CN110146229B - Leakage detection device for sintering metal and glass - Google Patents
Leakage detection device for sintering metal and glass Download PDFInfo
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- CN110146229B CN110146229B CN201910519382.1A CN201910519382A CN110146229B CN 110146229 B CN110146229 B CN 110146229B CN 201910519382 A CN201910519382 A CN 201910519382A CN 110146229 B CN110146229 B CN 110146229B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/083—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for tubes
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Abstract
The invention discloses a metal and glass sintered leakage detection device which comprises a bottom plate, wherein a base plate is fixedly connected at the center of the upper side of the bottom plate, a vertically arranged transparent tube is fixedly connected at the center of the upper side of the base plate, a positioning ring is fixedly connected at the upper end of the transparent tube, a support column is fixedly arranged above the bottom plate, a fixed cross beam is jointly supported at the upper ends of the two support columns, an electric telescopic rod is arranged at the center of the upper side of the cross beam, a transition block is fixedly connected at the telescopic end of the electric telescopic rod, the lower side of the transition block is fixedly connected with a detection block through a first spring, and a. The invention has the advantages that: the invention is suitable for the inspection after the sensor base is sintered, the mechanical mode is adopted to inspect the sensor base, if air leaks, air bubbles are generated, inspectors can clearly observe, the inspection precision is high, the speed is high, the semi-automatic inspection can be realized, the labor intensity is low, and the invention is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of metal and glass sintering detection, in particular to a metal and glass sintering leakage detection device.
Background
The sensor base is an important part in the sensor, and its quality affects the accuracy of the sensor, and the sensor base in the prior art is shown in fig. 4, and includes a base column 91, the base column 91 is provided with a mounting groove 92, the bottom of the inner side of the mounting groove 92 is provided with four mounting holes penetrating through the base column 91, and a lead 94 is hermetically connected in each mounting hole through a glass sleeve 93. The glass sleeve 93 and the lead 94 as well as the glass sleeve 93 and the mounting hole are connected through sintering, the sintering connection is carried out in a sintering furnace, whether the glass sleeve 93 is sealed after sintering is finished needs to be checked, and whether a light hole exists or not is confirmed by manually holding the sintered sensor base to look at light rays at present, so that the sintering quality is indirectly determined. The method has slow inspection speed and low precision, and some small curve holes cannot be seen.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a metal and glass sintered leakage detection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a metal and glass sintered leakage detection device comprises a bottom plate, wherein a substrate is fixedly connected to the center of the upper side of the bottom plate, a vertically arranged transparent tube is fixedly connected to the center of the upper side of the substrate, a positioning ring is fixedly connected to the upper end of the transparent tube, vertically arranged support columns are fixedly connected to two sides above the bottom plate, a fixed cross beam is jointly supported by the upper ends of the two support columns, an electric telescopic rod is arranged at the center of the upper side of the cross beam, the telescopic end of the electric telescopic rod is vertically and downwards arranged and penetrates through a central hole of the cross beam, a transition block is fixedly connected to the telescopic end of the electric telescopic rod, a detection block is fixedly connected to the lower side of the transition block through a first spring, a abdicating groove is formed in;
a group of grooves are uniformly formed in the upper side of the positioning ring, a central groove is formed in the bottom of the inner side of each groove, a piston is connected in each groove in a sliding fit mode, the upper end of each piston is fixedly connected with a piston rod, a second spring is fixedly connected between each piston and the bottom of the central groove, an air inlet pipe and an exhaust pipe penetrating through the positioning ring are arranged in each groove, an air inlet check valve is arranged on each air inlet pipe, an exhaust check valve is arranged on each exhaust pipe, and each exhaust pipe is connected with the connecting pipe through a hose;
the transition piece outside cup joints fixed mounting ring, and the collar downside all is equipped with a set of stand, the stand with the piston rod one-to-one sets up.
Preferably, the lower side of the detection block is provided with an annular groove, and a sealing ring is connected in the annular groove in an interference fit manner.
Preferably, each stand lower extreme all is equipped with the constant head tank, the constant head tank with the coaxial setting of piston rod one-to-one.
Preferably, the diameter of the positioning groove is larger than the diameter of the piston rod.
Preferably, a sliding hole is formed in the center of the lower side of the transition block, a sliding rod is fixedly connected to the center of the top of the detection block, the sliding rod penetrates through the center of the first spring, and the upper end of the sliding rod is inserted into the sliding hole and can slide up and down in the sliding hole.
