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CN-224216257-U - Small-size leakproofness testing arrangement

CN224216257UCN 224216257 UCN224216257 UCN 224216257UCN-224216257-U

Abstract

The utility model relates to the field of negative pressure vacuum sealing test application and discloses a small-sized tightness testing device which comprises a device base and a touch screen for controlling the whole testing process and displaying an operation interface, wherein the top end of the device base is provided with a piston base limit, the right end of the piston base limit is connected with a clamp I through an air extraction assembly I, the right end of the piston base limit is connected with a clamp II through an air extraction assembly II, the clamp I and the clamp II are fixedly connected to the top end of a workbench, the top end of the clamp I is provided with a clamp quick clamp I, the inner wall of the clamp I is provided with a product I, and the top end of the clamp II is provided with a clamp quick clamp II. According to the utility model, a piston type mechanical vacuumizing negative pressure is adopted, the cylinder diameter is 40mm, the cavity is 400ml, the piston cylinder and the cylinder push-pull vacuumizing negative pressure can reach 90kpa, a vacuum negative pressure sensor monitors the negative pressure value in real time, a loosening DP101 vacuum negative pressure sensor is adopted, 100 kpa-100 kpa is adopted, and the detection precision is +/-5 pa.

Inventors

  • SHU DAOBO

Assignees

  • 万金机械配件(东莞)有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (8)

  1. 1. The small-size tightness testing device is characterized by comprising a device base (190) and a touch screen (70) for controlling the whole testing process and displaying an operation interface, wherein the top end of the device base (190) is provided with a piston base limit (270), the right end of the piston base limit (270) is connected with a clamp I (170) through an air extraction assembly I, the right end of the piston base limit (270) is connected with a clamp II (150) through an air extraction assembly II, the clamp I (170) and the clamp II (150) are fixedly connected to the top end of a workbench (30), the top end of the clamp I (170) is provided with a clamp I (110), the inner wall of the clamp I (170) is provided with a product I (180), the top end of the clamp II (150) is provided with a clamp II (120), the inner wall of the clamp II (150) is provided with a product II (160), the top end of the workbench (30) is provided with a start-stop assembly for starting and stopping the testing, the top end of the workbench (30) is provided with a display assembly, and the top end of the workbench (30) is provided with a detection assembly.
  2. 2. The small-sized tightness testing device according to claim 1, wherein the first air extraction component comprises a piston connecting plate (280) positioned at the right end of a piston base limit (270), a piston rod I (290) is arranged at the right end of the piston connecting plate (280), a piston cylinder I (300) is connected to the outer wall of the piston rod I (290) in a sliding manner, a piston negative pressure air port I (200) is fixedly connected to the right end of the piston cylinder I (300), an air cylinder I (210) is arranged at the right end of the piston connecting plate (280), the air cylinder I (210) is fixedly connected to the rear end of the piston cylinder I (300), a negative pressure air pipe I (310) is fixedly connected to the right end of the piston negative pressure air port I (200), and the negative pressure air pipe I (310) is connected with a clamp I (170) through a clamp negative pressure air port I (320).
  3. 3. The small-size leakproofness testing arrangement of claim 1, wherein the second air extraction assembly includes piston second connecting plate (260) that is located piston base spacing (270) right-hand member, piston second connecting plate (260) right-hand member is provided with piston rod second (250), piston rod second (250) outer wall sliding connection has piston cylinder second (240), piston cylinder second (240) right-hand member fixedly connected with piston negative pressure gas port second (230), piston negative pressure gas port second (230) right-hand member fixedly connected with negative pressure gas pipe second (340), negative pressure gas pipe second (340) are through anchor clamps negative pressure gas port second (330) and anchor clamps second (150) link to each other, piston second connecting plate (260) right-hand member is provided with cylinder second (220), cylinder second (220) fixedly connected with the front end of piston cylinder second (240).
  4. 4. The small-sized tightness testing device according to claim 1, wherein the start-stop assembly comprises a first start button (10) positioned at the top end of the workbench (30), the first stop button (20) is arranged at the top end of the workbench (30), a second start button (140) is arranged at the top end of the workbench (30), and a second stop button (130) is arranged at the top end of the workbench (30).
  5. 5. The small-sized tightness testing device according to claim 1, wherein the display assembly comprises a first red light buzzer (40) positioned at the top end of the workbench (30), the first green light buzzer (60) is fixedly connected to the top end of the workbench (30), a second red light buzzer (80) is fixedly connected to the top end of the workbench (30), and a second green light buzzer (100) is fixedly connected to the top end of the workbench (30).
  6. 6. The small-sized tightness testing device according to claim 1, wherein the detecting component comprises a first negative pressure sensor (50) positioned at the top end of the workbench (30), and a second negative pressure sensor (90) is fixedly connected to the top end of the workbench (30).
  7. 7. A small-sized sealing test device according to claim 1, wherein the touch screen (70) integrates the functions of test parameter setting, test status display, test data recording and inquiry.
  8. 8. A small-sized airtight testing apparatus according to claim 1, wherein said apparatus base (190) serves to support and fix the respective parts of the entire testing apparatus, ensuring the stability of the apparatus.

