Air tightness testing machine for customized products

Abstract

The invention relates to the technical field of air tightness detection, in particular to an air tightness testing machine for customized products, which comprises a metal plate outer cover, a bottom plate arranged on the metal plate outer cover, a sealing power mechanism arranged at the top of the bottom plate, an electric cylinder mounted at the top of the sealing power mechanism, and an operation platform arranged at the front end of the metal plate outer cover. The sealing power mechanism comprises a sealing quick-changing module female head, a sealing quick-changing module male head, a product sealing module, a laser displacement sensor and a supporting frame, a jig is arranged below the product sealing module, a sealing connecting module is further arranged on the jig, and an air tightness tester is installed on the top of the metal plate outer cover. The device is novel in structure, can meet the sealing test requirements of customized products, can be compatible with different customized products, has a sealing module quick change function, achieves the detection quick change between different products, greatly improves the stability and efficiency of the tested products, greatly reduces the operation difficulty and experience of operators, and achieves the airtightness detection of special-shaped parts.

Description

Technical Field

[0001] The invention relates to the technical field of air tightness detection, in particular to an air tightness testing machine for customized products. Background Art

[0002] Some customized products need to be tested for their airtightness. The existing airtightness testing methods all use manual testing with special jigs. This method requires high technical experience of the operator and has disadvantages such as unstable measurement and poor compatibility with different products. No solution has been proposed for related technical problems. Summary of the invention

[0003] In response to the problems in the related technology, the present invention proposes an airtightness testing machine for customized products to overcome the above-mentioned technical problems existing in the existing related technology. The purpose of the present invention is to meet the sealing test requirements of customers' customized products, be compatible with different customized products, have a quick-change function of sealing modules, realize quick-change of detection between different products, greatly improve the stability and efficiency of the tested products, greatly reduce the operating difficulty and experience of the operator, and realize the airtightness detection of special-shaped parts.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an airtightness testing machine for customized products, comprising a sheet metal cover, a bottom plate is arranged on the sheet metal cover, a sealing power mechanism is arranged on the top of the bottom plate, an electric cylinder is installed on the top of the sealing power mechanism, an operating platform is arranged at the front end of the sheet metal cover, the sealing power mechanism comprises a sealing quick-change module female head, a sealing quick-change module male head, a product sealing module, a laser displacement sensor and a support frame, the support frame is installed on the bottom plate, the electric cylinder is installed on the support frame, the output end of the electric cylinder is connected to the sealing quick-change module female head, a through-beam sensor is also installed on the bottom plate, the sealing quick-change module male head is arranged at the bottom of the sealing quick-change module female head, the product sealing module is arranged at the bottom of the sealing quick-change module male head, the laser displacement sensor is arranged on one side of the sealing quick-change module female head, a jig is arranged below the product sealing module, a sealing connection module is also arranged on the jig, and an airtightness tester is installed on the top of the sheet metal cover.

[0005] Preferably, a touch screen is also provided at the front end of the sheet metal cover, and an air pressure digital display is provided on one side of the touch screen.

[0006] Preferably, a safety latch is provided on one side of the sheet metal outer cover, and an air source processing module is provided on the other side of the sheet metal outer cover.

[0007] Preferably, the operating platform is respectively provided with a double start button and an emergency stop button.

[0008] Preferably, the support frame and the female head of the sealing quick-change module are connected via a linear bearing, and four linear bearings are provided.

[0009] Preferably, bases are provided around the bottom of the sheet metal cover.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] The present invention is an airtightness testing machine for customized products. By setting a sealing power mechanism, the electric cylinder drives the female head of the sealing quick-change module to move downward when working, and the female head of the sealing quick-change module drives the male head of the sealing quick-change module to move when moving, so that the product sealing module connected to the male head of the sealing quick-change module is lowered to a specified position, and the product detection cavity and the pipeline of the airtightness tester are sealed to form a closed and leak-proof detection pipeline. Subsequently, the airtightness tester injects gas into the product test cavity to pressurize, maintains the pressure for a certain period of time, and then detects the pressure drop, thereby detecting the sealing of the product. The sealing test requirements of customized products can be met, and different customized products can be compatible. It has a sealing module quick-change function, and can realize quick-change detection between different products. The stability and efficiency of the test product are greatly improved, and the operating difficulty and experience of the operator are greatly reduced, so as to realize the airtightness detection of special-shaped parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the sheet metal cover of the present invention;

[0013] Figure 2 It is a structural schematic diagram of the sealing power mechanism of the present invention;

[0014] Figure 3 It is a structural schematic diagram of the electric cylinder of the present invention;

[0015] Figure 4 It is a schematic diagram of the overall structure of the present invention.

