Automatic process equipment simulation device based on industrial PLC control

Abstract

The invention discloses an automatic process equipment simulation device based on industrial PLC control, which comprises a main body structure and an electrical control cabinet, and is characterized in that the main body structure comprises a gantry support frame, linear modules, a servo motor, a vernier block, a measuring scale and a measuring seat, and the top of the gantry support frame is provided with a plurality of linear modules with sliding platforms; a servo motor is arranged at one end of each linear module, a vernier block and a measuring scale are arranged on the linear modules, and a laser tracker is mounted in the measuring seat; the electrical control cabinet is installed on the outer side of the gantry supporting frame, a control system is arranged in the electrical control cabinet and comprises an interaction layer, a control layer and an execution layer, and the servo motor controls the start and stop states of the servo motor through the execution layer under the action of the control layer. By adopting the simulation device, the control program is debugged and verified in the design stage, the project development period can be shortened, the manufacturing cost can be reduced, and the simulation device is suitable for popularization and application.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft assembly manufacturing, and in particular to an automated process equipment simulation device based on industrial PLC control. Background Art

[0002] With the development of aircraft assembly technology, electrification and intelligence have become the development trend. In the process of designing the PLC control program of automated tooling, the control program often needs to be verified on site many times in the actual assembly of the tooling. Not only is the process complicated and the accuracy is low, but also when two or more axes are coupled, displacement errors will be generated, and the operation accuracy will be inaccurate, resulting in operation failures. For the existing on-site verification method, not only does it cause the assembly and debugging of automated tooling to be time-consuming and labor-intensive, but it also has low work efficiency. Therefore, in order to compensate for the manufacturing and assembly tolerances of parts and effectively solve the problem of precise movement of large moving parts. It is very necessary to design a simulation device that can adjust the motion component in the XYZ direction, which can reduce on-site verification and assembly, thereby achieving the purpose of assisting the control program writing and program calibration, and verifying the accuracy of the program, so as to shorten the project development cycle, and effectively reduce the manufacturing cost, so as to meet the actual assembly needs. Summary of the invention

[0003] The technical problem to be solved by the present invention is to compensate for the manufacturing and assembly tolerances of parts and effectively solve the problem of precise movement of large moving parts, thereby providing a simulation device with simple structure and easy operation. By using this simulation device, by adjusting the moving components in the XYZ directions, the simulation control of the three-axis synchronous motion of the process equipment is realized to meet the actual assembly needs. Specifically, it is an automated process equipment simulation device based on industrial PLC control.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: an automated process equipment simulation device based on industrial PLC control, the simulation device includes a main structure and an electrical control cabinet, wherein the main structure includes a gantry support frame, a linear module, a servo motor, a vernier block, a measuring ruler and a measuring seat, a plurality of linear modules with sliding platforms are arranged on the top of the gantry support frame, the plurality of linear modules are interconnected to form a three-axis motion assembly with X direction, Y direction and Z direction, and a servo motor for driving the sliding platform in the linear module to make reciprocating linear movement is respectively arranged at one end of each of the linear modules, The vernier block is arranged on the sliding platform of the linear module in the Y direction, the measuring ruler is arranged on the sliding platform of the linear module in the X direction corresponding to the vernier block, and the measuring seat is arranged on the sliding platform of the linear module in the Z direction, and a detachable laser tracker is installed in the measuring seat; the electrical control cabinet is installed on the outside of the gantry support frame, and a control system is arranged in the electrical control cabinet, the control system includes an interaction layer, a control layer and an execution layer, the interaction layer is electrically connected to the control layer, the control layer is electrically connected to the execution layer, the laser tracker is wirelessly connected to the control layer, the execution layer is electrically connected to the servo motor, and the servo motor is controlled to start and stop state through the execution layer under the action of the control layer.

