Steel pipe internal grinding machine

Abstract

The present invention relates to the technical field of steel pipe inner circle grinding, and in particular to a steel pipe inner circle grinding machine, comprising a device frame, a base frame is arranged on the outer side of the device frame, a support plate is installed on the top surface of the base frame, a rotating roller is connected between the support plate and the device frame, a base is connected on the outer side of the rotating roller, a steel pipe body is placed on the base, a clamping piece is movably connected to the outer side of the steel pipe body, a movable table is installed on one side of the base, an adjusting member is movably connected inside the movable table, a gear is connected to the adjusting member, and a side wall plate is also arranged on one side of the device frame. This scheme reduces the possibility of reduced grinding efficiency due to the influence of debris in the steel pipe during long-term grinding, reduces the possibility of the position of the steel pipe being offset during grinding, increases the possibility of the device being able to clean chips during grinding, and performs secondary cleaning after grinding is completed, and also improves the fixing effect of the steel pipe, avoiding position offset while rotating.

Description

Technical Field

[0001] The invention relates to the technical field of steel pipe inner circle grinding, in particular to a steel pipe inner circle internal grinding machine. Background Art

[0002] Steel pipe internal grinding machine, also known as steel pipe internal grinding machine or steel pipe internal grinding machine, is a kind of equipment specially used for processing the inner surface of steel pipe. It can process different types of steel pipes such as stainless steel pipes, alloy steel pipes, straight seam welded pipes, etc., and perform grinding, rust removal, defect removal and renovation on their inner surfaces. In order to obtain a smooth and clean inner surface, thereby achieving the purpose of improving the quality of steel pipes and improving economic benefits, steel pipe internal grinding technology is becoming increasingly important.

[0003] Patent announcement number CN214979736U discloses a steel pipe inner wall grinding machine, which grinds the inner circle of the steel pipe by grinding at both ends and uses a roller group to drive the steel pipe to rotate. The device is simple and convenient to use, but grinding at both ends may be asynchronous, and the debris generated during the grinding process will continue to accumulate in the steel pipe. Due to the influence of the debris, the grinding accuracy on both sides will be inconsistent, and the position of the steel pipe is prone to deviation during the rolling of the roller group. For this reason, a steel pipe inner circle internal grinding machine is proposed. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a steel pipe internal grinding machine.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A steel pipe internal grinding machine comprises a device frame, a base frame is arranged on the outside of the device frame, a support plate is installed on the top surface of the base frame, a rotating roller is connected between the support plate and the device frame, a base is connected on the outside of the rotating roller, a steel pipe body is placed on the base, a clamping piece is movably connected to the outside of the steel pipe body, a movable platform is installed on one side of the base, an adjusting member is movably connected inside the movable platform, a gear is connected to the adjusting member, and a side wall plate is also arranged on one side of the device frame.

[0007] Preferably, a movable groove is opened on the movable table, and positioning plates are fixedly installed on the inner walls on both sides of the movable groove. The gear is connected in the movable table, and a driving motor is also installed on one side of the movable table. The gear is connected to the output end of the driving motor, and the gear is rotatably connected in the movable table. A fixed block is installed on the rear side surface of the movable table, and the fixed block is connected to the first cylinder. The first cylinder is installed on the top surface of the device frame, and the fixed block is movably connected in the device frame.

[0008] Preferably, the adjusting member includes an adjusting frame, a rack and a grinding roller, a grinding motor is installed in the adjusting frame, one end of the grinding roller is connected to the output end of the grinding motor, the grinding roller and the adjusting frame are parallel to each other, the grinding roller is located on the bottom side of the adjusting frame, a rack is welded and installed on the top surface of the adjusting frame, the gear and the rack are meshed with each other, positioning grooves are symmetrically opened on both sides of the adjusting frame, and the positioning piece is movably connected in the positioning groove.

[0009] Preferably, a connecting sleeve is installed on the other end of the grinding roller, a groove is provided on the top surface of the side wall plate, a second cylinder is installed in the side wall plate, the telescopic end of the second cylinder passes through the groove, and a moving block is fixedly installed thereon, rubber auxiliary wheels are symmetrically installed on both sides of the moving block, and a rotating plate is also rotatably connected to the top surface of the moving block, a rotating ball is installed in the rotating plate, and a magnetic block is installed on one end of the rotating plate and the moving block, and the two are magnetically connected, and the connecting sleeve is rollingly connected between the auxiliary wheel and the rotating ball.

