Aluminum profile cutting device for curtain wall construction

Abstract

The invention provides an aluminum profile cutting device for curtain wall construction, relates to the technology of cutting devices, and particularly discloses a base, a cutting platform is mounted on the base, a first rotating seat is rotationally arranged on the base, a second rotating seat is rotationally arranged on the first rotating seat, and a cutter is rotationally arranged on the second rotating seat. A driving structure in transmission connection with the cutter is mounted on the second rotating seat; a fixing table is installed on the base, a rotating hole coaxial with the first rotating seat is formed in the fixing table, a rotating shaft is rotationally arranged in the rotating hole and is in transmission connection with the first rotating seat, an adjusting gear is installed at the end, away from the first rotating seat, of the rotating shaft, and a rack meshed with the adjusting gear is installed on the base. A first driving mechanism for controlling the rack to reciprocate is mounted on the base, and the adjusting mechanism is used for controlling the meshing relation between the adjusting gear and the rack and locking the rotating shaft on the fixing table, so that the first rotating seat is fixed at a specific angle, and the cutting precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cutting devices, and in particular to an aluminum profile cutting device used for curtain wall construction. Background Art

[0002] The cutting of aluminum alloy door and window profiles is a key processing step, which directly affects the dimensional accuracy, appearance quality and assembly efficiency of doors and windows. Common cutting methods are manual sawing and precision sliding table saw. The traditional method is to use a hand saw or an electric circular saw for cutting. This method is suitable for small batches or non-precise cutting needs on site, but it is inefficient and requires high skills of the operator, and is prone to large cutting errors and burrs. Precision sliding table saw: In door and window processing plants, precision sliding table saw is a common equipment that can achieve high cutting accuracy and good cutting surface quality. By setting the size, the material is automatically fed in, and the saw blade falls to complete the cutting. It is suitable for large-scale standardized production, but due to its huge size, it is not easy to carry to the construction site.

[0003] The most common process for beveling aluminum profiles is to cut a 45° bevel, but beveling at other angles is not excluded. When cutting at different angles, the cutting angle is generally adjusted by adjusting the angle of the cutting machine, or by changing the angle of the baffle bar. During actual cutting, the cutting position of the aluminum profile needs to be manually adjusted. The cutting accuracy is not high, and most of the unnecessary scraps are generated after cutting, resulting in a waste of aluminum profile materials. In addition, the saw blade will bounce slightly during the processing, affecting the accuracy of aluminum profile cutting. In addition, debris will be mixed on its surface during the cutting process. At the same time, the saw teeth will expand due to heat due to high friction, and the aluminum profile will adhere to the saw blade, eventually causing the workpiece material to clamp the saw blade, causing equipment failure. Summary of the invention

[0004] The object of the present invention is to provide an aluminum profile cutting device for curtain wall construction, which can solve the problems raised by the above-mentioned background technology in view of the shortcomings of the prior art.

[0005] The technical solution of the present invention is achieved in this way: The invention provides an aluminum profile cutting device for curtain wall construction, which includes a base. A cutting platform is installed on the base. A first rotating seat is rotatably provided on the base. A second rotating seat is rotatably provided on the first rotating seat. The rotation center of the first rotating seat is perpendicular to the rotation center of the first rotating seat. A cutter is rotatably provided on the second rotating seat. A driving structure drivingly connected to the cutter is installed on the second rotating seat. A fixed table is installed on the base. A rotation hole coaxial with the first rotating seat is opened on the fixed table. A rotating shaft is rotatably provided in the rotation hole. The rotating shaft is drivingly connected to the first rotating seat. A regulating gear is installed at one end of the rotating shaft away from the first rotating seat. A rack meshing with the regulating gear is installed on the base. A first driving mechanism for controlling the reciprocating movement of the rack is installed on the base. A regulating mechanism for controlling the engagement between the regulating gear and the rack is installed on the base.

[0006] In some technical solutions of the present invention, the first driving mechanism includes an electric push rod installed on the base. The telescopic end of the electric push rod is connected to the rack. A guiding mechanism for guiding the reciprocating movement of the rack is installed on the base.

