CN111299855A - Laser cutting machine for strip processing - Google Patents

Laser cutting machine for strip processing Download PDF

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Publication number
CN111299855A
CN111299855A CN201911258147.XA CN201911258147A CN111299855A CN 111299855 A CN111299855 A CN 111299855A CN 201911258147 A CN201911258147 A CN 201911258147A CN 111299855 A CN111299855 A CN 111299855A
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CN
China
Prior art keywords
laser cutting
frame
tail end
supporting
pressing
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Pending
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CN201911258147.XA
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Chinese (zh)
Inventor
蒋道顺
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Guizhou Southwest Tool Group Co Ltd
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Guizhou Southwest Tool Group Co Ltd
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Application filed by Guizhou Southwest Tool Group Co Ltd filed Critical Guizhou Southwest Tool Group Co Ltd
Priority to CN201911258147.XA priority Critical patent/CN111299855A/en
Publication of CN111299855A publication Critical patent/CN111299855A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36Removing material
    • B23K26/38Removing material by boring or cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • B23K26/702Auxiliary equipment

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

Abstract

The invention belongs to the field of laser cutting machines, and particularly relates to a strip processing laser cutting machine which comprises a rack, a laser cutting device and a control device, wherein the laser cutting device and the control device are arranged at one end of the rack; the laser cutting device is driven by the cutting driving device to move in the horizontal direction and the vertical direction which are vertical to the guide rail. When the belt material is cut, the clamping stability is high, the precision and the consistency of the cutting of the belt material can be effectively guaranteed, and the middle part of a longer belt material can be supported due to the arrangement of the middle supporting device, so that the bending deformation of the belt material can be effectively prevented, and the cutting quality of the belt material is guaranteed.

Description

Laser cutting machine for strip processing
Technical Field
The invention belongs to the field of laser cutting machines, and particularly relates to a strip processing laser cutting machine.
Background
The laser cutting machine is a device which utilizes a laser to emit laser, focuses the laser into a high-energy laser beam to irradiate the surface of a workpiece, enables the workpiece to reach a melting point or a boiling point, and simultaneously blows away molten or gasified metal through high-pressure gas coaxial with the high-energy laser beam to realize cutting. However, when the existing laser cutting machine is used for cutting a belt material, the automation degree and the cutting efficiency are low, the clamping stability of the existing laser cutting machine on the belt material is poor when the existing laser cutting machine is used for cutting the belt material, and the cutting precision and consistency are seriously influenced; in addition, when cutting a long tape, the tape is easily bent and deformed by gravity. Therefore, it is necessary to provide a laser cutting machine specifically for strip processing.
Disclosure of Invention
The invention aims to provide a belt processing laser cutting machine, which aims to solve the problems of low efficiency and poor clamping stability when the conventional laser cutting machine is used for cutting a belt.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the laser cutting machine for processing the strip materials comprises a rack, a laser cutting device and a control device, wherein the laser cutting device and the control device are arranged at one end of the rack; the laser cutting device is driven by a cutting driving device to act in the horizontal direction and the vertical direction which are vertical to the guide rail; the tail end clamping device, the feeding driving device, the front end clamping device, the middle supporting device, the cutting driving device and the laser cutting device are all electrically connected with the control device.
Preferably, the tail end clamping device comprises a tail end clamping bottom plate matched with the guide rail and a tail end clamping pressure rod arranged on the upper side of the tail end clamping bottom plate, a tail end pressing cylinder is arranged on the tail end clamping bottom plate, a cylinder rod of the tail end pressing cylinder is connected to the tail end clamping pressure rod, and the tail end clamping pressure rod is driven to move downwards to press the tail end of the workpiece on the tail end clamping bottom plate.
Preferably, the feeding driving device comprises a driving motor which is inversely installed on the tail end clamping device and a rack which is parallel to the guide rail, and a driving gear which is meshed with the rack is installed on an output shaft of the driving motor.
Preferably, the cutting driving device comprises a portal frame fixed at the end part of the rack and a driving frame capable of translating along a horizontal beam of the portal frame, a horizontal screw and a horizontal driving motor capable of driving the horizontal screw to rotate are mounted on one side of the portal frame, a horizontal screw sleeve sliding block matched with the horizontal screw is arranged on the driving frame, and the driving frame is mounted on the horizontal screw through the horizontal screw sleeve sliding block; still be equipped with perpendicular lead screw and drive on the drive frame perpendicular lead screw pivoted vertical drive motor, be equipped with the perpendicular silk cover slider of adaptation with it on the perpendicular lead screw, be connected with the laser mounting panel on the perpendicular silk cover slider, laser cutting device installs on the laser mounting panel.
Preferably, the laser cutting device includes laser cutting head and laser generator, laser generator passes through optical fiber connection the laser cutting head, the laser cutting head is installed on the laser mounting panel, laser generator with controlling means electricity is connected.
Preferably, the middle supporting device comprises a middle fixed seat, a supporting frame and a supporting roller, wherein the middle fixed seat, the supporting frame and the supporting roller are fixedly arranged in the middle of the rack; the supporting roller is horizontally and rotatably arranged on the supporting frame; the supporting frame is connected with a driving device capable of driving the supporting frame to rotate around the horizontal axis, the supporting frame can be kept fixed relative to the middle fixing seat, and the supporting roller can be driven to synchronously rotate around the horizontal axis in the rotating process of the supporting frame so as to adjust the height of the supporting roller.
Preferably, still including preventing constantly stop device, prevent constantly stop device including setting up the suction hood just to taking material cutting end on laser cutting machine, the suction hood inboard is equipped with limit switch and can triggers under the work piece drive that does not cut off limit switch's limiting plate.
Preferably, the front end clamping device comprises a front end supporting plate arranged on the rack, a positive pressure mechanism used for pressing the front end of the belt material on the front end supporting plate, and a side pressure mechanism used for pressing the front end of the belt material from two sides.
