A steel pipe surface polishing device

Abstract

The present invention relates to the technical field of steel pipe polishing, in particular to a steel pipe surface polishing device, which includes a workbench. A pipe body is provided at the upper end of the workbench. A first support roller is provided on the workbench, and a second support roller is slidably connected to the workbench. The outer peripheral walls of the pipe body are in frictional contact with the outer peripheral walls of the first support roller and the second support roller respectively. A grinding assembly is provided at the upper end of the pipe body. A grinding cover is provided on the grinding assembly. A double-shaft motor is provided inside the grinding cover. Grinding wheels are respectively sleeved on the output shafts at both ends of the double-shaft motor. The outer peripheral walls of the two grinding wheels are in frictional contact with the outer peripheral walls of the pipe body respectively. A telescopic pipe is provided at the lower end of the grinding cover. A plurality of inclined rollers are embedded in the bottom surfaces at both ends of the telescopic pipe. It ensures the cleanliness of the production environment and the health and safety of workers, improves the applicability and flexibility of the polishing device, realizes the real-time collection and treatment of iron filings and dust during the polishing process, and reduces the harm of iron filings and dust to the production environment and the health of workers.

Description

Technical Field

[0001] The present invention relates to the technical field of steel pipe polishing, in particular to a steel pipe surface polishing device. Background Art

[0002] In the steel pipe manufacturing industry, the surface treatment of steel pipes such as oil pipes, casing pipes, and pipeline pipes is a crucial link. Especially the surface polishing treatment not only affects the appearance quality of the steel pipes but also directly relates to their corrosion resistance, wear resistance, and service life.

[0003] After retrieval, a Chinese patent with the publication number CN220533873U provides a high-speed steel pipe surface polishing device. Through the setting of two groups of inner support mechanisms, the clamping applicability of the polishing device is further improved, and it is applicable to steel pipes of various diameters. And this device can make the steel pipe rotate at a high speed, and the vertically moving grinding sheet can achieve efficient grinding.

[0004] However, it is found in the use process that there are certain deficiencies in dust collection and the treatment of iron filings generated during polishing. During the polishing process, the burrs and oxide layers on the surface of the steel pipe are removed by the high-speed rotating grinding sheet or grinding wheel, and at the same time, a large amount of iron filings and fine dust are generated. These iron filings and dust are difficult to be effectively treated, which will not only pollute the production environment but also interfere with the normal operation of the equipment, and even damage the respiratory system of workers, which is not conducive to the use of steel pipe surface polishing. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a steel pipe surface polishing device, which ensures the cleanliness of the production environment and the health and safety of workers, improves the applicability and flexibility of the polishing device, realizes the real-time collection and treatment of iron filings and dust during the polishing process, and reduces the harm of iron filings and dust to the production environment and workers' health.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A steel pipe surface polishing device includes a workbench. A pipeline body is provided at the upper end of the workbench. A first support roller is provided on the workbench. A second support roller is slidably connected to the workbench. The outer peripheral walls of the pipeline body are respectively in frictional contact with the outer peripheral walls of the first support roller and the second support roller. A grinding assembly is provided at the upper end of the pipeline body. A grinding cover is provided on the grinding assembly. A double-shaft motor is provided inside the grinding cover. Grinding wheels are respectively sleeved on the output shafts at both ends of the double-shaft motor. The outer peripheral walls of the two grinding wheels are respectively in frictional contact with the outer peripheral wall of the pipeline body. A telescopic pipe is provided at the lower end of the grinding cover. A plurality of inclined rollers are embedded in the bottom surfaces at both ends of the telescopic pipe. The outer peripheral wall of the inclined roller is in frictional contact with the outer peripheral wall of the pipeline body. A connecting block is fixedly provided on the top surface of the double-shaft motor. The connecting block penetrates through the grinding cover and extends to the upper end. The connecting block is fixedly connected to the grinding cover. A hollow dust suction block is communicated with the grinding cover.

[0007] A dust suction pipe is connected to the hollow dust suction block. The middle part of the dust suction pipe is in the shape of a spring tube. The other end of the dust suction pipe is connected to a dust suction fan. The lower end of the dust suction fan is connected to a processing box, and a magnetic roller is rotatably connected inside the processing box.

[0008] Preferably, a dust suction channel is provided inside the processing box. A dust-proof seal is slidably connected to the upper end of the magnetic roller. The top surface of the dust-proof seal is fixedly connected to the inner wall of the upper end of the processing box. A triangular material guiding block is slidably connected to the outer peripheral wall of the magnetic roller, and a discharge hole is formed in the outer wall of the processing box.

