CN104062078A - Quick-vacuum-pumping negative-pressure dry type leakage detecting device - Google Patents
Quick-vacuum-pumping negative-pressure dry type leakage detecting device Download PDFInfo
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- CN104062078A CN104062078A CN201410320905.7A CN201410320905A CN104062078A CN 104062078 A CN104062078 A CN 104062078A CN 201410320905 A CN201410320905 A CN 201410320905A CN 104062078 A CN104062078 A CN 104062078A
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Abstract
The invention discloses a quick-vacuum-pumping negative-pressure dry type leakage detecting device. The quick-vacuum-pumping negative-pressure dry type leakage detecting device comprises a device body, a clamp assembly, a plugging assembly and a leakage detector, and further comprises a touch screen, wherein the clamping assembly is used for fixing a workpiece, the plugging assembly is used for sealing a vent hole of the workpiece, the leakage detector is used for detecting airtightness performance of the workpiece, the touch screen and the leakage detector are arranged in the device body, one end of the leakage detector is communicated with a vacuum pump through an air pipe, the other end of the leakage detector is communicated with the vent hole in the workpiece through the plugging assembly, the device body comprises a base plate and a cavity, the clamp assembly and the plugging assembly are arranged in the cavity, the plugging assembly comprises a plug, the plug is in sealing fit with the vent hole of the workpiece, a positioning block is arranged on the base plate, and the workpiece is arranged at a preset position on the base plate through the positioning block. Because the outward-expansion plug and the universal clamp assembly are adopted for the quick-vacuum-pumping negative-pressure dry type leakage detecting device, a bypass pipeline system is additionally arranged on the quick-vacuum-pumping negative-pressure dry type leakage detecting device, the quick-vacuum-pumping negative-pressure dry type leakage detecting device has the advantages of being high in production efficiency and utilization rate of equipment, and large in vacuum pumping rate of vacuum leakage detection.
Description
Technical field
The present invention relates to a kind of leak test plant, relate in particular to a kind of suction type dry leak-detecting apparatus of taking out soon.
Background technology
Leak detection is sometimes also referred to as sealing leak detection, the sealing property that is mainly used in testing parts.Many parts and assembly in automobile, if the engine in the gray iron in parts, nearly exhaust manifold and assembly, heating radiator, water pump etc. are in manufacturing process, all using leak detection as a very important link, and in production line, be provided with special detection operation its quality is controlled.
Conventional leak detection mode is the dry type leak detection mode of direct press type at present.Dry leak-detecting apparatus is general form cavity body structure, is about to all fixtures and puts into cavity, the laggard line operate of the circuit on jockey and gas circuit.When changing fixture, need to be again the circuit on fixture and gas circuit be inserted in cavity on corresponding socket.
As Chinese patent CN102087162A discloses a kind of dry leak testing machine, comprise upper and lower workstation, leak locator, cylinder and snorkel and seal plug.In workpiece to be detected, pass into after gas, according to the size of leaking instrument air pressure, determine whether gas leakage.Although this pick-up unit simple, intuitive, after each product is detected, all needs to change dry inspection fixture.And because dry inspection fixture seal plug adopts internal-expansion type silently to carry out shutoff, connecting line is long and diameter is little.Therefore, detection time is longer, and efficiency is low, can not meet client's working condition requirement completely.
Therefore, when those skilled in the art are devoted to study a kind of product leak detection process replacing product always, do not need to change dry inspection fixture, and the high leak test plant of work efficiency.
Summary of the invention
Because the above-mentioned defect of prior art, the invention provides a kind of while changing product without the leak test plant of changing dry inspection fixture.
Another object of the present invention, is to provide a kind of extracting vacuum fast, leak test plant that work efficiency is high.
For achieving the above object, the invention provides a kind of suction type dry leak-detecting apparatus of taking out soon, comprise apparatus body, for the clamp assembly of fixation workpiece, the blocking component for workpiece air hole is sealed, touch-screen and for detection of air tightness of workpiece can leak locator, described touch-screen and described leak locator are arranged in described apparatus body; One end of described leak locator is connected with vacuum pump by snorkel, and the other end is connected with the air hole on described workpiece by described blocking component; Described apparatus body comprises base plate and cavity, and described clamp assembly and described blocking component are arranged in described cavity; Described blocking component comprises block head, and described block head and workpiece air hole are sealed and matched; On described base plate, be provided with locating piece, described workpiece is arranged at the precalculated position on described base plate by described locating piece.
