Seamless steel tube inner wall polishing machine

Abstract

The utility model provides a seamless steel tube inner wall polishing machine, which relates to the technical field of seamless steel tube processing, and comprises a driving motor and a polishing roller, the polishing roller comprises a roller core, a telescopic polishing mechanism and an elastic cleaning brush; according to the device, the polishing roller is rotationally driven through the driving motor, and the driving motor and the polishing roller are both longitudinally arranged; the outer wall of the telescopic polishing mechanism and the outer wall of the elastic cleaning brush on the polishing roller are attached to the inner wall of the seamless steel pipe after stretching adjustment, the inner wall of the seamless steel pipe is polished through the rotating telescopic polishing mechanism, and the elastic cleaning brush cleans the polished inner wall of the seamless steel pipe in the polishing process. By means of the cleaning mode, generated sweeps can be effectively removed from the inner wall of the seamless steel pipe, the cleaned sweeps are discharged from the lower end of the seamless steel pipe due to gravity, electronic devices such as a dust collection mechanism do not need to be additionally arranged in the mode, and follow-up problems caused by additional arrangement of the electronic devices are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe processing, in particular to a seamless steel pipe inner wall polishing machine. Background Art

[0002] Seamless steel pipe is a steel pipe made of a whole piece of metal with no seams on the surface. It is widely used in production and life. According to the production method, seamless pipes are divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, extruded pipes, jacking pipes, etc.; the smoothness of the inner wall of the seamless steel pipe during production and use will affect the use effect, so the inner wall needs to be ground and polished to achieve the best use effect.

[0003] When polishing the inner wall of a seamless steel pipe, an existing polishing device usually has a dust suction mechanism to handle the generated waste chips. The additional setting of electronic devices such as the dust suction mechanism increases the probability of maintenance and repair due to damage of the electronic devices. The generated waste chips cannot be effectively discharged only through the polishing process of the polishing machine. Utility Model Content

[0004] The utility model aims to provide a seamless steel pipe inner wall polishing machine, which drives the polishing roller to rotate through a driving motor, and the driving motor and the polishing roller are both arranged longitudinally; the telescopic polishing mechanism and the elastic cleaning brush on the polishing roller are extended and adjusted so that the outer wall fits the inner wall of the seamless steel pipe, and the inner wall of the seamless steel pipe is polished by the rotating telescopic polishing mechanism. During the polishing process, the elastic cleaning brush cleans the inner wall of the seamless steel pipe after polishing, and the waste chips generated can be effectively removed from the inner wall of the seamless steel pipe by this cleaning, and the cleaned waste chips are discharged from the lower end of the seamless steel pipe due to gravity. This method does not need to add electronic devices such as dust collection mechanisms, thereby avoiding subsequent problems caused by the addition of dust collection mechanisms.

[0005] The utility model provides a seamless steel pipe inner wall polishing machine, comprising:

[0006] Drive motor;

[0007] A polishing roller is longitudinally distributed, and the upper end of the polishing roller is detachably fixedly connected to the lower end of the rotating shaft of the driving motor;

[0008] The polishing roller comprises:

[0009] The roller core has an outer wall longitudinally fixed with a telescopic polishing mechanism both front and back and left and right;

[0010] The outer wall of the roller core is evenly and longitudinally fixedly equipped with an elastic cleaning brush, and the elastic cleaning brush and the telescopic polishing mechanism are spaced apart;

[0011] The length of the elastic cleaning brush and the telescopic polishing mechanism is the same as the length of the roller core;

[0012] The outer ends of the elastic cleaning brush and the telescopic polishing mechanism are in contact with the inner wall of the seamless steel pipe.

[0013] As a further optimization solution, in order to facilitate the disassembly and installation between the roller core and the drive motor, the roller core includes:

[0014] The roller body has screw holes evenly opened at the edge of its upper end surface. The lower end of the rotating shaft of the driving motor is fixedly connected with a connecting flange coaxially. The connecting flange is fixedly connected to the screw holes on the upper end surface of the roller body by bolts.

