Classifications

• • 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
  • B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
• • 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
  • B23K26/083—Devices involving movement of the workpiece in at least one axial direction
  • B23K26/0853—Devices involving movement of the workpiece in at least in two axial directions, e.g. in a plane
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
  • B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
  • B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations

Definitions

• the present invention relates to a punch-laser multi-tasking machine including a punching machine for performing a punching process and a laser processing machine for performing a laser processing.
• the mainstay of the blank cutting machine in sheet metal processing was a punching machine typified by a turret punch press, but its status was divided into two by the maturation of laser processing machines. That is the fact. Punching machines are especially effective when the processing is repeated and the number of products is uniform. On the other hand, in the case of a g-shaped product containing a curve, a laser beam machine is used. Recently, a so-called punch-laser multi-tasking machine has been proposed, which can perform both punching and laser machining with a single machine by utilizing the features of these punching machines and laser machines. Have been.
• Such a punch ⁇ According to the laser multi-tasking machine, the processing of a product of a predetermined shape is quickly performed by a punching machine, and processing of a product that may or cannot be performed by this punching machine is difficult. By using a laser processing machine-It is possible to respond quickly to the processing of various products.
• punching machines generate severe vibration during punching, while laser machines have many parts that dislike this vibration, such as laser oscillators, reflectors, and lenses.
• various measures have been taken in the above-described punch-laser multi-tasking machine so that the optical system such as a laser oscillator is not adversely affected by the vibration of the punching machine. It is normal that there is.
• a laser processing machine including a laser oscillator and a laser processing head attached to the main body frame of the punching machine via a vibration isolator
• a laser oscillator frame of the laser processing machine is provided at a distance outside the main frame of the punching machine, and the optical axis frame integrated with the laser oscillator frame is brought into non-contact with the main body frame.
• the vibration isolating structure as described in (1) above since the laser processing machine is attached to the main body frame of the punching machine via the vibration isolating device, the vibration during the punching is less than that of the main body frame.
• the vibrations are transmitted to the laser oscillator, which dislikes the vibrations, only through the vibration isolator, and it is extremely difficult to attenuate the vibrations.
• the vibration isolation structure as described in (3) above since the laser oscillator and the laser processing head are provided on an integrated frame, the main frame of the punching machine, the laser frame, and the laser processing head are not provided. Is always fixed In addition, there is no vibration damping structure between the laser frame and the ground, and vibration during punching is transmitted to the laser frame via the ground, and adversely affects the optical system such as the oscillator and the laser processing head. There is a problem that it does.
• the present invention has been made in view of the above-described problems, and a vibration generated during punching is transmitted to a laser processing head and a laser oscillator by a compact vibration isolating structure. was reliably prevented, with it is an object that you provide a punch 'the multifunction machine that can with this to prevent the occurrence of deviation of an optical system for a laser beam machine c
• a combined punch / laser machine firstly provides a combined punch / laser machine including a punch machine for performing punching and a laser machine for performing laser machining.
• the laser oscillator is provided separately from the main body frame that supports the punching head, and the laser processing head can be supported on the main body frame via a laser processing head vibration isolator.
• it is characterized in that it is mounted offset from the punching head.
• the laser oscillator is supported on the ground separately from the main body frame, and the laser processing head is provided with a vibration isolator for the laser processing head during punching. Is supported by the body frame via Since the laser oscillator is provided separately from the main frame that supports the punching head, the vibrations generated during punching are transmitted from the main frame to the ground once, and the laser oscillator is used. Therefore, vibration can be attenuated. Also, the vibration generated during the punching process is absorbed by the laser processing head vibration isolator, and is prevented from being transmitted to the laser processing head. In this way, the optical system of the laser processing machine is not displaced, the laser cutting accuracy is improved, and the combined processing accuracy of punching and laser processing is improved.
• the frequency of optical axis adjustment of the optical system is reduced, and the life of the optical system is improved. Furthermore, since the laser processing head is attached to the main frame and the laser oscillator is provided separately, there is no need to provide a separate laser frame from the main frame, and the laser beam is bent.
• the installation location of the laser oscillator can be freely selected and changed only by adding a mirror, thereby making it possible to reduce the installation space and mechanical structure relatively, and to reduce the factory layout. At the same time, it is possible to freely lay out the installation place of the laser oscillator.
