Aluminum profile multi-angle numerical control cutting robot

Abstract

The invention belongs to the technical field of aluminum profile machining, and particularly relates to an aluminum profile multi-angle numerical control cutting robot which comprises a mechanical arm and an adsorption head coaxially arranged on the periphery of a cutting nozzle in a sleeving mode, the adsorption head is fixed to the periphery of the cutting nozzle through a connecting bin, real-time following of the movement track of the cutting nozzle is achieved, and the smoke capture distance is shortened. The adsorption head captures smoke dust through the air inlet and is matched with the cleaning brush to rub the rotatable screen drum to strip dust particles, so that the separation of waste gas and the dust particles is realized; the adsorption head follows the cutting track of the cutting nozzle, waste gas and dust particles generated by cutting are pumped and discharged in time at a short distance, and the smoke dust diffusion area is reduced; the two independent gas paths capable of being controlled in time sequence can suck and discharge waste gas and dust particles in the adsorption head and the dust falling opening in sequence, pollutants are prevented from being mixed, the service life of a filter material is prolonged, the dust particles on the rotating screen drum are automatically stripped in cooperation with the cleaning brush, the cleaning frequency and the maintenance cost are reduced, and the cutting progress is prevented from being delayed.

Description

Technical Field

[0001] This invention belongs to the field of aluminum profile processing technology, specifically relating to a multi-angle CNC cutting robot for aluminum profiles. Background Technology

[0002] The multi-angle CNC cutting robot for aluminum profiles is an automated device that combines the flexibility of a robotic arm, the precision of a CNC system, and the high efficiency of laser cutting. It achieves flexible movement in any angle and direction in space through a high-degree-of-freedom robotic arm. The end of the robotic arm is integrated with a laser cutting head, which achieves non-contact cutting by focusing a high-energy laser beam. The heat-affected zone is small, and it can meet the requirements of beveled and irregular cuts of aluminum profiles, realizing the precision processing of aluminum profiles at any angle.

[0003] Current multi-angle CNC cutting robots generate aluminum oxide (Al2O3) dust and nitrogen oxides (NOx) when using high-temperature lasers on aluminum. X Metal oxides such as carbon monoxide (CO) and volatile organic compounds (VOCs) are released from aluminum materials. Coatings or adhesives on the surface of aluminum materials can also release harmful gases such as formaldehyde and benzene compounds when heated. Long-term inhalation can lead to respiratory inflammation, pneumoconiosis, and even damage to the nervous system. Existing cutting fume treatment systems usually rely on a combination of fixed dust collection hoods and external filtration equipment, which has the following core problems: There is a spatial distance between the fixed dust collection hood and the cutting head, and the fume can easily escape into the working environment during the diffusion process. Especially for complex curved surfaces or high-speed cutting scenarios, the capture efficiency is significantly reduced. The filter screen of the fixed dust collection hood needs to be cleaned manually every time, which is time-consuming and labor-intensive, and delays the cutting and processing progress. A single air path allows adsorbed dust to mix with harmful gases, which may exacerbate pipe blockage. Mixed pollutants can also accelerate the aging of filter media and reduce the lifespan of the filter cartridge. Summary of the Invention

[0004] The purpose of this invention is to provide a multi-angle CNC cutting robot for aluminum profiles, which can follow the cutting trajectory of the cutting nozzle through the adsorption head, and promptly extract the waste gas and dust particles generated during cutting at close range, reducing the area of ​​smoke and dust diffusion and maintaining a healthy and clean processing environment; moreover, two independent air paths that can be controlled in sequence can sequentially extract and remove the waste gas and dust particles located in the adsorption head and dust discharge port, avoiding the mixing of pollutants, extending the service life of the filter material, and automatically removing dust particles from the rotating screen cylinder with the cleaning brush, reducing the cleaning frequency and maintenance costs, and avoiding delays in the cutting process.

