CN115570637A - Four-handpiece high-speed numerical control drilling center and control method thereof - Google Patents
Four-handpiece high-speed numerical control drilling center and control method thereof Download PDFInfo
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- CN115570637A CN115570637A CN202211248993.5A CN202211248993A CN115570637A CN 115570637 A CN115570637 A CN 115570637A CN 202211248993 A CN202211248993 A CN 202211248993A CN 115570637 A CN115570637 A CN 115570637A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C9/00—Multi-purpose machines; Universal machines; Equipment therefor
- B27C9/04—Multi-purpose machines; Universal machines; Equipment therefor with a plurality of working spindles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
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Abstract
The invention relates to a four-handpiece high-speed numerical control drilling center which comprises a motion control shaft clamp, an EtherCAT bus connected with the motion control shaft clamp, a servo control unit, a handpiece control unit, a material clamping control unit and a human-computer interaction interface unit, wherein the servo control unit, the handpiece control unit, the material clamping control unit and the human-computer interaction interface unit are connected with the EtherCAT bus in a bidirectional control and parallel mode. The machine head control unit comprises a milling device, a drilling device and a drilling tracking pressing mechanism; the machine head control unit comprises an upper left machine head control unit, an upper right machine head control unit, a lower left machine head control unit and a lower right machine head control unit. The plate placing and processing machine further comprises a frame, a working platform used for placing and processing plates is arranged on the frame, an upper left machine head control unit and an upper right machine head control unit are arranged above the working platform, and a lower left machine head control unit and a lower right machine head control unit are arranged below the working platform. The invention also relates to a control method based on the four-handpiece high-speed numerical control drilling center, which is simple to operate and high in machining efficiency and precision.
Description
Technical Field
The invention relates to the technical field of plate processing, in particular to a four-handpiece high-speed numerical control drilling center and a control method thereof.
Background
In the technical field of wood working machinery, the working procedures of slotting, drilling, milling and the like of wood boards are often involved. In the prior art, a wood six-face drilling machining center capable of performing six-face drilling and two-face milling on wood is also gradually applied. The mainstream six-surface numerical control drilling machining center in the market at present only has a single lower drilling machine head, when through hole, back hole and board drilling technologies are adopted, the moving frequency of the lower drilling machine head is frequent, the stroke is large, the cooperative operation advantages of the upper drilling machine head and the lower drilling machine head are limited, the production machining efficiency and the machining precision are seriously influenced, the flexible advantages in the aspect of mutually matching and drilling the upper drilling machine head and the lower drilling machine head are limited, in addition, the number of drill rods of the lower drilling machine head is small, the defect that a cutter needs to be frequently replaced under the condition of more types of back holes exists, and the labor intensity of machine operators is increased.
Disclosure of Invention
Therefore, in order to solve the problems, a four-machine-head high-speed numerical control drilling center and a control method thereof are needed, an upper machine head and a lower machine head are respectively adopted, the problem that a single machine head moves frequently is effectively avoided, the machining efficiency and the machining precision are improved, and meanwhile, the labor intensity of machine operators can be effectively reduced.
The technical scheme is as follows:
on one hand, the four-handpiece high-speed numerical control drilling center comprises a motion control shaft clamp, an EtherCAT bus connected with the motion control shaft clamp, a servo control unit, a handpiece control unit, a material clamping control unit and a human-computer interaction interface unit, wherein the servo control unit is connected with the EtherCAT bus in a bidirectional control and parallel mode and used for providing driving power, the handpiece control unit is used for plate processing, the material clamping control unit is used for clamping the plate, and the human-computer interaction interface unit is used for data transmission;
the machine head control unit comprises a milling device, a drilling device and a drilling tracking pressing mechanism; the machine head control unit comprises an upper left machine head control unit, an upper right machine head control unit, a lower left machine head control unit and a lower right machine head control unit;
the plate placing machine is characterized by further comprising a frame, wherein a working platform used for placing and processing plates is arranged on the frame, the left machine head control unit is arranged above the working platform, the right machine head control unit is arranged below the working platform, and the left machine head control unit is arranged below the right machine head control unit.
The technical solution is further explained below:
in one embodiment, the servo control unit comprises a plurality of feeding servo systems, each feeding servo system comprises a servo driving device, a servo motor, a position detection device, a speed detection device, an abnormality detection device, a position feedback module, a speed feedback module and an abnormality feedback module, the servo driving devices, the servo motors, the position detection devices, the speed detection devices, the abnormality detection devices, the position feedback modules, the speed feedback modules and the abnormality feedback modules are connected in series in sequence in a bidirectional mode, the position feedback modules, the speed feedback modules and the abnormality feedback modules are respectively connected with the EtherCAT bus in a bidirectional mode in parallel, and a fully closed loop feeding servo system is formed.
