Steel pipe polishing equipment capable of polishing inside and outside simultaneously

Abstract

The utility model relates to the technical field of steel pipe machining, and discloses a steel pipe polishing device capable of polishing inside and outside simultaneously, which comprises a base, a supporting mechanism, an inner polishing mechanism and an outer polishing mechanism are respectively arranged on the base, and the supporting mechanism comprises a vertical plate, a horizontal roller and a motor, a rectangular frame is arranged above the base, a screw is connected between the upper inner wall and the lower inner wall of the rectangular frame, and the inner polishing mechanism comprises a connecting plate, an electric telescopic rod, a second motor and a polishing disc which are connected outside the screw in a sleeving mode. A horizontal plate is arranged on the rear side of the base, a rectangular groove is formed in the lower portion of the horizontal plate, a second screw is arranged between the left inner wall and the right inner wall of the rectangular groove, one end of the second screw is connected with a third motor, and the outer polishing mechanism comprises an L-shaped plate, an electric telescopic plate, a second horizontal plate, a second vertical plate, a fourth motor and a second polishing disc which are arranged outside the second screw in a threaded and sleeving mode. Compared with the prior art, the polishing device has the advantages that the polishing quality is high, and chippings are prevented from splashing.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a steel pipe polishing device capable of polishing the inside and outside of the steel pipe simultaneously. Background Art

[0002] Steel pipe is a steel material with a hollow cross-section and a length much larger than the diameter or circumference. It has a closed hollow geometry and can be used as a pipeline for conveying liquids, gases and solids. Under the same weight, steel pipe has a larger section modulus than other steel materials, and has greater bending and torsion resistance, and is an economical section profile. Therefore, steel pipe is widely used in the fields of construction, machinery manufacturing, highway bridges, etc. It can be used to convey fluids and powdered solids, exchange heat energy, and manufacture mechanical parts and containers.

[0003] In order to improve the surface quality and performance of steel pipes, it is necessary to polish the inner and outer walls of the steel pipes. Existing steel pipe polishing equipment that can polish the inner and outer walls simultaneously usually includes a workbench and a steel pipe body, and an inner polishing structure, a steel pipe body bracket and an outer polishing structure are installed on the workbench. The steel pipe rotates on the steel pipe body bracket, and the inner polishing structure and the outer polishing structure rotate and polish the steel pipe at the same time, realizing inner and outer polishing, so that the steel pipe polishing efficiency is high.

[0004] However, the existing steel pipe polishing equipment that can polish both inside and outside at the same time still has the following shortcomings:

[0005] 1. During polishing, the steel pipe is prone to sliding and displacement, which may cause omissions in polishing and affect the polishing quality;

[0006] 2. Debris splashes during polishing, making it inconvenient to clean. Utility Model Content

[0007] 1. Technical Problems Solved

[0008] The technical problem to be solved by the utility model is that omissions may occur during polishing, which affects the polishing quality, and debris splashes, which is inconvenient to clean.

[0009] 2. Technical Solution

[0010] In order to solve the above technical problems, the utility model provides a technical solution: a steel pipe polishing device capable of simultaneously polishing the inside and outside, comprising a base, on which a supporting mechanism, an inner polishing mechanism and an outer polishing mechanism are respectively provided.

[0011] The support mechanism comprises a vertical plate arranged at one end above the base, a side of the vertical plate close to the center of the base is rotatably provided with front and rear horizontal rollers facing each other, and a motor drivingly connected to one of the horizontal rollers is fixedly provided on the other side of the vertical plate;

[0012] One end of the base away from the vertical plate is provided with a rectangular frame with an opening facing the center of the base. A screw rod is connected between the upper and lower inner walls of the rectangular frame. The inner polishing mechanism includes a connecting plate sleeved outside the screw rod. Nuts are threadedly sleeved on the screw rod on both the upper and lower sides of the connecting plate. One end of the connecting plate away from the base is provided with an electric telescopic rod. One end of the electric telescopic rod passes through the connecting plate and is connected with a second motor. The output end of the second motor is connected with a polishing disc.

[0013] A horizontal plate is provided at the rear side of the base. A rectangular groove is provided below the horizontal plate. A second screw rod is provided between the left and right inner walls of the rectangular groove. One end of the second screw rod extends out of the horizontal plate and is connected with a third motor. The outer polishing mechanism includes an L-shaped plate threadedly sleeved outside the second screw rod. The horizontal end of the L-shaped plate extends out of the horizontal plate and is provided with an electric telescopic plate at the upper end. The upper end of the electric telescopic plate is connected with a second horizontal plate facing forward. A second vertical plate is provided below the second horizontal plate. A fourth motor is provided on the side wall of the second vertical plate. The output end of the fourth motor is parallel to the length direction of the horizontal roller and is connected with a second polishing disc.

