CN116618445A - Hot rolling device for processing deformation-preventing steel pipe - Google Patents
Hot rolling device for processing deformation-preventing steel pipe Download PDFInfo
- Publication number
- CN116618445A CN116618445A CN202310907636.3A CN202310907636A CN116618445A CN 116618445 A CN116618445 A CN 116618445A CN 202310907636 A CN202310907636 A CN 202310907636A CN 116618445 A CN116618445 A CN 116618445A
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- fixedly connected
- steel pipe
- sliding
- fixing
- disc
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 158
- 239000010959 steel Substances 0.000 title claims abstract description 158
- 238000005098 hot rolling Methods 0.000 title claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims abstract description 54
- 238000009826 distribution Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 28
- 238000007790 scraping Methods 0.000 claims description 21
- 238000005461 lubrication Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 239000011295 pitch Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000010687 lubricating oil Substances 0.000 abstract description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/20—Revolving, turning-over, or like manipulation of work, e.g. revolving in trio stands
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of steel pipe machining, in particular to a hot rolling device for deformation-preventing steel pipe machining. The utility model provides a hot rolling device is used in steel pipe processing of preventing deformation, is including symmetrical distribution's operation panel, and the operation panel is provided with control terminal, and symmetrical distribution operation panel rotates through the bracing piece to be connected with the backing roll, and the operation panel rigid coupling has fixed sleeve, and fixed sleeve sliding connection has the carriage, and the carriage rotates to be connected with the rolling section of thick bamboo, is provided with the steel pipe between equidistant and the symmetrically distributed rolling section of thick bamboo. When the steel pipes with different diameters are hot rolled, the distance between the rolling cylinders is automatically adjusted, so that the distance between the rolling cylinders is equal to the diameter of the steel pipes, the steel pipes are ensured to smoothly pass through the rolling cylinders, the distance between the two rolling cylinders which are symmetrical from right to left is gradually reduced, the steel pipes are gradually extruded, the steel pipes are ensured to be hot rolled by smearing lubricating oil on the steel pipes before hot rolling, redundant lubricating oil is filtered and collected, and the lubricating oil after collection is reused.
Description
Technical Field
The invention relates to the technical field of steel pipe machining, in particular to a hot rolling device for deformation-preventing steel pipe machining.
Background
The hot rolling is a processing technology relative to cold rolling, and in the process of processing the steel pipe, the steel pipe is extruded and heated through two or three rolling cylinders, so that the outer diameter of the steel pipe is reduced, the length of the steel pipe is increased, and the performance of the steel pipe is changed.
The existing hot rolling equipment has the following problems:
1. when hot rolling is carried out on steel pipes with different radiuses, the distance between rolling cylinders needs to be adjusted, and the distance between the rolling cylinders cannot be synchronously adjusted due to the complicated adjusting process.
2. The interval between the rolling cylinders is not gradually changed, and the minimum interval is directly adopted to extrude the steel pipe, so that the steel pipe is deformed after being extruded, and the integrity of the steel pipe is affected.
3. The change rate of the spacing between the rolling cylinders cannot be synchronously adjusted, and different spacing change rates are adopted for different steel pipes.
Disclosure of Invention
In order to solve the technical problems, the invention provides a hot rolling device for automatically cleaning and preventing deformation for steel tube processing.
The technical implementation scheme of the invention is as follows: the hot rolling device for processing the anti-deformation steel pipe comprises symmetrically distributed operation tables, wherein the operation tables are provided with control terminals, the operation tables are rotationally connected with supporting rollers through supporting rods, the operation tables are fixedly connected with equidistant distributed fixed sleeves, the fixed sleeves are slidably connected with sliding frames, the sliding frames are rotationally connected with rolling cylinders, steel pipes are arranged between the equidistant and symmetrically distributed rolling cylinders, and the operation tables are provided with adjusting mechanisms for adjusting the distance between the rolling cylinders;
the adjusting mechanism comprises an electric push rod, the electric push rod is fixedly connected to an operation table on the front side through a supporting plate, the electric push rod is electrically connected with a control terminal, a first rack connected with the front side operation table in a sliding mode is fixedly connected to the telescopic end of the electric push rod, a guide pipe is communicated between symmetrically distributed fixing sleeves, hydraulic oil is filled in the fixing sleeves and the guide pipe, except for the fixing sleeves on the right portion of the rear side, first discs fixedly connected with adjacent sliding frames are fixedly connected in the fixing sleeves in a sliding mode, first springs are fixedly connected between the first discs and the adjacent fixing sleeves, first sliding rods are connected to the fixing sleeves, the first sliding rods are fixedly connected with second discs connected with the adjacent fixing sleeves in a sliding mode, the second discs are located in the adjacent fixing sleeves, U-shaped plates are fixedly connected to the fixing sleeves, fixing rings are fixedly connected with first gears in a rotating mode, threads matched with the adjacent first gears are arranged on the first sliding rods, the first gears on the front side are meshed with the first racks, and driving assemblies used for rotating the first gears on the right portion of the rear side are arranged on the fixing sleeves.
