An aluminium alloy profile cutting device

Abstract

This invention discloses an aluminum alloy profile cutting device, relating to the field of pipe cutting technology. The device includes a frame with an operating table welded to its top, the upper surface of which has a limit groove. The frame provides a stable and highly rigid foundation for the entire cutting device, ensuring that the machine does not shake or shift during cutting and rotation, thus guaranteeing processing accuracy. A first stepper motor is fixed to the inner wall of the operating table; a second stepper motor is fixed to the upper surface of the operating table; and a drive mechanism is used to rotate the aluminum alloy profile, also fixed to the upper surface of the operating table. This drive mechanism is the core and execution hub for the aluminum alloy profile cutting device to achieve multi-angle precision cutting, preventing the aluminum alloy profile from loosening during the cutting process.

Description

Technical Field

[0001] This invention relates to the field of pipe cutting technology, specifically to an aluminum alloy profile cutting device. Background Technology

[0002] Aluminum alloy profiles are a basic industrial material made primarily of aluminum through a series of precision processes including smelting, extrusion, and aging. They possess lightweight, high strength, corrosion resistance, ease of processing and forming, diverse surface treatments (such as anodizing, spraying, and electrophoresis), and excellent thermal and electrical conductivity. Due to these properties, aluminum alloy profiles are widely used in key sectors of the national economy: in building curtain walls and window systems, they balance structural strength with aesthetic design; in transportation, they are core materials for high-speed rail carriages, lightweight automotive components, and aerospace parts; in machinery and automated production lines, they form a robust yet lightweight frame structure; and they are also crucial support for emerging technology industries such as solar photovoltaic brackets and electronic appliance heat sinks.

[0003] During the cutting and processing of aluminum alloy profiles, if the workpiece becomes loose or is not securely clamped, the looseness will directly lead to deviations in the cutting dimensions, resulting in irregular tilts, burrs, or even chipping of the cut. This severely damages the geometric accuracy and cross-sectional quality of the profile, making subsequent splicing and assembly impossible, and causing product scrap or rework. High-speed cutting in a loose state is prone to causing abnormal vibration or even wobble of the cutting tool. This not only accelerates abnormal wear and chipping of the tool, shortening its service life and increasing production costs, but may also cause cutting fragments to fly due to sudden uneven force, posing a direct threat to the personal safety of the operator. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution: an aluminum alloy profile cutting device, comprising a frame, wherein an operating table is welded to the top of the frame, and a limit groove is formed on the upper surface of the operating table. By setting up the frame, a stable and highly rigid bearing and installation foundation is provided for the entire cutting device, ensuring that the whole machine does not shake or shift during cutting and rotation, which is the cornerstone for ensuring processing accuracy; The first stepper motor is fixed to the inner wall of the operating table; The second stepper motor is fixed on the upper surface of the operating table; A drive mechanism is used to rotate the aluminum alloy profile. The drive mechanism is fixed to the upper surface of the operating table. By setting up the drive mechanism, the core hub and execution center of the aluminum alloy profile cutting device can realize the multi-angle precision cutting function. Its function is far more than simply "driving the aluminum alloy profile to rotate". It is a composite functional system that integrates precise indexing and positioning, stable rotation support and coordinated linkage with the cutting motion. A positioning unit is used to position and clamp aluminum alloy profiles, and the positioning unit is fixed on the outer surface of the drive mechanism. The drive mechanism includes a limiting frame welded to the upper surface of the operating table. A rotating ring is rotatably connected to the outer surface of the limiting frame, and a rotating frame is welded to the outer surface of the rotating ring. The limiting frame serves as a fixed support, on which the rotating ring achieves precise rotation. The rotating frame serves as a rigid frame supporting the positioning unit. The three components work together to convert the rotational power of the second stepper motor into precise indexing rotation of the profile. The positioning unit includes a positioning mechanism and a pressing mechanism. The positioning mechanism is fixed to the upper surface of the rotating frame, and the pressing mechanism is fixed to the inner cavity of the rotating frame. By setting up the positioning unit, a multi-functional clamping system integrating end-face positioning and side clamping is integrated. The positioning mechanism is responsible for axial positioning and end clamping of the profile to determine the cutting reference; the pressing mechanism applies a uniform clamping force to the profile from the side to prevent displacement or vibration during cutting or rotation. The two work together to ensure processing stability and accuracy.

[0005] Preferably, the output end of the first stepper motor is equipped with a first rotating rod via a coupling, and a cutting disc is welded to the end of the first rotating rod. The cutting disc passes through the operating table and extends to the lower surface of the operating table.

[0006] Preferably, an arc-shaped sliding plate is welded to the bottom end of the rotating frame, and the arc-shaped sliding plate is slidably connected to the limiting groove opened on the upper surface of the operating table. An arc-shaped toothed plate is welded to the side of the lower surface of the rotating frame away from the limiting frame. The arc-shaped toothed plate passes through the operating table. The output end of the second stepper motor is equipped with a second rotating rod through a coupling. A gear is welded to the end of the second rotating rod, and the gear meshes with the arc-shaped toothed plate.

