Air leakage automatic detection device of pneumatic diaphragm valve
By designing an automatic detection device, the automatic positioning and leakage detection of pneumatic diaphragm valves are realized using fixtures and leak detection components, the problems of low manual positioning efficiency and inaccurate detection in the prior art are solved, and the detection efficiency and accuracy are improved.
Patent Information
- Application Number
- CN202421736065.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The existing air leakage detection methods of pneumatic diaphragm valves require manual alignment, which is inefficient and can easily lead to inaccurate detection.
An automatic air leakage detection device for pneumatic diaphragm valve is designed, including a fixture and a leak detection component. The clamp realizes automatic positioning and clamping of the pneumatic diaphragm valve through the first clamping assembly and the second clamping assembly, and the leakage detection component automatically detects the air leakage of the pneumatic diaphragm valve through the inflatable head and the plug sensor.
The automatic positioning and docking of the air leakage detection component and the pneumatic diaphragm valve are realized, which improves work efficiency and ensures the accuracy of the detection effect.
Smart Images
Figure CN222800294U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a detection device, in particular to an automatic air leakage detection device for a pneumatic diaphragm valve. Background Art
[0002] A pneumatic diaphragm valve is an actuator that uses air pressure to open, close or adjust a valve. It is also called a pneumatic actuator or a pneumatic device. Pneumatic diaphragm valves are tested for leaks before leaving the factory to prevent leaks from occurring, which would affect the manufacturer's brand image and sales. Therefore, pneumatic diaphragm valves are tested using a leak detection device before leaving the factory.
[0003] The structure of the pneumatic diaphragm valve is as follows Figure 1 As shown, the pneumatic diaphragm valve is provided with an air inlet 200 and an air outlet 300. In the actual detection process, the existing air leakage detection device generally adopts manual alignment detection, that is, manually plugging and connecting the air inlet duct with the air inlet 20 of the pneumatic diaphragm valve, and then using a plug to block the air outlet 300, and then using an external air pump to cooperate with the duct to inject air into the air inlet at the front and rear ends of the pneumatic diaphragm valve, and at the same time placing the pneumatic diaphragm valve in clean water, if there is a leak, bubbles will appear in the clean water, and then determine whether the pneumatic diaphragm valve is leaking and the location of the leak. This detection method uses manual alignment, which is not only inefficient, but also easy to cause inaccurate detection due to inaccurate alignment, so it needs to be improved. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model proposes an automatic air leakage detection device for a pneumatic diaphragm valve, which can realize automatic positioning, docking and automatic detection of an air leakage detection component and a pneumatic diaphragm valve, with high working efficiency and good detection effect.
[0005] To realize the above technical scheme, the utility model provides an automatic leakage detection device for a pneumatic diaphragm valve, comprising: a fixture, wherein the fixture comprises a fixture body, a positioning groove is arranged on the fixture body, a first clamping assembly mounting groove and a second clamping assembly mounting groove are arranged oppositely on the left and right sides of the positioning groove, the first clamping assembly is installed in the first clamping assembly mounting groove, the second clamping assembly is installed in the second clamping assembly mounting groove, and the first clamping assembly and the second clamping assembly are arranged oppositely, a leakage detection assembly mounting groove is arranged on one side of the second clamping assembly mounting groove on the fixture body, the leakage detection assembly is installed in the leakage detection assembly mounting groove, the leakage detection assembly comprises a leakage detection driving cylinder, a detection head mounting seat, an inflation head and a plug sensor, wherein the leakage detection driving cylinder is installed on the second clamping cylinder mounting seat fixed on the outside of the leakage detection assembly mounting groove, the detection head mounting seat is installed on the telescopic shaft of the leakage detection driving cylinder and is located in the leakage detection assembly mounting groove, and the inflation head and the plug sensor are installed side by side on the detection head mounting seat along the lateral interval.
[0006] In the above technical scheme, during actual work, it is only necessary to place the pneumatic diaphragm valve to be tested in the corresponding positioning groove, and then the first clamping assembly and the second clamping assembly work to position and clamp the pneumatic diaphragm valve in the positioning groove, and then the leak detection assembly works, and the leak detection drive cylinder drives the detection head mounting seat to move forward, so that the inflation head and the plugging head sensor installed side by side on the detection head mounting seat are respectively connected to the air inlet and the air outlet on the pneumatic diaphragm valve, and then the inflation head inflates the air into the air inlet, and the plugging head sensor is used to sense the air pressure. If the air pressure detected by the plugging head sensor meets the set value, then it proves that the pneumatic diaphragm valve is qualified. If the detected air pressure is less than the set value, it proves that the pneumatic diaphragm valve has a leak and the product is unqualified. Leakage detection is very convenient and quick.
