Seamless steel pipe end face polishing device

The seamless steel pipe end face grinding device addresses the issue of burrs by using rotating support and dual grinding units to achieve efficient and high-quality burr removal on both inner and outer surfaces.

CN223098795UActive Publication Date: 2025-07-15LONGQUAN SHENGGUANG STAINLESS STEEL CO LTD
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Patent Information

Application Number
CN202422083496.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-07-15
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

After the existing seamless steel pipe is cut, there are burrs on the inside and outside sides of the end, which affects the use effect and beauty, and is difficult to remove quickly and efficiently.

Method used

A seamless steel pipe end surface grinding device is designed, including a support seat, a rotating mechanism and a grinding mechanism, and an inner and outer wall grinding unit. The rotation and lifting mechanism are used to realize the rotation and grinding of the seamless steel pipe, and the inner and outer grinding wheels are coordinated to remove burrs.

Benefits of technology

It realizes rapid and efficient removal of burrs on both sides of the seamless steel pipe, improves the quality and aesthetics of the steel pipe, and has a simple structure, high stability and long service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223098795U_ABST
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Abstract

The utility model discloses a seamless steel pipe end face polishing device. The seamless steel pipe polishing device is technically characterized by comprising a supporting seat and polishing mechanisms arranged at the two ends of the supporting seat, the supporting seat is used for supporting a seamless steel pipe, a rotating mechanism is arranged on the supporting seat and drives the seamless steel pipe to rotate, each polishing mechanism comprises an inner wall polishing unit and an outer wall polishing unit, and each outer wall polishing unit comprises a lifting rod and an outer polishing wheel. The lifting rod is arranged on the supporting seat in a liftable mode, the outer grinding wheel is connected with the lifting rod, and the inner wall grinding unit comprises a grinding seat, a reciprocating plate which is arranged on the grinding seat in a sliding mode and a grinding motor which is fixedly arranged on the reciprocating plate; the polishing rod is rotatably arranged on the reciprocating plate and is connected with the polishing motor; the inner polishing wheel is coaxially and fixedly connected with the polishing rod, and an inclined transition face is arranged at the end, facing the supporting seat, of the inner polishing wheel.
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Description

Technical Field

[0001] The utility model relates to the field of seamless steel pipe processing equipment, and more specifically to a seamless steel pipe end face grinding device. Background Art

[0002] During the production of seamless steel pipes, the seamless steel pipes need to be cut into required lengths. At present, when cutting seamless steel pipes, burrs will be left on both the inner and outer sides of the cut surface. The smoothness of the inner and outer sides of the steel pipe end directly affects the use effect and aesthetics, and the burrs are easy to scratch the handlers / users.

[0003] Therefore, how to quickly and efficiently process the burrs on both the inner and outer sides of seamless steel pipes is very important for improving the quality of seamless steel pipes. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a seamless steel pipe end face grinding device that can quickly grind the burrs on both the inner and outer sides of the seamless steel pipe end face.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: A seamless steel pipe end face grinding device includes a support seat and grinding mechanisms arranged at both ends of the support seat. The support seat is used to support the seamless steel pipe. A rotating mechanism is arranged on the support seat, and the rotating mechanism drives the seamless steel pipe to rotate. The grinding mechanism includes an inner wall grinding unit and an outer wall grinding unit. The outer wall grinding unit includes a lifting rod and an outer grinding wheel. The lifting rod is arranged on the support seat in a liftable manner, and the outer grinding wheel is connected to the lifting rod. The inner wall grinding unit includes:

[0006] A grinding seat, arranged on one side of the end of the support seat;

[0007] A reciprocating plate, slidably arranged on the grinding seat, moving close to or away from the support seat;

[0008] A grinding motor, fixedly arranged on the reciprocating plate;

[0009] A grinding rod, rotatably arranged on the reciprocating plate, connected to the grinding motor;

[0010] An inner grinding wheel, coaxially and fixedly connected to the grinding rod. An inclined transition surface is provided at one end of the inner grinding wheel facing the support seat.

