CN217536226U - Handheld corrosion pen device - Google Patents
Handheld corrosion pen device Download PDFInfo
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- CN217536226U CN217536226U CN202221759392.6U CN202221759392U CN217536226U CN 217536226 U CN217536226 U CN 217536226U CN 202221759392 U CN202221759392 U CN 202221759392U CN 217536226 U CN217536226 U CN 217536226U
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- pen
- corrosion
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- container
- sealing ring
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- 238000005260 corrosion Methods 0.000 title claims abstract description 54
- 230000007797 corrosion Effects 0.000 title claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 87
- 241000180587 Pinnidae Species 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000547 structure data Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A hand-held etching pen device comprises a circulating pump, etching solution, a container, a valve, direct current power supply equipment, an anode clamp, a cathode clamp, a pen core, a pen shell, a liquid absorption gasket and a sealing ring; a fixed tube is arranged inside the pen shell, and the pen core is sleeved in the fixed tube; the inner side of the sealing ring is sleeved outside the lower end of the fixed pipe, a plurality of overflow holes are formed in the outer side of the sealing ring, and the liquid suction gasket is arranged at the lower end of the sealing ring; the corrosion liquid is positioned in the container; the pen shell is provided with a liquid inlet pipe and a liquid outlet pipe on two sides, the liquid inlet pipe is connected with one end of a valve, the other end of the valve is connected with a liquid outlet end of a circulating pump, the liquid inlet end of the circulating pump is connected with a liquid outlet pipe A of a container, and the liquid inlet pipe A of the container is connected with the liquid outlet pipe. This novel corrosive liquid can flow out through the refill lower extreme, and the staff holds the body of a writing brush and can conveniently control the refill lower extreme and contact metal sample board one by one and need corrode the region, and other regions that do not need to corrode of metal sample board can not receive the influence, have improved corrosion efficiency from this, have saved the corrosion cost relatively to brought the facility for the staff.
Description
Technical Field
The utility model relates to the technical field of electrolytic etching equipment, in particular to a handheld etching pen device.
Background
The electrolytic chemical corrosion is widely applied in metallographic sample preparation and semiconductor manufacturing, and is the most common method for displaying metallographic structures, and the corrosion equipment is a carrier for corroding a metal sample plate, and the main structure of the corrosion equipment comprises a container, corrosive liquid in the container, direct current power supply equipment and the like. The operation method comprises the following steps: washing a polished metal sample plate and the like with water or wiping off dirt remained on the surface by using alcohol, then connecting a sample of the sample with the positive electrode of direct-current power supply equipment through an anode power supply clamp, immersing the ground surface of the sample into a corrosive agent, and placing one end or the whole of the sample needing to be corroded in a container of corrosive liquid (for example, 4% nitric acid alcohol and the like, wherein a conductive plate connected with the negative electrode of the direct-current power supply equipment is positioned in the corrosive liquid), so that the polished ground surface gradually loses luster; and immediately washing the sample clean with water after the sample is properly corroded, drying the sample by using filter paper or drying the sample by using a blower, and grinding the sample, thus observing the metallographic structure under a microscope.
The existing corrosion methods have major technical disadvantages due to the limitation of the used equipment, one of which is: by adopting the immersion type corrosion operation method, the corrosion area of a sample to be detected is large, and the area which does not need to be corroded needs to be protected by coating an anti-corrosion material and the like, so that inconvenience is brought to corrosion and subsequent detection work, the corrosion and subsequent detection efficiency is not improved, and the corrosion and detection cost is correspondingly increased. The second step is as follows: the method can prevent a large area of corrosion samples, but the defects of corrosion, low detection efficiency and the like exist in the process of drilling holes in the early stage, and the defects are more obvious when corrosion detection surfaces need more. In summary, it is desirable to provide a pen device that is easy to operate and can conveniently select a sample etching area.
SUMMERY OF THE UTILITY MODEL
In order to overcome the corrosion apparatus that current metal sample plate used and to have had as the background because of the structure limit drawback, the utility model provides an under relevant mechanism combined action, the staff holds the lower extreme that the pen body can conveniently control the refill and need corrode the region through metal sample plate in proper order, and other regions that do not need corrode of metal sample plate can not receive the influence, have improved corrosion efficiency from this, have saved the corruption cost relatively to a hand-held type corrodes a device that has brought the facility for the staff.