Preferably, malleation mechanism includes that the front end presses the frame, the rotatable installation in front end pressure frame both sides are passed through the connecting piece in the frame to it winds through the preceding pressure drive arrangement drive that one end is connected the connecting piece rotates and compresses tightly and unclamp the area material, the other end that the front end pressed the frame is equipped with and arranges in the piece that compresses tightly of front end backup pad upside.
Preferably, the side pressing mechanism comprises a side pressing cylinder arranged on the lower side of the front end supporting plate, a strip-shaped chute is formed in the front end supporting plate, a positioning roller is rotatably arranged at the end part of the front end supporting plate in the same direction as the strip-shaped chute, a side pressing slider matched with the strip-shaped chute is arranged in the strip-shaped chute, a pressing roller exposed out of the upper side of the front end supporting plate is rotatably arranged at the upper end of the side pressing slider, and the lower end of the side pressing slider is connected to the tail end of a cylinder rod of the side pressing cylinder.
The invention has the beneficial effects that: when the belt material is cut, the belt material can be placed on the rack side by side, the tail end of the belt material is clamped by the tail end clamping device, the front end of the belt material is clamped by the front end clamping device, the middle supporting device is supported in the middle, the clamping stability is high, the precision and the consistency of belt material cutting can be effectively guaranteed, and the middle of the longer belt material can be supported by the middle supporting device, so that the bending deformation of the belt material can be effectively prevented, and the quality of belt material cutting is guaranteed; can once only cut many area materials of side by side centre gripping through laser cutting device, accomplish once cutting back, front end clamping device unclamps or keeps the propulsive clamping state, then impel the pay-off forward at the tail end of centre gripping area material through pay-off drive arrangement drive tail end clamping device, cut next time again, the length that impels the pay-off every time sets up through controlling means according to the work piece length that needs the cutting, after the setting finishes, tail end clamping device, pay-off drive arrangement, front end clamping device, middle strutting arrangement, cutting drive arrangement and laser cutting device all set up according to controlling means's procedure, the parameter comes the automatic operation, degree of automation is high, cutting efficiency is high, artifical only need the clamping area material with change area material can, very big reduction intensity of labour.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a cutting drive according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a feeding driving device according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of an intermediate support device according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of an intermediate support apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a discharge port according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a receiving sled according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a dust hood according to an embodiment of the present invention;
FIG. 9 is a schematic view of the internal structure of the dust hood according to the embodiment of the present invention;
FIG. 10 is a schematic front view of a dust hood according to an embodiment of the present invention;
FIG. 11 is a schematic perspective view of a positive pressure mechanism according to an embodiment of the present invention;
FIG. 12 is an enlarged view of portion A of FIG. 11;
FIG. 13 is a schematic cross-sectional view of a positive pressure mechanism in an embodiment of the present invention;
FIG. 14 is a schematic perspective view of a lateral pressing mechanism according to an embodiment of the present invention;
fig. 15 is a schematic cross-sectional structural view of a lateral pressure mechanism in an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of the claimed invention is not limited thereto.
Referring to fig. 1-15, a laser cutting machine for processing a strip material comprises a frame 1, a laser cutting device 2 and a control device 3, the laser cutting device 2 is arranged at one end of the frame 1, a guide rail 11 is arranged on the frame 1, a tail end clamping device 4 for clamping the tail end of the strip material is arranged on the guide rail 11 through the guide rail 11, the tail end clamping device 4 is driven to act on the guide rail 11 through a feeding driving device 5 so as to realize forward feeding, a front end clamping device 6 for clamping the front end of the strip material and a discharge hole 7 for discharging are arranged on the frame 1 below the laser cutting device 2, the front end clamping device 6 clamps the front end of the strip material during cutting, the stability during cutting can be improved, the cutting precision is guaranteed, in addition, an intermediate supporting device 8 is further arranged in the middle of the frame 1, the intermediate supporting device 8 is arranged in a structure capable of rising and falling so, and the tail end clamping device 4 falls down to give way when running to the middle part so as to ensure the smooth feeding; the laser cutting device 2 is driven by the cutting driving device 21 to move in the horizontal direction and the vertical direction which are vertical to the guide rail 11, the laser cutting device 2 moves in the horizontal direction to complete the action of cutting the strips, and moves in the vertical direction, so that the height of the laser cutting device 2 can be adjusted, and the laser cutting device is suitable for cutting the strips with different thicknesses; in order to realize automatic control and facilitate operation, the tail end clamping device 4, the feeding driving device 5, the front end clamping device 6, the middle supporting device 8, the cutting driving device 21 and the laser cutting device 2 are all electrically connected with the control device 3, and a PLC is arranged in the control device 3 so as to be convenient for programming cutting programs and parameters, so that all parts can automatically run according to the programs and the parameters to automatically cut the strip material.
During cutting, the strips are placed on the rack 1 side by side, the tail end of the strips is clamped by the tail end clamping device 4, the front end of the strips is clamped by the front end clamping device 6, the middle supporting device 8 is supported in the middle of the strips, and then the strips clamped side by side can be cut at one time by the laser cutting device 2, so that the cutting efficiency is high, cut workpieces fall from the discharge port 7, and are conveniently and intensively collected at the discharge port 7; after the completion of once cutting, front end clamping device 6 is loosened or is kept at the propulsive clamping state, then drive tail end clamping device 4 through pay-off drive arrangement 5 and advance the pay-off forward at the tail end of centre gripping area material, carry out the cutting next time again, the work piece length that the length that advances the pay-off every time and cut as required sets up through controlling means 3, after finishing setting up, tail end clamping device 4, pay-off drive arrangement 5, front end clamping device 6, middle strutting arrangement 8, cutting drive arrangement 21 and laser cutting device 2 all set up according to controlling means 3 good procedure, the parameter comes the automatic operation, degree of automation is high, cutting efficiency is high, only need the clamping area material of manual work and change area material can, very big reduction intensity of labour.
