Plate and profile laser cutting all-in-one machine

Abstract

The application discloses a plate and profile laser cutting integrated machine, which comprises a cutting machine body, a plate cutting mechanism and a profile cutting mechanism, characterized in that the profile cutting mechanism comprises a profile cutting guide rail installed on the side of the cutting machine body and at least two groups of chucks arranged on the profile cutting guide rail. The profile cutting guide rail is installed on the side of the cutting machine body, the profile cutting guide rail and the plate cutting mechanism share a cutting platform, the structure is compact, the laser cutting integrated machine can be manufactured together, only one three-dimensional coordinate system is needed instead of two three-dimensional coordinate systems, the cutting precision is high, and the profile is not limited by the bottom (except the ground). The bottom of the workpiece can be placed on the ground, and the workpiece with a height less than the ground of the beam assembly can be subjected to laser cutting. However, the existing laser cutting integrated machine is limited by the height of the bottom of the split structure and cannot complete the cutting of the workpiece with the size.

Description

TECHNICAL FIELD

[0001] The present application relates to laser cutting equipment, in particular, plate, profile laser cutting all-in-one machine. BACKGROUND

[0002] The existing plate profile laser cutting all-in-one machine, CN107813066A, CN108213739A and as shown in Figure 1 、 Figure 2 The existing plate profile laser cutting all-in-one machine has the following technical problems and defects:

[0003] 1. The profile cutting machine and the plate cutting host body are separated, the structure is loose, and the floor area is large;

[0004] 2. Because the profile cutting machine and the plate cutting host body are separated, two sets of three-dimensional coordinate systems are used to form a profile cutting coordinate system and a plate cutting coordinate system, causing cutting error;

[0005] 3. The profile cutting machine body is independently set, and due to the structural limitation of ensuring the minimum height, it cannot realize the cutting of high workpieces;

[0006] 4. The independent profile cutting machine body has high manufacturing cost.

[0007] The above-mentioned traditional plate and profile all-in-one machine cannot meet the user's requirements for free cutting of height and width, especially height, and cannot fully utilize the effective height of the beam assembly. It should be improved. SUMMARY

[0008] The technical problem to be solved by the present application is that the existing plate and profile all-in-one machine cannot meet the user's requirements for free cutting of workpiece height, large floor area, large cutting error and high cost.

[0009] In order to solve the above technical problems, the inventors have summarized and obtained the technical scheme of the present application through practice. The present application adopts the following technical scheme:

[0010] The plate and profile laser cutting all-in-one machine comprises a cutting machine body, a plate cutting mechanism and a profile cutting mechanism, characterized in that the profile cutting mechanism comprises a profile cutting guide rail installed on the side of the cutting machine body, a rotating table capable of moving along the profile cutting guide rail, and at least two groups of chucks located on the profile cutting guide rail. The rotating table is suitable for clamping and fixing the profile.

[0011] The profile cutting guide rail is installed on the side of the cutting machine body, the profile cutting guide rail and the plate cutting mechanism share the cutting platform, the structure is compact and can be manufactured together, only one set of three-dimensional coordinate system is needed, the cutting precision is high, the profile can not be limited by the bottom (except the ground), the bottom of the workpiece can be placed on the ground, the workpiece with a height less than the ground of the beam assembly can be completed laser cutting, and the existing cutting integrated machine is limited by the height of the bottom of the split structure and cannot complete the cutting of the size, thereby the cutting of the scheme can complete the free cutting of the ultra-high size relative to the prior art.

[0012] In an embodiment, a drag chain system is arranged on each chuck, the drag chain system is arranged between the chuck and the cutting machine body, and a guide member adapted to support the drag chain system is installed on the side of the cutting machine body.

[0013] The drag chain system is arranged between the cutting and the chuck through the guide member, avoiding the vertical heat affected zone of the cutting.

[0014] In an embodiment, a mounting rack is installed on the side of each chuck and rotary table, the mounting rack is adapted to be slidingly installed on the profile cutting guide rail, a connecting rack is fixedly installed on the mounting rack, and the connecting rack is adapted to install the drag chain system.

[0015] In an embodiment, two groups of profile cutting guide rails are arranged above and below the profile cutting guide rail, and a driving member is arranged on each chuck, the driving member is adapted to drive the chuck to move along the length direction of the profile cutting guide rail.