[0009] Through the above technical solution, the magnetic roller adsorbs iron filings in the soot conveyed inside the dust suction channel, and the occurrence of soot escaping is reduced by the blocking of the dust-proof seal.

[0010] Preferably, a first motor is installed on the outer wall of the processing box through a mounting seat. The output shaft of the first motor is coaxially connected to the central axis of the magnetic roller. A discharge hopper is fixedly provided at the lower end of the processing box. The discharge hopper is communicated with the dust suction channel, and a discharge pipe is connected to the lower end of the discharge hopper.

[0011] Through the above technical solution, the soot inside the dust suction channel after the iron filings are adsorbed enters the discharge hopper and then is discharged into the dust collection cloth bag through the discharge pipe for collection, further capturing and collecting dust.

[0012] Preferably, a column is installed at the edge of the workbench. A lifting block is slidably connected to the column. A first cylinder is installed on the outer wall of the column through a mounting seat. The top surface of the piston rod of the first cylinder is fixedly connected to the bottom surface of the lifting block. A plurality of counterweights are installed at one end of the lifting block.

[0013] Through the above technical solution, the piston rod of the first cylinder pushes the lifting block and the counterweights to slide along the column, adjusting the lifting block to a suitable use height.

[0014] Preferably, a limiting groove is formed in the lifting block. The upper end of the connecting block is slidably connected to the lifting block through the limiting groove. A second cylinder is installed on the side wall of the lifting block through a mounting seat. The piston rod of the second cylinder is fixedly connected to the upper end of the connecting block.

[0015] Through the above technical solution, the piston rod of the second cylinder pushes the connecting block to slide along the lifting block through the limiting groove, facilitating the adjustment of the connecting block to a suitable use height and position.

[0016] Preferably, fixing blocks are respectively rotatably connected to the outer peripheral walls at both ends of the first support roller, the inner wall of the fixing block is fixedly connected to the outer wall of the workbench, U-shaped blocks are respectively rotatably connected to the outer peripheral walls at both ends of the second support roller, two slide rails are slidably connected to the U-shaped blocks in a symmetric structure, the top surface of the slide rail is fixedly connected to the bottom surface of the workbench, and the U-shaped block is slidably connected to the workbench.

[0017] Preferably, a lead screw is provided below the workbench, two supports are respectively rotatably connected to the outer peripheral walls at both ends of the lead screw, the support is fixedly connected to the workbench, the middle of the U-shaped block is threadedly connected to the lead screw through a threaded hole, and a forward and reverse motor is installed on one of the supports through a mounting seat, and the output shaft of the forward and reverse motor is coaxially connected to the lead screw.

[0018] Through the above technical solution, the output shaft of the forward and reverse motor drives the lead screw to rotate along the support, so that the lead screw pushes the U-shaped block to move along the axial direction of the lead screw, thereby driving the second support roller to slide on the workbench.

[0019] Preferably, one end of the first support roller penetrates through one of the fixing blocks and extends to the outside, a second motor is installed on one of the fixing blocks through a mounting seat, the output shaft of the second motor is coaxially connected to the first support roller, belt pulleys are respectively sleeved on the output shaft of the second motor and the first support roller, and the two belt pulleys are frictionally driven by a belt.

[0020] Through the above technical solution, the output shaft of the second motor drives one of the belt pulleys to rotate, and is frictionally transmitted to the other belt pulley through the belt, so that the first support roller drives the pipe body to rotate.

[0021] Preferably, it further includes a material pushing component, a triangular frame is provided on the material pushing component, the triangular frame is fixedly connected to the outer walls of the workbench and one of the fixing blocks respectively, a pneumatic slide table is installed at the upper end of the triangular frame through a mounting seat, a slider is slidably connected to the pneumatic slide table, and a pushing block is fixedly provided on the slider.

[0022] Through the above technical solution, the slider of the pneumatic slide table drives the pushing block to move synchronously.

[0023] Preferably, a push rod is fixedly provided on the pushing block, a positioning block slides on the push rod, the positioning block is fixedly connected to the outer wall of one of the fixing blocks, a C-shaped block is fixedly provided on the push rod, a rotating shaft is fixedly provided on the C-shaped block, and a plurality of circular blocks are rotatably connected to the rotating shaft, and the outer peripheral wall of the circular block is in frictional contact with the outer surface of one end of the pipe body.

