Cutting device for aluminum alloy door and window machining

Abstract

The utility model relates to the technical field of aluminum alloy door and window processing, and discloses a cutting device for aluminum alloy door and window processing, which comprises a workbench, and a fixed seat is arranged on the upper surface of the workbench. The aluminum alloy profile fixing device has the following advantages and effects that through the arrangement of the fixing seat, the positioning plate, the first bearing seat, the threaded rod, the rotating shaft, the adjusting wheel disc, the screw block, the connecting rod, the clamping plate, the connecting frame, the first air cylinder, the buffer box, the spring, the limiting plate, the limiting rod and the pressing plate, all-directional fixing of an aluminum alloy profile is achieved; according to the aluminum alloy profile cutting device, the aluminum alloy profile can be effectively prevented from moving during cutting, the flatness of a cutting opening and the cutting precision are ensured, meanwhile, in the downward pressing process of a pressing plate, a spring in a buffer box is driven to be compressed through a limiting rod and a limiting plate, the buffering effect can be achieved when the upper surface of the aluminum alloy profile is fixed, and the cutting efficiency is improved. And the surface of the aluminum alloy profile is prevented from sinking when the instant pressure of the pressing plate is too large.

Description

Technical Field

[0001] This utility model relates to the field of aluminum alloy door and window processing technology, and in particular to a cutting device for aluminum alloy door and window processing. Background Technology

[0002] Aluminum alloy doors and windows are made using extruded aluminum alloy profiles as frames, mullions, and sashes. Aluminum alloy doors and windows are widely used, and during the processing of aluminum alloy doors and windows, cutting equipment is usually required for cutting the aluminum alloy profiles.

[0003] Chinese Patent Publication No. (CN221313345U) discloses a cutting device for processing aluminum alloy doors and windows, relating to the field of aluminum alloy door and window processing technology. It includes a main frame, with a telescopic rod fixedly connected to the middle of the top of the inner wall of the main frame. A cutting structure is fixedly connected to the output end of the telescopic rod, and limiting structures are fixedly connected to both sides of the bottom of the cutting structure. Cleaning structures are fixedly connected to the bottom of both sides of the main frame. The cutting device of this invention, by activating the telescopic rod, moves the cutting structure downwards. The cutting structure, through its fixed connection, moves the limiting structure downwards, thereby moving the anti-slip pad downwards. During this downward movement, the anti-slip pad first contacts the aluminum alloy door and window. The anti-slip pad, under pressure, moves upwards, causing the limiting rod to move upwards, which in turn moves the limiting plate upwards and compresses the spring. The spring, through its elasticity, moves the limiting plate downwards, thus fixing the aluminum alloy door and window.

[0004] However, the above-mentioned utility model still has the following problems: When fixing the aluminum alloy profile before cutting, the above-mentioned utility model relies on the compression force of the spring to drive the limiting plate to fix the top of the profile. This fixing method is not very effective and is prone to causing the aluminum alloy profile to shift slightly during the cutting process, which in turn causes the cutting position to deviate or the cutting edge to be uneven. Therefore, it needs to be improved. Utility Model Content

[0005] The purpose of this invention is to provide a cutting device for processing aluminum alloy doors and windows, which has the effect of preventing the aluminum alloy profiles from moving during the cutting process.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a cutting device for processing aluminum alloy doors and windows, including a workbench, a fixed seat provided on the upper surface of the workbench, a positioning plate fixedly connected to the upper surface of the fixed seat, a cavity opened inside the fixed seat, a first bearing seat fixedly connected to the inner wall of the cavity, a threaded rod rotatably connected to the inner wall of the first bearing seat, a rotating shaft fixedly connected to one end of the threaded rod, an adjusting wheel fixedly connected to the end of the rotating shaft away from the threaded rod, a screw block threadedly connected to the outer surface of the threaded rod, a connecting rod fixedly connected to the top of the screw block, a clamping plate fixedly connected to the top of the connecting rod, a connecting frame fixedly connected to one side of the clamping plate, a first cylinder inserted into the top of the connecting frame, a buffer box fixedly connected to the output end of the first cylinder, a spring fixedly connected to the inner top wall of the buffer box, a limit plate fixedly connected to the bottom of the spring, a limit rod fixedly connected to the bottom of the limit plate, and a pressure plate fixedly connected to the bottom of the limit rod.

