Polishing device for exhaust pipe machining

By introducing fixed components and cooling components into the polishing device, the problem of insufficient cooling of the existing devices is solved, efficient polishing and rapid cooling of the exhaust pipe is achieved, and processing efficiency and safety are improved.

CN223289549UActive Publication Date: 2025-09-02FOSHAN GUANGYU STAINLESS STEEL CO LTD
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Patent Information

Application Number
CN202422853355.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-09-02
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The existing polishing devices lack effective cooling structures, which leads to natural cooling of the exhaust pipe after polishing, which reduces processing efficiency and poses safety risks.

Method used

A polishing device including a fixing assembly, an installation assembly and a cooling assembly is designed to polish the exhaust pipe by driving a rotating rod and a polishing plate by a motor, and the cooling assembly is sprayed with cold water to cool the polished exhaust pipe to achieve rapid cooling.

Benefits of technology

It improves the processing efficiency of the exhaust pipe, reduces safety risks, and facilitates the replacement and installation of polishing plates, improving the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polishing devices, in particular to a polishing device for exhaust pipe machining. Comprising a machining table, and further comprises a supporting plate fixedly connected to the upper surface of the machining table; and the moving plate is located above the machining table, the opposite sides of the upper plate and the supporting plate are rotationally connected with rotating rods correspondingly, the exterior of the supporting plate is fixedly connected with a first motor, and an output shaft of the first motor is fixedly connected with one end of one rotating rod through a coupler. According to the exhaust pipe polishing device, the exhaust pipe can be effectively fixed through the arranged fixing assembly, a worker can conveniently replace the specification of the polishing plate according to actual requirements through the arranged mounting assembly, the polished exhaust pipe can be effectively cooled through the arranged cooling assembly, and the polishing efficiency is improved. And therefore, the polishing efficiency and effect of the exhaust pipe can be effectively improved, and the overall practicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of polishing devices, in particular to a polishing device for processing exhaust pipes. Background Art

[0002] Exhaust pipe polishing is a method of surface treatment for automobile exhaust pipes. Usually, automobile exhaust pipes are made of stainless steel or chromium materials. After a period of use, they will lose their luster due to oxidation, carbon deposition and dust, and even rust. In order to restore the luster and beauty of the exhaust pipes, people use polishing to treat them. When polishing the exhaust pipes, a polishing device for exhaust pipe processing is required.

[0003] Most of the polishing devices in the prior art do not have an effective cooling structure. After the exhaust pipe is polished, the exhaust pipe will generate a high temperature. At this time, if the exhaust pipe is not cooled, the exhaust pipe needs to be cooled naturally, which reduces the processing efficiency of the exhaust pipe. In addition, when the staff accidentally touches the processed exhaust pipe, it may cause burns to the staff's hands, etc., which poses certain safety hazards.

[0004] Compared with the Chinese patent publication number CN220330987U, the utility model relates to the technical field of polishing devices and discloses a polishing device for exhaust pipe processing, including a base plate, one end of the base plate is fixedly connected to a vertical plate, both inner ends of the vertical plate are provided with slide rails, the inner side of the slide rail is slidably connected to a slider, and one end of the slider is fixedly connected to a fixed column. In the utility model, through the cooperation of multiple structures such as motor 1, vertical plate, slide rail, slider, fixed column, polishing column, threaded block, bidirectional threaded rod, limiting column, motor 2, electric push rod, support block, rotating rod, etc., the equipment can adjust the distance of the polishing structure according to the size of the exhaust pipe, so that the device can polish exhaust pipes of different sizes, thereby improving applicability. Through the cooperation of multiple structures such as limiting rod, spring, clamping block, fixed block, clamping slot, etc., the equipment can quickly disassemble and install the polishing structure, facilitate the replacement of the polishing structure, and improve work efficiency.

[0005] The above solution can effectively disassemble and assemble the polishing structure, but the above solution still does not have an effective cooling structure. After the exhaust pipe is processed, the exhaust pipe still needs to be naturally cooled, which fails to solve the problems raised in the above background technology.