[0024] Through the above technical solution, the pushing block pushes the push rod to slide along the positioning block, so that the positioning block pushes the C-shaped block and the rotating shaft to move synchronously, the circular block is in frictional contact with the outer surface of one end of the pipe body, and the pipe body is pushed to slide along the first support roller.

[0025] Advantages of the present invention:

[0026] 1. The two grinding wheels are driven by a biaxial motor to rotate at high speed. At the same time, the pipe body is kept stable under the support of the first support roller and the second support roller. By adjusting the sliding position of the second support roller on the workbench, pipes of different diameters can be adapted, achieving good clamping applicability. During the grinding process, the outer peripheral wall of the grinding wheel is in frictional contact with the outer peripheral wall of the pipe body to remove burrs and oxide layers on its surface, achieving a polishing effect. At the same time, the dust suction fan starts to work, generating a strong suction force. The dust suction pipe, as a channel connecting the dust suction fan and the hollow dust suction block, has a spring-like tubular design, making the dust suction pipe have a certain degree of stretchability and flexibility, better adapting to the relative movement between the grinding cover and the pipe body. The hollow dust suction block is connected to the grinding cover to suck iron filings and fine dust generated during the grinding process into the dust suction pipe. These iron filings and dust are then transported to the treatment box, where the magnet roller rotatably connected inside the treatment box can adsorb the iron filings and separate them from the dust. After being processed by the magnet roller, the remaining dust moves to the lower end inside the treatment box for further treatment, ensuring the cleanliness of the production environment and the health and safety of workers, improving the applicability and flexibility of the polishing device, realizing the real-time collection and treatment of iron filings and dust during the polishing process, and reducing the harm of iron filings and dust to the production environment and the health of workers.

[0027] 2. An external dust collection cloth bag is installed and sleeved on the discharge pipe. The dust suction fan sucks and transports the debris and smoke generated during the polishing process to the inside of the treatment box. After entering the dust suction channel, the output shaft of the first motor drives the magnet roller to rotate. At this time, the magnet roller adsorbs the iron filings in the smoke transported inside the dust suction channel. The occurrence of smoke escape is reduced by the blockage of the dust-proof seal. The iron filings adsorbed on the outer peripheral wall of the rotating magnet roller are scraped off by the blockage of the triangular guide block, slide along the triangular guide block and are discharged to the outside through the discharge hole, facilitating the continuous adsorption and use of the magnet roller. The smoke inside the dust suction channel after the iron filings are adsorbed enters the discharge hopper and then is discharged from the discharge pipe into the dust collection cloth bag for collection, further capturing and collecting dust, reducing its pollution to the environment, improving the dust-proof effect, ensuring the continuous dust suction capacity of the dust suction system, and avoiding the decline of the dust suction efficiency caused by the accumulation of iron filings.

[0028] 3. The piston rod of the first cylinder pushes the lifting block and the counterweight block to slide along the column, adjusting the lifting block to a suitable working height. The piston rod of the second cylinder pushes the connecting block to slide along the lifting block through the limiting groove, facilitating the adjustment of the connecting block to a suitable height and position, and further adjusting the grinding cover to a suitable position, adapting to the polishing of pipe bodies of different sizes, improving the adaptability and flexibility of the polishing equipment, and reducing the phenomena of missed polishing and over-polishing during the polishing process.

[0029] 4. Drive the lead screw to rotate along the support through the output shaft of the forward and reverse motor, so that the lead screw pushes the U-shaped block to move along the axial direction of the lead screw, thereby driving the second support roller to slide on the workbench, adjusting the distance between the second support roller and the first support roller, adapting to the polishing of pipe bodies of different sizes, reducing the error in the polishing process, and improving the polishing accuracy and surface quality.

[0030] 5. Drive one pulley to rotate through the output shaft of the second motor, and transmit it to the other pulley to rotate through belt friction, so that the first support roller drives the pipe body to rotate. At this time, the second support roller is driven to rotate synchronously by the friction force of the pipe body. The rotating pipe body facilitates polishing, ensures the stable rotation of the pipe body during the polishing process, reduces the problems of local over-polishing or insufficient polishing, and facilitates the polishing of pipe bodies of different specifications.

