Tubular part inner and outer wall polishing equipment

Abstract

The utility model relates to the technical field of part machining, in particular to tubular part inner and outer wall polishing equipment which comprises an operation platform, a triangular block fixedly connected to the upper end face of the operation platform, a threaded rod rotationally connected to the outer wall of the triangular block and a first motor fixedly installed on the upper end face of the operation platform, and the output end of the first motor is fixedly connected with the threaded rod. The upper end of the operation platform is slidably connected with a sliding block, abrasive paper is fixedly installed on the upper end face of the triangular block and the upper end face of the sliding block, and the upper end face of the operation platform is fixedly connected with three sets of first electric telescopic arms which are distributed in a circumferential mode and connected with a first connecting pipe and a second connecting pipe. The ends, away from the first air pipes, of the second connecting pipes penetrate through the outer sides of the mounting round frames, a plurality of air holes are formed in the outer surfaces of the first connecting pipes, the second connecting pipes are fixedly connected with the other mounting round frames, and whether holes exist in the inner walls of the tubular parts or not can be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular to a device for polishing inner and outer walls of tubular parts. Background Art

[0002] A tubular structure is a hollow columnar structure. In engineering, there are many tubular structures with closed or semi-closed cavities. Some of these inner cavity structures are key load-bearing structures and are extremely important for safe use. Tubular parts are now widely used in various fields, and as a result, there are more and more equipment for processing tubular parts. However, there are few existing equipment that can detect whether there are holes in the tube wall. Now, there is a need for a tubular part inner and outer wall polishing equipment that can detect whether there are holes in the tube wall.

[0003] A Chinese patent (authorization announcement number: CN216178680U) proposes a tubular parts processing equipment, which belongs to the technical field of tubular parts processing. The equipment includes a processing table through a clamping plate, a groove is opened on one side of the upper surface of the processing table, and a bidirectional screw is rotatably installed inside the groove. The two ends of the bidirectional screw are respectively threadedly connected with the clamping plate, and a movable plate is slidably connected to the other side of the upper surface of the processing table. A vertical plate is fixedly installed in the middle position of the upper surface of the movable plate, a ventilation pipe is fixedly installed on one side of the upper end of the vertical plate, and a work-shaped piece is fixedly installed at one end of the ventilation pipe, and an airbag is fixedly installed between the work-shaped pieces. The distance between the clamping plates is adjusted to facilitate clamping and fixing the outer wall of the tubular part, and the work-shaped piece and the airbag are extended into the interior of the tubular part by moving the movable plate, and the airbag is inflated to expand the airbag, so that the airbag supports the inner wall of the tubular part, thereby avoiding deformation of the tubular part during cutting or polishing, and improving the processing effect.

[0004] In the above scheme, only the tubular parts are fixed, and the airbag is expanded to support the inner wall of the tubular parts to avoid deformation of the tubular parts during cutting or polishing, thereby improving the processing effect. However, it is impossible to detect whether there are holes in the inner wall of the tubular parts. For this reason, we propose a polishing device for the inner and outer walls of tubular parts. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a tubular part inner and outer wall polishing device to solve the background problem.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A tubular part inner and outer wall polishing device, comprising an operating platform, the upper end surface of the operating platform is fixedly connected with a triangular block, the outer wall of the triangular block is rotatably connected with a threaded rod, the upper end surface of the operating platform is fixedly installed with a first motor, the output end of the first motor is fixedly connected with the threaded rod, the upper end of the operating platform is slidably connected with a slider, the upper end surfaces of the triangular block and the slider are fixedly installed with sandpaper, the upper end surface of the operating platform is fixedly connected with three groups of first electric retractable arms, and the three groups of the first electric retractable arms are distributed in a circle, the output end of the first electric retractable arm is rotatably connected with an electric wheel, and the upper end surface of the operating platform is provided with two groups of mounting round frames, and the opposite ends of the two groups of mounting round frames are fixedly installed with a crawling mechanism;

[0008] A grinding mechanism for grinding the inner wall of a tubular part is fixedly installed between the two groups of the mounting circular frames, an air pressure detector for detecting air pressure is fixedly installed on the outer wall of one group of the mounting circular frames, an expansion mechanism is installed inside the mounting circular frames, an air pump is fixedly installed on the upper end surface of the operating platform, an air outlet of the air pump is fixedly connected to a first air pipe, an end of the first air pipe away from the air pump is fixedly connected to a first connecting pipe and a second connecting pipe, and an end of the second connecting pipe away from the first air pipe passes through the outside of the mounting circular frame, a plurality of air holes are opened on the outer surface of the first connecting pipe, and the second connecting pipe is fixedly connected to the other group of mounting circular frames.

