CN112276380B - Laser cutting machine with exchange workbench - Google Patents
Laser cutting machine with exchange workbench Download PDFInfo
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- CN112276380B CN112276380B CN202011165727.7A CN202011165727A CN112276380B CN 112276380 B CN112276380 B CN 112276380B CN 202011165727 A CN202011165727 A CN 202011165727A CN 112276380 B CN112276380 B CN 112276380B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser cutting machine with an exchange workbench, which comprises a machine tool and the exchange workbench arranged on one side of the machine tool, wherein the exchange workbench comprises a rack, a first workbench, a second workbench and a driving device for driving the workbench to convert, the rack is arranged on one side of the laser cutting machine, the first workbench and the second workbench are both arranged on the rack in a sliding manner, the first workbench is positioned on the upper side of the second workbench, the driving device is arranged on the machine tool and comprises a servo motor and a chain transmission mechanism, the chain transmission mechanism comprises a driving chain wheel, a driven chain wheel and a chain supported between the driving chain wheel and the driven chain wheel, and the driving chain wheel is connected with an output shaft of the servo motor. The exchange workbench is provided with the two workbenches, the two workbenches are driven by the driving device to alternately enter the laser cutting machine, the time occupied by feeding and discharging can be avoided, and the processing efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a laser cutting machine with an exchange workbench.
Background
In the process of processing the plate materials, the laser cutting machine needs to unload and load materials by means of a traveling crane during processing, the time for loading and unloading materials is occupied in the process, and particularly, when the next plate material needs to be replaced after the last plate material is processed, more time is delayed, so that the overall processing efficiency is delayed.
Disclosure of Invention
The invention aims to provide a laser cutting machine with an exchange workbench to improve the processing efficiency of the laser cutting machine.
The technical scheme adopted by the invention is as follows:
a laser cutting machine with an exchange workbench comprises a machine tool and the exchange workbench arranged on one side of the machine tool, wherein the exchange workbench comprises a rack, a first workbench, a second workbench and a driving device for driving the workbench to convert, the rack is arranged on one side of the laser cutting machine, the first workbench and the second workbench are arranged on the rack in a sliding manner, the first workbench is positioned on the upper side of the second workbench, the driving device is arranged on the machine tool and comprises a servo motor and a chain transmission mechanism, the chain transmission mechanism comprises a driving chain wheel, a driven chain wheel and a chain supported between the driving chain wheel and the driven chain wheel, the driving chain wheel is connected with an output shaft of the servo motor, the first workbench is connected on an upper rotary surface of the chain, the second workbench is connected on a lower rotary surface of the chain, when one workbench is completely positioned on the laser cutting machine, the other table is located entirely on the gantry.
As a further optimization, one end of the machine tool, which is far away from the rack, is provided with an electromagnetic limiting device, the electromagnetic limiting device is arranged at one end of the laser cutting machine far away from the rack, the electromagnetic limiting device comprises a base and an upper electromagnetic adsorption device and a lower electromagnetic adsorption device which are arranged on the base, the two electromagnetic adsorption devices respectively correspond to the two work tables on the exchange work table, each electromagnetic adsorption component comprises an electromagnet, a first electromagnetic relay, a second relay and a trigger component, the electromagnet is connected with power supply equipment sequentially through the first electromagnetic relay and the second electromagnetic relay, a control circuit of the first electromagnetic relay is connected with a control system of the laser cutting machine, a control circuit of the second electromagnetic relay is connected with a punishment component, when the workbench moves to the electromagnetic adsorption device, the trigger assembly is pushed to enable the electromagnet to be in a power-on state; the working circuit of the first electromagnetic relay is in a normally closed state, and the working circuit of the second electromagnetic relay is in a normally open state.
As a further optimization, the trigger assembly of the invention comprises a sleeve, a trigger rod and a power-on contact, the trigger rod is inserted in the sleeve in a sliding manner, a spring is arranged between the sleeve and the trigger rod, the power-on contact comprises an active contact and a passive contact, the active contact is arranged at one end of the trigger rod far away from the workbench, the passive contact is arranged on the base through an installation assembly, the passive contact and the active contact are arranged oppositely, the installation assembly comprises an installation frame and a passive contact installation seat, the installation frame is fixedly arranged on the base, a long-strip-shaped hole along the sliding direction of the trigger rod is arranged on the installation frame, the passive contact installation seat is arranged in the long-strip-shaped hole of the installation frame in a sliding manner and is fixed through fixing nuts on two sides, and when the spring is in a natural state, the active contact and the passive contact are in a separated state; when the workbench pushes the trigger rod to move to be in contact with the electromagnet, the active contact and the passive contact are in a contact state; the active contact is a spring contact, and when the workbench does not touch the electromagnet, the active contact is already in contact with the passive contact.
