CN214320949U - Airtight check out test set of case - Google Patents

Airtight check out test set of case Download PDF

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Publication number
CN214320949U
CN214320949U CN202022716085.7U CN202022716085U CN214320949U CN 214320949 U CN214320949 U CN 214320949U CN 202022716085 U CN202022716085 U CN 202022716085U CN 214320949 U CN214320949 U CN 214320949U
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China
Prior art keywords
valve core
detection
frame
valve
pressing
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CN202022716085.7U
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Chinese (zh)
Inventor
毛海东
汤志杰
袁方
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Wuxi Weifu Precision Machinery Manufacturing Co Ltd
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Wuxi Weifu Precision Machinery Manufacturing Co Ltd
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Abstract

The utility model relates to a case airtightness detection equipment belongs to core valve detection utensil, and it compresses tightly frock, touch-sensitive screen, airtight leak hunting appearance, digital display manometer, accurate air-vent valve, start button, frame, regulator cubicle including sealed, the frame includes workstation, frame and landing leg, sealed frock setting that compresses tightly is on the operation panel, touch-sensitive screen, airtight leak hunting appearance, digital display manometer and accurate air-vent valve setting just all are connected with the regulator cubicle through the circuit on the frame, the regulator cubicle sets up in the bottom side of frame, pneumatic button sets up in the bottom side of workstation. The utility model has the advantages of improved production efficiency; the detection equipment has an automatic gas path switching function, and can realize multi-gas path detection by one-time clamping; the detection equipment improves the detection precision, displays the leakage amount in real time and improves the product percent of pass; the detection equipment is simple and reliable in structure and convenient to maintain.

