CN113290059A - Guide cylinder device for rolling steel pipe - Google Patents
Guide cylinder device for rolling steel pipe Download PDFInfo
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- CN113290059A CN113290059A CN202110706439.6A CN202110706439A CN113290059A CN 113290059 A CN113290059 A CN 113290059A CN 202110706439 A CN202110706439 A CN 202110706439A CN 113290059 A CN113290059 A CN 113290059A
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- guide cylinder
- guide
- roller
- rollers
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 144
- 239000010959 steel Substances 0.000 title claims abstract description 144
- 238000005096 rolling process Methods 0.000 title claims abstract description 62
- 238000001816 cooling Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/02—Guides, supports, or abutments for mandrels, e.g. carriages or steadiers; Adjusting devices for mandrels
-
- 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
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
- B21B39/165—Guides or guide rollers for rods, bars, rounds, tubes ; Aligning guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a guide cylinder device for rolling a steel pipe, wherein the steel pipe is positioned in the guide cylinder during rolling, the bottom of the guide cylinder is contacted with two rows of long guide rollers, the two rows of long guide rollers can support the guide cylinder, the axes of the two rows of long guide rollers are parallel to the axis of the guide cylinder, and the guide cylinder is used for supporting and guiding the steel pipe during rolling; the lifting transport roller can lift, and after the lifting transport roller rises, the roller surface of the lifting transport roller can enter the guide cylinder. The guide cylinder device is arranged on two long guide rollers at the background of the pipe mill, when the outer diameter of a steel pipe to be rolled is smaller than phi 219, the guide cylinder device can support and guide the steel pipe, prevents the guide cylinder from shifting or throwing out due to throwing after the steel pipe is rolled to be separated from a mandrel by a certain length, further avoids safety risks such as steel throwing, surface damage, steel breakage and the like, and meets the requirements of the market on the oil drill collar pipe.
Description
Technical Field
The invention relates to the technical field of steel pipe rolling tools, in particular to a guide cylinder device for rolling a steel pipe.
Background
The back-stage long guide rollers of the pipe mill are limited by the design capability hardware of the equipment, so that the existing pipe mill unit can only adjust the distance between the long guide rollers for the steel pipe with the outer diameter of phi 219-phi 560, and the long guide rollers can support and guide the steel pipe in the rolling process. Because the minimum distance between the long guide rollers is fixed, when the outer diameter of the steel pipe to be rolled is smaller than phi 219, the steel pipe cannot be supported and guided in the radial direction due to the overlarge distance between the long guide rollers, and a mandrel generates rotary run-out along with the high-speed rotation of the steel pipe in the rolling process, and the head-flicking or tail-flicking phenomenon can occur in serious cases. Once large runout occurs, the normal distance between the generatrix of the uniform wall section roller and the surface of the mandrel changes, the equidistant condition between the generatrix and the surface of the mandrel is damaged, and the defect of the internal spiral channel of the rolled pierced billet is caused. The steel pipe flail head is brought along with the plug is beated, and in addition there is not support and guider, can have the whipping after the steel pipe rolling breaks away from certain length of plug, and steel pipe head is unrestricted easily to collide to low-level lift transportation roller, base etc. and lead to safety risks such as steel flail, outward appearance damage, disconnected steel, and the safety risk is very big.
The drill collar is an important component of an oil drilling tool, a drill bit is connected downwards and a weighted drill rod is connected upwards in the drill collar during drilling operation, and large alternating stress is borne during working, so that strict technical requirements are given to the drill collar by the API Spec7-1 standard. The drill collars can be classified into an integral drill collar, a spiral drill collar and the like according to the shapes; the inner hole of the drill rod is round, and the drill rod is mainly characterized by large wall thickness (equivalent to 4-6 times of the wall thickness of a common drill rod), and has larger gravity and rigidity; is usually manufactured by drilling a rolled or forged AISI 4145H chromium molybdenum steel bar.
In view of the above, there is a need for a guide tube device for rolling a steel pipe to extend and expand the rolling specifications of the steel pipe beyond the original design capability.
Disclosure of Invention
The invention aims to provide a guide cylinder device for rolling a steel pipe, which can play a role in supporting and guiding the steel pipe when the steel pipe with the outer diameter smaller than phi 219 is rolled, prevent the steel pipe from safety risks such as steel throwing, surface damage, steel breakage and the like, and meet the requirements of the market on oil drill collar pipes.