Further, the driving assembly comprises a first fixed disc fixedly connected to the sliding frame at the right part of the rear side, the first fixed disc is slidably connected to the fixed sleeve at the right part of the rear side, a second spring is fixedly connected between the first fixed disc and the fixed sleeve at the right part of the rear side, a second sliding rod is slidably connected to the fixed sleeve at the right part of the rear side, a second fixed disc fixedly connected with the second sliding rod is slidably connected to the fixed sleeve at the right part of the rear side, a rectangular frame is fixedly connected to one end, far away from the second fixed disc, of the second sliding rod, a limiting rod is slidably connected to the rectangular frame, a second rack is fixedly connected to the limiting rod, and the second rack is meshed with the first gear at the rear side.
Further, the pitch of the first slide bar threads distributed at equal intervals on the front side is gradually increased from right to left, and the pitches of the first slide bar threads distributed at equal intervals on the rear side are equal.
Further, lubrication mechanism is arranged on the operation platform which is symmetrically distributed, lubrication mechanism is used for lubricating steel pipes, lubrication mechanism comprises a liquid collecting box, the liquid collecting box is fixedly connected between the operation platforms which are symmetrically distributed, the liquid collecting box is fixedly connected with first fixing pipes which are symmetrically distributed, the first fixing pipes are communicated with telescopic pipes, the telescopic pipes are communicated with second fixing pipes, the second fixing pipes which are symmetrically distributed are communicated with a liquid discharging shell, the liquid discharging shell is rotationally connected with a limiting wheel through a supporting plate, a filter screen is fixedly connected in the liquid collecting box, a pump which is symmetrically distributed and is electrically connected with a control terminal is fixedly connected in the liquid collecting box, the pump is communicated with the adjacent first fixing pipes, a first fixing plate is fixedly connected in the liquid discharging shell, a sliding rod is slidably connected with the first fixing plate, a limiting ball is fixedly connected between the limiting ball and the first fixing plate, and the liquid discharging shell is provided with a through hole which is matched with the limiting ball.
Further, the height of the lower side of the limiting ball is lower than that of the lower side of the limiting wheel.
Further, still including pushing mechanism, pushing mechanism sets up in one side of operation panel, pushing mechanism is used for carrying the steel pipe, pushing mechanism is including the base, the base rigid coupling has the servo motor who is connected with the control terminal electricity, servo motor's output shaft rigid coupling has the round platform body, the base rigid coupling has the second fixed plate, the second fixed plate rotates and is connected with the threaded rod, threaded rod spline connection has the slip disc with round platform body meshing, base sliding connection has the deflector with threaded rod screw-thread fit, the deflector rigid coupling has the dead lever, the dead lever rigid coupling has with steel pipe complex spacing dish, the base is provided with the regulation part that is used for adjusting spacing dish travel speed, the mount rigid coupling is in the base.
Further, the adjusting part comprises a fixing frame, the fixing frame is connected with a third sliding rod in a sliding mode, a ring is fixedly connected with the third sliding rod, a tension spring is fixedly connected between the ring and the fixing frame, a sliding ring which is rotationally connected with the sliding disc is fixedly connected with the ring, and a cleaning assembly for scraping an oxide layer on the steel tube is arranged on the ring.
Further, the cleaning assembly comprises a guide sleeve, the guide sleeve is rotationally connected to the circular ring, scraping plates distributed at equal intervals in the circumferential direction are fixedly connected to the guide sleeve through supporting blocks, a second gear is fixedly connected to the guide sleeve, a third gear meshed with the second gear is fixedly connected to the threaded rod, a waste bin is fixedly connected to the base, and the guide sleeve is in a circular truncated cone shape.
Further, the right side of the scraping plate is a straight plate, the left side of the scraping plate is an arc-shaped plate, and the right side of the straight plate part of the scraping plate is triangular.
Compared with the prior art, the invention has the following advantages: when the steel pipes with different diameters are hot rolled, the distance between the rolling cylinders is automatically adjusted to be equal to the diameter of the steel pipe, the steel pipe is ensured to smoothly pass through the rolling cylinders, the distance between the two rolling cylinders which are symmetrical from right to left is gradually reduced, the steel pipe is gradually extruded, lubricating oil is smeared on the steel pipe before hot rolling, the lubricating property of the steel pipe is increased, the steel pipe is ensured to smoothly carry out the hot rolling process, excessive lubricating oil is filtered and collected, the lubricating oil after collection is recycled, resources are saved, the oxidation layer on the outer side surface of the steel pipe is scraped through the continuously rotating scraping plate, uneven stress on the outer side of the steel pipe is avoided, the conveying speed of the steel pipe is adjusted according to the distribution condition of the oxidation layer on the steel pipe, when the distribution of the oxidation layer on the steel pipe is excessive, the conveying speed of the steel pipe is reduced, the scraping time of the scraping plate on the oxidation layer is increased, the cleaning effect of the thicker oxidation layer is improved, when the distribution of the oxidation layer on the steel pipe is too small, the conveying speed of the steel pipe is increased, the steel pipe is ensured to rapidly pass through the rolling cylinder to finish the hot rolling process, and the hot rolling efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of an adjusting mechanism according to the present invention;
FIG. 3 is a schematic diagram of the three-dimensional structure of the rolling cylinder and the electric parts of the steel pipe;
FIG. 4 is a schematic perspective view of the first slide bar and the first gear;
FIG. 5 is a schematic perspective view of a driving assembly according to the present invention;
FIG. 6 is a schematic perspective view of a lubrication mechanism according to the present invention;
FIG. 7 is a schematic perspective view of the liquid discharge housing and the limiting ball of the present invention;
FIG. 8 is a schematic perspective view of a pushing mechanism according to the present invention;
fig. 9 is a schematic perspective view of a cleaning assembly according to the present invention.