[0005] Furthermore, an automated process equipment simulation device based on industrial PLC control described in the present invention is adopted, wherein the gantry support frame includes a column, a base and a crossbeam, wherein the column is provided with four, and the four columns are divided into two groups, the two groups of columns are arranged in parallel on the base, and a crossbeam is fixedly connected to the middle and upper part of each group of columns, and the two crossbeams are arranged in parallel in the columns on the base; the linear modules are provided with four, namely linear module one, linear module two, linear module three and linear module four, wherein the linear module one and the linear module two are arranged in parallel on the top of the two groups of columns to form an X-axis motion assembly, the two ends of the linear module three are respectively fixed on the sliding platform of the linear module one and the sliding platform of the linear module two to form a Y-axis motion assembly, and an L-shaped connector is fixed on the sliding platform of the linear module three, the other end of the L-shaped connector is fixed on the linear module four, and the linear module four is connected to the sliding platform of the linear module three through the L-shaped connector to form a Z A servo motor for driving the linear module sliding platform to make reciprocating linear movement is respectively arranged at one end of the four linear modules, the vernier block is arranged on the linear module three away from the servo motor, the measuring ruler is arranged on the linear module one corresponding to the vernier block, and the measuring seat is arranged on the sliding platform of the linear module four away from the servo motor, and a detachable laser tracker is installed in the measuring seat; the four linear modules are formed into a three-axis motion assembly with X direction, Y direction and Z direction through a gantry support frame; the laser tracker and the servo motor are electrically connected to the control system respectively.

[0006] Furthermore, using the automated process equipment simulation device based on industrial PLC control described in the present invention, the interaction layer is used to send control parameters to the control layer and receive simulation operation data returned by the control layer; The control layer is used to receive control parameters and generate control signals to be sent to the execution layer, and receive signals collected by the laser tracker and feed the received signals back to the interaction layer. At the same time, the received signals are compared with the three-dimensional digital model configured in the control layer to generate operation data; The execution layer is used to receive the control signal and control the start and stop state of the servo motor according to the control signal, so as to realize the analog control of the three-axis synchronous motion of the process equipment.

[0007] Further, using the automation process equipment simulation device based on industrial PLC control described in the present invention, the interaction layer includes an industrial computer, an embedded industrial touch screen and an industrial switch, wherein the industrial computer and the industrial switch are both installed in an electrical control cabinet, and the embedded industrial touch screen is installed on the front side of the electrical control cabinet, and the industrial computer is electrically connected to the embedded industrial touch screen through the industrial switch; The control layer is a PLC control system, which includes a power supply, a CPU processor, an analog input module, a digital input module and a digital output module. The power supply provides power for the CPU processor, the input module and the analog input module are electrically connected to the I / O interface of the CPU processor, the embedded industrial touch screen is electrically connected to the CPU processor through an industrial switch, and is wirelessly connected to the digital input module, and the laser tracker is electrically connected to the CPU processor through the analog input module; The execution layer is a driver, and four drivers are provided. The four drivers are all installed in an electrical control cabinet, wherein the input ends of the four drivers are electrically connected to the CPU processor through a digital output module, and the output ends thereof are electrically connected to the servo motors installed in the linear module respectively.

[0008] Furthermore, an automated process equipment simulation device based on industrial PLC control described in the present invention is adopted, the sliding platform in the linear module includes a guide rail, and a slider is built into the guide rail, the slider is configured with a lead screw and a coupling, the slider is screwed into the lead screw, and the lead screw is connected to the output shaft of a servo motor installed at the end of the linear module through a coupling, and the slider is driven to move in the guide rail by the servo motor.

[0009] Furthermore, in the automated process equipment simulation device based on industrial PLC control described in the present invention, scale lines are provided in the vernier block, and the scale lines are divided into 50 equal parts with a spacing of 0.98 mm.

[0010] Furthermore, the automated process equipment simulation device based on industrial PLC control described in the present invention is adopted, and the measuring ruler is provided with scale lines, and the scale line spacing is 1 mm.

[0011] Furthermore, an automated process equipment simulation device based on industrial PLC control is adopted as described in the present invention, wherein the base is arranged as a rectangular structure, two groups of columns are arranged on the base in parallel along the length direction of the base, and a hanging ring is also installed in the base, and four hanging rings are provided, and the four hanging rings are installed at the four corners of the top of the base.

