Oil removing device for inner hole of steel pipe of rolling mill

Abstract

The invention discloses a deoiling device for an inner hole of a steel pipe of a rolling mill. The deoiling device comprises a first cleaning cabin, a second cleaning cabin, a conveying mechanism and a supporting frame. The cleaning cabin I is arranged, the cleaning cabin II is connected to the rear end of the cleaning cabin I, the conveying mechanisms are arranged at the inner ends of the cleaning cabin I and the cleaning cabin II, steel pipes can be conveyed and moved conveniently, and the jacking mechanism, the cleaning mechanism, the linkage mechanism and other assemblies are arranged at the inner end of the cleaning cabin II, so that the steel pipes can be cleaned and deoiled in the cleaning cabin II; the cleaning efficiency of the steel pipes can be improved and the deoiling effect can be enhanced through multiple cleaning procedures, the whole structure is simple and stable, the steel pipes of different sizes can be cleaned, the flexibility is high, the applicability is wide, and different use requirements of people can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of auxiliary equipment for rolling mill production, and particularly to an oil removal device for the inner hole of steel pipes in a rolling mill. Background Art

[0002] A rolling mill is a device for realizing the metal rolling process, generally referring to the equipment for completing the whole process of rolled product production, and can be used for producing section steel, steel pipes, etc.

[0003] After rolling, there may be grease residues inside the steel pipe, and usually, it is necessary to remove the grease to avoid the grease residues adhering to the inner side of the steel pipe, which affects the performance of the steel pipe and reduces its service life.

[0004] Some of the existing oil removal devices have a simple structure and limited application range. When facing steel pipes of different sizes, it is necessary to replace the oil removal devices of different sizes, which is rather cumbersome, and the cleaning and oil removal effects are limited, making it difficult to meet people's usage requirements. Summary of the Invention

[0005] The purpose of the present invention is to provide an oil removal device for the inner hole of steel pipes in a rolling mill to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention adopts the following technical solutions: An oil removal device for the inner hole of steel pipes in a rolling mill includes a first cleaning chamber. The rear end of the first cleaning chamber is connected to a second cleaning chamber. A set of conveying mechanisms are provided at the inner ends of the first cleaning chamber and the second cleaning chamber. The mutually remote ends of the two sets of conveying mechanisms respectively extend to the outer ends of the first cleaning chamber and the second cleaning chamber and are connected to a support frame. A set of support rollers are provided at the top of the support frame.

[0007] A set of lifting mechanisms are provided at the inner bottom end of the second cleaning chamber, a cleaning mechanism is connected to the inner rear end, and a linkage mechanism is provided at the inner top end.

[0008] Preferably, the lifting mechanism includes a bottom groove, a first electric push rod, a lifting block, a support frame, and a roller. At least two groups of bottom grooves are equidistantly provided at the inner bottom end of the second cleaning chamber. At least two groups of first electric push rods are equidistantly provided at the bottom end of the bottom groove. The top ends of the output ends of the first electric push rods are respectively connected to a set of lifting blocks. A set of "V"-shaped support frames are provided at the top ends of the lifting blocks. Two groups of rollers are connected to the top of the support frame.

[0009] Preferably, the cleaning mechanism includes a back plate, a fixing groove, and a movable mechanism. A set of back plates are provided at the inner rear end of the second cleaning chamber. At least two groups of fixing grooves are equidistantly provided at the front end of the back plate and are connected to the movable mechanism through the fixing grooves.

[0010] The movable mechanism includes a main component, a ring water pipe, a driving mechanism, an airbag, an auxiliary arm, a roller, and a collecting pipe. The rear end of the main component is connected to the inside of the fixed slot. A ring water pipe is provided at the outer front end of the main component. A driving mechanism is provided at the middle end of the main component. A set of airbags is provided on the outer side of the main component near the driving mechanism. No less than two groups of auxiliary arms are connected to the outer rear end of the main component. A set of rollers is connected to the other end of each auxiliary arm. A set of collecting pipes is provided at the rear end of the main component.

