Silica gel glove air leakage detection equipment

Abstract

The invention relates to the technical field of glove testing, in particular to silica gel glove air leakage detection equipment, a box body is internally provided with a testing cavity with an opening in the upper end, the inner wall of the opening of the testing cavity is provided with an annular groove, the box body is internally provided with an upper cavity, the edge of a cover door is embedded in the annular groove, and the left end of the cover door extends into the upper cavity; the movable shaft is movably embedded in a sliding groove formed in the box body, and the right end of the movable shaft extends into the test cavity; the synchronous assembly is arranged in the box body and used for being in transmission connection with the cover door and the movable shaft. The clamping assembly is arranged on the side wall of the test cavity and sleeves the movable shaft; the air path system is arranged in the box body, and the air outlet end of the air path system is connected with a flow channel in the movable shaft and an air bag ring in the clamping assembly. The gas source system is arranged beside the box body; the gas outlet end of the gas source system is connected with the gas inlet end of the gas path system; the gas sensor is arranged on the side wall of the test cavity; and the controller is arranged on the box body. The device is simple in structural design, is high in automation degree, and can achieve the efficient and precise leakage detection and precise positioning of leakage points.

Description

Technical Field

[0001] This invention relates to the field of glove testing technology, and in particular to a device for detecting air leakage in silicone gloves. Background Technology

[0002] As protective equipment, the airtightness of silicone gloves is directly related to safety, especially in fields such as medical, chemical, and robotics. Leaking gloves may cause operators or robots to come into contact with harmful substances or corrosive products.

[0003] Traditional leak detection methods mainly include manual inflation and compression, hydrostatic testing, and ordinary pressure testing, but each has its drawbacks: manual inflation and compression is inefficient and has poor detection accuracy; hydrostatic testing easily damages gloves and cannot accurately determine the degree of leakage; and ordinary pressure testing is not sensitive to minute leaks and cannot meet the requirements for high-precision detection. Furthermore, none of these methods can accurately locate the leak point, and the equipment using these methods has a low degree of automation.

[0004] Therefore, it is essential to develop a glove leak detection device that can efficiently and accurately detect leaks and precisely locate leak points. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a silicone glove leak detection device that is simple in structure, highly automated, and capable of efficient and accurate leak detection and precise location of leak points, in order to solve the problems existing in the prior art mentioned above.

[0006] The technical solution adopted by this invention to solve its technical problem is: a silicone glove leakage detection device, including a housing and a cover, wherein the housing has a test chamber with an upper opening, the inner wall of the test chamber opening has an annular groove, the housing has an upper cavity communicating with the annular groove, the edge of the cover is embedded in the annular groove, and its left end extends into the upper cavity; it also includes:

[0007] The movable shaft is movably embedded in the sliding groove inside the box, and its right end extends into the test chamber.

[0008] The synchronization component, located inside the housing, is used for the transmission connection between the cover and the movable shaft;

[0009] The clamping assembly is located on the side wall of the test chamber and is sleeved on the movable shaft;

[0010] The air system is located inside the housing, and its air outlet is connected to the flow channel in the movable shaft and the airbag ring in the clamping assembly, respectively.

[0011] The air supply system is located next to the housing, and its outlet is connected to the inlet of the air circuit system.

[0012] A gas sensor, installed on the side wall of the test chamber, is used to detect the concentration of the test gas;

[0013] The controller is mounted on the enclosure and is connected to the gas circuit system, gas source system, and gas sensor for communication.

[0014] Furthermore, the synchronization component includes a mounting plate, an upper rack, a lower rack, an upper rotating shaft, a lower rotating shaft, a transmission assembly, an upper gear, and a lower gear. The mounting plate is disposed within the upper cavity and connected to the left end of the cover door. The upper rack is disposed on the lower surface of the left side of the mounting plate, and the lower rack is disposed at the upper end of the left side of the movable shaft. The upper and lower rotating shafts are disposed parallel to each other within the hollow cavity inside the housing. The upper rotating shaft is connected to the lower rotating shaft via the transmission assembly. The upper gear is fitted onto the middle of the upper rotating shaft and meshes with the upper rack. The lower gear is fitted onto the middle of the lower rotating shaft and meshes with the lower rack.

