Air tightness detection device for pneumatic valve
By designing an automatic positioning and detection pneumatic valve airtightness detection device, the problems of low efficiency and poor accuracy of manual positioning detection in the prior art are solved, and efficient and accurate pneumatic valve air leakage detection are achieved.
Patent Information
- Application Number
- CN202421665774.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing pneumatic valve air leakage detection device requires manual positioning inspection, which is inefficient and can easily lead to inaccurate detection.
A pneumatic valve airtightness detection device is designed, using an automatic positioning and detection system driven by fixture seat and pressure cylinder. It is inserted into the air inlet hole of the pneumatic valve through the inflatable head and cooperates with external pressure monitoring equipment to achieve automatic detection.
The automatic positioning and docking of the air leakage detection component and the pneumatic valve are realized, which improves working efficiency and ensures the accuracy of detection.
Smart Images
Figure CN222800292U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pneumatic valve processing, in particular to an air tightness detection device for a pneumatic valve. Background Art
[0002] Before leaving the factory, pneumatic valves are tested for leaks to prevent leaks in the pneumatic valves sold, which would affect the manufacturer's brand image and sales. Therefore, pneumatic valves are tested using leak detection devices before leaving the factory for sale. In the actual detection process, the existing leak detection devices generally use manual alignment detection, that is, manually plugging and connecting the air inlet duct and the air inlet hole of the pneumatic valve, and then using an external air pump and the duct to inject air into the air inlets at the front and rear ends of the pneumatic valve, and placing the pneumatic valve in clean water. If there is a leak, bubbles will appear in the clean water, and then determine whether the pneumatic valve is leaking and the location of the leak. This detection method uses manual alignment, which is not only inefficient, but also prone to inaccurate detection due to inaccurate alignment, so it needs to be improved. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model proposes an air tightness detection device for a pneumatic valve, which can realize automatic positioning, docking and automatic detection of a leakage detection component and a pneumatic valve, has high working efficiency and good detection effect.
[0004] In order to realize the above technical scheme, the utility model provides an air tightness detection device for a pneumatic valve, comprising: a fixture seat, a middle limit groove for limiting the movement of the pneumatic valve is arranged on the fixture seat, a left chuck mounting groove and a right chuck mounting groove are respectively arranged on the left and right sides of the middle limit groove on the fixture seat, a first side pressure cylinder arranged horizontally is installed on the end edge of the right chuck mounting groove, the first side pressure head is installed on the telescopic shaft of the first side pressure cylinder and is located in the right chuck mounting groove, and the end edge of the left chuck mounting groove A horizontally arranged second side pressure cylinder is installed on it, the second side pressure head is installed on the telescopic axis of the second side pressure cylinder and is located in the left clamp mounting groove, the first side pressure head and the second side pressure head are arranged opposite to each other, four support rods distributed in a square and extending vertically upward are arranged on the clamp seat, a top plate is installed on the top of the four support rods, a vertically downwardly arranged downward pressure cylinder is installed on the top plate, a downward pressure head is installed on the telescopic axis of the downward pressure cylinder, and an inflation head corresponding to the air inlet hole at the top of the pneumatic valve is installed on the downward pressure head.
[0005] In the above technical solution, when actually working, it is only necessary to place the pneumatic valve in the middle limit groove set on the fixture seat, and then start the equipment, the first side pressure cylinder and the second side pressure cylinder act at the same time, drive the first side pressure head and the second side pressure head to move relative to each other, clamp the pneumatic valve in the middle limit groove of the fixture seat, and then the lower pressure cylinder drives the lower pressure head to move downward, so that the inflation head installed on the lower pressure head is inserted into the air inlet hole at the top of the pneumatic valve, and then inflate the pneumatic valve through the inflation head, and then cooperate with the external pressure monitoring equipment to detect whether the pneumatic valve is leaking. After the detection is completed, the lower pressure cylinder drives the lower pressure head to reset, and the first side pressure cylinder and the second side pressure cylinder respectively drive the first side pressure head and the second side pressure head to reset, and then the pneumatic valve can be replaced, which is very convenient to operate.
[0006] Preferably, the front end of the clamp seat is provided with an air avoidance hole arranged opposite to the air outlet hole at the front end of the pneumatic valve, so as to facilitate the connection between the air outlet hole at the front end of the pneumatic valve and the external pressure monitoring equipment.
