WO2023013681A1 - Machine de traitement au laser - Google Patents

Machine de traitement au laser Download PDF

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Publication number
WO2023013681A1
WO2023013681A1 PCT/JP2022/029817 JP2022029817W WO2023013681A1 WO 2023013681 A1 WO2023013681 A1 WO 2023013681A1 JP 2022029817 W JP2022029817 W JP 2022029817W WO 2023013681 A1 WO2023013681 A1 WO 2023013681A1
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WO
WIPO (PCT)
Prior art keywords
pallet
laser processing
processing machine
area
guard plate
Prior art date
Application number
PCT/JP2022/029817
Other languages
English (en)
Japanese (ja)
Inventor
剛 岩松
Original Assignee
株式会社アマダ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社アマダ filed Critical 株式会社アマダ
Priority to CN202280054646.0A priority Critical patent/CN117858778A/zh
Publication of WO2023013681A1 publication Critical patent/WO2023013681A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece

Definitions

  • This disclosure relates to a laser processing machine.
  • Patent Document 1 describes a clamping device provided with a first clamp and a second clamp that clamp a workpiece on a work table and move in the same direction in a laser processing machine. According to this clamping device, the laser processing area of the workpiece on the work table can be easily changed by moving the first clamp and the second clamp.
  • a laser processing machine is generally equipped with a pallet on which, for example, a so-called 4 ⁇ 8 (1219 mm ⁇ 2438 mm) standard-sized sheet metal can be placed, and a laser processing head is used to move the entire 4 ⁇ 8 standard-sized sheet metal placed on the pallet. Move the area two-dimensionally so that it can be processed.
  • the laser processing machine is also frequently used for processing a standard sheet metal of 4 ⁇ 4 (1219 mm ⁇ 1219 mm), which is half the size of 4 ⁇ 8, for example.
  • the laser processing machine mainly processes 4 ⁇ 4 standard-sized sheet metal, and the frequency of processing 4 ⁇ 8 standard-sized sheet metal is low. Therefore, users who mainly process 4 ⁇ 4 standard-sized sheet metal are demanding a space-saving laser processing machine.
  • a pallet having a size corresponding to a 4x4 standard-sized sheet metal is provided as a work table, and a 4x4 placed on the pallet by the clamping device.
  • a laser processing machine that grips eight standard-sized sheet metal and moves its position to substantially expand the processing area is also contemplated.
  • the sheet metal is thin, there is a risk that the portion of the sheet metal that protrudes from the pallet will be greatly bent due to its own weight, resulting in problems in processing. Therefore, it is desired that the laser processing machine is space-saving and capable of processing large-sized sheet metal.
  • One aspect of this embodiment has the following configuration. a base portion installed inside a reference installation area of an installation surface; a base portion disposed on the upper portion of the base portion; a pallet that moves in a horizontal first direction between a second position and a pallet movably provided inside an upper region of the base, the pallet moving between the first position and the second position; and a laser processing head that emits a laser beam toward the sheet metal placed on the pallet.
  • the workpiece placed on the pallet both when the pallet is at the first position and at the second position moved from the first position sheet metal can be laser processed.
  • the sheet metal to be processed can be laser-processed in a wider area than the processing area, and the sheet metal larger than the processing area can be processed, saving space.
  • FIG. 1 is a perspective view showing a normal state of a laser processing machine 91, which is an example of the laser processing machine according to this embodiment.
  • FIG. 2 is a perspective view of the pallet 7 of the laser processing machine 91 in the extended position.
  • FIG. 3 is a schematic front view showing the moving state of the pallet 7 of the laser processing machine 91.
  • FIG. 4A is a schematic diagram for explaining the position of the pallet 7 of the laser processing machine 91 and the processable area AR1, and shows the state where the pallet 7 is at the reference position.
  • FIG. 4B is a schematic diagram for explaining the position of the pallet 7 of the laser processing machine 91 and the processable area AR1, and shows a state in which the pallet 7 is in the extended position.
  • FIG. 4A is a schematic diagram for explaining the position of the pallet 7 of the laser processing machine 91 and the processable area AR1, and shows a state in which the pallet 7 is in the extended position.
