CN212110568U

CN212110568U - Automatic debugging equipment for MCV control valve

Info

Publication number: CN212110568U
Application number: CN202020470033.3U
Authority: CN
Inventors: 李江; 徐晓斌; 刘卫迁
Original assignee: SUZHOU XINZHI ELECTRO-MECHANICAL INDUSTRIES CO LTD
Current assignee: SUZHOU XINZHI ELECTRO-MECHANICAL INDUSTRIES CO LTD
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-08
Anticipated expiration: 2030-04-02

Abstract

The utility model provides an automatic debugging device for an MCV control valve, which structurally comprises a device main body, an MCV control valve sealing device, a gas circuit adjusting device and a valve port opening adjusting device; the device comprises a device main body, wherein the device main body is integrally cuboid, 3 groups of MCV control valve sealing devices are arranged above the rear side of the device main body in parallel, and 1 valve port opening adjusting device is arranged below each group of control valve sealing devices; the air path adjusting device is arranged in a concave square mounting hole in the side face of the bottom of the equipment main body. The utility model adopts the operation of the automatic mechanical equipment to replace the traditional manual operation, and can test a plurality of MCV control valves simultaneously, thereby greatly improving the test efficiency; an electric proportional valve is adopted to adjust the air pressure parameter of the product in real time, so that accurate control is realized; the servo motor is adopted to provide higher displacement precision, the misjudgment rate is reduced, and the product quality is further improved.

Description

Automatic debugging equipment for MCV control valve

Technical Field

The utility model relates to an MCV control valve automatic debugging equipment belongs to the car equipment test technical field.

Background

The MCV control valve is an important part in an automobile air-conditioning compressor, and simultaneously senses the pressure (Pc) of an inner cavity of the compressor, the suction pressure (Ps) of the compressor and the exhaust pressure (Pd) of the compressor; the MCV control valve is of a single-valve-port structure, the corrugated pipe is arranged in the Ps cavity, and the corrugated pipe can extend and shorten along with the change of the pressure of the Ps, so that the opening degree of a valve port is changed. The Pc pressure is increased by opening the valve port, and the Pc pressure is reduced by closing the valve port, so that the purpose of adjusting the angle of the swash plate of the compressor and further controlling the refrigerant quantity of the system is achieved. Therefore, the valve port accuracy of the MCV control valve needs to be adjusted before assembly to ensure that the compressor can be effectively controlled.

The debugging process of the existing MCV control valve is that an operator manually adjusts a pressure regulating valve to ensure that the control valve is in a corresponding working condition, then a motor start button is pressed, the motor pushes a riveting part of the control valve to change the opening degree of an internal valve port of the control valve, and the operator judges whether the opening degree of the internal valve port of the control valve meets the process requirements or not by observing the pressure change of the valve port of the control valve. The existing debugging method is greatly influenced by human factors, has the defects of long single-piece debugging time and poor pressure precision, and can not meet the requirement of automatic and efficient production of the existing automobile equipment.

Disclosure of Invention

The utility model aims to solve the above-mentioned defect that the debugging method of current MCV control valve exists, provide an MCV control valve automatic debugging equipment, compare the automatic high accuracy debugging that traditional artifical test method can realize the MCV control valve, effectively promote work efficiency, improve enterprise's productivity, reduce the cost of labor.