The utility model provides a technical scheme that its technical problem adopted is:
a hand-held etching pen device comprises a circulating pump, etching solution, a container, a valve, direct current power supply equipment, an anode clamp, a cathode clamp, a pen core, a pen shell, a liquid absorption gasket and a sealing ring; the direct current power supply device is characterized in that two power supply output ends of the direct current power supply device are respectively and electrically connected with the anode clamp and the cathode clamp; the pen comprises a pen shell, a pen core and a pen core, wherein the pen shell is internally provided with a fixed tube, the pen core is sleeved in the fixed tube, the upper end of the pen core is positioned outside the upper part of the pen shell, the lower end of the pen core is positioned at the inner lower part of the pen shell, and the inner upper part of the pen shell is divided into a left independent space and a right independent space; the inner side of the sealing ring is sleeved outside the lower end of the fixed pipe, a plurality of overflow holes are formed in the outer side of the sealing ring, and the liquid suction gasket is arranged at the lower end of the sealing ring; the anode clamp is clamped at the outer upper end of the pen core, the cathode clamp is clamped at a part of the sample plate which does not need to be corroded, and the corrosion liquid is in the container; the pen is characterized in that a liquid inlet pipe and a liquid outlet pipe are respectively arranged on two sides of the pen shell, the liquid inlet pipe is connected with one end of a valve, the other end of the valve is connected with the liquid outlet end of a circulating pump, the liquid inlet end of the circulating pump is connected with a liquid outlet pipe A of the container, and the liquid inlet pipe A of the container is connected with the liquid outlet pipe.
Furthermore, the pen shell, the fixing tube, the liquid inlet tube, the liquid outlet tube and the valve are made of corrosion-resistant materials; the circulating pump is a corrosion-resistant electric water pump; the sealing ring is made of rubber; the liquid absorbing pad is a sponge.
Furthermore, the pen core is made of corrosion-resistant stainless steel, the anode clamp and the cathode clamp are made of copper materials, and any pen core and metal clamp with good conductivity can be adopted.
Further, the corrosive liquid is a nital solution; the container is made of corrosion-resistant stainless steel materials and can be made of any corrosion-resistant material.
Furthermore, the pen shell is provided with a separation plate at the lower end of the liquid inlet pipe and the liquid outlet pipe, and the outer side end surface of the pen shell is provided with a plurality of anti-skidding teeth.
The utility model has the advantages that: in this novel application, the circulating pump circulation is the pump-in corrosive liquid of pen shell, corrosive liquid gets into the imbibition gasket through seal ring overflow hole flowrate reduction, thus, corrosive liquid can flow out through the refill lower extreme with suitable velocity of flow, the staff holds the lower extreme that body of a pen (pen shell) can conveniently control the refill and contacts the region that metal sample plate need corrode one by one, and other regions that do not need corrode of metal sample plate can not receive the influence, corrosion efficiency has been improved from this, the corrosion cost has been saved relatively, and brought the facility for the staff. To sum up, so the utility model discloses good application prospect has.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall plane structure of the present invention;
FIG. 2 is a schematic view of the overall plane section structure of the present invention;
fig. 3 is a schematic top plan view of the present invention;
Detailed Description