[0031] 6. Drive the push block to move synchronously through the slider of the pneumatic slide table, so that the push block pushes the push rod to slide along the positioning block, so that the positioning block pushes the C-shaped block and the rotating shaft to move synchronously. The rotating shaft drives the round block to be in frictional contact with the outer surface of one end of the pipe body, and pushes the pipe body to slide along the first support roller. The rotating pipe body during the polishing process drives the round block in contact with it to rotate along the rotating shaft, facilitating the movement of the pipe body during the polishing process, and at the same time facilitating the blanking operation of the pipe body after polishing, facilitating the pushing and polishing of pipe bodies of different lengths, ensuring that the pipe body is evenly and stably polished during the polishing process, and improving the polishing quality. Brief Description of the Drawings

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 It is a rear perspective view of the overall structure of the present invention;

[0034] Figure 3 It is a schematic diagram of the internal structure of the grinding cover structure of the present invention;

[0035] Figure 4 It is a bottom perspective view of the inclined roller structure of the present invention;

[0036] Figure 5 It is a schematic diagram of the internal structure of the treatment box structure of the present invention;

[0037] Figure 6 It is a schematic diagram of the lifting block structure of the present invention;

[0038] Figure 7 It is a bottom perspective view of the U-shaped block structure of the present invention;

[0039] Figure 8 It is a schematic diagram of the fixed block structure of the present invention;

[0040] Figure 9 Schematic diagram of the material pushing group structure of the present invention;

[0041] Figure 10 Schematic diagram of the pushing block structure of the present invention.

[0042] In the figure: 1, workbench; 2, pipe body; 3, first support roller; 4, second support roller;

[0043] 5, grinding assembly; 501, grinding cover; 502, dual-axis motor; 503, grinding wheel; 504, telescopic tube; 505, inclined roller; 506, connecting block; 507, hollow dust suction block; 508, dust suction pipe; 509, dust suction fan; 510, treatment box; 511, magnetic roller; 512, dust-proof seal; 513, triangular guide block; 514, discharge hole; 515, first motor; 516, discharge hopper; 517, discharge pipe; 518, dust suction channel;

[0044] 6, column; 7, lifting block; 8, first cylinder; 9, counterweight; 10, limit groove; 11, second cylinder; 12, fixed block; 13, U-shaped block; 14, slide rail; 15, lead screw; 16, support; 17, second motor; 18, pulley; 19, belt;

[0045] 20, material pushing assembly; 2001, triangular frame; 2002, pneumatic slide table; 2003, slider; 2004, pushing block; 2005, push rod; 2006, positioning block; 2007, C-shaped block; 2008, rotating shaft; 2009, round block; 21, forward and reverse motor. Specific embodiments

[0046] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the drawings in the specification.

[0047] Embodiment 1

[0048] Such as Figures 1 to 5As shown in the figure, this embodiment provides a steel pipe surface polishing device, including a workbench 1. There is a pipe body 2 at the upper end of the workbench 1. A first support roller 3 is provided on the workbench 1. A second support roller 4 is slidably connected to the workbench 1. The outer peripheral walls of the pipe body 2 are in frictional contact with the outer peripheral walls of the first support roller 3 and the second support roller 4 respectively. A polishing assembly 5 is provided at the upper end of the pipe body 2. A polishing cover 501 is provided on the polishing assembly 5. A double-shaft motor 502 is provided inside the polishing cover 501. Polishing wheels 503 are sleeved on the output shafts at both ends of the double-shaft motor 502 respectively. The outer peripheral walls of the two polishing wheels 503 are in frictional contact with the outer peripheral wall of the pipe body 2 respectively. A telescopic pipe 504 is provided at the lower end of the polishing cover 501. A plurality of inclined rollers 505 are embedded in the bottom surfaces at both ends of the telescopic pipe 504. The outer peripheral wall of the inclined roller 505 is in frictional contact with the outer peripheral wall of the pipe body 2. A connecting block 506 is fixedly provided on the top surface of the double-shaft motor 502. The connecting block 506 penetrates through the polishing cover 501 and extends to the upper end. The connecting block 506 is fixedly connected to the polishing cover 501. A hollow dust suction block 507 is communicated with the polishing cover 501;

[0049] A dust suction pipe 508 is communicated with the hollow dust suction block 507. The middle part of the dust suction pipe 508 is in the shape of a spring tube. The other end of the dust suction pipe 508 is communicated with a dust suction fan 509. The lower end of the dust suction fan 509 is communicated with a treatment box 510. A magnetic roller 511 is rotatably connected inside the treatment box 510.