[0007] In some technical solutions of the present invention, the regulating mechanism includes two paired mounting seats. A limiting groove is opened on the side wall of the fixed table along the movement direction of the rack. The two mounting seats are both slidably arranged in the limiting groove and are respectively located on both sides of the rotating shaft. A groove communicating with the rotation hole is opened on the fixed table. An adjusting rod connected to the rotating shaft is slidably provided in the groove. A first misalignment member for driving the adjusting rod to move towards the first rotating seat is installed on one of the mounting seats. A second misalignment member for driving the adjusting rod to move away from the first rotating seat is installed on the other mounting seat. A second driving mechanism for driving the two mounting seats to reciprocate is installed in the fixed table.

[0008] In some technical solutions of the present invention, the guiding mechanism includes a guiding groove opened on the base along the movement direction of the rack. A guiding block connected to the rack is slidably provided in the guiding groove.

[0009] In some technical solutions of the present invention, the second driving mechanism includes a transmission toothed belt. An installation chamber is opened in the fixed table. Two transmission gears are rotatably provided in the installation chamber. The transmission toothed belt is sleeved on the two transmission gears. Two sliding grooves communicating with the installation chamber are opened on the side wall of the fixed table. The two sliding grooves are respectively located on both sides of the rotating shaft. Connecting rods are respectively inserted into the two sliding grooves. The connecting rod is connected to the mounting seat on the same side. The two connecting rods are respectively connected to the two vertical sections of the transmission toothed belt. A driving motor drivingly connected to one of the transmission gears is installed in the installation chamber.

[0010] In some technical solutions of the present invention, a communication groove is provided on the side wall of the first rotating seat, the rotating shaft passes through the communication groove, several first sinking grooves are provided on the inner side wall of the communication groove, several limiting strips adapted to the first sinking grooves are installed on the outer side wall of the rotating shaft, and several second sinking grooves adapted to the limiting strips are provided on the inner wall of the rotating hole.

[0011] In some technical solutions of the present invention, a fixing mechanism for fixing the cutting object is provided on the cutting platform.

[0012] In some technical solutions of the present invention, the fixing mechanism includes a fixed fixing frame installed on the base, two stabilizing frames are installed on the cutting platform, the stabilizing frames are parallel to the fixed fixing frame, moving fixing frames are slidably provided on the stabilizing frames, guide rods are installed on the stabilizing frames, sliding sleeves are installed on the moving fixing frames, the sliding sleeves are slidably arranged on the guide rods, and an adjusting spring connected to the sliding sleeve is sleeved on the guide rod.

[0013] In some technical solutions of the present invention, two anti-vibration frames coaxial with the tool are installed on the second rotating seat, and a correction roller is rotatably provided on the side wall of the anti-vibration frame opposite to the tool.

[0014] In some technical solutions of the present invention, notches are provided in the middle of the anti-vibration frames, an arc-shaped pressing roller is slidably provided in the notches, adjusting springs are installed at both ends of the pressing roller, and the free ends of the adjusting springs are connected to the inner side walls of the anti-vibration frames.

[0015] Compared with the prior art, the present invention has at least the following advantages or beneficial effects: Through the cooperation of the rack and the adjusting gear, the angle of the first rotating seat can be accurately adjusted, so as to cut the corresponding angle on the aluminum profile, avoiding the waste of the profile. The design of the electric push rod and the guiding mechanism makes the reciprocating movement control of the rack simple and convenient for the operator to operate. The adjusting mechanism can control the meshing relationship between the adjusting gear and the rack, and lock the rotating shaft on the fixing table, so that the first rotating seat is fixed at a specific angle, improving the cutting accuracy. The cooperation of the guiding groove and the guiding block, as well as the cooperation of the limiting strip and the sinking groove of the rotating shaft, ensure the stability and reliability of the whole structure. The multi-axis movement design of the first rotating seat and the second rotating seat enables the tool to be adjusted at multiple angles in the horizontal and vertical directions, meeting different types of cutting requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic three-dimensional structure diagram of the first perspective of the present invention.

[0017] Figure 2 It is a schematic three-dimensional structure diagram of the second perspective of the present invention.

[0018] Figure 3 It is a schematic installation structure diagram of the rotating shaft and the first rotating seat in the present invention.

[0019] Figure 4 This is a schematic three-dimensional structure diagram of the adjustment mechanism in the present invention.