[0009] As a further feature of the present invention, the crawling mechanism includes a first sliding rod, the first sliding rod is fixedly connected to the mounting frame, a sliding sleeve is slidably connected to the outer surface of the first sliding rod, and a folding arm is rotatably connected between the sliding sleeve and the first sliding rod.

[0010] As a further feature of the present invention, the outer wall of the folding arm is rotatably connected to an electric track wheel via a rotating shaft, a third electric retractable arm is fixedly connected to the inside of the first slide bar, and an output end of the third electric retractable arm is fixedly connected to the sliding sleeve.

[0011] As a further embodiment of the present invention, the polishing mechanism includes: the rotating arm is rotatably connected between two groups of mounting circular frames, three groups of second electric retractable arms are fixedly connected to the outer wall of the rotating arm, a friction block is fixedly connected to the output end of the second electric retractable arm, and sandpaper is pasted on the outer wall of the friction block.

[0012] As a further feature of the present invention, a second gear is fixedly connected to one end of the rotating arm close to the air pressure detector, and the second gear is fixedly connected to one set of mounting circular frames. A second motor is fixedly connected to one end of the left mounting circular frame close to the air pressure detector, and a first gear is fixedly connected to an output end of the second motor, and the first gear and the second gear are meshed with each other.

[0013] As a further feature of the present invention, the expansion mechanism includes a mounting disc, a reset torsion spring is installed inside the mounting disc, a rotating disc is rotatably connected to the bottom of the mounting disc, two sets of clamping blocks are fixedly connected to one end of the rotating disc close to the mounting disc, a recovery wheel is fixedly connected to one end of the rotating disc away from the clamping blocks, a plurality of tension ropes are fixedly connected to the outer wall of the recovery wheel, a rubber sleeve is installed inside the mounting frame, and the inside of the rubber sleeve is fixedly connected to the mounting frame.

[0014] Beneficial Effects

[0015] The utility model provides a tubular parts inner and outer wall polishing device. Compared with the prior art, it has the following beneficial effects:

[0016] The device for polishing inner and outer walls of tubular parts starts an air pump, which inflates the first connecting tube and the second connecting tube through the first air pipe. The first connecting tube and the second connecting tube inflate the inside of two groups of rubber sleeves and between two groups of mounting round frames respectively. When the inside of the rubber sleeve is filled with gas and expands, the outer wall of the rubber sleeve abuts against the inner wall of the tubular part. At this time, the second connecting tube continues to inflate the space between the two groups of mounting round frames. The inner wall of the rubber sleeve pulls the tension rope to drive the recovery wheel to rotate. The recovery wheel accumulates force for the rotation of the reset torsion spring through the clamping block. When the air pressure detector detects that the air pressure between the two groups of mounting round frames does not continue to increase, it means that the section of the tube wall is leaking. In this way, it is possible to detect whether the inner wall of the tubular part has a hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the main view of the utility model;

[0018] Figure 2 for Figure 1 The enlarged schematic diagram at A in the middle;

[0019] Figure 3 This is a schematic diagram of the structure of the circular frame installed on the main body of the utility model;

[0020] Figure 4 This is a schematic diagram of the position structure of the main air pressure detector of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the main crawling mechanism of the utility model;

[0022] Figure 6 This is a schematic diagram of the interior of the main rubber sleeve of the utility model;

[0023] Figure 7 This is a schematic diagram of the interior of the main body installation disc of the utility model.

