Intelligent servo gate proportioning valve

Abstract

The utility model discloses an intelligent servo flashboard proportion regulating valve, which belongs to the technical field of regulating valves and comprises a flashboard valve body, the flashboard valve body comprises a valve seat and a flashboard valve core, and the flashboard valve core is slidably connected in the valve seat; the servo control system is used for driving the gate valve element to move, the servo control system comprises a touch screen, a PLC control system, a servo controller and a servo motor, the touch screen is connected with the PLC control system, the PLC control system is connected with the servo controller, and the servo controller is connected with the servo motor; the output end of the servo motor is connected with the input end of the speed reducer; and the vertical transmission device is used for realizing transmission between the speed reducer and the gate valve core and is arranged between the speed reducer and the gate valve core. According to the utility model, the servo motor and the servo controller are matched with the PLC system to realize intelligent servo control of the flashboard regulating valve, so that the control precision is ensured, and the response speed is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of regulating valves, in particular to an intelligent servo gate proportional regulating valve. Background Art

[0002] The main regulating valves used in the current market are electric regulating butterfly valves and pneumatic diaphragm valves. The advantages of electric regulating butterfly valves are simple structure, easy installation, and high cost performance; the disadvantages are poor linearity, long valve position action cycle, and are not suitable for projects that require control accuracy. Pneumatic diaphragm valves have good adjustability and service life, and good valve body sealing. The disadvantage is that they must be equipped with expensive imported positioners, and the steps for setting and zeroing the positioners are cumbersome; in addition, an air compressor must be added to provide an air source, otherwise the equipment cannot operate.

[0003] In various industrial production processes, it is often necessary to accurately control the flow of fluids. Although traditional proportional control valves can complete flow control tasks, they generally have slow response speeds and low control accuracy. With the development of intelligent manufacturing, the requirements for the intelligence and precision of flow control equipment are becoming higher and higher; therefore, we propose an intelligent servo gate proportional control valve to solve this problem. Utility Model Content

[0004] The utility model aims to provide an intelligent servo gate proportional control valve to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An intelligent servo gate proportional control valve, comprising:

[0007] A gate valve body, the gate valve body comprising a valve seat and a gate valve core, the gate valve core being slidably connected in the valve seat;

[0008] A servo control system, used to drive the gate valve core to move, the servo control system includes a touch screen, a PLC control system, a servo controller and a servo motor, the touch screen is connected to the PLC control system, the PLC control system is connected to the servo controller, and the servo controller is connected to the servo motor;

[0009] A reducer, wherein the output end of the servo motor is connected to the input end of the reducer;

[0010] The vertical transmission device is used to realize the transmission between the reducer and the gate valve core, and the vertical transmission device is arranged between the reducer and the gate valve core.

[0011] Preferably, the vertical transmission device includes a connecting tube, a threaded sleeve and a screw, the threaded sleeve is threadedly sleeved on the outside of the screw, and the threaded sleeve is slidably connected in the connecting tube, the bottom of the threaded sleeve is fixedly connected to the top of the gate valve core, the top of the screw is fixedly connected with a coupling, and the coupling is fixedly connected to the output end of the reducer.

[0012] Preferably, both sides of the threaded sleeve are fixedly connected with limit plates, and both side inner walls of the connecting tube are provided with limit grooves, and the two limit plates are slidably connected in the corresponding limit grooves respectively.

[0013] Preferably, a bracket is fixedly connected to the top end of the connecting cylinder, the bracket is fixedly mounted on the bottom of the reducer, and the reducer is fixedly mounted on the bottom of the servo motor.

[0014] Preferably, a support frame is fixedly connected to the bottom of the connecting cylinder, and the support frame is fixedly connected to the top of the valve seat.

[0015] Preferably, a sliding hole is provided at the bottom of the connecting cylinder, and the gate valve core is slidably connected in the sliding hole.

[0016] Preferably, a plurality of mounting holes are provided on the front side of the valve seat.

[0017] Preferably, a pad is fixedly mounted on the top of the support frame, a positioning seat is fixedly mounted on the top of the pad by means of fastening bolts, and the positioning seat is fixedly mounted on the outer side of the connecting tube.

[0018] In the utility model, the intelligent servo gate proportional regulating valve is described. The debugging personnel controls the servo driver by controlling the touch screen to set the valve position opening degree, and sets the servo motor running speed and the target rotation angle on the touch screen. The servo motor starts to rotate and drives the reducer to run. The output shaft of the reducer drives the screw to rotate together through the linkage. The screw drives the gate valve core up and down through the threaded transmission with the threaded sleeve and under the guidance of the limit plate, thereby adjusting the opening degree of the gate valve core to open or close and controlling the amount of air flowing through.