[0006] Therefore, those skilled in the art provide a polishing device for exhaust pipe processing to solve the problems raised in the above background technology. Utility Model Content

[0007] The purpose of the utility model is to provide a polishing device for exhaust pipe processing, comprising a processing table and further comprising:

[0008] A support plate fixedly connected to the upper surface of the processing table;

[0009] A movable plate is located above the processing table, the upper surface of the movable plate is fixedly connected to an upper plate, the upper plate and the opposite side of the support plate are rotatably connected to a rotating rod, the outside of the support plate is fixedly connected to a first motor, and the output shaft of the first motor is fixedly connected to one end of one of the rotating rods through a coupling;

[0010] A fixing assembly is provided at the other end of the rotating rod and is used to fix the exhaust pipe;

[0011] a collecting frame fixedly connected to the upper surface of the processing table;

[0012] A support frame is fixedly connected to the upper surface of the processing table, and electric telescopic rods are symmetrically provided at the bottom of the support frame. The telescopic ends of the two electric telescopic rods are fixedly connected to a mounting frame, and a mounting plate is provided inside the mounting frame. The bottom of the mounting plate is fixedly connected to a polishing plate;

[0013] The mounting assembly is symmetrically arranged outside the mounting frame and is used to fix the mounting frame and the mounting plate;

[0014] The cooling component is arranged on the upper surface of the support frame and is used to cool the exhaust pipe during the polishing process.

[0015] As a further improvement of the present technical solution, the fixing assembly includes a connecting plate fixedly connected to the other end of the rotating rod, the inner wall of the connecting plate is rotatably connected to a bidirectional threaded rod, the other end of the bidirectional threaded rod is fixedly connected to a knob, and the outside of the bidirectional threaded rod is symmetrically provided with threaded plates, and guide grooves for the movement of the threaded plates are provided on opposite sides of the two connecting plates, and the outsides of multiple threaded plates are fixedly connected to arc-shaped resistance plates.

[0016] As a further improvement of the present technical solution, an adjustment plate is symmetrically provided at the bottom of the processing table, and the inner side wall of the adjustment plate is rotatably connected to a screw rod, the other end of the screw rod extends to the outside of the adjustment plate and is fixedly connected to a limit plate, and the outside of one of the adjustment plates is fixedly connected to a second motor, and the output shaft of the second motor is fixedly connected to one end of one of the screw rods through a coupling, and the two screw rods are connected by a synchronous belt and pulley transmission, and the external thread of the screw rod is connected to a thread block, and the contact surface between the adjustment plate and the processing table is provided with a guide groove for the movement of the thread block, and the upper surfaces of the two thread blocks are fixedly connected to the bottom of the movable plate.

[0017] As a further improvement of the present technical solution, the mounting assembly includes a fixed plate symmetrically arranged on the outside of the mounting frame, a sliding rod is fixedly connected to the inside of the fixed plate, a sliding plate is provided inside the fixed plate, a guide groove for the movement of the sliding rod is provided inside the sliding plate, a reset spring is provided on the outside of the sliding rod, the reset spring is in contact with the sliding plate and the fixed plate, side plates are symmetrically provided on the outside of the sliding plate, a pull plate is fixedly connected to the outside of each two side plates, and a fixing rod is symmetrically provided on the opposite side of the two sliding plates, and the contact surface between the fixed plate and the mounting frame is provided with a guide groove for the movement of the fixing rod, and guide grooves for the movement of the fixing rod are provided on both sides of the outer wall of the mounting plate.

[0018] As a further improvement of the present technical solution, the cooling assembly includes a water storage cylinder, a first water suction pump and a second water suction pump respectively arranged on the upper surface of the support frame, the water inlet end of the first water suction pump is connected to the bottom of the water storage cylinder through a pipe, the water outlet end of the first water suction pump is connected to a drainage head through a metal bellows, the water inlet end of the second water suction pump is connected to the bottom of the collecting frame through a pipe, and the water outlet end of the second water suction pump is connected to the interior of the water storage cylinder through a pipe.