[0016] In the accompanying drawings: 1. sheet metal cover; 2. base plate; 3. sealing power mechanism; 4. electric cylinder; 5. operating platform; 6. female head of sealing quick-change module; 7. male head of sealing quick-change module; 8. product sealing module; 9. laser displacement sensor; 10. support frame; 11. through-beam sensor; 12. fixture; 13. sealing connection module; 14. touch screen; 15. air pressure digital display; 16. safety latch; 17. air source processing module; 18. double start button; 19. emergency stop button; 20. base; 21. airtightness tester; 22. linear bearing. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] Example 1

[0019] See also Figure 1-4The present invention proposes a technical solution for an airtightness testing machine for customized products: an airtightness testing machine for customized products, comprising a sheet metal cover 1, specifically, the sheet metal cover 1 has a protective performance and can effectively prolong the service life; a bottom plate 2 is arranged on the sheet metal cover 1, specifically, the bottom plate 2 plays a role of supporting a sealing power mechanism 3; a sealing power mechanism 3 is arranged on the top of the bottom plate 2, and an electric cylinder 4 is installed on the top of the sealing power mechanism 3, specifically, the electric cylinder 4 can drive the female head 6 of the sealing quick-change module to move; an operating platform 5 is arranged at the front end of the sheet metal cover 1, specifically, a double start button 18 and an emergency stop button 19 are arranged on the operating platform 5, which play a role of control; the sealing power mechanism 3 includes a female head 6 of the sealing quick-change module, a male head of the sealing quick-change module 7. Product sealing module 8, laser displacement sensor 9 and support frame 10. Specifically, the female head 6 of the sealing quick-change module is a connector commonly used in fluid delivery systems, which is usually used to achieve fast and convenient connection and disconnection, and has good sealing performance to prevent leakage; the male head 7 of the sealing quick-change module is a connector used in fluid delivery systems, which is usually used in conjunction with the female head to achieve fast connection and disconnection, and has good sealing performance to prevent leakage; the support frame 10 is installed on the base plate 2, the electric cylinder 4 is installed on the support frame 10, and the output end of the electric cylinder 4 is connected to the female head 6 of the sealing quick-change module. A through-beam sensor 11 is also installed on the base plate 2. Specifically, the through-beam sensor is a commonly used sensor type, usually composed of a pair of transmitters and receivers. The transmitter emits an infrared beam (or other types of light signals), and the receiver receives the light signal reflected or penetrated from the target object. When an object blocks the emitted light beam, the receiver will detect the change in the signal, thereby triggering a corresponding response; the male head 7 of the sealing quick-change module is set at the bottom of the female head 6 of the sealing quick-change module, and the product sealing module 8 is set at the bottom of the male head 7 of the sealing quick-change module. Specifically, the support frame 10 plays a role in supporting the electric cylinder 4, and the electric cylinder 4 can drive the female head 6 of the sealing quick-change module to move; the laser displacement sensor 9 is set on one side of the female head 6 of the sealing quick-change module. Specifically, the laser displacement sensor is a device that uses laser technology to measure the displacement or distance of an object. It calculates the distance by emitting a laser beam to the target object and then receiving the reflected laser signal. Its advantages include high precision, high resolution, non-contact measurement and fast response speed; a jig 12 is arranged below the product sealing module 8. Specifically, the jig is a tool used to assist in positioning, clamping and supporting the workpiece, and is widely used in the manufacturing and assembly processes. Their main function is to improve production efficiency and processing accuracy, and ensure that the workpiece can maintain the correct position and direction during processing or assembly; a sealing connection module 13 is also arranged on the jig 12, and an airtightness tester 21 is installed on the top of the sheet metal cover 1. Specifically, the airtightness tester is a device used to detect the airtightness of an object, and is widely used in manufacturing, engineering, quality control and other fields. It determines whether the object has a leak by measuring the air pressure difference between the inside and outside of the object.

[0020] In this embodiment, a product detection cavity is further provided on the sheet metal cover 1 , and the product detection cavity is sealed with the airtightness detector pipeline to form a closed and leak-proof detection pipeline. A sensor is also provided on the airtightness tester 21 .

[0021] See also Figure 4 As shown, further, a touch screen 14 is provided at the front end of the sheet metal cover 1 , and an air pressure digital display 15 is provided on one side of the touch screen 14 .

