Simple PLC all-in-one machine engineering control box platform teaching aid based on off-line Chinese programming

Abstract

The utility model discloses a simple PLC all-in-one machine engineering control box platform teaching aid based on off-line Chinese programming, relates to the programming teaching aid technology field, and comprises a programmer body and a storage box, one side of the programmer body is provided with a heat radiation fan, the surface of the programmer body is provided with a display window, the programmable platform used for a PLC engineering control box is characterized in that the PLC engineering control box is provided with a programmable controller, and the programmable controller is connected with the programmable controller. A display window, a temperature controller and an output control port are arranged, a travel switch can be externally connected through an external input interface, relays, LEDs, direct-current motors and the like can be externally connected through the output control port, and eight relays, LEDs and the like can be independently controlled or forward and reverse rotation of four direct-current motors can be controlled. Students can use off-line Chinese programming software programs in the programmer body for off-line programming, logic control over various machines can be achieved through visual Chinese programs, automatic production of the machines is achieved, connection with a computer is not needed during programming, off-line programming can be achieved, meanwhile, the programming programs are Chinese, and therefore the learning efficiency of the students is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of programming teaching aids, in particular to a simple PLC all-in-one engineering control box platform teaching aid based on offline Chinese programming. Background Art

[0002] Programmable Logic Controller (PLC) is a digital computing and operating electronic system designed for use in industrial environments. It uses a programmable memory to store instructions for performing logical operations, sequential control, timing, counting and arithmetic operations, and controls various types of mechanical equipment or production processes through digital or analog input and output. When studying PLC courses, you need to use a computer for programming, and you cannot learn programming anytime and anywhere, which affects students' learning efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a simple PLC all-in-one engineering control box platform teaching aid based on offline Chinese programming, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a simple PLC all-in-one engineering control box platform teaching aid based on offline Chinese programming, including a programmer body and a storage box, a cooling fan is installed on one side of the programmer body, a display window is installed on the surface of the programmer body, a temperature controller is installed on the surface of the programmer body and on one side of the display window, a plurality of input buttons are installed on the surface of the programmer body, a plurality of output control ports are installed on the rear surface of the programmer body, two temperature sensing input ports are installed on the rear surface of the programmer body and below the output control ports, a plurality of external input interfaces are installed on the front surface of the programmer body, and a switching power supply is installed inside the programmer body;

[0005] A circuit board is integrated inside the programmer body, and the circuit board includes an 8-way relay switch, a DC motor, 8-way external outputs, a temperature controller, a 24V switching power supply, a PLC all-in-one, and a K-type thermocouple. The 8-way relay switch can control the forward and reverse rotation of the motor, the 8-way external outputs can control relays, and the temperature controller is connected to one of the 8 external inputs when needed. The 8-way relay switch is connected to the DC motor, the 8-way relay switch is connected to the 8-way external outputs, and the PLC all-in-one is connected to the 8-way key switch and the 8-way external inputs.

[0006] Optionally, a storage cavity is provided inside the storage box, side grooves are provided inside the storage box and on both sides of the storage cavity, screw rods are rotatably connected inside the side grooves, moving blocks are threadedly connected to the outer sides of the screw rods, a first fixed plate is fixedly connected between the two moving blocks and located inside the storage cavity, the programmer body is mounted on the surface of the first fixed plate by screws, a base is fixedly connected to the bottom of the storage box, a first driving groove is provided inside the base, a threaded rod is rotatably connected to one side of the inner cavity of the first driving groove, a piston column is threadedly connected to the outer side of the threaded rod, a piston cavity is provided inside the base and at one end located in the first driving groove, one end of the piston column extends into the piston cavity, an air cavity is provided inside the base and below the first driving groove, a pipe is installed inside the base and on one side of the piston cavity, one end of the pipe extends into the air cavity, and the other end of the pipe extends into the piston cavity, a plurality of suction cups are provided at the bottom of the base, and the interiors of the suction cups are connected to the interior of the air cavity.