[0012] Compared with the prior art, the automated process equipment simulation device based on industrial PLC control described in the present invention has the following beneficial effects: since a linear module is installed on the gantry support frame in the main structure, and a servo motor for driving the sliding platform in the linear module to perform reciprocating linear movement is installed at one end of the linear module, a three-axis motion component with XYZ directions is formed through the cooperation of the linear module and the servo motor, and a laser tracker is installed on the motion component in the Z direction; and an electrical control cabinet is installed on the outside of the main structure, and a control system is arranged in the electrical control cabinet, the control system includes an interaction layer, a control layer and an execution layer, and a laser tracker is used to set the point spacing or measure the time spacing to form a record of the coordinate values ​​of key position data points, and the point data is compared with the three-dimensional digital model in the control layer, so as to verify the correctness of the three-coordinate control program.

[0013] It can be seen that the use of the simulation device described in the present invention can reduce traditional automated tooling. In a large number of research and development processes, the manufacturing links in design-manufacturing-debugging-feedback-correction are replaced by debugging and verifying the control program in the design stage, thereby achieving the purpose of assisting control program writing and program calibration, and verifying program accuracy. It can not only shorten the project development cycle, but also effectively reduce manufacturing costs, thereby improving work efficiency. Its overall structure is simple, easy to operate, and suitable for promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a structural schematic diagram of the main structure of the present invention; Figure 2 yes Figure 1 A schematic diagram of the enlarged local structure at point A in the middle; Figure 3 yes Figure 1 A magnified schematic diagram of the local structure at B in the middle; Figure 4 The electrical control cabinet described in the present invention; Figure 5 It is a structural schematic diagram of the control system described in the present invention; Figure 6 It is a control principle diagram of the control system described in the present invention.

[0016] As shown in the figure: 1-column, 2-base, 3-lifting ring, 4-linear module, 41-linear module one, 42-linear module two, 43-linear module three, 44-linear module four, 5-servo motor, 6-L-shaped connector, 7-crossbeam, 8-vernier block, 9-measuring ruler, 10-measuring seat, 11-electrical control cabinet. DETAILED DESCRIPTION

[0017] The following will be combined with 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. Example 1

[0018] like Figures 1 to 6 As shown, this embodiment provides an automated process equipment simulation device based on industrial PLC control, the simulation device includes a main structure and an electrical control cabinet 11, wherein: The main structure includes a gantry support frame, a linear module 4, a servo motor 5, a vernier block 8, a measuring ruler 9 and a measuring seat 10. A plurality of linear modules 4 with sliding platforms are arranged on the top of the gantry support frame. The plurality of linear modules 4 are interconnected to form a three-axis motion assembly with X, Y and Z directions. The specific installation method is that the Y-direction linear module 4 is installed on the sliding platform of the X-direction linear module 4, so that it can move back and forth linearly along the X direction with the sliding platform of the X-direction linear module 4, so that the measuring seat 10 can move in the X direction, and a servo motor 5 for driving the sliding platform in the linear module 4 to move back and forth linearly is respectively arranged at one end of each of the linear modules 4. The vernier block 8 is arranged on a sliding platform in the linear module 4 in the Y direction, the measuring ruler 9 is arranged on a sliding platform in the linear module 4 in the X direction corresponding to the vernier block 8, and the measuring seat 10 is arranged on a sliding platform in the linear module 4 in the Z direction, so that the measuring seat 10 can move back and forth in a straight line along the Z direction along with the sliding platform of the linear module 4 in the Z direction, and a detachable laser tracker is installed in the measuring seat 10; The electrical control cabinet 11 is installed on the outside of the gantry support frame, and a control system is arranged in the electrical control cabinet 11. The control system includes an interaction layer, a control layer and an execution layer. The interaction layer is electrically connected to the control layer, and the control layer is electrically connected to the execution layer. The laser tracker is wirelessly connected to the control layer, and the execution layer is electrically connected to the servo motor 5. Under the action of the control layer, the servo motor 5 controls the start and stop states of the servo motor 5 through the execution layer; the sliding platform in the linear module 4 includes a guide rail, and a slider is built in the guide rail. The slider is configured with a lead screw and a coupling. The slider is screwed in the lead screw, and the lead screw is connected to the output shaft of the servo motor 5 installed at the end of the linear module 4 through a coupling, and the slider is driven to move in the guide rail by the servo motor 5.

