CN102936743B - Electroplated micro-crack chromium slot, manufacture method and leakage detection method - Google Patents
Electroplated micro-crack chromium slot, manufacture method and leakage detection method Download PDFInfo
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- CN102936743B CN102936743B CN201210471078.2A CN201210471078A CN102936743B CN 102936743 B CN102936743 B CN 102936743B CN 201210471078 A CN201210471078 A CN 201210471078A CN 102936743 B CN102936743 B CN 102936743B
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Abstract
The invention discloses an electroplated micro-crack chromium slot, wherein a welded rigid polyvinyl chloride plastic welding rod is additionally welded at the contact position of an overflow pipe and a flexible polyvinyl chloride plastic layer, and the outer extending end of the overflow pipe is connected with a pipe through a connector. The invention further discloses a manufacture method and a leakage detection method of the electroplated micro-crack chromium slot. The leakage detection method of the electroplated micro-crack chromium slot includes the following steps: closing an overflow port and fully filling water into a slot body and an overflow trough; using a resistor gear of a multimeter to detect whether leakage happens; pumping water out from the slot body and the overflow trough if leakage happens, and wiping water stain; checking whether the slot body and the outer surface of the bottom of the overflow trough have water stain and judging the leakage point range; using a spark vacuum gauge for detection and determining that a liquid leakage position is the leakage point if the liquid leakage position and an electrode collide to generate sparks. According to the electroplated micro-crack chromium slot, the manufacture method and the leakage detection method, the sealing effect at the overflow port position is enhanced, trough liquid is prevented from leaking from the overflow port, and the leakage detection method can be used for fast and accurately seeking the leakage point when leakage happens.
Description
Technical field
The present invention relates to a kind of plating tank, particularly relate to a kind of plating tiny crack chromium groove, manufacture method and leak hunting method.
Background technology
When processing cart piston rod, need to use plating tiny crack chromium groove to carry out electroplating the operation of tiny crack chromium, in plating tiny crack chromium groove, splendid attire chromic anhydride and sulfuric acid and Strong oxdiative additive, therefore higher to the requirement of plating tiny crack chromium groove, should corrosion-resistant, load-bearing, again resistance to 64 DEG C of temperature.In order to realize automatic production requirement, when extensive plating tiny crack chromium, tank liquor requires circulation, need tripartite's overflow, homogeneous band walks to electroplate the heat produced in tiny crack chromium process, therefore overflow groove is set at edge, cell body opening three limit, overflow port is offered in overflow groove, first upflow tube port is welded with ring flange, then upflow tube is poured into overflow port, ring flange outer rim and soft polyvinyl chloride plastic layer are welded and fixed, because ring flange outer rim is near overflow cell wall, narrow space causes difficulty to being welded and fixed of ring flange, easily causes dry joint.
After a long time use, can leak at overflow port place, tank liquor can along pipeline down seepage, the chromium plating liquid flowed out can cause environmental pollution, and the chromium plating liquid processing seepage can consume a large amount of reductive agents, as processed leakage point not in time, the chromium plating liquid flowed out can corrode outer layer plate, once steel plate is corroded, wear can not load capacity, and electroplate liquid will uterine bleeding, causes environmental pollution accident.
In addition, the operation carrying out hunting leak is needed after the manufacture of plating tiny crack chromium groove completes, current traditional way is, first in cell body, fills tap water, observes leak hunting aperture whether leakage after four hours, if no leakage, then continue to add water, make overflow groove fill tap water, leave standstill and after four hours, observe leak hunting aperture whether leakage, if no leakage, then open flange port mounting flange.This leak hunting method is more passive, bothers very much, consuming time long, but also not necessarily can find out leakage point, and then delays the time of doing over again and reprocessing.
Be only be welded with a Vybak welding rod in prior art, when carrying out plating tiny crack chromium, drop as there is workpiece, being easy to Vybak welding rod to smash, making tank liquor from the stitching portion seepage of soft polyvinyl chloride plastic layer.And this structure of the present invention, soft polyvinyl chloride plastic welding rod well can protect Vybak welding rod, even if there is workpiece, drop also can not be broken.