[0007] Optionally, a servo motor is fixedly connected to the other side of the inner cavity of the first driving groove, and the output end of the servo motor is connected to one end of the threaded rod, a movable groove is opened inside the base and above the first driving groove, and a second driving groove is opened inside the base and above the movable groove, the second driving groove is rotatably connected to the second rotating rod, and the bottom of the inner cavity of the second driving groove is rotatably connected to the connecting rod, and the outer sides of the connecting rod and the second rotating rod are both provided with a meshing first bevel gear, the bottom end of the connecting rod extends into the movable groove and is fixedly provided with a first transmission gear matching the rack, and the bottom ends of the lead screws extend into the second driving groove, and the outer sides of the lead screws and the second rotating rods are both provided with a meshing second bevel gear.

[0008] Optionally, two fixed blocks are fixedly connected at both ends of the storage box, a first rotating rod is rotatably connected between the two fixed blocks, a cover plate is fixedly sleeved on the outer side of the first rotating rod, one side of one of the fixed blocks is fixedly connected to a driving box, one end of the first rotating rod extends to the interior of the driving box and is fixedly sleeved with a worm gear, a worm gear that is rotatably connected to the worm gear is rotatably connected to the interior of the driving box, a third driving groove is opened inside the storage box and at one end of the worm gear, and the bottom end of the third driving groove extends to the interior of the base.

[0009] Optionally, one end of the worm gear extends into the interior of the third driving groove and is rotatably connected to one side of the inner cavity of the third driving groove, one side of the inner cavity of the third driving groove is rotatably connected to a connecting shaft, the connecting shaft and the outer side of the worm gear are both provided with a second pulley connected by a belt drive, the interior of the third driving groove and one end of the connecting shaft are rotatably connected to a third rotating rod, the third rotating rod and the outer side of the connecting shaft are both provided with a meshing third bevel gear, one side of the base is fixedly connected to a fixed box, and one end of the third rotating rod extends to the interior of the fixed box.

[0010] Optionally, a fixing groove is opened inside the base, a second fixing plate is fixedly connected to the inner cavity of the fixing groove, a driving rod is rotatably connected to the top of the second fixing plate, a rotating shaft is rotatably connected to the inner cavity of the fixing groove and located above the second fixing plate, the rotating shaft and the outer sides of the driving rod are both provided with a meshing fourth bevel gear, the bottom end of the driving rod extends into the movable groove and is fixedly provided with a second transmission gear matching the rack, one end of the rotating shaft extends into the fixed box, and the rotating shaft and the outer sides of the third rotating rod are both provided with a first pulley connected by a belt drive.

[0011] Optionally, a first limit sleeve is fixedly connected to the top of a cover plate, a connecting box is fixedly connected to the top of the first limit sleeve, a ball screw is rotatably connected to the inside of the connecting box, a clamping column is threadedly connected to the outer side of the ball screw, the bottom end of the clamping column extends to the inside of the first limit sleeve, and the top end of the ball screw extends to the top of the connecting box.

[0012] Optionally, a second limiting sleeve is fixedly connected to the top of the other cover plate, a plug post is slidably connected inside the second limiting sleeve, the diameter of the plug post matches the inner diameter of the first limiting sleeve, a slot is provided on the surface of the plug post, and the shape and size of the inner cavity of the slot matches the shape and size of one end of the plug post.

[0013] The utility model provides a simple PLC all-in-one engineering control box platform teaching aid based on offline Chinese programming, which has the following beneficial effects:

[0014] 1. The PLC engineering control box uses a programmable platform, which is equipped with a display window, a temperature controller and an output control port. It can be connected to an external travel switch through the external input interface, and to an external relay, LED, DC motor, etc. through the output control port. It can independently control 8 relays, LEDs, etc. or control the forward and reverse rotation of 4 DC motors. Students can use the offline Chinese programming software program in the programmer body for offline programming, and can realize the logical control of various machines through intuitive Chinese programs to realize the automated production of machinery. There is no need to connect to a computer during programming, and offline programming can be realized. At the same time, the programming program is in Chinese, which greatly improves students' learning efficiency.

