Polishing device for pipe fitting machining

Abstract

The utility model relates to the technical field of accessory devices of grinding devices, in particular to a grinding device for pipe fitting machining, which can start to quickly clamp pipe fittings with different diameters and can automatically grind the pipe fittings, so that the grinding efficiency and the grinding quality are improved, and the labor intensity of workers is reduced. Therefore, the practicability of the polishing device for pipe fitting machining is enhanced. Comprising a grinding table, an intelligent control screen is arranged at the front end of the grinding table, a clamping assembly is arranged at the top end of the grinding table, and the clamping assembly comprises two supporting plates, two supporting frames, two rotating columns, a clamping table, two right-hand threaded rods, two rotating rods, two left-hand threaded rods, two second gears, two first rotating rods and four arc electromagnets. A first sliding assembly is arranged at the top end of the grinding table and provided with a sliding plate, and the sliding plate and the top end of the grinding table are connected with the supporting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding device accessories, in particular to a grinding device used for pipe processing. Background Art

[0002] As we all know, grinding is a type of surface modification technology. It generally refers to a processing method that uses rough objects (such as sandpaper containing high-hardness particles) to change the physical properties of the material surface through friction. The main purpose is to obtain a specific surface roughness. Pipe fittings are a general term for components in pipeline systems that perform functions such as connection, control, direction change, diversion, sealing, and support. Steel pipe fittings are all pressure-bearing pipe fittings. Based on different processing techniques, they are divided into four categories: butt-weld pipe fittings (with and without welds), socket-weld and threaded pipe fittings, and flanged pipe fittings.

[0003] During the processing of pipe fittings, since the diameters of pipe fittings are mostly inconsistent, it is difficult to fix the pipe fittings when they are polished, which leads to manual polishing little by little, resulting in low polishing efficiency and poor polishing quality, so the practicality is poor. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a grinding device for pipe processing that can quickly clamp pipes of different diameters and automatically grind the pipes, thereby improving the grinding efficiency and grinding quality, thereby enhancing the practicality of the grinding device.

[0005] The utility model discloses a kind of grinding devices for pipe fitting processing, including polishing table, the front end of polishing table is provided with intelligent control screen, the top of polishing table is provided with clamping assembly, clamping assembly includes two groups of support plate, two groups of support frame, two groups of rotating column, clamping table, two groups of right screw thread dry, two groups of rotating dry, two groups of reverse screw rod, two groups of second gear, two groups of first rotating rod and four groups of arc electromagnet, the top of polishing table is provided with first sliding assembly, sliding plate is set on first sliding assembly, the top of sliding plate and polishing table is respectively connected with support plate, the inner end of two groups of support plate is respectively connected with support frame, the inner end of two groups of support frame is respectively provided with first through hole, two groups of first through hole are respectively connected with rotating column bearing, the inner end of two groups of rotating column is respectively connected with clamping table, the inner end of two groups of clamping table is respectively provided with cover plate assembly, the inner end of two groups of clamping table is respectively provided with first sliding slot, the top of two groups of first sliding slot is respectively connected with right screw rod bearing, two groups of right screw rod are respectively connected with rotating rod, the bottom of two groups of rotating rod is respectively connected with two groups of reverse screw rod, two groups of reverse screw rod are respectively connected with first sliding slot bearing, first gear is respectively set on two groups of rotating rod, two groups of first gear are respectively meshed with second gear tooth surface, the front end of two groups of second gear is respectively connected with first rotating rod bearing, two groups of first rotating rod bearing seal penetrates the front end of clamping table, first sliding block is respectively set on two groups of right screw rod and reverse screw rod, the inner end of four groups of first sliding block is respectively connected with arc electromagnet, the left end of left side support plate is provided with power component, the top of polishing table is provided with support assembly, second sliding assembly is set on support assembly, polishing assembly is set on second sliding assembly.

[0006] Preferably, the cover plate assembly includes two cover plates and twelve first screws, the inner ends of the two clamping tables are respectively provided with six mounting threaded holes, the inner ends of the two cover plates are respectively provided with six mounting through holes, and the twelve first screws are respectively threadedly connected with the mounting through holes and the mounting threaded holes.

[0007] Preferably, the first sliding assembly includes a first threaded rod, the top of the polishing table is provided with a second sliding slot, the left end of the second sliding slot is connected with a first threaded rod bearing, the right end of the first threaded rod bearing seal penetrates the polishing table, a second sliding block is provided on the first threaded rod, and the top of the second sliding block is connected with the sliding plate.

