Scrap scraping and cleaning device for aluminum flat pipe

Abstract

The invention discloses a scrap scraping and cleaning device for an aluminum flat pipe, and belongs to the technical field of aluminum flat pipes. Comprising a shell, a scraper, a supporting structure, a cooling liquid spray head, a feeding channel, a discharging channel, a cooling liquid groove, two soft bodies, a sealing chamber, an outer high-pressure spray head, an inner high-pressure spray head and two sets of side high-pressure spray heads, the side high-pressure nozzles, the outer high-pressure nozzles and the inner high-pressure nozzles are all connected with a compressed air supply structure; the feeding channel and the discharging channel are arranged on the front side and the rear side in the shell correspondingly. The cooling liquid groove is formed in the outer front side of the shell, an opening is formed in the upper side of the front end of the cooling liquid groove, cooling liquid is contained in the cooling liquid groove, and the front end of the cooling liquid groove extends to the adjacent rear portion of the extrusion welding device, is connected with the cooling liquid circulating structure and communicates with the feeding channel; the aluminum flat pipe is immersed in the cooling liquid in the cooling liquid tank; the two soft bodies are arranged side by side left and right, cling to each other and are respectively positioned on the left and right sides of the aluminum flat tube; a chip removal opening is formed in the lower side of the sealing chamber.

Description

Technical Field

[0001] The invention belongs to the technical field of aluminum flat tube processing, and in particular relates to a scraping and cleaning device for aluminum flat tubes. Background Art

[0002] The heat dissipation pipe of the automobile engine radiator is usually made of heat dissipation aluminum tube, which is a flat tube obtained by rolling aluminum through a rolling die and then high-frequency welding. The wall thickness of the flat tube is required to be between 0.25mm and 0.5mm. In the prior art, the flat tube can be obtained by bending an aluminum strip into a U shape, and then high-frequency heating and extrusion welding.

[0003] For example, the patent with application number CN201710135680.1 discloses a high-frequency welding pipe making machine, which includes an uncoiling unit, a docking unit, a storage unit, a traction unit, a regional dotting unit, a forming unit, a welding unit, a scraping unit, a shaping unit, a cutting unit and a sorting unit arranged in sequence; the uncoiling unit includes a protective frame, an aluminum strip roll fixing mechanism, a driving mechanism and a speed control mechanism, the driving mechanism is connected to the aluminum strip roll fixing mechanism, the aluminum strip roll fixing mechanism is arranged in the protective frame, the aluminum strip roll fixing mechanism and the driving mechanism are provided with at least one set, and when there are multiple sets, the axes of the two aluminum strip roll fixing mechanisms are parallel; the speed control mechanism includes a guide plate, a guide wheel I, a guide wheel II and a guide wheel III, the guide plate is arranged on the upper part of the protective frame at the discharge end, the guide wheel I and the guide wheel II are arranged at the discharge end of the guide plate, and the guide wheel III slides up and down under the guide wheel I and the guide wheel II. For example, the patent with application number CN202321947516.8 discloses an aluminum heat pipe production line, which includes: an aluminum strip coil, including a strip aluminum plate and a reel; a machine platform for installing the components required for the aluminum heat pipe production line, wherein the side and the top have wires connecting the components; an unwinding assembly, installed on one side of the top of the machine platform, for fixing the aluminum strip coil and rotating the aluminum strip coil on the top of the unwinding assembly; a rough forming assembly, installed in the middle of the top of the machine platform, for circling the strip aluminum plate of the aluminum strip coil and moving one end of the strip aluminum plate of the aluminum strip coil to a predetermined position; a conveying assembly, installed on the top of the machine platform and on one side of the unwinding assembly, for conveying one end of the strip aluminum plate of the aluminum strip coil to a predetermined position at one end of the rough forming assembly, and the conveying assembly has a traction assembly, The strip aluminum plate of the aluminum strip coil is transferred to the inner side of the rough forming component for processing through the traction component; the welding component is installed at the top of the machine and located at the other end of the rough forming component, and is used to weld the strip aluminum plate of the aluminum strip coil transferred by the rough forming component into a blank aluminum heat sink; the surface treatment component is installed at the top of the machine and located on one side of the welding component, and is used to clean the weld and surface dust of the blank aluminum heat sink; the fine forming component is installed at the top of the machine and located on one side of the surface treatment component, and is used to finely shape the treated aluminum heat sink; the speed detection component is installed at the top of the machine and located on one side of the fine forming component, and is used to detect the moving speed of the aluminum heat sink; the cutting component is installed at the top of the machine and located on one side of the speed detection component, and is used to cut the shaped aluminum heat sink according to the preset length.

