Steel pipe punching and polishing device
By designing a drive, clamping, and grinding device, the problem of burrs on the inner wall of the punched part of the steel pipe that could not be ground was solved, and comprehensive grinding of the inner and outer walls was achieved, improving the performance of the steel pipe.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANGJIAGANG HONGQIANG PIPE PROD CO LTD
- Filing Date
- 2025-03-06
- Publication Date
- 2026-04-21
AI Technical Summary
In existing technologies, the burrs on the inner wall of the punched holes in steel pipes cannot be effectively ground off, affecting the performance of the steel pipes.
A steel pipe punching and grinding device was designed, which includes a driving device, a clamping device, and a grinding device. The driving device rotates the steel pipe, the clamping device fixes the steel pipe, and the grinding device grinds the punched part of the steel pipe inside and out.
It effectively removes burrs from the inner and outer walls of the punched holes in steel pipes, improving the quality of steel pipes in use.
Smart Images

Figure CN224144202U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grinding device technology, and in particular to a steel pipe punching and grinding device. Background Technology
[0002] During the production and processing of steel pipes, punching is required to maintain the pipes for different applications. However, to prevent burrs at the punched areas from injuring operators, a grinding device is needed to remove these burrs. For example, the steel pipe punching and grinding device described in Chinese patent application CN202022878796.4 includes a feeding platform, a guiding mechanism, a steel pipe pulling mechanism, a conveyor platform, a steel pipe positioning mechanism, a punching mechanism, and a hole-grinding mechanism. The feeding platform is equipped with a guiding mechanism and is located at the inlet end of the conveyor platform. A steel pipe pulling mechanism is installed below the conveyor platform. Several steel pipe positioning mechanisms are installed on the conveyor platform, as are the punching and hole-grinding mechanisms.
[0003] However, when using a hole grinding mechanism to grind the punched holes in a steel pipe, only the outer wall of the punched hole is ground, and the inner wall of the punched hole cannot be effectively ground. Therefore, the burrs on the inner wall of the punched hole will affect the use of the steel pipe, and thus the burrs at the punched hole cannot be effectively ground. Utility Model Content
[0004] To address the problem mentioned in the background art that only the outer wall of the punched hole in the steel pipe is ground, and the inner wall of the punched hole cannot be effectively ground, thus affecting the use of the steel pipe, and therefore failing to effectively grind away the burrs at the punched hole, this utility model provides the following technical solution:
[0005] A steel pipe punching and grinding device includes a base and a drive device fixedly installed on the top of the base for driving the steel pipe to rotate. The top of the base is provided with a clamping device for clamping the steel pipe on the drive device. The top of the base is provided with a grinding device for grinding the punched part of the steel pipe inside and out.
[0006] The top of the base has a through groove for the grinding device to move left and right.
[0007] The clamping device includes a clamping assembly disposed above the steel pipe for clamping the steel pipe, and a driving assembly is disposed at the top of the base for driving the clamping assembly to move up and down.
[0008] The grinding device includes a second drive assembly for rotation, which is installed inside the base. The rod of the second drive assembly is threadedly connected to an adjustment assembly for left and right movement. The adjustment assembly contains a first grinding assembly and a second grinding assembly for grinding the steel pipe inside and out.
[0009] Furthermore, the drive assembly includes a support column fixedly installed at the top of the base. A threaded rod is provided in the column cavity of the support column for driving the pressing assembly to move up and down. A handwheel for driving the threaded rod to rotate is fixedly installed at the top of the threaded rod. A locking rod for locking the handwheel is provided on the wheel body of the handwheel.
[0010] Furthermore, the clamping assembly includes a threaded sleeve plate that is threadedly connected to a threaded rod. A support frame for moving up and down with the threaded sleeve plate is fixedly installed at the front end of the threaded sleeve plate. A clamping wheel for clamping the steel pipe is movably connected inside the support frame.
