Sand blasting device for inner wall of tubular workpiece

Abstract

The utility model belongs to the technical field of pipeline interior cleaning tools, and particularly relates to a tubular workpiece inner wall sand blasting device which comprises a conveying pipe, a fixing ring is fixedly connected to the outer side of the middle section of the conveying pipe, a crawler belt expansion assembly is arranged on the outer side of the fixing ring, and a fixing frame is fixedly connected to the outer side of the conveying pipe. A multi-angle adjusting assembly is arranged on the outer side of the fixing frame, a rotating disc is arranged at the adjusting end of the multi-angle adjusting assembly, a mounting disc is fixedly connected to the inner side of the outer side of the rotating disc, a quick-release assembly is arranged on the outer side of the mounting disc, a spray head is arranged at the quick-release end of the quick-release assembly, and a clamping groove is formed in the outer wall of the middle section of the spray head. According to the sand blasting device for the inner wall of the tubular workpiece, the multi-angle adjusting assembly is matched with the rotating disc, so that the spray head is driven to rotate, the sand blasting angle is adjusted, and it can be ensured that some dead corners or blind areas which are not easy to process can be effectively processed by adjusting the angle of the spray head.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline internal cleaning tool technical field especially relates to a tubular workpiece inner wall sand blasting device. BACKGROUND

[0002] Tubular workpiece inner wall sand blasting device removes the oxide, corrosion and impurity on the surface of pipeline through high-speed spraying abrasive, improves surface quality and finish. Because the inner wall space of pipeline is narrow, the equipment needs to accurately control sand blasting path, nozzle positioning and air pressure flow to ensure uniform treatment and solve the problem of difficult treatment in corners. The device is widely used in petroleum, natural gas, chemical industry, automobile and aerospace industries, effectively improves pipeline quality, prolongs service life and provides ideal surface for subsequent coating. With the progress of technology, the equipment is developing towards high efficiency, environmental protection and energy saving.

[0003] But in the actual use process of the prior art scheme, some are through annular spray head to spray sand, so as to spray sand treatment to the inner wall of pipeline, but because the impurities attached to the inner wall of pipeline are different in thickness, and the spraying path of annular spray head is fixed, it cannot be adjusted according to the different shape and demand of pipeline, which may lead to insufficient sand blasting in some areas, additional adjustment or longer processing time is needed, which reduces the overall efficiency.

[0004] Therefore, the utility model provides a tubular workpiece inner wall sand blasting device. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the prior art cannot clean a certain area, and provides a tubular workpiece inner wall sand blasting device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A tubular workpiece inner wall sand blasting device, comprising a conveying pipe, a fixed ring is fixedly connected to the outer side of the middle segment of the conveying pipe, a track expansion assembly is arranged on the outer side of the fixed ring, a fixed frame is fixedly connected to the outer side of the conveying pipe, a multi-angle adjusting assembly is arranged on the outer side of the fixed frame, a rotating disc is arranged on the adjusting end of the multi-angle adjusting assembly, a mounting disc is fixedly connected to the outer side and the inner side of the rotating disc, a quick release assembly is arranged on the outer side of the mounting disc, a spray head is arranged on the quick release end of the quick release assembly, a clamping groove is formed in the outer wall of the middle segment of the spray head, and a sand inlet pipe is fixedly connected to the outer side of the middle segment of the conveying pipe.

[0008] As a preferred technical scheme of the present application, the mounting disc is fixedly connected with a connecting hose away from the limiting disc, and the connecting hose is fixedly connected with the conveying pipe.

[0009] As a preferred technical scheme of the present application, the track expansion assembly comprises an in-band electric push rod, one end of the in-band electric push rod is fixedly connected with a fixed ring, an output end of the in-band electric push rod is fixedly connected with a sliding ring, an outer side of the sliding ring is rotatably connected with a transmission frame, the other end of the transmission frame is rotatably connected with a track wheel, a first support frame is slidably connected with the middle section of the transmission frame, one end of the first support frame is rotatably connected with the outer side of the conveying pipe, and the other end of the first support frame is rotatably connected with the outer side of the track wheel.

