Aluminum profile extruder and extrusion method for recycling waste aluminum

Abstract

The present invention discloses an aluminum profile extruder and an extrusion method for recycling waste aluminum, and relates to the technical field of aluminum profile processing equipment. The present invention includes an extruder, a conveying device, a second motor, and a plurality of conveying rollers arranged on the conveying device, the output end of the second motor is belt-driven with one of the conveying rollers, a bracket is fixedly installed at one end of the conveying device, and also includes a cleaning mechanism for cleaning the conveying roller, the cleaning mechanism is connected to the conveying device, and the cleaning mechanism includes a driving unit, a plurality of positioning components for positioning the conveying roller position, and a scraper component. The present invention arranges a driving component and a scraper component, so that the driving component drives the scraper component to slide under the conveying device, the scraper component contacts the positioning component, drives the cleaning bar to contact the conveying roller, cleans the outer wall of the conveying roller, avoids some impurities adhering to the outer wall of the conveying roller to cause scratches on the surface of the aluminum profile, improves the quality of the aluminum profile, and reduces the defective rate.

Description

Technical Field

[0001] The invention belongs to the technical field of aluminum profile processing equipment, and in particular relates to an aluminum profile extruder and an extrusion method thereof for recycling waste aluminum. Background Art

[0002] At present, scrap aluminum is generally reused after pretreatment and remelting. The recycled aluminum will be extruded through an extruder to obtain aluminum profiles of preset shapes for secondary use. The extruded aluminum profiles will be guided and transported by conveyor rollers. However, some fine sand particles will adhere to the surface of the conveyor rollers, and the hardness of these sand particles is higher than that of the aluminum profiles. When the conveyor rollers rotate, the surface of the aluminum profiles will be scratched, affecting the appearance of the aluminum profiles and leading to an increase in the defective rate.

[0003] Therefore, the existing extruder is not convenient for conveniently cleaning the surface of the conveying roller and cannot meet the needs in actual use. Therefore, there is an urgent need for improved technology in the market to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide an aluminum profile extruder and an extrusion method for recycling waste aluminum. By arranging a driving component and a scraper component, the driving component drives the scraper component to slide under a conveying device, the scraper component contacts the positioning component, and drives the cleaning bar to contact the conveying roller, so as to clean the outer wall of the conveying roller, thereby avoiding impurities adhering to the outer wall of the conveying roller and causing scratches on the surface of the aluminum profile, thereby improving the quality of the aluminum profile and reducing the defective rate, thereby solving the problem that the existing extruder is inconvenient to clean the surface of the conveying roller conveniently.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is an aluminum profile extruder for recycling waste aluminum, comprising an extruder, a conveying device, a second motor and a plurality of conveying rollers arranged on the conveying device, the output end of the second motor is belt-driven with one of the conveying rollers, the conveying device is arranged at the discharge end of the extruder, and a conveying line is formed by the plurality of conveying rollers, a bracket is fixedly mounted at one end of the conveying device, and also comprises a cleaning mechanism for cleaning the conveying rollers, the cleaning mechanism is connected to the conveying device, and the cleaning mechanism comprises a driving unit, a plurality of positioning components for positioning the conveying rollers, and a scraper component.

[0007] Furthermore, the driving unit includes a first motor and four connecting frames fixedly mounted on the bottom wall of the conveying device, the connecting frames are arranged in pairs of two and are respectively arranged on both sides of the conveying device, a second guide rail is fixedly mounted on the bottom end of an adjacent pair of connecting frames, a rack is fixedly mounted on the top of the second guide rail, a slider is slidably sleeved on the second guide rail, a mounting plate is fixedly mounted on the side wall of one of the sliders, the first motor is fixedly connected to the mounting plate, a connecting rod is fixedly mounted on the output end of the first motor, gears are fixedly mounted at both ends of the connecting rod at positions corresponding to the rack, and the gears are meshed with the rack.

