CN209992854U

CN209992854U - Control system of material clamping control unit and numerical control equipment

Info

Publication number: CN209992854U
Application number: CN201920189101.6U
Authority: CN
Inventors: 陈周华; 陶宏健; 梁浩伟
Original assignee: Nanxing Machinery Co Ltd
Current assignee: Nanxing Machinery Co Ltd
Priority date: 2019-02-04
Filing date: 2019-02-04
Publication date: 2020-01-24
Anticipated expiration: 2029-02-04

Abstract

A clamping control unit comprises an X clamping control unit and a U clamping control unit which are connected with a bus connected with a controller; the X clamping control unit and the U clamping control unit both comprise an I/O module, an electromagnetic valve and a cylinder; the I/O module is connected with a bus bidirectional control parallel connection of a CNC controller, the electromagnetic valve is connected with the I/O module unidirectional control series connection, the I/O module unidirectional control electromagnetic valve, the cylinder is connected with the electromagnetic valve unidirectional control, and the electromagnetic valve unidirectional control cylinder; the control system of the numerical control equipment comprises a CNC controller, a servo control unit, a machine head control unit, a material clamping control unit, a man-machine conversation interface unit and a communication unit, wherein the servo control unit, the machine head control unit, the material clamping control unit, the man-machine conversation interface unit and the communication unit are connected with a bus in a bidirectional control and parallel mode; the clamping control unit has the advantages that the plate is fed, avoided and the like according to the required functions; the control system has the advantages of universality, high compatibility and strong transportability, can make the whole product more convenient to purchase, manufacture and maintain, is favorable for shortening the development period and has controllable development cost.

Description

Control system of material clamping control unit and numerical control equipment

Technical Field

The utility model belongs to the technical field of the large-scale accurate digit control machine tool in timber and similar material processing field and specifically relates to a six machining center's that have high-grade numerical control system press from both sides material the control unit and numerical control equipment's control system.

Background

With the advent of microprocessors, the world has entered a new era of numerical control equipment, and machine tools capable of realizing multi-axis motion only by computers have rapidly emerged, so that wood processing has entered an automated and intelligent era. The technical field of woodworking machinery generally relates to procedures of slotting, drilling and the like of wood boards. In the prior art, six-face drilling and milling machining centers capable of performing six-face drilling and two-face routing on wood are also gradually applied.

In the invention patent with patent number ZL201810069035.9, publication date is 2018, 5 month and 18 days, a six-face machining center is disclosed, including the organism, be equipped with table surface, longmen on the organism, table surface includes processing district, gyro wheel, still includes:

the clamping device comprises a clamping plate sliding rail arranged on one side of the machine body, at least one clamping plate mechanism is arranged on the clamping plate sliding rail, the clamping plate mechanism comprises a first clamping plate part and a second clamping plate part, the first clamping plate part is arranged on the clamping plate sliding rail, a clamping plate motor is arranged on the first clamping plate part, the clamping plate motor is connected with a first rack in a meshed mode through a first gear and used for driving the clamping plate mechanism to move back and forth along the clamping plate sliding rail, and the first rack is arranged above the clamping plate sliding rail; the second clamping plate part comprises an upper clamping plate and a lower clamping plate, the upper clamping plate is slidably connected with the first clamping plate part so that the upper clamping plate can move up and down along the first clamping plate part, a clamping plate cylinder is mounted at the bottom of the lower clamping plate, a cylinder rod of the clamping plate cylinder is connected with the upper clamping plate, a positioning column is arranged at the front part of the lower clamping plate, the upper clamping plate is provided with a positioning hole matched with the positioning column, and a clamping part is further arranged on the opposite inner side of the upper clamping plate and the;

the side leaning correction device comprises a main mounting plate, the middle of the main mounting plate is provided with a groove, the groove corresponds to a processing area, two sides of the groove are respectively provided with a row of idler wheels parallel to the main mounting plate, the idler wheels are mounted on idler wheel plates, the idler wheel plates are fixed on the main mounting plate, the top of each idler wheel is provided with a top wheel, the top wheels are mounted on top rods, the top rods are fixed on the main mounting plate, one end of the main mounting plate is connected with a first side leaning against a sliding rail on a machine body, the other end of the main mounting plate is connected with an L-shaped bridging plate, the bridging plate is provided with a side leaning against a motor, the side leaning against motor is meshed and connected with a second rack arranged behind a gantry through a second gear, the top of the bridging plate is connected with a second side leaning against the sliding rail on the gantry, the main mounting plate;

the drilling and packing mechanism is positioned below the machining area and comprises a first moving seat, a first driving motor is arranged on one side of the first moving seat, and the first driving motor is connected with a third rack arranged at the lower part of the gantry through a third gear; a movable seat slide rail is arranged on the first movable seat, a second movable seat capable of moving up and down along the movable seat slide rail is arranged on the movable seat slide rail, the back of the second movable seat is in threaded connection with a first lead screw, the bottom of the first lead screw is connected with a first lead screw motor, a down-drilling group and a down-drilling group motor are arranged on the second movable seat, a first milling cutter motor is arranged on one side of the down-drilling group, the first milling cutter motor is arranged on a first milling cutter seat, the first milling cutter seat is arranged on a milling cutter slide rail, the milling cutter slide rail is arranged on the second movable seat, and the bottom of the milling cutter seat is connected with a first milling cutter cylinder for; the drilling and packing mechanism further comprises a supporting plate, the supporting plate is connected with a supporting cylinder, and the supporting cylinder is fixed on the first movable seat through a mounting rod;

the upper drill and bag mechanism comprises a first mounting seat, the first mounting seat is arranged on a first mounting seat slide rail on the upper part of the gantry, the back part of the first mounting seat is connected with a second driving motor, the second driving motor is connected with a fourth rack on the top part of the gantry through a fourth gear, the top part of the first mounting seat is also provided with a second lead screw motor, the second lead screw motor is connected with a second lead screw, the second lead screw is in threaded connection with the back part of the second mounting seat, the second mounting seat is connected with a first guide slide rail fixedly arranged on the first mounting seat, the second mounting seat is provided with an upper drill group, the upper drill group comprises an upper drill group motor and a horizontal drill row, the vertical drilling row and the plurality of material pressing wheels are arranged, a second guide sliding rail is further arranged on the second mounting seat, a third mounting seat is arranged on the second guide sliding rail, a second milling cutter motor is fixedly arranged on the third mounting seat, the top of the third mounting seat is connected with a second milling cutter cylinder, and the second milling cutter cylinder is fixed to the top of the second mounting seat; the upper drill bag mechanism also comprises a positioning cylinder, and the positioning cylinder is positioned at the front end of the upper drill bag mechanism.