The invention has the advantages that: the invention is suitable for the inspection after the sensor base is sintered, the mechanical mode is adopted to inspect the sensor base, if air leaks, air bubbles are generated, inspectors can clearly observe, the inspection precision is high, the speed is high, the semi-automatic inspection can be realized, the labor intensity is low, and the invention is suitable for popularization and use.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic diagram of the basic structure of a sensor base in the prior art;
fig. 5 is a schematic view of the state of use of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, the metal and glass sintered leakage detection device provided by the present invention comprises a bottom plate 1, a substrate 2 welded at the center of the upper side of the bottom plate 1, a transparent tube 3 vertically arranged fixedly connected at the center of the upper side of the substrate 2, a positioning ring 4 fixedly connected at the upper end of the transparent tube 3, and the inner aperture of the positioning ring 4 is larger than the inner diameter of the transparent tube 3.
The upper sides of the bottom plate 1 are fixedly connected with vertically arranged support columns 51, the upper ends of the two support columns 51 support and fix a cross beam 5 together, the center of the upper side of the cross beam 5 is provided with a center hole, the center of the upper side of the cross beam 5 is provided with an electric telescopic rod 52, the telescopic end of the electric telescopic rod 52 is vertically and downwards arranged and penetrates through the center hole of the cross beam 5, the telescopic end of the electric telescopic rod 52 is fixedly connected with a transition block 6, the transition block 6 is of a cylindrical structure, the lower side of the transition block 6 is fixedly connected with a detection block 8 through a first spring 71, the two ends of the first spring 71 are respectively welded and fixed with the lower,
the lower side of the detection block 8 is provided with a yielding groove 81, and the top of the detection block 8 is provided with a connecting pipe 83 communicated with the yielding groove 81.
The upside of holding ring 4 evenly is equipped with four recesses 41, and every recess 41 inboard bottom all is equipped with central groove 42, and equal sliding fit connects piston 43 in every recess 41, and the equal fixed connection piston rod 45 in every piston 43 upper end, equal fixed connection second spring 44 between every piston 43 and the central groove 42 bottom all be equipped with intake pipe 47 and the blast pipe 46 that runs through holding ring 4 in the recess 41, the check valve that admits air is equipped with on the intake pipe 47, the exhaust check valve is equipped with on the blast pipe 46, the blast pipe 46 pass through the hose with the connecting pipe 83 links to each other.
The center of the lower side of the transition block 6 is provided with a sliding hole 61, the center of the top of the detection block 8 is fixedly connected with a sliding rod 7, the sliding rod 7 passes through the center of the first spring 71, and the upper end of the sliding rod 7 is inserted into the sliding hole 61 and can slide up and down in the sliding hole 61. An annular groove 82 is formed in the lower side of the detection block 8, and a sealing ring is connected in the annular groove 82 in an interference fit mode. Can effectively prevent to detect through the sealing ring and leak gas between piece 8 and the holding ring 4 to influence detection effect.
When the metal-glass sintered leak detection device provided in this embodiment is used, as shown in fig. 5, soap water is put into a cavity formed by the transparent tube 3 and the positioning ring 4, the sensor base 9 is put into the positioning ring 4, the lower side of the sensor base 9 is contacted with the upper end surface of the transparent tube, in the actual use process, the inner aperture of the positioning ring 4 is 1mm larger than the outer diameter of the sensor base 9, after the positioning is finished, the electric telescopic rod 52 pushes the transition block 6 to descend, the detection block 8 also descends, when the lower surface of the detection block 8 is contacted with the upper surface of the sensor base 9, the upright post 63 is also contacted with the piston rod 45 through the positioning slot 64, the electric telescopic rod 52 continues to push the transition block 6 to descend, the transition block 6 compresses the first spring 71, the detection block 8 is fully contacted with the sensor base 9 under the action of the elastic force of the spring, and the sealing performance of the detection block is improved. At the same time, the column 63 also presses the piston rod 45 to descend, the piston rod 45 pushes the piston 43 to descend, the piston 43 compresses the spring and extrudes the air in the groove 41 out of the exhaust pipe 46 and conveys the air into the abdicating groove 81 through the hose, and if the sensor base 9 leaks air during sintering, bubbles are generated in the soapy water in the transparent pipe 3. After the examination is finished, the electric telescopic rod 52 lifts the transition block 6, the piston 43 is reset upwards under the action of the second spring 44, and air enters the groove 41 from the air inlet pipe 47 under the action of atmospheric pressure while the piston is reset. To prevent the piston 43 from coming out of the grooves 41, a stopper ring 48 is fixedly attached to the notch of each groove 41, and the piston rod 45 passes through the center of the stopper ring 48.
