CN208999276U - The detection device of food-grade tinplate inner coating corrosion resistance - Google Patents
The detection device of food-grade tinplate inner coating corrosion resistance Download PDFInfo
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- CN208999276U CN208999276U CN201821004496.XU CN201821004496U CN208999276U CN 208999276 U CN208999276 U CN 208999276U CN 201821004496 U CN201821004496 U CN 201821004496U CN 208999276 U CN208999276 U CN 208999276U
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Abstract
The utility model is the detection device of food-grade tinplate inner coating corrosion resistance, the present apparatus is equipped with the front and rear panels being fixedly connected, foreboard is transparent panel, foreboard is equipped with the cavity with side ports, its end is along equipped with sealing rubber ring, the fixed cathode electrode of riveting is equipped with outside the foreboard other side, its non-corrosive metal (NCM) riveting parts gos deep into cavity, the upper of connection cavity is respectively equipped at the top and bottom of foreboard, lower pipe connection, lower pipe connection is equipped with the corrosion resistant hose for being connected to injection or extraction corrosion liquid device, back plate is equipped with longitudinal through slot of insertion coating iron and respective chamber side ports, back plate in longitudinal through slot is equipped with the platen for being fixed on stud with chamber central coaxial line, the stud other end is equipped with handle, it is the coating iron for closing foreboard cavity side ports between the boss and sealing rubber ring of test mode pushing plate edge, coating iron is anode electrode.The utility model has easy to use, the inefficient high outstanding advantages of testing cost.
Description
Technical field
The utility model belongs to detection device, more particularly to a kind of inspection of food-grade tinplate inner coating corrosion resistance
Survey device.
Background technique
The tin plate food pot of the general content containing liquid should also be prevented in addition to antiacid, sulfur resistive ability
The tin plate food pot of the only immersion corrosion of solution, i.e., such purposes must have the ability of anti-solution corrosion.
The detection of existing anti-solution corrosion ability is carried out by following operative step substantially: by coating iron (instant grade Ma Kou
Iron, similarly hereinafter) if the test piece dry plate for being cut into 50mm × 50mm is stand-by；It prepares corrosive liquid: selecting analytically pure citric acid 50g, nitric acid
Sodium 137g and vitamin C 500g adds distilled water 1000ml to mix；In the back side (i.e. tinplate smooth surface) welding lead of test piece, and
With beeswax with cut sealing together with corner, then test piece is put into above-mentioned corrosive liquid, the stainless steel plate with Ф 4mm × 10mm is
Cathode, test piece are anode, carry out anodic attack to coated surface under 15V DC voltage, test piece are taken out after 1 hour, to be corroded
Situation grading, the test is usually with three pieces for one group of progress.
There are following main problems for the detection of above-mentioned anti-solution corrosion ability: its detection such as welding lead, beeswax sealing is quasi-
Standby process is more complex；Three pieces test piece merging is held in the container of corrosive liquid simultaneously, causes corrosive liquid that can only be disposable
It consumes larger.
Summary of the invention
The utility model is the corrosive liquid in order to overcome existing detection method detection preparation process more complex, disposable
Larger technical problem is consumed, and proposes that a kind of detection preparation process is relatively simple, corrosive liquid consumes less food-grade tinplate
The detection device of inner coating corrosion resistance.