[0004] From the above patents, we can see that the production of aluminum flat tubes uses extrusion welding devices and scraping devices, etc. The scraping device includes a shell arranged in the front-to-back direction, a scraper in the shell and located at the top of the aluminum flat tube, a support structure in the shell and located directly below the scraper, and a coolant nozzle in the shell and located next to the scraper, etc. The support structure is arranged in the front-to-back direction and is located at the lower part of the aluminum flat tube, and the coolant nozzle faces the scraped part at the top of the aluminum flat tube and is connected to the coolant circulation structure through a pipeline.

[0005] For example, the patent with application number CN201720224485.1 discloses a scraper device, including a base, a frame, a scraper mechanism and a workpiece support wheel assembly, the frame is arranged on the base, the scraper mechanism and the workpiece support wheel assembly are arranged in two groups, which are respectively arranged on both sides of the frame, the scraper mechanism includes a scraper up and down adjustment mechanism and a scraper angle adjustment mechanism, the scraper up and down adjustment mechanism slides up and down on the frame, the scraper angle adjustment mechanism is arranged on the scraper up and down adjustment mechanism, and the workpiece support wheel assembly is arranged on the frame below the scraper mechanism.

[0006] In the prior art, heating and welding the aluminum flat tube by an extrusion welding device will cause the temperature of the aluminum flat tube to be high. The high temperature of the aluminum flat tube affects the scraping effect of the scraper, causing the aluminum flat tube to deform or have low processing accuracy (such as processing accuracy greater than 0.03mm). Summary of the invention

[0007] In order to solve the above problems, the embodiment of the present invention provides a scraping and cleaning device for aluminum flat tubes, which realizes cooling and cleaning of the aluminum flat tubes before scraping, and drying and cleaning of the aluminum flat tubes after scraping. The technical solution is as follows: The embodiment of the present invention provides a scraping and cleaning device for an aluminum flat tube, the device comprising a shell 2 arranged in the front-to-back direction, a scraper 3 located in the shell 2 and at the top of the aluminum flat tube 1, a support structure 4 located in the shell 2 and directly below the scraper 3, and a coolant nozzle 5 located in the shell 2 and next to the scraper 3, wherein the support structure 4 is arranged in the front-to-back direction and is located at the lower part of the aluminum flat tube 1, the coolant nozzle 5 faces the scraped part of the top of the aluminum flat tube 1 and is connected to the coolant circulation structure through a pipeline; the device also comprises The invention comprises a feed channel 6, a discharge channel 7, a cooling liquid tank 8, two soft bodies 9 on the left and right sides of the rear end of the feed channel 6, a sealing chamber 10 at the front end of the discharge channel 7, an external high-pressure nozzle 12 between the scraper 3 and the sealing chamber 10, an internal high-pressure nozzle 13 in the sealing chamber 10, and two groups of side high-pressure nozzles 11 on the left and right sides of the discharge channel 7. The two groups of side high-pressure nozzles 11 are respectively located on the left and right sides of the aluminum flat tube 1 and are arranged toward the aluminum flat tube 1. The external high-pressure nozzle 12 and the internal high-pressure nozzle 13 are both located on the aluminum flat tube. 1 is arranged directly above the aluminum flat tube 1 and it is arranged toward the aluminum flat tube 1, the side high-pressure nozzle 11, the outer high-pressure nozzle 12 and the inner high-pressure nozzle 13 are all connected to the compressed air supply structure through pipelines; the feed channel 6 and the discharge channel 7 are respectively arranged on the inner front side of the shell 2 and the inner rear side of the shell 2 and they can allow the aluminum flat tube 1 to pass through; the coolant tank 8 is arranged on the outer front side of the shell 2, it is arranged in the front-to-back direction, and an opening is provided on the upper side of its front end for the aluminum flat tube 1 to pass through, and the coolant is contained in it, and the front end of the coolant tank is connected to the relative position of the extrusion welding device. Adjacent to the rear, it is connected to the coolant circulation structure through a pipeline, and its rear end is connected to the front end of the feed channel 6; the aluminum flat tube 1 is immersed in the coolant in the coolant tank 8; the coolant flowing out of the bottom and opening of the shell 2 flows back to the coolant circulation structure; two soft bodies 9 are arranged side by side and tightly together, and they are respectively located on the left and right sides of the aluminum flat tube 1, which seal the rear end of the feed channel 6; the front side of the sealing chamber 10 is provided with a strip hole for the aluminum flat tube 1 to pass through, and the lower side is provided with a chip removal port.