[0015] Furthermore, the clamping assembly includes a sleeve and an airbag ring. The sleeve is disposed on the side wall of the test chamber and sleeved on the movable shaft; the airbag ring is disposed on the inner ring of the sleeve.

[0016] Furthermore, the air circuit system includes a three-way pipe, a first air circuit, a second air circuit, a first solenoid valve, and a second solenoid valve. The three-way pipe is disposed on the side wall of the housing. The air inlet of the three-way pipe is connected to the air source system. The first air outlet of the three-way pipe is connected to the air inlet of the airbag ring through the first air circuit, and its second air outlet is connected to the flow channel through the second air circuit. The first solenoid valve is installed on the first air circuit, and the second solenoid valve is installed on the second air circuit. Both the first and second solenoid valves are communicatively connected to the controller.

[0017] Furthermore, the gas path system also includes a third gas path, a recovery pipeline, a third solenoid valve, and a recovery pump. One end of the third gas path is connected to the air outlet of the airbag ring, and the other end is connected to the gas source system through the recovery pipeline. The third solenoid valve is installed on the third gas path, and the recovery pump is installed on the recovery pipeline. Both the third solenoid valve and the recovery pump are communicatively connected to the controller.

[0018] Furthermore, the gas source system includes a gas cylinder, a delivery pipeline, and a delivery pump. The gas cylinder's gas connector is connected to the gas inlet of a three-way pipe through the delivery pipeline. The delivery pump is installed on the delivery pipeline and is communicatively connected to the controller.

[0019] Furthermore, the upper and lower walls of the right side of the upper cavity are respectively embedded with ball bearings, which abut against the cover.

[0020] Furthermore, a sealing ring is embedded in the bottom wall of the annular groove, and the sealing ring abuts against the lower surface of the cover.

[0021] Furthermore, the clamping assembly also includes a sensor and a signal block. The sensor is disposed on the inner ring of the sleeve and located on the left side of the airbag ring; the signal block is disposed on the right end of the movable shaft.

[0022] Furthermore, it also includes a heating wire and a thermal imager. The heating wire is spirally disposed on the inner wall of the flow channel, and the thermal imager is disposed on the side wall of the test chamber and is communicatively connected to the controller.

[0023] The beneficial effects of this invention are:

[0024] (1) In this invention, the gas source system inflates the air bag ring in the inner channel of the movable shaft and the clamping component through the gas path system to realize the automatic clamping and inflation of the glove. Then, the gas sensor detects whether there is test gas and its concentration in the test chamber, thereby achieving efficient and accurate leak detection and being able to judge the degree of leakage. The degree of automation is high.

[0025] (2) By setting up a synchronization component, the present invention realizes the linkage between the cover and the movable shaft, so that the glove automatically comes to the clamping component when the cover is closed, which further improves the degree of automation and significantly improves the testing efficiency.

[0026] (3) The present invention uses a heating wire and a thermal imager to heat the test gas in the flow channel. The heating wire heats the test gas in the flow channel and the thermal imager monitors the flow of the test gas in the glove. The test gas leakage will form a local temperature abnormality zone, thereby achieving accurate location of the leak point. Attached Figure Description

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] Figure 1 This is a cross-sectional view of the present invention;

[0029] Figure 2 yes Figure 1 Enlarged view of section A;

[0030] Figure 3 yes Figure 1 Enlarged view of section B;

[0031] Figure 4 This is a top view of the gas path system in this invention;

[0032] Figure 5 This is a side view of the transmission assembly in this invention;

[0033] Figure 6 This is a schematic diagram of the heating wire in this invention.