[0011] Furthermore, the second drive assembly includes a threaded rod 2 disposed in the through groove for driving the adjustment assembly to move left and right, and a motor 2 for driving the threaded rod 2 to rotate is fixedly installed at the left end of the threaded rod 2.
[0012] Furthermore, the adjusting assembly includes a movable block threadedly connected to the threaded rod two. A connecting rod is fixedly installed at the top of the movable block, and a fixed column is fixedly installed at the top of the connecting rod. A threaded rod three is provided inside the fixed column for driving the grinding assembly one and the grinding assembly two to move in opposite directions. A handwheel two for driving the threaded rod three to rotate is fixedly installed at the top of the threaded rod three, and a locking rod two for locking the handwheel two is provided on the wheel body of the handwheel two.
[0013] Furthermore, the grinding assembly includes a threaded sleeve plate two that is threadedly connected to the threaded rod three. A connecting plate is fixedly installed at the end of the threaded sleeve plate two away from the fixed post. A fixed frame is fixedly installed at the end of the connecting plate away from the threaded sleeve plate two. A grinding wheel for grinding the punched parts of the steel pipe is movably connected inside the frame of the fixed frame.
[0014] Furthermore, the driving device includes a support frame fixedly installed at the top of the base, and there are several support frames. A rotating shaft for rotation is movably connected to the frame of the support frame. A roller for driving the steel pipe to rotate is fixedly installed on the shaft of the rotating shaft. A motor for driving the rotating shaft to rotate is provided at the left end of the rotating shaft.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] By setting up a drive device, a clamping device, and a grinding device, when it is necessary to grind the inside and outside of the punched hole on the steel pipe, the steel pipe can be placed on the two drive devices. Then, the locking rod is removed from the handwheel one to release the lock on the handwheel one. Then, the threaded rod one is rotated by the handwheel one, which allows the threaded sleeve one to move downward along the threaded rod one to control the clamping wheel to approach the steel pipe and clamp and fix the steel pipe. Then, the threaded rod two is rotated by the motor two, which allows the grinding component two to be inserted into the steel pipe and approach the punched hole. Then, the threaded rod three is rotated by the handwheel two, which controls the grinding component one and the grinding component two to slowly approach the punched hole of the steel pipe. Finally, the drive device is started to rotate the steel pipe, which allows the grinding device to grind the punched hole of the steel pipe inside and outside to fully remove the burrs inside and outside the hole. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a front view of the present utility model;
[0019] Figure 3 This is a schematic diagram of the pressing device structure of this utility model;
[0020] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle;
[0021] Figure 5 This is a schematic diagram of the grinding device of this utility model;
[0022] Figure 6 This is a diagram showing the fit between the adjustment component and the grinding component of this utility model.
[0023] The following is a list of component names represented by the various reference numerals in the attached figures:
[0024] 100 - base, 101 - through groove;
[0025] 200-Drive device, 210-Motor 1, 220-Shaft, 230-Roller, 240-Support frame;
[0026] 300-steel pipe;
[0027] 400-Clamping device, 410-Drive assembly one, 411-Support column, 412-Handwheel one, 413-Locking rod one, 414-Threaded rod one, 420-Clamping assembly, 421-Threaded sleeve one, 422-Support frame, 423-Clamping wheel;
[0028] 500-Grinding device, 510-Drive component two, 511-Motor two, 512-Threaded rod two, 520-Adjusting component, 521-Moving block, 522-Connecting rod, 523-Fixed column, 524-Handwheel two, 525-Locking rod two, 526-Threaded rod three, 530-Grinding component one, 531-Threaded sleeve plate two, 532-Connecting plate, 533-Fixed frame, 534-Grinding wheel, 540-Grinding component two. Detailed Implementation
[0029] The preferred embodiments of this utility model are described in detail below, and a clear and complete explanation is given in conjunction with the accompanying drawings.