  • FIG. 4A is a schematic diagram for explaining the position of the pallet 7 of
  • FIG. 5A is a front view showing the pallet connecting portion 6 of the laser processing machine 91 (see FIG. 1), showing a state when the pallet 7 is not moved.
  • FIG. 5B is a front view showing the pallet connecting portion 6 of the laser processing machine 91 (see FIG. 1), showing a state when the pallet 7 is moved.
  • FIG. 5C is a front view showing the pallet connecting portion 6 of the laser processing machine 91 (see FIG. 1), showing a state of overload.
  • FIG. 6 is a cross-sectional view showing the recovery box 11 provided in the laser processing machine 91.
  • FIG. 7A is a first diagram for explaining the operation of the spatter guard device 13 provided in the laser processing machine 91, and shows a state in which the guard plate 134 is erected.
  • FIG. 7A is a first diagram for explaining the operation of the spatter guard device 13 provided in the laser processing machine 91, and shows a state in which the guard plate 134 is erected.
  • FIG. 7A is a first diagram
  • FIG. 7B is a second diagram for explaining the spatter guard device 13 provided in the laser processing machine 91, and shows a state in which the guard plate 134 is laid down.
  • FIG. 8 is a block diagram showing the configuration of the laser processing machine 91. As shown in FIG.
  • FIG. 1 is a perspective view showing a normal state of a laser processing machine 91, which is an example of the laser processing machine according to this embodiment.
  • the directions of up, down, left, right, front and back are defined by the directions of the arrows shown in FIG. Moreover, let the left-right direction be a 1st direction.
  • the laser processing machine 91 has a base portion 1 installed inside a reference installation region RV1 on the installation surface FL, and is arranged on the upper portion of the base portion 1, a first position, and a projection region RV2 with respect to the installation surface FL.
  • a pallet 7 movable in a first horizontal direction between a second position projecting outside the reference installation area and a pallet 7 provided movably inside the upper area of the base 1, the pallet 7 being the first and a laser processing head 55 that emits a laser beam toward the sheet metal placed on the pallet 7 at either the position of 1 or the second position.
  • the laser processing machine 91 includes a pair of front and rear side frames 2 and 3 , a carriage section 5 , a control device 81 including a control section CT, a laser oscillator 82 and an input section 83 .
  • the input unit 83 is used by the operator to input instructions and operating conditions for the control of the control unit CT.
  • the base part 1 is assembled in a substantially rectangular parallelepiped shape and installed on the installation surface FL.
  • a box-shaped control device 81 connected to the base portion 1 is arranged on the right side of the base portion 1 .
  • the side frames 2 and 3 are arranged parallel to the front and rear edges of the base 1, respectively.
  • the carriage portion 5 includes a pair of front and rear struts 51 and 52 , a carriage body portion 53 , a laser processing head 55 and a pallet connecting portion 6 .
  • the struts 51 and 52 are supported by the side frames 2 and 3, respectively, so as to be movable in the left-right direction.
  • the carriage main body 53 is a beam-shaped member that connects the upper ends of the columns 51 and 52 in the front-rear direction.
  • the side frame 2 has a carriage driving portion 21 that moves the support 51 in the left-right direction.
  • the laser processing head 55 is supported by the carriage body 53 so as to be movable in the front-rear direction.
  • the carriage body portion 53 has a head driving portion 531 that moves the laser processing head 55 in the front-rear direction.
  • the pallet 7 has a plurality of plate-like workpiece supports 71 (also referred to as skids) extending in the front-rear direction with saw-toothed support portions on top. More specifically, the pallet 7 has a frame 70 , a workpiece support group 71 ⁇ /b>G consisting of a plurality of workpiece supports 71 , and a plurality of free ball bearings 72 .
  • the frame 70 is a flat frame-shaped member that has a length in the left-right direction that is substantially the same as the length in the left-right direction of the combination of the base 1 and the control device 81, and is rectangular when viewed from above. In FIG. 1, the right edge of the frame 70 enters the gap between the control device 81 and the laser oscillator 82 spaced above the control device 81 .