[0014] As an improvement, a groove is provided above the base. The inner wall of the bottom of the groove is inclined downward toward the front side and extends out of the base at both the front and rear ends. A baffle is provided at the upper end of the front side of the horizontal plate.

[0015] As an improvement, the length of the groove is equal to the length of the horizontal roller.

[0016] As an improvement, the height of the baffle is equal to the lowest height of the electric telescopic plate.

[0017] As an improvement, the number of the screw rods is two. The front and rear side walls of the connecting plate are in contact with the front and rear inner walls of the rectangular frame.

[0018] As an improvement, the side wall of the L-shaped plate is in contact with the inner wall of the rectangular groove. The length of the rectangular groove is greater than the length of the horizontal roller.

[0019] As an improvement, the axis center of the second polishing disc is located at the center of the two horizontal rollers.

[0020] III. Beneficial Effects

[0021] The advantages of the present utility model compared with the prior art are as follows:

[0022] 1. The steel pipe is placed on the supporting mechanism so as to be abutted against the vertical plate. Both the inner polishing mechanism and the outer polishing mechanism approach the vertical plate from one side of the original vertical plate, causing the position of the steel pipe to slide left and right, with comprehensive polishing and high polishing quality.

[0023] 2. By providing the baffle in cooperation with the groove, the splashed debris can be intercepted above and in front of the base, and due to the action of gravity, it is concentrated in front of the base along the groove, making the debris cleaning more convenient. Brief Description of the Drawings

[0024] Figure 1 is a schematic structural view of a steel pipe polishing device of the present utility model that can polish both inside and outside simultaneously.

[0025] Figure 2 is a schematic structural view of a steel pipe polishing device of the present utility model that can polish both inside and outside simultaneously Figure 2 .

[0026] Figure 3 is a front view of a steel pipe polishing device of the present utility model that can polish both inside and outside simultaneously.

[0027] Figure 4 is a schematic structural view of the explosion state of a steel pipe polishing device of the present utility model that can polish both inside and outside simultaneously.

[0028] As shown in the figure: 1. Base; 2. Support mechanism; 3. Inner polishing mechanism; 4. Outer polishing mechanism; 5. Vertical plate; 6. Horizontal roller; 7. Motor; 8. Rectangular frame; 9. Screw; 10. Connecting plate; 11. Nut; 12. Electric telescopic rod; 13. Motor II; 14. Polishing disc; 15. Horizontal plate; 16. Rectangular groove; 17. Screw II; 18. Motor III; 19. L-shaped plate; 20. Electric telescopic plate; 21. Horizontal plate II; 22. Vertical plate II; 23. Motor IV; 24. Polishing disc II; 25. Groove; 26. Baffle. Detailed Embodiment

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Embodiment 1

[0031] As shown in the attached Figure 1 and attached Figure 2As shown in the figure, a steel pipe polishing device capable of polishing both inside and outside simultaneously includes a base 1. On the base 1, there are respectively provided a support mechanism 2, an internal polishing mechanism 3, and an external polishing mechanism 4. The support mechanism 2 includes a vertical plate 5 provided at one end above the base 1. On the side of the vertical plate 5 close to the center of the base 1, horizontally arranged rollers 6 opposite to each other in the front and back are rotatably provided. On the other side of the vertical plate 5, a motor 7 drivingly connected to one of the horizontally arranged rollers 6 is fixedly provided. At one end of the base 1 above and away from the vertical plate 5, there is a rectangular frame 8 with an opening facing the center of the base 1. A screw rod 9 is connected between the upper and lower inner walls of the rectangular frame 8. The internal polishing mechanism 3 includes a connecting plate 10 sleeved outside the screw rod 9. Nuts 11 are threadedly sleeved on the screw rod 9 on the upper and lower sides of the connecting plate 10. At the end of the connecting plate 10 away from the base 1, there is an electric telescopic rod 12. One end of the electric telescopic rod 12 passes through the connecting plate 10 and is connected to a second motor 13. The output end of the second motor 13 is connected to a polishing disc 14. At the rear of the base 1, there is a horizontal plate 15. Below the horizontal plate 15, there is a rectangular groove 16. A second screw rod 17 is provided between the left and right inner walls of the rectangular groove 16. One end of the second screw rod 17 extends out of the horizontal plate 15 and is connected to a third motor 18. The external polishing mechanism 4 includes an L-shaped plate 19 threadedly sleeved outside the second screw rod 17. The horizontal end of the L-shaped plate 19 extends out of the horizontal plate 15 and is provided with an electric telescopic plate 20 at the upper end. The upper end of the electric telescopic plate 20 is connected to a second horizontal plate 21 facing forward. Below the second horizontal plate 21, there is a second vertical plate 22. On the side wall of the second vertical plate 22, there is a fourth motor 23. The output end of the fourth motor 23 is parallel to the length direction of the horizontally arranged rollers 6 and is connected to a second polishing disc 24.