[0050] A dust suction channel 518 is provided inside the treatment box 510. A dust-proof seal 512 is slidably connected to the upper end of the magnetic roller 511. The top surface of the dust-proof seal 512 is fixedly connected to the inner wall of the upper end of the treatment box 510. A triangular material guiding block 513 is slidably connected to the outer peripheral wall of the magnetic roller 511. A discharge hole 514 is opened on the outer wall of the treatment box 510; the magnetic roller 511 adsorbs iron filings in the soot conveyed inside the dust suction channel 518, and the occurrence of soot escaping is reduced through the blockage of the dust-proof seal 512.

[0051] A first motor 515 is installed on the outer wall of the treatment box 510 through a mounting seat. The output shaft of the first motor 515 is coaxially connected to the central axis of the magnetic roller 511. A discharge hopper 516 is fixedly provided at the lower end of the treatment box 510. The discharge hopper 516 is communicated with the dust suction channel 518. The lower end of the discharge hopper 516 is communicated with a discharge pipe 517; the soot inside the dust suction channel 518 after the iron filings are adsorbed enters the discharge hopper 516 and is discharged from the discharge pipe 517 into the dust collection cloth bag for collection, further capturing and collecting dust.

[0052] Working principle: The two grinding wheels 503 are driven by a biaxial motor 502 to rotate at high speed. At the same time, the pipe body 2 is kept stable under the support of the first support roller 3 and the second support roller 4. By adjusting the sliding position of the second support roller 4 on the workbench 1, pipes with different diameters of the pipe body 2 can be adapted, achieving good clamping applicability. During the grinding process, the outer peripheral wall of the grinding wheel 503 is in frictional contact with the outer peripheral wall of the pipe body 2 to remove burrs and oxide layers on its surface, achieving a polishing effect;

[0053] Meanwhile, the dust suction fan 509 starts to work, generating a strong suction force. The dust suction pipe 508, as a channel connecting the dust suction fan 509 and the hollow dust suction block 507, has a spring-like tubular design, making the dust suction pipe 508 have a certain degree of flexibility and extensibility, better adapting to the relative movement between the grinding cover 501 and the pipe body 2. The hollow dust suction block 507 is connected to the grinding cover 501, sucking iron filings and fine dust generated during the grinding process into the dust suction pipe 508;

[0054] These iron filings and dust are then transported to the treatment box 510. The magnetic roller 511 rotatably connected inside the treatment box 510 can adsorb iron filings, separating them from the dust. After being processed by the magnetic roller 511, the remaining dust moves to the lower end inside the treatment box 510 for further treatment, ensuring the cleanliness of the production environment and the health and safety of workers, improving the applicability and flexibility of the polishing device, realizing the real-time collection and treatment of iron filings and dust during the polishing process, and reducing the harm of iron filings and dust to the production environment and workers' health;

[0055] Before dust suction, an external dust collection bag is installed and sleeved on the discharge pipe 517. The dust suction fan 509 sucks and transports the debris and soot generated during the polishing process into the treatment box 510. After entering the dust suction channel 518, the magnetic roller 511 is driven to rotate by the output shaft of the first motor 515. At this time, the magnetic roller 511 adsorbs the iron filings in the soot transported inside the dust suction channel 518. The occurrence of soot escaping is reduced by the blocking of the dust-proof seal 512. The iron filings adsorbed on the outer peripheral wall of the rotating magnetic roller 511 are scraped off by the blocking of the triangular guide block 513, slide along the triangular guide block 513 and are discharged to the outside through the discharge hole 514, facilitating the continuous adsorption use of the magnetic roller 511;

[0056] After the iron filings are adsorbed, the soot inside the dust suction channel 518 enters the discharge hopper 516 and is discharged from the discharge pipe 517 into the dust collection bag for collection, further capturing and collecting dust, reducing its pollution to the environment, improving the dust-proof effect, ensuring the continuous dust suction capacity of the dust suction system, and avoiding the decline in dust suction efficiency caused by the accumulation of iron filings.

[0057] Embodiment 2

[0058] As Figure 1 ,Figure 2 , Figure 3 and Figure 6 As shown in Figure 3 , Figure 6 and , this embodiment is based on the previous embodiment. The difference from the previous embodiment is that a column 6 is installed at the edge of the workbench 1. A lifting block 7 is slidably connected to the column 6. A first cylinder 8 is installed on the outer wall of the column 6 through a mounting seat. The top surface of the piston rod of the first cylinder 8 is fixedly connected to the bottom surface of the lifting block 7. One end of the lifting block 7 is installed with a plurality of counterweight blocks 9. The piston rod of the first cylinder 8 is used to push the lifting block 7 and the counterweight blocks 9 to slide along the column 6 to adjust the lifting block 7 to a suitable working height.