[0007] Preferably, the positioning mechanism includes a positioning plate, which is welded to the upper surface of the rotating frame near the rotating ring. A rubber ring is fixed to the outer surface of the positioning plate, and a fixing frame is welded to the outer surface of the positioning plate away from the rubber ring. A hydraulic cylinder is fixed to the inner wall of the fixing frame.

[0008] Preferably, the output end of the hydraulic cylinder is provided with a moving rod, and the end of the moving rod is welded with a tapered column. The inclined surface of the tapered column is provided with an anti-slip groove, and the tapered column is slidably connected to the inner cavity of the positioning plate.

[0009] Preferably, a limiting box is welded to the side of the positioning plate away from the fixed frame, and a sliding frame is slidably connected to the inner cavity of the limiting box. The outer surface of the sliding frame is frictionally adapted to the outer surface of the tapered column. The shape of the sliding frame is consistent with the slot shape of the aluminum alloy profile. A first spring is welded to one end of the sliding frame located in the limiting box, and the end of the first spring is welded to the inner wall of the limiting box. An anti-slip strip is welded to the end of the sliding frame away from the limiting box.

[0010] Preferably, the extrusion mechanism includes a support frame, which is welded to the bottom surface of the inner cavity of the rotating frame. A track rod is fixedly provided at the end of the support frame. A sliding sleeve is slidably connected to the outer surface of the track rod. A fixed frame is welded to the upper surface of the sliding sleeve. An extrusion plate is welded to the end of the fixed frame. A soft pad is fixed to the inner surface of the extrusion plate. An anti-slip plate is welded to the outer surface of the soft pad.

[0011] Preferably, a connecting frame is welded to the lower surface of the track rod, a track plate is welded to the bottom end of the connecting frame, a connecting pipe is welded to the lower surface of the track plate, a connecting box is passed through the end of the connecting pipe, a high-pressure air pump is passed through the outer surface of the connecting box, and the connecting pipe is fixed to the bottom surface of the inner cavity of the rotating frame.

[0012] Preferably, a bend is slidably connected to the inner cavity of the connecting pipe. The bend is a U-shaped pipe with an overall elongated U-shaped bend structure, including two parallel straight sections and an arc-shaped transition section. The cross-section of the straight sections is a rectangular hollow shape. The arc-shaped transition section connects the ends of the two straight sections, and its cross-section is consistent with the rectangular hollow shape of the straight sections. The curvature of the arc-shaped transition section makes the two straight sections parallel. The straight sections of the bend are tightly slidably connected to the inner cavity of the connecting pipe. A limiting tube passes through the end of the bend away from the connecting pipe. The limiting tube is welded to the inner wall of the sliding sleeve. A sliding block is welded to the lower surface of the limiting tube. The sliding block is slidably connected to the upper surface of the track plate.

[0013] Preferably, a barrier frame is welded to the inner wall of the limiting tube, and a sliding column is slidably connected to the inner cavity of the barrier frame. The top end of the sliding column is tightly slidably connected to the inner cavity of the limiting tube. A second spring is sleeved on the outer surface of the sliding column, and the bottom end of the second spring is welded to the upper surface of the barrier frame. A locking post is welded to the top end of the sliding post, and a locking box is welded to the inner cavity of the track rod. The locking post is frictionally adapted to the inner wall of the locking box. The locking box has a toothed groove cross-section and is an overall elongated groove structure, including a groove base and toothed protrusions. The groove base is an elongated groove with an opening. The toothed protrusions are continuously and evenly distributed along the length direction of the groove base on the inner wall of the groove, and the cross-section of each toothed protrusion is V-shaped. The dimensions of each toothed protrusion are consistent, so that the inner wall of the groove base forms a regular continuous toothed profile, and the whole is an integrally formed structure.

[0014] This invention provides an aluminum alloy profile cutting device. It has the following advantages: I. This aluminum alloy profile cutting device, through the setting of a drive mechanism, is the core hub and execution hub for the aluminum alloy profile cutting device to achieve multi-angle precision cutting function. Its role is far more than simply "driving the aluminum alloy profile to rotate", but is a composite functional system that integrates precise indexing and positioning, stable rotation support, and coordinated linkage with the cutting motion.

[0015] II. This aluminum alloy profile cutting device integrates a multi-functional clamping system, from end-face positioning to side clamping, through the setting of a positioning unit. The positioning mechanism is responsible for axial positioning and end clamping of the profile to determine the cutting reference; the pressing mechanism applies a uniform clamping force to the profile from the side to prevent displacement or vibration during cutting or rotation. The two work together to ensure processing stability and accuracy. With this setup, the cutting saw blade can still maintain a stable cutting depth and accuracy even when the profile is loose.