[0034] In the diagram: 100, housing; 110, test chamber; 111, annular groove; 120, upper cavity; 130, slide groove; 140, hollow cavity; 200, cover; 300, movable shaft; 310, flow channel; 400, synchronization assembly; 410, mounting plate; 420, upper rack; 430, lower rack; 440, upper rotating shaft; 450, lower rotating shaft; 460, transmission assembly; 470, upper gear; 480, lower gear; 500, clamping assembly; 510, sleeve; 520, airbag ring; 530, sensor; 540. Signal block; 600, gas path system; 610, three-way pipe; 620, first gas path; 630, second gas path; 640, first solenoid valve; 650, second solenoid valve; 660, third gas path; 670, recovery pipeline; 680, third solenoid valve; 690, recovery pump; 700, gas source system; 710, gas cylinder; 720, delivery pipeline; 730, delivery pump; 800, gas sensor; 900, controller; 1000, ball bearing; 1100, sealing ring; 1200, heating wire; 1300, thermal imager. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0036] Example 1

[0037] like Figure 1 and Figure 4As shown, a silicone glove leakage detection device includes a housing 100, a cover 200, a movable shaft 300, a synchronization component 400, a clamping component 500, a gas path system 600, a gas source system 700, a gas sensor 800, and a controller 900. The housing 100 has a test chamber 110 with an upper opening. An annular groove 111 is formed on the inner wall of the opening of the test chamber 110. An upper cavity 120 communicating with the annular groove 111 is provided inside the housing 100. The edge of the cover 200 is embedded in the annular groove 111, and its left end extends into the upper cavity 120. The movable shaft 300 is movably embedded in a sliding groove 130 provided inside the housing 100, and its right end extends into the test chamber 110. The synchronization component 400... The 00 is installed inside the housing 100 and is used for transmission connection between the cover 200 and the movable shaft 300; the clamping assembly 500 is installed on the side wall of the test chamber 110 and sleeved on the movable shaft 300; the gas path system 600 is installed inside the housing 100, and its gas outlet is connected to the flow channel 310 in the movable shaft 300 and the air bag ring 520 in the clamping assembly 500 respectively; the gas source system 700 is installed next to the housing 100, and its gas outlet is connected to the gas inlet of the gas path system 600; the gas sensor 800 is installed on the side wall of the test chamber 110 and is used to detect the concentration of the test gas; the controller 900 is installed on the housing 100 and is communicatively connected to the gas path system 600, the gas source system 700 and the gas sensor 800 respectively.

[0038] Specifically, a sealing ring 1100 is embedded in the bottom wall of the annular groove 111, and the sealing ring 1100 abuts against the lower surface of the cover 200 to ensure the internal sealing of the test chamber 110 during testing; a glass window is provided in the middle of the cover 200 to facilitate observation of the internal condition of the test chamber 110; a handle is provided on the cover 200 to facilitate pushing and pulling the cover 200; a bevel is provided at the right end of the cover 200 to facilitate the right end of the cover 200 entering the annular groove 111; the gas sensor 800 adopts a high-precision sensor, which can realize the detection of trace amounts of gas.

[0039] The gas supply system 700 inflates the flow channel 310 within the movable shaft 300 and the air bladder ring 520 in the clamping assembly 500 via the gas path system 600, achieving automatic clamping and inflation of the glove. Then, the gas sensor 800 detects the presence and concentration of test gas in the test chamber 110, enabling efficient and accurate leak detection and assessment of the degree of leakage, resulting in a high degree of automation. Simultaneously, the synchronization component 400 links the cover 200 and the movable shaft 300, allowing the glove to automatically move to the clamping assembly 500 as the cover 200 closes, further enhancing automation and significantly improving testing efficiency.