[0015] As a further optimization scheme, in order to drive the strip polishing plate to extend and retract, and to be applicable to seamless steel pipes with different inner diameters within a certain range, the telescopic polishing mechanism includes:

[0016] A strip-shaped polishing plate, wherein the outer wall of the strip-shaped polishing plate is provided with a polishing material layer, and the outer wall of the strip-shaped polishing plate on the side away from the roller core is an arc surface;

[0017] An electric push rod is evenly and fixedly connected between the outer wall of the strip-shaped polishing plate on the side close to the roller core and the roller core;

[0018] The roller core is embedded with a storage battery;

[0019] The electric push rods are electrically connected to the battery after being connected in parallel.

[0020] As a further optimization scheme, in order to drive the strip brush head to move by the expansion and contraction of the spring, the elastic cleaning brush is applicable to seamless steel pipes with different inner diameters within a certain range. The elastic cleaning brush includes:

[0021] The strip-shaped brush head has a spring evenly and fixedly connected between the outer wall of the side close to the roller core and the roller core.

[0022] As a further optimization scheme, in order to guide the ends of the spring on both sides and reduce the probability of the spring tilting during the extension and contraction process, spring installation grooves are provided on the outer wall of the strip brush head close to the roller core and on the outer wall of the roller core corresponding to the spring ends;

[0023] The outer wall of the spring end is fitted on the inner wall of the spring installation groove.

[0024] As a further optimization solution, in order to facilitate regular replacement of the strip brush plate with bristles, the strip brush head includes:

[0025] A strip-shaped installation plate has a strip-shaped brush plate pasted and fixed on the outer wall of a side away from the roller core, wherein the brush bristles are evenly pasted and fixed on the outer wall of the strip-shaped plate.

[0026] As a further optimization scheme, in order to fix the polishing device and facilitate its vertical operation, a rectangular frame is also included, and the upper end of the housing of the driving motor is detachably fixedly assembled on the top surface of the inner wall of the rectangular frame;

[0027] A cylinder is fixedly mounted in the middle of the lower end surface of the roller core, and the cylinder is rotatably plugged into the bottom surface of the inner wall of the rectangular frame.

[0028] As a further optimization scheme, in order to collect the waste chips generated by the internal polishing of the seamless steel pipe, a waste chip collection device is provided at the lower end of the rectangular frame, and the waste chip collection device includes:

[0029] A storage box body is integrally formed at the lower end of the rectangular frame;

[0030] A circular installation window is provided in the middle of the upper surface of the storage box;

[0031] The inner ring surface of the circular installation window is fixedly equipped with an annular mesh plate, the inner ring surface of the annular mesh plate is fixedly equipped with a bearing seat, and the cylinder is inserted into the inner ring surface of the bearing seat.

[0032] As a further optimization scheme, in order to clamp and position the seamless steel pipe to be polished inside to avoid displacement during the internal polishing process, a seamless steel pipe positioning mechanism is fixedly installed on the outer wall of the rectangular frame, and the seamless steel pipe positioning mechanism includes:

[0033] There are at least two cylinders, which are fixedly mounted on the outer wall of the rectangular frame symmetrically, and the telescopic ends of the cylinders penetrate the outer wall on the same side of the rectangular frame;

[0034] The telescopic end of the cylinder is fixedly connected with a positioning plate.

[0035] As a further optimization solution, in order to regularly clean the waste stored in the storage box, a cleaning window structure is installed on the outer wall of the storage box, and the cleaning window structure includes:

[0036] A cleaning window is provided on the outer wall of the storage box;

[0037] The inner wall of the cleaning window is hinged with a box door, and the box door is buckled in the cleaning window, and the outer wall of the box door is fixedly equipped with a handle on one side away from the hinge end.

