CN112060360B - Numerical control stone cutting machine, cutting tool bit and control method thereof - Google Patents
Numerical control stone cutting machine, cutting tool bit and control method thereof Download PDFInfo
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- CN112060360B CN112060360B CN202010730893.0A CN202010730893A CN112060360B CN 112060360 B CN112060360 B CN 112060360B CN 202010730893 A CN202010730893 A CN 202010730893A CN 112060360 B CN112060360 B CN 112060360B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/044—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs the saw blade being movable on slide ways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/005—Devices for the automatic drive or the program control of the machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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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
Abstract
A numerical control stone cutter, a cutting tool bit and a control method thereof are provided, the stone cutter comprises a frame, a tool bit mounting frame arranged on the frame and a driving device for driving the tool bit mounting frame to act, the cutting tool bit comprises a cutting saw blade, a tool cover arranged on the tool bit mounting frame and used for mounting the cutting saw blade, a sucker arranged on the tool cover and a pneumatic control device connected with the sucker to control the work of the sucker, and the sucker comprises a plurality of adsorption ports arranged at intervals and a rubber ring arranged around the periphery of the adsorption ports; the pneumatic control device is respectively connected with the adsorption ports to respectively control the adsorption ports to work, and comprises an air source, a main air path connected with the air source, a plurality of negative pressure generation assemblies respectively in one-to-one correspondence with the adsorption ports and connected with the main air path, a negative pressure air path connected between the negative pressure generation assemblies and the adsorption ports, a negative pressure gauge arranged on the negative pressure air path and a controller connected with the negative pressure gauge, wherein the controller receives and processes data fed back by the negative pressure gauge to judge whether the stone is adsorbed by the sucker.
Description
Technical Field
The invention belongs to the field of stone cutters, and particularly relates to a numerical control stone cutter, a cutter head and a control method of the numerical control stone cutter.
Background
The stone cutter is widely applied to industries such as building and decoration, and is suitable for cutting various stones, building materials, granite, marble and the like, and the bridge type stone cutter is one of the most common stone cutters. At present, before a stone cutter is used for cutting a large stone plate, a camera above a machine table is generally required to automatically photograph the stone and transmit the stone to a computer, an operator watches an image in the computer and directly marks a defective part on the image; the computer will automatically arrange the optimal typesetting scheme and cutting scheme on the image according to the pattern arrangement combination on the large stone plate and the elimination of the flaw part, so as to ensure the high utilization rate of the whole stone. The general structure of the existing bridge type stone cutting machine is as follows: the automatic cutting machine comprises a base, a workbench, side frames, a cross beam, a longitudinal walking mechanism, a transverse walking mechanism, a lifting cutting mechanism, a cutting linkage seat, a cutting device, a C-axis rotation driving mechanism, an A-axis rotation driving mechanism and a PC industrial control operation box; however, the existing bridge-type stone cutting machine does not have the structure and function of a stone unit plate on a random moving workbench, when large stone plates are intelligently cut, the stone unit plate obstructing a cutting line cannot be moved away in time, the stone unit plate obstructing the cutting line is easy to damage, unnecessary waste is caused, and the stone cutting machine is to be further improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a cutting tool bit of a numerical control stone cutter and a control method thereof, and also aims to provide a numerical control stone cutter adopting the cutting tool bit.
The invention adopts the following technical scheme:
a cutting tool bit of a numerical control stone cutter comprises a rack, a tool bit mounting frame arranged on the rack and a driving device for driving the tool bit mounting frame to act, wherein the tool bit mounting frame comprises a cutting saw blade, a tool cover arranged on the tool bit mounting frame and used for mounting the cutting saw blade, a sucker arranged on the tool cover and a pneumatic control device connected with the sucker to control the sucker to work; the pneumatic control device is respectively connected with the adsorption ports to respectively control the operation of the adsorption ports, the pneumatic control device comprises an air source, a main air path connected with the air source, a plurality of negative pressure generation assemblies respectively in one-to-one correspondence with the adsorption ports are connected with the main air path, a negative pressure air path connected between the negative pressure generation assemblies and the adsorption ports, a negative pressure meter arranged on the negative pressure air path and a controller connected with the negative pressure meter, when the sucker works, the driving device controls the knife cover to move downwards so that the sucker is close to a stone material, when the sucker is close to the surface of the stone material, the negative pressure generation assemblies start to work, the negative pressure meter detects the negative pressure value of the negative pressure air path in real time and feeds back the negative pressure value to the controller, and the controller receives and processes data fed back by the negative pressure meter so as to judge whether the sucker adsorbs the stone material.