[0005] The specific technical solution adopted by this invention is as follows: A multi-angle CNC cutting robot for aluminum profiles includes a robotic arm and an adsorption head coaxially sleeved around the cutting nozzle. The adsorption head is fixed to the outer periphery of the cutting nozzle through a connecting chamber to achieve real-time tracking of the movement trajectory of the cutting nozzle, thereby shortening the distance for dust capture. The adsorption head captures smoke and dust through the air inlet, and works with the cleaning brush to rub and peel off dust particles from the rotating screen cylinder, thereby separating the exhaust gas from the dust particles. The adsorption head forms a time-controlled dual-air path structure through the dust discharge main pipe and the exhaust main pipe, which is used to separately discharge the waste gas in the inner cavity of the adsorption head and the settled dust particles in the dust collection port, so as to realize the diversion and discharge of pollutants.

[0006] The end of the robotic arm is equipped with a focusing mechanism, and a cutting nozzle is fixedly connected to its bottom. A protruding plate is fixedly provided on the outer wall of the top of the cutting nozzle. The connecting chamber is integrally formed on the top of the adsorption head, and the connecting chamber is connected to the top through a fastener through a protruding plate to form a detachable threaded connection.

[0007] The adsorption head is a tapered tube structure that gradually expands at the top and narrows at the bottom, and it communicates with the interior of the connecting chamber to form an inner cavity for exhaust. The inner diameter of the adsorption head is larger than the outer diameter of the cutting nozzle, and the inner surface of the adsorption head is covered with a heat insulation sleeve.

[0008] The air inlet is circumferentially spaced and extends through the outer wall of the adsorption head, and is connected to the inner cavity of the adsorption head. The dust collection port is axially extended through the outer wall of the adsorption head and located between two adjacent air inlets.

[0009] A cover is detachably fixed to the outside of the dust collection port, and the cleaning brush is fixed to the inner side wall of the cover and located inside the dust collection port. The sieve cylinder is coaxially rotatably disposed in the inner cavity of the adsorption head, and the end of the cleaning brush abuts against the outer wall of the sieve cylinder; The surface of the sieve cylinder is densely covered with micropores with a diameter of ≤50μm, and it is made of stainless steel through a sintering process.

[0010] The bottom of the adsorption head is rotatably connected to a gear, and a circular hole is provided at the axis of the gear for the cutting nozzle to pass through. The bottom of the sieve cylinder is fixedly connected to the top surface of the gear. A micro motor is fixedly installed on one side of the outer wall of the adsorption head, and the output end of the micro motor is connected to a gear two that meshes with gear one.

[0011] The outer covers of gear one and gear two are provided with symmetrically arranged protective covers. An annular plate is fixed on the bottom outer wall of the adsorption head above gear one. The annular plate extends to the bottom of the top panel of the protective cover to support it.

[0012] A limiting block is fixed on the top surface of the annular piece at the joint of the two protective covers. The joint of the protective covers is provided with a notch for matching and fitting with the limiting block. The two protective covers are detachably connected by fasteners.

[0013] The main dust discharge pipe branches out into several dust discharge sub-pipes at its end. The dust discharge sub-pipes are evenly inserted into the top side wall of the adsorption head along the circumference and form a dust discharge port at the top of the dust collection port. The exhaust manifold is branched off at its end into a pair of exhaust branch pipes, which are inserted into the outer wall of the connecting chamber and communicate with the inner cavity of the adsorption head.

[0014] The technical effects achieved by this invention are as follows: 1. By using an adsorption head fixed to the cutting nozzle, the adsorption head follows the cutting trajectory of the cutting nozzle to extract and remove waste gas and dust particles generated during cutting at close range, thereby improving the collection efficiency, reducing the area of ​​smoke and dust diffusion, and maintaining a healthy and clean processing environment. 2. Through two independent air paths that can be controlled in sequence, the exhaust gas and dust particles located in the adsorption head and dust collection port are successively drawn out and discharged to avoid the mixing of pollutants, thereby preventing pipe blockage and extending the service life of the filter material.

