阅读说明：本技术 一种用于铝合金型材的加工装置及其使用方法 (Machining device for aluminum alloy section and using method of machining device ) 是由 周桂宏 周昊 于 2021-07-13 设计创作，主要内容包括：本发明属于铝合金型材加工技术领域,尤其为一种用于铝合金型材的加工装置及其使用方法,包括：输送辊组,包括进料辊和出料辊,所述进料辊和出料辊分别安装在底板顶部的左右两侧。本发明通过设置第三电机、双向螺纹杆、升降板、第一电机、第一打磨辊、连接杆、移动板、第二电机和第二打磨辊,启动第三电机可以控制升降板带动两个第一打磨辊向中间运动,至第一打磨辊的表面与铝型材的上下面接触,同时升降板可以控制移动板带动两个第二打磨辊向中间运动,在第一打磨辊的表面与铝型材的打磨面接触时,第二打磨辊的表面与铝型材的左右面恰好接触,启动第一电机和第二电机控制第二打磨辊转动对铝型材进行打磨。(The invention belongs to the technical field of aluminum alloy section processing, and particularly relates to a processing device for an aluminum alloy section and a using method thereof, wherein the processing device comprises the following steps: and the conveying roller group comprises a feeding roller and a discharging roller, and the feeding roller and the discharging roller are respectively arranged at the left side and the right side of the top of the bottom plate. The aluminum profile polishing machine is provided with a third motor, a bidirectional threaded rod, a lifting plate, a first motor, a first polishing roller, a connecting rod, a moving plate, a second motor and a second polishing roller, wherein the third motor can be started to control the lifting plate to drive the two first polishing rollers to move towards the middle until the surface of the first polishing roller is contacted with the upper surface and the lower surface of an aluminum profile, meanwhile, the lifting plate can control the moving plate to drive the two second polishing rollers to move towards the middle, when the surface of the first polishing roller is contacted with the polishing surface of the aluminum profile, the surface of the second polishing roller is just contacted with the left surface and the right surface of the aluminum profile, and the first motor and the second motor are started to control the second polishing roller to rotate to polish the aluminum profile.)

1. The utility model provides a processingequipment for aluminum alloy ex-trusions which characterized in that: the processing device comprises:

the conveying roller group (1) comprises a feeding roller and a discharging roller, and the feeding roller and the discharging roller are respectively arranged on the left side and the right side of the top of the bottom plate (7) and used for radially conveying the aluminum profile;

the two first polishing rollers (2) are respectively arranged above and below the aluminum profile at equal distances;

the first driving mechanism (3) is arranged on the bottom plate (7), and the first driving mechanism (3) is used for driving the two first grinding rollers (2) to synchronously move close to each other by taking the aluminum profile as the center until the first grinding rollers (2) are contacted with the upper grinding surface and the lower grinding surface of the aluminum profile;

two second grinding rollers (4) are arranged, and the two second grinding rollers (4) are respectively arranged at the left side and the right side of the aluminum profile at equal distances;

the second driving mechanism (5) is arranged on the bottom plate (7), the second driving mechanism (5) is used for driving the two second grinding rollers (4) to synchronously move close to each other by taking the aluminum profile as the center until the second grinding rollers (4) are contacted with the left and right grinding surfaces of the aluminum profile, and the first driving mechanism (3) drives the two first grinding rollers (2) to synchronously move close to each other by taking the aluminum profile as the center, and simultaneously drives the second grinding rollers (4) to synchronously move close to each other by taking the aluminum profile as the center so as to simultaneously grind the upper, lower, left and right grinding surfaces of the aluminum profile;

clear away mechanism (6), install on bottom plate (7), clear away mechanism (6) including striking off the subassembly and clearing up the subassembly, strike off the subassembly and be used for clearing up the aluminium alloy surface after finishing polishing, strike off aluminium alloy surface adnexed impurity, the clearance subassembly is used for clearing up the remaining impurity of striking off the subassembly through up-and-down motion and seesaw.