In one embodiment, the material clamping control unit comprises a plurality of material clamping mechanisms, the material clamping mechanisms are connected with the servo control unit, and the rack is provided with a conveying shaft for the movement of the material clamping mechanisms.
In one embodiment, the plate positioning and placing device further comprises a positioning baffle control unit for positioning and placing the plate, the positioning baffle control unit is connected with the EtherCAT bus in a bidirectional control and parallel mode, and the positioning baffle control unit comprises a positioning baffle mechanism arranged on the rack.
In one embodiment, the dust collection and conveying control device further comprises a dust collection and conveying control unit, wherein the dust collection and conveying control unit is connected with the EtherCAT bus in a bidirectional control and parallel mode and comprises a dust collection and conveying mechanism arranged below the working platform.
In one embodiment, the device further comprises a workpiece measuring unit, wherein the workpiece measuring unit is connected with the EtherCAT bus in a bidirectional control and parallel mode and comprises a workpiece length measuring unit, a workpiece width measuring unit and a workpiece thickness measuring unit.
In one embodiment, the system further comprises a plurality of valve islands, wherein the valve islands are arranged on the handpiece control unit and are connected with the EtherCAT bus.
In one embodiment, the rack is further provided with a side leaning limiting mechanism, and the side leaning limiting mechanism is arranged on one side of the working platform.
In one embodiment, the rack is further provided with an upper movement shaft for the upper left handpiece control unit and the upper right handpiece control unit to move, and a lower movement shaft for the lower left handpiece control unit and the lower right handpiece control unit to move.
On the other hand, the four-nose high-speed numerical control drilling center control method is also provided, comprises the four-nose high-speed numerical control drilling center, and further comprises the following steps:
s1, starting a high-speed numerical control drilling center of the four machine heads, and inputting machining data of the plate through a human-computer interaction interface unit;
s2, the motion control shaft clamp controls the servo control unit to drive a material clamping mechanism of the material clamping control unit to move and position through the EtherCAT bus according to processing data;
s3, placing the plate, starting the material clamping mechanism to clamp the plate, and clamping and conveying the plate to the working platform;
and S4, starting the upper left machine head control unit and/or the upper right machine head control unit and/or the lower left machine head control unit and/or the lower right machine head control unit according to the machining data to drill and/or mill the plate.
The invention has the beneficial effects that:
compared with the prior art, the four-machine-head high-speed numerical control drilling center and the control method thereof have the advantages that the upper machine head structure and the lower machine head structure are adopted, so that the plate placed on the working platform can be simultaneously processed up and down, and the processing efficiency is favorably improved. The invention has higher cutter capacity and processing capacity by adopting the structure of four machine heads including the upper machine head and the lower machine head, can effectively avoid the problem of frequent movement of a single machine head, and improves the processing efficiency and the processing precision. Meanwhile, due to the design of the double lower machine heads, the number of drill rods is increased, the number of tool changing times is reduced, and the labor intensity of machine operation personnel can be effectively reduced.
In addition, still realize the information transfer of each part and the control of whole processing operation through motion control shaft card and etherCAT bus, simplified design, economical and practical and safe and reliable, be favorable to carrying out automated processing to plate processing moreover, improve machining efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
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.
FIG. 1 is a schematic perspective view of a four-head high-speed numerical control drilling center according to the present embodiment;
FIG. 2 is a schematic perspective view of the upper left handpiece of the present embodiment;
FIG. 3 is a schematic perspective view of the upper right handpiece of the present embodiment;
FIG. 4 is a schematic perspective view of the lower left hand head of the present embodiment;
FIG. 5 is a schematic perspective view of the lower right handpiece of the present embodiment;
FIG. 6 is a general diagram of a control system of the present embodiment;
FIG. 7 is a general diagram of a servo control unit of the present embodiment;
fig. 8 is a general view of the upper left hand head control unit of the present embodiment;
fig. 9 is a general diagram of the upper right hand head control unit of the present embodiment;
fig. 10 is a general view of the lower left hand head control unit of the present embodiment;
fig. 11 is a general view of the lower right hand head control unit of the present embodiment;
FIG. 12 is a general view of the clipping control unit of the present embodiment;
fig. 13 is a general diagram of a workpiece measurement control unit of the present embodiment;
fig. 14 is a general view of the dust collection conveyance control unit of the present embodiment;
fig. 15 is a general diagram of a human-computer interaction control unit of the control system of the present embodiment.
