Seamless steel tube cold-rolling mill

Abstract

The utility model belongs to the technical field of cold rolling mills, and particularly relates to a seamless steel tube cold rolling mill which comprises an installation plate, a sliding groove is formed in the installation plate, a sliding block is installed in the sliding groove in a sliding mode, a cleaning brush is fixedly installed on the top side of the sliding block, a rack is fixed to one side of the installation plate, an L-shaped plate is installed on one side of the cleaning brush, and a servo motor is installed in the L-shaped plate. A pinion is mounted at the output end of the servo motor; the servo motor operates to drive the pinion to rotate, rotation of the pinion can be converted into linear motion along the rack, the linear motion of the pinion drives the cleaning brush to stably slide along the sliding groove through the L-shaped plate, the surface of the steel pipe can be comprehensively and efficiently cleaned along with sliding of the cleaning brush, and the product quality and the subsequent machining efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cold rolling mills, in particular to a seamless steel pipe cold rolling mill. Background Art

[0002] Seamless steel pipe is a long strip of steel with a hollow cross-section and no seams around it. During the processing of seamless steel pipe, in order to improve the dimensional accuracy and surface quality of the steel pipe, make the outer diameter, wall thickness, etc. of the steel pipe more precise and uniform, and the surface smoother, a cold rolling mill is required.

[0003] A Chinese patent with announcement number CN117620858A discloses an automatic loading seamless steel pipe cold rolling mill, including a cold rolling mill body, a steel pipe is placed on a loading assembly, which can push the steel pipe toward the cold rolling mill body; a grinding cylinder is rotatably connected to a rotating cylinder, a driving assembly is arranged on the rotating cylinder, the driving assembly is used to drive the grinding cylinder to rotate, a first electric push rod is arranged in the grinding cylinder, three first electric push rods are linearly arranged along the conveying direction of the steel pipe and the output directions of the three first electric push rods are arranged at one hundred and twenty degrees to each other. The present invention can remove impurities and rust on the steel pipe and is suitable for steel pipes of different thicknesses.

[0004] However, the above-mentioned cold rolling mill still has some problems. In practical applications, the friction between the cold rolling roller and the steel pipe will produce metal particles or debris. In the prior art, it is not possible to clean the impurities and debris on the surface of the steel pipe in time, resulting in them remaining on the surface of the workpiece, affecting the subsequent cold rolling quality, causing defects and scratches on the surface of the steel pipe, and reducing the qualified rate of the product; therefore, a seamless steel pipe cold rolling mill is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background technology, the utility model proposes a seamless steel pipe cold rolling mill.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a seamless steel pipe cold rolling mill described in the utility model comprises a main board, a cleaning component is installed at one end of the top side of the main board, the cleaning component comprises a mounting plate, the mounting plate is fixedly installed on the top side of the main board, a slide groove is provided inside the mounting plate, a slider is slidably installed inside the slide groove, a cleaning brush is fixedly installed on the top side of the slider, the cleaning brush is an unsealed rectangle, a rack is fixed on one side of the mounting plate, the length of the rack is equal to the length of the slide groove, an L-shaped plate is installed on one side of the cleaning brush, a servo motor is installed inside the L-shaped plate, a pinion is installed on the output end of the servo motor, and the pinion and the rack are meshed with each other, which can comprehensively and efficiently clean the surface of the steel pipe and improve product quality and subsequent processing efficiency.

[0007] Preferably, a cold rolling frame is fixedly installed on the middle end of the top side of the main board, and two rotating shafts are symmetrically installed inside the cold rolling frame. Cold rolling rollers are installed on the outer walls of the rotating shafts. One end of the rotating shaft rotates through the outside of the cold rolling frame and is respectively installed with a driving gear and a driven gear, and the driving gear and the driven gear are meshed with each other. A driving motor is installed on the other side of the cold rolling frame, and one end of the rotating shaft is cooperatively connected with the output end of the driving motor to realize the cold rolling operation of the steel pipe.

[0008] Preferably, three circular through grooves of different sizes are evenly spaced inside the cold rolling roller, and three through holes matching the circular through grooves are evenly spaced on both sides of the cold rolling frame. Through grooves of different sizes can be selected for operation according to different production requirements, thereby improving the adaptability and flexibility of the equipment.