The upper drill group comprises a first vertical drill row, a second vertical drill row, a first horizontal drill parallel to the first vertical drill row and a second horizontal drill parallel to the second vertical drill row, the first horizontal drill and the second horizontal drill are vertically arranged, a first pressing wheel and a second pressing wheel capable of descending to press the plate are arranged in front of and behind the first horizontal drill, a third pressing wheel is arranged on one side of the second horizontal drill, and a fourth pressing wheel is arranged in front of a milling cutter motor.

The first pressing wheel, the second pressing wheel, the third pressing wheel and the fourth pressing wheel are respectively connected with the corresponding pressing cylinders in a matching mode, so that the pressing wheels can be lifted independently.

When a plate is machined, firstly, after a cylinder rod of a positioning cylinder of an upper drilling and packing mechanism extends downwards, the front end of the plate is abutted against the cylinder rod of the positioning cylinder, and the right side of the plate is abutted against a positioning column of a clamping plate mechanism to complete the positioning of the plate, so that the plate is convenient to subsequently machine. The upper clamping plate of the clamping plate mechanism moves downwards under the driving of the clamping plate cylinder, so that the upper clamping plate and the lower clamping plate clamp the plate, and the plate can move back and forth along the clamping plate sliding rail along with the clamping plate mechanism. The side is close to the left side that correcting unit made it on by wheel, top wheel butt plate's left side edge by the left side of plate, prevents that the plate from offseting, warping in the course of working, plays certain corrective action. And after the plate is moved to the processing area by the clamping plate mechanism, the upper drill group and the lower drill group respectively carry out corresponding processing operation. When processing plate front end and rear end, the backup pad of processing district below rises under the effect of supporting the cylinder and supports the plate, prevents that the uneven downward skew of plate atress, or warp.

Although the six-side machining center of the above patent has a simple description of the machining principle, no specific machining method and control system are disclosed. Since a plurality of processing devices, a plurality of movements and a plurality of processing functions are involved, it is a great creative work for those skilled in the art how to move and realize the movements through a control system. In addition, the same equipment can realize different processing methods and different control systems, and how to realize the most efficient processing method can be realized through the control system, so that the technical personnel in the field need to pay more creative labor than a mechanical structure, and the development of the traditional numerical control equipment to intelligent numerical control equipment is also restricted.

SUMMERY OF THE UTILITY MODEL

Exist not enoughly to prior art, the to-be-solved first technical problem of the utility model is that, provide a numerical control equipment's double-layered material the control unit, should press from both sides the material the control unit and use bus technology as the core, have the security height, fault-tolerant ability is strong, high-efficient, stable, the precision is high, can realize the centre gripping pay-off to the plate.

The to-be-solved second technical problem of the utility model is to provide a control system of numerical control equipment, this control system uses bus technology as the core, has abundant external interface and "plug and play" function, has the security height, the fault-tolerant ability is strong, high-efficient, stable, the precision is high, can realize six processing to the plate at most.

A material clamping control unit of numerical control equipment comprises an X material clamping control unit and a U material clamping control unit which are connected with a bus connected with a CNC controller; the X clamping control unit comprises an I/O module, an electromagnetic valve and a cylinder; the I/O module is connected with a bus bidirectional control parallel connection of a CNC controller, the electromagnetic valve is connected with the I/O module unidirectional control series connection, the I/O module unidirectional control electromagnetic valve, the cylinder is connected with the electromagnetic valve unidirectional control, and the electromagnetic valve unidirectional control cylinder; the U clamping control unit and the X clamping control unit have the same structure, control mode and connection mode.

The control system of the numerical control equipment further comprises a CNC controller, a bus connected with the CNC controller, a servo control unit, a machine head control unit, a material clamping control unit, a man-machine conversation interface unit and a communication unit, wherein the servo control unit, the machine head control unit, the material clamping control unit, the man-machine conversation interface unit and the communication unit are connected with the bus in a bidirectional control and parallel mode.

As an improvement of the second scheme, the machine head control unit comprises an electric spindle driving unit, an electric spindle lifting control unit, a drill bit driving unit and a plurality of drill bit units, wherein the electric spindle driving unit, the electric spindle lifting control unit, the drill bit driving unit and the plurality of drill bit units are connected in parallel with the bus bidirectional control connected with the CNC controller; the servo control unit comprises an X-axis feeding servo system for driving the X clamp device to slide back and forth along the direction vertical to the beam and a U-axis feeding servo system for driving the U clamp device to slide back and forth along the direction vertical to the beam; the Y-axis feeding servo system drives the engraving and milling device and the drilling device of the machine head to synchronously slide back and forth along the cross beam, and the Z-axis feeding servo system drives the engraving and milling device and the drilling device of the upper machine head to synchronously slide back and forth up and down; the X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system and the Z-axis feeding servo system are connected in parallel with a bus bidirectional control connected with the CNC controller.

As an improvement of the second scheme, the machine head control unit comprises an upper machine head control unit and a lower machine head control unit; the upper machine head control unit comprises an electric spindle driving unit, an electric spindle lifting control unit, a drill bit driving unit and a plurality of drill bit units, wherein the electric spindle driving unit, the electric spindle lifting control unit, the drill bit driving unit and the drill bit units are connected in parallel with the bus bidirectional control connected with the CNC controller; the lower machine head control unit comprises an electric spindle driving unit, an electric spindle lifting control unit, and/or a drill bit driving unit and a plurality of drill bit units which are connected in parallel with the bus bidirectional control connected with the CNC controller;

the servo control unit comprises an X-axis feeding servo system for driving the X clamp device to slide back and forth along the direction vertical to the beam and a U-axis feeding servo system for driving the U clamp device to slide back and forth along the direction vertical to the beam; the system comprises a Y-axis feeding servo system, a Z-axis feeding servo system, a W-axis feeding servo system, an A-axis feeding servo system and a V-axis feeding servo system, wherein the Y-axis feeding servo system drives a routing processing device and a drilling processing device of an upper machine head to synchronously slide back and forth along a cross beam; the X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system, the Z-axis feeding servo system, the W-axis feeding servo system, the A-axis feeding servo system and the V-axis feeding servo system are connected in parallel with bus bidirectional control connected with a CNC controller.