Furthermore, the negative pressure generating assembly comprises a first air path connected with the main air path, a vacuum generator arranged between the first air path and the negative pressure air path, and a first electromagnetic valve arranged on the first air path and connected with the controller to control the air source to enter the first air path.
The constant-pressure air source device further comprises a second air path connected between the main air path and the negative-pressure air path and a constant-pressure one-way valve arranged on the second air path, wherein a second electromagnetic valve connected with the controller and used for controlling the air source to enter the second air path is arranged on the main air path.
Furthermore, the casing is also provided with an air blowing opening, and the pneumatic assembly further comprises a third air path connected between the main air path and the air blowing opening and a third electromagnetic valve arranged on the main air path and connected with the controller to control the air source to enter the third air path.
Further, the plurality of adsorption ports are arranged at intervals in the case in such a manner that the diameters thereof increase in order.
Furthermore, the number of the adsorption ports is three, and the three adsorption ports comprise two main adsorption ports which are arranged at intervals and can independently work and an auxiliary adsorption port which is arranged between the two main adsorption ports and is matched with one or two main adsorption ports to work; the negative pressure gas circuit comprises a main negative pressure gas circuit connected between the negative pressure generating assembly and the main adsorption port and an auxiliary negative pressure gas circuit connected between the negative pressure generating assembly and the auxiliary adsorption port, and the negative pressure meter is arranged on the main negative pressure gas circuit.
Furthermore, a pressure regulating valve connected with a controller is arranged on the main air path.
Further, the controller is a PLC controller.
A control method for a cutting tool bit of a numerical control stone cutter comprises the steps that when a sucker works, a driving device controls a tool cover to move downwards to enable the sucker to be close to a stone material, when the sucker is close to the surface of the stone material, a negative pressure generating assembly starts to work, a negative pressure meter detects a negative pressure value of a negative pressure gas circuit in real time and feeds the negative pressure value back to a controller, the controller processes data fed back by the negative pressure meter and compares the data with a preset value, and when a processing result is equal to or larger than the preset value, the driving device controls the tool cover to move to drive the sucker to transfer the stone material; when the processing result is smaller than the preset value, the driving device controls the cutter cover to move downwards so that the suction disc adsorbs the stone.
A numerical control stone cutter comprises a rack, a workbench for placing stone, a cutter head mounting frame arranged on the rack and a cutter head arranged on the cutter head mounting frame as above.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are:
when the suction disc works, the driving device controls the cutter cover to move downwards to enable the suction disc to be close to the stone, when the suction disc is close to the surface of the stone, the negative pressure generating assembly starts to work, the negative pressure gauge detects the negative pressure value of the negative pressure gas circuit in real time and feeds back the negative pressure value to the controller, the controller receives and processes data fed back by the negative pressure gauge to judge whether the suction disc adsorbs the stone, the negative pressure gas circuit, the negative pressure gauge and the negative pressure generating assembly are arranged to be matched, and whether the suction disc completely adsorbs the stone is judged according to the negative pressure value fed back by the negative pressure gauge, the judgment mode is simple and high in accuracy, and the phenomenon that the stone drops in the transfer process due to the fact that the suction disc does not completely adsorb the stone is effectively prevented;
the sucker is arranged on the cutting tool head, the movement of the sucker can be simultaneously controlled by utilizing the multi-shaft driving assembly for controlling the movement of the cutting saw blade, and the sucker is not required to be provided with an independent driving assembly, so that the whole structure is simple and compact, and the control method is simple;
the pneumatic assembly comprises a second air path, a constant-pressure one-way valve and a second electromagnetic valve, when the suction disc works, after the stone is transferred to a designated position, the controller controls the second electromagnetic valve to work, so that a positive-pressure air source enters the adsorption port through the second air path to break the vacuum state of the adsorption port, the suction disc is separated from the cut stone, and the stone transfer is completed;
the pneumatic assembly also comprises a third air path and a third electromagnetic valve, when the sucker works, the controller controls the third electromagnetic valve to work, so that a positive pressure air source entering the third air path blows to the surface of the stone through the air blowing port, impurities on the surface of the stone are removed, and smooth transfer of the stone is guaranteed;
the plurality of adsorption ports are arranged, the pneumatic assembly is respectively connected with the plurality of adsorption ports to respectively control the plurality of adsorption ports to work, one or more adsorption ports can be reasonably selected according to the stones with different specifications to adsorb the stones during working, the waste of energy is reduced, and when one adsorption port breaks down, the work of the rest adsorption ports is not influenced;
a plurality of absorption mouths increase in proper order with the bore and arrange at the casing at the interval, and the sucking disc during operation can select the absorption mouth absorption stone material that the bore is suitable to select the stone material according to the specification of stone material, reduces the waste of the energy.