[0020] Figure 5 This is a schematic top view structure diagram of the adjustment mechanism in the present invention.

[0021] Figure 6 This is a schematic bottom view structure diagram of the fixed platform in the present invention.

[0022] Figure 7 This is a schematic cross-sectional structure diagram of the adjustment mechanism in the present invention.

[0023] Figure 8 This is a schematic installation structure diagram of the shockproof frame and the tool in the present invention.

[0024] Figure 9 This is a schematic side view structure diagram of the fixing mechanism in the present invention.

[0025] Figure 10 This is a schematic partial test structure diagram of the shockproof frame and the tool in the present invention.

[0026] Figure 11 This is a schematic installation structure diagram of the driving motor and the transmission belt in the present invention.

[0027] Reference numerals: 1, base; 2, aluminum alloy profile; 3, cutting platform; 4, movable fixing frame; 5, first rotating seat; 6, fixed platform; 7, adjusting gear; 8, second rotating seat; 9, driving structure; 10, tool; 11, fixed fixing frame; 12, electric push rod; 13, rack; 14, guide block; 15, rotating shaft; 16, mounting seat; 17, second misalignment member; 18, first misalignment member; 19, adjusting rod; 20, limiting groove; 21, limiting strip; 22, mounting chamber; 23, sliding groove; 24, connecting rod; 25, transmission gear; 26, transmission belt; 27, shockproof frame; 28, pressing roller; 29, adjusting spring; 30, stabilizing frame; 31, guide rod; 32, position adjusting spring; 33, communication groove; 34, first sinking groove; 35, second sinking groove; 36, driving motor. Detailed implementation manners

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and illustrated in the drawings here can be arranged and designed in various different configurations.

[0029] Accordingly, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0030] Embodiment The present invention provides an aluminum profile cutting device for curtain wall construction, as Figures 1-11 shown The invention comprises a base 1, which is rectangular in shape and has a circular installation opening in the middle thereof. The base 1 is made of metal and is cast. A cutting platform 3 is installed on the base 1. The cutting platform 3 is disc-shaped and is arranged in the installation opening by rotating the shaft rod. The rotating cutting platform 3 can adjust the deflection angle of the material. A first rotating seat 5 is arranged on the base 1 by rotating the shaft rod. The first rotating seat 5 swings in the horizontal direction relative to the cutting platform 3. A second rotating seat 8 is arranged on the first rotating seat 5 by rotating the pin shaft. The second rotating seat 8 swings in the vertical direction relative to the cutting platform 3. The rotation center axis of the first rotating seat 5 is perpendicular to the rotation center axis of the first rotating seat 5. A disc-shaped cutter 10 is arranged on the second rotating seat 8 by rotating the shaft rod. The cutter 10 is detachably arranged on the side wall of the second rotating seat 8. A driving structure 9 connected to the cutter 10 is installed on the second rotating seat 8. The driving structure 9 is a high-horsepower driving motor. The driving motor is fixed to the side wall of the second rotating seat 8 by bolts. A transmission is also installed between the driving motor and the cutter 10. A fixed platform 6 is installed on the base 1, and the fixed platform 6 is integrally formed with the base 1. A rotating hole coaxial with the first rotating seat 5 is opened on the fixed platform 6, and a rotating shaft 15 is rotatably arranged in the rotating hole, and the rotating shaft 15 can reciprocate along the axis of the rotating hole. The rotating shaft 15 is transmission-connected with the first rotating seat 5, and an adjusting gear 7 is installed at the end of the rotating shaft 15 away from the first rotating seat 5. A rack 13 meshing with the adjusting gear 7 is installed on the base 1, and a first driving mechanism for controlling the reciprocating motion of the rack 13 is installed on the base 1. An adjusting mechanism for controlling the meshing state of the adjusting gear 7 and the rack 13 is installed on the base 1. The above structure can adjust the deflection angle of the first rotating seat 5, so as to cut a corresponding angle on the aluminum profile to avoid waste of the profile. In the initial state, the first rotating seat 5 and the cutting platform 3 remain perpendicular to each other. When the first driving mechanism drives the rack 13 to reciprocate in the horizontal direction, that is, when the rack 13 moves to the left, the adjusting gear 7 rotates counterclockwise under the drive of the rack 13, and the first rotating seat 5 connected to the adjusting gear 7 seat through the rotating shaft 15 rotates counterclockwise on the base 1; in this process, the deflection angle of the first rotating seat 5 relative to the base 1 can be adjusted arbitrarily, so that the deflection angle of the tool 10 can be adjusted within the range of 0-140 degrees, which is convenient for users to cut the aluminum profile with the tool 10 at any angle. After the first rotating seat 5 deflects to a certain angle, the adjusting mechanism controls the adjusting gear 7 to disengage from the gear rack 13, and the rotating shaft 15 will be locked on the fixed platform 6 at this time. At this time, the first rotating seat 5 will be fixed at a specific angle, so that the second rotating seat 8 gradually approaches the cutting platform 3 on the first rotating seat 5, and the aluminum profile to be cut can be cut at a suitable angle, thereby improving the cutting accuracy of the aluminum alloy profile 2 of the structure.

