Large-specification gear measurement center electric control system

Abstract

The invention provides a large-specification gear measurement center electric control system, which comprises a multi-stage current protection circuit, a grading power-on circuit, a grounding protection circuit, an operation panel and handle signal processing circuit, a measuring head signal processing circuit, a temperature acquisition processing circuit, an STO circuit and a six-axis control circuit, the multi-stage current protection circuit is connected with the grading power-on circuit, the grading power-on circuit is connected with the grounding protection circuit, and the grounding protection circuit is connected with the operation panel and handle signal processing circuit, the measuring head signal processing circuit, the temperature acquisition processing circuit and the six-axis control circuit. The six-axis control circuit is connected with the STO circuit, the operation panel, the handle signal processing circuit and the measuring head signal processing circuit. The device can assist a large-specification gear measurement center model machine in filling the domestic blank, can realize the necessary functions related to measurement under various complex working conditions, and is high in anti-interference capability and convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of large-size gear measuring centers, and in particular to an electric control system for a large-size gear measuring center. Background Art

[0002] At present, there is no large-scale three-dimensional gear measuring center in China that can measure gears with a diameter of more than 1.5 meters. In particular, the electronic control system of the large-scale three-dimensional gear measuring center is the core of the large-scale three-dimensional gear measuring center. The development of the electronic control system of the large-scale three-dimensional gear measuring center can assist the large-scale gear measuring center prototype to fill the domestic gap. Therefore, it is very necessary to design an electronic control system for a large-scale gear measuring center. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide an electronic control system for a large-sized gear measuring center, which realizes 6-axis 5-linkage control.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides an electric control system for a large-size gear measuring center, comprising: a multi-stage current protection circuit, a hierarchical power-on circuit, a grounding protection circuit, an operation panel and a handle signal processing circuit, a probe signal processing circuit, a temperature acquisition processing circuit, an STO circuit, and a 6-axis control circuit, wherein the multi-stage current protection circuit is connected to the hierarchical power-on circuit, the hierarchical power-on circuit is connected to the grounding protection circuit, the grounding protection circuit is connected to the operation panel and the handle signal processing circuit, the probe signal processing circuit, the temperature acquisition processing circuit, and the 6-axis control circuit, the 6-axis control circuit is connected to the STO circuit, the operation panel and the handle signal processing circuit and the probe signal processing circuit, and the temperature acquisition processing circuit, the hierarchical power-on circuit, the operation panel and the handle signal processing circuit, the STO circuit, and the 6-axis control circuit are connected to a PC controller;

[0006] The multi-stage current protection circuit is used to prevent overcurrent from occurring in the circuit;

[0007] The hierarchical power-on circuit is used to supply control power, logic power and power power separately to prevent excessive current shock when powering on at the same time;

[0008] The ground protection circuit is used to implement ground protection;

[0009] The operation panel and handle signal processing circuit is used to process the IO signals and analog signals of the buttons and display lights of the operation panel and the handle signals through the RS485 communication protocol, respectively, and communicate with the bus control system to realize dual control of the operation panel and the handle. The bus controller performs real-time scanning, synchronously controls and outputs commands to the driver according to the corresponding proportional coefficients for the received IO signals and analog signals, and executes the corresponding movements. At the same time, a button lock is set to ensure that only one of the handle and the operation panel is effective, so that the controller does not receive two conflicting control signals at the same time;

[0010] The temperature acquisition and processing circuit is used to convert the PT100 temperature sensor into a digital signal access system, and communicate with the bus control system through the RS485 communication protocol. The controller uses the read value to calculate the temperature for display through the coefficient, and displays it in the computer's measurement software. At the same time, the use of the instrument is controlled according to the temperature range;

[0011] The STO circuit is used to realize STO emergency stop control. The STO of the 6-way driver is directly controlled by the emergency stop button to stop in an emergency. At the same time, the signal is sent to the controller, and the controller also makes a corresponding stop response action according to the received signal. ;

[0012] The 6-axis control circuit is used to realize the control of 5 linear axes and 1 rotary axis, and realize the closed-loop control of 6 axes and 4 linkages. The controller sends motion instructions to the driver through the tasks set by the program or the signals received manually, and receives the grating feedback of each of the 5 axes at the same time. According to the in-position error of each axis, real-time adjustment is performed to realize the full closed-loop control of 6 axes and 4 linkages;

[0013] The probe signal processing circuit is used to filter the probe signal and its power supply, and then connect it to the bus control system through the driver to complete the acquisition of the probe signal.