[0059] A limiting groove 10 is formed in the lifting block 7. The upper end of the connecting block 506 is slidably connected to the lifting block 7 through the limiting groove 10. A second cylinder 11 is installed on the side wall of the lifting block 7 through a mounting seat. The piston rod of the second cylinder 11 is fixedly connected to the upper end of the connecting block 506. The piston rod of the second cylinder 11 is used to push the connecting block 506 to slide along the lifting block 7 through the limiting groove 10, which is convenient for adjusting the connecting block 506 to a suitable working height and position.

[0060] During use, the piston rod of the first cylinder 8 is used to push the lifting block 7 and the counterweight blocks 9 to slide along the column 6 to adjust the lifting block 7 to a suitable working height. The piston rod of the second cylinder 11 is used to push the connecting block 506 to slide along the lifting block 7 through the limiting groove 10, which is convenient for adjusting the connecting block 506 to a suitable working height and position, and further adjusting the polishing cover 501 to a suitable position to adapt to the polishing of pipeline bodies 2 of different sizes, improving the adaptability and flexibility of the polishing equipment, and reducing the phenomena of missed polishing and over-polishing during the polishing process.

[0061] Embodiment III

[0062] As Figure 1 , Figure 2 , Figure 7 and Figure 8As shown, this embodiment is based on the previous embodiment. The difference from the previous embodiment is that fixed blocks 12 are rotatably connected to the outer peripheral walls at both ends of the first support roller 3, and the inner walls of the fixed blocks 12 are fixedly connected to the outer wall of the workbench 1. U-shaped blocks 13 are rotatably connected to the outer peripheral walls at both ends of the second support roller 4. Two slide rails 14 are slidably connected to the U-shaped blocks 13 in a symmetrical structure, and the top surfaces of the slide rails 14 are fixedly connected to the bottom surface of the workbench 1. The U-shaped blocks 13 are slidably connected to the workbench 1. A lead screw 15 is provided below the workbench 1. The outer peripheral walls at both ends of the lead screw 15 are rotatably connected to two supports 16 respectively, and the supports 16 are fixedly connected to the workbench 1. The middle part of the U-shaped block 13 is threadedly connected to the lead screw 15 through a threaded hole. A forward and reverse motor 21 is installed on one of the supports 16 through a mounting seat, and the output shaft of the forward and reverse motor 21 is coaxially connected to the lead screw 15; by driving the lead screw 15 to rotate along the support 16 through the output shaft of the forward and reverse motor 21, the lead screw 15 pushes the U-shaped block 13 to move along the axial direction of the lead screw 15, thereby driving the second support roller 4 to slide on the workbench 1.

[0063] One end of the first support roller 3 penetrates through one of the fixed blocks 12 and extends to the outside. A second motor 17 is installed on one of the fixed blocks 12 through a mounting seat. The output shaft of the second motor 17 is coaxially connected to the first support roller 3. Belt pulleys 18 are sleeved on the output shaft of the second motor 17 and the first support roller 3 respectively, and the two belt pulleys 18 are frictionally driven by a belt 19; by driving one of the belt pulleys 18 to rotate through the output shaft of the second motor 17, and transmitting it to the other belt pulley 18 to rotate through the frictional transmission of the belt 19, the first support roller 3 drives the pipe body 2 to rotate.

[0064] During use, by driving the lead screw 15 to rotate along the support 16 through the output shaft of the forward and reverse motor 21, the lead screw 15 pushes the U-shaped block 13 to move along the axial direction of the lead screw 15, thereby driving the second support roller 4 to slide on the workbench 1, adjusting the distance between the second support roller 4 and the first support roller 3, adapting to the polishing of pipe bodies 2 of different sizes, reducing the error during the polishing process, and improving the polishing accuracy and surface quality;

[0065] By driving one of the belt pulleys 18 to rotate through the output shaft of the second motor 17, and transmitting it to the other belt pulley 18 to rotate through the frictional transmission of the belt 19, the first support roller 3 drives the pipe body 2 to rotate. At this time, the second support roller 4 is driven to rotate synchronously through the frictional force of the pipe body 2. The rotating pipe body 2 facilitates the polishing use, ensures the stable rotation of the pipe body 2 during the polishing process, reduces the problem of local over-polishing or under-polishing, and facilitates the polishing of pipe bodies 2 of different specifications.