[0016] In an embodiment, the profile cutting guide rail comprises a rack guide rail and a light rail, the rack guide rail is adapted to engage with the gear of the output end of the driving member, and the light rail is adapted to slidingly cooperate with the mounting rack.

[0017] In an embodiment, the guide member comprises a supporting plate fixedly installed on the cutting machine body, and a vertical limiting plate group is installed on the supporting plate.

[0018] In an embodiment, the electric control of the profile cutting mechanism is integrated into a unified electric box through a special channel on the cutting machine body and the electric control of the plate cutting mechanism.

[0019] In an embodiment, the plate cutting mechanism comprises a plate cutting guide rail installed on the cutting machine body, a beam assembly and a cutting head system are installed on the plate cutting guide rail, the profile cutting mechanism and the plate cutting mechanism share the beam assembly and the cutting head system on the cutting machine body, and the plate cutting guide rail, the beam assembly and the cutting system of the plate cutting mechanism have the same structure as the corresponding parts on the existing integrated machine.

[0020] In an embodiment, the chuck comprises a body and a rotating body, a servo motor is mounted on the body, the body drives the rotating body to rotate through the servo motor and a gear transmission structure, a plurality of pressure bodies are mounted on the rotating body and are distributed in a circumferential direction, an end of the pressure body is provided with a pressure roller, and the plurality of pressure rollers are suitable for clamping the profile.

[0021] In an embodiment, a driving body is mounted on the mounting frame, the driving body drives the chuck or the rotating table to move horizontally along the mounting frame and perpendicular to the side wall of the cutting machine body through a gear rack.

[0022] The profile cutting method of the plate and profile laser cutting all-in-one machine is as follows:

[0023] The profile is taken by a hoisting device or a manipulator, a driving component on a chuck on one side is controlled by a numerical control system to move the chuck to the end of the profile, and the end of the profile enters the inside of the chuck;

[0024] The length of the profile inserted into the chuck is increased by controlling the hoisting device or the manipulator, a driving component on an adjacent chuck is controlled by the numerical control system to move the other chuck to the end of the profile and insert it into the chuck, and at least 1 / 6-1 / 5 of the cutting length is inserted out, the driving component on the chuck is controlled by the numerical control system to drive the pressure roller to clamp the profile in the middle;

[0025] The driving component on the chuck controlled by the numerical control system inserts the end of the profile into the clamping area of the rotating table, and the rotating table starts to clamp the end of the profile;

[0026] The cross beam assembly and the cutting head system are moved to the cutting position by the numerical control system, the laser head of the cutting head system is lowered to the cutting position according to the profile shape, and the profile cutting starts, the distance between the laser head and the cutting position is kept constant during the cutting process, and the rotating table and the servo motor drive the rotating body to rotate during the cutting process.

[0027] In an embodiment, when the profile with a rectangular cross section and a relatively thick corner is cut, the cutting head system is moved horizontally relative to the profile side wall to the position where the cutting head system completely passes through the profile side wall by the numerical control system, the driving body on the mounting frame drives the chuck to move to the starting point of the cutting head system cutting the corner of the profile, then the rotating table and the servo motor on the chuck drive the profile to rotate until the cutting head system completely passes through the corner of the profile, at this time, the cutting head system is kept stationary, and the driving body on the mounting frame drives the chuck to move to the initial point of the mounting frame in the opposite direction of the cutting direction of the cutting head system.

[0028] Compared with the prior art, the present application has the following advantages:

[0029] 1. The profile cutting mechanism and the plate cutting mechanism are combined into one on the cutting machine body, which can ensure the horizontal and vertical square precision during manufacturing and processing, that is, the plate cutting and the profile cutting share a three-dimensional coordinate system.

[0030] 2. The profile chuck of the profile cutting part B1, B2 and B3 can be programmed and controlled to move and rotate in the Y-axis direction, so as to realize the programmed cutting of specific profiles.

[0031] 3. The three-chuck moving drag chain system is arranged between the cutting machine body and the three chucks through a guide member, so as to avoid the cutting vertical heat affected zone.