As a further optimization, the exchange workbench is provided with a plate positioning device, the plate positioning device comprises a transverse positioning device and a longitudinal positioning device, the longitudinal positioning device comprises a lifting support, lifting support legs arranged on the lower side of the lifting support and a longitudinal adjusting assembly arranged on the upper side of the lifting support, the lifting support legs comprise a first lifting cylinder, a middle connecting piece and a second lifting cylinder, a cylinder seat of the first lifting cylinder is fixedly connected on a rack of the exchange workbench, a piston rod of the first lifting cylinder is fixedly connected with the middle connecting piece, a cylinder seat of the second lifting cylinder is fixedly arranged on the middle connecting piece, a piston rod of the second lifting cylinder is connected on the lifting support, the longitudinal adjusting assembly is provided with two groups, each group of longitudinal adjusting assemblies comprises a pair of oppositely arranged stop blocks and a first driving device respectively used for driving the stop blocks to move along the longitudinal direction, the transverse positioning device comprises two groups of transverse positioning assemblies which are respectively arranged on each exchange platform, and each group of transverse positioning assemblies comprises two opposite baffles and two groups of second driving devices which are used for driving the baffles to slide along the transverse direction.
As a further optimization, the first driving device of the present invention includes a first servo motor, a first lead screw and a second lead screw, the first servo motor is installed in the middle of the lifting bracket in the width direction, the first lead screw and the second lead screw are both connected to the output shaft of the first servo motor, the first lead screw and the second lead screw are respectively connected to both ends of the first servo motor, the stoppers are respectively screwed to the corresponding lead screws, guide rails are respectively disposed on the lifting bracket at the lower sides of the first lead screw and the second lead screw, the stoppers are slidably connected to the corresponding guide rails, and when the first servo motor rotates, paired stoppers move in opposite directions or in opposite directions.
As a further optimization, the second driving device of the present invention includes a second servo motor, a third lead screw and a fourth lead screw, the second servo motor is disposed in the middle of the length direction of the worktable, the third lead screw and the fourth lead screw are both connected to the output shaft of the second servo motor, the third lead screw and the fourth lead screw are respectively connected to two ends of the second servo motor, two ends of one of the baffles are respectively screwed to the third lead screws of the two sets of second driving devices, two ends of the other baffle are respectively screwed to the fourth lead screws of the two sets of second driving devices, and when the second servo motor rotates, the two baffles move in opposite directions or in opposite directions.
As a further optimization, the lifting support is provided with a plurality of supporting columns, the end parts of the supporting columns are provided with universal balls, when the lifting support is lifted, the supporting columns penetrate through the working surface, and the universal balls protrude out of the corresponding working surface.
As a further optimization, the machine tool comprises a machine tool body and a working assembly arranged on the machine tool body, wherein a longitudinal beam and a plurality of cross beams are arranged at the lower part of the machine tool body, a plurality of blanking areas are defined between the longitudinal beam and the transverse direction, an aggregate assembly is arranged in each blanking area, the aggregate assembly comprises a material guide bottom plate and a side wall plate connected between the material guide bottom plate and the cross beams, the inner side end of the material guide bottom plate is connected to the longitudinal beam, the outer side end of the material guide bottom plate extends to the outer side of the laser cutting machine, the inner side end of the material guide bottom plate is higher than the outer side end of the material guide bottom plate, a material collecting groove integrally formed with the material guide bottom plate is arranged at the outer side end of the material guide bottom plate, and the material collecting grooves of all the material guide bottom plates are connected into a whole.
As a further optimization, the longitudinal beam is a hollow square tube, a sectional type dust removing device corresponding to each blanking area is arranged on the square tube, one end of the square tube is sealed, the other end of the square tube is connected with a dust suction fan, the sectional type dust removing device comprises a shielding plate, a driving cylinder used for driving the shielding plate to move and a scrap isolating window arranged on the shielding plate, a first grid hole is formed in the side wall of the longitudinal beam, a second grid hole corresponding to the first grid hole is formed in the shielding plate, the scrap isolating window is arranged on the outer side of the second grid hole, and in the process that the driving cylinder drives the shielding plate to move, the second grid hole and the first grid hole are staggered and opposite to each other.
As a further optimization, the scrap isolation window comprises a box body and a filter grid arranged in the box body, wherein the front end face and the rear end face of the box body are both provided with openings, the filter grid comprises a first grid and a second grid, the first grid and the second grid respectively comprise a plurality of parallel angle irons, gaps are reserved between the adjacent angle irons, the angle irons of the first grid are perpendicular to the angle irons of the second grid, the lower part of the box body is horn-shaped, the bottom end of the box body is provided with an opening, the side wall of a longitudinal beam is fixedly provided with a wind shielding plate, and when the first grid hole is opposite to the second grid hole, the wind shielding plate completely shields the opening at the bottom of the box body; when the first grating holes and the second grating holes are staggered, the wind shielding plate and the bottom opening of the box body are staggered.