Another object of the present invention is just to provide a kind of manufacture method of electroplating tiny crack chromium groove, and its step is as follows:
A. manufacture cell body and overflow groove, and paste the thick soft polyvinyl chloride plastic layer of 4mm at cell body and overflow groove internal surface, overflow groove is fixed on cell body edge of opening, arranges leak hunting aperture, arrange overflow port in overflow groove in cell body and overflow groove;
B. upflow tube inserts in overflow port, welds a Vybak welding rod consolidation between overflow tube wall with soft polyvinyl chloride plastic layer;
C. ring flange is assemblied in the upflow tube end stretched in overflow groove, and upflow tube port outer rim welds three Vybak welding rods and ring flange consolidation, and ring flange outer rim welds three Vybak welding rods and soft polyvinyl chloride plastic layer consolidation;
D. upflow tube lower end is bonding with one end of connecting joint, and welds three Vybak welding rods at seam crossing, connecting joint the other end cementation pipeline, and welds a Vybak welding rod at seam crossing.
Further, in step a, a Vybak welding rod is all welded in the stitching portion between the soft polyvinyl chloride plastic layer of described cell body and inner each of overflow groove, and this Vybak welding rod covers welding soft polyvinyl chloride plastic welding rod again.
The present invention also provides a kind of leak hunting method electroplating tiny crack chromium groove, comprises the following steps:
A. close overflow port, fill water by cell body and overflow groove;
B. use the resistance grade of universal meter to detect, as resistance value infinity then shows No leakage, then show there is leakage if any resistance value;
C. detect at use universal meter and show there is leakage, but leak not obvious naked eyes when accurately cannot judge leakage point, need further to find out leakage point, first the water in cell body and overflow groove is extracted out, and dry water mark;
D. check whether the leak hunting aperture place of cell body and isopipe root outside surface has water mark, then can preliminary judgement leakage point scope;
E. use electrical spark vacuum detection instrument to detect, leakage place and electrode meeting hit out spark, be leakage point herein.
Compared with prior art, beneficial effect of the present invention is:
1. structure is simple, easily manufactures, enhances the sealing effectiveness at overflow port place, prevent tank liquor from leaking from overflow port.
2., when tank liquor occurring and leaking, utilize leak hunting method of the present invention can find out leakage point fast and accurately, efficiently solve prior art and can not find leakage point, delay the problem of the time of reprocessing of doing over again.
Summary of the invention
One object of the present invention is just to provide a kind of plating tiny crack chromium groove, effectively can solve the problem that overflow port place tank liquor leaks.
Object of the present invention is realized by following technical proposals:
A kind of plating tiny crack chromium groove, comprise cell body, overflow groove is provided with along cell body edge of opening, cell body and overflow groove internal surface all paste soft polyvinyl chloride plastic layer, overflow port is offered in overflow groove, at the ring flange assembling upflow tube that overflow port is made by Vybak, the contact position of upflow tube and soft polyvinyl chloride plastic layer is welded with Vybak welding rod, Vybak welding rod is welded with between ring flange outer rim and soft polyvinyl chloride plastic layer, one end port of upflow tube welds Vybak welding rod consolidation with ring flange, the other end is connected with pipeline by connecting joint, connecting joint welds Vybak welding rod with the junction of upflow tube and pipeline.
Further, described cell body is rectangle cell body, and bottom cell body, corner is provided with leak hunting aperture, and edge, cell body opening three limit arranges the overflow groove of connection, and isopipe root is uniform six leak hunting apertures along cell body edge.