[0038] The utility model provides a seamless steel pipe inner wall polishing machine through improvement, which has the following improvements and advantages compared with the prior art:

[0039] Firstly, the device drives the polishing roller to rotate by a driving motor. The driving motor and the polishing roller are both arranged longitudinally. The selected length of the polishing roller is greater than the length of the seamless steel pipe to be processed. The telescopic polishing mechanism and the elastic cleaning brush on the polishing roller are extended and adjusted so that the outer wall fits the inner wall of the seamless steel pipe. The inner wall of the seamless steel pipe is polished by the rotating telescopic polishing mechanism. During the polishing process, the elastic cleaning brush cleans the inner wall of the polished seamless steel pipe. The waste chips generated can be effectively removed from the inner wall of the seamless steel pipe by this cleaning. The cleaned waste chips are discharged from the lower end of the seamless steel pipe due to gravity. This method does not require the installation of electronic devices such as dust collection mechanisms, thus avoiding subsequent problems caused by the installation of dust collection mechanisms.

[0040] Secondly, in order to clamp and position the seamless steel pipe to be polished inside and avoid displacement during the internal polishing process, a seamless steel pipe positioning mechanism is fixedly installed on the outer wall of the rectangular frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0042] Figure 1 It is a schematic diagram of the structure of the utility model;

[0043] Figure 2 It is a partial structural schematic diagram of the utility model;

[0044] Figure 3 This is a schematic diagram of the polishing roller structure of the utility model;

[0045] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0046] Figure 5 This is a schematic diagram of the roller core structure of the utility model;

[0047] Figure 6 This is a schematic diagram of the structure of the telescopic polishing mechanism of the utility model;

[0048] Figure 7 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0049] Description of reference numerals:

[0050] 1-driving motor, 2-polishing roller, 21-roller core, 211-roller body, 212-screw hole, 22-telescopic polishing mechanism, 221-electric push rod, 222-strip polishing plate, 223-battery, 23-elastic cleaning brush, 231-strip brush head, 2311-strip mounting plate, 2312-strip brush plate, 232-spring, 233-spring mounting groove, 3-rectangular frame, 4-seamless steel pipe positioning mechanism, 41-cylinder, 42-positioning plate, 5-waste collection device, 51-storage box, 52-circular mounting window, 53-annular mesh plate, 54-bearing seat, 6-cleaning window structure, 61-cleaning window, 62-box door, 63-handle, 7-cylinder. DETAILED DESCRIPTION

[0051] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0052] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0053] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0054] See also Figure 1-7 The utility model provides a technical solution: a seamless steel pipe inner wall polishing machine, comprising:

[0055] Driving motor 1;

[0056] The polishing roller 2 is longitudinally distributed, and the upper end of the polishing roller 2 is detachably fixedly connected to the lower end of the rotating shaft of the driving motor 1. The driving motor 1 is a vertical motor, which is connected to an external power supply to drive the polishing roller 2 to rotate. The device is suitable for internal polishing of seamless steel pipes with an inner diameter larger than the polishing roller 2;

[0057] The polishing roller 2 comprises:

[0058] The roller core 21 has a retractable polishing mechanism 22 fixedly mounted longitudinally on its outer wall in front and back and left and right directions;

[0059] The outer wall of the roller core 21 is evenly and longitudinally fixedly equipped with an elastic cleaning brush 23, and the elastic cleaning brush 23 and the telescopic polishing mechanism 22 are arranged at intervals, so that the elastic cleaning brush 23 can clean the waste generated by each polishing in time;

[0060] The length of the elastic cleaning brush 23 and the telescopic polishing mechanism 22 is the same as the length of the roller core 21;

[0061] The outer ends of the elastic cleaning brush 23 and the telescopic polishing mechanism 22 are in contact with the inner wall of the seamless steel pipe.

[0062] In some embodiments, in order to facilitate the disassembly and installation between the roller core 21 and the driving motor 1, the roller core 21 includes:

[0063] The roller body 211 has screw holes 212 evenly formed at the edge of its upper end surface. The lower end of the rotating shaft of the driving motor 1 is fixedly connected with a connecting flange coaxially. The connecting flange is fixedly connected to the screw holes 212 on the upper end surface of the roller body 211 by bolts.