[0014] Preferably, the grounding protection circuit includes a terminal X11, a relay Q3 and a 220V circuit breaker F3, the relay Q3 is connected to the terminal X11 and the 220V circuit breaker F3, the 220V circuit breaker F3 is connected to the terminal X11, the terminal X11 is connected to the graded power-on circuit, the operation panel and the handle signal processing circuit, the probe signal processing circuit, the temperature acquisition and processing circuit and the 6-axis control circuit, and the terminal X11 performs protective grounding of the system through grounding protection.

[0015] Preferably, the multi-stage current protection circuit includes a knob switch Q1, a filter V1, an overcurrent protection circuit breaker Q2, a power supply PW2 and a driver L, the 220V power supply is connected to the knob switch Q1, the knob switch Q1 is connected to the filter V1, the filter V1 is connected to the overcurrent protection circuit breaker Q2, the overcurrent protection circuit breaker Q2 is connected to the graded power-on circuit and the power supply PW2, and the power supply PW2 is connected to the driver L.

[0016] Preferably, the hierarchical power-on circuit includes a start-stop switch S1, a relay K2 and a power supply PW, the overcurrent protection circuit breaker Q2 is connected to the power supply PW, the power supply PW is connected to a 24V circuit breaker F1, the 24V circuit breaker F1 is connected to the terminal X11, the start-stop switch S1 is connected to the relay K2, and the relay K2 is connected to the terminal X11.

[0017] Preferably, the operation panel and handle signal processing circuit include an operation panel QMB, an IO signal processing circuit board B22, a handle H1 and a column lift handle signal processing board B4, the operation panel QMB and the 6-axis control circuit are connected to the IO signal processing circuit board B22, the IO signal processing circuit board B22 is connected to the terminal X11, the handle H1 is connected to the column lift handle signal processing board B4, and the column lift handle signal processing board B4 is connected to the terminal X11.

[0018] Preferably, the temperature acquisition and processing circuit comprises a temperature sensor receiving module T2, and the temperature sensor receiving module T2 is connected to the connection terminal X11.

[0019] Preferably, the probe signal processing circuit includes a probe probe and a probe signal processing circuit board B11, the probe probe is connected to the probe signal processing circuit board B11, and the probe signal processing circuit board B11 is connected to the wiring terminal X11.

[0020] Preferably, the 6-axis control circuit includes driver X, driver Y, driver Z, driver C, driver X1 and driver L, the STO circuit is connected to the driver X, driver Y, driver Z, driver C, driver X1 and driver L, the IO signal processing circuit board B22 is connected to the driver C and driver Z, the probe signal processing circuit board B11 is connected to the driver X and driver Y, the drivers X, driver Y, driver Z, driver C, driver X1 and driver L are connected to the terminal X11, and the drivers X, driver Y, driver Z, driver C, driver X1 and driver L are connected to the PC controller.

[0021] According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0022] The present invention provides an electric control system for a large-size gear measuring center, which includes a multi-level current protection circuit, a hierarchical power-on circuit, a grounding protection circuit, an operation panel and a handle signal processing circuit, a probe signal processing circuit, a temperature acquisition processing circuit, an STO circuit, and a 6-axis control circuit. The present invention adopts a hierarchical power-on method for control to prevent excessive instantaneous current from causing damage to components. The control power, logic power, and power power are supplied separately to reduce mutual interference. An overcurrent protection circuit breaker is added to better protect the device when an accidental overcurrent occurs. At the same time, the STO emergency stop control is added to the driver to increase the reliability of the emergency stop. The grounding protection method is used to perform protective grounding of the system, increase the system's anti-interference performance, and increase the temperature real-time recording function, which can better monitor and control the impact of ambient temperature on the instrument's measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] Figure 1 A schematic diagram of a circuit provided by an embodiment of the present invention;

[0025] Figure 2 It is a schematic diagram of a multi-stage current protection circuit;

[0026] Figure 3 This is a schematic diagram of the hierarchical power-on circuit;

[0027] Figure 4 This is a schematic diagram of the ground protection circuit;

[0028] Figure 5 It is a schematic diagram of the operation panel and handle signal processing circuit;

[0029] Figure 6 This is a schematic diagram of the temperature acquisition and processing circuit;

[0030] Figure 7 This is the schematic diagram of the STO circuit;

[0031] Figure 8 This is a schematic diagram of the 6-axis control circuit;

[0032] Fig. 9 This is the schematic diagram of the probe signal processing circuit.