Further, described clamp assembly comprises cylinder, and described workpiece is fixed on described base plate by described cylinder applied pressure.
Further, described clamp assembly also comprises guide plate and the axis of guide for leading.
Further, described clamp assembly also comprises pressing plate, and described pressing plate is arranged at one end that described clamp assembly contacts with described workpiece.
Further, described block head is outer expanding block head.
Further, also comprise vacuum bypass line system, described vacuum bypass line system is the vacuum passage being arranged between described workpiece and vacuum pump.
Further, described vacuum bypass conduit system be also provided with for open or closed described vacuum passage in the operation valve of air-flow.
Beneficial effect of the present invention:
The suction type dry leak-detecting apparatus of taking out soon of the present invention, due to the similar product classification of size is detected, has shortened while changing the required beam worker of product; Owing to adopting universal fixturing assembly, while changing product, do not need to change clamp assembly, saved the time of changing dry inspection fixture, improved the utilization factor of production efficiency and equipment; Internal-expansion type plug has shortened vacuum leak hunting and has taken out the pressure time, has improved work efficiency.
In addition, owing to setting up bypass line system, increase the diameter of bypass line snorkel, improved vacuum leak hunting and taken out pressure speed, shortened the negative pressure leak detection time, further improved work efficiency; Bypass line system can also reduce the pressure error causing due to pressure-drop in pipeline, simulates better client's operating mode.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Accompanying drawing explanation
Fig. 1 is the present embodiment dry leak-detecting apparatus perspective view;
Fig. 2 is the main TV structure schematic diagram of Fig. 1;
Fig. 3 is the present embodiment blocking component perspective view;
Fig. 4 is Fig. 3 side-looking structural representation;
Fig. 5 is vacuum bypass line system syndeton schematic diagram.
In figure: workpiece 1, locating piece 2, base plate 3, clamp assembly 4, pressing plate 41, guide plate 42, the axis of guide 43, cylinder 44, blocking component 5, block head 51, slide block guide rail 52, push rod 53, stroke cylinder 54, outer flatulence cylinder 55, supporting seat 56, apparatus body 6, leak locator 7, touch-screen 8, cavity 9.
Embodiment
As shown in Figures 1 to 4, the present embodiment has proposed a kind of suction type dry leak-detecting apparatus of taking out soon, comprise apparatus body 6, for the clamp assembly 4 of fixation workpiece, for blocking component 5 that workpiece air hole is sealed, for selecting the touch-screen 8 of workpiece model and for detection of the leak locator 7 of workpiece 1 air-tightness.Clamp assembly 4, blocking component 5, touch-screen 8 and leak locator 7 are arranged in apparatus body.
Apparatus body comprises base plate 3 and a plurality of cavity 9, is provided with locating piece 2 on base plate 3, and workpiece 1 is arranged at the precalculated position on base plate 3 by locating piece 2.
Leak locator 7 is arranged at the top of cavity, with the corresponding setting of cavity in apparatus body, places the product of different model in different cavitys.One end of leak locator 7 is connected with vacuum pump (not shown) by snorkel, and the other end is connected with the air hole of workpiece 1 by blocking component 5.
The upper end of clamp assembly 4 is fixedly installed in the cavity of apparatus body, is positioned at the top of workpiece 1.Clamp assembly 4 comprise cylinder 44 and be connected with cylinder, guide plate 42 and the axis of guide 43 for leading.When workpiece 1 is positioned over after preposition, by touch-screen, select the workpiece that will detect, gas circuit, the circuit relevant to this cavity are switched on, and clamp assembly 4 is to the motion of workpiece place direction, until workpiece pressing.
In order to increase the contact area of clamp assembly and workpiece, fixation workpiece better, the side contacting with workpiece 1 at clamp assembly 4 is also provided with pressing plate 41.
Blocking component 5 comprises supporting seat 56, push rod 53, stroke cylinder 54, outer flatulence cylinder 55, block head 51 and slide block guide rail 52, and push rod 53 is arranged in stroke cylinder 54 and outer flatulence cylinder 55.Block head 51 is arranged at the bottom of push rod, and block head 51 is outer expanding block head, and block head 51 is sheathed on the outside of workpiece 1 air hole.Owing to adopting outer expanding block head, the diameter of snorkel increases relatively, has shortened vacuum leak hunting and has taken out the pressure time, has improved work efficiency.