[0009] Preferably, two support plates are symmetrically fixed to the other end of the top side of the main board, a conveying motor is installed on one side of the bottom end of the support plate, a rotating shaft is installed on the output end of the conveying motor, one end of the rotating shaft is rotatably installed on the inner wall of one side of the support plate, and a conveying roller is installed on the outer wall of the rotating shaft, thereby ensuring the stable conveying of the steel pipe during the cold rolling process.

[0010] Preferably, a rectangular groove is opened inside the top end of the support plate, a guide rod is fixedly connected between the two sides of the rectangular groove, a sliding block is slidably installed on the arc surface of the guide rod, an auxiliary roller is installed between the sliding blocks through a pin shaft, a spring is fixedly connected between the rectangular groove and the sliding block, the spring is sleeved on the outer wall of the guide rod, and can be adaptively adjusted according to the diameter of the steel pipe, thereby ensuring the stability and reliability of transportation.

[0011] Preferably, a control panel is installed on one side of the main board, and the control panel is used to control the operation of the electrical components inside the device, thereby realizing the centralization of the electrical components inside the device and improving the convenience of the device.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model drives the pinion to rotate through the operation of the servo motor, and the rotation of the pinion is converted into linear motion along the rack. The linear motion of the pinion drives the cleaning brush to slide stably along the slide groove through the L-shaped plate. With the sliding of the cleaning brush, the surface of the steel pipe can be cleaned comprehensively and efficiently, thereby improving product quality and subsequent processing efficiency;

[0014] 2. During the conveying process of the utility model, the sliding block can slide along the guide rod. Under the action of the spring, the sliding block can automatically adjust according to the diameter of the steel pipe, always maintaining a certain pressure and adaptability to the steel pipe, ensuring that the seamless steel pipe can be smoothly conveyed and adapting to seamless steel pipes of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the structure of the utility model from the middle axis side view;

[0017] Figure 2 A schematic diagram of the cleaning component structure;

[0018] Figure 3 It is a schematic diagram of the cold-rolled component structure;

[0019] Figure 4 It is a schematic diagram of the conveying component structure.

[0020] In the figure: 1. main board; 2. mounting plate; 3. slide groove; 4. slider; 5. cleaning brush; 6. rack; 7. L-shaped plate; 8. servo motor; 9. pinion; 10. cold rolling frame; 11. rotating shaft; 12. cold rolling roller; 13. driving gear; 14. driven gear; 15. driving motor; 16. through hole; 17. support plate; 18. conveying motor; 19. rotating shaft; 20. conveying roller; 21. rectangular groove; 22. guide rod; 23. sliding block; 24. auxiliary roller; 25. spring; 26. control panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2As shown, a seamless steel tube cold rolling mill comprises a main board 1, a cleaning assembly is installed at one end of the top side of the main board 1, the cleaning assembly comprises a mounting plate 2, the mounting plate 2 is fixedly installed on the top side of the main board 1, a slide groove 3 is provided inside the mounting plate 2, a slider 4 is slidably installed inside the slide groove 3, a cleaning brush 5 is fixedly installed on the top side of the slider 4, the cleaning brush 5 is an unsealed rectangle, a rack 6 is fixed on one side of the mounting plate 2, the length of the rack 6 is equal to the length of the slide groove 3, an L-shaped plate 7 is installed on one side of the cleaning brush 5, a servo motor 8 is installed inside the L-shaped plate 7, a pinion 9 is installed on the output end of the servo motor 8, and the pinion 9 is meshed with the rack 6, and the main board 1 is mounted on one side. There is a control panel 26; when working, in the prior art, impurities and debris on the surface of the steel pipe cannot be cleaned in time, resulting in them remaining on the surface of the workpiece, affecting the subsequent cold rolling quality, causing defects and scratches on the surface of the steel pipe, and reducing the qualified rate of the product. The steel pipe after the cold rolling operation will come out from the through hole 16 on the other side and enter the cleaning brush 5. The servo motor 8 is controlled by the control panel 26 to drive the pinion 9 to rotate. Since the pinion 9 and the rack 6 are meshed with each other, the rotation of the pinion 9 will be converted into a linear motion along the rack 6. The linear motion of the pinion 9 drives the cleaning brush 5 to slide stably along the slide groove 3 through the L-shaped plate 7. As the cleaning brush 5 slides, the surface of the steel pipe can be cleaned comprehensively and efficiently, thereby improving product quality and subsequent processing efficiency.

