TWI624328B - Cooperative control system for software and hardware of cutting machine tool - Google Patents

Abstract

A software and hardware cooperative control system for a cutting tool machine includes a hardware operation control module and a software operation control module, and the hardware operation control module comprises a cutting power control circuit and a cutting position sensing circuit, and the software body The actuation control module includes a computer timer and a logic judgment program, and is controlled by software and hardware, such as a timing calculation of the computer timer integrated with the software actuation control module and a sensing signal generated by the cutting position sensing circuit, which is logically judged. The program outputs a control signal to the hardware actuation control module to change the signal state of the cutting power control circuit to achieve a first control mode actuation timing control to perform different cutting actuation timing control functions. The invention also discloses a safe stop control by a software and hardware cooperative control to achieve a second control mode.

Description

Cutting tool machine software and hardware collaborative control system

The invention relates to a software and hardware cooperative control system for a cutting tool machine, in particular to a soft and hard working through a soft and hard body to achieve a soft and hard function of the timing control and/or the safety stop control function of the punch of the cutting tool machine. Body coordination control system.

Press, generally, such as stamping equipment, etc., is equipped with a control circuit for the series connection device of the emergency stop switch, so that when the machine is in a dangerous state, the power is cut off through the emergency stop switch to stop the operation of the device to protect the person and equipment. Safety. However, due to internal circuit short circuit, contact abnormality or other factors, the equipment may not stop as scheduled when the emergency stop switch is pressed, which may cause unpredictable accidents and need to be improved.

In addition, conventionally, a cutting machine with a stamping device often cuts the bottom layer of the cloth and leather when cutting a fabric or leather having a relatively thick thickness or high toughness, and needs to be improved.

It is also known that the stamping equipment and the like, the control of the stamping actuation timing of the punch is mostly controlled by the internal power control circuit, and when it is desired to add, add or modify the actuation mode of the punch at each timing, It is not convenient to change the entire power control circuit.

Therefore, in order to improve the above-mentioned deficiencies, the present inventors have made efforts to study and propose a software and hardware cooperative control system for the cutting tool machine of the present invention, comprising: a hardware operation control module and a software operation control module, and Through the hardware action control module and the software action control module work together to achieve the first Control mode "action timing control" and / or second control mode "safe stop control" function, wherein: the hardware actuation control module comprises a cutting power control circuit and a cutting position sensing circuit, wherein the cutting power The control circuit can be controlled by the hardware actuation control module or by the software actuation control module, and the cutting position sensing circuit is used for sensing the position of the punch to send the sensing signal; the software actuation control module The computer timer and the logic judgment program are connected to the hardware operation control module through the input/output signal to receive the sensing signal or output the control signal to change the signal state of the cutting power control circuit; the first control mode- Actuation timing control is controlled by the software actuation control module, which integrates the timing calculation of the computer timer and the sensing signal, and then outputs the control signal to the hardware actuation control module via the logic judgment program to make the cutting power The signal state of the control circuit is changed to perform control functions of different cutting actuation timings; the second control mode - safety stop control, The main control of the hardware operation control module triggers the stop function of the cutting power control circuit, and simultaneously feedbacks the control signal to the software actuation control module to perform the safety of the cutting power control circuit by the software actuation control module. Switching of the stopped signal state.

Further, the cutting power control circuit simultaneously feeds back the control signal to the software actuation control module through a relay to switch the signal state of the safe stop of the cutting power control circuit; the logic determination program transmits another The relay outputs a control signal to the hardware actuation control module to perform control functions of different cutting actuation timings.

Further, the method further includes a power module connected to the hardware actuation control module, the power module includes at least one hydraulic motor and at least one machine motor, wherein the power module, the hardware actuation control module, and The software actuation control modules are independently connected to a power supply end, and a self-holding circuit is coupled between the power module and the power supply end, and the cutting power control circuit of the cutting tool machine is triggered to stop. The function is: one of the self-holding circuits is disconnected from the emergency stop switch.