As a common improvement of the third and fourth schemes, the drill driving unit comprises a three-phase motor, a motor driving device, an A/D module and a D/A module, the A/D module and the D/A module are connected with a bus in a bidirectional control and parallel mode, the motor driving device is connected with the A/D module and the D/A module in a bidirectional control and series mode, the three-phase motor is connected with the motor driving device in a unidirectional control and series mode, and the motor driving device controls the three-phase motor in a unidirectional mode;

the structure, control mode and connection mode of the electric spindle driving unit and the drill bit driving unit are the same;

the drill bit unit comprises an I/O module, an electromagnetic valve and a cylinder; the I/O module is connected with the 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 cylinder is connected with the electromagnetic valve in series in a unidirectional control mode, and the electromagnetic valve controls the cylinder in a unidirectional mode;

the electric spindle lifting control unit comprises an I/O module, an electromagnetic valve, a cylinder and two sensors which are arranged along the axial direction of the cylinder; the I/O module is connected with the bus in a bidirectional control and parallel mode, the electromagnetic valve is connected with the I/O module in a unidirectional control and series 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 and series mode, the electromagnetic valve controls the air cylinder in a unidirectional mode, the two sensors are connected with the I/O module in a unidirectional control and parallel mode, and the sensors control the I/O module in a unidirectional mode; the cylinder of the electric spindle lifting control unit is a double-acting cylinder with a built-in magnetic ring.

As a common improvement of the third and fourth schemes, the X-axis feeding servo system comprises an A/D module and a D/A module which are in bidirectional control and connected in series in sequence, a servo driving device, a servo motor, a position detection device and a speed detection device, a position feedback module and a speed feedback module, wherein the A/D module and the D/A module are connected with the bus bidirectional control in parallel, and the position feedback module and the speed feedback module are connected with the bus bidirectional control in parallel;

the structure, the control mode and the connection mode of the U-axis feeding servo system, the Y-axis feeding servo system and the Z-axis feeding servo system are the same as those of the X-axis feeding servo system; the X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system and the Z-axis feeding servo system are all semi-closed-loop feeding servo systems and are connected with the CNC controller through a Mechatrolink-II field bus connection.

As a common improvement of the third and fourth schemes, the system also comprises an industrial personal computer; the communication unit comprises an EtherCAT bus and an Ethernet which are connected with the CNC in a bidirectional control and series mode; the I/O module is connected with the CNC controller in series in a bidirectional control mode through an EtherCAT bus; the industrial personal computer is in bidirectional control serial connection with the CNC controller through the Ethernet; the factory local area network is connected with the industrial personal computer in series through Ethernet bidirectional control.

As a common improvement of the third and fourth schemes, the man-machine conversation interface unit comprises a button plate control unit, a hand pulse generator unit, a keyboard control unit, a display control unit and a scanning gun control unit, wherein the button plate control unit and the hand pulse generator unit are connected with a bus which is connected with a CNC controller in a bidirectional control and parallel connection mode;

the button plate control unit comprises an I/O module and a button plate; the I/O module is connected with a bus bidirectional control connected with the CNC controller in parallel, and the button board is connected with the I/O module in series in a bidirectional control manner;

the hand-operated pulse generator unit comprises a hand-operated pulse generator interface and a hand-operated pulse generator; the hand-operated pulse generator is connected with the hand-operated pulse generator interface in a unidirectional control series manner, and the hand-operated pulse generator interface is controlled by the hand-operated pulse generator in a unidirectional manner; the interface of the hand pulse generator is connected with the bus unidirectional control connected with the CNC controller in parallel, and the interface of the hand pulse generator controls the CNC controller unidirectionally;

the keyboard control unit comprises a keyboard interface and a keyboard; the keyboard is connected with the keyboard interface in a unidirectional control series connection way; the keyboard interface is connected with the industrial personal computer in a one-way control and parallel mode and controls the industrial personal computer in a one-way mode;

the display control unit comprises a display and a display interface; the display is connected with the display interface in a unidirectional control series mode, and the display interface controls the display in a unidirectional mode; the display interface is connected with the one-way control of the industrial personal computer in parallel, and the industrial personal computer controls the display interface in one way; the scanning gun control unit comprises a scanning gun and a scanning gun interface; the scanning gun is connected with the scanning gun interface in a unidirectional control series mode, and the scanning gun interface is controlled in a unidirectional mode; the scanning gun interface is connected with the industrial personal computer in parallel in a one-way control mode, and the industrial personal computer is controlled in a one-way mode by the scanning gun interface.

As a common improvement of the third and fourth schemes, the control system of the numerical control equipment also comprises a discharge table control unit;

the discharging table control unit comprises a discharging table driving unit, a discharging table brush control unit and a discharging table stop position control unit which are connected in parallel with the bus bidirectional control connected with the CNC controller;

the discharging table driving unit comprises a three-phase motor, a motor driving device, an A/D module and a D/A module, the A/D module and the D/A module are connected with a bus in a bidirectional control and parallel mode, the motor driving device is connected with the A/D module and the D/A module in a bidirectional control and series mode, the three-phase motor is connected with the motor driving device in a unidirectional control and series mode, and the motor driving device controls the three-phase motor in a unidirectional mode;

the discharging table brush control unit comprises an I/O module, an electromagnetic valve and a brush; the I/O module is connected with the 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 control mode, the brush is connected with the electromagnetic valve in series in a unidirectional control mode, and the electromagnetic valve controls the brush in a unidirectional mode;

the discharging table stop position control unit comprises an I/O module and a photoelectric sensing switch; the I/O module is connected with the bus bidirectional control in parallel, the photoelectric sensing switch is connected with the I/O module unidirectional control in series, and the photoelectric sensing switch unidirectionally controls the I/O module.

As an improvement of the first scheme, the bus comprises a data bus, a control bus and an address bus; a plurality of standardized CNC controller interfaces are arranged on the CNC controller; the servo control unit, the machine head control unit, the material clamping control unit, the man-machine conversation interface unit and the communication unit are modules which are combined by an open type and modular structure; the standard connector matched with the CNC controller interface is arranged and can be connected with the CNC controller interface in a bidirectional control parallel mode.

The utility model discloses a press from both sides material the beneficial effect of the control unit is:

the clamping control unit controls the electromagnetic valve through the I/O module to execute the opening and closing actions of the clamping device.

The double-clamp device is as flexible as the hands of a person, servo motors of the two clamping control units can clamp and release the plate by executing the command of the CNC controller and controlling the electromagnetic valve by the I/O module, and the plate is fed according to the required functions. The double clamp device has a feed motion when a horizontal hole and a groove in the front, rear, left and right directions are processed on a plate. The plate can be milled through the feeding motion of the double-clamp device and the feeding motion of the machine head.