Claims (5)
1. The utility model provides a metal and glass sintered leakage detection device which characterized in that: comprises a bottom plate (1), a base plate (2) is fixedly connected at the center of the upper side of the bottom plate (1), a transparent tube (3) which is vertically arranged is fixedly connected at the center of the upper side of the base plate (2), the upper end of the transparent tube (3) is fixedly connected with a positioning ring (4), two vertically arranged supporting columns (51) are fixedly connected with two sides above the bottom plate (1), the upper ends of the two supporting columns (51) jointly support and fix the cross beam (5), the center of the upper side of the cross beam (5) is provided with an electric telescopic rod (52), the telescopic end of the electric telescopic rod (52) is vertically arranged downwards and penetrates through the central hole of the cross beam (5), a transition block (6) is fixedly connected with the telescopic end of the electric telescopic rod (52), the lower side of the transition block (6) is fixedly connected with a detection block (8) through a first spring (71), a abdicating groove (81) is arranged at the lower side of the detection block (8), the top of the detection block (8) is provided with a connecting pipe (83) communicated with the abdicating groove (81);
a group of grooves (41) are uniformly formed in the upper side of the positioning ring (4), a central groove (42) is formed in the bottom of the inner side of each groove (41), a piston (43) is connected in each groove (41) in a sliding fit mode, a piston rod (45) is fixedly connected to the upper end of each piston (43), a second spring (44) is fixedly connected between each piston (43) and the bottom of the central groove (42), an air inlet pipe (47) and an air outlet pipe (46) penetrating through the positioning ring (4) are arranged in each groove (41), an air inlet check valve is arranged on each air inlet pipe (47), an air outlet check valve is arranged on each air outlet pipe (46), and each air outlet pipe (46) is connected with the connecting pipe (83) through a hose;
transition piece (6) outside cup joints fixed mounting ring (62), and mounting ring (62) downside all is equipped with a set of stand (63), stand (63) with piston rod (45) one-to-one sets up.
2. A metal-to-glass sintered leak detection device as claimed in claim 1, wherein: an annular groove (82) is formed in the lower side of the detection block (8), and a sealing ring is connected in the annular groove (82) in an interference fit mode.
3. A metal-to-glass sintered leak detection device as claimed in claim 1, wherein: every stand (63) lower extreme all is equipped with constant head tank (64), constant head tank (64) with piston rod (45) one-to-one coaxial setting.
4. A metal and glass sintered leak detector as claimed in claim 3, wherein: the diameter of the positioning groove (64) is larger than that of the piston rod (45).
5. A metal-to-glass sintered leak detection device as claimed in claim 1, wherein: the transition block (6) is provided with a sliding hole (61) in the center of the lower side, the detection block (8) is fixedly connected with a sliding rod (7) in the center of the top, the sliding rod (7) penetrates through the center of the first spring (71), and the upper end of the sliding rod (7) is inserted into the sliding hole (61) and can slide up and down in the sliding hole (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519382.1A CN110146229B (en) | 2019-06-17 | 2019-06-17 | Leakage detection device for sintering metal and glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910519382.1A CN110146229B (en) | 2019-06-17 | 2019-06-17 | Leakage detection device for sintering metal and glass |
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| CN110146229A CN110146229A (en) | 2019-08-20 |
| CN110146229B true CN110146229B (en) | 2020-12-08 |
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| CN201910519382.1A Active CN110146229B (en) | 2019-06-17 | 2019-06-17 | Leakage detection device for sintering metal and glass |
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| CN114264424B (en) * | 2021-11-15 | 2024-07-19 | 江苏永鼎股份有限公司 | Preform sintering furnace tightness test tool and test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3904487C1 (en) * | 1989-02-15 | 1990-07-05 | Danfoss A/S, Nordborg, Dk | |
| JP3082370B2 (en) * | 1991-11-29 | 2000-08-28 | スズキ株式会社 | Pressure leak tester |
| JP5137511B2 (en) * | 2007-09-20 | 2013-02-06 | 理研計器株式会社 | Explosion-proof gas sensor |
| CN102933511B (en) * | 2010-06-30 | 2015-05-20 | 株式会社藤仓 | Reactor core tube inspection method and production method of parent metal for silica glass optical fibre |
| CN103868657B (en) * | 2014-03-25 | 2016-02-03 | 中信戴卡股份有限公司 | A kind of rotating wheel air tightness detection machine |
| CN206496868U (en) * | 2017-03-01 | 2017-09-15 | 重庆源山实业有限公司 | Oil filter device for detecting sealability |
| CN207095790U (en) * | 2017-07-20 | 2018-03-13 | 成都凯天电子股份有限公司 | Junction block sintered part air tightness checking device |
| CN109282949B (en) * | 2017-07-20 | 2024-01-12 | 成都凯天电子股份有限公司 | Special-shaped wire holder air tightness inspection device |
| CN208488221U (en) * | 2018-07-25 | 2019-02-12 | 蚌埠富源电子科技有限责任公司 | A kind of sensor base compression resistance leakage detection apparatus |
| CN109238595A (en) * | 2018-09-29 | 2019-01-18 | 柳圣池 | A kind of leakage testing device for oil-immersed power transformer oil tank |
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