[0011] As a further improvement of the utility model, a propulsion cylinder is arranged on the grinding seat. The propulsion cylinder is connected to the reciprocating plate and drives the reciprocating plate to reciprocate.

[0012] As a further improvement of the utility model, a stabilizing mechanism is arranged on the grinding seat. The stabilizing mechanism includes:

[0013] The upper positioning rod is arranged on the grinding base and is located above the grinding rod;

[0014] The upper positioning wheel is rotatably arranged on the upper positioning rod, and the upper positioning wheel abuts against the grinding rod;

[0015] The lower positioning rod is arranged on the grinding base and is located below the grinding rod;

[0016] The lower positioning wheel is rotatably arranged on the lower positioning rod, and the lower positioning wheel abuts against the grinding rod.

[0017] As a further improvement of the present utility model, an upper recess is provided on the side of the upper positioning wheel, the cross-section of the upper recess is arc-shaped, and part of the grinding rod is located in the upper recess; a lower recess is provided on the side of the lower positioning wheel, the cross-section of the lower recess is arc-shaped, and part of the grinding rod is located in the lower recess.

[0018] As a further improvement of the present utility model, the rotating mechanism includes a driving wheel and a plurality of supporting wheels. The driving wheel is connected to an external motor and is driven by it to operate. The supporting wheels are all rotatably arranged on the supporting seat, and the supporting wheels have the same diameter and are arranged in two rows.

[0019] As a further improvement of the present utility model, a pressing wheel that can be lifted and lowered is provided on the supporting seat.

[0020] As a further improvement of the present utility model, the reciprocating plate is arranged on the grinding base in a liftable manner. An adjustment hole is provided on the grinding base. The two ends of the upper positioning rod and the lower positioning rod are inserted into the adjustment hole and can be lifted and lowered in the adjustment hole. Upper fixing nuts are threadedly connected to the two ends of the upper positioning rod, and lower fixing nuts are threadedly connected to the two ends of the lower positioning rod.

[0021] The beneficial effect of the present utility model is that it can quickly and efficiently grind the burrs on the inner and outer sides of both ends of the seamless steel pipe. Brief Description of the Drawings

[0022] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0023] Figure 2 is a schematic diagram of the cross-sectional structure during the grinding process of the seamless steel pipe;

[0024] Figure 3 is a schematic diagram of the structure of the pressing wheel, the outer grinding wheel and the seamless steel pipe before grinding;

[0025] Figure 4 is a schematic diagram of the structure of the inner wall grinding unit;

[0026] Figure 5 is Figure 4 an enlarged schematic diagram of part A in

[0027] Figure 6 It is a structural schematic diagram of the stabilizing mechanism and the grinding rod.

[0028] Marking description: 1. Support base; 11. Rotating mechanism; 111. Driving wheel; 112. Supporting wheel; 12. Pressing wheel; 2. Grinding mechanism; 3. Inner wall grinding unit; 31. Grinding base; 311. Adjusting hole; 32. Reciprocating plate; 33. Grinding motor; 34. Grinding rod; 35. Inner grinding wheel; 351. Transition surface; 36. Pushing cylinder; 4. Outer wall grinding unit; 41. Lifting rod; 42. Outer grinding wheel; 5. Stabilizing mechanism; 51. Upper positioning rod; 511. Upper fixing nut; 52. Upper positioning wheel; 521. Upper depression; 53. Lower positioning rod; 531. Lower fixing nut; 54. Lower positioning wheel; 541. Lower depression. Specific implementation manner

[0029] The following will further elaborate on the present utility model in combination with the embodiments given in the drawings.