Specifically, the tail end clamping device 4 comprises a tail end clamping bottom plate 41 matched with the guide rail 11 and a tail end clamping pressure rod 42 arranged on the upper side of the tail end clamping bottom plate 41, a tail end pressing cylinder 43 is arranged on the tail end clamping bottom plate 41, a cylinder rod of the tail end pressing cylinder 43 is connected to the tail end clamping pressure rod 42, the tail end clamping pressure rod 42 is driven to move downwards to press the tail end of the workpiece on the tail end clamping bottom plate 41, when the strip is clamped, the tail end of the strip is placed on the tail end clamping bottom plate 41, and then the tail end clamping pressure rod 42 is driven to move downwards to press the tail end of the strip through the tail end pressing cylinder 43; in order to make the strip pair compression more balanced, a Z-shaped plate 44 is fixed in the middle of the tail end clamping bottom plate 41, the tail end compression air cylinder 43 is inversely installed on the horizontal part of the upper end of the Z-shaped plate 44 and is arranged above the middle of the tail end clamping pressure rod 42, and the lower end of the air cylinder rod is connected to the middle of the tail end clamping pressure rod 42, so that the strip arranged on two sides is stressed more balanced by applying force in the middle of the tail end clamping pressure rod 42; in addition, tail end centre gripping depression bar 42 both ends still are equipped with the guiding hole, tail end centre gripping bottom plate 41 both ends be fixed with the guide bar 45 of guide hole adaptation, tail end centre gripping depression bar 42 both ends are established on guide bar 45 through the cooperation cover of guiding hole and guide bar 45, and during its up-and-down motion, both ends move along guide bar 45, and are more stable, and simultaneously, guide bar 45 also can provide the location of area material side to prevent to take material tail end skew.
On the basis of the foregoing embodiment, two sides of the rack 1 are respectively fixed with a guide rail 11, the lower sides of two ends of the tail end clamping bottom plate 41 are respectively fixed with a feeding slide block 46 adapted to the guide rail 11, the feeding slide block 46 slides on the guide rail 11, and the tail end clamping bottom plate 41 is fixedly connected to the feeding slide block 46, so that the feeding slide block 46 is convenient to repair and replace after being worn; an anti-falling device 47 is fixed on the rack 1 corresponding to the end of one of the guide rails 11, a tail end limit switch 48 is mounted on the anti-falling device 47, and the tail end limit switch 48 is in signal connection with the control device 3; by arranging the tail end limit switch 48 on the anti-falling device 47, when the tail end clamping bottom plate 41 runs to the end part of the rack 1 in the resetting process, the tail end limit switch 48 is triggered, the tail end limit switch 48 sends a signal to the control device 3, the feeding driving device 5 is controlled to stop running in time, and the tail end clamping device 4 is prevented from being separated from the rack 1; and the anti-disengaging device 47 can fix a polyurethane anti-collision block or a rubber anti-collision block on the side facing the tail end clamping bottom plate 41, so that under the condition that the tail end limit switch 48 fails, the tail end clamping bottom plate 41 can provide a buffer when colliding with the polyurethane anti-collision block or the rubber anti-collision block, and the tail end clamping bottom plate 41 is prevented from being damaged by collision.
Referring to fig. 3, the feeding driving device 5 includes a driving motor 51 inversely installed on the tail end clamping bottom plate 41 and a rack 52 parallel to the guide rail 11, the rack 52 is fixed on the rack 1 inside one guide rail 11, a driving gear 53 meshed with the rack 52 is installed on an output shaft of the driving motor 51, the driving motor 51 adopts a servo motor, when feeding is needed, the driving motor 51 drives the driving gear 53 to rotate, and the driving gear 53 rolls on the rack 52, so as to drive the tail end clamping device 4 to move along the guide rail 11; in addition, the outer cover of the driving motor 51 is provided with a protective cover 54 to prevent foreign objects from colliding with the driving motor 51 and damaging the driving motor 51, and the protective cover 54 is also orderly provided with a plurality of heat dissipation holes 55 to facilitate heat dissipation and prevent the driving motor 51 from being burnt out.
Referring to fig. 2, on the basis of the foregoing embodiment, the cutting driving device 21 includes a gantry 211 fixed at an end of the rack 1 and a driving frame 212 capable of translating along a horizontal beam of the gantry 211, a horizontal lead screw 213 and a horizontal driving motor capable of driving the horizontal lead screw 213 to rotate are installed at one side of the gantry 211, and a horizontal screw sleeve slider adapted to the horizontal lead screw 213 is installed on the driving frame 212 and is installed on the horizontal lead screw 213 through the horizontal screw sleeve slider; the driving frame 212 is further provided with a vertical screw 214 and a vertical driving motor 215 for driving the vertical screw 214 to rotate, the vertical screw 214 is provided with a vertical screw sleeve sliding block matched with the vertical screw 214, the vertical screw sleeve sliding block is connected with a laser mounting plate 216, the laser cutting device 2 is mounted on the laser mounting plate 216, specifically, the upper side and the front side of a horizontal beam of the portal frame 211 are both provided with a translation guide rail 217, the driving frame 212 is provided with a translation sliding groove matched with the translation guide rail 217 and is mounted on the portal frame 211 in a translation manner through the cooperation of the translation sliding groove and the translation guide rail 217, similarly, the driving frame 212 is provided with a vertical guide rail, the laser mounting plate 216 is provided with a vertical sliding groove matched with the vertical guide rail, and is mounted on the driving frame 212 in a vertical and horizontal manner through the cooperation of the vertical sliding groove and the vertical guide rail so as to move in the horizontal, the smoothness and stability are improved; therefore, when cutting, the height of the laser cutting device 2 can be adjusted up and down by driving the laser cutting device 2 through the vertical driving motor 215, and the horizontal driving motor drives the laser cutting device 2 to cut the strip from left to right.
Specifically, laser cutting device 2 includes laser cutting head 22 and laser generator, laser generator passes through optical fiber connection laser cutting head 22, laser cutting head 22 is installed on laser mounting panel 216, laser generator with controlling means 3 electricity is connected, and after the cutting begins, controlling means 3 control laser generator starts and produces high energy laser, and high energy laser gets into laser cutting head 22 through optic fibre to on the area material is penetrated to from laser cutting head 22 lower extreme, the quick material gasification with the cutting position realizes the cutting to the area material, cuts efficiently.
