CN203224338U - Apparatus for detecting seal performance of weldment - Google Patents

Apparatus for detecting seal performance of weldment Download PDF

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Publication number
CN203224338U
CN203224338U CN 201320228240 CN201320228240U CN203224338U CN 203224338 U CN203224338 U CN 203224338U CN 201320228240 CN201320228240 CN 201320228240 CN 201320228240 U CN201320228240 U CN 201320228240U CN 203224338 U CN203224338 U CN 203224338U
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CN
China
Prior art keywords
vacuum chamber
detection
cover
sealing property
liquid
Prior art date
Application number
CN 201320228240
Other languages
Chinese (zh)
Inventor
胡明安
王斌
Original Assignee
上海聚东新能源科技有限公司
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Priority to CN 201320228240 priority Critical patent/CN203224338U/en
Application granted granted Critical
Publication of CN203224338U publication Critical patent/CN203224338U/en

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Abstract

The utility model discloses an apparatus for detecting the seal performance of a weldment. The apparatus is characterized by comprising a vacuum chamber, a vacuum pump, a controller and a liftable workpiece carrier, wherein the vacuum chamber includes a container and a top cover made of transparent material and arranged on the top of the container; the vacuum chamber is filled with observation liquid; the vacuum pump is used for vacuumizing the vacuum chamber; the controller is used for controlling the operation of the vacuum pump; the controller includes a switch and a vacuumizing delay circuit electrically connected with the switch, and the vacuumizing delay circuit is electrically connected with the vacuum pump; the liftable workpiece carrier is arranged in the vacuum chamber; and when the carrier is lowered, the carrier and a workpiece on the carrier are completely immersed in the liquid, and when the carrier is lifted, the carrier and the workpiece on the carrier are positioned above the liquid level. During the detection, the vacuum controller starts the vacuum pump, and it can be observed in vacuum that whether there are bubbles generated at the weld joint of the weldment, thereby determining whether the sealed weld joint of the module is qualified. The apparatus provided by the utility model has the advantages of simple structure, convenient operation, high detection speed and high working efficiency.

Description

Device for detection of the weldment sealing property

Technical field

The utility model relates to a kind of pick-up unit, especially relates to a kind of device for detection of the weldment sealing property.

Background technology

Laser bonding has the energy density height, distortion is little, speed of welding is high, the automatic advantage of control of easy realization, has obtained in recent years using widely, particularly on being tightly connected of foreign material, has the irreplaceable advantage of other welding means.In the processing of wind-powered electricity generation permanent magnet module, the stainless steel protection cover on the module and magnetic conduction iron plate are adopted the package sealing with laser weldering, and postwelding must carry out the test of 100% sealing property, i.e. vacuum leak detection inspection.

At present, kerosene seepage or PT permeation flaw detection are generally taked in the inspection of leaking hunting of weld seam.These test modes need earlier the sealing weldment to be handled and cleaned, and detection speed is slow, and efficient is low, can not satisfy the requirement of the quick inspection of bulk article weld seam 100% sealing, can form overstocking of product to be checked, influences the back operation batch jobs of product.

Summary of the invention

The utility model is the above-mentioned defective that exists at prior art, and a kind of device for detection of the weldment sealing property that provides, have that simple in structure, easy to operate, detection speed is fast, the advantage of high efficiency, can satisfy 100% of bulk article and detect requirement.

The utility model adopts following technical scheme to realize: the device for detection of the weldment sealing property, be characterized in, and comprising:

One vacuum chamber, described vacuum chamber comprise a container portions and are arranged on the top cover that is made of transparent material at this container portions top; The indoor observation liquid that holds;

One for the vacuum pump that vacuumizes to vacuum chamber;

The controller of one control vacuum pump work, described controller comprise the delay circuit that vacuumizes that a switch, is electrically connected with described switch, and the described delay circuit that vacuumizes is electrically connected with described vacuum pump;

One liftable tray for work pieces is arranged in the vacuum chamber; When pallet was fallen, the workpiece on described pallet and the pallet thereof was immersed in the described liquid fully; When pallet rose, the workpiece on described pallet and the pallet thereof was positioned on the liquid level of described liquid.

Above-mentioned device for detection of the weldment sealing property, wherein, the container portions of described vacuum chamber is made of stainless steel.

