Metal pipe surface polishing device capable of being rotationally adjusted

Abstract

The utility model discloses a metal pipe surface polishing device capable of being adjusted in a rotating mode, and belongs to the technical field of metal pipe polishing, the metal pipe surface polishing device comprises a fixing ring, two sets of limiting rings are fixed in an inner cavity of the fixing ring through a connecting frame, sleeves are arranged on the inner sides of the limiting rings in a sleeved mode, and two sets of aligned containing grooves are formed in an inner cavity of each sleeve. According to the metal pipe polishing device, the servo motor drives the polishing disc to rotate, then the servo motor is matched with the polishing disc to drive the driving gear and the driven gear to rotate the casing pipe, and the polishing disc annularly moves on the outer side of the metal pipe; then the fixing ring completes single linear movement under the cooperation of the threaded rod and the threaded sleeve, all the grinding work of the outer side of the metal pipe can be achieved, the equipment moving distance is shortened, meanwhile, the grinding and polishing efficiency is improved, the supporting base is matched with different clamps, the metal pipes with different lengths are clamped and fixed, and the working efficiency is improved. And the metal pipe can be conveniently clamped and limited.

Description

Technical Field

[0001] The utility model relates to the technical field of metal pipe grinding, in particular to a rotatably adjustable metal pipe surface grinding device. Background Art

[0002] Grinding is a type of surface modification technology. It generally refers to a processing method that uses rough objects (such as sandpaper containing higher hardness particles) to change the physical properties of the material surface through friction. The main purpose is to obtain a specific surface roughness.

[0003] In traditional metal tube surface grinding, multiple linear movements are used to perform circular rotation grinding on the outside of the metal tube. This method requires repeated linear movements, and after each rotation and position adjustment, the metal tube needs to be re-fixed and limited, resulting in lower metal tube grinding efficiency. Fixing metal tubes of different lengths using the same fixing method can easily affect the grinding efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a rotatable and adjustable metal pipe surface grinding device, which moves the movable box and the movable frame through a telescopic movable component, so that the grinding disc and the limiting wheel are aligned and fit on the outside of the metal pipe to grind the metal pipe. At the same time, the sleeve is driven to rotate by a rotating motor under the cooperation of the driving gear and the driven gear, so that the grinding disc rotates around the metal pipe, and then cooperates with the moving fixed ring to gradually grind the metal pipe in an annular shape along the axial direction, thereby improving the efficiency of the metal pipe grinding process to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotatable and adjustable metal pipe surface grinding device, comprising a fixed ring, the inner cavity of the fixed ring is fixed with two groups of limit rings through a connecting frame, the inner side of the limit ring is sleeved with a sleeve, the inner cavity of the sleeve is provided with two groups of aligned receiving grooves, the inner cavities of the two groups of receiving grooves are respectively movably provided with a movable box and a movable frame, the outer side of the sleeve is provided with a telescopic moving component for moving the movable box and the movable frame, the inner cavity of the movable box is installed with a servo motor, the output shaft of the servo motor passes through the outer side of the movable box and is fixed with a grinding disc, a rotating motor is installed between the limit ring and the fixed ring, the output shaft of the rotating motor is fixed with a driving gear, and the outer side of the sleeve is fixed with a driven gear meshing with the driving gear;

[0006] It also includes a fixed base located below the fixed ring, support plates are fixed on both sides of the top of the fixed base, a threaded rod is rotatably connected to the inner side of the support plate through a bearing, the threaded rod is movably connected to the fixed ring through a threaded sleeve, and a driving motor fixedly connected to one end of the threaded rod is fixed to the outer side of the support plate; and

[0007] A support seat and an adjustment assembly are movably arranged on both sides of the top of the fixed base and are used for limiting and clamping the metal pipe. A clamp installation hole is opened on the top of the support seat.

[0008] Preferably, the telescopic moving assembly includes two groups of thread sleeves embedded in the outside of the sleeve, the inner cavity of the thread sleeve is threadedly connected to a screw rod, one end of the screw rod passes through the inner cavity of the storage groove and is movably connected to the movable box and the movable frame through bearings, and the other end of the screw rod is fixed with a rotating handle.

