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CN-224208799-U - Tube blank feeding trolley of cold tube mill

CN224208799UCN 224208799 UCN224208799 UCN 224208799UCN-224208799-U

Abstract

The utility model relates to the technical field of cold pilger mills, in particular to a tube blank feeding trolley of a cold pilger mill, which comprises a lathe bed, a lifting frame, an adjusting frame and a tube blank moving trolley, wherein a driving device for driving the tube blank moving trolley to move is arranged on the adjusting frame, a telescopic cylinder for lifting the lifting frame is arranged below the lathe bed, an angle adjusting component for adjusting the horizontal elevation angle of the adjusting frame is arranged on the lifting frame, lubricating components for oiling the surface of a driving screw are arranged at two ends of the tube blank moving trolley, the height and the horizontal elevation angle of the tube blank moving trolley can be adjusted through the telescopic cylinder and the angle adjusting component, the tube blank is fed into the cold pilger mill accurately, the flexibility of driving the screw in the driving device can be guaranteed to a great extent through the lubricating component, the lubricating components can realize the cyclic utilization of lubricating oil, the service life of the device is prolonged, and meanwhile the excessive use of the lubricating oil is avoided.

Inventors

  • FANG JIAN
  • Yu Xuanhong
  • SHAO GUOPING

Assignees

  • 宁波东重机械有限公司

Dates

Publication Date
20260508
Application Date
20250304

Claims (8)

  1. 1. The pipe blank feeding trolley of the cold pilger mill comprises a lathe bed (1), a lifting frame (2), an adjusting frame (3) and a pipe blank moving trolley (4), wherein a holding mechanism (5) and a hydraulic transmission mechanism (6) are arranged on the pipe blank moving trolley (4), a driving device (7) for driving the pipe blank moving trolley (4) to move is arranged on the adjusting frame (3), and a driving screw (701) is arranged in the driving device (7), and the cold pilger mill is characterized in that the lifting frame (2) is arranged above the lathe bed (1), the adjusting frame (3) is arranged on the lifting frame (2), a telescopic cylinder (8) for lifting the lifting frame (2) is arranged below the lathe bed (1), an angle adjusting component (9) for adjusting the horizontal elevation angle of the adjusting frame (3) is arranged on the lifting frame (2), and a lubricating component (10) for oiling the surface of the driving screw (701) is arranged at two ends of the pipe blank moving trolley (4).
  2. 2. The pipe blank feeding trolley of the cold pilger mill according to claim 1, wherein the hydraulic transmission mechanism (6) is used for driving the enclasping mechanism (5) to clamp and enclasp the pipe blank.
  3. 3. The pipe billet feeding trolley of the cold pilger mill according to claim 2, wherein a supporting plate (12) is fixedly arranged below the lathe bed (1) through a mounting rod (11), the telescopic cylinders (8) are fixedly arranged on the supporting plate (12) in a distributed manner, and the output ends of the telescopic cylinders (8) penetrate through the lathe bed (1) and are fixedly connected with the lifting frame (2) mutually.
  4. 4. A pipe blank feeding trolley of a cold pilger mill according to claim 3, wherein guide rods (13) are fixedly arranged on the upper surface of the lathe bed (1), the free ends of the guide rods (13) penetrate through the lifting frame (2), and the telescopic cylinders (8) are telescopic hydraulic cylinders or telescopic cylinders.
  5. 5. The pipe billet feeding trolley of the cold pilger mill of claim 1, wherein the angle adjusting assembly (9) comprises a bracket (901), the bracket (901) is fixedly installed at the middle position of the surface of the lifting frame (2), a supporting rod (902) is fixedly installed in the bracket (901), a supporting hole (14) is formed in the adjusting frame (3), the supporting rod (902) is inserted into the supporting hole (14), one end of the adjusting frame (3) is symmetrically provided with adjusting holes (15), a gear frame (903) is fixedly installed in the adjusting holes (15), the adjusting assembly further comprises a driving gear (904), and the driving gear (904) is rotatably installed in the gear frame (903).
  6. 6. The pipe billet feeding trolley for the cold pilger mill according to claim 5, wherein a hub motor (905) is fixedly arranged in the driving gear (904), two ends of the hub motor (905) are fixedly connected with the gear rack (903), arc racks (906) are symmetrically and fixedly arranged on the lifting frame (2), the upper ends of the arc racks (906) penetrate through the adjusting holes (15), and the driving gear (904) and the arc racks (906) are in meshed transmission.
  7. 7. The tube blank feeding trolley of the cold tube mill according to claim 1, wherein screw oil holes (16) are symmetrically formed in the tube blank moving trolley (4), screw oil holes (1601) are formed in the front ends of the screw oil holes (16), oil holes (1602) are formed in the rear ends of the screw oil holes (16), the lubricating assembly (10) comprises an oil outlet tank (1001) and an oil return tank (1002), the oil outlet tank (1001) is arranged at two ends of the upper surface of the tube blank moving trolley (4), and the oil return tanks (1002) are arranged on outer walls of two sides of the tube blank moving trolley (4).
  8. 8. The tube blank feeding trolley of the cold pilger mill according to claim 7, wherein an oil outlet pump (1003) is arranged in the oil outlet box (1001), an oil outlet pipe (1004) is communicated with an oil outlet end of the oil outlet pump (1003), one end of the oil outlet pipe (1004) extends to the upper part in the oil filling hole (1602), an oil return pump (1005) is arranged in the oil return box (1002), an oil inlet end of the oil return pump (1005) is communicated with an oil return pipe (1006), one end of the oil return pipe (1006) extends to the lower part in the oil filling hole (1602), an oil outlet end of the oil return pump (1005) is communicated with a circulating oil pipe (1007), and a free end of the circulating oil pipe (1007) is communicated with the oil outlet box (1001).