[0008] Preferably, the power component includes a speed reducer and a clamping block, the left end of the left side support plate is connected with the speed reducer, the output end bearing of the speed reducer seal penetrates the right end of the left side support plate, the left end of the left rotating column is provided with a clamping groove, the output end of the speed reducer is connected with the clamping block, and the clamping groove is clamped with the clamping block.

[0009] Preferably, the support assembly includes four support rods and a top plate, the top of the polishing table is connected with the four support rods, and the top ends of the four support rods are connected with the top plate.

[0010] Preferably, the second sliding assembly includes a slide, a servo motor, a second threaded rod and a fixed column. The bottom end of the top plate is connected to the slide, a third slide groove is provided at the bottom end of the slide, the right end of the slide is connected to the servo motor, the output end bearing seal of the servo motor is inserted into the third slide groove, the output end of the servo motor is connected to the second threaded rod, the left end of the second threaded rod is connected to the third slide groove bearing, a third slider is provided on the second threaded rod, the bottom end of the third slider is connected to the fixed column, and a grinding assembly is provided on the fixed column.

[0011] Preferably, the grinding assembly includes two groups of guide plates, two groups of clamping slides, a mounting block, a third threaded rod, a grinding block, two groups of fixing plates and eight groups of second screws. The front end of the fixing column is connected to the two groups of guide plates, and the front ends of the two groups of guide plates are respectively provided with clamping grooves, and the two groups of clamping grooves are respectively slidably clamped with the clamping slides, the inner ends of the two groups of clamping slides are respectively connected to the mounting blocks, and the rear end of the mounting block is connected to the third threaded rod bearing, the rear end of the fixing column is provided with a first through-threaded hole, and the first through-threaded hole is threadedly connected to the third threaded rod, the mounting block is tightly attached to the grinding block, and the top and bottom ends of the mounting block and the grinding block are respectively provided with two groups of fixed threaded holes, and the top and bottom ends of the two groups of fixing plates are respectively provided with four groups of fixed through-holes, and the eight groups of second screws are respectively threadedly connected to the fixed threaded holes through the fixed through-holes.

[0012] Preferably, four sets of rotating disks are further included, and the front ends of the two sets of first rotating rods, the right end of the first threaded rod, and the rear end of the third threaded rod are respectively connected to the rotating disks.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: first, the grinding table is placed in a suitable position, and then the length of the pipe is measured, and then the position of the right support column is adjusted by the first sliding component, and then the pipe is placed on the two sets of arc-shaped electromagnets at the bottom, and then the two sets of arc-shaped electromagnets are started to adsorb the pipe, and then the two sets of first rotating rods are rotated to drive the two sets of second gears to rotate, and then the two sets of second gears drive the first gear and the two sets of rotating rods to rotate, and then the two sets of rotating rods drive the two sets of positive thread rods and reverse thread rods to rotate, thereby driving the two sets of The first slider and the arc-shaped electromagnetic table move toward the middle to clamp the pipe between the two groups of arc-shaped electromagnets. The pipe is then adsorbed by starting the two groups of arc-shaped electromagnets on the top. The position of the grinding block is then adjusted through the grinding assembly so that the grinding block is in contact with the pipe. The power assembly and the second sliding assembly are then started through the intelligent control screen. The power assembly drives the pipe to rotate, and the second sliding assembly drives the grinding device to move, so that the pipe is quickly polished by the grinding block, thereby improving the grinding efficiency and quality, thereby enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the connection structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure between the support plate and the reduction motor of the utility model;

[0016] Figure 3 This is a schematic diagram of the connection structure between the mounting plate and the clamping slider of the utility model;

[0017] Figure 4 It is a schematic diagram of the enlarged structure of the A part of the utility model;

[0018] Markings in the accompanying drawings: 1. grinding table; 2. intelligent control screen; 3. skateboard; 4. support plate; 5. support frame; 6. rotating column; 7. clamping table; 8. positive threaded rod; 9. rotating rod; 10. reverse threaded rod; 11. first gear; 12. second gear; 13. first rotating rod; 14. first slider; 15. arc electromagnet; 16. cover plate; 17. first screw; 18. first threaded rod; 19. second slider; 20. reduction motor; 21. clamping block; 22. support rod; 23. top plate; 24. slide; 25. servo motor; 26. second threaded rod; 27. fixed column; 28. guide plate; 29. ​​clamping slider; 30. mounting block; 31. third threaded rod; 32. grinding block; 33. fixed plate; 34. second screw; 35. rotating disk; 36. third slider. DETAILED DESCRIPTION