  • a plurality of workpiece supports 71 are arranged side by side on the upper portion of the frame 70 so as to extend in the front-rear direction and are spaced apart in the left-right direction.
  • a group of multiple workpiece supports 71 is referred to as a workpiece support group 71G.
  • the work piece support group 71G is provided in an area where the entire 4 ⁇ 8 (1219 mm ⁇ 2438 mm) standard-sized sheet metal can be placed.
  • the frame 70 has a plurality of free ball bearings 72 between the workpiece supports 71 that move up and down between lower and upper positions with respect to the height position of the upper end of the workpiece support 71 .
  • a plurality of free ball bearings 72 can be manually moved up and down synchronously by a link mechanism (not shown).
  • the plurality of free ball bearings 72 are not limited to being manually moved, but may be automatically and synchronously moved up and down by the bearing drive section 721 (see FIG. 3) under the control of the control section CT.
  • a front edge of the frame 70 is provided with a plurality of clamps (not shown) for gripping the sheet metal.
  • a plurality of clamps grip a sheet metal placed on a workpiece support group 71G or supported by a plurality of free ball bearings 72 under the control of the controller CT.
  • the laser oscillator 82 is, for example, a fiber laser oscillator, generates a laser beam and supplies it to the laser processing head 55 .
  • the laser processing head 55 emits the supplied laser beam toward the pallet 7 below as a laser beam on the optical axis PL.
  • FIG. 8 is a block diagram showing the configuration of the laser processing machine 91.
  • the operations of the carriage driving section 21, the head driving section 531, and the laser oscillator 82 are controlled by the control section CT.
  • the laser processing machine 91 moves the laser processing head 55 two-dimensionally in the front-rear direction and the left-right direction with respect to the sheet metal placed on the pallet 7 to obtain a desired processing path. laser processing can be performed.
  • the moving distance of the carriage part 5 in the left-right direction is the left half of the workpiece support group 71G or a distance slightly larger than the left half. This distance is at least equal to the length of one side of a standard sheet metal of 4 ⁇ 4 (1219 mm ⁇ 1219 mm) (corresponding to the distance Lx1 described later).
  • the laser processing machine 91 can perform laser processing on the entire area of the 4 ⁇ 4 standard-sized sheet metal placed on the pallet 7 .
  • FIGS. 2 to 4B the laser processing machine 91 is movable between the overhang position, which is the second position where the pallet 7 is moved leftward from the reference position by a predetermined distance.
  • FIG. 2 is a perspective view of the pallet 7 of the laser processing machine 91 in the extended position.
  • FIG. 3 is a schematic front view showing the moving state of the pallet 7 of the laser processing machine 91.
  • FIG. 4A is a schematic diagram for explaining the position of the pallet 7 of the laser processing machine 91 and the processable area AR1, and shows the state where the pallet 7 is at the reference position.
  • FIG. 4B is a schematic diagram for explaining the position of the pallet 7 of the laser processing machine 91 and the processable area AR1, and shows a state in which the pallet 7 is in the extended position.
  • the laser processing machine 91 has a linear guide 76 for linearly moving the pallet 7.
  • the linear guide 76 includes a long rail 73 and two sliders 74 and 75 that engage with the rail 73 and move along the rail 73 .
  • a pair of rails 73 are attached to the front edge and the rear edge of the lower surface of the frame 70 of the pallet 7 so as to extend in the horizontal direction.
  • the sliders 74 and 75 engaged with the rail 73 are attached to the left half area of the base 1 so as to be spaced apart in the left-right direction.
  • the pallet 7 can be horizontally moved to the left in the first direction from the reference position with respect to the base 1 as indicated by an arrow DR3.
  • the maximum leftward movement distance of the pallet 7 from the reference position is equal to or longer than one side of the 4 ⁇ 4 standard-sized sheet metal (corresponding to the distance L7 described later).
  • the laser processing machine 91 has improved processing accuracy in laser processing.
  • FIG. 2 shows a state in which the pallet 7 is in the extended position in the laser processing machine 91 .
  • the base 1 is installed within the reference installation area RV1.
  • An overhanging projection area RV2 which is a projection area of the overhanging portion of the pallet 7 onto the installation surface FL, overhangs from the reference installation area RV1.