Description

Tube blank feeding trolley of cold tube mill Technical Field The utility model relates to the technical field of cold pilger mills, in particular to a pipe blank feeding trolley of a cold pilger mill. Background The working principle of the cold pilger mill is that a hot rolled pipe or a hot rolled coil is subjected to cold rolling processing to change the size, shape and mechanical property of the pipe, and the specific process comprises the steps of raw material preparation, heating, pre-bending, cold rolling, pipe removal, detection, trimming, inspection, packaging and the like, and the cold rolled pipe with certain property and precision requirements can be produced through the steps. The tube blank feeding rotary mechanism for the cold pilger mill disclosed by the patent publication No. CN221790565U is characterized in that a rotary motor and a rotary speed change mechanism are arranged on a tube blank feeding trolley, so that the cost is saved by omitting vulnerable parts such as a transmission shaft, a sliding key and the like, the reliability of the rotary action of the cold pilger mill is greatly improved, and the rotation inertia is greatly reduced. Although the reliability of the rotation action of the cold pilger mill can be greatly improved in the prior art, the feeding trolley for conveying the pipe blanks is inconvenient to adjust the height of the feeding trolley and the horizontal elevation angle of the feeding trolley, so that the accuracy of the pipe blanks in feeding the cold pilger mill can be improved, meanwhile, the conveying accuracy of the driving screw rod in the driving device is greatly reduced when the using time is long, and when the lubricity is increased, the lubricating oil is mostly required to be manually coated, the labor and the effort are wasted, and the efficiency is low. To this end we propose a tube blank feed trolley for a cold pilger mill. Disclosure of utility model The application aims to solve the technical problems that the height and the horizontal elevation angle of the tube blank moving trolley can be adjusted, meanwhile, the driving screw is automatically lubricated, and the stability of the driving screw in transporting the tube blank moving trolley is improved. In order to solve the technical problems, the embodiment of the application provides a pipe blank feeding trolley of a cold pilger mill, which comprises a lathe bed, a lifting frame, an adjusting frame and a pipe blank moving trolley, wherein a holding mechanism and a hydraulic transmission mechanism are arranged on the pipe blank moving trolley, a driving device for driving the pipe blank moving trolley to move is arranged on the adjusting frame, a driving screw is arranged in the driving device, the lifting frame is arranged above the lathe bed, the adjusting frame is arranged on the lifting frame, a telescopic cylinder for lifting the lifting frame is arranged below the lathe bed, an angle adjusting component for adjusting the horizontal elevation angle of the adjusting frame is arranged on the lifting frame, and lubricating components for oiling the surface of the driving screw are arranged at two ends of the pipe blank moving trolley. In some embodiments, to enable clamping of the tube blank, the hydraulic transmission mechanism is used for driving the enclasping mechanism to clamp the enclasped tube blank. In some embodiments, in order to fix and limit the telescopic cylinder, a supporting plate is fixedly installed below the lathe bed through a mounting rod, the telescopic cylinders are fixedly installed on the supporting plate in a distributed manner, and the output end of the telescopic cylinder penetrates through the lathe bed and is fixedly connected with the lifting frame. In some embodiments, in order to limit lifting of the lifting frame, guide rods are fixedly installed on the upper surface of the lathe bed in a distributed mode, the free ends of the guide rods penetrate through the lifting frame, and the telescopic cylinders are telescopic hydraulic cylinders or telescopic cylinders. In some embodiments, in order to support the adjusting rack, the angle adjusting assembly comprises a bracket, the bracket is fixedly installed at the middle position of the surface of the lifting rack, a supporting rod is fixedly installed in the bracket, a supporting hole is formed in the adjusting rack, the supporting rod is inserted into the supporting hole, one end of the adjusting rack is symmetrically provided with an adjusting hole, a gear frame is fixedly installed in the adjusting hole, the adjusting assembly further comprises a driving gear, and the driving gear is rotatably installed in the gear frame. In some embodiments, in order to enable the driving gear to be meshed with the arc-shaped rack through rotation of the hub motor, and then achieve the purpose of adjusting the angle of the adjusting frame, the hub motor is fixedly installed inside the driving gear, two ends of the hub motor ar