The concrete applicable cases of taking out soon suction type dry leak-detecting apparatus of the present embodiment is as follows: first product is sorted out, the similar product that physical dimension is approached is classified as a class; Then according to the size of product, select corresponding blocking component, and blocking component is installed on respectively to the precalculated position of cavity; By touch-screen, select the workpiece that will detect; The descending workpiece pressing of clamp assembly, outer flatulence cylinder comes downwards to workpiece air hole by slide block guide rail 52, is tightly connected with air hole; In workpiece, air is extracted out by vacuum pump, leak locator work.Detect and finish, if Work piece sealing is functional, rush malleation, outer flatulence cylinder 55 returns along push rod, and block head 51 departs from workpiece snorkel, and clamp assembly 4 returns; If sealing property has problem, need manually to operate and take off workpiece, thereby certified products and unacceptable product are separated.
As to further improvement of this embodiment, as shown in Figure 5, equipment of the present invention is also provided with vacuum bypass line system, between vacuum pump 14 and workpiece, sets up and puts a vacuum passage d, by vacuum passage d, the gas in workpiece is extracted out.For ease of the timely control to bypass line, on this passage, be provided with for open or closed vacuum passage in the operation valve 13 of air-flow.
The diameter of the existing snorkel a being connected with vacuum pump 14 is 2 inches, and the diameter of the snorkel b joining with the other end of hand valve 15 is 1.5 inches, and the diameter that is connected in the snorkel c of leak locator 7 both sides is only 8mm.Owing to having additional bypass line system, during air in extracting workpiece, can directly by this bypath system d, be undertaken, after vacuum tightness meets the demands, closed control valve 13, leak locator detects.Meanwhile, the pipeline of this bypass line is not subject to the restriction of 7 pairs of snorkel diameters of original leak locator, can increase the diameter of bypass line snorkel.Such as existing negative pressure line being connected to workpiece, with the snorkel c of 8mm, be replaced by the snorkel d of 1 inch, improved vacuum leak hunting and taken out pressure speed, shortened the negative pressure leak detection time, further improved work efficiency.
Set up bypass line system and can also reduce the pressure error causing due to pressure-drop in pipeline, simulate better client's operating mode.
The suction type dry leak-detecting apparatus of taking out soon of the present invention, owing to being provided with a plurality of cavitys in equipment, the left and right sides in cavity is all provided with blocking component.After product is sorted out, can place it in different cavitys according to the size of product, during detection, only need select the workpiece in respective cavities by touch-screen.And while changing workpiece without changing dry inspection fixture, thereby greatly shortened while changing the required beam worker of product, saved the time of changing dry inspection fixture, improved the utilization factor of production efficiency and equipment.
Meanwhile, owing to adopting outer expanding plug to replace existing internal-expansion type plug, expand the diameter of snorkel, shortened vacuum leak hunting and taken out the pressure time, improved work efficiency.
Meanwhile, set up bypass line system, can increase the diameter of bypass line snorkel, improved vacuum leak hunting and taken out pressure speed, shortened the negative pressure leak detection time, further improved work efficiency; Bypass line system can also reduce the pressure error causing due to pressure-drop in pipeline, simulates better client's operating mode.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just can design according to the present invention make many modifications and variations without creative work.Therefore, all technician in the art, all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (7)
1. take out soon suction type dry leak-detecting apparatus for one kind, comprise apparatus body, for the clamp assembly of fixation workpiece, for blocking component that workpiece air hole is sealed and for detection of air tightness of workpiece can leak locator, it is characterized in that, also comprise touch-screen, described touch-screen and described leak locator are arranged in described apparatus body; Described leak locator one end is connected with vacuum pump by snorkel, and the other end is connected with the air hole on described workpiece by described blocking component; Described apparatus body comprises base plate and cavity, and described clamp assembly and described blocking component are arranged in described cavity; Described blocking component comprises block head, and the described air hole on described block head and described workpiece is sealed and matched; On described base plate, be provided with locating piece, described workpiece is arranged at the precalculated position on described base plate by described locating piece.
2. the suction type dry leak-detecting apparatus of taking out soon as claimed in claim 1, is characterized in that, described clamp assembly comprises cylinder, and described workpiece is fixed on described base plate by described cylinder applied pressure.
3. the suction type dry leak-detecting apparatus of taking out soon as claimed in claim 2, is characterized in that, described clamp assembly also comprises guide plate and the axis of guide for leading.
4. the suction type dry leak-detecting apparatus of taking out soon as claimed in claim 3, is characterized in that, described clamp assembly also comprises pressing plate, and described pressing plate is arranged at one end that described clamp assembly contacts with described workpiece.
