Automatic pipeline joint polishing and cleaning device

Abstract

The invention relates to the technical field of petroleum and natural gas exploitation, in particular to an automatic polishing and cleaning pipeline joint device which comprises two pulley frames and a base, a polishing motor and a spraying pump are arranged above the pulley frames, a polishing piece is arranged at the output end of the polishing motor, and a spraying pipe is arranged at the water outlet end of the spraying pump; a water suction pipe is arranged at the water inlet end of the spraying pump, two supporting seats are arranged below the pulley frame, rotating shafts are rotationally arranged in the supporting seats, walking gears and rollers are arranged in the middles of the rotating shafts, a walking motor is arranged on the inner side of one supporting seat, an encoder is arranged between the walking motor and the rollers, and a drag chain is arranged at the rear end of the pulley frame. Guide rails are arranged on the two sides of the base, a plurality of racks are arranged on the guide rails, two supporting mechanisms are arranged in the middle of the base, two solution grooves are formed in the base, the two ends of the to-be-cleaned part are polished through the polishing part, solutions are continuously sprayed in the polishing process, and a connector can be rapidly cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of oil and natural gas exploitation, and in particular to an automatic polishing and cleaning device for pipeline joints. Background Art

[0002] Like crude oil, natural gas is buried in closed geological structures underground. Some are stored in the same layer as crude oil, and some exist separately. For natural gas stored in the same layer as crude oil, it will be mined together with crude oil. For natural gas that only has single-phase gas, we call it a gas reservoir. Its mining method is very similar to that of crude oil, but it also has its own special features. In the process of oil and natural gas mining, a large number of high-pressure straight pipes and elbows are required. After entering the warehouse, the pipes need to go through processes such as grinding, cleaning, and flaw detection before they can be taken out of the warehouse for continued use. Among them, the parts that need to be polished and cleaned are: joint threads and union disks.

[0003] At present, the grinding of joint threads is often performed manually by using a handheld electric grinder. After the grinding is completed, the surface is manually cleaned by applying solvent, which is inefficient and labor-intensive. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic grinding and cleaning device for pipeline joints, so as to solve the technical problems in the prior art that the grinding of joint threads is often carried out manually by using a handheld electric grinder, and after the grinding is completed, the surface is manually cleaned by applying solvent, which is inefficient and labor-intensive.

[0005] To achieve the above-mentioned purpose, the present invention provides an automatic grinding and cleaning pipeline joint device, comprising two pulley frames and a base, a grinding motor and a spray pump are arranged above the pulley frames, a grinding piece is arranged at the output end of the grinding motor, and the grinding piece extends out of the front end of the pulley frame, a spray pipe is arranged at the water outlet end of the spray pump, and the spray pipe extends to the top of the grinding piece, a water suction pipe is arranged at the water inlet end of the spray pump, and two support seats are arranged below the pulley frame, a rotating shaft is rotatably arranged in the support seat, a traveling gear and a roller are arranged in the middle of the rotating shaft, and a traveling motor is arranged on the inner side of one of the support seats, and the traveling motor and the roller are arranged An encoder is arranged in the middle, and the output end of the travel motor is connected to the rotating shaft through two bevel gears. A drag chain is arranged at the rear end of the pulley frame, guide rails are arranged on both sides of the base, and a plurality of racks are arranged on the guide rails. Two supporting mechanisms are arranged in the middle of the base, and two solution tanks are arranged inside the base symmetrically. The water suction pipe extends into the corresponding solution tank. The two pulley frames are respectively slidably connected to the base and are symmetrically arranged at both ends of the base, and the travel gear is meshed with the corresponding rack, the roller and the guide rail are in contact with each other, and the drag chain is arranged in the corresponding solution tank.

[0006] Among them, the grinding part includes multiple fixed rods, cross rods and discs, and a grinding brush head is arranged on the fixed rod. The multiple fixed rods are respectively fixedly connected to the cross rods and are symmetrically arranged on the cross rods in a cross shape. The cross rod is fixedly connected to the disc and is located at the front end surface of the disc. The disc is fixedly connected to the grinding motor and is located at the output end of the grinding motor.