The utility model takes following technical scheme to achieve the above object: this detection device includes the cathode of non-corrosive metal (NCM)
Electrode is characterized in, the detection device is equipped with the front and rear panels being fixedly connected, and the foreboard is transparent panel, foreboard be equipped with by
The cavity for the receiving corrosive liquid that circular groove is constituted, cavity port is corresponding with back plate and has side ports, cavity side ports tool
There is the area of a circle for meeting area of detection requirement, cavity side port end is along equipped with sealing rubber ring, foreboard corresponding with cavity side ports
The fixed cathode electrode of riveting is equipped with outside the other side, non-corrosive metal (NCM) riveting parts go deep into cavity, connection chamber is equipped at the top of foreboard
The upper pipe fitting of body, foreboard bottom are equipped with the lower pipe connection of connection cavity, and lower pipe connection is equipped with corrosion resistant hose, which connects
It is connected to injection or extracts the device of corrosive liquid out, the back plate is equipped with insertion coating iron and the longitudinal direction of corresponding foreboard cavity side ports is logical
Slot, the back plate in longitudinal through slot are equipped with the screw hole with chamber central coaxial line, and screw hole is equipped with the stud being threadedly coupled with it, stud
One end is equipped with cavity and its end along the corresponding platen of sealing rubber ring, and the stud other end is equipped with the handle being located on rear side of back plate, institute
It states its edge of platen and is equipped with the boss that engage with sealing rubber ring, back plate is equipped with the space that pressure supply disk moves axially, under test mode
It is the coating iron for closing foreboard cavity side ports between the boss and sealing rubber ring at platen edge, coating iron is anode electrode, directly
Galvanic electricity source positive-negative power line is respectively equipped with the crocodile clip of connection coating iron and cathode electrode, and the back plate bottom is equipped with support column,
Support column bottom end is equipped with pedestal.
The area of a circle of the cavity side ports is equal to 2500mm2, cavity depth 10-25mm.
The upper pipe fitting is equipped with exhaust hose.
The base edge is equipped with gear liquid boss.
The device of the injection or extraction corrosive liquid is syringe or noncorrosive pump.
The foreboard is equipped at intervals with the cavity of 3 transversely arranged receiving corrosive liquids and its sealant on side ports end edge
Circle, foreboard other side outside corresponding with each cavity side ports are equipped with the cathode electrode for respectively corresponding 3 transversely arranged cavitys, respectively
Cathode electrode is respectively equipped with the non-corrosive metal (NCM) riveting parts for going deep into each cavity, and the back plate is equipped with corresponding each cavity side ports of foreboard
Longitudinal through slot, longitudinal through slot, which can be inserted into, respectively corresponds the coating iron of each cavity, the back plate in longitudinal through slot be respectively equipped with accordingly
The screw hole of chamber central coaxial line, each screw hole are respectively equipped with the stud being threadedly coupled with it, and each stud one end is respectively equipped with and phase
Answer cavity and its end along the corresponding platen of sealing rubber ring, each stud other end is respectively equipped with the handle on rear side of back plate, described
Each platen edge is equipped with the boss engaged with corresponding sealing rubber ring, and the back plate in longitudinal through slot is respectively equipped with axial for corresponding platen
Mobile space, foreboard top are equipped with the upper pipe fitting for being respectively communicated with respective cavities, and foreboard bottom is equipped with and is respectively communicated with respective chamber
The lower pipe connection of body, the corrosion resistant for being equipped with connection injection or extraction corrosion liquid device positioned at its lower pipe connection of the cavity of foreboard one end are soft
Pipe, the upper pipe fitting of the cavity and between the lower pipe connection of foreboard middle chamber, the upper pipe fitting of foreboard middle chamber with
The corrosion resistant hose for making each cavity serial communication, the foreboard other end are respectively equipped between the lower pipe connection of foreboard other end cavity
The upper pipe fitting of cavity is equipped with exhaust corrosion resistant hose.
The beneficial effects of the utility model and advantage are: before this detection device forces coating iron effectively to be closed using platen
Plate accommodates the side ports of corrosive liquid cavity, and transparent front plate is convenient for the injection of observation cavity or the situation of extraction corrosive liquid, the side of cavity
Port is conducive to corrosive liquid and comes into full contact with coating iron inner coating, it is ensured that the reliability of detection.Accommodate the cavity of corrosive liquid
Volume is smaller, can save a large amount of corrosive liquids compared with existing immersion mode and reduce testing cost.Due to one of coating iron
Divide and contacted with corrosive liquid, therefore crocodile clip is easy to use so that coating iron is obtained direct current not in contact with the part of corrosive liquid by it
Source avoids the preparation process of the complexity such as welding lead in existing detection method, beeswax sealing, is conducive to improve test efficiency.