[0030] Refer to Figures 1-6 As shown, the seamless steel pipe end face grinding device of this embodiment includes a support base 1 and a grinding mechanism 2 arranged at both ends of the support base 1. The support base 1 is used to support the seamless steel pipe. A rotating mechanism 11 is provided on the support base 1, and the rotating mechanism 11 drives the seamless steel pipe to rotate. The grinding mechanism 2 includes an inner wall grinding unit 3 and an outer wall grinding unit 4. The outer wall grinding unit 4 includes a lifting rod 41 and an outer grinding wheel 42. The lifting rod 41 is arranged on the support base 1 in a liftable manner, and the outer grinding wheel 42 is connected to the lifting rod 41. The inner wall grinding unit 3 includes:

[0031] A grinding base 31, arranged on one side of the end of the support base 1;

[0032] A reciprocating plate 32, slidably arranged on the grinding base 31, moving closer to or away from the support base 1;

[0033] A grinding motor 33, fixedly arranged on the reciprocating plate 32;

[0034] A grinding rod 34, rotatably arranged on the reciprocating plate 32, connected to the grinding motor 33;

[0035] An inner grinding wheel 35, coaxially and fixedly connected to the grinding rod 34. An inclined transition surface 351 is provided at one end of the inner grinding wheel 35 facing the support base 1.

[0036] Through the above technical solution, when using this device to deburr the two ends of the seamless steel pipe, first move the cut seamless steel pipe to the support seat 1, and then start the grinding mechanism 2. At this time, the rotating mechanism 11 drives the seamless steel pipe to rotate, and the lifting rod 41 gradually descends, driving the outer grinding wheel 42 to descend, so as to grind the burrs on the outer side of the end of the seamless steel pipe. At the same time, the inner wall grinding unit 3 operates to grind the burrs on the inner side of the end of the seamless steel pipe, and the grinding efficiency is high.

[0037] The grinding process of the inner wall grinding unit 3 is as follows: The grinding motor 33 operates to drive the grinding rod 34 to rotate, and then drives the inner grinding wheel 35 to rotate. The reciprocating plate 32 moves towards the support seat 1, and then drives the inner grinding wheel 35 to move towards the support seat 1. The transition surface 351 of the inner grinding wheel 35 contacts the burr first, and grinds the end of the burr. As the inner grinding wheel 35 continues to move towards the support seat 1, the inner grinding wheel 35 continuously grinds the burr until the grinding is completed, and the grinding process has high stability.

[0038] It should be noted that during the grinding process of the inner grinding wheel 35 and the outer grinding wheel 42, the rotating mechanism 11 drives the seamless steel pipe to rotate, making the burr grinding more thorough, without dead angles, and with high grinding efficiency.

[0039] The grinding mechanisms 2 at both ends operate simultaneously to grind the burrs on the inner and outer sides of both ends of the seamless steel pipe, and the processing efficiency is high.

[0040] As a specific embodiment of the improvement, a propulsion cylinder 36 is provided on the grinding seat 31, and the propulsion cylinder 36 is connected to the reciprocating plate 32 to drive the reciprocating movement of the reciprocating plate 32.

[0041] Through the above technical solution, the operation of the propulsion cylinder 36 controls the reciprocating movement of the reciprocating plate 32, with a simple structure and high stability.

[0042] As a specific embodiment of the improvement, a stabilizing mechanism 5 is provided on the grinding seat 31, and the stabilizing mechanism 5 includes:

[0043] The upper positioning rod 51 is arranged on the grinding seat 31 and is located above the grinding rod 34;

[0044] The upper positioning wheel 52 is rotatably arranged on the upper positioning rod 51, and the upper positioning wheel 52 abuts against the grinding rod 34;

[0045] The lower positioning rod 53 is arranged on the grinding seat 31 and is located below the grinding rod 34;

[0046] The lower positioning wheel 54 is rotatably arranged on the lower positioning rod 53, and the lower positioning wheel 54 abuts against the grinding rod 34.

[0047] Through the above technical solution, the stabilizing mechanism 5 is located between the grinding motor 33 and the support base 1. The upper positioning rod 51 connects the upper positioning wheel 52 to the grinding base 31, and the lower positioning rod 53 connects the lower positioning wheel 54 to the grinding base 31. The upper positioning wheel 52 and the lower positioning wheel 54 are respectively in contact with the grinding rod 34, so that the position of the grinding rod 34 is stable during rotation.