Further, the self-holding circuit includes a relay including a plurality of contacts, wherein the power module is coupled to the self-holding circuit by electrically connecting one of the contacts; when the cutting is triggered When the cutting function of the cutting power control circuit is provided, the cutting power control circuit simultaneously feeds the control signal to the software actuation control module through the relay to achieve a safe stop signal state of the cutting power control circuit. Switching.

Further, the method further includes a power module and a punch connected to the power module, wherein the power module includes at least one hydraulic motor and at least one machine motor, wherein the software actuation control module performs cutting power control The switching of the signal state of the safe stop of the circuit is controlled to cause the punch to be parked or controlled to raise the punch.

Further, the method further includes a power module connected to the hardware actuation control module and a punch connected to the power module, the cutting position sensing circuit comprising an upper limit protection sensing switch and a tool origin sensing switch a differential sensing switch, a cutting point sensing switch and a lower limit protection sensing switch; the cutting actuation timing is controlled when the differential sensing switch is activated to make the punch slower than the initial The speed of the punching speed is pressed; when the sensing switch is touched at the cutting point, the punch is continuously pressed or/and continuously stays for a preset period of time; and the lower limit protection sensing switch is activated At this time, the punch is raised until the tool origin sensing switch is touched and stopped.

Further, when the punch continues to press down or/and stays for a preset period of time, and the lower limit protection sensing switch is not touched, the punch is raised for a set time or raised to a set point, and then the next time stamping.

According to the above technical features, the following effects can be achieved:

1. Through the cooperative control of the software and hardware, the actuation timing control of the first control mode of the punch is achieved, wherein when the operation of the punch is modified at each timing, only the program of the software actuation control module needs to be modified. Yes, the application is more flexible.

2. With the control of soft and hard body, when the punch is controlled at different positions, there are different punching actions, wherein the setting is continued until the cutting point is reached, and then the pressing is continued or/and the stay is continued to ensure a thicker to be cut. The object was cut.

3. When the punch reaches the cutting point, the continuous pressing or / and the duration of the continuous stay can be set in the program of the software actuation control module, and the application is more flexible.

4. By the cooperative control of the software and hardware, the stop function of the cutting power control circuit is triggered, for example, when the emergency stop switch of the cutting tool machine is pressed, the control signal is fed back to the software actuation control module to be controlled by the software. The module then switches the signal state of the cutting power control circuit to control the nozzle to be parked or controlled to cause the punch to be lifted and then parked, thereby achieving the purpose of secondary shutdown of the cutting tool machine to ensure the machine Stop and avoid the situation that the machine is not properly stopped due to problems such as internal short circuit and abnormal contact, which improves safety.

5. With the cooperation of soft and hard body, after the continuous pressing or/and the end of the continuous stop, the punch can be set to raise the set time after the continuous pressing or/and the end of the continuous stay. Raise to a set point and then the next punch, which allows for faster stamping and saves time.

(1)‧‧‧Cutting machine

(11)‧‧‧ Hardware Actuation Control Module

(111)‧‧‧ Cutting power control circuit

(112)‧‧‧ Cutting position sensing circuit

(1121)‧‧‧Upper limit protection sensing switch

(1122)‧‧‧Tool origin sensing switch

(1123)‧‧‧Differential sensing switch

(1124)‧‧‧ Cutting point sensing switch

(1125)‧‧‧Lower limit protection sensing switch

(12)‧‧‧Power Module

(121)‧‧‧Hydraulic motor

(122)‧‧‧ machine motor

(13)‧‧‧ Punch

(14) ‧‧‧ countertops

(15)‧‧‧Cut knife

(151)‧‧‧ Cutting edge

(16)‧‧‧Self-holding circuit

(161) ‧‧‧Start switch

(162)‧‧‧Emergency stop switch

(163)‧‧‧ Relay

(1631), (1632) ‧ ‧ contacts

(2) ‧‧‧Computer devices

(21)‧‧‧Software actuation control module

(211)‧‧‧Computer Timer

(212)‧‧‧Logical judgment program

(3) ‧‧‧Power supply end

(A) ‧ ‧ to be cut

[First figure] is a functional block diagram of a software and hardware cooperative control system of a cutting tool machine according to an embodiment of the present invention.