[0010] As a preferred technical scheme of the present application, the multi-angle adjusting assembly comprises a first motor, a first motor is fixedly connected with the outer side of the bottom wall of the fixed frame, a first worm is fixedly connected with the output end of the first motor, the first worm is rotatably connected with the fixed frame, a third worm gear sleeve is meshingly connected with the outer side of the first worm, a third connecting rod is fixedly connected with the outer side of the third worm gear sleeve, a third transmission rod is rotatably connected with the outer side of the third connecting rod, the third transmission rod is rotatably connected with one side of the rotating disc, a second motor is fixedly connected with the outer side of the fixed frame, a second worm is fixedly connected with the output end of the second motor, the second worm is rotatably connected with the fixed frame, a second worm gear sleeve is rotatably connected with the outer side of the second worm, a second connecting rod is fixedly connected with the outer side of the second worm gear sleeve, a second transmission rod is rotatably connected with the outer side of the second connecting rod, the second transmission rod is rotatably connected with the rotating disc, a third motor is fixedly connected with the outer side of the fixed frame, a third worm is fixedly connected with the output end of the third motor, the third worm is rotatably connected with the fixed frame, a first worm gear sleeve is meshingly connected with the outer side of the third worm, a first connecting rod is fixedly connected with the outer side of the first worm gear sleeve, a first transmission rod is rotatably connected with the outer side of the first connecting rod, the first transmission rod is rotatably connected with one side of the rotating disc, a limiting frame is fixedly connected with the inner side of the fixed frame, and the limiting frame is rotatably connected with the third worm gear sleeve.

[0011] As a preferred technical scheme of the present application, the quick release assembly comprises a limiting disc, the limiting disc is fixedly connected with the mounting disc, a sliding plate is slidably connected with the outer side of the limiting disc, a limiting rod is fixedly connected with the inner side wall of the sliding plate, a sliding groove is formed in the inner side wall of the limiting rod, the limiting rod is clampedly connected with the clamping groove, and the nozzle is slidably connected with the sliding groove.

[0012] As a preferred technical scheme of the present application, the sliding plate is fixedly connected with a second support frame, a clamping rod is slidably connected with the inner side of the second support frame, a spring is arranged on the middle section of the clamping rod, one end of the spring is fixedly connected with the second support frame, the other end of the spring is fixedly connected with the clamping pin arranged on the middle section of the clamping rod, and the clamping rod is clampedly connected with the limiting disc.

[0013] Compared with the prior art, the tubular workpiece inner wall sand blasting device has the following beneficial effects:

[0014] 1. The utility model relates to a tubular workpiece inner wall sand blasting device, through the cooperation of multi-angle adjusting assembly and rotating disc, the rotation of the spray head is driven, the sand blasting angle is adjusted, through the adjustment of the spray head angle, can ensure that some difficult to handle dead angle or blind area can also be effectively handled, avoid missing and uneven sand blasting phenomenon, can concentrate on injection in some positions simultaneously, reduce the invalid injection time and material waste, and further improve the work efficiency.

[0015] 2. The utility model relates to a tubular workpiece inner wall sand blasting device, through the driving of the limiting disc, the transverse movement of the limiting rod is carried out, thereby controlling the abutment of limiting rod, sliding slot and clamping groove, spray head respectively, thereby realizing the fixation or loosening of spray head, realizing the quick release function of spray head, make the maintenance and cleaning of equipment become more convenient. When the spray head is blocked or worn due to long time use, the operator can quickly disassemble the spray head and clean or replace it, thereby reducing the downtime, ensuring the continuous and efficient operation of the equipment. DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram and enlarged view in the utility model,

[0017] Figure 2 It is the local three-dimensional structure schematic diagram in the utility model Figure One ;

[0018] Figure 3 It is the local three-dimensional structure schematic diagram in the utility model Figure Two ;

[0019] Figure 4 It is the local three-dimensional structure schematic diagram in the utility model Figure Three ;

[0020] Figure 5 It is the section structure schematic diagram of third worm gear sleeve in the utility model,

[0021] Figure 6 It is the local three-dimensional structure schematic diagram in the utility model Figure Four ;

[0022] Figure 7 It is the local three-dimensional structure schematic diagram in the utility model Figure Five ;

[0023] Figure 8 It is the section structure schematic diagram of sliding plate in the utility model Figure One ;

[0024] Figure 9 It is the section structure schematic diagram of sliding plate in the utility model Figure Two ;

[0025] Figure 10 is the utility model Figure 9 A place enlarged view in the utility model.