[0040] like Figure 1 , Figure 4 and Figure 5As shown, the synchronization assembly 400 includes a mounting plate 410, an upper rack 420, a lower rack 430, an upper rotating shaft 440, a lower rotating shaft 450, a transmission assembly 460, an upper gear 470, and a lower gear 480. The mounting plate 410 is disposed in the upper cavity 120 and connected to the left end of the cover 200. The upper rack 420 is disposed on the lower surface of the left side of the mounting plate 410, and the lower rack 430 is disposed on the upper end of the left side of the movable shaft 300. The upper rotating shaft 440 and the lower rotating shaft 450 are arranged in parallel in the hollow cavity 140 provided in the housing 100. The upper rotating shaft 440 is connected to the lower rotating shaft 450 through the transmission assembly 460. The upper gear 470 is fitted in the middle of the upper rotating shaft 440 and meshes with the upper rack 420. The lower gear 480 is fitted in the middle of the lower rotating shaft 450 and meshes with the lower rack 430.

[0041] Specifically, both the upper rotating shaft 440 and the lower rotating shaft 450 are rotatably mounted in the hollow cavity 140; the transmission group 460 adopts a belt and pulley structure or a chain and sprocket structure, which is existing technology and will not be described in detail here.

[0042] When the left-hand cover 200 is pushed, the mounting plate 410 moves to the left in sync. During the leftward movement of the mounting plate 410, the upper gear 470 is rotated counterclockwise via the upper rack 420, which in turn drives the upper rotating shaft 440 to rotate counterclockwise. The rotation of the upper rotating shaft 440 drives the lower rotating shaft 450 to rotate via the transmission group 460, which in turn drives the lower gear 480 to rotate counterclockwise. During the rotation of the lower gear 480, the movable shaft 300 is moved to the right via the lower rack 430, making it easier to put the glove cuff on the right end of the movable shaft 300.

[0043] like Figure 2 and Figure 4 As shown, the clamping assembly 500 includes a sleeve 510, an airbag ring 520, a sensor 530, and a signal block 540. The sleeve 510 is disposed on the side wall of the test chamber 110 and sleeved on the movable shaft 300. The airbag ring 520 is disposed on the inner ring of the sleeve 510, and the sensor 530 is disposed on the inner ring of the sleeve 510, located to the left of the airbag ring 520. The signal block 540 is disposed on the right end of the movable shaft 300. Specifically, the sensor 530 is communicatively connected to the controller 900.

[0044] When sensor 530 detects signal block 540, airbag ring 520 inflates until it contacts the cuff of the glove, thus achieving clamping. Using airbag ring 520 for clamping ensures a seal while avoiding damage to the glove cuff from rigid clamping.

[0045] like Figure 1 and Figure 4As shown, the air system 600 includes a three-way pipe 610, a first air passage 620, a second air passage 630, a first solenoid valve 640, a second solenoid valve 650, a third air passage 660, a recovery pipe 670, a third solenoid valve 680, and a recovery pump 690. The three-way pipe 610 is installed on the side wall of the housing 100. The air inlet of the three-way pipe 610 is connected to the air source system 700. The first air outlet of the three-way pipe 610 is connected to the air inlet of the airbag ring 520 through the first air passage 620, and its second air outlet is connected to the flow channel through the second air passage 630. 310 Connection: A first solenoid valve 640 is installed on the first air passage 620, a second solenoid valve 650 is installed on the second air passage 630, one end of the third air passage 660 is connected to the air outlet of the airbag ring 520, and the other end is connected to the air source system 700 through the recovery pipeline 670; a third solenoid valve 680 is installed on the third air passage 660, and a recovery pump 690 is installed on the recovery pipeline 670. The first solenoid valve 640, the second solenoid valve 650, the third solenoid valve 680, and the recovery pump 690 are all communicatively connected to the controller 900. Specifically, the second air passage 630 uses a telescopic flexible hose.

[0046] like Figure 1 As shown, the gas supply system 700 includes a gas cylinder 710, a delivery pipeline 720, and a delivery pump 730. The gas cylinder 710's gas connector is connected to the gas inlet of the tee pipe 610 via the delivery pipeline 720. The delivery pump 730 is mounted on the delivery pipeline 720 and is communicatively connected to the controller 900. Specifically, the gas cylinder 710 stores test gas, which is an inert gas such as helium.