• the laser oscillator be supported on the ground via a laser oscillator vibration isolator.
• the vibration isolator for a laser oscillator is preferably an air spring that is operated during punching to prevent transmission of vibration from the ground to the laser oscillator.
• a laser oscillator seating positioning device that releases the support by the laser oscillator anti-vibration device during laser processing and seats and positions the laser oscillator on a frame that supports the laser oscillator.
• the seating positioning device for a laser oscillator may include a lower surface of the laser oscillator or one end of a lower surface of a mounting plate on which the laser oscillator is mounted, or one end of the bridge facing the one end thereof.
• a first laser oscillator positioning mechanism comprising a pin-shaped convex portion provided on one of the above and a concave portion fitted on the convex portion provided on the other, and a lower surface of the laser oscillator or a laser thereof. The other end of the lower surface of the mounting plate on which the oscillator is mounted, or the other end of the gantry facing the other end.
• a second laser oscillator positioning mechanism including a wedge-shaped convex portion to be provided and a concave portion fitted to the convex portion provided on the other side.
• a seating positioning device for a laser oscillator it is possible to absorb the elongation of a material such as iron, which constitutes a positioning mechanism for a laser oscillator due to the outside air temperature, thereby improving the laser processing accuracy and the composite processing accuracy. Can be improved.
• the vibration isolator for the laser processing head like the vibration isolator for the laser oscillator, is operated at the time of punching to prevent transmission of vibration from the main frame to the laser processing head.
• it is a spring.
• the support by the laser processing head vibration isolator is released, and the laser processing head is seated on the support for supporting the laser processing head and positioned. It is preferable to provide a head positioning device for the head.
• the laser processing head seat positioning device is provided with a pin-shaped member provided on one of one end side of a lower surface of a mounting plate for mounting the laser processing head or one end side of the support base opposed to the one end side.
• a first laser processing head positioning mechanism comprising a convex portion provided on the other side and a concave portion fitted to the convex portion provided on the other side; and the other end of the lower surface of the mounting plate for attaching the laser processing head.
• a second laser processing head comprising a wedge-shaped protrusion provided on one of the other ends of the support base facing the other end and a recess provided on the other and fitted with the protrusion. It is preferable to include a positioning mechanism for the hand.
• the first laser processing head positioning mechanism and the second laser processing head positioning mechanism are preferably covered with a dustproof cover. Further, when the laser processing head is seated on the support joint, air is applied to the contact surfaces of the first laser processing head positioning mechanism and the second laser processing head positioning mechanism. It is good to provide an air blowing device for blowing air. By doing so, it is possible to prevent dust from entering between the convex and concave portions, which are abutting surfaces, and it is possible to improve both laser processing accuracy and composite processing accuracy. You.
• the punch / laser combined machine is a punch / laser combined machine equipped with a punch machine for performing punching and a laser machine for performing laser machining.
• a laser oscillator is provided separately from the main body frame supporting the punching head, and a laser processing head is provided on the main body frame. It is characterized in that it is mounted so as to be supported via a laser processing head vibration isolator.
• the driving of the punching head is controlled by the hydraulic servo mechanism,
• the stroke speed of the head can be made variable, and low noise and low vibration control can reduce the vibration caused by punching, which can adversely affect the laser processing machine. It can be reliably prevented.
• FIG. 1 is a partially cutaway schematic perspective view of a combined punch and laser machine according to one embodiment of the present invention
• FIG. 2 is a plan view of the punch / laser multitasking machine of the present embodiment
• FIGS. 3 to 8 are drawings showing a support structure of the laser oscillator
• FIG. 3 is a front view of the laser oscillator.
• FIG. 4 is a plan view of FIG. 3,
• Figure 5 is a left side view of Figure 4,
• Figure 6 is the right side view of Figure 4,
• Fig. 7 is an enlarged view of part A of Fig. 5,
• FIG. 8 is a sectional view taken along the line B—B in FIG.
• Fig. 9 is a plan view showing the area around the machining head.
• FIGS. 10 to 15 show the support structure of the laser processing head.