[0007] Preferably, a pneumatic control valve for controlling the opening and closing of the first side pressure cylinder, the second side pressure cylinder and the downward pressure cylinder is installed on the clamp seat, and the pneumatic control valve is respectively connected to the first side pressure cylinder, the second side pressure cylinder and the downward pressure cylinder through a ventilation pipe to facilitate automatic control of the first side pressure cylinder, the second side pressure cylinder and the downward pressure cylinder.
[0008] Preferably, the clamp seat is made of ABS material in one piece to enhance the overall strength of the clamp seat.
[0009] The beneficial effect of the air tightness detection device of a pneumatic valve provided by the utility model is that the air tightness detection device of the pneumatic valve has a reasonable design, a simple structure, and is easy to operate. It can realize the automatic positioning, docking, and automatic detection of the air leakage detection component and the pneumatic valve, and has high working efficiency and good detection effect. In actual work, it is only necessary to place the pneumatic valve in the middle limit groove set on the fixture seat, and then start the equipment, the first side pressure cylinder and the second side pressure cylinder act at the same time, drive the first side pressure head and the second side pressure head to move relative to each other, clamp the pneumatic valve in the middle limit groove of the fixture seat, and then the lower pressure cylinder drives the lower pressure head to move downward, so that the inflatable head installed on the lower pressure head is inserted into the air inlet hole at the top of the pneumatic valve, and then inflate the pneumatic valve through the inflatable head, and then cooperate with the external pressure monitoring equipment to detect whether the pneumatic valve is leaking. After the detection is completed, the lower pressure cylinder drives the lower pressure head to reset, and the first side pressure cylinder and the second side pressure cylinder drive the first side pressure head and the second side pressure head to reset respectively, and then replace the pneumatic valve, which is very convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the three-dimensional structure assembly of the utility model.
[0011] Figure 2 It is a front view of the utility model.
[0012] Figure 3 It is a top view of the utility model.
[0013] Figure 4 for Figure 2 Sectional view of AA.
[0014] In the figure: 1, clamp seat; 2, first side pressure cylinder; 3, first side pressure head; 4, second side pressure cylinder; 5, second side pressure head; 6, support rod; 7, top plate; 8, lower pressure cylinder; 9, lower pressure head; 10, air avoidance hole; 11, inflation head; 100, pneumatic valve. DETAILED DESCRIPTION
[0015] 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.
[0016] Embodiment: An air tightness detection device for a pneumatic valve.
[0017] Reference Figures 1 to 4 As shown, an air tightness detection device for a pneumatic valve comprises: a fixture seat 1, wherein the fixture seat 1 is integrally processed with ABS material to enhance the overall strength of the fixture seat 1, wherein the fixture seat 1 is provided with a central limiting groove for limiting the movement of the pneumatic valve, and the fixture seat 1 is provided with a left chuck mounting groove and a right chuck mounting groove on the left and right sides of the central limiting groove, respectively, and a horizontally arranged first side pressure cylinder 2 is installed on the end edge of the right chuck mounting groove, and a first side pressure head 3 is installed on the telescopic shaft of the first side pressure cylinder 2 On the left chuck mounting groove, a horizontally arranged second side pressure cylinder 4 is installed on the end edge of the left chuck mounting groove, and the second side pressure head 5 is installed on the telescopic axis of the second side pressure cylinder 4 and is located in the left chuck mounting groove. The first side pressure head 3 and the second side pressure head 5 are arranged opposite to each other. During actual work, the first side pressure cylinder 2 and the second side pressure cylinder 4 can respectively push the first side pressure head 3 and the second side pressure head 5 to move relative to each other, thereby realizing the clamping of the pneumatic valve 100 placed in the limiting groove in the middle of the clamp seat 1.
