TWI633959B - Method for driving milling machine composite machine by special controller for milling machine - Google Patents

Abstract

The invention discloses a method for driving a milling and laminating machine for a special controller for a milling machine, which is operated in a special controller of the milling machine by a program, and a turning tool table is provided through the dedicated controller of the milling machine for the user to pre-set each turning The attribute of the knife, the program includes: a trigger and a return switch, a switch coordinate plane, a switch diameter, a radius coordinate mode, a set tool tip point relative to the workpiece origin coordinate, a switch second spindle as the active spindle, and a Perform turning operations. Through the above steps and the turning tool table, the special controller for the milling machine can drive the milling machine to perform the turning operation.

Description

Method for driving milling machine composite machine by special controller for milling machine

The invention relates to the technical field of machine tool controllers, in particular to a method for driving a milling and laminating machine by using a special controller for a milling machine.

CNC machine tools are important equipment widely used in machining and manufacturing. Usually a CNC machine tool is used only for one process. However, due to process limitations and processing accuracy requirements, a single process is difficult to meet processing needs. For example, it is customary to use a lathe-specific machine to turn a relatively flat part of a metal casing, and then use a special machine for milling to mill a narrow portion of the metal casing. Therefore, the workpiece must be switched between the lathe-specific machine and the milling machine, resulting in low processing accuracy and reduced processing efficiency.

At present, there are teaching plans to integrate two special machines, milling and car, into a single composite machine. However, such a milling machine must be combined with a dedicated composite machine controller for drive control. It is well known that the price of the composite machine controller is expensive, and the operation mode is different from the dedicated controller for the milling (car) bed that has been accustomed to, which leads to difficulty in promotion. Therefore, how to use the milling machine-specific controller that is low in cost and familiar with the operating habits to drive the milling and laminating machine is obviously expected by the industry.

The working ability of CNC machine tools comes from exclusive controllers, such as special controllers for milling machines, special controllers for lathes or special controllers for laminating machines. Also, all kinds of CNC machine tools must be matched with dedicated dedicated controllers, resulting in dedicated control. The device can't communicate with each other, so how can it be controlled by the low-cost milling machine? It is also the bottleneck that the industry is eager to overcome.

In view of the problems and deficiencies of the above-mentioned prior art, the main object of the present invention is to provide a method for driving a milling and laminating machine for a special controller for a milling machine, which is driven by a dedicated controller of the milling machine to drive the milling and laminating machine. In addition to the milling operation, the milling and laminating machine can be driven for the purpose of turning operations by running the program in the dedicated controller of the milling machine.

According to the above object of the present invention, a method for driving a milling and laminating machine by a special controller for a milling machine is proposed. The method is run in a dedicated controller of the milling machine by a program, and a turning tool table is provided through the dedicated controller of the milling machine for the user to advance Set the properties of each turning tool. The program includes: a trigger and a return switch, a switching coordinate plane, a switching diameter, a radius coordinate mode, a set tool tip point relative to the workpiece origin coordinate, and a switching second spindle as a function spindle And one performs the turning operation. Through the above steps and the turning tool table, the special controller for the milling machine can drive the milling machine to perform the turning operation.

100‧‧‧Milling and laminating machine

12‧‧‧ Sensors

20‧‧‧Workbench

26‧‧‧claw

S‧‧‧first spindle

A‧‧‧Spindle shaft

CS‧‧‧Second spindle

S001~S008‧‧‧Steps

XY‧‧‧ coordinate system plane

XZ‧‧‧ coordinate system plane

YZ‧‧‧ coordinate system plane

Fig. 1 is a perspective view showing an embodiment of a conventional milling and laminating machine.

Fig. 2 is a schematic view showing the flow of a special milling machine for milling machine according to the present invention.

Figure 3 is a schematic diagram of three elevations in a conventional three-dimensional system.

Hereinafter, an embodiment of a method for driving a milling and laminating machine for a milling machine according to the present invention will be further described with reference to the related drawings, in order to facilitate understanding of the implementation of the present invention. In the following, the same components are denoted by the same symbols.

Referring to FIG. 1 , the conventional milling and laminating machine 100 has at least a first spindle S and a table 20, and cooperates with an electrical connection dedicated milling machine controller 30.

The first spindle S can hold the tool for rotation, positioning, and can move up and down along the first axial direction (Z).

The table 20 is disposed corresponding to the first spindle S, and has a swing axis A, a second spindle CS, and a jaw 26. The swivel rotation axis A is driven by the milling and laminating machine 100 to move along the second axial direction (X) or the third axial direction (Y) and provides a fourth axial (α) swinging capability. The second main shaft CS is pivotally connected to the swing rotating shaft A, and is driven by the fourth axial direction (α) to be pivoted, and provides a fifth axial direction (β) for continuous rotation of the axial center. Ability. The clamping claws 26 are disposed on the second main shaft CS for clamping a workpiece (not shown), and the workpiece clamped by the clamping jaws 26 through the table 20 is driven to swing along the α-axis and along the β-axis. The axis rotates for the axis.