[0007] By adopting the above technical solution, and by setting up a fixed seat, positioning plate, first bearing seat, threaded rod, rotating shaft, adjusting wheel, screw block, connecting rod, clamping plate, connecting frame, first cylinder, buffer box, spring, limit plate, limit rod, and pressure plate, in use, firstly, one side of the aluminum alloy profile is pressed tightly against the positioning plate, then the adjusting wheel is rotated. When the adjusting wheel rotates, it drives the threaded rod to rotate via the rotating shaft, which in turn drives the screw block to move the clamping plate towards the positioning plate via the connecting rod, until the clamping plate completely clamps the aluminum alloy profile. Finally, the first... The cylinder's operation causes the buffer box, limit rod, and pressure plate to move downwards until the pressure plate completely presses against the upper surface of the aluminum alloy profile. This design achieves all-round fixation of the aluminum alloy profile, effectively preventing it from moving during cutting and ensuring the flatness of the cut and the accuracy of the cut. At the same time, during the downward pressing process, the pressure plate compresses the spring in the buffer box through the limit rod and limit plate, which can buffer the upper surface of the aluminum alloy profile and prevent the surface of the aluminum alloy profile from being dented due to excessive instantaneous pressure from the pressure plate.

[0008] A further feature of this invention is that: a fixed bracket is fixedly connected to the top of the workbench, a second cylinder is fixedly connected to one end of the fixed bracket, a motor mounting bracket is fixedly connected to the output end of the second cylinder, a servo motor is fixedly connected to the inner wall of the motor mounting bracket, and a cutting saw blade is fixedly connected to the output end of the servo motor.

[0009] By adopting the above technical solution, a second cylinder is set up to drive the cutting saw blade. During the cutting operation, the second cylinder works to drive the cutting saw blade to move downwards, thus completing the cutting of the aluminum alloy profile.

[0010] A further feature of this invention is that the upper surface of the workbench is provided with a saw blade protection groove, which is located directly below the cutting saw blade.

[0011] By adopting the above technical solution and setting a saw blade protection groove, the cutting saw blade is protected, preventing the cutting saw blade from directly contacting the workbench surface and causing damage to the saw teeth.

[0012] A further feature of this invention is that there are two of each of the fixed base, positioning plate, and clamping plate, and four anti-slip pads are fixedly connected to the outer surfaces of the positioning plate and clamping plate.

[0013] By adopting the above technical solution and setting anti-slip pads, the friction between the positioning plate and clamping plate and the aluminum alloy profile can be effectively increased, thereby improving the fastening force on the aluminum alloy profile.

[0014] A further feature of this invention is that a vertical sliding rod is fixedly connected to the inner top wall of the buffer box, and a limiting hole is formed on the upper surface of the limiting plate, through which the limiting plate is slidably connected to the vertical sliding rod.

[0015] By adopting the above technical solution and setting vertical sliding rods and limiting holes, the stability of the limiting plate during movement can be improved, thereby enhancing the stability of the pressure plate during clamping and fixing.

[0016] A further feature of this invention is that: a housing is fixedly connected to the top of the workbench, a bearing seat is fixedly connected to the inner wall of the housing, a bidirectional lead screw is rotatably connected to the inner wall of the bearing seat, and the number of bearing seats is two.

[0017] By adopting the above technical solution and setting a bearing housing, the bidirectional lead screw is supported and fixed.