• Figure 10 is a plan view
• Figure 11 is a side view
• FIG. 12 is a cross-sectional view taken along the line C--C of FIG.
• FIG. 13 is a sectional view taken along the line D—D of FIG.
• Fig. 14 is a cross-sectional view taken along the line E-E in Fig. 11.
• FIG. 15 is a view of FIG.
• Fig. 16 is a front view schematically showing the processing head.
• FIGS. 17 and 18 are hydraulic circuit diagrams showing the hydraulic servo mechanism of the punching head in different operation modes.
• FIG. 1 and 2 show the configuration of a combined punch / laser machine according to one embodiment of the present invention.
• FIG. 1 is a partially cutaway perspective view
• FIG. 2 is a plan view.
• a main body frame 1 having a portal structure is erected on a fixed bed 2, and below the main body frame 1, the main body frame 1 is provided.
• a moving table 3 common to punching and laser processing in which a plate-shaped work is placed and moved so as to intersect is arranged.
• the main body frame 1 is provided with a punching head in which an upper die (punch) and a plate holder (stripper) are mounted at a position slightly offset from the center in the longitudinal direction to one side. 4 is provided with its axis set vertically, and below the punching head 4 is provided a fixing member 5 for mounting a lower die (die).
• a magazine support frame 6 is disposed at a predetermined distance from the main body frame 1 in parallel with the main body frame 1, and a cylindrical mold magazine 7 is provided at both ends of the magazine support frame 6. Are supported by the bearing in a rotating manner. Further, between the mold magazine 7 and the main body frame 1, there is disposed a mold transfer device 8 for mainly transferring the die between the mold magazine 7 and the main body frame 1. .
• the mold transfer device 8 includes a traveling rail 9 installed in parallel with the main body frame 1 and the mold magazine 7, an ATC carriage 10 that can travel along the traveling rail 9, and an ATC carrier.
• the vertical axis frame 11 that can be moved up and down with respect to the lid 10, the vertical axis frame 12 that is horizontally arranged at the lower end of the vertical axis frame 11, and the vertical axis frame 12
• the carrier 13 is provided with a carrier 13 that can move along the same, and a mold hand 14 that can horizontally turn the carrier 13 by a required angle.
• the mold hand 14 has two substantially V-shaped arms in plan view that protrude from the base serving as the center of rotation, and a mold composed of a punch, a strip bar and a die is provided at the tip of each arm. It has a gripping mechanism for gripping in a set state.
• the mold magazine 7 includes a hollow support shaft 15 having a rectangular cross section, a number of mold holding units fixed to four outer surfaces of the support shaft 15 along an axis, and the support shaft 15.
• a magazine indexing drive means for indexing to a required rotation angle and rotating.
• a large number of mold holders 16 for holding a mold composed of a punch, a stripper and a die in a set state are fixed to each mold holding unit.
• a total of 15 mold holders 16 are attached to one mold holding unit, three in the circumferential direction of the support shaft 15 and five in the axial direction.
• the support shaft 15 of the die magazine 7 is indexed to a required rotation angle by the magazine indexing drive means, and the ATC carrier of the die transport device 8 is rotated.
• the carriage 10 is moved along the traveling rail 9 to a predetermined position, and the carrier 13 and the mold hand 14 are positioned at required positions, so that the desired mold is formed. Is delivered to the mold magazine 7.
• the die hand 14 is moved to a predetermined position near the punch processing head 4 and waited.
• an operation of removing the used mold is performed by the arm of the mold hand 14 which is not gripping the mold, and thereafter, the mold hand 14 is turned to rotate the mold.
• the side of the mold holding the mold A rewriting operation is performed.
• a laser light guide tube 17 is fixed to the side surface of the main body frame 1 along the longitudinal direction of the main body frame 1, and a front end of the laser light guide tube 17 is attached to the main body frame 1 as described later.
• a laser processing head 18 is mounted via a laser processing head vibration isolator and offset from the punch processing head 4. Further, a laser oscillator 19 is disposed separately from the main body frame 1 at a position adjacent to the rear end of the main body frame 1 so as to be connected to the rear end of the laser light guide cylinder 17. I have.