The invention has the following advantages:
1. the exchange workbench is provided with the two workbenches, the two workbenches are driven by the driving device to alternately enter the laser cutting machine, the time occupied by feeding and discharging can be avoided, and the processing efficiency is greatly improved;
2. the exchange workbench is provided with the plate positioning device, so that the plate can be positioned before being sent into the laser cutting machine, the positioning steps of the laser cutting machine are saved, and the exchange workbench is suitable for high-efficiency processing of batch plates;
3. the electromagnetic limiting device arranged on the exchange workbench can start the electromagnet to attract and fix the workbench when the workbench arrives, so that the limiting and fixing effects are achieved;
4. according to the invention, the inclined guide bottom plate is arranged, so that the scrap waste generated in the cutting process falls onto the guide bottom plate and can slide into the collecting groove along the guide bottom plate, and the collecting groove is positioned on the outer side of the lathe bed of the laser cutting machine, so that the collected scrap waste can be cleaned and cleaned uniformly;
5. according to the invention, the scrap isolation window is arranged in the sectional type dust removal device, so that the scraps with larger particles can be isolated in the smoke dust suction process, the probability of entering the scraps into the longitudinal beam is reduced, and the problem of difficulty in cleaning is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention (not including the sheet positioning device);
FIG. 3 is an enlarged schematic view at A in FIG. 1;
FIG. 4 is a schematic side view of an electromagnetic spacing device;
FIG. 5 is a schematic top view of an electromagnetic spacing device;
FIG. 6 is an enlarged schematic view at B of FIG. 5;
FIG. 7 is an electrical schematic of the electromagnetic spacing device;
FIG. 8 is a front view of the plate positioning device;
FIG. 9 is a schematic top view of the sheet positioning device;
FIG. 10 is an enlarged partial schematic view of the machine tool;
FIG. 11 is a schematic structural view of a collection assembly;
FIG. 12 is a schematic structural view of a staged dust collector;
FIG. 13 is a schematic longitudinal cross-sectional view of a debris isolation window;
fig. 14 is a schematic structural view of the shielding plate.
Wherein: 1. a machine tool, 2, a rack, 3, an electromagnetic limiting device, 4, a second workbench, 5, a first workbench, 6, a track, 7, a servo motor, 8, a driving sprocket, 9, a chain, 10, a driven sprocket, 11, a blocking frame, 12, a rubber block, 13, a second electromagnetic relay, 14, a control system, 15, a first electromagnetic relay, 16, a power supply device, 17, a first lifting cylinder, 18, a second lifting cylinder, 19, a lifting bracket, 20, a universal ball, 21, a baffle, 22, a third lead screw, 23, a second servo motor, 24, a fourth lead screw, 25, a block, 26, a first lead screw, 27, a guide slide rail, 28, a first servo motor, 29, a second lead screw, 30, a longitudinal beam, 31, a cross beam, 32, a segmented dust removal device, 33, a material collecting groove, 34, a protective cover, 35, an intermediate connecting piece, 36, a shielding plate, 37, and a waste window scrap isolating device, 38. the device comprises a material guide bottom plate, 39, a driving cylinder, 40, a wind shielding plate, 3-1, a base, 3-2, an electromagnet, 3-3, a rubber contact, 3-4, a spring, 3-5, a trigger rod, 3-6, a sleeve, 3-7, an active contact, 3-8, a passive contact, 3-9, a mounting frame, 3-10, a passive contact mounting seat, 3-11, a fixing nut, 13-1, a control circuit of a second electromagnetic relay, 13-2, a working circuit of the second electromagnetic relay, 15-1, a control circuit of a first electromagnetic relay, 15-2, a working circuit of the first electromagnetic relay, 36-1, a second grid hole, 37-1, a box body, 37-2, a first grid, 37-3 and a second grid.
Detailed Description
The present invention is further described in the following with reference to the drawings and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention, and the embodiments and the technical features of the embodiments can be combined with each other without conflict.
It is to be understood that the terms first, second, and the like in the description of the embodiments of the invention are used for distinguishing between the descriptions and not necessarily for describing a sequential or chronological order. The "plurality" in the embodiment of the present invention means two or more.