[0031] In some technical solutions of the present invention, the first driving mechanism includes an electric push rod 12 installed on the base 1. The telescopic end of the electric push rod 12 is connected to the rack 13, and a guiding mechanism for guiding the reciprocating movement of the rack 13 is installed on the base 1. The body of the electric push rod 12 is fixed to the base 1 by bolts, and the telescopic end of the electric push rod 12 is also fixedly connected to one end of the rack 13 by bolts, so that it is convenient for the operator to control the reciprocating movement of the rack 13 on the base 1.

[0032] In some technical solutions of the present invention, the guiding mechanism includes a guiding groove opened on the base 1 along the movement direction of the rack 13. The cross-section of the guiding groove is wedge-shaped. A guiding block 14 connected to the rack 13 is slidably arranged in the guiding groove. The cross-section of the guiding block 14 is also wedge-shaped. When the guiding block 14 is embedded in the guiding groove, it can prevent the rack 13 connected to it from detaching from the base 1, and the cooperation between the guiding block 14 and the guiding groove can make the rack 13 perform linear reciprocating movement along the horizontal direction on the base 1.

[0033] In some technical solutions of the present invention, the adjusting mechanism includes two pairs of mounting seats 16 arranged in pairs. A limiting groove 20 is opened on the side wall of the fixed table 6 along the movement direction of the rack 13. The cross-section of the limiting groove 20 is wedge-shaped. Both mounting seats 16 are slidably arranged in the limiting groove 20. A wedge-shaped slider is integrally formed on the arranged mounting seats 16, and the wedge-shaped slider is slidably arranged in the limiting groove 20 to avoid the problem that the mounting seats 16 detach from the limiting groove 20. And the two mounting seats 16 are respectively located on both sides of the rotating shaft 15. A groove communicating with the rotating hole is opened on the fixed table 6, and an adjusting rod 19 connected to the rotating shaft 15 is slidably arranged in the groove. Preferably, a bearing is installed on the outer side wall of the rotating shaft 15, and the adjusting rod 19 is integrally formed after being welded to the outer ring of the bearing. A first misalignment member 18 for driving the adjusting rod 19 to move towards the first rotating seat 5 is installed on one of the mounting seats 16; a second misalignment member 17 for driving the adjusting rod 19 to move away from the first rotating seat 5 is installed on the other mounting seat 16, and a second driving mechanism for driving the two mounting seats 16 to reciprocate is installed in the fixed table 6.

[0034] The structures of the first misalignment member 18 and the second misalignment member 17 are similar, and the second misalignment member 17 is formed by mirroring and then flipping the first misalignment member 18.

[0035] The first misalignment member 18 includes a misalignment plate. A U-shaped groove is opened on the side wall of the misalignment plate, and an inclined surface is opened on one of the inner side walls of the U-shaped groove. The reverse extension line of the inclined surface intersects with the other inner side wall of the U-shaped groove, and the included angle is an acute angle.