[0019] Furthermore, an automated process equipment simulation device based on industrial PLC control as described in this embodiment is adopted, the gantry support frame includes a column 1, a base 2 and a crossbeam 7, the column 1 is provided with four, the four columns 1 are divided into two groups, the two groups of columns 1 are arranged in parallel on the base 2, and a crossbeam 7 is fixedly connected to the middle and upper part of each group of columns 1, and the two crossbeams 7 are arranged in parallel in the columns 1 on the base 2; the linear module 4 is provided with four, namely linear module 1 41, linear module 2 42, linear module 3 43 and linear module 4 44, wherein the linear module 1 41 and the linear module 2 42 are arranged in parallel on the top of the two groups of columns 1 to form an X-axis motion component, and the two ends of the linear module 3 43 are respectively fixed on the sliding platform of the linear module 1 41 and the sliding platform of the linear module 2 42 to form a Y The linear module 44 is connected to the sliding platform of the linear module 43 in the Y direction through the L-shaped connecting piece 6, so as to form a Z-axis motion assembly; through the L-shaped connecting piece 6, the linear module 44 in the Z direction can move back and forth along the Y direction with the linear module 43 in the Y direction, so that the measuring seat 10 can move up and down on the sliding platform in the linear module 44 in the Z direction when moving in the Y direction. A servo motor 5 for driving the sliding platform of the linear module 4 to move back and forth is respectively provided at one end of the four linear modules 4, that is, the servo motor 5 is used to drive the slider to move in the guide rail. The vernier block 8 is arranged on the linear module three 43 on the side away from the servo motor 5, the measuring ruler 9 is arranged on the linear module one 41 corresponding to the vernier block 8, and the laser tracker measuring seat 10 is arranged on the linear module four 44 on the side away from the servo motor 5, and a detachable laser tracker is installed on the laser tracker measuring seat 10; the four linear modules 4 are formed into a three-axis motion component with X direction, Y direction and Z direction through a gantry support frame; the laser tracker and the servo motor 5 are electrically connected to the control system respectively.

[0020] Furthermore, an automated process equipment simulation device based on industrial PLC control as described in this embodiment is adopted, and the interaction layer is used to send control parameters to the control layer, and receive simulated operation data sent back by the control layer; the control layer is used to receive control parameters and generate control signals to send to the execution layer, and receive signals collected by the laser tracker, and feed back the received signals to the interaction layer, and at the same time, compare the received signals with the three-dimensional digital model configured in the control layer to generate operation data; the execution layer is used to receive the control signal and control the start and stop state of the servo motor 5 according to the control signal, so as to realize the simulation control of the three-axis synchronous motion of the process equipment.

[0021] Further, an automated process equipment simulation device based on industrial PLC control described in this embodiment is adopted, and the interaction layer includes an industrial computer, an embedded industrial touch screen and an industrial switch, wherein the industrial computer and the industrial switch are both installed in the electrical control cabinet 11, and the embedded industrial touch screen is installed on the front side of the electrical control cabinet 11, and the industrial computer is electrically connected to the embedded industrial touch screen through the industrial switch; The control layer is a PLC control system, which includes a power supply, a CPU processor, an analog input module, a digital input module and a digital output module. The power supply provides power for the CPU processor, the input module and the analog input module are electrically connected to the I / O interface of the CPU processor, the embedded industrial touch screen is electrically connected to the CPU processor through an industrial switch, and is wirelessly connected to the digital input module, and the laser tracker is electrically connected to the CPU processor through the analog input module; The execution layer is a driver, and four drivers are provided. The four drivers are all installed in the electrical control cabinet 11, wherein the input ends of the four drivers are electrically connected to the CPU processor through the digital output module, and the output ends thereof are electrically connected to the servo motor 5 installed in the linear module 4 respectively.

