CN110756871A - Intelligent chamfering device for special-shaped steel plate - Google Patents

Abstract

The invention relates to the field of mechanical processing equipment, and provides an intelligent chamfering processing device for special-shaped steel plates, comprising a moving mechanism, a chamfering processing mechanism, a steel plate support mechanism, a detection mechanism, a numerical control operation box and two parallelly arranged linear bases; The chamfering processing mechanism includes: the connecting frame of the chamfering processing mechanism, the self-tool-changing mechanical spindle, the spindle motor and the special milling cutter; the connecting frame of the chamfering processing mechanism is fixed on the moving mechanism, and the main shaft motor is fixed on the connecting frame of the chamfering processing mechanism; A self-tool-changing mechanical spindle is set at the bottom of the connecting frame of the angle machining mechanism, and a special milling cutter is installed at the bottom of the self-tool-changing mechanical spindle; the output end of the spindle motor is connected with the input end of the self-tool-changing mechanical spindle; the detection mechanism includes: camera frame, line array A camera and a bar light source; the camera frame is arranged on the moving mechanism, the upper beam of the camera frame is arranged with a line scan camera, and the lower beam of the camera frame is arranged with a bar light source. The invention can realize automatic processing of double-sided chamfering of special-shaped steel plates and improve work efficiency.

Description

Special-shaped steel plate intelligent chamfering processing device

technical field

The invention relates to the field of mechanical processing equipment, in particular to an intelligent chamfering processing device for special-shaped steel plates.

Background technique

The application of steel plate is very extensive, and it is very common in industry, agriculture, etc., and can be seen everywhere in nuclear power and shipbuilding. With the development of the industry, the requirements for the machining accuracy of steel plates are getting higher and higher, and most of the holes to be machined or the edges of the steel plates are irregular in shape, and double-sided chamfering is required.

At present, the double-sided chamfering of holes and edges of special-shaped steel plates is generally processed manually by hand-held chamfering machines. The work efficiency is low, and the machining accuracy is uneven, which directly affects the production work of enterprises, and there are great limitations.

SUMMARY OF THE INVENTION

The invention mainly solves the technical problems that the hole and edge chamfering operation of the special-shaped steel plate in the prior art is processed manually by a hand-held chamfering machine, the work efficiency is low, and the processing accuracy is uneven, and an intelligent chamfering operation of the special-shaped steel plate is proposed. Corner processing device to realize automatic processing of double-sided chamfering of special-shaped steel plate, fast working speed, wide range of applicable workpieces, high degree of automation, liberating a lot of labor, improving work efficiency and saving costs.

The invention provides an intelligent chamfering processing device for special-shaped steel plates, comprising: a moving mechanism, a chamfering processing mechanism, a steel plate support mechanism, a detection mechanism, a numerical control operation box and two parallelly arranged linear bases (1);

The moving mechanism is used to drive the chamfering processing mechanism and the detection mechanism to move, and the moving mechanism is arranged on the two bases (1);

The steel plate support mechanism is used to support the special-shaped steel plate to be processed, and the steel plate support mechanism is arranged between two bases (1) arranged in parallel;

The chamfering processing mechanism comprises: a chamfering processing mechanism connecting frame (6), a self-tool-changing mechanical spindle (7), a spindle motor (8) and a special milling cutter (11); the chamfering processing mechanism connecting frame (6) ) is fixed on the moving mechanism, the main shaft motor (8) is fixed on the connecting frame of the chamfering processing mechanism (6); A special milling cutter (11) is installed at the bottom of the self-tool-changing mechanical spindle (7); the output end of the spindle motor (8) is drive-connected with the input end of the self-tool-changing mechanical spindle (7);

The detection mechanism comprises: a camera frame (17), a line scan camera (18) and a bar light source (19); the camera frame (17) is arranged on the moving mechanism, and the upper beam of the camera frame (17) is arranged A line scan camera (18), wherein a bar light source (19) is provided on the lower beam of the camera frame (17);

The moving mechanism, the spindle motor (8), the line scan camera (18) and the bar light source (19) are respectively electrically connected with the numerical control operation box.

