Internal grinding machine for seamless steel pipe machining

By designing an internal mill for seamless steel pipe processing, the spacing is adjusted using rotary screw and casing, combined with the use of negative pressure fan and electric grinding roller, the problems of inconvenient rolling of steel pipes and difficulty in garbage disposal are solved, and the problem of inconvenient rolling of steel pipes and difficult garbage disposal is achieved. Efficient cleaning of steel pipe inner walls and garbage storage.

CN222520912UActive Publication Date: 2025-02-25常州市盛诺管业有限公司
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Patent Information

Application Number
CN202421329115.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-02-25
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

During the seamless steel pipe processing, it is difficult for existing internal mills to adjust the spacing of external push mechanisms, resulting in inconvenient rolling of steel pipes, and it is difficult to quickly deal with garbage and limit the moving position of steel pipes.

Method used

An internal mill including a table plate and a movable chamber is designed. By rotating the screw and casing, the distance between the mounting plate and the rotating roller is adjusted to realize the in-situ rotation of the steel pipe and the inner wall cleaning. At the same time, negative pressure fans and electric grinding rollers are used to clean up dirt and store garbage, and the movement of the steel pipe is restricted through the limiting cylinder and slide rail.

Benefits of technology

The spacing adjustment of the inner mill is realized, garbage is quickly disposed of, and the moving position of the steel pipe is restricted, improving the efficiency and safety of the inner wall of the steel pipe.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222520912U_ABST
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Abstract

The utility model discloses an internal mill for seamless steel pipe processing, which comprises a table plate and a movable chamber, the movable chamber is arranged in front of the position between two sides in the table plate, a screw rod is movably connected between two sides in the movable chamber, two sides of the outside of the screw rod are sleeved with sleeves, and the sleeves are in threaded connection with the table plate. And first bolts are connected between the front portions of the sleeves and the lead screws in an engaged mode correspondingly, and a mounting plate is fixed to the front portions of the sleeves. According to the internal grinding machine for seamless steel pipe machining, the rear portion of the mounting plate is movably connected with a rotating roller and a rotating lead screw through a rotating shaft, sleeves on the two sides are oppositely translated under the limitation of a movable cavity, so that the distance between the mounting plate and the rotating roller is adjusted, and the two motors can control the rotating roller connected behind to rotate in the same direction; and the steel pipe lapped between the tops of the rotating rollers is guided by the rotating rollers to rotate in situ, the electric grinding rollers embedded in the lower portion of the interior of the steel pipe can clean dirt on the inner wall of the pipe body, and the problem that the auxiliary steel pipe is inconvenient to roll is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of internal grinding machines, in particular to an internal grinding machine used for processing seamless steel pipes. Background Art

[0002] Seamless steel pipe is a pipe without welds on the surface. It can be processed in a variety of ways, including hot rolling, cold rolling, cold drawing, extrusion and other methods. The resulting pipe body must not have cracks. During use, the bearing capacity is stronger than that of previous welded pipes, and leakage is reduced accordingly.

[0003] In order to keep the inner wall of the steel pipe smooth and tidy, it is necessary to use an internal grinder to grind the burrs and metal residues on the inner wall. The outer surface of the internal grinder is often fitted and controlled by a rotating roller. The diameter and thickness of the steel pipe are different, and it is often difficult to adjust according to processing requirements.

[0004] Now, a new type of internal grinding machine for seamless steel pipe processing is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an internal grinding machine for processing seamless steel pipes, so as to solve the problem of inconvenience in rolling the steel pipes mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an internal grinding machine for processing seamless steel pipes, comprising a table top and a movable chamber, wherein the movable chamber is arranged in the front between the two sides inside the table top, and a screw rod is movably connected between the two sides inside the movable chamber, sleeves are sleeved on both sides outside the screw rod, and the front of the sleeve is respectively meshed with a first bolt connected to the screw rod, a mounting plate is fixed in front of the sleeve, and a motor is fixed in front of the mounting plate, a roller is movably connected to the rear of the mounting plate through a rotating shaft, and a steel pipe is movably overlapped between the tops of the rollers.

[0007] Preferably, the roller can rotate in the same direction behind the mounting plate under the control of the motor, and the steel pipe and the roller rotate in opposite directions.

[0008] Preferably, the inner wall of the sleeve is engraved with patterns matching the screw rod, and the sleeve and the screw rod are arranged in concentric circles.