[0022] Furthermore, the automatic process equipment simulation device based on industrial PLC control described in this embodiment is adopted, and the vernier block 8 is provided with scale lines, which are divided into 50 equal parts and have a spacing of 0.98mm; and the measuring ruler 9 is provided with scale lines, and the scale line spacing is 1mm. In this way, the measurement feedback with an accuracy of 0.02mm can be achieved. In addition, since a laser tracker is installed in the Z-axis motion component, the Z-axis can be continuously measured by the laser tracker, and after forming a data point set, a motion trajectory is generated. In addition to effectively verifying the measurement size of the vernier, continuous measurement can also be formed to capture the full measurement data in the linkage formed by the point movement in the motion trajectory, thereby obtaining a full process data record. Example 2

[0023] This embodiment is based on the embodiment 1. In order to facilitate the fixing of the base 2 and meet the simulation requirements of different process equipment, the simulation device described in this embodiment is adopted. The base 2 is set as a rectangular parallelepiped structure. Two groups of columns 1 are arranged on the base 2 in a parallel state along the length direction of the base 2. A hanging ring 3 is also installed in the base 2. There are four hanging rings 3, and the four hanging rings 3 are installed at the four corners of the top of the base 2. Through the four hanging rings 3, the base 2 can be fixed to the ground with a steel wire rope, so that the base 2 is kept in a horizontal state, without the need to level the ground used to support the base 2, thereby meeting the simulation requirements of different places and different process equipment.

[0024] like Figure 5 and Figure 6 As shown, an automated process equipment simulation device based on industrial PLC control provided by the present invention is adopted, the control system is connected through an industrial switch, the control program of the PLC control system is imported into the industrial computer (computer host) and then stored in the CPU processor in the PLC control system, and the embedded industrial touch screen is operated, and the CPU processes information and feeds back to the input and output modules of the PLC control system, thereby controlling the movement and stop working state of the servo motor 5. After the program is written and input, the PLC control system controls the servo motor 5 to drive the slider in the linear module 4 to produce relative movement on the slide rail, and the vernier block 8 is installed on the slider according to the principle of the vernier caliper, and the measuring ruler 9 is installed on the slide rail, and the actual displacement on the measuring ruler is read and compared with the displacement in the control program, so as to correct the movement speed or zero point coordinate value in the control program, and achieve the purpose of precise synchronous movement of two or three axes.

[0025] At the same time, since a measuring seat 10 is installed on the Z-axis and a laser tracker is installed in the measuring seat 10, the laser tracker is used to set the point spacing or measurement time spacing to form a record of the coordinate values ​​of key position data points, and the point data is compared with the three-dimensional digital model to verify the correctness of the three-coordinate control program.

[0026] In the specific simulation application process, its working principle or working steps are as follows: 1. Write the axis control jog function program and the human-machine interface, control the electrical components connected to it through the PLC control system, and then realize the jog movement to be performed, that is, respectively control the servo motors 5 installed on the linear module 1 41 (X1 axis), the linear module 2 42 (X2 axis), the linear module 3 43 (Y axis) and the linear module 4 44 (Z axis), and drive the lead screw to rotate through the servo motor 5. Since the slider is screwed to the lead screw, the slider built in the guide rail can be driven to move with the lead screw when the lead screw rotates, thereby realizing the jog movement to be performed; 2. Write the axis control automatic function program and the human-machine interface, and control the electrical components connected to it through the PLC control system to realize the automatic movement of the desired specific trajectory, that is, to realize the analog control of the X1 axis, X2 axis, Y axis and Z axis respectively; 3. Since the scale lines of the vernier block 8 are divided into 50 equal parts with a spacing of 0.98 mm, and the scale line spacing of the measuring ruler 9 is 1 mm, the measurement accuracy of 0.02 mm can be achieved; 4. The laser tracker installed on the Z-axis can be used to assist in continuous measurement and feedback motion data.

[0027] The present invention provides an automated process equipment simulation device based on industrial PLC control, wherein the industrial computer can be an existing computer host, the PLC control system uses an AM402-CPU1608TN controller, the driver uses an SV660NS2R8 servo driver, and the servo motor 5 uses an MS1H1-40B30CB-A331Z servo motor. The corresponding process equipment simulation device can be realized by importing the program digital quantity corresponding to the embedded industrial touch screen (human-machine control interface) through independent development and design, and then running the program. Since the electrical equipment used belongs to the common equipment in the prior art, it can be purchased on the existing market, and the independently developed and designed program can be adjusted according to different process equipment, which belongs to the conventional design in this field, so it is not described in detail.