The term "and/or" in the embodiment of the present invention is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, B exists alone, and A and B exist at the same time. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
The embodiment provides a laser cutting machine with an exchange workbench, as shown in fig. 1, comprising a machine tool and an exchange workbench arranged on one side of the machine tool, as shown in fig. 2, the exchange workbench comprises a rack 2, a first workbench 5, a second workbench 4 and a driving device for driving the workbench to convert, the rack 2 is arranged on one side of the laser cutting machine 1, two layers of tracks 6 are arranged on the rack 2, the first workbench 5 and the second workbench 4 are both arranged on the rack 2 through the corresponding tracks 6 in a sliding manner, the tracks 6 extend onto the laser cutting machine 1, the first workbench 5 is positioned on the upper side of the second workbench 4, the driving device is arranged on the laser cutting machine 1, the driving device comprises a servo motor 7 and two sets of chain transmission mechanisms, the two sets of chain transmission mechanisms are respectively arranged on two sides of the laser cutting machine 1, the chain transmission mechanism comprises a driving chain wheel 8, a driven chain wheel 10 and a chain 9 supported between the driving chain wheel 8 and the driven chain wheel 10, the driving chain wheels 8 of the two groups of chain transmission mechanisms are connected through a first rotating shaft, the driven chain wheels 10 of the two groups of chain transmission mechanisms are connected through a second rotating shaft, the driving chain wheels 8 are connected with an output shaft of a servo motor 7, a first workbench 5 is connected to an upper revolution surface of the chain 9, a second workbench 4 is connected to a lower revolution surface of the chain 9, and when one workbench is completely positioned on the laser cutting machine 1, the other workbench is completely positioned on the rack 2.
As shown in fig. 3, a stopper frame 11 is arranged at one end of the rack far from the laser cutting machine in this embodiment, a rubber stopper 12 is arranged on the stopper frame 11, an electromagnetic limiting device 3 is arranged at one end of the laser cutting machine 1 far from the rack 2, as shown in fig. 4 and 5, the electromagnetic limiting device 3 includes a base 3-1 and two sets of electromagnetic adsorption components arranged on the base 3-1, the positions and heights of the two sets of electromagnetic adsorption devices respectively correspond to those of two sets of workbenches on the exchange workbench, each set of electromagnetic adsorption components includes an electromagnet 3-2, a first electromagnetic relay 15, a second electromagnetic relay 13 and a trigger component, the trigger component includes a sleeve 3-6, a trigger rod 3-5 and an energizing contact, the trigger rod 3-5 is slidably inserted into the sleeve 3-6, and a spring 3-4 is arranged between the sleeve 3-6 and the trigger rod 3-5, the electrifying contact comprises an active contact 3-7 and a passive contact 3-8, one end of the trigger rod 3-5 close to the workbench is provided with a rubber contact 3-3, the active contact 3-7 is arranged at one end of the trigger rod 3-5 far away from the workbench, as shown in figure 6, the passive contact 3-8 is arranged on the base 3-1 through a mounting component, the passive contact 3-8 is arranged opposite to the active contact 3-7, the mounting component comprises a mounting rack 3-9 and a passive contact mounting seat 3-10, the mounting rack 3-9 is fixedly arranged on the base 3-1, the mounting rack 3-9 is provided with a long strip hole along the sliding direction of the trigger rod 3-5, the passive contact mounting seat 3-10 is arranged in the long strip hole of the mounting rack 3-9 in a sliding manner, and is fixed by fixing nuts 3-11 on both sides. When the spring 3-4 is in a natural state, the active contact 3-7 and the passive contact 3-8 are in a separated state; when the workbench pushes the trigger rod 3-5 to move to be in contact with the electromagnet, the active contact 3-7 is in a contact state with the passive contact 3-8. As shown in fig. 7, the active contact 3-7 and the passive contact 3-8 are connected to the control circuit 13-1 of the second electromagnetic relay, the input terminal of the working circuit 13-2 of the second electromagnetic relay is connected to the power supply device 16, the output terminal of the working circuit 13-2 of the second electromagnetic relay is connected to the input terminal of the working circuit 15-2 of the first electromagnetic relay, the output terminal of the working circuit 15-2 of the first electromagnetic relay is connected to the electromagnet 3-2, the control circuit 15-1 of the first electromagnetic relay is connected to the control system 16 of the laser cutting machine, the working circuit 13-2 of the second electromagnetic relay is in a normally open state, and the working circuit 15-2 of the first electromagnetic relay is in a normally closed state. When the workbench is sent into the laser cutting machine, the corresponding trigger rod 3-5 is pushed, so that the active contact 3-7 corresponding to the trigger rod 3-5 is contacted with the passive contact 3-8, the working circuit 15-2 of the second electromagnetic relay is closed, the first electromagnetic relay 15 is in a normally closed state, further the power supply equipment supplies power to the electromagnet 3-2, and the electromagnet 3-2 is electrified to generate electromagnetic attraction; when the machining is finished and the workbench needs to be withdrawn, the control system 14 of the laser cutting machine controls the first electromagnetic relay 15 to enable the working circuit 15-2 of the first electromagnetic relay to be disconnected, the electromagnet 3-2 is powered off, and the workbench is released.