Description

Airtight check out test set of case
Technical Field
The utility model relates to a case airtight check out test set belongs to core valve detection utensil.
Background
1: the original device firstly places the valve core assembly in water and then injects compressed air into the valve core inlet for blowing detection, and a detection result can be observed only when bubbles appear in the water.
2: the original device has poor detection precision, can not display leakage numerical values, has long reaction time and is easy to generate misjudgment conditions.
3: the existing airtight side leakage device can only detect in a single way and cannot perform multi-way switching detection under the condition of one-time clamping.
4: the existing airtight side leakage device is complex in detection process, long in detection time and low in detection efficiency.
Disclosure of Invention
The utility model aims at providing a can automated inspection case subassembly, improve the detection precision, promote the equipment of product percent of pass.
According to the technical scheme of the utility model, valve core airtightness detection equipment comprises a sealing and pressing tool, a touch screen, an airtightness leak detector, a digital display pressure gauge, an accurate pressure regulating valve, a starting button, a frame and an electric cabinet, wherein the frame comprises a workbench, a frame and supporting legs, the sealing and pressing tool is arranged on the workbench, the touch screen, the airtightness leak detector, the digital display pressure gauge and the accurate pressure regulating valve are arranged on the frame and are all connected with the electric cabinet through lines, the electric cabinet is arranged at the bottom side of the frame, and the pneumatic button is arranged at the bottom side of the workbench;
the sealing and compressing tool comprises a bottom plate, a guide pillar, a movable plate, an upper fixed plate, a valve core pressing cylinder upright post, a pressing cylinder connecting block, a valve core pressing cylinder, a pressure sensor, a valve core pressing rod linear bearing, an upper grinder and a lower grinder, wherein the bottom plate is fixed with a workbench, the lower grinder is arranged on the bottom plate, the guide pillar is arranged between the bottom plate and the upper fixed plate, the movable plate is arranged on the guide pillar, the upper grinder is arranged at the bottom end of the movable plate, the upper portion of the movable plate is connected with the pressing cylinder connecting block through the valve core pressing cylinder upright post, the valve core pressing cylinder is fixed with the pressing cylinder connecting block, the pressing cylinder is fixed on the upper fixed plate, the pressure sensor is fixed with the valve core pressing cylinder, the valve core pressing rod is fixed with the pressure sensor, and the valve core pressing rod linear bearing is fixed with the pressing cylinder.
As a further improvement of the utility model, the airtight leak detector mainly comprises an LC103 type flow airtight leak detector main unit, a flow sensor, a direct pressure sensor, a D-SUB cable connector, a precise pressure regulating valve, a filter, a solenoid valve and a quick connector, and the airtight side leak detector is connected with an upper mill and a lower mill through a phi 6 air pipe respectively.
As a further improvement, the touch screen includes that the air cylinder that pushes down rises/descends, the case pushes down the manual page such as air cylinder that rises/descends, leak detector operation/stop and equipment original point position lamp, still includes that the last passageway gas circuit detects, the lower passageway gas circuit detects, three channel gas circuit detects, automatic start, automatic shutdown, production beat CT time, OK count, NG count, pressure sensor show, alarm interface, alarm reset and automatic interfaces such as alarm inquiry.
As a further improvement of the utility model, the movable plate is connected with the guide pillar through linear bearing.
The invention has the following advantages:
the production efficiency is improved.
The detection equipment has an automatic gas path switching function, and can realize multi-gas path detection by one-time clamping.
The detection equipment improves the detection precision, displays the leakage amount in real time and improves the product percent of pass.
Fourthly, the detection equipment has simple and reliable structure and convenient maintenance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a sealing and compressing tool.
Fig. 3 is a control schematic.
Description of reference numerals: 1-a valve core assembly, 2-a sealing and pressing tool, 3-a touch screen, 4-an airtight leak detector, 5-a digital display pressure gauge, 6-a precise pressure regulating valve (from left to right, 1, 2 and 3), 7-a starting button, 8-a frame, 8-1-a workbench, 8-2-a frame, 8-3-a supporting leg and 9-an electric cabinet;
2-1-bottom plate, 2-2-guide post, 2-3-linear bearing, 2-4-moving plate, 2-5-upper fixed plate, 2-6-valve core lower pressing cylinder upright post, 2-7-lower pressing cylinder connecting block, 2-8-valve core lower pressing cylinder, 2-9-lower pressing cylinder, 2-10-pressure sensor, 2-11-valve core pressure lever, 2-12-valve core pressure lever linear bearing, 2-13-upper grinding and 2-14-lower grinding.
Detailed Description
The invention will be further elucidated in the following in accordance with the drawings.
