Grinding machine for inner wall of steel pipe

Abstract

The utility model discloses a steel pipe inner wall grinding machine which comprises a bearing seat, a first motor is arranged on one side of the upper end face of the bearing seat, a rotating disc is arranged at the output end of the first motor, a fixing shaft is arranged on the outer wall of the rotating disc, and fixing blocks are arranged on the two sides of the outer wall of the fixing shaft. The multiple sets of fixing blocks are arranged in a circumferential shape, connecting rods are hinged to the fixing blocks correspondingly, grinding pieces are hinged to the upper ends of the connecting rods correspondingly, threaded columns are fixedly arranged on the outer walls of the grinding pieces correspondingly, sliding holes are formed in the outer walls of the rotating discs correspondingly, and the threaded columns are located in the sliding holes correspondingly. And fastening nuts are arranged on the threaded columns correspondingly, so that a user can disassemble the threaded columns by rotating the fastening nuts so as to adjust the height of the grinding piece, then the fastening nuts are screwed down to fix the grinding piece, and steel pipes with different inner diameters can be machined conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field more specifically, it relates to a steel pipe inner wall polisher. BACKGROUND

[0002] Steel pipe is a common metal pipe material, is widely used in construction, manufacturing industry, transportation, petroleum and natural gas etc. field, its main feature is high strength, corrosion resistance, long life, can bear larger pressure and temperature change, steel pipe production and application involve multiple links, including raw material selection, production process, quality detection and final application, steel pipe production usually takes high-quality carbon structural steel, low alloy steel or stainless steel as raw material, these materials have good mechanical properties and corrosion resistance, can satisfy the demand of different application scenes, and need to use the polisher to polish the inner wall in the process of processing the steel pipe.

[0003] But the polishing head of traditional polisher is mostly fixed size, resulting in when needing to polish the inner wall of steel pipe of different sizes, will appear not matching or can not put in the steel pipe inside phenomenon, further lead to the polishing effect of steel pipe is poor;

[0004] And after the polishing of steel pipe is completed, because the impurities polished down are located in the inside of pipe body, therefore it is not good to clear it, manual cleaning not only is time-consuming and laborious, and reduces the production efficiency of steel pipe. UTILITY MODEL CONTENT

[0005] (I) the technical problem solved

[0006] In view of the problems in the prior art, the utility model provides a steel pipe inner wall polisher to solve the technical problem that the polishing head of traditional polisher is mostly fixed size, resulting in when needing to polish the inner wall of steel pipe of different sizes, will appear not matching or can not put in the steel pipe inside phenomenon.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a steel pipe inner wall polisher, including the receiving seat, the upper end surface of receiving seat and located one side is equipped with first motor, the output of first motor is equipped with the rotary disc, the outer wall of rotary disc is equipped with fixed shaft, the outer wall of fixed shaft and located both sides is equipped with fixed block, the fixed block is provided with a plurality of and is arranged in the shape of a circle, the fixed block all is hingedly equipped with connecting rod, the upper end of connecting rod all is hingedly equipped with the polishing piece, the outer wall of polishing piece all is fixedly equipped with the threaded column, the outer wall of rotary disc all is equipped with the sliding hole, the threaded column all is located in the inside of sliding hole, the threaded column all is equipped with the binding nut, the binding nut is provided with two groups and all with the inside and outside two sides of rotary disc abuts, the lower extreme of receiving seat is equipped with the base, the upper end surface of base is provided with the clamping mechanism, the clamping mechanism includes the vertical plate.

[0009] The utility model further provides that the outer wall of vertical plate is fixed with a connecting pipe, the outer wall of connecting pipe is fixed with a limiting disc, the outer wall of limiting disc is slidably provided with a sliding block, the sliding block is provided with a plurality of and arranged in the shape of a circle, the outer wall of sliding block is fixedly provided with a clamping plate, the other side of vertical plate is provided with a gas guide pipe, the gas guide pipe is communicated with the connecting pipe, the outer wall of limiting disc is provided with a gas outlet, and the gas outlet is communicated with the connecting pipe.

[0010] The utility model further provides that the outer wall of limiting disc is provided with a second motor, the output of second motor is provided with a screw rod, and the screw rod is threadedly connected with the sliding block.

[0011] The utility model further provides that the upper end surface of base and located both sides are provided with L-shaped blocks, the receiving seat is slidably installed with base through L-shaped block, and the upper end surface of base and located both ends of L-shaped block are provided with fixed blocks.

[0012] The utility model further provides that the middle position of two fixed blocks is rotatably provided with a lead screw, the lead screw is threadedly connected with the receiving seat, and one end of lead screw and located the outer wall of fixed block is provided with a third motor.

[0013] The utility model further provides that the upper end surface of base and located on four corners are all provided with a circumferential hole.

[0014] The utility model further provides that one end of gas guide pipe is fixedly provided with a flange plate.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a steel pipe inner wall polisher, which has the following beneficial effects:

[0017] 1. By setting up a rotating disk, connecting rod, and grinding disc, the user can disassemble the steel pipe according to its inner wall size by rotating the fastening nut. The height of the grinding disc can be adjusted by using the threaded post. After tightening the fastening nut to fix the grinding disc, the first motor is turned on to make the rotating disk drive the grinding disc to rotate, so as to facilitate grinding of steel pipes with different inner diameters.