[0009] Preferably, the adjusting assembly includes rotating shafts on both sides that rotate in the inner cavity of the fixed base through bearings, a sprocket is fixed to the outer side of the rotating shaft, and a chain is transmission-connected to the outer side of the sprocket, two groups of through grooves are opened on the top of the fixed base, the support seat extends through the through grooves to the inner cavity of the fixed base and is fixedly connected to the side of the chain, a group of worm wheels are fixed to the outer side of the rotating shaft, and a worm meshing with the worm wheel is rotationally connected to the side of the fixed base through bearings.

[0010] Preferably, the inner cavity of the movable frame is rotatably connected to two sets of limiting wheels via a movable shaft, and the limiting wheels extend to the outside of the movable frame.

[0011] Preferably, a fixing block is fixed to the outer side of the fixing ring, a through hole is opened at the center of the fixing block, and the inner cavity of the through hole is slidably connected to a limiting sliding rod, and both ends of the limiting sliding rod are fixed to the support plate.

[0012] Preferably, a limiting rod is fixed to the inner cavity of the fixed base, and the limiting rod passes through the interior of the supporting seat.

[0013] Preferably, a notch is provided at the center of the top of the support plate, and the notch is at the same height as the limiting ring.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model drives the grinding disc to rotate through a servo motor, and then cooperates with a rotating motor to drive the driving gear and the driven gear to rotate the sleeve, so that the grinding disc can move in a ring shape on the outside of the metal pipe, and then the fixed ring completes a single linear movement with the cooperation of the threaded rod and the threaded sleeve, so as to realize the entire grinding work on the outside of the metal pipe, which not only reduces the moving distance of the equipment, but also improves the grinding and polishing efficiency. Through the support seat and different clamps, metal pipes of different lengths can be clamped and fixed, which is convenient for clamping and limiting the metal pipe.

[0016] 2. The utility model facilitates the positioning of the metal pipe by setting the limiting wheel, thereby preventing the metal pipe from being deformed under the contact of the grinding disc, thereby causing the metal pipe to bend. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the exploded three-dimensional structure of the limit ring and the sleeve of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the sleeve of the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the fixed base of the utility model.

[0021] Numbers in the figure: 1. Fixed ring; 2. Limiting ring; 3. Sleeve; 4. Storage groove; 5. Movable box; 6. Movable frame; 7. Telescopic moving assembly; 71. Thread sleeve; 72. Screw rod; 73. Turning handle; 8. Servo motor; 9. Grinding disc; 10. Rotating motor; 11. Driving gear; 12. Driven gear; 13. Fixed base; 14. Support plate; 15. Threaded rod; 16. Driving motor; 17. Support seat; 18. Adjustment assembly; 181. Rotating shaft; 182. Sprocket; 183. Chain; 184. Worm wheel; 185. Worm; 19. Limiting wheel; 20. Limiting slide rod; 21. Limiting rod. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides Figures 1 to 4 A rotatable and adjustable metal pipe surface grinding device is shown, comprising a fixed ring 1, the inner cavity of the fixed ring 1 is fixed with two groups of limit rings 2 through a connecting frame, the inner side of the limit ring 2 is sleeved with a sleeve 3, the inner cavity of the sleeve 3 is provided with two groups of aligned receiving grooves 4, the inner cavities of the two groups of receiving grooves 4 are respectively movably provided with a movable box 5 and a movable frame 6, the outer side of the sleeve 3 is provided with a telescopic moving component 7 for moving the movable box 5 and the movable frame 6, the inner cavity of the movable box 5 is installed with a servo motor 8, the output shaft of the servo motor 8 passes through the outer side of the movable box 5 and is fixed with a grinding disc 9, a rotating motor 10 is installed between the limit ring 2 and the fixed ring 1, the output shaft of the rotating motor 10 is fixed with a driving gear 11, and the outer side of the sleeve 3 is fixed with a driven gear 12 meshing with the driving gear 11;

[0024] It also includes a fixed base 13 located below the fixed ring 1, support plates 14 are fixed on both sides of the top of the fixed base 13, a threaded rod 15 is rotatably connected to the inner side of the support plate 14 through a bearing, the threaded rod 15 is movably connected to the fixed ring 1 through a threaded sleeve, and a driving motor 16 fixedly connected to one end of the threaded rod 15 is fixed to the outer side of the support plate 14; and

[0025] A support seat 17 and an adjustment assembly 18 are movably arranged on both sides of the top of the fixed base 13 for limiting and clamping the metal pipe. A clamp mounting hole is provided on the top of the support seat 17;

[0026] The grinding disc 9 is driven to rotate by the servo motor 8, and then the driving gear 11 and the driven gear 12 are driven by the rotating motor 10 to rotate the sleeve 3, so that the grinding disc 9 can move in a circular shape on the outside of the metal pipe, and then the fixed ring 1 completes a single linear movement with the cooperation of the threaded rod 15 and the threaded sleeve, so that all the grinding work on the outside of the metal pipe can be achieved, which not only reduces the moving distance of the equipment, but also improves the grinding and polishing efficiency. The support seat 17 is used in combination with different clamps to clamp and fix metal pipes of different lengths, which is convenient for clamping and limiting the metal pipes.