[0047] During testing, the glove cuff is placed on the right end of the movable shaft 300, and then the cover 200 is pulled to the right, causing the movable shaft 300 to move to the left simultaneously. When the cover 200 is fully closed, the sensor 530 detects the signal block 540 and sends a signal to the controller 900. The controller 900 starts the delivery pump 730 and opens the first solenoid valve 640, allowing the first air passage 620 to inflate the airbag ring 520, thus clamping the glove cuff. After clamping, the first solenoid valve 640 is closed, and the second solenoid valve 650 is opened, allowing the second air passage 630 to inflate the glove through the flow channel 310. After inflating for a certain period, the second solenoid valve 650 is closed. After a certain period of stillness, the gas sensor 800 sends the collected data to the controller 900. If the gas sensor 800 detects an increase in the concentration of the test gas in the test chamber 110, it determines that the glove is leaking; and the higher the concentration, the more severe the leak. After the test is completed, start the recovery pump 690 and open the third solenoid valve 680 to recover the gas in the airbag ring 520 to the gas cylinder 710. At this time, the airbag ring 520 will no longer hold the glove. Push the cover door 200 to the left and the movable shaft 300 will move to the right to remove the glove.

[0048] Example 2

[0049] This embodiment is an improvement on Embodiment 1. Ball bearings 1000 are embedded in the upper and lower walls of the right side of the upper cavity 120, respectively. The ball bearings 1000 abut against the cover 200, such as... Figure 1 and Figure 3 As shown.

[0050] The 1000 ball bearings create rolling friction during the pushing and pulling of the cover 200, reducing the coefficient of friction and thus reducing wear on the cover 200.

[0051] Example 3

[0052] This embodiment is an improvement on Embodiment 1 or Embodiment 2, by adding a heating wire 1200 and a thermal imager 1300, such as... Figure 1 and Figure 6 As shown, the heating wire 1200 is spirally arranged on the inner wall of the flow channel 310, and the thermal imager 1300 is arranged on the side wall of the test chamber 110 and is communicatively connected to the controller 900. Specifically, the thermal imager 1300 is facing the glove.

[0053] By using the heating wire 1200 and the thermal imager 1300, the heating wire 1200 heats the test gas within the flow channel 310, while the thermal imager 1300 monitors the flow of the test gas inside the glove. A leak in the test gas will create a localized temperature anomaly zone, thus enabling precise location of the leak. It should be noted that the temperature of the test gas should not be too high to avoid affecting the quality of the glove.

[0054] In this application, the gas sensor 800 is responsible for determining whether there is a gas leak, and the thermal imager 1300 is responsible for locating the leak point. The two are compared and verified with each other, which further improves the reliability of the detection.

[0055] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A silicone glove leakage detection device, comprising a housing (100) and a cover (200), wherein the housing (100) has a test chamber (110) with an opening at the top, characterized in that: The inner wall of the test chamber (110) opening is provided with an annular groove (111), and the box body (100) is provided with an upper cavity (120) communicating with the annular groove (111). The edge of the cover (200) is embedded in the annular groove (111), and its left end extends into the upper cavity (120); it also includes: The movable shaft (300) is movably embedded in the slide groove (130) provided in the housing (100), and its right end extends into the test chamber (110); A synchronization component (400) is disposed inside the housing (100) and is used to drive the connection between the cover (200) and the movable shaft (300). A clamping assembly (500) is disposed on the side wall of the test chamber (110) and sleeved on the movable shaft (300). An air circuit system (600) is installed inside the housing (100), and its air outlet is connected to the flow channel (310) in the movable shaft (300) and the airbag ring (520) in the clamping assembly (500); An air supply system (700) is installed next to the housing (100), and its outlet is connected to the inlet of the air circuit system (600). A gas sensor (800) is disposed on the side wall of the test chamber (110) for detecting the concentration of the test gas; The controller (900) is mounted on the housing (100) and is connected to the gas system (600), the gas source system (700) and the gas sensor (800) respectively.

