Automatic centering bidirectional polishing equipment for inner pipe of oil pipeline

Abstract

The utility model relates to automatic centering bidirectional polishing equipment for an inner pipe of an oil pipeline, which specifically structurally comprises a polishing bottom plate and a polishing support plate arranged on the polishing bottom plate, a driving support frame is arranged on one side of the polishing bottom plate, a driving assembly is arranged on the driving support frame, and the driving assembly comprises a driving threaded rod. The driving threaded rod is of a double-thread structure, the directions of threads in the two directions are opposite, a polishing mechanism is slidably connected to the driving threaded rod and comprises a curved surface grinding block abutting against the inner wall of the oil conveying pipeline, a polishing barrier plate is arranged on one side of the polishing supporting plate, and an inclined limiting plate is fixedly connected to the upper portion of the polishing barrier plate; the inclined limiting plate is provided with an inclined limiting face, a pushing assembly is fixedly arranged on the polishing bottom plate and comprises a pushing plate for pushing the oil conveying pipeline to move along the surface of the polishing supporting plate, and the bidirectional polishing effect is achieved by arranging a driving threaded rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil pipeline machining technical field, concretely relates to a kind of automatic centering oil pipeline inner tube bidirectional polishing equipment. BACKGROUND

[0002] Oil pipeline (also called pipeline, pipe line) is composed of oil pipe and its accessories, and according to the needs of process flow, corresponding oil pump unit is equipped, and a complete pipeline system is designed and installed to complete oil loading and unloading and transfer task.

[0003] In the processing of oil pipeline, the inner wall of the oil pipeline needs to be polished, and the polishing can make the inner wall of the oil pipeline smooth, facilitate oil transportation and prevent oil from being affected by the rough inner wall to affect the transportation efficiency. The existing polishing generally places the oil pipeline on the placing clamp, and the machining roller of the polishing is operated by the staff to extend into one side of the oil pipeline, so as to polish the inner wall of the oil pipeline. The inner wall of the oil pipeline can be polished smoothly.

[0004] In the existing oil pipeline polishing process, the inner wall of the oil pipeline needs to be polished on one side after positioning by clamp, and the oil pipeline products to be processed are more, and one-side polishing will lead to long production process, which greatly reduces the production efficiency. Therefore, the existing oil pipeline polishing process has the problem of low efficiency caused by one-side polishing of the inner wall. UTILITY MODEL CONTENTS

[0005] The utility model aims at: through the setting of double-side synchronous polishing structure, the two sides of the oil pipeline can be polished at the same time, and the center of the oil pipeline can be automatically aligned, so that the efficient polishing effect of automatic centering and double-side processing is realized.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: an automatic centering oil pipeline inner tube bidirectional polishing equipment, including polishing bottom plate and the polishing support plate being arranged on the polishing bottom plate, the side of the polishing bottom plate is provided with drive support frame, drive assembly is arranged on the drive support frame, the drive assembly includes drive screw rod, the drive screw rod is double thread structure, the thread direction of two directions is opposite, polishing mechanism is connected on the drive screw rod and slides, the polishing mechanism includes curved surface grinding block that is in contact with the inner wall of oil pipeline, the side of the polishing support plate is provided with polishing baffle, the upper side of the polishing baffle is fixedly connected with inclined limiting plate, the inclined limiting plate is provided with inclined limiting surface, the polishing bottom plate is fixedly provided with pusher assembly, the pusher assembly includes push plate that pushes oil pipeline to move on the surface of the polishing support plate.

[0007] Preferably, the driving assembly further comprises a driving support plate fixedly connected between the two driving support frames, a driving motor fixedly connected to the driving support plate, a linkage turntable fixedly connected to an output end of the driving motor, a linkage rod fixedly connected to one side of the threaded rod, and a meshing turntable fixedly connected to an end of the linkage rod, wherein the linkage turntable and the meshing turntable are drivingly connected through a toothed belt.

[0008] Preferably, the polishing structure comprises an upper polishing block slidingly connected to the threaded rod, a lower polishing block fixedly connected below the upper polishing block, two limiting support columns fixedly connected to the polishing base plate, limiting blocks fixedly connected to top portions of the limiting support columns, and a limiting long rod fixedly connected between the two limiting blocks, wherein the lower polishing block is slidingly connected to the limiting long rod.

[0009] Preferably, the polishing structure further comprises a polishing connecting block fixedly connected to the lower polishing block, and a polishing hexagonal block, wherein each face of the polishing hexagonal block is provided with an elastic telescopic rod, a curved polishing block is fixedly connected to an end of each elastic telescopic rod, one face of the polishing hexagonal block is fixedly connected with a rotating shaft, one side of the polishing connecting block is fixedly connected with a polishing motor, and an output shaft of the polishing motor penetrates through the polishing connecting block and is fixedly connected with the rotating shaft.