[0009] Preferably, a card slot is horizontally arranged at the center of the lower inner part of the table board, and a storage box is fixedly inserted between the front and rear of the card slot, a negative pressure fan is installed at the bottom end of the storage box, a column is welded at the center of the front top of the table board, and a screw hole is arranged inside the column, a card block is movably sleeved on the outside of the column, and a fourth bolt is meshed and connected between the card block and one end of the column, an electric grinding roller is movably connected to the rear of the card block, slide rails are welded on both sides of the card block, and an adsorption plate is movably inserted inside the slide rails, a third bolt is meshed and connected between the top of the adsorption plate and the slide rail, and a connecting pipe is installed between the adsorption plate and the storage box.

[0010] Preferably, the adsorption plate can slide left and right along the slide rail, and the adsorption plate is connected to the storage box through a connecting pipe.

[0011] Preferably, the clamping block can slide down along the surface of the column, and the electric grinding roller is arranged laterally behind the clamping block.

[0012] Preferably, a bracket is connected between the four corners of the top of the table top, and a clamping sleeve is welded at the center of the front end of the bracket, a pull-out rod is vertically inserted in the clamping sleeve, the front of the clamping sleeve is engaged with a fifth bolt, the bottom of the pull-out rod is movably connected to a sleeve block, and the rear of the sleeve block is movably connected to a limiting cylinder, and both sides of the sleeve block are engaged with a second bolt.

[0013] Preferably, the limiting cylinder can rotate in situ behind the sleeve block, and the draw rod can slide up and down along the inner groove of the sleeve.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the internal grinding machine for seamless steel pipe processing not only realizes the adjustment of the spacing of the external driving mechanism and the rapid disposal of garbage, but also realizes the restriction of the moving position of the steel pipe;

[0015] (1) A roller is movably connected to the rear of the mounting plate through a rotating shaft, and a screw is rotated on one side in front of the table board. Under the restriction of the movable chamber, the sleeves on both sides are simultaneously translated in opposite directions, thereby adjusting the distance between the mounting plate and the roller. Two sets of motors can control the rollers connected at the rear to rotate in the same direction, and the steel pipes overlapped between the tops of the rollers will be guided by the rollers to rotate in place. The electric grinding roller embedded in the lower part of the steel pipe can clean the dirt on the inner wall of the pipe body, and limit the movement of the steel rod to prevent it from rolling at will;

[0016] (2) By movably connecting an electric grinding roller at the rear of the clamping block, according to the installation height of the steel rod, the clamping block is slid vertically along the outer wall of the column, and the fourth bolt is tightened to reinforce it after aligning with the screw hole. The adsorption plate is translated along the slide rails on both sides, and then a suitable electric grinding roller is selected until the adsorption plate is located on both sides of the outside of the electric grinding roller. When cleaning the dirt, the negative pressure fan at the bottom can be started to collect the garbage into the storage box through the connecting pipe to avoid excessive garbage remaining inside the steel pipe;

[0017] (3) By movably connecting the limiting cylinder at the rear of the sleeve, according to the height of the steel pipe after overlapping the roller surface, the pull rod is pulled vertically along the sleeve of the bracket, and then locked by the fifth bolt engaged in the front. When the steel pipe moves from the back to the front, it just contacts the top of the limiting cylinder, and the angle of the limiting cylinder can also be adjusted by the sleeve and the second bolt. When the steel pipe rotates, it can prevent it from rolling off the table and can also help the electric grinding roller to clean the inner wall of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the table top of the utility model;

[0020] Figure 3 This is a schematic diagram of the front view structure of the electric grinding roller of the utility model;

[0021] Figure 4 It is a schematic diagram of the side structure of the limiting cylinder of the utility model.

[0022] In the figure: 1. table top; 2. screw rod; 3. sleeve; 4. mounting plate; 5. motor; 6. negative pressure fan; 7. storage box; 8. slot; 9. first bolt; 10. roller; 11. bracket; 12. pull-out rod; 13. sleeve; 14. sleeve block; 15. second bolt; 16. limit cylinder; 17. steel pipe; 18. electric grinding roller; 19. movable chamber; 20. connecting pipe; 21. slide rail; 22. column; 23. screw hole; 24. third bolt; 25. adsorption plate; 26. fourth bolt; 27. fifth bolt; 28. clamping block. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1: Please refer to Figure 1-4 , an internal grinding machine for seamless steel pipe processing, comprising a table 1 and a movable chamber 19, the movable chamber 19 is arranged in front of the two sides inside the table 1, and a screw rod 2 is movably connected between the two sides inside the movable chamber 19, both sides of the outside of the screw rod 2 are sleeved with a sleeve 3, and the front of the sleeve 3 and the screw rod 2 are respectively meshed and connected with a first bolt 9, a mounting plate 4 is fixed in front of the sleeve 3, and a motor 5 is fixed in front of the mounting plate 4, a roller 10 is movably connected to the rear of the mounting plate 4 through a rotating shaft, and a steel pipe 17 is movably overlapped between the tops of the rollers 10;

[0025] The roller 10 can rotate in the same direction behind the mounting plate 4 under the control of the motor 5. The steel pipe 17 rotates in the opposite direction to the roller 10. The inner wall of the sleeve 3 is engraved with a pattern matching the screw rod 2. The sleeve 3 and the screw rod 2 are arranged in concentric circles.