[0032] 4. The three-chuck of the profile cutting mechanism can be controlled to move in the full length range of the machine, which can provide the passing capacity of cutting ultra-high, ultra-wide and ultra-long parts (not higher than the bottom surface of the beam assembly).

[0033] 5. The machine occupies a small area, and the user can flexibly arrange and install.

[0034] 6. The profile cutting part is combined with the plate cutting main machine, the profile cutting electric control part can pass through the channel preset by the plate cutting main machine, so that the electric control of the two parts is combined into one, and the integration of the machine is further integrated. DETAILED DESCRIPTION

[0035] Figure 1 It is a schematic diagram of the overall structure of the plate profile laser cutting all-in-one machine of the application;

[0036] Figure 2 It is a schematic diagram of the overall structure of the plate profile laser cutting all-in-one machine of the application;

[0037] Figure 3 It is a schematic diagram of the overall structure of the plate profile laser cutting all-in-one machine of the application;

[0038] Figure 4 It is a front view of the guide member in the application;

[0039] Figure 5 It is a position relationship diagram of the cutting machine body, the plate cutting guide rail and the profile cutting guide rail;

[0040] Figure 6 It is a front view of the chuck in the application;

[0041] Figure 7 It is a front view of the chuck in the application;

[0042] Figure 8 It is a front view of the chuck in the application;

[0043] Figure 9Cutting range view of the plate profile laser cutting all-in-one machine of the present application;

[0044] Figure 10 Cutting range front view of the plate profile laser cutting all-in-one machine of the present application;

[0045] Figure 11 Cutting range front view of the existing plate profile laser cutting all-in-one machine.

[0046] In the figure: 1, cutting machine body; 2, plate cutting mechanism; 21, plate cutting guide rail; 22, beam assembly and cutting head system; 3, profile cutting mechanism; 31, profile cutting guide rail; 311, rack guide rail; 312, light rail; 32, chuck; 33, drag chain system; 34, guide member; 341, supporting plate; 342, limiting plate group; 35, mounting frame; 36, connecting frame; 37, driving part. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments of the present application.

[0048] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0049] Example 1

[0050] As Figures 1 to 10As shown, the plate and profile laser cutting all-in-one machine comprises a cutting machine body 1, a plate cutting mechanism 2 and a profile cutting mechanism 3. The profile cutting mechanism 3 comprises a profile cutting guide rail 31 installed on the side of the cutting machine body 1, a rotating table 38 capable of moving along the profile cutting guide rail 31, and at least two sets of chucks 32 located on the profile cutting guide rail 31. The rotating table 38 is suitable for clamping and fixing the profile, preferably two sets of chucks 32, which are respectively B1 and B2. The profile cutting part B1, B2 chuck and the rotating table 38 are programmable controlled, which can be controlled to move in the Y-axis direction and rotate, realizing the programmed cutting of the specific profile. The movement adopts a motor, gear and rack transmission structure, which is a common structure in existing machine tools, so the specific position and connection relationship are not described. The self-rotation adopts a motor and a meshing gear set to complete the rotation of the chuck structure. The self-rotation can rotate the profile to complete the laser spot cutting. The rotating table 38 is provided with a motor driven profile rotating and chucking structure, and the chucking structure is located in the clamping area on the rotating table 38.

[0051] The profile cutting mechanism and the plate cutting mechanism are combined into one on the cutting machine body, which can ensure the horizontal and vertical square precision during manufacturing and processing, that is, the plate cutting and the profile cutting share a three-dimensional coordinate system.

[0052] In an embodiment, as shown in Figure 1 and Figure 4 Each of the chucks 32 is provided with a drag chain system 33, which is arranged between the chuck 32 and the cutting machine body 1. The cutting machine body 1 is provided with a guide member 34 suitable for supporting the drag chain system 33 on the side.

[0053] Figure 6 As shown, the guide member 34 comprises a supporting plate 341 fixedly installed on the cutting machine body 1, and a vertical limiting plate set 342 installed on the supporting plate 341. The limiting plate set 342 is suitable for limiting the position of the drag chain system 33 left and right.

[0054] The three-chuck moving drag chain system is arranged between the cutting machine body and the three chucks through the guide member, avoiding the cutting vertical heat affected zone.