[0019] As a further improvement of the present technical solution, a filter screen is provided inside the collection frame, and lifting plates are fixedly connected to both sides of the outer wall of the filter screen.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] In this polishing device for exhaust pipe processing, a fixing component, a mounting component and a cooling component are provided. When the exhaust pipe needs to be processed, it is only necessary to first fix the inside of the exhaust pipe through the fixing component. When the exhaust pipe is fixed, the electric telescopic rod starts to operate. At this time, the electric telescopic rod will drive the polishing plate to move downward synchronously. When the bottom of the polishing plate collides with the outside of the exhaust pipe, the first motor starts to operate. At this time, the first motor will drive the rotating rod to rotate synchronously, and the rotating rod will drive the fixing component and the exhaust pipe to rotate synchronously. During the rotation of the exhaust pipe, the polishing plate can effectively polish the exhaust pipe. After the exhaust pipe is polished, high temperature will be generated. At this time, the cooling component starts to operate. The cooling component can effectively cool the exhaust pipe, thereby effectively improving the processing efficiency of the exhaust pipe. When the specifications of the polishing plate need to be replaced according to the specifications of the exhaust pipe, it is only necessary to use the mounting component to conveniently disassemble the mounting plate and the mounting frame, so that it is convenient for the staff to disassemble and replace the polishing plate, effectively improving the overall practicality of the device, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the cutaway three-dimensional structure of the connecting plate and the fixing plate in the present invention;

[0024] Figure 3 This is a bottom-up three-dimensional structural diagram of the present invention;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model after the filter screen is disassembled;

[0026] Figure 5 for Figure 2 Schematic diagram of the enlarged structure of area A in the middle;

[0027] Figure 6 for Figure 2 Schematic diagram of the enlarged structure of area B in the middle.

[0028] The meaning of each number in the figure is:

[0029] 1. Processing table; 2. Support plate; 3. First motor; 4. Rotating rod; 5. Moving plate; 6. Upper plate; 7. Connecting plate; 8. Collecting frame; 9. Adjusting plate; 10. Support frame; 11. Electric telescopic rod; 12. Mounting frame; 13. Fixed plate; 14. Mounting plate; 15. Polishing plate; 16. Second motor; 17. Screw; 18. Threaded block; 19. Limiting plate; 20. Synchronous belt; 21. Filter; 22. Lifting plate; 23. Water storage cylinder; 24. First water suction pump; 25. Second water suction pump; 26. Metal bellows; 27. Drain head; 28. Knob; 29. ​​Bidirectional threaded rod; 30. Threaded plate; 31. Arc-shaped contact plate; 32. Sliding rod; 33. Slide plate; 34. Return spring; 35. Side plate; 36. Fixed rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1 - Figure 6 As shown, this embodiment provides a polishing device for exhaust pipe processing, including a processing table 1, and further comprising:

[0032] A support plate 2 is fixedly connected to the upper surface of the processing table 1;

[0033] The movable plate 5 is located above the processing table 1. The upper surface of the movable plate 5 is fixedly connected to the upper plate 6. The upper plate 6 and the opposite side of the support plate 2 are both rotatably connected to the rotating rod 4. The outside of the support plate 2 is fixedly connected to the first motor 3. The output shaft of the first motor 3 is fixedly connected to one end of one of the rotating rods 4 through a coupling.

[0034] A fixing assembly is provided at the other end of the rotating rod 4 and is used to fix the exhaust pipe;

[0035] The collecting frame 8 is fixedly connected to the upper surface of the processing table 1;

[0036] A support frame 10 is fixedly connected to the upper surface of the processing table 1. The bottom of the support frame 10 is symmetrically provided with electric telescopic rods 11. The telescopic ends of the two electric telescopic rods 11 are fixedly connected to a mounting frame 12. A mounting plate 14 is provided inside the mounting frame 12. A polishing plate 15 is fixedly connected to the bottom of the mounting plate 14.

[0037] The mounting assembly is symmetrically arranged outside the mounting frame 12 and is used to fix the mounting frame 12 and the mounting plate 14;

[0038] The cooling assembly is arranged on the upper surface of the support frame 10 and is used to cool the exhaust pipe during the polishing process.