[0032] With the above structure, place the steel pipe on the support mechanism 2 so that one end of it abuts against the vertical plate 5. According to the size of the steel pipe, select polishing discs 14 and the second polishing disc 24 of appropriate sizes. By rotating the nuts 11 on the screw rod 9, the height of the internal polishing mechanism 3 can be adjusted to make the polishing disc 14 coincide with the center of the steel pipe. After the electric telescopic rod 12 extends, the polishing disc 14 can be exactly inserted into the steel pipe. Control the third motor 18 to make the external polishing mechanism 4 located at the end away from the vertical plate 5. Then, by controlling the electric telescopic plate 20, make the second polishing disc 24 adhere to the outer side wall of the steel pipe. The two horizontally arranged rollers 6 are made of rubber rollers with relatively large frictional force, and the second polishing disc 24 will apply a pressure to the steel pipe, enabling the horizontally arranged rollers 6 to drive the steel pipe to rotate. At the same time, start the motor 7, the second motor 13, and the fourth motor 23 to make the horizontally arranged rollers 6, the polishing disc 14, and the second polishing disc 24 rotate, and make the rotation directions of the three the same, so that the rotation directions of the steel pipe and the polishing disc 14 and the second polishing disc 24 are opposite, realizing polishing. Start the second motor 13, and the electric telescopic rod 12 continuously extends to comprehensively polish the steel pipe, avoiding the left and right sliding of the position of the steel pipe, and the polishing quality is high.

[0033] It should be noted that the supporting power supplies and control switches of the motor 7, the electric telescopic rod 12, the second motor 13, the third motor 18, the electric telescopic plate 20 and the fourth motor 23 mentioned in this embodiment can also be provided by the manufacturer. The circuits, electronic components and modules involved are all prior arts, and those skilled in the art can fully implement them without further elaboration.

[0034] Embodiment 2

[0035] On the basis of Embodiment 1, please refer to the attached Figure 3 and the attached Figure 4

[0036] A groove 25 is provided above the base 1. The inner wall of the bottom of the groove 25 slopes downward toward the front side, and both the front and rear ends extend out of the base 1. A baffle 26 is provided at the upper end of the front side of the horizontal plate 15; the length of the groove 25 is equal to the length of the horizontal roller 6; the height of the baffle 26 is equal to the lowest height of the electric telescopic plate 20.

[0037] With the above structure, the baffle 26 blocks the debris from splashing to the rear side. Cooperating with the groove 25 whose bottom inner wall slopes downward toward the front side, and the length of the groove 25 corresponding to the horizontal roller 6, it can catch the debris of steel pipes with any length placed on the horizontal roller 6, intercept the splashing debris above and in front of the base 1, and make the debris concentrate on the front side of the base 1 due to gravity, making the debris cleaning more convenient.

[0038] The number of the screw rods 9 is two, and the front and rear side walls of the connecting plate 10 are in contact with the front and rear inner walls of the rectangular frame 8.

[0039] With the above structure, the connecting plate 10 is restricted by both the screw rod 9 and the rectangular frame 8, moves vertically up and down on the screw rod 9 without rotating, and is fixed in position by the position of the nut 11.

[0040] The side wall of the L-shaped plate 19 is in contact with the inner wall of the rectangular groove 16, and the length of the rectangular groove 16 is greater than the length of the horizontal roller 6.

[0041] With the above structure, the L-shaped plate 19 is restricted by the rectangular groove 16 and moves horizontally along the length direction of the second screw rod 17 in the rectangular groove 16, and the moving range of the L-shaped plate 19 is greater than that of the horizontal roller 6, and it can polish steel pipes with any length within the length of the horizontal roller 6.

[0042] The axis of the second polishing disc 24 is located at the center of the two horizontal rollers 6.

[0043] With the above structure, when the second polishing disc 24 moves downward, it just presses on the steel pipe to prevent the steel pipe from detaching from the supporting mechanism 2.

