CN210282603U

CN210282603U - Vertical shaft milling device, machine head and control system of numerical control equipment

Info

Publication number: CN210282603U
Application number: CN201920189126.6U
Authority: CN
Inventors: 赵莉莉; 邱宇; 赖正友; 林旺南
Original assignee: Nanxing Machinery Co Ltd
Current assignee: Nanxing Machinery Co Ltd
Priority date: 2019-02-04
Filing date: 2019-02-04
Publication date: 2020-04-10
Anticipated expiration: 2029-02-04

Abstract

A vertical shaft milling device, a machine head and a control system of numerical control equipment comprise a vertical shaft milling spindle, a vertical shaft milling spindle driving device, a vertical shaft milling spindle mechanical transmission mechanism, a vertical shaft milling mounting seat and a cutter beating mechanism for controlling the vertical shaft milling spindle to loosen and clamp a cutter; the machine head comprises a large sliding seat assembly, a routing machining device, a routing milling cutter library device and/or a horizontal milling machining device; the routing machining device comprises a routing sliding seat, a routing electric spindle and a routing lifting mechanism; the horizontal milling device comprises a horizontal milling slide seat, a horizontal milling main shaft driving device, a horizontal milling lifting mechanism, a horizontal milling main shaft steering mechanism and a horizontal milling main shaft positioning mechanism, wherein the horizontal milling main shaft steering mechanism and the horizontal milling main shaft positioning mechanism control the horizontal milling main shaft to rotate from a 0-degree position to a 90-degree position; the control system comprises a vertical shaft milling spindle driving unit, a vertical shaft milling lifting control unit and a knife striking mechanism control unit; the processing device has the advantages that the processing devices cannot interfere with each other, can realize various processing such as routing, milling, planing, drilling and the like, and can process the curved surface of a workpiece; the method has the advantages of universality, high compatibility and strong portability.

Description

Vertical shaft milling device, machine head and control system of numerical control equipment

Technical Field

The utility model belongs to the technical field of the digit control machine tool of carpenter and analog and specifically relates to a vertical scroll that has functions such as plane round pin and has high-grade numerical control system's large-scale accurate numerical control equipment mills processingequipment, aircraft nose and control system.

Background

For solid wood processing, a workpiece needs to be hollowed by a hollow milling device or equipment, and the workpiece needs to be processed in multiple angles such as sawing, side milling, drilling and the like by a pressing planing device or a planing device or equipment.

The invention discloses a multifunctional solid wood processing device for milling and planing, which is disclosed in patent number 201810127805.0 and published as 2018, 7, month and 3, and comprises a base, wherein a workbench and a beam frame are fixedly arranged on the base, a sliding plate which freely slides along the direction of the beam frame is arranged on the beam frame, and a routing module, a vertical shaft milling module and an indexable horizontal milling module are fixedly arranged on the sliding plate; the routing module comprises a routing main shaft, a main shaft lifting cylinder and a routing tool magazine, wherein the routing tool magazine is a swinging automatic tool changing tool magazine; the vertical shaft milling module comprises a vertical milling lifting cylinder, a vertical milling spindle motor and a vertical milling spindle; the indexable horizontal milling module comprises a horizontal milling main shaft and a horizontal milling motor; the indexable horizontal milling module can complete rotation from 0-degree position to 90-degree position, can perform multi-angle processing, and can clamp various cutters such as milling cutters, saw blades, drill bits and the like.

Although the invention has the engraving and milling module which is provided with a swinging automatic tool changing magazine and can automatically change tools, the numerical control engraving and milling function is realized, and the traditional manual tool changing engraving and milling machine is replaced; however, the tool changing magazine is a swinging automatic tool changing magazine, and the tool changing magazine is easy to shake left and right, so that the tool cannot be accurately gripped and changed, and the tool changing magazine is easy to damage.

The invention also discloses a vertical shaft milling module (vertical planer), and the numerical control vertical shaft milling replaces the traditional double-shaft milling and single-shaft milling, but does not disclose a specific structure. The numerical control vertical shaft milling machine does not have the functions of automatic tool loosening and clamping, manual tool loosening and clamping are needed, and tool changing is very inconvenient.

The invention also discloses a multifunctional indexable horizontal milling module, but does not disclose a specific structure. The multifunctional indexable horizontal milling module can complete rotation from a 0-degree position to a 90-degree position, process at multiple angles, can clamp various cutters such as a milling cutter, a saw blade, a drill bit and the like, realize multifunctional processing and cutting, and replace the functions of traditional thicknessing and planing.

Particularly, the routing module, the vertical shaft milling module and the indexable horizontal milling module are fixedly arranged on a sliding plate sliding along the cross beam, the routing module comprises a main shaft lifting cylinder, and the vertical shaft milling module comprises a vertical milling lifting cylinder, so that the routing module, the vertical shaft milling module and the indexable horizontal milling module cannot integrally move up and down together, the Z-axis feeding motion cannot be realized, and the machining cannot be realized.

In addition, the present invention does not disclose a specific processing method and a control system. Because the milling module, the vertical shaft milling module, the indexable horizontal milling module, the swinging automatic tool changer and the indexable horizontal milling module are involved, various processing functions such as rotation from a 0-degree position to a 90-degree position and various motions can be completed, and how to move and how to realize the motions through the control system needs much creative labor for technicians in the field. 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, a vertical scroll of numerical control equipment mills processingequipment is provided, can realize automatic pine sword and press from both sides the sword, and simple structure, simple to operate.

The to-be-solved second technical problem is to provide a aircraft nose of numerical control equipment, the numerical control vertical scroll that has ability automatic unclamping and press from both sides the sword function mills, and has can automatic tool changing, and is difficult for appearing rocking and the accurate fretwork device of milling of grabbing sword and tool changing when the tool changing, and machining efficiency is high, stable good, the precision is high, the security is high and the processing work piece precision is high.

The to-be-solved technical problem of the utility model is to provide a aircraft nose of numerical control equipment, the numerical control vertical scroll that has ability automatic unclamping and press from both sides the sword function mills, and has simple structure, simple to operate, high, the stable processingequipment that mills crouches of high, the stability, and machining efficiency is high, stable good, the precision is high, the security is high and the processing work piece precision is high.

The to-be-solved fourth technical problem of the utility model is, provide a control system of numerical control equipment's aircraft nose, this control system uses bus technology as the core, has the security height, fault-tolerant ability reinforce, high-efficient, stable, the precision is high, can realize that the numerical control digs, presss from both sides functions such as automatic double-layered sword and loose sword function.

In order to achieve the purpose, the following technical scheme is adopted in the patent:

a vertical shaft milling device of numerical control equipment comprises a vertical shaft milling main shaft, a vertical shaft milling main shaft driving device, a vertical shaft milling main shaft mechanical transmission mechanism, a vertical shaft milling mounting seat and a cutter beating mechanism for controlling the loosening and clamping of the vertical shaft milling main shaft; the vertical shaft milling spindle, the vertical shaft milling spindle driving device, the vertical shaft milling spindle mechanical transmission mechanism and the knife beating mechanism are arranged on the vertical shaft milling mounting seat.

As an improvement of the first scheme, the unclamping mechanism comprises a unclamping cylinder seat and a unclamping cylinder; the tool beating cylinder is fixed on a tool beating cylinder seat, the tool beating cylinder seat is fixed on a vertical shaft milling mounting seat, and the tool beating cylinder is connected with one end of a vertical shaft milling main shaft.

As an improvement of the first scheme, the vertical shaft milling spindle driving device comprises a vertical shaft milling spindle driving motor; the vertical shaft milling spindle mechanical transmission mechanism comprises a synchronous belt, a main synchronous belt pulley and a secondary synchronous belt pulley; a containing hole is arranged on the vertical shaft milling mounting seat;

a motor shaft of a driving motor of the vertical shaft milling spindle is connected with a main synchronous belt pulley, and a secondary synchronous belt pulley and the vertical shaft milling spindle are coaxially arranged and accommodated in the accommodating hole; the synchronous belt is arranged outside the primary synchronous belt wheel and the secondary synchronous belt wheel; the vertical shaft milling spindle driving motor is installed on the vertical shaft milling installation seat.

As an improvement of the third scheme, the vertical shaft milling mounting seat comprises a mounting seat main body, a main shaft mounting seat and a side fixing plate arranged on the side surface of one side of the mounting seat main body; the containing hole is arranged in the mounting seat main body, and a clearance round through hole of a clearance vertical shaft milling main shaft is arranged at the bottom of the containing hole; the main shaft mounting seat comprises a main shaft mounting ring which is arranged on the bottom surface of the mounting seat main body and is coaxial with the clearance circular through hole; the vertical shaft milling spindle driving device is arranged on the mounting seat main body; the upper end of the vertical shaft milling spindle penetrates through the spindle mounting ring and the clearance circular through hole to be mounted with the secondary synchronous belt pulley.