[0033] Figure numerals: 1. Multi-level current protection circuit; 2. Gradual power-on circuit; 3. Ground protection circuit; 4. Operation panel and handle signal processing circuit; 5. Temperature acquisition and processing circuit; 6. STO circuit; 7. 6-axis control circuit; 8. Probe signal processing circuit. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The purpose of the present invention is to provide an electronic control system for a large-sized gear measuring center, which can assist the large-sized gear measuring center prototype to fill the domestic gap, can realize the necessary measurement-related functions under various complex working conditions, has strong anti-interference ability, and is easy to use.

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0037] Figure 1 A circuit diagram provided for an embodiment of the present invention, such as Figure 1 As shown, the present invention provides an electric control system for a large-size gear measuring center, comprising: a multi-stage current protection circuit 1, a hierarchical power-on circuit 2, a grounding protection circuit 3, an operation panel and a handle signal processing circuit 4, a probe signal processing circuit 8, a temperature acquisition and processing circuit 5, an STO circuit 6, and a 6-axis control circuit 7, wherein the multi-stage current protection circuit 1 is connected to the hierarchical power-on circuit 2, the hierarchical power-on circuit 2 is connected to the grounding protection circuit 3, the grounding protection circuit 3 is connected to the operation panel and the handle signal processing circuit 4, the probe signal processing circuit 8, the temperature acquisition and processing circuit 5, and the 6-axis control circuit 7, the 6-axis control circuit 7 is connected to the STO circuit 6, the operation panel and the handle signal processing circuit 4 and the probe signal processing circuit 8, and the temperature acquisition and processing circuit 5, the hierarchical power-on circuit 2, the operation panel and the handle signal processing circuit 4, the STO circuit 6, and the 6-axis control circuit 7 are connected to a PC controller;

[0038] The multi-level current protection circuit 1 is used to prevent overcurrent in the circuit, ensuring that an overcurrent at a certain level during the operation of the instrument will not cause the entire system to fail;

[0039] The hierarchical power-on circuit 2 is used to supply control power, logic power and power power separately. The controller, display and switch power are powered on first through the rotary switch, and then the interlocking structure formed by the start-stop switch and the relay makes the 24V weak current powered on first at the moment of starting the start-stop switch, and then the other 220V in the system are powered on through the relay, thereby reducing the overcurrent impact of one power-on;

[0040] The ground protection circuit 3 is used to implement ground protection;

[0041] The operation panel and handle signal processing circuit 4 is used to process the IO signals and analog signals of the buttons and display lights of the operation panel and the handle signals through the RS485 communication protocol, respectively, to communicate with the bus control system to realize the dual control of the operation panel and the handle. The bus controller performs real-time scanning, synchronously controls and outputs commands to the driver according to the corresponding proportional coefficients, and executes the corresponding movement. At the same time, a button lock is set to ensure that only one of the handle and the operation panel is effective, so that the controller does not receive two conflicting control signals at the same time;

[0042] The temperature acquisition processing circuit 5 is used to convert the temperature sensor into a digital signal access, and communicate with the bus control system through the RS485 communication protocol. The temperature sensor adopts a PT1000 sensor. The value read by the controller is calculated as a real-time display temperature through a coefficient and displayed in the computer's measurement software. At the same time, the use of the instrument is controlled according to the temperature range;

[0043] The STO circuit 6 is used to realize STO emergency stop control. The STO of the 6-way driver is directly controlled by the emergency stop button to stop in an emergency. At the same time, the signal is sent to the controller, and the controller also makes a corresponding stop response action according to the received signal. The circuit schematic diagram is as follows: Figure 7 As shown;

[0044] The 6-axis control circuit 7 is used to realize the control of 5 linear axes and 1 rotary axis, and realize the closed-loop control of 6 axes and 4 linkages. The controller sends motion instructions to the driver through the tasks set by the program or the signals received manually, and receives the grating feedback of each of the 5 axes at the same time. According to the in-position error and motion state of each axis, real-time adjustment is performed to realize the full closed-loop control of 6 axes and 4 linkages;

[0045] The probe signal processing circuit 8 is used to filter the probe signal and its power supply of the large-size gear measuring center, and then connect it to the bus control system through the driver to complete the acquisition of the probe signal.