[0007] Wherein, the grinding member further includes two support plates, the two support plates are respectively fixedly connected to the pulley frame and are located above the pulley frame, and the two support plates are also respectively sleeved on the output shaft of the grinding motor.

[0008] Among them, the automatic polishing and cleaning pipeline joint device also includes two protective covers, which are respectively fixedly connected to the corresponding pulley frames and are located at the front end of the pulley frames, and the polishing part is located inside the protective cover, and the spray pipe is fixedly connected to the protective cover and extends to the inner top of the protective cover.

[0009] In which, the supporting mechanism includes a threaded sleeve, a supporting wheel, a supporting frame and a supporting tube, a fixed block is arranged below the supporting frame, a lead screw is arranged below the fixed block, a mounting plate is arranged below the supporting tube, the threaded sleeve is rotatably connected to the supporting tube and is located above the supporting tube, the threaded sleeve is also threadedly connected to the lead screw and is sleeved on the outside of the lead screw, the supporting wheel is rotatably connected to the supporting frame and is located above the supporting frame, the lead screw is slidably connected to the supporting tube and is located in the supporting tube, and the supporting frame is located above the supporting tube, and the mounting plate is fixedly connected to the base and is located in the middle of the base.

[0010] Wherein, the support mechanism also includes two first reinforcement plates and multiple second reinforcement plates, the two first reinforcement plates are respectively arranged between the fixed block and the support frame, and the multiple second reinforcement plates are respectively arranged between the support tube and the mounting plate.

[0011] Wherein, the threaded sleeve includes a first rotating disk, a second rotating disk and a threaded sleeve body, a vertical tube is arranged below the second rotating disk, a limiting ring is arranged below the vertical tube, a limiting groove is provided above the support tube, the first rotating disk is fixedly connected to the threaded sleeve body and is located above the threaded sleeve body, the second rotating disk is fixedly connected to the threaded sleeve body and is located below the threaded sleeve body, the threaded sleeve body is threadedly connected to the lead screw and is sleeved on the outside of the lead screw, and the limiting ring is located in the limiting groove.

[0012] An automatic polishing and cleaning pipeline joint device of the present invention comprises two pulley frames and a base, a polishing motor and a spray pump are arranged above the pulley frames, a polishing piece is arranged at the output end of the polishing motor, a spray pipe is arranged at the water outlet end of the spray pump, and a water suction pipe is arranged at the water inlet end of the spray pump, two support seats are arranged below the pulley frame, a rotating shaft is rotatably arranged in the support seat, a traveling gear and a roller are arranged in the middle of the rotating shaft, a traveling motor is arranged on the inner side of one of the supporting seats, an encoder is arranged between the traveling motor and the roller, and a drag chain is arranged at the rear end of the pulley frame. Guide rails are provided on both sides of the base, and a plurality of racks are provided on the guide rails. Two supporting mechanisms are provided in the middle of the base. Two solution tanks are provided inside the base. The two pulley frames are moved in a direction approaching each other, so that the part to be cleaned is located between the polishing parts of the two pulley frames. Then, the cleaning solution in the solution tank is sprayed to the polishing position of the part to be cleaned through the spray pump. The solution can dissolve stains and rust. Then, the polishing motor is started to make the polishing parts perform covering polishing on both ends of the part to be cleaned. The solution is continuously sprayed during the polishing process to quickly clean the joints. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a three-dimensional stereogram of the first embodiment of the present invention.

[0015] Figure 2 It is a front view of the first embodiment of the present invention.

[0016] Figure 3 It is a three-dimensional perspective view of the pulley frame in the first embodiment of the present invention.

[0017] Figure 4 It is a schematic structural diagram of the traveling motor and the supporting base in the first embodiment of the present invention.

[0018] Figure 5 It is a front view of the pulley frame in the first embodiment of the present invention.