[0066] Embodiment Four

[0067] As Figure 1 , Figure 2 ,Figure 9 and Figure 10 As shown in Figure 10 , this embodiment is based on the previous embodiment. The difference from the previous embodiment is that it further includes a material pushing component 20. A tripod 2001 is provided on the material pushing component 20. The tripod 2001 is fixedly connected to the workbench 1 and the outer wall of one of the fixing blocks 12 respectively. An air cylinder slide 2002 is installed at the upper end of the tripod 2001 through a mounting seat. A slider 2003 is slidably connected to the air cylinder slide 2002. A pushing block 2004 is fixedly provided on the slider 2003; the pushing block 2004 is driven to move synchronously by the slider 2003 of the air cylinder slide 2002.

[0068] A push rod 2005 is fixedly provided on the pushing block 2004. A positioning block 2006 slides on the push rod 2005. The positioning block 2006 is fixedly connected to the outer wall of one of the fixing blocks 12. A C-shaped block 2007 is fixedly provided on the push rod 2005. A rotating shaft 2008 is fixedly provided on the C-shaped block 2007. A plurality of circular blocks 2009 are rotatably connected to the rotating shaft 2008. The outer peripheral wall of the circular block 2009 is in frictional contact with the outer surface of one end of the pipe body 2; the pushing block 2004 pushes the push rod 2005 to slide along the positioning block 2006, so that the positioning block 2006 pushes the C-shaped block 2007 and the rotating shaft 2008 to move synchronously. The circular block 2009 is in frictional contact with the outer surface of one end of the pipe body 2, and the pipe body 2 is pushed to slide along the first support roller 3.

[0069] During use, the slider 2003 of the air cylinder slide 2002 drives the pushing block 2004 to move synchronously, so that the pushing block 2004 pushes the push rod 2005 to slide along the positioning block 2006, so that the positioning block 2006 pushes the C-shaped block 2007 and the rotating shaft 2008 to move synchronously. The rotating shaft 2008 drives the circular block 2009 to be in frictional contact with the outer surface of one end of the pipe body 2, and the pipe body 2 is pushed to slide along the first support roller 3. During the polishing process, the rotating pipe body 2 drives the circular block 2009 in contact with it to rotate along the rotating shaft 2008, which facilitates the movement of the pipe body 2 during the polishing process. At the same time, it facilitates the blanking operation of the pipe body 2 after polishing, facilitates the pushing and polishing of the pipe body 2 with different lengths, ensures that the pipe body 2 is evenly and stably polished during the polishing process, and improves the polishing quality.

[0070] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A steel pipe surface polishing device, including a workbench (1), with a pipe body (2) arranged at the upper end of the workbench (1), characterized in that: A first support roller (3) is provided on the workbench (1), a second support roller (4) is slidably connected to the workbench (1), the outer peripheral walls of the pipe body (2) are in frictional contact with the outer peripheral walls of the first support roller (3) and the second support roller (4) respectively, a grinding assembly (5) is provided at the upper end of the pipe body (2), a grinding cover (501) is provided on the grinding assembly (5), a dual-axis motor (502) is provided inside the grinding cover (501), grinding wheels (503) are respectively sleeved on the output shafts at both ends of the dual-axis motor (502), the outer peripheral walls of the two grinding wheels (503) are in frictional contact with the outer peripheral walls of the pipe body (2) respectively, a telescopic pipe (504) is provided at the lower end of the grinding cover (501), a plurality of inclined rollers (505) are embedded in the bottom surfaces at both ends of the telescopic pipe (504), the outer peripheral walls of the inclined rollers (505) are in frictional contact with the outer peripheral walls of the pipe body (2), a connecting block (506) is fixedly provided on the top surface of the dual-axis motor (502), the connecting block (506) penetrates through the grinding cover (501) and extends to the upper end, and the connecting block (506) is fixedly connected to the grinding cover (501), and a hollow dust suction block (507) is communicated with the grinding cover (501); A dust suction pipe (508) is communicated with the hollow dust suction block (507), the middle part of the dust suction pipe (508) is in a spring tube shape, the other end of the dust suction pipe (508) is communicated with a dust suction fan (509), and the lower end of the dust suction fan (509) is communicated with a processing box (510). A magnetic roller (511) is rotatably connected inside the processing box (510).