This detection device can be divided into single-chamber body and three cavitys, can meet the requirement of detection method or rule, application method base
This is consistent and very simple, and three progress one-time detections can be used in the detection device of single-chamber body.Seal first coating iron when use
Closed chamber body, then be clamped and connected and detect power supply line, corrosive liquid is finally injected, detection is finished, and is first extracted corrosive liquid out and is removed crocodile
Folder, finally removes coating iron.The utility model has easy to use, the inefficient high outstanding advantages of testing cost.
Detailed description of the invention
Attached drawing 1 is 1 structural schematic diagram of embodiment.
Attached drawing 2 is Fig. 1 top view.
Attached drawing 3 is Figure 1A-A cross section view.
Attached drawing 4 is coating iron closed cavity schematic diagram.
Attached drawing 5 is 2 structural schematic diagram of embodiment.
Attached drawing 6 is Fig. 5 top view.
Marked in the figure: 1 foreboard, 1-1 cavity, 2 sealing rubber rings, 3 cathode electrodes, 3-1 riveting parts, 4 lower pipe connections, 5 upper tubes
Connector, 6 screws, 7 support columns, 8 pedestals, 8-1 keep off liquid boss, 9 back plates, the longitudinal direction 9-1 through slot, the space 9-2,10 studs, 10-1 pressure
Disk, 11 lever-like handles, 12 coating iron.
Specific embodiment
The utility model is further illustrated below with reference to embodiment and its attached drawing.
Embodiment 1 as shown in Figure 1,2,3, 4, the detection device of embodiment 1 are equipped with 1 He of foreboard being fixedly connected by screw 6
Back plate 9, foreboard are transparent panel.
Foreboard 1 is equipped with the cavity 1-1 for the receiving corrosive liquid being made of circular groove, and cavity port is corresponding with back plate 9
And there are side ports, the cavity side ports area of a circle is equal to 2500mm2, to meet existing conventional detection requirement, cavity depth is
10-25mm, cavity side port end is along equipped with sealing rubber ring 2.
The fixed non-corrosive metal (NCM) cathode electrode 3 of riveting is equipped with outside foreboard corresponding with the cavity 1-1 side ports other side,
Non-corrosive metal (NCM) riveting parts 3-1 gos deep into cavity 1-1.
The upper pipe fitting 5 of connection cavity 1-1 is equipped at the top of foreboard 1, the down tube that 1 bottom of foreboard is equipped with connection cavity 1-1 connects
First 4.
Upper pipe fitting 5 is exhaust outlet, can connect exhaust hose (shown in dotted line).
Lower pipe connection 4 is equipped with corrosion resistant hose (shown in dotted line), which is connected to injection or extracts the dress of corrosive liquid out
It sets, which is syringe or noncorrosive pump (not shown).
Back plate 9 is equipped with longitudinal through slot 9-1 of corresponding foreboard cavity 1-1 side ports, and longitudinal through slot can be inserted into respective chamber
Coating iron.
Back plate in longitudinal through slot 9-1 is equipped with the screw hole with cavity 1-1 central coaxial line, and screw hole is equipped with and is threadedly coupled with it
Stud 10, stud one end is equipped with cavity and its end along the corresponding platen 10-1 of sealing rubber ring, platen edge be equipped with it is corresponding
The boss of sealing rubber ring engagement, the back plate in longitudinal through slot are equipped with the space 9-2 of pressure supply disk axial movement, and 10 other end of stud is set
There is the lever-like handle 11 being located on rear side of back plate.
9 bottom of back plate is equipped with support column 7, and support column bottom end is equipped with pedestal 8, and base edge is equipped with gear liquid boss 8-1.
In operation, its pipe end of the exhaust hose of the aforementioned connection of upper pipe fitting 5 should be placed in pedestal 8, and corrosive liquid is avoided to anticipate
Outer splash.
It is the coating for closing foreboard cavity side ports between the boss and sealing rubber ring 2 at the edge test mode pressing disc 10-1
Iron 12 (see Fig. 4).
The coating iron 12 of this test device be anode electrode, DC power supply positive-negative power line be respectively equipped with connection coating iron and
The crocodile clip (not shown) of cathode electrode 3.
The test device of embodiment 1 can more such as 3 use simultaneously.