[0024] In the figure: 1. mounting round frame; 2. air pressure detector; 3. rubber sleeve; 4. air pump; 5. first air pipe; 6. first motor; 7. first electric retracting arm; 8. second motor; 9. first gear; 10. second electric retracting arm; 11. rotating arm; 12. friction block; 13. first connecting pipe; 14. second connecting pipe; 15. second gear; 16. third electric retracting arm; 17. first sliding rod; 18. sliding sleeve; 19. electric crawler wheel; 20. folding arm; 21. pulling rope; 22. mounting disc; 23. recovery wheel; 24. reset torsion spring; 25. clamping block; 26. rotating disc; 27. electric wheel; 28. triangular block; 29. ​​slider; 30. operating platform; 31. threaded rod; 32. sliding rod; 101. grinding mechanism; 201. expansion mechanism; 301. crawling mechanism. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1 , 2As shown in Figures 3 and 4, the utility model provides a technical solution: a device for polishing inner and outer walls of tubular parts, including an operating platform 30, a triangular block 28 is fixedly connected to the upper end surface of the operating platform 30, a threaded rod 31 is rotatably connected to the outer wall of the triangular block 28, a first motor 6 is fixedly installed on the upper end surface of the operating platform 30, an output end of the first motor 6 is fixedly connected to the threaded rod 31, and a slider 29 is slidably connected to the upper end of the operating platform 30. Specifically, two groups of sliding rods 32 are fixedly connected to one end of the triangular block 28 close to the threaded rod 31, and the two groups of sliders 29 are symmetrically distributed, and the outer surfaces of the sliding rods 32 are slidably connected to the sliders 29. The two groups of sliding rods 32 can limit the sliders 29 and improve the stability of the sliders 29 when moving. The sliders 29 and the upper end surfaces of the triangular block 28 are both provided with curved surfaces, and the curved surfaces can better fit the circular tubular parts. Abrasive paper is fixedly installed on the upper end surfaces of the triangular block 28 and the slider 29, and the upper end surface of the operating platform 30 is fixedly connected to three groups of first electric retractable arms 7 , and the three groups of first electric retractable arms 7 are distributed in a circle, the output end of the first electric retractable arm 7 is rotatably connected to the electric wheel 27, two groups of mounting round frames 1 are arranged on the upper end surface of the operating platform 30, and the crawling mechanism 301 is fixedly installed on the opposite ends of the two groups of mounting round frames 1, and a grinding mechanism 101 for grinding the inner wall of the tubular part is fixedly installed between the two groups of mounting round frames 1, and an air pressure detector 2 for detecting air pressure is fixedly installed on the outer wall of one group of mounting round frames 1, and an expansion mechanism 201 is installed inside the mounting round frame 1, and an air pump 4 is fixedly installed on the upper end surface of the operating platform 30, and the air outlet of the air pump 4 is fixedly connected to the first air pipe 5, and the end of the first air pipe 5 away from the air pump 4 is fixedly connected to the first connecting pipe 13 and the second connecting pipe 14, and the end of the second connecting pipe 14 away from the first air pipe 5 passes through the outside of the mounting round frame 1, and a plurality of air holes are opened on the outer surface of the first connecting pipe 13, and the second connecting pipe 14 is fixedly connected to the other group of mounting round frames 1, and the air holes are located inside one group of mounting round frames 1.

[0027] Example 2: Please refer to Figure 5 As shown, the crawling mechanism 301 includes a first slide bar 17, the first slide bar 17 is fixedly connected to the mounting frame 1, the outer surface of the first slide bar 17 is slidably connected with a sleeve 18, and a folding arm 20 is rotatably connected between the sleeve 18 and the first slide bar 17, and a weight-reducing hole is opened on the outer wall of the folding arm 20, and the weight-reducing hole can greatly reduce the overall weight, which is convenient for the staff to carry later. The outer wall of the folding arm 20 is rotatably connected to the electric crawler wheel 19 through a rotating shaft, and the third electric retracting arm 16 is fixedly connected to the inside of the first slide bar 17, and the output end of the third electric retracting arm 16 is fixedly connected to the sleeve 18.