On the basis of the previous embodiment, the laser cutting head 22 is externally provided with a laser protection cover 23, and the laser protection cover 23 is mounted on the laser mounting plate 216 so as to provide protection for the laser cutting head.
Referring to fig. 1, 4 and 5, for a long strip, since the strip cut in the first half after clamping is prone to sag and bend, the embodiment of the present invention provides an intermediate support device 8 in the middle of the frame 1 to provide support in the first half of the long strip cut to prevent the strip from bending.
Specifically, the intermediate supporting device 8 comprises an intermediate fixing seat 81 arranged in the middle of the rack 1, a supporting frame 82, a supporting roller 83 and a driving device 84, wherein the intermediate fixing seat 81 is provided with a plurality of fixing holes, and the intermediate fixing seat 81 can be fixedly installed on the rack 1 by adopting a screw connection mode, so that the installation position of the intermediate fixing seat 81 can be adjusted, and thus the installation position of the intermediate supporting device 8 can be adjusted; the supporting frame 82 is rotatably connected with the middle fixed seat 81 and can rotate around a horizontal axis; the supporting roller 83 is horizontally and rotatably arranged on the supporting frame 82 to support the piece to be cut, so that the friction between the piece to be cut and the surface of the supporting roller 83 is rolling friction; the driving device 84 is connected with the supporting frame 82, and can drive the supporting frame 82 to rotate around a horizontal axis, and can keep the supporting frame 82 fixed relative to the position of the middle fixing seat 81, wherein the supporting frame 82 can drive the supporting roller 83 to synchronously rotate around the horizontal axis in the rotating process so as to adjust the installation height of the supporting roller 83 relative to the rack 1, and realize the actions of supporting and falling.
When the driving device 84 is not operated, the support frame 82 can be kept fixed in position relative to the frame 1, so as to play a role of supporting the belt material to be cut through the supporting roller 83, reduce the bending deformation of the belt material in the pushing and feeding process, ensure the cutting processing quality, meanwhile, the supporting roller 83 is rotatably connected with the supporting frame 82, so that the supporting roller 83 is in rolling contact with the belt material, the friction force between the belt material and the supporting roller 83 is reduced, the feeding of the belt material is facilitated, since the supporting rollers 83 are higher in height when supporting the belt material, when the rear-end holding device 4 moves to the supporting rollers 83, the supporting rollers 83 hinder the movement of the rear-end holding device, the supporting roller 83 can be driven to rotate synchronously by driving the supporting frame 82 to rotate through the driving device 84, thereby lowering the height of the support rollers 83 so that they do not hinder the movement of the rear-end holding device 4.
On the basis of the foregoing embodiment, the supporting frame 82 may include a first shaft 821 and a second shaft 822 that are disposed in a cylindrical shape, and the first shaft 821 and the second shaft 822 are fixedly connected through a connecting shaft 823, where the first shaft 821 is disposed horizontally and is in rotating fit with the middle fixing seat 81, the horizontal axis is a central axis of the first shaft 821, two ends of the supporting roller 83 are respectively connected with two ends of the second shaft 822, and an axis of the supporting roller is parallel to an axis of the first shaft 821.
Further, both ends of the second shaft body 822 may be convexly provided with mounting ears 824, the mounting ears 824 are provided with mounting portions 825 for mounting the supporting roller 83, and the mounting portions 825 may be mounting holes or mounting grooves, preferably the mounting grooves in this embodiment, and the mounting of the supporting roller 83 is facilitated by the arrangement of the mounting ears 824. Furthermore, in order to improve the structural strength between the first shaft 821 and the second shaft 822, both ends of the first shaft 821 are provided with a connecting shaft 823 fixedly connected to both ends corresponding to the second shaft 822, wherein the first shaft 821 is parallel to the second shaft 822, and the connecting shaft 823 is perpendicular thereto.
On the basis of the foregoing embodiment, the driving device 84 may include a motor 841 and a reducer 842, the motor 841 is in transmission connection with one end of the supporting frame 82 through the reducer 842, and the rotation of the motor 841 may be controlled to control the rotation of the supporting frame 82, so as to achieve the adjustment of the height of the supporting roller 83, and when the motor 841 does not rotate, the supporting frame 82 may be kept fixed relative to the middle fixing seat 81, and the adjustment is convenient and labor-saving, and preferably, the motor 841 may adopt a servo motor.
Further, in order to facilitate the transmission connection between the supporting frame 82 and the speed reducer 842, the end of the supporting frame 82 may be connected to the speed reducer 842 through a coupling 843.
Furthermore, the middle fixing seat 81 can be provided with two, and the two ends of the supporting frame 82 are respectively in running fit with each other, so that the connection stability of the supporting frame 82 and the middle fixing seat 81 is improved, and meanwhile, the two supporting frames 82 can be respectively fixedly installed on two sides of the rack 1, so that the installation stability of the whole middle supporting device 8 is improved.
Further, can set up the first bearing 811 with the tip normal running fit of support frame 82 on the fixing base 81 in the middle of two to improved the stability that support frame 82 and middle fixing base 81 are connected, reduced the frictional force between support frame 82 and the middle fixing base 81, make support frame 82 more smooth when rotating.
In a more preferred embodiment, the supporting rollers 83 may include an inner roller 831 and an outer roller 832 which are arranged in a cylindrical shape, both ends of the inner roller 831 are fixedly connected with the supporting frame 82, the outer roller 832 is rotatably sleeved outside the inner roller 831, specifically, both ends of the inner roller 831 may be fixedly connected with the supporting frame 82 through nuts, respectively, and the mounting stability of the outer roller 832 is improved by rotatably sleeving the outer roller 832 outside the inner roller 831.
Further, in order to improve the coupling stability between the outer roller 832 and the inner roller 831, the friction between the outer roller 832 and the inner roller 831 is reduced, so that the outer roller 832 rotates more smoothly relative to the inner roller 831, and both ends of the outer roller 832 may be rotatably engaged with the inner roller 831 through the second bearing 833.