[0008] Among them, the feed channel 6 and the discharge channel 7 in the embodiment of the present invention are both rectangular tubes arranged in the front-to-back direction; the coolant tank 8 is a rectangular tank arranged in the front-to-back direction, and its left and right sides and bottom are flush with the corresponding sides of the feed channel 6, and its left or right side is connected to the coolant circulation structure through a pipeline; the lower side of the discharge channel 7 is arranged obliquely downward from back to front.

[0009] Among them, the sealed chamber 10 in the embodiment of the present invention is a rectangular chamber arranged along the front-to-back direction, and a visual window is provided on its left and / or right side, and its left and right sides protrude outward relative to the corresponding sides of the discharge channel 7; the chip discharge port is a rectangular port arranged along the front-to-back direction and a rectangular discharge pipe 16 is provided on it in the vertical direction.

[0010] Among them, there are multiple internal high-pressure nozzles 13 in the embodiment of the present invention; multiple internal high-pressure nozzles 13 are arranged side by side front and back, and are fixed on the top of the sealed chamber 10, and are connected to the compressed air supply structure through a pipeline with a valve; the external high-pressure nozzle 12 is fixed on the upper front side of the sealed chamber 10, and is located directly above the strip opening; the external high-pressure nozzle 12 and the internal high-pressure nozzle 13 are both arranged vertically, and the side high-pressure nozzle 11 is arranged in the left and right directions.

[0011] The soft body 9 in the embodiment of the present invention is a vertically arranged sponge strip, the outer side of which is fixed to the corresponding side of the feed channel 6 , and the upper and lower ends of which are respectively fixed to the upper and lower sides of the feed channel 6 .

[0012] The opening in the embodiment of the present invention is a vertically arranged U-shaped opening, the strip-shaped hole is a vertically arranged oblong hole, and the front and rear sides of the shell 2 are both provided with through holes for the aluminum flat tube 1 to pass through.

[0013] Furthermore, a drainage groove 14 is provided directly below the front end of the cooling liquid groove 8 in the embodiment of the present invention and adjacent to the rear of the extrusion welding device; the cooling liquid circulation structure is located directly below the shell 2 and is connected to the bottom of the shell 2, and the drainage groove 14 is arranged in the left and right directions and is connected to the cooling liquid circulation structure.

[0014] Furthermore, the scraper 3 in the embodiment of the present invention is arranged obliquely forward from top to bottom and is arranged at the bottom of the scraper adjustment structure 15. The scraper adjustment structure 15 is arranged on the left or right side of the shell 2 and can be adjusted left and right and vertically; the support structure 4 is a plastic rectangular groove arranged along the front and back directions, which is arranged on the left or right side of the shell 2 and can be adjusted vertically.

[0015] Among them, the left side or right side of the shell 2 in the embodiment of the present invention is provided with an openable side-flip door and its top is open, the scraper adjustment structure 15 and the support structure 4 are located on the same side and they are both located on the side away from the side-flip door; the adjustment hand wheel of the scraper adjustment structure 15 passes upward from the top of the shell 2.

[0016] Among them, the bottom of the shell 2 in the embodiment of the present invention is provided with a collecting net groove that cooperates with it; the collecting net groove is located below the sealing chamber 10 and the supporting structure 4, which is located below the side flip door and can be pulled out from one side of the side flip door; the bottom of the side flip door is provided with a soft baffle.

[0017] The technical solution provided by the embodiment of the present invention has the following beneficial effects: (1) The cooling liquid tank realizes the cooling and cleaning of the aluminum flat tube. The cooling liquid flowing out is sent to the extrusion welding device to cool the extrusion welding device. The cooling liquid tank reduces the temperature of the aluminum flat tube to below 70°C.