[0010] Preferably, the pushing assembly further comprises a pushing linear module fixedly connected to the polishing base plate, a pushing sliding plate slidingly connected to the pushing linear module, a pushing vertical plate fixedly connected to the pushing sliding plate, a pushing connecting plate fixedly connected to a top portion of the pushing vertical plate, and a pushing plate fixedly connected to the pushing connecting plate.

[0011] Preferably, the polishing support plate is provided with a pushing accommodation groove.

[0012] Preferably, both sides of the polishing support plate are fixedly connected with material feeding limiting plates.

[0013] The polishing device has the following beneficial effects:

[0014] 1. The two polishing structures arranged symmetrically are driven by the double-linkage driving assembly, so that the two ends of the inner wall of the oil conveying pipeline can be polished at the same time, and the polishing efficiency is improved.

[0015] 2. The blocking structure and the pushing assembly are arranged, so that the oil conveying pipeline can be transported to the clamp for tilting the surface of the oil conveying pipeline during feeding, and the limiting clamping effect of the oil conveying pipeline is achieved.

[0016] 3. The elastic telescopic structure is arranged, so that the polishing mechanism can adapt to oil conveying pipelines of different specifications and different diameters. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Structure diagram of the bidirectional polishing equipment for the inner pipe of the automatic centering oil pipeline Figure 1 ;

[0018] Figure 2 Structure diagram of the bidirectional polishing equipment for the inner pipe of the automatic centering oil pipeline Figure 2 ;

[0019] Figure 3 Structure diagram of the bidirectional polishing equipment for the inner pipe of the automatic centering oil pipeline Figure 3 ;

[0020] Figure 4 Structure diagram of the bidirectional polishing equipment for the inner pipe of the automatic centering oil pipeline Figure 4 ;

[0021] Figure 5 Structure diagram of the bidirectional polishing equipment for the inner pipe of the automatic centering oil pipeline Figure 4 ;

[0022] Figure 6 Structure diagram of the bidirectional polishing equipment for the inner pipe of the automatic centering oil pipeline

[0023] In the drawings:

[0024] 1, polishing bottom plate; 11, polishing support plate; 111, pushing accommodation groove; 12, driving support frame; 13, polishing blocking plate; 14, inclined limiting plate; 141, inclined limiting surface; 15, feeding limiting plate;

[0025] 2, driving assembly; 21, driving threaded rod; 22, driving support plate; 221, driving motor; 222, linkage turntable; 23, linkage rod; 231, meshing turntable; 24, toothed belt;

[0026] 3, polishing mechanism; 31, curved surface polishing block; 32, upper polishing block; 33, lower polishing block; 34, limiting support column; 341, limiting block; 342, limiting long rod; 35, polishing connecting block; 351, polishing motor; 36, polishing hexagonal block; 361, elastic telescopic rod; 362, rotating shaft;

[0027] 4, pushing assembly; 41, pushing plate; 42, pushing linear module; 421, pushing sliding plate; 43, pushing vertical plate; 44, pushing connecting plate. DETAILED DESCRIPTION

[0028] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be further described in detail with the drawings and examples.

[0029] Reference Figures 1-6 The polishing bottom plate 1 is provided with a polishing support plate 11, one side of the polishing support plate 11 is provided with a polishing blocking plate 13, the upper side of the polishing blocking plate 13 is fixedly connected with an inclined limiting plate 14, the inclined limiting plate 14 is provided with an inclined limiting surface 141, and when the oil pipeline is transported to the polishing support plate 11 for polishing, the oil pipeline can be clamped and limited by the inclined limiting surface 141.

[0030] Reference Figures 1-6 The polishing bottom plate 1 is provided with a polishing support plate 11, one side of the polishing support plate 11 is provided with a polishing blocking plate 13, the upper side of the polishing blocking plate 13 is fixedly connected with an inclined limiting plate 14, the inclined limiting plate 14 is provided with an inclined limiting surface 141, and when the oil pipeline is transported to the polishing support plate 11 for polishing, the oil pipeline can be clamped and limited by the inclined limiting surface 141.