Referring to fig. 6 and 7, on the basis of the foregoing embodiment, the discharge port 7 includes a receiving slide plate 71 obliquely disposed below the cutting end of the laser cutting machine, two sides of the receiving slide plate 71 are integrally provided with side baffles 72 which are turned upwards, an upper baffle 73 is connected between the side baffles 72 at two sides, a plurality of through holes 711 are neatly and densely disposed on the receiving slide plate 71, by the above structural arrangement, a workpiece cut by the laser cutting machine falls onto the receiving slide plate 71 below from the cutting end and slides down along the receiving slide plate 71, the side baffles 72 at two sides are blocked at two sides to prevent the workpiece from sliding down from two sides, and by the arrangement of the upper baffle 73, if the workpiece falls onto the receiving slide plate 71 and bounces, the workpiece is blocked by the upper baffle 73, so as to avoid the bounces and splashes, and to conveniently collect the workpiece at the lower end of the receiving slide plate 71, since the through holes 711 are regularly and densely arranged on the receiving sliding plate 1, some chips generated in the process of cutting the workpiece or rust of the material itself can leak from the through holes 711 to the lower part of the receiving sliding plate 71, so that the received workpiece has less sundries.
On the basis of the previous embodiment, the lower portion of the receiving slide plate 71 is configured to be an inverted trapezoid, the side barrier 72 includes an upper barrier 721 disposed on both sides of the upper portion of the receiving slide plate 71 and a lower barrier 722 disposed on both sides of the trapezoid portion of the lower portion, the upper barrier 721 and the lower barrier 722 on each side are connected together, the upper barrier 73 is also configured to be an inverted trapezoid, and both ends of the upper barrier are connected to the lower barriers 722 on both sides, so that the lower portion of the discharge port is closed, the size of the lower end of the discharge port is reduced, and the workpieces are received in a centralized manner by the container. Specifically, the upper edges of the lower flanges 722 on the two sides are oppositely provided with connecting edges 723, the connecting edges 723 are provided with at least two threaded holes 724, the two sides of the upper baffle plate 73 are provided with connecting holes corresponding to the threaded holes 724, and the connecting holes penetrate through screws to be matched and fixed with the threaded holes 724 on the connecting edges 723, so that the mounting connection is facilitated.
On the basis of the foregoing embodiment, the upper rib 721 is provided with a plurality of mounting holes 725 for fixing the upper rib on the laser cutting machine, so that the whole discharging hole can be mounted at the discharging position of the laser cutting machine through screws. In addition, the upper edge of the upper baffle 721 is set to be horizontal, the front side is set to be vertical, the positioning edges 726 are oppositely arranged on the front sides of the upper baffle 721 on the two sides, the upper side of the upper baffle 73 is provided with a front baffle 731 tilting upwards, the front baffle 731 is tightly attached to the positioning edges 726 of the upper baffle 721, so that a feeding port is formed between the upper edge of the front baffle 731 and the upper edge of the receiving slide plate 71, so that a workpiece can fall into the feeding port.
Further, referring to fig. 8, 9, and 10, the embodiment of the present invention further includes an anti-continuous limiting device 9, where the anti-continuous limiting device includes a dust hood 91 disposed on the laser cutting machine and facing the cutting end of the strip, a limiting switch 92 and a limiting plate 93 capable of triggering the limiting switch 92 under the driving of the strip that is not cut off are disposed inside the dust hood 91, the limiting switch 92 may be a proximity switch or a contact switch, when the strip is not cut off, the strip that is not cut off drives the limiting plate 93 to move forward when the strip is fed forward, so as to trigger the limiting switch 92, and the limiting switch 92 sends a signal to the control device 3 to stop or give an alarm, so as to timely handle the problem of continuous cutting and ensure the normal operation of production and cutting.
Specifically, dust hood 91 includes the integrative roof 911 that sets up, preceding curb plate 912 and the end plate 913 of both sides, and preceding curb plate 912 and end plate 913 are followed down and all are provided with outside extension's installation limit 914 to install whole dust hood 91 on laser cutting machine, the rotatable installation of limiting plate 93 roof 911 downside, limit switch 92 install on preceding curb plate 912, just limit switch 92's trigger end orientation limiting plate 93, like this when the work piece that is not cut off touches limiting plate 93, will promote limiting plate 93 and rotate to promote limiting plate 93 and trigger limit switch 92.
For the rotatable mounting of the limit plate 93, the following structure may be adopted: a rotating shaft 931 is integrally arranged on the upper side of the limit plate 93 and exposes two ends of the rotating shaft 931, and two ends of the rotating shaft 931 are mounted on the top plate 911 through a positioning sleeve 932, so that the limit plate 93 is pushed to rotate by taking the rotating shaft 931 as a rotating center to trigger the limit switch 92.
In addition, the limit plate 93 can also adopt other structures which can trigger the limit switch 92, for example, a guide rod is arranged below the top plate 911, then a sliding hole matched with the guide rod is arranged on the limit plate 93, the limit plate 93 can be arranged below the top plate 911 in a front-back action manner through the matching of the sliding hole and the guide rod, and then a return spring is connected between the limit plate 93 and the front side plate 912, so that the workpiece pushes the limit plate 93 to trigger the limit switch 92 and then the reset is carried out; the guide rods may be horizontally connected to the top plate 911 or the front plate 912.
On the basis of the foregoing embodiment, the front side plate 912 is provided with a mounting seat 921, and the limit switch 92 is mounted and fixed on the mounting seat 921 so as to mount the limit switch 92.
On the basis of the foregoing embodiment, the front side plate 912 is provided with the dust suction pipe 94 for connecting a dust suction device to perform dust suction and smoke removal, so as to draw away smoke generated during cutting through the dust suction device, thereby ensuring a fresh air environment of a production site, the dust suction pipe 94 comprises a main dust suction pipe 941 for being directly connected with the dust suction device and a transverse dust suction pipe 942 connected with the main dust suction pipe 941, the transverse dust suction pipe 942 is connected with a plurality of dust suction branch pipes 943, the front side plate 912 is uniformly provided with a plurality of dust suction holes 915 along the horizontal direction, and each branch dust suction pipe 943 is correspondingly connected with one dust suction hole 915, so as to generate uniform negative pressure in the dust suction cover 91 and more efficiently draw away smoke.