The polyvinyl chloride plastic bed of material can protect cell body and overflow groove not to be corroded by tank liquor; but the polyvinyl chloride plastic bed of material itself may exist micropore or after long-term use the polyvinyl chloride plastic bed of material cracking; thus cause tank liquor infiltration cell body and isopipe root by cell body and overflow groove corrosion; cell body and overflow groove can be caused time serious to be corroded wear, tank liquor leaks in a large number and causes environmental pollution.Therefore in order to detect that these leak hidden danger, prior art offers two leak hunting apertures at cell body bottom surface diagonal lines.This prior art Problems existing is, the position far away at distance leak hunting aperture is not easy to be detected very soon if there is tank liquor seepage.Because tank liquor needs to flow through a very long segment distance just can flow to leak hunting aperture, does not even also flow to leak hunting aperture and is just corroded through bottom cell body, cause tank liquor to leak.And, there is no leak hunting aperture in overflow groove, cannot effectively detect.
And this structure corner bottom cell body of the present invention is provided with leak hunting aperture, isopipe root is uniform six leak hunting apertures along cell body edge, reduce cell body and the distance of isopipe root everywhere and between leak hunting aperture, after tank liquor infiltrates from the polyvinyl chloride plastic bed of material, can very fast being detected, repair in time, avoid even more serious leakage accident occurs.
Further, a Vybak welding rod is all welded in the stitching portion between the soft polyvinyl chloride plastic layer of described cell body and inner each of overflow groove, and this Vybak welding rod covers welding soft polyvinyl chloride plastic welding rod again.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 2;
Fig. 4 is the partial enlarged drawing at C place in Fig. 2.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
As shown in Figures 1 to 4, a kind of plating tiny crack chromium groove, comprise rectangle cell body 1, bottom cell body 1, corner is provided with leak hunting aperture 2, the overflow groove 3 of connection is set along edge, cell body 1 opening three limit, bottom overflow groove 3 along cell body edge uniform six leak hunting apertures 2, cell body 1 and overflow groove 3 internal surface all paste the soft polyvinyl chloride plastic layer 4 of 4mm thickness, two overflow ports 5 are offered in overflow groove 3, the ring flange 6 made by the Vybak that 12mm is thick at overflow port 5 assembles upflow tube 7, ring flange 6 is assemblied in upflow tube 7 port and welds three Vybak welding rod 8 consolidations, groove 9 is offered in inner edge, ring flange 6 lower end, a Vybak welding rod 8 is welded with the contact position of soft polyvinyl chloride plastic layer 4 at groove 9 position upflow tube 7, ring flange 6 outer rim with weld three Vybak welding rod 8 consolidations between soft polyvinyl chloride plastic layer 4, the overhanging end of upflow tube 7 is connected with pipeline 11 by connecting joint 10, connecting joint 10 welds three Vybak welding rod 8 consolidations with the junction of upflow tube 7, Vybak welding rod 8 consolidation is welded with the junction of pipeline 11.
The present invention can also improve further, a Vybak welding rod 8 is all welded in stitching portion between the soft polyvinyl chloride plastic layer 4 of described cell body 1 and inner each of overflow groove 3, this Vybak welding rod 8 covers welding soft polyvinyl chloride plastic welding rod 12 again, and the width of soft polyvinyl chloride plastic welding rod 12 is greater than the width of Vybak welding rod 8.
The invention provides a kind of manufacture method of electroplating tiny crack chromium groove, its step is as follows:
A. manufacture cell body and overflow groove, and paste the thick soft polyvinyl chloride plastic layer of 4mm at cell body and overflow groove internal surface, overflow groove is fixed on cell body edge of opening, arranges leak hunting aperture, arrange overflow port in overflow groove in cell body and overflow groove;
B. upflow tube inserts in overflow port, welds a Vybak welding rod consolidation between overflow tube wall with soft polyvinyl chloride plastic layer;
C. ring flange is assemblied in the upflow tube end stretched in overflow groove, and upflow tube port outer rim welds three Vybak welding rods and ring flange consolidation, and ring flange outer rim welds three Vybak welding rods and soft polyvinyl chloride plastic layer consolidation;
D. upflow tube lower end is bonding with one end of connecting joint, and welds three Vybak welding rods at seam crossing, connecting joint the other end cementation pipeline, and welds a Vybak welding rod at seam crossing.