[0019] The utility model has a reasonable structural design, and realizes intelligent servo control of the gate regulating valve through a servo motor, a servo controller and a PLC controller system, thereby ensuring control accuracy and improving response speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional structural schematic diagram of an intelligent servo gate proportional control valve proposed by the utility model;

[0021] Figure 2This is a front structural schematic diagram of an intelligent servo gate proportional control valve proposed by the utility model;

[0022] Figure 3 This is a side structural schematic diagram of an intelligent servo gate proportional control valve proposed by the utility model;

[0023] Figure 4 It is a side view cross-sectional structure schematic diagram of an intelligent servo gate proportional control valve proposed by the utility model;

[0024] Figure 5 This is a system block diagram of the servo control system proposed by the utility model.

[0025] In the figure: 1. valve seat; 101. gate valve core; 2. reducer; 3. vertical transmission device; 301. connecting tube; 302. limit plate; 303. threaded sleeve; 304. limit groove; 305. screw; 4. servo motor; 5. bracket; 6. coupling; 7. pad; 8. positioning seat; 9. fastening bolt; 10. support frame; 11. touch screen; 12. PLC control system; 13. servo controller. DETAILED DESCRIPTION

[0026] 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.

[0027] Reference Figure 1-5 , an intelligent servo gate proportional control valve, comprising:

[0028] The gate valve body includes a valve seat 1 and a gate valve core 101. A plurality of mounting holes are provided on the front side of the valve seat 1. The gate valve core 101 is slidably connected in the valve seat 1. The gate valve core 101 is made of stainless steel, thereby ensuring its corrosion resistance, good sealing performance, high temperature and high pressure resistance, and extending its service life.

[0029] The servo control system is used to drive the gate valve core 101 to move. The servo control system includes a touch screen 11, a PLC control system 12, a servo controller 13 and a servo motor 4. The touch screen 11 is connected to the PLC control system 12, the PLC control system 12 is connected to the servo controller 13, and the servo controller 13 is connected to the servo motor 4. The PLC control system 12 is designed to operate stably in a harsh industrial environment, has a strong anti-interference ability, and can ensure long-term stable working performance. The maintenance of the PLC control system 12 is relatively simple, usually only requiring replacement of the corresponding module or adjustment of the software. The PLC can be programmed to adapt to different industrial control requirements, is easy to modify the program, and can quickly respond to changes in the production process. The PLC control system 12 has a fast response speed and can process input signals and respond in a timely manner to meet the requirements of automated control. Real-time requirements, the PLC control system 12 adopts a modular design, and I / O modules can be added or reduced as needed, which is convenient for system expansion and upgrading. Compared with the traditional relay control system, the PLC control system 12 is more energy-efficient, which can significantly reduce energy consumption in long-term operation. The PLC control system 12 is small in size and light in weight, easy to install and carry. The design of the PLC control system 12 is relatively simple, with a small construction workload, and can be put into use quickly. The program of the PLC control system 12 can be modified and updated at any time to adapt to changes in the production process. The PLC control system 12 can process digital and analog signals and adapt to various types of input and output requirements. The PLC control system 12 has the advantages of high reliability, easy maintenance, strong flexibility, fast response speed, modular structure, space and cost saving, etc., and can better realize the intelligent servo control of the regulating valve;

[0030] The output end of the reducer 2 and the servo motor 4 are connected to the input end of the reducer 2;

[0031] The vertical transmission device 3 is used to realize the transmission between the reducer 2 and the gate valve core 101 . The vertical transmission device 3 is arranged between the reducer 2 and the gate valve core 101 .

[0032] In this embodiment, the vertical transmission device 3 includes a connecting tube 301, a threaded sleeve 303 and a screw 305. The threaded sleeve 303 is threadedly sleeved on the outside of the screw 305, and the threaded sleeve 303 is slidably connected in the connecting tube 301. The bottom of the threaded sleeve 303 is fixedly connected to the top of the gate valve core 101, and the top of the screw 305 is fixedly connected with a coupling 6. The coupling 6 is fixedly connected to the output end of the reducer 2 to facilitate the power output by the reducer 2 to be transmitted to the gate valve core 101. Both sides of the threaded sleeve 303 are fixedly connected to the limiting plates 302. The inner walls on both sides of the connecting tube 301 are provided with limiting grooves 304. The two limiting plates 302 are respectively slidably connected in the corresponding limiting grooves 304, thereby guiding the threaded sleeve 303.