Description of reference numerals:
100. a frame; 110. a working platform; 120. a conveying shaft; 130. an upper motion shaft; 140. a lower motion shaft; 150. a side leaning mechanism; 210. an upper left handpiece control unit; 220. an upper right handpiece control unit; 230. a lower left handpiece control unit; 240. a lower right handpiece control unit; 310. an X material clamping mechanism; 320. a, a material clamping mechanism; 400. a positioning baffle mechanism; 500. a dust collecting and conveying mechanism; 600. a valve island.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "attached," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 15, in an embodiment, a four-head high-speed numerical control drilling center and a control method thereof are provided, including a motion control shaft clamp, an EtherCAT bus connected with the motion control shaft clamp, a servo control unit connected in parallel with the EtherCAT bus in a bidirectional control manner and used for providing driving power, a head control unit used for panel processing, a clamping control unit used for panel clamping, and a human-computer interaction interface unit used for data transmission.
The machine head control unit comprises a milling device, a drilling device and a drilling tracking pressing mechanism; the head control unit includes an upper head control unit including an upper left head control unit 210 and an upper right head control unit 220, and a lower head control unit including a lower left head control unit 230 and a lower right head control unit 240.
The plate placing and processing machine further comprises a rack 100, wherein a working platform 110 used for placing and processing plates is arranged on the rack 100, an upper left machine head control unit 210 and an upper right machine head control unit 220 are arranged above the working platform 110, and a lower left machine head control unit 230 and a lower right machine head control unit 240 are arranged below the working platform 110.
According to the four-handpiece high-speed numerical control drilling center and the control method thereof, the upper and lower handpiece structures are adopted, so that the plate placed on the working platform 110 can be simultaneously processed up and down, and the processing efficiency is improved. The invention has higher cutter capacity and processing capacity by adopting the structure of four machine heads including the upper machine head and the lower machine head, can effectively avoid the problem of frequent movement of a single machine head, and improves the processing efficiency and the processing precision. Meanwhile, due to the design of the double lower machine heads, the number of drill rods is increased, the number of tool changing times is reduced, and the labor intensity of machine operation personnel can be effectively reduced.
In addition, still realize the information transfer of each part and the control of whole processing operation through motion control shaft card and etherCAT bus, simplified design, economical and practical and safe and reliable, be favorable to carrying out automated processing to plate processing moreover, improve machining efficiency.
In one embodiment, the servo control unit comprises a plurality of feeding servo systems, each feeding servo system comprises a servo driving device, a servo motor, a position detection device, a speed detection device, an abnormality detection device, a position feedback module, a speed feedback module and an abnormality feedback module, the servo driving devices, the servo motors, the position detection devices, the speed detection devices, the abnormality detection devices, the position feedback modules, the speed feedback modules and the abnormality feedback modules are connected in series in sequence in a bidirectional control mode, the position feedback modules, the speed feedback modules and the abnormality feedback modules are connected with an EtherCAT bus in a bidirectional control mode in parallel, and a fully closed-loop feeding servo system is formed.
In one embodiment, the material clamping control unit includes a plurality of material clamping mechanisms, the material clamping mechanisms are connected to the servo control unit, and the frame 100 is provided with a conveying shaft 120 for the movement of the material clamping mechanisms. Specifically, as shown in fig. 12, the material clamping control unit includes an X material clamping control unit and an a material clamping control unit. The X clamping control unit comprises an I/O module, an electromagnetic valve and a cylinder; the I/O module is connected with the EtherCAT bus in parallel in a bidirectional control mode, the electromagnetic valve is connected with the I/O module in series in a unidirectional control mode, the I/O module controls the electromagnetic valve in a unidirectional mode, the air cylinder is connected with the electromagnetic valve in a unidirectional control mode, and the electromagnetic valve controls the air cylinder in a unidirectional mode. The structure, the control mode and the connection mode of the A material clamping control unit and the X material clamping control unit are the same. The X clamping control unit comprises an X clamping mechanism 310, the A clamping control unit comprises an A clamping mechanism 320, and the opening and closing actions of the corresponding clamping mechanisms are executed by controlling the electromagnetic valves through the I/O module.