[0015] 2. The programmable platform for the PLC engineering control box is provided with a suction cup, a base and a storage box. The suction cup can be used to prevent the platform from falling off the desktop during use, causing damage to the platform and affecting the use of the platform. When the platform needs to be moved and stored, the programmer body can be moved to the storage cavity for closed storage to prevent the programmer body from being bumped during movement or storage, causing damage to the programmer body and affecting the use of the platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the top view of the programming device body of the utility model;

[0017] Figure 2 This is a schematic diagram of the rear view structure of the programmer body of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the platform of the utility model;

[0019] Figure 4 This is a schematic diagram of the outer structure of the platform of the utility model;

[0020] Figure 5 This is a schematic diagram of the position structure of the two first pulleys of the utility model outside the rotating shaft;

[0021] Figure 6 For this utility model Figure 3 A magnified image of point A;

[0022] Figure 7 For this utility model Figure 3 The enlarged view of point B;

[0023] Figure 8 For this utility model Figure 3 Enlarged view of point C;

[0024] Fig. 9 For this utility model Figure 4 The enlarged view of point D;

[0025] Fig.10 This is a schematic diagram of the module structure of the utility model.

[0026] In the figure: 1. Programmer body; 2. Display window; 3. Temperature controller; 4. Input button; 5. Output control port; 6. Temperature sensor input port; 7. External input interface; 8. Storage box; 9. Storage cavity; 10. Base; 11. Side groove; 12. Screw rod; 13. Moving block; 14. First fixed plate; 15. Fixed block; 16. First rotating rod; 17. Cover plate; 18. First driving groove; 19. Servo motor; 20. Threaded rod; 21. Piston column; 22. Piston cavity; 23. Air cavity; 24. Pipeline; 25. Suction cup; 26. Moving groove; 27. Rack; 28. Second driving groove; 29. ​​Second rotating rod; 30. Connecting rod; 31, first transmission gear; 32, first bevel gear; 33, second bevel gear; 34, driving box; 35, worm wheel; 36, worm; 37, third driving slot; 38, connecting shaft; 39, third rotating rod; 40, third bevel gear; 41, fixed slot; 42, rotating shaft; 43, fourth bevel gear; 44, second fixed plate; 45, driving rod; 46, second transmission gear; 47, fixed box; 48, first pulley; 49, second pulley; 50, first limiting sleeve; 51, plug column; 52, connecting box; 53, ball screw; 54, clamping column; 55, clamping slot; 56, second limiting sleeve; 57, cooling fan. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] Embodiment 1

[0029] See also Figures 1 to 3 and Fig.10The utility model provides a technical solution: a simple PLC all-in-one engineering control box platform teaching aid based on offline Chinese programming, including a programmer body 1 and a storage box 8, a cooling fan 57 is installed on one side of the programmer body 1, a display window 2 is installed on the surface of the programmer body 1, a temperature controller 3 is installed on the surface of the programmer body 1 and on one side of the display window 2, a plurality of input buttons 4 are installed on the surface of the programmer body 1, a plurality of output control ports 5 are installed on the rear surface of the programmer body 1, and two temperature controllers are installed on the rear surface of the programmer body 1 and below the output control ports 5. The programmer body 1 has a temperature sensing input port 6, and several external input interfaces 7 are installed on the front surface of the programmer body 1. A switching power supply is installed inside the programmer body 1. There are X0-X7 external input interfaces 7, Y0-Y7 output control ports 5, and X0-X7 input buttons 4, all of which are light-touch non-self-locking switches. The programmer body 1 integrates a 6-way low-level trigger relay module, a temperature control module, a 24V switching power supply, a PLC all-in-one machine and input buttons. The 6-way low-level trigger relay module is used to control the forward and reverse rotation of the motor. The simple Chinese PLC all-in-one machine has 8-way transistor outputs;