[0019] Figure 6 It is a three-dimensional stereogram of the second embodiment of the present invention.

[0020] Figure 7 It is a three-dimensional perspective view of the pulley frame in the second embodiment of the present invention.

[0021] Figure 8 It is a front view of the support mechanism in the second embodiment of the present invention.

[0022] Fig. 9 The present invention Figure 8 Section view along line AA.

[0023] Fig.10 The present invention Fig. 9 A partial enlarged view of point B in the middle.

[0024] Fig.11 It is a three-dimensional stereogram of the threaded sleeve in the second embodiment of the present invention.

[0025] Fig.12 It is a three-dimensional stereogram of the third embodiment of the present invention.

[0026] Fig.13 It is a front view of the protective cover and the clamping mechanism in the third embodiment of the present invention.

[0027] Fig.14 The present invention Fig.13 A partial enlarged view of point C in the middle.

[0028] 101-pulley frame, 102-base, 103-grinding motor, 104-spray pump, 105-spray pipe, 106-water suction pipe, 107-support seat, 108-rotating shaft, 109-travel gear, 110-roller, 111-travel motor, 112-encoder, 113-drag chain, 114-guide rail, 115-rack, 116-solution tank, 117-fixed rod, 118-cross rod, 119-disc, 120-grinding brush head, 121-support plate, 122-support mechanism, 2 01-protective cover, 202-threaded sleeve body, 203-support wheel, 204-support frame, 205-support cylinder, 206-fixed block, 207-screw, 208-mounting plate, 209-first reinforcement plate, 210-second reinforcement plate, 211-first rotating disk, 212-second rotating disk, 213-vertical pipe, 214-limiting ring, 215-limiting groove, 301-electric push rod, 302-circular ring, 303-clamping seat, 304-anti-slip pad, 305-anti-slip protrusion, 306-reinforcement block. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0030] First embodiment:

[0031] See also Figure 1 to Figure 5 ,in Figure 1 is a three-dimensional stereogram of the first embodiment of the present invention, Figure 2 is a front view of a first embodiment of the present invention, Figure 3 is a three-dimensional stereogram of a pulley frame in a first embodiment of the present invention, Figure 4 is a schematic diagram of the structure of the driving motor and the support base in the first embodiment of the present invention, Figure 5 It is a front view of the pulley frame in the first embodiment of the present invention.

[0032] The present invention provides an automatic polishing and cleaning pipeline joint device, comprising two pulley frames 101 and a base 102, wherein a polishing motor 103 and a spray pump 104 are arranged above the pulley frame 101, a polishing piece is arranged at the output end of the polishing motor 103, and the polishing piece extends out of the front end of the pulley frame 101, a spray pipe 105 is arranged at the water outlet end of the spray pump 104, and the spray pipe 105 extends to the top of the polishing piece, a water inlet end of the spray pump 104 is arranged with a water suction pipe 106, and a spray pump 106 is arranged below the pulley frame 101. Two support seats 107, a rotating shaft 108 is rotatably arranged in the support seat 107, a travel gear 109 and a roller 110 are arranged in the middle of the rotating shaft 108, and a travel motor 111 is arranged on the inner side of one of the support seats 107, an encoder 112 is arranged between the travel motor 111 and the roller 110, the output end of the travel motor 111 is connected to the rotating shaft 108 through two bevel gears, a drag chain 113 is arranged at the rear end of the pulley frame 101, and guide rails 114 are arranged on both sides of the base 102 The guide rail 114 is provided with a plurality of racks 115, the middle of the base 102 is provided with two supporting mechanisms 122, the base 102 has two solution tanks 116 inside, and the two solution tanks 116 are symmetrically arranged, the water suction pipe 106 extends into the corresponding solution tank 116, the two pulley frames 101 are respectively slidably connected to the base 102, and are symmetrically arranged at both ends of the base 102, and the travel gear 109 is meshed with the corresponding rack 115, and the roller 110 is meshed with the guide rail 114. The two pulley frames 101 are in contact with each other, and the drag chain 113 is arranged in the corresponding solution tank 116. By moving the two pulley frames 101 in a direction approaching each other, the workpiece to be cleaned is located between the polishing parts of the two pulley frames 101, and then the cleaning solution in the solution tank 116 is sprayed to the polishing position of the workpiece to be cleaned through the spray pump 104. The solution can dissolve stains and rust, and then the polishing motor 103 is started to make the polishing parts cover the two ends of the workpiece to be cleaned. The solution is continuously sprayed during the polishing process to quickly clean the joints.