[0011] Preferably, no less than two groups of spray heads are equidistantly provided on the outer side of the ring water pipe. A water delivery pipe is connected to the inner end of the ring water pipe, and the other end of the water delivery pipe extends to the inner rear end of the main component.

[0012] A cleaning brush is connected to the outer side of the airbag. A set of air pipes is connected to the inner end of the airbag, and the other end of the air pipe extends to the inner rear end of the main component.

[0013] Preferably, the driving mechanism includes a movable cavity, an electric push rod II, a moving rod, a groove, a gear I, a rotating arm, a moving wheel, and a motor I. A set of movable cavities is provided at the middle inner part of the main component. An electric push rod II is installed at the rear end inside the movable cavity. A moving rod is connected to the front end of the output end of the electric push rod II. A set of grooves is provided at the outer four ends of the main component corresponding to the front end inside the movable cavity. A set of gears I is provided at the front end inside the groove near the movable cavity. A set of rotating arms is connected to the end of each gear I away from the movable cavity. A set of moving wheels is provided at the other end of each rotating arm. A motor I is connected to the outer end of each moving wheel.

[0014] Preferably, the linkage mechanism includes a top groove, an electric push rod III, a top plate, a connecting plate, a rolling roller, a gear II, a motor II, and a through port. A set of top grooves is provided at the top inner part of the second cleaning chamber. A top plate is connected to the four inner ends of the top groove through an electric push rod III. A set of connecting plates is provided at the left and right ends of the bottom surface of the top plate. No less than two groups of rolling rollers are equidistantly provided on the opposite surfaces of the two connecting plates. The left ends of the rolling rollers all penetrate and extend into the left connecting plate and are connected to a gear II. A set of motor II is provided at the front left end of the left connecting plate corresponding to the front rolling roller. The driving shaft of the motor II penetrates and extends into the left connecting plate and is connected to the front gear II. A set of through ports is provided at the front end inside the second cleaning chamber, and the through port penetrates the rear end of the first cleaning chamber and communicates with its interior.

[0015] Preferably, the components of the conveying mechanism are all the same. The conveying mechanism includes connecting rollers, a third motor, a first transmission belt, a second transmission belt, and limiting teeth. A set of connecting rollers are provided at both the left and right bottom ends inside the second cleaning chamber. A set of third motors are provided at the rear end of the second cleaning chamber corresponding to the positions of the right connecting rollers. Not less than two sets of first transmission belts and second transmission belts are equidistantly provided on the outer sides of the connecting rollers. The first transmission belt is connected to the outer sides of the two connecting rollers. The other end of the second transmission belt extends to the outer end of the second cleaning chamber and is connected to a support roller. Limiting teeth are equidistantly provided on the outer sides of the first transmission belt and the second transmission belt.

[0016] Preferably, the first transmission belt and the second transmission belt are arranged alternately.

[0017] Preferably, a torsion spring is provided at the connection between the auxiliary arm and the outer side of the main part.

[0018] Preferably, the water delivery pipe and the air pipe are integrally received in the collecting pipe.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] By providing a first cleaning chamber in the present invention, the second cleaning chamber is connected to the rear end of the first cleaning chamber, and the interiors of the first cleaning chamber and the second cleaning chamber are connected. After the steel pipe is cleaned and degreased in the second cleaning chamber, it can be transferred to the first cleaning chamber for further cleaning, which can effectively improve the degreasing effect on the steel pipe.

[0021] By providing the conveying mechanism in the first cleaning chamber and the second cleaning chamber in the present invention, the automatic transportation of the steel pipe can be realized, reducing manual participation, with a high degree of automation, which can reduce the working intensity of workers and reduce labor costs.

