 701 be arranged in travelling carriage 2, be arranged on the sliding shoe 702 in horizontal slip groove 701 and be screwed onto on travelling carriage 2 and hold out against screw 703 for what hold out against sliding shoe 702, sliding shoe 702 is provided with the clinoplain 704 fitted with conical section 301, sliding shoe can slide in the horizontal slip groove, the outer surface of its clinoplain had 704 and conical section fits, such structure makes the masterpiece that compression roller moves up be used in sliding shoe and then act on travelling carriage 2, in needs, can to the position of sliding shoe, be adjusted by holding out against screw, make sliding shoe inwardly slide, simultaneously, be provided with two dish springs 705 between sliding shoe 702 and horizontal slip groove 701 bottom surfaces in horizontal slip groove 701.
Further, adjusting device 7 also comprises the vertical sliding tray 706 that is arranged in travelling carriage 2, is arranged on the vertical sliding shoe 707 in vertical sliding tray 706; Sliding shoe 702 upper surfaces are provided with downward-sloping upper slanted plane 708 of outside while, vertically sliding shoe 707 is provided with the lower slanted plane 709 fitted with upper slanted plane 708, be bolted with the screw rod 710 be connected with vertical sliding shoe 707 on travelling carriage 2, screw rod is screwed onto on travelling carriage 2, its lower end is connected with vertical sliding shoe, driving vertical sliding shoe by screw rod is vertically sliding in sliding tray, and then realize fitting tightly of upper and lower clinoplain, make sliding shoe that the trend moved inward be arranged.
Further, conical section 301 outer surfaces are provided with ring-type draw-in groove 302, ring-type draw-in groove 302 comprises the first side 303, the first inclined plane 304 and ring-type bottom surface 305, clinoplain 704 is provided with the inclination latch 711 stretched in ring-type draw-in groove 302, inclination latch 711 is provided with the second inclined plane 712 fitted with the first inclined plane 304, the first inclined plane 304 and 50-75 ° of 305 one-tenth of ring-type bottom surface angle, wherein, take 55 ° as good.In order to make sliding friction become rolling friction, we are provided with steel ball 306 in ring-type bottom surface 305.
Above explanation is only explanation of the invention, make the complete enforcement this programme of those of ordinary skills' energy, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this specification, and these are all not creative modifications.But as long as all be subject to the protection of Patent Law in claim scope of the present invention.
Claims (10)
1. a welded tube compression roller level pressure auto-locking adjustment device, it is characterized in that: comprise support (1), be arranged on travelling carriage (2) on support (1), be arranged on the compression roller (3) on described travelling carriage (2) and be arranged on the screw mandrel (4) that described support (1) is connected with described travelling carriage (2), the main shaft (5) of described screw mandrel (4) and drive unit is connected, described main shaft (5) is provided with self-locking device (6), is equipped with on described travelling carriage (2) and prevents the upwards adjusting device (7) of vibration of described compression roller (3).
2. split-type squeeze roller level pressure auto-locking adjustment device according to claim 1, it is characterized in that: described self-locking device (6) comprises and is fixed on the rotating disc (601) that draw-in groove was gone up and had to described main shaft (5), drive oil cylinder (602), the sliding bar (603) be connected with described driving oil cylinder (602) piston rod, the upper gathering sill (604) matched with described sliding bar (603), left jointed shaft (609) and right jointed shaft (610), described left jointed shaft (609), right jointed shaft (610) and left connecting rod (605), right connecting rod (606) is hinged, described sliding bar (603) and described left connecting rod (605) and right connecting rod (606) upper end are hinged, described left connecting rod (605), right connecting rod (606) lower end is fixed with left latch segment (607), right latch segment (608), described left connecting rod (605), right connecting rod (606) is arranged on left gathering sill (611), in right gathering sill (612).
3. split-type squeeze roller level pressure auto-locking adjustment device according to claim 2 is characterized in that: described left latch segment (607), the corresponding end of right latch segment (608) are equipped with the inclined plane (613) that inwardly is inclined upwardly simultaneously and extends.
4. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 2 is characterized in that: described draw-in groove comprises bottom surface and and the two sides of intersecting and being parallel to each other, described bottom surface.
5. according to claim 1 or 2 or 3 or 4 described a kind of welded tube compression roller level pressure auto-locking adjustment devices, it is characterized in that: described compression roller (3) is provided with a conical section (301), described adjusting device (7) comprises the horizontal slip groove (701) be arranged in described travelling carriage (2), be arranged on the sliding shoe (702) in described horizontal slip groove (701) and be screwed onto that described travelling carriage (2) is upper holds out against screw (703) for what hold out against described sliding shoe (702), described sliding shoe (702) is provided with the clinoplain (704) fitted with described conical section (301).
6. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 5, is characterized in that: be provided with two the dish springs (705) that are positioned between described sliding shoe (702) and described horizontal slip groove (701) bottom surface in described horizontal slip groove (701).
7. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 6 is characterized in that: described adjusting device (7) also comprises the vertical sliding tray (706) that is arranged in described travelling carriage (2), is arranged on the vertical sliding shoe (707) in described vertical sliding tray (706); Described sliding shoe (702) upper surface is provided with downward-sloping upper slanted plane of outside while (708), described vertical sliding shoe (707) is provided with the lower slanted plane (709) fitted with described upper slanted plane (708), is bolted with the screw rod (710) be connected with described vertical sliding shoe (707) on described travelling carriage (2).
8. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 7, it is characterized in that: described conical section (301) outer surface is provided with ring-type draw-in groove (302), described ring-type draw-in groove (302) comprises the first side (303), the first inclined plane (304) and ring-type bottom surface (305), described clinoplain (704) is provided with the inclination latch (711) stretched in described ring-type draw-in groove (302), and described inclination latch (711) is provided with the second inclined plane (712) fitted with described the first inclined plane (304).
9. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 8, it is characterized in that: described ring-type bottom surface (305) is provided with steel ball (306).
10. a kind of welded tube compression roller level pressure auto-locking adjustment device according to claim 9, it is characterized in that: described the first inclined plane (304) becomes 50-75 ° of angle with described ring-type bottom surface (305).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423488.4A CN103464544B (en) | 2013-09-17 | 2013-09-17 | A kind of welded tube compression roller level pressure auto-locking adjustment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423488.4A CN103464544B (en) | 2013-09-17 | 2013-09-17 | A kind of welded tube compression roller level pressure auto-locking adjustment device |
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| CN103464544A true CN103464544A (en) | 2013-12-25 |
| CN103464544B CN103464544B (en) | 2016-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711782A (en) * | 2018-07-14 | 2020-01-21 | 大连冶金工具厂有限公司 | Extrusion roller hole pattern of high-frequency welded pipe rolling mill |
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| JPH09108731A (en) * | 1995-10-17 | 1997-04-28 | Mitsubishi Shindoh Co Ltd | Inspection device for electric resistance welded tube production equipment and method for electric resistance welded tube |
| CN1390675A (en) * | 2001-06-13 | 2003-01-15 | 三菱伸铜株式会社 | Extrude roller unit devices of roll welded steel pipes |
| CN202725700U (en) * | 2012-08-29 | 2013-02-13 | 安徽中臣机电装备科技有限公司 | Extrusion device for welded pipe welding |
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2013
- 2013-09-17 CN CN201310423488.4A patent/CN103464544B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2747468A1 (en) * | 1977-10-22 | 1979-05-03 | Felten & Guilleaume Carlswerk | Butt welding table - with separate and joint micrometer adjustment of roller height and distance |
| SU1136910A1 (en) * | 1981-12-03 | 1985-01-30 | Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский И Конструкторско-Технологический Институт Трубной Промышленности | Method of manufacturing welded straight-seam pipes |
| JPS58173024A (en) * | 1982-04-05 | 1983-10-11 | Kawasaki Steel Corp | Manufacturing device of electric welded steel tube |
| JPS61123432A (en) * | 1984-11-16 | 1986-06-11 | Nippon Steel Corp | Roll position adjusting method of grooved roll stand for electric welded pipe formation and regular shape |
| CN2051876U (en) * | 1989-04-17 | 1990-01-31 | 唐山钢铁公司带钢厂 | Automatic welding and extruding roller with voltage-stabilizing device |
| US5148960A (en) * | 1992-02-03 | 1992-09-22 | Abbey Etna Machine Company | Rotary seam guide |
| CN2131623Y (en) * | 1992-07-15 | 1993-05-05 | 唐山钢铁公司带钢厂 | Automatic pressure stabulator for extruding roll in welding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711782A (en) * | 2018-07-14 | 2020-01-21 | 大连冶金工具厂有限公司 | Extrusion roller hole pattern of high-frequency welded pipe rolling mill |
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| CN103464544B (en) | 2016-03-02 |
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Address after: 313000 No. 288 Funan Road, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Kingland Pipe Industry Co., Ltd. Address before: 313000 Zhejiang Huzhou Huzhou Economic and Technological Development Zone Yangjiabu Zhejiang Jinzhou Pipeline Industry Co., Ltd. Patentee before: Zhejiang Kingland Pipe Industry Co., Ltd. |