[0015] 3. The cleaning brush automatically removes dust particles from the rotating screen cylinder, and the dust is discharged through the dust removal pipe, reducing the cleaning frequency and maintenance costs, and avoiding delays in the cutting and processing progress. Attached Figure Description

[0016] Figure 1 This is an overall appearance view of the multi-angle CNC cutting robot provided in the embodiments of the present invention; Figure 2 This is a structural separation diagram of the cutting nozzle and the suction head provided in an embodiment of the present invention; Figure 3 yes Figure 2 A magnified view of a portion of the image; Figure 4 This is a cross-sectional view of the adsorption head provided in the embodiments of the present invention; Figure 5 This is a top-view anatomical view of the adsorption head provided in an embodiment of the present invention; Figure 6 This is a cross-sectional view of the adsorption head provided in an embodiment of the present invention; Figure 7 This is a structural diagram of the protective cover at the bottom of the adsorption head provided in an embodiment of the present invention.

[0017] The attached diagram lists the components represented by each number as follows: 1. Robotic arm; 101. Focusing mechanism; 102. Cutting nozzle; 103. Convex plate; 2. Adsorption head; 201. Connecting chamber; 202. Air inlet; 203. Dust collection port; 204. Cover; 205. Cleaning brush; 206. Screen cylinder; 207. Gear one; 208. Micro motor; 209. Gear two; 210. Protective cover; 211. Dust exhaust branch pipe; 212. Exhaust branch pipe; 213. Fastener one; 214. Heat insulation sleeve; 215. Annular plate; 216. Limiting block; 217. Notch; 218. Fastener two; 219. Main dust exhaust pipe; 220. Main exhaust pipe. Detailed Implementation

[0018] To make the objectives and advantages of this invention clearer, the invention will be specifically described below with reference to embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of the invention and does not strictly limit the scope of protection specifically claimed by the invention.

[0019] like Figures 1-2 As shown, a multi-angle CNC cutting robot for aluminum profiles includes a robotic arm 1 and an adsorption head 2 coaxially sleeved around the cutting nozzle 102. Example 1: See attached document Figures 1-4 The robotic arm 1 is equipped with a focusing mechanism 101 at its end, and a cutting nozzle 102 is fixedly connected to its bottom. A protruding plate 103 is fixedly provided on the outer wall of the top of the cutting nozzle 102. The adsorption head 2 is fixed to the outer periphery of the cutting nozzle 102 through the connecting chamber 201 to realize real-time tracking of the movement trajectory of the cutting nozzle 102, which is used to shorten the distance for dust capture. The adsorption head 2 is a tapered tube structure with a gradually expanding top and a gradually narrowing bottom, and it and the interior of the connecting chamber 201 are connected to form an inner cavity for exhaust. The inner diameter of the adsorption head 2 is larger than the outer diameter of the cutting nozzle 102. The inner surface wall of the adsorption head 2 is covered with a heat insulation sleeve 214. The connecting chamber 201 is integrally formed on the top of the adsorption head 2. The connecting chamber 201 is connected to the protruding plate 103 through the fastener 213 at the top to form a detachable threaded connection.

[0020] According to the above structure, the robotic arm 1 achieves flexible movement in any angle and direction in space through multi-axis coordination, thereby driving the focusing mechanism 101, cutting nozzle 102 and other components at its end to move around the aluminum profile being processed. The focusing mechanism 101 achieves non-contact cutting by focusing a high-energy laser beam and emitting it through the cutting nozzle 102. The adsorption head 2 is fitted onto the outside of the cutting nozzle 102 from the bottom. When the connecting chamber 201 abuts against the protruding plate 103, the fastener 213 is inserted into the preset hole groove of the protruding plate 103 and fixed after being tightened by the nut. During the cutting process of the cutting nozzle 102, the adsorption head 2 can move along its trajectory to extract dust particles. There is a preset gap between the adsorption head 2 and the cutting nozzle 102 to block the heat transfer of the cutting nozzle 102. At the same time, the heat insulation sleeve 214 made of high-temperature resistant materials such as silicone and ceramic fiber further blocks the heat, ensuring the durability and stability of the adsorption head 2.