[0019] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 4As shown, the utility model is a grinding device for pipe processing, comprising a grinding table 1, a front end of the grinding table 1 is provided with an intelligent control screen 2, a top end of the grinding table 1 is provided with a clamping assembly, the clamping assembly comprises two groups of support plates 4, two groups of support frames 5, two groups of rotating columns 6, a clamping table 7, two groups of positive thread stems, two groups of rotating stems, two groups of reverse thread rods 10, two groups of second gears 12, two groups of first rotating rods 13 and four groups of arc-shaped electromagnets, a first sliding assembly is provided at the top end of the grinding table 1, a slide plate 3 is provided on the first sliding assembly, the slide plate 3 and the top end of the grinding table 1 are respectively connected to the support plate 4, the inner ends of the two groups of support plates 4 are respectively connected to the support frames 5, the inner ends of the two groups of support frames 5 are respectively provided with first through-holes, and the two groups of first through-holes are respectively provided with first through-holes. The through-openings are respectively connected to the bearings of the rotating columns 6, the inner ends of the two groups of rotating columns 6 are respectively connected to the clamping platforms 7, the inner ends of the two groups of clamping platforms 7 are respectively provided with cover plate 16 components, the inner ends of the two groups of clamping platforms 7 are respectively provided with first slide grooves, the top ends of the two groups of first slide grooves are respectively connected to the positive threaded rod 8 bearings, the two groups of positive threaded rods 8 are respectively connected to the rotating rod 9, the bottom ends of the two groups of rotating rods 9 are respectively connected to the two groups of reverse threaded rods 10, the two groups of reverse threaded rods 10 are respectively connected to the first slide groove bearings, the two groups of rotating rods 9 are respectively provided with first gears 11, the two groups of first gears 11 are respectively engaged with the tooth surfaces of the second gears 12, the front ends of the two groups of second gears 12 are respectively connected to the first rotating rod 13 bearings, and the two groups of first rotating rods 13 bearing seals pass through the clamping At the front end of the table 7, two groups of positive threaded rods 8 and reverse threaded rods 10 are respectively provided with first sliders 14, and the inner ends of the four groups of first sliders 14 are respectively connected to the arc-shaped electromagnets 15, and the left end of the left support plate 4 is provided with a power component, and the top of the grinding table 1 is provided with a support component, and the support component is provided with a second sliding component, and the second sliding component is provided with a grinding component; first, the grinding table is placed in a suitable position, and then the length of the pipe is measured, and then the position of the right support column is adjusted by the first sliding component, and then the pipe is placed on the two groups of arc-shaped electromagnets at the bottom, and then the two groups of arc-shaped electromagnets are started to adsorb the pipe, and then the two groups of second gears are driven to rotate by rotating the two groups of first rotating rods, and then the two groups of second gears are driven to rotate. The gear drives the first gear and two sets of rotating rods to rotate, and then the two sets of rotating rods drive the two sets of positive threaded rods and reverse threaded rods to rotate, thereby driving the two sets of first slide blocks and arc-shaped electromagnetic tables to move toward the middle, so that the pipe fittings are clamped between the two sets of arc-shaped electromagnets, and then the pipe fittings are adsorbed by starting the two sets of arc-shaped electromagnets on the top, and then the position of the grinding block is adjusted through the grinding assembly, so that the grinding block is in contact with the pipe fitting at this time, and then the power assembly and the second sliding assembly are started through the intelligent control screen, and then the power assembly drives the pipe fitting to rotate, and then the second sliding assembly drives the grinding device to move, so as to quickly grind the pipe fittings through the grinding block, thereby improving the grinding efficiency and grinding quality, thereby enhancing practicality.

[0021] As a preferred embodiment of the above, the cover plate 16 assembly includes two groups of cover plates 16 and twelve groups of first screws 17. The inner ends of the two groups of clamping platforms 7 are respectively provided with six groups of mounting threaded holes, and the inner ends of the two groups of cover plates 16 are respectively provided with six groups of mounting through holes. The twelve groups of first screws 17 are respectively threadedly connected to the mounting threaded holes through the mounting through holes; the two groups of first slide grooves can be sealed by the twelve groups of first screws and two groups of cover plates, so as to protect the parts in the first slide groove and facilitate the repair and maintenance of the internal parts of the first slide groove, thereby enhancing practicality.