Drawings
FIG. 1 is a first schematic view of a cutting tip;
FIG. 2 is a second schematic view of the cutting head;
FIG. 3 is a third schematic view of a cutting tip;
FIG. 4 is a first schematic structural diagram of a five-axis numerical control stone cutting machine;
FIG. 5 is a schematic structural diagram II of a five-axis numerical control stone cutting machine;
FIG. 6 is a schematic structural diagram III of a five-axis numerical control stone cutting machine;
FIG. 7 is a schematic structural view of a cross beam;
FIG. 8 is a schematic view of a frame;
FIG. 9 is a first schematic view of the tool bit mounting bracket;
FIG. 10 is a second schematic view of the tool bit mounting bracket;
FIG. 11 is a first schematic structural view of the rotating frame;
FIG. 12 is a second schematic structural view of the rotating frame;
FIG. 13 is a third schematic structural view of the rotary frame;
FIG. 14 is a fourth schematic structural view of the rotary frame;
FIG. 15 is a schematic structural view of a pneumatic assembly;
in the figure, 1-a rack, 2-a workbench, 3-a tool bit mounting rack, 4-a first driving component, 5-a second driving component, 6-a lifting driving component, 7-a vertical driving component, 8-a cutting tool bit, 9-a horizontal driving component, 0-a controller, 11-a base, 12-a cross beam, 31-a bottom frame, 32-a lifting frame, 33-a rotating frame, 41-a first rack, 42-a first slide rail, 43-a first slide seat, 44-a first servo motor, 45-a first speed reducer, 46-a first gear, 51-a second rack, 52-a second slide rail, 53-a second slide seat, 54-a second servo motor, 55-a second speed reducer, 56-a second gear, 61-a lead screw nut pair, 62-lifting servo motor, 63-lifting gear wheel, 64-lifting pinion, 65-belt, 71-vertical servo motor, 72-lifting gear motor, 81-knife cover, 82-saw blade motor, 83-sucker, 831-shell, 832-adsorption port, 8321-main adsorption port, 8322-auxiliary adsorption port, 833-rubber ring, 834-air blowing port, 84-pneumatic control device, 841-main air path, 842-negative pressure generating component, 8421-first air path, 8422-vacuum generator, 8423-first electromagnetic valve, 843-negative pressure air path, 8431-main negative pressure air path, 8432-auxiliary negative pressure air path, 844-negative pressure meter, 845-second air path, 846-constant pressure one-way valve, 847-third air path, 92-horizontal speed reducer, 93-rotating frame.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 15, the five-axis numerical control stone cutting machine comprises a frame 1, a workbench 2, a cutter head mounting frame 3, a cutting cutter head 8 and a driving device.
The frame 1 comprises two bases 11 which are oppositely arranged and a cross beam 12 which can move back and forth and is arranged between the two bases 11.
The working table 2 is arranged between the two bases 11 and used for placing stones.
The cutter head mounting frame 3 is arranged on the cross beam 12 and used for mounting the cutting cutter head 8 and comprises a bottom frame 31 which can be arranged on the cross beam 12 in a left-right moving mode, a lifting frame 32 which can be arranged on the bottom frame 31 in a vertical moving mode and a rotating frame 33 which is arranged on the lifting frame 32 and can rotate around a vertical axis.
The driving device is used for driving the tool bit mounting frame 3 to move and comprises a first driving assembly 4, a second driving assembly 5, a lifting driving assembly 6, a vertical driving assembly 7 and a horizontal driving assembly 9.