Preferably, the moving mechanism comprises: an x-axis motor (4), an x-axis slide rail (2), a gantry (3), a two-axis truss robot (5) and a sliding connecting plate (24);

The x-axis sliding rail (2) is arranged on the base (1), a sliding connecting plate (24) is slidably arranged on the x-axis sliding rail (2), and a gantry frame is fixedly arranged on the sliding connecting plate (24). (3), a two-axis truss robot (5) is provided on the beam of the gantry (3);

The body of the x-axis motor (4) is fixed on the sliding connecting plate (24), and the output shaft of the x-axis motor (4) is engaged with the rack of the x-axis slide rail (2) through gears;

The x-axis motor (4) and the two-axis truss robot (5) are respectively electrically connected with the numerical control operation box.

Preferably, the detection mechanism further comprises: an edge-finding motor (10) and a three-dimensional laser profile scanner (12);

The body of the edge-finding motor (10) is arranged on the connecting piece (6) of the chamfering processing mechanism; the output end of the edge-finding motor (10) is installed outside the self-tool-changing mechanical main shaft (7) through a pulley and a belt. The bearing (26) is connected;

A three-dimensional laser profile scanner (12) is fixedly installed under the outer ring of the bearing (26);

The edge finding motor (10) and the three-dimensional laser profile scanner (12) are respectively electrically connected with the numerical control operation box.

Preferably, the chamfering mechanism further comprises: a knife cylinder (9);

The cylinder body of the knife-beating cylinder (9) is arranged on the connecting frame (6) of the chamfering processing mechanism, and the piston rod of the knife-beating cylinder (9) extends into the self-tool-changing mechanical spindle (7); The knife cylinder (9) is connected with the air source, and the air source is electrically connected with the numerical control operation box.

Preferably, the steel plate support mechanism includes: a support frame (21), a cylinder seat plate (22) and a plurality of support cylinders (23);

A cylinder seat plate (22) is fixedly arranged on the support frame (21), a plurality of support cylinders (23) are arranged on the bottom plane of the cylinder seat plate (22), and the piston rod of the support cylinder (23) is fixed on the A support rod (15) is provided; the support rod (15) passes through the cylinder seat plate (22); the support cylinder (23) is connected with an air source, and the air source is electrically connected with the numerical control operation box.

Preferably, the cylinder seat plate (22) is slidably connected to the support rod (15) through a linear bearing.

Preferably, a pulley is further provided on the sliding connecting plate (24), and the pulley is arranged in cooperation with the x-axis slide rail (2).

Preferably, the gantry frame (3) is further provided with a tool magazine frame (13);

A tool magazine cylinder is installed on the tool magazine frame (13), a beam is installed on the piston rod of the tool magazine cylinder, and a plurality of sets of spring tool clips (16) are installed on the beam in a straight line distribution. A variety of special milling cutters (11) of different specifications are placed; the tool magazine cylinder is connected to an air source, and the air source is electrically connected to a numerical control operation box.

Preferably, a plurality of compressed air injection ports (14) are arranged on the top of the tool magazine rack (13); the compressed air injection ports (14) are connected to an air source, and the air source is electrically connected to a numerical control operation box.

Preferably, a protective cover (20) is further installed on the outside of the gantry (33), and an observation window is provided on the side of the protective cover (20);

A chamfering mechanism cover (25) is also installed on the connecting frame (6) of the chamfering mechanism.