[0055] In an embodiment, as shown in Figure 6 Each of the chucks 32 and the rotating table 38 is provided with a mounting bracket 35 on the side, which is suitable for slidingly installed on the profile cutting guide rail 31. The mounting bracket 35 is fixedly provided with a connecting bracket 36, which is suitable for installing the drag chain system 33.

[0056] As shown in Figure 5As shown in the drawings, the profile cutting guide rail 31 is provided with two groups of upper and lower sets, and each chuck 32 and rotating table 38 is provided with a driving component 37, which is suitable for driving the chuck 32 and rotating table 38 to move along the length direction of the profile cutting guide rail 31.

[0057] As shown in the drawings, Figure 4 , Figure 5 The profile cutting guide rail 31 includes a rack guide rail 311 and a light rail 312, the rack guide rail 311 is suitable for engaging with the gear of the output end of the driving component 37, and the light rail 312 is suitable for sliding fit with the mounting frame 35.

[0058] By slidingly installing the mounting frame 35 on the upper and lower two groups of light rails 312, the driving component 37 will drive the gear to move linearly along the length direction of the rack guide rail 311, and complete the controllable movement. The driving component 37 is controlled by the programming of the control system.

[0059] In an embodiment, the electrical control of the profile cutting mechanism 3 is integrated into a unified electrical box through a special channel on the cutting machine body 1 and the electrical control of the plate cutting mechanism 2, without the need for additional channels, and the cost is controllable.

[0060] As shown in the drawings, Figure 1 The plate cutting mechanism 2 includes a plate cutting guide rail 21 mounted on the cutting machine body 1, and a beam assembly and a cutting head system 22 are mounted on the plate cutting guide rail 21. The profile cutting mechanism 3 and the plate cutting mechanism 2 share the beam assembly and the cutting head system 22 on the cutting machine body 1. The plate cutting guide rail, the beam assembly and the cutting system of the plate cutting mechanism are the same as the corresponding parts of the existing all-in-one machine.

[0061] As shown in the drawings, Figure 6 and Figure 7 The chuck 32 includes a body 323 and a rotating body 324, a servo motor is mounted on the body 323, the body 323 drives the rotating body 324 to rotate through the servo motor and gear transmission structure, and a plurality of pressure bodies 321 are mounted on the rotating body 324, the end of the pressure body 321 is provided with a pressure roller 322, and the plurality of pressure rollers 322 are suitable for clamping and fixing the profile.

[0062] Based on the above structure, the following improvements are made: as shown in the drawings, Figure 6 The mounting frame 35 is provided with a driving body 351, which drives the chuck 32 or the rotating table 38 to move horizontally along the side wall of the cutting machine body 1 perpendicular to the mounting frame 35 through the gear and rack.

[0063] The profile cutting guide rail is installed on the side of the cutting machine body, and the profile cutting guide rail and the plate cutting mechanism share the cutting platform, so that the structure is compact and can be manufactured together, the cutting precision is high, and only one set of three-dimensional coordinate system is needed instead of two sets of three-dimensional coordinate systems; additionally, the profile can be not limited by the bottom (except the ground), the bottom of the workpiece can be placed on the ground, and the workpiece with a height less than the ground of the beam assembly can be completed laser cutting, and the existing cutting all-in-one machine is limited by the height of the bottom of the split structure and cannot complete the cutting of the size, so that the cutting of the present scheme can complete the free cutting of the super-high size relative to the existing cutting.

[0064] The profile cutting method of the plate and profile laser cutting all-in-one machine is characterized in that the cutting steps are as follows:

[0065] The profile is taken by the hoisting equipment or the mechanical hand, the driving part 37 on the chuck 32 on one side is controlled by the numerical control system to move the chuck 32 to the end of the profile, and the end of the profile enters the inside of the chuck 32;

[0066] The length of the profile inserted into the chuck 32 is increased by controlling the hoisting equipment or the mechanical hand, the driving part 37 on the adjacent chuck 32 is controlled by the numerical control system to move the other chuck 32 to the end of the profile, and the profile is inserted into the chuck 32, and at least 1 / 6-1 / 5 of the cutting length, the numerical control system controls the pressing body 321 to start the pressure roller 322 to centrally clamp the profile;

[0067] The driving part 37 on the chuck 32 controlled by the numerical control system inserts the end of the profile into the clamping area of the rotating table 38, and the rotating table 38 starts to clamp the end of the profile;

[0068] The numerical control system controls the beam assembly and the cutting head system 22 to move to the cutting position, according to the profile shape, the laser head of the cutting head system 22 is lowered to the cutting position, and the profile cutting is started, the laser head always keeps the distance from the cutting point constant during the cutting process, and the rotating table 38 and the servo motor drive the rotating body 324 to rotate during the cutting process.