As an improvement of the first scheme, the device also comprises a vertical shaft milling sliding seat, a vertical shaft milling lifting mechanism for controlling the vertical shaft milling sliding seat to lift in the Z direction, and two sensors; the vertical shaft milling lifting mechanism comprises a vertical shaft milling lifting cylinder arranged on a Z-direction large sliding seat, two Z-direction guide rails fixed on the Z-direction large sliding seat, and Z-direction sliding blocks fixed on the vertical shaft milling sliding plate and respectively matched with the two Z-direction guide rails; the lower end of a piston rod of the vertical shaft milling lifting cylinder is connected to a vertical shaft milling sliding plate; the vertical shaft milling lifting cylinder is a double-acting cylinder with a built-in magnetic ring, and the two sensors are installed along the axis direction of the cylinder.

The machine head of the numerical control equipment further comprises a large sliding seat assembly, a routing machining device and a routing milling cutter library device;

the large sliding seat assembly comprises a large sliding seat;

the routing machining device comprises a routing sliding seat capable of lifting relative to a large sliding seat, a Z-direction routing electric spindle arranged on the routing sliding seat, and a routing lifting mechanism for controlling the routing sliding seat to lift on the large sliding seat;

the routing milling cutter library device is arranged on the large sliding seat, and the routing milling cutter library device is matched with the routing machining device to realize automatic cutter changing; the engraving and milling cutter library device comprises a cutter library mounting seat fixed with the large sliding seat, a supporting frame, a cutter disc mounted on the supporting frame and a cutter disc moving mechanism used for driving the cutter disc to move in the Y direction; the tool magazine mounting seat comprises a square tubular Y-direction mounting bar and a fixing frame fixed on one side, facing the routing electric spindle, of the Y-direction mounting bar; the support frame is arranged on one side of the Y-direction mounting strip facing the routing electric spindle; the fixed frame is fixed on the large sliding seat;

the cutter head moving mechanism comprises an air cylinder fixed on the top surface of the Y-direction mounting strip and a guide mechanism arranged between the Y-direction mounting strip and the support frame; the piston rod of the cylinder is fixed with the support frame.

The machine head of the numerical control equipment further comprises a large sliding seat assembly and a horizontal milling device;

the large sliding seat assembly comprises a large sliding seat;

the horizontal milling device comprises a horizontal milling sliding seat, a horizontal milling main shaft driving device, a horizontal milling main shaft mechanical transmission mechanism and a horizontal milling main shaft steering mechanism for controlling the horizontal milling main shaft to rotate from a 0-degree position to a 90-degree position; the horizontal milling main shaft driving device, the horizontal milling main shaft mechanical transmission mechanism and the horizontal milling main shaft are arranged on the horizontal milling main shaft steering mechanism; the horizontal milling device also comprises a horizontal milling mounting seat; the horizontal milling spindle steering mechanism comprises a rotating seat and a rotating seat driving mechanism for driving the rotating seat to rotate from a 0-degree position to a 90-degree position; the rotary seat driving mechanism is arranged on the horizontal milling mounting seat, and the rotary seat is rotatably arranged on the horizontal milling mounting seat; the horizontal milling main shaft is arranged on the rotating seat, and the horizontal milling main shaft driving device is arranged together with the rotating seat;

the horizontal milling main shaft driving device comprises a horizontal milling main shaft driving motor;

the horizontal milling spindle mechanical transmission mechanism comprises a driving belt wheel, a driven belt wheel and a belt;

the horizontal milling mounting seat comprises a horizontal milling fixing seat and a steering mounting seat, and the steering mounting seat is fixed on one side of the horizontal milling fixing seat; the rotating seat driving mechanism comprises a rotary cylinder and a driving shaft; a shaft mounting hole is formed in the steering mounting base; the rotary cylinder is arranged at the top of the steering mounting seat; the driving shaft is rotatably arranged in a shaft mounting hole of the steering mounting seat, the upper end of the driving shaft is connected with the rotary cylinder, and the lower end of the driving shaft is fixed with the rotary seat; the horizontal milling main shaft positioning mechanism is arranged between the steering mounting seat and the rotating seat;

the rotary seat comprises a horizontal supporting part, and a first mounting part and a second mounting part which are arranged at the bottom of the horizontal supporting part and are vertical to each other; a first through hole matched with the horizontal milling main shaft is formed in the first mounting part, and a second through hole matched with the horizontal milling main shaft is formed in the second part; one end of the horizontal milling main shaft penetrates through the first through hole, and the other end of the horizontal milling main shaft penetrates through the second through hole and is rotatably installed with the rotating seat;

the lower end of the horizontal milling main shaft is fixed with a horizontal supporting part of the rotating seat; a horizontal milling spindle driving motor is installed together with the rotary seat; the driving belt wheel and an output shaft of the horizontal milling spindle driving device are coaxially arranged, the driven belt wheel is arranged on the horizontal milling spindle, and the belt is arranged outside the driving belt wheel and the driven belt wheel; the horizontal milling device also comprises a horizontal cutter arranged in the middle of the horizontal milling main shaft, a first horizontal drilling cutter arranged at one end of the horizontal milling main shaft, and a second horizontal drilling cutter arranged at the other end of the horizontal milling main shaft, wherein one end of the horizontal milling main shaft penetrates through the first through hole, and the other end of the horizontal milling main shaft penetrates through the second through hole and is arranged together with the rotating seat through a bearing; the driven belt wheel is arranged between the rotating seat and the second horizontal drilling tool.

A control system of a machine head of numerical control equipment of a vertical shaft milling device comprises a machine head control unit which is connected with a data bus and a control bus which are connected with a CNC controller in a bidirectional control and parallel manner;

the machine head control unit comprises a vertical shaft milling spindle driving unit, a vertical shaft milling lifting control unit and a knife striking mechanism control unit which are connected with a data bus and a control bus which are connected with a CNC (computerized numerical control) controller in a bidirectional control and parallel manner;

the vertical shaft milling spindle driving unit comprises a 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 and a control bus in a bidirectional control and parallel mode;

the vertical shaft milling 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 and the control 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 knife striking mechanism control unit comprises a double-acting air cylinder with a built-in magnetic ring, a sensor arranged on the air cylinder, an electromagnetic valve and an I/O module; the I/O module is connected with the data bus and the control 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 sensor is connected with the I/O module in a unidirectional control and series mode, and the sensor controls the I/O module in a unidirectional mode.

A CNC (numerically controlled machine) controller refers to a program control system of a computer numerically controlled machine tool (computer numerical control). 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 I/O module is an input/output module.

As an improvement of the eighth scheme, the machine head further comprises a routing machining device and a routing library device;

the control system of the machine head also comprises a routing electric spindle driving unit, a routing lifting control unit, a cutter head movement control unit, a horizontal milling spindle driving unit, a horizontal milling lifting control unit, a horizontal milling spindle steering control unit and a horizontal milling spindle positioning control unit which are connected with a data bus and a control bus which are connected with the CNC controller in a bidirectional control manner;

the structure, the control mode and the connection mode of the routing electric spindle driving unit and the vertical shaft milling spindle driving unit are the same;

the horizontal milling spindle driving unit comprises a motor, a thermal relay, a contactor and an I/O module, wherein the I/O module is connected with a data bus and a control bus in a bidirectional control and parallel mode, the thermal relay is connected with the I/O module in a bidirectional control and series mode, the contactor is connected with the thermal relay in a bidirectional control and series mode, a three-phase motor is connected with the contactor in a unidirectional control and series mode, and the contactor controls the three-phase motor in a unidirectional mode;

the structure, the control mode and the connection mode of the cutter head movement control unit, the routing lifting control unit, the horizontal milling spindle steering control unit, the horizontal milling spindle positioning control unit and the vertical shaft milling lifting control unit are the same.

As a further improvement of the eighth scheme, the machine head further comprises a routing machining device and a routing library device;

the control system of the machine head also comprises a horizontal milling main shaft driving unit, a horizontal milling lifting control unit, a horizontal milling main shaft steering control unit and a horizontal milling main shaft positioning control unit which are connected with a bus bidirectional control connecting with the CNC controller in parallel;

the structure, the control mode and the connection mode of the horizontal milling lifting control unit, the horizontal milling spindle steering control unit, the horizontal milling spindle positioning control unit and the vertical shaft milling lifting control unit are the same.

The utility model discloses a vertical scroll mills processingequipment's beneficial effect is:

the utility model discloses a processingequipment is milled to vertical scroll (dig immediately), simple structure, simple to operate can realize the vertical scroll planing and mill the function, and has automatic slack sword and press from both sides the sword function, needs artifical tool changing.