As shown in fig. 6, in order to conveniently turn on the electromagnet 3-2, the active contact 3-7 is a spring contact, when the workbench does not touch the electromagnet, the active contact 3-7 is already in contact with the passive contact 3-8, and the advance of turning on the electromagnet 3-2 is adjusted by adjusting the position of the passive contact 3-8.
In order to improve the processing efficiency of the plate, the plate is positioned before being sent into the laser cutting machine, and the plate is not required to be positioned by a laser head at each time, a plate positioning device is arranged in the rack 2 of the exchange workbench, as shown in fig. 8 and 9, the plate positioning device comprises a transverse positioning device and a longitudinal positioning device, the longitudinal positioning device comprises a lifting support 19, a lifting support leg arranged on the lower side of the lifting support 19 and a longitudinal adjusting component arranged on the upper side of the lifting support 19, the lifting support leg comprises a first lifting cylinder 17, an intermediate connecting piece and a second lifting cylinder 18, a cylinder seat of the first lifting cylinder 17 is fixedly connected to the rack 2 of the exchange workbench, a piston rod of the first lifting cylinder 17 is fixedly connected to the intermediate connecting piece, a cylinder seat of the second lifting cylinder 18 is fixedly arranged to the intermediate connecting piece, and a piston rod of the second lifting cylinder 18 is connected to the lifting support 19, the longitudinal adjusting assemblies are provided with two groups, each group of longitudinal adjusting assemblies comprises a pair of oppositely arranged stop blocks 25 and a first driving device which is used for driving the stop blocks 25 to move along the longitudinal direction respectively, each first driving device comprises a first servo motor 28, a first lead screw 26 and a second lead screw 29, the first servo motor 28 is installed in the middle of the lifting support 19 in the width direction, the first lead screw 26 and the second lead screw 29 are connected to an output shaft of the first servo motor 28 respectively, the first lead screw 26 and the second lead screw 29 are connected to two ends of the first servo motor 28 respectively, the stop blocks 25 are screwed on the first lead screw 26 and the second lead screw 29, guide slide rails 27 are arranged on the lifting support 19 at the lower sides of the first lead screw 26 and the second lead screw 29 respectively, the stop blocks 25 are connected with the corresponding guide slide rails 27 in a sliding manner, when the first servo motor 28 rotates, the pair of stoppers 25 are moved toward each other or away from each other. When the lifting bracket 19 is raised, the stop 25 protrudes from the gap between the supporting bars of the respective table above the supporting surface of the table. The transverse positioning device comprises two groups of transverse positioning components which are respectively arranged on each exchange platform, each group of transverse positioning components comprises two opposite baffles 21 and two groups of second driving devices which are used for driving the baffles 21 to slide along the transverse direction, each group of second driving devices comprises a second servo motor 23, a third screw rod 22 and a fourth screw rod 24, the second servo motor 23 is arranged in the middle of the length direction of the workbench, the third screw rod 22 and the fourth screw rod 24 are both connected on an output shaft of the second servo motor 23, the third screw rod 22 and the fourth screw rod 24 are respectively connected at two ends of the second servo motor 23, two ends of one baffle 21 are respectively screwed on the third screw rods 22 of the two groups of second driving devices, two ends of the other baffle 21 are respectively screwed on the fourth screw rods 24 of the two groups of second driving devices, when the second servo motor 23 rotates, the two baffles 21 are moved towards each other or vice versa.
This embodiment the lift support includes outer frame and a plurality of ribs of setting in the outer frame, be provided with a plurality of support columns on the rib, the tip of support column all is provided with universal ball 20, when first lifting cylinder 17 extends, lifting support 19 risees to first height, universal ball 20 is higher than the holding surface of first workstation 5, when first lifting cylinder 17 and second lifting cylinder 18 extend simultaneously, lifting support 19 risees to the second height, universal ball 20 is higher than the holding surface of second workstation 4, make things convenient for horizontal adjusting part and vertical adjusting part to promote the sheet material and remove.
The machine tool 1 of the laser cutting machine in this embodiment includes a machine tool body and a working assembly arranged on the machine tool body, the general working assembly includes a portal frame and a laser head, the portal frame is slidably arranged on the machine tool body, the laser head is slidably arranged on the portal frame, driving assemblies are arranged between the portal frame and the machine tool body and between the laser head and the portal frame, a longitudinal beam 30 and a plurality of cross beams 31 are arranged in the machine tool body, a plurality of blanking areas are enclosed between the longitudinal beam 30 and the cross beams 31, an aggregate assembly is arranged in each blanking area, as shown in fig. 10 and 11, the aggregate assembly includes a material guiding bottom plate 38 and a side wall plate connected between the material guiding bottom plate 38 and the cross beams 31, the inner side end of the material guiding bottom plate 38 is connected to the longitudinal beam 30, the outer side end of the material guiding bottom plate 38 extends to the outer side of the machine tool body of the laser cutting machine, the inner side end of the material guiding bottom plate 38 is higher than the outer side end of the material guiding bottom plate 38, the outer side end of the material guiding bottom plate 38 is provided with a material collecting groove 33 integrally formed therewith, the material collecting grooves 33 of all the material guide bottom plates 38 are connected into a whole, scrap waste generated in the machining process falls on the material guide bottom plates 38 of all the blanking areas, the material guide bottom plates 38 are made of stainless steel materials and subjected to polishing surface treatment, and the stainless steel materials falling on the material guide bottom plates 38 can slide down to the material collecting grooves 33 along the material guide bottom plates 38 due to self gravity, so that workers can clean the materials regularly.