[0064] In some embodiments, in order to drive the strip-shaped polishing plate 222 to extend and retract, and to be applicable to seamless steel pipes with different inner diameters within a certain range, the telescopic polishing mechanism 22 includes:

[0065] The strip-shaped polishing plate 222 has a polishing material layer on its outer wall. The outer wall of the strip-shaped polishing plate 222 away from the roller core 21 is an arc surface. The polishing material layer here is the same as the polishing material used in ordinary polishing wheels.

[0066] An electric push rod 221 is evenly and fixedly connected between the outer wall of the strip-shaped polishing plate 222 close to the roller core 21 and the roller core 21;

[0067] The roller core 21 is embedded with a battery 223, which is used to supply power to the electric push rod 221. A plug can be inserted through the gap between the telescopic polishing mechanism 22 and the elastic cleaning brush 23 to charge the battery 223.

[0068] The electric push rods 221 are connected in parallel and electrically connected to the battery 223; the plurality of electric push rods 221 work synchronously, and the strip-shaped polishing plate 222 is driven to move accordingly by the extension and retraction of the electric push rods 221.

[0069] In some embodiments, in order to drive the strip brush head 231 to move by the expansion and contraction of the spring 232, and to be applicable to seamless steel pipes with different inner diameters within a certain range, the elastic cleaning brush 23 includes:

[0070] The strip-shaped brush head 231 has a spring 232 evenly and fixedly connected between the outer wall of the side close to the roller core 21 and the roller core 21 .

[0071] In some embodiments, in order to guide the ends of the spring 232 on both sides and reduce the probability of the spring 232 tilting during the extension and retraction process, spring installation grooves 233 are provided on the outer wall of the strip brush head 231 close to the roller core 21 and on the outer wall of the roller core 21 corresponding to the ends of the spring 232;

[0072] The outer wall of the end of the spring 232 is attached to the inner wall of the spring installation groove 233 .

[0073] In some embodiments, in order to facilitate regular replacement of the strip-shaped brush plate 231 with bristles, the strip-shaped brush head 231 includes;

[0074] The strip mounting plate 2311 has a strip brush plate 2312 pasted and fixed on the outer wall on the side away from the roller core 21. The bristles of the strip plate are evenly pasted and fixed on the outer wall. The strip brush plate 2312 is pasted and fixed with a double-sided adhesive layer. When the bristles are severely worn, the pasted strip brush plate 2312 can be torn off and replaced.

[0075] In some embodiments, in order to fix the polishing device and facilitate its vertical operation, a rectangular frame 3 is also included, and the upper end of the housing of the driving motor 1 is detachably fixedly assembled on the top surface of the inner wall of the rectangular frame 3;

[0076] A cylinder 7 is fixedly mounted on the middle of the lower end surface of the roller core 21 , and the cylinder 7 is rotatably inserted into the bottom surface of the inner wall of the rectangular frame 3 .

[0077] After the rectangular frame 3 is installed, the driving motor 1 and the polishing roller 2 need to be disassembled each time it is used, the seamless steel pipe to be processed is sleeved on the outer wall of the polishing roller 2, and then the driving motor 1 and the polishing roller 2 are installed and reset;

[0078] In this embodiment, bolts are used to fix the upper and lower ends of the driving motor 1. In other embodiments, other forms of detachable connection can be used to achieve more convenient disassembly and installation.

[0079] In some embodiments, in order to collect the waste chips generated by the internal polishing of the seamless steel pipe, a waste chip collection device 5 is provided at the lower end of the rectangular frame 3, and the waste chip collection device 5 includes:

[0080] A storage box 51 is integrally formed at the lower end of the rectangular frame 3;

[0081] A circular installation window 52 is provided in the middle of the upper surface of the storage box 51;

[0082] The inner ring surface of the circular mounting window 52 is fixedly equipped with an annular mesh plate 53, the inner ring surface of the annular mesh plate 53 is fixedly equipped with a bearing seat 54, and the cylinder 7 is inserted into the inner ring surface of the bearing seat 54; after the waste chips fall from the lower end of the seamless steel pipe, they fall into the storage box 51 through the mesh holes of the annular mesh plate 53, and the storage box 51 can discharge the waste chips by opening a discharge port; the cylinder 7 is inserted into the bearing seat 54. This design positions the lower end of the polishing roller 2 and improves the stability of the polishing roller 2 during rotation polishing.