[0022] As a preferred embodiment of the above, the first sliding assembly includes a first threaded rod 18, a second slide groove is provided at the top of the grinding table 1, the left end of the second slide groove is connected to the bearing of the first threaded rod 18, the bearing seal of the first threaded rod 18 passes through the right end of the grinding table 1, and a second slider 19 is provided on the first threaded rod 18, and the top of the second slider 19 is connected to the slide plate 3; when clamping the pipe fitting, first measure the length of the pipe fitting, and then rotate the first threaded rod to drive the second slider to move, thereby driving the slide plate and the top clamping assembly to move, thereby fixing pipe fittings of different lengths, thereby enhancing practicality.

[0023] As a preferred embodiment of the above, the power assembly includes a reduction motor 20 and a clamping block 21. The left end of the left support plate 4 is connected to the reduction motor 20. The output end bearing seal of the reduction motor 20 passes through the right end of the left support plate 4. The left end of the left rotating column 6 is provided with a clamping groove. The output end of the reduction motor 20 is connected to the clamping block 21, and the clamping groove is clamped with the clamping block 21. The output end of the reduction motor can be clamped with the left rotating column through the clamping block and the clamping groove, so that the left rotating column and the clamped pipe are driven to rotate by the reduction motor, thereby facilitating the grinding of the pipe surface by the grinding block, thereby enhancing practicality.

[0024] As a preferred embodiment of the above embodiment, the support assembly includes four groups of support rods 22 and a top plate 23. The top of the grinding table 1 is connected to the four groups of support rods 22, and the top of the four groups of support rods 22 is connected to the top plate 23. The second sliding assembly and the grinding assembly can be supported by the four groups of support rods and the top plate, thereby enhancing practicality.

[0025] As a preferred embodiment of the above embodiment, the second sliding assembly includes a slide 24, a servo motor 25, a second threaded rod 26 and a fixed column 27. The bottom end of the top plate 23 is connected to the slide 24, and the bottom end of the slide 24 is provided with a third slide groove. The right end of the slide 24 is connected to the servo motor 25, and the output end bearing seal of the servo motor 25 is inserted into the third slide groove. The output end of the servo motor 25 is connected to the second threaded rod 26, and the left end of the second threaded rod 26 is connected to the third slide groove bearing. A third slider 36 is provided on the second threaded rod 26, and the bottom end of the third slider 36 is connected to the fixed column 27, and a grinding assembly is provided on the fixed column 27; when the grinding assembly is moved, the second threaded rod is driven to rotate by the servo motor, and the third slider 36 is driven to move by the second threaded rod, and the movement of the fixed column and the grinding assembly is driven, so as to facilitate the grinding of the surface of the pipe fitting, thereby enhancing practicality.

[0026] As a preferred embodiment of the above embodiment, the grinding assembly includes two groups of guide plates 28, two groups of card-mounted sliders 29, a mounting block 30, a third threaded rod 31, a grinding block 32, two groups of fixed plates 33 and eight groups of second screws 34. The front end of the fixed column 27 is connected to the two groups of guide plates 28, and the front ends of the two groups of guide plates 28 are respectively provided with card-mounted slides. The two groups of card-mounted slides are respectively slidably mounted with the card-mounted sliders 29. The inner ends of the two groups of card-mounted sliders 29 are respectively connected to the mounting blocks 30. The rear end of the mounting block 30 is connected to the third threaded rod 31 bearing. The rear end of the fixed column 27 is provided with a first through-threaded hole. The first through-threaded hole is threadedly connected to the third threaded rod 31. The mounting block 30 is in close contact with the grinding block 32. The mounting block 30 and the grinding The top and bottom ends of the grinding block 32 are respectively provided with two groups of fixing threaded holes, and the top and bottom ends of the two groups of fixing plates 33 are respectively provided with four groups of fixing through holes, and the eight groups of second screws 34 are respectively threadedly connected to the fixing threaded holes through the fixing through holes; when installing the grinding block, the two groups of fixing plates are first installed on the grinding block through the four groups of second screws, and then the mounting block is clamped by the two groups of fixing plates, and then the two groups of fixing plates are fixedly connected to the mounting block through the four groups of second screws, and then the mounting block and the grinding block are driven to move forward by rotating the third threaded rod, and are guided to move by the clamping groove and the clamping slider, so that the grinding block is in contact with the surface of the pipe fitting at this time, thereby facilitating the subsequent grinding of the pipe fitting, thereby enhancing practicality.