[0046] like Figure 4As shown, the grounding protection circuit 3 includes a terminal X11, a relay Q3 and a 220V circuit breaker F3. The relay Q3 is connected to the terminal X11 and the 220V circuit breaker F3. The 220V circuit breaker F3 is connected to the terminal X11. The terminal X11 is connected to a graded power-on circuit, an operation panel and a handle signal processing circuit, a probe signal processing circuit, a temperature acquisition processing circuit and a 6-axis control circuit. The terminal X11 performs protective grounding of the system by means of grounding protection.

[0047] like Figure 2 As shown, the multi-stage current protection circuit 1 includes a knob switch Q1, a filter V1, an overcurrent protection circuit breaker Q2, a power supply PW2 and a driver L. The 220V power supply is connected to the knob switch Q1, the knob switch Q1 is connected to the filter V1, the filter V1 is connected to the overcurrent protection circuit breaker Q2, the overcurrent protection circuit breaker Q2 is connected to the graded power-on circuit and the power supply PW2, and the power supply PW2 is connected to the driver L.

[0048] like Figure 3 As shown, the hierarchical power-on circuit 2 includes a start-stop switch S1, a relay K2 and a power supply PW, the overcurrent protection circuit breaker Q2 is connected to the power supply PW, the power supply PW is connected to the 24V circuit breaker F1, the 24V circuit breaker F1 is connected to the terminal X11, the start-stop switch S1 is connected to the relay K2, and the relay K2 is connected to the terminal X11.

[0049] like Figure 5 As shown, the operation panel and handle signal processing circuit 4 includes an operation panel QMB, an IO signal processing circuit board B22, a handle H1 and a column lift handle signal processing board B4, the operation panel QMB and the 6-axis control circuit are connected to the IO signal processing circuit board B22, the IO signal processing circuit board B22 is connected to the terminal X11, the handle H1 is connected to the column lift handle signal processing board B4, and the column lift handle signal processing board B4 is connected to the terminal X11.

[0050] like Figure 6 As shown, the temperature acquisition and processing circuit 5 includes a temperature sensor receiving module T2, and the temperature sensor receiving module T2 is connected to the connection terminal X11.

[0051] like Fig. 9 As shown, the probe signal processing circuit 8 includes a probe probe and a probe signal processing circuit board B11. The probe probe is connected to the probe signal processing circuit board B11, and the probe signal processing circuit board B11 is connected to the connection terminal X11.

[0052] like Figure 8 As shown, the 6-axis control circuit 7 includes a driver X, a driver Y, a driver Z, a driver C, a driver X1 and a driver L, the STO circuit is connected to the driver X, the driver Y, the driver Z, the driver C, the driver X1 and the driver L, the IO signal processing circuit board B22 is connected to the driver C and the driver Z, the probe signal processing circuit board B11 is connected to the driver X and the driver Y, the drivers X, the driver Y, the driver Z, the driver C, the driver X1 and the driver L are connected to the terminal X11, the drivers X, the driver Y, the driver Z, the driver C, the driver X1 and the driver L are connected to the PC controller, and the drivers X, the driver Y, the driver Z, the driver C, the driver X1 and the driver L are used to drive the motor to perform corresponding operations.

[0053] The driver receives the task instruction from the PC controller and drives the motor to move in a given way to measure the workpiece. During the movement, the actual running grating signal data is fed back to the driver to achieve closed-loop control. The driver transmits the actual grating data and probe acquisition data to the PC controller in real time through the ethercat bus control system. The PC controller processes and calculates the above data, displays the measurement error of the workpiece on the screen, and completes the overall measurement.