[0026] Specifically, Figure 1 and Figure 2 As shown, the screw rod 2 is rotated on one side in front of the table top 1, and under the restriction of the movable chamber 19, the sleeves 3 on both sides are translated in opposite directions at the same time, so as to adjust the distance between the mounting plate 4 and the roller 10. The two sets of motors 5 can control the rollers 10 connected at the rear to rotate in the same direction, and the steel pipe 17 overlapped between the tops of the rollers 10 will be guided by the rollers 10 to rotate in place, and the electric grinding roller 18 embedded in the lower part of the steel pipe 17 can clean the dirt on the inner wall of the pipe body.

[0027] Embodiment 2: A card slot 8 is horizontally arranged at the center of the lower part of the table top 1, and a storage box 7 is fixedly inserted between the front and rear of the card slot 8, and a negative pressure fan 6 is installed at the bottom end of the storage box 7. A column 22 is welded at the center of the top front of the table top 1, and a screw hole 23 is arranged inside the column 22. A card block 28 is movably sleeved on the outside of the column 22, and a fourth bolt 26 is meshed and connected between the card block 28 and one end of the column 22, and an electric grinding roller 18 is movably connected to the rear of the card block 28. Slide rails 21 are welded on both sides of the card block 28, and an adsorption plate 25 is movably inserted inside the slide rail 21, and a third bolt 24 is meshed and connected between the top of the adsorption plate 25 and the slide rail 21, and a connecting pipe 20 is installed between the adsorption plate 25 and the storage box 7;

[0028] The adsorption plate 25 can slide left and right along the slide rail 21. The adsorption plate 25 is connected to the storage box 7 through the connecting pipe 20. The clamping block 28 can slide down along the surface of the column 22. The electric grinding roller 18 is horizontally arranged behind the clamping block 28.

[0029] Specifically, Figure 1 and Figure 3As shown, according to the installation height of the steel rod, slide the clamping block 28 vertically along the outer wall of the column 22, align it with the screw hole 23 and tighten the fourth bolt 26 to reinforce it, move the adsorption plate 25 along the slide rails 21 on both sides, and then select the appropriate electric grinding roller 18 until the adsorption plate 25 is located on both sides of the outside of the electric grinding roller 18. When cleaning the dirt, start the negative pressure fan 6 at the bottom and store the garbage in the storage box 7 through the connecting pipe 20.

[0030] Embodiment 3: A bracket 11 is connected between the four corners of the top of the table board 1, and a clamping sleeve 13 is welded at the center of the front end of the bracket 11. A draw rod 12 is vertically inserted in the clamping sleeve 13. The front of the clamping sleeve 13 is engaged with a fifth bolt 27. The bottom of the draw rod 12 is movably connected to a sleeve block 14, and the rear of the sleeve block 14 is movably connected to a limiting cylinder 16. Both sides of the sleeve block 14 are engaged with a second bolt 15. The limiting cylinder 16 can rotate in situ behind the sleeve block 14, and the draw rod 12 can slide up and down along the inner groove of the clamping sleeve 13;

[0031] Specifically, Figure 1 and Figure 4 As shown, according to the height of the steel pipe 17 after it overlaps the surface of the roller 10, the draw rod 12 is pulled vertically along the sleeve 13 of the bracket 11, and then locked with the fifth bolt 27 engaged in the front. When the steel pipe 17 is translated from back to front, it just contacts with the top of the limiting cylinder 16, and the angle of the limiting cylinder 16 can also be adjusted by means of the sleeve block 14 and the second bolt 15. When the steel pipe 17 rotates, it is prevented from rolling off the table top 1.