• the laser oscillator 19 can be supported on a gantry 21 fixed to the ground 20 via four air springs 22. More specifically, the support plate 23 is fixed to one end and the other end of the upper surface of the bridge 21, and the laser oscillator 19 is mounted on the lower surface of the laser oscillator 19.
• the mounting plate 24 is fixed, and the air spring 22 is conducted between the support plates 23 and 23 and the mounting plate 24 via a mounting seat.
• These air springs 22 are vertically expandable and contractible by compressed air supplied from an air source (not shown).
• the following three types of seating positioning are provided between the support plates 23 and 23 and the mounting plate 24.
• a mechanism is provided. The first is the mounting plate 24 and both sides of the one end side (the left end side in FIG. 4) and the other end side (the right end side in FIG. 4) of the supporting plates 23, 23 facing the mounting plate 24.
• the abutment surface which is provided at a total of four locations near the center of the block, consists of a pair of upper and lower flat blocks 25, 26 with a horizontal surface. As shown in FIG. 7 (enlarged view of part A in FIG.
• one support plate 23 has a pin-shaped convex portion 27 a at the upper end, which is provided substantially at the center on one end side.
• a seat comprising a convex block 27 and a concave block 28 provided on the lower surface of the mounting plate 24 so as to fit into the convex portion 27a of the convex block 27.
• the third is a positioning mechanism, which is provided at a substantially central portion on the other end side of the other support plate 23 and has a wedge-shaped convex portion 29a at an upper end thereof.
• This is a seating positioning mechanism (see FIG. 6) including a concave block 30 provided on the lower surface of the mounting plate 24 so as to fit into the convex portion 29 a of the convex block 29.
• a laser oscillator 19 is provided between the support plates 23 and 23 and the mounting plate 24.
• a detection mechanism is provided to detect the seating. This detection mechanism is composed of two pairs of flat blocks 25, 26 on one end, and the outer position of one flat block 25, 26 on the other end.
• a detection bar 31 provided on the support plate 23 side and constantly urged upward by the action of a compression spring, and a detection bar provided on the mounting plate 24 side And a limit switch 32 pressed by the bar 31.
• a reflecting mirror 34 is connected to the rear end of the laser light guide cylinder 17 via a bellows 33.
• the reflecting mirror 34 is supported via a bracket 36 on the upper end of a column 35 erected on the upper surface of the mounting plate 24, and the upper end of the column 35 is provided with a reinforcing member 37.
• the blocks 25, 26; 27, 28: 29, 30 opposing each other are spaced apart from each other, and the laser oscillator 19 is elastically supported on the bridge 21.
• the transmission of the punch vibration from the ground 20 to the laser oscillator 19 is prevented.
• the laser oscillator 19 is lifted. Pressure becomes 0, and the blocks 25, 26: 27, 28; 29, 30 abut or fit each other, and the laser oscillator 19 is seated at a predetermined position.
• one end side of the seating positioning mechanism has a convex block 27 having a pin-shaped convex portion 27a and a concave block 28 fitted with the convex block 27.
• a convex block 29 having a wedge-shaped convex portion 29a at the other end, and a concave block 30 fitted into the convex block 29 Therefore, even if the material such as iron that constitutes each of the blocks 25, 26; 27, 28: 29, 30 is expanded by the outside air temperature, the Position can be reliably absorbed and the laser processing accuracy and composite processing accuracy can be improved.
• the laser oscillator 19 is seated. Detected by the detection mechanism consisting of the limit switch 32.
• the laser processing head 18 provided at the front end of the laser light guide cylinder 17 is a pair of front and rear fixed to the side surface of the main body frame 1.
• the supporting brackets 38, 38 can be supported via four air springs 39. More specifically, a pair of support brackets 38, 38 are fixed to the side surfaces of the main body frame 1 so as to be separated from each other by a predetermined distance, and these support brackets 38, 38 are fixed.
• the air spring 39 is interposed between the upper plate 38 and the laser processing head mounting plate 40 for fixedly supporting the laser processing head 18 via a mounting seat. ⁇ has been.
• These air springs 39 are vertically expandable and contractible by compressed air supplied from an air source (not shown).
• the laser processing head 18 is vertically mounted on the laser processing head mounting plate 40 so as to be sandwiched between the pair of support brackets 38, 38.
• a bellows 41 is interposed between the front end of the laser light guide cylinder 17 and the laser processing head 18.