Embodiment 2 as shown in Figure 5,6, foreboard 1 be equipped at intervals with 3 transversely arranged receiving corrosive liquids cavity 1-1 and its
Sealing rubber ring 2 is respectively equipped with the cathode electricity of corresponding 3 transversely arranged cavitys outside the foreboard other side corresponding with each cavity port
Pole 3, each cathode electrode 3 are equipped with the non-corrosive metal (NCM) riveting parts 3-1 for going deep into each cavity respectively.
Back plate 9 is equipped with longitudinal through slot 9-1 of corresponding each cavity 1-1 side ports of foreboard, and longitudinal through slot can be inserted into and respectively correspond
The coating iron of each cavity.
Back plate in longitudinal through slot 9-1 is respectively equipped with the screw hole with each cavity 1-1 central coaxial line, and each screw hole is respectively equipped with
The stud 10 being threadedly coupled with it, each stud one end are respectively equipped with respective cavities and its end along the corresponding platen of sealing rubber ring
10-1, each platen edge are equipped with the boss engaged with corresponding sealing rubber ring, and the back plate in longitudinal through slot is respectively equipped with for corresponding pressure
The space 9-2 of disk axial movement, 10 other end of stud are equipped with the lever-like handle 11 being respectively equipped on rear side of back plate.
9 bottom of back plate is equipped with support column 7, and support column bottom end is equipped with pedestal 8, and base edge is equipped with gear liquid boss 8-1.
The upper pipe fitting 5 of connection respective cavities 1-1 is respectively equipped at the top of foreboard 1, it is corresponding that 1 bottom of foreboard is respectively equipped with connection
The lower pipe connection 4 of cavity 1-1, its lower pipe connection 4 of cavity 1-1 positioned at diagram 1 left end of foreboard is equipped with connection injection or extraction is rotten
Lose the corrosion resistant hose (in figure shown in dotted line, similarly hereinafter) of liquid device (syringe or noncorrosive pump), the upper pipe fitting 5 of the cavity and position
Between the lower pipe connection 4 of 1 middle chamber of foreboard, the upper pipe fitting 5 of foreboard middle chamber be located at foreboard right end cavity under
The corrosion resistant hose for making each cavity serial communication is respectively equipped between pipe fitting 4, the upper pipe fitting 5 of foreboard right end cavity is equipped with exhaust
Corrosion resistant hose.
9 bottom of back plate of embodiment 2 also is provided with support column 7, and support column bottom end is equipped with pedestal 8, and base edge is equipped with gear liquid
Boss 8-1.
It is closing each chamber of foreboard respectively between the boss at the edge each platen 10-1 and corresponding sealing rubber ring 2 under test mode
The coating iron (referring to fig. 4) of body end mouth.
3 coating iron 12 of the present embodiment 2 are anode electrode, and DC power supply positive-negative power line is respectively equipped with each coating of connection
The crocodile clip (not shown) of iron and cathode electrode 3.
1 needs that can meet common detection methods may be implemented in the test device of embodiment 2.
Claims (6)
1. the detection device of food-grade tinplate inner coating corrosion resistance, the cathode electrode including non-corrosive metal (NCM), feature exist
In: the detection device is equipped with the front and rear panels being fixedly connected, and the foreboard is transparent panel, and foreboard is equipped with by circular groove structure
At receiving corrosive liquid cavity, cavity port is corresponding with back plate and has side ports, and cavity side ports are with meeting detection
The area of a circle of area requirements, cavity side port end is along being equipped with sealing rubber ring, outside foreboard corresponding with the cavity side ports other side
Equipped with the cathode electrode that riveting is fixed, non-corrosive metal (NCM) riveting parts go deep into cavity, and the upper tube that connection cavity is equipped at the top of foreboard connects
Head, foreboard bottom be equipped with connection cavity lower pipe connection, lower pipe connection be equipped with corrosion resistant hose, the corrosion resistant hose be connected to injection or
Extract the device of corrosive liquid out, the back plate is equipped with longitudinal through slot of insertion coating iron and corresponding foreboard cavity side ports, Zong Xiangtong
Back plate in slot is equipped with the screw hole with chamber central coaxial line, and screw hole is equipped with the stud being threadedly coupled with it, and stud one end is equipped with
With cavity and its end along the corresponding platen of sealing rubber ring, the stud other end is equipped with the handle being located on rear side of back plate, the platen its
Edge is equipped with the boss engaged with sealing rubber ring, and back plate is equipped with the space of pressure supply disk axial movement, and test mode pushes plate edge
Boss and sealing rubber ring between be close foreboard cavity side ports coating iron, coating iron be anode electrode, DC power supply is just
Negative power line is respectively equipped with the crocodile clip of connection coating iron and cathode electrode, and the back plate bottom is equipped with support column, support column bottom
End is equipped with pedestal.