In step a, a Vybak welding rod is all welded in stitching portion between the soft polyvinyl chloride plastic layer of described cell body and inner each of overflow groove, this Vybak welding rod covers welding soft polyvinyl chloride plastic welding rod again, and the width of soft polyvinyl chloride plastic welding rod is greater than the width of Vybak welding rod.
The present invention welds a Vybak welding rod at upflow tube with the contact position of soft polyvinyl chloride plastic layer; three Vybak welding rod consolidations are welded between ring flange outer rim with soft polyvinyl chloride plastic layer; coordinating outside gap like this between upflow tube with soft polyvinyl chloride plastic layer just defines two seals protection; thus enhance sealing effectiveness, prevent overflow port place from tank liquor occurring and leak.
The present invention also provides a kind of leak hunting method electroplating tiny crack chromium groove, comprises the following steps:
A. close overflow port, fill water by cell body and overflow groove;
B. use the resistance grade of universal meter to detect, as resistance value infinity then shows No leakage, then show there is leakage if any resistance value;
C. detect at use universal meter and show there is leakage, but leak not obvious naked eyes when accurately cannot judge leakage point, need further to find out leakage point, first the water in cell body and overflow groove is extracted out, and dry water mark;
D. check whether the leak hunting aperture place of cell body and isopipe root outside surface has water mark, then can preliminary judgement leakage point scope;
E. use electrical spark vacuum detection instrument to detect, leakage place and electrode meeting hit out spark, be leakage point herein.
When tank liquor occurring and leaking, utilized leak hunting method of the present invention to save the standing waiting time of traditional leak hunting method, what energy was quick, accurate and effective finds out leakage point.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. electroplate the manufacture method of tiny crack chromium groove for one kind, this plating tiny crack chromium groove comprises cell body, overflow groove is provided with along cell body edge of opening, cell body and overflow groove internal surface all paste soft polyvinyl chloride plastic layer, overflow port is offered in overflow groove, at the ring flange assembling upflow tube that overflow port is made by Vybak, it is characterized in that: the contact position of upflow tube and soft polyvinyl chloride plastic layer is welded with Vybak welding rod, Vybak welding rod is welded with between ring flange outer rim and soft polyvinyl chloride plastic layer, one end port of upflow tube welds Vybak welding rod consolidation with ring flange, the other end is connected with pipeline by connecting joint, connecting joint welds Vybak welding rod with the junction of upflow tube and pipeline, its manufacturing step is as follows:
A. manufacture cell body and overflow groove, and paste the thick soft polyvinyl chloride plastic layer of 4mm at cell body and overflow groove internal surface, overflow groove is fixed on cell body edge of opening, arranges leak hunting aperture, arrange overflow port in overflow groove in cell body and overflow groove;
B. upflow tube inserts in overflow port, welds a Vybak welding rod consolidation between overflow tube wall with soft polyvinyl chloride plastic layer;
C. ring flange is assemblied in the upflow tube end stretched in overflow groove, and upflow tube port outer rim welds three Vybak welding rods and ring flange consolidation, and ring flange outer rim welds three Vybak welding rods and soft polyvinyl chloride plastic layer consolidation;
D. upflow tube lower end is bonding with one end of connecting joint, and welds three Vybak welding rods at seam crossing, connecting joint the other end cementation pipeline, and welds a Vybak welding rod at seam crossing.
2. manufacture method according to claim 1, is characterized in that: described cell body is rectangle cell body, and bottom cell body, corner is provided with leak hunting aperture, and edge, cell body opening three limit arranges the overflow groove of connection, and isopipe root is uniform six leak hunting apertures along cell body edge.
3. manufacture method according to claim 1, it is characterized in that: a Vybak welding rod is all welded in the stitching portion between the soft polyvinyl chloride plastic layer of described cell body and inner each of overflow groove, and this Vybak welding rod covers welding soft polyvinyl chloride plastic welding rod again.
4. the manufacture method according to any one of claim 1-3, it is characterized in that: in step a, a Vybak welding rod is all welded in stitching portion between the soft polyvinyl chloride plastic layer of described cell body and inner each of overflow groove, and this Vybak welding rod covers welding soft polyvinyl chloride plastic welding rod again.