In order to achieve the above purpose, the invention provides the following technical scheme:
a guide cylinder device for rolling a steel pipe is characterized in that two rows of long guide rollers are arranged at the background of a pipe rolling machine for rolling the steel pipe, lifting transport rollers are arranged below the two rows of long guide rollers, the guide cylinder is in a cylinder shape, the steel pipe is positioned in the guide cylinder during rolling, the guide cylinder is placed between the two rows of long guide rollers, the bottom of the guide cylinder is in contact with the two rows of long guide rollers, the two rows of long guide rollers can support the guide cylinder, the axes of the two rows of long guide rollers are parallel to the axis of the guide cylinder, and the guide cylinder is used for supporting and guiding the steel pipe during rolling; the lifting transport roller can lift, after the lifting transport roller rises, the roller surface of the lifting transport roller can enter the guide cylinder, the lifting transport roller can rotate, and during operation, the rotation of the lifting transport roller can convey the steel pipe.
Further, in foretell steel pipe is guide cylinder device for rolling, long deflector roll includes a plurality of rollers, four the roller connects gradually through the roller and forms a set of long deflector roll, a plurality of groups two rows are arranged into to long deflector roll, and every is arranged adjacent two sets of through the cardan shaft connection between the long deflector roll, the pipe mill has last compression roller, it is located to go up the compression roller the guide cylinder top, it pushes down to go up the compression roller the guide cylinder and restriction the radial movement of guide cylinder.
Further, in the above guide cylinder device for rolling steel pipes, the guide cylinder device further includes two fixture blocks, one end of each fixture block is oppositely disposed on the guide cylinder, the other end of one fixture block is clamped with the end of one roller in one row of long guide rollers, and the other end of the other fixture block is clamped with the end of one roller in the other row of long guide rollers; the fixture block can limit the axial movement of the guide cylinder.
Further, in the above guide cylinder device for rolling a steel pipe, the guide cylinder includes a conical cylinder section and a cylindrical cylinder section, a small end of the conical cylinder section is communicated with one end of the cylindrical cylinder section, a large end of the conical cylinder section is an inlet end of the steel pipe, and the conical cylinder section can guide the steel pipe to enter the cylindrical cylinder section; preferably, the outer diameter of the cylinder section is 480mm-500mm, and the wall thickness of the guide cylinder is 40mm-50 mm.
Further, in the above guide device for rolling a steel pipe, the guide device further includes a plurality of support rollers, the plurality of support rollers are disposed outside an end of the cylindrical section close to the conical section, the plurality of support rollers are uniformly disposed around the guide, the support rollers can rotate, and the support rollers can provide support for the steel pipe; preferably, the support rollers are provided in three.
Further, in the above guide device for rolling a steel pipe, the support roller is connected to the guide through a bearing housing, the bearing housing is welded to an outer surface of the guide, a roller surface of the support roller enters the guide and can be brought into contact with the steel pipe, and the rotation of the support roller can rotate the steel pipe in the guide.
Further, in the above guide device for rolling a steel pipe, the guide is provided with a plurality of through holes, the roller surface of each support roller can enter the guide through one corresponding through hole, the bearing seat is fixedly connected with the outer wall of the guide, and the roller surface of the support roller protrudes out of the inner wall of the guide towards the inside of the guide, so as to prevent the surface of the steel pipe from being scratched in the guide when the steel pipe rotates.
Further, in the above guide cylinder device for rolling steel pipes, the bottom of the guide cylinder is provided with a plurality of bottom holes according to the distance between the lifting transport rollers, the roller surface of the lifting transport roller can enter the guide cylinder through the bottom holes, and when the lifting transport roller is lifted, the roller surface of the lifting transport roller is higher than the inner lower edge of the guide cylinder, so that the lifting transport roller can contact the steel pipe and convey the steel pipe out higher than the inner lower edge of the guide cylinder.
Further, in the above guide cylinder device for rolling a steel pipe, the guide cylinder device further includes a cooling spray device disposed above the guide cylinder, and the cooling spray device can spray water to the guide cylinder to cool the guide cylinder.
Further, in the guide cylinder device for rolling the steel pipe, the cooling spray device comprises a cooling water pipe, the cooling water pipe is arranged along the length direction of the guide cylinder, a water inlet is formed in the cooling water pipe, the lower end of the cooling water pipe is communicated with a plurality of nozzles, and the nozzles are uniformly arranged along the length direction of the guide cylinder; preferably, the distance between two adjacent nozzles is 100 mm.