As shown in FIGS. 1-3, a valve core airtightness detection device comprises a sealing and pressing tool 2, a touch screen 3, an airtightness leak detector 4, a digital display pressure gauge 5, a precise pressure regulating valve 6, a starting button 7, a frame 8 and an electrical cabinet 9, wherein the frame 8 comprises a workbench 8-1, a frame 8-2 and support legs 8-3, the sealing and pressing tool 2 is arranged on the workbench 8-1, the touch screen 3, the airtightness leak detector 4, the digital display pressure gauge 5 and the precise pressure regulating valve 6 are arranged on the frame 8-2 and are all connected with the electrical cabinet 9 through a circuit, the electrical cabinet 9 is arranged at the bottom side of the workbench 8-1, the starting button 7 is arranged at the bottom side of the workbench 8-1, the sealing and pressing tool 2, the touch screen 3, the airtightness leak detector 4, the digital display pressure gauge 5, the precise pressure regulating valve 6, the electrical cabinet 9 and the like are all connected with an external PLC through circuits, working through the instruction of a PLC controller;
the sealing and pressing tool 2 comprises a bottom plate 2-1, guide pillars 2-2, a moving plate 2-4, an upper fixing plate 2-5, a valve core pressing cylinder upright post 2-6, a pressing cylinder connecting block 2-7, a valve core pressing cylinder 2-8, a pressing cylinder 2-9, a pressure sensor 2-10, a valve core pressing rod 2-11, a valve core pressing rod linear bearing 2-12, an upper mill 2-13 and a lower mill 2-14, wherein the bottom plate 2-1 is fixed with a workbench 8-1, the bottom plate 2-1 is provided with the lower mill 2-14, the guide pillars 2-3 are arranged between the bottom plate 2-1 and the upper fixing plate 2-5, the moving plate 2-4 is arranged on the guide pillars 2-2, the bottom end of the moving plate 2-4 is provided with the upper mill 2-13, the upper part of the moving plate 2-4 is connected with a lower air cylinder connecting block 2-7 through a valve core lower air cylinder upright column 2-6, the valve core lower air cylinder 2-8 is fixed with the lower air cylinder connecting block 2-7, the lower air cylinder 2-9 is fixed on an upper fixing plate 2-5, the pressure sensor 2-10 is fixed with the valve core lower air cylinder 2-8, the valve core pressure lever 2-11 is fixed with the pressure sensor 2-10, and the valve core pressure lever linear bearing 2-12 is fixed with the lower air cylinder 2-9.
The airtight leakage detector 4 comprises an LC103 type flow airtight leakage detector host, a flow sensor, a direct pressure sensor, a D-SUB cable connector, a precise pressure regulating valve, a filter, an electromagnetic valve and a quick connector, the airtight side leakage detector 4 is respectively connected with an upper mill 2-13 and a lower mill 2-14 through phi 6 air pipes, and the upper mill 2-13 and the lower mill 2-14 are respectively provided with fixed corresponding air pipe connectors.
Compressed air adjusted by the No. 1 precision pressure adjusting valve is introduced into an air tightness detector through program control, and the air tightness detector fills the compressed air into the upper mill 2-13; compressed air regulated by the No. 2 precision pressure regulating valve and the No. 3 precision pressure regulating valve is respectively introduced into the air tightness detector through program control, and the air tightness detector fills the compressed air into the lower mill 2-14.
The touch screen 3 comprises manual pages such as a down cylinder ascending/descending, a valve core down cylinder ascending/descending, a leak detector running/stopping and an equipment original point position lamp, and also comprises automatic interfaces such as an upper channel gas circuit detection, a lower channel gas circuit detection, a three-channel gas circuit detection, an automatic start, an automatic stop, a production beat CT time, an OK count, an NG count, a pressure sensor display, an alarm interface, an alarm reset, an alarm query and the like.
The moving plate 2-4 is connected with the guide post 2-2 through a linear bearing 2-3.
A valve core air tightness detection method is suitable for valve core air tightness detection equipment and comprises the following steps:
1) the upper channel gas path detection steps are as follows
S1-1: opening an electrical cabinet 9 to start the equipment, adjusting three precise pressure adjusting valves 6 until a digital display pressure gauge 5 displays a pressure value required to be set, starting an airtight leakage detector 4, setting parameters such as corresponding leakage amount and the like, and selecting an upper channel gas path by a touch screen 3 to detect and click an automatic start button;
s1-2: the valve core assembly 1 is placed into a sealing and pressing tool 2, a starting button 7 is pressed by two hands, a lower air cylinder 2-9 extends out, a moving plate 2-4 and an upper mill 2-13 move downwards, after the lower mill 2-13 is in sealing fit with the upper mill 2-14, the lower air cylinder 2-9 is in place, a valve core lower air cylinder 2-8 extends out and drives a pressure sensor 2-10 and a valve core pressure lever 2-11 to move downwards, and after the valve core pressure lever 2-11 is in fit with the valve core assembly 1, an airtight side leakage instrument 4 conducts ventilation detection;
s1-3, starting the airtight leakage detector 4, automatically introducing compressed air regulated by the first precision pressure regulating valve into the airtight leakage detector 4 by the equipment, then inflating, maintaining pressure and testing the valve core assembly 1 by the airtight side leakage detector 4 through the joint of the upper mill 2-13, automatically comparing a to-be-tested result with a set parameter, displaying OK or NG after the measurement program of the airtight leakage detector 4 is finished, and exhausting the internal compressed air, thus completing the detection of the airtight side leakage detector;