[0008] Furthermore, the second guide rail is an I-shaped structure, and a pair of first rollers are rotatably mounted on the inner walls of both sides of the sliding block via a first rotating shaft, and the first rollers extend to contact with the grooves of the second guide rail.

[0009] Furthermore, the positioning assembly includes a connecting block fixedly mounted on the connecting frame, a same first guide rail is fixedly mounted on the side walls of an adjacent pair of connecting blocks, a U-shaped block is slidably mounted on the first guide rail, a fixing rod is fixedly mounted on the side wall of the U-shaped block, a limiting plate is sleeved on the fixing rod, a guide hole is opened on the side wall of the limiting plate, one end of the fixing rod extends to pass through the guide hole and is fixedly mounted with a fixing column, the other end of the fixing rod is rotatably mounted with a screw, the screw is sleeved with a mounting plate, and the mounting plate is adapted to the U-shaped block.

[0010] Furthermore, the scraper assembly includes a pair of L-shaped blocks respectively fixedly mounted on the sliding block, a mounting sleeve is rotatably mounted on the side wall of the L-shaped block via a second rotating shaft, a first push rod is fixedly mounted on the side wall of the mounting sleeve, an elastic component is arranged between the first push rod and the L-shaped block, a second roller is rotatably mounted on one end of the first push rod via a third rotating shaft, and also includes a second push rod fixedly mounted on the side wall of the mounting sleeve, the second push rod forms an angle with the first push rod, a mounting block is fixedly mounted on the top of the second push rod, and the same cleaning strip is fixedly mounted on the top of a pair of the mounting blocks.

[0011] Furthermore, one side of the L-shaped block is integrally formed with a bending section by bending.

[0012] Furthermore, the elastic component is a spring, and two ends of the spring are in contact with the first push rod and the bending section respectively.

[0013] Furthermore, the limiting plate is configured as a Y-shaped structure.

[0014] Furthermore, a pair of grooves is provided on one side of the U-shaped block, and protrusions are provided on both upper and lower ends of the mounting plate, and the protrusions extend to fit with the grooves.

[0015] An aluminum profile extrusion method for recycling waste aluminum, which is applied to the bending mechanism of the aluminum plate fan arc strip forming process, comprises the following steps:

[0016] S1: First, the aluminum liquid that has been melted in the melting furnace is kept warm and filtered before being recast into aluminum bars;

[0017] S2: feeding the aluminum rod into a shearing machine for equidistant shearing, and then feeding the aluminum rod into the extruder for extrusion molding;

[0018] S3: The formed aluminum profile is transported to the next processing step through the conveying device.

[0019] The present invention has the following beneficial effects:

[0020] 1. The present invention arranges a driving assembly and a scraper assembly so that the driving assembly drives the scraper assembly to slide under the conveying device, the scraper assembly contacts the positioning assembly, drives the cleaning bar to contact the conveying roller, cleans the outer wall of the conveying roller, avoids impurities adhering to the outer wall of the conveying roller and causing scratches on the surface of the aluminum profile, improves the quality of the aluminum profile, and reduces the defective rate.

[0021] 2. The present invention provides a plurality of slidable positioning components, and can adjust and install the positioning components according to the different spacings of the conveying rollers provided on conveying devices of different models, flexibly adjust the position of the positioning components, and improve the application range of the cleaning mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention from a first viewing angle;

[0024] Figure 2 A schematic diagram of the first-view stereoscopic structure of the transmission device and the cleaning mechanism of the present invention;

[0025] Figure 3 A schematic diagram of a partial three-dimensional structure of the transmission device and the cleaning mechanism of the present invention assembled from a second viewing angle;

[0026] Figure 4 It is a schematic diagram of an enlarged three-dimensional structure of a driving unit of the present invention;

[0027] Figure 5 It is an enlarged three-dimensional structural schematic diagram of the scraper assembly of the present invention;

[0028] Figure 6 It is a schematic diagram of an enlarged three-dimensional structure of the positioning assembly and the conveying roller assembly of the present invention;

[0029] Figure 7 This is an enlarged three-dimensional structural schematic diagram of the positioning assembly of the present invention;