[0026] In the figure:

[0027] 1, conveying pipe;11, first support frame;12, transmission frame;13, fixed ring;14, belt electric push rod;15, sliding ring;16, track wheel;17, sand inlet pipe;2, fixed frame;21, first motor;22, first worm;23, second motor;24, second worm;25, third motor;26, third worm;27, first worm gear sleeve;28, first connecting rod;29, first transmission rod;210, second worm gear sleeve;211, second connecting rod;212, second transmission rod;213, third worm gear sleeve;214, third connecting rod;215, third transmission rod;216, limit frame;3, rotating disc;31, connecting hose;32, mounting disc;4, limit disc;41, sliding plate;42, limit rod;43, sliding groove;5, second support frame;51, clamping rod;52, spring;6, spray head;61, clamping groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0029] Referring to Figures 1-10 , a sand blasting device for the inner wall of a tubular workpiece, comprising a conveying pipe 1, a fixed ring 13 is fixedly connected to the outer side of the middle section of the conveying pipe 1, the fixed ring 13 is fixed through the conveying pipe 1, the outer side of the fixed ring 13 is provided with a track expansion assembly, the outer side of the conveying pipe 1 is fixedly connected with a fixed frame 2, the fixed frame 2 is fixed through the conveying pipe 1, the outer side of the fixed frame 2 is provided with a multi-angle adjusting assembly, the adjusting end of the multi-angle adjusting assembly is provided with a rotating disc 3, the outer side and the inner side of the rotating disc 3 are fixedly connected with a mounting disc 32, the mounting disc 32 is fixed through the rotating disc 3, the outer side of the mounting disc 32 is provided with a quick release assembly, the quick release end of the quick release assembly is provided with a spray head 6, the middle section outer wall of the spray head 6 is provided with a clamping groove 61, the middle section outer side of the conveying pipe 1 is fixedly connected with a sand inlet pipe 17, the sand inlet pipe 17 is fixed through the conveying pipe 1, and sand material can be conveyed into the conveying pipe 1 through the sand inlet pipe 17, so that the equipment can continuously sand blast.

[0030] The installation disc 32 is fixedly connected with a connecting hose 31 on the side away from the limiting disc 4, and the connecting hose 31 is fixedly connected with the conveying pipe 1, so that the conveying pipe 1 and the installation disc 32 are connected through the connecting hose 31.

[0031] The track expansion assembly comprises an in-track electric push rod 14, one end of the in-track electric push rod 14 is fixedly connected with a fixed ring 13, the in-track electric push rod 14 is supported and fixed through the fixed ring 13, a sliding ring 15 is fixedly connected with the output end of the in-track electric push rod 14, the sliding ring 15 is fixed through the in-track electric push rod 14, and the sliding ring 15 slides on the outer side of the conveying pipe 1 through the in-track electric push rod 14, a transmission frame 12 is rotationally connected with the outer side of the sliding ring 15, a track wheel 16 is rotationally connected with the other end of the transmission frame 12, the sliding ring 15 and the track wheel 16 are connected through the transmission frame 12, a first support frame 11 is slidably connected with the middle segment of the transmission frame 12, one end of the first support frame 11 is rotationally connected with the outer side of the conveying pipe 1, the other end of the first support frame 11 is rotationally connected with the outer side of the track wheel 16, the inner side of the transmission frame 12 is driven to move horizontally by the sliding ring 15, so as to cooperate with the first support frame 11 to adjust the lifting height of the track wheel 16.