Part names and serial numbers in the figure: 1-operation table, 101-steel tube, 2-backup roll, 3-fixed sleeve, 4-carriage, 5-rolling cylinder, 601-electric push rod, 602-first rack, 603-guide tube, 604-first disk, 605-first spring, 606-first slide bar, 607-second disk, 608-U-shaped plate, 609-fixed ring, 610-first gear, 701-first fixed disk, 702-second spring, 703-second slide bar, 704-second fixed disk, 705-rectangular frame, 706-stop bar, 707-second rack, 801-header, 8011-filter screen, 802-first fixed tube, 8021-pump, 803-extension tube, 804-second fixed tube, 805-drain housing, 806-stop wheel, 807-first fixed plate, 808-slide bar, limit ball, 901-base, 902-servo motor, 903-body, 904-second fixed plate, 905-threaded rod, 906-sliding disk, 907-guide plate, 908-fixed bar, 1001-stop disc, 1003-stop disc, 8011-third gear, 1101-guide plate, 1101-second guide plate, 1003-stop disc, 8011-guide plate, 8011-third guide ring, 806-guide ring, 8011-guide ring, 803-guide ring.
Detailed Description
The following describes in detail the preferred embodiments of the present invention with reference to the accompanying drawings.
Example 1: the utility model provides a hot rolling device is used in steel pipe processing of preapring for an unfavorable turn of events shape, as shown in fig. 1-4, including two operation panel 1 of front and back symmetric distribution, operation panel 1 of front side is provided with control terminal, operation panel 1 of symmetric distribution is connected with two backing rolls 2 of bilateral symmetry through the bracing piece rotation, backing roll 2 is used for supporting steel pipe 101, operation panel 1 rigid coupling has five fixed sleeve 3 of controlling equidistant distribution, fixed sleeve 3 sliding connection has carriage 4, carriage 4 rotates and is connected with rolling section of thick bamboo 5, be provided with steel pipe 101 between ten rolling section of thick bamboo 5 of equidistant and symmetric distribution, operation panel 1 is provided with the adjustment mechanism who is used for adjusting the distance between the rolling section of thick bamboo 5.
As shown in fig. 2-5, the adjustment mechanism comprises an electric push rod 601, the electric push rod 601 is fixedly connected to the right part of the front side operation table 1 through a supporting plate, the electric push rod 601 is electrically connected with a control terminal, a first rack 602 slidably connected with the front side operation table 1 is fixedly connected to the telescopic end of the electric push rod 601, a conduit 603 is communicated between two symmetrically distributed fixed sleeves 3, hydraulic oil is filled in each of the fixed sleeves 3 and the conduit 603, the conduit 603 ensures hydraulic oil communication in the two symmetrically distributed fixed sleeves 3, the fixed sleeves 3 at the right part of the rear side are all slidably connected with a first disc 604 fixedly connected with an adjacent sliding frame 4, a first spring 605 is fixedly connected between the first disc 604 and the adjacent fixed sleeve 3, the first spring 605 is located on the outer side of the adjacent sliding frame 4, a second disc 607 is arranged on the adjacent fixed sleeve 3, the second disc 607 is located in the adjacent fixed sleeve 3, the fixed sleeve 3 fixedly connected with the first disc 604, the first disc 607 is provided with a U608, the first disc 609 is meshed with a first rack 610, and the first rack is meshed with the first rack 610, and the first side of the first rack is rotatably connected with the first rack 610, and the first rack is rotatably meshed with the first rack 610.
As shown in fig. 3 and 5, the driving assembly includes a first fixing disc 701, the first fixing disc 701 is fixedly connected to the rear right sliding frame 4, the first fixing disc 701 is slidably connected to the rear right fixing sleeve 3, a second spring 702 is fixedly connected between the first fixing disc 701 and the rear right fixing sleeve 3, the second spring 702 is located at the outer side of the rear right adjacent sliding frame 4, the rear right fixing sleeve 3 is slidably connected with a second sliding rod 703, the rear right fixing sleeve 3 is slidably connected with a second fixing disc 704 fixedly connected to the front end of the second sliding rod 703, the rear end of the second sliding rod 703 is fixedly connected with a rectangular frame 705, the rectangular frame 705 is slidably connected with a limiting rod 706, the rectangular frame 705 moves backward to drive the limiting rod 706 to move rightward, a second rack 707 slidably connected to the rear operating platform 1 is meshed with a first gear 610 on the rear side, the second rack 707 moves rightward to drive the rear four first gears 610 to rotate, the front equidistant first right sliding rod 606 is threaded at equal pitch intervals, and the pitch of the rear equidistant first sliding rod 606 is gradually increased leftward.