[0010] Preferably, a rotating motor is also installed in the device frame, the rotating roller is connected between the support plate and the rotating motor, the rotating roller is fixed at the center position of the bottom side of the base, two clamping plates are provided, and the two clamping plates are symmetrically installed on both sides of the base, a plurality of driving rollers are installed in the clamping plates, the steel pipe body is connected between the driving rollers, a plurality of guide rails are installed on the base, the clamping plates are movably connected to the outer side of the guide rails, a clamping motor is also installed on the base, an adjusting screw is provided on the output end of the clamping motor, the clamping plates are respectively threadedly connected to the two ends of the adjusting screw, and the threads opened at the two ends of the adjusting screw are in opposite directions.

[0011] Preferably, two through holes are symmetrically provided on the device frame, a movable plate is inserted into the through holes, the movable plate is supported on the bottom surface of the base, a top frame is also installed on the top surface of the device frame, and a clean air pump is installed in the top frame.

[0012] The beneficial effects of the present invention are:

[0013] This solution can clamp and position the steel pipe through the clamping plate, drive the steel pipe to rotate by the driving roller, and the rotation of the gear can drive the movement of the grinding roller, so as to achieve the effect of grinding the inside of the steel pipe. The position of the connecting sleeve can be supported and positioned by the rotating plate, and the grinding roller can be moved in a small range by the first cylinder and the second cylinder, so as to adjust the grinding pressure. The rotating roller can rotate the angle of the steel pipe to pour out the internal grinding debris, and the use of a cleaning air pump can achieve a cleaning effect.

[0014] This solution reduces the possibility of reduced grinding efficiency due to the influence of debris in the steel pipe during long-term grinding, reduces the possibility of the steel pipe's position shifting during grinding, increases the possibility of the device clearing chips during the grinding process, and performs secondary cleaning after grinding is completed, which also improves the fixing effect of the steel pipe and avoids position shifting while rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the steel pipe internal grinding machine proposed by the present invention;

[0016] Figure 2 This is a schematic diagram of the main structure of the steel pipe internal grinding machine proposed by the present invention;

[0017] Figure 3 This is a schematic structural diagram of the steel pipe internal grinding machine during chip removal proposed by the present invention;

[0018] Figure 4 for Figure 3 A schematic diagram of the rear structure of the part;

[0019] Figure 5 It is a structural schematic diagram of the base part;

[0020] Figure 6 It is a schematic diagram of the main structure of the base part;

[0021] Figure 7 It is a schematic diagram of the structure of the base part viewed from above;

[0022] Figure 8 for Figure 3 Schematic diagram of the structure of part A.

[0023] In the figure: 1. device frame; 2. bottom frame; 3. movable table; 4. first cylinder; 5. gear; 6. top frame; 7. cleaning air pump; 8. rack; 9. clamping plate; 10. side wall plate; 11. support plate; 12. movable plate; 13. steel pipe body; 14. adjustment frame; 15. base; 16. grinding roller; 17. connecting sleeve; 18. driving roller; 19. adjusting screw; 20. rotating roller; 21. guide rail; 22. second cylinder; 23. auxiliary wheel; 24. rotating plate; 25. moving block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Example: Refer to Figure 1-8The steel pipe inner grinding machine comprises a device frame 1, a bottom frame 2 is arranged on the outside of the device frame 1, a support plate 11 is installed on the top surface of the bottom frame 2, a rotating roller 20 is connected between the support plate 11 and the device frame 1, a base 15 is connected to the outside of the rotating roller 20, a steel pipe body 13 is placed on the base 15, a clamping piece 9 is connected to the outside of the steel pipe body 13, a movable platform 3 is installed on one side of the base 15, a movable groove is opened on the movable platform 3 to act on the movement of the adjustment frame 14, and positioning pieces are fixedly installed on the inner walls on both sides of the movable groove to facilitate stable mobile support of the adjustment frame 14, and the gear The wheel 5 is connected in the movable platform 3, and a driving motor is also installed on one side of the movable platform 3. The gear 5 is connected to the output end of the driving motor to achieve the effect of controlling the forward and backward movement of the adjustment frame 14. The gear 5 is rotatably connected in the movable platform 3. A fixed block is installed on the rear side of the movable platform 3, and the fixed block is connected to the first cylinder 4. The first cylinder 4 is installed on the top surface of the device frame 1. The fixed block is movably connected in the device frame 1 to achieve the effect of moving the position of the adjustment frame 14. An adjusting member is movably connected in the movable platform 3, and the adjusting member is connected to the gear 5. A side wall plate 10 is also provided on one side of the device frame 1.

