Polishing device for inner wall of metal cylindrical pipe fitting

Abstract

The utility model discloses a metal cylindrical pipe fitting inner wall polishing device which comprises a polishing box, a supporting column is fixedly connected to the bottom face of the polishing box, a feeding hole is formed in the left side of the polishing box in a penetrating mode, a base is fixedly connected to the inner wall of the polishing box, and a pipe fitting needing to be machined is inserted into the feeding hole in a sliding mode between traction assemblies. The traction assembly is started to drive the pipe to move rightwards to be connected to the surface of the grinding wheel in a sleeving mode, meanwhile, the limiting mechanism and the supporting wheel assist the pipe to move rightwards, the driving mechanism is started to drive the transmission shaft and the grinding wheel to rotate to grind the inner wall of the pipe, and the movement distance of the pipe is controlled through rotation of the traction assembly; according to the pipe fitting inner wall polishing device, the polishing position of the polishing wheel can be automatically adjusted, the purpose that the polishing position of the inner wall of a pipe fitting can be automatically adjusted conveniently is achieved, and the problems that due to the fact that an existing polishing device cannot automatically adjust the polishing position according to the length of the pipe fitting, the inner wall of the pipe fitting is not completely polished, and the polishing efficiency is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal cylindrical pipe fitting processing technical field especially relates to a kind of for metal cylindrical pipe fitting inner wall polishing device. BACKGROUND

[0002] Metal cylindrical pipe fitting is usually divided into cylindrical pipe fitting and rectangular pipe fitting, and metal cylindrical pipe fitting is a cylindrical tubular metal component widely used in the field of construction, industrial manufacturing etc..Metal cylindrical pipe fitting, as its name implies, its shape is cylinder, and this structural characteristic makes it evenly disperse pressure when stressed, thereby improving its load-bearing capacity and compression resistance. Meanwhile, metal cylindrical pipe fitting also has excellent bending resistance and toughness, and can maintain stable structural form when subjected to external force.

[0003] Metal cylindrical pipe fitting needs to use polishing device to polish and polish the inner wall after production and processing are completed, and the polishing length of the existing polishing device is relatively fixed, which is difficult to adjust the polishing position according to the length of the pipe fitting during use, so that it is difficult to polish the deep part of the pipe fitting, resulting in the problem of incomplete polishing of the pipe fitting, which greatly reduces the polishing efficiency. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of for metal cylindrical pipe fitting inner wall polishing device for solving the problems raised in the above background art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of for metal cylindrical pipe fitting inner wall polishing device, including polishing box, the bottom surface of the polishing box is fixedly connected with support column, the left side of the polishing box is provided with feed hole, the inner wall of the polishing box is fixedly connected with base, the inner wall of the base is rotatably connected with support wheel, the inner wall of the polishing box is fixedly connected with fixed cylinder, the inner wall of the fixed cylinder is rotatably connected with transmission shaft, and transmission shaft is rotatably connected with the inner wall of polishing box, the left side of transmission shaft is fixedly connected with polishing wheel, the top surface of the polishing box is provided with driving mechanism, the left side of the polishing box is provided with traction assembly, the inside of the polishing box is provided with limit mechanism, the top surface of the polishing box is provided with switch door component.

[0007] Preferably, the driving mechanism is composed of a first servo motor, a driving wheel, a transmission belt and a driven wheel, the first servo motor is fixedly connected with the top surface of the polishing box, the inner wall of the driving wheel is fixedly connected with the output end of the first servo motor, the transmission belt is engaged with the inner wall of the driving wheel, and the inner wall of the driven wheel is fixedly connected with the surface of the transmission shaft, and the inner wall of the driven wheel is engaged with the transmission belt.