When the hot rolling device is required to be used for hot rolling the steel pipe 101, an operator firstly inserts a core rod into the heated steel pipe 101 and conveys the steel pipe 101 leftwards, the left end of the steel pipe 101 is firstly contacted with the right supporting roller 2, in an initial state, the distance between two rolling cylinders 5 which are symmetrical front and back is smaller than the diameter of the steel pipe 101, when the left end of the steel pipe 101 is contacted with the two rolling cylinders 5 which are far right, the two rolling cylinders 5 which are far right are mutually far away after being extruded, taking the two rolling cylinders 5 which are far right as an example, the rolling cylinders 5 which are far right drive the first disc 604 to move forwards through the sliding frame 4, the first spring 605 is stretched, hydraulic oil in the fixed sleeve 3 is pushed into the fixed sleeve 3 which is at the rear side through the first disc 604, the rolling cylinders 5 which are far away from each other drive the first fixed disc 701 to move backwards through the sliding frame 4, the second spring 702 is stretched, at this time, the content of hydraulic oil in the fixed sleeve 3 at the right part of the rear side is increased, hydraulic oil in the fixed sleeve 3 at the right part of the rear side pushes the second fixed disc 704 to move backwards, the second fixed disc 704 drives the rectangular frame 705 to move backwards through the second sliding rod 703, the rectangular frame 705 extrudes the limiting rod 706 to move rightwards, the limiting rod 706 drives the second rack 707 to move rightwards, the second rack 707 drives the first gear 610 at the rear side to rotate, the first gear 610 at the rear side is taken as an example, the first sliding rod 606 rotates to drive the first sliding rod 606 to move backwards, the first sliding rod 606 drives the second disc 607 to move backwards, the pressure in the fixed sleeve 3 at the rear side is reduced, the hydraulic oil in the fixed sleeve 3 at the front side enters the fixed sleeve 3 at the rear side through the guide pipe 603, the two rolling cylinders 5 are far away from each other, the eight rolling cylinders 5 at the left side are far away from each other, the distance between the eight symmetrically distributed rolling cylinders 5 on the left side is guaranteed to be equal to the distance between the two rolling cylinders 5 on the rightmost side, and in summary, when the steel pipes 101 with different diameters are hot rolled, the distance between the rolling cylinders 5 is automatically adjusted, so that the distance between the rolling cylinders 5 is equal to the diameter of the steel pipes 101, the steel pipes 101 are guaranteed to smoothly pass through the rolling cylinders 5, and the overall distance adjusting process between the rolling cylinders 5 is completed.
After the overall distance adjustment process between the rolling cylinders 5 is completed, the distance between the rolling cylinders 5 needs to be gradually reduced from right to left, the rolling cylinders 5 are guaranteed to gradually extrude the steel pipe 101, the steel pipe 101 is prevented from being extruded by the rolling cylinders 5 directly at the minimum distance, deformation occurs after the steel pipe 101 is extruded instantly, and wrinkles occur on the outer side of the steel pipe 101, so that the distance between the rolling cylinders 5 needs to be gradually reduced when the steel pipe 101 is in contact with the rolling cylinders 5, and the method comprises the following specific operations: the control terminal starts the electric push rod 601, the telescopic end of the electric push rod 601 drives the first rack 602 to move leftwards, the first rack 602 drives the five first gears 610 on the front side to rotate, the first gears 610 drive the second round discs 607 to move backwards through the first sliding rods 606, the thread pitch of threads on the first sliding rods 606 from right to left is gradually increased, therefore, the distance from right to left of the second round discs 607 to move backwards is increased, the distance between two symmetrical rolling cylinders 5 from right to left is gradually reduced, the steel tube 101 is gradually extruded, after the distance between the two symmetrical rolling cylinders 5 from right to left is proper, the control terminal closes the electric push rod 601, an operator adjusts the change rate of the distance between the two rolling cylinders 5 from right to left through the control terminal by adjusting the telescopic length of the telescopic end of the electric push rod 601, after the steel tube 101 moves out from the two rolling cylinders 5 from the leftmost side, the operator takes down the steel tube 101 after the steel tube 101 is hot rolled, the operator continues to carry out the hot rolling on other steel tubes 101 after the hot rolling of the steel tube 101.