The guide cylinder device is arranged on two long guide rollers at the background of a pipe rolling mill, and when the outer diameter of a steel pipe to be rolled is smaller than phi 219, the guide cylinder device can support and guide the steel pipe, so that the guide cylinder is prevented from shifting or throwing out due to throwing after the steel pipe is rolled to be separated from a mandrel for a certain length, and further safety risks of steel throwing, surface damage, steel breakage and the like are avoided, and the requirements of the market on oil drill collar pipes are met.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
FIG. 2 is a block diagram of a back-end assembly of an embodiment of the present invention to a pipe mill.
Fig. 3 is a schematic structural view illustrating an assembly of a guide roller and a long guide roller according to an embodiment of the present invention.
Description of reference numerals: 1, a long guide roller; 11 a roll shaft; 2, guiding a cylinder; 21 a conical section; 22 cylindrical segments; 23, a clamping block; 3, supporting the roller; 4 lifting the transport roller; 5 cooling the spraying device; 51 cooling water pipes; 52 a water inlet; 53 spray nozzles; 6, steel pipes; 7, a core rod; 8 a lifter.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," and "third," etc. may be used interchangeably to distinguish one component from another, and are not intended to denote the position or importance of the individual components.
As shown in fig. 1 to 3, according to an embodiment of the present invention, there is provided a guide roller device for rolling a steel pipe, wherein a plurality of rollers and a plurality of lifting transport rollers 4 are provided in a back stage of a pipe rolling mill for rolling a steel pipe 6, four rollers are sequentially connected through a roller shaft 11 to form a group of long guide rollers 1, the plurality of groups of long guide rollers 1 are arranged in two rows, two adjacent groups of long guide rollers 1 in each row are connected through a universal shaft, the lifting transport rollers 4 are installed below the two rows of long guide rollers 1, the guide roller 2 is in a cylindrical shape, the steel pipe 6 is positioned in the guide roller 2 during rolling, after the rolling of the steel pipe 6, the lifting transport rollers 4 are lifted up, and then the steel pipe 6 is transported out of the guide roller 2. The guide cylinder 2 is placed between the two rows of long guide rollers 1, the bottom of the guide cylinder 2 is in contact with the two rows of long guide rollers 1, the two rows of long guide rollers 1 can support the guide cylinder 2, the axes of the two rows of long guide rollers 1 are parallel to the axis of the guide cylinder 2, and the guide cylinder 2 is used for supporting and guiding the steel pipe 6 in the rolling process; the lifting transport roller 4 can lift, after the lifting transport roller 4 rises, the roller surface of the lifting transport roller 4 can enter the guide cylinder 2, the lifting transport roller 4 can rotate, and during operation, the rotation of the lifting transport roller 4 can convey the steel pipe 6. When the outer diameter of the steel pipe 6 to be rolled is smaller than phi 219, the steel pipe 6 enters from the inlet end of the guide cylinder 2 and is rolled in the guide cylinder 2, after the rolling is finished, the lifting transport roller 4 rises to enable the roller surface of the lifting transport roller 4 to enter the guide cylinder 2 and to be in contact with the steel pipe 6, and the steel pipe 6 is conveyed out from the other end of the guide cylinder 2 through the rotation of the lifting transport roller 4. The setting of guide cylinder 2 can play support and guide effect to steel pipe 6, and guide cylinder 2 can prevent that 6 rolling of steel pipe from breaking away from safe risks such as the steel of getting rid of, the outward appearance is damaged, disconnected steel that appear after 7 certain length of plug.
Further, the pipe mill has an upper press roller which is located above the guide drum 2, presses the guide drum 2 and restricts radial movement of the guide drum 2. The program is modified by the upper press roller device of the original pipe mill, so that the upper press roller always presses the guide cylinder 2, the guide cylinder 2 is prevented from moving radially in the working engineering, and the normal operation of rolling the steel pipe 6 is ensured.