[0048] Specifically, the upper positioning wheel 52 is directly above the lower positioning wheel 54.

[0049] Specifically, the grinding rod 34 is composed of an inner rod and an outer rod. The outer rod is rotatably connected to the inner rod. The inner rod is connected to the rotating shaft of the grinding motor 33 and is connected to the inner grinding wheel 35 at the end. The outer rod is fixedly connected to the housing of the grinding motor 33. The upper positioning wheel 52 and the lower positioning wheel 54 are respectively in contact with the outer rod. During the grinding process, the inner rod rotates while the outer rod remains stable, with less wear, less resistance, lower power consumption, and a longer service life.

[0050] As a specific improvement embodiment, an upper recess 521 is provided on the side of the upper positioning wheel 52. The cross-section of the upper recess 521 is arc-shaped, and part of the grinding rod 34 is located in the upper recess 521. A lower recess 541 is provided on the side of the lower positioning wheel 54. The cross-section of the lower recess 541 is arc-shaped, and part of the grinding rod 34 is located in the lower recess 541.

[0051] Through the above technical solution, the contact area between the upper recess 521, the lower recess 541 and the grinding rod 34 is large, making the grinding rod 34 more stable during the rotation and grinding process.

[0052] As a specific improvement embodiment, the rotating mechanism 11 includes a driving wheel 111 and a plurality of supporting wheels 112. The driving wheel 111 is connected to an external motor and is driven by it. The supporting wheels 112 are rotatably arranged on the support base 1, and the supporting wheels 112 have the same diameter and are arranged in two rows.

[0053] Through the above technical solution, when the seamless steel pipe is being ground, it is located between the two supporting wheels 112 on both sides. The axes of the two rows of supporting wheels 112 are parallel to the axis of the seamless steel pipe. The external motor controls the rotation of the driving wheel 111, thereby driving the seamless steel pipe to rotate on the supporting wheels 112. The structure is simple, with high stability, and the supporting wheels 112 have rolling friction with the seamless steel pipe, resulting in less friction.

[0054] As a specific improvement embodiment, a liftable pressing wheel 12 is provided on the support base 1.

[0055] Through the above technical solution, the pressing wheel 12 is located above the supporting wheels 112 and presses the seamless steel pipe to be ground from above, preventing the seamless steel pipe from jumping during the grinding process and improving the stability during the grinding process.

[0056] Specifically, the rotating shaft of the pressing wheel 12 is parallel to the axis of the seamless steel pipe, and the side surface of the pressing wheel 12 abuts against the outer side surface of the seamless steel pipe, ensuring a stable pressing process and less wear.

[0057] As a specific improvement embodiment, the reciprocating plate 32 is arranged on the grinding base 31 in a liftable manner. The grinding base 31 is provided with adjusting holes 311. The two ends of the upper positioning rod 51 and the lower positioning rod 53 are inserted into the adjusting holes 311 and can move up and down in the adjusting holes 311. The two ends of the upper positioning rod 51 are threadedly connected with upper fixing nuts 511, and the two ends of the lower positioning rod 53 are threadedly connected with lower fixing nuts 531.

[0058] Through the above technical solution, the reciprocating plate 32 is arranged on the grinding base 31 in a liftable manner to change the height of the axis of the inner grinding wheel 35, which is applicable to seamless steel pipes with different wall thicknesses. And after the inner grinding wheel 35 is worn, the service life of the inner grinding wheel 35 can be extended by adjusting the height of the reciprocating plate 32 for compensation.

[0059] Before adjusting the height of the reciprocating plate 32, first loosen the upper fixing nut 511 and the lower fixing nut 531 to enable the upper positioning rod 51 and the lower positioning rod 53 to move in the adjusting hole 311. After the height adjustment of the reciprocating plate 32 is completed, then move the upper positioning rod 51 and the lower positioning rod 53 so that the upper positioning wheel 52 and the lower positioning wheel 54 both abut against the grinding rod 34, and tighten the upper fixing nut 511 and the lower fixing nut 531 to fix them.