2. The steel pipe surface polishing device according to claim 1, wherein: A dust suction channel (518) is provided inside the processing box (510), a dust-proof seal (512) is slidably connected to the upper end of the magnetic roller (511), the top surface of the dust-proof seal (512) is fixedly connected to the inner wall of the upper end of the processing box (510), a triangular material guiding block (513) is slidably connected to the outer peripheral wall of the magnetic roller (511), and a discharge hole (514) is formed in the outer wall of the processing box (510).

3. The steel pipe surface polishing device according to claim 2, characterized in that: A first motor (515) is installed on the outer wall of the processing box (510) through a mounting seat, the output shaft of the first motor (515) is coaxially connected to the central axis of the magnetic roller (511), a discharge hopper (516) is fixedly provided at the lower end of the processing box (510), the discharge hopper (516) is communicated with the dust suction channel (518), and the lower end of the discharge hopper (516) is communicated with a discharge pipe (517).

4. The steel pipe surface polishing device according to claim 3, characterized in that: Columns (6) are installed at the edge of the workbench (1), a lifting block (7) is slidably connected to the columns (6), a first cylinder (8) is installed on the outer wall of the columns (6) through a mounting seat, the top surface of the piston rod of the first cylinder (8) is fixedly connected to the bottom surface of the lifting block (7), and a plurality of counterweight blocks (9) are installed at one end of the lifting block (7).

5. The steel pipe surface polishing device according to claim 4, characterized in that: A limiting groove (10) is formed on the lifting block (7). The upper end of the connecting block (506) is slidably connected to the lifting block (7) through the limiting groove (10). A second cylinder (11) is installed on the side wall of the lifting block (7) through a mounting seat. The piston rod of the second cylinder (11) is fixedly connected to the upper end of the connecting block (506).

6. The steel pipe surface polishing device according to claim 1, characterized in that: Fixed blocks (12) are respectively rotatably connected to the outer peripheral walls at both ends of the first support roller (3). The inner wall of the fixed block (12) is fixedly connected to the outer wall of the workbench (1). U-shaped blocks (13) are respectively rotatably connected to the outer peripheral walls at both ends of the second support roller (4). Two slide rails (14) are slidably connected to the U-shaped block (13) in a symmetric structure. The top surface of the slide rail (14) is fixedly connected to the bottom surface of the workbench (1). The U-shaped block (13) is slidably connected to the workbench (1).

7. The steel pipe surface polishing device according to claim 6, characterized in that: A lead screw (15) is provided below the workbench (1). Two supports (16) are respectively rotatably connected to the outer peripheral walls at both ends of the lead screw (15). The support (16) is fixedly connected to the workbench (1). The middle part of the U-shaped block (13) is threadedly connected to the lead screw (15) through a threaded hole. A forward and reverse motor (21) is installed on one of the supports (16) through a mounting seat. The output shaft of the forward and reverse motor (21) is coaxially connected to the lead screw (15).

8. The steel pipe surface polishing device according to claim 7, characterized in that: One end of the first support roller (3) penetrates through one of the fixed blocks (12) and extends to the outside. A second motor (17) is installed on one of the fixed blocks (12) through a mounting seat. The output shaft of the second motor (17) is coaxially connected to the first support roller (3). Belt pulleys (18) are respectively sleeved on the output shaft of the second motor (17) and the first support roller (3). The two belt pulleys (18) are frictionally driven by a belt (19).

9. The steel pipe surface polishing device according to claim 1, characterized in that: It further includes a material pushing assembly (20). A triangular frame (2001) is provided on the material pushing assembly (20). The triangular frame (2001) is fixedly connected to the outer walls of the workbench (1) and one of the fixed blocks (12) respectively. A pneumatic slide table (2002) is installed at the upper end of the triangular frame (2001) through a mounting seat. A slider (2003) is slidably connected to the pneumatic slide table (2002). A pushing block (2004) is fixedly provided on the slider (2003).

10. The steel pipe surface polishing device according to claim 9, characterized in that: A push rod (2005) is fixedly provided on the pushing block (2004). A positioning block (2006) is slidably provided on the push rod (2005). The positioning block (2006) is fixedly connected to the outer wall of one of the fixed blocks (12). A C-shaped block (2007) is fixedly provided on the push rod (2005). A rotating shaft (2008) is fixedly provided on the C-shaped block (2007). A plurality of round blocks (2009) are rotatably connected to the rotating shaft (2008). The outer peripheral wall of the round block (2009) is in frictional contact with the outer surface of one end of the pipe body (2).

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