[0018] A further feature of this invention is that: a brake motor is fixedly connected to the inner bottom wall of the chassis; a drive gear is fixedly connected to the output end of the brake motor; a driven gear meshes with one side of the drive gear; the driven gear is sleeved with a bidirectional lead screw; a limit block is threadedly connected to the outer surface of the bidirectional lead screw; a support rod is fixedly connected to the top of the limit block; a movable seat is fixedly connected to the top of the support rod; and the movable seat is fixedly connected to the fixed seat.

[0019] By adopting the above technical solution, and by setting up a bidirectional lead screw, a brake motor, a drive gear, a driven gear, a limit block, a support rod, and a moving seat, in actual use, the brake motor drives the drive gear to rotate when it is working. Through the transmission of the drive gear and the driven gear, the bidirectional lead screw is driven to rotate, which in turn drives the two limit blocks to drive the two moving seats to move in opposite directions or in opposite directions through the support rod. This realizes the adjustment of the distance between the two fixed seats above the moving seats, thereby realizing the adjustment of the fixed position of the aluminum alloy profile by the device, enhancing the applicability of the device, and making the device applicable to aluminum alloy profiles of different lengths.

[0020] A further feature of this invention is that: a transverse slide rod is fixedly connected to the inner wall of the chassis, a sliding sleeve is slidably connected to the outer surface of the transverse slide rod, the sliding sleeve is inserted into the support rod, and a baffle is sleeved on the outer wall of the transverse slide rod.

[0021] By adopting the above technical solution and setting up a transverse slide bar and a sliding sleeve, the stability of the moving seat during movement can be effectively improved.

[0022] A further feature of this invention is that a door is hinged to the outer surface of the chassis, a handle is fixedly connected to the outer surface of the door, and casters are fixedly connected to the bottom of the chassis.

[0023] By adopting the above technical solution, and by setting up a door and handle, it is convenient for staff to open the machine to perform routine maintenance such as applying lubricating oil to the internal bidirectional lead screw. By setting up pulleys, it is convenient for staff to move the device, thus enhancing the ease of use of the device.

[0024] A further feature of this invention is that: a sliding groove is provided on the upper surface of the workbench, the movable seat is slidably connected to the sliding groove, a limiting groove is provided on the inner bottom wall of the sliding groove, and the support rod is slidably connected to the limiting groove.

[0025] By adopting the above technical solution and setting a sliding groove, the stability of the moving seat during its movement above the worktable can be improved.

[0026] The beneficial effects of this utility model are as follows: By setting up a fixed seat, positioning plate, first bearing seat, threaded rod, rotating shaft, adjusting wheel, screw block, connecting rod, clamping plate, connecting frame, first cylinder, buffer box, spring, limit plate, limit rod, and pressure plate, in use, firstly, one side of the aluminum alloy profile is pressed tightly against the positioning plate, then the adjusting wheel is rotated. When the adjusting wheel rotates, it drives the threaded rod to rotate through the rotating shaft, thereby driving the screw block to move the clamping plate towards the positioning plate through the connecting rod until the clamping plate completely clamps the aluminum alloy profile. Finally, the first cylinder works to drive the buffer box, limit rod, and pressure plate to move downwards until the pressure plate completely presses against the upper surface of the aluminum alloy profile. This design achieves all-round fixation of the aluminum alloy profile, which can effectively prevent the aluminum alloy profile from moving during cutting, ensuring the flatness of the cut and the accuracy of the cutting. Simultaneously, during the downward pressing process, the pressure plate compresses the spring in the buffer box through the limit rod and limit plate, which buffers the upper surface of the aluminum alloy profile during fixation, preventing dents from appearing on the surface of the aluminum alloy profile due to excessive instantaneous pressure from the pressure plate. By incorporating a bidirectional lead screw, a brake motor, a drive gear, a driven gear, limit blocks, a support rod, and a moving seat, in actual use, the brake motor drives the drive gear to rotate. The drive gear and driven gear then drive the bidirectional lead screw to rotate, which in turn drives the two limit blocks to move in opposite directions via the support rod. This allows for adjustment of the distance between the two fixed seats above the moving seats, thereby enabling the device to adjust the fixed position of the aluminum alloy profile. This enhances the applicability of the device, making it suitable for aluminum alloy profiles of different lengths. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the threaded rod in this utility model;

[0030] Figure 3 This is a schematic diagram of the spring structure in this utility model;

[0031] Figure 4 This is a schematic diagram of the bidirectional lead screw in this utility model.