[0031] Reference Figures 1-6The side of the polishing bottom plate 1 is provided with a driving support frame 12, the driving support frame 12 is provided with a driving assembly 2, the driving assembly 2 comprises a driving threaded rod 21, the driving threaded rod 21 is a double-thread structure, the thread directions of two directions are opposite, when the driving threaded rod 21 rotates, the screw rod slider on the driving threaded rod 21 in the thread direction can simultaneously and synchronously move towards the opposite direction, the driving assembly 2 further comprises a driving support plate 22, the driving support plate 22 is fixedly connected between the two driving support frames 12, the driving support plate 22 is fixedly connected with a driving motor 221, the driving motor 221 is used as the driving source of the driving threaded rod 21, the output end of the driving motor 221 is fixedly connected with a linkage turntable 222, one side of the threaded rod is fixedly connected with a linkage rod 23, the end of the linkage rod 23 is fixedly connected with a meshing turntable 231, the linkage turntable 222 and the meshing turntable 231 are drivingly connected through a toothed belt 24, thereby forming a linkage relationship that the linkage turntable 222 drives the meshing turntable 231 to rotate and further drives the linkage rod 23 to rotate, thereby enabling the driving motor 221 to drive the driving threaded rod 21 to rotate.

[0032] Reference Figures 1-6The polishing mechanism 3 is slidably connected to the driving threaded rod 21, and the polishing mechanism 3 is a pair of symmetrical structures that move towards or away from each other. The polishing mechanism 3 includes a curved polishing block 31 that is in contact with the inner wall of the oil pipeline. The curved end of the curved polishing block 31 is arc-shaped and matches the shape of the inner cavity of the oil pipeline, and the surface is sand-like structure. The curved polishing block 31 can rub against the inner wall of the oil pipeline cavity to polish the inner wall of the oil pipeline. The polishing structure includes an upper polishing block 32 that is slidably connected to the driving threaded rod 21. The upper polishing block 32 has a screw thread inside. The two opposite upper polishing blocks 32 are located at the opposite ends of the driving threaded rod 21. When the driving threaded rod 21 rotates, the two upper polishing blocks 32 move towards each other. The lower polishing block 33 is fixedly connected below the upper polishing block 32. The upper polishing block 32 and the lower polishing block 33 move synchronously. The polishing base plate 1 is fixedly connected with two limiting support columns 34. The top of the limiting support column 34 is fixedly connected with a limiting block 341. The two limiting blocks 341 are fixedly connected with a limiting long rod 342. The lower polishing block 33 is slidably connected to the limiting long rod 342. When the upper polishing block 32 moves under the driving of the driving threaded rod 21, the lower polishing block 33 moves on the limiting long rod 342, which stabilizes the movement trajectory of the upper polishing block 32 and the lower polishing block 33. The polishing structure also includes a polishing connecting block 35 that is fixedly connected to the lower polishing block 33. The polishing structure also includes a polishing hexagonal block 36. The elastic expansion rods 361 are arranged on each face of the polishing hexagonal block 36. The elastic expansion rods 361 have elastic force away from the surface of the polishing hexagonal block 36, which can adapt to the size of the inner cavity of the oil pipeline of different specifications. The curved polishing blocks 31 are fixedly connected to the ends of the elastic expansion rods 361. The polishing hexagonal block 36 is fixedly connected with a rotating shaft 362 on one side. The polishing motor 351 is fixedly connected to one side of the polishing connecting block 35. The output shaft of the polishing motor 351 penetrates through the polishing connecting block 35 and is fixedly connected with the rotating shaft 362. When the polishing motor 351 is started, it can drive the rotating shaft 362 to rotate, thereby driving the curved polishing blocks 31 to rotate around the center of the polishing hexagonal block 36 and rub against the inner wall of the oil pipeline.

[0033] The working principle of the mechanism is as follows: when the polishing process is carried out, the oil pipeline is placed between the two feeding limiting plates 15, the pushing linear module 42 is started, the pushing linear module 42 drives the pushing plate 41 to push the oil pipeline to the surface and the polishing blocking plate 13, at this time, the pushing linear module 42 is closed, the oil pipeline is clamped and fixed by the three surfaces of the inclined limiting surface 141, the surface of the pushing plate 41 and the surface of the polishing blocking plate 13, the limiting of the three surfaces can make the center of the oil pipeline face the center of the polishing mechanism 3, the driving motor 221 is started, the driving motor 221 drives the driving threaded rod 21 to rotate, the two upper polishing blocks 32 at both ends of the driving threaded rod 21 move towards each other, when the oil pipeline is approached, the polishing motor 351 is started, the polishing motor 351 drives the rotating shaft 362 to rotate, so that the six curved surface polishing blocks 31 make circular motion around the center of the rotating shaft 362, and the speed is equal to the driving speed of the polishing motor 351, when the polishing mechanism 3 enters the inner cavity of the oil pipeline, the curved surface polishing blocks 31 and the annular wall of the inner cavity of the oil pipeline are in contact and are rubbed on the inner wall of the oil pipeline through the circular motion, with the rotation of the driving threaded rod 21, the two groups of curved surface polishing blocks 31 continuously extend into the inner cavity of the oil pipeline and polish the inner cavity of the oil pipeline from outside to inside, when the two upper polishing blocks 32 are transported to the end of the corresponding driving threaded rod 21, the mutually facing ends of the two groups of curved surface polishing blocks 31 are in contact, so that the annular wall of the entire inner cavity of the oil pipeline is polished, then the driving motor 221 is started in reverse, the two upper polishing blocks 32 move away synchronously in reverse, and the two groups of curved surface polishing blocks 31 move out of the oil pipeline from the middle part of the inner cavity of the oil pipeline in reverse, the annular wall of the inner cavity of the oil pipeline is polished twice in the process, after the polishing is completed, the running motor and the driving motor 221 are stopped, the pushing linear module 42 is started in reverse, the pushing effect of the pushing plate 41 on one side of the oil pipeline is released, and the work personnel can carry out discharging, so that the automatic centering and bidirectional synchronous polishing process is completed.