s1-4: after detection is finished, the pressing cylinder 2-9 drives the sealing and pressing tool 2 to be lifted, after the pressing cylinder 2-9 and the valve core pressing cylinder 2-8 rise to the right position, the valve core assembly 1 is manually taken out and placed in an ok or NG tray, the other valve core assembly 1 is manually taken out, the starting button 7 is pressed by two hands, and the pressing detection actions are repeated.
2) The lower channel gas path detection steps are as follows:
s2-1: opening an electrical cabinet 9 to start the equipment, adjusting three precise pressure adjusting valves 6 until a digital display pressure gauge 5 displays a pressure value required to be set, starting an airtight leakage detector 4, setting parameters such as corresponding leakage amount and the like, and selecting a lower channel gas path by a touch screen 3 to detect and click an automatic start button;
s2-2: the valve core assembly 1 is placed into a sealing and pressing tool 2, a starting button 7 is pressed by two hands, a lower air cylinder 2-9 extends out, a moving plate 2-4 and an upper mill 2-13 move downwards, after the lower mill 2-13 is in sealing fit with the upper mill 2-14, the lower air cylinder 2-9 is in place, a valve core lower air cylinder 2-8 extends out and drives a pressure sensor 2-10 and a valve core pressure lever 2-11 to move downwards, and after the valve core pressure lever 2-11 is in fit with the valve core assembly 1, an airtight side leakage instrument 4 conducts ventilation detection;
s2-3, starting the airtight leakage detector 4, automatically introducing compressed air regulated by a second precision pressure regulating valve into the airtight leakage detector 4 by equipment, then inflating, maintaining pressure and testing the valve core assembly 1 through a joint of the lower mill 2-14 by the airtight leakage detector 4, automatically comparing a to-be-tested result with a set parameter, displaying OK or NG after the measurement program of the airtight leakage detector 4 is finished, and exhausting the internal compressed air, thus completing the detection of the airtight leakage detector;
s2-4: after detection is finished, the pressing cylinder 2-9 drives the sealing and pressing tool 2 to be lifted, after the pressing cylinder 2-9 and the valve core pressing cylinder 2-8 rise to the right position, the valve core assembly 1 is manually taken out and placed in an ok or NG tray, the other valve core assembly 1 is manually taken out, the starting button 7 is pressed by two hands, and the pressing detection actions are repeated.
3) The three-channel gas path detection steps are as follows:
s3-1: opening an electric cabinet 9 to start the equipment, adjusting three precise pressure adjusting valves 6 until a digital display pressure gauge 5 displays a pressure value required to be set, starting an airtight leak detector 4, setting parameters such as corresponding leakage amount and the like, and selecting three channels and gas paths to detect and click an automatic start button by a touch screen 3;
s3-2: the valve core assembly 1 is placed into a sealing and pressing tool 2, a starting button 7 is pressed by two hands, a lower air cylinder 2-9 extends out, a moving plate 2-4 and an upper mill 2-13 move downwards, after the lower mill 2-13 is in sealing fit with the upper mill 2-14, the lower air cylinder 2-9 is in place, a valve core lower air cylinder 2-8 extends out and drives a pressure sensor 2-10 and a valve core pressure lever 2-11 to move downwards, and after the valve core pressure lever 2-11 is in fit with the valve core assembly 1, an airtight side leakage instrument 4 conducts ventilation detection;
s3-3, starting the airtight leakage detector 4, leading compressed air adjusted by the first precise pressure regulating valve into the airtight leakage detector 4 automatically by the equipment, leading the airtight side leakage detector 4 to carry out inflation, pressure maintaining and testing on the valve core assembly 1 through the joints of the upper mill 2-13 and the lower mill 2-14, automatically comparing a tested result with a set parameter, displaying OK or NG after the measuring program of the airtight leakage detector 4 is finished, emptying the internal compressed air, leading the second/third precise pressure regulating valve 5 into the second/third precise pressure regulating valve 5 automatically by the equipment after emptying, and then detecting the valve core assembly 1 until the detection of the three-channel air circuit assembly is finished;
s3-4: after detection is finished, the pressing cylinder 2-9 drives the sealing and pressing tool 2 to be lifted, after the pressing cylinder 2-9 and the valve core pressing cylinder 2-8 rise to the right position, the valve core assembly 1 is manually taken out and placed in an ok or NG tray, the other valve core assembly 1 is manually taken out, the starting button 7 is pressed by two hands, and the pressing detection actions are repeated.
The utility model has the advantages of improved production efficiency; the detection equipment has an automatic gas path switching function, and can realize multi-gas path detection by one-time clamping; the detection equipment improves the detection precision, displays the leakage amount in real time and improves the product percent of pass; the detection equipment is simple and reliable in structure and convenient to maintain.