The intelligent chamfering processing device for special-shaped steel plates provided by the invention has an ingenious structure and reasonable layout. When the special-shaped steel plate chamfering needs to be processed, the workpiece to be processed can be placed on the steel plate support mechanism for processing, and the working speed is fast and suitable for The wide range of workpieces and high degree of automation can meet the needs of double-sided chamfering of special-shaped steel plates, liberate a lot of labor, and improve work efficiency and save costs. The above effects have greatly improved the current situation and greatly meet the needs of customers. Suitable for special-shaped steel plates, special-shaped holes, and double-sided chamfering operations. Therefore, it can be said that it has many advantages. It is a kind of steel plate chamfering equipment suitable for various industries such as ships, aerospace, petrochemical, metallurgy, nuclear power, steel structure, etc., and its market prospect is very broad.

Description of drawings

Fig. 1 is the perspective view of the special-shaped steel plate intelligent chamfering processing device provided by the present invention;

Fig. 2 is the front view of the special-shaped steel plate intelligent chamfering processing device provided by the present invention;

Fig. 3 is the right side view of the special-shaped steel plate intelligent chamfering processing device provided by the present invention;

Fig. 4 is the top view of the special-shaped steel plate intelligent chamfering processing device provided by the present invention;

FIG. 5 is a schematic structural diagram of a chamfering mechanism.

Reference numerals: 1-base, 2-x-axis slide rail, 3-gantry, 4-x-axis motor, 5-two-axis truss robot, 6-chamfering mechanism connecting frame, 7-self-tool-changing mechanical spindle , 8-spindle motor, 9-knife cylinder, 10-edge search motor, 11-special milling cutter, 12-3D laser profile scanner, 13-tool magazine frame, 14-compressed air injection port, 15-support rod, 16-spring tool holder, 17-camera frame, 18-line scan camera, 19-strip light source, 20-protective cover, 21-support frame, 22-cylinder seat plate, 23-support cylinder; 24-slide connection plate; 25-Chamfering mechanism cover; 26-Bearing.

Detailed ways

In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all of the contents related to the present invention.

Fig. 1 is the perspective view of the special-shaped steel plate intelligent chamfering processing device provided by the present invention; Fig. 2 is the front view of the special-shaped steel plate intelligent chamfering processing device provided by the present invention; Fig. 3 is the special-shaped steel plate intelligent chamfering processing device provided by the present invention. Right side view; FIG. 4 is a top view of the intelligent chamfering processing device for special-shaped steel plates provided by the present invention. As shown in Figures 1-4, the intelligent chamfering processing device for special-shaped steel plates provided by the embodiment of the present invention includes: a moving mechanism, a chamfering processing mechanism, a steel plate support mechanism, a detection mechanism, a numerical control operation box, and two parallelly arranged linear pedestal 1.

The moving mechanism is used to drive the chamfering processing mechanism and the detection mechanism to move, and the moving mechanism is arranged on the two bases 1 . Specifically, the moving mechanism includes: an x-axis motor 4 , an x-axis slide rail 2 , a gantry 3 , a two-axis truss robot 5 and a sliding connection plate 24 ; wherein, the x-axis slide rail 2 is arranged in parallel on the base 1 On the upper side, a sliding connection plate 24 is slidably arranged on the x-axis slide rail 2, a gantry frame 3 is fixedly arranged on the sliding connection plate 24, and a two-axis truss robot 5 is arranged on the beam of the gantry frame 3; the x-axis The body of the motor 4 is fixed on the sliding connection plate 24, the output shaft of the x-axis motor 4 is engaged with the rack of the x-axis slide rail 2 through gears, and the rack is installed on the side of the x-axis slide rail 2 and is connected with the x-axis slide rail. 2 are parallel and equal. A pulley is also provided on the sliding connection plate 24 , and the pulley is arranged in cooperation with the x-axis slide rail 2 . A protective cover 20 is also installed outside the gantry frame 33 , and an observation window is provided on the side of the protective cover 20 .

The moving mechanism of this embodiment controls the gantry 3 to slide along the x-axis slide rail 2 through the rack and pinion drive, and the gear is driven by the x-axis motor 4 .