[0028] It can be seen that, with the simulation device described in the present invention, a linear module 4 is installed on the gantry support frame in the main structure, and a servo motor 5 is installed at one end of the linear module 4. Through the cooperation of the linear module 4 and the servo motor 5, a three-axis motion component with XYZ directions is formed, and a laser tracker is installed on the motion component in the Z direction; and an electrical control cabinet 11 is installed on the outside of the main structure, and a control system is arranged in the electrical control cabinet 11. The control system includes an interaction layer, a control layer and an execution layer. The laser tracker is used to set the point spacing or measure the time spacing to form a record of the coordinate values ​​of the key position data points, and the point data is compared with the three-dimensional digital model in the control layer, so as to verify the correctness of the three-coordinate control program.

[0029] In summary, the use of the simulation device described in the present invention can reduce traditional automated tooling. In a large number of research and development processes, the manufacturing links in design-manufacturing-debugging-feedback-correction are replaced by debugging and verifying the control program in the design phase, thereby achieving the purpose of assisting control program writing and program calibration, and verifying program accuracy. It can not only shorten the project development cycle, but also effectively reduce manufacturing costs, thereby improving work efficiency. Its overall structure is simple, easy to operate, and suitable for promotion and application.

[0030] Other details of the present invention are conventional technologies known to those skilled in the art and are therefore not described in detail.

[0031] The protection scope of the present invention is not limited to the technical solutions disclosed in the specific implementation methods. The above description is only a preferred implementation method of the present invention and does not limit the present invention. Any minor modifications, equivalent substitutions and improvements made according to the technical solutions of the present invention should be included in the protection scope of the technical solutions of the present invention.

Claims

1. An automated process equipment simulation device based on industrial PLC control, characterized in that: The simulation device comprises a main structure and an electrical control cabinet (11), wherein: The main structure comprises a gantry support frame, a linear module (4), a servo motor (5), a vernier block (8), a measuring ruler (9) and a measuring seat (10). A plurality of linear modules (4) having sliding platforms are arranged on the top of the gantry support frame. The plurality of linear modules (4) are interconnected to form a three-axis motion assembly having X direction, Y direction and Z direction. A servo motor (5) for driving the sliding platform in the linear module (4) to perform reciprocating linear movement is arranged at one end of each of the linear modules (4). The vernier block (8) is arranged on the sliding platform of the linear module (4) in the Y direction. The measuring ruler (9) is arranged on the sliding platform of the linear module (4) in the X direction corresponding to the vernier block (8). The measuring seat (10) is arranged on the sliding platform of the linear module (4) in the Z direction. A detachable laser tracker is installed in the measuring seat (10). The electrical control cabinet (11) is installed on the outside of the gantry support frame. A control system is arranged in the electrical control cabinet (11). The control system includes an interaction layer, a control layer and an execution layer. The interaction layer is electrically connected to the control layer. The control layer is electrically connected to the execution layer. The laser tracker is wirelessly connected to the control layer. The execution layer is electrically connected to the servo motor (5). Under the action of the control layer, the servo motor (5) controls the start and stop state of the servo motor (5) through the execution layer.