In one embodiment, the device further comprises a positioning baffle control unit for positioning and placing the plate, the positioning baffle control unit is connected with the EtherCAT bus in parallel in bidirectional control, and the positioning baffle control unit comprises a positioning baffle mechanism 400 arranged on the rack 100. When the plate is placed, the positioning baffle plate mechanism 400 ensures that the plate is placed accurately, and then the plate is clamped through the clamping mechanism.
In one embodiment, the device further comprises a dust collection and transportation control unit, wherein the dust collection and transportation control unit is connected with the EtherCAT bus in a bidirectional control and parallel mode, and comprises a dust collection and transportation mechanism 500 arranged below the working platform 110. When the aircraft nose control unit carries out drilling and/or milling process to the panel, the piece of processing can fall into on the collection dirt conveying mechanism 500 of work platform 110 below, exports the piece through collection dirt conveying mechanism 500 and handles, avoids the piece to pile up in frame 100 and influences other equipment normal work. Specifically, the dust collection conveying mechanism 500 includes a conveyor belt through which the output of the debris is achieved.
In this embodiment, as shown in fig. 14, the dust collection transport control unit includes a three-phase motor, a motor drive device, an I/O module, and an EtherCAT bus bidirectional control parallel connection, the motor drive device and the I/O module bidirectional control series connection, the three-phase motor and the motor drive device unidirectional control series connection, and the motor drive device unidirectional control three-phase motor.
In one embodiment, the device further comprises a workpiece measuring unit, wherein the workpiece measuring unit is connected with the EtherCAT bus in a bidirectional control and parallel mode and comprises a workpiece length measuring unit, a workpiece width measuring unit and a workpiece thickness measuring unit.
Specifically, as shown in fig. 13, the workpiece length measuring unit includes a sensor and an I/O module, the sensor records the workpiece length by detecting two edges of the plate, the sensor is connected to the I/O module in a unidirectional manner, and the I/O module is connected to the EtherCAT bus in a bidirectional control parallel manner.
The workpiece width measuring unit comprises a servo driving device, a position feedback device and a servo motor, wherein the side of one side of the working platform 110 is driven to horizontally reciprocate by the mechanism 150 to be tightly attached to the plate, the position feedback device feeds back the width of the workpiece, and the servo driving device is connected with the EtherCAT bus in a bidirectional control and parallel mode.
The workpiece thickness measuring unit comprises a sensor and a GPIO control module, and the sensor detects and records the height of the current material clamping plate of the material clamping mechanism, so that the thickness of the plate is measured. The sensor is connected with the GPIO control module in a one-way mode, and the GPIO control module is connected with the motion control shaft card in a two-way control parallel mode.
In one embodiment, the system further comprises a plurality of valve islands 600, wherein the valve islands 600 are arranged on the handpiece control unit and are connected with the EtherCAT bus. In the embodiment, by combining the valve island 600 technology and the field bus technology, not only is the wiring of the electric control valve ensured to be easy, but also the debugging, performance detection, diagnosis and maintenance work of a complex system is greatly simplified. By means of the field bus high-level integrated information system, the advantages of the field bus high-level integrated information system and the field bus high-level integrated information system are fully exerted, and the field bus high-level integrated information system has wide application prospects.
In one embodiment, the rack 100 is further provided with a side leaning limiting mechanism, and the side leaning limiting mechanism is arranged on one side of the working platform 110, so as to limit and fix the plate on the working platform 110.
In one embodiment, the gantry 100 further has an upper movement axis 130 for the upper left handpiece control unit 210 and the upper right handpiece control unit 220, and a lower movement axis 140 for the lower left handpiece control unit 230 and the lower right handpiece control unit 240.
In this embodiment, as shown in fig. 6, a control system of a four-head high-speed numerical control drilling control center includes a motion control shaft clamp, an EtherCAT bus connected to the motion control shaft clamp, a servo control unit, a frequency converter control unit, an upper head control unit, a lower head control unit, a material clamping control unit, a discharging table control unit, a workpiece measurement unit, a dust collection conveying unit, and a positioning baffle control unit, which are connected in parallel to the EtherCAT bus in a bidirectional control manner.