FIG. 5 is a schematic structural diagram of a chamfering mechanism. As shown in FIG. 5 , the chamfering machining mechanism includes: a chamfering machining mechanism connecting frame 6 , a self-tool-changing mechanical spindle 7 , a spindle motor 8 , a cutter cylinder 9 and a special milling cutter 11 ; the chamfering machining mechanism is connected to The frame 6 is fixed on the moving mechanism, and the main shaft motor 8 is fixed on the connecting frame 6 of the chamfering processing mechanism; the bottom of the connecting frame 6 of the chamfering processing mechanism is provided with a self-tool-changing mechanical spindle 7, and the bottom of the self-tool-changing mechanical spindle 7 A special milling cutter 11 is installed; the output end of the spindle motor 8 is drive-connected with the input end of the self-tool-changing mechanical spindle 7 . Specifically, the connecting frame 6 of the chamfering processing mechanism is fixed on the terminal of the two-axis truss robot 5 , and specifically, the mechanism is moved in the z-axis direction of the two-axis truss robot 5 . The output end of the spindle motor 8 is connected with the rotating shaft of the self-tool-changing mechanical main shaft 7 through a pulley and a belt, so that the spindle motor 8 drives the rotating shaft of the self-tool-changing mechanical main shaft 7 to rotate, and then drives the special milling cutter 11 to rotate, so as to realize the special milling cutter 11 Chamfering of special-shaped steel plates. A chamfering mechanism cover 25 is attached to the outside of the chamfering mechanism.

The chamfering processing device of this embodiment also provides an automatic tool changing function, and the gantry frame 3 is also provided with a tool magazine frame 13; A beam is installed on the end, and a plurality of sets of spring tool holders 16 are installed on the beam in a straight line. Various special milling cutters 11 of different specifications are placed on the spring tool holders 16; the tool magazine cylinder is connected to the air source. A compressed air blowing port 14 is arranged on the top of the tool magazine frame 13 ; the compressed air blowing port 14 is connected to an air source.

In this embodiment, the special milling cutter 11 is a forming milling cutter, and there are multiple sets of special milling cutters 11 of different specifications clamped on the spring tool holder 16 of the tool magazine frame 13, and there are forming milling cutters for lower surface machining and upper surface milling cutters. Forming cutter for machining. According to the processing needs, the machine can automatically change the tool. The tool magazine cylinder of the tool magazine frame 13 can push forward a row of forming milling cutters clamped on the beam, and the two-axis truss robot 5 moves the bottom mounting hole of the self-tool-changing mechanical spindle 7 to the top of the corresponding tool and then moves down. , and then through the cooperation of the cutter cylinder 9 and the self-tool-changing mechanical spindle 7, the self-tool-changing mechanical spindle 7 can clamp the tool holder of the forming milling cutter and fix it. The specific tool-changing process: the cylinder body of the tool-changing cylinder 9 is arranged on the connecting frame 6 of the chamfering machining mechanism, and the piston rod of the tool-changing cylinder 9 extends into the self-tool-changing mechanical spindle 7 and is connected with the self-tool-changing mechanical spindle 7 The gripping claw is connected; the knife cylinder 9 is connected with the air source. When the tool needs to be changed, the piston rod of the tool-changing cylinder 9 extends into the self-tool-changing mechanical spindle 7, which can push the gripper in the self-tool-changing mechanical spindle 7 to open, and the gripper is released to open the special milling cutter 11; When the piston rod of the cylinder 9 is lifted, the gripper in the self-tool-changing mechanical spindle 7 can grasp the special milling cutter 11 to be replaced, thereby realizing automatic tool-changing.

The chamfering processing mechanism of this embodiment can use the two-axis truss robot 5 to realize the movement in the y-axis direction and the z-axis direction, and use the x-axis motor 4 to realize the movement in the x-axis direction. After the chamfering processing mechanism moves to the processing position, the main shaft The rotation of the output shaft of the motor 8 drives the special milling cutter 11 to rotate through the rotating shaft of the self-tool-changing mechanical spindle 7, so as to realize the processing of the chamfer.

