Seamless steel tube wall polishing device

Abstract

The utility model discloses a seamless steel pipe wall polishing device which comprises a base, a fixed supporting frame is fixedly installed on the top of the base, a main shaft chuck is fixedly installed on one side of the fixed supporting frame, a seamless steel pipe body is clamped on the inner wall of the main shaft chuck, and an outer wall polishing structure is arranged on the outer wall of the seamless steel pipe body. The outer wall polishing structure comprises a lead screw rotary knob, and the outer wall of the lead screw rotary knob is rotationally connected with a connecting block. According to the polishing device for the pipe wall of the seamless steel pipe, a grinding wheel is adjusted to a proper position by using a lead screw knob, so that a seamless steel pipe body is ground and polished by the grinding wheel, and meanwhile, the interior of the seamless steel pipe body is ground and polished by using an inner wall polishing structure; therefore, a worker can polish the inside and outside of the pipe wall of the seamless steel pipe only through one polishing device, and the use efficiency of the seamless steel pipe wall polishing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing, in particular to a seamless steel pipe wall polishing device. Background Art

[0002] Polishing refers to the use of mechanical, chemical or electrochemical effects to reduce the surface roughness of the workpiece to obtain a bright and smooth surface. It is a modification process of the workpiece surface using polishing tools and abrasive particles or other polishing media. Therefore, seamless steel pipes require a pipe wall polishing device.

[0003] When polishing, the existing seamless steel pipe wall polishing device usually needs to grind and polish the outer pipe wall and the inner pipe wall separately, so that the staff needs to use two polishing devices to polish the inside and outside of the seamless steel pipe in turn, which leads to a large waste of manpower, material resources and time during grinding and polishing, thereby greatly reducing the use efficiency of the seamless steel pipe wall polishing device. At the same time, when grinding and polishing seamless steel pipes of different sizes, it is usually necessary to replace the grinding head of the corresponding size, thereby reducing the applicability of the seamless steel pipe wall polishing device. Utility Model Content

[0004] The utility model aims to provide a seamless steel pipe wall polishing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seamless steel pipe wall polishing device, comprising a base, a fixed support frame is fixedly installed on the top of the base, and a spindle chuck is fixedly installed on one side of the fixed support frame, the inner wall of the spindle chuck is clamped with a seamless steel pipe body, and the outer wall of the seamless steel pipe body is provided with an outer wall polishing structure, the outer wall polishing structure comprises a screw knob, and the outer wall of the screw knob is rotatably connected with a connecting block, the outer wall of the screw knob is threadedly connected with a threaded block, and one side of the threaded block is rotatably connected with an annular frame, the outer wall of the annular frame is rotatably connected with a fixed disk, and one side of the fixed disk is fixedly connected with a fixed column, the outer wall of the fixed column is rotatably connected with a linkage rod, and the outer wall of the linkage rod is slidably connected with a square ring, and one side of the linkage rod is rotatably installed with a grinding wheel;

[0006] The inner wall of the seamless steel pipe body is provided with an inner wall polishing structure, one side of the outer wall polishing structure is fixedly connected to a ring bracket, and one side of the ring bracket is fixedly connected to a movable support frame, a motor is fixedly installed inside the base, and the output shaft of the motor is connected to threaded rod 2 through a coupling, one end of the threaded rod 2 is rotatably connected to a limit strip, and one side of the limit strip is fixedly connected to a T-slot.

[0007] Preferably, the connection block is fixedly connected to one side of the fixed plate, and the fixed plate is fixedly connected to the movable support frame via an annular bracket.

[0008] Preferably, the square ring is rotatably connected to the inner wall of the annular frame, and the grinding wheels are arranged at equal distances on the outer wall of the seamless steel pipe body.

[0009] Preferably, the second threaded rod is threadedly connected to the inside of the movable support frame, the bottom of the movable support frame is slidably connected to the outer wall of the T-slot, and the T-slot is fixedly connected to the top of the base.

[0010] Preferably, the inner wall polishing structure comprises a connecting rod, and one end of the connecting rod is fixedly connected to a connecting plate, one end of the connecting rod is fixedly connected to one side of the annular bracket, and one side of the connecting plate is fixedly connected to a connecting tube.

[0011] Preferably, the inner wall of the connecting tube is threadedly connected with a threaded rod 1, and a trapezoidal block is fixedly installed at one end of the threaded rod 1, and the trapezoidal block is movably arranged inside the connecting tube, and a square hole is opened on the outside of the connecting tube.