The milling machine-dedicated controller 30 (known in the art) is electrically connected to the first spindle S and the table 20. The milling machine-specific controller 30 has a milling tool table (as shown in Table 1) that provides user input for different milling tool attributes (known techniques).

Referring to FIG. 2, the method for driving the milling and laminating machine for the special controller for the milling machine of the present invention runs in a dedicated controller 30 of the milling machine in a program to provide a turning tool table (custom form, as shown in Table 2). The user can pre-set the attributes of the individual turning knives and execute the program by triggering, so that the milling machine-specific controller 30 can drive the milling machine 100 to achieve the purpose of turning operations. The program also includes the following steps (the order of the steps can be changed as needed):

S001: switching between trigger and reply; when the tool acquired by the first spindle S is a milling cutter, the special controller 30 for the milling machine returns the setting of the milling and laminating machine 100 to the milling operation mode, and drives the milling and laminating machine 100 to be normal. The milling mode continues to work. When the tool obtained by gripping the first spindle S of the tool is a turning tool, the following steps are performed. When implemented, the milling machine dedicated controller 30 itself has control The ability of the CNC machine to perform milling operations is a well-known skill and is not the focus of this case, so it is omitted.

S002: Switching the coordinate plane; the milling machine dedicated controller 30 obtains the "coordinate plane" field data corresponding to the turning tool in the turning tool table, such as the XY coordinate system plane, the XZ coordinate system plane, or the YZ coordinate system plane. Referring to Figure 3, the XY coordinate system plane, the XZ coordinate system plane, and the YZ coordinate system plane refer to the three faces in the conventional three-dimensional system to define the reference plane for machining.

S003: Switching the diameter and radius coordinate mode; the milling machine dedicated controller 30 switches the diameter working coordinate to the radius working coordinate. According to the milling operation, the diameter of the working coordinate is the stroke, that is, the machining is performed by the diameter stroke of the workpiece; however, the turning operation is performed by using the radius working coordinate as the stroke, that is, the workpiece origin (center point) is used as the radius stroke. The milling machine-dedicated controller 30 sets the first spindle S of the milling and laminating machine 100 with the workpiece origin as a base point and is displaced by the radius coordinate.

S004: setting the tool nose point relative to the workpiece origin coordinate; the milling machine dedicated controller 30 defines the turning point obtained by the first spindle S, and the starting point coordinate (or the workpiece origin) of the tool tip point contacting the workpiece. Since the starting point of the milling cutter and the workpiece is different from the starting point of the turning tool and the workpiece (known art), the milling machine-dedicated controller 30 resets the starting point to the milling and laminating machine 100 through this step. In implementation, the starting point coordinate is from the turning tool table, and the turning point belongs to the "tool tip point to workpiece origin (Y)", "tool tip point to workpiece origin coordinate (X)", "tool tip" The points are defined by the field data such as the origin of the workpiece (Z) and the inclination of the shaft at the time of turning (A).

S005: The second spindle speed control is switched; since the milling operation is performed in a working mode in which the milling cutter speed is constant, that is, the first spindle S of the gripping tool drives the milling cutter in a certain manner; and the turning operation is the workpiece rotating circumference. The speed must be carried out, so that the control of the rotational speed of the second spindle CS of the workpiece can be achieved by Equation 1;

CS = second spindle acting speed (rpm), V means a certain peripheral speed (m/min) set according to the machining conditions, X = D = workpiece diameter acting by the tool tip point; where X is equal to the workpiece coordinate (ie The origin of the workpiece is the radius of the base point). Further, in accordance with the turning condition set by the machining condition, the diameter of the workpiece acting as the tip point can be continuously changed, and the rotation of the formula 1 can be achieved by the conversion of the formula 1. In practice, this step can be selectively omitted, and directly refers to the data of the first spindle S rotation speed.

S006: Switching the second spindle to the active spindle; the milling machine dedicated controller 30 sets the second spindle CS of the milling and laminating machine 100 as the active spindle. The milling machine refers to the first spindle S that holds the tool, and the working spindle of the turning operation refers to the second spindle CS that drives the workpiece to rotate continuously. Therefore, the milling machine controller 30 sets the milling through this step. The second spindle CS of the vehicle laminating machine 100 is the active spindle (the rotation speed obtained according to the cycle speed obtained in step S005 or the machining condition is constant, and the workpiece rotation is continuously driven). As for the first spindle S of the original clamping tool, it is driven by the milling machine dedicated controller 30 to drive the tool to the preset position of the machining stroke, but does not rotate the clamped tool.

S007: The coordinate system rotates; the milling machine dedicated controller 30 tilts the "coordinate plane" to which the turning tool belongs. Since the turning tool tends to be inclined at an angle to the workpiece during the turning operation, the milling machine-dedicated controller 30 makes a tilt adjustment of the "coordinate plane" corresponding to the turning tool. In the implementation, the special controller for the milling machine selects the "coordinate plane" selected in step S002 according to the angle set by the turning tool in the "turning axis inclination (A)" field of the turning tool table. (for example, XY coordinate system plane, XZ coordinate system plane, or YZ coordinate system plane), for an angle of inclination. In the implementation, if the "coordinate plane" to which the turning tool belongs is the same coordinate plane as the milling operation, this step is omitted without rotation.