[0018] (2) The soft body has multiple functions: one is to close the rear end of the feed channel, the second is to scrub the aluminum flat tube, and the third is to absorb the coolant on the aluminum flat tube.

[0019] (3) The side high-pressure nozzle, the external high-pressure nozzle and the internal high-pressure nozzle realize the drying and cleaning of the aluminum flat tube, and further cool the aluminum flat tube to below 35°C to ensure the accuracy of subsequent shaping; the sealed chamber is isolated to ensure the cleaning effect.

[0020] (4) The device also has the advantages of easy maintenance, convenient debris cleaning and high applicability.

[0021] (5) The scraping size error of the aluminum flat tube is less than 0.02mm; Figure 2 As shown, the top of the aluminum flat tube is flat and smooth, with no visible welding marks at all. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the structure of the scraping and cleaning device for the aluminum flat tube in the embodiment of the present invention; Figure 2 This is a schematic diagram of the appearance of the welding end of the aluminum flat tube prepared by this patent.

[0023] In the figure: 1 aluminum flat tube, 2 shell, 3 scraper, 4 support structure, 5 coolant nozzle, 6 feed channel, 7 discharge channel, 8 coolant tank, 9 soft body, 10 sealing chamber, 11 side high-pressure nozzle, 12 external high-pressure nozzle, 13 internal high-pressure nozzle, 14 drainage tank, 15 scraper adjustment structure, 16 discharge pipe. DETAILED DESCRIPTION

[0024] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] Example 1 See also Figure 1Embodiment 1 provides a scraping and cleaning device for an aluminum flat tube, which includes a shell 2, a scraper 3, a supporting structure 4, a coolant nozzle 5, a feed channel 6, a discharge channel 7, a coolant tank 8, two soft bodies 9, a sealing chamber 10, an external high-pressure nozzle 12, a plurality of internal high-pressure nozzles 13 and two groups of side high-pressure nozzles 11, etc.

[0026] Among them, the shell 2 is arranged along the front-to-back direction, and is specifically a rectangular box structure. Both the front and rear sides are provided with through holes for the aluminum flat tube 1 to pass through. It is located above the coolant circulation structure (including a collection tank, pump and filtering structure, etc., which is a conventional structure).

[0027] The scraper 3 is located at the front part of the shell 2, which is located at the top of the aluminum flat tube 1, and is arranged obliquely forward from top to bottom.

[0028] The support structure 4 is located in the front part of the housing 2, directly below the scraper 3, arranged in the front-to-back direction, and located at the lower part of the aluminum flat tube 1. Specifically, the support structure 4 is a plastic rectangular groove arranged in the front-to-back direction (the aluminum flat tube 1 is slidably arranged in the rectangular groove), which is fixed on the left or right side of the housing 2.

[0029] The coolant nozzle 5 is located at the front of the shell 2, beside the scraper 3, facing the flattened part of the top of the aluminum flat tube 1, and connected to the coolant circulation structure through a pipeline.

[0030] The feed channel 6 is arranged at the front side of the shell 2, and is arranged at the through hole at the front side of the shell 2, and can allow the aluminum flat tube 1 to pass through. Specifically, the feed channel 6 is a rectangular tube arranged along the front-back direction.

[0031] The discharge channel 7 is arranged at the rear side of the housing 2, and is arranged at the through hole at the rear side of the housing 2, and can allow the aluminum flat tube 1 to pass through. Specifically, the discharge channel 7 is a rectangular tube arranged in the front-to-back direction. Preferably, the lower side of the discharge channel 7 is arranged obliquely downward from the back to the front to allow the blown-off debris and coolant to flow into the housing 2.

[0032] Among them, the cooling liquid tank 8 is arranged on the outer front side of the shell 2, and is arranged in the front-to-back direction. The upper side of the front end is provided with an opening for the aluminum flat tube 1 to pass through (specifically, a vertically arranged U-shaped opening, and the cooling liquid flows out from the opening). The cooling liquid is contained in the cooling liquid, and the front end thereof is connected to the adjacent rear of the extrusion welding device through a pipeline, and the rear end thereof is connected to the front end of the feed channel 6, and the cooling liquid flowing out of the cooling liquid tank 8 is connected to the extrusion welding device. Specifically, the cooling liquid tank 8 is a rectangular tank arranged in the front-to-back direction, and its left and right sides and the bottom are flush with the corresponding sides of the feed channel 6, and the left or right side thereof is connected to the cooling liquid circulation structure through a pipeline. The aluminum flat tube 1 is immersed in the cooling liquid in the cooling liquid tank 8. The cooling liquid flowing out of the bottom and opening of the shell 2 flows back to the cooling liquid circulation structure; specifically, the cooling liquid circulation structure is located directly below the shell 2 and is connected to the bottom of the shell 2. The cooling liquid tank 8 can be understood as the feed channel 6 extending forward relative to the front side of the shell 2 and its top is open (better heat dissipation).