Through CNC controller drive clamp material the control unit, press from both sides material the servo motor execution instruction of control unit, two clamping device can interfere the protection, when guaranteeing normal processing, clamping device can dodge automatically each other, and dodge the action to the drill bit etc.. The two clamping devices are also responsible for carrying out front discharging or back discharging on the processed plate.

The utility model discloses a numerical control equipment's control system's beneficial effect is:

the control system is divided into large modules, namely a servo control unit, a machine head control unit, a clamping control unit, a discharging table control unit, a strong and weak current control unit, a man-machine conversation interface unit and a communication unit, and each module is divided into a plurality of small control units.

The large module can be designed into an open type and modular structure, has a standardized interface, can be connected with a standardized interface and a remote I/O on a CNC controller, and has universality of hardware and software, high compatibility and strong transportability.

Each module has independent function, the modules of the same kind can be reused and exchanged in a product family, and the arrangement and combination of the related modules can form a final product.

Products with different requirements can be created by selecting and matching the combination configuration of various functional modules, so that the customization requirements of customers are met, and the requirements of the customers on different configurations and the market requirements can be flexibly met; the reuse of the similarity can facilitate the purchasing, manufacturing and maintenance of the whole product.

Modularization, the functions are decomposed, and the coupling performance between the functions is reduced. Therefore, in order to replace a certain module to improve the quality or efficiency, the whole structure cannot be changed, and the workload can be obviously reduced only by changing the corresponding module, so that the application of modularization is the ultimate design of each industry. The modular structure thus has interoperability and portability between machine tools; by providing a standardized interface, communication and interaction mechanism, different function module functions are operated on a system platform by a standard application program interface, and equal mutual operation capability is obtained to coordinate work; the unified data format, interaction model and control mechanism are applied, each function module forming the system can come from different developers, and each function module can run on hardware platforms provided by different suppliers through consistent equipment interfaces, thereby being beneficial to shortening the development period, controlling the development cost and the like.

Drawings

Fig. 1 is a general diagram of a material clamping control unit according to embodiment 1 of the present invention.

Fig. 2 is a general diagram of a control system according to embodiment 2 of the present invention.

Fig. 3 is a general diagram of a servo control unit of the control system according to embodiment 2 of the present invention.

Fig. 4 is a general diagram of an upper head control unit of the control system according to embodiment 2 of the present invention.

Fig. 5 is a general diagram of a lower head control unit of the control system according to embodiment 2 of the present invention.

Fig. 6 is a general diagram of a material clamping control unit of the control system according to embodiment 2 of the present invention.

Fig. 7 is a general diagram of a discharge table control unit of the control system according to embodiment 2 of the present invention.

Fig. 8 is a general diagram of a communication unit of the control system according to embodiment 2 of the present invention.

Fig. 9 is a general view of a man-machine interaction interface unit of the control system according to embodiment 2 of the present invention.

Fig. 10 is a general diagram of a lower head control unit of a control system according to embodiment 3 of the present invention.

Fig. 11 is a general diagram of a control system according to embodiment 4 of the present invention.

Fig. 12 is a general diagram of a servo control unit of the control system according to embodiment 4 of the present invention.

Fig. 13 is a general diagram of an upper head control unit of the control system according to embodiment 4 of the present invention.

Detailed Description

Example 1

As shown in fig. 1, a material clamping control unit of a numerical control device includes an X material clamping control unit and a U material clamping control unit connected to a bus connected to a controller; the X clamping control unit comprises an I/O module, an electromagnetic valve and a cylinder; the I/O module is connected with a bus bidirectional control parallel connection of a CNC controller, the electromagnetic valve is connected with the I/O module unidirectional control series connection, the I/O module unidirectional control electromagnetic valve, the cylinder is connected with the electromagnetic valve unidirectional control, and the electromagnetic valve unidirectional control cylinder; the U clamping control unit and the X clamping control unit have the same structure, control mode and connection mode.

Example 2

As shown in fig. 2, a control system of a numerical control device includes a CNC controller, a data bus, a control bus, an address bus connected with the CNC controller, a servo control unit, an upper machine head control unit, a lower machine head control unit, a material clamping control unit, a material discharging table control unit, a strong and weak current control unit, a man-machine interaction interface unit, and a communication unit, which are connected with the data bus, the control bus, and the address bus in a bidirectional control and parallel manner.

A plurality of standardized CNC controller interfaces are arranged on the CNC controller; the servo control unit, the upper machine head control unit, the lower machine head control unit, the clamping control unit, the discharging table control unit, the strong and weak current control unit, the man-machine conversation interface unit and the communication unit are modules which are combined in an open type and modularized structure; the standard connector matched with the CNC controller interface is arranged and can be connected with the CNC controller interface in a bidirectional control parallel mode.

A plurality of standardized CNC controller interfaces are arranged on the CNC controller; the servo control unit, the machine head control unit, the workbench control unit, the vacuum control unit, the strong and weak current control unit, the man-machine conversation interface unit and the communication unit are modules which are combined by an open type modularized structure; the standard connector matched with the CNC controller interface is arranged and can be connected with the CNC controller interface in a bidirectional control parallel mode.

A CNC (numerically controlled machine) controller refers to a program control system of a computer numerically controlled machine tool (computer numerical control).

The utility model discloses a numerical control system belongs to the open numerical control system of PC embedding NC structure. Based on a field bus Mechatolin-II which accords with international and domestic mainstream technical standards and an industrial Ethernet which accords with IEEE802.3 international standard, the integrated automatic control system is oriented to multifunctional configuration software in a continuous production process and simultaneously has a software simulation technology and a redundancy fault-tolerant function.

The control system is divided into large modules, namely a servo control unit, an upper machine head control unit, a lower machine head control unit, a clamping control unit, a discharging table control unit, a strong and weak current control unit, a man-machine conversation interface unit and a communication unit, and each module is divided into a plurality of small control units.

The large module can be designed into an open type and modular structure, has a standardized interface, can be connected with a standardized interface and a remote I/O on a CNC controller, and has universality of hardware and software, high compatibility and strong transportability. The I/O module is an input/output module.

The advantage of dividing each module into a plurality of small control units is:

1. the structure is more reasonable: the control system of the machine adopts each module to be divided into a plurality of small control units, the layout of each small control unit is more reasonable and scientific, the functions of each part can be well exerted, and the service life of the machine is prolonged.