[0032] The multi-angle adjusting assembly comprises a first motor 21, a first motor 21 is fixedly connected to the outer side of the bottom wall of the fixing frame 2, the first motor 21 is fixed by the fixing frame 2, a first worm 22 is fixedly connected to the output end of the first motor 21, the first worm 22 is rotatably connected to the fixing frame 2, the first worm 22 is limited by the fixing frame 2, and the first worm 22 is fixed and rotated by the first motor 21, a third worm sleeve 213 is meshedly connected to the outer side of the first worm 22, the third worm sleeve 213 is rotated by the first worm 22, a third connecting rod 214 is fixedly connected to the outer side of the third worm sleeve 213, the third connecting rod 214 is fixed by the third worm sleeve 213, a third transmission rod 215 is rotatably connected to the outer side of the third connecting rod 214, the third transmission rod 215 is rotatably connected to one side of the rotating disc 3, the third connecting rod 214 and the rotating disc 3 are connected by the third transmission rod 215, a second motor 23 is fixedly connected to the outer side of the fixing frame 2 at the same time, the second motor 23 is fixed by the fixing frame 2, a second worm 24 is fixedly connected to the output end of the second motor 23, the second worm 24 is fixed by the second motor 23, and the second worm 24 is rotated by the second motor 23, the second worm 24 is rotatably connected to the fixing frame 2, and the second worm 24 is limited by the fixing frame 2, a second worm sleeve 210 is rotatably connected to the outer side of the second worm 24, the second worm sleeve 210 is rotated by the second worm 24, a second connecting rod 211 is fixedly connected to the outer side of the second worm sleeve 210, the second connecting rod 211 is fixed by the second worm sleeve 210, a second transmission rod 212 is rotatably connected to the outer side of the second connecting rod 211, the second transmission rod 212 is rotatably connected to the rotating disc 3, the second connecting rod 211 and the third worm sleeve 213 are connected by the second transmission rod 212, a third motor 25 is fixedly connected to the outer side of the fixing frame 2 at the same time, the third motor 25 is fixed by the fixing frame 2, a third worm 26 is fixedly connected to the output end of the third motor 25, the third worm 26 is fixed by the third motor 25, and the third worm 26 is rotated by the third motor 25, the third worm 26 is rotatably connected to the fixing frame 2, and the third worm 26 is limited by the fixing frame 2, a first worm sleeve 27 is meshedly connected to the outer side of the third worm 26, the first worm sleeve 27 is rotated by the third worm 26, a first connecting rod 28 is fixedly connected to the outer side of the first worm sleeve 27, the first connecting rod 28 is fixed by the first worm sleeve 27, a first transmission rod 29 is rotatably connected to the outer side of the first connecting rod 28, the first transmission rod 29 is rotatably connected to one side of the rotating disc 3, the first worm sleeve 27 and the first transmission rod 29 are connected by the first connecting rod 28, a limiting frame 216 is fixedly connected to the inner side of the fixing frame 2, the limiting frame 216 is rotatably connected to the third worm sleeve 213, and the limiting frame 216 is fixed by the fixing frame 2.Meanwhile, the third worm sleeve 213 is limited by the limiting frame 216.

[0033] The quick release assembly comprises a limiting disc 4 fixedly connected with the mounting disc 32, the limiting disc 4 is fixed by the mounting disc 32, a sliding plate 41 is slidably connected to the outer side of the limiting disc 4, the sliding plate 41 is limited by the limiting disc 4 and slides on the outer side of the limiting disc 4, a limiting rod 42 is fixedly connected to the inner side wall of the sliding plate 41, the limiting rod 42 is fixed by the sliding plate 41, a sliding groove 43 is formed in the inner side wall of the limiting rod 42, the limiting rod 42 is clampedly connected with the clamping groove 61, the nozzle 6 is slidably connected with the sliding groove 43, the inner diameter of the sliding groove 43 is slightly larger than the outer diameter of the nozzle 6, so that the nozzle 6 can be pulled out through the sliding groove 43, and the limiting rod 42 is clamped with the clamping groove 61, so as to fix the nozzle 6, and the nozzle 6 is connected with the mounting disc 32, so as to connect the conveying pipe 1 and the nozzle 6 through the connecting hose 31 and the mounting disc 32.