[0030] A circuit board is integrated inside the programmer body 1, and the circuit board includes an 8-way relay switch, a DC motor, 8-way external outputs, a temperature controller, a 24V switching power supply, a PLC all-in-one, and a K-type thermocouple. The 8-way relay switch can control the forward and reverse rotation of the motor, the 8-way external outputs can control relays, and the temperature controller is connected to one of the 8 external inputs when needed. The 8-way relay switch is connected to the DC motor, the 8-way relay switch is connected to the 8-way external outputs, and the PLC all-in-one is connected to the 8-way key switch and the 8-way external inputs.

[0031] Embodiment 2

[0032] See also Figures 1 to 9The utility model provides a technical solution: a storage cavity 9 is provided inside the storage box 8, side grooves 11 are provided inside the storage box 8 and on both sides of the storage cavity 9, screw rods 12 are rotatably connected inside the side grooves 11, and moving blocks 13 are threadedly connected to the outer sides of the screw rods 12, and a first fixing plate 14 is fixedly connected between the two moving blocks 13 and located inside the storage cavity 9, the programmer body 1 is installed on the surface of the first fixing plate 14 by screws, a base 10 is fixedly connected to the bottom of the storage box 8, a first driving groove 18 is provided inside the base 10, a threaded rod 20 is rotatably connected to one side of the inner cavity of the first driving groove 18, and a piston column 21 is threadedly connected to the outer side of the threaded rod 20 A piston cavity 22 is provided inside the base 10 and at one end of the first driving groove 18, one end of the piston column 21 extends into the piston cavity 22, an air cavity 23 is provided inside the base 10 and below the first driving groove 18, a pipe 24 is installed inside the base 10 and on one side of the piston cavity 22, one end of the pipe 24 extends into the air cavity 23, and the other end of the pipe 24 extends into the piston cavity 22, a plurality of suction cups 25 are provided at the bottom of the base 10, the interior of the suction cups 25 are connected with the interior of the air cavity 23, and the suction cups 25 can be used to limit the platform to prevent the platform from falling off the desktop during use, causing damage to the platform and affecting the use of the platform.

[0033] The other side of the inner cavity of the first driving groove 18 is fixedly connected with a servo motor 19, and the output end of the servo motor 19 is connected to one end of the threaded rod 20. A movable groove 26 is provided inside the base 10 and located above the first driving groove 18. A second driving groove 28 is provided inside the base 10 and located above the movable groove 26. A second rotating rod 29 is rotatably connected inside the second driving groove 28. A connecting rod 30 is rotatably connected to the bottom of the inner cavity of the second driving groove 28. The connecting rod 30 and the outer sides of the second rotating rod 29 are both provided with meshing The first bevel gear 32, the bottom end of the connecting rod 30 extends to the inside of the moving groove 26 and is fixedly sleeved with a first transmission gear 31 that matches the rack 27, the bottom ends of the screw rod 12 extend to the inside of the second driving groove 28, and the outer sides of the screw rod 12 and the second rotating rod 29 are sleeved with a meshing second bevel gear 33, so that the moving block 13 can be driven to move by the screw rod 12, so that the moving block 13 drives the first fixed plate 14 and the programmer body 1 to move down to the storage cavity 9 or move from the storage cavity 9 to the top of the storage box 8.

[0034] Among them, two fixed blocks 15 are fixedly connected at both ends of the storage box 8, and a first rotating rod 16 is rotatably connected between the two fixed blocks 15. A cover plate 17 is fixedly sleeved on the outer side of the first rotating rod 16, and a driving box 34 is fixedly connected to one side of one fixed block 15. One end of the first rotating rod 16 extends to the inside of the driving box 34 and is fixedly sleeved with a worm gear 35. A worm 36 that is transmission-connected to the worm gear 35 is rotatably connected to the inside of the driving box 34. A third driving groove 37 is opened inside the storage box 8 and at one end of the worm gear 36. The bottom end of the third driving groove 37 extends to the inside of the base 10 to drive the cover plate 17 to rotate and open or close the top of the storage cavity 9.