[0030] Figure 8 This is a partially disassembled and enlarged three-dimensional structural schematic diagram of the positioning component of the present invention.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Extruder; 2. Conveying device; 3. Conveying roller; 4. First motor; 5. Bracket; 6. Second motor; 7. Connecting frame; 8. Rack; 9. Fixing rod; 10. Guide hole; 11. Connecting rod; 12. Gear; 13. Slider; 14. First roller; 15. L-shaped block; 16. Mounting sleeve; 17. First push rod; 18. Second roller; 19. Second push rod; 20. Mounting block; 21. Cleaning strip; 22. Bending section; 23. First guide rail; 24. Second guide rail; 25. Connecting block; 26. U-shaped block; 27. Limiting plate; 28. Mounting plate; 29. ​​Screw; 30. Fixing column. DETAILED DESCRIPTION

[0033] Embodiment 1

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0035] See also Figure 1-Figure 3 As shown, the present invention is an aluminum profile extruder for recycling waste aluminum, comprising an extruder 1, a conveying device 2, a second motor 6 and a plurality of conveying rollers 3 arranged on the conveying device 2, the output end of the second motor 6 is belt-driven with one of the conveying rollers 3, the conveying device 2 is arranged at the discharge end of the extruder 1, and a conveying line is formed by a plurality of conveying rollers 3, the conveying device 2 is a prior art, so it is not described here in detail, a bracket 5 is fixedly mounted on one end of the conveying device 2 for guiding the extruded aluminum profile, and also comprises a cleaning mechanism for cleaning the conveying roller 3, the cleaning mechanism is connected to the conveying device 2, the cleaning mechanism comprises a driving unit, a plurality of positioning components for positioning the position of the conveying roller 3 and a scraper component, by controlling the cleaning mechanism to clean the conveying device 2, the cleanliness of the conveying roller 3 can be effectively maintained, and the surface of the aluminum profile is prevented from being scratched, and at the same time, the structure is simple and reliable, and both the manufacturing cost and the maintenance cost are very low.

[0036] Among them Figure 1-Figure 4As shown, the driving unit includes a first motor 4 and four connecting frames 7 fixedly mounted on the bottom wall of the conveying device 2. The connecting frames 7 are arranged in pairs on both sides of the conveying device 2. The connecting frames 7 are fixedly connected to the conveying device 2 by bolt connection, so that the driving unit is easy to install and maintain. A second guide rail 24 is fixedly mounted on the bottom end of an adjacent pair of connecting frames 7, a rack 8 is fixedly mounted on the top of the second guide rail 24, a slider 13 is slidably sleeved on the second guide rail 24, and the second guide rail 24 is an I-shaped mechanism. A pair of first rollers 14 are rotatably mounted on the inner walls on both sides of the slider 13 through a first rotating shaft, and the first rollers 14 extend to the second guide rail. The advantage of such arrangement is that it can reduce the friction between the slider 13 and the second guide rail 24 when sliding. A mounting plate is fixedly installed on the side wall of one of the sliders 13, and the first motor 4 is fixedly connected to the mounting plate. A connecting rod 11 is fixedly installed on the output end of the first motor 4. Gears 12 are fixedly installed at the two ends of the connecting rod 11 at positions corresponding to the rack 8, and the gear 12 is meshed with the rack 8. By starting the first motor 4, the first motor 4 drives the connecting rod 11 to rotate, so that a pair of gears 12 are meshed with the rack 8 and move on the rack 8, that is, drives the scraper assembly to slide under the conveying roller 3 to clean several conveying rollers 3.