Referring to fig. 1, 11, 12, and 13, in addition to the foregoing embodiment, the leading end holding device 6 includes a leading end support plate 61, a positive pressure mechanism for pressing the leading end of the tape against the leading end support plate 61, and a side pressure mechanism for pressing the tape from both sides. The positive pressure mechanism comprises a front end pressing frame 62, the front end pressing frame 62 is rotatably mounted on the frame 1 through a connecting piece 63 and is driven to rotate around the connecting piece 63 through a front pressure driving device 64 connected with one end of the front end pressing frame to press and loosen the front end of the strip material, and a pressing piece 65 arranged on the upper side of a front end supporting plate 61 is arranged at the other end of the front end pressing frame 62; the front end pressing frame 62 is used for pressing the front end of the belt material through a pressing piece 65 at the other end under the driving of a front pressing driving device 64 connected with one end, so that the stability of the front end of the belt material is improved, and the belt material is convenient to cut; the front end pressing frame 62 integrally forms a lever, the size and shape of which are not limited, so as to realize the pressing function of the front end of the belt material, for example, the front end pressing frame 62 may be a connecting rod, a supporting plate or a plane or three-dimensional structure formed by combining a plurality of connecting rods; the front end of the belt material is compressed or loosened through the lever structure, the structure is simple, the switching is convenient, and the switching between the compression state and the loosening state can be performed quickly and smoothly, so that the cutting efficiency of the laser cutting machine can be improved.
Specifically, front end pressure frame 62 includes first horizontal pole 621, second horizontal pole 622, first montant 623 and second montant 624, first horizontal pole 621, second horizontal pole 622, first montant 623 and second montant 624 are end to end in proper order and form the rectangle, and front end pressure frame 62 is the loop configuration of side promptly, and such front end pressure frame 62 simple structure, the processing and the installation of being convenient for, meanwhile, also can play fine effect of compressing tightly to many area materials simultaneously through compressing tightly 65. The pressing piece 65 is a pressing roller sleeved on the first cross bar 621; the forward pressure driving device 64 is connected to the second cross bar 622. The compression roller is used for compressing tightly the location to the area material front end, and during compressing tightly, area material downside and front end backup pad 61 contact, the roll surface contact of upside and compression roller, when advancing the pay-off forward, area material downside and front end backup pad 61 friction, and the upside then drives the compression roller and rotates to can advance forward under the state that compresses tightly.
One end of the connecting piece 63 is connected with the front end pressing frame 62, and the other end is used for being connected with the machine frame 1 or the portal frame 211, so that the front end pressing frame 62 can rotate on the laser cutting machine. The connecting piece 63 with the rotary connecting function is a commonly used part in the field, and can adopt the combination of a shaft and a bearing, the bearing is arranged on the front end pressing frame 62, one end of the shaft is matched with the bearing, and the other end of the shaft is fixed on the frame 1 or the portal frame 211, so that the rotary connection between the front end pressing frame 62 and the laser cutting machine can be realized; other similar connection means are not described in detail herein.
The front pressing driving device 64 is connected with the middle of the second cross rod 622 so as to drive the pressing piece 65 to press or loosen the front end of the strip material, the front pressing driving device can adopt an air cylinder so as to be controlled, the air cylinder can reliably work under severe conditions, the operation is simple, the front pressing driving device can basically realize maintenance-free, the output torque is large, the applicability is strong, reciprocating linear motion is good at, after the front pressing driving device is connected between the second cross rod 622 and the rack 1, the second cross rod 622 is pulled and pushed along the up-down direction, and the pressing piece 65 can be driven to press and loosen the strip material.
In order to reduce the occupied space of the connecting pieces 63 on the premise that the front end pressing frame 62 rotates on the laser cutting machine, the number of the connecting pieces 63 can be two, and the two connecting pieces 63 are respectively connected with the first vertical bar 623 and the second vertical bar 624, so that the rotation of the front end pressing frame 62 is substantially the rotation of the first cross bar 621 and the second cross bar 622 around the connecting pieces 63, the connecting structure of the front end pressing frame 62 is simplified, and the space is saved for the arrangement of other parts or components on the laser cutting machine. Specifically, the connecting line of the two connecting members 63 is parallel to the first cross bar 621, and since the front end pressing frame 62 is rectangular, the first cross bar 621 and the second cross bar 622 are parallel to each other, and therefore, the connecting line of the two connecting members 63 is parallel to the first cross bar 621 and the second cross bar 622 simultaneously. Thus, when the front end pressure frame 62 rotates, that is, the first cross bar 621 and the second cross bar 622 rotate, the whole front end pressure frame 62 can keep a stable state, so as to ensure the normal operation of the function of pressing and loosening the belt material.
In order to achieve a larger displacement of the pressing member 65 to press a larger size web material under the condition that the stroke of the forward pressing driving device 64 is fixed, in one embodiment, the distance between the connecting member 63 and the first cross bar 621 is larger than the distance between the connecting member 63 and the second cross bar 622 along the direction parallel to the first vertical bar 623, that is, the front end pressing frame 62 forms a so-called laborious lever, the distance between the connecting member 63 and the first cross bar 621 is a resistance arm of the lever, the distance between the connecting member 63 and the second cross bar 622 is a power arm of the lever, the laborious power arm of the lever is shorter than the resistance arm, the power moving distance is saved, so that a larger moving distance of the first cross bar 621 can be obtained under the condition that the second cross bar 622 moves a little, and the intended purpose is achieved.
Because the front end pressing frame 62 is set as a labor-consuming lever, the driving device 4 needs to apply a larger driving force to the second cross bar 12, so as to avoid the damage of the position of the second cross bar 622 due to an excessive stress, a reinforcing member 625 can be additionally arranged on the front end pressing frame 62, and the reinforcing member 625 is connected with the first vertical bar 623, the second cross bar 622 and the second vertical bar 624, so as to maintain the overall structural stability of the front end pressing frame 62. The reinforcing member 625 may be a reinforcing rib or the like, and is located between the connecting line of the two connecting members 63 and the second cross bar 622, i.e. at the end closer to the front end pressure frame 62 and receiving the driving force, so as to reinforce the connecting line and prolong the service life of the front end pressure frame 62.