5. the leak hunting method of plating tiny crack chromium groove according to claim 1, is characterized in that, comprise the following steps:
A. close overflow port, fill water by cell body and overflow groove;
B. use the resistance grade of universal meter to detect, as resistance value infinity then shows No leakage, then show there is leakage if any resistance value;
C. detect at use universal meter and show there is leakage, but leak not obvious naked eyes when accurately cannot judge leakage point, need further to find out leakage point, first the water in cell body and overflow groove is extracted out, and dry water mark;
D. check whether the leak hunting aperture place of cell body and isopipe root outside surface has water mark, then can preliminary judgement leakage point scope;
E. use electrical spark vacuum detection instrument to detect, leakage place and electrode meeting hit out spark, be leakage point herein.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471078.2A CN102936743B (en) | 2012-11-20 | 2012-11-20 | Electroplated micro-crack chromium slot, manufacture method and leakage detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210471078.2A CN102936743B (en) | 2012-11-20 | 2012-11-20 | Electroplated micro-crack chromium slot, manufacture method and leakage detection method |
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| CN102936743A CN102936743A (en) | 2013-02-20 |
| CN102936743B true CN102936743B (en) | 2015-02-18 |
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| CN201210471078.2A Active CN102936743B (en) | 2012-11-20 | 2012-11-20 | Electroplated micro-crack chromium slot, manufacture method and leakage detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017192721A1 (en) * | 2016-05-03 | 2017-11-09 | Palliser Industries, Inc. | Sensor |
| CN110940462A (en) * | 2019-10-23 | 2020-03-31 | 芜湖天航装备技术有限公司 | Sealing performance inspection method for constant-speed transmission device shell |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166297Y (en) * | 1993-04-05 | 1994-05-25 | 冯援朝 | Flange type pipe connector |
| JP2009242878A (en) * | 2008-03-31 | 2009-10-22 | Dowa Metaltech Kk | Plating treatment device |
| CN201369238Y (en) * | 2008-11-21 | 2009-12-23 | 河南平高电气股份有限公司 | Sealing cover board for current transformer |
| CN201525898U (en) * | 2009-08-19 | 2010-07-14 | 隆昌山川精密焊管有限责任公司 | Plating slot for automatically circulating chrome plating line |
| JP4712431B2 (en) * | 2005-05-02 | 2011-06-29 | 三菱電機株式会社 | Maskless plating equipment |
-
2012
- 2012-11-20 CN CN201210471078.2A patent/CN102936743B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166297Y (en) * | 1993-04-05 | 1994-05-25 | 冯援朝 | Flange type pipe connector |
| JP4712431B2 (en) * | 2005-05-02 | 2011-06-29 | 三菱電機株式会社 | Maskless plating equipment |
| JP2009242878A (en) * | 2008-03-31 | 2009-10-22 | Dowa Metaltech Kk | Plating treatment device |
| CN201369238Y (en) * | 2008-11-21 | 2009-12-23 | 河南平高电气股份有限公司 | Sealing cover board for current transformer |
| CN201525898U (en) * | 2009-08-19 | 2010-07-14 | 隆昌山川精密焊管有限责任公司 | Plating slot for automatically circulating chrome plating line |
Non-Patent Citations (1)
| Title |
|---|
| 张允诚 等.电镀手册.《电镀手册》.国防工业出版社,2007,(第3版), * |
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Address after: Shanchuan Town, Longchang County, Neijiang City, Sichuan Province Patentee after: Longchang Shanchuan Machinery Co.,Ltd. Address before: Shanchuan Town, Longchang County, Neijiang City, Sichuan Province Patentee before: LONGCHANG SHANCHUAN PRECISION WELDED TUBE Co.,Ltd. |
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Address after: Shanchuan community, Jine street, Longchang City, Neijiang City, Sichuan Province Patentee after: Longchang Shanchuan Machinery Co.,Ltd. Address before: Shanchuan Town, Longchang County, Neijiang City, Sichuan Province Patentee before: Longchang Shanchuan Machinery Co.,Ltd. |
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