The knife beating cylinder realizes knife beating action, and has simple structure and low cost; through the action, the clamping and loosening of the cutter on the vertical shaft milling spindle can be realized, and the cutter changing function is realized manually, so that the cutter changing is convenient.

The vertical shaft milling spindle driving motor drives the vertical shaft milling spindle to rotate through the synchronous belt, the transmission precision is high, the transmission is stable, the speed can be accurately changed, and heavy cutting can be completed. The vertical shaft milling device with the structure not only reduces the cost, but also can adjust the speed of the vertical shaft milling spindle driving motor, can adjust the speed according to the density, hardness and material of solid wood, and ensures the smoothness of the processed solid wood product.

The vertical shaft milling mounting seat with the structure has the advantages of simple structure, convenience in machining, low cost and good stress.

All processing devices are provided with a double-acting lifting cylinder with a built-in magnetic ring, two sensors are arranged along the axial direction of the lifting cylinder, and a cylinder shaft of the lifting cylinder of a processing device which does not need to be processed retracts, so that a cutter of the processing device which does not need to be processed is positioned at the highest set position; the cylinder shaft of the lifting cylinder of the processing device to be processed extends out, so that the cutter of the processing device to be processed is at the lowest set position, and is lower than the other two processing devices, and the cutters of the other two processing devices cannot interfere with a workpiece when the main shaft cutter is processed.

The utility model discloses a beneficial effect of aircraft nose is:

the engraving and milling device of the machine head can perform processing such as edge following, shape milling, space carving and the like on a plate.

The automatic tool changing is realized in the Y direction movement of the hollow milling tool library device, the hollow milling tool library device cannot swing left and right, so that the tool can be accurately grabbed and changed, and the hollow milling tool library device is not easy to damage. In addition, the routing milling cutter library device of the mechanism has the advantages of simple structure, convenience in installation and stability in action.

The horizontal milling device of the machine head can complete rotation from 0-degree position to 90-degree position, can perform multi-angle processing, can clamp various cutters such as milling cutters, drill bits and planing tools, and achieves multifunctional processing and cutting.

The horizontal milling device can rotate 90 degrees, cutting in the X direction and the Y direction is achieved, and the horizontal milling device can be used for determining the direction to process according to the solid wood grain direction. Because the processing direction is consistent with the grain direction of the workpiece, the processed workpiece has high smoothness, and the processing quality is ensured. The horizontal milling device can be simultaneously provided with 3 cutters, wherein one cutter can be provided with a planer tool with the diameter of 125mm and the length of 130mm, the cutting amount is large, and the other two cutters can be drill bits. The structure realizes the function of one-time clamping and processing five surfaces of a workpiece. The horizontal milling device can process complex workpieces, such as side surface grooves, curved surfaces of top surfaces and the like, and realizes product processing diversity, simple and firm structure and low cost. The horizontal milling spindle driving device drives the horizontal milling device through the belt, so that stable transmission, low noise, high transmission power, low cost and convenient maintenance are ensured, and strong cutting force of the horizontal milling device can be ensured.

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

the control system of the numerical control equipment is controlled by using the pulse sequence instruction, only a data bus and a control bus are needed, an address bus is not needed, and the production cost is reduced while the quick response and the processing precision and stability of the equipment are considered.

The control system of the handpiece includes a handpiece control unit, and each module is divided into a plurality of small control units.

The machine head control unit 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 the advantages of universality of hardware and software, high compatibility and strong transportability.

The handpiece control units have independent functions, the handpiece control units can be reused and interchanged in a product family, and the arrangement and combination of 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.

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.

The vertical shaft milling spindle is controlled by a CNC controller through an A/D module and a frequency converter in a D/A module drive electrical cabinet, so that the speed regulation function is achieved. The surfaces around the plate can be processed. In order to realize the functions of clamping and loosening the cutter, the vertical shaft milling spindle is provided with a cutter beating cylinder, a CNC controller reads an NC instruction and sends a signal to an electromagnetic valve through a control bus, the electromagnetic valve drives the cylinder to realize the action of beating the cutter, and through the action, the cutter on the spindle can be dismounted, and the function of changing the cutter manually is realized.

The engraving and milling main shaft is controlled by a CNC controller through an A/D module and a D/A module to drive a frequency converter positioned in an electrical cabinet, so that the functions of speed regulation and forward and reverse rotation are achieved; the plate can be processed by edge following, shape milling, space carving and the like.

The tool magazine structure is that a servo motor of a P-axis feeding servo system drives a cutter disc to rotate, 8 cutters can be placed on the cutter disc, and the tool magazine is provided with an air cylinder and can finish the forward and backward movement, so that the automatic tool changing movement is finished in a matching manner.

And the horizontal milling main shaft is started and stopped by controlling the contactor through the I/O module by the CNC controller. In order to realize the switching of the processing direction of the horizontal milling main shaft, the horizontal milling main shaft is provided with a horizontal milling main shaft steering control unit which controls the horizontal milling main shaft to finish the position from 0 degree to 90 degrees. The CNC controller reads an NC instruction, sends a signal to the electromagnetic valve through the control bus, and controls the cylinder of the horizontal milling spindle steering control unit to rotate for 90 degrees, so that the horizontal milling spindle is controlled to complete rotation from a 0-degree position to a 90-degree position. Meanwhile, in order that the rotated cylinder can keep a stable position in the machining process, a horizontal milling spindle positioning control unit is added and used for locking the position of the current horizontal milling spindle. When the cylinder of the horizontal milling spindle steering control unit rotates to the position, the CNC controller immediately sends an instruction to the electromagnetic valve through the control bus, so that the cylinder of the horizontal milling spindle positioning control unit extends out, and the horizontal milling spindle is locked through the mechanical structure.

All the processing devices are provided with lifting control units, all the lifting control units are provided with a double-acting air cylinder with a built-in magnetic ring, two sensors are arranged along the axial direction of the air cylinder, and an air cylinder shaft of the air cylinder of the processing device which does not need to be processed retracts, so that a cutter of the processing device which does not need to be processed is positioned at the highest set position; the cylinder shaft of the cylinder of the processing device to be processed extends out, so that the cutter of the processing device to be processed is at the lowest set position, and is lower than the other two processing devices, and the cutter of the other two processing devices cannot interfere with a workpiece when the main shaft cutter is processed. The action of the cylinder is to read an NC command through the controller, send a signal to the electromagnetic valve through the control bus and control the action of the electromagnetic valve, thereby completing the lifting of the corresponding main shaft. The main shaft is lifted and lowered by the cylinder, so that the interference of the cutters of other two main shafts with the workpiece during processing can be avoided.

The utility model discloses a numerical control equipment's aircraft nose, except that a vertical scroll mills processingequipment, still can increase the fretwork that automatic tool changing mills processingequipment and/or one can the direction of rotation crouch and mill processingequipment, can provide machining efficiency to wood top surface and four side processing.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is an overall assembled perspective view of embodiment 1 of the present invention.

Fig. 2 is a perspective view of a base according to embodiment 1 of the present invention.

Fig. 3 is a perspective view of a handpiece device according to embodiment 1 of the present invention.

Fig. 4 is a schematic exploded perspective view of a handpiece apparatus according to embodiment 1 of the present invention.

Fig. 5 is a schematic perspective view of a horizontal milling device according to embodiment 1 of the present invention.

Fig. 6 is a schematic perspective exploded view of a horizontal milling device according to embodiment 1 of the present invention.

Fig. 7 is a schematic perspective view of a vertical spindle milling device according to embodiment 1 of the present invention.

Fig. 8 is a three-dimensional exploded view of a vertical spindle milling device according to embodiment 1 of the present invention.

Fig. 9 is a general diagram of a control system according to embodiment 2 of the present invention.

Fig. 10 is a general diagram of a handpiece control unit of the control system according to embodiment 2 of the present invention.

