Automatic detection device for back pressure valve
By designing the automatic detection device of the back pressure valve and using technical means such as driving modules and pressure sensors, the problems of inefficiency and poor accuracy of traditional detection methods are solved, and efficient and accurate automatic detection is achieved.
Patent Information
- Application Number
- CN202421769039.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-25
AI Technical Summary
Traditional backpressure valve detection methods require manual operation, which are inefficient and the accuracy of the detection results are difficult to ensure.
Design a backpressure valve automatic detection device, including a frame, product compression tooling, product placement tooling and drive module. The drive module drives the product compression tooling and product placement tooling to connect to the product placement tooling to form a sealed path, and use pressure sensors and flowmeters to detect the relevant parameters of the product to be inspected.
Automatic detection of products to be inspected is realized, the detection efficiency and accuracy are improved, and manual participation is reduced.
Smart Images
Figure CN222895898U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of valve detection, and in particular relates to an automatic detection device for a back pressure valve. Background Art
[0002] The back pressure valve is a product widely used in the pipelines of electric compressor systems. It mainly regulates the pressure in the compressor system pipelines. Its function is to maintain a certain back pressure in the pipeline system or prevent backflow.
[0003] The finished back pressure valve has problems such as poor intake leakage, poor reverse leakage, poor forward flow, poor opening pressure, poor closing pressure, blockage, and internal parts failure. It is necessary to pass various performance and function tests to confirm whether the product is qualified. However, traditional testing methods usually require manual operation, which is not only inefficient, but also difficult to guarantee the accuracy of the test results. Utility Model Content
[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an automatic detection device for a back pressure valve, which can reduce manual participation and realize automatic detection operations of multiple products to be inspected, thereby improving the efficiency and accuracy of back pressure valve detection.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an automatic detection device for a back pressure valve, comprising a frame, on which are arranged a plurality of sets of relatively arranged product pressing tools and product placing tools, and on which is arranged a driving module capable of driving the product pressing tools and the product placing tools to press downward;
[0006] The product pressing tool is provided with a first detection channel, the product placing tool is provided with a second detection channel capable of sealingly docking with the first detection channel, the first detection channel and / or the second detection channel can be embedded with the product to be inspected, and the first detection channel and / or the second detection channel are provided with a pressure sensor and a flow meter;
[0007] The frame is provided with an electrical control module electrically connected to the pressure sensor and the flow meter, and the electrical control module is provided with an on-off pipeline module connected to the first detection channel and the second detection channel.
[0008] Optionally, a contoured groove is provided at one end of the second detection channel facing the product pressing tooling, and a first tooling sealing ring capable of being sleeved on the outer periphery of the product to be inspected is embedded in the contoured groove.
[0009] Optionally, a second tooling sealing ring is provided on a side of the product placing tooling facing the product pressing tooling.
[0010] Optionally, the product placing tooling and the product pressing tooling are both detachably connected to a tooling bracket placed on the frame;
[0011] Wherein, the tooling bracket comprises two mounting plates arranged opposite to each other, and a plurality of set plates are arranged between the two mounting plates.
[0012] Optionally, the driving module is a cylinder, the product pressing tool is installed on the end of the piston rod of the cylinder, and the cylinder and the product placing tool are respectively arranged on the two mounting plates;
[0013] Wherein, the piston rod is inserted through the mounting plate, a guide shaft which is arranged parallel to the piston rod is movably inserted through the mounting plate, and one end of the guide shaft is connected to the product pressing tooling.
[0014] Optionally, a data display electrically connected to the pressure sensor and the flow meter is provided on the rack.
[0015] Optionally, the frame is provided with a safety grating surrounding the product placing tooling and the product pressing tooling.
[0016] Optionally, the product pressing tool is coaxially arranged with the product placing tool.
[0017] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: by placing the product to be inspected in the first detection channel or the second detection channel, and the driving module drives the product clamping tooling to dock with the product placing tooling, the product to be inspected becomes a necessary hub connecting the first detection channel and the second detection channel, and then the gas flow direction and gas pressure through the first detection channel and the second detection channel are controlled by the electrical control module and the on-off pipeline module; the relevant parameters of the product to be inspected are detected by the pressure sensor and flow meter placed in the first detection channel and / or the second detection channel, and the detection speed is fast, and the accuracy and efficiency are high. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0019] Figure 1 It is a structural schematic diagram of the automatic detection device for back pressure valve in the preferred embodiment of the utility model;
[0020] Figure 2 It is a structural schematic diagram of a product pressing tool, a product placing tool and a cylinder installed on a tool support in a preferred embodiment of the utility model;
[0021] Figure 3 It is a schematic cross-sectional view of the structure when the product pressing tool is pressed down on the product placing tool in the preferred embodiment of the utility model;
[0022] Among them, 1. Rack; 2. Product pressing tooling; 201. First detection channel; 3. Product placement tooling; 301. Second detection channel; 302. Profiling groove; 303. First tooling sealing ring; 304. Second tooling sealing ring; 4. Product to be inspected; 5. Tooling bracket; 501. Mounting plate; 502. Vertical plate; 6. Cylinder; 7. Guide shaft; 8. Data display; 9. Safety grating. DETAILED DESCRIPTION
[0023] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.