Claims (4)

1. A valve core airtightness detection device is characterized by comprising a sealing and pressing tool (2), a touch screen (3), an airtightness leak detector (4), a digital display pressure gauge (5), a precise pressure regulating valve (6), a starting button (7), a frame (8) and an electric cabinet (9), the frame (8) comprises a workbench (8-1), a frame (8-2) and supporting legs (8-3), the sealing and pressing tool (2) is arranged on the workbench (8-1), the touch screen (3), the air tightness leak detector (4), the digital display pressure gauge (5) and the precise pressure regulating valve (6) are arranged on the frame (8-2) and are connected with the electric cabinet (9) through lines, the electrical cabinet (9) is arranged at the bottom side of the operating platform (8-1), and the starting button (7) is arranged at the bottom side of the operating platform (8-1);
the sealing and pressing tool (2) comprises a bottom plate (2-1), a guide pillar (2-2), a moving plate (2-4), an upper fixing plate (2-5), a valve core pressing cylinder upright post (2-6), a pressing cylinder connecting block (2-7), a valve core pressing cylinder (2-8), a pressing cylinder (2-9), a pressure sensor (2-10), a valve core pressing rod (2-11), a valve core pressing rod linear bearing (2-12), an upper mill (2-13) and a lower mill (2-14), wherein the bottom plate (2-1) is fixed with a workbench (8-1), the lower mill (2-14) is arranged on the bottom plate (2-1), the guide pillar (2-2) is arranged between the bottom plate (2-1) and the upper fixing plate (2-5), the movable plate (2-4) is arranged on the guide pillar (2-2), the bottom end of the movable plate (2-4) is provided with an upper grinder (2-13), the upper portion of the movable plate (2-4) is connected with a lower air cylinder connecting block (2-7) through a valve core lower air cylinder upright post (2-6), the valve core lower air cylinder (2-8) is fixed with the lower air cylinder connecting block (2-7), the lower air cylinder (2-9) is fixed on an upper fixing plate (2-5), the pressure sensor (2-10) is fixed with the valve core lower air cylinder (2-8), the valve core pressure lever (2-11) is fixed with the pressure sensor (2-10), and a linear bearing (2-12) of the valve core pressure lever is fixed with the lower air cylinder (2-9).
2. The valve core airtightness detection apparatus according to claim 1, wherein the airtightness leak detector (4) comprises an LC103 type flow airtightness leak detector main body, a flow sensor, a direct pressure sensor, a D-SUB cable connector, a precision pressure regulating valve, a filter, an electromagnetic valve, and a quick-connect plug, and the airtightness leak detector (4) is connected to the upper mill and the lower mill through phi 6 air pipes, respectively.
3. The valve element airtightness detection apparatus according to claim 1, wherein the touch panel (3) includes a push-down cylinder up/down, a valve element push-down cylinder up/down, a leak detector operation/stop, and an apparatus origin position lamp manual page, and further includes an upper channel gas circuit detection, a lower channel gas circuit detection, a three-channel gas circuit detection, an automatic start, an automatic stop, a tact CT time, an OK count, an NG count, a pressure sensor display, an alarm interface, an alarm reset, and an alarm query automatic interface.
4. The cartridge airtightness detection apparatus according to claim 1, wherein the moving plate (2-4) is connected to the guide post (2-2) through a linear bearing (2-3).
CN202022716085.7U 2020-11-20 2020-11-20 Airtight check out test set of case Active CN214320949U (en)

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Application Number Priority Date Filing Date Title
CN202022716085.7U CN214320949U (en) 2020-11-20 2020-11-20 Airtight check out test set of case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022716085.7U CN214320949U (en) 2020-11-20 2020-11-20 Airtight check out test set of case

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114323486A (en) * 2021-12-08 2022-04-12 重庆铁马工业集团有限公司 Method for rapidly detecting high-pressure micro-leakage of accumulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114323486A (en) * 2021-12-08 2022-04-12 重庆铁马工业集团有限公司 Method for rapidly detecting high-pressure micro-leakage of accumulator
CN114323486B (en) * 2021-12-08 2023-05-23 重庆铁马工业集团有限公司 Rapid detection method for high-pressure micro-leakage of accumulator

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Address after: No. 202, Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000

Patentee after: Wuxi Weifu Precision Machinery Manufacturing Co.,Ltd.

Country or region after: China

Address before: No. 202, Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province

Patentee before: Wuxi Weifu Precision Machinery Manufacturing Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address