[0007] Preferably, the first clamping assembly includes a first clamping cylinder, a first clamping cylinder mounting seat and a first clamping head, wherein the first clamping cylinder mounting seat is fixed on the fixture body and is located outside the first clamping assembly mounting groove, the first clamping cylinder is mounted on the first clamping cylinder mounting seat, and the first clamping head is fixed on the telescopic shaft of the first clamping cylinder. In actual operation, the first clamping cylinder can push the first clamping head forward or backward to achieve clamping or loosening of the pneumatic diaphragm valve.
[0008] Preferably, the second clamping assembly includes a second clamping cylinder, a second clamping cylinder mounting seat and a second chuck, wherein the second clamping cylinder mounting seat is fixed on the clamp body and is located on the outside of the second clamping assembly mounting groove, the second clamping cylinder is installed on the second clamping cylinder mounting seat, the second chuck is fixed on the telescopic shaft of the second clamping cylinder, and the second chuck is horizontally arranged opposite to the first chuck. During actual work, the second clamping cylinder can be used to push the second chuck forward or backward, and cooperate with the first chuck to achieve the clamping or loosening of the pneumatic diaphragm valve.
[0009] The beneficial effects of the automatic air leakage detection device for a pneumatic diaphragm valve provided by the utility model are: the automatic air leakage detection device for a pneumatic diaphragm valve is reasonably designed, simple in structure, and highly automated, and can realize automatic positioning, docking, and automatic detection of the air leakage detection component and the pneumatic diaphragm valve, with high working efficiency and good detection effect. During actual work, it is only necessary to place the pneumatic diaphragm valve to be tested in the corresponding positioning groove, and then the first clamping assembly and the second clamping assembly work to position and clamp the pneumatic diaphragm valve in the positioning groove, and then the leak detection assembly works, and the leak detection drive cylinder drives the detection head mounting seat to move forward, so that the inflation head and the plugging head sensor installed side by side on the detection head mounting seat are respectively connected to the air inlet and air outlet on the pneumatic diaphragm valve, and then the inflation head inflates the air into the air inlet, and the plugging head sensor is used to sense the air pressure. If the air pressure detected by the plugging head sensor meets the set value, then it proves that the pneumatic diaphragm valve is qualified. If the detected air pressure is less than the set value, it proves that the pneumatic diaphragm valve has a leak and the product is unqualified. Leakage detection is very convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the three-dimensional structural assembly of the pneumatic diaphragm valve.
[0011] Figure 2 It is a schematic diagram of the three-dimensional structure assembly of the utility model.
[0012] Figure 3 It is an exploded view of the three-dimensional structure of the utility model.
[0013] In the figure: 1. clamp; 11. clamp body; 12. positioning groove; 13. first clamping assembly mounting groove; 14. second clamping assembly mounting groove; 15. leak detection assembly mounting groove; 2. first clamping assembly; 21. first clamping cylinder; 22. first clamping cylinder mounting seat; 23. first chuck; 3. second clamping assembly; 31. second clamping cylinder; 32. second clamping cylinder mounting seat; 33. second chuck; 4. leak detection assembly; 41. leak detection drive cylinder; 42. detection head mounting seat; 43. inflation head; 44. plug sensor; 100. pneumatic diaphragm valve; 200. air inlet; 300. air outlet. DETAILED DESCRIPTION
[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. All other embodiments obtained by ordinary personnel in this field without creative work are within the scope of protection of the utility model.
[0015] Embodiment: An automatic leakage detection device for a pneumatic diaphragm valve.
[0016] Reference Figures 1 to 3 As shown, an automatic leakage detection device for a pneumatic diaphragm valve comprises: a fixture 1, wherein the fixture 1 comprises a fixture body 11, wherein a positioning groove 12 is arranged on the fixture body 11, wherein the shape of the positioning groove 12 matches the pneumatic diaphragm valve 100, wherein a first clamping assembly mounting groove 13 and a second clamping assembly mounting groove 14 are arranged oppositely on the left and right sides of the positioning groove 12, wherein a first clamping assembly 2 is mounted in the first clamping assembly mounting groove 13, wherein a second clamping assembly 4 is mounted in the second clamping assembly mounting groove 14, and wherein the first clamping assembly 2 is arranged oppositely to the second clamping assembly 3. The first clamping assembly comprises a first clamping cylinder 21, a first clamping cylinder mounting seat 22 and a first chuck 23, wherein the first clamping cylinder mounting seat 22 is fixed on the fixture body 11 and is located outside the first clamping assembly mounting groove 13, wherein the first clamping cylinder 21 is mounted on the first clamping cylinder mounting seat 22, and the first chuck 23 is fixed on the telescopic shaft of the first clamping cylinder 21. The second clamping assembly 3 includes a second clamping cylinder 31, a second clamping cylinder mounting seat 32 and a second chuck 33, wherein the second clamping cylinder mounting seat 32 is fixed on the fixture body 11 and is located on the outside of the second clamping assembly mounting groove 14, the second clamping cylinder 31 is installed on the second clamping cylinder mounting seat 32, the second chuck 33 is fixed on the telescopic shaft of the second clamping cylinder 31, and the second chuck 33 is horizontally arranged relative to the first chuck 23. During actual work, the second clamping cylinder 31 can be used to push the second chuck 33 forward or backward, and cooperate with the first clamping cylinder 21 to push the first chuck 23 to achieve clamping or loosening of the pneumatic diaphragm valve 100, and ensure the stability of the position of the pneumatic diaphragm valve 100 during the detection process.