Example 2: on the basis of the embodiment 1, as shown in fig. 1, 6 and 7, the device further comprises a lubrication mechanism, the lubrication mechanism is arranged on the symmetrically distributed operation tables 1, the lubrication mechanism is used for lubricating the steel pipes 101, the lubrication mechanism comprises a liquid collecting box 801, the liquid collecting box 801 is fixedly connected to the right side between the two operation tables 1, the liquid collecting box 801 is fixedly connected with two first fixing pipes 802 which are symmetrically distributed front and back, the upper side of the first fixing pipe 802 is communicated with a telescopic pipe 803, the upper side of the telescopic pipe 803 is communicated with a second fixing pipe 804, the middle parts of the two symmetrically distributed second fixing pipes 804 are communicated with a liquid discharging shell 805, in an initial state, the telescopic pipe 803 is in a compression state, the telescopic pipe 803 supports the liquid discharging shell 805 through the second fixing pipe 804, the outer side surface of the liquid discharging shell 805 is rotationally connected with two limit wheels 806 which are symmetrically distributed left and right through a supporting plate, the filter screen 8011 is fixedly connected in the liquid collecting box 801, the pumps 8021 which are symmetrically distributed and are electrically connected with the control terminal are fixedly connected in the liquid collecting box 801, the pumps 8021 are located on the lower side of the filter screen 8011, the pumps 8021 are communicated with the adjacent first fixed pipes 802, a first fixed plate 807 is fixedly connected in the liquid discharging shell 805, the first fixed plate 807 is slidably connected with a sliding rod 808, a limiting ball 809 is fixedly connected to the lower end of the sliding rod 808, a spring is fixedly connected between the limiting ball 809 and the first fixed plate 807, the spring of the limiting ball 809 is located on the outer side of the sliding rod 808, the liquid discharging shell 805 is provided with a through hole matched with the limiting ball 809, and the lower side of the limiting ball 809 is lower than the lower side of the limiting wheel 806, so that when the steel pipe 101 is contacted with the limiting ball 809, the limiting ball 809 releases sealing of the through hole of the liquid discharging shell 805.
Before the steel pipe 101 is hot rolled, lubricating oil needs to be smeared on the outer side of the steel pipe 101, so that the lubricity of the steel pipe 101 is increased, the smooth hot rolling process of the steel pipe 101 is ensured, and the concrete operation is as follows: in the initial state, the height of the lower side of the limiting wheel 806 is slightly lower than the height of the upper side of the steel pipe 101 in the compressed state, before the steel pipe 101 is contacted with the two right rolling cylinders 5, the upper left side of the steel pipe 101 extrudes the limiting wheel 806 on the right side, the limiting wheel 806 is extruded to move upwards, the limiting wheel 806 drives the drain shell 805 to move upwards through the supporting plate, the drain shell 805 drives the two second fixed pipes 804 to move upwards, the two telescopic pipes 803 are stretched, when the limiting wheel 806 is positioned on the upper side of the steel pipe 101, the limiting wheel 806 does not move upwards any more, the drain shell 805 moves leftwards along with the steel pipe 101, after the steel pipe 101 is contacted with the limiting ball 809, the steel pipe 101 moves leftwards to extrude the limiting ball 809 to move upwards due to the fact that the lower side of the limiting ball 809 is lower than the lower side of the limiting wheel 806, the spring on the limiting ball 809 is compressed, the limiting ball 809 releases the blocking of the drain shell 805, the lubricating oil in the drain shell 805 flows downwards through a gap between the limiting ball 809 and the drain shell 805, the lubricating oil drops downwards along with the action of gravity on the steel pipe 101, and finally the lubricating oil drops from the outer side of the steel pipe 101 along with the action of the steel pipe 101.
The lubricating oil that drops gets into header 801, when lubricating oil gets into header 801, the filtering of lubricating oil through filter screen 8011, impurity in the lubricating oil is intercepted on filter screen 8011, get rid of impurity in the lubricating oil, the lubricating oil after filtering is piled up in header 801, control terminal starts two pumps 8021, pump 8021 gets into the drain housing 805 with the lubricating oil of the bottom in the header 801 through first fixed pipe 802, pump 8021, flexible pipe 803 and second fixed pipe 804, participate in the lubrication process of next time again, when steel pipe 101 moves to limit ball 809 left side, steel pipe 101 no longer is spacing to limit ball 809, the spring reset on limit ball 809 drives limit ball 809 and moves down the through-hole shutoff of drain housing 805, lubricating oil no longer discharges in drain housing 805, control terminal closes two pumps 8021 simultaneously, in the lubricated in-process to drain housing 805, because the height of limit ball 809 downside is less than the height of limit wheel downside, consequently, limit ball 809 is pressed upward by steel pipe 101 at every turn and moves constantly, guarantee diameter is different when the steel pipe 101 moves to the left side, the limit ball 809 carries out the lubrication, the hot rolling resource is guaranteed to the lubrication is carried out to the filter oil, the unnecessary is accomplished to the lubrication ball 101, the oil is discharged to the filter oil is basically is removed, the oil is completely to the oil is filtered to the oil is finished to the oil 101 after the hot rolling resource is finished.
Example 3: on the basis of embodiment 2, as shown in fig. 1, 8 and 9, the steel pipe conveying device further comprises a pushing mechanism, the pushing mechanism is arranged on the right side of the operation table 1, the pushing mechanism is used for conveying the steel pipe 101, the pushing mechanism comprises a base 901, the base 901 is located on the right side of the operation table 1, a servo motor 902 electrically connected with a control terminal is fixedly connected to the front side of the upper surface of the base 901, the servo motor 902 is obliquely arranged, an output shaft of the servo motor 902 is fixedly connected with a circular truncated cone 903, a second fixing plate 904 is fixedly connected to the middle of the base 901, the second fixing plate 904 is rotatably connected with a threaded rod 905, a sliding disc 906 meshed with the circular truncated cone 903 is in spline connection with the threaded rod 905, the base 901 is slidably connected with a guide plate 907 in threaded fit with the threaded rod 905, the threaded rod 905 rotates to drive the guide plate 907 to move, the guide plate 907 is fixedly connected with a fixing rod 908, the fixing rod 908 is fixedly connected with a limiting disc 909 matched with the steel pipe 101, the limiting disc 909 is composed of two cylinders of the size, and the left side of the limiting disc 909 is inserted into the right side of the steel pipe 101, the limiting disc 909 limits the steel pipe 101, and an adjusting part for adjusting the moving speed of the limiting disc 909 is arranged on the base.