[0026] Specifically, the adjusting member includes an adjusting frame 14, a rack 8 and a grinding roller 16. A grinding motor is installed in the adjusting frame 14. One end of the grinding roller 16 is connected to the output end of the grinding motor to grind the inner wall surface of the steel pipe body 13. The grinding roller 16 and the adjusting frame 14 are parallel to each other, which can avoid the contact between the adjusting frame 14 and the steel pipe body 13 during the adjustment of the grinding roller 16. The grinding roller 16 is located on the bottom side of the adjusting frame 14. A rack 8 is welded and installed on the top surface of the adjusting frame 14. The gear 5 and the rack 8 are meshed with each other to achieve a driving effect. Positioning grooves are symmetrically provided on both sides of the adjusting frame 14. The positioning pieces are movably connected in the positioning grooves. The grinding roller 16 can be replaced according to the size of the steel pipe body 13.

[0027] Furthermore, a connecting sleeve 17 is installed on the other end of the grinding roller 16, and a groove is opened on the top surface of the side wall plate 10. A second cylinder 22 is installed in the side wall plate 10 to act on the up and down adjustment of the moving block 25. The telescopic end of the second cylinder 22 passes through the groove, and the moving block 25 is fixedly installed thereon. Rubber auxiliary wheels 23 are symmetrically installed on both sides of the moving block 25 to act on the rotation support on the bottom side of the connecting sleeve 17. A rotating plate 24 is also rotatably connected to the top surface of the moving block 25, and a rotating ball is installed in the rotating plate 24 to achieve the effect of clamping and limiting the connecting sleeve 17. Magnetic blocks are installed on one end of the rotating plate 24 and the moving block 25, and the two are magnetically connected. The connecting sleeve 17 is rollingly connected between the auxiliary wheel 23 and the rotating ball.

[0028] In this embodiment, a rotating motor is also installed in the device frame 1, and a rotating roller 20 is connected between the support plate 11 and the rotating motor to adjust the angle of the steel pipe body 13. The rotating roller 20 is fixed at the center position of the bottom side of the base 15. Two clamping pieces 9 are provided, and the two clamping pieces 9 are symmetrically installed on both sides of the base 15. A plurality of driving rollers 18 are installed in the clamping piece 9. The steel pipe body 13 is connected between the driving rollers 18 to control the steel pipe body 13 to grind and rotate. A plurality of guide rails 21 are installed on the base 15. The clamping piece 9 is movably connected to the outer side of the guide rail 21 to realize the horizontal clamping movement of the clamping piece 9. The base A clamping motor is also installed on 15, and an adjusting screw 19 is arranged on the output end of the clamping motor. The clamping pieces 9 are respectively threadedly connected to the two ends of the adjusting screw 19, and the threads opened at the two ends of the adjusting screw 19 are in opposite directions to achieve the effect of rotational clamping. Two through holes are symmetrically opened on the device frame 1, and a movable plate 12 is inserted into the through holes. The movable plate 12 is supported on the bottom surface of the base 15 to avoid the shaking of the base 15 during the grinding process. A top frame 6 is also installed on the top surface of the device frame 1, and a cleaning air pump 7 is installed in the top frame 6. The cleaning air pump 7 corresponds to the steel pipe body 13 in the vertical state to achieve a cleaning effect after grinding.

[0029] Working principle: When working, put the steel pipe body 13 into the base 15, control the clamping motor to rotate, the clamping motor drives the adjusting screw 19 to rotate, and the clamping pieces 9 on both sides clamp the steel pipe body 13. When the driving roller 18 contacts the outer surface of the steel pipe body 13, it stops, and then the driving motor is controlled to move, the gear 5 will start to rotate, and under the meshing of the gear 5 and the rack 8, the adjusting frame 14 will gradually move forward, and the grinding roller 16 will extend into the steel pipe body 13. When the connecting sleeve 17 enters After the moving block 25 reaches the corresponding position, the gear 5 stops rotating, and then the second cylinder 22 is controlled to extend, the connecting sleeve 17 is connected to the auxiliary wheel 23, and then the rotating piece 24 is rotated to locate the position of the connecting sleeve 17. At this time, the grinding roller 16 is located at the center of the steel pipe body 13, and at the same time, the first cylinder 4 and the second cylinder 22 are controlled to move downward, and the grinding roller 16 contacts the bottom surface of the steel pipe body 13, and the grinding motor is controlled to start rotating, and at the same time, the driving roller 18 is controlled to rotate, so as to realize continuous grinding inside the steel pipe body 13;