[0039] The above working principle: when the exhaust pipe needs to be processed, it is only necessary to first fix the inside of the exhaust pipe through the fixing assembly. When the exhaust pipe is fixed, the electric telescopic rod 11 starts to operate. At this time, the electric telescopic rod 11 will drive the polishing plate 15 to move downward synchronously. When the bottom of the polishing plate 15 conflicts with the outside of the exhaust pipe, the first motor 3 starts to operate. At this time, the first motor 3 will drive the rotating rod 4 to rotate synchronously, and the rotating rod 4 will drive the fixing assembly and the exhaust pipe to rotate synchronously. During the rotation of the exhaust pipe, the polishing plate 15 can effectively polish the exhaust pipe. After the exhaust pipe is polished, high temperature will be generated. At this time, the cooling assembly starts to operate and the cooling assembly can effectively cool the exhaust pipe, thereby effectively improving the processing efficiency of the exhaust pipe. When the specifications of the polishing plate 15 need to be replaced according to the specifications of the exhaust pipe, the mounting plate 14 and the mounting frame 12 can be easily disassembled through the mounting assembly, so that it is convenient for the staff to disassemble and replace the polishing plate 15, effectively improving the overall practicality of the device and saving time and effort.

[0040] The outer ends of the two-way threaded rods 29 are symmetrically provided with threaded plates 30, and the opposite sides of the two connecting plates 7 are provided with guide grooves for the movement of the threaded plates 30. The outer sides of the multiple threaded plates 30 are fixedly connected with arc-shaped contact plates 31. When the exhaust pipe needs to be fixed, it is only necessary to first put the exhaust pipe on the outer side of the arc-shaped contact plate 31, and then rotate the knob 28. At this time, the knob 28 will drive the two-way threaded rods 29 to rotate synchronously, and the threaded plates 30 will move synchronously on the outer side of the two-way threaded rods 29, driving the arc-shaped contact plates 31 to move synchronously. When the arc-shaped contact plates 31 contact the inner wall of the exhaust pipe, the exhaust pipe can be effectively fixed by the arc-shaped contact plates 31, thereby facilitating the processing of the exhaust pipe.

[0041] Taking into account the need to adjust and move the horizontal position of the upper plate 6 when fixing exhaust pipes of different lengths, an adjusting plate 9 is symmetrically provided at the bottom of the processing table 1. The inner side wall of the adjusting plate 9 is rotatably connected to a screw rod 17. The other end of the screw rod 17 extends to the outside of the adjusting plate 9 and is fixedly connected to a limit disk 19. The outside of one of the adjusting plates 9 is fixedly connected to a second motor 16. The output shaft of the second motor 16 is fixedly connected to one end of one of the screw rods 17 through a coupling. The two screw rods 17 are connected by a synchronous belt 20 with a pulley transmission. The external thread of the screw rod 17 is connected to a threaded block 18. The contact surfaces of the adjusting plate 9 and the processing table 1 are provided with guide grooves for the movement of the threaded block 18. The upper surfaces of the two threaded blocks 18 are fixed to the bottom of the movable plate 5. Fixed connection, when the horizontal position of the upper plate 6 needs to be adjusted and moved, the second motor 16 starts to run, and the second motor 16 will drive one of the screw rods 17 to rotate synchronously. Since the two screw rods 17 are connected by a synchronous belt 20 and a pulley for transmission, the two screw rods 17 will rotate synchronously at this time, and the threaded block 18 will move synchronously on the outside of the screw rod 17, driving the movable plate 5 to move synchronously, and the movable plate 5 will drive the upper plate 6 and one of the fixed components to move synchronously. At this time, the horizontal position of the upper plate 6 and one of the fixed components can be moved, so that the two fixed components can effectively fix the exhaust pipes of different lengths and specifications, and at the same time, it can be convenient for the staff to install and disassemble the exhaust pipes.