Description of the figures

1. Base 2, upright 3 crossbeam 4, workstation device 5, aircraft nose device 6, X to slide subassembly 7, Z to big slide subassembly 8, the device 9 of routing, the device 10 of routing milling storehouse, vertical scroll mills processingequipment 11, horizontal milling processingequipment 12, lower base 13, upper base 14, Y is to big square tube 15, Y to little square tube 16, X is to long square tube 17, X is to short square tube 18, Y is to short square tube 19, Y is to long square tube 20, strengthen square tube 21, the fixed plate of upright

22. A workbench 23, a Y-axis feeding servo motor 24, a workbench positioning mechanism 25, a fixed seat 26, a gear 27 and a Y-direction linear guide rail

28. An X-direction sliding base 29, an X-axis feeding servo motor 30, a balance cylinder 31, a balance cylinder fixing base 32, an X-direction sliding plate 33, an X-direction mounting base 34, a motor mounting base 35, a mounting column 36, an X-direction reinforcing rib 37, a Z-direction connecting strip 38, a clearance groove 40, a rack 41, an X-direction linear guide rail 43, a Z-direction large sliding base 44, a Z-axis feeding servo motor 45, a screw rod 47, a screw rod base 48, a lower screw rod base 49 and a Z-direction guide rail

50. The device comprises a routing sliding plate 51, a routing electric spindle 52, a routing lifting cylinder 53, a Z-direction routing guide rail 54, a Z-direction routing sliding block 55, a tool magazine mounting seat 56, a supporting frame 57, a cutter head 58, a Y-direction mounting strip 59, a fixing frame 60, a cylinder 61, a cylinder mounting seat 62, a piston rod 63, a guide rail 64 and a sliding block

65. The vertical shaft milling device comprises a vertical shaft milling mounting seat 66, a vertical shaft milling fixing plate 67, a motor adjusting seat 68, a vertical shaft milling sliding plate 69, a vertical shaft milling spindle 70, a tool shank 71, a vertical planer tool 73, a vertical shaft milling driving motor 74-synchronous belt 75, a main synchronous belt pulley 77, a vertical shaft milling lifting cylinder 78, a Z-direction vertical shaft guide rail 79, a Z-direction vertical shaft sliding block 80, a milling cylinder 81, a milling cylinder seat 82, a mounting seat main body 83, a spindle mounting seat 84, a side fixing plate 85, a containing hole 87, a round through hole 88 for mounting, a spindle mounting ring 89, a reinforcing plate 90, a horizontal milling sliding plate 91, a horizontal milling mounting seat 92, a horizontal milling spindle driving motor 93, a horizontal milling spindle 94, a horizontal planer tool 95, a first horizontal drilling tool 96, a second horizontal drilling tool 97, a horizontal milling fixing seat 98, a motor fixing plate 99, a motor fixing seat, The horizontal milling machine comprises a driven pulley 102, a belt 103, a steering mounting seat 104, a steering cylinder 105, a steering cylinder mounting seat 106, a first driving shaft 107, a second driving shaft 108, a rotating seat 109, a vertical fixing part 110, an upper supporting part 111, a lower supporting part 112, a shaft mounting part 113, a shaft mounting hole 114, a horizontal supporting part 115, a first mounting part 116, a second mounting part 117, a stepped through hole 118, a first through hole 119, a vertical part 121, a cylindrical part 122, a second through hole 129, a horizontal milling spindle positioning mechanism 130, a positioning cylinder 130, a cylinder gasket 132, a positioning cylinder mounting seat 133, a first positioning seat 134, a second positioning seat 135, a first positioning hole 136, a second positioning hole 138, a cylinder piston rod 140, a horizontal milling lifting cylinder 141, a Z-direction guide rail 142 and a Z-direction slider.

Detailed Description

Example 1

As shown in fig. 1, 3 and 4, a numerical control device for solid wood comprises a base 1, two columns 2 fixed on the base 1 and arranged in the X direction on the left and right sides, a beam 3 fixed on the two columns 2, a worktable device 4 mounted on the base 1 and capable of sliding in the Y direction back and forth relative to the base 1, and a machine head device 5 mounted on the beam 3 and capable of sliding in the X direction back and forth relative to the beam 3; the machine head device 5 comprises an X-direction sliding seat assembly 6, a Z-direction large sliding seat assembly 7, a routing machining device 8, a routing milling cutter library device 9, a vertical shaft milling machining device 10 and a horizontal milling machining device 11.

As shown in fig. 1, the base 1 includes a lower base 12 and an upper base 13.

As shown in fig. 2, the upper base 13 includes two Y-direction large square tubes 14, four X-direction small square tubes 15 connected to the two Y-direction large square tubes 14 by welding, and the two X-direction small square tubes 15 in the middle are close to each other, so that the motor can be conveniently installed.

The lower base 12 includes two X that arrange in proper order to rectangular pipe 16 and plural number X to short square pipe 17, two X of welded connection are to the plural number Y of rectangular pipe 16 to short square pipe 18, two Y of welded connection plural number X to short square pipe 17 both ends tip position are to long square pipe 19, welded connection is close to X to short square pipe 17 one side to rectangular pipe 16 and two Y to the enhancement side's pipe 20 of long square pipe 19 respectively, install stand fixed plate 21 on the top surface of two X of base 13 on the protrusion to the top of the both ends tip of long square pipe 16.

The lower base 12 and the upper base 13 are formed by assembling and welding square pipes, the structure is simple, the processing is easy, the production cost is reduced, the comprehensive mechanical property of the square pipes is good, and the strength, the rigidity and the stability of the lower base 12 and the upper base 13 are ensured.

The two upright posts 2 are respectively fixed on two upright post fixing plates 21. The uprights 2 and the cross-beam 3 form a portal frame.

As shown in fig. 1 and 2, the table device 4 includes a table 22 mounted on the upper base 13 and capable of sliding back and forth in the Y direction with respect to the upper base 13, a Y-axis feed servo motor 23, a Y-axis feed mechanical transmission mechanism mounted between the base 1 and the table 22, and a Y-axis feed guide mechanism. The solid wood numerical control equipment also comprises a workbench positioning mechanism 24 which is arranged on two adjacent side surfaces of the workbench 22. The table positioning mechanism 24 is a positioning cylinder.

The Y-axis feeding servo motor 23 is mounted on the two X-direction small square tubes 15 in the middle of the upper base 13 through a fixing seat 25. The Y-axis feeding mechanical transmission mechanism includes a gear 26 coaxially mounted on the output shaft of the Y-axis feeding servomotor 23, and a rack (not shown) mounted on the bottom surface of the table 22 to engage with the gear 26. The Y-axis feed guide mechanism includes two Y-direction linear guides 27 arranged in the Y-direction and mounted on the top surface of the Y-direction large tube 14 of the upper base 13, and a Y-direction slider (not shown) mounted on the bottom surface of the table 22 and engaged with the Y-direction linear guides 27. The worktable 22 drives the gear 26 through the Y-axis feeding servo motor 23, and the slide block slides on the Y-direction linear guide rail 27 through the meshing of the gear 26 and the rack, so that the worktable 22 moves back and forth in the Y direction.

As shown in fig. 3 and 4, the X-direction slide carriage assembly 6 includes an X-direction slide carriage 28 mounted on the cross beam 3 and capable of sliding back and forth in the X-direction with respect to the cross beam 3, an X-axis feeding servo motor 29 mounted on the X-direction slide carriage 28, an X-axis feeding mechanical transmission mechanism and an X-axis feeding guide mechanism mounted between the cross beam 3 and the X-direction slide carriage 28, two balance cylinders 30, and two balance cylinder holders 31.

As shown in fig. 4, the X-slide 28 includes an X-slide 32 and an X-mount 33 fixed to a side of the X-slide 32 facing the Z-slide assembly 7. One side of the X-direction slide plate 32 is provided with a motor mount (not shown) on which the X-axis feed servo motor 29 is mounted. The X-direction mounting base 33 includes two lateral tubular mounting posts 35, a plurality of plate-shaped X-direction reinforcing ribs 36 connected to the two mounting posts 35 by welding, and plate-shaped Z-direction connecting bars 37 connected to the X-direction reinforcing ribs 36. And clearance grooves 38 are formed among the X-direction reinforcing ribs 36. The Z-direction connecting bars 37 are disposed on both sides of the clearance groove 38. Two balance cylinder fixing seats 31 are fixed on two sides of the X-direction sliding seat 28, and two balance cylinders 30 are respectively fixed on the two balance cylinder fixing seats 31.

The engraving and milling device 8, the vertical shaft milling device 10 and the horizontal milling device 11 are arranged on one side of the Z-direction large sliding seat, which is far away from the X-direction sliding seat 28, and are arranged in sequence; the routing milling tool library device 9 is installed on a Z-direction large sliding seat and can be matched with the routing machining device 8 to realize automatic tool changing.

The X-direction sliding seat 28 comprises an X-direction sliding plate 32 and an X-direction mounting seat 33, and is formed by assembling and welding plates, plate-shaped connecting strips and square tubes, the structure is simple, the processing is easy, the production cost is reduced, the comprehensive mechanical property is good, the strength, the rigidity and the stability of the X-direction sliding seat 28 are ensured, the motor, the positioning cylinder, the screw rod and the like can be directly mounted on the X-direction sliding seat 28, the processing is not needed, and the cost is further reduced.

The X-direction sliding seat 28 with the structure enables the routing and milling device 8, the vertical shaft milling device 10 and the horizontal milling device 11 to have large strokes, wherein the X stroke reaches 3250mm, and the Y stroke reaches 1650 mm; the X of big stroke makes to slide 28 the utility model discloses a wood machining center can realize enlarging the scope of processing work piece size.