[0035] Among them, one end of the worm 36 extends to the inside of the third driving groove 37 and is rotatably connected to one side of the inner cavity of the third driving groove 37, one side of the inner cavity of the third driving groove 37 is rotatably connected with a connecting shaft 38, the connecting shaft 38 and the outer side of the worm 36 are both sleeved with a second pulley 49 connected by belt transmission, the inside of the third driving groove 37 and one end of the connecting shaft 38 are rotatably connected with a third rotating rod 39, the third rotating rod 39 and the outer side of the connecting shaft 38 are both sleeved with a meshing third bevel gear 40, a fixed box 47 is fixedly connected to one side of the base 10, and one end of the third rotating rod 39 extends to the inside of the fixed box 47, so that when the piston column 21 moves, the second transmission gear 46 can be driven to work, and then the connecting shaft 38 can be driven to rotate, so as to drive the cover plate 17 to rotate.

[0036] Among them, a fixing groove 41 is opened inside the base 10, and a second fixing plate 44 is fixedly connected to the inner cavity of the fixing groove 41, and a driving rod 45 is rotatably connected to the top of the second fixing plate 44. A rotating shaft 42 is rotatably connected to the inner cavity of the fixing groove 41 and located above the second fixing plate 44. The outer sides of the rotating shaft 42 and the driving rod 45 are both sleeved with a meshing fourth bevel gear 43, and the bottom ends of the driving rod 45 extend to the inside of the movable groove 26 and are fixedly sleeved with a second transmission gear 46 matching the rack 27. One end of the rotating shaft 42 extends to the inside of the fixed box 47, and the outer sides of the rotating shaft 42 and the third rotating rod 39 are both sleeved with a first pulley 48 connected by belt drive, which can be moved by the rack 27 to drive the second transmission gear 46 to rotate, and then drive the two connecting shafts 38 to rotate, thereby driving the cover plate 17 to rotate.

[0037] Among them, a cover plate 17 is fixedly connected to the top with a first limit sleeve 50, and the top of the first limit sleeve 50 is fixedly connected to a connecting box 52. The inside of the connecting box 52 is rotatably connected to a ball screw 53, and the outer side of the ball screw 53 is threadedly connected to a clamping column 54. The bottom end of the clamping column 54 extends to the inside of the first limit sleeve 50, and the top end of the ball screw 53 extends to the top of the connecting box 52, so that the clamping column 54 can be driven to move by the ball screw 53, thereby controlling the limiting or releasing of the plug column 51.

[0038] Among them, a second limiting sleeve 56 is fixedly connected to the top of the other cover plate 17, and a plug post 51 is slidably connected inside the second limiting sleeve 56. The diameter of the plug post 51 matches the inner diameter of the first limiting sleeve 50. A card slot 55 is opened on the surface of the plug post 51. The shape and size of the inner cavity of the card slot 55 match the shape and size of one end of the card post 54. The two cover plates 17 can be fixed or released, so that students can move this platform or use this platform for programming learning.

[0039] In summary, the programmable platform for the PLC engineering control box can be carried by students for programming learning when in use. The platform is powered by a 240w switching power supply, and can be connected to an external travel switch through the external input interface 7 of X0-X7, and can be connected to an external relay, LED, DC motor, etc. through the output control port 5 of Y0-Y7. It can independently control 8 relays, LEDs, etc. or control the forward and reverse rotation of 4 DC motors. Students can use the offline Chinese programming software program in the programmer body 1 for offline programming, and can realize the logical control of various machines through intuitive Chinese programs to realize the automated production of machinery. There is no need to connect to a computer during programming, and offline programming can be realized. Moreover, the programming program is in Chinese, which can greatly improve the learning efficiency of students.