Further, as shown in fig. 3, the guide cylinder device further includes two blocks 23, one ends of the two blocks 23 are oppositely disposed on the guide cylinder 2, the other end of one block 23 is clamped with the end of one roller in one row of long guide rollers 1, the other end of the other block 23 is clamped with the end of one roller in the other row of long guide rollers 1, and the blocks 23 limit the axial movement of the guide cylinder 2. The arrangement of the fixture block 23 can prevent the guide cylinder 2 from moving along the axial direction due to the swing of the steel pipe 6 in the rolling process, and ensure the normal operation of the steel pipe 6 in the rolling process.
Further, the guide cylinder 2 comprises a conical cylinder section 21 and a cylindrical cylinder section 22, the small end of the conical cylinder section 21 is communicated with one end of the cylindrical cylinder section 22, the large end of the conical cylinder section 21 is the inlet end of the steel pipe 6, and the conical cylinder section 21 can guide the steel pipe 6 to enter the cylindrical cylinder section 22. The conical cylinder section 21 can guide the steel pipe 6 to smoothly enter the cylindrical section 22 of the guide cylinder 2, so that the normal operation of rolling the steel pipe 6 is ensured.
The guide cylinder device for rolling the steel pipe is developed in order to only utilize the existing unit to roll the steel pipe with the diameter less than phi 219mm on the premise of not replacing the unit, because the existing unit can only roll the steel pipe with the diameter of phi 219 mm-phi 560 mm. The guide cylinder device for rolling the steel pipe can be used for rolling the steel pipe with the diameter of 166mm, so that the cost is saved and the benefit is increased.
In order to be able to roll steel pipes smaller than phi 219mm, in particular phi 166mm, the outer diameter of the cylinder segments 22 is between 480mm and 500mm and the wall thickness of the guide cylinder 2 is between 40mm and 50 mm. In an embodiment of the present invention, in order to save cost, the guide cylinder 2 is formed by modifying a waste steel pipe on site.
Further, as shown in fig. 1, the guide cylinder device further includes a plurality of supporting rollers 3, the plurality of supporting rollers 3 are disposed outside one end of the cylinder section 22 close to the conical cylinder section 21, the plurality of supporting rollers 3 are uniformly disposed around the guide cylinder 2, during the rolling process of the steel pipe 6, the roller surfaces of the supporting rollers 3 contact the steel pipe 6, the supporting rollers 3 can rotate and can provide support for the steel pipe 6, and the supporting rollers 3 can prevent the outer surface of the steel pipe 6 from being scratched; preferably, the number of the supporting rollers 3 is three, the three supporting rollers 3 are uniformly distributed along the circumference of the cylinder section 22 on the same vertical section, so that the radial displacement of the steel pipe 6 in the rolling process can be prevented, the steel pipe 6 is prevented from being scratched by the contact of the steel pipe 6 and the inner wall of the guide cylinder 2, the steel pipe 6 can be rotated by the rotation of the supporting rollers 3, the steel pipe 6 is conveniently rolled, the resistance of the steel pipe 6 in advancing can be reduced, and the steel pipe 6 is conveniently conveyed.
Further, the support roller 3 is connected to the guide 2 through a bearing seat welded to the outer surface of the guide 2, and the roller surface of the support roller 3 enters the guide 2 and can be in contact with the steel pipe 6, so that the steel pipe 6 can be rotated in the guide 2 by the rotation of the support roller 3.
Furthermore, the guide cylinder 2 is provided with a plurality of through holes, the number of the through holes is consistent with that of the support rollers 3, one through hole corresponds to one support roller 3, the roller surface of each support roller 3 can enter the guide cylinder 2 through the corresponding through hole, the bearing seat is fixedly connected with the outer wall of the guide cylinder 2, and the roller surface of each support roller 3 protrudes out of the inner wall of the guide cylinder 2 into the guide cylinder 2, so that the surface of the steel pipe 6 is prevented from being scratched in the guide cylinder 2 when the steel pipe 6 rotates.