• a seating positioning mechanism of the laser oscillator 19 is provided.
• the following three types of seating positioning mechanisms are provided between the support brackets 38, 38 and the laser processing head mounting plate 40.
• Fig. 12 C-C cross section in Fig. 11
• one of the support brackets 38 is provided on one side (upper side in Fig. 10) and a pin is provided at the upper end.
• the convex block 42 having a convex portion 42 a and the laser processing head mounting plate 40 are fitted to the convex portion 42 a of the convex block 42 so as to be fitted to the convex block 42.
• the second is a seating positioning mechanism including a concave block 43 provided, and the other is a second positioning bracket, as shown in FIG. 13 (a cross-sectional view taken along line D—D in FIG. 11).
• a convex block 44 provided on the other side (lower side in FIG. 10) and having a wedge-shaped convex portion 44 a at an upper end portion, and a convex portion 4 of the convex block 44.
• 4a is a seating position determining mechanism comprising a concave block 45 provided on the lower surface of the laser processing head mounting plate 40 so as to fit into the laser processing head 4a.
• Sitting Abutment surface provided alongside each-decided prevention mechanism is seated positioning mechanism consisting of a horizontal plane of the upper and lower pair of flat pro click 4 6, 4 7.
• the support bracket A detection mechanism for detecting that the laser head 18 is seated is provided between the sockets 38, 38 and the laser processing head mounting plate 40.
• a limit switch 49 pressed by the detection bar 48 is provided.
• an air cylinder 50 is attached to each of the support brackets 38 and 38 so as to be located between the air spring 39 and the seating positioning mechanism. .
• the air cylinder 50 is disposed so that the tip of the rod 51 penetrates a hole 40 a formed in the laser processing head mounting plate 40, and the tip of the rod 51 is provided.
• a circular locking plate 52 having a diameter larger than that of the hole 40a is attached to the hole.
• the air cylinder 50 is actuated in the contracting direction together with the stop of the supply of the compressed air to the air spring 39, and the laser processing head mounting plate 40 is supported by the locking plate 52. Plays the role of surely drawing to the 8 side. Further, as shown in FIGS.
• a seating positioning mechanism consisting of the above-mentioned convex block 42 and concave block 43, a seating positioning mechanism consisting of planar blocks 46 and 47, and a seating positioning mechanism provided between these two seating positioning mechanisms.
• the surrounding detection mechanism (detection bar 48, limit switch 49) is entirely covered with a dustproof cover 54.
• a seating positioning mechanism composed of a convex block 44 and a concave block 45, and a flat block 46, 47
• the seating positioning mechanism and the detection mechanism (detection bar 48, limit switch 49) provided between the two seating positioning mechanisms are also covered with the dustproof cover 54.
• dustproof covers 54 are provided to prevent fumes, spatters and the like scattered during laser processing from adhering to the contact surface of the seating positioning mechanism, and are provided on the upper surface of the support bracket 38.
• a first cover part 54a to be erected and a second cover part 54b to be erected on the lower surface of the laser processing head mounting plate 40 are provided.
• the elastic body 54c attached to the tip of 4b is configured to be in sliding contact with the outer peripheral surface of the first cover portion 54a.
• the concave blocks 43, 45 on the laser processing head mounting plate 40 side and the planar blocks are used. Air flow holes 55 penetrating in the vertical direction are formed in the central portions of 47 and 47, and compressed air is supplied to the air flow holes 55 from an air source (not shown). I have. As a result, compressed air is blown to the contact surfaces of the blocks 42, 43; 44, 45, 46, 47, and the seating position of the laser processing head 18 is determined. Can be performed more reliably.
• the compressed air is supplied to the four air springs 39 during punching by the punch head 4 and the air springs 39 are extended.
• the blocks 42, 43; 44, 45; 46, 47 opposing each other of the seating positioning mechanism are separated from each other, and the laser processing head 18 is supported by the support bracket 38, 38. 38, in other words, elastically supported by the body frame 1, thereby preventing the punch vibration from being transmitted from the body frame 1 to the laser processing head 18.
• the laser processing head mounting plate 40 is prevented from rising above a predetermined amount by the upper limit stopper 53.