  • the pallet 7 in the overhanging position has a portion corresponding to the overhang projection area RV2 protruding from the reference installation area RV1 directly facing the installation surface FL. It is designed to
  • the reference installation area RV1 is schematically shown in FIG. 3 as an area in which only the base portion 1 is installed. means the area necessary for
  • a first pallet sensor 31 and a second pallet sensor 32 are arranged on the surface of the inner surface of the side frame 3 facing the pallet 7 so as to be spaced apart in the left-right direction.
  • the first pallet sensor 31 and the second pallet sensor 32 are so-called proximity sensors.
  • both the first pallet sensor 31 and the second pallet sensor 32 are turned ON, and when the pallet 7 is at the extended position, both the first pallet sensor 31 and the second pallet sensor 32 are turned OFF.
  • the second pallet sensor 32 is OFF and the first pallet sensor 31 is ON.
  • a detection signal indicating ON/OFF of the first pallet sensor 31 and the second pallet sensor 32 is output to the controller CT (see FIG. 8).
  • the side frame 2 has a first pallet lock portion 22 and a second pallet lock portion 23 that prohibit movement and lock the position when the pallet 7 is at the reference position and the extended position.
  • the first pallet lock portion 22 and the second pallet lock portion 23 lock and unlock the pallet 7 with respect to the base portion 1, for example, by engagement of protrusions and recesses caused by the operation of solenoids.
  • the operations of the first pallet lock portion 22 and the second pallet lock portion 23 are controlled by the control portion CT (see FIG. 8).
  • a 4 ⁇ 8 standard-sized sheet metal W is positioned and placed as a work piece.
  • the laser processing machine 91 is such that when the pallet 7 is at the reference position, the right side portion of the pallet 7 enters between the laser oscillator 82 and the control device 81 (see FIG. 1) therebelow. there is
  • the carriage body 53 moves in the horizontal direction over a distance Lx1, as indicated by an arrow DR1.
  • the laser processing head 55 moves in the front-rear direction over a distance Ly1 with respect to the carriage main body 53 as indicated by an arrow DR2.
  • the laser processing machine 91 has a processable area (processing area) of the area AR1 of distance Lx1 ⁇ distance Ly1 indicated by hatching upward to the right, which roughly corresponds to the left half of the pallet 7 .
  • the laser processing machine 91 can move the pallet 7 leftward from the reference position by a maximum distance L7.
  • the distance L7 is shorter than the distance Lx1 by the distance La.
  • the workable area AR1 when the pallet 7 is at the reference position becomes an area ARW1 at the overhang position, and the area overlaps with the workable area AR1 at the overhang position by a distance La in the left-right direction. That is, even if the laser processing machine 91 is a space-saving device in which the processing area is set to a small area corresponding to a 4 ⁇ 4 standard-size sheet metal, processing can be performed by moving the pallet 7. By relatively expanding the area, it is possible to process a 4 ⁇ 8 standard-sized sheet metal.
  • the laser processing machine 91 moves together with the connection receiving portion 61 provided on the pallet 7 and the movement of the laser processing head 55 in the first direction, and is connected to the connection receiving portion 61 so as to be selectively in a connected state and a non-connected state.
  • a driving portion 62 is provided, and the pallet 7 is configured to move as the laser processing head 55 moves in the first direction by connecting the connecting driving portion 62 to the connecting receiving portion 61 .
  • FIG. 5A is a front view showing the pallet connecting portion 6 of the laser processing machine 91 (see FIG. 1), showing a state when the pallet 7 is not moved.
  • FIG. 5B is a front view showing the pallet connecting portion 6 of the laser processing machine 91 (see FIG. 1), showing a state when the pallet 7 is moved.
  • FIG. 5C is a front view showing the pallet connecting portion 6 of the laser processing machine 91 (see FIG. 1), showing a state of overload.
  • the pallet connecting portion 6 is composed of a set of a connection receiving portion 61 and a connection driving portion 62 .
  • the connection receiving portion 61 is fixed to the frame 70 of the pallet 7 .
  • the connection receiving portion 61 has a pedestal 611 and a column portion 612 .