Above-mentioned device for detection of the weldment sealing property wherein, comprises also between the container portions of described vacuum chamber and the top cover that one is used for the top cover that top cover is upspring the automatically parts of upspringing; Have at least a side to be provided with a slotted eye in the oral area both sides of described container portions, one spring is set in the described slotted eye, the upspring bottom of parts of described top cover is contained in the described slotted eye, and with spring phase contact, the upspring top of parts of this top cover is connected with the bottom of described top cover.

Above-mentioned device for detection of the weldment sealing property, wherein, described vacuum chamber top cover is made of transparent tempered glass.

Above-mentioned device for detection of the weldment sealing property, wherein, the observation liquid that holds in the described vacuum chamber is water.

Above-mentioned device for detection of the weldment sealing property, wherein, described liftable tray for work pieces comprises pallet and is arranged on the Lift Part of described tray bottom that described Lift Part is selected cylinder, hydraulic pressure or motor-driven.

Above-mentioned device for detection of the weldment sealing property, wherein, described vacuum chamber is provided with liquid injection pipe, discharging tube, and described liquid injection pipe and discharging tube are provided with valve.

Above-mentioned device for detection of the weldment sealing property, wherein, described vacuum chamber inwall also comprises and is provided with on one liquid level line and liquid level line once.

Above-mentioned device for detection of the weldment sealing property wherein, also comprises a liquid level control assembly in the described vacuum chamber, be made of the sensor that is arranged on liquid level line and following liquid level line and operating circuit thereof and an alerting signal element.

The utility model is owing to adopted above technical scheme, and the technique effect of its generation is tangible:

Owing to adopted the vacuum chamber of the control of can delaying time, the vacuum chamber top cover is transparent tempered glass, hold in the vacuum and observe liquid (water), the liftable tray for work pieces is set in the vacuum chamber, tray for work pieces penetrates the stainless-steel vacuum chamber by O-ring seal and links to each other with Lift Part, by the lifting of Lift Part control pallet; Whether whether during detection, vacuum controller starts vacuum pump work automatically, can have bubble to produce on the module weld seam of observing in the liquid by observing to immerse under vacuum state, come the seal-weld of judge module qualified; After the vacuum time-delay finishes, inflate automatically in the vacuum chamber and recover normal pressure, after the lax top cover downforce, top cover is upspring automatically.Have that simple in structure, easy to operate, detection speed is fast, the advantage of high efficiency, can satisfy 100% of bulk article and detect requirement.

Description of drawings

Fig. 1 is the utility model contour structures synoptic diagram.

Fig. 2 is inner annexation synoptic diagram of the present utility model.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

See also Fig. 1 and Fig. 2.The utility model comprises for detection of the device of weldment sealing property: a vacuum chamber 1, is used for controlling to the vacuum pump 2, that vacuum chamber vacuumizes controller 3 and a liftable tray for work pieces 4 of vacuum pump work.

Described vacuum chamber 1 is arranged on the support 10, and this vacuum chamber 1 comprises a container portions 11 and is arranged on the top cover 12 that is made of transparent material at this container portions top.The container portions of described vacuum chamber is made of stainless steel, and described vacuum chamber top cover is made of transparent tempered glass.Hold in the described vacuum chamber and observe liquid 5, described observation liquid for example is water.

Described vacuum pump 2 is arranged on outside the vacuum chamber, connects with vacuum chamber by pipeline 21 to be connected.

The controller 3 of described control vacuum pump work is arranged on outside the vacuum chamber, it comprise one vacuumize switch 31, one with described vacuumize that switch is electrically connected vacuumize delay circuit 32, the described delay circuit that vacuumizes is electrically connected with described vacuum pump.

Described liftable tray for work pieces 4 comprises pallet 41 and is arranged on the Lift Part 42 of described tray bottom.Described pallet 41 is arranged in the vacuum chamber, described Lift Part is arranged on described vacuum chamber outer bottom, select cylinder, hydraulic pressure or motor-driven etc. wherein a kind of, present embodiment adopts air cylinder driven, comprises the gauge tap 424 of a pair of cylinder 421, the driving stem 422 that is connected with cylinder, the air pump 423 that is connected with cylinder and the lifting of control driving stem.Described vacuum chamber bottom is provided with two mounting holes, and described two driving stems penetrate in the vacuum chamber from each self-corresponding mounting hole respectively, and its top arranges pallet 41.Also comprise four sealing gaskets 425, wherein two are arranged in the vacuum chamber, are positioned at the top of mounting hole, and two are arranged on described vacuum chamber outer wall in addition, are positioned at the mounting hole bottom, to guarantee the sealing property of vacuum chamber.