[0037] Among them Figure 3 , Figure 6 , Figure 7 and Figure 8As shown, the positioning assembly includes a connecting block 25 fixedly mounted on the connecting frame 7, a first guide rail 23 is fixedly mounted on the side walls of an adjacent pair of connecting blocks 25, a U-shaped block 26 is slidably mounted on the first guide rail 23, a fixing rod 9 is fixedly mounted on the side wall of the U-shaped block 26, a limiting plate 27 is sleeved on the fixing rod 9, the limiting plate 27 is set to a Y-shaped structure, a guide hole 10 is opened on the side wall of the limiting plate 27, one end of the fixing rod 9 extends to pass through the guide hole 10, and a fixing column 30 is fixedly mounted, a screw 29 is rotatably mounted on the other end of the fixing rod 9, a mounting plate 28 is sleeved on the screw 29, the mounting plate 28 is adapted to the U-shaped block 26, a pair of grooves are opened on one side of the U-shaped block 26, and protrusions are arranged at the upper and lower ends of the mounting plate 28, and the protrusions The starting portion extends to fit with the groove. When fixing the positioning assembly, the U-shaped block 26 is slid on the first guide rail 23 to the position corresponding to the conveying roller 3 by turning and loosening the nut on the screw 29, and then the limit plate 27 is moved upward so that the upper part of the limit plate 27 is aligned with the end of the conveying roller 3, and then the nut on the screw 29 is screwed, and the mounting plate 28 is engaged with the U-shaped block 26. The U-shaped block 26 limits the mounting plate 28. When the nut rotates on the screw 29, it drives the mounting plate 28 to move toward the U-shaped block 26, so that the mounting plate 28 is clamped and tightly fitted with the first guide rail 23, and the U-shaped block 26 is positioned. Since the spacing between the conveying rollers 3 on different types of conveying devices 2 is different, the positioning assembly can be flexibly adjusted to improve the application range of the cleaning mechanism.

[0038] Among them Figure 3-Figure 5 As shown, the scraper assembly includes a pair of L-shaped blocks 15 respectively fixedly mounted on the slider 13, a mounting sleeve 16 is rotatably mounted on the side wall of the L-shaped block 15 via a second rotating shaft, a first push rod 17 is fixedly mounted on the side wall of the mounting sleeve 16, an elastic component is arranged between the first push rod 17 and the L-shaped block 15, and a bending section 22 is integrally formed on one side of the L-shaped block 15 by bending. The advantage of such an arrangement is that the production cost can be reduced. The elastic component is a spring, and the two ends of the spring are respectively in contact with the first push rod 17 and the bending section 22. A second roller 18 is rotatably mounted on one end of the first push rod 17 via a third rotating shaft, and the second push rod 19 is fixedly mounted on the side wall of the mounting sleeve 16. The second push rod 19 forms an angle with the first push rod 17, and a mounting block 20 is fixedly installed on the top of the second push rod 19. The same cleaning strip 21 is fixedly installed on the top of a pair of mounting blocks 20. When in use, the driving unit drives the scraper assembly to slide under the conveying roller 3. When the second roller 18 moves to contact with the fixed column 30, it will be forced to move toward the bending section 22 and squeeze the spring. At this time, the first push rod 17 drives the mounting sleeve 16 to rotate, and the second push rod 19 drives the cleaning strip 21 to rotate to contact with the conveying roller 3, and cooperates with the conveying roller 3 in the process of starting to clean the outer wall of the conveying roller 3, effectively avoiding the adhesion of some impurities on the outer wall of the conveying roller 3, improving the quality of the aluminum profile, and reducing the defective rate.

[0039] Embodiment 2

[0040] In a preferred embodiment of the present invention, an aluminum profile extrusion method for recycling waste aluminum is included, and the extrusion method comprises the following steps:

[0041] S1: First, the aluminum liquid that has been melted in the melting furnace is kept warm and filtered before being recast into aluminum bars;

[0042] S2: The aluminum rod is fed into a shearing machine for equidistant shearing, and then fed into an extruder 1 for extrusion molding;

[0043] S3: The formed aluminum profile is transported to the next processing step through the conveying device 2.