Furthermore, a plurality of bottom holes are formed in the bottom of the guide cylinder 2 according to the distance between the lifting transport rollers 4, the number of the bottom holes is consistent with the number of the lifting transport rollers 4 covered by the cylinder section 22 of the guide cylinder 2, one bottom hole corresponds to one lifting transport roller 4, the roller surface of each lifting transport roller 4 can enter the guide cylinder 2 through the bottom hole, when the lifting transport rollers 4 are lifted, the roller surface of each lifting transport roller 4 is higher than the inner lower edge of the guide cylinder 2, so that the lifting transport rollers 4 are in contact with the steel pipe 6 and the steel pipe 6 is conveyed out higher than the inner lower edge of the guide cylinder 2, the steel pipe 6 is prevented from being scratched by being in contact with the inner lower edge of the guide cylinder 2 in the rolling process, the roller surface of each lifting transport roller 4 is in contact with the steel pipe 6, and the steel pipe 6 can move along the axial direction of the guide cylinder 2 through the rotation of the lifting transport rollers 4. In an embodiment of the present invention, there are five lifting transport rollers 4, the cylinder section 22 of the guide drum 2 covers four lifting transport rollers 4, and four bottom holes are opened at the bottom of the guide drum 2, so that the roller surfaces of the four lifting transport rollers 4 covered by the cylinder section 22 can enter the guide drum 2.
Further, as shown in fig. 1, the guide cylinder device further includes a cooling spray device 5, the cooling spray device 5 is disposed above the guide cylinder 2, and the cooling spray device 5 can spray water to the guide cylinder 2 for cooling the guide cylinder 2. In order to prevent the guide cylinder 2 from being heated, the two ends of the guide cylinder are deformed and tilted, the steel pipe 6 is placed in the guide cylinder 2 and cannot advance, and the cooling and spraying device 5 enables the guide cylinder 2 to be integrally and uniformly cooled by water.
Further, the cooling spray device 5 comprises a cooling water pipe 51, the cooling water pipe 51 is arranged along the length direction of the guide cylinder 2, a water inlet 52 is arranged on the cooling water pipe 51, the lower end of the cooling water pipe 51 is communicated with a plurality of nozzles 53, and the nozzles 53 are uniformly arranged along the length direction of the guide cylinder 2. The cooling of guide cylinder 2 is realized by the arrangement, and the normal operation of the equipment is ensured. Preferably, the distance between two adjacent nozzles 53 is 100mm, so that the cooling effect on the guide cylinder 2 can be improved.
Further, as shown in fig. 2, the tube mill has two elevators 8 at the back, and the elevator 8 is a two-stage elevator. Two elevators 8 are respectively connected with one ends of the two rows of long guide rollers 1 close to outlets of the guide cylinder 2, the heights of the long guide rollers 1 can be adjusted through the elevators 8, and then the heights of the guide cylinder 2 can be adjusted, so that the center line of the guide cylinder 2 is collinear with the rolling center line, and the requirement of the rolling center line is met.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
a guide cylinder device for rolling a steel pipe can design a guide cylinder 2 to replace the function of an original long guide roller 1 on a back stage according to the outer diameter of the steel pipe to be rolled and the relevant size of the back stage of a pipe rolling mill, a supporting roller 3 is added to compress the guide cylinder 2, a cooling spray device 5 is added to ensure the uniform cooling effect of the guide cylinder 2, the guide cylinder 2 is prevented from being heated and deformed to influence steel walking, a hole is formed in the bottom of the guide cylinder 2 to meet the steel walking function of a lifting transport roller 4, when the outer diameter of the steel pipe 6 to be rolled is smaller than phi 219, the guide cylinder device can play a supporting and guiding role on the steel pipe 6 to prevent the guide cylinder 2 from shifting or throwing out due to throwing after the steel pipe 6 is rolled to be separated from a mandrel 7 by a certain length, and further safety risks such as steel throwing, surface damage, steel breakage and the like occur, so that the steel pipe with the outer diameter smaller than phi 219 can be supported in the guide cylinder 2 to control great throwing, the steel pipe 6 can move smoothly in the rolling and rotating process without being restricted by the design capability of the original equipment, and the requirement of the market on the oil drill collar pipe is met.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A guide cylinder device for rolling steel pipes, the background of a pipe mill for rolling steel pipes is provided with two rows of long guide rollers, and a lifting transport roller is arranged below the two rows of long guide rollers,
the guide cylinder is cylindrical, the steel pipe is positioned in the guide cylinder during rolling,
the guide cylinder is placed between the two rows of long guide rollers, the bottom of the guide cylinder is in contact with the two rows of long guide rollers, the two rows of long guide rollers can support the guide cylinder, the axes of the two rows of long guide rollers are parallel to the axis of the guide cylinder, and the guide cylinder is used for supporting and guiding the steel pipe in the rolling process;
the lifting transport roller can lift, after the lifting transport roller rises, the roller surface of the lifting transport roller can enter the guide cylinder, the lifting transport roller can rotate, and during operation, the rotation of the lifting transport roller can convey the steel pipe.