[0083] In some embodiments, in order to clamp and position the seamless steel pipe to be polished inside to prevent it from displacement during the internal polishing process, a seamless steel pipe positioning mechanism 4 is fixedly mounted on the outer wall of the rectangular frame 3, and the seamless steel pipe positioning mechanism 4 includes:

[0084] There are at least two cylinders 41, which are fixedly mounted on the outer wall of the rectangular frame 3 symmetrically, and the telescopic ends of the cylinders 41 penetrate the outer wall of the rectangular frame 3 on the same side;

[0085] The telescopic end of the cylinder 41 is fixedly connected with a positioning plate 42; the cylinders 41 on both sides are connected to the external air supply system, and the cylinders 41 on both sides work synchronously, and the positioning plates 42 moving towards each other are used to clamp and position the seamless steel pipe to be polished inside the lower end of the polishing roller 2, so that the seamless steel pipe to be polished inside is polished in the center.

[0086] In some embodiments, in order to regularly clean the waste stored in the storage box 51, a cleaning window structure 6 is installed on the outer wall of the storage box 51, and the cleaning window structure 6 includes:

[0087] A cleaning window 61 is provided on the outer wall of the storage box 51;

[0088] A box door 62 is hinged on the inner wall of the cleaning window 61 , and the box door 62 is buckled in the cleaning window 61 . A handle 63 is fixedly mounted on the outer wall of the box door 62 away from the hinged end.

[0089] Working principle:

[0090] The driving motor 1 is a vertical motor, which is connected to an external power supply to drive the polishing roller 2 to rotate. The device is suitable for internal polishing of seamless steel pipes whose inner diameter is larger than that of the polishing roller 2. The outer wall of the telescopic polishing mechanism 22 and the elastic cleaning brush 23 on the polishing roller 2 fits with the inner wall of the seamless steel pipe after stretching and adjustment. The inner wall of the seamless steel pipe is polished by the rotating telescopic polishing mechanism 22. During the polishing process, the elastic cleaning brush 23 cleans the inner wall of the polished seamless steel pipe. The generated waste chips can be effectively removed from the inner wall of the seamless steel pipe by this cleaning, and the cleaned waste chips are discharged from the lower end of the seamless steel pipe due to gravity.

[0091] The generated waste chips fall from the lower end of the seamless steel pipe and fall into the storage box 51 through the mesh holes of the annular mesh plate 53; the cylinder 7 is inserted into the bearing seat 54. This design positions the lower end of the polishing roller 2 and improves the stability of the polishing roller 2 during rotational polishing.

[0092] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A seamless steel pipe inner wall polishing machine, characterized in that: include: A driving motor (1); A polishing roller (2) is longitudinally distributed, and the upper end of the polishing roller (2) is detachably fixedly connected to the lower end of the rotating shaft of the driving motor (1); The polishing roller (2) comprises: The roller core (21) has an outer wall longitudinally fixedly equipped with a telescopic polishing mechanism (22) in the front and rear and left and right directions; The outer wall of the roller core (21) is evenly and longitudinally fixedly equipped with an elastic cleaning brush (23), and the elastic cleaning brush (23) and the telescopic polishing mechanism (22) are distributed at intervals; The lengths of the elastic cleaning brush (23) and the telescopic polishing mechanism (22) are the same as the length of the roller core (21); The outer ends of the elastic cleaning brush (23) and the telescopic polishing mechanism (22) are in contact with the inner wall of the seamless steel pipe.