Description

Small-size leakproofness testing arrangement Technical Field The utility model relates to the field of negative pressure vacuum sealing test application, in particular to a small-sized tightness test device. Background With the rapid development of global manufacturing industry, particularly in the fields of automobiles, medical treatment, electronics and the like, products are more and more precise, lighter and smaller, and the use conditions are also very strict, so that the processing requirements on the light, small and high-precision products are very high, and therefore, the performance detection of the products is very important. The assembly part of the metal cylinder is assembled by assemblies such as a precision assembly part, a spring and a sealing rubber ring, the outer diameters of the assembly spring and the sealing rubber ring are only 5-7 mm, the assembly part compresses the spring through interference fit, and the sealing rubber ring is pressed, so that the tightness of a product to be delivered completely meets the sealing standard, and the sealing performance of each product needs to be detected. Typical tightness detection methods include a bubble method, a pressure test method, a vacuum test method, a helium gas leakage test method, an ultrasonic leakage test method, an infrared thermal imaging method, a water immersion method, a dry air method, a tracer liquid method, a negative pressure method, and the like. The selection of the methods should be comprehensively considered according to the characteristics of the products, the testing conditions and the testing requirements. For example, bubble and pressure tests are applicable to most common vessels and pipes, vacuum and helium leak tests are applicable to high precision requirements, ultrasonic leak tests and infrared thermal imaging are applicable to complex environments and large area detection. Each method has the advantages and disadvantages, and the proper method is selected to ensure the accuracy and efficiency of the test. Aiming at the current product type, the development and selection of a proper sealing test method are urgently needed, and then special test equipment is designed and developed according to the test method requirement, so that the requirement of product tightness detection is met, the current general and high-price test equipment on the market is replaced, the product detection cost is reduced, the market competitiveness is improved for manufacturing, and the small-size sealing test device is provided for the technical problem. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a small-sized tightness testing device which adopts a piston type machine to vacuumize negative pressure, has a cylinder diameter of 40mm, a cavity of 400ml and a piston cylinder, wherein the cylinder is pushed and pulled to vacuumize the negative pressure to-90 kpa, a vacuum negative pressure sensor monitors the negative pressure value in real time, and adopts a loosening DP101 vacuum negative pressure sensor to-100 kpa, so that the detection precision is +/-5 pa. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a small-size leakproofness testing arrangement, includes the device base and is used for controlling whole test process and display operation interface's touch-sensitive screen, device base top is provided with the piston base spacing, piston base spacing right-hand member is connected with anchor clamps first through the subassembly of bleeding, piston base spacing right-hand member is connected with anchor clamps second through the subassembly of bleeding, anchor clamps first and anchor clamps equal fixed connection in the top of workstation, anchor clamps first top is provided with the quick clamp of tool first, and anchor clamps first inner wall is provided with product first, anchor clamps second top is provided with the quick clamp of tool second, and anchor clamps second inner wall is provided with product second, the workstation top is provided with the start-stop subassembly that is used for starting and stopping the test, the workstation top is provided with display module, the workstation top is provided with detection assembly. Further, the first air extraction assembly comprises a piston connecting plate positioned at the limit right end of the piston base, a piston rod I is arranged at the right end of the piston connecting plate, a piston cylinder I is slidably connected to the outer wall of the piston rod I, a piston negative pressure air port I is fixedly connected to the right end of the piston cylinder I, an air cylinder I is arranged at the right end of the piston connecting plate, the air cylinder I is fixedly connected to the rear end of the piston cylinder I, a negative pressure air pipe I is fixedly connected to the right end of the piston negative pressure air port