2. A processing apparatus for aluminum alloy sections as recited in claim 1, wherein: the first driving mechanism (3) comprises a U-shaped plate (301) fixed on a bottom plate (7) and positioned between a feeding roller and a discharging roller, a third motor (302) is installed on the U-shaped plate (301), an output shaft of the third motor (302) penetrates through the U-shaped plate (301) and is installed with a bidirectional threaded rod (303) rotatably installed on the bottom plate (7), lifting plates (304) are arranged on the surface threads of two ends of the bidirectional threaded rod (303), a guide rod (305) penetrating through the two lifting plates (304) is fixed between the U-shaped plate (301) and the bottom plate (7), two first fixing plates (306) are installed on the two lifting plates (304), one of the first fixing plates (306) is provided with a first motor (307), a first rotating shaft (308) rotatably installed with the other first fixing plate (306) is installed on the output shaft of the first motor (307), the first polishing roller (2) is arranged on a first rotating shaft (308), and a fixing column (309) penetrating through one side wall of the U-shaped plate (301) is fixed on the lifting plate (304).

3. A processing apparatus for aluminum alloy sections as recited in claim 2, wherein: the lifting plate (304) is provided with a first round hole (310) which is matched with the guide rod (305).

4. A processing apparatus for aluminum alloy sections as recited in claim 1, wherein: second actuating mechanism (5) are including fixing third fixed plate (501) that is located between first actuating mechanism (3) and the discharge roller on bottom plate (7), the both sides wall of third fixed plate (501) is fixed with T shape pole (502), slidable mounting has movable plate (503), two on T shape pole (502) all install two second fixed plates (504) on movable plate (503), one of them install second motor (505) on second fixed plate (504), install second pivot (506) of rotating the installation with another second fixed plate (504) on the output shaft of second motor (505), second grinding roller (4) are installed on second pivot (506), rotatable mounting has connecting rod (507) of rotating the installation with first actuating mechanism (3) on movable plate (503).

5. A processing apparatus for aluminum alloy sections as recited in claim 4, wherein: and a second round hole (508) matched with the T-shaped rod (502) is formed in the moving plate (503).

6. A processing apparatus for aluminum alloy sections as recited in claim 1, wherein: the scraping component and the cleaning component comprise a support plate (601), two vertical plates (602) and a support frame (605) which are fixed on a bottom plate (7) and located between a second driving mechanism (5) and a discharging roller, wherein first brushes (603) which are symmetrical up and down are fixed on the support plate (601), second brushes (604) which are symmetrical left and right are fixed on one side wall of each vertical plate (602), a first electric push rod (606) is installed on the support frame (605), a moving block (607) penetrating through the top of the support frame (605) is installed at the output end of the first electric push rod (606), a second electric push rod (608) is installed on the moving block (607), and a fixing block (609) is installed at the output end of the second electric push rod (608).

7. Use of a processing plant for aluminium alloy sections according to any of claims 1 to 6, characterized in that: the method comprises the following steps:

s1: one end of an aluminum profile is put on a feeding roller of a conveying roller group (1) and conveyed to the left, a third motor (302) is started, the third motor (302) drives a bidirectional threaded rod (303) to rotate, the bidirectional threaded rod (303) drives two lifting plates (304) to move towards the middle aluminum profile, the lifting plates (304) can drive a first polishing roller (2) to move, the surface of the first polishing roller (2) is contacted with the polishing surface of the aluminum profile, a first motor (307) is started, the first motor (307) drives a first rotating shaft (308) to rotate, the first rotating shaft (308) drives the first polishing roller (2) to rotate, the upper surface and the lower surface of the aluminum profile are continuously polished by the first polishing roller (2) in cooperation with the conveying of the aluminum profile;

s2: when the lifting plate (304) moves, the lifting plate (304) drives the fixing column (309) to move, the fixing column (309) drives the connecting rod (507) to move, the connecting rod (507) drives the two moving plates (503) to move towards a middle aluminum profile, the moving plates (503) can drive the second polishing roller (4) to move, when the surface of the first polishing roller (2) is in contact with the polishing surface of the aluminum profile, the surface of the second polishing roller (4) is just in contact with the left polishing surface and the right polishing surface of the aluminum profile, the second motor (505) is started, the second motor (505) drives the second rotating shaft (506) to rotate, the second rotating shaft (506) drives the second polishing roller (4) to rotate, and the left surface and the right surface of the aluminum profile are polished;

s3: the polished aluminum profile is continuously conveyed leftwards, the aluminum profile enters the scraping assembly, impurities which are polished on the upper surface and the lower surface of the aluminum profile and attached to the aluminum profile can be cleaned by the two first brushes (603), the impurities on the left surface and the right surface of the aluminum profile can be cleaned by the two second brushes (604), and finally the aluminum profile is conveyed out of the discharging roller;

s4: after one section aluminium alloy is polished and is cleared up, can adhere to on first brush (603) and the second brush (604) more impurity, do not clear up and can influence follow-up cleaning work, start second electric putter (608) control fixed block (609) and do reciprocating motion in vertical direction, fixed block (609) can clear up the impurity on second brush (604), keep fixed block (609) to be located the lowest position, start first electric putter (606) control fixed block (609) and do reciprocating motion in the horizontal direction, fixed block (609) can clear up the impurity on first brush (603).