[0022] By providing components such as a jacking mechanism, a cleaning mechanism, and a linkage mechanism in the second cleaning chamber in the present invention, the jacking mechanism can drive the steel pipe to move up and down, and the inner hole of the steel pipe can be cleaned by the cleaning mechanism, which can adapt to steel pipes of different sizes and lengths, with a wide application range and high use flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a front view structural schematic diagram of the present invention;

[0024] Figure 2 is a top view structural schematic diagram of the interiors of the first cleaning chamber and the second cleaning chamber of the present invention;

[0025] Figure 3 is a front view structural schematic diagram of the interior of the second cleaning chamber of the present invention;

[0026] Figure 4 is a structural schematic diagram of the interior of the jacking mechanism of the present invention;

[0027] Figure 5 is a left view structural schematic diagram of the cleaning mechanism of the present invention;

[0028] Figure 6 Schematic diagram of the internal structure of the movable mechanism of the present invention;

[0029] Figure 7 Front view structure diagram of the unfolded movable mechanism of the present invention;

[0030] Figure 8 Schematic diagram of the connection structure between the auxiliary arm and the outer side of the main part of the present invention;

[0031] Figure 9 Schematic diagram of the partial structure of the linkage mechanism of the present invention.

[0032] In the figure: Cleaning chamber one - 1, cleaning chamber two - 2, conveying mechanism - 3, support frame - 4, lifting mechanism - 21, cleaning mechanism - 22, linkage mechanism - 23, bottom groove - 211, electric push rod one - 212, lifting block - 213, support frame - 214, roller - 215, back plate - 221, fixed groove - 222, movable mechanism - 223, main part - 2231, annular water pipe - 2232, drive mechanism - 2233, air bag - 2234, auxiliary arm - 2235, roller - 2236, collecting pipe - 2237, nozzle - 22321, water delivery pipe - 22322, movable cavity - 22331, electric push rod two - 22332, moving rod - 22333, groove - 22334, gear one - 22335, rotating arm - 22336, moving wheel - 22337, motor one - 22338, cleaning brush - 22341, air pipe - 22342, top groove - 231, electric push rod three - 232, top plate - 233, connecting plate - 234, rolling roller - 235, gear two - 236, motor two - 237, through hole - 238, connecting roller - 31, motor three - 32, drive belt one - 33, drive belt two - 34, limit teeth - 35, support roller - 41. Detailed implementation manners

[0033] In order to further explain the technical solution of the present invention, the following is elaborated in detail through specific embodiments.

[0034] Please refer to Figures 1-3 , the present invention provides an oil removal device for the inner hole of steel pipes of a rolling mill, including a cleaning chamber one 1, a cleaning chamber two 2 is connected to the rear end of the cleaning chamber one 1, inlet and outlet water pipes are provided at the left and right ends of the cleaning chamber one 1 and the cleaning chamber two 2, and cleaning liquid can be injected into the chamber. Moreover, a heating module is provided inside the cleaning chamber two 2, which can increase the temperature of the cleaning liquid and improve the oil removal effect. A set of conveying mechanisms 3 are provided at the inner ends of the cleaning chamber one 1 and the cleaning chamber two 2, and the components of the conveying mechanisms 3 are all the same. One ends of the two conveying mechanisms 3 away from each other respectively extend to the outer ends of the cleaning chamber one 1 and the cleaning chamber two 2 and are connected to the support frame 4. A set of support rollers 41 are provided at the top of the support frame 4, which is beneficial to the feeding and discharging of steel pipes;

[0035] At the inner bottom end of the second cleaning chamber 2, there is a set of lifting mechanisms 21, at the inner rear end is connected with a cleaning mechanism 22, and at the inner top end is provided with a linkage mechanism 23.

[0036] Please refer to Figures 2-4 , the present invention provides an oil removal device for the inner hole of a rolling mill steel pipe. The lifting mechanism 21 includes a bottom groove 211, a first electric push rod 212, a lifting block 213, a support frame 214 and a roller 215. At least two groups of bottom grooves 211 are equidistantly arranged at the inner bottom end of the second cleaning chamber 2. At least two groups of first electric push rods 212 are equidistantly arranged at the inner bottom end of the bottom groove 211. At the top end of the output end of each first electric push rod 212, there is a set of lifting blocks 213 connected. The first electric push rod 212 can output the output end to drive the lifting block 213 to rise. And at the top end of each lifting block 213, there is a set of "V"-shaped support frames 214 connected. At the top end of the support frame 214, two groups of rollers 215 are connected. The roller 215 can rotate around the support frame 214. When the lifting block 213 rises, the steel pipe can be supported and fixed through the support frame 214, and the steel pipe can move between the "V"-shaped support frames 214.