[0016] III. This aluminum alloy profile cutting device, through the setting of an operating table and its upper limit groove, constitutes the working plane and motion guide rail of the device. The operating table provides a precise installation reference for all actuators, while the limit groove precisely guides and constrains the arc-shaped motion trajectory of the rotating frame, preventing its movement from deviating. The arc-shaped sliding plate slides within the limit groove, providing low-friction, high-precision physical constraints and support for the rotational motion of the rotating frame, ensuring the stability of the rotation center. The arc-shaped toothed plate, as the driven component, has its arc-shaped tooth profile concentric with the rotation center.

[0017] IV. This aluminum alloy profile cutting device, through the inclusion of a moving rod and a tapered column, constitutes the power transmission and motion conversion components of the positioning mechanism. The moving rod directly transmits the linear motion of the hydraulic cylinder's piston rod. The tapered column is the key design element; its tapered slope, in conjunction with the subsequent sliding frame, cleverly transforms the axial linear thrust provided by the hydraulic cylinder into a radial expansion force on the sliding frame, thereby achieving the functional conversion from unidirectional end-face pressing to multidirectional expansion and clamping within the profile's inner cavity. The anti-slip grooves on its slope increase friction when in contact with the sliding components, ensuring reliable force transmission.

[0018] V. This aluminum alloy profile cutting device, through the setting of a connecting frame, track plate, connecting pipe, connecting box and high-pressure air pump, provides a pneumatic power source and pressure transmission channel for the extrusion mechanism. The connecting frame and track plate form a secondary support structure for installing and fixing pneumatic components. The connecting pipe is a high-pressure gas delivery pipeline. The connecting box may serve as an air distributor or buffer chamber. The high-pressure air pump is the power core of the entire pneumatic clamping system. It generates compressed air or high-pressure suction, and transmits the air pressure to the actuator through the connecting box and connecting pipe, thereby driving the extrusion plate to move. The pneumatic method has the advantages of rapid action, adjustable pressure and cleanliness without pollution. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the external structure of an aluminum alloy profile cutting device according to the present invention; Figure 2 This is a side view of the structure of an aluminum alloy profile cutting device according to the present invention; Figure 3 This is a partial structural schematic diagram of an aluminum alloy profile cutting device according to the present invention; Figure 4 This is a schematic diagram of the drive mechanism structure of the present invention; Figure 5 This is a schematic diagram of the positioning unit structure of the present invention; Figure 6 This is a schematic diagram of the positioning mechanism structure of the present invention; Figure 7 This is a schematic cross-sectional view of the positioning mechanism of the present invention; Figure 8 This is a schematic diagram of the extrusion mechanism of the present invention; Figure 9 This is a partial structural diagram of the extrusion mechanism of the present invention; Figure 10 This is a schematic cross-sectional view of the extrusion mechanism of the present invention; Figure 11 This is a partial cross-sectional structural diagram of the extrusion mechanism of the present invention.

[0020] In the diagram: 1. Frame; 2. Control panel; 3. Drive mechanism; 31. Limiting frame; 32. Rotating ring; 33. Rotating frame; 34. Arc-shaped sliding plate; 35. Arc-shaped toothed plate; 4. Positioning unit; 41. Positioning mechanism; 411. Positioning plate; 412. Rubber ring; 413. Fixing frame; 414. Hydraulic cylinder; 415. Moving rod; 416. Conical column; 417. Limit box; 418. Sliding frame; 419. First spring; 4110. Anti-slip strip; 42. Extrusion mechanism; 421. Support frame; 422. Track rod; 423. Connecting box; 424. High-pressure air pump; 425. Connecting pipe; 426. Track slab; 427. Connecting frame; 428. Sliding sleeve; 429. Fixing frame; 4210. Extrusion plate; 4211. Soft pad; 4212. Anti-slip plate; 4213. Positioning box; 4214. Limiting pipe; 4215. Sliding block; 4216. Bend; 4217. Sliding column; 4218. Second spring; 4219. Barrier frame; 4220. Positioning column; 5. First stepper motor; 6. First rotating rod; 7. Cutting disc; 8. Second stepper motor; 9. Second rotating rod; 10. Gear; 11. Limiting groove. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0022] like Figures 1-11 As shown, the present invention provides a technical solution: an aluminum alloy profile cutting device, including a frame 1, with an operating table 2 welded to the top of the frame 1, and a limit groove 11 formed on the upper surface of the operating table 2. By setting the frame 1, a stable and highly rigid bearing and installation foundation is provided for the entire cutting device, ensuring that the whole machine does not shake or shift during cutting and rotation, which is the cornerstone of ensuring processing accuracy; The first stepper motor 5 is fixed to the inner wall of the operating table 2. The second stepper motor 8 is fixed on the upper surface of the operating table 2; The drive mechanism 3 is used to drive the aluminum alloy profile to rotate and is fixed on the upper surface of the operating table 2. By setting up the drive mechanism 3, the drive mechanism 3 is the core hub and execution hub of the aluminum alloy profile cutting device to achieve multi-angle precision cutting function. Its function is far more than simply "driving the aluminum alloy profile to rotate", but is a composite functional system that integrates precise indexing and positioning, stable rotation support, and coordinated linkage with the cutting motion. Positioning unit 4 is used to position and clamp the aluminum alloy profile. Positioning unit 4 is fixed on the outer surface of the drive mechanism 3. The drive mechanism 3 includes a limiting frame 31, which is welded to the upper surface of the operating table 2. A rotating ring 32 is rotatably connected to the outer surface of the limiting frame 31, and a rotating frame 33 is welded to the outer surface of the rotating ring 32. The limiting frame 31 serves as a fixed support, on which the rotating ring 32 achieves precise rotation. The rotating frame 33 serves as a rigid frame that supports the positioning unit 4. The three work together to convert the rotational power of the second stepper motor 8 into the precise indexing rotation of the profile. The positioning unit 4 includes a positioning mechanism 41 and a pressing mechanism 42. The positioning mechanism 41 is fixed to the upper surface of the rotating frame 33, and the pressing mechanism 42 is fixed to the inner cavity of the rotating frame 33. By setting the positioning unit 4, a multi-functional clamping system integrating end-face positioning and side clamping is integrated. The positioning mechanism 41 is responsible for axial positioning and end clamping of the profile to determine the cutting reference; the pressing mechanism 42 applies a uniform clamping force to the profile from the side to prevent displacement or vibration during cutting or rotation. The two work together to ensure processing stability and accuracy.