As shown in fig. 1, 3 and 4, the X-axis feeding mechanical transmission mechanism includes a gear (not shown) connected to an output shaft of the X-axis feeding servo motor 29, and an X-directional rack 40 mounted on the top surface of the cross beam 3 and engaged with the gear.

The X-axis feed guide mechanism includes two X-direction linear guides 41 fixed to the front side surface of the cross beam 3 and arranged up and down, and an X-direction slider (not shown) fixed to the rear side surface of the X-direction slider 28 and engaged with the X-direction linear guides 41.

The X-direction sliding seat 28 drives a gear through an X-axis feeding servo motor 29, and the X-direction sliding seat 28 slides on an X-direction linear guide rail 41 through the meshing motion of the gear and a rack 40, so that the X-direction sliding seat 28 moves back and forth in the X direction.

The tops of the two mounting posts 35 are flush with the tops of the X-direction sliding plate 32 and the X-direction mounting seat 33. The balance cylinder fixing seat 31 is partially fixed on the X-direction sliding plate 32 and the X-direction mounting seat 33, partially fixed on the mounting column 35 and partially protruded on the mounting column 35.

As shown in fig. 3 and 4, the Z-direction large slide carriage assembly 7 includes a Z-direction large slide carriage 43 mounted on the X-direction slide carriage 28 and capable of sliding back and forth in the Z-direction with respect to the X-direction slide carriage 28, a Z-axis feed servo motor 44 mounted on the X-direction slide carriage 28, a Z-axis feed mechanical transmission mechanism and a Z-axis feed guide mechanism mounted between the X-direction slide carriage 28 and the Z-direction large slide carriage 43.

The Z-direction large slide 43 includes a mounting frame made of vertically and horizontally staggered square bars. The Z-direction large sliding seat 43 is formed by square tube assembly welding, the structure is simple, the processing is easy, the production cost is reduced, the comprehensive mechanical property of the square tube is good, and the strength, the rigidity and the stability of the Z-direction large sliding seat 43 are ensured.

The X-slide assembly 6 also includes a motor mount 34 fixed to the top of the X-slide. A Z-axis feed servo motor 44 is mounted on top of the motor mount 34.

The Z-axis feeding mechanical transmission mechanism comprises a screw rod 45 which is coaxially arranged with the Z-axis feeding servo motor 44, and a screw rod nut (not shown) which is arranged on one side of the Z-direction large slide seat 43 facing the X-direction slide seat 28 and is matched with the screw rod 45. The upper end of the screw 45 passes through a screw seat 47 arranged on the Z-axis feeding motor mounting seat 34 and is connected with the output shaft of the Z-axis feeding servo motor 44, and the lower end is arranged together with the screw seat 47 arranged on the X-direction sliding plate 32 and the Y-direction reinforcing rib 36. The screw 45 is accommodated in the clearance groove 38.

The Z-axis feed guide mechanism includes two Z-guide rails 49 arranged right and left and fixed to the Z-direction large slide 43, respectively, and a Z-direction slider (not shown) fixed to the rear side surface of the Z-direction large slide 43 and engaged with the Z-guide rails 49.

The routing machining device 8, the vertical shaft milling machining device 10 and the horizontal milling machining device 11 are assembled on a Z-direction large sliding seat 43, the Z-direction large sliding seat 43 drives a screw rod 45 through a Z-axis feeding servo motor 44, and a Z-direction slider slides on a Z-direction guide rail 49 through the matching of the screw rod 45 and a screw rod nut, so that the Z-direction large sliding seat 43 moves back and forth in the Z direction.

The balance cylinders 30 are symmetrically arranged at the left and right sides of the Z-axis feed servo motor 44. The Z-axis feed servo motor 44 drives a lead screw to drive the Z-direction large slide 43 to ascend and descend. Because the device is heavy, the balance cylinder 30 keeps the Z-direction large sliding seat 43 in lifting balance.

As shown in fig. 3 and 4, the routing device 8 includes a routing slide plate 50 capable of moving up and down relative to the Z-direction large slide seat 43, a Z-direction routing electric spindle 51, and a routing lifting mechanism for controlling the routing slide plate 50 to move up and down on the Z-direction large slide seat 43. The routing lifting mechanism comprises a routing lifting cylinder 52 arranged on the Z-direction large sliding seat 43, two sensors (not shown) arranged on the axis direction of the routing lifting cylinder 52, two Z-direction guide rails 53 fixed on the Z-direction large sliding seat 43, and a Z-direction slider 54 fixed on the routing sliding plate 50 and respectively matched with the two Z-direction guide rails 53; the lower end of the piston rod of the routing lifting cylinder 52 is connected to the routing slide 50. The routing lifting cylinder 52 is a double-acting cylinder with a built-in magnetic ring, and the two sensors are installed along the axial direction of the routing lifting cylinder 52. The routing lifting cylinder 52 drives the Z-direction slider 54 on the routing sliding plate 50 to lift on the Z-direction rail 53, so as to drive the routing sliding plate 50 to lift, and the routing sliding plate 50 drives the routing electric spindle 51 to lift.

The routing milling tool library device 9 is installed on one side of the Z-direction large sliding seat 43, and the routing milling tool library device 9 is matched with the routing machining device 8 to achieve automatic tool changing of the routing electric spindle 51.

The router library device 9 comprises a library mounting seat 55 fixed with the Z-direction large slide seat 43, a support frame 56, a cutter 57 mounted on the support frame 56, and a cutter moving mechanism for driving the cutter 57 to move back and forth in the Y-direction. The tool magazine mounting base 55 includes a square tubular Y-direction mounting bar 58, and a fixing frame 59 fixed to a side of the Y-direction mounting bar 58 facing the routing electric spindle 51. The support bracket 56 is mounted on the side of the Y-direction mounting bar 58 facing the routing electric spindle 51. The fixed frame 59 is fixed to the Z-direction large slide 43.

The cutter head moving mechanism comprises an air cylinder 60 and two air cylinder mounting seats 61 fixed on the top surface of the Y-direction mounting strip 58, wherein the air cylinder 60 is fixed on the two air cylinder mounting seats 61, and a piston rod 62 of the air cylinder 60 is fixed with the supporting frame 56. The guiding mechanism of the cutter head moving mechanism comprises two guide rails 63 which are arranged up and down and arranged in the Y direction and are arranged on the Y direction mounting strip 58, and sliding blocks 64 which are arranged on the supporting frame 56 and are respectively matched with the two guide rails 63. The guide rail grooves of the slider 64 are slidably fitted back and forth to the corresponding guide rails 63.

The tool changing is realized by moving the hollow milling tool library device 9 in the Y direction, and the hollow milling tool library device 9 cannot swing left and right, so that the tool can be accurately grabbed and changed, and the hollow milling tool library device 9 is not easy to damage. In addition, the routing milling cutter library device 9 of the mechanism has the advantages of simple structure, convenience in installation and stability in action.

As shown in fig. 4, 5 and 6, the vertical shaft milling device 10 includes a vertical shaft milling mounting seat 65, a vertical shaft milling fixing plate 66, a motor adjusting seat 67, a vertical shaft milling sliding plate 68 which can be lifted relative to the Z-direction large sliding seat 43, a vertical shaft milling spindle 69, a tool holder 70, a vertical planer tool 71, a vertical shaft milling driving motor 73, a vertical shaft milling spindle mechanical transmission mechanism, a vertical shaft milling lifting mechanism which controls the vertical shaft milling sliding plate 68 to be lifted on the Z-direction large sliding seat 43, and a tool unclamping mechanism which controls the vertical shaft milling spindle 69 to clamp and unclamp; the vertical shaft milling spindle 69, the vertical shaft milling driving motor 73, the vertical shaft milling spindle mechanical transmission mechanism and the cutter beating mechanism are arranged on the vertical shaft milling sliding plate 68.

The vertical shaft milling spindle mechanical transmission mechanism comprises a synchronous belt 74, a primary synchronous belt pulley 75 and a secondary synchronous belt pulley (not shown).

The vertical shaft milling lifting mechanism comprises a vertical shaft milling lifting cylinder 77 arranged on the Z-direction large sliding seat 43, two sensors (not shown), two Z-direction guide rails 78 fixed on the Z-direction large sliding seat 43, and Z-direction sliders 79 fixed on the vertical shaft milling sliding plate 68 and respectively matched with the two Z-direction guide rails 78; the lower end of the piston rod of the vertical milling lifting cylinder 77 is connected to the vertical milling sliding plate 68. The vertical shaft milling lifting cylinder 77 is a double-acting cylinder with a built-in magnetic ring, and two sensors are installed along the axial direction of the vertical shaft milling lifting cylinder 77. The vertical milling lifting cylinder 77 drives the Z-direction slide block 79 on the vertical milling sliding plate 68 to lift on the Z-direction guide rail 63, and the routing sliding plate 50 drives the routing electric spindle 51 to lift.