[0040] When using the platform, the base 10 is placed on the desktop, and then the ball screw 53 is rotated so that the ball screw 53 drives one end of the card column 54 to move out of the card slot 55, and then the plug column 51 is pulled to pull one end of the plug column 51 out of the first limiting sleeve 50, and then the output end of the servo motor 19 drives the threaded rod 20 to rotate, so that the threaded rod 20 drives the piston column 21 to move, so that the piston column 21 moves toward the inside of the first driving groove 18, thereby sucking the gas inside the suction cup 25 into the air cavity 23, and then sucking it into the piston cavity 22 through the pipe 24. As the piston column 21 moves, the available volume inside the piston cavity 22 increases, so that the air pressure inside the suction cup 25 decreases, and suction is generated inside the suction cup 25, so that the base 10 is limited on the desktop, and the movement of the piston column 21 drives the rack 27 to move. At this time, the rack 27 drives the second transmission gear 46 to rotate, so that the second transmission gear 46 drives the fourth bevel gear 43 to rotate through the driving rod 45, so that the fourth bevel gear 43 drives The movable rotating shaft 42 rotates, so that the rotating shaft 42 drives the third rotating rod 39 to rotate through the first pulley 48, so that the third rotating rod 39 drives the connecting shaft 38 to rotate through the third bevel gear 40, so that the connecting shaft 38 drives the worm 36 to rotate through the second pulley 49, so that the worm 36 drives the first rotating rod 16 to rotate through the worm gear 35, so that the first rotating rod 16 drives the cover 17 to rotate, so that the cover 17 is opened, and then the rack 27 is disengaged from the second transmission gear 46, and then the rack 27 continues to move, so that the rack 27 contacts with the first transmission gear 31, so that the rack 27 drives the first transmission gear 31 to rotate, so that the first transmission gear 31 drives the connecting rod 30 to rotate, so that the connecting rod 30 drives the second rotating rod 29 to rotate through the first bevel gear 32, so that the second rotating rod 29 drives the screw rod 12 to rotate through the second bevel gear 33, so that the screw rod 12 drives the moving block 13 and the first fixed plate 14 and the programmer body 1 to move upward, so that the students can operate the programmer body 1;