The steel plate support mechanism is used to support the special-shaped steel plate to be processed, and the steel plate support mechanism is arranged between two bases 1 arranged in parallel. The steel plate support mechanism includes: a support frame 21, a cylinder seat plate 22 and a plurality of support cylinders 23; a cylinder seat plate 22 is fixedly arranged on the support frame 21, and a plurality of supports are arranged on the bottom plane of the cylinder seat plate 22. For the cylinder 23, a support rod 15 is fixed on the piston rod of the support cylinder 23; the support rod 15 passes through the cylinder seat plate 22; the support cylinder 23 is connected to the air source. The cylinder seat plate 22 is slidably connected to the support rod 15 through a linear bearing, and the support rod 15 can slide up and down in the linear bearing.

In the steel plate support mechanism of this embodiment, the steel plate to be processed is placed on the steel plate support mechanism, and the bottom of the steel plate to be processed is supported by the support rod 15, and the support rod 15 is driven to rise and fall by the expansion and contraction of the piston rod of the supporting cylinder 23, so as to realize the lifting and lowering of the steel plate to be processed; According to the scanning result of the detection mechanism in this embodiment, the numerical control operation box controls a part of the support cylinder 23 of the steel plate support mechanism to work, lifts the support rods 15 of this part, and supports the steel plate to be processed by these support rods 15. The hole positions of the steel plate to be processed Or the support rod 15 below the edge to be processed does not rise, avoiding the edge and hole position of the steel plate to be processed, supporting and raising the steel plate to be processed, and the support part avoids the part to be processed, so it will not interfere with the chamfering operation of the bottom surface. .

The detection mechanism includes: a camera frame 17, a line scan camera 18, a bar light source 19, an edge-finding motor 10 and a three-dimensional laser profile scanner 12; the camera frame 17 is arranged on the moving mechanism, and the camera frame 17 is specifically arranged on the sliding surface. On the connecting plate 24 and above the front end of the gantry frame 3 , the upper beam of the camera frame 17 is provided with a line scan camera 18 , and the lower beam of the camera frame 17 is provided with a bar light source 19 . The body of the edge-finding motor 10 is arranged on the connecting piece 6 of the chamfering processing mechanism; the output end of the edge-finding motor 10 is connected to the bearing 26 installed outside the main shaft 7 of the self-tool changing machine through a pulley and a belt; the bearing 26 The three-dimensional laser profile scanner 12 is fixedly installed under the outer ring, and the rotation of the output shaft of the edge-finding motor 10 can drive the outer ring of the bearing 26 to rotate, thereby making the three-dimensional laser profile scanner 12 rotate around the self-tool-changing mechanical spindle 7 .

In the detection mechanism of this embodiment, the strip light source 19 provides strip light, the x-axis motor 4 works, drives the line scan camera 18 to move in the x-axis direction, collects the shape signal of the entire steel plate to be processed, and sends the entire plate to be processed. The shape signal is transmitted to the numerical control operation box, and then controls the x-axis motor 4, the two-axis truss robot 5, and the spindle motor 8 to work. The output shaft of the spindle motor 8 is connected to the input end of the self-tool-changing mechanical main shaft 7 through the pulley, thereby driving the special milling cutter 11 to rotate, and the output shaft of the edge-finding motor 10 is connected to the outer ring of the bearing 26 through the pulley to rotate, driving the three-dimensional laser profile scanner. 12 rotates around the self-tool-changing mechanical spindle 7. The three-dimensional laser profile scanner 12 scans the signal of the edge to be processed on the steel plate to be processed, and transmits the edge signal to be processed to the numerical control operation box, and then controls the x-axis motor 4, the two-axis truss robot 5, and the spindle motor 8 to work; Air source, thereby controlling a plurality of support cylinders 23, each support cylinder 23 is lifted and lowered, only a part of the support cylinder 23 with the steel plate above is operated, and the support rod 15 of this part is lifted, and the steel plate to be processed is supported by these support rods 15. , the hole position of the steel plate to be processed or the support rod 15 under the edge to be processed does not rise. Then, the edge to be chamfered can be set through the CNC operation box, and then the chamfering processing mechanism can be controlled to move to the edge to be processed for chamfering. In order to supplement the accuracy of the signal scanned by the line scan camera 18, the special milling cutter 11 A three-dimensional laser contour scanner 12 is installed on the periphery, which is used for edge-finding while processing, and the edge-finding is assisted by the scanned edge signal to control the chamfering processing mechanism.