2. The silicone glove leakage detection device according to claim 1, characterized in that: The synchronization assembly (400) includes a mounting plate (410), an upper rack (420), a lower rack (430), an upper rotating shaft (440), a lower rotating shaft (450), a transmission assembly (460), an upper gear (470), and a lower gear (480). The mounting plate (410) is disposed within the upper cavity (120) and connected to the left end of the cover door (200). The upper rack (420) is disposed on the lower surface of the left side of the mounting plate (410), and the lower rack (430) is disposed on the lower surface of the left side of the mounting plate (410). At the upper left end of the moving shaft (300), the upper rotating shaft (440) and the lower rotating shaft (450) are arranged in parallel within the hollow cavity (140) inside the housing (100). The upper rotating shaft (440) is connected to the lower rotating shaft (450) through a transmission assembly (460). The upper gear (470) is fitted in the middle of the upper rotating shaft (440) and meshes with the upper rack (420). The lower gear (480) is fitted in the middle of the lower rotating shaft (450) and meshes with the lower rack (430).

3. The silicone glove leakage detection device according to claim 1, characterized in that: The clamping assembly (500) includes a sleeve (510) and an airbag ring (520). The sleeve (510) is disposed on the side wall of the test chamber (110) and sleeved on the movable shaft (300). The airbag ring (520) is disposed on the inner ring of the sleeve (510).

4. The silicone glove leakage detection device according to claim 1, characterized in that: The air circuit system (600) includes a three-way pipe (610), a first air circuit (620), a second air circuit (630), a first solenoid valve (640), and a second solenoid valve (650). The three-way pipe (610) is installed on the side wall of the housing (100). The air inlet of the three-way pipe (610) is connected to the air source system (700). The first air outlet of the three-way pipe (610) is connected to the air inlet of the airbag ring (520) through the first air circuit (620), and its second air outlet is connected to the flow channel (310) through the second air circuit (630). The first solenoid valve (640) is installed on the first air circuit (620), and the second solenoid valve (650) is installed on the second air circuit (630). Both the first solenoid valve (640) and the second solenoid valve (650) are communicatively connected to the controller (900).

5. The silicone glove leakage detection device according to claim 4, characterized in that: The air circuit system (600) further includes a third air circuit (660), a recovery pipeline (670), a third solenoid valve (680), and a recovery pump (690). One end of the third air circuit (660) is connected to the air outlet of the airbag ring (520), and the other end is connected to the air source system (700) through the recovery pipeline (670). The third solenoid valve (680) is installed on the third air circuit (660), and the recovery pump (690) is installed on the recovery pipeline (670). Both the third solenoid valve (680) and the recovery pump (690) are communicatively connected to the controller (900).

6. The silicone glove leakage detection device according to claim 4, characterized in that: The gas source system (700) includes a gas cylinder (710), a delivery pipeline (720) and a delivery pump (730). The gas cylinder (710) has its gas connector connected to the air inlet of a three-way pipe (610) through the delivery pipeline (720). The delivery pump (730) is installed on the delivery pipeline (720) and is communicatively connected to the controller (900).

7. The silicone glove leakage detection device according to claim 1, characterized in that: The upper and lower walls of the right side of the upper cavity (120) are respectively fitted with ball bearings (1000), and the ball bearings (1000) abut against the cover (200).

8. The silicone glove leakage detection device according to claim 1, characterized in that: A sealing ring (1100) is embedded in the bottom wall of the annular groove (111), and the sealing ring (1100) abuts against the lower surface of the cover (200).

9. The silicone glove leakage detection device according to claim 3, characterized in that: The clamping assembly (500) also includes a sensor (530) and a signal block (540). The sensor (530) is disposed on the inner ring of the sleeve (510) and located on the left side of the airbag ring (520). The signal block (540) is disposed on the right end of the movable shaft (300).

10. A silicone glove leakage detection device according to claim 1, characterized in that: It also includes a heating wire (1200) and a thermal imager (1300), the heating wire (1200) being spirally disposed on the inner wall of the flow channel (310), and the thermal imager (1300) being disposed on the side wall of the test chamber (110) and communicating with the controller (900).

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