[0023] See also Figure 3 As shown, a cold rolling frame 10 is fixedly installed at the middle end of the top side of the main board 1, and two rotating shafts 11 are symmetrically installed inside the cold rolling frame 10. A cold rolling roller 12 is installed on the outer wall of the rotating shaft 11. One end of the rotating shaft 11 rotates and penetrates the outside of the cold rolling frame 10 and is respectively installed with a driving gear 13 and a driven gear 14, and the driving gear 13 and the driven gear 14 are meshed with each other. A driving motor 15 is installed on the other side of the cold rolling frame 10, and one end of the rotating shaft 11 is matched and connected with the output end of the driving motor 15. Three circular through grooves of different sizes are evenly spaced inside the cold rolling roller 12, and three circular grooves with the same size are evenly spaced on both sides of the cold rolling frame 10. shaped through groove and the through hole 16 matched thereto; when working, in the process of seamless steel pipe processing, cold rolling operation is required to improve the dimensional accuracy and surface quality of the steel pipe and make the surface of the steel pipe smoother. When the seamless steel pipe is conveyed to the cold rolling frame 10, the driving motor 15 is started to drive the rotating shaft 11 connected thereto to rotate. Due to the meshing relationship between the driving gear 13 and the driven gear 14, the two rotating shafts 11 realize synchronous reverse rotation, so that the two cold rolling rollers 12 cold roll the steel pipe. Circular through grooves of different sizes and the through holes 16 matched thereto can be selected in different combinations as needed to adapt to the cold rolling operations with different specifications and processing requirements, so as to realize diversified rolling processing of seamless steel pipes.

[0024] See also Figure 4 As shown, two support plates 17 are symmetrically fixed to the other end of the top side of the main board 1, a conveying motor 18 is installed on one side of the bottom end of the support plate 17, a rotating shaft 19 is installed on the output end of the conveying motor 18, one end of the rotating shaft 19 is rotatably installed on one side inner wall of the support plate 17, and a conveying roller 20 is installed on the outer wall of the rotating shaft 19;

[0025] A rectangular groove 21 is provided inside the top of the support plate 17, and a guide rod 22 is fixedly connected between the two sides of the rectangular groove 21. A sliding block 23 is slidably installed on the arc surface of the guide rod 22, and an auxiliary roller 24 is installed between the sliding blocks 23 through a pin shaft. A spring 25 is fixedly connected between the rectangular groove 21 and the sliding block 23, and the spring 25 is sleeved on the outer wall of the guide rod 22; when working, in the production workshop of steel pipes, in order to ensure the continuity of the cold rolling operation of steel pipes, the steel pipe to be processed is placed between the conveying roller 20 and the auxiliary roller 24, and after the conveying motor 18 is started, the conveying motor 18 drives the rotating shaft 19 to rotate, so that the conveying roller 20 installed on the rotating shaft 19 rotates to realize the conveying of the seamless steel pipe. During the conveying process, the sliding block 23 can slide along the guide rod 22. Under the action of the spring 25, the sliding block 23 can automatically adjust according to the diameter of the steel pipe, always maintain a certain pressure and adaptability to the steel pipe, ensure that the seamless steel pipe can be smoothly conveyed, and adapt to seamless steel pipes of different sizes.