[0032] In the diagram: 1. Workbench; 2. Fixed base; 3. Positioning plate; 4. Cavity; 5. First bearing seat; 6. Threaded rod; 7. Rotating shaft; 8. Adjusting wheel; 9. Screw block; 10. Connecting rod; 11. Clamping plate; 12. Connecting frame; 13. First cylinder; 14. Buffer box; 15. Spring; 16. Limiting plate; 17. Limiting rod; 18. Pressure plate; 19. Fixed bracket; 20. Second cylinder; 21. Motor mounting bracket; 22. Servo motor 23. Cutting saw blade; 24. Saw blade protection groove; 25. Anti-slip mat; 26. Vertical slide bar; 27. Machine housing; 28. Bearing seat; 29. ​​Double-acting lead screw; 30. Brake motor; 31. Drive gear; 32. Driven gear; 33. Limit block; 34. Support rod; 35. Moving seat; 36. Horizontal slide bar; 37. Sliding sleeve; 38. Baffle; 39. Box door; 40. Handle; 41. Pulley; 42. Sliding groove; 43. Limit groove. Detailed Implementation

[0033] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0034] Reference Figure 1-4A cutting device for processing aluminum alloy doors and windows includes a workbench 1. A fixed seat 2 is provided on the upper surface of the workbench 1. A positioning plate 3 is fixedly connected to the upper surface of the fixed seat 2. A cavity 4 is formed inside the fixed seat 2. A first bearing seat 5 is fixedly connected to the inner wall of the cavity 4. A threaded rod 6 is rotatably connected to the inner wall of the first bearing seat 5. A rotating shaft 7 is fixedly connected to one end of the threaded rod 6. An adjusting wheel 8 is fixedly connected to the end of the rotating shaft 7 away from the threaded rod 6. A screw block 9 is threadedly connected to the outer surface of the threaded rod 6. A connecting rod 10 is fixedly connected to the top of the screw block 9. A clamping plate 11 is fixedly connected to the top of the connecting rod 10. A connecting frame 12 is fixedly connected to one side of the clamping plate 11. A first cylinder 13 is inserted into the top of the connecting frame 12. A buffer box 14 is fixedly connected to the output end. A spring 15 is fixedly connected to the inner top wall of the buffer box 14. A limit plate 16 is fixedly connected to the bottom of the spring 15. A limit rod 17 is fixedly connected to the bottom of the limit plate 16. A pressure plate 18 is fixedly connected to the bottom of the limit rod 17. By setting a fixed seat 2, a positioning plate 3, a first bearing seat 5, a threaded rod 6, a rotating shaft 7, an adjusting wheel 8, a screw block 9, a connecting rod 10, a clamping plate 11, a connecting frame 12, a first cylinder 13, a buffer box 14, a spring 15, a limit plate 16, a limit rod 17, and a pressure plate 18, in use, first, one side of the aluminum alloy profile is pressed against the positioning plate 3, and then the adjusting wheel 8 is rotated. When the adjusting wheel 8 rotates, it drives the threaded rod 6 to rotate through the rotating shaft 7, thereby driving the screw... Block 9 moves the clamping plate 11 towards the positioning plate 3 via the connecting rod 10 until the clamping plate 11 fully clamps the aluminum alloy profile. Finally, the first cylinder 13 operates, causing the buffer box 14, the limiting rod 17, and the pressure plate 18 to move downwards until the pressure plate 18 fully presses the upper surface of the aluminum alloy profile. This design achieves all-round fixation of the aluminum alloy profile, effectively preventing the aluminum alloy profile from moving during cutting, ensuring the flatness of the cut and the accuracy of the cutting. At the same time, during the downward pressing process, the pressure plate 18 compresses the spring 15 in the buffer box 14 through the limiting rod 17 and the limiting plate 16, which can buffer the upper surface of the aluminum alloy profile during fixation, preventing the surface of the aluminum alloy profile from being concave due to excessive instantaneous pressure from the pressure plate 18. The workbench 1 has a fixed support 19 fixedly connected to its top. A second cylinder 20 is fixedly connected to one end of the fixed support 19. A motor mounting bracket 21 is fixedly connected to the output end of the second cylinder 20. A servo motor 22 is fixedly connected to the inner wall of the motor mounting bracket 21. A cutting saw blade 23 is fixedly connected to the output end of the servo motor 22. The second cylinder 20 drives the cutting saw blade 23. During the cutting operation, the second cylinder 20 drives the cutting saw blade 23 to move