Technical Field

The invention relates to the technical field of aluminum alloy section processing, in particular to a processing device for an aluminum alloy section and a using method thereof.

Background

The aluminum alloy section bar is widely applied to aviation, aerospace, automobiles, mechanical manufacturing, ships, building, decoration and chemical industries, along with rapid development of science and technology and industrial economy in recent years, the demand on the aluminum alloy section bar is increasing, and the surface of the aluminum alloy section bar is not smooth and flat after being extruded and formed, so that the surface of the aluminum alloy section bar needs to be polished by a special polishing device, particle impurities on the surface of the aluminum alloy section bar are polished, and the subsequent processes are facilitated.

However, most of polishing devices on the market do not have the function of polishing the four sides of the aluminum profile at the same time, the existing device can only polish a single side, time and labor are wasted, and the efficiency is low, so that the processing device for the aluminum profile and the using method thereof are provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a processing device for an aluminum alloy section and a using method thereof, and solves the problem that most polishing devices on the market do not have the function of polishing four sides of the aluminum alloy section simultaneously.

(II) technical scheme

The invention specifically adopts the following technical scheme for realizing the purpose:

a processing apparatus for aluminum alloy sections, the processing apparatus comprising:

the conveying roller group comprises a feeding roller and a discharging roller, and the feeding roller and the discharging roller are respectively arranged on the left side and the right side of the top of the bottom plate and used for radially conveying the aluminum profile;

the two first grinding rollers are respectively arranged above and below the aluminum profile at equal distances;

the first driving mechanism is arranged on the bottom plate and used for driving the two first polishing rollers to synchronously move close to each other by taking the aluminum profile as the center until the first polishing rollers are contacted with the upper polishing surface and the lower polishing surface of the aluminum profile;

two second grinding rollers are arranged and are respectively arranged at the left side and the right side of the aluminum profile at equal distances;

the first driving mechanism drives the two first grinding rollers to synchronously approach and move by taking the aluminum profile as the center, and simultaneously polishes the upper, lower, left and right polished surfaces of the aluminum profile;

the clearing mechanism is installed on the bottom plate and comprises a scraping assembly and a cleaning assembly, the scraping assembly is used for cleaning the surface of the aluminum profile after finishing polishing, impurities attached to the surface of the aluminum profile are scraped, and the cleaning assembly is used for cleaning the residual impurities of the scraping assembly through up-down movement and front-back movement.

Further, the first driving mechanism comprises a U-shaped plate which is fixed on the bottom plate and positioned between the feeding roller and the discharging roller, a third motor is arranged on one U-shaped plate, an output shaft of the third motor penetrates through the U-shaped plate and is provided with a bidirectional threaded rod which is rotatably arranged with the bottom plate, lifting plates are arranged on the surface threads of the two ends of the bidirectional threaded rod, a guide rod penetrating through the two lifting plates is fixed between the other U-shaped plate and the bottom plate, two first fixing plates are respectively arranged on the two lifting plates, one of the first fixing plates is provided with a first motor, the output shaft of the first motor is provided with a first rotating shaft which is rotatably arranged with the other first fixing plate, the first polishing roller is arranged on the first rotating shaft, a fixing column penetrating through one side wall of the U-shaped plate is fixed on the lifting plate, and the first polishing roller can be controlled to move towards the aluminum profile synchronously by arranging the bidirectional threaded rod.

Furthermore, a first round hole matched with the guide rod is formed in the lifting plate, so that the lifting plate can freely slide on the guide rod.

Further, second actuating mechanism is including fixing the third fixed plate that is located between first actuating mechanism and the discharge roller on the bottom plate, the both sides wall of third fixed plate is fixed with T shape pole, slidable mounting has the movable plate on the T shape pole, two all install two second fixed plates on the movable plate, one of them install the second motor on the second fixed plate, install the second pivot of rotating the installation with another second fixed plate on the output shaft of second motor, the second roller of polishing is installed in the second pivot, rotate on the movable plate and install the connecting rod with first actuating mechanism rotation installation, through setting up the connecting rod, can make first actuating mechanism can drive the motion at the first actuating mechanism of cooperation to make the second roller of polishing move to middle aluminium alloy movable plate.