[0033] Among them, the grinding part includes a plurality of fixed rods 117, a cross rod 118 and a disc 119, and a grinding brush head 120 is arranged on the fixed rod 117. The plurality of fixed rods 117 are respectively fixedly connected to the cross rod 118 and are symmetrically arranged on the cross rod 118 in a cross shape. The cross rod 118 is fixedly connected to the disc 119 and is located at the front end surface of the disc 119. The disc 119 is fixedly connected to the grinding motor 103 and is located at the output end of the grinding motor 103. The plurality of fixed rods 117 can be used to lift the end of the part to be cleaned, and covering grinding can be achieved during grinding.

[0034] Secondly, the grinding part also includes two support plates 121, the two support plates 121 are respectively fixedly connected to the pulley frame 101 and are located above the pulley frame 101, and the two support plates 121 are also respectively mounted on the output shaft of the grinding motor 103. The support plates 121 can facilitate the improvement of the stability of the output shaft of the grinding motor 103 during rotation.

[0035] In this embodiment, the cable of the entire equipment is installed in the drag chain 113, and the drag chain 113 can flexibly drag the pulley frame 101. The main function of the supporting mechanism 122 is to support the workpiece to be cleaned. The roller 110 mainly supports the pulley frame 101 and reduces resistance. The travel motor 111 provides power and drives the rotating shaft 108 under the action of the two bevel gears. The rotating shaft 108 drives the roller 110 and the travel gear 109 to rotate. The travel gear 109 is engaged with the multiple racks 115 on the guide rail 114, so that the pulley frame 101 moves along the guide rail 114; the encoder 112 is installed between the travel motor 111 and the roller 110, and the number of rotations of the roller 110 can be fed back to the electronic control system. The electronic control system program starts or stops the operation of the travel motor 111 according to the feedback, thereby realizing the start and stop of the pulley.

[0036] When using the automatic grinding and cleaning pipeline joint device of the present embodiment, first use a lifting tool to place the pipeline to be cleaned on the supporting mechanism 122, then start the equipment, the walking motor 111 is started, and through the feedback of the encoder 112, the pulley frame 101 automatically moves to the working position, and at the same time, the plurality of fixing rods 117 cover the positions of the workpiece to be cleaned that need to be polished, and then start the spray pump 104 to spray the solution onto the workpiece joint, and the solution can dissolve stains and rust; start the polishing motor 103 to drive the The grinding head rotates to start grinding the joint, and the solution is continuously sprayed during the grinding process to quickly clean the joint; after the grinding is completed, the grinding motor 103 and the spray pump 104 are turned off; the pulley frame 101 retreats to the initial position, and finally a hoisting tool is used to remove the polished workpiece from the workstation, and the next workpiece to be polished is hoisted to the workstation, thereby effectively solving the technical problems of manual grinding of joint threads often using a handheld electric grinder, and manually applying solvent to clean the surface after grinding, which is inefficient and labor-intensive.

[0037] Second embodiment:

[0038] Based on the first embodiment, please refer to Figure 5 to Figure 11 ,in Figure 5 is a front view of a pulley frame in a first embodiment of the present invention, Figure 6is a three-dimensional stereogram of a second embodiment of the present invention, Figure 7 is a three-dimensional stereogram of a pulley frame in a second embodiment of the present invention, Figure 8 is a front view of the support mechanism 122 in the second embodiment of the present invention, Fig. 9 The present invention Figure 8 The cross-sectional view along the AA line. Fig.10 The present invention Fig. 9 A partial enlarged view of point B in the middle. Fig.11 It is a three-dimensional stereogram of the threaded sleeve in the second embodiment of the present invention.