As shown in fig. 1, 2 and 3, a hand-held etching pen device comprises a circulating pump (not shown in the figures), an etching solution (not shown in the figures), a container (not shown in the figures), a valve (not shown in the figures), a direct current power supply device (not shown in the figures), an anode clamp (not shown in the figures), a cathode clamp (not shown in the figures), a pen core 1, a pen shell 2, a liquid absorption gasket 4 and a sealing ring 3; the power input ends of the circulating pump and the direct current power supply equipment are respectively connected in series through a power switch and connected with a 220V power supply through a lead, and the two power output ends of the direct current power supply equipment are respectively connected with the anode clamp and the cathode clamp through leads; an integrally formed hollow fixing tube 21 is arranged in the middle of the inside of the hollow pen shell 2, the lower end of the fixing tube 21 is spaced from a hole in the middle of the lower end of the pen shell 1 by a certain distance (5 mm), a sealing structure is arranged between the upper end of the fixing tube 21 and the upper end of the pen shell 2, the pen core 1 is sleeved in the fixing tube 21 of the pen shell from top to bottom, the lower end of the pen core is spaced from the hole in the middle of the lower end of the pen shell 2 by a certain distance (5 mm gap), a baffle plate 22 which is integrally formed is respectively arranged at the front end and the rear end of the fixing tube 21, and the height of the fixing tube is divided into a left space and a right space which are isolated independently by the baffle plate 22 of the fixing tube; the inner side of an annular hollow sealing ring 3 is tightly sleeved at the lower end of a fixed pipe 21, the outer side end of the annular hollow sealing ring is in a close contact structure with the inner lower end of a pen shell 2, the sealing ring 3 is annularly distributed from top to bottom and provided with a plurality of openings as overflow holes (not shown in the figure, so that corrosive liquid at the left end in the pen shell can downwards flow onto a liquid absorption gasket 4, redundant corrosive liquid enters the right end of the pen shell through the overflow holes at the upper end and the right end of the sealing ring 4), the conical liquid absorption gasket 4 is sleeved at the inner lower end of the pen shell 2 at the lower end of the sealing ring 3, and the lower end of a pen core 1 is positioned in the opening at the middle part of the liquid absorption gasket 4 (the two are attached together); the anode clamp is clamped at the outer upper end of the pen core 1, the cathode clamp is clamped at a position which does not need to be corroded of a sample plate (not shown in the figure), and the corrosion liquid is positioned in the container; the upper portion of the left end and the right end of the pen shell 2 are respectively provided with a liquid inlet pipe 6 and a liquid outlet pipe 7 which are communicated with the left end and the right end inside the pen shell, the outer side of the liquid inlet pipe 6 is connected with one end of a valve through a flexible silica gel hose (not shown in the figure) with certain strength, the other end of the valve is connected with the liquid outlet end of a circulating pump through another silica gel hose, the liquid inlet end of the circulating pump is connected with the liquid outlet pipe A outside the lower end of a container through a third silica gel hose, and the liquid inlet pipe and the liquid outlet pipe 7 outside the upper end of the container are connected through a fourth silica gel hose.
As shown in fig. 1, 2 and 3, the pen casing 2, the fixing tube 21, the partition plate 22, the liquid inlet tube 6 and the liquid outlet tube 7 are made of corrosion-resistant nylon; the shell and the valve core of the valve are made of plastic materials, the circulating pump is a corrosion-resistant small electric self-priming water pump with the model number GH-CLB-100R, and the power is 20W (the height is lower than that of the glass container); the sealing ring 3 is made of rubber; the liquid-absorbing pad 4 is a sponge with a relatively high density; the fixing tube 21, the liquid inlet tube 6, the liquid outlet tube 7, the valve, the sealing ring 3 and the like of the pen shell 2 can also be made of any corrosion-resistant materials. The pen core 1 is made of S304 corrosion-resistant stainless steel, the anode clamp and the cathode clamp are made of copper materials, and any metal clamp with good conductivity can be adopted; the input power supply of the direct current power supply equipment is alternating current 220V, the output is direct current 0-60V, and the output current is 0-20A. The corrosive liquid is 4% nital solution, and the container is made of S304 stainless steel material or any corrosion resistant material (such as glass). The pen shell 2 is provided with a round isolation plate 8 (which has a limiting effect on the hand of an operator) at the lower end of the liquid inlet pipe 6 and the liquid outlet pipe 7, and the outer side end surface of the pen shell 2 is provided with a plurality of anti-skid protrusions serving as anti-skid teeth (which is convenient for the operator to hold).