Furthermore, a second round hole matched with the T-shaped rod is formed in the moving plate, so that the moving plate can slide on the T-shaped rod.

Further, strike off the subassembly and clear up the subassembly including fixing the mounting panel that is located between second actuating mechanism and the discharge roller on the bottom plate, two riser and support frame, be fixed with the first brush of longitudinal symmetry on the mounting panel, two a lateral wall of riser is fixed with the second brush of bilateral symmetry, install first electric putter on the support frame, the movable block that runs through the support frame top is installed to first electric putter's output, install second electric putter on the movable block, the fixed block is installed to second electric putter's output, through setting up first brush and second brush, can be with the aluminium alloy surface clean up.

The use method of the processing device for the aluminum alloy section comprises the following steps:

s1: one end of an aluminum profile is put on a feeding roller of a conveying roller group to be conveyed to the left, a third motor is started, the third motor drives a bidirectional threaded rod to rotate, the bidirectional threaded rod drives two lifting plates to move towards the middle aluminum profile, the lifting plates can drive a first grinding roller to move until the surface of the first grinding roller is in contact with the grinding surface of the aluminum profile, a first motor is started, the first motor drives a first rotating shaft to rotate, the first rotating shaft drives the first grinding roller to rotate, and the first grinding roller is matched with the conveying of the aluminum profile to continuously grind the upper surface and the lower surface of the aluminum profile;

s2: when the lifting plate moves, the lifting plate drives the fixed column to move, the fixed column drives the connecting rod to move, the connecting rod drives the two moving plates to move towards the middle aluminum profile, the moving plates can drive the second polishing roller to move, when the surface of the first polishing roller is in contact with the polishing surface of the aluminum profile, the surface of the second polishing roller is in right contact with the left polishing surface and the right polishing surface of the aluminum profile, the second motor is started, the second motor drives the second rotating shaft to rotate, the second rotating shaft drives the second polishing roller to rotate, and the left surface and the right surface of the aluminum profile are polished;

s3: the polished aluminum profile is continuously conveyed leftwards, the aluminum profile enters the scraping assembly, impurities which are polished and attached to the upper surface and the lower surface of the aluminum profile can be cleaned by the two first hairbrushes, the impurities on the left surface and the right surface of the aluminum profile can be cleaned by the two second hairbrushes, and finally the aluminum profile is conveyed out of the discharging roller;

s4: after one section aluminium alloy is polished and is cleared up, can adhere to more impurity on first brush and the second brush, do not clear up and can influence follow-up cleaning work, start second electric putter control fixed block and be reciprocating motion in vertical direction, the fixed block can clear up the impurity on the second brush, keep the fixed block to be located the extreme low position, start first electric putter control fixed block and be reciprocating motion in the horizontal direction, the fixed block can clear up the impurity on the first brush.

(III) advantageous effects

Compared with the prior art, the invention provides a processing device for an aluminum alloy section and a using method thereof, and the processing device has the following beneficial effects:

according to the aluminum profile polishing device, the third motor, the bidirectional threaded rod, the lifting plate, the first motor, the first polishing roller, the connecting rod, the moving plate, the second motor and the second polishing roller are arranged, the third motor can be started to control the lifting plate to drive the two first polishing rollers to move towards the middle until the surface of the first polishing roller is in contact with the upper surface and the lower surface of an aluminum profile, meanwhile, the lifting plate can control the moving plate to drive the two second polishing rollers to move towards the middle, when the surface of the first polishing roller is in contact with the polishing surface of the aluminum profile, the surface of the second polishing roller is just in contact with the left surface and the right surface of the aluminum profile, and the first motor and the second motor are started to control the second polishing roller to rotate to polish the aluminum profile.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a second driving mechanism according to the present invention;

FIG. 3 is a schematic view of a first driving mechanism according to the present invention;

FIG. 4 is a schematic view of a purging mechanism of the present invention;

FIG. 5 is a schematic diagram of a lifter plate structure according to the present invention;

FIG. 6 is a schematic diagram of the moving plate structure of the present invention.