[0027] The telescopic moving component 7 includes two groups of thread sleeves 71 embedded in the outer side of the sleeve 3. The inner cavity of the thread sleeve 71 is threadedly connected with a screw rod 72. One end of the screw rod 72 passes through the inner cavity of the storage groove 4 and is movably connected to the movable box 5 and the movable frame 6 through bearings. The other end of the screw rod 72 is fixed with a rotating handle 73. The screw rod 72 is rotated in the thread sleeve 71 to facilitate driving the movable box 5 and the movable frame 6 to move in the storage groove 4, adjust the distance between the grinding disc 9 and the limiting wheel 19 and the metal pipe, and facilitate the grinding of metal pipes of different sizes.

[0028] The adjusting assembly 18 includes rotating shafts 181 on both sides that rotate in the inner cavity of the fixed base 13 through bearings, a sprocket 182 is fixed to the outer side of the rotating shaft 181, and a chain 183 is connected to the outer side of the sprocket 182 for transmission, and two groups of through grooves are opened on the top of the fixed base 13. The support seat 17 passes through the through grooves and extends to the inner cavity of the fixed base 13 and is fixedly connected to the side of the chain 183. A worm wheel 184 is fixed to the outer side of one group of rotating shafts 181, and a worm 185 meshing with the worm wheel 184 is rotatably connected to the side of the fixed base 13 through bearings. The worm wheel 184 is driven to rotate by the worm 185, and the rotating shaft 181 is driven to make the chain 183 rotate under the cooperation of the rotating shaft 181 and the sprocket 182, and then the relative movement of the upper and lower positions of the chain 183 is used to drive the support seats 17 on both sides to move, adjust the position, and facilitate the use of a clamp to clamp and limit the metal pipe.

[0029] The inner cavity of the movable frame 6 is rotatably connected with two sets of limiting wheels 19 through a movable shaft. The limiting wheels 19 extend to the outside of the movable frame 6. The setting of the limiting wheels 19 facilitates the limiting of the metal tube to prevent the metal tube from deforming under the contact of the grinding disc 9, causing the metal tube to bend.

[0030] A fixed block is fixed to the outside of the fixed ring 1, a through hole is opened at the center of the fixed block, and the inner cavity of the through hole is slidably connected to a limiting slide rod 20, and both ends of the limiting slide rod 20 are fixed on the support plate 14. Through the cooperation between the limiting slide rod 20 and the fixed block, it is convenient to limit the fixing ring 1, ensuring that the fixing ring 1 moves in a straight line with the cooperation of the threaded rod 15.

[0031] A limiting rod 21 is fixed to the inner cavity of the fixed base 13, and the limiting rod 21 runs through the interior of the support seat 17. The setting of the limiting rod 21 facilitates the limiting of the support seat 17 to ensure that the support seat 17 remains stable when moving or stationary.

[0032] A notch is provided at the center of the top of the support plate 14 , and the notch is at the same height as the limiting ring 2 . The notch facilitates the placement of the metal pipe and facilitates the clamping and fixing of the metal pipe whose length is greater than that of the fixed base 13 .

[0033] When in use, the metal tube is inserted into the sleeve 3 and the limiting ring 2, and the rotating handle 73 is turned to drive the screw rod 72 to rotate, and then the screw rod 72 moves in the thread sleeve 71, driving the movable box 5 and the movable frame 6 to move in the storage groove 4, so that the grinding disc 9 and the limiting wheel 19 are fitted on the surface of the metal tube, and then a suitable clamp is selected to be installed on the top of the support seat 17 through the clamp mounting frame to clamp and fix the metal tube, and then the rotating motor 10 is started, and the rotating motor 10 drives the driving gear 11 to rotate, and drives the sleeve 3 to rotate through the driven gear 12. The sleeve 3 rotates on the outside of the metal tube under the restriction of the limiting ring 2, driving the grinding disc 9 and the limiting wheel 19 to rotate, and then the servo motor 8 drives the grinding disc 9 to grind the surface of the metal tube. At the same time, the driving motor 16 drives the threaded rod 15 to drive the fixing ring 1 to move between the support plates 14 through the threaded sleeve, and cooperates with the grinding disc 9 to perform all-round grinding on the outside of the metal tube.