The tool beating mechanism comprises a tool beating cylinder 80 and a tool beating cylinder seat 81; the unclamping cylinder 80 is fixed on a unclamping cylinder block 81.

The vertical shaft milling mounting seat 65 comprises a mounting seat main body 82, a main shaft mounting seat 83 and a side fixing plate 84 arranged on one side surface of the mounting seat main body 82, wherein an accommodating hole 85 with an upward opening is formed in the mounting seat main body 82, and a clearance round through hole (not shown) of the clearance vertical shaft milling main shaft 69 and a round through hole 87 for mounting, which is convenient for the main synchronous pulley 75 to be detached and lightened are arranged at the bottom of the accommodating hole 85.

The side profile of the vertical mill fixing plate 66 is substantially the same as the side profile structure of the mount body 82, and a clearance through hole (not shown) communicating with the accommodation hole 85 is provided on the vertical mill fixing plate 66. The vertical spindle mill fixing plate 66 is fixed to the top surface of the mount body 82. The side mounting plate 84 is fixed to the vertical spindle mill slide 68.

The spindle mount 83 includes a spindle mount ring 88 disposed on the bottom surface of the mount body 82 and coaxial with the clearance circular through hole, and a reinforcing plate 89 disposed outside the spindle mount ring 88 and connected to the mount body 82 and the side fixing plate 84.

A motor shaft of the vertical shaft milling driving motor 73 passes through the motor adjusting seat 67 and is coaxially installed with the main synchronous belt pulley 75, and the motor adjusting seat 67 is fixed on the top surface of the vertical shaft milling fixing plate 66; the primary timing pulley 75 is accommodated in the accommodation hole 85 and faces the installation circular through hole 87.

The upper end of the vertical shaft milling main shaft 69 passes through the main shaft mounting ring 88 and the clearance circular through hole and is mounted with the secondary synchronous belt pulley; the tool shank 70 is arranged at the lower end of the vertical shaft milling spindle 69, and the vertical planer tool 71 is arranged on the tool shank 70.

The secondary synchronous belt pulley and the vertical shaft milling spindle 69 are coaxially arranged and accommodated in the synchronous belt pulley accommodating hole 85; the timing belt 74 is mounted outside the primary timing pulley 75 and the secondary timing pulley.

The tool beating cylinder seat 81 is fixed on the top surface of the vertical shaft milling fixing plate 66 and is arranged right above the vertical shaft milling main shaft 69, and the tool beating cylinder 80 is connected with the upper end of the vertical shaft milling main shaft 69.

The tool beating cylinder 80 controls the vertical planer tool 71 of the vertical milling spindle 69 to clamp and loosen the tool, the vertical milling driving motor 73 drives the main synchronous belt pulley 75 to rotate, the main synchronous belt pulley 75 drives the secondary synchronous belt pulley to rotate through the synchronous belt 74, the secondary synchronous belt pulley drives the vertical milling spindle 69 to rotate, and the vertical milling spindle 69 drives the vertical planer tool 71 to rotate. By adopting the structure of the synchronous belt 74, the speed of the cutter can be ensured to change along with the speed change of the vertical shaft milling driving motor 73.

The vertical shaft milling device 10 is characterized in that a variable-frequency speed-regulating three-phase asynchronous motor drives a high-precision 5GT synchronous belt 74 to rotate, and the synchronous belt 74 drives the vertical shaft milling device 10 to rotate; the whole mechanism is arranged in the middle of the Z-direction large sliding seat 43 and is driven by a vertical shaft milling lifting cylinder 77 to lift on the Z-direction large sliding seat 43.

The vertical shaft milling device 10 is arranged in the middle of a machine head, a 7.5KW variable-frequency speed-regulating three-phase asynchronous motor is adopted for a vertical shaft milling spindle 69, the vertical shaft milling spindle 69 is driven to rotate through a high-precision 5GT synchronous belt 74, the transmission precision is high, the transmission is stable, the speed can be accurately changed, and heavy cutting can be completed. The variable-frequency speed regulation three-phase asynchronous motor is adopted, so that the cost is reduced, the speed of the motor can be regulated, the speed can be regulated according to the density, hardness and material of solid wood, and the smoothness of a processed solid wood product is ensured. In addition, the cooling mode of the main shaft is water cooling, so that the machine is economical and convenient; the main shaft is provided with a knife striking surface, and the knife clamping and loosening are carried out through the knife striking cylinder 80, so that the knife clamping and loosening are simple, convenient and quick; the main shaft tool holder is 70-specification BT39, a planer tool with the diameter of 125mm can be installed, the cutting amount is large, and the efficiency is high.

The vertical shaft milling mounting seat 65 with the structure has the advantages of simple structure and good stress.

The cutter beating cylinder 80 controls the vertical planer tool 71 of the vertical shaft milling spindle 69 to clamp and loosen the cutter, and the cutter beating cylinder is simple in structure and convenient and reliable to clamp and loosen the cutter.

As shown in fig. 4, 7, and 8, the horizontal milling device 11 includes a horizontal milling slide 90 that can move up and down relative to the Z-direction large slide 43, a horizontal milling mount 91 fixed on a side of the horizontal milling slide 90 away from the Z-direction large slide 43, a horizontal milling spindle drive motor 92, a horizontal milling spindle mechanical transmission mechanism, a horizontal milling spindle 93, a horizontal planer tool 94, a first horizontal drilling tool 95, a second horizontal drilling tool 96, a horizontal milling lifting mechanism that drives the horizontal milling slide 90 to move up and down on the Z-direction large slide 43, a horizontal milling spindle drive motor 92 that controls the horizontal milling spindle drive motor 92, a horizontal milling spindle mechanical transmission mechanism, a horizontal milling spindle 93, a horizontal planer tool 94, a first horizontal drilling tool 95, and a second horizontal drilling tool 96 that complete rotation from a 0 ° position to a 90 ° position. The horizontal milling mounting seat 91 comprises a horizontal milling fixing seat 97, a steering mounting seat 103 fixed on one side of the horizontal milling fixing seat 97 departing from the horizontal milling sliding plate 90, a motor fixing plate 98 and a motor fixing seat 99.

The horizontal milling spindle mechanical transmission mechanism comprises a driving belt pulley 100, a driven belt pulley 101 and three belts 102.

The steering mechanism of the horizontal milling device comprises a steering cylinder 104, a steering cylinder mounting seat 105, a first driving shaft 106, a second driving shaft 107 and a rotating seat 108. The steering cylinder 104 is a rotary seat driving mechanism that drives the rotary seat 108 to complete the rotation from the 0 ° position to the 90 ° position.

The steering mount 103 includes a vertical fixing portion 109, horizontal upper and

lower support portions

110 and 111, and a cylindrical shaft mounting portion 112 connecting the upper and

lower support portions

110 and 111; shaft mounting holes 113 are provided on the upper support portion 110, the shaft mounting portion 112, and the lower support portion 111.

The rotary base 108 includes a horizontal supporting portion 114 and two vertical first and second mounting

portions

115 and 116 disposed at the bottom of the horizontal supporting portion 114. A stepped through hole 117 is provided in the horizontal support portion 114 to be engaged with the lower end of the second driving shaft 107. The first mounting portion 115 has a plate-like structure, and a horizontal first through hole 118 that is engaged with the horizontal milling spindle 93 is provided in the first mounting portion 115. The second mounting portion 116 includes two parallel vertical portions 119, a connecting portion (not shown) connecting the two vertical portions 119 and the horizontal supporting portion 114, and a cylindrical portion 121 connected to the two vertical portions 119 and the bottom of the connecting portion, and a second through hole 122 engaged with the horizontal milling spindle 93 is formed in the cylindrical portion 121.

The steering cylinder mounting seat 105 is mounted at the top of the upper supporting part 110 of the steering mounting seat 103, and the steering cylinder 104 is mounted at one side of the steering cylinder mounting seat 105, which is far away from the horizontal milling fixing seat 97. The upper end of the first driving shaft 106 is connected with the steering cylinder 104 through a bearing assembly, the second driving shaft 107 is connected with the lower end of the first driving shaft 106 through a coupling, and the rotary seat 108 is installed with the lower end of the second driving shaft 107.

The horizontal planer tool 94 is installed in the middle of the horizontal milling spindle 93, the first horizontal drilling tool 95 is installed at one end of the horizontal milling spindle 93, the second horizontal drilling tool 96 is installed at the other end of the horizontal milling spindle 93, one end of the horizontal milling spindle 93 penetrates through the first through hole 118, and the other end of the horizontal milling spindle 93 penetrates through the second through hole 122 and is installed together with the rotary seat 108 through a bearing. The driven pulley 101 is mounted on the horizontal milling spindle 93 and is interposed between the rotary seat 108 and the second horizontal drill 96.