[0033] Among them, two soft bodies 9 are respectively arranged on the left and right sides of the rear end of the feed channel 6, which are arranged side by side and close together, and are respectively located on the left and right sides of the aluminum flat tube 1, which seal the rear end of the feed channel 6. Specifically, the soft body 9 is a vertically arranged sponge strip, the outer side of which is fixed to the corresponding side of the feed channel 6, and the upper and lower ends of which are respectively fixed to the upper and lower sides of the feed channel 6.

[0034] The sealed chamber 10 is located at the rear of the housing 2, and is arranged at the front end of the discharge channel 7. A strip hole (specifically, a vertically arranged oblong hole, slightly larger than the aluminum flat tube 1) is provided on the front side thereof for the aluminum flat tube 1 to pass through, and a chip discharge port is provided on the lower side thereof. Specifically, the sealed chamber 10 is a rectangular chamber arranged in the front-to-back direction, and a visual window is provided on the left and / or right side thereof, and the left and right sides thereof protrude outward relative to the corresponding sides of the discharge channel 7. The chip discharge port is a rectangular port arranged in the front-to-back direction, and a rectangular discharge pipe 16 (specifically, a plastic pipe, with a length of 2-4 cm) is provided on it in the vertical direction to reduce the possibility of debris splashing into the sealed chamber 10.

[0035] The external high-pressure nozzle 12 is located between the scraper 3 and the sealing chamber 10, and is located directly above the aluminum flat tube 1. It is arranged toward the aluminum flat tube 1, and is arranged vertically. It is connected to the compressed air supply structure through a pipeline. Specifically, the external high-pressure nozzle 12 is fixed to the upper front side of the sealing chamber 10, and is located directly above the strip-shaped opening.

[0036] The internal high-pressure nozzle 13 is arranged in the sealed chamber 10, which is located directly above the aluminum flat tube 1, is arranged toward the aluminum flat tube 1, is arranged vertically, and is connected to the compressed air supply structure through a pipeline. Specifically, a plurality of internal high-pressure nozzles 13 are arranged side by side front and back, fixed on the top of the sealed chamber 10, and connected to the compressed air supply structure through a pipeline with a valve (which can be opened, closed and adjusted).

[0037] Among them, two groups of side high-pressure nozzles 11 are respectively arranged on the left and right sides of the discharge channel 7 (specifically on the left and right sides of the rear part of the discharge channel 7), which are respectively located on the left and right sides of the aluminum flat tube 1, and are arranged toward the aluminum flat tube 1, and have one or more side high-pressure nozzles 11 (if there are multiple side high-pressure nozzles 11, multiple side high-pressure nozzles 11 are arranged side by side up and down). The side high-pressure nozzles 11 are arranged in the left and right directions, and are connected to the compressed air supply structure through pipelines. The aluminum flat tube 1 passes through the cooling liquid tank 8, the feed channel 6, the support structure 4, directly below the external high-pressure nozzle 12, the sealing chamber 10 and the discharge channel 7 from front to back.

[0038] Example 2 See also Figure 1 Embodiment 2 provides a scraping and cleaning device for aluminum flat tubes, and its structure is basically the same as that of embodiment 1, except that: the scraper 3 in the embodiment of the present invention is arranged at the bottom of the scraper adjustment structure 15 (two adjustment hand wheels are provided to respectively realize left-right and vertical adjustment, which is an existing structure), and the scraper adjustment structure 15 is arranged on the left or right side of the housing 2 and can be adjusted left-right and vertically. The support structure 4 can be adjusted vertically. The above structure ensures that the device can adapt to products of various specifications.