[0023] The output end of the first stepper motor 5 is connected to a first rotating rod 6 via a coupling. A cutting disc 7 is welded to the end of the first rotating rod 6, extending through the operating table 2 and reaching its lower surface. The first stepper motor 5 provides the power source for the cutting process. Its high-precision stepping control allows for precise programming of the cutting disc 7's rotational speed and start / stop position, which is crucial for achieving fixed-length cuts or cuts at specific angles. The first rotating rod 6 and the cutting disc 7 together form the core cutting execution component. The first rotating rod 6 efficiently and coaxially transmits the torque of the first stepper motor 5 to the cutting disc 7, and its high-rigidity design ensures the stability of the cutting disc 7 at high speeds. The cutting disc 7 uses a diamond saw blade, which rotates at high speed to cut the aluminum alloy profile.

[0024] An arc-shaped sliding plate 34 is welded to the bottom end of the rotating frame 33. The arc-shaped sliding plate 34 is slidably connected to the limiting groove 11 opened on the upper surface of the operating table 2. An arc-shaped toothed plate 35 is welded to the lower surface of the rotating frame 33 away from the limiting frame 31. The arc-shaped toothed plate 35 penetrates the operating table 2. The output end of the second stepper motor 8 is equipped with a second rotating rod 9 through a coupling. A gear 10 is welded to the end of the second rotating rod 9. The gear 10 meshes with the arc-shaped toothed plate 35. By setting the operating table 2 and its upper limiting groove 11, the working plane and motion guide rail of the device are formed. The operating table 2 provides a precise installation reference for all actuators, while the limiting groove 11 precisely guides and constrains the arc-shaped motion trajectory of the rotating frame 33 to prevent its movement from deviating. By setting the second stepper motor 8 as a precision power source to drive the rotational motion of the rotating frame 33, through meshing with the gear 10 and the arc-shaped toothed plate 35, the profile is precisely rotated to a preset angle to achieve multi-angle cutting function. The arc-shaped sliding plate 34, arc-shaped toothed plate 35, second rotating rod 9, and gear 10 together constitute the transmission and guiding system for driving the rotating frame 33 to perform precise arc-shaped motion. The arc-shaped sliding plate 34 slides within the limiting groove 11, providing low-friction, high-precision physical constraints and support for the rotational motion of the rotating frame 33, ensuring the stability of the rotation center. The arc-shaped toothed plate 35, as the driven component, has an arc-shaped tooth profile concentric with the rotation center. The second stepper motor 8 drives the gear 10 to rotate via the second rotating rod 9. The meshing of the gear 10 with the arc-shaped toothed plate 35 precisely converts the continuous rotational motion of the motor into intermittent indexing rotation of the rotating frame 33 and the profile on it. The rotation angle can be precisely set by controlling the number of motor steps, making it the core mechanism for achieving multi-angle automatic cutting.