[0041] When not in use, the output end of the piston column 21 drives the threaded rod 20 to reset and rotate, so that the threaded rod 20 drives the piston column 21 to reset and move, so that the available volume inside the piston chamber 22 is reduced, and the suction cup 25 restores the internal air pressure, so that the suction force inside the suction cup 25 disappears, so that students can move the platform. When the piston column 21 moves, the piston column 21 drives the rack 27 to reset and move, so that the rack 27 contacts the first transmission gear 31, and then drives the first transmission gear 31 to reset and rotate. At this time, the first transmission gear 31 drives the second rotating rod 29 to reset and rotate, so that the second rotating rod 29 drives the screw rod 12 to reset and rotate, so that the screw rod 12 drives the moving block 13 to drive the first fixed plate 14 and the programmer body 1 to move down to the storage chamber 9. When the rack 27 is out of contact with the first transmission gear 31, the programmer body 1 moves to the inside of the storage chamber 9, and then the rack 27 and The second transmission gear 46 contacts, so that the rack 27 drives the second transmission gear 46 to reset and rotate, so that the second transmission gear 46 drives the third rotating rod 39 to reset and rotate, so that the third rotating rod 39 drives the connecting shaft 38 to reset and rotate, so that the connecting shaft 38 drives the worm 36 to reset and rotate through the second pulley 49, so that the worm 36 drives the first rotating rod 16 to reset and rotate through the worm gear 35, so that the first rotating rod 16 drives the cover plate 17 to rotate to the top of the storage box 8, and the inner cavity of the storage chamber 9 is closed. Then the student pushes one end of the plug column 51 into the first limit sleeve 50, and then the operator rotates the ball screw 53, so that the ball screw 53 drives one end of the card column 54 to insert into the card slot 55, thereby limiting the position of the plug column 51, and then limiting the position between the two cover plates 17, and then the student can drive the platform to move by holding the plug column 51 by hand.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A simple PLC all-in-one engineering control box platform teaching aid based on offline Chinese programming, characterized by: The programmer comprises a programmer body (1) and a storage box (8), a cooling fan (57) is installed on one side of the programmer body (1), a display window (2) is installed on the surface of the programmer body (1), a temperature controller (3) is installed on the surface of the programmer body (1) and located on one side of the display window (2), a plurality of input buttons (4) are installed on the surface of the programmer body (1), a plurality of output control ports (5) are installed on the rear surface of the programmer body (1), two temperature sensing input ports (6) are installed on the rear surface of the programmer body (1) and located below the output control ports (5), a plurality of external input interfaces (7) are installed on the front surface of the programmer body (1), and a switching power supply is installed inside the programmer body (1); The programmer body (1) is internally integrated with a circuit board, and the circuit board includes an 8-way relay switch, a DC motor, 8-way external outputs, a temperature controller, a 24V switching power supply, a PLC integrated machine, and a K-type thermocouple. The 8-way relay switch can control the forward and reverse rotation of the motor, the 8-way external outputs can control relays and LED lighting equipment, and the temperature controller is connected to one of the 8-way external inputs when needed. The 8-way relay switch is connected to the DC motor, the 8-way relay switch is connected to the 8-way external outputs, and the PLC integrated machine is connected to the 8-way key switch and the 8-way external inputs.

2. According to the teaching aid of the simple PLC all-in-one engineering control box platform based on offline Chinese programming in claim 1, it is characterized by: The storage box (8) has a storage cavity (9) therein, and side grooves (11) are provided inside the storage box (8) and on both sides of the storage cavity (9), the side grooves (11) are rotatably connected with screw rods (12), the outer sides of the screw rods (12) are threadedly connected with moving blocks (13), a first fixing plate (14) is fixedly connected between the two moving blocks (13) and located inside the storage cavity (9), the programmer body (1) is mounted on the surface of the first fixing plate (14) by screws, the bottom of the storage box (8) is fixedly connected with a base (10), the base (10) has a first driving groove (18) therein, and one side of the inner cavity of the first driving groove (18) is rotatably connected with a threaded rod (20), The outer side of the threaded rod (20) is threadedly connected to a piston column (21); a piston cavity (22) is provided inside the base (10) and at one end located at the first driving groove (18); one end of the piston column (21) extends into the piston cavity (22); an air cavity (23) is provided inside the base (10) and below the first driving groove (18); a pipe (24) is installed inside the base (10) and at one side of the piston cavity (22); one end of the pipe (24) extends into the air cavity (23); the other end of the pipe (24) extends into the piston cavity (22); a plurality of suction cups (25) are provided at the bottom of the base (10); the interior of each of the suction cups (25) is connected to the interior of the air cavity (23).

3. The simple PLC integrated machine engineering control box platform teaching aid based on offline Chinese programming according to claim 2 is characterized by: A servo motor (19) is fixedly connected to the other side of the inner cavity of the first driving groove (18), and the output end of the servo motor (19) is connected to one end of the threaded rod (20). A movable groove (26) is provided inside the base (10) and above the first driving groove (18). A second driving groove (28) is provided inside the base (10) and above the movable groove (26). A second rotating rod (29) is rotatably connected inside the second driving groove (28). The inner cavity of the second driving groove (28) The bottom of the connecting rod (30) is rotatably connected to the connecting rod (30), and the outer sides of the connecting rod (30) and the second rotating rod (29) are both sleeved with a meshing first bevel gear (32). The bottom end of the connecting rod (30) extends into the inside of the movable groove (26) and is fixedly sleeved with a first transmission gear (31) that matches the rack (27). The bottom end of the screw rod (12) extends into the inside of the second driving groove (28), and the outer sides of the screw rod (12) and the second rotating rod (29) are both sleeved with a meshing second bevel gear (33).