Referring to fig. 14 and 15, in addition to the above-mentioned embodiment, the side pressing mechanism includes a side pressing cylinder 66 mounted on the lower side of the front end support plate 61, the front end support plate 61 is provided with a strip-shaped sliding groove 611, a positioning roller 612 is rotatably mounted on the end portion of the front end support plate 61 in the same direction as the strip-shaped sliding groove 611, a side pressing slider 661 fitted to the strip-shaped sliding groove 611 is provided in the strip-shaped sliding groove 611, a pressing roller 662 exposed to the upper side of the front end support plate 61 is rotatably mounted on the upper end of the side pressing slider 661, and the lower end of the side pressing slider 661 is connected to the end of a cylinder rod 663. The positioning roller 612 positions one side of the workpiece through the wheel surface, the pressing roller 662 presses the other side of the workpiece through the wheel surface, when the workpiece is clamped, one side of the workpiece is leaned against the wheel surface of the positioning roller 612, and then the side pressure cylinder 66 drives the side pressure slide block 661 to slide in the strip-shaped sliding groove 611, so that the pressing roller 662 is driven to press the workpiece.
One side of a workpiece is positioned through the positioning roller 612, the other side of the workpiece is pressed by the pressing roller 662 under the driving of the side pressure air cylinder 66, the workpiece can be clamped from two sides, so that the workpiece is prevented from being deviated to two sides, the workpiece is convenient to cut, and because the positioning roller 612 and the pressing roller 662 can both rotate, the wheel surface of the wheel surface is in contact with the workpiece, when the wheel surface pushes the workpiece to feed forwards through force application, the positioning roller 612 and the pressing roller 662 can also be driven to rotate, so that the forward feeding in a clamping state is ensured, the loosening is not needed, the workpiece is effectively prevented from deviating, and the consistency of the cutting of the workpiece is greatly.
On the basis of the foregoing embodiment, a first insertion groove 613 is formed in the support plate 1 along the upper edge of the strip-shaped sliding groove 611, a second insertion groove 614 is formed in the position where the positioning roller 612 is installed on the front end support plate 61, the lower portion of the pressing roller 662 is placed in the first insertion groove 613, and the lower portion of the positioning roller 612 is placed in the second insertion groove 614, so that after installation, the lower edges of the positioning roller 612 and the pressing roller 662 are located below the upper side of the front end support plate 61, and therefore a gap is prevented from occurring between the wheel surface and the upper side of the support plate 1, and a workpiece with a small thickness is clamped conveniently.
On the basis of the foregoing embodiment, the side pressure slider 661 is provided with side pressure guide holes and slidably sleeved on one side pressure guide rod 67 through the side pressure guide holes, and two ends of the side pressure guide rod 67 are fixed to the lower side of the front end support plate 61 corresponding to two ends of the strip-shaped sliding groove 611 through the fixing seats 671, so that when the side pressure cylinder 66 drives the pressure roller 662, the side pressure slider 661 moves along the side pressure guide rod 67 and the strip-shaped sliding groove 611, thereby effectively preventing the end of the cylinder rod 663 from sagging due to gravity, further preventing the pressure roller 662 from being untightened, and effectively improving the stability of the pressure roller 662.
On the basis of the foregoing embodiment, the electromagnetic valve for controlling the direction change between the two end interfaces of the side pressure cylinder 66 and the air source is a middle-sealed three-position five-way electromagnetic directional valve, and by using the middle-sealed three-position five-way electromagnetic directional valve as the electromagnetic valve for controlling the direction change of the side pressure cylinder 66, when the electromagnetic coils at the two ends of the middle-sealed three-position five-way electromagnetic directional valve are powered off, the valve core can automatically return to the middle position to cut off the air passage, and at this time, the middle-sealed three-position five-way electromagnetic directional valve is not ventilated, so that the two end interfaces of the side pressure cylinder 66 can be sealed, the side pressure cylinder 66 can be kept in the current state, so that in the process of clamping a workpiece, under the condition of power off or air off, the clamping state.
On the basis of the previous embodiment, the positioning roller 612 is mounted on the front end supporting plate 61 through a positioning shaft 615, the pressing roller 662 is mounted on the side pressing slider 661 through a pressing shaft 624, the positioning roller 612 and the pressing roller 662 are both bearings, specifically, a positioning hole is formed in the front end supporting plate 61 where the second embedded groove 614 is located, the lower part of the positioning shaft 615 is mounted in the positioning hole, then the bearing is mounted on the positioning shaft 615 to serve as the positioning roller 612, and the inner ring of the bearing is pressed through the positioning nut 616; similarly, a pressing screw hole is formed in the upper side of the side pressure sliding block 661, the lower end of the pressing shaft 664 is provided with an external thread matched with the pressing screw hole, the pressing shaft 664 is connected to the sliding block 661 through a thread connection, a bearing is installed on the pressing shaft 664 to serve as a pressing roller 662, an inner ring of the bearing is pressed through a pressing nut 665, the bearing serves as the positioning roller 612 and the pressing roller 662, the friction coefficient is low, the resistance of feeding in a clamping state can be reduced, and feeding is enabled to be smoother.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. Strip processing laser cutting machine is in including frame (1), setting laser cutting device (2) and controlling means (3) of frame (1) one end, its characterized in that: a guide rail (11) is arranged on the rack (1), a tail end clamping device (4) is arranged on the guide rail (11) through the guide rail (11), the tail end clamping device (4) is driven to move on the guide rail (11) through a feeding driving device (5), a front end clamping device (6) and a discharge hole (7) are arranged on the rack (1) below the laser cutting device (2), and a middle supporting device (8) is further arranged in the middle of the rack (1); the laser cutting device (2) is driven by a cutting driving device (21) to move in the horizontal direction and the vertical direction which are vertical to the guide rail (11); the tail end clamping device (4), the feeding driving device (5), the front end clamping device (6), the middle supporting device (8), the cutting driving device (21) and the laser cutting device (2) are all electrically connected with the control device (3).