[0037] Please refer to Figures 3-8 , the present invention provides an oil removal device for the inner hole of a rolling mill steel pipe. The cleaning mechanism 22 includes a back plate 221, a fixed groove 222 and a movable mechanism 223. At the inner rear end of the second cleaning chamber 2, there is a set of back plates 221, which is beneficial to the leveling of the steel pipe. At least two groups of fixed grooves 222 are equidistantly arranged at the front end of the back plate 221, and a movable mechanism 223 is connected through the fixed grooves 222;

[0038] The movable mechanism 223 includes a main part 2231, a ring water pipe 2232, a driving mechanism 2233, an air bag 2234, an auxiliary arm 2235, a roller 2236 and a collecting pipe 2237. The rear end of the main part 2231 can be connected to the inside of the fixed groove 222. At the outer front end of the main part 2231, there is a ring water pipe 2232. At least two groups of spray heads 22321 are equidistantly arranged on the outer side of the ring water pipe 2232, and water can be sprayed and flushed to the inner side of the steel pipe through the spray heads 22321. At the inner end of the ring water pipe 2232, there is a set of water pipes 22322 connected. The other end of the water pipe 22322 extends to the inner rear end of the main part 2231, and water can be conveyed into the ring water pipe 2232 through the water pipe 22322;

[0039] In the middle of the main part 2231, there is a driving mechanism 2233. Near the driving mechanism 2233 on the outer side of the main part 2231, there is a group of air bags 2234. A cleaning brush 22341 is connected to the outer side of the air bag 2234. The inner end of the air bag 2234 is connected to a group of air pipes 22342. The other end of the air pipe 22342 extends to the inner rear end of the main part 2231. Air can be injected into the air bag 2234 through the air pipe 22342 to make it expand, and the cleaning brush 22341 can contact the inner side of the steel pipe. Along with the movement of the main part 2231, the inner side of the steel pipe can be wiped and cleaned.

[0040] Not less than two groups of auxiliary arms 2235 are connected to the outer rear end of the main part 2231. A group of rollers 2236 are connected to the other ends of the auxiliary arms 2235. Among them, a torsion spring is provided at the connection between the auxiliary arm 2235 and the outer side of the main part 2231, which can adapt to steel pipes of different sizes. A collecting pipe 2237 is provided at the rear end of the main part 2231. The water delivery pipe 22322 and the air pipe 22342 are both integrally received in the collecting pipe 2237, which is beneficial to the centralized storage of the pipeline.

[0041] Please refer to Figures 5-7 , the present invention provides an oil removal device for the inner hole of a steel pipe of a rolling mill. The driving mechanism 2233 includes a movable cavity 22331, an electric push rod two 22332, a moving rod 22333, a groove 22334, a gear one 22335, a rotating arm 22336, a moving wheel 22337 and a motor one 22338. A group of movable cavities 22331 are opened in the middle of the inner part of the main part 2231. A group of electric push rod two 22332 are installed at the inner rear end of the movable cavity 22331. The front end of the output end of the electric push rod two 22332 is connected to a group of moving rods 22333. Among them, convex teeth are provided on the outer side of the moving rod 22333. A group of grooves 22334 are provided at the corresponding positions of the outer four ends of the main part 2231 near the inner front end of the movable cavity 22331. A group of gears one 22335 are provided at the positions near the movable cavity 22331 at the inner front end of the groove 22334. One end of the gear one 22335 close to the movable cavity 22331 extends into the movable cavity 22331. The moving rod 22333 is connected to the gear one 22335 through the convex teeth. When the electric push rod two 22332 outputs or retracts the output end, the gear one 22335 can be driven to rotate through the moving rod 22333 and the convex teeth thereon. A group of rotating arms 22336 are connected to the ends of the gear one 22335 far from the movable cavity 22331. A group of moving wheels 22337 are provided at the other ends of the rotating arms 22336. A group of motors one 22338 are connected to the outer ends of the moving wheels 22337. The rotation of the gear one 22335 can drive the rotating arm 22336 to rotate, so that the moving wheel 22337 fits on the inner side of the steel pipe, and the motor one 22338 is used to drive the moving wheel 22337 to rotate, so that it can drive the main part 2231 to move on the inner wall of the steel pipe, and it can adapt to steel pipes of different sizes and lengths.