[0034] The above embodiments are used to further illustrate the present application, but the present application is not limited to these specific embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be understood as being within the protection scope of the present application.

Claims

1. A self-centering bi-directional polishing apparatus for the inner pipe of an oil pipeline, characterized by: The utility model provides a polishing device, including polishing bottom plate (1) and set up on polishing bottom plate (1) polishing support plate (11), one side of polishing bottom plate (1) is provided with drive support frame (12), be provided with drive assembly (2) on drive support frame (12), drive assembly (2) includes drive threaded rod (21), drive threaded rod (21) is double -thread structure, the thread direction of two directions is opposite, drive threaded rod (21) is connected with polishing mechanism (3) slidingly, polishing mechanism (3) includes and the curved surface grinding block (31) of oil pipeline inner wall resistance, one side of polishing support plate (11) is provided with polishing baffle (13), the top fixed connection of polishing baffle (13) is provided with inclined limit board (14), be provided with inclined limit surface (141) on inclined limit board (14), be provided with pusher assembly (4) on polishing bottom plate (1), pusher assembly (4) includes push plate (41) that pushes oil pipeline and moves the surface of polishing support plate (11).

2. A bidirectional polishing apparatus for an inner tube of an automatic centering oil pipeline, according to claim 1, characterized in that: The drive assembly (2) further includes a drive support plate (22) fixedly connected between the two drive support frames (12), a drive motor (221) fixedly connected to the drive support plate (22), an output shaft of the drive motor (221) fixedly connected with a linkage turntable (222), one side of the threaded rod fixedly connected with a linkage rod (23), the end of the linkage rod (23) fixedly connected with an engaging turntable (231), the linkage turntable (222) and the engaging turntable (231) are drivingly connected through a toothed belt (24).

3. A bidirectional polishing apparatus for an inner tube of an automatic centering oil pipeline, according to claim 1, characterized in that: The polishing mechanism includes an upper polishing block (32) slidingly connected to the drive threaded rod (21), a lower polishing block (33) fixedly connected below the upper polishing block (32), two limiting support columns (34) fixedly connected to the polishing bottom plate (1), a limiting block (341) fixedly connected to the top of each limiting support column (34), a limiting long rod (342) fixedly connected between the two limiting blocks (341), and the lower polishing block (33) slidingly connected to the limiting long rod (342).

4. A bidirectional polishing apparatus for an inner tube of an automatic centering oil pipeline, according to claim 3, characterized in that: The polishing mechanism further includes a polishing connecting block (35) fixedly connected to the lower polishing block (33), and a polishing hexagonal block (36) having an elastic telescopic rod (361) extending from each face of the polishing hexagonal block (36), the curved surface grinding block (31) fixedly connected to the end of each elastic telescopic rod (361), a rotating shaft (362) fixedly connected to one face of the polishing hexagonal block (36), a polishing motor (351) fixedly connected to one side of the polishing connecting block (35), and an output shaft of the polishing motor (351) penetrating through the polishing connecting block (35) and fixedly connected with the rotating shaft (362).

5. A bi-directional polishing apparatus for an inner pipe of an automatic centering oil pipeline, according to claim 1, characterized in that: The pushing assembly (4) further comprises a pushing linear module (42) fixedly connected to the polishing bottom plate (1), a pushing sliding plate (421) is slidably connected to the pushing linear module (42), a pushing vertical plate (43) is fixedly connected to the pushing sliding plate (421), a pushing connecting plate (44) is fixedly connected to the top of the pushing vertical plate (43), and the pushing plate (41) and the pushing connecting plate (44) are fixedly connected.

6. A bidirectional polishing apparatus for an inner tube of an automatic centering oil pipeline, according to claim 5, characterized in that: The polishing support plate (11) is provided with a pushing accommodation slot (111).

7. A bidirectional polishing apparatus for an inner tube of an automatic centering oil pipeline, according to claim 1, characterized in that: The polishing support plate (11) is fixedly connected with feeding limiting plates (15) on both sides.

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