2. detection device according to claim 1, it is characterised in that: the area of a circle of the cavity side ports is equal to
2500mm2, cavity depth 10-25mm.
3. detection device according to claim 1, it is characterised in that: the upper pipe fitting is equipped with exhaust hose.
4. detection device according to claim 1, it is characterised in that: the base edge is equipped with gear liquid boss.
5. detection device according to claim 1, it is characterised in that: the device of the injection or extraction corrosive liquid is injection
Device or noncorrosive pump.
6. detection device described according to claim 1 or 2 or 4 or 5, it is characterised in that: the foreboard is equipped at intervals with 3 transverse directions
The cavity of the receiving corrosive liquid of arrangement and its sealing rubber ring on side ports end edge, the foreboard other side corresponding with each cavity side ports
Outside is equipped with the cathode electrode for respectively corresponding 3 transversely arranged cavitys, and each cathode electrode is respectively equipped with the anti-corrosion for going deep into each cavity
Metal riveting part, the back plate are equipped with longitudinal through slot of corresponding each cavity side ports of foreboard, and longitudinal through slot can be inserted into and respectively correspond
The coating iron of each cavity, the back plate in longitudinal through slot are respectively equipped with the screw hole with respective cavities central coaxial line, each screw hole difference
Equipped with the stud being threadedly coupled with it, each stud one end is respectively equipped with respective cavities and its end along the corresponding pressure of sealing rubber ring
Disk, each stud other end are respectively equipped with the handle on rear side of back plate, and each platen edge is equipped with and connects with corresponding sealing rubber ring
The boss of conjunction, the back plate in longitudinal through slot are respectively equipped with the space for the axial movement of corresponding platen, are equipped at the top of foreboard and connect respectively
The upper pipe fitting of logical respective cavities, foreboard bottom are equipped with the lower pipe connection for being respectively communicated with respective cavities, the chamber positioned at foreboard one end
Its lower pipe connection of body is equipped with the corrosion resistant hose for connecting injection or extraction corrosion liquid device, the upper pipe fitting of the cavity and positioned at foreboard
Between the lower pipe connection of middle chamber, the upper pipe fitting of foreboard middle chamber be located at foreboard other end cavity lower pipe connection it
Between be respectively equipped with the corrosion resistant hose for making each cavity serial communication, it is soft that the upper pipe fitting of foreboard other end cavity is equipped with exhaust corrosion resistant
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004496.XU CN208999276U (en) | 2018-06-28 | 2018-06-28 | The detection device of food-grade tinplate inner coating corrosion resistance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004496.XU CN208999276U (en) | 2018-06-28 | 2018-06-28 | The detection device of food-grade tinplate inner coating corrosion resistance |
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| CN208999276U true CN208999276U (en) | 2019-06-18 |
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| CN201821004496.XU Active CN208999276U (en) | 2018-06-28 | 2018-06-28 | The detection device of food-grade tinplate inner coating corrosion resistance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680494A (en) * | 2018-06-28 | 2018-10-19 | 天津市澳玛科技开发有限公司 | Food-grade tinplate inner coating corrosion resistance detection method and its detection device |
-
2018
- 2018-06-28 CN CN201821004496.XU patent/CN208999276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680494A (en) * | 2018-06-28 | 2018-10-19 | 天津市澳玛科技开发有限公司 | Food-grade tinplate inner coating corrosion resistance detection method and its detection device |
| CN108680494B (en) * | 2018-06-28 | 2024-03-26 | 天津市澳玛科技开发有限公司 | Method and device for detecting corrosion resistance of food-grade tinplate inner coating |
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