[0021] The working principle of this invention is as follows: the connecting chamber 201 is rigidly connected to the cutting nozzle 102 through the convex plate 103, which enables the adsorption head 2 to synchronously follow the movement of the cutting nozzle 102 to capture smoke and dust in real time, preventing the spread and escape of exhaust gas and smoke.

[0022] Example 2: See attached document Figures 3-6 The adsorption head 2 captures smoke and dust through the air inlet 202, and works with the cleaning brush 205 to rub and peel off dust particles from the rotatable screen cylinder 206, thus separating the exhaust gas from the dust particles. The air inlet 202 is circumferentially spaced through the outer wall of the adsorption head 2 and is connected to the inner cavity of the adsorption head 2. The dust collection port 203 is axially spaced through the outer wall of the adsorption head 2 and is located between two adjacent air inlets 202. A cover 204 is detachably fixed to the outside of the dust collection port 203. The cleaning brush 205 is fixed to the inner side wall of the cover 204 and is located inside the dust collection port 203. The screen cylinder 206 is coaxially rotatably disposed in the inner cavity of the adsorption head 2, and the end of the cleaning brush 205 abuts against the outer wall of the screen cylinder 206. The surface of the screen cylinder 206 is densely covered with micropores with a diameter ≤50μm, and its material is stainless steel made by sintering.

[0023] See attached document Figures 4-7The bottom of the adsorption head 2 is rotatably connected to a gear 207. A circular hole for the cutting nozzle 102 to pass through is opened at the shaft of the gear 207. The bottom of the screen cylinder 206 is fixedly connected to the top surface of the gear 207. A micro motor 208 is fixedly installed on one side of the outer wall of the adsorption head 2. The output end of the micro motor 208 is connected to a gear 209 that meshes with the gear 207. The outer covers of the gear 207 and the gear 209 are symmetrically arranged protective covers 210. An annular plate 215 is fixed on the bottom outer wall of the adsorption head 2 above the gear 207. The annular plate 215 extends to the bottom of the top panel of the protective cover 210 to support it. A limit block 216 is fixed on the top surface of the annular plate 215 at the joint of the two protective covers 210. A notch 217 for matching and fitting with the limit block 216 is opened at the joint of the protective covers 210. The two protective covers 210 are detachably connected by a fastener 218.

[0024] According to the above structure, the adsorption head 2 draws the smoke and dust from the cutting process into its inner cavity through the air inlet 202. At the same time, the sieve cylinder 206 with micropores of ≤50μm diameter filters and blocks dust particles. When the micro motor 208 is powered by the cable, it can drive the gear 209 to rotate. The gear 209 drives the gear 1 to rotate. The gear 1 drives the sieve cylinder 206 to rotate. The bottom of the sieve cylinder 206 is fixedly connected to the gear 1 207, and its top is also rotatably connected to the inner cavity of the adsorption head 2 to ensure the stability of its movement. Furthermore, the outer wall of the sieve cylinder 206 fits snugly against the outer surface of the inner cavity of the adsorption head 2, with a gap of less than 5mm. The cover 204 is fixed to the adsorption head 2 by bolts at both ends and seals the dust collection port 203. The cleaning brush 205 on one side extends into the dust collection port 203 and abuts against the surface of the sieve cylinder 206. During the rotation of the sieve cylinder 206, the dust particles adhering to its outer wall are peeled off by friction and fall into the dust collection port 203. The cleaning brush 205 can be made of materials such as nylon and fiberglass to enhance wear resistance.

[0025] Furthermore, the protective cover 210 covers the outside of the gear 1 207 and gear 209 along their contours to protect them. After the two protective covers 210 come together, their inner edges fit against the bottom outer wall of the suction head 2. At this time, the annular piece 215 is located below the top panel of the protective cover 210 to support the protective cover 210 and prevent it from falling. At the same time, the notch 217 and the limiting block 216 form a matching fit to prevent the protective cover 210 from rotating and shaking. Finally, the two are fastened together by the fastener 218.