The first driving assembly 4 is arranged between the cross beam 12 and the base 11, is used for driving the cross beam 12 to move back and forth, and comprises a first rack 41 arranged on the top surface of the base 11 and extending along the length direction of the base, a first slide rail 42 arranged on the top surface of the base 11 and opposite to the first rack 41, a first slide seat 43 arranged at the bottom of the cross beam 12 and matched with the first slide rail 42, a first servo motor 44 arranged on the cross beam 12, a first speed reducer 45 connected with an output shaft of the first servo motor 44, and a first gear 46 connected with an output shaft of the first speed reducer 45 and matched with the first rack 41, the cross beam 12 is driven to move back and forth by the mutual matching of the components, and particularly, the gear and the rack, and the sliding seat and the sliding rail are matched with the motor to realize the movement of the parts, which is a common driving mode in the field of numerical control machinery, and the specific working principle of the driving mode is not further described.
The second driving assembly 5 is arranged between the chassis 31 and the cross beam 12, and is used for driving the chassis 31 to move back and forth left and right, and comprises a second rack 51 arranged on the cross beam 12 and extending along the length direction of the cross beam, two second slide rails 52 arranged on the cross beam 12 and positioned at two sides of the second rack 51, two second slide seats 53 arranged at the bottom of the chassis 31 and respectively matched with the two second slide rails 52, a second servo motor 54 arranged on the chassis 31, a second speed reducer 55 connected with an output shaft of the second servo motor 54, and a second gear 56 connected with an output shaft of the second speed reducer 55 and matched with the second rack 51, through mutually supporting between each part to round trip movement about the drive chassis, it is the commonly used drive mode in the digit control machinery field specifically, through gear and rack, slide and slide rail cooperation motor with realizing that the part removes, and this is not repeated further to its concrete theory of operation.
The lifting driving assembly 6 is arranged between the lifting frame 32 and the base frame 31, and is used for driving the lifting frame 32 to move up and down back and forth, and comprises a screw rod nut pair 61 arranged between the lifting frame 32 and the base frame 31, a lifting servo motor 62 arranged on the lifting frame 32, a lifting pinion 63 connected with an output shaft of the lifting servo motor 62, a lifting gearwheel 64 arranged on the screw rod nut 61 and a belt 65 arranged between the lifting gearwheel 64 and the lifting pinion 63, and through the matching among the components, the lifting frame 32 is driven to move up and down back and forth, and the lifting frame 32 is specific, and through the screw rod nut pair, the gear and the belt matching motor are driven modes commonly used in the field of numerical control machinery in order to realize the up and down back and forth movement of the components, and further description is not needed on the specific working principle.
The vertical driving assembly 7 is arranged between the lifting frame 32 and the rotating frame 33 and used for driving the rotating frame 33 to rotate +/-180 degrees around a vertical axis, and comprises a vertical servo motor 71 arranged on the lifting frame 32 and a vertical speed reducer 72 connected with an output shaft of the vertical servo motor 71, wherein the rotating frame 33 is connected with an output shaft of the vertical speed reducer 72 and is matched with the vertical speed reducer 72 through the vertical servo motor 71 to drive the rotating frame 33 to rotate +/-180 degrees around the vertical axis.
The cutting head 8 is mounted on the rotating frame 33 and can be used for cutting stone and transferring stone, and comprises a cutting saw blade, a blade cover 81 for mounting the cutting saw blade, a saw blade motor 82 arranged on the blade cover 81 and used for driving the cutting saw blade to work, two suckers 83 symmetrically arranged on two sides of the blade cover 81, and a pneumatic control device 84 connected with the two suckers 83 to control the two suckers 83 to work, wherein the suckers 83 are matched with the pneumatic control device 84 and used for transferring the cut stone.
The suction cup 83 comprises a housing 831 connected with the knife cover 81, a plurality of absorption ports 832 arranged on the housing 831 at intervals, a rubber ring 833 arranged around the absorption ports 832 and protruding outwards, and a plurality of air blowing ports 834 obliquely arranged on the housing 831, when the cutting saw blade is in a working state, the working surface of the cutting saw blade is opposite to the workbench 2, and the plane of the absorption ports 832 is vertical to the table surface of the workbench 2; when the suction cup 83 is in a working state, the plurality of suction ports 832 are opposite to the workbench 2, the non-working surface of the cutting saw blade is opposite to the workbench 2, the lower bottom surface of the knife cover 81 is higher than the plurality of suction ports 832, and the air from the air blowing port 834 is opposite to the workbench 2; specifically, the plurality of adsorption ports 832 on the two housings 831 are symmetrically arranged, the plurality of adsorption ports 832 are sequentially arranged on the housings 831 at intervals in an increasing order of the caliber, when the suction cup 83 works, the adsorption ports 832 with a proper caliber can be selected to adsorb the stone to transfer the stone according to the specification of the stone, further, three adsorption ports 832 are arranged on each housing 831, and each suction cup comprises two main adsorption ports 8321 which are arranged at intervals and can work independently and an auxiliary adsorption port 8322 which is arranged between the two main adsorption ports 8321 and works in cooperation with one or two main adsorption ports 8321, when the suction cup 83 works, one main adsorption port 8321 of the suction cup 83 can be selected or one main adsorption port 8321 can be selected to work in cooperation with the auxiliary adsorption port 8322 or all adsorption ports 832 of one housing 831 can be selected according to the specification of the stone to complete the transfer of the stone.