[0042] Please refer to Figures 3-9 , the present invention provides an oil removal device for the inner hole of steel pipes in a rolling mill. The linkage mechanism 23 includes a top groove 231, an electric push rod three 232, a top plate 233, a connecting plate 234, a rolling roller 235, a gear two 236, a motor two 237, and a through port 238. A set of top grooves 231 are provided at the top end inside the cleaning chamber two 2. Four ends inside the top groove 231 are connected with a set of top plates 233 through the electric push rod three 232, which can drive the top plate 233 to move up and down. A set of connecting plates 234 are provided at the left and right ends of the bottom surface of the top plate 233. Not less than two sets of rolling rollers 235 are equidistantly arranged on the opposite surfaces of the two sets of connecting plates 234. Anti-slip patterns are provided on the outer sides of the rolling rollers 235 to increase the friction force. The left ends of the rolling rollers 235 all penetrate and extend into the left connecting plate 234 and are connected with the gear two 236. The outer sides of the gear two 236 are connected through a set of transmission belts, which can drive the rolling rollers 235 to rotate synchronously. A set of motors two 237 are provided at the front left end of the left connecting plate 234 corresponding to the position of the front rolling roller 235. The driving shaft of the motor two 237 penetrates and extends into the left connecting plate 234 and is connected with the front gear two 236, which can drive the gear two 236 and the rolling rollers 235 to rotate. A set of through ports 238 are provided at the front end inside the cleaning chamber two 2. The through ports 238 penetrate the rear end of the cleaning chamber one 1 and communicate with its interior, facilitating the movement of the steel pipe into the cleaning chamber one 1.

[0043] Please refer to Figures 1-3 , the present invention provides an oil removal device for the inner hole of steel pipes in a rolling mill. The components of the conveying mechanism 3 are all the same and the installation directions are opposite. The conveying mechanism 3 includes a connecting roller 31, a motor three 32, a transmission belt one 33, a transmission belt two 34, and a limiting tooth 35. A set of connecting rollers 31 are provided at the left and right bottom ends inside the cleaning chamber two 2. A set of motors three 32 are provided at the rear end of the cleaning chamber two 2 corresponding to the position of the right connecting roller 31, which can drive the connecting roller 31 to rotate through the motor three 32. Not less than two sets of transmission belts one 33 and transmission belts two 34 are equidistantly arranged on the outer sides of the connecting rollers 31, and the transmission belts one 33 and the transmission belts two 34 are arranged in an alternating manner, which is beneficial to the conveyance of the steel pipe. The transmission belt one 33 is connected to the outer sides of the two sets of connecting rollers 31. The other end of the transmission belt two 34 extends to the outer end of the cleaning chamber two 2 and is connected with the support roller 41. Limiting teeth 35 are equidistantly arranged on the outer sides of the transmission belt one 33 and the transmission belt two 34, which is beneficial to the transportation and movement of the steel pipe.