[0012] Preferably, an oblique block is squeezed and fitted onto the outer wall of the trapezoidal block, and a rubber ring is provided on the outer wall of the oblique block, the rubber ring is fixedly connected to the outer wall of the connecting tube, and the oblique block is elastically mounted to the connecting tube through the rubber ring, and a frosting block is fixedly connected to the top of the oblique block.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the polishing device for seamless steel pipe wall;

[0014] 1. The grinding wheel is adjusted to a suitable position by using the screw knob, so that the grinding wheel can grind and polish the seamless steel pipe body. At the same time, the inner wall polishing structure is used to grind and polish the inside of the seamless steel pipe body, so that the staff only needs to use one polishing device to polish the inside and outside of the seamless steel pipe wall, thereby improving the use efficiency of the seamless steel pipe wall polishing device;

[0015] 2. The rubber ring is telescopically moved by rotating the threaded rod 1, so that the grinding block can be telescopically adjusted, and the seamless steel pipe wall polishing device can be quickly adjusted according to the inner wall size of the seamless steel pipe body. At the same time, the grinding wheel can be adjusted according to the outer wall diameter of the seamless steel pipe body. Therefore, the staff does not need to replace the grinding head of the corresponding size when dealing with different sizes of pipe walls, thereby improving the applicability of the seamless steel pipe wall polishing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the outer wall polishing structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the inner wall polishing structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the disassembly of the inner wall polishing structure of the utility model.

[0020] In the figure: 1. base; 2. fixed support frame; 3. spindle chuck; 4. seamless steel pipe body; 5. outer wall polishing structure; 501. screw knob; 502. connecting block; 503. threaded block; 504. annular frame; 505. fixed plate; 506. fixed column; 507. linkage rod; 508. square ring; 509. grinding wheel; 6. inner wall polishing structure; 601. connecting rod; 602. connecting plate; 603. threaded rod one; 604. trapezoidal block; 605. connecting cylinder; 606. square hole; 607. oblique block; 608. rubber ring; 609. grinding block; 7. annular bracket; 8. movable support frame; 9. motor; 10. threaded rod two; 11. limit strip; 12. T-slot. DETAILED DESCRIPTION

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

[0022] See also Figure 1-2 The utility model provides a technical solution: a seamless steel pipe wall polishing device, comprising a base 1, a fixed support frame 2 is fixedly installed on the top of the base 1, and a spindle chuck 3 is fixedly installed on one side of the fixed support frame 2, a seamless steel pipe body 4 is clamped on the inner wall of the spindle chuck 3, and an outer wall of the seamless steel pipe body 4 is provided with an outer wall polishing structure 5, the outer wall polishing structure 5 comprises a screw knob 501, and the outer wall of the screw knob 501 is rotatably connected with a connecting block 502, the outer wall of the screw knob 501 is threadedly connected with a threaded block 503, and one side of the threaded block 503 is rotatably connected with an annular frame 504, the outer wall of the annular frame 504 is rotatably connected with a fixed disk 505, and one side of the fixed disk 505 is fixedly connected with a fixed column 506, the outer wall of the fixed column 506 is rotatably connected with a linkage rod 507, and the outer wall of the linkage rod 507 is slidably connected with a square ring 508, and one side of the linkage rod 507 is rotatably installed with a grinding wheel 509;

[0023] The connecting block 502 is fixedly connected to one side of the fixed plate 505, and the fixed plate 505 is fixedly connected to the movable support frame 8 through the annular bracket 7;

[0024] At this time, the screw knob 501 is rotated to limit the position through the connecting block 502, so that the annular frame 504 rotates on the inner wall of the fixed plate 505;

[0025] The square ring 508 is rotatably connected to the inner wall of the annular frame 504, and the grinding wheels 509 are arranged at equal distances on the outer wall of the seamless steel pipe body 4;

[0026] At this time, the rotation of the annular frame 504 causes the linkage rod 507 to rotate through the guidance of the square ring 508, so that the linkage rod 507 will rotate around the fixed column 506 as the central axis, and then the rotation of the linkage rod 507 causes the grinding wheel 509 to fit the outer wall of the seamless steel pipe body 4;

[0027] The threaded rod 10 is threadedly connected to the inside of the mobile support frame 8, the bottom of the mobile support frame 8 is slidably connected to the outer wall of the T-slot 12, and the T-slot 12 is fixedly connected to the top of the base 1;

[0028] The output shaft of the motor 9 will drive the threaded rod 10 to rotate, so that the rotation of the threaded rod 10 will drive the movable support frame 8 to translate, and then the movable support frame 8 will slide on the guide rail on the T-slot 12. The spindle chuck 3 is an existing chuck structure, and the interior of the spindle chuck 3 contains a motor and a chuck, so the spindle chuck 3 can engage and clamp the seamless steel pipe body 4 for rotation.