[0030] Please see Figures 1-6 This utility model provides a steel pipe punching and grinding device.
[0031] The system includes a base 100 and a drive device 200 fixedly installed on the top of the base 100 for driving the steel pipe 300 to rotate. There are two drive devices 200, and the two drive devices 200 rotate in opposite directions. Thus, by having different rotation directions, the steel pipe 300 above the two drive devices 200 can be driven to rotate. The top of the base 100 is provided with a clamping device 400 for clamping the steel pipe 300 on the drive device 200. The top of the base 100 is provided with a grinding device 500 for grinding the punched parts of the steel pipe 300 inside and out.
[0032] The top of the base 100 is provided with a through groove 101 for the grinding device 500 to move left and right, and the through groove 101 extends through the top of the base 100. Thus, the metal shavings generated when the grinding device 500 grinds the steel pipe 300 can be discharged along the through groove 101 to the bottom of the base 100, so as to avoid the accumulation of metal shavings on the top of the base 100.
[0033] The drive device 200 includes a support frame 240 fixedly installed on the top of the base 100, and there are several support frames 240. The several support frames 240 are welded to the top of the base 100 in a linear array. A rotating shaft 220 for rotation is movably connected to the frame of the support frame 240, and the rotating shaft 220 is connected to the several support frames 240 through bearings to facilitate the rotation of the rotating shaft 220. A roller 230 for driving the steel pipe 300 to rotate is fixedly installed on the shaft of the rotating shaft 220, and a motor 210 for driving the rotating shaft 220 to rotate is provided at the left end of the rotating shaft 220.
[0034] The clamping device 400 includes a clamping assembly 420 disposed above the steel pipe 300 for clamping the steel pipe 300, and a driving assembly 410 disposed at the top of the base 100 for driving the clamping assembly 420 to move up and down.
[0035] The drive assembly 410 includes a support column 411 fixedly installed at the top of the base 100, and the support column 411 is welded to the top of the base 100. The support column 411 is hollow to facilitate the up-and-down movement of the pressing assembly 420. A threaded rod 414 for driving the pressing assembly 420 up-and-down movement is provided in the cavity of the support column 411. The upper and lower ends of the threaded rod 414 are connected to the column body of the support column 411 through bearings to facilitate the rotation of the threaded rod 414. A handwheel 412 for driving the rotation of the threaded rod 414 is fixedly installed at the top of the threaded rod 414. A locking rod 413 for locking the handwheel 412 is provided on the wheel body of the handwheel 412. The locking rod 413 passes through the handwheel 412 and is inserted into the support column 411 to lock the handwheel 412 and prevent the threaded rod 414 from rotating again, which would cause the pressing assembly 420 to move.
[0036] The clamping assembly 420 includes a threaded sleeve 421 threadedly connected to the threaded rod 414. The shape and size of the front side of the threaded sleeve 421 are the same as the shape and size of the cavity of the support column 411, so that the threaded sleeve 421 can always move up and down without rotating when the threaded rod 414 rotates. A support frame 422 for following the up and down movement of the threaded sleeve 421 is fixedly installed at the front end of the threaded sleeve 421. A clamping wheel 423 for clamping the steel pipe 300 is movably connected inside the support frame 422. Thus, when it is necessary to punch holes in the steel pipe 300 for internal and external clamping... During grinding, the steel pipe 300 can be placed on the two drive devices 200. Then, the locking rod 413 is removed from the handwheel 412 to release the locking of the handwheel 412. Then, the threaded rod 414 is rotated by the handwheel 412, which allows the threaded sleeve plate 421 to move downward along the threaded rod 412 to control the clamping wheel 423 to approach the steel pipe 300 and clamp and fix the steel pipe 300. Then, the grinding device 500 is placed at the punched part of the steel pipe 300. Finally, the drive device 200 is started to make the steel pipe 300 rotate, so that the grinding device 500 can grind the punched part of the steel pipe 300 inside and out.