2. The roller guide device for rolling steel pipes according to claim 1,
the long guide rollers comprise a plurality of rollers, four rollers are sequentially connected through roller shafts to form a group of long guide rollers, the long guide rollers are arranged into two rows, two adjacent groups of the long guide rollers in each row are connected through universal shafts,
the pipe mill is provided with an upper pressing roller, the upper pressing roller is located above the guide cylinder, and the upper pressing roller presses the guide cylinder and limits radial movement of the guide cylinder.
3. The roller guide device for rolling steel pipes according to claim 2,
the guide cylinder device also comprises two clamping blocks, one ends of the two clamping blocks are oppositely arranged on the guide cylinder, the other end of one clamping block is clamped with the end part of one roller in one row of long guide rollers, and the other end of the other clamping block is clamped with the end part of one roller in the other row of long guide rollers;
the fixture block can limit the axial movement of the guide cylinder.
4. The roller guide device for rolling steel pipes according to claim 1,
the guide cylinder comprises a conical cylinder section and a cylindrical cylinder section, the small end of the conical cylinder section is communicated with one end of the cylindrical cylinder section, the large end of the conical cylinder section is the inlet end of the steel pipe, and the conical cylinder section can guide the steel pipe to enter the cylindrical cylinder section;
preferably, the outer diameter of the cylinder section is 480mm-500mm, and the wall thickness of the guide cylinder is 40mm-50 mm.
5. The roller guide device for rolling steel pipes according to claim 4,
the guide cylinder device further comprises a plurality of supporting rollers, the supporting rollers are arranged outside one end, close to the conical cylinder section, of the cylindrical section, the supporting rollers are uniformly arranged around the guide cylinder, the supporting rollers can rotate, and the supporting rollers can provide support for the steel pipe;
preferably, the support rollers are provided in three.
6. The roller guide device for rolling steel pipes according to claim 5,
the support roll is connected with the guide cylinder through a bearing seat, the bearing seat is welded on the outer surface of the guide cylinder, the roll surface of the support roll enters the guide cylinder and can be in contact with the steel pipe, and the rotation of the support roll can enable the steel pipe to rotate in the guide cylinder.
7. The roller guide device for rolling steel pipes according to claim 6,
the guide cylinder is provided with a plurality of through holes, the roller surface of each supporting roller can enter the guide cylinder through one corresponding through hole, the bearing seat is fixedly connected with the outer wall of the guide cylinder, and the roller surface of each supporting roller protrudes towards the inner wall of the guide cylinder, so that the surface of the steel pipe is prevented from being scratched in the guide cylinder when the steel pipe rotates.
8. The roller guide device for rolling steel pipes according to claim 6,
the bottom of the guide cylinder is provided with a plurality of bottom holes according to the distance between the lifting transport rollers, the roller surface of the lifting transport rollers can enter the guide cylinder through the bottom holes, and when the lifting transport rollers are lifted, the roller surface of the lifting transport rollers is higher than the inner lower edge of the guide cylinder, so that the lifting transport rollers can be in contact with the steel pipe and the steel pipe is higher than the inner lower edge of the guide cylinder to be conveyed out.
9. The roller guide device for rolling steel pipes according to claim 1,
the guide cylinder device further comprises a cooling spraying device, the cooling spraying device is arranged above the guide cylinder, and the cooling spraying device can spray water to the guide cylinder to cool the guide cylinder.