[0069] After clamping the end of the profile, the two sets of chucks 32 are moved away from the rotating table 38 under the action of the respective driving components 37 (servo motors), with one chuck 32 moving to the middle of the profile to be cut and the other chuck 32 moving to a distance of 1 / 6-1 / 5 of the length of the profile to be cut from the cutting gap. After cutting, the chuck 32 that is away from the rotating table 38 stably clamps and fixes the cut profile, and the cut profile is conveyed away from the rotating table 38 by the chuck 32, removed by the lifting device or mechanical hand, and the chuck 32 is reinserted into the outside of the remaining profile. The other chuck 32 moves closer to the rotating table 38 to a distance of 1 / 6-1 / 5 of the length of the profile to be cut from the cutting gap on the side of the rotating table 38. The two chucks 32 and the rotating table 38 move to the cutting gap on the lower side of the cutting station at the same time, and the cutting is repeated. After the cutting of the profile is completed, the remaining profile is connected or clamped by the lifting device or mechanical hand, and the pressure body 321 (oil cylinder) on the chuck 32 on the side of the rotating table 38 is released at the same time, and the rotating table 38 and the chuck 32 are moved to the two sides of the profile under the action of the respective driving components 37, and finally the profile is removed by the lifting device or mechanical hand.

[0070] For the cutting of the profile with a rectangular cross-section and a relatively thick corner, the numerical control system controls the horizontal movement of the cutting head system 22 relative to the side wall of the profile until the cutting head system 22 completely passes through the side wall of the profile. The driving body 351 on the mounting frame 35 drives the chuck 32 to move in the cutting direction of the cutting head system 22 to the starting point of the cutting of the corner of the profile. Then the servo motor on the rotating table 38 and the chuck 32 drives the profile to rotate until the cutting head system 22 completely passes through the corner of the profile. At this time, the cutting head system 22 remains stationary, and the driving body 351 on the mounting frame 35 drives the chuck 32 to move in the opposite direction of the cutting direction of the cutting head system 22 to the initial point of the chuck 32 on the mounting frame 35.

[0071] After the cutting of the side wall is completed, the diameter of the light beam of the cutting head system 22 during the process of cutting from the starting point of the corner of the profile to the horizontal complete passing through the corner of the profile is about 1 / 3-3 / 4 of the diameter of the light beam during the cutting of the side wall, and the cutting speed is about 1-3 times of the cutting speed during the cutting of the side wall.

[0072] The driving body 351 on the mounting frame 35 drives the chuck 32 to move in the cutting direction of the cutting head system 22 to the starting point of the cutting of the corner of the profile. During this process, the cutting head system 22 does not work, and the cutting speed and the diameter of the light beam during the cutting of the corner of the profile are restored to the parameters during the cutting of the side wall. Through this cutting method and path, the profile with a relatively thick corner can be cut with high quality and high efficiency.