[0039] The present invention provides an automatic polishing and cleaning pipeline joint device, which also includes two protective covers 201. The two protective covers 201 are respectively fixedly connected to the corresponding pulley frames 101 and are located at the front ends of the pulley frames 101. The polishing parts are located inside the protective covers 201. The spray pipe 105 is fixedly connected to the protective covers 201 and extends to the inner top of the protective covers 201. The protective covers 201 can be used to conveniently shield the debris and solution generated during polishing, thereby avoiding the splashing of the debris and solution.

[0040] The support mechanism 122 includes a threaded sleeve, a support wheel 203, a support frame 204 and a support cylinder 205. A fixed block 206 is provided below the support frame 204, a lead screw 207 is provided below the fixed block 206, and a mounting plate 208 is provided below the support cylinder 205. The threaded sleeve is rotatably connected to the support cylinder 205 and is located above the support cylinder 205. The threaded sleeve is also threadedly connected to the lead screw 207 and is sleeved on the outside of the lead screw 207. The support wheel 203 is rotatably connected to the support frame 204 and is located above the support frame 204. The lead screw 207 It is slidably connected to the support tube 205 and is located inside the support tube 205, and the support frame 204 is located above the support tube 205. The mounting plate 208 is fixedly connected to the base 102 and is located in the middle of the base 102. First, a staff member is required to fix the support frame 204 part, and another staff member rotates the threaded sleeve. Under the action of the threaded sleeve, the lead screw 207 is threadedly connected to the threaded sleeve. At this time, the support frame 204 slowly moves upward to adjust its height, thereby aligning the center of the workpiece to be cleaned with the rotation center of the polishing part.

[0041] Secondly, the support mechanism 122 also includes two first reinforcement plates 209 and multiple second reinforcement plates 210. The two first reinforcement plates 209 are respectively arranged between the fixed block 206 and the support frame 204, and the multiple second reinforcement plates 210 are respectively arranged between the support tube 205 and the mounting plate 208. The first reinforcement plates 209 can facilitate the improvement of the stability between the fixed block 206 and the support frame 204, and the second reinforcement plates 210 can facilitate the improvement of the stability between the support tube 205 and the mounting plate 208.

[0042] At the same time, the threaded sleeve includes a first rotating disk 211, a second rotating disk 212 and a threaded sleeve body 202, a vertical tube 213 is arranged below the second rotating disk 212, a limiting ring 214 is arranged below the vertical tube 213, a limiting groove 215 is arranged above the support tube 205, the first rotating disk 211 is fixedly connected to the threaded sleeve body 202 and is located above the threaded sleeve body 202, the second rotating disk 212 is fixedly connected to the threaded sleeve body 202 and is located below the threaded sleeve body 202, the threaded sleeve body 202 is threadedly connected to the lead screw 207 and is sleeved on the outside of the lead screw 207, and the limiting ring 214 is located in the limiting groove 215, through the setting position of the first rotating disk 211 and the second rotating disk 212, it is convenient for workers of different heights to rotate the threaded sleeve body 202.

[0043] When using an automatic grinding and cleaning pipeline joint device of the present embodiment, the protective cover 201 can be used to shield the debris and solution generated during grinding, thereby avoiding the splashing of the debris and solution. First, a staff member is required to fix the support frame 204 part, and another staff member rotates the threaded sleeve. Under the action of the threaded sleeve, the lead screw 207 is threadedly connected to the threaded sleeve. At this time, the support frame 204 slowly moves upward to adjust its height, thereby aligning the center of the workpiece to be cleaned with the rotation center of the grinding piece. The first reinforcement plate 209 can facilitate improving the stability between the fixed block 206 and the support frame 204, and the second reinforcement plate 210 can facilitate improving the stability between the support tube 205 and the mounting plate 208. The setting positions of the first rotating disk 211 and the second rotating disk 212 can facilitate workers of different heights to rotate the threaded sleeve body 202.