The pneumatic control device 84 is respectively connected with and controls the plurality of adsorption ports 832 and the plurality of blowing ports 834 to work, and the pneumatic control device 84 comprises an air source, a main air path 841, a plurality of negative pressure generating assemblies 842, a negative pressure air path 843, a negative pressure meter 844, a controller 0, a plurality of second air paths 845, a plurality of constant pressure check valves 846, a second electromagnetic valve 8412, a plurality of third air paths 847 and a plurality of third electromagnetic valves 8413.
The air source is a positive pressure air source.
The main gas path 841 is connected to a gas source and is provided with a pressure regulating valve 8411 connected to the controller 0.
The plurality of negative pressure generating assemblies 842 are respectively connected with the main air path 841, correspond to the plurality of adsorption ports 832 one by one, and include a first air path 8421 connected with the main air path 841, a vacuum generator 8422 connected with the first air path 8421, and a first electromagnetic valve 8423 arranged on the first air path 8421 and connected with the controller 0 to control the air source to enter the first air path 8421, wherein the controller 0 controls the plurality of first electromagnetic valves 8423 to work according to actual work requirements so as to control the corresponding adsorption ports 832 to work, specifically, the vacuum generator 8422 converts the positive pressure air source entering the first air path 8421 into a negative pressure air source, and the vacuum generator 8422 is specifically a negative pressure generating device in the numerical control field, which is not further described in detail for the specific structure and working principle thereof.
The negative pressure gas circuit 843 is connected between the vacuum generator 8422 and the adsorption port 832, and a negative pressure is generated between the negative pressure gas circuit 843 and the adsorption port 832 through the vacuum generator 8422 so that the suction cup 83 can adsorb the stone material, and specifically, the negative pressure gas circuit 843 includes a main negative pressure gas circuit 8431 connected between a main adsorption port 8321 and the vacuum generator 8422 and an auxiliary negative pressure gas circuit 8432 connected between an auxiliary adsorption port 8322 and the vacuum generator 8422.
The negative pressure gauge 844 is arranged on the main negative pressure air path 8431 and connected with the controller 0, the negative pressure value of the main negative pressure air path 8431 is detected in real time and fed back to the controller 0, in the application, the auxiliary adsorption port 8322 needs to work in cooperation with the main adsorption port 8321, so the auxiliary negative pressure air path 8432 connected between the auxiliary adsorption port 8322 and the main adsorption port 8321 does not need to be provided with the negative pressure gauge 844, the cost expenditure of equipment is reduced, and particularly, the controller 0 can judge the working state of the vacuum generator 8422 according to the negative pressure value fed back by the negative pressure gauge 844 to judge whether the vacuum generator 8422 is damaged.
The second air passages 845 correspond to the adsorption ports 832 one by one, are connected between the adsorption ports 832 and the main air passage 841, and are used for guiding the positive pressure air source into the negative pressure air passage 843; the plurality of constant-pressure one-way valves 846 are respectively arranged on the plurality of second air paths 845 and connected with the controller 0; the second electromagnetic valve 8412 is arranged on the main gas path 841 and connected with the controller 0 to control whether the gas source enters the second gas path 845 or not, when the suction cup 83 works, the gas source enters the vacuum generator 8422 to generate negative pressure in the negative pressure gas path 843, so that the suction cup 83 adsorbs the stone material to transfer the cut stone material to a designated position, after the stone material is transferred to the designated position, the controller 0 controls the second electromagnetic valve 8412 to work, so that the positive pressure gas source enters the negative pressure gas path 843 through the second gas path 845, so as to break the vacuum state in the negative pressure gas path 843, so that the suction cup 83 is separated from the cut stone material, and the transfer of the stone material is completed.