[0044] The working principle is as follows:

[0045] During use, first inject cleaning liquid into cleaning chamber 1 and cleaning chamber 2 so that the cleaning liquid can submerge the steel pipe. And cleaning chamber 2 can heat the cleaning liquid through the heating module inside it to improve the oil removal effect. The steel pipe can be transported into cleaning chamber 2 through the rear conveyor belt 34, so that the steel pipe can be soaked in the cleaning liquid for preliminary oil removal. Then start the first electric push rod 212 to drive the lifting block 213 to rise, and support and fix the steel pipe through the support frame 214 to make the inner hole of the steel pipe flush with the main part 2231. Then the third electric push rod 232 drives the top plate 233 and the rolling roller 235 to move downward to contact the top of the steel pipe. Start the second motor 237, which can drive the rolling roller 235 to rotate, so that the steel pipe moves backward between the "V"-shaped support frames 214 and is sleeved outside the main part 2231 and contacts the front of the back plate 221 for leveling. Then start the second electric push rod 22332. The second electric push rod 22332 pushes the moving rod 22333 forward and drives the first gear 22335 to rotate through the convex teeth. The rotation of the first gear 22335 can drive the rotating arm 22336 to rotate, so that the moving wheel 22337 fits inside the steel pipe, and the first motor 22338 drives the moving wheel 22337 to rotate, so that it can drive the main part 2231 to move inside the inner wall of the steel pipe. During the movement of the main part 2231, the inner side of the steel pipe can be flushed through the nozzle 22321, and the airbag 2234 drives the cleaning brush 22341 to wipe and clean the inner side of the steel pipe, realizing the oil removal and cleaning of the inner side of the steel pipe;

[0046] After cleaning, the main part 2231 returns to the fixed groove 222, and the second motor 237 is started again. The rolling roller 235 rotates in the reverse direction, so that the steel pipe can enter cleaning chamber 1 through the through port 238 for soaking, realizing secondary cleaning and oil removal, improving the oil removal efficiency, and adapting to steel pipes of different sizes and lengths, which can meet different usage requirements of people.

[0047] The above are only the preferred examples of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A rolling mill steel pipe inner hole degreasing device, characterized in that: It comprises a cleaning cabin 1 (1), the rear end of the cleaning cabin 1 (1) is connected to the cleaning cabin 2 (2), the inner ends of the cleaning cabin 1 (1) and the cleaning cabin 2 (2) are both provided with a group of conveying mechanisms (3), the ends of the two groups of conveying mechanisms (3) that are away from each other respectively extend to the outer ends of the cleaning cabin 1 (1) and the cleaning cabin 2 (2), and are connected to a support frame (4), and the top end of the support frame (4) is provided with a group of supporting rollers (41); The inner bottom end of the cleaning cabin 2 (2) is provided with a lifting mechanism (21), the inner rear end is connected with a cleaning mechanism (22), and the inner top end is provided with a linkage mechanism (23).

2. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 1, characterized in that: The lifting mechanism (21) comprises a bottom groove (211), an electric push rod (212), a lifting block (213), a support frame (214) and a roller (215); at least two groups of bottom grooves (211) are arranged at equal intervals at the bottom end of the cleaning cabin (2); at least two groups of electric push rods (212) are arranged at equal intervals at the bottom end of the bottom groove (211); the top end of the output end of the electric push rod (212) is connected to a group of lifting blocks (213); the top end of the lifting block (213) is provided with a group of "V"-shaped support frames (214); the top end of the support frame (214) is connected to two groups of rollers (215).

3. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 1, characterized in that: The cleaning mechanism (22) comprises a back plate (221), a fixed groove (222) and a movable mechanism (223); a group of back plates (221) are provided at the rear end of the cleaning cabin 2 (2); and at least two groups of fixed grooves (222) are provided at the front end of the back plate (221) at equal intervals, and the movable mechanism (223) is connected via the fixed grooves (222); The movable mechanism (223) comprises a main part (2231), a water ring (2232), a driving mechanism (2233), an air bag (2234), an auxiliary arm (2235), a roller (2236) and a collecting pipe (2237). The rear end of the main part (2231) is connected to the inside of the fixed groove (222). The front end of the main part (2231) is provided with a water ring (2232). The middle end of the main part (2231) is provided with a driving mechanism (2233). A group of air bags (2234) is provided at the outer side of the main part (2231) near the driving mechanism (2233). The rear end of the main part (2231) is connected to at least two groups of auxiliary arms (2235). The other ends of the auxiliary arms (2235) are all connected to a group of rollers (2236). The rear end of the main part (2231) is provided with a group of collecting pipes (2237).

4. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 3, characterized in that: At least two groups of nozzles (22321) are arranged at equal intervals on the outside of the annular water pipe (2232); the inner end of the annular water pipe (2232) is connected to a group of water pipes (22322); the other end of the water pipes (22322) extends to the rear end of the main part (2231); The outside of the airbag (2234) is connected to a cleaning brush (22341), the inner end of the airbag (2234) is connected to a group of air pipes (22342), and the other end of the air pipes (22342) extends to the rear end of the main component (2231).

5. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 3, characterized in that: The driving mechanism (2233) comprises an active cavity (22331), a second electric push rod (22332), a moving rod (22333), a groove (22334), a first gear (22335), a rotating arm (22336), a moving wheel (22337) and a first motor (22338); a group of active cavities (22331) is provided at the middle end of the main component (2231); a group of second electric push rods (22332) is installed at the rear end of the active cavity (22331); a group of moving rods (22333) are connected to the front end of the output end of the second electric push rod (22332) ), a group of grooves (22334) are provided at the four outer ends of the main part (2231) corresponding to the front end of the inner side of the movable cavity (22331), a group of gears (22335) are provided at the front end of the inner side of the groove (22334) close to the movable cavity (22331), one end of the gear (22335) away from the movable cavity (22331) is connected to a group of rotating arms (22336), the other end of the rotating arms (22336) is provided with a group of moving wheels (22337), and the outer end of the moving wheel (22337) is connected to a group of motors (22338).

6. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 1, characterized in that: The linkage mechanism (23) comprises a top groove (231), a third electric push rod (232), a top plate (233), a connecting plate (234), a rolling roller (235), a second gear (236), a second motor (237) and a through port (238); a group of top grooves (231) are provided at the top end of the second cleaning cabin (2); a group of top plates (233) are connected to the four ends of the top groove (231) through the third electric push rod (232); a group of connecting plates (234) are provided at the left and right ends of the bottom surface of the top plate (233); and the two groups of connecting plates (234) are provided with not less than 100 connecting plates (234) at equal intervals on opposite surfaces. Two groups of rolling rollers (235), and the left ends of the rolling rollers (235) are all extended through the left end connecting plate (234) and connected to the second gear (236). A group of motors (237) are provided at the left front end of the left connecting plate (234) corresponding to the position of the front end of the rolling rollers (235). The driving shaft of the second motor (237) extends through the left end connecting plate (234) and is connected to the second gear (236) at the front end. A group of through openings (238) are provided at the front end of the cleaning cabin (2). The through openings (238) pass through the rear end of the cleaning cabin (1) and are connected to the interior thereof.

7. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 1, characterized in that: The components of the transmission mechanism (3) are all the same. The transmission mechanism (3) comprises a connecting roller (31), a motor three (32), a transmission belt one (33), a transmission belt two (34) and a limiting tooth (35). A group of connecting rollers (31) are provided at the left and right bottom ends of the cleaning cabin two (2). A group of motor three (32) is provided at the rear end of the cleaning cabin two (2) corresponding to the position of the connecting roller (31) at the right end. At least two groups of transmission belts one (33) and transmission belts two (34) are provided at equal intervals on the outer side of the connecting roller (31). The transmission belt one (33) is connected to the outer sides of the two groups of connecting rollers (31). The other end of the transmission belt two (34) extends to the outer end of the cleaning cabin two (2) and is connected to the support roller (41). The outer sides of the transmission belt one (33) and the transmission belt two (34) are both provided with limiting teeth (35) at equal intervals.

8. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 7, characterized in that: The transmission belt 1 (33) and the transmission belt 2 (34) are arranged alternately.

9. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 3, characterized in that: A torsion spring is provided at the connection between the auxiliary arm (2235) and the outer side of the main part (2231).

10. The device for removing oil from inner hole of steel pipe of rolling mill according to claim 4, characterized in that: The water pipe (22322) and the air pipe (22342) are both integrated into the collecting pipe (2237).

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