[Second Picture] In the embodiment of the present invention, when the cutting is not started, the punch of the cutting tool machine is located at the tool origin, and the tool origin sensing switch senses the schematic of the punch.

[Third image] In the embodiment of the present invention, when the cutting starts, the punch of the cutting tool machine approaches the table.

[Fourth figure] In the embodiment of the present invention, the punch is approached to the table to the differential sensing switch to sense the punch, and the punch will be pressed at a speed slower than the initial punching speed.

[Fifth Figure] In the embodiment of the present invention, the punch is slowly pressed toward the table, and when the cutting point sensing switch senses the punch, the cutting edge is in contact with the table. Stamping to When the lower limit switch senses the punch, the cutting edge is just in contact with the schematic view of the table, and the figure shows that the bottom layer of the object to be cut is still not cut.

[Sixth Diagram] In the embodiment of the present invention, after the cutting point sensing switch senses the punch, the punch continues to press one of the preset first time, and then continues to pause for one of the preset second time to make the cut The bottom layer of the cut is indeed a schematic diagram of the cut.

[Seventh figure] In the embodiment of the present invention, the punch is pressed down beyond the cutting point and the schematic of the machine is damaged, and at this time, the lower limit protection switch senses the punch, and the punch will be lifted.

[Eighth image] In the embodiment of the present invention, the punch is lifted up to the upper limit protection sensing switch to sense the punch, and the punch will stop to protect the punch and the cutting machine.

[Ninth aspect] is a schematic diagram of power configuration of a software and hardware cooperative control system of a cutting tool machine according to an embodiment of the present invention.

In combination with the above technical features, the main effects of the software and hardware cooperative control system of the cutting tool machine of the present invention will be clearly shown in the following embodiments.

Referring to the first figure, the software and hardware cooperative control system of the cutting tool machine of the embodiment includes a hardware operation control module (11) and a software operation control module (21), which are via hardware. The actuation control module (11) and the software actuation control module (21) cooperate to achieve the "operational timing control" of the first control mode and/or the "safe stop control" function of the second control mode.

For example, a cutting tool machine (1) includes the hardware actuation control module (11) and a power module connected to the hardware actuation control module (11). a group (12) connected to one of the punches (13) of the power module (12), the hardware actuation control module (11) comprising a cutting power control circuit (111) and a cutting position sensing circuit (112) . The cutting power control circuit (111) can be controlled by the hardware actuation control module (11) or by the software actuation control module (21). The cutting position sensing circuit (112) is configured to sense the position of the punch (13) of the cutting tool machine (1) and send a sensing signal. also The power module (12) includes at least one hydraulic motor (121) and at least one machine motor (122) for supplying power to the cutting machine (1) and providing punching power to the punch (13) ).

For example, a computer device (2) includes the software operation control module (21), and the software operation control module (21) includes a computer timer (211) and a logic judgment program. (212) connecting the hardware operation control module (11) through an input/output (I/O) signal to receive the sensing signal or outputting a control signal to cause the cutting power control circuit (111) Signal status changes.

The actuation timing control of the first control mode is controlled by the software actuation control module (21), and the timing calculation and the sensing signal of the computer timer (211) are integrated, and the logic judgment program (212) outputs the output. The control signal to the hardware actuation control module (11) changes the signal state of the cutting power control circuit (111) to perform different cutting actuation timing control functions.

The safety stop control of the second control mode is controlled by the hardware actuation control module (11), and triggers the stop function of the cutting power control circuit (111), and simultaneously feedbacks the control signal to the software actuation control. The module (21) performs switching of the signal state of the safe stop of the cutting power control circuit (111) by the software actuation control module (21).