[0025] The positioning mechanism 41 includes a positioning plate 411, which is welded to the upper surface of the rotating frame 33 near the rotating ring 32. A rubber ring 412 is fixed to the outer surface of the positioning plate 411, and a fixing frame 413 is welded to the outer surface of the positioning plate 411 away from the rubber ring 412. A hydraulic cylinder 414 is fixed to the inner wall of the fixing frame 413. The positioning plate 411, rubber ring 412, fixing frame 413, and hydraulic cylinder 414 constitute the fixed reference and power components of the positioning mechanism 41. The positioning plate 411, as a rigid support for one end of the profile (usually the reference end), has a fixed position, providing a definite axial positioning reference for the profile. The rubber ring 412 is attached to the surface of the positioning plate 411, providing flexible contact during clamping, protecting the profile end face from scratches and increasing static friction to prevent axial movement. The fixing frame 413 provides a robust mounting support for the hydraulic cylinder 414. Hydraulic cylinder 414, as a power source, can output stable and powerful linear thrust to drive subsequent clamping elements to reliably clamp the profile at the end. A moving rod 415 is provided at the output end of hydraulic cylinder 414, and a tapered column 416 is welded to the end of the moving rod 415. The inclined surface of the tapered column 416 is provided with an anti-slip groove, and the tapered column 416 is slidably connected to the inner cavity of positioning plate 411. The moving rod 415 and the tapered column 416 constitute the power transmission and motion conversion components of positioning mechanism 41. The moving rod 415 directly transmits the linear motion of the piston rod of hydraulic cylinder 414. The tapered column 416 is the key design element; its tapered inclined surface cooperates with the subsequent sliding frame 418 to cleverly convert the axial linear thrust provided by hydraulic cylinder 414 into a radial expansion force on the sliding frame 418, thereby realizing the functional conversion from unidirectional end-face pressing to multidirectional expansion clamping within the profile cavity, such as a slot. The anti-slip grooves on its inclined surface increase the friction when in contact with the sliding parts, ensuring reliable force transmission. A limit box 417 is welded to the side of the positioning plate 411 away from the fixed frame 413. A sliding frame 418 is slidably connected to the inner cavity of the limit box 417. The outer surface of the sliding frame 418 is frictionally adapted to the outer surface of the tapered column 416. The shape of the sliding frame 418 matches the slot shape of the aluminum alloy profile. A first spring 419 is welded to one end of the sliding frame 418 located in the limit box 417, and the end of the first spring 419 is welded to the inner wall of the limit box 417. An anti-slip strip 4110 is welded to the end of the sliding frame 418 away from the limit box 417. The limit box 417, sliding frame 418, first spring 419, and anti-slip strip 4110 constitute the profile inner cavity adaptive clamping actuator of the positioning mechanism 41. The limit box 417 provides a precise radial sliding track for the sliding frame 418, restricting its movement to a specific direction. The shape of the sliding bracket 418 matches the T-slot of the profile cavity, and its inner inclined surface mates with the tapered column 416.As the tapered column 416 advances under the push of the hydraulic cylinder 414, its tapered surface presses against the inclined surface of the sliding frame 418, forcing multiple sliding frames 418 to expand radially outward synchronously until the anti-slip strip 4110 on its outer side tightly abuts against the inner wall of the profile slot, forming a powerful internal expansion clamping. The first spring 419 provides a restoring force. When the hydraulic cylinder 414 is depressurized and the tapered column 416 retracts, it pulls the sliding frame 418 to retract and reset, so as to remove the workpiece. This design enables fast and stable clamping of profiles with irregular cross-sections.

[0026] The extrusion mechanism 42 includes a support frame 421, which is welded to the bottom surface of the inner cavity of the rotating frame 33. A track rod 422 is fixed to the end of the support frame 421. A sliding sleeve 428 is slidably connected to the outer surface of the track rod 422. A fixed frame 429 is welded to the upper surface of the sliding sleeve 428. An extrusion plate 4210 is welded to the end of the fixed frame 429. A soft pad 4211 is fixed to the inner surface of the extrusion plate 4210, and an anti-slip plate 4212 is welded to the outer surface of the soft pad 4211. The support frame 421, track rod 422, sliding sleeve 428, fixed frame 429, extrusion plate 4210, soft pad 4211, and anti-slip plate 4212 together form the main frame and lateral clamping actuator of the extrusion mechanism 42. The support frame 421 and track rod 422 constitute a stable linear guide system located below the profile. The sliding sleeve 428 can slide smoothly on the track rod 422. The fixing frame 429 connects the sliding sleeve 428 and the extrusion plate 4210, converting the horizontal movement of the sliding sleeve 428 into the vertical lifting movement of the extrusion plate 4210. The extrusion plate 4210 is a clamping element that acts directly on the side of the profile. The soft pad 4211 is made of polymer materials such as polyurethane, providing a flexible contact surface. The anti-slip plate 4212 has a rough surface, further increasing the reliability of clamping and preventing the profile from rotating or sliding under cutting force.

[0027] A connecting frame 427 is welded to the lower surface of the track rod 422. A track plate 426 is welded to the bottom end of the connecting frame 427. A connecting pipe 425 is welded to the lower surface of the track plate 426. A connecting box 423 passes through the end of the connecting pipe 425. A high-pressure air pump 424 passes through the outer surface of the connecting box 423. The connecting pipe 425 is fixed to the bottom surface of the inner cavity of the rotating frame 33. By setting up the connecting frame 427, track plate 426, connecting pipe 425, connecting box 423, and high-pressure air pump 424, a pneumatic power source and pressure transmission channel are provided for the extrusion mechanism 42. The connecting frame 427 and track plate 426 constitute a secondary support structure for installing and fixing pneumatic components. The connecting pipe 425 is a high-pressure gas delivery pipe. The connecting box 423 may serve as a gas distributor or a buffer chamber. The high-pressure air pump 424 is the power core of the entire pneumatic clamping system. It generates compressed air or high-pressure suction, and transmits the air pressure to the actuator through the connecting box 423 and the connecting pipe 425, thereby driving the pressing plate 4210 to move. The pneumatic method has the advantages of rapid action, adjustable pressure, and cleanliness without pollution.