[0024] It should be noted that if there are directional indications (such as up, down, bottom, top, etc.) involved in this embodiment, the directional indication is only used to explain the relative position relationship, movement, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. Unless otherwise clearly specified and defined, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0025] like Figure 1-Figure 3 As shown, an automatic detection device for a back pressure valve comprises a frame 1, on which are arranged several groups of relatively arranged product pressing toolings 2 and product placing toolings 3, and on which is arranged a driving module capable of driving the product pressing toolings 2 and the product placing toolings 3 to press downward; wherein, the product pressing tooling 2 is provided with a first detection channel 201, and the product placing tooling 3 is provided with a second detection channel 301 capable of sealingly docking with the first detection channel 201, and the first detection channel 201 and / or the second detection channel 301 can be embedded with a product 4 to be detected, and the first detection channel 201 and / or the second detection channel 301 are provided with a pressure sensor and a flow meter; the frame 1 is provided with an electrical control module electrically connected to the pressure sensor and the flow meter, and the electrical control module is provided with an on-off pipeline module connected to the first detection channel 201 and the second detection channel 301.
[0026] In the present technical solution, preferably, the product to be inspected 4 is manually placed in the second inspection channel 301 on the product placement tooling 3, the outer periphery of the product to be inspected 4 is relatively sealed with the inner wall of the second inspection channel 301, and when the drive module drives the product pressing tooling 2 to press down on the product placement tooling 3, the pressing surface of the product pressing tooling 2 and the product placement tooling 3 remain relatively sealed. At this time, the first inspection channel 201 is docked with the second inspection channel 301, and a relatively sealed passage is formed. The gas introduced from the other end of the first inspection channel 201 can only be discharged after passing through the product to be inspected 4 and the second inspection channel 301, and the gas introduced from the other end of the second inspection channel 301 can only be discharged after passing through the product to be inspected 4 and the first inspection channel 201. The electrical control module is a prior art, integrating gas circuits and circuits, and the on-off pipeline module includes a number of solenoid valves and pressure regulating proportional valves, which are arranged on the air pipe connected to the first inspection channel 201 and the second inspection channel 301. During detection, the on-off of the gas circuit is controlled by the solenoid valve in the electrical control module, and the on-off of the solenoid valve changes the gas flow direction in the on-off pipeline module to control the first detection channel 201 as the gas outlet end or the first detection channel 201 as the gas inlet end, so as to switch the required gas circuit test mode, and control the gas pressure by the electrical control module and the on-off pipeline module (control the gas pressure by controlling the pressure regulating proportional valve) to change the pressure on the product 4 to be tested, so as to obtain relevant detection data through the pressure sensor and flow meter in the first detection channel 201 or the second detection channel 301.
[0027] Furthermore, the gas pressure entering the first detection channel 201 or the second detection channel 301 can be set to a fixed value. When the gas is passed through the first detection channel 201, the relevant parameters of a certain flow direction of the product 4 to be inspected can be obtained by comparing the data fed back by the pressure sensor and flow meter in the second detection channel 301. Similarly, when the gas is passed through the second detection channel 301, the relevant parameters of another flow direction of the product 4 to be inspected can be obtained by comparing the data fed back by the pressure sensor and flow meter in the first detection channel 201. The collected detection data can correspond one-to-one with the product 4 to be inspected, thereby realizing the traceability of the detection data.
[0028] As described above, the automatic detection device for back pressure valves in the present technical solution can replace traditional manual operations and improve detection efficiency; and can simultaneously perform detection operations on multiple products 4 to be inspected, thereby improving production efficiency.
[0029] Further, such as Figure 3As shown, a contoured groove 302 is provided at one end of the second detection channel 301 facing the product clamping tool 2, and a first tool sealing ring 303 that can be sleeved on the outer periphery of the product to be inspected 4 is embedded in the contoured groove 302. The first tool sealing ring 303 in the contoured groove 302 can not only improve the air tightness of the product to be inspected 4 during the inspection, but also limit the position of the product to be inspected 4 through its own elasticity to prevent the product to be inspected 4 from being misplaced.
[0030] Furthermore, a second tooling sealing ring 304 is provided on the side of the product placing tooling 3 facing the product pressing tooling 2. When the product pressing tooling 2 is pressed down on the product placing tooling 3, the second tooling sealing ring 304 on the product placing tooling 3 is squeezed, and the pressing surfaces of the product pressing tooling 2 and the product placing tooling 3 remain relatively sealed.
[0031] The above, such as Figure 2 As shown, the product placement tooling 3 and the product pressing tooling 2 are both detachably connected to a tooling bracket 5 placed on the frame 1; wherein, the tooling bracket 5 includes two relatively arranged mounting plates 501, and a plurality of assembly plates 502 are arranged between the two mounting plates 501 to facilitate the disassembly and assembly of the product placement tooling 3.