[0042] In order to effectively fix and install the polishing plate 15, the installation assembly includes a fixing plate 13 symmetrically arranged on the outside of the installation frame 12, the interior of the fixing plate 13 is fixedly connected to the sliding rod 32, the interior of the fixing plate 13 is provided with a slide plate 33, the interior of the slide plate 33 is provided with a guide groove for the sliding rod 32 to move, the exterior of the sliding rod 32 is sleeved with a return spring 34, the return spring 34 abuts between the slide plate 33 and the fixing plate 13, the exterior of the slide plate 33 is symmetrically provided with side plates 35, the exterior of each two side plates 35 are fixedly connected with a pulling plate, the opposite sides of the two slide plates 33 are symmetrically provided with fixing rods 36, the contact surfaces of the fixing plate 13 and the installation frame 12 are provided with guide grooves for the movement of the fixing rod 36, and the outer walls of the installation plate 14 are provided with guide grooves for the movement of the fixing rod 36. When the polishing plate 15 needs to be fixed and installed, it is only necessary to pull When the fixing rod 36 is inserted into the guide grooves on both sides of the outer wall of the mounting plate 14, the mounting plate 14 can be fixed to the mounting frame 12. At this time, the polishing plate 15 can be fixed and installed. At the same time, it can be convenient for the staff to replace the specifications of the polishing plate 15 according to the different specifications of the exhaust pipe, effectively improving the overall practicality of the device.

[0043] In order to effectively cool down the exhaust pipe after polishing, the cooling assembly includes a water storage cylinder 23, a first water suction pump 24 and a second water suction pump 25 respectively arranged on the upper surface of the support frame 10. The water inlet end of the first water suction pump 24 is connected to the bottom of the water storage cylinder 23 through a pipe, and the water outlet end of the first water suction pump 24 is connected to a drainage head 27 through a metal bellows 26. The water inlet end of the second water suction pump 25 is connected to the bottom of the collection frame 8 through a pipe, and the water outlet end of the second water suction pump 25 is connected to the inside of the water storage cylinder 23 through a pipe. After the exhaust pipe is polished, a large amount of high temperature will be generated. At this time, the first water suction pump 24 starts to run, and the first water suction pump 24 will pump the water inside the water storage cylinder 23 The cold water is transmitted to the inside of the drainage head 27 through the metal bellows 26, and then sprayed out through the drainage head 27. At this time, the exhaust pipe can be cooled down, and the sprayed water will fall into the inside of the collection frame 8. At this time, the second water suction pump 25 starts to run, and the second water suction pump 25 will transmit the water inside the collection frame 8 to the inside of the water storage cylinder 23 through the pipeline. This cycle is repeated. On the one hand, the exhaust pipe can be effectively cooled down, and on the other hand, water resources can be effectively recycled, thereby effectively saving resources. The setting of the metal bellows 26 can facilitate the staff to adjust the angle position of the drainage head 27 according to actual needs.

[0044] In addition, in order to effectively intercept and filter impurities in the water, a filter screen 21 is provided inside the collection frame 8, and lifting plates 22 are fixedly connected on both sides of the outer wall of the filter screen 21. After the exhaust pipe is polished, more debris will adhere to the outside of the exhaust pipe. At this time, the debris is flushed with water. When the water falls into the inside of the collection frame 8, the filter screen 21 can effectively intercept and filter the debris and other impurities in the water, thereby avoiding the damage of the second water suction pump 25 caused by debris and other impurities, and at the same time, it can improve the efficiency and cleanliness of the water circulation. When the filter screen 21 needs to be disassembled and cleaned, just pull the lifting plate 22, and the filter screen 21 can be disassembled at this time, so that the staff can clean the filter screen 21 conveniently.

[0045] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A polishing device for exhaust pipe processing, comprising a processing table (1), characterized in that: Also includes: A support plate (2) fixedly connected to the upper surface of the processing table (1); A movable plate (5) is located above the processing table (1), the upper surface of the movable plate (5) is fixedly connected to an upper plate (6), the upper plate (6) and the opposite side of the support plate (2) are both rotatably connected to a rotating rod (4), the outside of the support plate (2) is fixedly connected to a first motor (3), and the output shaft of the first motor (3) is fixedly connected to one end of one of the rotating rods (4) through a coupling; A fixing assembly is provided at the other end of the rotating rod (4) and is used to fix the exhaust pipe; A collecting frame (8) is fixedly connected to the upper surface of the processing table (1); A support frame (10) is fixedly connected to the upper surface of the processing table (1), and an electric telescopic rod (11) is symmetrically provided at the bottom of the support frame (10), and the telescopic ends of the two electric telescopic rods (11) are fixedly connected to a mounting frame (12), and a mounting plate (14) is provided inside the mounting frame (12), and a polishing plate (15) is fixedly connected to the bottom of the mounting plate (14); A mounting assembly, symmetrically arranged outside the mounting frame (12) and used to fix the mounting frame (12) and the mounting plate (14); A cooling component is arranged on the upper surface of the support frame (10) and is used to cool the exhaust pipe during the polishing process.