  • a receiving surface 613 which is the upper surface of the tip of the column portion 612, is formed as part of a cylindrical surface centered on a central axis CL61 extending in the front-rear direction.
  • the connection driving part 62 has a bracket 621 , a connection cylinder 622 , a moving post 624 and rollers 625 .
  • the bracket 621 is a plate-shaped member that is fixed to the carriage main body 53 and protrudes to the right.
  • the connecting cylinder 622 is fixed to the bracket 621, and moves vertically on a moving column 624 protruding downward from the lower end surface by its operation.
  • the operation of the connecting cylinder 622 is controlled by the controller CT (see FIGS. 1 and 2).
  • the roller 625 rotates around a longitudinally extending shaft member 626 provided at the lower end of the moving column 624 .
  • the radius of the outer peripheral surface of roller 625 is the same as or slightly smaller than the radius of receiving surface 613 .
  • the controller CT draws the moving column 624 of the connecting cylinder 622 upward, and the connecting receiving portion 61 and the connecting drive are engaged.
  • the part 62 is spaced apart. In this state, the carriage part 5 moves independently without interlocking with the pallet 7. - ⁇
  • the control unit CT (see FIGS. 1 and 2) connects Moving post 624 of cylinder 622 is pushed downward to bring roller 625 into contact with receiving surface 613 or into a recess in receiving surface 613 (see arrow DR4).
  • the carriage part 5 and the pallet 7 are connected via the pallet connecting part 6, and the pallet 7 moves together with the movement of the carriage part 5 in the horizontal direction.
  • control unit CT operates the carriage driving unit 21 to move the carriage unit 5 to the rightmost position.
  • the connection driving part 62 and the connection receiving part 61 can be connected.
  • the control part CT (see FIG. 1) operates the connection cylinder 622 to connect the connection driving part 62 to the connection receiving part 61.
  • the control unit CT activates the first lock cylinder 221 and the second lock cylinder 231 to unlock the pallet 7 so that the pallet 7 can be moved. It is operated to move the carriage part 5 to the leftmost position. Along with this movement, the pallet 7 integrated with the carriage portion 5 by the pallet connecting portion 6 also moves leftward, and the pallet 7 moves to the extended position.
  • the pallet connecting part 6 is automatically disconnected when overload occurs when the movement resistance of the pallet 7 exceeds a predetermined value.
  • the moving column 624 of the connecting drive part 62 is pushed downward by the pressure of the air supplied to operate the connecting cylinder 622 .
  • FIG. 5C shows a case where the pallet 7 does not move for some reason even if the carriage 5 moves rightward while the pallet connecting portion 6 is in the connected state.
  • the roller 625 rotates along the receiving surface 613 and pushes the moving column 624 upward against the air pressure. Roller 625 then rides over the raised end of receiving surface 613 as indicated by arrow DR5, and moving post 624 disengages from receiving surface 613. FIG. Thereby, the connection between the connection driving portion 62 and the connection receiving portion 61 is released.
  • one aspect of the present embodiment includes a base portion 1 (see FIG. 1) and a base portion 1 disposed on the top of the base portion 1 in a first position and a base portion, as shown in FIGS. 4A and 4B.
  • FIG. 6 is a cross-sectional view showing the recovery box 11 included in the laser processing machine 91.
  • FIG. FIG. 7A is a first diagram for explaining the operation of the spatter guard device 13 provided in the laser processing machine 91, and shows a state in which the guard plate 134 is erected.
  • FIG. 7B is a second diagram for explaining the operation of the spatter guard device 13 provided in the laser processing machine 91, and shows a state in which the guard plate 134 is laid down.
  • the base unit 1 of the laser processing machine 91 includes a recovery box 11 corresponding to the laser processing area AR1 by the laser processing head 55, and a guard plate 134 that closes the gap G between the pallet 7 and the recovery box 11. .
  • the laser processing machine 91 also includes a pallet guard plate 77 that closes the gap G when the pallet 7 is at the first position (reference position).
  • the guard plate 134 is configured to be inclined when the pallet 7 is at the first position (reference position), and stand up to close the gap G when the pallet 7 is at the second position (overhang position). ing.