[0032] Furthermore, the driving module is a cylinder 6, and the product pressing tool 2 is installed on the end of the piston rod on the cylinder 6. The cylinder 6 and the product placing tool 3 are respectively arranged on the two mounting plates 501; wherein, the piston rod is passed through the mounting plate 501, and a guide shaft 7 parallel to the piston rod is movably passed through the mounting plate 501, and one end of the guide shaft 7 is connected to the product pressing tool 2 to improve the accuracy and stability of the product pressing tool 2 during downward displacement.
[0033] The rack 1 is provided with a data display 8 electrically connected to the pressure sensor and the flow meter. The data display 8 is a prior art and can collect, record and display data detected by the pressure sensor and the flow meter corresponding to the product 4 to be inspected.
[0034] In the technical solution, the frame 1 is provided with a safety grating 9 surrounding the product placement tool 3 and the product pressing tool 2 to improve the safety during manual operation. At the same time, the product pressing tool 2 and the product placement tool 3 are coaxially arranged, so that the force exerted by the product pressing tool 2 on the product placement tool 3 can be concentrated on the product placement tool 3 along its axial direction, which can effectively prevent the product pressing tool 2 and the product placement tool 3 from being severely deformed due to uneven force.
[0035] Working principle: The products 4 to be inspected need to be placed manually one by one in the contoured groove 302 on the second inspection channel 301, and the outer periphery of the products 4 to be inspected is relatively sealed with the inner wall of the second inspection channel 301 through the first tooling sealing ring 303. Then the cylinder 6 drives the product pressing tooling 2 to press down on the product placing tooling 3, and the product pressing tooling 2 maintains a relative seal with the pressing surface of the product placing tooling 3 through the second tooling sealing ring 304. At this time, the first detection channel 201 is docked with the second detection channel 301 to form a relatively sealed passage; during detection, the solenoid valve in the electrical control module is used to control the on-off of the gas circuit, and the on-off of the solenoid valve changes the gas flow direction in the on-off pipeline module to control the first detection channel 201 as the gas outlet or the first detection channel 201 as the gas inlet, so as to switch the required gas circuit test mode, and control the size of the gas pressure through the electrical control module and the on-off pipeline module to change the pressure on the product to be tested 4, so as to obtain relevant detection data through the pressure sensor and flow meter in the first detection channel 201 or the second detection channel 301. The acquired detection data can be collected, recorded and displayed through the data display 8. After the detection is completed, the cylinder 6 drives the product clamping fixture 2 to reset, and then the product to be tested 4 that has completed the detection is manually removed to complete the detection.
[0036] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.
Claims
1. An automatic detection device for a back pressure valve, comprising a frame (1), characterized in that: The frame (1) is provided with a plurality of groups of product pressing tools (2) and product placing tools (3) which are arranged opposite to each other, and the frame (1) is provided with a driving module which can drive the product pressing tools (2) and the product placing tools (3) to press downward; The product pressing tool (2) is provided with a first detection channel (201), the product placing tool (3) is provided with a second detection channel (301) capable of sealingly docking with the first detection channel (201), the product to be inspected (4) can be embedded in the first detection channel (201) and / or the second detection channel (301), and the first detection channel (201) and / or the second detection channel (301) are provided with a pressure sensor and a flow meter; The frame (1) is provided with an electrical control module electrically connected to the pressure sensor and the flow meter, and the electrical control module is provided with an on-off pipeline module connected to the first detection channel (201) and the second detection channel (301).
2. The automatic detection device for back pressure valve according to claim 1 is characterized in that: The second detection channel (301) is provided with a contoured groove (302) at one end facing the product pressing tool (2), and a first tool sealing ring (303) capable of being sleeved on the outer circumference of the product to be inspected (4) is embedded in the contoured groove (302).
3. The automatic detection device for back pressure valve according to claim 1 is characterized in that: A second tooling sealing ring (304) is provided on the side of the product placing tooling (3) facing the product pressing tooling (2).
4. The automatic detection device for back pressure valve according to claim 1 is characterized in that: The product placement tool (3) and the product pressing tool (2) are both detachably connected to a tool support (5) placed on the frame (1); The tooling bracket (5) comprises two mounting plates (501) arranged opposite to each other, and a plurality of assembly plates (502) are arranged between the two mounting plates (501).
5. The automatic detection device for back pressure valve according to claim 4 is characterized in that: The driving module is a cylinder (6), the product pressing tool (2) is mounted on the end of a piston rod on the cylinder (6), and the cylinder (6) and the product placing tool (3) are respectively arranged on two mounting plates (501); The piston rod is inserted into the mounting plate (501), a guide shaft (7) arranged parallel to the piston rod is movably inserted into the mounting plate (501), and one end of the guide shaft (7) is connected to the product pressing tool (2).
6. The automatic detection device for back pressure valve according to claim 1, characterized in that: The frame (1) is provided with a data display (8) electrically connected to the pressure sensor and the flow meter.
7. The automatic detection device for back pressure valve according to claim 1, characterized in that: The frame (1) is provided with a safety grating (9) surrounding the product placement tooling (3) and the product pressing tooling (2).
8. The automatic detection device for back pressure valve according to claim 1, characterized in that: The product pressing tool (2) and the product placing tool (3) are coaxially arranged.