[0060] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions within the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements and refinements made without departing from the principle of the present invention should also be regarded as within the protection scope of the present invention.

Claims

1. Seamless steel pipe end face grinding device, characterized in that, It includes a support base (1) and grinding mechanisms (2) arranged at both ends of the support base (1). The support base (1) is used to support seamless steel pipes. A rotating mechanism (11) is provided on the support base (1), and the rotating mechanism (11) drives the seamless steel pipe to rotate. The grinding mechanism (2) includes an inner wall grinding unit (3) and an outer wall grinding unit (4). The outer wall grinding unit (4) includes a lifting rod (41) and an outer grinding wheel (42). The lifting rod (41) is arranged on the support base (1) in a liftable manner, and the outer grinding wheel (42) is connected to the lifting rod (41). The inner wall grinding unit (3) includes: A grinding base (31), arranged on one side of the end of the support base (1); A reciprocating plate (32), slidably arranged on the grinding base (31), moving closer to or away from the support base (1); A grinding motor (33), arranged on the reciprocating plate (32); A grinding rod (34), rotatably arranged on the reciprocating plate (32), connected to the grinding motor (33); An inner grinding wheel (35), coaxially and fixedly connected to the grinding rod (34). An inclined transition surface (351) is provided at one end of the inner grinding wheel (35) facing the support base (1).

2. The seamless steel pipe end face grinding device according to claim 1, characterized in that: A propulsion cylinder (36) is provided on the grinding base (31). The propulsion cylinder (36) is connected to the reciprocating plate (32) and drives the reciprocating plate (32) to reciprocate.

3. The seamless steel pipe end face grinding device according to claim 1 or 2, characterized in that: A stabilizing mechanism (5) is provided on the grinding base (31). The stabilizing mechanism (5) includes: An upper positioning rod (51), arranged on the grinding base (31) above the grinding rod (34); An upper positioning wheel (52), rotatably arranged on the upper positioning rod (51), and the upper positioning wheel (52) abuts against the grinding rod (34); A lower positioning rod (53), arranged on the grinding base (31) below the grinding rod (34); A lower positioning wheel (54), rotatably arranged on the lower positioning rod (53), and the lower positioning wheel (54) abuts against the grinding rod (34).

4. The seamless steel pipe end face grinding device according to claim 3, characterized in that: An upper recess (521) is provided on the side of the upper positioning wheel (52). The cross-section of the upper recess (521) is arc-shaped, and part of the grinding rod (34) is located in the upper recess (521); a lower recess (541) is provided on the side of the lower positioning wheel (54). The cross-section of the lower recess (541) is arc-shaped, and part of the grinding rod (34) is located in the lower recess (541).

5. The seamless steel pipe end face grinding device according to claim 1 or 2, characterized in that: The rotating mechanism (11) includes a driving wheel (111) and a number of support wheels (112). The driving wheel (111) is connected to an external motor and is driven by it. The support wheels (112) are all rotatably arranged on the support base (1). The support wheels (112) have the same diameter and are arranged in two rows.

6. The seamless steel pipe end face grinding device according to claim 1 or 2, characterized in that: A liftable pressing wheel (12) is provided on the support base (1).

7. The seamless steel pipe end face grinding device according to claim 3, characterized in that: The reciprocating plate (32) is arranged on the grinding base (31) in a liftable manner. An adjustment hole (311) is provided on the grinding base (31). Both ends of the upper positioning rod (51) and the lower positioning rod (53) are inserted into the adjustment hole (311) and can be lifted and lowered in the adjustment hole (311). Upper fixing nuts (511) are threadedly connected to both ends of the upper positioning rod (51), and lower fixing nuts (531) are threadedly connected to both ends of the lower positioning rod (53).