The third air path 847 is connected with a plurality of air blowing openings 834 and is connected between the main air path 841 and the air blowing openings 834; the third solenoid valve 8413 is arranged on the main gas path 841 and connected with the controller 0 to control whether a gas source enters the third gas path 847; when the suction cup 83 works, the controller 0 controls the third electromagnetic valve 8413 to work, so that a positive pressure gas source entering the third gas path 847 blows towards the surface of the stone through the gas blowing opening 834, and impurities such as accumulated water and slurry on the surface of the stone are removed, so that the stone is smoothly transferred.
The horizontal driving assembly 9 is arranged on the rotating frame 33, drives the cutting head 8 to rotate by 0-90 degrees around a horizontal axis, when the cutting saw blade works, the working surface of the cutting saw blade is opposite to the workbench 2, and the plane of the plurality of adsorption ports 832 is vertical to the table surface of the workbench 2; when the suction cup 83 works, the horizontal driving assembly 9 drives the cutting head 8 to rotate, so that the adsorption port 832 is opposite to the workbench 2 and the non-working surface of the cutting saw blade is opposite to the workbench, specifically, the horizontal driving assembly 9 comprises a horizontal servo motor 91 arranged on the rotating frame 33, a horizontal speed reducer 92 connected with the horizontal servo motor 91 and a rotating frame 93 connected with the horizontal speed reducer 92, the cutting head 8 is installed on the rotating frame 93, and the rotating frame 93 is driven to rotate by the horizontal servo motor 91 so as to switch the working modes of the suction cup 83 and the cutting saw blade.
The control method of the cutting tip 8 is specifically as follows: when the suction cup 83 works, the lifting driving assembly 6 drives the lifting frame 32 to move downwards to drive the cutter cover 81 to move downwards so that the suction cup 83 is close to the stone, when the suction cup 83 is close to the surface of the stone, the controller 0 controls the first electromagnetic valve 8423 to work to enable the positive pressure gas source to enter the vacuum generator 8422 so that the negative pressure gas circuit 843 generates negative pressure and controls the lifting driving assembly 6 to reduce the descending speed of the lifting frame 32, the negative pressure meter 844 detects the negative pressure value of the negative pressure gas circuit 843 in real time and feeds the negative pressure value back to the controller 0, the controller 0 processes data fed back by the negative pressure meter 844 and compares the data with a preset value, and when the processing result is equal to or greater than the preset value, the driving device controls the cutter head mounting frame 3 to move so as to drive the suction cup 83 to transfer the stone; when the processing result is smaller than the preset value, the lifting driving assembly 6 controls the lifting frame 32 to move downwards continuously so that the suction cups 83 can absorb the stone; through setting up negative pressure gas circuit 843, negative pressure table 844 and the cooperation of negative pressure generation subassembly 842, judge whether the sucking disc 83 adsorbs the stone material completely with the negative pressure value of negative pressure table 844 feedback, judge that the mode is simple and the degree of accuracy is high, effectively prevent because of the sucking disc 83 does not adsorb the stone material completely and cause the production of the phenomenon that the stone material dropped in the transfer process.
This application is through setting up sucking disc 83 on cutter head 8, and the removal that utilizes the multiaxis drive assembly that the control cutting saw bit removed also can the simultaneous control sucking disc 83, and overall structure is simple, compact, control method is simple, and through the setting mode of injecing sucking disc 83 and cutting saw bit, prevents that sucking disc 83 from influencing the work of cutting saw bit, guarantees cutter head and sucking disc 83's work.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.
Claims (10)
1. The utility model provides a cutting tool bit of numerical control stonecutter, stonecutter include the frame, set up the drive arrangement of the tool bit mounting bracket action in the frame and drive tool bit mounting bracket, its characterized in that: the pneumatic suction device comprises a cutting saw blade, a knife cover arranged on a knife head mounting frame and used for mounting the cutting saw blade, a suction disc arranged on the knife cover and a pneumatic control device connected with the suction disc to control the suction disc to work, wherein the suction disc comprises a plurality of suction ports arranged at intervals and a rubber ring arranged around the periphery of the suction ports; the pneumatic control device is respectively connected with the plurality of adsorption ports to respectively control the plurality of adsorption ports to work and comprises an air source, a main air path connected with the air source, a plurality of negative pressure generating assemblies connected with the main air path and respectively corresponding to the plurality of adsorption ports one by one, a negative pressure air path connected between the negative pressure generating assemblies and the adsorption ports, a negative pressure meter arranged on the negative pressure air path and a controller connected with the negative pressure meter, wherein when the sucker works, the driving device controls the knife cover to move downwards so that the sucker is close to the stone, when the sucker is close to the surface of the stone, the negative pressure generating assemblies start to work, the negative pressure meter detects the negative pressure value of the negative pressure air path in real time and feeds back the negative pressure value to the controller, and the controller receives and processes data fed back by the negative pressure meter so as to judge whether the sucker adsorbs the stone;
when the cutting saw blade is in a working state, the working surface of the cutting saw blade is opposite to the workbench, and the plane where the plurality of adsorption ports are located is vertical to the table surface of the workbench; when the sucker is in a working state, the plurality of adsorption ports are opposite to the workbench, the non-working surface of the cutting saw blade is opposite to the workbench, and the lower bottom surface of the knife cover is higher than the plurality of adsorption ports.