[0039] Example 3 Embodiment 3 provides a scraping and cleaning device for aluminum flat tubes, and its structure is basically the same as that of Embodiment 2, except that: the left or right side of the housing 2 in the embodiment of the present invention is provided with an openable side flip door (the rear end is hinged to the rear side of the housing 2) and its top is open, and the scraper adjustment structure 15 and the support structure 4 are located on the same side and both are located on the side away from the side flip door. The adjustment hand wheel of the scraper adjustment structure 15 passes upward from the top of the housing 2.

[0040] Example 4 Embodiment 4 provides a scraping and cleaning device for an aluminum flat tube, and its structure is basically the same as that of Embodiment 3, except that: the bottom of the housing 2 in the embodiment of the present invention is provided with a collecting mesh groove matched therewith. The collecting mesh groove is located below the sealing chamber 10 and the supporting structure 4, which is located below the side flip door, and can be pulled out from one side (left or right) of the side flip door, and is specifically a rectangular mesh groove arranged in the front-to-back direction. A soft baffle (specifically a rubber plate) is provided at the bottom of the side flip door to close the gap between the side flip door and the collecting mesh groove.

[0041] Example 5 Embodiment 5 provides a scraping and cleaning device for an aluminum flat tube, and its structure is basically the same as that of Embodiment 1, except that: a drainage groove 14 is provided just below the front end of the cooling liquid tank 8 in the embodiment of the present invention and adjacent to the rear of the extrusion welding device. The drainage groove 14 is arranged in the left-right direction and is connected to the cooling liquid circulation structure, and is used to collect the cooling liquid flowing out of the cooling liquid tank 8 and the extrusion welding device.

[0042] Example 6 Example 6 provides a scraping and cleaning device for an aluminum flat tube, and its structure is basically the same as that of Example 4, except that: the scraper adjustment structure 15 and the support structure 4 in this embodiment are arranged on the right side of the shell 2, a visual window is provided on the left side of the sealing chamber 10, and a side flip door is provided on the left side of the shell 2, and the collecting net trough can be pulled out from the left side of the shell 2.

[0043] Example 7 Example 7 provides a scraping and cleaning device for aluminum flat tubes, and its structure is basically the same as that of Example 1, except that: the length of the feed channel 6 and the discharge channel 7 in the embodiment of the present invention is 4 cm, and the length of the cooling liquid tank 8 is 8 cm.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A scraping and cleaning device for an aluminum flat tube, comprising a shell (2) arranged in a front-to-back direction, a scraper (3) in the shell (2) and located at the top of the aluminum flat tube (1), a support structure (4) in the shell (2) and located directly below the scraper (3), and a coolant nozzle (5) in the shell (2) and located next to the scraper (3), wherein the support structure (4) is arranged in a front-to-back direction and located at the lower part of the aluminum flat tube (1), the coolant nozzle (5) faces the scraped portion of the top of the aluminum flat tube (1) and is connected to a coolant circulation structure through a pipeline; characterized in that: The device also includes a feed channel (6), a discharge channel (7), a cooling liquid tank (8), two soft bodies (9) on the left and right sides of the rear end of the feed channel (6), a sealing chamber (10) at the front end of the discharge channel (7), an external high-pressure nozzle (12) between the scraper (3) and the sealing chamber (10), an internal high-pressure nozzle (13) in the sealing chamber (10), and two groups of side high-pressure nozzles (11) on the left and right sides of the discharge channel (7), the two groups of side high-pressure nozzles (11) are respectively located on the left and right sides of the aluminum flat tube (1) and are arranged toward the aluminum flat tube (1), the external high-pressure nozzle (12) and the internal high-pressure nozzle (13) are both located directly above the aluminum flat tube (1) and are arranged toward the aluminum flat tube (1), and the side high-pressure nozzles (11), the external high-pressure nozzles (12) and the internal high-pressure nozzles (13) are all connected to the compressed air supply structure through pipelines; the feed channel (6) and the discharge channel (7) are respectively arranged on the inner front side of the shell (2) and the inner rear side of the shell (2) and can allow the aluminum flat tube (1) to pass through; the cooling liquid tank (8) is arranged on the outer front side of the shell (2), and is arranged in the front-to-back direction. The upper side of its front end is provided with an opening for the aluminum flat tube (1) to pass through, and cooling liquid is contained therein. Its front end is connected to the adjacent rear of the extrusion welding device, and it is connected to the cooling liquid circulation structure through a pipeline, and its rear end is connected to the front end of the feed channel (6); the aluminum flat tube (1) is immersed in the cooling liquid in the cooling liquid tank (8); the cooling liquid flowing out of the bottom and opening of the shell (2) flows back to the cooling liquid circulation structure; two soft bodies (9) are arranged side by side and tightly together, and are respectively located on the left and right sides of the aluminum flat tube (1), and they seal the rear end of the feed channel (6); the front side of the sealing chamber (10) is provided with a strip hole for the aluminum flat tube (1) to pass through, and the lower side is provided with a chip removal opening.