In the figure: 1. a conveying roller set; 2. a first grinding roller; 3. a first drive mechanism; 301. a U-shaped plate; 302. a third motor; 303. a bidirectional threaded rod; 304. a lifting plate; 305. a guide bar; 306. a first fixing plate; 307. a first motor; 308. a first rotating shaft; 309. fixing a column; 310. a first circular hole; 4. a second grinding roller; 5. a second drive mechanism; 501. a third fixing plate; 502. a T-shaped rod; 503. moving the plate; 504. a second fixing plate; 505. a second motor; 506. a second rotating shaft; 507. a connecting rod; 508. a second circular hole; 6. a clearing mechanism; 601. a mounting plate; 602. a vertical plate; 603. a first brush; 604. a second brush; 605. a support frame; 606. a first electric push rod; 607. a moving block; 608. a second electric push rod; 609. a fixed block; 7. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 6, a processing apparatus for an aluminum alloy profile according to an embodiment of the present invention includes:

the conveying roller set 1 comprises a feeding roller and a discharging roller, the feeding roller and the discharging roller are respectively arranged on the left side and the right side of the top of the bottom plate 7 and used for conveying aluminum profiles in the radial direction, and the conveying roller set 1 is matched with an external conveying mechanism to convey the aluminum profiles;

the two first polishing rollers 2 are respectively arranged above and below the aluminum profile at equal distances;

the first driving mechanism 3 is arranged on the bottom plate 7, the first driving mechanism 3 is used for driving the two first grinding rollers 2 to synchronously move close to each other by taking the aluminum profile as the center until the first grinding rollers 2 are contacted with the upper grinding surface and the lower grinding surface of the aluminum profile, and the first driving mechanism 3 is started to drive the two first grinding rollers 2 to grind the upper grinding surface and the lower grinding surface of the aluminum profile;

two second grinding rollers 4 are arranged, and the two second grinding rollers 4 are respectively arranged at the left side and the right side of the aluminum profile at equal distances;

the second driving mechanism 5 is installed on the bottom plate 7, the second driving mechanism 5 is used for driving the two second grinding rollers 4 to synchronously move close to each other by taking the aluminum profile as the center until the second grinding rollers 4 are contacted with the left and right grinding surfaces of the aluminum profile, when the first driving mechanism 3 drives the two first grinding rollers 2 to synchronously move close to each other by taking the aluminum profile as the center, the second grinding rollers 4 are simultaneously driven to synchronously move close to each other by taking the aluminum profile as the center, the upper, lower, left and right grinding surfaces of the aluminum profile are simultaneously ground, and the two second grinding rollers 4 can be driven to grind the left and right surfaces of the aluminum profile by starting the second driving mechanism 5;

clearance mechanism 6 installs on bottom plate 7, clearance mechanism 6 is including striking off the subassembly and clearing up the subassembly, strikes off the subassembly and is used for clearing up the aluminium alloy surface after polishing the completion, strikes off aluminium alloy surface adhesion's impurity, the clearance subassembly is used for clearing up the remaining impurity that strikes off the subassembly through up-and-down motion and seesaw, strikes off the subassembly and can strike off the impurity on aluminium alloy surface, the clearance subassembly can be with striking off the subassembly on adnexed impurity clearance.

As shown in fig. 1 and 3, in some embodiments, the first driving mechanism 3 includes U-shaped plates 301 fixed on the bottom plate 7 between the feed roller and the discharge roller, one of the U-shaped plates 301 is provided with a third motor 302, an output shaft of the third motor 302 penetrates through the U-shaped plate 301 and is provided with a bidirectional threaded rod 303 rotatably mounted with the bottom plate 7, two end surfaces of the bidirectional threaded rod 303 are threaded with lifting plates 304, a guide rod 305 penetrating through the two lifting plates 304 is fixed between the other U-shaped plate 301 and the bottom plate 7, the two lifting plates 304 are provided with two first fixing plates 306, one of the first fixing plates 306 is provided with a first motor 307, an output shaft of the first motor 307 is provided with a first rotating shaft 308 rotatably mounted with the other first fixing plate 306, the first grinding roller 2 is mounted on the first rotating shaft 308, the lifting plate 304 is provided with a fixing post 309 penetrating through a side wall of the U-shaped plate 301, and starting the third motor 302, wherein the third motor 302 controls the bidirectional threaded rod 303 to rotate, so as to drive the first grinding roller 2 to contact with the upper surface and the lower surface of the aluminum profile, and starting the first motor 307 can drive the first grinding roller 2 to rotate to continuously grind the aluminum profile.

As shown in fig. 5, in some embodiments, the lifting plate 304 is provided with a first circular hole 310 adapted to the guide rod 305, which can limit the movement of the lifting plate 304.