Referring to the first and second figures, the cutting position sensing circuit (12) includes an upper limit protection sensing switch (1121), a tool origin sensing switch (1122), and a differential sensing switch. (1123), a cutting point sensing switch (1124) and a lower limit protection sensing switch (1125), respectively, respectively, sensing that the punch (13) is at an upper limit point corresponding to each position in the stamping process The sensing signal is transmitted when a tool origin, a slow stamping point, a cutting point, and a lower limit protection point are used. Further, the punch (13) is simply shown in the third figure in conjunction with the actual positional relationship with the above-described sensing switch.

The actuation timing control of the first control mode includes: when the differential sensing switch (1123) is activated, pressing the punch (13) at a speed slower than the initial punching speed; at the cutting point When the sensing switch (1124) is touched, the punch (13) is continuously pressed or/and continuously stays for a preset period of time; when the lower limit protection sensing switch (1125) is touched, the punch is made ( 13) Raise to the tool origin The sensing switch (1122) is activated to stop; and when the punch (13) continues to be pressed or/and continues to stay for a preset period of time, and the lower limit protection sensing switch (1125) is not touched, the punch is made The head (13) is raised for a set time or raised to a set point, and then the next punch is performed.

2 to 8 show the actual stamping process that can be achieved by the punch (13) under the actuation timing control of the first control mode.

Referring first to the first, second and third figures, in the embodiment, the cutting tool machine (1) has a table (14) for placing a blank to be cut (A). The punch (13) is connected to a cutting knife (15) having a rim (151). When the cutting is not started, the punch (13) is located at the tool origin, and as shown in the second figure, the tool origin sensing switch (1122) senses the punch (13). At the beginning of the cutting, as shown in the third figure, the punch (13) is close to the table (14).

Referring to the first and fourth figures, the cutting position is sensed when the punch (13) approaches the table (14) until the differential sensing switch (1123) senses the punch (13). The circuit (112) generates a sensing signal, and integrates the timing and operation signals of the computer timer (211), and outputs a control signal to the hardware actuation control module (11) via the logic determination program (212). The signal state of the power control circuit (111) is changed, and the punch (13) is pressed at a speed slower than the initial punching speed, so that the cutting blade (15) is to be cut (A) Perform a slow cut to make the cut longitudinals flat.

Referring to the first and fifth figures, when the punch (13) performs slow stamping and continues to approach the table (14), when the cutting point sensing switch (1124) senses the punch (13) The cutting edge (151) is in contact with the table (14). However, if the object to be cut (A) has a relatively high toughness in a thick cloth or leather, the bottom layer of the object to be cut (A) is often cut continuously.

Referring to the first and sixth figures, in the embodiment, when the cutting point sensing switch (1124) senses the punch (13), the cutting position sensing circuit (112) generates a sensing signal. And the control signal (11) is outputted by integrating the timing and operation signals of the computer timer (211) and outputting the control signal to the hardware actuation control module (11) via the logic determination program (212). Signal status The change is such that the punch (13) continues to press one of the preset first time, and then continues to pause for one of the second time, so that the bottom layer of the object to be cut (A) is as shown in the fifth figure. It can be surely cut. The first time and the second time can be set in the program of the software actuation control module (21), and the application is more flexible. In addition, in this embodiment, after the first preset time and the second preset time, if the lower limit protection sensing switch (125) is not touched, the punch (13) is raised by a set time or Raise to a set point, then proceed to the next stamping, so that each press cut is performed more quickly.

Referring to the first, second and seventh figures, the protection of the machine, for example, when the table (14) is detached or damaged, or for other reasons, the punch (13) is pressed as shown in the seventh figure. Generally, the cutting point is exceeded to prevent the punch (13) from damaging the machine due to continuous lowering, as shown in the seventh figure, when the lower limit protection switch (1125) senses the punch (13), the cutting The position sensing circuit (112) generates a sensing signal, and outputs a control signal to the hardware actuation control module via a timing calculation and sensing signal of the integrated computer timer (211) and a logic determination program (212) ( 11), the signal state of the cutting power control circuit (111) is changed, and the punch (13) is lifted. And uplifting as shown in the second figure, when the tool origin sensing switch (1122) senses the punch (13), the signal state of the cutting power control circuit (111) is also changed to make the punch ( 13) Stop. By this, the punch (13) and the countertop (14) are protected.