  • a collection box 11 corresponding to the processing area is arranged on the base portion 1 of the laser processing machine 91 .
  • the recovery box 11 is a box for receiving dross, scraps, and the like that are generated during laser processing and dropped from the gap between the workpiece supports 71 , and is arranged below the pallet 7 .
  • the laser processing machine 91 is also equipped with a suction device (not shown) that sucks air.
  • the suction device sucks the air inside the collection box 11 and discharges it to the outside through a filter. Most of the scattered spatter caused by the laser processing is discharged to the outside through the recovery box 11 by air suction by the suction device.
  • the gap G between the pallet 7 and the collection box 11 is wide open, the particles will scatter from the space V11 inside the collection box 11 to the outside space through the gap G and adhere to the product, causing problems such as adhesion to the product. cause. Therefore, the laser processing machine 91 has a pallet guard plate 77 and a It has a spatter guard device 13 .
  • FIG. 7A is an enlarged view of the vicinity of the spatter guard device 13 in FIG. 6, and FIG. 7B is an enlarged view showing the same portion with the pallet 7 returned to the reference position.
  • the pallet 7 In FIG. 6 the pallet 7 is in the extended position. In this state, the gap G between the collection box 11 and the pallet 7 is substantially closed by the standing guard plate 134 of the spatter guard device 13 .
  • the pallet 7 has a guard supporter 78 extending downward at the right end in FIG. 7A.
  • the guard supporter 78 extends downward so as to overlap the standing guard plate 134 in the vertical direction.
  • the guard supporter 78 may be in contact with the erected guard plate 134 in the left-right direction, as shown in FIG. 7A, or may have a slight gap.
  • the guard supporter 78 is made of a metal plate material or a rubber plate material.
  • the spatter guard device 13 includes a guard cylinder 131, a rod 132, a fixing plate 133, a guard plate 134, a hinge 135 and a link plate 136.
  • the guard cylinder 131 is fixed to the upper portion of the shelf plate 12 arranged on the right side of the base portion 1 .
  • the guard cylinder 131 moves the rod 132 in and out (see arrow DR6) under the control of the controller CT (see FIG. 1).
  • One end of the link plate 136 is rotatably connected to the tip of the rod 132, and the other end of the link plate 136 is rotatably connected to the guard plate 134 (see arrow DR7). As shown in FIG.
  • the guard plate 134 is rotatable about the longitudinal axis with respect to the fixed plate 133 via the hinge 135 (see arrow DR9). With this configuration, as the guard cylinder 131 operates, the guard plate 134 pivots about the hinge 135 between the upright posture shown in FIG. 7A and the tilted posture shown in FIG. 7B.
  • the control unit CT (see FIG. 1) operates the guard cylinder 131 to bring the guard plate 134 into the standing posture when the pallet 7 is in the extended position.
  • the guard cylinder 131 is operated to make the angle between the guard plate 134 and the fixed plate 133 smaller than the upright posture.
  • the pallet guard plate 77 is attached to the bottom surface of the frame 70 of the pallet 7 . More specifically, the pallet guard plate 77 is attached in place of the guard plate 134 to close the gap G between the pallet 7 and the base 1 when the pallet 7 is at the reference position.
  • the controller CT uses the first pallet sensor 31 and the second pallet sensor to detect the erected posture and tilted posture of the guard plate 134 by operating the guard cylinder 131 (see FIGS. 7A and 7B). It is executed according to the position of the pallet 7 grasped by the detection information from 32.
  • the base 1 has a laser processing area AR1 (FIGS. 4A and 4B) in which the laser processing head 55 (see FIGS. 4A and 4B) can operate. 4B), the pallet guard plate 77 closing the gap G between the pallet 7 and the collection box 11 when the pallet 7 is at the first position, and the pallet 7 is positioned at the second position. and a guard plate 134 that closes the gap G when it is at the position of .
  • the laser processing machine 91 has a small possibility that the spatter generated by the laser processing scatters outside regardless of the position of the pallet 7, and the quality of the product is less likely to deteriorate.