[0037] The grinding device 500 includes a second drive assembly 510 disposed in the base 100 for rotation. The rod of the second drive assembly 510 is threadedly connected to an adjustment assembly 520 for left and right movement. The adjustment assembly 520 is provided with a first grinding assembly 530 and a second grinding assembly 540 for grinding the steel pipe 300 inside and out.
[0038] The second drive assembly 510 includes a threaded rod 512 disposed in the through groove 101 for driving the adjustment assembly 520 to move left and right. The left and right ends of the threaded rod 512 are connected to the base body of the base 100 through bearings to facilitate the rotation of the threaded rod 512. A motor 511 for driving the rotation of the threaded rod 512 is fixedly installed on the left end of the threaded rod 512.
[0039] The adjusting assembly 520 includes a movable block 521 threadedly connected to the threaded rod 512. The shape and size of the movable block 521 are the same as those of the through groove 101, so that the movable block 521 can always move up and down without rotating when the threaded rod 512 rotates. A connecting rod 522 is fixedly installed at the top of the movable block 521, and a fixing post 523 is fixedly installed at the top of the connecting rod 522. The interior of the fixing post 523 is hollow, and a threaded rod 526 is provided inside the fixing post 523 for driving the grinding assembly 530 and the grinding assembly 540 to move in opposite directions. The rod body of the threaded rod 526... The device has two symmetrical threaded sections with opposite thread directions, which means that the grinding components 530 and 540 located at the two threaded sections move in opposite directions. A handwheel 524 for driving the rotation of the threaded rod 526 is fixedly installed at the top of the threaded rod 526. The handwheel 524 is provided with a locking rod 525 for locking the handwheel 524. The locking rod 525 passes through the handwheel 524 and is inserted into the fixed post 523, which can lock the handwheel 524 to prevent the threaded rod 526 from rotating again and causing the grinding components 530 and 540 to move.
[0040] Grinding assembly 1 530 and grinding assembly 2 540 have the same components but opposite directions of movement. Therefore, this application only describes the tools of grinding assembly 530 in detail. Grinding assembly 1 530 includes a threaded sleeve 2 531 that is threadedly connected to the threaded rod 3 526. A connecting plate 532 is fixedly installed at the end of the threaded sleeve 2 531 away from the fixed post 523. A fixed frame 533 is fixedly installed at the end of the connecting plate 532 away from the threaded sleeve 2 531. A grinding wheel 534 for grinding the punched parts of the steel pipe 300 is movably connected within the frame of the fixed frame 533. Thus, when it is necessary to grind the punched parts of the steel pipe 300 inside and out, the steel pipe 300 can be placed on the two drive devices 200, and then the locking rod 413 can be removed from the handwheel 1 412 to release the locking mechanism. Locking the handwheel 412, and then rotating the threaded rod 414 via the handwheel 412, allows the threaded sleeve 421 to move downwards along the threaded rod 412, controlling the clamping wheel 423 to approach the steel pipe 300 and clamp and fix the steel pipe 300; then, rotating the threaded rod 512 via the motor 511 allows the grinding assembly 540 to be inserted into the steel pipe 300 and approach the punched hole; then, rotating the threaded rod 526 via the handwheel 524 controls the grinding assembly 530 and the grinding assembly 540 to slowly approach the punched hole of the steel pipe 300; finally, starting the drive device 200 causes the steel pipe 300 to rotate, allowing the grinding device 500 to grind the punched hole of the steel pipe 300 inside and out, so as to fully remove the burrs inside and outside the hole.
[0041] Based on the above description and accompanying drawings, those skilled in the art can understand and implement this utility model. Furthermore, any non-creative modifications made to this utility model by those skilled in the art without inventive effort are still within the protection scope of this utility model.