As shown in fig. 8 and 9, the adjusting component includes a fixing frame 1001, the fixing frame 1001 is fixedly connected to a base 901, the fixing frame 1001 is composed of two L-shaped plates and a circular ring, the upper side of the fixing frame 1001 is slidingly connected with a third sliding rod 1002, the left end of the third sliding rod 1002 is fixedly connected with a circular ring 1003, a tension spring 1004 is fixedly connected between the circular ring 1003 and the fixing frame 1001, the lower side of the circular ring 1003 is fixedly connected with a sliding ring 1005 rotationally connected with a sliding disc 906, and the circular ring 1003 is provided with a cleaning assembly for scraping an oxide layer on the steel tube 101.
As shown in fig. 1, 8 and 9, the cleaning assembly comprises a guide sleeve 1101, the guide sleeve 1101 is rotatably connected to a circular ring 1003, the guide sleeve 1101 is in a circular truncated cone shape, the inner diameter of the right side of the guide sleeve 1101 is smaller than the inner diameter of the left side, the inner side surface of the guide sleeve 1101 is fixedly connected with scraping plates 1102 distributed at equal intervals in the circumferential direction through supporting blocks, the right side of each scraping plate 1102 is a straight plate, the left side of each scraping plate 1102 is an arc plate, the right side of the straight plate part of each scraping plate 1102 is triangular, when the triangular part of each scraping plate 1102 contacts with an oxide layer, the oxide layer is damaged by the triangular part of each scraping plate 1102, a second gear 1103 is fixedly connected to the left side of the outer side surface of the guide sleeve 1101, a third gear 1104 meshed with the second gear 1103 is fixedly connected to the left end of the threaded rod 905, the width of the third gear 1104 is larger than the width of the second gear 1103, a waste bin is fixedly connected to the base 901, and the oxide layer in the guide sleeve 1101 moves leftwards into the waste bin 1105.
After the steel pipe 101 is heated, an oxide layer is formed on the outer side of the steel pipe 101, the oxide layer formed by the steel pipe 101 is not uniformly distributed, if the steel pipe 101 carrying the oxide layer is directly contacted with the rolling drum 5, the rolling drum 5 is preferentially contacted with the oxide layer on the outer side of the steel pipe 101, but is not directly contacted with the steel pipe 101, so that uneven stress on the outer side of the steel pipe 101 is caused to influence the hot rolling process of the steel pipe 101, and therefore, the oxide layer on the outer side of the steel pipe 101 needs to be removed before the steel pipe 101 is lubricated, and the concrete operation is as follows: an operator uses a mechanical gripper to transversely place the steel pipe 101 on the right side of the guide sleeve 1101, inserts the left end of the steel pipe 101 between the scrapers 1102 distributed circumferentially, then starts the servo motor 902 through a control terminal, the output shaft of the servo motor 902 drives the round table 903 to rotate, the round table 903 drives the threaded rod 905 to rotate through the sliding disc 906, the threaded rod 905 drives the guide plate 907 to move leftwards, the guide plate 907 drives the limiting disc 909 to move leftwards through the fixing rod 908, when the left end of the limiting disc 909 is clamped into the right side of the steel pipe 101, as shown in fig. 9, the limiting disc 909 limits the right side of the steel pipe 101, at the moment, the control terminal does not use the mechanical gripper to grasp the steel pipe 101 any more, then the limiting disc 909 pushes the steel pipe 101 leftwards, and the steel pipe 101 gradually moves leftwards.
In the process that the steel pipe 101 moves leftwards, the threaded rod 905 drives the third gear 1104 to rotate, the third gear 1104 drives the guide sleeve 1101 to rotate anticlockwise (right view direction) through the second gear 1103, the guide sleeve 1101 drives the scraper 1102 to rotate anticlockwise (right view direction) through the supporting block, the scraper 1102 gradually scrapes the oxide layer on the outer side face of the steel pipe 101, the right side of the scraper 1102 is triangular, when the right side of the scraper 1102 contacts with the oxide layer, the scraper 1102 gradually changes the oxide layer into a strip shape, and as the steel pipe 101 continuously moves leftwards, when the strip-shaped oxide layer on the outer side of the steel pipe 101 contacts with the left side of the scraper 1102, the left side of the scraper 1102 scrapes the strip-shaped oxide layer, the scraper 1102 is matched with the scraper 1102 to continuously and slowly rotate to remove the oxide layer on the outer side of the steel pipe 101 (the right side of the scraper 1102 is prevented from being damaged due to the fact that the right triangular part of the scraper 1102 is damaged due to the too fast rotating speed), the scraped oxide layer enters the guide sleeve 1101, and is guided into the waste bin 1105 by the guide sleeve 1101 to be collected.