[0026] The working principle of this invention is as follows: the waste gas and dust particles are separated by the sieve cylinder 206, and the dust particles on the surface of the sieve cylinder 206 are rubbed off by the cleaning brush 205, laying the foundation for the diversion and discharge of waste gas and dust particles.

[0027] Example 3: See attached document Figures 2-6 The adsorption head 2 forms a time-controlled dual-air path structure with the dust discharge main pipe 219 and the exhaust main pipe 220, which is used to separately discharge the waste gas in the inner cavity of the adsorption head 2 and the settled dust particles in the dust collection port 203, so as to realize the diversion and discharge of pollutants. The dust discharge main pipe 219 is connected to several dust discharge branch pipes 211 at the end. The dust discharge branch pipes 211 are evenly inserted into the top side wall of the adsorption head 2 in the circumferential direction and form a dust discharge port at the top of the dust collection port 203. The exhaust main pipe 220 is connected to a pair of exhaust branch pipes 212 at the end. The exhaust branch pipes 212 are inserted into the outer wall of the connecting chamber 201 and communicate with the inner cavity of the adsorption head 2.

[0028] Based on the above structure, it should be noted that the core innovation of this invention lies in the dust diversion structure of the adsorption head 2. The external dust removal / purification equipment required for the dust discharge main pipe 219 and the exhaust main pipe 220 are conventional technical means in this field. In order to maintain the clarity of the drawings and highlight the key points of the invention, the drawings of this application focus on showing the internal structure of the adsorption head 2. However, for the convenience of those skilled in the art to understand, the specific connection relationship of the external equipment is described below: the end of the dust discharge main pipe 219 extending outward can be selectively connected to conventional dust removal equipment such as a cyclone separator or a bag filter, and the end of the exhaust main pipe 220 can be selectively connected to conventional purification equipment such as an activated carbon adsorption tower or a UV photolysis device, forming a time-controlled dual-air path structure driven by a time delay relay. Furthermore, the specific implementation method is as follows: A high-pressure centrifugal fan or other negative pressure equipment provides suction force to the two branches; a two-position five-way solenoid valve is connected in series with each of the two air paths, and its opening and closing state is controlled by a PLC controller. During cutting operations, a time-delay relay triggers the opening of the solenoid valve on the main exhaust pipe 220 and the closing of the solenoid valve on the main dust exhaust pipe 219. The negative pressure airflow from the main exhaust pipe 220 enters the inner cavity of the adsorption head 2 through the two exhaust branch pipes 212, and draws in and exhausts external waste gas through the air inlet 202. Furthermore, after the cutting work is completed, the PLC controller controls the time delay relay to close the solenoid valve of the exhaust main pipe 220 and open the solenoid valve of the dust discharge main pipe 219. The negative pressure airflow passes through the interior of the adsorption head 2 through several dust discharge branch pipes 211 to suck up and discharge the dust particles in the dust discharge port 203. The number of dust discharge branch pipes 211 corresponds to the number of dust discharge ports 203.

[0029] The working principle of this invention is as follows: by switching the exhaust manifold 220 and dust discharge manifold 219 on and off before and after the cutting operation through the PLC controller and the time delay relay, the two air paths can be used to separately suck up and discharge waste gas and dust particles to prevent cross-contamination.

[0030] The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained in this invention are implemented according to conventional methods in the art unless otherwise specified or limited.

Claims

1. A multi-angle CNC cutting robot for aluminum profiles, comprising a robotic arm (1) and an adsorption head (2) coaxially sleeved around a cutting nozzle (102), characterized in that: The adsorption head (2) is fixed to the outer periphery of the cutting nozzle (102) through the connecting chamber (201) to realize real-time tracking of the movement trajectory of the cutting nozzle (102) and shorten the distance for dust capture; The adsorption head (2) captures smoke and dust through the air inlet (202) and works with the cleaning brush (205) to rub and peel off dust particles from the rotatable screen cylinder (206), thereby achieving the separation of exhaust gas and dust particles. The adsorption head (2) forms a time-controlled dual-air path structure through the dust discharge main pipe (219) and the exhaust main pipe (220), which is used to separately discharge the waste gas in the inner cavity of the adsorption head (2) and the settled dust particles in the dust collection port (203), so as to realize the diversion and discharge of pollutants.