[0034] The outer side of the sliding plate 41 is fixedly connected with a second supporting frame 5, the second supporting frame 5 is fixed by the sliding plate 41, a clamping rod 51 is slidably connected to the inner side of the second supporting frame 5, the clamping rod 51 is limited by the second supporting frame 5, a spring 52 is arranged on the outer side of the middle segment of the clamping rod 51, one end of the spring 52 is fixedly connected with the second supporting frame 5, and the other end of the spring 52 is fixedly connected with a clamping pin arranged on the middle segment of the clamping rod 51, the spring 52 pushes the clamping pin on the outer side of the clamping rod 51 to one side of the limiting disc 4 with the inner wall of the second supporting frame 5 as a stress point, so as to drive the clamping rod 51 to move synchronously through the clamping pin, the clamping rod 51 is clampedly connected with the limiting disc 4, the limiting disc 4 is clamped by the clamping rod 51, so as to limit the relative position between the limiting disc 4 and the sliding plate 41.

[0035] Specifically, the tubular workpiece inner wall sand blasting device in working: first put the equipment into the pipeline, then through the inner electric push rod 14 with fixed ring 13 as stress point drive sliding ring 15 to move, and through the sliding ring 15 drive transmission frame 12 and the connected one end synchronous movement, so that the transmission frame 12 and the first support frame 11 cooperate, thereby adjusting the height of the track wheel 16, so that the track wheel 16 can be fitted with the inner wall of the pipeline, then through the track wheel 16 drive equipment to move, then through the sand pipe 17 to the conveying pipe 1 into the sand blasting, then through the connecting hose 31, the installation disc 32 into the nozzle 6, and spray out, clean the inner wall of the pipeline, and in the process, the first motor 21, the second motor 23, the third motor 25 respectively use the first worm 22, the second worm 24, the third worm 26 drive the third worm sleeve 213, the second worm sleeve 210 and the first worm sleeve 27 to rotate, so that the third worm sleeve 213, the second worm sleeve 210, the first worm sleeve 27 respectively use the third connecting rod 214, the second connecting rod 211 and the first connecting rod 28 drive the third transmission rod 215, the second transmission rod 212 and the first transmission rod 29 to rotate, at the same time, the third transmission rod 215, the second transmission rod 212 and the first transmission rod 29 rotate at different angles to drive the rotating disc 3 to rotate at different angles, so as to drive the nozzle 6 to rotate synchronously, thereby adjusting the sand blasting angle, and when the nozzle 6 needs to be replaced, first pull the clamping rod 51 outward, pull out the clamping rod 51 from the limiting disc 4, then pull the sliding plate 41 to move, drive the limiting rod 42 to move synchronously through the sliding plate 41, so that the sliding groove 43 is aligned with the nozzle 6, so that the nozzle 6 can be pulled out through the sliding groove 43, then replace the nozzle 6, then insert the new nozzle 6 into the installation disc 32, and pull the sliding plate 41 in the opposite direction, drive the limiting rod 42 to move synchronously through the sliding plate 41, so that the limiting rod 42 slides into the clamping groove 61, thereby clamping and fixing the nozzle 6, then the spring 52 pushes the clamping rod 51 into the limiting disc 4 with the inner wall of the second support frame 5 as the stress point, thereby fixing the relative position of the limiting disc 4 and the sliding plate 41.

[0036] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for sandblasting the inner wall of a tubular workpiece comprising a conveying pipe (1), characterized in that, The middle section of the conveying pipe (1) is fixedly connected with a fixing ring (13), and the outer side of the fixing ring (13) is provided with a track expansion assembly; the outer side of the conveying pipe (1) is fixedly connected with a fixing frame (2), and the outer side of the fixing frame (2) is provided with a multi-angle adjusting assembly; the adjusting end of the multi-angle adjusting assembly is provided with a rotating disc (3), and the outer and inner sides of the rotating disc (3) are fixedly connected with a mounting disc (32); the outer side of the mounting disc (32) is provided with a quick release assembly, and the quick release end of the quick release assembly is provided with a spray head (6); the middle section of the conveying pipe (1) is fixedly connected with a sand inlet pipe (17).