2. Designing an optimization control system: each part of the control system is designed into a small control unit, and then a plurality of small control units are combined into a module, so that the design of the control system can be simplified and optimized.

3. The maintenance is simpler: each part of the machine is a small control unit, the machine has problems, the diagnosis can be quickly carried out, only the corresponding small control unit needs to be replaced, and the operation is simple.

Compared with a traditional servo system which uses analog quantity and pulse direction control, the device uses a field bus protocol, so that the quick response of the servo system is realized, and the processing precision and the stability of the device are improved.

Compared with a traditional five-surface numerical control drilling center, the equipment is provided with one drilling device of one routing machining device, the drilling device and the routing machining device which can move independently are additionally arranged below the table working table, the control of the controller on the two drilling devices and the two routing machining devices is realized, the drilling of six surfaces of the plate and the grooving of the upper surface and the lower surface of the plate can be completed by one-time clamping, the concentration of the working procedure is improved, and the whole machining efficiency is improved by more than 50%.

Compared with the traditional punching equipment, the equipment is additionally provided with an industrial computer, the front-end control software of the controller is optimized, the man-machine interaction is more visual, the equipment end can complete the program design, and the operation is easier.

Compared with the traditional processing center, the equipment is additionally provided with an industrial Ethernet switch, can be connected with a user local area network by using an Ethernet TCP/IP protocol, and reserves a butt joint interface of user whole plant automation master control software.

Compared with the traditional manual workbench, the servo-driven automatic moving workbench has the advantages of high efficiency, high speed and accurate positioning, does not need manual participation in the whole process, and provides a better solution for the automation of the whole factory and the industrial 4.0.

As shown in fig. 3, the servo control unit includes an X-axis feed servo system for driving the X-clamp device to slide back and forth along the direction of the vertical beam, and a U-axis feed servo system for driving the U-clamp device to slide back and forth along the direction of the vertical beam; the system comprises a Y-axis feeding servo system, a Z-axis feeding servo system, a W-axis feeding servo system, an A-axis feeding servo system and a V-axis feeding servo system, wherein the Y-axis feeding servo system drives a routing processing device and a drilling processing device of an upper machine head to synchronously slide back and forth along a cross beam, the Z-axis feeding servo system drives the routing processing device and the drilling processing device of the upper machine head to synchronously slide back and forth and up and down, the W-axis feeding servo system drives the routing processing device and the drilling processing device of a lower machine head to synchronously slide back and forth along the cross beam, the A-axis feeding servo system drives the routing processing device and the drilling processing device of the lower machine head to synchronously slide back and forth.

The X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system, the Z-axis feeding servo system, the W-axis feeding servo system, the A-axis feeding servo system and the V-axis feeding servo system are connected in parallel with a data bus, a control bus and an address bus which are connected with the CNC controller in a bidirectional control mode.

The X-axis feeding servo system comprises an A/D module, a D/A module, a servo driving device, a servo motor, a position detection device, a speed detection device, a position feedback module and a speed feedback module which are connected in series in sequence in a bidirectional control mode, wherein the A/D module and the D/A module are connected with a data bus, a control bus and an address bus in a bidirectional control mode in parallel, and the position feedback module and the speed feedback module are connected with the data bus, the control bus and the address bus in a bidirectional control mode in parallel; the structure, control mode and connection mode of the U-axis feeding servo system, the Y-axis feeding servo system, the Z-axis feeding servo system, the W-axis feeding servo system, the A-axis feeding servo system and the V-axis feeding servo system are the same as those of the X-axis feeding servo system. The X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system, the Z-axis feeding servo system, the W-axis feeding servo system, the A-axis feeding servo system and the V-axis feeding servo system are all semi-closed loop feeding servo systems.

The A/D module is a module for converting analog signals into digital signals; the D/A module is a module for converting digital signals into analog signals.

The servo control unit of the apparatus comprises 8 servo motors. The X-axis feeding servo system and the U-axis feeding servo system drive the two clamping devices to move and are coupling shafts which can move independently and synchronously. The servo axes driving the upper and lower independent heads to move along the beam are Y and W, and the servo axes move independently.

The Z-axis feeding servo system and the A-axis feeding servo system drive the upper machine head and the lower machine head to move vertically respectively, and the upper machine head and the lower machine head move independently. The Y-axis feeding servo system and the W-axis feeding servo system respectively drive the upper machine head and the lower machine head to move along the direction of the cross beam, and the upper machine head and the lower machine head move independently. The shaft feeding servo system drives the side leaning block to move along the direction of the cross beam and independently move.

The CNC controller is connected with all feeding servo systems through a Mechatrolink-II field bus, and the fastest speed is 10 Mbit/s.

The servo motor of the feed servo system is connected to a gear, a lead screw, or the like, and converts a rotational motion into a linear displacement of the moving member through these mechanical transmission mechanisms, thereby indirectly controlling the moving speed and the displacement of the moving member. This structure is called "semi-closed loop control" because only the angular displacement of the motor is closed-loop controlled and the final output linear displacement is not closed-loop controlled. The semi-closed loop feeding servo system is simple in structure, convenient to debug, high in equipment stability and high in precision, the machining precision of the semi-closed loop feeding servo system can be within 0.02mm and exceeds the machining precision of the woodworking standard by 0.1mm, and the precision requirement of wood machining can be completely met.

As shown in fig. 4, the upper machine head control unit includes an electric spindle driving unit, an electric spindle lifting control unit, a drill driving unit, and a plurality of drill units, which are connected in parallel with a data bus, a control bus, and an address bus connected to the CNC controller for bidirectional control.

The drill bit driving unit comprises a three-phase motor, a motor driving device, an A/D module and a D/A module, wherein the A/D module and the D/A module are connected with a data bus, a control bus and an address bus in a bidirectional control and parallel mode, the motor driving device is connected with the A/D module and the D/A module in a bidirectional control and series mode, the three-phase motor is connected with the motor driving device in a unidirectional control and series mode, and the motor driving device controls the three-phase motor in a unidirectional mode.

The structure, control mode and connection mode of the electric spindle driving unit and the drill bit driving unit are the same, and a motor driving device of the electric spindle driving unit is a frequency converter installed in an electrical cabinet.

The electric spindle lifting control unit comprises an I/O module, an electromagnetic valve, a double-acting air cylinder with a built-in magnetic ring and two sensors arranged along the axial direction of the air cylinder; the I/O module is connected with the data bus, the control bus and the address bus in a bidirectional control and parallel mode, the electromagnetic valve is connected with the I/O module in a unidirectional control and series 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 and series mode, the electromagnetic valve controls the air cylinder in a unidirectional mode, the two sensors are connected with the I/O module in a unidirectional control and parallel mode, and the sensors control the I/O module in a unidirectional mode.