[0030] When grinding is completed or a large amount of debris is generated by grinding and accumulates in the steel pipe body 13, the gear 5 can be controlled to rotate to move the grinding roller 16 out of the steel pipe body 13, and then the two movable plates 12 can be pulled out, and the rotating motor can be controlled to drive. Driven by the rotating roller 20, the base 15 will rotate ninety degrees. At this time, the steel pipe body 13 is in a vertical state, and the impurities inside will be poured into the base frame 2 for collection. If grinding is not completed, the above operation will be reversed and grinding will be performed again. If grinding is completed, the cleaning air pump 7 will be controlled to blow air to the steel pipe body 13 to clean the debris.

[0031] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Steel pipe internal grinding machine, characterized in that: include: A device frame (1), wherein a base frame (2) is arranged on the outside of the device frame (1), a support plate (11) is installed on the top surface of the base frame (2), a rotating roller (20) is connected between the support plate (11) and the device frame (1), a base (15) is connected to the outside of the rotating roller (20), a steel pipe body (13) is placed on the base (15), a clamping piece (9) is movably connected to the outside of the steel pipe body (13), a movable platform (3) is installed on one side of the base (15), an adjusting member is movably connected inside the movable platform (3), and a gear (5) is connected to the adjusting member, and a side wall plate (10) is also arranged on one side of the device frame (1); The movable table (3) is provided with a movable groove, and positioning pieces are fixedly installed on the inner walls of both sides of the movable groove. The adjusting member comprises an adjusting frame (14), a rack (8) and a grinding roller (16). A grinding motor is installed in the adjusting frame (14), one end of the grinding roller (16) is connected to the output end of the grinding motor, the grinding roller (16) and the adjusting frame (14) are parallel to each other, the grinding roller (16) is located on the bottom side of the adjusting frame (14), a rack (8) is welded on the top surface of the adjusting frame (14), the gear (5) and the rack (8) are meshed with each other, positioning grooves are symmetrically provided on both sides of the adjusting frame (14), and the positioning pieces are movably connected in the positioning grooves; A connecting sleeve (17) is installed on the other end of the grinding roller (16), a groove is provided on the top surface of the side wall plate (10), a second cylinder (22) is installed in the side wall plate (10), the telescopic end of the second cylinder (22) penetrates into the groove, and a moving block (25) is fixedly installed thereon, rubber auxiliary wheels (23) are symmetrically installed on both sides of the moving block (25), a rotating plate (24) is rotatably connected to the top surface of the moving block (25), a rotating ball is installed in the rotating plate (24), one end of the rotating plate (24) and the moving block (25) are both installed with a magnetic block, and the two are magnetically connected, and the connecting sleeve (17) is rollingly connected between the auxiliary wheel (23) and the rotating ball.

2. The steel pipe internal grinding machine according to claim 1, characterized in that: A driving motor is also installed on one side of the movable platform (3), the gear (5) is connected to the output end of the driving motor, the gear (5) is rotatably connected inside the movable platform (3), a fixed block is installed on the rear side of the movable platform (3), the fixed block is connected to a first cylinder (4), the first cylinder (4) is installed on the top surface of the device frame (1), and the fixed block is movably connected inside the device frame (1).

3. The steel pipe internal grinding machine according to claim 1, characterized in that: A rotating motor is also installed in the device frame (1), the rotating roller (20) is connected between the support plate (11) and the rotating motor, the rotating roller (20) is fixed at the center position of the bottom side of the base (15), two clamping plates (9) are provided, the two clamping plates (9) are symmetrically installed on both sides of the base (15), a plurality of driving rollers (18) are installed in the clamping plate (9), the steel pipe body (13) is connected between the driving rollers (18), a plurality of guide rails (21) are installed on the base (15), the clamping plate (9) is movably connected to the outer side of the guide rail (21), a clamping motor is also installed on the base (15), an adjusting screw (19) is provided on the output end of the clamping motor, the clamping plate (9) is respectively threadedly connected to the two ends of the adjusting screw (19), and the threads opened at the two ends of the adjusting screw (19) are in opposite directions.

4. The steel pipe internal grinding machine according to claim 1, characterized in that: The device frame (1) has two symmetrical through holes, into which a movable plate (12) is inserted, and the movable plate (12) is supported on the bottom surface of the base (15). A top frame (6) is also installed on the top surface of the device frame (1), and a clean air pump (7) is installed in the top frame (6).

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