  • the guard plate 134 is inclined when the pallet 7 is at the first position, and stands up to block the gap G when the pallet 7 is at the second position. Therefore, the guard plate 134 does not interfere with the movement of the pallet 7, and the gap G can be closed more widely when the pallet 7 is at the second position. As a result, the laser processing machine 91 has a smaller possibility that the spatter generated by the laser processing scatters outside regardless of the position of the pallet 7, and the quality of the product is less likely to deteriorate.
  • the gap G may be closed with the guard plate 134 regardless of whether the pallet 7 is in the first position or the second position.
  • the pallet guard plate 77 is not required.
  • the guard supporter 78 is provided at the pallet end shown in FIG.
  • the guard plate 134 is in an inclined posture when the pallet 7 is moved, and after the pallet movement and positioning, the pallet 7 is erected in a stopped state.
  • neither the pallet guard plate 77 nor the guard supporter 78 may be provided, and the gap G may be closed only by the guard plate 134 .
  • the guard plate 134 may be rotated between the tilted posture and the standing posture.
  • a member made of a flexible material such as a rubber plate may be attached to the tip of 134 to allow some interference between the member and the pallet 7, and the guard plate 134 may be fixed in the upright posture.
  • the laser processing machine 91 can process sheet metal that is larger than the processing area and saves space. For example, it is possible to process a 4 ⁇ 8 standard-sized sheet metal, while saving space.
  • the laser processing machine 91 is capable of processing not only 4 ⁇ 4 and 4 ⁇ 8 standard-sized sheet metal, but also 5 ⁇ 10 standard-sized sheet metal in a 5 ⁇ 5 processing area. , a 3 ⁇ 3 working area, and a 3 ⁇ 6 size sheet metal may be machined.
  • the laser processing machine 91 is not limited to one in which the pallet 7 is locked at two positions, the reference position and the extended position.
  • the pallet 7 may be lockable at three or more positions including the reference position and the extended position, or may be lockable at any position between the reference position and the extended position.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

Cette machine de traitement au laser (91) comprend : une partie base (1) qui est installée à l'intérieur d'une région d'installation de référence (RV1) d'une surface d'Installation (FL) ; une palette (7) qui est placée sur la partie supérieure sur la partie base (1) et qui se déplace dans une première direction horizontale entre un premier emplacement et un second emplacement au niveau duquel une région de projection (RV2) dépasse vers l'extérieur de la région d'installation de référence (RV1) par rapport à la surface d'installation (FL) ; et une tête de traitement (55) qui est placée mobile à l'intérieur d'une région supérieure de la partie base (1) et qui émet un faisceau laser vers le métal en feuille (W) placé sur la palette (7), que la palette (7) se trouve au niveau du premier emplacement ou du second emplacement.
PCT/JP2022/029817 2021-08-06 2022-08-03 Machine de traitement au laser WO2023013681A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280054646.0A CN117858778A (zh) 2021-08-06 2022-08-03 激光加工机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-130194 2021-08-06
JP2021130194A JP7602982B2 (ja) 2021-08-06 2021-08-06 レーザ加工機

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127189A (ja) * 1987-11-12 1989-05-19 Toyoda Mach Works Ltd 集塵装置を備えたレーザ加工機
JPH0216291U (fr) * 1988-07-20 1990-02-01
JPH0498389U (fr) * 1991-02-01 1992-08-25
JPH0732185A (ja) * 1993-07-14 1995-02-03 Shibuya Kogyo Co Ltd レーザ加工機
JP2017109285A (ja) * 2015-12-18 2017-06-22 村田機械株式会社 ワーク搬送システム、レーザ加工システム、及びワーク搬送方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01127189A (ja) * 1987-11-12 1989-05-19 Toyoda Mach Works Ltd 集塵装置を備えたレーザ加工機
JPH0216291U (fr) * 1988-07-20 1990-02-01
JPH0498389U (fr) * 1991-02-01 1992-08-25
JPH0732185A (ja) * 1993-07-14 1995-02-03 Shibuya Kogyo Co Ltd レーザ加工機
JP2017109285A (ja) * 2015-12-18 2017-06-22 村田機械株式会社 ワーク搬送システム、レーザ加工システム、及びワーク搬送方法

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