[0017] A leak detection assembly mounting groove 15 is provided on the fixture body 11 on one side of the second clamping assembly mounting groove 14, and the leak detection assembly 4 is mounted in the leak detection assembly mounting groove 15. The leak detection assembly 4 includes a leak detection drive cylinder 41, a detection head mounting seat 42, an inflation head 43 and a plug sensor 44, wherein the leak detection drive cylinder 41 is mounted on a second clamping cylinder mounting seat 32 fixed to the outside of the leak detection assembly mounting groove 15, the detection head mounting seat 42 is mounted on the telescopic shaft of the leak detection drive cylinder 41 and is located in the leak detection assembly mounting groove 15, and the inflation head 43 and the plug sensor 44 are mounted side by side on the detection head mounting seat 42 at a lateral interval. During actual work, it is only necessary to place the pneumatic diaphragm valve 100 to be tested in the positioning groove 12 corresponding to the fixture 1, and then the first clamping component 2 and the second clamping component 3 work to position and clamp the pneumatic diaphragm valve 100 in the positioning groove 12, and then the leak detection component 4 works, and the leak detection drive cylinder 41 drives the detection head mounting seat 42 to move forward, so that the inflation head 43 and the plugging sensor 44 installed side by side on the detection head mounting seat 42 are respectively connected to the air inlet 200 and the air outlet 300 on the pneumatic diaphragm valve 100, and then the inflation head 43 inflates the air into the air inlet 200, and the plugging sensor 44 is used to sense the size of the air pressure. If the air pressure detected by the plugging sensor 44 meets the set value, it proves that the pneumatic diaphragm valve 100 is qualified. If the detected air pressure is less than the set value, it proves that the pneumatic diaphragm valve 100 has a leak and the product is unqualified. Leakage detection is very convenient and quick.
[0018] The automatic air leakage detection device of the pneumatic diaphragm valve is reasonably designed, simple in structure, and highly automated, and can realize automatic positioning, docking, and automatic detection of the air leakage detection component and the pneumatic diaphragm valve, with high working efficiency and good detection effect.
[0019] The above is only a preferred embodiment of the present invention, but the present invention should not be limited to the contents disclosed in the embodiment and the drawings, so any equivalent or modification completed without departing from the spirit disclosed in the present invention shall fall within the scope of protection of the present invention.
Claims
1. An automatic leakage detection device for a pneumatic diaphragm valve, characterized in that include: The clamp comprises a clamp body, a positioning groove is provided on the clamp body, a first clamping component mounting groove and a second clamping component mounting groove are relatively provided on the left and right sides of the positioning groove, the first clamping component is installed in the first clamping component mounting groove, the second clamping component is installed in the second clamping component mounting groove, and the first clamping component and the second clamping component are arranged opposite to each other, a leakage detection component mounting groove is provided on the clamp body at one side of the second clamping component mounting groove, the leakage detection component is installed in the leakage detection component mounting groove, the leakage detection component comprises a leakage detection driving cylinder, a detection head mounting seat, an inflation head and a plug sensor, wherein the leakage detection driving cylinder is installed on the second clamping cylinder mounting seat fixed on the outside of the leakage detection component mounting groove, the detection head mounting seat is installed on the telescopic shaft of the leakage detection driving cylinder and is located in the leakage detection component mounting groove, and the inflation head and the plug sensor are installed side by side on the detection head mounting seat along the lateral interval.
2. The automatic air leakage detection device for a pneumatic diaphragm valve according to claim 1, characterized in that: The first clamping assembly includes a first clamping cylinder, a first clamping cylinder mounting seat and a first chuck, wherein the first clamping cylinder mounting seat is fixed on the clamp body and is located on the outside of the first clamping assembly mounting groove, the first clamping cylinder is installed on the first clamping cylinder mounting seat, and the first chuck is fixed on the telescopic shaft of the first clamping cylinder.
3. The automatic air leakage detection device for a pneumatic diaphragm valve according to claim 2, characterized in that: The second clamping assembly includes a second clamping cylinder, a second clamping cylinder mounting seat and a second chuck, wherein the second clamping cylinder mounting seat is fixed on the clamp body and is located on the outside of the second clamping assembly mounting groove, the second clamping cylinder is installed on the second clamping cylinder mounting seat, the second chuck is fixed on the telescopic shaft of the second clamping cylinder, and the second chuck is arranged horizontally opposite to the first chuck.