[0029] The grinding wheel 509 is adjusted to a suitable position by using the screw knob 501, so that the grinding wheel 509 can grind and polish the seamless steel pipe body 4. At the same time, the inner wall polishing structure 6 is used to grind and polish the inside of the seamless steel pipe body 4, so that the staff only needs to use one polishing device to polish the inside and outside of the seamless steel pipe wall, thereby improving the use efficiency of the seamless steel pipe wall polishing device.

[0030] See also Figure 1-4 The utility model provides a technical solution: a seamless steel pipe wall polishing device, the inner wall of the seamless steel pipe body 4 is provided with an inner wall polishing structure 6, one side of the outer wall polishing structure 5 is fixedly connected with an annular bracket 7, and one side of the annular bracket 7 is fixedly connected with a movable support frame 8, a motor 9 is fixedly installed inside the base 1, and the output shaft of the motor 9 is connected with a threaded rod 10 through a coupling, one end of the threaded rod 10 is rotatably connected with a limit strip 11, and one side of the limit strip 11 is fixedly connected with a T-slot 12;

[0031] The inner wall polishing structure 6 includes a connecting rod 601, and one end of the connecting rod 601 is fixedly connected to a connecting piece 602, one end of the connecting rod 601 is fixedly connected to one side of the annular bracket 7, and one side of the connecting piece 602 is fixedly connected to a connecting tube 605;

[0032] At this time, the connecting piece 602 is connected and moved with the annular bracket 7 through the connecting rod 601, so that the connecting piece 602 will drive the connecting tube 605 to move;

[0033] The inner wall of the connecting tube 605 is threadedly connected with a threaded rod 603, and a trapezoidal block 604 is fixedly installed at one end of the threaded rod 603, and the trapezoidal block 604 is movably arranged inside the connecting tube 605, and a square hole 606 is opened on the outer side of the connecting tube 605;

[0034] At this time, rotating the threaded rod 1 603 will drive the trapezoidal block 604 to translate, so that the translation of the trapezoidal block 604 will squeeze the oblique block 607 to move upward;

[0035] The outer wall of the trapezoidal block 604 is pressed and fitted with an oblique block 607, and the outer wall of the oblique block 607 is provided with a rubber ring 608, the rubber ring 608 is fixedly connected to the outer wall of the connecting tube 605, and the oblique block 607 is elastically installed with the connecting tube 605 through the rubber ring 608, and the top of the oblique block 607 is fixedly connected with a frosting block 609;

[0036] Then the oblique block 607 slides in the square hole 606 . At this time, the movement of the oblique block 607 drives the frosting block 609 to rise. The frosting block 609 and the oblique block 607 are elastically limited by the rubber ring 608 .

[0037] The rubber ring 608 is telescopically moved by rotating the threaded rod 603, so that the grinding block 609 can be telescopically adjusted, and the seamless steel pipe wall polishing device can be quickly adjusted according to the inner wall size of the seamless steel pipe body 4. At the same time, the grinding wheel 509 can be adjusted in position according to the outer wall diameter of the seamless steel pipe body 4. Therefore, when dealing with pipe walls of different sizes, the staff does not need to replace the grinding head of the corresponding size, thereby improving the applicability of the seamless steel pipe wall polishing device.

[0038] Working principle: When the seamless steel pipe wall polishing device is used, the spindle chuck 3 will clamp and install the seamless steel pipe body 4. At this time, the rotating screw knob 501 is limited by the connecting block 502, so that the rotation of the screw knob 501 causes the threaded block 503 to move, thereby driving the annular frame 504 to rotate. At this time, the rotation of the annular frame 504 causes the linkage rod 507 to rotate through the guidance of the square ring 508, so that the linkage rod 507 will rotate with the fixed column 506 as the central axis, and then the rotation of the linkage rod 507 causes the grinding wheel 509 to fit the outer wall of the seamless steel pipe body 4. After the inner wall polishing structure 6 is adjusted according to the inner wall diameter of the seamless steel pipe body 4, the output shaft of the motor 9 will drive the threaded rod 10 to rotate, so that the rotation of the threaded rod 10 will drive the movable support frame 8 to translate, and then the movable support frame 8 will slide on the guide rail on the T-slot 12. At this time, the movement of the movable support frame 8 will drive the annular bracket 7 to translate, so that the annular bracket 7 will drive the outer wall polishing structure 5 and the inner wall polishing structure 6 to translate, and at the same time, the spindle chuck 3 drives the seamless steel pipe body 4 to rotate, so that the seamless steel pipe wall polishing device can realize simultaneous grinding and polishing of the inner and outer walls of the pipe wall;