The technical solution of the utility model is as follows: an MCV control valve automatic debugging device structurally comprises a device main body, an MCV control valve sealing device, an air path adjusting device and a valve port opening adjusting device; the device comprises a device main body, a horizontal debugging platform, 3 installation platforms, a control valve sealing device and a control valve, wherein the device main body is integrally rectangular, the top of the device main body is provided with the horizontal debugging platform, and the installation platforms for installing the MCV control valve sealing device are arranged above the rear side of the debugging platform; 4 corners at the bottom of the equipment main body are respectively provided with 1 lockable universal wheel; the 3 groups of MCV control valve sealing devices are arranged above the rear side of the equipment main body in parallel, and each group of MCV control valve sealing device comprises a product pressing cylinder, a transverse fixed product bolt and a product sealing tool; the product sealing tool is arranged in the center of the installation platform, the transverse fixing product bolt is arranged on the left side of the product sealing tool, and the downward pressing product cylinder is arranged right above the product sealing tool through 1 door-shaped structural part; 2 square lock holes are symmetrically formed in two sides of the product sealing tool, a bolt head for transversely fixing a product bolt is driven by an air cylinder to extend into the lock holes, and the MCV control valve to be tested is fixed; the valve port opening adjusting device is integrally positioned below the MCV control valve sealing device and structurally comprises a servo motor, a speed reducing motor, a sliding table screw rod and a jacking rod; the speed reducing motor is arranged at the top of the servo motor, and the sliding table screw rod is arranged at the top of the speed reducing motor and is connected with the product sealing tool through the jacking rod; the top of the jacking rod is provided with a pressure sensor which is directly and tightly contacted with an MCV control valve to be tested in a product sealing tool; the air path adjusting device is arranged in a concave square mounting hole in the side face of the bottom of the equipment main body.

The utility model has the advantages that:

1) the automatic mechanical equipment is adopted to operate instead of the traditional manual operation, and a plurality of MCV control valves can be tested simultaneously, so that the testing efficiency is greatly improved;

2) an electric proportional valve is adopted to adjust the air pressure parameter of the product in real time, so that accurate control is realized;

3) the servo motor is adopted to provide higher displacement precision, the misjudgment rate is reduced, and the product quality is further improved.

Drawings

Fig. 1 is a schematic overall structure diagram of the MCV control valve automatic debugging device of the present invention.

Fig. 2 is a schematic diagram of the overall structure of the sealing device of the MCV control valve of the invention.

FIG. 3 is a schematic diagram of the overall structure of the opening degree adjusting device of the MCV control valve;

FIG. 4 is a schematic diagram of the gas path of the opening regulating device of the MCV control valve.

In the figure, 1 is an MCV control valve sealing device, 2 is an air path adjusting device, 3 is a valve port opening adjusting device, 1-a is a product pressing cylinder, 1-b is a transverse fixed product bolt, 1-c is a product sealing tool, 3-a is a servo motor, 3-b is a speed reducing motor, 3-c is a sliding table screw rod, and 3-d is a jacking rod.

Detailed Description

The technical scheme of the utility model is further explained in the following with the attached drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the MCV control valve automatic debugging device structurally comprises a device main body, an MCV control valve sealing device 1, an air path adjusting device 2, and a valve port opening adjusting device 3; the device comprises a device main body, a horizontal debugging platform, 3 installation platforms, a control valve seal device 1, a control valve seal device, a control valve and a control valve, wherein the device main body is integrally cuboid, the top of the device main body is provided with the horizontal debugging platform, and the installation platforms for installing the MCV control valve seal device 1 are arranged above the rear side of the debugging; 4 corners at the bottom of the equipment main body are respectively provided with 1 lockable universal wheel; the 3 groups of MCV control valve sealing devices 1 are arranged above the rear side of the equipment main body in parallel, and 1 valve port opening adjusting device 3 is arranged below each group of the control valve sealing devices 1; the air path adjusting device 2 is arranged in a concave square mounting hole in the side face of the bottom of the equipment main body and used for adjusting the total air pressure and meeting the air pressure requirement of product debugging. The control part of the air path adjusting device 2 is installed in the equipment cabinet body, and the air path schematic diagram is shown in fig. 4. The control gas circuit is connected with the MCV control valve sealing device 1 through a gas pipe to provide pressure meeting requirements, and the pressure in the system is controlled through a proportional valve and an electromagnetic valve.

As shown in fig. 2, the MCV control valve sealing device 1 comprises a press-down product cylinder 1-a, a transverse fixed product plug pin 1-b, and a product sealing tool 1-c; the product sealing tool 1-c is arranged in the center of the mounting platform, the transverse fixed product bolt 1-b is arranged on the left side of the product sealing tool 1-c, and the downward pressing product cylinder 1-a is arranged right above the product sealing tool 1-c through 1 door-shaped structural part; the two sides of the product sealing tool 1-c are symmetrically provided with 2 square lock holes, and the bolt head for transversely fixing the product bolt 1-b can be driven by the air cylinder to extend into the lock holes and fix the MCV control valve to be tested.