downwards, thus completing the cutting of the aluminum alloy profile. A saw blade protection groove 24 is provided on the upper surface of the workbench 1. The saw blade protection groove 24 is located directly below the cutting saw blade 23, and it serves to protect the cutting saw blade 23.To prevent the cutting saw blade 23 from directly contacting the surface of the workbench 1 and damaging the saw teeth of the cutting saw blade 23, two fixing bases 2, two positioning plates 3, and two clamping plates 11 are provided. Anti-slip pads 25 are fixedly connected to the outer surfaces of the positioning plates 3 and the clamping plates 11, totaling four anti-slip pads 25. By providing anti-slip pads 25, the friction between the positioning plates 3 and the clamping plates 11 and the aluminum alloy profile is effectively increased, thereby enhancing the fastening force on the aluminum alloy profile. A vertical sliding rod 26 is fixedly connected to the inner top wall of the buffer box 14. Limiting holes are provided on the upper surface of the limiting plate 16, and the limiting plate 16 is slidably connected to the vertical sliding rod 26 through the limiting holes. By providing the vertical sliding rod 26 and the limiting holes, the stability of the limiting plate 16 during movement is improved, thereby enhancing the stability of the pressure plate 18. To ensure stability during clamping and fixing, a housing 27 is fixedly connected to the top of the workbench 1. A bearing seat 28 is fixedly connected to the inner wall of the housing 27. A double-acting lead screw 29 is rotatably connected to the inner wall of the bearing seat 28. There are two bearing seats 28, which support and fix the double-acting lead screw 29. A brake motor 30 is fixedly connected to the inner bottom wall of the housing 27. A drive gear 31 is fixedly connected to the output end of the brake motor 30. A driven gear 32 meshes with one side of the drive gear 31 and is sleeved with the double-acting lead screw 29. A limit block 33 is threadedly connected to the outer surface of the double-acting lead screw 29. A support rod 34 is fixedly connected to the top of the limit block 33. A movable seat 35 is fixedly connected to the top of the support rod 34. 5 is fixedly connected to the fixed base 2. By setting up a bidirectional lead screw 29, a brake motor 30, a drive gear 31, a driven gear 32, a limit block 33, a support rod 34, and a movable base 35, in actual use, the brake motor 30 drives the drive gear 31 to rotate. Through the transmission of the drive gear 31 and the driven gear 32, the bidirectional lead screw 29 rotates, thereby driving the two limit blocks 33 to drive the two movable bases 35 to move in opposite directions via the support rod 34. This achieves the adjustment of the distance between the two fixed bases 2 above the movable base 35, thus realizing the adjustment of the fixed position of the aluminum alloy profile, enhancing the applicability of the device, and making it suitable for aluminum alloy profiles of different lengths. The inner wall of the casing 27 is fixedly connected... A transverse slide rod 36 is connected, and a sliding sleeve 37 is slidably connected to the outer surface of the transverse slide rod 36. The sliding sleeve 37 is inserted into the support rod 34. A baffle 38 is sleeved on the outer wall of the transverse slide rod 36. By setting the transverse slide rod 36 and the sliding sleeve 37, the stability of the moving seat 35 during movement can be effectively improved. A door 39 is hinged to the outer surface of the housing 27, and a handle 40 is fixedly connected to the outer surface of the door 39. A pulley 41 is fixedly connected to the bottom of the housing 27. By setting the door 39 and the handle 40, it is convenient for the staff to open the housing 27 to perform routine maintenance such as applying lubricating oil to the internal bidirectional lead screw 29. By setting the pulley 41, it is convenient for the staff to move the device, enhancing the ease of use of the device. A sliding groove 42 is opened on the upper surface of the workbench 1.The movable seat 35 is slidably connected to the sliding groove 42. A limiting groove 43 is formed on the inner bottom wall of the sliding groove 42, and the support rod 34 is slidably connected to the limiting groove 43. By setting the sliding groove 42, the stability of the movable seat 35 during its movement above the worktable 1 can be improved.