[0036] In some technical solutions of the present invention, a communication groove 33 is provided on the side wall of the first rotating base 5, the rotating shaft 15 passes through the communication groove 33, and a plurality of first sinking grooves 34 are provided on the inner side wall of the communication groove 33. The first sinking grooves 34 are arranged around the inner wall of the communication groove 33. A plurality of limiting strips 21 adapted to the first sinking grooves 34 are installed on the outer side wall of the rotating shaft 15. The limiting strips 21 are arranged around the outer side wall of the rotating shaft 15. A plurality of second sinking grooves 35 adapted to the limiting strips 21 are provided on the inner wall of the rotating hole.

[0037] In some technical solutions of the present invention, the second driving mechanism includes a flexible transmission toothed belt 26. A rectangular installation chamber 22 is provided in the fixed base 6. Two transmission gears 25 are rotatably provided in the installation chamber 22 through pin shafts. The transmission toothed belt 26 is sleeved on the two transmission gears 25. Two sliding grooves 23 communicating with the installation chamber 22 are provided on the side wall of the fixed base 6. The cross section of the sliding groove 23 is rectangular. The two sliding grooves 23 are respectively located on both sides of the rotating shaft 15, and the two sliding grooves 23 are arranged in a staggered manner. A connecting rod 24 is inserted into each of the two sliding grooves 23. The cross section of the connecting rod 24 is rectangular. The connecting rods 24 on the same side of the rotating shaft 15 are connected to the mounting seat 16. The two connecting rods 24 are respectively connected to the same vertical section of the transmission toothed belt 26. A driving motor 36 drivingly connected to one of the transmission gears 25 is installed in the installation chamber 22. Thus, it is convenient for the operator to control the movement of the first dislocation member 18 and the second dislocation member 17, thereby controlling the meshing relationship between the adjusting gear 7 and the rack 13, and locking the rotating shaft 15 on the fixed base 6, so that the first rotating base 5 is fixed at a specific angle. When the driving motor 36 controls the transmission gear 25 to rotate the transmission toothed belt 26 counterclockwise, the first dislocation member 18 moves linearly to the left as shown in Figure 5 shown, and the adjusting rod 19 enters the U-shaped groove in the first dislocation member 18. At this time, the first dislocation member 18 pushes the adjusting rod 19 to move the rotating shaft 15 in the direction close to the first rotating base 5. At this time, the adjusting gear 7 meshes with the rack 13; when the driving motor controls the transmission gear 25 to rotate the transmission toothed belt 26 clockwise, the second dislocation member 17 moves to the right as shown in Figure 5 shown. At this time, the second dislocation member 17 pushes the adjusting rod 19 to move the rotating shaft 15 in the direction away from the first rotating base 5. At this time, the adjusting gear 7 disengages from the rack 13. Here, the limiting strip 21 on the rotating shaft 15 is inserted into the second sinking groove 35 provided on the inner wall of the rotating hole, thereby realizing the locking of the rotating shaft 15 and the first rotating base 5, and preventing the first rotating base 5 from deflecting under the action of an external force.

[0038] Embodiment 2 In some technical solutions of the present invention, a fixing mechanism for fixing the cutting object is provided on the cutting platform 3. The fixing mechanism can fix the aluminum alloy profile 2 to be cut on the cutting platform 3, preventing problems such as tool jumping when the tool 10 cuts the aluminum alloy profile 2.

[0039] In some technical solutions of the present invention, the fixing mechanism includes a fixed fixing frame 11 installed on the base 1. The fixed fixing frame 11 is fixed to the cutting platform 3 by bolts, serving the purpose of positioning the aluminum alloy profile 2 to be cut. Two stabilizing frames 30 are installed on the cutting platform 3. The stabilizing frames 30 are parallel to the fixed fixing frame 11 and are fixed to the cutting platform 3 by bolts. The distance between the stabilizing frames 30 and the fixed fixing frame 11 is adjustable. A guiding rod 31 is installed on the stabilizing frame 30. The moving fixing frame 4 is equipped with a sliding sleeve, and the sliding sleeve is slidably arranged on the guiding rod 31. An adjusting spring 32 connected to the sliding sleeve is sleeved on the guiding rod 31. Through the above structure, the distance between the fixed fixing frame 11 and the moving fixing frame 4 can be adjusted to adapt to aluminum alloy profiles 2 of different sizes.