[0044] Third embodiment:

[0045] The automatic polishing and cleaning pipeline joint device also includes two clamping mechanisms, which include multiple electric push rods 301 and a ring 302. A clamping seat 303 is provided at the output end of the electric push rod 301. The multiple electric push rods 301 are respectively fixedly connected to the ring 302 and are cross-symmetrically arranged on the inner side of the ring 302. The ring 302 is fixedly connected to the corresponding protective cover 201 and is located at the inner top of the protective cover 201 and is also located at the front end face of the protective cover 201.

[0046] The front end surface of the clamping seat 303 is provided with an anti-skid pad 304 , and a plurality of anti-skid protrusions 305 are provided above the anti-skid pad 304 .

[0047] The clamping mechanism also includes two reinforcement blocks 306, which are respectively fixedly connected to the circular ring 302 and symmetrically arranged below the circular ring 302. The two reinforcement blocks 306 are also respectively fixedly connected to the protective cover 201 by bolts and are located on both inner sides of the protective cover 201.

[0048] Based on the second embodiment, please refer to Figure 12 to Figure 14 ,in Fig.12 is a three-dimensional stereogram of a third embodiment of the present invention, Fig.13 is a front view of the protective cover and the clamping mechanism in the third embodiment of the present invention, Fig.14 The present invention Fig.13 A partial enlarged view of point C in the middle.

[0049] The present invention provides an automatic grinding and cleaning pipeline joint device, which also includes two clamping mechanisms, wherein the clamping mechanisms include multiple electric push rods 301 and a ring 302, and a clamping seat 303 is provided at the output end of the electric push rod 301, and the multiple electric push rods 301 are respectively fixedly connected to the ring 302 and are cross-symmetrically arranged on the inner side of the ring 302, and the ring 302 is fixedly connected to the corresponding protective cover 201, and is located at the inner top of the protective cover 201, and is also located at the front end surface of the protective cover 201. By starting the multiple electric push rods 301, the multiple electric push rods 301 push the clamping seat 303 to resist the outer side of the part to be cleaned, thereby preventing the part to be cleaned from rotating, thereby facilitating improving the grinding and cleaning effect.

[0050] The front end surface of the clamping seat 303 is provided with an anti-skid pad 304 , and a plurality of anti-skid protrusions 305 are provided above the anti-skid pad 304 . The anti-skid degree of the cleaning object can be improved by providing the anti-skid pad 304 and the anti-skid protrusions 305 .

[0051] Secondly, the clamping mechanism also includes two reinforcement blocks 306, which are respectively fixedly connected to the circular ring 302 and symmetrically arranged below the circular ring 302. The two reinforcement blocks 306 are also respectively fixedly connected to the protective cover 201 by bolts and are located on both inner sides of the protective cover 201. The reinforcement blocks 306 can be used to improve the stability of the circular ring 302, thereby preventing the circular ring 302 from shaking.

[0052] When using an automatic polishing and cleaning pipeline joint device of the present embodiment, by starting the multiple electric push rods 301, the multiple electric push rods 301 push the clamping seat 303 to hold the outer side of the part to be cleaned, thereby preventing the part to be cleaned from rotating, thereby facilitating improving the polishing and cleaning effect. The provision of the anti-slip pad 304 and the anti-slip protrusion 305 can facilitate improving the anti-slip degree of the part to be cleaned, and the reinforcement block 306 can facilitate improving the stability of the ring 302, thereby avoiding the shaking of the ring 302.