The drill bit unit comprises an I/O module, an electromagnetic valve and a cylinder; the I/O module is connected with the data bus, the control bus and the address bus in a bidirectional control parallel mode, the electromagnetic valve is connected with the I/O module in a unidirectional control series 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 series mode, and the electromagnetic valve controls the air cylinder in a unidirectional mode.

The upper machine head is driven by a Y-axis feeding left servo system and a Z-axis feeding left servo system and is provided with a routing processing device and a drilling processing device.

The routing processing device is controlled by a CNC control system driving motor driving device, and the functions of speed regulation and forward and backward rotation are achieved. The plate can be processed by edge following, milling, space carving and the like.

The electric main shaft is provided with a lifting cylinder, when the electric main shaft needs to be used, the cylinder extends out, so that the electric main shaft cutter is positioned at a lowest set position (lower than a drill bit of a drilling machining device) to avoid the interference of the drill bit on the drilling machining device and a plate when the electric main shaft cutter is machined. The action of the air cylinder is finished by reading an NC command through the CNC controller and sending a signal to the electromagnetic valve through the control bus to control the action of the electromagnetic valve. The lifting of the routing processing device is driven by the cylinder, so that the mutual interference of the electric spindle cutter and the drill bit of the drilling processing device can be avoided during processing, the lifting cylinder is a double-acting cylinder with a built-in magnetic ring, and two sensors are arranged along the axis direction of the cylinder, so that the routing processing device can only stop at the upper position and the lower position which are set under the driving of the lifting cylinder, the action is reliable, the mutual interference of the electric spindle cutter and the drill bit of the drilling processing device can be completely avoided, and the lifting driving unit has simple structure and low cost.

As shown in fig. 5, the lower head control unit includes an electric spindle driving unit, an electric spindle lifting control unit, a drill driving unit, and a plurality of drill units, which are connected in parallel with a data bus, a control bus, and an address bus connected to the CNC controller for bi-directional control.

The structure, control mode and connection mode of the electric spindle driving unit and the electric spindle driving unit of the upper machine head are the same.

The structure, the control mode and the connection mode of the electric spindle lifting control unit and the electric spindle lifting control unit of the upper machine head are the same.

The structure, the control mode and the connection mode of the drill bit driving unit and the drill bit driving unit of the upper machine head are the same.

The structure, the control mode and the connection mode of the drill bit unit and the drill bit unit of the upper machine head are the same.

The lower machine head comprises a W-axis feeding servo system, an A-axis feeding servo system, a manual tool changing routing and milling device and a drilling device.

The drilling machining device drives the three-phase motor through the control system to achieve the function of positive rotation, 9 vertical drills are arranged on the drilling machining device, and vertical drilling machining can be conducted on the bottom surface of the plate, so that the defect that an upper machine head cannot machine hole positions on the bottom surface of the plate is overcome, and the effect of six-surface machining is achieved really.

The routing processing device can perform linear edge following and grooving processing in the front-back direction and the left-right direction on the bottom surface of the plate, and the defect that the upper machine head cannot perform grooving on the bottom surface of the plate is overcome.

As shown in fig. 6, the material clamping control unit includes an X material clamping control unit and a U 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 data bus, the control bus and the address bus in a bidirectional control and parallel mode, the electromagnetic valve is connected with the I/O module in a unidirectional control and series 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 U clamping control unit and the X clamping control unit have the same structure, control mode and connection mode.

The double-clamp device is driven by servo motors of the X-axis feeding servo system and the U-axis feeding servo system, and the opening and closing actions of the clamp device are executed by controlling the electromagnetic valve through the I/O module.

The double-clamp device is as flexible as the hands of a person, servo motors on the two clamp devices can clamp and release the plate through executing the command of the CNC controller and controlling the electromagnetic valve through the I/O module, and the plate is fed according to the required functions. The double clamp device has a feed motion when a horizontal hole and a groove in the front, rear, left and right directions are processed on a plate. The plate can be milled by X, U-axis feeding movement of the double-clamp device and Y-axis feeding movement of the upper machine head.

Through CNC controller drive X axle feeding servo, U axle feeding servo's servo motor execution instruction, two clamping device can interfere the protection, when guaranteeing normal processing, clamping device can dodge automatically each other, and dodge the action to the drill bit etc.. The two clamping devices are also responsible for carrying out front discharging or back discharging on the processed plate.

As shown in fig. 7, the discharging table control unit includes a discharging table driving unit, a discharging table brush control unit, and a discharging table stop position control unit, which are connected in parallel with the data bus, the control bus, and the address bus, which are connected to the CNC controller, in a bidirectional control manner.

The discharging table driving unit comprises a three-phase motor, a motor driving device, an A/D module and a D/A module, the A/D module and the D/A module are connected with a data bus, a control bus and an address bus in a bidirectional control parallel mode, the motor driving device is connected with the A/D module and the D/A module in a bidirectional control series mode, the three-phase motor is connected with the motor driving device in a unidirectional control series mode, and the motor driving device controls the three-phase motor in a unidirectional mode.

The discharging table brush control unit comprises an I/O module, an electromagnetic valve and a brush; the I/O module is connected with the data bus, the control bus and the address bus in a bidirectional control and parallel mode, the electromagnetic valve is connected with the I/O module in a unidirectional control and series mode, the I/O module controls the electromagnetic valve in a unidirectional control mode, the brush is connected with the electromagnetic valve in a unidirectional control and series mode, and the electromagnetic valve controls the brush in a unidirectional mode.

The discharging table stop position control unit comprises an I/O module and a photoelectric sensing switch; the I/O module is connected with the data bus, the control bus and the address bus in a bidirectional control and parallel mode, the photoelectric sensing switch is connected with the I/O module in a unidirectional control and series mode, and the photoelectric sensing switch controls the I/O module in a unidirectional mode.

The discharging table unit is driven by a three-phase motor and drives a row of brushes by an I/O driving electromagnetic valve cylinder.