4. The simple PLC integrated machine engineering control box platform teaching aid based on offline Chinese programming according to claim 1 is characterized by: Two fixed blocks (15) are fixedly connected at both ends of the storage box (8), a first rotating rod (16) is rotatably connected between the two fixed blocks (15), a cover plate (17) is fixedly sleeved on the outer side of the first rotating rod (16), a driving box (34) is fixedly connected to one side of one of the fixed blocks (15), one end of the first rotating rod (16) extends into the interior of the driving box (34) and is fixedly sleeved with a worm gear (35), a worm (36) which is transmission-connected to the worm gear (35) is rotatably connected inside the driving box (34), a third driving groove (37) is opened inside the storage box (8) and at one end of the worm gear (36), and the bottom end of the third driving groove (37) extends into the interior of the base (10).

5. The simple PLC integrated machine engineering control box platform teaching aid based on offline Chinese programming according to claim 4 is characterized by: One end of the worm (36) extends into the third driving groove (37) and is rotatably connected to one side of the inner cavity of the third driving groove (37); one side of the inner cavity of the third driving groove (37) is rotatably connected to a connecting shaft (38); the outer sides of the connecting shaft (38) and the worm (36) are sleeved with a second pulley (49) connected by a belt transmission; the inside of the third driving groove (37) and one end of the connecting shaft (38) are rotatably connected to a third rotating rod (39); the third rotating rod (39) and the outer sides of the connecting shaft (38) are sleeved with a meshing third bevel gear (40); one side of the base (10) is fixedly connected to a fixed box (47); one end of the third rotating rod (39) extends into the fixed box (47).

6. The teaching aid of the simple PLC integrated machine engineering control box platform based on offline Chinese programming according to claim 2 is characterized by: A fixing groove (41) is provided inside the base (10), and a second fixing plate (44) is fixedly connected to the inner cavity of the fixing groove (41), and a driving rod (45) is rotatably connected to the top of the second fixing plate (44). A rotating shaft (42) is rotatably connected to the inner cavity of the fixing groove (41) and located above the second fixing plate (44). The outer sides of the rotating shaft (42) and the driving rod (45) are both sleeved with a fourth bevel gear (43) meshing with each other. The bottom end of the driving rod (45) extends into the inside of the moving groove (26) and is fixedly sleeved with a second transmission gear (46) matched with the rack (27). One end of the rotating shaft (42) extends into the inside of the fixed box (47), and the outer sides of the rotating shaft (42) and the third rotating rod (39) are both sleeved with a first pulley (48) connected by a belt drive.

7. The simple PLC integrated machine engineering control box platform teaching aid based on offline Chinese programming according to claim 4 is characterized by: A first limiting sleeve (50) is fixedly connected to the top of a cover plate (17), a connecting box (52) is fixedly connected to the top of the first limiting sleeve (50), a ball screw (53) is rotatably connected inside the connecting box (52), a clamping column (54) is threadedly connected to the outer side of the ball screw (53), a bottom end of the clamping column (54) extends to the inside of the first limiting sleeve (50), and a top end of the ball screw (53) extends to the top of the connecting box (52).

8. The teaching aid of the simple PLC integrated machine engineering control box platform based on offline Chinese programming according to claim 4 is characterized by: A second limiting sleeve (56) is fixedly connected to the top of the other cover plate (17), and a plug post (51) is slidably connected inside the second limiting sleeve (56). The diameter of the plug post (51) matches the inner diameter of the first limiting sleeve (50). A slot (55) is provided on the surface of the plug post (51), and the shape and size of the inner cavity of the slot (55) matches the shape and size of one end of the plug post (54).

Images