2. The automated process equipment simulation device based on industrial PLC control according to claim 1, characterized in that: The gantry support frame comprises a column (1), a base (2) and a crossbeam (7), wherein the column (1) is provided with four, and the four columns (1) are divided into two groups, the two groups of columns (1) are arranged in parallel on the base (2), and a crossbeam (7) is fixedly connected to the middle and upper part of each group of columns (1), and the two crossbeams (7) are arranged in parallel in the columns (1) on the base (2); the linear module (4) is provided with four, namely, linear module 1 (41), linear module 2 (42), linear module 3 (43) and linear module 4 (44), wherein the linear module 1 (41) and the linear module 2 (42) are arranged in parallel on the top of the two groups of columns (1) to form an X-axis motion component, and the two ends of the linear module 3 (43) are respectively fixed on the sliding platforms of the linear module 1 (41) and the linear module 2 (42) to form a Y The invention relates to a Z-axis motion assembly, and an L-shaped connecting piece (6) is fixed on the sliding platform of the linear module (43), and the other end of the L-shaped connecting piece (6) is fixed on the linear module (44). The linear module (44) is connected to the sliding platform of the linear module (43) through the L-shaped connecting piece (6), so as to form a Z-axis motion assembly; a servo motor (5) for driving the sliding platform of the linear module (4) to make reciprocating linear movement is respectively provided at one end of the four linear modules (4). The vernier block (8) is arranged on a linear module three (43) on a side away from the servo motor (5), the measuring ruler (9) is arranged on a linear module one (41) corresponding to the vernier block (8), and the measuring seat (10) is arranged on a linear module four (44) on a side away from the servo motor (5), and a detachable laser tracker is installed in the measuring seat (10); the four linear modules (4) are formed into a three-axis motion assembly with X direction, Y direction and Z direction through a gantry support frame; the laser tracker and the servo motor (5) are respectively electrically connected to a control system.

3. The automated process equipment simulation device based on industrial PLC control according to claim 2 is characterized in that: The interaction layer is used to send control parameters to the control layer and receive simulation operation data returned by the control layer; The control layer is used to receive control parameters and generate control signals to be sent to the execution layer, and receive signals collected by the laser tracker and feed the received signals back to the interaction layer. At the same time, the received signals are compared with the three-dimensional digital model configured in the control layer to generate operation data; The execution layer is used to receive the control signal and control the start and stop state of the servo motor (5) according to the control signal, so as to realize the analog control of the three-axis synchronous motion of the process equipment.

4. The automated process equipment simulation device based on industrial PLC control according to claim 3 is characterized in that: The interaction layer includes an industrial computer, an embedded industrial touch screen and an industrial switch, wherein the industrial computer and the industrial switch are both installed in an electrical control cabinet (11), and the embedded industrial touch screen is installed on the front side of the electrical control cabinet (11), and the industrial computer is electrically connected to the embedded industrial touch screen via the industrial switch; The control layer is a PLC control system, which includes a power supply, a CPU processor, an analog input module, a digital input module and a digital output module. The power supply provides power to the CPU processor. The input module (33) and the analog input module (34) are electrically connected to the I / O interface of the CPU processor (32). The embedded industrial touch screen is electrically connected to the CPU processor via an industrial switch and is wirelessly connected to the digital input module. The laser tracker is electrically connected to the CPU processor via the analog input module. The execution layer is a driver, and four of the drivers are provided. The four drivers are all installed in an electrical control cabinet (11), wherein the input ends of the four drivers are electrically connected to a CPU processor via a digital output module, and the output ends thereof are electrically connected to a servo motor (5) installed in a linear module (4), respectively.

5. The automated process equipment simulation device based on industrial PLC control according to claim 4 is characterized in that: The sliding platform in the linear module (4) includes a guide rail, and a slider is built into the guide rail. The slider is equipped with a lead screw and a coupling. The slider is screwed into the lead screw. The lead screw is connected to the output shaft of a servo motor (5) installed at the end of the linear module (4) through the coupling. The servo motor (5) drives the slider to move in the guide rail.

6. The automated process equipment simulation device based on industrial PLC control according to claim 2 is characterized in that: The vernier block (8) is provided with scale lines, which are divided into 50 equal parts and have a spacing of 0.98 mm.

7. The automated process equipment simulation device based on industrial PLC control according to claim 2 is characterized in that: The measuring ruler (9) is provided with scale lines, and the scale line spacing is 1 mm.

8. The automated process equipment simulation device based on industrial PLC control according to claim 2 is characterized in that: The base (2) is configured as a rectangular parallelepiped structure, and two groups of columns (1) are arranged on the base (2) in a parallel state along the length direction of the base (2), and a hanging ring (3) is also installed in the base (2), and four hanging rings (3) are provided, and the four hanging rings (3) are installed at the four corners of the top of the base (2).

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