When the clamping devices feed the plate out of the upper part of the discharging table, the controller instructs the I/O to drive the two clamping devices to be loosened, and then the servo motor drives the two clamping devices to move back to a safe position. The brush above the I/O instruction discharging platform descends to enable the plate to be in contact with the surface of the roller of the discharging platform, and the control system drives the three-phase motor to drive the discharging platform to rotate so as to enable the plate to discharge outwards. When the plate is discharged to the inductive switch above the stop position of the discharging table, the inductive switch controls the three-phase motor to stop rotating through the I/O signal, and the plate just stops at the outermost side of the discharging table to be taken away by a worker.

As shown in fig. 8, the control system further includes an industrial personal computer; the communication unit comprises an EtherCAT bus and an Ethernet which are connected with the CNC in a bidirectional control and series mode; the I/O module is connected with the CNC controller in series in a bidirectional control mode through an EtherCAT bus; the industrial personal computer is in bidirectional control serial connection with the CNC controller through the Ethernet; the factory local area network is connected with the industrial personal computer in series through Ethernet bidirectional control.

EtherCAT (Ethernet for Control Automation technology) is a real-time industrial field bus communication protocol based on the development framework of Ethernet.

The numerical control system adopts a mode of combining various buses, and besides EtherCAT, the numerical control system also has an industrial Ethernet protocol. By adopting EtherCAT, the method has the advantages of high performance, flexible topological structure, easy application, low cost, high-precision equipment synchronization, selectable cable redundancy, functional safety protocol, hot plug and the like.

The industrial personal computer is provided with two network cards, one network card is connected with the CNC controller through the Ethernet, so that the communication of a human-computer interface is realized, and a user can intuitively and simply control equipment through the industrial personal computer; and the other network card can be accessed to the local area network of the user and shares the processing information with the server of the user.

As shown in fig. 9, the man-machine interface unit includes a button board control unit, a hand pulse generator unit, a keyboard control unit, a display control unit, and a scanning gun control unit, which are connected in parallel with the industrial personal computer, and are connected in parallel with the data bus, the control bus, and the address bus of the CNC controller.

The button plate control unit comprises an I/O module and a button plate; the I/O module is connected with a data bus, a control bus and an address bus which are connected with the CNC controller in a bidirectional control parallel connection mode, and the button board is connected with the I/O module in a bidirectional control series connection mode.

The hand-operated pulse generator unit comprises a hand-operated pulse generator interface and a hand-operated pulse generator; the hand-operated pulse generator is connected with the hand-operated pulse generator interface in a unidirectional control series manner, and the hand-operated pulse generator interface is controlled by the hand-operated pulse generator in a unidirectional manner; the interface of the hand pulse generator is connected with the data bus, the control bus and the address bus which are connected with the CNC controller in a one-way control and parallel connection mode, and the interface of the hand pulse generator controls the CNC controller in a one-way control mode.

The keyboard control unit comprises a keyboard interface and a keyboard; the keyboard is connected with the keyboard interface in a unidirectional control series connection way; the keyboard interface is connected with the industrial personal computer in a one-way control parallel mode and controls the industrial personal computer in a one-way mode.

The display control unit comprises a display and a display interface; the display is connected with the display interface in a unidirectional control series mode, and the display interface controls the display in a unidirectional mode; the display interface is connected with the industrial personal computer in parallel in a one-way control mode, and the industrial personal computer controls the display interface in a one-way mode.

The scanning gun control unit comprises a scanning gun and a scanning gun interface; the scanning gun is connected with the scanning gun interface in a unidirectional control series mode, and the scanning gun interface is controlled in a unidirectional mode; the scanning gun interface is connected with the industrial personal computer in parallel in a one-way control mode, and the industrial personal computer is controlled in a one-way mode by the scanning gun interface.

The CNC controller is connected with the I/O module through a data bus, the control panel is connected with the I/O module, and a user can control the equipment through various buttons on the control panel.

The controller is connected with the hand wheel pulse generator through a data bus, and a user can manually control the movement of the servo shaft of the equipment through the hand wheel.

The controller is connected with an industrial personal computer through Ethernet, control software is installed on the industrial personal computer, and a user can draw, program or further operate equipment through equipment such as a keyboard, a mouse and the like.

The utility model discloses a new generation industrial control computer technology. The PXI Express bus technology is used as a core, a WinCE 6.0 operating system and a graphic programming language can be used, rich external interfaces and plug and play functions are provided, and key technologies of a new generation of high-availability industrial control computer with high safety and strong fault tolerance capability and the like can be formed.

Example 3

As shown in fig. 10, unlike embodiment 2, the lower head control unit includes a drill driving unit and a plurality of drill units connected in parallel with a bus bi-directional control connected to a CNC controller.

Example 4

As shown in fig. 11 to 13, the control system of the numerical control device further includes a CNC controller, a bus connected to the CNC controller, a servo control unit, a machine head control unit, a material clamping control unit, a man-machine interaction interface unit, and a communication unit, which are connected in parallel with the bus for bidirectional control. The machine head control unit comprises an electric spindle driving unit, an electric spindle lifting control unit, a drill bit driving unit and a plurality of drill bit units, wherein the electric spindle driving unit, the electric spindle lifting control unit, the drill bit driving unit and the drill bit units are connected in parallel with the bus bidirectional control connected with the CNC controller.

The servo control unit comprises an X-axis feeding servo system for driving the X clamp device to slide back and forth along the direction vertical to the beam and a U-axis feeding servo system for driving the U clamp device to slide back and forth along the direction vertical to the beam; the Y-axis feeding servo system drives the engraving and milling device and the drilling device of the machine head to synchronously slide back and forth along the cross beam, and the Z-axis feeding servo system drives the engraving and milling device and the drilling device of the upper machine head to synchronously slide back and forth up and down; the X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system and the Z-axis feeding servo system are connected in parallel with a bus bidirectional control connected with the CNC controller.

Above, it is only the preferred embodiment of the present invention, not to limit the present invention in any form, although the present invention has been disclosed with the preferred embodiment, but not to limit the present invention, those skilled in the art can make modifications or equivalent embodiments with equivalent changes when using the above disclosed technical content without departing from the technical scope of the present invention, but all the modifications, substitutions, improvements and the like made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical scheme of the present invention.

Claims

1. The utility model provides a numerical control equipment's material clamping control unit which characterized in that: the automatic feeding device comprises an X clamping control unit and a U clamping control unit which are connected with a bus connected with a CNC controller;

the X material clamping control unit comprises an I/O module, an electromagnetic valve and an air cylinder; the I/O module is connected with a bus bidirectional control parallel connection of a CNC controller, the electromagnetic valve is connected with the I/O module unidirectional control series connection, the I/O module unidirectional control electromagnetic valve, the cylinder is connected with the electromagnetic valve unidirectional control, and the electromagnetic valve unidirectional control cylinder;

the U clamping control unit and the X clamping control unit have the same structure, control mode and connection mode.