[0018] 2. By setting up a vertical plate, a limiting plate, a clamping plate, and an air guide pipe, the user can control the second motor to rotate the lead screw, which in turn drives the sliding block and the clamping plate to move, thereby clamping and fixing the steel pipe for subsequent grinding. After grinding is completed, the air guide pipe is connected to external equipment, allowing pressurized gas to enter the connecting pipe and be discharged through the air outlet to clean the inner wall of the steel pipe.

[0019] 3. By setting up a lead screw, a third motor, and a receiving seat, the user can control the third motor to make the lead screw drive the receiving seat and the grinding disc at its upper end to move, thereby adjusting the extension length of the grinding disc to facilitate grinding the inner wall of the steel pipe at different depths. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a steel pipe inner wall grinding machine in its unused state.

[0021] Figure 2 A schematic diagram showing the installation positions of the fixed shaft, fixed block, connecting rod, grinding disc, and threaded post on the rotating disk;

[0022] Figure 3 This is a schematic diagram showing the installation positions of the threaded post and fastening nut on the rotating disk;

[0023] Figure 4 A schematic diagram showing the positions of the upper limit plate, air guide pipe, and flange on the vertical plate;

[0024] Figure 5 This is a schematic diagram showing the positions of the sliding block, clamping plate, second motor, lead screw, and air outlet on the limit plate.

[0025] In the diagram: 1. Receiver; 2. First motor; 3. Rotating disc; 4. Fixed shaft; 5. Fixed block; 6. Connecting rod; 7. Grinding disc; 8. Threaded column; 9. Sliding hole; 10. Fastening nut; 11. Base; 12. Vertical plate; 13. Connecting pipe; 14. Limiting disc; 15. Sliding block; 16. Clamping plate; 17. Air guide pipe; 18. Air outlet; 19. Second motor; 20. Lead screw; 21. L-shaped block; 22. Lead screw; 23. Third motor; 24. External connection hole; 25. Flange. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0028] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0029] Please see Figures 1-5 A steel pipe inner wall grinding machine includes a receiving seat 1. A first motor 2 is provided on the upper end surface of the receiving seat 1 and on one side. A rotating disk 3 is provided at the output end of the first motor 2. A fixed shaft 4 is provided on the outer wall of the rotating disk 3. Fixed blocks 5 are provided on both sides of the outer wall of the fixed shaft 4. Multiple sets of fixed blocks 5 are arranged in a circumferential shape. A connecting rod 6 is hinged to each fixed block 5. A grinding disc 7 is hinged to the upper end of each connecting rod 6. A threaded column 8 is fixed on the outer wall of each grinding disc 7. A sliding hole 9 is correspondingly opened on the outer wall of the rotating disk 3. The threaded column 8 is located inside the sliding hole 9. A fastening nut 10 is provided on each threaded column 8. Two sets of fastening nuts 10 are provided and abut against the inner and outer sides of the rotating disk 3. A base 11 is provided at the lower end of the receiving seat 1. A clamping mechanism is provided on the upper end surface of the base 11. The clamping mechanism includes a vertical plate 12.

[0030] In this embodiment, a connecting pipe 13 is fixedly provided on the outer wall of the upright plate 12, a limiting plate 14 is fixedly provided on the outer wall of the connecting pipe 13, a sliding block 15 is slidably provided on the outer wall of the limiting plate 14, multiple sliding blocks 15 are provided and arranged in a circumferential shape, a clamping plate 16 is fixedly provided on the outer wall of each sliding block 15, an air guide pipe 17 is provided on the other side of the upright plate 12, the air guide pipe 17 is connected to the connecting pipe 13, an air outlet 18 is opened on the outer wall of the limiting plate 14, the air outlet 18 is connected to the connecting pipe 13, a second motor 19 is provided on the outer wall of the limiting plate 14, a lead screw 20 is provided at the output end of the second motor 19, the lead screw 20 is threadedly connected to the sliding block 15, and a flange 25 is fixedly provided at one end of the air guide pipe 17.

[0031] More specifically, the user can disassemble the steel pipe by rotating the fastening nut 10 according to the inner wall size, adjust the height of the grinding disc 7 by using the threaded post 8, and then tighten the fastening nut 10 to fix the grinding disc 7. Finally, turn on the first motor 2 to make the rotating disk 3 drive the grinding disc 7 to rotate, so as to facilitate grinding steel pipes with different inner diameters. When clamping the steel pipe, the second motor 19 can be controlled to rotate the lead screw 20, so that the lead screw 20 drives the sliding block 15 and the clamping plate 16 to move, thereby clamping and fixing the steel pipe for subsequent grinding. After grinding is completed, the air guide pipe 17 is connected to the external equipment, so that pressurized gas enters the connecting pipe 13 and is discharged through the air outlet 18 to clean the inner wall of the steel pipe.