In this embodiment, as shown in fig. 7, the feed servo system includes an X-axis feed servo system for driving the X-clamping mechanism 310 to horizontally reciprocate, an a-axis feed servo system for driving the a-clamping mechanism 320 to horizontally reciprocate, a V-axis feed servo system for driving the milling device and the drilling device of the upper left head to synchronously horizontally reciprocate, a milling device and a drilling device for driving the upper left head, a W-axis feed servo system for tracking the pressing mechanism to synchronously reciprocate up and down, a Y-axis feed servo system for driving the milling device and the drilling device of the upper right head to synchronously horizontally reciprocate, a milling device and a drilling device for driving the upper right head, a Z-axis feed servo system for tracking the drilling mechanism to synchronously reciprocate up and down, a B-axis feed servo system for driving the milling device and the drilling device of the lower left head to synchronously reciprocate up and down, a milling device and a drilling device for driving the lower left head, a C-axis feed servo system for tracking the mechanism to synchronously reciprocate up and down, a D-axis feed servo system for driving the milling device and the drilling device of the lower left head, a C-axis feed servo system for tracking the drilling mechanism to synchronously reciprocate up and down, a horizontal feed servo system for driving the lower right head, and a reciprocating servo system for driving the milling device for tracking the drilling device, and a reciprocating, and a horizontal feed servo system for driving the drilling device for driving the lower head, and a table for driving the table for table to synchronously reciprocating, and a table for table.
Specifically, the X-axis feeding servo system comprises a servo driving device, a servo motor, a speed reducer, a position detection device, a speed detection device, a position feedback module, a speed feedback module, an abnormality detection device and an abnormality feedback module, wherein the position feedback module, the speed feedback module and the abnormality feedback module are connected with an EtherCAT bus in a bidirectional control and parallel mode.
The structure, the control mode and the connection mode of an A-axis feeding servo system, a V-axis feeding servo system, a W-axis feeding servo system, a Y-axis feeding servo system, a Z-axis feeding servo system, a B-axis feeding servo system, a C-axis feeding servo system, a D-axis feeding servo system, an E-axis feeding servo system and a U-axis feeding servo system are the same as those of the X-axis feeding servo system.
In the present embodiment, as shown in fig. 8 to 11, the upper left handpiece control unit 210 includes at least one milling tracking swage control unit, a drill driving unit, at least two drill units, and at least one drilling tracking swage control unit, which are connected in parallel with the EtherCAT bus bidirectional control connected to the motion control axis card.
The upper right machine head control unit 220 comprises a main shaft driving unit, a main shaft lifting control unit, at least one milling tracking material pressing control unit, a drill driving unit, at least two drill units and at least one drilling tracking material pressing control unit, wherein the main shaft driving unit, the main shaft lifting control unit, the at least one milling tracking material pressing control unit, the drill driving unit, the at least two drill units and the at least one drilling tracking material pressing control unit are connected in parallel with an EtherCAT bus which is connected with a motion control shaft card in a bidirectional control mode.
The lower left handpiece control unit 230 includes a drill drive unit, at least two drill units connected in parallel with an EtherCAT bus bidirectional control connected to the motion control shaft card.
The lower right handpiece control unit 240 includes a spindle driving unit, a spindle lifting control unit, a drill driving unit, at least two drill units connected in parallel with an EtherCAT bus bidirectional control connected to the motion control shaft card.
In this embodiment, as shown in fig. 15, the man-machine interaction unit includes a button panel control unit connected in parallel with the EtherCAT bus bidirectional control connected to the motion control axis card, a keyboard control unit, a display control unit, and a scanning gun control unit connected in parallel with the industrial personal computer. The panel control unit comprises an I/O module and a button; the I/O module is connected with an EtherCAT bus bidirectional control parallel connection connected with the motion control shaft card, and the button is connected with the I/O module bidirectional control series connection. The motion control shaft card is arranged in a PCI slot in the industrial personal computer.
In another embodiment, the invention further provides a method for controlling the four-handpiece high-speed numerical control drilling center, which comprises the four-handpiece high-speed numerical control drilling center, and further comprises the following steps:
s1, starting a four-machine-head high-speed numerical control drilling center, and inputting machining data of a plate through a human-computer interaction interface unit;
s2, controlling a servo control unit to drive a material clamping mechanism of a material clamping control unit to move and position through an EtherCAT bus according to the processing data by a motion control shaft clamp;
s3, placing the plate, starting a material clamping mechanism to clamp the plate, and clamping and conveying the plate to the working platform 110;
and S4, starting the upper left handpiece control unit 210, the upper right handpiece control unit 220, the lower left handpiece control unit 230 and the lower right handpiece control unit 240 according to the machining data to drill and/or mill the plate.