2. A device for blasting the interior wall of a tubular workpiece according to claim 1, wherein The mounting disc (32) is fixedly connected with a connecting hose (31) away from the limiting disc (4), and the connecting hose (31) is fixedly connected with the conveying pipe (1).

3. A device for blasting the interior wall of a tubular workpiece according to claim 2, wherein The track expansion assembly comprises an in-track electric push rod (14), one end of the in-track electric push rod (14) is fixedly connected with the fixing ring (13), the output end of the in-track electric push rod (14) is fixedly connected with a sliding ring (15), the outer side of the sliding ring (15) is rotatably connected with a transmission frame (12), the other end of the transmission frame (12) is rotatably connected with a track wheel (16), the middle section of the transmission frame (12) is slidably connected with a first supporting frame (11), one end of the first supporting frame (11) is rotatably connected with the outer side of the conveying pipe (1), and the other end of the first supporting frame (11) is rotatably connected with the outer side of the track wheel (16).

4. A device for blasting the interior wall of a tubular workpiece according to claim 3, wherein The multi-angle adjusting assembly comprises a first motor (21), the first motor (21) is fixedly connected to the outer side of the bottom wall of the fixed frame (2), the output end of the first motor (21) is fixedly connected with a first worm (22), the first worm (22) is rotatably connected with the fixed frame (2), the outer side of the first worm (22) is meshingly connected with a third worm gear sleeve (213), the outer side of the third worm gear sleeve (213) is fixedly connected with a third connecting rod (214), the outer side of the third connecting rod (214) is rotatably connected with a third transmission rod (215), the third transmission rod (215) is rotatably connected with one side of the rotating disc (3), the outer side of the fixed frame (2) is fixedly connected with a second motor (23) at the same time, the output end of the second motor (23) is fixedly connected with a second worm (24), the second worm (24) is rotatably connected with the fixed frame (2), the outer side of the second worm (24) is rotatably connected with a second worm gear sleeve (210), the outer side of the second worm gear sleeve (210) is fixedly connected with a second connecting rod (211), the outer side of the second connecting rod (211) is rotatably connected with a second transmission rod (212), the second transmission rod (212) is rotatably connected with the rotating disc (3), the outer side of the fixed frame (2) is fixedly connected with a third motor (25) at the same time, the output end of the third motor (25) is fixedly connected with a third worm (26), the third worm (26) is rotatably connected with the fixed frame (2), the outer side of the third worm (26) is meshingly connected with a first worm gear sleeve (27), the outer side of the first worm gear sleeve (27) is fixedly connected with a first connecting rod (28), the outer side of the first connecting rod (28) is rotatably connected with a first transmission rod (29), the first transmission rod (29) is rotatably connected with one side of the rotating disc (3), the inner side of the fixed frame (2) is fixedly connected with a limiting frame (216), the limiting frame (216) is rotatably connected with the third worm gear sleeve (213).

5. A device for blasting the interior wall of a tubular workpiece according to claim 4, wherein The quick release assembly comprises a limiting disc (4), the limiting disc (4) is fixedly connected with the mounting disc (32), the outer side of the limiting disc (4) is slidably connected with a sliding plate (41), the inner side wall of the sliding plate (41) is fixedly connected with a limiting rod (42), the inner side wall of the limiting rod (42) is provided with a sliding groove (43), the limiting rod (42) is clampedly connected with the clamping groove (61), and the nozzle (6) is slidably connected with the sliding groove (43).

6. A device for blasting the interior wall of a tubular workpiece according to claim 5, wherein The outer side of the sliding plate (41) is fixedly connected with a second supporting frame (5), the inner side of the second supporting frame (5) is slidably connected with a clamping rod (51), the outer side of the middle segment of the clamping rod (51) is provided with a spring (52), one end of the spring (52) is fixedly connected with the second supporting frame (5), the other end of the spring (52) is fixedly connected with the clamping pin arranged on the middle segment of the clamping rod (51), and the clamping rod (51) is clampedly connected with the limiting disc (4).

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