[0018] The clamp seat 1 is provided with four support rods 6 which are distributed in a square shape and extend vertically upwards. A top plate 7 is installed on the top of the four support rods 6. A downward pressure cylinder 8 which is vertically downwards is installed on the top plate 7. A downward pressure head 9 is installed on the telescopic shaft of the downward pressure cylinder 8. An air charging head 11 which corresponds to the air inlet at the top of the pneumatic valve 100 is installed on the downward pressure head 9. During actual operation, the downward pressure cylinder 8 can drive the downward pressure head 9 to move downwards, so that the air charging head 11 installed on the downward pressure head 9 is inserted into the air inlet at the top of the pneumatic valve 100, and then the pneumatic valve 100 is inflated through the air charging head 11. The front end of the clamp seat 1 is provided with an air avoidance hole 10 which is arranged opposite to the air outlet at the front end of the pneumatic valve 100, so as to facilitate the connection between the air outlet at the front end of the pneumatic valve 100 and the external pressure monitoring equipment.
[0019] A pneumatic control valve for controlling the opening and closing of the first side pressure cylinder 2, the second side pressure cylinder 4 and the downward pressure cylinder 8 is installed on the clamp seat 1. The pneumatic control valve is respectively connected to the first side pressure cylinder 2, the second side pressure cylinder 4 and the downward pressure cylinder 8 through a ventilation pipe to facilitate automatic control of the first side pressure cylinder 2, the second side pressure cylinder 4 and the downward pressure cylinder 8.
[0020] The air tightness detection device of the pneumatic valve is reasonably designed, simple in structure, and easy to operate. It can realize automatic positioning, docking, and automatic detection of the air leakage detection component and the pneumatic valve, with high working efficiency and good detection effect. In actual work, it is only necessary to place the pneumatic valve 100 in the middle limit groove set on the fixture seat 1, and then start the pneumatic control valve, the first side pressure cylinder 2 and the second side pressure cylinder 4 act at the same time, drive the first side pressure head 3 and the second side pressure head 5 to move relative to each other, clamp the pneumatic valve 100 in the middle limit groove of the fixture seat 1, and then the down-pressure cylinder 8 drives the down-pressure head 9 to move downward, so that the inflation head 11 installed on the down-pressure head 9 is inserted into the air inlet hole at the top of the pneumatic valve 100, and then inflate the pneumatic valve 100 through the inflation head 11, and then cooperate with the external pressure monitoring equipment to detect whether the pneumatic valve is leaking. After the detection is completed, the downward pressure cylinder 8 drives the downward pressure head 9 to reset, the first side pressure cylinder 2 and the second side pressure cylinder 4 respectively drive the first side pressure head 3 and the second side pressure head 5 to reset, and then the pneumatic valve 100 can be replaced, which is very convenient to operate.
[0021] 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 air tightness detection device for a pneumatic valve, characterized in that include: The clamp seat is provided with a middle limiting groove for limiting the movement of the pneumatic valve, and the clamp seat is respectively provided with a left clamp mounting groove and a right clamp mounting groove on the left and right sides of the middle limiting groove, and a horizontally arranged first side pressure cylinder is installed on the end edge of the right clamp mounting groove, the first side pressure head is installed on the telescopic shaft of the first side pressure cylinder and is located in the right clamp mounting groove, and a horizontally arranged second side pressure cylinder is installed on the end edge of the left clamp mounting groove, the second side pressure head is installed on the telescopic shaft of the second side pressure cylinder and is located in the left clamp mounting groove, the first side pressure head and the second side pressure head are arranged opposite to each other, and the clamp seat is provided with four support rods distributed in a square and extending vertically upward, and a top plate is installed on the top of the four support rods, and a downward pressure cylinder arranged vertically downward is installed on the top plate, and a downward pressure head is installed on the telescopic shaft of the downward pressure cylinder, and an inflation head corresponding to the air inlet hole at the top of the pneumatic valve is installed on the downward pressure head.
2. The air tightness detection device for a pneumatic valve according to claim 1, characterized in that: The front end of the clamp seat is provided with an air avoidance hole which is arranged opposite to the air outlet hole at the front end of the pneumatic valve.
3. The air tightness detection device for a pneumatic valve according to claim 1, characterized in that: A pneumatic control valve for controlling the opening and closing of the first side pressure cylinder, the second side pressure cylinder and the downward pressure cylinder is installed on the fixture seat, and the pneumatic control valve is connected to the first side pressure cylinder, the second side pressure cylinder and the downward pressure cylinder through a ventilation pipe.
4. The air tightness detection device for a pneumatic valve according to claim 1, characterized in that: The clamp seat is made of ABS material and is processed in one piece.