After the plate is machined, discharging the plate, and then putting a new plate to repeat the machining operation.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. A four-handpiece high-speed numerical control drilling center is characterized by comprising a motion control shaft clamp, an EtherCAT bus connected with the motion control shaft clamp, a servo control unit, a handpiece control unit, a material clamping control unit and a human-computer interaction interface unit, wherein the servo control unit is connected with the EtherCAT bus in a bidirectional control and parallel mode and used for providing driving power, the handpiece control unit is used for plate processing, the material clamping control unit is used for clamping a plate, and the human-computer interaction interface unit is used for data transmission;
the machine head control unit comprises a milling device, a drilling device and a drilling tracking pressing mechanism; the machine head control unit comprises an upper left machine head control unit (210), an upper right machine head control unit (220), a lower left machine head control unit (230) and a lower right machine head control unit (240);
still include frame (100), be equipped with on frame (100) and be used for supplying plate to place work platform (110) of processing, go up left aircraft nose the control unit (210) go up right aircraft nose the control unit (220) and set up work platform (110) top, lower left aircraft nose the control unit (230) down right aircraft nose the control unit (240) set up work platform (110) below.
2. The four-handpiece high-speed numerical control drilling center according to claim 1, wherein the servo control unit comprises a plurality of feeding servo systems, each feeding servo system comprises a servo driving device, a servo motor, a position detection device, a speed detection device, an abnormality detection device, a position feedback module, a speed feedback module and an abnormality feedback module which are bidirectionally controlled and connected in series, and the position feedback module, the speed feedback module and the abnormality feedback module are respectively connected with the EtherCAT bus in parallel in bidirectional control and form a fully closed-loop feeding servo system.
3. The four-handpiece high-speed numerical control drilling center according to claim 1, wherein the material clamping control unit comprises a plurality of material clamping mechanisms, the material clamping mechanisms are connected with the servo control unit, and a conveying shaft (120) for the movement of the material clamping mechanisms is arranged on the rack (100).
4. The four-handpiece high-speed numerical control drilling center according to claim 1, further comprising a positioning baffle control unit for positioning and placing the plate, wherein the positioning baffle control unit is connected with the EtherCAT bus bidirectional control in parallel, and comprises a positioning baffle mechanism (400) arranged on the rack (100).
5. The four-handpiece high-speed numerical control drilling center according to claim 1, further comprising a dust collection and conveying control unit, wherein the dust collection and conveying control unit is connected with the EtherCAT bus bidirectional control in parallel, and comprises a dust collection and conveying mechanism (500) arranged below the working platform (110).
6. The four-head high-speed numerical control drilling center according to claim 1, further comprising a workpiece measuring unit, wherein the workpiece measuring unit is connected with the EtherCAT bus bidirectional control in parallel, and comprises a workpiece length measuring unit, a workpiece width measuring unit and a workpiece thickness measuring unit.
7. The four-head high-speed numerical control drilling center according to claim 1, further comprising a plurality of valve islands (600), wherein the valve islands (600) are arranged on the head control unit and connected with the EtherCAT bus.
8. The four-handpiece high-speed numerical control drilling center according to claim 1, wherein a side leaning limiting mechanism is further arranged on the machine frame (100), and the side leaning limiting mechanism is arranged on one side of the working platform (110).
9. The four-handpiece high-speed numerical control drilling center according to claim 1, wherein the machine frame (100) is further provided with an upper movement shaft (130) for the movement of the upper left handpiece control unit (210) and the upper right handpiece control unit (220), and a lower movement shaft (140) for the movement of the lower left handpiece control unit (230) and the lower right handpiece control unit (240).
10. A four-head high-speed numerical control drilling center control method, characterized by comprising the four-head high-speed numerical control drilling center of any one of claims 1 to 9, and further comprising the steps of:
s1, starting a high-speed numerical control drilling center of the four machine heads, and inputting machining data of the plate through a human-computer interaction interface unit;
s2, the motion control shaft clamp controls the servo control unit to drive a material clamping mechanism of the material clamping control unit to move and position through the EtherCAT bus according to processing data;
s3, placing the plate, starting the material clamping mechanism to clamp the plate, and clamping and conveying the plate to the working platform (110);
and S4, starting the upper left machine head control unit (210), the upper right machine head control unit (220), the lower left machine head control unit (230) and the lower right machine head control unit (240) according to the machining data to drill and/or mill the plate.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109822692A (en) * | 2019-02-04 | 2019-05-31 | 南兴装备股份有限公司 | A kind of control system of numerical control machining center |
| CN213703745U (en) * | 2020-11-24 | 2021-07-16 | 宋美方 | Double-station numerical control machining center |
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