[0027] As a preference of the above embodiment, four groups of rotating disks 35 are further included, and the front ends of the two groups of first rotating rods 13, the right end of the first threaded rod 18, and the rear end of the third threaded rod 31 are respectively connected to the rotating disks 35; the four groups of rotating disks can be used to facilitate the rotation of the two groups of first rotating rods, the first threaded rod, and the third threaded rod, thereby enhancing practicality.

[0028] The utility model discloses a grinding device for pipe processing, and its working principle is as follows: when it is working, first, according to the size of the pipe to be ground, the operator sets the relevant parameters through the intelligent control screen, and places the grinding table in a suitable working position, and then uses the first sliding component to rotate the first threaded rod to drive the second slider and the slide plate to move left and right along the second slide groove, so as to adjust the position of the right support column (that is, a part of the clamping component) to adapt to pipes of different lengths. After measuring the length of the pipe, it is adjusted appropriately to ensure that the pipe can be clamped stably, and then the two sets of arc-shaped electromagnets are turned on to adsorb and fix the pipe placed under the clamping table. Then, the operator rotates the two sets of first rotating rods. This action drives the positive threaded rod and the reverse threaded rod to rotate through the gear transmission system (including the first gear and the second gear), thereby causing the first slider 14 to move along the first slide groove, pushing the clamping table and its The arc-shaped electromagnet on the upper part approaches the center, thereby clamping the pipe fitting. This process ensures the stability and safety of the pipe fitting during the grinding process. Then the power component, including the reduction motor, is connected to the left rotating column through the clamping block. When the motor starts, it drives the left rotating column and the pipe fitting fixed by the clamping component to rotate together. Then the second sliding component is driven by the servo motor, and the grinding component (including the guide plate, the clamping slider, the mounting block and the grinding block, etc.) is adjusted to move horizontally along the slide table through the second threaded rod and the third slider (36), accurately controlling the contact and grinding trajectory between the grinding block and the pipe fitting surface. Then, as the power component rotates the pipe fitting, the second sliding component controls the grinding device to move evenly along the length direction of the pipe fitting. The surface of the pipe fitting is continuously and quickly polished by the grinding block installed on the fixed column. The intelligent control screen can monitor and adjust the grinding speed, force and other parameters in real time to ensure the grinding effect and efficiency.

[0029] The terms "vertical," "horizontal," "left," "right," and the like are used herein for descriptive purposes only.

[0030] The "first", "second" and "third" in the present invention do not represent specific quantities and orders, but are only used to distinguish names.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A grinding device for pipe processing, comprising a grinding table (1), a front end of the grinding table (1) is provided with an intelligent control screen (2), and a top end of the grinding table (1) is provided with a clamping assembly; characterized in that, The clamping assembly comprises two groups of support plates (4), two groups of support frames (5), two groups of rotating columns (6), a clamping platform (7), two groups of positive thread stems, two groups of rotating stems, two groups of reverse thread rods (10), two groups of second gears (12), two groups of first rotating rods (13) and four groups of arc-shaped electromagnets. A first sliding assembly is provided at the top of the grinding platform (1), a slide plate (3) is provided on the first sliding assembly, and the tops of the slide plate (3) and the grinding platform (1) are respectively connected to the support plate (4). The inner ends of the two groups of support plates (4) are respectively connected to the support frame (5), the inner ends of the two groups of support frames (5) are respectively provided with a first through-hole, the two groups of first through-holes are respectively connected to the bearings of the rotating column (6), the inner ends of the two groups of rotating columns (6) are respectively connected to the clamping platform (7), the inner ends of the two groups of clamping platforms (7) are respectively provided with a cover plate (16) assembly, the inner ends of the two groups of clamping platforms (7) are respectively provided with a first slide groove, the top ends of the two groups of first slide grooves are respectively connected to the positive thread rod (8 ) bearing connection, two groups of positive threaded rods (8) are respectively connected to the rotating rod (9), the bottom ends of the two groups of rotating rods (9) are respectively connected to the two groups of reverse threaded rods (10), the two groups of reverse threaded rods (10) are respectively connected to the first slide bearing, the two groups of rotating rods (9) are respectively provided with a first gear (11), the two groups of first gears (11) are respectively engaged with the tooth surface of the second gear (12), the front ends of the two groups of second gears (12) are respectively connected to the first rotating rod (13) bearing, the two groups of first rotating rod (13) bearing seals pass through the front end of the clamping platform (7), the two groups of positive threaded rods (8) and the reverse threaded rods (10) are respectively provided with a first slider (14), the inner ends of the four groups of first sliders (14) are respectively connected to the arc electromagnet (15), the left end of the left support plate (4) is provided with a power assembly, the top of the grinding table (1) is provided with a support assembly, the support assembly is provided with a second sliding assembly, and the second sliding assembly is provided with a grinding assembly.