Claims
1. A steel pipe piercing and polishing apparatus comprising a base (100), characterized in that: It also includes a drive device (200) fixedly installed on the top of the base (100) for driving the steel pipe (300) to rotate, a clamping device (400) for clamping the steel pipe (300) on the drive device (200) is provided on the top of the base (100), and a grinding device (500) for grinding the punched part of the steel pipe (300) inside and out is provided above the base (100). The top of the base (100) is provided with a through groove (101) for the grinding device (500) to move left and right; The clamping device (400) includes a clamping assembly (420) disposed above the steel pipe (300) for clamping the steel pipe (300), and a driving assembly (410) is provided at the top of the base (100) for driving the clamping assembly (420) to move up and down. The grinding device (500) includes a second drive assembly (510) for rotation disposed in the base (100). The rod of the second drive assembly (510) is threadedly connected to an adjustment assembly (520) for left and right movement. The adjustment assembly (520) is provided with a first grinding assembly (530) and a second grinding assembly (540) for grinding the steel pipe (300) inside and out.
2. A steel tube piercing and polishing apparatus according to claim 1, characterized in that: The drive assembly (410) includes a support column (411) fixedly installed on the top of the base (100). The support column (411) has a threaded rod (414) for driving the pressing assembly (420) to move up and down. The top of the threaded rod (414) is fixedly installed with a handwheel (412) for driving the threaded rod (414) to rotate. The handwheel (412) has a locking rod (413) for locking the handwheel (412).
3. A steel tube piercing and polishing apparatus according to claim 2, characterized in that: The clamping assembly (420) includes a threaded sleeve plate (421) threadedly connected to a threaded rod (414). A support frame (422) for moving up and down with the threaded sleeve plate (421) is fixedly installed at the front end of the threaded sleeve plate (421). A clamping wheel (423) for clamping the steel pipe (300) is movably connected inside the support frame (422).
4. A steel tube piercing and polishing apparatus according to claim 1, characterized in that: The second drive assembly (510) includes a second threaded rod (512) disposed in the through groove (101) for driving the adjustment assembly (520) to move left and right. The left end of the second threaded rod (512) is fixedly mounted with a second motor (511) for driving the second threaded rod (512) to rotate.
5. A steel tube piercing and polishing apparatus according to claim 4, wherein: The adjusting component (520) includes a movable block (521) threadedly connected to the second threaded rod (512). A connecting rod (522) is fixedly installed at the top of the movable block (521). A fixing column (523) is fixedly installed at the top of the connecting rod (522). A third threaded rod (526) is provided inside the fixing column (523) for driving the first grinding component (530) and the second grinding component (540) to move in opposite directions. A second handwheel (524) for driving the third threaded rod (526) to rotate is fixedly installed at the top of the third threaded rod (526). A second locking rod (525) for locking the second handwheel (524) is provided on the wheel body of the second handwheel (524).
6. The steel pipe punching and grinding device according to claim 5, characterized in that: The first grinding assembly (530) includes a second threaded sleeve plate (531) that is threadedly connected to the third threaded rod (526). A connecting plate (532) is fixedly installed at the end of the second threaded sleeve plate (531) away from the fixed post (523). A fixed frame (533) is fixedly installed at the end of the connecting plate (532) away from the second threaded sleeve plate (531). A grinding wheel (534) for grinding the punched parts of the steel pipe (300) is movably connected in the frame of the fixed frame (533).
7. A steel tube piercing and polishing apparatus according to claim 1, characterized in that: The drive device (200) includes a support frame (240) fixedly installed on the top of the base (100), and there are several support frames (240). A rotating shaft (220) for rotation is movably connected to the frame of the support frame (240). A roller (230) for driving the steel pipe (300) to rotate is fixedly installed on the shaft of the rotating shaft (220). A motor (210) for driving the rotating shaft (220) to rotate is provided at the left end of the rotating shaft (220).
Citation Information
Patent Citations
Steel pipe punching and polishing device
CN213858010U