2. The scraping and cleaning device for aluminum flat tubes according to claim 1 is characterized in that: The feed channel (6) and the discharge channel (7) are both rectangular tubes arranged in the front-to-back direction; the coolant tank (8) is a rectangular tank arranged in the front-to-back direction, its left and right sides and bottom are flush with the corresponding sides of the feed channel (6), and its left or right side is connected to the coolant circulation structure through a pipeline; the lower side of the discharge channel (7) is arranged obliquely downward from back to front.

3. The scraping and cleaning device for aluminum flat tubes according to claim 2, characterized in that: The sealed chamber (10) is a rectangular chamber arranged in the front-to-back direction, with visual windows provided on the left and / or right sides thereof, and the left and right sides thereof protrude outwardly relative to the corresponding sides of the discharge channel (7); the chip discharge opening is a rectangular opening arranged in the front-to-back direction and a rectangular discharge pipe (16) is provided on it in the vertical direction.

4. The scraping and cleaning device for aluminum flat tubes according to claim 1, characterized in that: There are multiple internal high-pressure nozzles (13); the multiple internal high-pressure nozzles (13) are arranged side by side in front and back, fixed on the top of the sealed chamber (10), and connected to the compressed air supply structure through a pipeline with a valve; the external high-pressure nozzle (12) is fixed on the upper front side of the sealed chamber (10), and is located directly above the strip-shaped opening; the external high-pressure nozzle (12) and the internal high-pressure nozzle (13) are both arranged vertically, and the side high-pressure nozzle (11) is arranged in the left and right directions.

5. The scraping and cleaning device for aluminum flat tubes according to claim 1, characterized in that: The soft body (9) is a vertically arranged sponge strip, the outer side of which is fixed to the corresponding side of the feed channel (6), and the upper and lower ends of which are respectively fixed to the upper and lower sides of the feed channel (6).

6. The scraping and cleaning device for aluminum flat tubes according to claim 1, characterized in that: The opening is a vertically arranged U-shaped opening, the strip-shaped hole is a vertically arranged oblong hole, and the front and rear sides of the shell (2) are both provided with through holes for the aluminum flat tube (1) to pass through.

7. The scraping and cleaning device for aluminum flat tubes according to claim 1, characterized in that: A drainage groove (14) is provided just below the front end of the cooling liquid groove (8) and adjacent to the rear of the extrusion welding device; the cooling liquid circulation structure is located just below the shell (2) and is connected to the bottom of the shell (2); the drainage groove (14) is arranged in the left and right directions and is connected to the cooling liquid circulation structure.

8. The scraping and cleaning device for aluminum flat tubes according to claim 1, characterized in that: The scraper (3) is arranged obliquely forward from top to bottom and is arranged at the bottom of the scraper adjustment structure (15). The scraper adjustment structure (15) is arranged on the left or right side of the shell (2) and can be adjusted left and right and vertically. The support structure (4) is a plastic rectangular groove arranged in the front-to-back direction. It is arranged on the left or right side of the shell (2) and can be adjusted vertically.

9. The scraping and cleaning device for aluminum flat tubes according to claim 8, characterized in that: An openable flip door is provided on the left or right side of the shell (2) and its top is open; the scraper adjustment structure (15) and the support structure (4) are located on the same side and are both located on the side away from the flip door; the adjustment hand wheel of the scraper adjustment structure (15) extends upward from the top of the shell (2).

10. The scraping and cleaning device for aluminum flat tubes according to claim 9, characterized in that: The bottom of the shell (2) is provided with a collecting net groove that cooperates with it; the collecting net groove is located below the sealing chamber (10) and the supporting structure (4), and is located below the side flip door, and can be pulled out from one side of the side flip door; the bottom of the side flip door is provided with a soft baffle.

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