Referring to the first and eighth figures, the present embodiment further includes the upper limit protection sensing switch (1121), which is used when the cutting tool machine (1) is abnormal due to control or other factors ( 13) too much lifting, when the lifting is too much as shown in the eighth figure, when the upper limit protection sensing switch (1121) senses the punch (13), the cutting power control circuit (111) The change of the signal state causes the punch (13) to stop, thereby protecting the punch (13) and the cutting machine (1).

As described above, the actuation timing control of the first control mode of the embodiment is achieved by the cooperative control of the software and hardware. When the operation of the punch (13) at each timing is to be modified, only the software needs to be modified. The program of the control module (21) can be activated, and the application is more flexible.

Referring to the ninth embodiment, the power configuration of the present embodiment will be described more specifically. The solid line connection line in the second figure indicates the connection line of the power, and the connection line of the broken line indicates the connection line of the signal. First, the power module (12), the hardware actuation control module (11), and the software actuation control module (21) are each independently connected to a power supply terminal (3), the power module (12) A self-holding circuit (16) is coupled between the power supply terminal (3), and the self-holding circuit (16) includes a start switch (161), an emergency stop switch (162), and a relay (163). The relay (163) includes a plurality of contacts (1631) (1632), and the power module (12) is coupled to the self-holding circuit (16) by electrically connecting one of the contacts (1631). Moreover, the cutting power control circuit (111) is connected to another contact (not shown) of the relay (163) to monitor whether the emergency stop switch (162) is disconnected.

In this embodiment, the stopping function of the cutting power control circuit (111) that triggers the cutting tool machine is that the emergency stop switch (162) of the self-holding circuit device (16) is disconnected. And when the cutting function of the cutting power control circuit (111) of the cutting tool machine is triggered, the cutting power control circuit (111) may pass back another control signal (not shown) to the control signal to the The software actuates the control module (21) to switch the signal state of the safe stop of the cutting power control circuit (111). Moreover, it should be noted that the software operation control module (21) outputs the signal through the timing calculation and sensing signal of the integrated computer timer (211), and the logic judgment program (212) outputs the signal, which may be by another A relay (not shown) achieves a change in the signal state of the cutting power control circuit (111) to achieve the control function of the different cutting actuation timings described above. After the software actuation control module (21) performs switching of the signal state of the safe stop of the cutting power control circuit (111), the switching of the signal state controls the nozzle (13) to be parked or controlled. The punch (13) is raised.

Referring to the ninth figure, an actual use situation of the safety stop control of the second control mode is described. When the cutting machine (1) has a problem such as a safe operation abnormality, the operator presses the emergency stop switch ( 162), the contact (1632) of the relay (163) connected in series by the power module (12) is disconnected, and the power module (12) is stopped due to power failure. However, if the cutting tool machine (1) has the contact An abnormality or an internal short circuit, etc., when the emergency stop switch (162) is pressed, the power module (12) fails to stop operating, and there are various safety problems. At this time, since the emergency stop switch (162) is turned off, the stop function of the cutting power control circuit (111) can be triggered by the relay (163), and the feedback is returned by another relay (not shown). The control signal to the software actuation control module (21) is configured to switch the signal state of the cutting power control circuit (111) by the software actuation control module (21), thereby controlling the punch (13) The parking or control causes the punch (13) to be lifted up and then parked, so as to achieve the purpose of secondary shutdown of the cutting tool machine (1), thereby improving safety.