The motor fixing plate 98 is arranged on one side of the rotating base 108, and the motor fixing base 99 is arranged on one side of the motor fixing plate 98 departing from the rotating base 108; the horizontal milling spindle drive motor 92 is mounted on a motor mount 99. The driving pulley 100 is coaxially mounted with an output shaft of the horizontal milling spindle driving motor 92. The belt 102 is mounted outside the driving pulley 100 and the driven pulley 101.

The horizontal milling spindle positioning mechanism 129 comprises a positioning cylinder 130, a cylinder gasket 131, a cylinder mounting seat 132, a first positioning seat 133 and a second positioning seat 134. The first positioning seat 133 and the second positioning seat 134 are fixed on a side of the horizontal supporting portion 114 of the rotating seat 108, which is away from the motor fixing plate 98. The first positioning seat 133 is provided with a positioning hole 135 engaged with the piston rod 62 of the positioning cylinder 130, and the second positioning seat 134 is provided with a positioning hole 136 engaged with the piston rod 138 of the positioning cylinder 130. The axis of the positioning hole 135 of the first positioning seat 133 and the axis of the positioning hole 136 of the second positioning seat 134 are located on the same arc surface with the second driving shaft 107 as the axis, and an included angle between a connecting line of the second driving shaft 107 and the axis of the positioning hole 135 of the first positioning seat 133 and a connecting line of the second driving shaft 107 and the axis of the positioning hole 136 of the second positioning seat 134 is 90 °.

The cylinder mount 132 is fixed to the lower support 111 of the steering mount 103, the cylinder gasket 131 is fixed to the cylinder mount 132, and the positioning cylinder 130 is mounted on the cylinder gasket 131. The cylinder gasket 131 and the cylinder mount 132 protrude from the lower support 111. The piston rod 138 of the positioning cylinder 130 can penetrate through the cylinder gasket 131 and the part of the cylinder mounting seat 132 protruding out of the lower supporting part 111 and extend into the positioning hole 135 on the first positioning seat 133 or the second positioning seat 134 so as to achieve the positioning effect.

The horizontal milling lifting mechanism comprises a horizontal milling lifting cylinder 140 arranged on the Z-direction large sliding seat 43, two sensors (not shown), two Z-direction guide rails 141 fixed on the Z-direction large sliding seat 43, and Z-direction sliders 142 fixed on the horizontal milling sliding plate 90 and respectively matched with the two Z-direction guide rails 141; the lower end of the piston rod of the horizontal milling lifting cylinder 140 is connected to the horizontal milling sliding plate 90. The horizontal milling lifting cylinder 140 is a double-acting cylinder with a built-in magnetic ring, and two sensors are installed along the axis direction of the cylinder. The horizontal milling lifting cylinder 140 drives the Z-direction slide block 142 on the horizontal milling sliding plate 90 to lift on the Z-direction guide rail 141, and the horizontal milling sliding plate 90 drives the horizontal milling spindle 93 to lift.

The horizontal milling spindle 93 is formed by driving a driving pulley 100 to rotate by a horizontal milling spindle driving motor 92, and driving a driven pulley 101 to rotate by a belt 102, wherein the driven pulley 101 drives the horizontal milling spindle 93 to rotate. The horizontal milling device 11 is installed at the right position of the Z-direction large slide 43.

The routing processing device 8, the routing milling cutter library device 9, the vertical shaft milling processing device 10 and the horizontal milling processing device 11 are all provided with a double-acting lifting cylinder with a built-in magnetic ring, two sensors are arranged along the axial direction of the lifting cylinder, and the cylinder shaft of the lifting cylinder of the processing device which does not need to be processed retracts, so that a cutter of the processing device which does not need to be processed is positioned at the highest set position; the cylinder shaft of the lifting cylinder of the processing device to be processed extends out, so that the cutter of the processing device to be processed is at the lowest set position, and is lower than the other two processing devices, and the cutters of the other two processing devices cannot interfere with a workpiece when the main shaft cutter is processed.

When the horizontal tool needs to turn, the positioning cylinder 130 rises, the turning cylinder 104 drives the rotating seat 108 to rotate through the first driving shaft 106 and the second driving shaft 107, so as to drive the horizontal milling spindle driving motor 92, the driving pulley 100, the driven pulley 101, the belt 102, the horizontal milling spindle 93, the horizontal planing tool 94, the first horizontal drilling tool 95, the second horizontal drilling tool 96 and the like mounted on the rotating seat 108 to rotate together, and after the horizontal tool rotates to a position, the positioning cylinder 130 extends into the first positioning hole 135 of the first positioning seat 133 or the second positioning hole 136 of the second positioning seat 134 to position the rotating seat 108. The horizontal milling main shaft 93 can rotate 90 degrees, cutting in the X direction and the Y direction is achieved, and machining in the direction of the horizontal milling device 11 is determined according to the solid wood grain direction. Because the processing direction is consistent with the grain direction of the workpiece, the processed workpiece has high smoothness, and the processing quality is ensured. The horizontal milling device 11 can be simultaneously provided with 3 cutters, wherein one cutter can be provided with a planer tool with the diameter of 125mm and the length of 130mm, the cutting amount is large, and the other two cutters can be drill bits. The structure realizes the function of clamping once and can process four sides of a workpiece. The horizontal milling device 11 can process complex workpieces, such as side surface grooves, curved surfaces of top surfaces and the like, and realizes product processing diversity, simple and firm structure and low cost. The horizontal milling spindle driving motor 92 drives the horizontal milling device 11 through the belt 102, so that stable transmission, low noise, high transmission power, low cost and convenient maintenance are ensured, and the horizontal milling device 11 can have strong cutting force.

The embodiment discloses that the routing processing device 8, the vertical shaft milling processing device 10 and the horizontal milling processing device 11 are sequentially arranged from left to right, and the purpose of expression is convenient. The routing processing device 8, the vertical shaft milling processing device 10 and the horizontal milling processing device 11 can be arranged in any mode from left to right, such as the horizontal milling processing device 11, the vertical shaft milling processing device 10 and the routing processing device 8.

Example 2

As shown in fig. 9 and 10, a control system of a numerical control device includes a CNC controller, a data bus and a control bus connected with the CNC controller, a servo control unit, a handpiece control unit, a workbench control unit, a strong current control unit, a weak current control unit, a human-computer interaction interface unit, and a communication unit, which are connected with the data bus and the control bus in a bidirectional control and parallel manner.

The machine head control unit comprises a engraving and milling electric spindle driving unit, a engraving and milling lifting control unit, a cutter disc movement control unit, a vertical shaft milling spindle driving unit, a vertical shaft milling lifting control unit, a cutter beating mechanism control unit, a horizontal milling spindle driving unit, a horizontal milling lifting control unit, a horizontal milling spindle steering control unit and a horizontal milling spindle positioning control unit which are connected with a data bus and a control bus which are connected with a CNC (computer numerical control) controller in a bidirectional control and parallel mode.

The routing electric spindle driving unit comprises a 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 and a control 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 motor is connected with the motor driving device in a unidirectional control and series mode, and the motor driving device controls the motor in a unidirectional mode.

The structure, the control mode and the connection mode of the vertical shaft milling spindle driving unit and the routing electric spindle driving unit are the same.

The horizontal milling spindle driving unit comprises a motor, a thermal relay, a contactor and an I/O module, wherein the I/O module is connected with a data bus and a control bus in a bidirectional control parallel mode, the thermal relay is connected with the I/O module in a bidirectional control series mode, the contactor is connected with the thermal relay in a bidirectional control series mode, a three-phase motor is connected with the contactor in a unidirectional control series mode, and the contactor is used for unidirectionally controlling the three-phase motor.

The routing 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 and the control 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 structure, the control mode and the connection mode of the cutter head movement control unit, the vertical shaft milling lifting control unit, the horizontal milling spindle steering control unit, the horizontal milling spindle positioning control unit and the routing lifting control unit are the same.

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 I/O module is an input/output module.

The control system of the solid wood numerical control equipment is controlled by using the pulse sequence instruction, only a data bus and a control bus are needed, an address bus is not needed, and the production cost is reduced while the quick response and the processing precision and stability of the equipment are considered.

Firstly, dividing a control system into six modules, namely a servo control unit, a machine head control unit, a workbench control unit, a strong and weak current control unit, a man-machine conversation interface unit and a communication unit, and then dividing each module into a plurality of small control units;

the six modules can be designed into an open type and modular structure, have standardized interfaces, can be connected with standardized interfaces and remote I/O on a CNC controller, and have 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.