[0022] In this embodiment, the touch screen 14 is a display screen that can be input through touch operation; the air pressure digital display is an instrument used to measure gas pressure and display it in digital form, and is widely used in industry, laboratories, HVAC (heating, ventilation and air conditioning), gas pipeline monitoring and other fields.

[0023] See also Figure 4 As shown, further, a safety latch 16 is provided on one side of the sheet metal cover 1 , and an air source processing module 17 is provided on the other side of the sheet metal cover 1 .

[0024] In this embodiment, the safety pin 16 can prevent safety accidents caused by accidental operation or equipment failure; the air source processing module is an important component used in the pneumatic system, mainly used for filtering, pressure regulating and lubricating the air source to ensure the normal operation of the pneumatic equipment and extend its service life.

[0025] See also Figure 4 As shown, further, the operating platform 5 is respectively provided with a double start button 18 and an emergency stop button 19.

[0026] In this embodiment, the double start button 18 is a safety device to ensure the safety of the equipment when it is started. This button requires pressing both buttons at the same time to start the equipment, thereby preventing accidental startup and protecting the safety of operators and equipment; the emergency stop button 19 is an important safety device used to quickly cut off the power supply of the machine or equipment to prevent accidents and protect the safety of personnel. It is a conspicuous red button for quick identification and operation in an emergency.

[0027] See also Figure 3 As shown, further, the support frame 10 and the sealed quick-change module female head 6 are connected via a linear bearing 22, and four linear bearings 22 are provided.

[0028] In this embodiment, linear bearings 22 are provided to provide smooth motion and reduce friction.

[0029] See also Figure 4 As shown, further, bases 20 are arranged around the bottom of the sheet metal cover 1.

[0030] In this embodiment, the base 20 plays a supporting role.

[0031] Working principle of the present invention:

[0032] When the product is undergoing air tightness testing, the electric cylinder 4 drives the female head 6 of the sealing quick-change module to move downward during operation, and the female head 6 of the sealing quick-change module drives the male head 8 of the sealing quick-change module to move while moving, thereby causing the product sealing module connected to the male head 8 of the sealing quick-change module to drop to a specified position, and seal the product testing cavity and the pipeline of the air tightness tester 21 to form a closed and leak-proof testing pipeline. Subsequently, the air tightness tester 21 injects gas into the product testing cavity to pressurize it, maintains the pressure for a certain period of time, and then detects the pressure drop, thereby detecting the sealing of the product.

[0033] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An airtightness testing machine for customized products, characterized in that: The invention comprises a sheet metal cover (1), wherein a bottom plate (2) is arranged on the sheet metal cover (1), a sealing power mechanism (3) is arranged on the top of the bottom plate (2), an electric cylinder (4) is installed on the top of the sealing power mechanism (3), an operating platform (5) is arranged at the front end of the sheet metal cover (1), the sealing power mechanism (3) comprises a sealing quick-change module female head (6), a sealing quick-change module male head (7), a product sealing module (8), a laser displacement sensor (9) and a support frame (10), wherein the support frame (10) is installed on the bottom plate (2), the electric cylinder (4) is installed on the support frame (10), and the electric cylinder The output end of the sealing quick-change module (4) is connected to the female head (6) of the sealing quick-change module, a counter-radiation sensor (11) is also installed on the bottom plate (2), the male head (7) of the sealing quick-change module is arranged at the bottom of the female head (6) of the sealing quick-change module, the product sealing module (8) is arranged at the bottom of the male head (7) of the sealing quick-change module, the laser displacement sensor (9) is arranged on one side of the female head (6) of the sealing quick-change module, a jig (12) is arranged below the product sealing module (8), a sealing connection module (13) is also arranged on the jig (12), and an airtightness tester (21) is installed on the top of the sheet metal cover (1).

2. The air tightness testing machine for customized products according to claim 1, characterized in that: A touch screen (14) is also provided at the front end of the sheet metal cover (1), and an air pressure digital display (15) is provided on one side of the touch screen (14).

3. The air tightness testing machine for customized products according to claim 1, characterized in that: A safety latch (16) is provided on one side of the sheet metal outer cover (1), and an air source processing module (17) is provided on the other side of the sheet metal outer cover (1).

4. The air tightness testing machine for customized products according to claim 1, characterized in that: The operating platform (5) is respectively provided with a double start button (18) and an emergency stop button (19).

5. The air tightness testing machine for customized products according to claim 1, characterized in that: The support frame (10) and the sealed quick-change module female head (6) are connected via a linear bearing (22), and four linear bearings (22) are provided.

6. The air tightness testing machine for customized products according to claim 1, characterized in that: Bases (20) are arranged around the bottom of the sheet metal cover (1).

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