[0035] In this utility model, by setting a fixed seat 2, a positioning plate 3, a first bearing seat 5, a threaded rod 6, a rotating shaft 7, an adjusting wheel 8, a screw block 9, a connecting rod 10, a clamping plate 11, a connecting frame 12, a first cylinder 13, a buffer box 14, a spring 15, a limiting plate 16, a limiting rod 17, and a pressure plate 18, in use, firstly, one side of the aluminum alloy profile is pressed tightly against the positioning plate 3, and then the adjusting wheel 8 is rotated. When the adjusting wheel 8 rotates, it drives the threaded rod 6 to rotate through the rotating shaft 7, thus... The drive screw 9, via the connecting rod 10, moves the clamping plate 11 towards the positioning plate 3 until the clamping plate 11 fully clamps the aluminum alloy profile. Finally, the first cylinder 13 operates, causing the buffer box 14, the limit rod 17, and the pressure plate 18 to move downwards until the pressure plate 18 fully presses against the upper surface of the aluminum alloy profile. This design achieves omnidirectional fixation of the aluminum alloy profile, effectively preventing movement during cutting, ensuring a smooth cut and precise cutting. During the downward pressing process, the pressure plate 18 compresses the spring 15 inside the buffer box 14 through the limiting rod 17 and the limiting plate 16, which can buffer the upper surface of the aluminum alloy profile and prevent the surface of the aluminum alloy profile from being dented due to excessive instantaneous pressure from the pressure plate 18. By setting up a bidirectional lead screw 29, a brake motor 30, a drive gear 31, a driven gear 32, a limiting block 33, a support rod 34, and a moving seat 35, in actual use, the brake motor 30 drives the drive gear 31 to rotate when working. Through the transmission of the drive gear 31 and the driven gear 32, the bidirectional lead screw 29 is driven to rotate, which in turn drives the two limiting blocks 33 to drive the two moving seats 35 to move in opposite directions or towards each other through the support rod 34. This realizes the adjustment of the distance between the two fixed seats 2 above the moving seat 35, thereby realizing the adjustment of the fixed position of the aluminum alloy profile by the device, enhancing the applicability of the device, and making the device applicable to aluminum alloy profiles of different lengths.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cutting device for processing aluminum alloy doors and windows, comprising a workbench (1), characterized in that: A fixed seat (2) is provided on the upper surface of the workbench (1). A positioning plate (3) is fixedly connected to the upper surface of the fixed seat (2). A cavity (4) is opened inside the fixed seat (2). A first bearing seat (5) is fixedly connected to the inner wall of the cavity (4). A threaded rod (6) is rotatably connected to the inner wall of the first bearing seat (5). A rotating shaft (7) is fixedly connected to one end of the threaded rod (6). An adjusting wheel (8) is fixedly connected to the end of the rotating shaft (7) away from the threaded rod (6). A screw block (9) is threadedly connected to the outer surface of the threaded rod (6). The top of the screw block (9) is fixedly connected to... There is a connecting rod (10), and a clamping plate (11) is fixedly connected to the top of the connecting rod (10). A connecting frame (12) is fixedly connected to one side of the clamping plate (11). A first cylinder (13) is inserted into the top of the connecting frame (12). A buffer box (14) is fixedly connected to the output end of the first cylinder (13). A spring (15) is fixedly connected to the inner top wall of the buffer box (14). A limit plate (16) is fixedly connected to the bottom of the spring (15). A limit rod (17) is fixedly connected to the bottom of the limit plate (16). A pressure plate (18) is fixedly connected to the bottom of the limit rod (17).