[0040] Preferably, a wedge-shaped chute 23 is formed on the stabilizing frame 30, and a sliding strip adapted to the wedge-shaped chute 23 is integrally formed on the moving fixing frame 4, which can guide the moving fixing frame 4 to perform linear reciprocating motion along the installation direction of the guiding rod 31 on the stabilizing frame 30.

[0041] Embodiment 3 In some technical solutions of the present invention, two shock-proof frames 27 coaxial with the tool 10 are installed on the second rotating seat 8. The two shock-proof frames 27 are located on both sides of the tool 10, and the shock-proof frames 27 are fixed to the side wall of the second rotating seat 8 by bolts, and both shock-proof frames 27 are in a V shape. A correction roller is rotatably provided on the side wall of the shock-proof frame 27 opposite to the tool 10. The correction roller is in a strip shape, and its outer circumferential surface is in contact with the tool 10, as Figure 10 shown. When the tool 10 contacts the aluminum alloy profile 2 fixed on the cutting platform 3 in a rotating state for an instant, the disc-shaped tool 10 will undergo slight deformation. The two shock-proof frames 27 and the correction roller provided clamp it, which can offset the deformation that occurs to the tool 10 in the above process, ensuring that the outer extension of the tool disc will not deviate from the rotation plane due to centrifugal force or other external factors during the process of the tool 10 cutting the aluminum alloy profile 2, and no problems such as burrs or damage to the tool 10 will occur.

[0042] The provided correction roller can remove the aluminum alloy adhesives attached to the surface of the tool 10 during the process of the tool 10 cutting the aluminum alloy profile 2. And the correction roller can also serve the purpose of accelerating the heat dissipation of the tool disc, preventing the problem that the service life of the tool disc is reduced due to overheating.

[0043] Preferably, the provided shock-proof frame 27 is in a six-pointed star shape.

[0044] In some technical solutions of the present invention, notches are formed in the middle of the shockproof frame 27, and the notches are the V-shaped regions of the V-shaped shockproof frame 27. Through grooves are formed in both vertical sections of the shockproof frame 27. An arc-shaped downward pressing roller 28 is slidably arranged in the notch. Both ends of the downward pressing roller 28 are slidably arranged in the through grooves. Adjusting springs 29 are installed at both ends of the downward pressing roller 28, and the adjusting springs 29 are connected to the inner side of the shockproof frame 27. Thus, during the process of the cutter 10 cutting the aluminum alloy profile 2, as the cutter 10 gradually penetrates into the aluminum alloy profile 2, the aluminum alloy profile 2 exerts a thrust on the downward pressing roller 28, causing the downward pressing roller 28 to move away from the aluminum alloy profile 2 in the through groove, and the adjusting spring 29 exerts a downward pressure on the downward pressing roller 28 to limit the aluminum alloy profile 2 to be cut on the cutting platform 3, preventing the aluminum alloy profile 2 from bouncing during the cutting process.

[0045] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An aluminum profile cutting device for curtain wall construction, characterized in that The invention comprises a base (1), wherein a cutting platform (3) is mounted on the base (1), a first rotating seat (5) is rotatably mounted on the base (1), a second rotating seat (8) is rotatably mounted on the first rotating seat (5), and the rotation center of the first rotating seat (5) is perpendicular to the rotation center of the first rotating seat (5); a tool (10) is rotatably mounted on the second rotating seat (8), and a driving structure (9) connected to the tool (10) is mounted on the second rotating seat (8); a fixed platform (6) is mounted on the base (1), and a driving structure (9) connected to the tool (10) is provided on the fixed platform (6). The first rotating seat (5) is coaxial with a rotating hole, a rotating shaft (15) is rotatably arranged in the rotating hole, the rotating shaft (15) is transmission-connected to the first rotating seat (5), an adjusting gear (7) is mounted on one end of the rotating shaft (15) away from the first rotating seat (5), a rack (13) meshing with the adjusting gear (7) is mounted on the base (1), a first driving mechanism for controlling the reciprocating motion of the rack (13) is mounted on the base (1), and an adjusting mechanism for controlling the meshing of the adjusting gear (7) with the rack (13) is mounted on the base (1).

2. The aluminum profile cutting device for curtain wall construction according to claim 1, characterized in that, The first driving mechanism comprises an electric push rod (12) mounted on the base (1), the telescopic end of the electric push rod (12) being connected to the rack (13), and a guiding mechanism for guiding the reciprocating motion of the rack (13) being mounted on the base (1).