2. A grinding device for pipe processing according to claim 1, characterized in that: The cover plate (16) assembly includes two groups of cover plates (16) and twelve groups of first screws (17). The inner ends of the two groups of clamping platforms (7) are respectively provided with six groups of mounting threaded holes, and the inner ends of the two groups of cover plates (16) are respectively provided with six groups of mounting through holes. The twelve groups of first screws (17) are respectively threadedly connected to the mounting threaded holes through the mounting through holes.

3. A grinding device for pipe processing according to claim 2, characterized in that: The first sliding assembly includes a first threaded rod (18), a second slide groove is provided at the top of the grinding table (1), the left end of the second slide groove is connected to the bearing of the first threaded rod (18), the bearing seal of the first threaded rod (18) passes through the right end of the grinding table (1), a second slider (19) is provided on the first threaded rod (18), and the top end of the second slider (19) is connected to the slide plate (3).

4. A grinding device for pipe processing according to claim 3, characterized in that: The power assembly comprises a reduction motor (20) and a clamping block (21); the left end of the left support plate (4) is connected to the reduction motor (20); the output end bearing seal of the reduction motor (20) passes through the right end of the left support plate (4); the left end of the left rotating column (6) is provided with a clamping slot; the output end of the reduction motor (20) is connected to the clamping block (21); and the clamping slot is clamped to the clamping block (21).

5. A grinding device for pipe processing according to claim 4, characterized in that: The supporting assembly comprises four groups of supporting rods (22) and a top plate (23); the top end of the polishing table (1) is connected to the four groups of supporting rods (22); and the top ends of the four groups of supporting rods (22) are connected to the top plate (23).

6. A grinding device for pipe processing according to claim 5, characterized in that: The second sliding assembly includes a slide (24), a servo motor (25), a second threaded rod (26) and a fixed column (27). The bottom end of the top plate (23) is connected to the slide (24). The bottom end of the slide (24) is provided with a third slide groove. The right end of the slide (24) is connected to the servo motor (25). The output end bearing seal of the servo motor (25) is inserted into the third slide groove. The output end of the servo motor (25) is connected to the second threaded rod (26). The left end of the second threaded rod (26) is connected to the third slide groove bearing. A third slider (36) is provided on the second threaded rod (26). The bottom end of the third slider (36) is connected to the fixed column (27). A grinding assembly is provided on the fixed column (27).

7. A grinding device for pipe processing according to claim 6, characterized in that: The grinding assembly includes two groups of guide plates (28), two groups of clamping slide blocks (29), a mounting block (30), a third threaded rod (31), a grinding block (32), two groups of fixing plates (33) and eight groups of second screws (34). The front end of the fixing column (27) is connected to the two groups of guide plates (28). The front ends of the two groups of guide plates (28) are respectively provided with clamping slide grooves. The two groups of clamping slide grooves are respectively slidably clamped with the clamping slide blocks (29). The inner ends of the two groups of clamping slide blocks (29) are respectively connected to the mounting blocks (30). The mounting blocks (3 0) is connected to the bearing of the third threaded rod (31), the rear end of the fixing column (27) is provided with a first through-threaded hole, the first through-threaded hole is threadedly connected to the third threaded rod (31), the mounting block (30) is in close contact with the grinding block (32), the top and bottom ends of the mounting block (30) and the grinding block (32) are respectively provided with two groups of fixed threaded holes, the top and bottom ends of the two groups of fixing plates (33) are respectively provided with four groups of fixed through-holes, and the eight groups of second screws (34) are respectively threadedly connected to the fixed threaded holes through the fixed through-holes.

8. A grinding device for pipe processing according to claim 7, characterized in that: It also includes four groups of rotating disks (35), and the front ends of the two groups of first rotating rods (13), the right end of the first threaded rod (18), and the rear end of the third threaded rod (31) are respectively connected to the rotating disks (35).

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