2. The exhaust pipe polishing device according to claim 1, characterized in that: The fixing assembly comprises a connecting plate (7) fixedly connected to the other end of the rotating rod (4); the inner wall of the connecting plate (7) is rotatably connected to a bidirectional threaded rod (29); the other end of the bidirectional threaded rod (29) is fixedly connected to a knob (28); the outside of the bidirectional threaded rod (29) is symmetrically provided with threaded plates (30); the opposite sides of the two connecting plates (7) are provided with guide grooves for the threaded plates (30) to move; the outsides of the plurality of threaded plates (30) are fixedly connected to arc-shaped contact plates (31).

3. The polishing device for exhaust pipe processing according to claim 1, characterized in that: An adjustment plate (9) is symmetrically provided at the bottom of the processing table (1), and the inner side wall of the adjustment plate (9) is rotatably connected to a screw rod (17), and the other end of the screw rod (17) extends to the outside of the adjustment plate (9) and is fixedly connected to the limit plate (19), and the outside of one of the adjustment plates (9) is fixedly connected to a second motor (16), and the output shaft of the second motor (16) is fixedly connected to one end of one of the screw rods (17) through a coupling, and the two screw rods (17) are connected by a synchronous belt (20) and a pulley transmission, and the external thread of the screw rod (17) is connected to a threaded block (18), and the contact surface between the adjustment plate (9) and the processing table (1) is provided with a guide groove for the movement of the threaded block (18), and the upper surfaces of the two threaded blocks (18) are fixedly connected to the bottom of the movable plate (5).

4. The exhaust pipe polishing device according to claim 1, characterized in that: The mounting assembly includes a fixed plate (13) symmetrically arranged on the outside of the mounting frame (12), a sliding rod (32) is fixedly connected to the inside of the fixed plate (13), a slide plate (33) is provided on the inside of the fixed plate (13), a guide groove for the movement of the sliding rod (32) is provided on the inside of the slide plate (33), a reset spring (34) is sleeved on the outside of the slide plate (32), the reset spring (34) is in contact between the slide plate (33) and the fixed plate (13), side plates (35) are symmetrically provided on the outside of the slide plate (33), and the outsides of each two side plates (35) are fixedly connected to a pull plate, and the opposite sides of the two slide plates (33) are symmetrically provided with fixed rods (36), the contact surfaces of the fixed plate (13) and the mounting frame (12) are provided with guide grooves for the movement of the fixing rod (36), and the outer wall of the mounting plate (14) is provided with guide grooves for the movement of the fixing rod (36).

5. The exhaust pipe polishing device according to claim 1, characterized in that: The cooling assembly includes a water storage cylinder (23), a first water suction pump (24), and a second water suction pump (25), which are respectively arranged on the upper surface of the support frame (10); the water inlet end of the first water suction pump (24) is connected to the bottom of the water storage cylinder (23) through a pipeline; the water outlet end of the first water suction pump (24) is connected to a drainage head (27) through a metal bellows (26); the water inlet end of the second water suction pump (25) is connected to the bottom of the collection frame (8) through a pipeline; and the water outlet end of the second water suction pump (25) is connected to the interior of the water storage cylinder (23) through a pipeline.

6. The exhaust pipe polishing device according to claim 1, characterized in that: A filter screen (21) is provided inside the collection frame (8), and lifting plates (22) are fixedly connected to both sides of the outer wall of the filter screen (21).

Citation Information

Patent Citations

  • Polishing device for exhaust pipe machining

    CN220330987U