3. The aluminum profile cutting device for curtain wall construction according to claim 1, characterized in that, The adjustment mechanism comprises two mounting seats (16) arranged in pairs, a limiting groove (20) is provided on the side wall of the fixed platform (6) along the movement direction of the rack (13), the two mounting seats (16) are both slidably arranged in the limiting groove (20), and the two mounting seats (16) are respectively located on both sides of the rotating shaft (15), a groove communicating with the rotating hole is provided on the fixed platform (6), and an adjustment rod (19) connected to the rotating shaft (15) is slidably arranged in the groove, one of the mounting seats (16) is provided with a first misalignment member (18) for driving the adjustment rod (19) to move toward the first rotating seat (5); the other mounting seat (16) is provided with a second misalignment member (17) for driving the adjustment rod (19) to move away from the first rotating seat (5), and a second driving mechanism for driving the two mounting seats (16) to reciprocate is installed in the fixed platform (6).

4. The aluminum profile cutting device for curtain wall construction according to claim 2, characterized in that, The guide mechanism comprises a guide groove formed on the base (1) along the moving direction of the rack (13), wherein a guide block (14) connected to the rack (13) is slidably disposed in the guide groove.

5. The aluminum profile cutting device for curtain wall construction according to claim 3, characterized in that, A connecting groove (33) is provided on the side wall of the first rotating seat (5), the rotating shaft (15) is inserted into the connecting groove (33), a plurality of first sunken grooves (34) are provided on the inner side wall of the connecting groove (33), a plurality of limit strips (21) adapted to the first sunken grooves (34) are installed on the outer side wall of the rotating shaft (15), and a plurality of second sunken grooves (35) adapted to the limit strips (21) are provided on the inner wall of the rotating hole.

6. The aluminum profile cutting device for curtain wall construction according to claim 5, characterized in that, The second driving mechanism includes a transmission toothed belt (26). An installation chamber (22) is formed in the fixed platform (6). Two transmission gears (25) are rotatably arranged in the installation chamber (22). The transmission toothed belt (26) is sleeved on the two transmission gears (25). Two chutes (23) communicating with the installation chamber (22) are formed in the side wall of the fixed platform (6). The two chutes (23) are respectively located on both sides of the rotating shaft (15). Connecting rods (24) are respectively inserted into the two chutes (23). The connecting rod (24) is connected to the mounting seat (16) on the same side. The two connecting rods (24) are respectively connected to the same vertical section of the transmission toothed belt (26). A driving motor (36) drivingly connected to one of the transmission gears (25) is installed in the installation chamber (22).

7. A cutting device for aluminum profiles used in curtain wall construction according to claim 1, characterized in that, A fixing mechanism for fixing the cutting object is provided on the cutting platform (3).

8. The aluminum profile cutting device for curtain wall construction according to claim 7, characterized in that, The fixing mechanism includes a fixed fixing frame (11) installed on the base (1). Two stabilizing frames (30) are installed on the cutting platform (3). The stabilizing frames (30) are parallel to the fixed fixing frame (11). Moving fixing frames (4) are slidably arranged on the stabilizing frames (30). Guide rods (31) are installed on the stabilizing frames (30). The moving fixing frame (4) is provided with a sliding sleeve. The sliding sleeve is slidably arranged on the guide rod (31). An adjusting spring (32) connected to the sliding sleeve is sleeved on the guide rod (31).

9. A cutting device for aluminum profiles used in curtain wall construction according to any one of claims 1-8, characterized in that, Two shockproof frames (27) coaxial with the cutter (10) are installed on the second rotating seat (8). Correction rollers are rotatably arranged on the side walls of the shockproof frames (27) opposite to the cutter (10).

10. The aluminum profile cutting device for curtain wall construction according to claim 9, characterized in that, Notches are respectively formed in the middle of the shockproof frames (27). Arc-shaped pressing rollers (28) are slidably arranged in the notches. Adjusting springs (29) are installed at both ends of the pressing roller (28). The free ends of the adjusting springs (29) are connected to the inner side walls of the shockproof frames (27).

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