[0008] Preferably, the traction assembly consists of a fixed plate, a second servo motor, a traction wheel, and a transmission gear. The fixed plate is fixedly connected to the left side of the grinding box, the second servo motor is fixedly connected to the front of the fixed plate, and the output end of the second servo motor is rotatably connected to the inner wall of the fixed plate. The traction wheel is rotatably connected to the inner wall of the fixed plate, and the traction wheel is fixedly connected to the output end of the second servo motor. The inner wall of the transmission gear is fixedly connected to the surface of the traction wheel.

[0009] Preferably, the limiting mechanism consists of a fixed frame and a limiting wheel, wherein the fixed frame is fixedly connected to the inner wall of the grinding box, and the limiting wheel is rotatably connected to the inner wall of the fixed frame.

[0010] Preferably, the door opening and closing assembly consists of a hinge, a visible door panel, and a door lock. The hinge is fixedly connected to the top surface of the grinding box, the visible door panel is hinged to the grinding box via the hinge, and the visible door panel overlaps with the front of the grinding box. The door lock is fixedly connected to the inner wall of the visible door panel.

[0011] Preferably, the base is concave in shape and is made of metal.

[0012] Preferably, there are multiple transmission gears, and all of them mesh with each other. Compared with the prior art, the beneficial effects of this utility model are: the device for grinding the inner wall of metal cylindrical pipe fittings allows the pipe fitting to be processed to be slidably inserted into the feed hole along the traction assembly. The traction assembly is activated to drive the pipe fitting to move to the right and engage with the grinding wheel surface. Simultaneously, a limiting mechanism and a support wheel assist the pipe fitting in moving to the right. The drive mechanism is activated to drive the transmission shaft and grinding wheel to rotate and grind the inner wall of the pipe fitting. By controlling the movement distance of the pipe fitting through the rotation of the traction assembly, the grinding position of the grinding wheel can be automatically adjusted. This achieves the goal of facilitating automatic adjustment of the grinding position of the inner wall of the pipe fitting, avoiding the problem of incomplete grinding and reduced grinding efficiency caused by the difficulty of automatically adjusting the grinding position according to the length of the pipe fitting in existing grinding devices. Attached Figure Description

[0013] Figure 1 This is an isometric drawing of the structure of this utility model;

[0014] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0015] Figure 3 This is an enlarged view of the structure at point A of this utility model;

[0016] Figure 4 This is an enlarged view of structure B of this utility model.

[0017] In the diagram: 1. Grinding box; 2. Support column; 3. Feed hole; 4. Base; 5. Support wheel; 6. Fixed cylinder; 7. Drive shaft; 8. Grinding wheel; 9. First servo motor; 10. Drive wheel; 11. Drive belt; 12. Driven wheel; 13. Fixed plate; 14. Second servo motor; 15. Traction wheel; 16. Transmission gear; 17. Fixed frame; 18. Limit wheel; 19. Hinge; 20. Visible door panel; 21. Door lock. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figures 1-4A grinding device for the inner wall of metal cylindrical pipe fittings includes a grinding box 1, a support column 2 fixedly connected to the bottom surface of the grinding box 1, a feed hole 3 extending through the left side of the grinding box 1, a base 4 fixedly connected to the inner wall of the grinding box 1, the base 4 being concave in shape and made of metal, which provides higher strength, makes it less prone to deformation and damage under stress, and more durable, a support wheel 5 rotatably connected to the inner wall of the base 4, a fixed cylinder 6 fixedly connected to the inner wall of the grinding box 1, and a drive shaft rotatably connected to the inner wall of the fixed cylinder 6. 7. The drive shaft 7 is rotatably connected to the inner wall of the grinding box 1. A grinding wheel 8 is fixedly connected to the left side of the drive shaft 7. A drive mechanism is provided on the top surface of the grinding box 1. The drive mechanism consists of a first servo motor 9, a drive wheel 10, a transmission belt 11, and a driven wheel 12. The first servo motor 9 is fixedly connected to the top surface of the grinding box 1. The inner wall of the drive wheel 10 is fixedly connected to the output end of the first servo motor 9. The transmission belt 11 meshes with the inner wall of the drive wheel 10. The inner wall of the driven wheel 12 is fixedly connected to the surface of the drive shaft 7. The transmission belt 11 meshes with the grinding wheel 8 to drive it to rotate, facilitating automatic grinding of the inner wall of the pipe. A traction assembly is provided on the left side of the grinding box 1. The traction assembly consists of a fixed plate 13, a second servo motor 14, a traction wheel 15, and transmission gears 16. There are multiple transmission gears 16, and all of them mesh with each other to drive multiple traction wheels 15 to rotate relative to each other, facilitating stable movement of the pipe. The fixed plate 13 is fixedly connected to the left side of the grinding box 1. The second servo motor 14 is fixedly connected to the front of the fixed plate 13, and the output end of the second servo motor 14 is rotatably connected to the inner wall of the fixed plate 13. The traction wheel 15 is rotatably connected to the inner wall of the fixed plate 13, and the traction wheel 15 is fixedly connected to the output end of the second servo motor 14. The inner wall of the transmission gear 16 is fixedly connected to the surface of the traction wheel 15, which is used to drive the pipe to move. This allows for adjustment of the grinding position by controlling the movement distance of the pipe, improving grinding flexibility. A limit mechanism is provided inside the grinding box 1, and a door opening and closing assembly is provided on the top surface of the grinding box 1.