The model of the pressing product cylinder 1-a is Ma25 × 125-S-M, and the model of the cylinder arranged on the transverse fixed product plug pin 1-b is TCL12 × 80S (0).

As shown in fig. 3, the whole valve port opening adjusting device 3 is located below the MCV control valve sealing device 1, and the structure thereof includes a servo motor 3-a, a speed reducing motor 3-b, a sliding table screw rod 3-c, and a lifting rod 3-d; the device comprises a servo motor 3-a, a speed reducing motor 3-b, a sliding table screw rod 3-c, a lifting rod 3-d and a product sealing tool 1-c, wherein the speed reducing motor 3-b is arranged at the top of the servo motor 3-a; the top of the jacking rod 3-d is provided with a pressure sensor which is in direct close contact with an MCV control valve to be tested in the product sealing tool 1-c.

During actual debugging, the servo motor 3-a and the speed reducing motor 3-b are combined to drive the sliding table screw rod 3-c to operate, so that the jacking rod 3-d with the pressure sensor pushes the valve port at the bottom of the MCV control valve to be detected, and pressure change of the valve port of the detection valve is observed. Wherein the model of the servo motor 3-a is Siemens V90 series 1FL6024-2AE21-1AA1, and the model of the speed reducing motor 3-b is 60-ZDF-20-400; the pressure sensor at the top of the lifting rod 3-d is XJC-2-51LW-5 KN.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and drawings, or directly or indirectly applied to other related technical fields, which are all included in the scope of the present invention.

Claims

1. An MCV control valve automatic debugging device is characterized by comprising a device main body, an MCV control valve sealing device (1), an air path adjusting device (2) and a valve port opening adjusting device (3); the device comprises a device main body, wherein the device main body is integrally cuboid, 3 groups of MCV control valve sealing devices (1) are arranged above the rear side of the device main body in parallel, and 1 valve port opening adjusting device (3) is arranged below each group of control valve sealing devices (1); the air path adjusting device (2) is arranged in a concave square mounting hole in the side face of the bottom of the equipment main body.

2. The automatic debugging equipment of an MCV control valve according to claim 1, wherein the top of the equipment main body is provided with a horizontal debugging platform, and 3 installation platforms for installing the MCV control valve sealing device (1) are arranged above the rear side of the debugging platform; and 1 lockable universal wheel is respectively arranged at 4 corners of the bottom of the equipment main body.

3. An MCV control valve automatic debugging device according to claim 1 or 2, characterized in that the MCV control valve sealing device (1) comprises a product pressing cylinder (1-a), a transverse product fixing bolt (1-b) and a product sealing tool (1-c); the product sealing tool (1-c) is arranged in the center of the installation platform, the transverse fixed product bolt (1-b) is arranged on the left side of the product sealing tool (1-c), and the product pressing cylinder (1-a) is arranged right above the product sealing tool (1-c) through 1 door-shaped structural part.

4. The automatic debugging equipment of the MCV control valve as claimed in claim 3, wherein 2 square lock holes are symmetrically arranged on two sides of the product sealing tool (1-c), and a bolt head for transversely fixing the product bolt (1-b) is driven by an air cylinder to extend into the lock holes and fix the MCV control valve to be tested.

5. The automatic debugging equipment of the MCV control valve according to claim 1, wherein the valve port opening adjusting device (3) is integrally positioned below the MCV control valve sealing device (1), and structurally comprises a servo motor (3-a), a speed reducing motor (3-b), a sliding table screw rod (3-c) and a jacking rod (3-d); the speed reducing motor (3-b) is arranged at the top of the servo motor (3-a), the sliding table screw rod (3-c) is arranged at the top of the speed reducing motor (3-b) and is connected with the product sealing tool (1-c) through the jacking rod (3-d);

and the top of the jacking rod (3-d) is provided with a pressure sensor which is in direct close contact with an MCV control valve to be tested in the product sealing tool (1-c).