[0032] Working principle: When the utility model is in use, firstly, the screw rod 2 is rotated on one side in front of the table board 1, and under the restriction of the movable chamber 19, the sleeves 3 on both sides are translated in opposite directions at the same time, so as to adjust the spacing between the mounting plate 4 and the roller 10, and the two sets of motors 5 can control the rollers 10 connected at the rear to rotate in the same direction, and the steel pipe 17 overlapped between the tops of the rollers 10 will be guided by the rollers 10 to rotate in situ, and the electric grinding roller 18 embedded in the lower part of the steel pipe 17 can clean the dirt on the inner wall of the pipe body, and according to the height of the steel pipe 17 after overlapping the surface of the roller 10, the draw rod 12 is vertically pulled along the sleeve 13 of the bracket 11, and then locked by the fifth bolt 27 engaged in front, and the steel pipe When 17 is translated from back to front, it just contacts with the top of the limiting cylinder 16, and the angle of the limiting cylinder 16 can also be adjusted by means of the sleeve block 14 and the second bolt 15. When the steel pipe 17 rotates, it is prevented from rolling off the table top 1. Before work, slide the clamping block 28 vertically along the outer wall of the column 22, align it with the screw hole 23 and tighten the fourth bolt 26 to reinforce it, translate the adsorption plate 25 along the slide rails 21 on both sides, and then select the appropriate electric grinding roller 18 until the adsorption plate 25 is located on both sides of the outside of the electric grinding roller 18. When cleaning the dirt, start the negative pressure fan 6 at the bottom, and store the garbage in the storage box 7 through the connecting pipe 20 to avoid excessive garbage remaining inside the steel pipe 17.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An internal grinding machine for seamless steel pipe processing, comprising a table (1) and a movable chamber (19), characterized in that: A movable chamber (19) is provided in front between the two sides inside the table top (1), and a screw rod (2) is movably connected between the two sides inside the movable chamber (19), sleeves (3) are sleeved on both sides outside the screw rod (2), and a first bolt (9) is respectively meshed and connected between the front of the sleeve (3) and the screw rod (2), a mounting plate (4) is fixed in front of the sleeve (3), and a motor (5) is fixed in front of the mounting plate (4), a roller (10) is movably connected to the rear of the mounting plate (4) through a rotating shaft, and a steel pipe (17) is movably overlapped between the tops of the rollers (10).

2. The internal grinding machine for seamless steel pipe processing according to claim 1, characterized in that: The roller (10) can rotate in the same direction behind the mounting plate (4) under the control of the motor (5), and the steel pipe (17) rotates in the opposite direction to the roller (10).

3. The internal grinding machine for seamless steel pipe processing according to claim 1, characterized in that: The inner wall of the sleeve (3) is engraved with patterns matching the screw rod (2), and the sleeve (3) and the screw rod (2) are arranged in concentric circles.

4. The internal grinding machine for seamless steel pipe processing according to claim 1, characterized in that: A card slot (8) is horizontally arranged at the center of the lower part of the table top (1), and a storage box (7) is fixedly inserted between the front and rear of the card slot (8), and a negative pressure fan (6) is installed at the bottom end of the storage box (7). A column (22) is welded at the center of the top front of the table top (1), and a screw hole (23) is arranged inside the column (22). A card block (28) is movably sleeved on the outside of the column (22), and the card block (28) and the column (22) are connected to each other. ) is meshedly connected with a fourth bolt (26), the rear of the clamping block (28) is movably connected with an electric grinding roller (18), both sides of the clamping block (28) are welded with slide rails (21), and an adsorption plate (25) is movably inserted inside the slide rail (21), a third bolt (24) is meshedly connected between the top of the adsorption plate (25) and the slide rail (21), and a connecting pipe (20) is installed between the adsorption plate (25) and the storage box (7).

5. The internal grinding machine for seamless steel pipe processing according to claim 4, characterized in that: The adsorption plate (25) can slide left and right along the slide rail (21), and the adsorption plate (25) is connected to the storage box (7) through the connecting pipe (20).

6. The internal grinding machine for seamless steel pipe processing according to claim 4, characterized in that: The clamping block (28) can slide along the surface of the column (22), and the electric grinding roller (18) is arranged laterally behind the clamping block (28).

7. The internal grinding machine for seamless steel pipe processing according to claim 1, characterized in that: A bracket (11) is connected between the four corners of the top of the table top (1), and a clamping sleeve (13) is welded at the center of the front end of the bracket (11). A draw rod (12) is vertically inserted in the clamping sleeve (13), and the front of the clamping sleeve (13) is meshed with a fifth bolt (27). The bottom of the draw rod (12) is movably connected to a sleeve block (14), and the rear of the sleeve block (14) is movably connected to a limiting cylinder (16), and both sides of the sleeve block (14) are meshed with a second bolt (15).

8. The internal grinding machine for seamless steel pipe processing according to claim 7, characterized in that: The limiting cylinder (16) can rotate in situ behind the sleeve block (14), and the draw rod (12) can slide up and down along the inner groove of the clamping sleeve (13).