[0028] A bend 4216 is slidably connected to the inner cavity of the connecting pipe 425. The bend 4216 is a U-shaped pipe with an overall long U-shaped bend structure, including two parallel straight sections and an arc-shaped transition section. The cross-section of the straight sections is a rectangular hollow shape. The arc-shaped transition section connects the ends of the two straight sections, and its cross-section is consistent with the rectangular hollow shape of the straight sections. The curvature of the arc-shaped transition section makes the two straight sections parallel. The straight sections of the bend 4216 are tightly slidably connected to the inner cavity of the connecting pipe 425. The end of the bend 4216 away from the connecting pipe 425 passes through a limiting pipe 4214. The limiting pipe 4214 is welded to the inner wall of the sliding sleeve 428. A sliding block 4215 is welded to the lower surface of the limiting pipe 4214. The sliding block 4215 is slidably connected to the upper surface of the track plate 426. By incorporating a bend 4216, a limiting tube 4214, and a sliding block 4215, a cleverly integrated "follow-up" pneumatic connection and actuation drive mechanism is constructed. The unique U-shaped structure of the bend 4216 allows one end to be inserted into a fixed connecting tube 425 as an air inlet, while the other end is rigidly connected to a movable sliding sleeve 428 via the limiting tube 4214. When high-pressure gas enters the bend 4216 from the connecting tube 425, it pushes the piston inside, generating the power to move the sliding sleeve 428 along the track rod 422. Simultaneously, because the bend 4216 itself can slide within the connecting tube 425, and the sliding block 4215 is guided on the track plate 426, this design perfectly solves the dynamic sealing and connection problem between the moving component compression plate 4210 and the fixed air source, achieving continuous and leak-free transmission of pneumatic power during the clamping mechanism's movement. At the same time, when the high-pressure air pump 424 generates high-pressure suction, suction is generated in the inner cavity of the connecting pipe 425, which in turn causes the bend 4216 to drive the sliding sleeve 428 to move back.

[0029] A barrier frame 4219 is welded to the inner wall of the limiting tube 4214. A sliding column 4217 is slidably connected to the inner cavity of the barrier frame 4219. The top end of the sliding column 4217 is tightly slidably connected to the inner cavity of the limiting tube 4214. A second spring 4218 is sleeved on the outer surface of the sliding column 4217. The bottom end of the second spring 4218 is welded to the upper surface of the barrier frame 4219. A locking column 4220 is welded to the top end of the sliding column 4217. A locking box 4213 is welded to the inner cavity of the track rod 422. The column 4220 is frictionally fitted to the inner wall of the positioning box 4213. The positioning box 4213 has a toothed groove cross-section and an overall elongated groove structure, including a groove base and toothed protrusions. The groove base is an elongated groove with an opening. The toothed protrusions are continuously and evenly distributed along the length of the groove base on the inner wall of the groove, and the cross-section of each toothed protrusion is V-shaped. The dimensions of each toothed protrusion are consistent, so that the inner wall of the groove base forms a regular continuous toothed profile, and the whole structure is a one-piece molded structure. By setting the barrier frame 4219, sliding column 4217, second spring 4218, positioning column 4220 and positioning box 4213, the self-locking and precise positioning mechanism 41 of the extrusion mechanism 42 is constituted. The barrier frame 4219 is fixed in the limiting tube 4214 as the mounting base of the mechanism. The sliding post 4217 can slide precisely within a small range under its guidance, and the shape of the locking post 4220 at its top matches the toothed inner wall of the locking box 4213. The second spring 4218 provides an upward thrust to the sliding post 4217, causing the locking post 4220 to tend to embed into the toothed groove of the locking box 4213 under normal conditions. When pneumatic pressure drives the sliding sleeve 428 to move, thereby bringing the entire extrusion plate 4210 assembly closer to the profile, the locking post 4220 will fall into a toothed groove of the locking box 4213 inside the track rod 422 under the action of the second spring 4218. The continuous V-shaped toothed structure of the inner wall of the locking box 4213 allows the locking post 4220 to "climb" over a tooth peak to compress the second spring 4218 under pressure, but once in place, it is locked in the current toothed groove under the action of the spring force, forming a mechanical self-locking mechanism. This design achieves two key functions: first, it allows for multi-level, discrete, and precise adjustment and locking of the clamping force; second, even in the event of an unexpected loss of air pressure, the mechanism can still maintain the clamping state through mechanical self-locking, greatly improving the safety and reliability of the equipment and ensuring the absolute stability of the workpiece during the cutting process. Simultaneously, when suction is generated inside the pipe, the sliding column 4217 will move downwards, causing the locking column 4220 to no longer be stuck in the inner cavity of the locking box 4213.