As shown in fig. 1 and 2, in some embodiments, the second driving mechanism 5 includes a third fixing plate 501 fixed on the bottom plate 7 and located between the first driving mechanism 3 and the discharging roller, T-shaped rods 502 are fixed on two side walls of the third fixing plate 501, moving plates 503 are slidably mounted on the T-shaped rods 502, two second fixing plates 504 are mounted on each of the two moving plates 503, a second motor 505 is mounted on one of the second fixing plates 504, a second rotating shaft 506 rotatably mounted on the other second fixing plate 504 is mounted on an output shaft of the second motor 505, the second polishing roller 4 is mounted on the second rotating shaft 506, a connecting rod 507 rotatably mounted on the first driving mechanism 3 is rotatably mounted on the moving plate 503, the moving plate 304 drives the moving plate 309 to move while the moving plate moves, the connecting rod 507 is driven by the fixed column 309 to move, the connecting rod 507 drives the two polishing rollers 503 to move, the moving plates 503 drive the second polishing roller 4 to contact with left and right sides of the aluminum profile, the second motor 505 is started, and the second motor 505 drives the second grinding roller 4 to grind.

As shown in fig. 6, in some embodiments, the moving plate 503 is provided with a second circular hole 508 adapted to the T-shaped rod 502, so as to limit the moving plate 503 during the moving process.

As shown in fig. 4, in some embodiments, the scraping component and the cleaning component include a support plate 601 fixed on the bottom plate 7 and located between the second driving mechanism 5 and the discharging roller, two vertical plates 602, and a support frame 605, a first brush 603 is fixed on the support plate 601 and is vertically symmetrical, a second brush 604 is fixed on one side wall of the two vertical plates 602 and is bilaterally symmetrical, a first electric push rod 606 is installed on the support frame 605, a moving block 607 penetrating the top of the support frame 605 is installed at an output end of the first electric push rod 606, a second electric push rod 608 is installed on the moving block 607, a fixed block 609 is installed at an output end of the second electric push rod 608, when the aluminum profile passes through the first brush 603 and the second brush 604, impurities on the surface of the aluminum profile can be scraped off, and the first electric push rod 606 and the second electric push rod 608 are started to control the fixing block 609 to clean the impurities on the first brush 603 and the second brush 604.

The use method of the processing device for the aluminum alloy section comprises the following steps:

s1: one end of an aluminum profile is put on a feeding roller of the conveying roller group 1 and conveyed to the left, a third motor 302 is started, the third motor 302 drives a bidirectional threaded rod 303 to rotate, the bidirectional threaded rod 303 drives two lifting plates 304 to move towards the aluminum profile in the middle, the lifting plates 304 can drive a first grinding roller 2 to move until the surface of the first grinding roller 2 is in contact with the grinding surface of the aluminum profile, a first motor 307 is started, the first motor 307 drives a first rotating shaft 308 to rotate, the first rotating shaft 308 drives the first grinding roller 2 to rotate, and the first grinding roller 2 is matched with the conveying of the aluminum profile to continuously grind the upper surface and the lower surface of the aluminum profile;

s2: when the lifting plate 304 moves, the lifting plate 304 drives the fixing columns 309 to move, the fixing columns 309 drive the connecting rods 507 to move, the connecting rods 507 drive the two moving plates 503 to move towards the middle aluminum profile, the moving plates 503 can drive the second polishing rollers 4 to move, when the surface of the first polishing roller 2 is in contact with the polishing surfaces of the aluminum profile, the surface of the second polishing roller 4 is just in contact with the left and right polishing surfaces of the aluminum profile, the second motor 505 is started, the second motor 505 drives the second rotating shaft 506 to rotate, and the second rotating shaft 506 drives the second polishing roller 4 to rotate so as to polish the left and right surfaces of the aluminum profile;

s3: the polished aluminum profile is continuously conveyed leftwards, the aluminum profile enters the scraping assembly, impurities which are polished on the upper surface and the lower surface of the aluminum profile and attached to the aluminum profile can be cleaned by the two first brushes 603, the impurities on the left surface and the right surface of the aluminum profile can be cleaned by the two second brushes 604, and finally the aluminum profile is conveyed out of the discharging roller;

s4: after one section aluminium alloy is polished and is cleared up, can adhere to more impurity on first brush 603 and the second brush 604, do not clear up and can influence follow-up cleaning work, start second electric putter 608 control fixed block 609 and do reciprocating motion in vertical direction, fixed block 609 can clear up the impurity on the second brush 604, keep fixed block 609 to be located the lowest position, start first electric putter 606 control fixed block 609 and do reciprocating motion in the horizontal direction, fixed block 609 can clear up the impurity on the first brush 603.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.