2. A seamless steel pipe inner wall polishing machine according to claim 1, characterized in that: The roller core (21) comprises: The roller body (211) has screw holes (212) evenly arranged at the edge of its upper end surface. The lower end of the rotating shaft of the driving motor (1) is coaxially fixedly connected with a connecting flange, and the connecting flange is fixedly connected to the screw holes (212) on the upper end surface of the roller body (211) by bolts.

3. A seamless steel pipe inner wall polishing machine according to claim 1, characterized in that: The telescopic polishing mechanism (22) comprises: A strip-shaped polishing plate (222), wherein the outer wall of the strip-shaped polishing plate is provided with a polishing material layer, and the outer wall of the strip-shaped polishing plate (222) on a side away from the roller core (21) is an arc surface; An electric push rod (221) is evenly and fixedly connected between the outer wall of the strip-shaped polishing plate (222) on one side close to the roller core (21) and the roller core (21); The roller core (21) is embedded with a storage battery (223); The electric push rod (221) is electrically connected to the battery (223) after being connected in parallel.

4. A seamless steel pipe inner wall polishing machine according to claim 1, characterized in that: The elastic cleaning brush (23) comprises: The strip-shaped brush head (231) has a spring (232) evenly and fixedly connected between the outer wall of the side close to the roller core (21) and the roller core (21).

5. A seamless steel pipe inner wall polishing machine according to claim 4, characterized in that: The outer wall of the strip-shaped brush head (231) close to the roller core (21) and the end of the spring (232) on the outer wall of the roller core (21) are both provided with a spring installation groove (233); The outer wall of the end of the spring (232) is fitted onto the inner wall of the spring installation groove (233).

6. A seamless steel pipe inner wall polishing machine according to claim 4, characterized in that: The strip-shaped brush head (231) comprises: The strip-shaped mounting plate (2311) has a strip-shaped brush plate (2312) pasted and fixed on the outer wall of the side away from the roller core (21), wherein the brush bristles are evenly pasted and fixed on the outer wall of the strip-shaped plate.

7. The seamless steel pipe inner wall polishing machine according to claim 1, characterized in that: It also comprises a rectangular frame (3), and the upper end of the housing of the driving motor (1) is detachably fixedly mounted on the top surface of the inner wall of the rectangular frame (3); A cylinder (7) is fixedly mounted in the middle of the lower end surface of the roller core (21), and the cylinder (7) is rotatably inserted into the bottom surface of the inner wall of the rectangular frame (3).

8. A seamless steel pipe inner wall polishing machine according to claim 7, characterized in that: A waste scrap collection device (5) is provided at the lower end of the rectangular frame (3), and the waste scrap collection device (5) comprises: A storage box (51) is integrally formed at the lower end of the rectangular frame (3); A circular installation window (52) is provided in the middle of the upper surface of the storage box (51); The inner ring surface of the circular installation window (52) is fixedly equipped with an annular mesh plate (53), the inner ring surface of the annular mesh plate (53) is fixedly equipped with a bearing seat (54), and the cylinder (7) is inserted into the inner ring surface of the bearing seat (54).

9. A seamless steel pipe inner wall polishing machine according to claim 7, characterized in that: A seamless steel pipe positioning mechanism (4) is fixedly mounted on the outer wall of the rectangular frame (3), and the seamless steel pipe positioning mechanism (4) comprises: There are at least two cylinders (41), the two cylinders (41) are fixedly mounted on the outer wall of the rectangular frame (3) in a symmetrical manner, and the telescopic ends of the cylinders (41) penetrate the outer wall of the rectangular frame (3) on the same side; The telescopic end of the cylinder (41) is fixedly connected to a positioning plate (42).

10. The seamless steel pipe inner wall polishing machine according to claim 8, characterized in that: A cleaning window structure (6) is mounted on the outer wall of the storage box (51), and the cleaning window structure (6) comprises: A cleaning window (61) is provided on the outer wall of the storage box (51); The inner wall of the cleaning window (61) is hinged with a box door (62), and the box door (62) is buckled in the cleaning window (61). The outer wall of the box door (62) is fixedly equipped with a handle (63) at a side away from the hinge end.

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