2. The aluminum profile multi-angle CNC cutting robot according to claim 1, characterized in that: The end of the robotic arm (1) is equipped with a focusing mechanism (101), and a cutting nozzle (102) is fixedly connected to its bottom. A protruding plate (103) is fixedly provided on the outer wall of the top of the cutting nozzle (102). The connecting chamber (201) is integrally formed on the top of the adsorption head (2), and the connecting chamber (201) is connected to the protruding plate (103) through the fastener (213) on the top to form a detachable threaded connection.

3. The aluminum profile multi-angle CNC cutting robot according to claim 2, characterized in that: The adsorption head (2) is a tapered tube structure with a gradually expanding top and a gradually contracting bottom, and it communicates with the interior of the connecting chamber (201) to form an inner cavity for exhaust. The inner diameter of the adsorption head (2) is larger than the outer diameter of the cutting nozzle (102), and the inner surface of the adsorption head (2) is covered with a heat insulation sleeve (214).

4. The aluminum profile multi-angle CNC cutting robot according to claim 3, characterized in that: The air inlet (202) is circumferentially spaced through the outer wall of the adsorption head (2) and is connected to the inner cavity of the adsorption head (2); The dust collection port (203) is axially opened through the outer wall of the adsorption head (2) and is located between two adjacent air inlets (202).

5. The aluminum profile multi-angle CNC cutting robot according to claim 4, characterized in that: A cover (204) is detachably fixed to the outside of the dust collection port (203), and the cleaning brush (205) is fixed to the inner wall of the cover (204) and located inside the dust collection port (203); The sieve cylinder (206) is coaxially rotatably disposed in the inner cavity of the adsorption head (2), and the end of the cleaning brush (205) abuts against the outer wall of the sieve cylinder (206). The surface of the sieve cylinder (206) is densely covered with micropores with a diameter of ≤50μm, and it is made of stainless steel by sintering process.

6. The aluminum profile multi-angle CNC cutting robot according to claim 5, characterized in that: The bottom of the adsorption head (2) is rotatably connected to a gear (207), and a circular hole is provided at the shaft center of the gear (207) for the cutting nozzle (102) to pass through. The bottom of the screen cylinder (206) is fixedly connected to the top surface of the gear (207). A micro motor (208) is fixedly installed on one side of the outer wall of the adsorption head (2), and the output end of the micro motor (208) is connected to a gear two (209) that meshes with gear one (207).

7. The aluminum profile multi-angle CNC cutting robot according to claim 6, characterized in that: The outer covers of gear one (207) and gear two (209) are provided with symmetrically arranged protective covers (210). The bottom outer wall of the adsorption head (2) and above gear one (207) is fixed with an annular plate (215). The annular plate (215) extends to the bottom of the top panel of the protective cover (210) to support it.

8. The aluminum profile multi-angle CNC cutting robot according to claim 7, characterized in that: A limiting block (216) is fixed on the top surface of the annular piece (215) and at the joint of the two protective covers (210). The joint of the protective covers (210) is provided with a notch (217) for matching and fitting with the limiting block (216). The two protective covers (210) are connected in a detachable manner by fastener two (218).

9. The aluminum profile multi-angle CNC cutting robot according to claim 1, characterized in that: The dust discharge main pipe (219) is connected to a plurality of dust discharge branch pipes (211) at the end. The dust discharge branch pipes (211) are evenly inserted into the top side wall of the adsorption head (2) in the circumferential direction and form a dust discharge port at the top of the dust discharge port (203). The exhaust manifold (220) has a pair of exhaust branch pipes (212) extending through its end. The exhaust branch pipes (212) penetrate the outer wall of the connecting chamber (201) and communicate with the inner cavity of the adsorption head (2).

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