[0028] See also Figure 4As shown, the grinding mechanism 101 includes a rotating arm 11, which is rotatably connected between two groups of mounting circular frames 1, and three groups of second electric retractable arms 10 are fixedly connected to the outer wall of the rotating arm 11, and the three groups of second electric retractable arms 10 are distributed in a circle, and a friction block 12 is fixedly connected to the output end of the second electric retractable arm 10, and sandpaper is pasted on the outer wall of the friction block 12, and the outer wall of the friction block 12 is set to be curved, and the curved arc shape can better fit the inner wall of the circular pipe wall part, and the end of the rotating arm 11 close to the air pressure detector 2 is fixedly connected to the second gear 15, and the second gear 15 is fixedly connected to one group of mounting circular frames 1, and the end of the left mounting circular frame 1 close to the air pressure detector 2 is fixedly connected to the second motor 8, and the output end of the second motor 8 is fixedly connected to the first gear 9, and the first gear 9 and the second gear 15 are meshed with each other.

[0029] See also Figure 3 , 4 As shown in , 6 and 7, the expansion mechanism 201 includes a mounting disc 22, and a reset torsion spring 24 is installed inside the mounting disc 22. Specifically, a mounting cavity is opened inside the mounting disc 22, and the reset torsion spring 24 is installed inside the mounting cavity. A rotating disc 26 is rotatably connected to the bottom of the mounting disc 22, and one end of the rotating disc 26 close to the mounting disc 22 is fixedly connected with two groups of clamping blocks 25, and the reset torsion spring 24 is clamped between the two groups of clamping blocks 25. The end of the rotating disc 26 away from the clamping block 25 is fixedly connected with a recovery wheel 23, and a plurality of tension ropes 21 are fixedly connected to the outer wall of the recovery wheel 23, and the tension ropes 21 are made of rubber ropes. The rubber ropes have good pulling properties and are not easily broken. A rubber sleeve 3 is installed inside the mounting frame 1, and the inside of the rubber sleeve 3 is fixedly connected to the mounting frame 1.

[0030] Working principle: Place the tubular part on the upper end surface of the triangular block 28 and the slider 29, place the inner wall of the tubular part between the three groups of electric wheels 27, start the first electric retracting arm 7, and the three groups of first electric retracting arms 7 drive the electric wheels 27 to abut against the inner wall of the tubular part. When the electric wheels 27 are started, the tubular part rotates. When the tubular part rotates, it rubs against the sandpaper on the slider 29, and the threaded rod 31 rotates through the first motor 6, and the threaded rod 31 drives the slider 29 to move, so as to grind multiple positions of the sandpaper.

[0031] Place two sets of mounting round frames 1 inside the tubular part, start the third electric retracting arm 16, the third electric retracting arm 16 drives the sliding sleeve 18 to move, the sliding sleeve 18 drives the folding arm 20 to fold, the folding arm 20 drives the electric track wheel 19 to abut against the inner wall of the tubular part, the electric track wheel 19 drives the two sets of mounting round frames 1 to move toward the inner wall of the tubular part, and then start the second motor 8 to drive the first gear 9 to rotate, the first gear 9 drives the rotating arm 11 to rotate through the second gear 15, the rotating arm 11 drives the three sets of second electric retracting arms 10 to rotate, the second electric retracting arm 10 drives the friction block 12 to abut against the inner wall of the tubular part, and the second electric retracting arm 10 can grind the inner wall of the tubular part;

[0032] Since the grinding position may be rusted and have leaks, when the two groups of rubber sleeves 3 are located between the grinding positions, the air pump 4 is started, and the air pump 4 inflates the first connecting tube 13 and the second connecting tube 14 through the first air pipe 5. The first connecting tube 13 and the second connecting tube 14 inflate the two groups of rubber sleeves 3 and the two groups of mounting round frames 1 respectively. When the rubber sleeve 3 is filled with gas and expands, the outer wall of the rubber sleeve 3 abuts against the inner wall of the tubular part. At this time, the second connecting tube 14 continues to inflate the space between the two groups of mounting round frames 1. When the rubber sleeve 3 expands, the inner wall of the rubber sleeve 3 pulls the tension rope 21 to drive the recovery wheel 23 to rotate. The recovery wheel 23 stores force for the rotation of the reset torsion spring 24 through the clamping block 25. When the air pressure detector 2 detects that the air pressure between the two groups of mounting round frames 1 does not continue to increase, it means that the section of the pipe wall is leaking. In this way, whether there are leaks in the inner wall of the tubular part can be detected.

[0033] 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.

[0034] 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.