In this embodiment, the longitudinal beam 30 is a hollow square tube, a sectional dust removing device corresponding to each blanking area is arranged on the square tube, one end of the square tube is sealed, the other end of the square tube is connected with a dust collecting fan, the dust collecting fan is connected with an air processing device, and the dust generated by cutting is processed and then discharged, the sectional dust removing device comprises a shielding plate 36, a driving cylinder 39 for driving the shielding plate 36 to move, and a waste chip isolating window 37 arranged on the shielding plate 36, a first grid hole is arranged on the side wall of the longitudinal beam 30, a second grid hole 36-1 corresponding to the first grid hole is arranged on the shielding plate 36, the first grid hole and the second grid hole 36-1 are both shown in fig. 14, the waste chip isolating window 37 is arranged outside the second grid hole 36-1, the driving cylinder 39 is arranged on the upper end face of the longitudinal beam 30, the side walls of the two sides of the longitudinal beam 30 are respectively provided with a first grating hole, each first grating hole is correspondingly provided with a baffle plate 36, and the two corresponding baffle plates 36 on the two sides of the longitudinal beam 30 are connected with the piston rod of the driving cylinder 39 through the intermediate piece 6. In the process that the driving cylinder 39 drives the shielding plate 36 to move, the second grid hole 36-1 is staggered and opposite to the first grid hole. The scrap isolation window 37 comprises a box body 37-1 and a filter grid arranged in the box body 37-1, the front end face and the rear end face of the box body 37-1 are both open, the filter grid comprises a first grid 37-2 and a second grid 37-3, the first grid 37-2 and the second grid 37-3 are arranged in parallel at intervals, as shown in fig. 12 and 13, the first grid 37-2 and the second grid 37-3 both comprise a plurality of parallel angle irons, a gap is reserved between adjacent angle irons, the angle irons of the first grid 37-2 are perpendicular to the angle irons of the second grid 37-3, the lower part of the box body 37-1 is horn-shaped, the bottom end of the box body 37-1 is open, a wind shielding plate 40 is fixedly arranged on the side wall of the longitudinal beam 30, the working position of the laser head is associated with a blanking area through a control system of a laser cutting machine, when the laser head moves to the blanking area, the driving cylinder of the blanking area drives the baffle to move, so that the second grid hole 36-1 on the baffle plate 36 is opposite to the first grid hole on the longitudinal beam 30, and at the moment, the wind shielding plate 40 completely shields the opening at the bottom of the box body 37-1, so that the wind pressure shared by the opening at the lower end of the box body can be reduced; when the laser head leaves the blanking area, the driving cylinder 39 drives the baffle plate 36 to make the first grid hole and the second grid hole 36-1 staggered, and the baffle plate 40 is staggered with the bottom opening of the box body 37-1, so that the waste scraps deposited on the lower part of the box body 37-1 fall onto the material guiding bottom plate 38 and fall into the material collecting groove 33.