When pallet was fallen, the workpiece on described pallet and the pallet thereof was immersed in the described liquid fully; When pallet rose, the workpiece on described pallet and the pallet thereof was positioned on the liquid level of described liquid.

Also be provided with liquid injection pipe 13 and discharging tube 14 in the vacuum chamber described in the utility model, described liquid injection pipe and discharging tube are provided with valve.Described vacuum chamber inwall also comprises and is provided with on one liquid level line 15 and liquid level line 16 once.When the observation liquid level is lower than liquid level line, inject liquid, the liquid that injects is not higher than liquid level line.By fluid injection, discharging tube control liquid level, periodic replacement liquid.

The utility model also can be provided with automatic control of liquid parts in described vacuum chamber, be made of the sensor that is arranged on liquid level line and following liquid level line and operating circuit thereof and an alerting signal element.Can save the trouble of manual monitoring liquid level like this.Sensor and operating circuit thereof are prior aries, repeat no more.

For ease of operation, the utility model is for detection of comprising also between the container portions of the described vacuum chamber of the device of weldment sealing property and the top cover that one is used for the top cover that top cover is upspring the automatically parts 17 of upspringing; Have at least a side to be provided with a slotted eye in the oral area both sides of described container portions, present embodiment respectively arranges a slotted eye 111 in both sides, one spring 18 is set in the described slotted eye, the upspring bottom of parts of described top cover is contained in the described slotted eye, with spring phase contact, the upspring top of parts of this top cover is connected with the bottom of described top cover.When depressing top cover and vacuumizing, described spring pressurized retraction, the described top cover parts of upspringing are trapped in the slotted eye; When detection finishes, in the vacuum chamber during gradually for normal barometric pressure, described recoil of spring, described top cover are upspring parts with the automatic jack-up of top cover, are convenient to the carrying of operator's two hands and detect workpiece.

Principle of work of the present utility model is: detected welding module is placed on the liftable tray for work pieces, closes the cylinder direction switch of tray for work pieces, and workpiece immerses in the water with pallet, and detected weld seam is covered by water logging fully; Press down the vacuum chamber top cover, shake-up vacuumizes switch in the time of vacuum chamber top cover closing vacuum chamber, vacuumizes delay circuit and starts automatically.If in the seal-weld of weldment during no penetrability defective, under vacuum (negative pressure) state, observe in the liquid (water) and bubble do not occur, by transparent vacuum chamber top cover, but the seal-weld of judge module is qualified; If when having the penetrability defective in the seal-weld, under vacuum (negative pressure) state, be sealed in the gas in the module, can overflow from the penetrability passage of weld seam, the emergent gas under the negative pressure state can form bubble train by observation liquid the time, by transparent vacuum chamber top cover, can be observed the position of penetrability defective on the seal-weld, start the cylinder direction switch of tray for work pieces this moment, and workpiece rises from the water surface with pallet, and wait vacuum delay circuit is finished the work; After the vacuum time-delay finished, the interior inflation automatically of vacuum recovered normal pressure, the downforce of the vacuum chamber top cover that relaxes this moment, and the vacuum chamber top cover is upspring automatically, takes out weldment, and marking pen is demarcated the position of weld defect on the weldment, so that repair welding again.

The utility model has the advantages that: simple in structure, easy to operate, detection speed is fast, and high efficiency can satisfy 100% of bulk article and detect requirement.

Claims (9)