[0053] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An automatic polishing and cleaning device for pipeline joints, characterized in that: The invention comprises two pulley frames and a base, a grinding motor and a spray pump are arranged above the pulley frames, a grinding piece is arranged at the output end of the grinding motor, and the grinding piece extends out of the front end of the pulley frame, a spray pipe is arranged at the water outlet end of the spray pump, and the spray pipe extends to the top of the grinding piece, a water suction pipe is arranged at the water inlet end of the spray pump, and two support seats are arranged below the pulley frame, a rotating shaft is rotatably arranged in the support seat, a walking gear and a roller are arranged in the middle of the rotating shaft, a walking motor is arranged on the inner side of one of the support seats, an encoder is arranged between the walking motor and the roller, and the walking motor The output end of the machine is connected to the rotating shaft through two bevel gear transmissions, a drag chain is arranged at the rear end of the pulley frame, guide rails are arranged on both sides of the base, a plurality of racks are arranged on the guide rails, two supporting mechanisms are arranged in the middle of the base, two solution tanks are arranged inside the base, and the two solution tanks are symmetrically arranged, the water suction pipe extends into the corresponding solution tank, the two pulley frames are respectively slidably connected to the base, and are symmetrically arranged at both ends of the base, the traveling gear is meshed with the corresponding rack, the roller and the guide rail are in contact with each other, and the drag chain is arranged in the corresponding solution tank.

2. The automatic polishing and cleaning pipeline joint device according to claim 1, characterized in that: The grinding part includes a plurality of fixed rods, a cross rod and a disc, a grinding brush head is arranged on the fixed rod, the plurality of fixed rods are respectively fixedly connected to the cross rod and are arranged on the cross rod in a cross-symmetrical manner, the cross rod is fixedly connected to the disc and is located at the front end surface of the disc, and the disc is fixedly connected to the grinding motor and is located at the output end of the grinding motor.

3. The automatic polishing and cleaning pipeline joint device according to claim 2, characterized in that: The grinding member further comprises two support plates, which are respectively fixedly connected to the pulley frame and are located above the pulley frame, and the two support plates are also respectively sleeved on the output shaft of the grinding motor.

4. The automatic polishing and cleaning pipeline joint device according to claim 3, characterized in that: The automatic polishing and cleaning pipeline joint device also includes two protective covers, which are respectively fixedly connected to the corresponding pulley frames and located at the front end of the pulley frames, and the polishing part is located inside the protective covers, and the spray pipe is fixedly connected to the protective covers and extends to the inner top of the protective covers.

5. The automatic polishing and cleaning pipeline joint device according to claim 4, characterized in that: The support mechanism includes a threaded sleeve, a support wheel, a support frame and a support tube. A fixed block is arranged below the support frame, a lead screw is arranged below the fixed block, and a mounting plate is arranged below the support tube. The threaded sleeve is rotatably connected to the support tube and is located above the support tube. The threaded sleeve is also threadedly connected to the lead screw and is sleeved on the outside of the lead screw. The support wheel is rotatably connected to the support frame and is located above the support frame. The lead screw is slidably connected to the support tube and is located in the support tube, and the support frame is located above the support tube. The mounting plate is fixedly connected to the base and is located in the middle of the base.

6. The automatic polishing and cleaning pipeline joint device according to claim 5, characterized in that: The support mechanism also includes two first reinforcement plates and a plurality of second reinforcement plates, the two first reinforcement plates are respectively arranged between the fixing block and the support frame, and the plurality of second reinforcement plates are respectively arranged between the support tube and the mounting plate.

7. The automatic polishing and cleaning pipeline joint device according to claim 6, characterized in that: The threaded sleeve includes a first rotating disk, a second rotating disk and a threaded sleeve body, a vertical tube is arranged below the second rotating disk, a limiting ring is arranged below the vertical tube, a limiting groove is arranged above the support tube, the first rotating disk is fixedly connected to the threaded sleeve body and is located above the threaded sleeve body, the second rotating disk is fixedly connected to the threaded sleeve body and is located below the threaded sleeve body, the threaded sleeve body is threadedly connected to the lead screw and is sleeved on the outside of the lead screw, and the limiting ring is located in the limiting groove.

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