In the present embodiment, pneumatic equipment such as the knife cylinder 9, the compressed air injection port 14, and the support cylinder 23 are connected to the air source. The x-axis motor 4, the two-axis truss robot 5, the spindle motor 8, the knife cylinder 9, the edge-finding motor 10, the three-dimensional laser profile scanner 12, the line scan camera 18, the bar light source 19, the air source and other electronic control components They are respectively electrically connected with the numerical control operation box, and are controlled by the numerical control operation box.

The working principle of the intelligent chamfering processing device for special-shaped steel plates in this embodiment: the x-axis motor 4 works to drive the gantry 3 and all the mechanisms on it to move, the line scan camera 18 is used to scan the steel plate to be processed, and the bar light source 19 illuminates The part to be scanned of the steel plate to be processed provides a light source for the scanning operation; according to the scanning result of the line scan camera 18, the numerical control operation box controls the supporting cylinder 23 of a part of the steel plate support mechanism to work, avoiding the edge and hole position of the steel plate to be processed, and supporting the lifting of the steel plate . According to the scanning results, the numerical control system controls the x-axis motor 4, the two-axis truss robot 5 and the chamfering processing mechanism on it, and moves the special milling cutter 11 to the processing position to perform the chamfering operation on the steel plate. The special milling cutter 11 has an upper surface The forming milling cutter for machining and the forming milling cutter for lower surface machining realize automatic machining of double-sided chamfering. During the chamfering operation, the 3D laser profile scanner 12 can rotate around the self-tool-changing mechanical spindle 7 through the edge finding motor 10, and the 3D laser profile scanner 12 is used to scan and find the edge in real time to accurately locate the scanned edge.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: Modifications to the technical solutions described in the foregoing embodiments, or equivalent replacement of some or all of the technical features thereof, do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A special-shaped steel plate intelligent chamfering processing device is characterized in that, comprising: a moving mechanism, a chamfering processing mechanism, a steel plate support mechanism, a detection mechanism, a numerical control operation box and two parallelly arranged linear bases (1) ; The moving mechanism is used to drive the chamfering processing mechanism and the detection mechanism to move, and the moving mechanism is arranged on the two bases (1); The steel plate support mechanism is used to support the special-shaped steel plate to be processed, and the steel plate support mechanism is arranged between two bases (1) arranged in parallel; The chamfering processing mechanism comprises: a chamfering processing mechanism connecting frame (6), a self-tool-changing mechanical spindle (7), a spindle motor (8) and a special milling cutter (11); the chamfering processing mechanism connecting frame (6) ) is fixed on the moving mechanism, the main shaft motor (8) is fixed on the connecting frame of the chamfering processing mechanism (6); A special milling cutter (11) is installed at the bottom of the self-tool-changing mechanical spindle (7); the output end of the spindle motor (8) is drive-connected with the input end of the self-tool-changing mechanical spindle (7); The detection mechanism comprises: a camera frame (17), a line scan camera (18) and a bar light source (19); the camera frame (17) is arranged on the moving mechanism, and the upper beam of the camera frame (17) is arranged A line scan camera (18), wherein a bar light source (19) is provided on the lower beam of the camera frame (17); The moving mechanism, the spindle motor (8), the line scan camera (18) and the bar light source (19) are respectively electrically connected with the numerical control operation box. 2. The intelligent chamfering processing device for special-shaped steel plates according to claim 1, wherein the moving mechanism comprises: an x-axis motor (4), an x-axis slide rail (2), a gantry (3), a two-axis a truss robot (5) and a sliding connecting plate (24); The x-axis sliding rail (2) is arranged on the base (1), a sliding connecting plate (24) is slidably