2. The cutting device for processing aluminum alloy doors and windows according to claim 1, characterized in that: A fixed bracket (19) is fixedly connected to the top of the workbench (1). A second cylinder (20) is fixedly connected to one end of the fixed bracket (19). A motor mounting bracket (21) is fixedly connected to the output end of the second cylinder (20). A servo motor (22) is fixedly connected to the inner wall of the motor mounting bracket (21). A cutting saw blade (23) is fixedly connected to the output end of the servo motor (22).

3. The cutting device for processing aluminum alloy doors and windows according to claim 1, characterized in that: The upper surface of the workbench (1) is provided with a saw blade protection groove (24), which is located directly below the cutting saw blade (23).

4. The cutting device for processing aluminum alloy doors and windows according to claim 1, characterized in that: The number of the fixed base (2), the positioning plate (3) and the clamping plate (11) are all two. The outer surfaces of the positioning plate (3) and the clamping plate (11) are fixedly connected with anti-slip pads (25), and the number of anti-slip pads (25) is four.

5. The cutting device for processing aluminum alloy doors and windows according to claim 1, characterized in that: The inner top wall of the buffer box (14) is fixedly connected to a vertical slide rod (26), and the upper surface of the limiting plate (16) is provided with a limiting hole. The limiting plate (16) is slidably connected to the vertical slide rod (26) through the limiting hole.

6. The cutting device for processing aluminum alloy doors and windows according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected to a housing (27), and the inner wall of the housing (27) is fixedly connected to a bearing seat (28). The inner wall of the bearing seat (28) is rotatably connected to a two-way lead screw (29), and there are two bearing seats (28).

7. A cutting device for processing aluminum alloy doors and windows according to claim 6, characterized in that: A brake motor (30) is fixedly connected to the inner bottom wall of the chassis (27). A drive gear (31) is fixedly connected to the output end of the brake motor (30). A driven gear (32) meshes with one side of the drive gear (31). The driven gear (32) is sleeved with a double-acting screw (29). A limit block (33) is threadedly connected to the outer surface of the double-acting screw (29). A support rod (34) is fixedly connected to the top of the limit block (33). A movable seat (35) is fixedly connected to the top of the support rod (34). The movable seat (35) is fixedly connected to the fixed seat (2).

8. A cutting device for processing aluminum alloy doors and windows according to claim 6, characterized in that: The inner wall of the chassis (27) is fixedly connected to a transverse slide rod (36), and a sliding sleeve (37) is slidably connected to the outer surface of the transverse slide rod (36). The sliding sleeve (37) is inserted into the support rod (34), and a baffle (38) is sleeved on the outer wall of the transverse slide rod (36).

9. A cutting device for processing aluminum alloy doors and windows according to claim 6, characterized in that: The outer surface of the chassis (27) is hinged with a door (39), the outer surface of the door (39) is fixedly connected with a handle (40), and the bottom of the chassis (27) is fixedly connected with a pulley (41).

10. A cutting device for processing aluminum alloy doors and windows according to claim 1, characterized in that: The upper surface of the workbench (1) is provided with a sliding groove (42), the movable seat (35) is slidably connected to the sliding groove (42), the inner bottom wall of the sliding groove (42) is provided with a limiting groove (43), and the support rod (34) is slidably connected to the limiting groove (43).

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