[0026] Working principle: the steel pipe to be processed is placed between the conveying roller 20 and the auxiliary roller 24. After the conveying motor 18 is started, the conveying motor 18 drives the rotating shaft 19 to rotate, so that the conveying roller 20 installed on the rotating shaft 19 rotates to realize the conveying of the seamless steel pipe. During the conveying process, the sliding block 23 can slide along the guide rod 22. Under the action of the spring 25, the sliding block 23 can automatically adjust according to the diameter of the steel pipe, always maintaining a certain pressure and adaptability to the steel pipe, ensuring that the seamless steel pipe can be smoothly conveyed, and at the same time adapting to seamless steel pipes of different sizes;

[0027] When the seamless steel pipe is conveyed to the cold rolling frame 10, the driving motor 15 is started to drive the rotating shaft 11 connected thereto to rotate. Due to the meshing relationship between the driving gear 13 and the driven gear 14, the two rotating shafts 11 realize synchronous reverse rotation, thereby causing the two cold rolling rollers 12 to cold roll the steel pipe;

[0028] The steel pipe that has completed the cold rolling operation will come out from the through hole 16 on the other side and enter the cleaning brush 5. The servo motor 8 is controlled by the control panel 26 to drive the pinion 9 to rotate. Since the pinion 9 and the rack 6 are meshed with each other, the movement of the pinion 9 drives the cleaning brush 5 to slide steadily along the slide groove 3 through the L-shaped plate 7. As the cleaning brush 5 slides, the surface of the steel pipe can be cleaned comprehensively and efficiently, thereby improving product quality and subsequent processing efficiency.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A seamless steel tube cold rolling mill, characterized in that: The invention comprises a main board (1), a cleaning assembly is installed at one end of the top side of the main board (1), the cleaning assembly comprises a mounting plate (2), the mounting plate (2) is fixedly installed on the top side of the main board (1), a sliding groove (3) is provided inside the mounting plate (2), a slider (4) is slidably installed inside the sliding groove (3), a cleaning brush (5) is fixedly installed on the top side of the slider (4), the cleaning brush (5) is in the shape of an unsealed rectangle, a rack (6) is fixed on one side of the mounting plate (2), the length of the rack (6) is equal to the length of the sliding groove (3), an L-shaped plate (7) is installed on one side of the cleaning brush (5), a servo motor (8) is installed inside the L-shaped plate (7), a pinion (9) is installed at the output end of the servo motor (8), and the pinion (9) and the rack (6) are meshed with each other.

2. A seamless steel tube cold rolling mill according to claim 1, characterized in that: A cold rolling frame (10) is fixedly mounted on the middle end of the top side of the main board (1), two rotating shafts (11) are symmetrically mounted inside the cold rolling frame (10), a cold rolling roller (12) is mounted on the outer wall of the rotating shaft (11), one end of the rotating shaft (11) rotates through the outside of the cold rolling frame (10) and is respectively mounted with a driving gear (13) and a driven gear (14), and the driving gear (13) and the driven gear (14) are meshed with each other, a driving motor (15) is mounted on the other side of the cold rolling frame (10), and one end of the rotating shaft (11) is cooperatively connected with the output end of the driving motor (15).

3. A seamless steel tube cold rolling mill according to claim 2, characterized in that: The cold rolling roller (12) is provided with three circular through grooves of different sizes at equal distances inside, and three through holes (16) matching the circular through grooves are provided at equal distances on both sides of the cold rolling frame (10).

4. A seamless steel tube cold rolling mill according to claim 3, characterized in that: Two support plates (17) are symmetrically fixed to the other end of the top side of the main board (1), a conveying motor (18) is installed on one side of the bottom end of the support plate (17), a rotating shaft (19) is installed on the output end of the conveying motor (18), one end of the rotating shaft (19) is rotatably mounted on an inner wall of one side of the support plate (17), and a conveying roller (20) is installed on the outer wall of the rotating shaft (19).

5. A seamless steel tube cold rolling mill according to claim 4, characterized in that: A rectangular groove (21) is provided inside the top end of the support plate (17), a guide rod (22) is fixedly connected between the two sides of the rectangular groove (21), a sliding block (23) is slidably installed on the arc surface of the guide rod (22), an auxiliary roller (24) is installed between the sliding blocks (23) through a pin shaft, a spring (25) is fixedly connected between the rectangular groove (21) and the sliding block (23), and the spring (25) is sleeved on the outer wall of the guide rod (22).

6. A seamless steel tube cold rolling mill according to claim 1, characterized in that: A control panel (26) is installed on one side of the main board (1), and the control panel (26) is used to control the operation of electrical components inside the device.

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