1. for detection of the device of weldment sealing property, it is characterized in that, comprising:
One vacuum chamber, described vacuum chamber comprise a container portions and are arranged on the top cover that is made of transparent material at this container portions top; Hold observation liquid in the vacuum chamber;
One for the vacuum pump that vacuumizes to vacuum chamber;
The controller of one control vacuum pump work, described controller comprise the delay circuit that vacuumizes that a switch, is electrically connected with described switch, and the described delay circuit that vacuumizes is electrically connected with described vacuum pump;
One liftable tray for work pieces is arranged in the vacuum chamber; When pallet was fallen, the workpiece on described pallet and the pallet thereof was immersed in the described liquid fully; When pallet rose, the workpiece on described pallet and the pallet thereof was positioned on the liquid level of described liquid.
2. the device for detection of the weldment sealing property according to claim 1 is characterized in that, the container portions of described vacuum chamber is made of stainless steel.
3. the device for detection of the weldment sealing property according to claim 1 is characterized in that, comprises also between the container portions of described vacuum chamber and the top cover that one is used for the top cover that top cover is upspring the automatically parts of upspringing;
Have at least a side to be provided with a slotted eye in the oral area both sides of described container portions, one spring is set in the described slotted eye, the upspring bottom of parts of described top cover is contained in the described slotted eye, and with spring phase contact, the upspring top of parts of this top cover is connected with the bottom of described top cover.
4. according to claim 1,2 or 3 described devices for detection of the weldment sealing property, it is characterized in that described vacuum chamber top cover is made of transparent tempered glass.
5. the device for detection of the weldment sealing property according to claim 1 is characterized in that, the observation liquid that holds in the described vacuum chamber is water.
6. the device for detection of the weldment sealing property according to claim 1 is characterized in that, described liftable tray for work pieces comprises pallet and be arranged on the Lift Part of described tray bottom that described Lift Part is selected cylinder, hydraulic pressure or motor-driven.
7. the device for detection of the weldment sealing property according to claim 1 is characterized in that, described vacuum chamber is provided with liquid injection pipe, discharging tube, and described liquid injection pipe and discharging tube are provided with valve.
8. the device for detection of the weldment sealing property according to claim 1 is characterized in that, described vacuum chamber inwall also comprises and is provided with on one liquid level line and liquid level line once.
9. the device for detection of the weldment sealing property according to claim 8, it is characterized in that, also comprise a liquid level control assembly in the described vacuum chamber, constituted by the sensor that is arranged on liquid level line and following liquid level line and operating circuit thereof and an alerting signal element.
CN 201320228240 2013-04-28 2013-04-28 Apparatus for detecting seal performance of weldment CN203224338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320228240 CN203224338U (en) 2013-04-28 2013-04-28 Apparatus for detecting seal performance of weldment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320228240 CN203224338U (en) 2013-04-28 2013-04-28 Apparatus for detecting seal performance of weldment

Publications (1)

Publication Number Publication Date
CN203224338U true CN203224338U (en) 2013-10-02

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CN 201320228240 CN203224338U (en) 2013-04-28 2013-04-28 Apparatus for detecting seal performance of weldment

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103808467A (en) * 2013-10-30 2014-05-21 杭州汽轮机股份有限公司 Turbine mechanical fly ball laser sealing welding seam inspection method
CN105628310A (en) * 2016-02-17 2016-06-01 亿和精密工业(苏州)有限公司 Sealing performance testing device and method
CN105865725A (en) * 2016-04-25 2016-08-17 昆山瑞鸿诚自动化设备科技有限公司 Airtightness test fixture
CN109186874A (en) * 2018-08-16 2019-01-11 湖南立方新能源科技有限责任公司 Quick-speed leak detection method
CN109738127A (en) * 2018-12-28 2019-05-10 中核四0四有限公司 A kind of α waste packaging container vacuum leakage detection apparatus and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103808467A (en) * 2013-10-30 2014-05-21 杭州汽轮机股份有限公司 Turbine mechanical fly ball laser sealing welding seam inspection method
CN105628310A (en) * 2016-02-17 2016-06-01 亿和精密工业(苏州)有限公司 Sealing performance testing device and method
CN105865725A (en) * 2016-04-25 2016-08-17 昆山瑞鸿诚自动化设备科技有限公司 Airtightness test fixture
CN109186874A (en) * 2018-08-16 2019-01-11 湖南立方新能源科技有限责任公司 Quick-speed leak detection method
CN109738127A (en) * 2018-12-28 2019-05-10 中核四0四有限公司 A kind of α waste packaging container vacuum leakage detection apparatus and method

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20150512

Address after: 201300 No. 2501 Huang Lu highway, Nanhui Industrial Park, Shanghai, Pudong New Area

Patentee after: Shanghai Yangdong Steel Structure Co.,Ltd.

Address before: 201313 Shanghai City, Pudong New Area Wanxiang town Hongxiang road 83 Lane No. 1-42 building 20 B zone, room 628

Patentee before: Shanghai Judong Novel Energy Technology Co., Ltd.

ASS Succession or assignment of patent right

Owner name: SHANGHAI YANGDONG STEEL STRUCTURE CO., LTD.

Free format text: FORMER OWNER: SHANGHAI JUDONG NEW ENERGY TECHNOLOGY CO., LTD.

Effective date: 20150512

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 201313 PUDONG NEW AREA, SHANGHAI TO: 201300 PUDONG NEW AREA, SHANGHAI