Claims

1. A tubular part inner and outer wall polishing device, comprising an operating platform (30), characterized in that: The upper end surface of the operating platform (30) is fixedly connected to a triangular block (28), and the outer wall of the triangular block (28) is rotatably connected to a threaded rod (31). The upper end surface of the operating platform (30) is fixedly installed with a first motor (6), and the output end of the first motor (6) is fixedly connected to the threaded rod (31). The upper end of the operating platform (30) is slidably connected to a slider (29), and the upper end surfaces of the triangular block (28) and the slider (29) are fixedly installed with sandpaper. The upper end surface of the operating platform (30) is fixedly connected to three groups of first electric retractable arms (7), and the three groups of the first electric retractable arms (7) are distributed in a circle. The output end of the first electric retractable arm (7) is rotatably connected to an electric wheel (27). The upper end surface of the operating platform (30) is provided with two groups of mounting round frames (1), and the opposite ends of the two groups of mounting round frames (1) are fixedly installed with a crawling mechanism (301); A grinding mechanism (101) capable of grinding the inner wall of a tubular part is fixedly installed between the two groups of the mounting round frames (1), an air pressure detector (2) capable of detecting air pressure is fixedly installed on the outer wall of one group of the mounting round frames (1), an expansion mechanism (201) is installed inside the mounting round frames (1), an air pump (4) is fixedly installed on the upper end surface of the operating platform (30), an air outlet of the air pump (4) is fixedly connected to a first air pipe (5), an end of the first air pipe (5) away from the air pump (4) is fixedly connected to a first connecting pipe (13) and a second connecting pipe (14), and an end of the second connecting pipe (14) away from the first air pipe (5) passes through the outside of the mounting round frame (1), a plurality of air holes are opened on the outer surface of the first connecting pipe (13), and the second connecting pipe (14) is fixedly connected to the other group of mounting round frames (1).

2. The inner and outer wall polishing device of a tubular part according to claim 1, characterized in that: The crawling mechanism (301) comprises a first sliding rod (17), the first sliding rod (17) is fixedly connected to the mounting frame (1), a sliding sleeve (18) is slidably connected to the outer surface of the first sliding rod (17), and a folding arm (20) is rotatably connected between the sliding sleeve (18) and the first sliding rod (17).

3. The inner and outer wall polishing device of a tubular part according to claim 2, characterized in that: The outer wall of the folding arm (20) is rotatably connected to an electric track wheel (19) via a rotating shaft, the interior of the first slide bar (17) is fixedly connected to a third electric retractable arm (16), and the output end of the third electric retractable arm (16) is fixedly connected to a sliding sleeve (18).

4. The inner and outer wall polishing device of a tubular part according to claim 1, characterized in that: The grinding mechanism (101) comprises a rotating arm (11), the rotating arm (11) being rotatably connected between two groups of mounting circular frames (1), the outer wall of the rotating arm (11) being fixedly connected with three groups of second electric retractable arms (10), the output end of the second electric retractable arm (10) being fixedly connected with a friction block (12), and the outer wall of the friction block (12) being pasted with sandpaper.

5. The inner and outer wall polishing device of a tubular part according to claim 4, characterized in that: The end of the rotating arm (11) close to the air pressure detector (2) is fixedly connected to a second gear (15), and the second gear (15) is fixedly connected to one of the groups of mounting round frames (1). The end of the left mounting round frame (1) close to the air pressure detector (2) is fixedly connected to a second motor (8), and the output end of the second motor (8) is fixedly connected to a first gear (9), and the first gear (9) and the second gear (15) are meshed with each other.

6. The inner and outer wall polishing device of a tubular part according to claim 1, characterized in that: The expansion mechanism (201) comprises a mounting disc (22), a return torsion spring (24) is installed inside the mounting disc (22), a rotating disc (26) is rotatably connected to the bottom of the mounting disc (22), one end of the rotating disc (26) close to the mounting disc (22) is fixedly connected to two groups of clamping blocks (25), one end of the rotating disc (26) away from the clamping blocks (25) is fixedly connected to a recovery wheel (23), and the outer wall of the recovery wheel (23) is fixedly connected to a plurality of tension ropes (21), and a rubber sleeve (3) is installed inside the mounting frame (1), and the inside of the rubber sleeve (3) is fixedly connected to the mounting frame (1).

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