S008: performing a turning operation; the milling machine dedicated controller 30 drives the second spindle CS to continuously rotate the workpiece to be continuously rotated (with a certain number of cycles or a constant speed), and drives the first spindle S to drive the turning tool to start the coordinates (steps) The position of the data obtained by S004 or the origin of the workpiece is the radial displacement of the base point, and the workpiece is turned.

In addition, the above step S001: switching between triggering and returning; in implementation, the milling machine-dedicated controller 30 can sense the first spindle S when the tool is changed by the sensor 12 disposed on the first spindle S of the clamping tool. The tool held by the first spindle S at the moment is a milling cutter or a turning knife as a basis for triggering. The tool call code in the special controller 30 of the milling machine can also be used as a basis for triggering. Of course, the sensor 12 and the tool call code can also be compared at the same time, and when the comparison is different, the special controller 30 of the milling machine outputs a signal of shutdown to avoid accidents.

Moreover, in the above step S007: the coordinate system rotation further includes a tool nose point offset value (ΔA) to the workpiece origin coordinate, and the compensation value is used to compensate the error value between the tool nose point and the workpiece origin. The tool nose point to workpiece origin coordinate compensation value (ΔA) is preset by the user in the turning tool table.

The above description is only for the preferred embodiment of the present invention, and is intended to clarify the features of the present invention, and is not intended to limit the scope of the embodiments of the present invention. Changes that are well known to those skilled in the art are still within the scope of the invention.

Claims (7)

A special controller for a milling machine drives a milling and laminating machine. The method is run in a special controller of the milling machine by a program, and a turning tool table is provided through the dedicated controller of the milling machine to allow the user to pre-set the properties of each turning tool. The program further includes: S1. Switching between trigger and reply: when the first spindle of the milling and turning machine obtains a milling cutter, the special controller of the milling machine returns the setting of the milling compound machine to the milling operation mode, and drives The milling and laminating machine continues to work according to the normal milling operation mode; and when the first spindle of the milling and laminating machine obtains a turning tool, the following steps are performed; S2. Switching the coordinate plane: the special controller of the milling machine obtains the In the turning tool table, the data recorded in the "coordinate plane" field of the turning tool; S3. Switching diameter and radius coordinate mode: The milling machine special controller causes the milling machine to switch the diameter working coordinate to the workpiece origin Radius working coordinate mode; S4. Setting the tool nose point relative to the workpiece origin coordinate: The milling machine dedicated controller defines the turning tool, and the tool tip point is in contact with a workpiece Starting point coordinate; S5. switching the second spindle to be the active spindle; the milling machine dedicated controller sets the second spindle of the milling compound machine to be the active spindle; S6. coordinate system rotation: the milling machine dedicated controller is the turning tool "Coordinate plane", according to the corresponding "turning axis inclination angle" field data in the turning tool table, for an angle of inclination; and S7. Performing turning operation: the milling machine dedicated controller drives the milling and laminating machine The second spindle interlocks the workpiece to continuously rotate, and cooperates with driving the milling compound The first spindle of the machine drives the turning tool, and the workpiece is turned by taking a radial displacement with the starting point coordinate position as a base point. The method for driving a milling and laminating machine for a milling machine according to the first aspect of the invention, wherein the step S4 and the step S5 further comprise an S4-1. The second spindle speed control switching: the milling machine is The rotation speed of the second spindle of the compound machine is set to be constant for the workpiece rotation peripheral speed. For example, the method for driving a milling and laminating machine for a milling machine according to the first aspect of the patent application, wherein the S6 coordinate system rotation: further comprises a tool tip point to the workpiece origin coordinate compensation value (ΔA) for compensation The error value of the turning tool nose point and the workpiece origin point, and the tool nose point to workpiece origin coordinate compensation value (ΔA) is preset by the user in the turning tool table. The method for driving a milling and laminating machine for a milling machine according to claim 1 or 2, wherein the turning tool table further comprises a turning tool number, a tool point point to the workpiece origin (Y), and a tool point point. The workpiece origin (X), one tool point point to the workpiece origin (Z), and one tool path wear X direction (U). The method of driving a milling and laminating machine for a milling machine according to claim 1 or 2, wherein the triggering of the step S1 can be used as a trigger basis by a tool calling code in the special controller of the milling machine. The method of driving a milling and laminating machine for a milling machine according to claim 1 or 2, wherein the triggering of the step S1 is performed by one of the first spindles of the milling machine. The tool that is sensed when the tool is changed is the milling cutter or the turning tool. The method for driving a milling and laminating machine for a milling machine according to the sixth aspect of the patent application, wherein the triggering of the step S1 is performed through the dedicated controller of the milling machine. The tool call code is used as a basis for triggering, and can be compared with the sensing intersection of the sensor, and when the comparison is different, the dedicated controller of the milling machine outputs a signal of shutdown.