10. The roller guide device for rolling steel pipes according to claim 9,
the cooling spray device comprises a cooling water pipe, the cooling water pipe is arranged along the length direction of the guide cylinder, a water inlet is formed in the cooling water pipe, the lower end of the cooling water pipe is communicated with a plurality of nozzles, and the nozzles are uniformly arranged along the length direction of the guide cylinder;
preferably, the distance between two adjacent nozzles is 100 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706439.6A CN113290059B (en) | 2021-06-24 | 2021-06-24 | Guide cylinder device for rolling steel tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706439.6A CN113290059B (en) | 2021-06-24 | 2021-06-24 | Guide cylinder device for rolling steel tube |
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| CN113290059A true CN113290059A (en) | 2021-08-24 |
| CN113290059B CN113290059B (en) | 2024-07-09 |
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| CN201275545Y (en) * | 2008-09-23 | 2009-07-22 | 太原市通泽成套设备有限公司 | Holding unit of rolled steel tube |
| CN201889316U (en) * | 2010-02-24 | 2011-07-06 | 武汉钢铁(集团)公司 | Rolled steel production line |
| CN102327903A (en) * | 2011-07-26 | 2012-01-25 | 太原通泽重工有限公司 | Guiding device for outlet platform of pipe mill |
| CN202398629U (en) * | 2012-01-19 | 2012-08-29 | 浙江明贺钢管有限公司 | Guide device for hot-rolled rodless steel pipe |
| KR20120095771A (en) * | 2011-02-21 | 2012-08-29 | 주식회사 포스코건설 | Roll device for guiding hot materials |
| CN102873113A (en) * | 2012-09-17 | 2013-01-16 | 太原通泽重工有限公司 | Outlet table for pipe rolling mill |
| CN202984287U (en) * | 2012-12-08 | 2013-06-12 | 内蒙古包钢钢联股份有限公司 | Guide tube for speed reducer of Assel tube rolling mill |
| CN203426167U (en) * | 2013-08-08 | 2014-02-12 | 浙江明贺钢管有限公司 | Guiding guide drum device with damping property |
| CN103962397A (en) * | 2014-05-30 | 2014-08-06 | 浙江明贺钢管有限公司 | After-roll guide cylinder rotating device |
| CN104148414A (en) * | 2014-08-21 | 2014-11-19 | 湖北理工学院 | Three-roll guide device applied to outlet of three-roll tube mill |
| CN206215666U (en) * | 2016-08-30 | 2017-06-06 | 林州凤宝管业有限公司 | Milling train background apparatus |
| CN208321632U (en) * | 2018-06-29 | 2019-01-04 | 宽城升华压力容器制造有限责任公司 | A kind of punch entrance guide sleeve device |
| CN112371734A (en) * | 2020-09-10 | 2021-02-19 | 太原磬泓机电设备有限公司 | Cam holding roller device of pipe rolling unit |
| CN216965791U (en) * | 2021-06-24 | 2022-07-15 | 大冶特殊钢有限公司 | Guide cylinder device for rolling steel pipe |
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2021
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| CN201275545Y (en) * | 2008-09-23 | 2009-07-22 | 太原市通泽成套设备有限公司 | Holding unit of rolled steel tube |
| CN201889316U (en) * | 2010-02-24 | 2011-07-06 | 武汉钢铁(集团)公司 | Rolled steel production line |
| KR20120095771A (en) * | 2011-02-21 | 2012-08-29 | 주식회사 포스코건설 | Roll device for guiding hot materials |
| CN102327903A (en) * | 2011-07-26 | 2012-01-25 | 太原通泽重工有限公司 | Guiding device for outlet platform of pipe mill |
| CN202398629U (en) * | 2012-01-19 | 2012-08-29 | 浙江明贺钢管有限公司 | Guide device for hot-rolled rodless steel pipe |
| CN102873113A (en) * | 2012-09-17 | 2013-01-16 | 太原通泽重工有限公司 | Outlet table for pipe rolling mill |
| CN202984287U (en) * | 2012-12-08 | 2013-06-12 | 内蒙古包钢钢联股份有限公司 | Guide tube for speed reducer of Assel tube rolling mill |
| CN203426167U (en) * | 2013-08-08 | 2014-02-12 | 浙江明贺钢管有限公司 | Guiding guide drum device with damping property |
| CN103962397A (en) * | 2014-05-30 | 2014-08-06 | 浙江明贺钢管有限公司 | After-roll guide cylinder rotating device |
| CN104148414A (en) * | 2014-08-21 | 2014-11-19 | 湖北理工学院 | Three-roll guide device applied to outlet of three-roll tube mill |
| CN206215666U (en) * | 2016-08-30 | 2017-06-06 | 林州凤宝管业有限公司 | Milling train background apparatus |
| CN208321632U (en) * | 2018-06-29 | 2019-01-04 | 宽城升华压力容器制造有限责任公司 | A kind of punch entrance guide sleeve device |
| CN112371734A (en) * | 2020-09-10 | 2021-02-19 | 太原磬泓机电设备有限公司 | Cam holding roller device of pipe rolling unit |
| CN216965791U (en) * | 2021-06-24 | 2022-07-15 | 大冶特殊钢有限公司 | Guide cylinder device for rolling steel pipe |
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