[0054] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0055] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A large-size gear measurement center electronic control system, characterized in that: include: A multi-stage current protection circuit, a hierarchical power-on circuit, a grounding protection circuit, an operation panel and a handle signal processing circuit, a probe signal processing circuit, a temperature acquisition processing circuit, an STO circuit, and a 6-axis control circuit, wherein the multi-stage current protection circuit is connected to the hierarchical power-on circuit, the hierarchical power-on circuit is connected to the grounding protection circuit, the grounding protection circuit is connected to the operation panel and the handle signal processing circuit, the probe signal processing circuit, the temperature acquisition processing circuit, and the 6-axis control circuit, the 6-axis control circuit is connected to the STO circuit, the operation panel and the handle signal processing circuit, and the probe signal processing circuit, and the temperature acquisition processing circuit, the hierarchical power-on circuit, the operation panel and the handle signal processing circuit, the STO circuit, and the 6-axis control circuit are connected to a PC controller; The multi-stage current protection circuit is used to prevent overcurrent from occurring in the circuit; The hierarchical power-on circuit is used to supply control power, logic power and power power separately; The ground protection circuit is used to implement ground protection; The operation panel and handle signal processing circuit is used to process the IO signals and analog signals of the buttons and display lights of the operation panel and the handle signals through the RS485 communication protocol, respectively communicating with the bus control system to achieve dual control of the operation panel and the handle; The temperature acquisition processing circuit is used to convert the temperature sensor into a digital signal for access and communicate with the bus control system through the RS485 communication protocol; The STO circuit is used to implement STO emergency stop control; The 6-axis control circuit is used to realize the control of 5 linear axes and 1 rotary axis, and realize the closed-loop control of 6 axes and 4 linkages; The probe signal processing circuit is used to filter the probe signal and its power supply.

2. The system according to claim 1, characterized in that The grounding protection circuit includes a terminal X11, a relay Q3 and a 220V circuit breaker F3. The relay Q3 is connected to the terminal X11 and the 220V circuit breaker F3. The 220V circuit breaker F3 is connected to the terminal X11. The terminal X11 is connected to a graded power-on circuit, an operation panel and a handle signal processing circuit, a probe signal processing circuit, a temperature acquisition and processing circuit and a 6-axis control circuit. The terminal X11 performs protective grounding of the system through grounding protection.

3. The system according to claim 2, characterized in that The multi-stage current protection circuit includes a knob switch Q1, a filter V1, an overcurrent protection circuit breaker Q2, a power supply PW2 and a driver L. The 220V power supply is connected to the knob switch Q1, the knob switch Q1 is connected to the filter V1, the filter V1 is connected to the overcurrent protection circuit breaker Q2, the overcurrent protection circuit breaker Q2 is connected to the graded power-on circuit and the power supply PW2, and the power supply PW2 is connected to the driver L.

4. The system according to claim 3, characterized in that The hierarchical power-on circuit includes a start-stop switch S1, a relay K2 and a power supply PW. The overcurrent protection circuit breaker Q2 is connected to the power supply PW, the power supply PW is connected to a 24V circuit breaker F1, the 24V circuit breaker F1 is connected to the wiring terminal X11, the start-stop switch S1 is connected to the relay K2, and the relay K2 is connected to the wiring terminal X11.

5. The system according to claim 4, characterized in that The operation panel and handle signal processing circuit include an operation panel QMB, an IO signal processing circuit board B22, a handle H1 and a column lift handle signal processing board B4. The operation panel QMB and the 6-axis control circuit are connected to the IO signal processing circuit board B22, the IO signal processing circuit board B22 is connected to the terminal X11, the handle H1 is connected to the column lift handle signal processing board B4, and the column lift handle signal processing board B4 is connected to the terminal X11.

6. The system according to claim 5, characterized in that The temperature acquisition and processing circuit includes a temperature sensor receiving module T2, and the temperature sensor receiving module T2 is connected to the connection terminal X11.

7. The system according to claim 6, characterized in that The probe signal processing circuit includes a probe probe and a probe signal processing circuit board B11. The probe probe is connected to the probe signal processing circuit board B11, and the probe signal processing circuit board B11 is connected to the connection terminal X11.

8. The system according to claim 7, characterized in that The 6-axis control circuit includes a driver X, a driver Y, a driver Z, a driver C, a driver X1 and a driver L, the STO circuit is connected to the driver X, the driver Y, the driver Z, the driver C, the driver X1 and the driver L, the IO signal processing circuit board B22 is connected to the driver C and the driver Z, the probe signal processing circuit board B11 is connected to the driver X and the driver Y, the drivers X, the driver Y, the driver Z, the driver C, the driver X1 and the driver L are connected to the terminal X11, and the drivers X, the driver Y, the driver Z, the driver C, the driver X1 and the driver L are connected to the PC controller.

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