[0030] Working principle: The operator places the aluminum alloy profile to be cut on the operating table 2 along its length and manually pushes one end of it to the positioning plate 411 of the positioning mechanism 41, so that the end face of the profile contacts the rubber ring 412, completing the initial axial positioning. At the same time, the operator must ensure that the slot or other internal cavity structure of the profile is roughly aligned with the sliding frame 418 in the positioning mechanism 41; Hydraulic cylinder 414 is activated, pushing moving rod 415 and front-end tapered column 416 forward. The tapered surface of tapered column 416 presses against the inner inclined surfaces of multiple sliding frames 418 surrounding it, forcing these sliding frames 418, whose shape matches the inner cavity of the profile, to overcome the resistance of the first spring 419 and expand radially outward synchronously along the limiting box 417 until the anti-slip strip 4110 at its outer end is tightly expanded against the inner wall of the profile slot, forming a strong internal expansion fixation, effectively preventing axial movement and circumferential rotation of the profile; The high-pressure air pump 424 is started, and compressed air enters the air passage of the bend 4216, which is linked to the sliding sleeve 428, through the connecting box 423 and the connecting pipe 425. The air pressure pushes the internal mechanism, causing the sliding sleeve 428 to slide along the track rod 422 towards the profile. The sliding sleeve 428 drives the upper extrusion plate 4210 to descend through the fixing frame 429. The soft pad 4211 and anti-slip plate 4212 on the inner surface of the extrusion plate 4210 then stably press the profile against the lower support from the side and above. When the clamping force reaches the preset value, the locking pin 4220 inside the extrusion mechanism 42, under the action of the second spring 4218, is embedded in the tooth groove of the locking box 4213 inside the track rod 422, realizing mechanical self-locking and ensuring that the clamping state is absolutely reliable even when the air source fluctuates. After clamping, the control system sends a command to the second stepper motor 8 according to the preset cutting angle program. The second stepper motor 8 drives the second rotating rod 9 and the gear 10 to rotate. The gear 10 meshes with the arc-shaped toothed plate 35 fixed at the bottom of the rotating frame 33, thereby converting the rotational motion of the gear 10 into a precise arc motion of the rotating frame 33 around the center of the rotating ring 32 on the limit frame 31. At the same time, the first stepper motor 5 starts, driving the cutting disc 7 to rotate at high speed through the first rotating rod 6. During the cutting process, the operation of the drive mechanism 3 causes the rotating frame 33 to rotate the aluminum alloy profile, realizing the cutting work of the aluminum alloy profile. After cutting, the drive mechanism 3 drives the rotating frame 33 back to a safe position. Subsequently, the high-pressure air pump 424 generates high-pressure suction. Under the action of suction, the sliding column 4217 moves downward and the locking column 4220 is no longer locked in the cavity of the locking box 4213. The locking column 4220 is released from self-locking under the action of the spring, the extrusion plate 4210 is lifted, and when the hydraulic cylinder 414 stops extruding, the sliding frame 418 retracts under the action of the first spring 419, and the operator can then remove the cut profile.

[0031] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. An aluminum alloy profile cutting device, characterized in that, include: A frame (1) is provided with an operating table (2) welded to the top of the frame (1), and a limit groove (11) is provided on the upper surface of the operating table (2). The first stepper motor (5) is fixed to the inner wall of the operating table (2); The second stepper motor (8) is fixed on the upper surface of the operating table (2); A drive mechanism (3) is used to drive the aluminum alloy profile to rotate. The drive mechanism (3) is fixed on the upper surface of the operating table (2). Positioning unit (4), which is used to position and clamp aluminum alloy profiles, is fixed on the outer surface of the drive mechanism (3); The drive mechanism (3) includes a limiting frame (31), which is welded to the upper surface of the operating table (2). A rotating ring (32) is rotatably connected to the outer surface of the limiting frame (31), and a rotating frame (33) is welded to the outer surface of the rotating ring (32). The positioning unit (4) includes a positioning mechanism (41) and a pressing mechanism (42). The positioning mechanism (41) is fixed on the upper surface of the rotating frame (33), and the pressing mechanism (42) is fixed in the inner cavity of the rotating frame (33). The extrusion mechanism (42) includes a support frame (421), which is welded to the bottom surface of the inner cavity of the rotating frame (33). A track rod (422) is fixed at the end of the support frame (421). A sliding sleeve (428) is slidably connected to the outer surface of the track rod (422). A fixed frame (429) is welded to the upper surface of the sliding sleeve (428). An extrusion plate (4210) is welded to the end of the fixed frame (429). A soft pad (4211) is fixed to the inner surface of the extrusion plate (4210). An anti-slip plate (4212) is welded to the outer surface of the soft pad (4211). A connecting frame (427) is welded to the lower surface of the track rod (422), a track plate (426) is welded to the bottom end of the connecting frame (427), a connecting pipe (425) is welded to the lower surface of the track plate (426), a connecting box (423) is passed through the end of the connecting pipe (425), a high-pressure air pump (424) is passed through the outer surface of the connecting box (423), and the connecting pipe (425) is fixed to the bottom surface of the inner cavity of the rotating frame (33). A bend (4216) is slidably connected to the inner cavity of the connecting pipe (425). The bend (4216) is a U-shaped pipe with an overall elongated U-shaped bend structure, including two parallel straight sections and an arc-shaped transition section. The cross-section of the straight sections is rectangular and hollow. The arc-shaped transition section connects the ends of the two straight sections, and its cross-section is consistent with the rectangular and hollow shape of the straight sections. The curvature of the arc-shaped transition section makes the two straight sections parallel to each other. The straight section of the bent pipe (4216) is tightly slidably connected to the inner cavity of the connecting pipe (425). The end of the bent pipe (4216) away from the connecting pipe (425) passes through a limiting pipe (4214). The limiting pipe (4214) is welded to the inner wall of the sliding sleeve (428). A sliding block (4215) is welded to the lower surface of the limiting pipe (4214). The sliding block (4215) is slidably connected to the upper surface of the track plate (426).