2. A cutting head for a numerically controlled stone cutter as defined in claim 1, wherein: the negative pressure generating assembly comprises a first air path connected with the main air path, a vacuum generator arranged between the first air path and the negative pressure air path and a first electromagnetic valve arranged on the first air path and connected with the controller to control the air source to enter the first air path.
3. A cutting head for a numerically controlled stone cutter as defined in claim 1, wherein: the constant-pressure air source device is characterized by further comprising a second air path connected between the main air path and the negative-pressure air path and a constant-pressure one-way valve arranged on the second air path, wherein a second electromagnetic valve connected with the controller and used for controlling the air source to enter the second air path is arranged on the main air path.
4. A cutting head for a numerically controlled stone cutter as defined in claim 1, wherein: the sucking disc comprises a shell connected with the knife cover, an air blowing opening is further formed in the shell, the pneumatic control device further comprises a third air path connected between the main air path and the air blowing opening and a third electromagnetic valve arranged on the main air path and connected with the controller to control an air source to enter the third air path.
5. The cutting head of a numerically controlled stone cutting machine as claimed in claim 4, wherein: the plurality of adsorption ports are arranged on the shell at intervals in the order of increasing aperture.
6. A cutting head for a numerically controlled stone cutter as defined in claim 5, wherein: the adsorption ports are three and comprise two main adsorption ports which are arranged at intervals and can work independently and an auxiliary adsorption port which is arranged between the two main adsorption ports and works in cooperation with one or two main adsorption ports; the negative pressure gas circuit comprises a main negative pressure gas circuit connected between the negative pressure generating assembly and the main adsorption port and an auxiliary negative pressure gas circuit connected between the negative pressure generating assembly and the auxiliary adsorption port, and the negative pressure meter is arranged on the main negative pressure gas circuit.
7. A cutting head for a numerically controlled stone cutter as defined in claim 1, wherein: and the main air path is provided with a pressure regulating valve connected with the controller.
8. A cutting head for a numerically controlled stone cutter as defined in claim 1, wherein: the controller is a PLC controller.
9. A method of controlling a cutting head of a numerically controlled stone cutter as claimed in any one of claims 1 to 8, wherein: when the sucker works, the driving device controls the knife cover to move downwards to enable the sucker to be close to the stone, when the sucker is close to the surface of the stone, the negative pressure generating assembly starts to work, the negative pressure meter detects the negative pressure value of the negative pressure gas circuit in real time and feeds the negative pressure value back to the controller, the controller processes data fed back by the negative pressure meter and compares the data with a preset value, and when the processing result is equal to or greater than the preset value, the driving device controls the knife cover to move to drive the sucker to transfer the stone; when the processing result is smaller than the preset value, the driving device controls the cutter cover to move downwards so that the suction disc adsorbs the stone.
10. The utility model provides a numerical control stone cutter which characterized in that: comprising a frame, a working table for placing stone material, a cutter head mounting frame arranged on the frame and a cutting cutter head according to any one of claims 1 to 8 arranged on the cutter head mounting frame.
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| CN202010730893.0A CN112060360B (en) | 2020-07-27 | 2020-07-27 | Numerical control stone cutting machine, cutting tool bit and control method thereof |
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| CN202010730893.0A CN112060360B (en) | 2020-07-27 | 2020-07-27 | Numerical control stone cutting machine, cutting tool bit and control method thereof |
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| CN112776184A (en) * | 2020-12-31 | 2021-05-11 | 泉州黑石科技有限公司 | Automatic change plate cutting machine |
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