In the process of transporting the steel pipe 101 after the steel pipe 101 is heated, when the steel pipe 101 is transported, vibration occurs to cause the falling of partial oxide layers on the steel pipe 101, so that the distribution of the oxide layers on the steel pipe 101 is uneven, when the oxide layers on the steel pipe 101 are processed, the conveying speed of the steel pipe 101 needs to be regulated according to the distribution condition of the oxide layers on the steel pipe 101, when the distribution of the oxide layers on the steel pipe 101 is excessive, the conveying speed of the steel pipe 101 needs to be reduced, the scraping time of the scraper 1102 on the oxide layers is increased, the cleaning effect on thicker oxide layers is improved, and when the distribution of the oxide layers on the steel pipe 101 is too little, the conveying speed of the steel pipe 101 needs to be increased, the steel pipe 101 is guaranteed to rapidly pass through the rolling drum 5 to complete the hot rolling process, and the hot rolling efficiency is improved. When the oxide layer on the steel pipe 101 is excessively distributed, the thrust of the oxide layer on the steel pipe 101 to the scraper 1102 is increased, the oxide layer on the steel pipe 101 extrudes the scraper 1102 leftwards, the scraper 1102 is extruded and then drives the material guiding sleeve 1101 to move leftwards through the supporting block, the material guiding sleeve 1101 drives the circular ring 1003 to move leftwards, the tension spring 1004 is stretched, the circular ring 1003 drives the third sliding rod 1002 and the sliding ring 1005 to move leftwards, the sliding ring 1005 drives the sliding disc 906 to move leftwards, the transmission ratio between the sliding disc 906 and the round table 903 is reduced, the rotation speed of the sliding disc 906 is reduced, the speed of the limiting disc 909 pushes the steel pipe 101 to move leftwards is reduced, the cleaning time of the oxide layer on the steel pipe 101 by the scraper 1102 is prolonged, the oxide layer on the steel pipe 101 is deeply processed, when the distribution of the oxide layer on the steel pipe 101 is excessively reduced, the resistance born by the scraper 1102 is reduced, the tension spring 1004 resets and drives the circular ring 1003 to move rightwards, the rotation speed of the sliding disc 906 is increased, the speed of the steel pipe 101 moves leftwards, the steel pipe 101 moves leftwards for hot rolling, when the steel pipe 101 passes through the material guiding sleeve 1101, the output shaft of the control terminal control servo motor rotates reversely, the fixed rod 908 and the limiting disc 908 moves leftwards, the limiting disc 908 and the limiting disc 908 is controlled to stop the process of the steel pipe 101, and the other steps are removed continuously.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a hot rolling device is used in steel pipe processing of preventing deformation, including symmetrical distribution's operation panel (1), operation panel (1) are provided with control terminal, characterized by: the operation table (1) which is symmetrically distributed is rotationally connected with a supporting roller (2) through a supporting rod, the operation table (1) is fixedly connected with fixed sleeves (3) which are distributed at equal intervals, the fixed sleeves (3) are slidably connected with sliding frames (4), the sliding frames (4) are rotationally connected with rolling cylinders (5), steel pipes (101) are arranged between the rolling cylinders (5) which are distributed at equal intervals and are symmetrically, and the operation table (1) is provided with an adjusting mechanism for adjusting the distance between the rolling cylinders (5);
the adjusting mechanism comprises an electric push rod (601), the electric push rod (601) is fixedly connected to an operation table (1) at the front side through a supporting plate, the electric push rod (601) is electrically connected with a control terminal, a first rack (602) which is in sliding connection with the operation table (1) at the front side is fixedly connected to the telescopic end of the electric push rod (601), a guide pipe (603) is communicated between the symmetrically distributed fixing sleeves (3), hydraulic oil is filled in the fixing sleeves (3) and the guide pipe (603), except for the fixing sleeve (3) at the right part at the rear side, first discs (604) fixedly connected with adjacent sliding frames (4) are fixedly connected in the fixing sleeves (3) in a sliding manner, a first spring (605) is fixedly connected between the first discs (604) and the adjacent fixing sleeves (3), a second disc (607) which is in sliding connection with the adjacent fixing sleeve (3) is fixedly connected with the first disc (606), the second disc (607) is positioned in the adjacent fixing sleeve (3), a first disc (604) is fixedly connected with a first ring gear (609) fixedly connected with the first ring gear (608), the first slide bar (606) is provided with threads matched with adjacent first gears (610), the first gears (610) on the front side are meshed with the first racks (602), and the fixed sleeve (3) on the right part on the rear side is provided with a driving assembly for rotating the first gears (610) on the rear side.