In this embodiment, the longitudinal beams 30 and the transverse beams 31 are covered with inverted V-shaped guards 34 on the upper end surfaces, and the width of the opening of each guard 34 is not less than the width of the corresponding longitudinal beam 30 and transverse beam 31. The protective cover 34 is used for protecting the driving cylinder 39 and guiding the falling waste scraps to slide onto the material guiding bottom plate 38.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. The utility model provides a take change table's laser cutting machine which characterized in that: comprises a machine tool and an exchange workbench arranged on one side of the machine tool, wherein the exchange workbench comprises a rack, a first workbench, a second workbench and a driving device for driving the workbench to convert, the rack is arranged on one side of the laser cutting machine, the first workbench and the second workbench are both arranged on the rack in a sliding manner, the first workbench is positioned on the upper side of the second workbench, the driving device is arranged on the machine tool and comprises a servo motor and a chain transmission mechanism, the chain transmission mechanism comprises a driving chain wheel, a driven chain wheel and a chain supported between the driving chain wheel and the driven chain wheel, the driving chain wheel is connected with an output shaft of the servo motor, the first working table is connected on an upper revolution surface of the chain, the second working table is connected on a lower revolution surface of the chain, when one of the working tables is completely positioned on the laser cutting machine, the other working table is completely positioned on the rack;
the electromagnetic limiting device is arranged at one end, far away from the rack, of the machine tool and comprises a base and an upper electromagnetic adsorption device and a lower electromagnetic adsorption device which are arranged on the base, the two electromagnetic adsorption devices correspond to two working tables on the exchange working table respectively, each electromagnetic adsorption component comprises an electromagnet, a first electromagnetic relay, a second relay and a trigger component, the electromagnet is connected with power supply equipment sequentially through the first electromagnetic relay and the second electromagnetic relay, a control circuit of the first electromagnetic relay is connected with a control system of the laser cutting machine, a control circuit of the second electromagnetic relay is connected with the trigger component, and when the working table moves to the electromagnetic adsorption devices, the trigger component is pushed to enable the electromagnet to be in a power-on state; the working circuit of the first electromagnetic relay is in a normally closed state, and the working circuit of the second electromagnetic relay is in a normally open state;
the trigger assembly comprises a sleeve, a trigger rod and a power-on contact, the trigger rod is inserted in the sleeve in a sliding mode, a spring is arranged between the sleeve and the trigger rod, the power-on contact comprises an active contact and a passive contact, the active contact is arranged at one end, far away from the workbench, of the trigger rod, the passive contact is arranged on the base through an installation assembly, the passive contact is arranged opposite to the active contact, the installation assembly comprises an installation frame and a passive contact installation seat, the installation frame is fixedly arranged on the base, a long strip hole in the sliding direction of the trigger rod is formed in the installation frame, the passive contact installation seat is arranged in the long strip hole of the installation frame in a sliding mode and is fixed through fixing nuts on two sides, and when the spring is in a natural state, the active contact and the passive contact are separated; when the workbench pushes the trigger rod to move to be in contact with the electromagnet, the active contact and the passive contact are in a contact state; the active contact is a spring contact, and when the workbench does not touch the electromagnet, the active contact is already in contact with the passive contact.
2. The laser cutting machine with the exchange table according to claim 1, characterized in that: the exchange workbench is provided with a sheet positioning device, the sheet positioning device comprises a transverse positioning device and a longitudinal positioning device, the longitudinal positioning device comprises a lifting support, lifting support legs arranged on the lower side of the lifting support and a longitudinal adjusting component arranged on the upper side of the lifting support, the lifting support legs comprise a first lifting cylinder, a middle connecting piece and a second lifting cylinder, a cylinder seat of the first lifting cylinder is fixedly connected on a rack of the exchange workbench, a piston rod of the first lifting cylinder is fixedly connected with the middle connecting piece, a cylinder seat of the second lifting cylinder is fixedly arranged on the middle connecting piece, a piston rod of the second lifting cylinder is connected on the lifting support, the longitudinal adjusting component is provided with two groups, each group of longitudinal adjusting components comprises a pair of oppositely arranged check blocks and a first driving device respectively used for driving the check blocks to move along the longitudinal direction, the transverse positioning device comprises two groups of transverse positioning assemblies respectively arranged on each exchange platform, and each group of transverse positioning assemblies comprises two opposite baffles and two groups of second driving devices used for driving the baffles to slide along the transverse direction.
3. The laser cutting machine with the exchange table according to claim 2, characterized in that: the first driving device comprises a first servo motor, a first lead screw and a second lead screw, the first servo motor is installed in the middle of the width direction of the lifting support, the first lead screw and the second lead screw are connected to an output shaft of the first servo motor, the first lead screw and the second lead screw are connected to two ends of the first servo motor respectively, the stop blocks are connected to the corresponding lead screws in a threaded mode respectively, guide rails are arranged on the lower sides, located on the first lead screw and the second lead screw, of the lifting support, the stop blocks are connected with the corresponding guide rails in a sliding mode, and when the first servo motor rotates, the paired stop blocks move oppositely or move oppositely.
4. The laser cutting machine with the change table according to claim 3, wherein: the second driving device comprises a second servo motor, a third lead screw and a fourth lead screw, the second servo motor is arranged in the middle of the workbench in the length direction, the third lead screw and the fourth lead screw are connected to an output shaft of the second servo motor respectively, the third lead screw and the fourth lead screw are connected to two ends of the second servo motor respectively, two ends of one baffle are connected to the third lead screws of the two sets of second driving devices in a screwed mode respectively, two ends of the other baffle are connected to the fourth lead screws of the two sets of second driving devices in a screwed mode respectively, and when the second servo motor rotates, the two baffles move in opposite directions or move oppositely.
5. The laser cutting machine with the exchange table according to claim 2, characterized in that: the lifting support is provided with a plurality of supporting columns, universal balls are arranged at the end portions of the supporting columns, when the lifting support rises, the supporting columns penetrate through the working face, and the universal balls protrude out of the corresponding working face.