[0033] In this embodiment, the top of the connecting tube 301 is fixedly connected to the bracket 5, the bracket 5 is fixedly installed on the bottom of the reducer 2, the reducer 2 is fixedly installed on the bottom of the servo motor 4, so as to fix the connecting tube 301 to the reducer 2 and the servo motor 4, and the bottom of the connecting tube 301 is fixedly connected to the support frame 10, and the support frame 10 is fixedly connected to the top of the valve seat 1, so as to connect the connecting tube 301 with the valve seat 1.

[0034] In this embodiment, a sliding hole is opened at the bottom of the connecting tube 301 , and the gate valve core 101 is slidably connected in the sliding hole to guide the gate valve core 101 .

[0035] In this embodiment, a backing plate 7 is fixedly installed on the top of the support frame 10 , a positioning seat 8 is fixedly installed on the top of the backing plate 7 via a fastening bolt 9 , and the positioning seat 8 is fixedly installed on the outer side of the connecting tube 301 .

[0036] In this embodiment, when in use, the debugging personnel controls the servo driver by controlling the touch screen 11 to set the valve position opening, and sets the operating speed and target rotation angle of the servo motor 4 on the touch screen. The servo motor 4 starts to rotate and drives the reducer to run. The output shaft of the reducer drives the screw 305 to rotate together through the linkage. The screw 305 drives the gate valve core 101 up and down through the threaded transmission with the threaded sleeve 303 and under the guidance of the limit plate 302, thereby adjusting the opening degree of the gate valve core 101 to be opened or closed, and controlling the amount of air flowing through.

[0037] The above is a detailed introduction to an intelligent servo gate proportional control valve provided by the utility model. This article uses specific embodiments to explain the principle and implementation of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An intelligent servo gate proportional control valve, characterized in that: include: A gate valve body, the gate valve body comprising a valve seat (1) and a gate valve core (101), the gate valve core (101) being slidably connected in the valve seat (1); A servo control system, used for driving the gate valve core (101) to move, the servo control system comprising a touch screen (11), a PLC control system (12), a servo controller (13) and a servo motor (4), the touch screen (11) being connected to the PLC control system (12), the PLC control system (12) being connected to the servo controller (13), and the servo controller (13) being connected to the servo motor (4); A reducer (2), wherein the output end of the servo motor (4) is connected to the input end of the reducer (2); A vertical transmission device (3) is used to realize transmission between the reducer (2) and the gate valve core (101), and the vertical transmission device (3) is arranged between the reducer (2) and the gate valve core (101).

2. The intelligent servo gate proportional control valve according to claim 1 is characterized in that: The vertical transmission device (3) comprises a connecting tube (301), a threaded sleeve (303) and a screw (305), wherein the threaded sleeve (303) is threadedly sleeved on the outside of the screw (305), and the threaded sleeve (303) is slidably connected in the connecting tube (301), the bottom of the threaded sleeve (303) is fixedly connected to the top of the gate valve core (101), and the top of the screw (305) is fixedly connected to a coupling (6), and the coupling (6) is fixedly connected to the output end of the reducer (2).

3. The intelligent servo gate proportional control valve according to claim 2 is characterized in that: The threaded sleeve (303) is fixedly connected to a limiting plate (302) on both sides, and the inner walls on both sides of the connecting tube (301) are provided with limiting grooves (304), and the two limiting plates (302) are respectively slidably connected in the corresponding limiting grooves (304).

4. The intelligent servo gate proportional control valve according to claim 2 is characterized in that: The top end of the connecting tube (301) is fixedly connected to a bracket (5), the bracket (5) is fixedly mounted on the bottom of the reducer (2), and the reducer (2) is fixedly mounted on the bottom of the servo motor (4).

5. The intelligent servo gate proportional control valve according to claim 2 is characterized in that: The bottom of the connecting cylinder (301) is fixedly connected to a support frame (10), and the support frame (10) is fixedly connected to the top of the valve seat (1).

6. The intelligent servo gate proportional control valve according to claim 2 is characterized in that: A sliding hole is provided at the bottom of the connecting cylinder (301), and the gate valve core (101) is slidably connected in the sliding hole.

7. The intelligent servo gate proportional control valve according to claim 1 is characterized in that: A plurality of mounting holes are provided on the front side of the valve seat (1).

8. The intelligent servo gate proportional control valve according to claim 5, characterized in that: A backing plate (7) is fixedly mounted on the top of the support frame (10), a positioning seat (8) is fixedly mounted on the top of the backing plate (7) via a fastening bolt (9), and the positioning seat (8) is fixedly mounted on the outside of the connecting tube (301).

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