2. A hot rolling apparatus for forming a steel pipe, which is resistant to deformation, according to claim 1, wherein: the driving assembly comprises a first fixed disc (701), the first fixed disc (701) is fixedly connected to a rear right sliding frame (4), the first fixed disc (701) is slidably connected to a rear right fixed sleeve (3), a second spring (702) is fixedly connected between the first fixed disc (701) and the rear right fixed sleeve (3), a second sliding rod (703) is slidably connected to the rear right fixed sleeve (3), a second fixed disc (704) fixedly connected with the second sliding rod (703) is slidably connected to the rear right fixed sleeve (3), a rectangular frame (705) is fixedly connected to one end, far away from the second fixed disc (704), of the second sliding rod (703), a limiting rod (706) is slidably connected to the rectangular frame (705), a second rack (707) is fixedly connected to the rear operating table (1), and the second rack (707) is meshed with the rear first gear (610).
3. A hot rolling apparatus for forming a steel pipe, which is resistant to deformation, according to claim 1, wherein: the pitch of the threads of the first sliding rods (606) distributed at equal intervals on the front side is gradually increased from right to left, and the pitches of the threads of the first sliding rods (606) distributed at equal intervals on the rear side are equal.
4. A hot rolling apparatus for forming a steel pipe, which is resistant to deformation, according to claim 1, wherein: the automatic lubrication device comprises a lubrication mechanism, the lubrication mechanism is arranged on an operation table (1) which is symmetrically distributed, the lubrication mechanism is used for lubricating steel pipes (101), the lubrication mechanism comprises a liquid collecting box (801), the liquid collecting box (801) is fixedly connected between the operation tables (1) which are symmetrically distributed, the liquid collecting box (801) is fixedly connected with a first fixing plate (807) which is symmetrically distributed, the first fixing plate (802) is communicated with a telescopic pipe (803), the telescopic pipe (803) is communicated with a second fixing pipe (804), the second fixing pipe (804) which is symmetrically distributed is communicated with a liquid discharging shell (805), the liquid discharging shell (805) is rotationally connected with a limit wheel (806) through a support plate, a filter screen (8011) is fixedly connected in the liquid collecting box (801), a pump (8021) which is symmetrically distributed and is electrically connected with a control terminal is fixedly connected with the liquid discharging shell (805), the first fixing plate (807) is fixedly connected with a sliding rod (808), the sliding rod (808) is fixedly connected with the limit ball (809), and the limit ball (809) is fixedly connected with the first fixing plate (807) with a through hole (through which is matched with the limit ball (809).
5. A hot rolling apparatus for forming a steel pipe according to claim 4, wherein: the height of the lower side of the limit ball (809) is lower than the height of the lower side of the limit wheel (806).
6. A hot rolling apparatus for forming a steel pipe, which is resistant to deformation, according to claim 1, wherein: still including pushing mechanism, pushing mechanism sets up in one side of operation panel (1), pushing mechanism is used for carrying steel pipe (101), pushing mechanism is including base (901), base (901) rigid coupling has servo motor (902) that are connected with the control terminal electricity, servo motor (902)'s output shaft rigid coupling has round platform body (903), base (901) rigid coupling has second fixed plate (904), second fixed plate (904) rotate and are connected with threaded rod (905), threaded rod (905) spline connection has slide disc (906) with round platform body (903) meshing, base (901) sliding connection have with threaded rod (905) screw-thread fit's deflector (907), deflector (907) rigid coupling has dead lever (908), dead lever (908) rigid coupling has spacing dish (909) with steel pipe (101), base (901) are provided with the adjusting part that is used for adjusting spacing dish (moving speed.
7. A hot rolling apparatus for forming a steel pipe according to claim 6, wherein: the adjusting part comprises a fixing frame (1001), the fixing frame (1001) is fixedly connected to a base (901), the fixing frame (1001) is slidably connected with a third sliding rod (1002), a circular ring (1003) is fixedly connected to the third sliding rod (1002), a tension spring (1004) is fixedly connected between the circular ring (1003) and the fixing frame (1001), a sliding ring (1005) rotationally connected with a sliding disc (906) is fixedly connected to the circular ring (1003), and a cleaning assembly for scraping an oxide layer on the steel tube (101) is arranged on the circular ring (1003).
8. A hot rolling apparatus for forming a steel pipe according to claim 7, wherein: the cleaning assembly comprises a guide sleeve (1101), the guide sleeve (1101) is rotationally connected to a circular ring (1003), scraping plates (1102) distributed at equal intervals in the circumferential direction are fixedly connected to the guide sleeve (1101) through supporting blocks, a second gear (1103) is fixedly connected to the guide sleeve (1101), a third gear (1104) meshed with the second gear (1103) is fixedly connected to a threaded rod (905), a waste bin (1105) is fixedly connected to a base (901), and the guide sleeve (1101) is in a round table shape.
9. A hot rolling apparatus for forming a steel pipe according to claim 8, wherein: the right side of the scraping plate (1102) is a straight plate, the left side of the scraping plate is an arc-shaped plate, and the right side of the straight plate part of the scraping plate (1102) is triangular.
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| CN202310907636.3A CN116618445B (en) | 2023-07-24 | 2023-07-24 | Hot rolling device for processing deformation-preventing steel pipe |
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| CN116618445B CN116618445B (en) | 2023-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116972779A (en) * | 2023-09-22 | 2023-10-31 | 山东高原油气装备有限公司 | Detection device with location centre gripping function for steel pipe production |
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| CN116618445B (en) | 2023-09-15 |
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