2. A control system of a numerical control apparatus including the material clamping control unit according to claim 1, characterized in that: the control system of the numerical control equipment further comprises a CNC controller, a bus connected with the CNC controller, a servo control unit, a machine head control unit, a man-machine conversation interface unit and a communication unit, wherein the servo control unit, the machine head control unit, the man-machine conversation interface unit and the communication unit are connected with the bus in parallel in a bidirectional control mode.

3. The control system of a numerical control apparatus according to claim 2, characterized in that:

the machine head control unit comprises an electric spindle driving unit, an electric spindle lifting control unit, a drill bit driving unit and a plurality of drill bit units, wherein the electric spindle driving unit, the electric spindle lifting control unit, the drill bit driving unit and the drill bit units are connected in parallel with a bus which is connected with a CNC (computerized numerical control) controller in a bidirectional control mode;

the servo control unit comprises an X-axis feeding servo system for driving the X clamp device to slide back and forth along the direction vertical to the beam and a U-axis feeding servo system for driving the U clamp device to slide back and forth along the direction vertical to the beam; the Y-axis feeding servo system drives the engraving and milling device and the drilling device of the machine head to synchronously slide back and forth along the cross beam, and the Z-axis feeding servo system drives the engraving and milling device and the drilling device of the upper machine head to synchronously slide back and forth up and down;

the X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system and the Z-axis feeding servo system are connected in parallel with a bus bidirectional control connected with the CNC controller.

4. The control system of a numerical control apparatus according to claim 2, characterized in that:

the machine head control unit comprises an upper machine head control unit and a lower machine head control unit;

the upper machine head control unit comprises an electric spindle driving unit, an electric spindle lifting control unit, a drill bit driving unit and a plurality of drill bit units, wherein the electric spindle driving unit, the electric spindle lifting control unit, the drill bit driving unit and the plurality of drill bit units are connected in parallel with the bus bidirectional control connected with the CNC controller;

the lower machine head control unit comprises an electric spindle driving unit, an electric spindle lifting control unit, and/or a drill bit driving unit and a plurality of drill bit units which are connected in parallel with the bus bidirectional control connected with the CNC controller;

the servo control unit comprises an X-axis feeding servo system for driving the X clamp device to slide back and forth along the direction vertical to the beam and a U-axis feeding servo system for driving the U clamp device to slide back and forth along the direction vertical to the beam; the system comprises a Y-axis feeding servo system, a Z-axis feeding servo system, a W-axis feeding servo system, an A-axis feeding servo system and a V-axis feeding servo system, wherein the Y-axis feeding servo system drives a routing processing device and a drilling processing device of an upper machine head to synchronously slide back and forth along a cross beam;

the X-axis feeding servo system, the U-axis feeding servo system, the Y-axis feeding servo system, the Z-axis feeding servo system, the W-axis feeding servo system, the A-axis feeding servo system and the V-axis feeding servo system are connected in parallel with bus bidirectional control connected with a CNC controller.

5. The control system of a numerical control apparatus according to claim 3 or 4, characterized in that:

the drill bit driving unit comprises a three-phase motor, a motor driving device, an A/D module and a D/A module, wherein the A/D module and the D/A module are connected with a bus in a bidirectional control and parallel mode;

the drill bit unit comprises an I/O module, an electromagnetic valve and a cylinder; the I/O module is connected with the 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 cylinder is connected with the electromagnetic valve in series in a unidirectional control mode, and the electromagnetic valve controls the cylinder in a unidirectional mode; the electric spindle lifting control unit comprises an I/O module, an electromagnetic valve, a cylinder and two sensors which are arranged along the axial direction of the cylinder; the I/O module is connected with the bus in a bidirectional control and parallel mode, the electromagnetic valve is connected with the I/O module in a unidirectional control and series 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 and series mode, the electromagnetic valve controls the air cylinder in a unidirectional mode, the two sensors are connected with the I/O module in a unidirectional control and parallel mode, and the sensors control the I/O module in a unidirectional mode; the cylinder of the electric spindle lifting control unit is a double-acting cylinder with a built-in magnetic ring.

6. The control system of a numerical control apparatus according to claim 3 or 4, characterized in that: the X-axis feeding servo system comprises an A/D module and a D/A module which are controlled in a bidirectional mode and connected in series in sequence, a servo driving device, a servo motor, a position detection device and a speed detection device, and a position feedback module and a speed feedback module, wherein the A/D module and the D/A module are connected with a bus in a bidirectional control mode in parallel, and the position feedback module and the speed feedback module are connected with the bus in a bidirectional control mode in parallel;

7. The control system of a numerical control apparatus according to claim 3 or 4, characterized in that:

the system also comprises an industrial personal computer; the communication unit comprises an EtherCAT bus and an Ethernet which are connected with the CNC in a bidirectional control and series mode;

the I/O module is connected with the CNC controller in series in a bidirectional control mode through an EtherCAT bus; the industrial personal computer is in bidirectional control serial connection with the CNC controller through the Ethernet; the factory local area network is connected with the industrial personal computer in series through Ethernet bidirectional control.

8. The control system of a numerical control apparatus according to claim 3 or 4, characterized in that:

the man-machine conversation interface unit comprises a button plate control unit, a hand-operated pulse generator unit, a keyboard control unit, a display control unit and a scanning gun control unit, wherein the button plate control unit and the hand-operated pulse generator unit are connected with a bus which is connected with a CNC (computerized numerical control) controller in a bidirectional control and parallel mode;

the display control unit comprises a display and a display interface; the display is connected with the display interface in a unidirectional control series mode, and the display interface controls the display in a unidirectional mode; the display interface is connected with the one-way control of the industrial personal computer in parallel, and the industrial personal computer controls the display interface in one way;

9. The control system of a numerical control apparatus according to claim 3 or 4, characterized in that: the control system of the numerical control equipment also comprises a discharge table control unit;

10. A control system of a numerical control apparatus according to claim 2, characterized in that:

the bus comprises a data bus, a control bus and an address bus;

a plurality of standardized CNC controller interfaces are arranged on the CNC controller; the servo control unit, the machine head control unit, the material clamping control unit, the man-machine conversation interface unit and the communication unit are modules which are combined by an open type and modular structure; the standard connector matched with the CNC controller interface is arranged and can be connected with the CNC controller interface in a bidirectional control parallel mode.