[0020] Specifically, the limiting mechanism consists of a fixed frame 17 and a limiting wheel 18. The fixed frame 17 is fixedly connected to the inner wall of the grinding box 1, and the limiting wheel 18 is rotatably connected to the inner wall of the fixed frame 17. It is used to limit the movement position of the pipe fitting and improve the movement stability.

[0021] Specifically, the door opening and closing assembly consists of a hinge 19, a viewing door panel 20, and a door lock 21. The hinge 19 is fixedly connected to the top surface of the grinding box 1. The viewing door panel 20 is hinged to the grinding box 1 via the hinge 19, and the viewing door panel 20 overlaps with the front of the grinding box 1. The door lock 21 is fixedly connected to the inner wall of the viewing door panel 20. It is used to open and close the grinding box 1, which facilitates grinding observation work and also facilitates the maintenance of the device.

[0022] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0023] In use: First, slide the pipe to be processed into the feed hole 3 between multiple traction wheels 15. Start the second servo motor 14 to drive the traction wheels 15 and transmission gears 16 to rotate. Through the meshing of multiple transmission gears 16, the multiple traction wheels 15 are driven to rotate relative to each other along the inner wall of the fixed plate 13, which can drive the pipe to move to the right and fit onto the surface of the grinding wheel 8. At the same time, the pipe contacts the support wheel 5 and the limit wheel 18. Through the rotational connection between the support wheel 5 and the base 4, and the rotational connection between the limit wheel 18 and the fixed frame 17, the pipe can be assisted to move to the right. At the same time, start the first servo motor 9 to drive the drive wheel 10 and the transmission belt 11 to rotate. Through the meshing of the transmission belt 11 and the driven wheel 12, the transmission shaft 7 is driven to rotate along the inner wall of the fixed cylinder 6 and the grinding box 1. Through the rotation of the transmission shaft 7, the grinding wheel 8 is driven to rotate, which can perform grinding work on the inner wall of the pipe. By controlling the movement distance of the pipe by the rotation of the traction wheels 15, the grinding position of the grinding wheel 8 can be automatically adjusted.