In view of the foregoing description of the embodiments, the operation and the use of the present invention and the effects of the present invention are fully understood, but the above described embodiments are merely preferred embodiments of the present invention, and the invention may not be limited thereto. Included within the scope of the present invention are the scope of the present invention.

Claims (7)

A software and hardware cooperative control system for a cutting tool machine comprises: a hardware operation control module and a software operation control module, and cooperates with the software operation control module through the hardware operation control module to achieve the first The control mode actuation timing control and/or the second control mode safety stop control function, wherein: the hardware actuation control module comprises a cutting power control circuit and a cutting position sensing circuit, wherein the cutting power control circuit can be hard The body motion control module controls itself internally, or is controlled by the software actuation control module, and the cutting position sensing circuit is used to sense the punch position of the cutting tool machine to send the sensing signal; the software actuation control mode The group includes a computer timer and a logic judging program for connecting the hardware operation control module through the input/output signal to receive the sensing signal or outputting the control signal to change the signal state of the cutting power control circuit; the first control mode The actuation timing control is controlled by the software actuation control module, which integrates the timing calculation of the computer timer and the aforementioned sensing signal. The logic determining program outputs the control signal to the hardware actuation control module to change the signal state of the cutting power control circuit to perform a control function of different cutting actuation timings; the second control mode safety stop control is performed by a hard The main control of the body actuation control module triggers the stop function of the cutting power control circuit, and simultaneously feedbacks the control signal to the software actuation control module, so that the software actuation control module performs the safe stop signal of the cutting power control circuit. Switching of status. The software and hardware cooperative control system of the cutting tool machine according to the first aspect of the invention, wherein the cutting power control circuit transmits a control signal to the software actuation control module through a relay to achieve the Switching the signal state of the safe stop of the power control circuit; the logic determining program outputs a control signal to the hardware actuation control module through another relay to perform a control function of different cutting actuation timings. The software and hardware cooperative control system of the cutting tool machine according to claim 1, further comprising a power module connected to the hardware actuation control module, the power module comprising at least one hydraulic motor and at least The power module, the hardware actuation control module, and the software actuation control module are independently connected to a power supply end, and the power module and the power supply end are coupled to each other. The self-holding circuit, and the stopping function of the cutting power control circuit that triggers the cutting tool machine is: one of the self-holding circuits is disconnected. The soft hardware cooperative control system of the cutting tool machine according to claim 3, wherein the self-holding circuit comprises a relay, the relay comprises a plurality of contacts, and the power module is connected by a power connection. And the self-holding circuit is coupled to the self-holding circuit; when the cutting function of the cutting power control circuit of the cutting tool machine is triggered, the cutting power control circuit transmits the control signal to the software actuation control module through the relay In order to switch the signal state of the safe stop of the cutting power control circuit. The software and hardware cooperative control system of the cutting tool machine according to claim 1, further comprising a power module and a punch connected to the power module, wherein the power module comprises at least one hydraulic motor And at least one machine motor, wherein the software actuation control module performs switching of the signal state of the safe stop of the cutting power control circuit, so as to control the nozzle to be parked or controlled to raise the punch. The software and hardware cooperative control system of the cutting tool machine according to claim 1, further comprising a power module connected to the hardware actuation control module and a punch connected to the power module, the cutting The cutting position sensing circuit comprises an upper limit protection sensing switch, a tool origin sensing switch, a differential sensing switch, a cutting point sensing switch and a lower limit protection sensing switch; the cutting actuation timing control, When the differential sensing switch is touched, the punch is pressed at a speed slower than the initial punching speed; and when the sensing switch is touched at the cutting point, the punch is continuously pressed or/ And continuously staying for a preset period of time; and when the lower limit protection sensing switch is activated, the punch is raised until the tool origin sensing switch is activated to stop. The software and hardware cooperative control system of the cutting tool machine according to the sixth aspect of the invention, wherein the punch continues to press or/and continuously stays for a preset period of time, and the lower limit protection sensing is not touched. When switching, the punch is raised for a set time or raised to a set point, and then the next punch is performed.