• laser processing At the time of laser processing with the head 18, the supply of compressed air to the air springs 39 is stopped and the air springs 39 are contracted, and the air cylinder 50 is operated in the contraction direction.
• one of the seating position determining mechanisms includes a convex block 42 having a pin-shaped convex portion 42 a and a concave block 43 fitted with the convex block 42.
• the other is composed of a convex block 4 having a wedge-shaped convex portion 44a and a concave block 45 fitted to the convex block 44.
• the positioning of the laser processing head 18 is detected by a detection mechanism including a detection bar 48 and a limit switch 49.
• the laser processing head 18 is attached to the laser processing head mounting plate 40 via a bellows 56 so as to be able to move up and down. Occasionally, it is raised to an upper evacuation position by a lifting / lowering means (not shown). Further, a camera 57 as a visual sensor is fixedly attached to the laser processing head 18 so that a reference hole or a reference mark on the workpiece W is formed by the camera 57.
• the optical axis is adjusted by imaging. In this optical axis adjustment, for example, a reference hole formed by punching and a reference hole formed by laser processing are respectively imaged by a camera 57, and the coordinates of the centroids of these imaged reference holes are obtained by image processing, and the coordinates are obtained.
• reference numeral 58 denotes a dust collection duct that sucks out a dross or the like generated during laser processing by a pressure difference and discharges it outside the machine.
• the punching head 4 is driven and controlled by a hydraulic servo mechanism as shown in FIGS. 17 and 18. That is, the punching head 4 is provided with a punch driving servo cylinder 59 for vertically moving a punch (not shown).
• This punch driving sub-cylinder 59 includes a cylinder 59a and a screw 59b which is moved up and down along the inner wall surface of the cylinder 59a.
• a pressure chamber 60 having an open top surface is formed in the ton 59 b, and a ram 59 c integral with the cylinder 59 a is fitted into the pressure chamber 60.
• the interior of the cylinder 59a is partitioned into an upper chamber 61 and a lower chamber 62 by the piston 59b.
• the hydraulic pressure discharged from the hydraulic pump 63 is supplied to the inside of the pressure chamber 60 and the lower chamber 62 through a servo valve 64, and the upper chamber 61 is pre-pressed by a servo valve 64.
• the hydraulic pressure is supplied via the valve 65.
• the prefill valve 65 is provided with a spool 65b in a valve body 65a integrated with a cylinder 59a, and the spool 65b is provided at both ends of the valve body 65a. It is operated by the pilot pressure supplied from the pilot port valve 68 to the chambers 66, 67, and is connected to either the servo valve 64 or the tank 69. It communicates with the upper chamber 61 of the cylinder 59a.
• the tank 69 has a sealed structure, and is introduced from an air source (not shown) through the pipe 70. It is constantly pressurized by air at a constant pressure.
• the operating position of the piston 59b accommodated in the cylinder 59a is detected by the position sensor 71, and based on this detection signal, the pilot valve 68 Is controlled.
• a shutter 72 is provided, and a work conveyor 73 extending parallel to the main body frame 1 is provided at a discharge end of the work shooter 72.
• products are carried out on the side of the punching head 4 in the direction perpendicular to the direction in which the mold magazine 7 extends.
• An unloader conveyor (not shown) is provided, and a grip unloader (not shown) is provided at the unloading end of the unloader conveyor.
• a skelton tongue (not shown) that can swing downward is arranged.
• Skeleton conveyor 7 4 extending in parallel with main frame 1 to carry out.
• the product or the residual material is sorted out to various conveyors according to the size and type of the product or the residual material, and is carried out.
• the operation rate is improved.

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

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Citations (5)

• 1994
  • 1994-12-27 JP JP32467294A patent/JP3375442B2/ja not_active Expired - Fee Related
• 1995
  • 1995-12-25 KR KR1019960704319A patent/KR100411484B1/ko not_active Expired - Fee Related
  • 1995-12-25 WO PCT/JP1995/002676 patent/WO1996020065A1/ja active Application Filing
  • 1995-12-25 DE DE19581537T patent/DE19581537T1/de not_active Withdrawn
  • 1995-12-26 TW TW084113881A patent/TW302317B/zh active

Patent Citations (5)

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