2. The strip processing laser cutting machine according to claim 1, characterized in that: the tail end clamping device (4) comprises a tail end clamping bottom plate (41) matched with the guide rail (11) and a tail end clamping pressing rod (42) arranged on the upper side of the tail end clamping bottom plate (41), a tail end pressing air cylinder (43) is arranged on the tail end clamping bottom plate (41), an air cylinder rod of the tail end pressing air cylinder (43) is connected to the tail end clamping pressing rod (42), and the tail end clamping pressing rod (42) is driven to move downwards to press the tail end of the workpiece onto the tail end clamping bottom plate (41).
3. The strip processing laser cutting machine according to claim 1, characterized in that: the feeding driving device (5) comprises a driving motor (51) which is arranged on the tail end clamping device (4) in an inverted mode and a rack (52) which is parallel to the guide rail (11), and a driving gear (53) which is meshed with the rack (52) is arranged on an output shaft of the driving motor (51).
4. The strip processing laser cutting machine according to claim 1, characterized in that: the cutting driving device (21) comprises a portal frame (211) fixed at the end of the rack (1) and a driving frame (212) capable of translating along a horizontal beam of the portal frame (211), a horizontal lead screw (213) and a horizontal driving motor capable of driving the horizontal lead screw (213) to rotate are mounted on one side of the portal frame (211), a horizontal thread sleeve sliding block matched with the horizontal lead screw (213) is arranged on the driving frame (212), and the horizontal thread sleeve sliding block is mounted on the horizontal lead screw (213); still be equipped with perpendicular lead screw (214) and drive on drive frame (212) perpendicular lead screw (214) pivoted perpendicular driving motor (215), be equipped with the perpendicular silk covering slider with its adaptation on perpendicular lead screw (214), be connected with laser mounting panel (216) on the perpendicular silk covering slider, install laser cutting device (2) on laser mounting panel (216).
5. The strip processing laser cutting machine according to claim 4, characterized in that: laser cutting device (2) include laser cutting head (22) and laser generator, laser generator passes through optical fiber connection laser cutting head (22), laser cutting head (22) are installed on laser mounting panel (216), laser generator with controlling means (3) electricity is connected.
6. The strip processing laser cutting machine according to claim 1, characterized in that: the middle supporting device (8) comprises a middle fixed seat (81), a supporting frame (82) and a supporting roller (83), wherein the middle fixed seat (81), the supporting frame (82) and the supporting roller are fixedly arranged in the middle of the rack (1), and the supporting frame (82) is rotatably connected with the middle fixed seat (81) and can rotate around a horizontal axis; the supporting roller (83) is horizontally and rotatably arranged on the supporting frame (82); the supporting frame (82) is connected with a driving device (84) capable of driving the supporting frame to rotate around the horizontal axis, the supporting frame (82) can be kept fixed relative to the position of the middle fixing seat (81), and the supporting frame (82) can drive the supporting roller (83) to rotate around the horizontal axis synchronously so as to adjust the height of the supporting roller (83).
7. The strip processing laser cutting machine according to claim 1, characterized in that: still including preventing constantly stop device (9), prevent constantly stop device (9) including setting up suction hood (91) to taking material cutting end on laser cutting machine, suction hood (91) inboard is equipped with limit switch (92) and can triggers under the work piece drive that does not cut off limit switch (92) limiting plate (93).
8. The laser cutting machine for strip processing according to any one of claims 1 to 7, wherein: the front end clamping device (6) comprises a front end supporting plate (61) arranged on the rack (1), a positive pressure mechanism used for pressing the front end of the belt material on the front end supporting plate (61), and a side pressure mechanism used for pressing the front end of the belt material from two sides.
9. The strip processing laser cutting machine according to claim 8, characterized in that: malleation mechanism includes that the front end presses frame (62), the rotatable installation in connecting piece (63) is passed through to front end pressure frame (62) both sides frame (1) is last to press drive arrangement (64) drive it around through the preceding pressure that one end is connected connecting piece (63) are rotated and are compressed tightly and loosen the area material, the other end that the frame (62) was pressed to the front end is equipped with and arranges in compressing tightly (65) of front end backup pad (61) upside.
10. The strip processing laser cutting machine according to claim 8, characterized in that: the side pressing mechanism comprises a side pressing air cylinder (66) arranged on the lower side of the front end supporting plate (61), a strip-shaped sliding groove (611) is formed in the front end supporting plate (61), a positioning roller (612) is rotatably arranged at the end part of the front end supporting plate (61) in the same direction as the strip-shaped sliding groove (611), a side pressing sliding block (661) matched with the strip-shaped sliding groove is arranged in the strip-shaped sliding groove (611), a pressing roller (662) exposed out of the upper side of the front end supporting plate (61) is rotatably arranged at the upper end of the side pressing sliding block (661), and the lower end of the side pressing air cylinder is connected to the tail end of a cylinder rod (663) of.
CN201911258147.XA 2019-12-10 2019-12-10 Laser cutting machine for strip processing Pending CN111299855A (en)

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Application Number Priority Date Filing Date Title
CN201911258147.XA CN111299855A (en) 2019-12-10 2019-12-10 Laser cutting machine for strip processing

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Application Number Priority Date Filing Date Title
CN201911258147.XA CN111299855A (en) 2019-12-10 2019-12-10 Laser cutting machine for strip processing

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CN111299855A true CN111299855A (en) 2020-06-19

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CN114505582A (en) * 2021-11-01 2022-05-17 佛山汇百盛激光科技有限公司 Laser cutting welding equipment
CN115026506A (en) * 2022-08-10 2022-09-09 启东市春晨机械有限公司 Laser cutting machine for dehydrator shell

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CN114505582A (en) * 2021-11-01 2022-05-17 佛山汇百盛激光科技有限公司 Laser cutting welding equipment
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Application publication date: 20200619