The CNC controller uses bi-directional control with all feed servos through a data bus and a control bus.

The servo motor is connected to a gear, a screw rod, 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 amount 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.

The machine head realizes X-axis feed motion and Z-axis feed motion by an X-axis feed servo system and a Z-axis feed servo system of a servo system, and is provided with a routing main shaft with automatic tool changing, a manual tool changing vertical shaft milling main shaft with variable frequency and adjustable speed, and a horizontal water milling main shaft with fixed speed.

The equipment is additionally provided with a vertical shaft milling device and a horizontal milling device which can rotate, except for an automatic tool changing and routing device, and can process the top surface and four side surfaces of solid wood, so that the processing efficiency is improved.

The utility model discloses a numerical control system to PXI Express bus technique is the core, can use WinCE 6.0 operating system and graphic programming language, has abundant external interface and "plug and play" function, can constitute the high available industrial control computer's of new generation key technology etc. that the security is high, fault-tolerant ability is strong.

The utility model discloses a numerical control system, based on the field bus EtherCAT who accords with international, domestic mainstream technical standard and the industrial ethernet who accords with IEEE802.3 international standard, towards the multi-functional configuration software of continuous production process, have the comprehensive automated control system of software simulation technique, redundant fault-tolerant function simultaneously.

The utility model discloses a numerical control system uses pulse sequence command control's servo, when taking into account the machining precision and the stability of servo quick response and equipment, has reduced manufacturing cost.

The utility model discloses a numerical control system has increased industrial computer (industrial computer), has optimized controller front end control software, makes human-computer interaction more directly perceived, and programming just can be accomplished to the equipment end, changes in the operation.

The utility model discloses a numerical control system has increased industrial computer (industrial computer), uses the ethernet TCP/IP agreement, can be connected with user's LAN, and the user can the office programming, remote transmission NC procedure, field processing, convenient and fast.

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. A vertical shaft milling device of numerical control equipment comprises a vertical shaft milling spindle, a vertical shaft milling spindle driving device and a vertical shaft milling spindle mechanical transmission mechanism, and is characterized in that: the vertical shaft milling machine also comprises a vertical shaft milling mounting seat and a knife beating mechanism for controlling the loosening and clamping of a vertical shaft milling spindle; the vertical shaft milling spindle, the vertical shaft milling spindle driving device, the vertical shaft milling spindle mechanical transmission mechanism and the knife beating mechanism are arranged on the vertical shaft milling mounting seat.

2. A vertical spindle milling machining apparatus of a numerical control device as set forth in claim 1, wherein: the knife beating mechanism comprises a knife beating cylinder seat and a knife beating cylinder; the tool beating cylinder is fixed on a tool beating cylinder seat, the tool beating cylinder seat is fixed on a vertical shaft milling mounting seat, and the tool beating cylinder is connected with one end of a vertical shaft milling main shaft.

3. A vertical spindle milling machining apparatus of a numerical control device as set forth in claim 1, wherein: the vertical shaft milling spindle driving device comprises a vertical shaft milling spindle driving motor; the vertical shaft milling spindle mechanical transmission mechanism comprises a synchronous belt, a main synchronous belt pulley and a secondary synchronous belt pulley;

a containing hole is arranged on the vertical shaft milling mounting seat;

4. A vertical spindle milling machining apparatus of a numerical control device as set forth in claim 3, wherein: the vertical shaft milling mounting seat comprises a mounting seat main body, a main shaft mounting seat and a side fixing plate arranged on the side surface of one side of the mounting seat main body;

the accommodating hole is arranged in the mounting seat main body, and the bottom of the accommodating hole is provided with a clearance-avoiding circular through hole of a clearance-avoiding vertical shaft milling spindle;

the main shaft mounting seat comprises a main shaft mounting ring which is arranged on the bottom surface of the mounting seat main body and is coaxial with the clearance circular through hole;

the vertical shaft milling spindle driving device is arranged on the mounting seat main body;

the upper end of the vertical shaft milling spindle penetrates through the spindle mounting ring and the clearance circular through hole to be mounted with the secondary synchronous belt pulley.

5. A vertical spindle milling machining apparatus of a numerical control device as set forth in claim 1, wherein: the vertical shaft milling device also comprises a vertical shaft milling sliding seat, a vertical shaft milling lifting mechanism for controlling the vertical shaft milling sliding seat to lift in the Z direction, and two sensors; the vertical shaft milling lifting mechanism comprises a vertical shaft milling lifting cylinder arranged on a Z-direction large sliding seat, two Z-direction guide rails fixed on the Z-direction large sliding seat, and Z-direction sliding blocks fixed on the vertical shaft milling sliding plate and respectively matched with the two Z-direction guide rails; the lower end of a piston rod of the vertical shaft milling lifting cylinder is connected to a vertical shaft milling sliding plate; the vertical shaft milling lifting cylinder is a double-acting cylinder with a built-in magnetic ring, and the two sensors are installed along the axis direction of the cylinder.

6. A machine head of a numerical control apparatus including a vertical spindle milling machine according to any one of claims 1 to 5, characterized in that: the numerical control equipment is solid wood numerical control equipment, and the machine head further comprises a large sliding seat assembly, a routing machining device and a routing milling cutter library device;

the large sliding seat assembly comprises a large sliding seat;

the routing milling cutter library device is arranged on the large sliding seat, and the routing milling cutter library device is matched with the routing machining device to realize automatic cutter changing; the engraving milling cutter library device comprises a cutter library mounting seat fixed with the large sliding seat, a supporting frame, a cutter disc mounted on the supporting frame and a cutter disc moving mechanism used for driving the cutter disc to move in the Y direction; the tool magazine mounting seat comprises a square tubular Y-direction mounting bar and a fixing frame fixed on one side, facing the routing electric spindle, of the Y-direction mounting bar; the support frame is arranged on one side of the Y-direction mounting strip facing the routing electric spindle; the fixed frame is fixed on the large sliding seat;

7. A machine head of a numerical control apparatus including a vertical spindle milling machine according to any one of claims 1 to 5, characterized in that: the numerical control equipment is solid wood numerical control equipment, and the machine head also comprises a large sliding seat assembly and a horizontal milling device;

the large sliding seat assembly comprises a large sliding seat;

the rotating seat comprises a horizontal supporting part, and a first mounting part and a second mounting part which are arranged at the bottom of the horizontal supporting part and are vertical to each other; a first through hole matched with the horizontal milling main shaft is formed in the first mounting part, and a second through hole matched with the horizontal milling main shaft is formed in the second part; one end of the horizontal milling main shaft penetrates through the first through hole, and the other end of the horizontal milling main shaft penetrates through the second through hole and is rotatably installed with the rotating seat;

8. A control system for a machine head of a numerical control apparatus including a vertical spindle milling machine according to any one of claims 1 to 5, characterized in that: the machine head control unit is connected with a data bus and a control bus which are connected with a CNC controller in a bidirectional control and parallel mode;

the machine head control unit comprises a vertical shaft milling spindle driving unit, a vertical shaft milling lifting control unit and a cutter beating mechanism control unit which are connected with a data bus and a control bus which are connected with a CNC (computerized numerical control) controller in a bidirectional control and parallel manner;

the control unit of the unclamping mechanism comprises a double-acting air cylinder with a built-in magnetic ring, a sensor arranged on the air cylinder, an electromagnetic valve and an I/O module; the I/O module is connected with the data bus and the control 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 sensor is connected with the I/O module in a unidirectional control and series mode, and the sensor controls the I/O module in a unidirectional mode.

9. The control system of a hand piece of a numerical control apparatus as set forth in claim 8, wherein: the machine head also comprises a routing processing device and a routing milling cutter library device;

the control system of the machine head also comprises a routing electric spindle driving unit, a routing lifting control unit, a cutter head movement control unit, a horizontal milling spindle driving unit, a horizontal milling lifting control unit, a horizontal milling spindle steering control unit and a horizontal milling spindle positioning control unit which are connected with a data bus and a control bus which are connected with the CNC controller in a bidirectional control and parallel manner;

the structure, the control mode and the connection mode of the engraving electric spindle driving unit and the vertical shaft milling spindle driving unit are the same;

the cutter head movement control unit, the routing lifting control unit, the horizontal milling spindle steering control unit, the horizontal milling spindle positioning control unit and the vertical shaft milling lifting control unit have the same structure, control mode and connection mode.

10. The control system of a hand piece of a numerical control apparatus as set forth in claim 8, wherein: the machine head also comprises a routing processing device and a routing milling cutter library device;

the horizontal milling lifting control unit, the horizontal milling main shaft steering control unit, the horizontal milling main shaft positioning control unit and the vertical shaft milling lifting control unit have the same structure, control mode and connection mode.