6. The laser cutting machine with the exchange table according to claim 1, characterized in that: the machine tool comprises a machine body and a working assembly arranged on the machine body, wherein a longitudinal beam and a plurality of cross beams are arranged on the lower portion of the machine body, a plurality of blanking areas are defined between the longitudinal beam and the transverse direction, each blanking area is internally provided with an aggregate assembly, the aggregate assembly comprises a material guide bottom plate and a side wall plate connected between the material guide bottom plate and the cross beams, the inner side end of the material guide bottom plate is connected to the longitudinal beam, the outer side end of the material guide bottom plate extends to the outer side of the laser cutting machine, the inner side end of the material guide bottom plate is higher than the outer side end of the material guide bottom plate, a material collecting groove integrally formed with the material guide bottom plate is arranged at the outer side end of the material guide bottom plate, and the material collecting grooves of all the material guide bottom plates are connected into a whole.
7. The laser cutting machine with the exchange table according to claim 6, characterized in that: the utility model discloses a dust collection device, including longeron, dust collection fan, sectional type dust collector, driving cylinder drives the in-process that the driving cylinder moved, and the second grid hole staggers and just right state mutually with first grid hole, and the setting is kept apart to the setting in the outside in second grid hole, and the setting is kept apart to the sweeps on the lateral wall of longeron, and the setting is kept apart to the second grid hole that the longeron is hollow square pipe, square pipe is last to be provided with the sectional type dust collector corresponding with every blanking district, and the one end of square pipe is sealed, and the other end of square pipe is connected with dust absorption fan, sectional type dust collector includes the shielding plate, is used for driving the driving cylinder that the shielding plate removed and setting up the sweeps on the shielding plate, be provided with the second grid hole on the shielding plate, the shielding plate hole staggers and just right state mutually.
8. The laser cutting machine with the exchange table according to claim 7, characterized in that: the scrap isolation window comprises a box body and a filtering grid arranged in the box body, the front end face and the rear end face of the box body are both provided with openings, the filtering grid comprises a first grid and a second grid, the first grid and the second grid respectively comprise a plurality of angle irons arranged in parallel, a gap is reserved between every two adjacent angle irons, the angle irons of the first grid are perpendicular to the angle irons of the second grid, the lower part of the box body is horn-shaped, the bottom end of the box body is provided with an opening, the side wall of the longitudinal beam is fixedly provided with a wind shielding plate, and when the first grid hole is opposite to the second grid hole, the wind shielding plate completely shields the opening at the bottom of the box body; when the first grid holes and the second grid holes are staggered, the wind shielding plate and the bottom opening of the box body are staggered.
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| CN202011165727.7A CN112276380B (en) | 2020-10-27 | 2020-10-27 | Laser cutting machine with exchange workbench |
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| CN202011165727.7A CN112276380B (en) | 2020-10-27 | 2020-10-27 | Laser cutting machine with exchange workbench |
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| CN113664446B (en) * | 2021-08-28 | 2023-04-28 | 海安上海交通大学智能装备研究院 | Alternating welding platform device |
| CN113857739A (en) * | 2021-09-29 | 2021-12-31 | 内蒙古特变电工能源装备有限公司 | Special door frame hole cutting machine for wind power tower cylinder manufacturing and cutting method |
| CN114799547B (en) * | 2022-04-02 | 2024-06-14 | 合肥四维数控设备有限责任公司 | Double-platform type laser cutting machine |
| CN114932327A (en) * | 2022-06-13 | 2022-08-23 | 沃得精机(中国)有限公司 | Laser cutting machine integral type workstation spacing fixing base device |
| CN117484216B (en) * | 2023-12-29 | 2024-03-26 | 综欣工业装备(潍坊)有限公司 | Exchange type workbench of horizontal machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011020150A (en) * | 2009-07-16 | 2011-02-03 | Amada Co Ltd | Dust collector of thermal cutting machine |
| CN102350715B (en) * | 2011-10-21 | 2013-07-31 | 王国强 | Feed pre-positioning method and device for molded plate |
| CN203062095U (en) * | 2012-09-20 | 2013-07-17 | 梅塞尔切割焊接(中国)有限公司 | Material frame positioning device of laser cutting machine |
| CN206263455U (en) * | 2016-12-12 | 2017-06-20 | 中山市诺克自动化设备有限公司 | A kind of double-workbench laser cutting machine |
| CN106862781B (en) * | 2017-04-24 | 2018-05-29 | 安徽艾克森机械设备有限公司 | A kind of laser cutting machine double change-table device |
| CN209867700U (en) * | 2019-05-09 | 2019-12-31 | 超快激光（天津）机械设备有限公司 | Cutting equipment with exchangeable workbench |
| CN210231942U (en) * | 2019-06-05 | 2020-04-03 | 东莞市力星激光科技有限公司 | Laser cutting machine of high power height platform |
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