[0044] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments, any equivalent replacement of some of the technical features therein, and any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. An aluminum profile extruder for recycling waste aluminum, comprising an extruder (1), a conveying device (2), a second motor (6), and a plurality of conveying rollers (3) arranged on the conveying device (2), wherein the output end of the second motor (6) is belt-driven with one of the conveying rollers (3), the conveying device (2) is arranged at the discharge end of the extruder (1), and a conveying line is formed by the plurality of conveying rollers (3), characterized in that: A bracket (5) is fixedly mounted on one end of the conveying device (2), and also includes a cleaning mechanism for cleaning the conveying roller (3). The cleaning mechanism is connected to the conveying device (2), and includes a driving unit, a plurality of positioning components for positioning the conveying roller (3) and a scraper component. The driving unit includes a first motor (4) and four connecting frames (7) fixedly mounted on the bottom wall of the conveying device (2). The connecting frames (7) are arranged in pairs and are respectively arranged on both sides of the conveying device (2). A second guide rail (24) is fixedly mounted on the bottom end of an adjacent pair of connecting frames (7), a rack (8) is fixedly mounted on the top of the second guide rail (24), a slider (13) is slidably sleeved on the second guide rail (24), a placement plate is fixedly mounted on the side wall of one of the sliders (13), the first motor (4) is fixedly connected to the placement plate, and a connecting rod (11) is fixedly mounted on the output end of the first motor (4). ), gears (12) are fixedly mounted at positions corresponding to the rack (8) at both ends of the connecting rod (11), and the gears (12) mesh with the rack (8); the scraper assembly comprises a pair of L-shaped blocks (15) respectively fixedly mounted on the slider (13); a mounting sleeve (16) is rotatably mounted on the side wall of the L-shaped block (15) via a second rotating shaft; a first push rod (17) is fixedly mounted on the side wall of the mounting sleeve (16); an elastic member is provided between the first push rod (17) and the L-shaped block (15); a second roller (18) is rotatably mounted on one end of the first push rod (17) via a third rotating shaft; and the scraper assembly further comprises a second push rod (19) fixedly mounted on the side wall of the mounting sleeve (16); the second push rod (19) forms an angle with the first push rod (17); a mounting block (20) is fixedly mounted on the top of the second push rod (19); and a same cleaning strip (21) is fixedly mounted on the top of the pair of mounting blocks (20).

2. The aluminum profile extruder for recycling waste aluminum according to claim 1, characterized in that: The second guide rail (24) is an I-shaped structure, and a pair of first rollers (14) are rotatably mounted on the inner walls of both sides of the slider (13) via a first rotating shaft, and the first rollers (14) extend to contact the grooves of the second guide rail (24).

3. The aluminum profile extruder for recycling waste aluminum according to claim 2, characterized in that: The positioning assembly comprises a connecting block (25) fixedly mounted on the connecting frame (7); a first guide rail (23) is fixedly mounted on the side walls of a pair of adjacent connecting blocks (25); a U-shaped block (26) is slidably mounted on the first guide rail (23); a fixing rod (9) is fixedly mounted on the side wall of the U-shaped block (26); a limiting plate (27) is sleeved on the fixing rod (9); a guide hole (10) is opened on the side wall of the limiting plate (27); one end of the fixing rod (9) extends to pass through the guide hole (10) and is fixedly mounted with a fixing column (30); a screw (29) is rotatably mounted on the other end of the fixing rod (9); a mounting plate (28) is sleeved on the screw (29); the mounting plate (28) is adapted to the U-shaped block (26).

4. The aluminum profile extruder for recycling waste aluminum according to claim 3, characterized in that: One side of the L-shaped block (15) is integrally formed with a bent section (22) by bending.

5. The aluminum profile extruder for recycling waste aluminum according to claim 1, characterized in that: The elastic component is a spring, and two ends of the spring are in contact with the first push rod (17) and the bending section (22) respectively.

6. The aluminum profile extruder for recycling waste aluminum according to claim 3, characterized in that: The limiting plate (27) is configured as a Y-shaped structure.

7. The aluminum profile extruder for recycling waste aluminum according to claim 6, characterized in that: A pair of grooves is provided on one side of the U-shaped block (26), and raised portions are provided at both upper and lower ends of the mounting plate (28), the raised portions extending to fit into the grooves.

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