[0024] In summary, this grinding device for the inner wall of metal cylindrical pipe fittings allows the pipe fitting to be processed to be slidably inserted into the feed hole 3 along the traction assembly. The traction assembly is activated to drive the pipe fitting to move to the right and engage with the grinding wheel 8. Simultaneously, the limiting mechanism and support wheel 5 assist the pipe fitting in moving to the right. The drive mechanism is activated to drive the transmission shaft 7 and the grinding wheel 8 to rotate and grind the inner wall of the pipe fitting. By controlling the movement distance of the pipe fitting through the rotation of the traction assembly, the grinding position of the grinding wheel 8 can be automatically adjusted. This achieves the goal of automatically adjusting the grinding position of the inner wall of the pipe fitting, avoiding the problem of incomplete grinding and reduced grinding efficiency caused by the difficulty of automatically adjusting the grinding position according to the length of the pipe fitting in existing grinding devices. This device solves the problems mentioned in the background art.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding device for the inner wall of a metal cylindrical pipe fitting, comprising a grinding box (1), characterized in that, The bottom surface of the grinding box (1) is fixedly connected to a support column (2). The left side of the grinding box (1) is provided with a feed hole (3). The inner wall of the grinding box (1) is fixedly connected to a base (4). The inner wall of the base (4) is rotatably connected to a support wheel (5). The inner wall of the grinding box (1) is fixedly connected to a fixed cylinder (6). The inner wall of the fixed cylinder (6) is rotatably connected to a drive shaft (7). The drive shaft (7) is rotatably connected to the inner wall of the grinding box (1). The left side of the drive shaft (7) is fixedly connected to a grinding wheel (8). The top surface of the grinding box (1) is provided with a drive mechanism. The left side of the grinding box (1) is provided with a traction component. The inside of the grinding box (1) is provided with a limit mechanism. The top surface of the grinding box (1) is provided with a door opening and closing component.

2. The grinding device for the inner wall of a metal cylindrical pipe according to claim 1, characterized in that, The drive mechanism consists of a first servo motor (9), a drive wheel (10), a transmission belt (11), and a driven wheel (12). The first servo motor (9) is fixedly connected to the top surface of the grinding box (1). The inner wall of the drive wheel (10) is fixedly connected to the output end of the first servo motor (9). The transmission belt (11) meshes with the inner wall of the drive wheel (10). The inner wall of the driven wheel (12) is fixedly connected to the surface of the transmission shaft (7), and the inner wall of the driven wheel (12) meshes with the transmission belt (11).

3. The grinding device for the inner wall of a metal cylindrical pipe according to claim 1, characterized in that, The traction assembly consists of a fixed plate (13), a second servo motor (14), a traction wheel (15), and a transmission gear (16). The fixed plate (13) is fixedly connected to the left side of the grinding box (1). The second servo motor (14) is fixedly connected to the front of the fixed plate (13), and the output end of the second servo motor (14) is rotatably connected to the inner wall of the fixed plate (13). The traction wheel (15) is rotatably connected to the inner wall of the fixed plate (13), and the traction wheel (15) is fixedly connected to the output end of the second servo motor (14). The inner wall of the transmission gear (16) is fixedly connected to the surface of the traction wheel (15).

4. The device for grinding the inner wall of a metal cylindrical pipe according to claim 1, characterized in that, The limiting mechanism consists of a fixed frame (17) and a limiting wheel (18). The fixed frame (17) is fixedly connected to the inner wall of the grinding box (1), and the limiting wheel (18) is rotatably connected to the inner wall of the fixed frame (17).

5. The grinding device for the inner wall of a metal cylindrical pipe according to claim 1, characterized in that, The door opening and closing assembly consists of a hinge (19), a visible door panel (20), and a door lock (21). The hinge (19) is fixedly connected to the top surface of the grinding box (1). The visible door panel (20) is hinged to the grinding box (1) via the hinge (19), and the visible door panel (20) overlaps with the front of the grinding box (1). The door lock (21) is fixedly connected to the inner wall of the visible door panel (20).

6. The device for grinding the inner wall of a metal cylindrical pipe according to claim 1, characterized in that, The base (4) is concave in shape and is made of metal.

7. The grinding device for the inner wall of a metal cylindrical pipe according to claim 3, characterized in that, The number of transmission gears (16) is multiple, and the multiple transmission gears (16) mesh with each other.

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