[0044] The specific method of use is as follows: place the steel pipe on the support mechanism 2 so that one end of it is against the vertical plate 5. According to the size of the steel pipe, select the polishing disc 14 and the polishing disc 24 of appropriate size. By turning the nut 11 on the screw 9, the height of the inner polishing mechanism 3 can be adjusted so that the polishing disc 14 is the same as the center of the steel pipe. After the electric telescopic rod 12 is extended, the polishing disc 14 can be inserted into the steel pipe just right. Control the motor 3 18, the screw 2 17 rotates, and the outer polishing mechanism 4 moves horizontally to the end away from the vertical plate 5. Then, by controlling the electric telescopic plate 20, the polishing disc 24 is attached to the upper end of the outer wall of the steel pipe. At the same time, start the motor 7, the motor 2 13 and the motor 4 23 to make the horizontal roller 6 and the polishing disc 14 By rotating with the polishing disc 24 and making the three of them rotate in the same direction, the steel pipe and the polishing disc 14 and the polishing disc 24 can rotate in opposite directions to achieve polishing, start the motor 2 13, and the electric telescopic rod 12 continues to extend to fully polish the steel pipe to prevent the steel pipe from sliding left and right. The polishing quality is high, and a baffle 26 is provided on the horizontal plate 15 to prevent debris from splashing to the rear side. In conjunction with the groove 25 on the bottom inner wall that is inclined downward toward the front side, the length of the groove 25 corresponds to the horizontal roller 6, and can receive debris of any length of the steel pipe placed on the horizontal roller 6, so that the splashing debris is intercepted above and in front of the base 1, and is concentrated on the front side of the base 1 along the groove 25 due to gravity, making it easier to clean the debris.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0047] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A steel pipe polishing device capable of simultaneously polishing the inside and outside of the steel pipe, comprising a base (1), wherein a supporting mechanism (2), an inner polishing mechanism (3) and an outer polishing mechanism (4) are respectively provided on the base (1), wherein: The support mechanism (2) comprises a vertical plate (5) arranged at one end above the base (1); a side of the vertical plate (5) close to the center of the base (1) is rotatably provided with front and rear opposite horizontal rollers (6); and a motor (7) drivingly connected to one of the horizontal rollers (6) is fixedly provided on the other side of the vertical plate (5); A rectangular frame (8) with an opening toward the center of the base (1) is provided at one end of the upper side of the base (1) away from the vertical plate (5); a screw rod (9) is connected between the upper and lower inner walls of the rectangular frame (8); the inner polishing mechanism (3) comprises a connecting plate (10) sleeved on the outside of the screw rod (9); nuts (11) are threadedly sleeved on the screw rods (9) on the upper and lower sides of the connecting plate (10); an electric telescopic rod (12) is provided at one end of the connecting plate (10) away from the base (1); one end of the electric telescopic rod (12) passes through the connecting plate (10) and is connected to a second motor (13); the output end of the second motor (13) is connected to a polishing disc (14); A horizontal plate (15) is provided at the rear side of the base (1), a rectangular groove (16) is provided below the horizontal plate (15), a screw rod (17) is provided between the left and right inner walls of the rectangular groove (16), one end of the screw rod (17) extends out of the horizontal plate (15) and is connected to a motor (18), the external polishing mechanism (4) comprises an L-shaped plate (19) threadedly sleeved on the outside of the screw rod (17), one horizontal end of the L-shaped plate (19) extends out of the horizontal plate (15) and an electric telescopic plate (20) is provided at the upper end, the upper end of the electric telescopic plate (20) is connected to a forward horizontal plate (21), a vertical plate (22) is provided below the horizontal plate (21), a motor (23) is provided on the side wall of the vertical plate (22), the output end of the motor (23) is parallel to the length direction of the horizontal roller (6), and is connected to a polishing disc (24).

2. The steel pipe polishing equipment capable of polishing both inside and outside simultaneously according to claim 1, wherein: A groove (25) is provided above the base (1), the inner wall of the bottom of the groove (25) is inclined downward toward the front, and the front and rear ends extend out of the base (1), and a baffle (26) is provided at the upper front end of the horizontal plate (15).

3. A steel pipe polishing device capable of polishing both inside and outside simultaneously according to claim 2, characterized in that: The length of the groove (25) is equal to the length of the horizontal roller (6).

4. A steel pipe polishing device capable of polishing both inside and outside simultaneously according to claim 2, characterized in that: The height of the baffle (26) is equal to the lowest height of the electric telescopic plate (20).

5. A steel pipe polishing device capable of polishing both inside and outside simultaneously according to claim 1, characterized in that: The number of the screw rods (9) is two, and the front and rear side walls of the connecting plate (10) are in contact with the front and rear inner walls of the rectangular frame (8).

6. The steel pipe polishing equipment capable of polishing both inside and outside simultaneously according to claim 1, wherein: The side wall of the L-shaped plate (19) is in contact with the inner wall of the rectangular groove (16), and the length of the rectangular groove (16) is greater than the length of the horizontal roller (6).

7. A steel pipe polishing device capable of polishing both inside and outside simultaneously according to claim 1, characterized in that: The axis of the second polishing disc (24) is located at the center of the two horizontal rollers (6).

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