arranged on the x-axis sliding rail (2), and a gantry frame is fixedly arranged on the sliding connecting plate (24). (3), a two-axis truss robot (5) is provided on the beam of the gantry (3); The body of the x-axis motor (4) is fixed on the sliding connecting plate (24), and the output shaft of the x-axis motor (4) is engaged with the rack of the x-axis slide rail (2) through gears; The x-axis motor (4) and the two-axis truss robot (5) are respectively electrically connected with the numerical control operation box. 3. The intelligent chamfering processing device for special-shaped steel plates according to claim 1, wherein the detection mechanism further comprises: an edge-finding motor (10) and a three-dimensional laser profile scanner (12); The body of the edge-finding motor (10) is arranged on the connecting piece (6) of the chamfering processing mechanism; the output end of the edge-finding motor (10) is installed outside the self-tool-changing mechanical main shaft (7) through a pulley and a belt. The bearing (26) is connected; A three-dimensional laser profile scanner (12) is fixedly installed under the outer ring of the bearing (26); The edge finding motor (10) and the three-dimensional laser profile scanner (12) are respectively electrically connected with the numerical control operation box. 4. The intelligent chamfering processing device for special-shaped steel plates according to claim 1, wherein the chamfering processing mechanism further comprises: a knife cylinder (9); The cylinder body of the knife-beating cylinder (9) is arranged on the connecting frame (6) of the chamfering processing mechanism, and the piston rod of the knife-beating cylinder (9) extends into the self-tool-changing mechanical spindle (7); The knife cylinder (9) is connected with the air source, and the air source is electrically connected with the numerical control operation box. 5. The intelligent chamfering processing device for special-shaped steel plates according to claim 1, wherein the steel plate support mechanism comprises: a support frame (21), a cylinder seat plate (22) and a plurality of support cylinders (23); A cylinder seat plate (22) is fixedly arranged on the support frame (21), a plurality of support cylinders (23) are arranged on the bottom plane of the cylinder seat plate (22), and the piston rod of the support cylinder (23) is fixed on the A support rod (15) is provided; the support rod (15) passes through the cylinder seat plate (22); the support cylinder (23) is connected with an air source, and the air source is electrically connected with the numerical control operation box. 6 . The intelligent chamfering processing device for special-shaped steel plates according to claim 5 , wherein the cylinder seat plate ( 22 ) is slidably connected to the support rod ( 15 ) through a linear bearing. 7 . 7 . The intelligent chamfering processing device for special-shaped steel plates according to claim 2 , wherein a pulley is further provided on the sliding connecting plate ( 24 ), and the pulley cooperates with the x-axis slide rail ( 2 ). 8 . 8. The intelligent chamfering processing device for special-shaped steel plates according to claim 2, wherein a tool magazine frame (13) is also provided on the gantry frame (3); A tool magazine cylinder is installed on the tool magazine frame (13), a beam is installed on the piston rod of the tool magazine cylinder, and a plurality of sets of spring tool clips (16) are installed on the beam in a straight line distribution. A variety of special milling cutters (11) of different specifications are placed; the tool magazine cylinder is connected to an air source, and the air source is electrically connected to a numerical control operation box. 9 . The intelligent chamfering processing device for special-shaped steel plates according to claim 8 , wherein a plurality of compressed air injection ports ( 14 ) are arranged on the top of the tool magazine frame ( 13 ); the compressed air injection ports ( 14 ) It is connected with the air source, and the air source is electrically connected with the numerical control operation box. 10. The intelligent chamfering processing device for special-shaped steel plates according to claim 2, wherein a protective cover (20) is also installed outside the gantry (33), and an observation window is provided on the side of the protective cover (20); A chamfering mechanism cover (25) is also installed on the connecting frame (6) of the chamfering mechanism.

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