2. The aluminum alloy profile cutting device according to claim 1, characterized in that: The output end of the first stepper motor (5) is equipped with a first rotating rod (6) via a coupling. A cutting disc (7) is welded to the end of the first rotating rod (6). The cutting disc (7) passes through the operating table (2) and extends to the lower surface of the operating table (2).

3. The aluminum alloy profile cutting device according to claim 1, characterized in that: The bottom end of the rotating frame (33) is welded with an arc-shaped sliding plate (34), which is slidably connected to the limiting groove (11) opened on the upper surface of the operating table (2). An arc-shaped toothed plate (35) is welded on the side of the lower surface of the rotating frame (33) away from the limiting frame (31). The arc-shaped toothed plate (35) passes through the operating table (2). The output end of the second stepper motor (8) is equipped with a second rotating rod (9) through a coupling. A gear (10) is welded to the end of the second rotating rod (9), and the gear (10) meshes with the arc-shaped toothed plate (35).

4. The aluminum alloy profile cutting device according to claim 1, characterized in that: The positioning mechanism (41) includes a positioning plate (411), which is welded to the upper surface of the rotating frame (33) on the side near the rotating ring (32). A rubber ring (412) is fixed on the outer surface of the positioning plate (411), and a fixing frame (413) is welded to the side of the outer surface of the positioning plate (411) away from the rubber ring (412). A hydraulic cylinder (414) is fixed on the inner wall of the fixing frame (413).

5. The aluminum alloy profile cutting device according to claim 4, characterized in that: The output end of the hydraulic cylinder (414) is provided with a moving rod (415), and a tapered column (416) is welded to the end of the moving rod (415). The inclined surface of the tapered column (416) is provided with an anti-slip groove, and the tapered column (416) is slidably connected to the inner cavity of the positioning plate (411).

6. The aluminum alloy profile cutting device according to claim 5, characterized in that: A limiting box (417) is welded to the side of the positioning plate (411) away from the fixed frame (413). A sliding frame (418) is slidably connected to the inner cavity of the limiting box (417). The outer surface of the sliding frame (418) is frictionally adapted to the outer surface of the tapered column (416). The shape of the sliding frame (418) is consistent with the shape of the slot of the aluminum alloy profile. A first spring (419) is welded to one end of the sliding frame (418) located in the limiting box (417). The end of the first spring (419) is welded to the inner wall of the limiting box (417). An anti-slip strip (4110) is welded to the end of the sliding frame (418) away from the limiting box (417).

7. The aluminum alloy profile cutting device according to claim 6, characterized in that: A barrier frame (4219) is welded to the inner wall of the limiting tube (4214). A sliding column (4217) is slidably connected to the inner cavity of the barrier frame (4219). The top end of the sliding column (4217) is tightly slidably connected to the inner cavity of the limiting tube (4214). A second spring (4218) is sleeved on the outer surface of the sliding column (4217). The bottom end of the second spring (4218) is welded to the upper surface of the barrier frame (4219). A locking post (4220) is welded to the top end of the sliding column (4217). The inner cavity of the track rod (422) is... A positioning box (4213) is welded on, and the positioning column (4220) is frictionally adapted to the inner wall of the positioning box (4213). The positioning box (4213) has a toothed groove cross section and an overall elongated groove structure, including a groove base and toothed protrusions. The groove base is an elongated groove with an opening. The toothed protrusions are continuously and evenly distributed on the inner wall of the groove along the length direction of the groove base, and the cross section of each toothed protrusion is V-shaped. The dimensions of each toothed protrusion are consistent, so that the inner wall of the groove base forms a regular continuous toothed profile, and the whole is an integrally formed structure.

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