[0034] 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 rotatably adjustable metal pipe surface grinding device, comprising a fixing ring (1), characterized in that: The inner cavity of the fixed ring (1) is fixed with two groups of limiting rings (2) through a connecting frame, the inner side of the limiting ring (2) is sleeved with a sleeve (3), the inner cavity of the sleeve (3) is provided with two groups of aligned receiving grooves (4), the inner cavities of the two groups of receiving grooves (4) are respectively provided with movable boxes (5) and movable frames (6), the outer side of the sleeve (3) is provided with a telescopic moving component (7) for moving the movable box (5) and the movable frame (6), the inner cavity of the movable box (5) is installed with a servo motor (8), the output shaft of the servo motor (8) passes through the outer side of the movable box (5) and is fixed with a grinding disc (9), a rotating motor (10) is installed between the limiting ring (2) and the fixed ring (1), the output shaft of the rotating motor (10) is fixed with a driving gear (11), and the outer side of the sleeve (3) is fixed with a driven gear (12) meshing with the driving gear (11); It also includes a fixed base (13) located below the fixed ring (1), support plates (14) are fixed on both sides of the top of the fixed base (13), a threaded rod (15) is rotatably connected to the inner side of the support plate (14) via a bearing, the threaded rod (15) is movably connected to the fixed ring (1) via a threaded sleeve, and a driving motor (16) fixedly connected to one end of the threaded rod (15) is fixed on the outer side of the support plate (14); and A support seat (17) and an adjustment assembly (18) are movably arranged on both sides of the top of the fixed base (13) for limiting and clamping the metal pipe, and a clamp installation hole is provided on the top of the support seat (17).

2. The rotatably adjustable metal pipe surface grinding device according to claim 1, characterized in that: The telescopic moving assembly (7) comprises two groups of thread sleeves (71) embedded in the outer side of the sleeve (3); the inner cavity of the thread sleeve (71) is threadedly connected to a screw rod (72); one end of the screw rod (72) penetrates into the inner cavity of the storage groove (4) and is movably connected to the movable box (5) and the movable frame (6) through a bearing; the other end of the screw rod (72) is fixed with a rotating handle (73).

3. The rotatably adjustable metal pipe surface grinding device according to claim 1, characterized in that: The adjustment assembly (18) comprises rotating shafts (181) on both sides of the inner cavity of the fixed base (13) rotating through bearings, a sprocket (182) being fixed on the outer side of the rotating shaft (181), a chain (183) being transmission-connected to the outer side of the sprocket (182), two groups of through grooves being opened on the top of the fixed base (13), the support seat (17) passing through the through grooves and extending to the inner cavity of the fixed base (13) and being fixedly connected to the side of the chain (183), a worm wheel (184) being fixed on the outer side of one group of the rotating shafts (181), and a worm (185) meshing with the worm wheel (184) being rotationally connected to the side of the fixed base (13) through a bearing.

4. The rotatably adjustable metal pipe surface grinding device according to claim 1, characterized in that: The inner cavity of the movable frame (6) is rotatably connected to two sets of limiting wheels (19) via a movable shaft, and the limiting wheels (19) extend to the outside of the movable frame (6).

5. The rotatably adjustable metal pipe surface grinding device according to claim 1, characterized in that: A fixing block is fixed on the outside of the fixing ring (1), a through hole is opened at the center of the fixing block, and a limiting sliding rod (20) is slidably connected to the inner cavity of the through hole, and both ends of the limiting sliding rod (20) are fixed on the support plate (14).

6. The rotatably adjustable metal pipe surface grinding device according to claim 1, characterized in that: A limiting rod (21) is fixed in the inner cavity of the fixed base (13), and the limiting rod (21) passes through the interior of the supporting seat (17).

7. The rotatably adjustable metal pipe surface grinding device according to claim 1, characterized in that: A notch is provided at the center of the top of the support plate (14), and the notch is at the same height as the limiting ring (2).

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