5. the suction type dry leak-detecting apparatus of taking out soon as claimed in claim 1, is characterized in that, described block head is outer expanding block head.
6. the suction type dry leak-detecting apparatus of taking out soon as claimed in claim 1, is characterized in that, also comprises vacuum bypass line system, and described vacuum bypass line system is the vacuum passage being arranged between described workpiece and vacuum pump.
7. the suction type dry leak-detecting apparatus of taking out soon as claimed in claim 6, is characterized in that, described vacuum bypass conduit system be also provided with for open or closed described vacuum passage in the operation valve of air-flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320905.7A CN104062078A (en) | 2014-07-04 | 2014-07-04 | Quick-vacuum-pumping negative-pressure dry type leakage detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410320905.7A CN104062078A (en) | 2014-07-04 | 2014-07-04 | Quick-vacuum-pumping negative-pressure dry type leakage detecting device |
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| CN104062078A true CN104062078A (en) | 2014-09-24 |
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| CN201410320905.7A Pending CN104062078A (en) | 2014-07-04 | 2014-07-04 | Quick-vacuum-pumping negative-pressure dry type leakage detecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226005A (en) * | 2016-07-22 | 2016-12-14 | 成都秦川科技发展有限公司 | Gas meter, flow meter valve gap, seat leakage detection device |
| CN108927744A (en) * | 2017-05-26 | 2018-12-04 | 科华控股股份有限公司 | A kind of booster intermediate body leak detection can predict the air-actuated jaw of plug neglected loading simultaneously |
| CN109612638A (en) * | 2019-01-12 | 2019-04-12 | 江苏阳铭互联智能系统有限公司 | A kind of air tightness detection apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03211435A (en) * | 1990-01-16 | 1991-09-17 | Kurimoto Ltd | Device and method for testing airtightness of screw hole of semicylinder body |
| JPH1038745A (en) * | 1996-07-23 | 1998-02-13 | Umeoka Radiator Kogyosho:Kk | Leak tester for radiator and control board therefor |
| CN2842146Y (en) * | 2005-10-20 | 2006-11-29 | 孔莎 | Plug in the pipeline |
| CN101975647A (en) * | 2010-11-04 | 2011-02-16 | 上海贝洱热系统有限公司 | Radiator leakage comprehensive test bed and method |
| CN201795902U (en) * | 2010-07-15 | 2011-04-13 | 天津滨海约翰汽车零件有限公司 | Tightness tester for water pump casing of automobile |
| CN203949762U (en) * | 2014-07-04 | 2014-11-19 | 上海贝洱热系统有限公司 | Take out soon suction type dry leak-detecting apparatus |
-
2014
- 2014-07-04 CN CN201410320905.7A patent/CN104062078A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03211435A (en) * | 1990-01-16 | 1991-09-17 | Kurimoto Ltd | Device and method for testing airtightness of screw hole of semicylinder body |
| JPH1038745A (en) * | 1996-07-23 | 1998-02-13 | Umeoka Radiator Kogyosho:Kk | Leak tester for radiator and control board therefor |
| CN2842146Y (en) * | 2005-10-20 | 2006-11-29 | 孔莎 | Plug in the pipeline |
| CN201795902U (en) * | 2010-07-15 | 2011-04-13 | 天津滨海约翰汽车零件有限公司 | Tightness tester for water pump casing of automobile |
| CN101975647A (en) * | 2010-11-04 | 2011-02-16 | 上海贝洱热系统有限公司 | Radiator leakage comprehensive test bed and method |
| CN203949762U (en) * | 2014-07-04 | 2014-11-19 | 上海贝洱热系统有限公司 | Take out soon suction type dry leak-detecting apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226005A (en) * | 2016-07-22 | 2016-12-14 | 成都秦川科技发展有限公司 | Gas meter, flow meter valve gap, seat leakage detection device |
| CN108927744A (en) * | 2017-05-26 | 2018-12-04 | 科华控股股份有限公司 | A kind of booster intermediate body leak detection can predict the air-actuated jaw of plug neglected loading simultaneously |
| CN109612638A (en) * | 2019-01-12 | 2019-04-12 | 江苏阳铭互联智能系统有限公司 | A kind of air tightness detection apparatus |
| CN109612638B (en) * | 2019-01-12 | 2023-12-12 | 江苏阳铭互联智能系统有限公司 | Airtight detection device |
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Application publication date: 20140924 |