[0073] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto. The alternatives can be partial structure, device, method step alternatives, or complete technical solutions. According to the technical solutions of the present application and the inventive concept, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. A laser cutting all-in-one machine for plates and profiles, comprising a cutting machine body (1), a plate cutting mechanism (2) and a profile cutting mechanism (3), characterized in that, The profile cutting mechanism (3) comprises a profile cutting guide rail (31) mounted on the side of the cutting machine body (1), a rotating table (38) capable of moving along the profile cutting guide rail (31), and at least two sets of chucks (32) located on the profile cutting guide rail (31), wherein the rotating table (38) clamps and fixes the profile; Each of the chucks (32) is provided with a drag chain system (33), the drag chain system (33) is provided between the chuck (32) and the cutting machine body (1), and a guide member (34) supporting the drag chain system (33) is installed on the side of the cutting machine body (1); The guide member (34) comprises a support plate (341) fixedly mounted on the cutting machine body (1), and a vertically arranged limit plate group (342) is mounted on the support plate (341); A mounting frame (35) is installed on the side of each of the chucks (32) and the rotating table (38), the mounting frame (35) is slidably mounted on the profile cutting guide rail (31), a connecting frame (36) is fixedly mounted on the mounting frame (35), and the connecting frame (36) is installed with a drag chain system (33); The profile cutting guide rail (31) is provided with two groups at the top and the bottom, and each chuck (32) and the rotating table (38) are provided with a driving component (37), and the driving component (37) drives the chuck (32) to move along the length direction of the profile cutting guide rail (31); The profile cutting guide rail (31) includes a rack guide rail (311) and an optical rail (312), the rack guide rail (311) and the gear at the output end of the driving component (37) are meshed, and the optical rail (312) and the mounting frame (35) are slidably matched; The plate cutting mechanism (2) comprises a plate cutting guide rail (21) mounted on the cutting machine body (1), a beam assembly and a cutting head system (22) being mounted on the plate cutting guide rail (21), and the profile cutting mechanism (3) and the plate cutting mechanism (2) share the beam assembly and the cutting head system (22) on the cutting machine body (1); The electrical control of the profile cutting mechanism (3) and the electrical control of the plate cutting mechanism (2) are integrated into the same electrical box through a specially provided channel on the cutting machine body (1); The chuck (32) includes a body (323) and a rotating body (324). A servo motor is installed on the body (323). The body (323) drives the rotating body (324) to rotate via the servo motor and a gear transmission structure. A plurality of circumferentially distributed pressure bodies (321) are installed on the rotating body (324). A pressure roller (322) is provided at the end of the pressure body (321). The plurality of pressure rollers (322) clamp and fix the profile. A driving body (351) is mounted on the mounting frame (35), and the driving body (351) drives the chuck (32) or the rotating table (38) to move horizontally along the mounting frame (35) perpendicular to the side wall of the cutting machine body (1) via a gear rack.

2. The profile cutting method of the plate and profile laser cutting all-in-one machine, which refers to the plate and profile laser cutting all-in-one machine of claim 1, characterized in that, The cutting steps are as follows: The profile is taken by a lifting device or a manipulator, and the CNC system controls the driving component (37) on the chuck (32) on one side to move the chuck (32) to the end of the profile, and the end of the profile enters the inner side of the chuck (32); By controlling the hoisting equipment or manipulator to increase the length of the profile inserted into the chuck (32), the numerical control system controls the driving component (37) on the adjacent chuck (32) to move another chuck (32) to the end of the profile, and inserts the end of the profile into the chuck (32), and at least 1 / 6~1 / 5 of the cutting length, the numerical control system controls the pressing body (321) to drive the pressure roller (322) to centrally clamp the profile; The driving component (37) on the chuck (32) controlled by the numerical control system inserts the end of the profile into the clamping area of the rotating table (38), and the rotating table (38) starts to clamp the end of the profile; The numerical control system controls the cross beam assembly and the cutting head system (22) to move to the cutting position, and according to the profile shape, the laser head of the cutting head system (22) is lowered to the cutting station, and the cutting of the profile starts. During the cutting process, the laser head always maintains a constant distance from the cutting point. During the cutting process, the rotating table (38) and the servo motor drive the rotating body (324) to rotate.

3. The profile cutting method of the plate / profile laser cutting all-in-one machine according to claim 2, characterized in that, For the cutting of the profile with rectangular cross section and relatively thick corner, the numerical control system controls the cutting head system (22) to move horizontally relative to the profile side wall until the cutting head system (22) completely passes through the profile side wall. The driving body (351) on the mounting bracket (35) drives the chuck (32) to move in the cutting direction of the cutting head system (22) to the starting point of the cutting head system (22) cutting the corner of the profile. Then the rotating table (38) and the servo motor on the chuck (32) drive the profile to rotate until the cutting head system (22) completely passes through the corner of the profile. At this time, the cutting head system (22) remains stationary, and the driving body (351) on the mounting bracket (35) drives the chuck (32) to move in the opposite direction of the cutting direction of the cutting head system (22) to the initial point of the chuck (32) on the mounting bracket (35).

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