[0032] Please see Figure 1 and Figure 4 As an implementation method for moving the receiving seat 1 to grind steel pipes of different depths: L-shaped blocks 21 are provided on the upper end surface of the base 11 and on both the front and rear sides. The receiving seat 1 is slidably installed with the base 11 through the L-shaped blocks 21. Fixing blocks 5 are provided on the upper end surface of the base 11 and at both ends of the L-shaped blocks 21. A lead screw 22 is rotatably provided in the middle position of the two fixing blocks 5. The lead screw 22 is threadedly connected to the receiving seat 1. A third motor 23 is provided at one end of the lead screw 22 and on the outer wall of the fixing block 5.

[0033] Specifically, the user can control the third motor 23 to make the lead screw 22 drive the receiving seat 1 and the grinding disc 7 at its upper end to move, thereby adjusting the extension length of the grinding disc 7 to facilitate grinding the inner wall of the steel pipe at different depths.

[0034] Please refer to Figure 1 As a further embodiment for fixing the base 11 to the ground: the upper surface of the base 11 and at each of the four corners are provided with external holes 24.

[0035] Specifically, the user can fix the device to the ground through the external port 24.

[0036] In summary, when using the overall equipment: the user can first place the steel pipe to be ground at the front end of the limiting plate 14, then control the second motor 19 to rotate the lead screw 20, so that the lead screw 20 drives the sliding block 15 and the clamping plate 16 to move, thereby clamping and fixing the steel pipe. Then, according to the size of the inner wall of the steel pipe, the user can disassemble it by rotating the fastening nut 10, and adjust the height of the grinding disc 7 by using the threaded column 8. Then, tighten the fastening nut 10 to fix the grinding disc 7. Finally, turn on the first motor 2 to make the rotating plate 3 drive the grinding disc 7 to rotate, and at the same time control the third motor 23 to make the lead screw 22 drive the receiving seat 1 and the grinding disc 7 at its upper end to move, so that the grinding disc 7 enters the interior of the steel pipe, thereby achieving the grinding effect.

[0037] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A steel pipe inner wall grinding machine, comprising a receiving seat (1), characterized in that: A first motor (2) is provided on the upper end face of the receiving seat (1) and on one side. A rotating disk (3) is provided at the output end of the first motor (2). A fixed shaft (4) is provided on the outer wall of the rotating disk (3). Fixed blocks (5) are provided on both sides of the outer wall of the fixed shaft (4). Multiple sets of fixed blocks (5) are arranged in a circumferential shape. A connecting rod (6) is hinged to each fixed block (5). A grinding disc (7) is hinged to the upper end of each connecting rod (6). Threaded columns (8) are fixed on the outer wall of each rotating disk (3), and sliding holes (9) are opened on the outer wall of each rotating disk (3). The threaded columns (8) are located inside the sliding holes (9). Each threaded column (8) is provided with a fastening nut (10). There are two sets of fastening nuts (10) and they abut against the inner and outer sides of the rotating disk (3). The lower end of the receiving seat (1) is provided with a base (11). The upper end surface of the base (11) is provided with a clamping mechanism. The clamping mechanism includes a vertical plate (12).

2. The steel pipe inner wall grinding machine according to claim 1, characterized in that: A connecting pipe (13) is fixedly provided on the outer wall of the upright plate (12). A limiting plate (14) is fixedly provided on the outer wall of the connecting pipe (13). A sliding block (15) is slidably provided on the outer wall of the limiting plate (14). Multiple sliding blocks (15) are provided and arranged in a circular shape. A clamping plate (16) is fixedly provided on the outer wall of each sliding block (15). An air guide pipe (17) is provided on the other side of the upright plate (12). The air guide pipe (17) is connected to the connecting pipe (13). An air outlet (18) is opened on the outer wall of the limiting plate (14). The air outlet (18) is connected to the connecting pipe (13).

3. A steel pipe inner wall grinding machine according to claim 2, characterized in that: The outer wall of the limiting disk (14) is provided with a second motor (19), and the output end of the second motor (19) is provided with a lead screw (20), which is threadedly connected to the sliding block (15).

4. A steel pipe inner wall grinding machine according to claim 1, characterized in that: The upper surface of the base (11) and both the front and rear sides are provided with L-shaped blocks (21). The receiving seat (1) is slidably installed with the base (11) through the L-shaped blocks (21). The upper surface of the base (11) and both ends of the L-shaped blocks (21) are provided with fixing blocks (5).

5. A steel pipe inner wall grinding machine according to claim 4, characterized in that: A lead screw (22) is rotatably provided at the middle position of the two fixed blocks (5). The lead screw (22) is threadedly connected to the receiving seat (1). A third motor (23) is provided at one end of the lead screw (22) and on the outer wall of the fixed block (5).

6. A steel pipe inner wall grinding machine according to claim 1, characterized in that: The base (11) has external holes (24) on its upper surface and at its four corners.

7. A steel pipe inner wall grinding machine according to claim 2, characterized in that: A flange (25) is fixedly provided at one end of the air guide pipe (17).

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