[0039] When the seamless steel pipe wall polishing device faces seamless steel pipes of different sizes, the rotating threaded rod 603 will drive the trapezoidal block 604 to translate, so that the translation of the trapezoidal block 604 will squeeze the oblique block 607 to move upward, and then make the oblique block 607 slide in the square hole 606. At this time, the movement of the oblique block 607 will drive the frosting block 609 to rise, and the frosting block 609 and the oblique block 607 are elastically limited by the rubber ring 608, so that the frosting block 609 is attached to the inner wall of the seamless steel pipe body 4, so that the seamless steel pipe wall polishing device can cope with seamless steel pipes of various sizes.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seamless steel pipe wall polishing device, comprising a base (1), characterized in that: A fixed support frame (2) is fixedly mounted on the top of the base (1), and a spindle chuck (3) is fixedly mounted on one side of the fixed support frame (2); a seamless steel pipe body (4) is clamped on the inner wall of the spindle chuck (3), and an outer wall of the seamless steel pipe body (4) is provided with an outer wall polishing structure (5); the outer wall polishing structure (5) includes a screw knob (501), and the outer wall of the screw knob (501) is rotatably connected to a connecting block (502); the outer wall of the screw knob (501) is threadedly connected to the outer wall of the screw knob (501); A threaded block (503) is provided, and one side of the threaded block (503) is rotatably connected to an annular frame (504), the outer wall of the annular frame (504) is rotatably connected to a fixed disk (505), and one side of the fixed disk (505) is fixedly connected to a fixed column (506), the outer wall of the fixed column (506) is rotatably connected to a linkage rod (507), and the outer wall of the linkage rod (507) is slidably connected to a square ring (508), and one side of the linkage rod (507) is rotatably mounted with a grinding wheel (509); The inner wall of the seamless steel pipe body (4) is provided with an inner wall polishing structure (6), one side of the outer wall polishing structure (5) is fixedly connected to an annular bracket (7), and one side of the annular bracket (7) is fixedly connected to a movable support frame (8), a motor (9) is fixedly installed inside the base (1), and the output shaft of the motor (9) is connected to a threaded rod (10) through a coupling, one end of the threaded rod (10) is rotatably connected to a limit strip (11), and one side of the limit strip (11) is fixedly connected to a T-shaped slot (12).

2. A seamless steel pipe wall polishing device according to claim 1, characterized in that: The connection block (502) is fixedly connected to one side of the fixed disk (505), and the fixed disk (505) is fixedly connected to the movable support frame (8) via an annular support (7).

3. The seamless steel pipe wall polishing device according to claim 1, characterized in that: The square ring (508) is rotatably connected to the inner wall of the annular frame (504), and the grinding wheels (509) are arranged at equal distances on the outer wall of the seamless steel pipe body (4).

4. A seamless steel pipe wall polishing device according to claim 1, characterized in that: The second threaded rod (10) is threadedly connected to the inside of the movable support frame (8), the bottom of the movable support frame (8) is slidably connected to the outer wall of the T-shaped slot (12), and the T-shaped slot (12) is fixedly connected to the top of the base (1).

5. The seamless steel pipe wall polishing device according to claim 1, characterized in that: The inner wall polishing structure (6) comprises a connecting rod (601), one end of which is fixedly connected to a connecting plate (602), one end of which is fixedly connected to one side of an annular bracket (7), and one side of which is fixedly connected to a connecting tube (605).

6. A seamless steel pipe wall polishing device according to claim 5, characterized in that: The inner wall of the connecting tube (605) is threadedly connected to a threaded rod (603), and a trapezoidal block (604) is fixedly installed at one end of the threaded rod (603), and the trapezoidal block (604) is movably arranged inside the connecting tube (605), and a square hole (606) is opened on the outer side of the connecting tube (605).

7. A seamless steel pipe wall polishing device according to claim 6, characterized in that: The outer wall of the trapezoidal block (604) is pressed and fitted with an oblique block (607), and the outer wall of the oblique block (607) is provided with a rubber ring (608), the rubber ring (608) is fixedly connected to the outer wall of the connecting tube (605), and the oblique block (607) is elastically installed with the connecting tube (605) through the rubber ring (608), and the top of the oblique block (607) is fixedly connected with a frosting block (609).

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