Fig. 1, 2, and 3 show, in the novel application, the staff washes the polished metal sample plate with water or wipes off the residual dirt on the surface with alcohol, respectively fix the anode clamp and the cathode clamp in place, then open the power of the circulating pump and the dc power supply device, then contact the lower end of the pen casing 2 with the position of the sample plate to be corroded (the pen core is positively charged, the sample plate is negatively charged), the circulating pump is electrified to work and then draw out the corrosive liquid in the container (the opening and closing degree of the valve core of the adjusting valve can adjust the output flow of the corrosive liquid), the corrosive liquid enters the left end of the pen casing 6 through the liquid inlet pipe 6 of the pen casing, the corrosive liquid enters the liquid absorbing gasket 4 through the overflow hole of the sealing ring 3, the corrosive liquid saturated by the circulating pump is flowed out through the openings of the pen casing 2 at the lower end of the pen core 1 and the liquid absorbing gasket 4, acts on the corroded position on the sample plate to be corroded (the pen core provides the dc positive power supply and the negative pole interaction of the sample plate for the corrosive liquid, the sample to be corroded, the sample plate, the pen casing reaches the negative pole interaction of the liquid absorbing gasket 7, and the purpose of the corrosive liquid is achieved. After corrosion, the polished ground surface of the corrosion part of the sample plate gradually loses luster, the sample is washed clean by water immediately after being corroded properly, the ground surface of the sample is dried by filter paper or a blower, and the sample can be placed under a microscope to observe metallographic structures. Other areas that need not corrode of this novel metal sample board can not receive the influence, have improved corrosion efficiency from this, have saved the corruption cost relatively to brought the facility for the staff. The electrolytic corrosion background of the present invention is introduced as follows, the electrolytic action of the corrosive liquid and the DC power supply equipment has little corrosion to the pure metal, but when the second metal phase exists in the pure metal, the electrochemical corrosion can occur at the contact surface of the second metal phase and the metal due to the potential difference, a pit is corroded to achieve the corrosion purpose, in the subsequent detection, under the microscope light mirror, the light without the corrosion pit is completely reflected back to be white, the light with the corrosion pit is scattered away, the brightness is very small, the contrast is formed in the visual field, namely, the black and white is provided, and the metallographic structure data of the sample plate is further obtained.
The fundamental principles and essential features of the invention and the advantages thereof have been shown and described above, it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (5)
1. A hand-held type corrosion pen device comprises a circulating pump, corrosion liquid, a container, a valve, direct current power supply equipment, an anode clamp, a cathode clamp, a pen core, a pen shell, a liquid absorption gasket and a sealing ring; the direct current power supply device is characterized in that two power supply output ends of the direct current power supply device are respectively and electrically connected with the anode clamp and the cathode clamp; the pen comprises a pen shell, a pen core and a pen core, wherein the pen shell is internally provided with a fixed tube, the pen core is sleeved in the fixed tube, the upper end of the pen core is positioned outside the upper part of the pen shell, the lower end of the pen core is positioned at the inner lower part of the pen shell, and the inner upper part of the pen shell is divided into a left independent space and a right independent space; the inner side of the sealing ring is sleeved outside the lower end of the fixing pipe, a plurality of overflow holes are formed in the outer side of the sealing ring, and the liquid suction gasket is arranged at the lower end of the sealing ring; the anode clamp is clamped at the outer upper end of the pen core, the cathode clamp is clamped at a position, which does not need to be corroded, of the sample plate, and the corrosion liquid is in the container; the pen is characterized in that a liquid inlet pipe and a liquid outlet pipe are respectively arranged on two sides of the pen shell, the liquid inlet pipe is connected with one end of a valve, the other end of the valve is connected with the liquid outlet end of a circulating pump, the liquid inlet end of the circulating pump is connected with a liquid outlet pipe A of the container, and the liquid inlet pipe A of the container is connected with the liquid outlet pipe.
2. The hand-held corrosion pen device according to claim 1, wherein the pen housing and the stationary tube, the liquid inlet tube, the liquid outlet tube, and the valve are made of corrosion-resistant materials; the circulating pump is a corrosion-resistant electric water pump; the sealing ring is made of rubber; the liquid absorbing pad is a sponge.
3. The hand-held corrosion pen device according to claim 1, wherein the pen core is made of corrosion-resistant stainless steel, the anode clip and the cathode clip are made of copper, and any pen core and metal clip with good conductivity can be used.
4. The hand-held corrosion pen device according to claim 1, wherein the corrosion liquid is a nital solution; the container is made of corrosion-resistant stainless steel materials and can be made of any corrosion-resistant material.
5. The hand-held etching pen device of claim 1, wherein the pen casing is provided with a partition plate at the lower end of the liquid inlet pipe and the liquid outlet pipe, and the outer end surface of the pen casing is provided with a plurality of anti-slip teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221759392.6U CN217536226U (en) | 2022-07-08 | 2022-07-08 | Handheld corrosion pen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221759392.6U CN217536226U (en) | 2022-07-08 | 2022-07-08 | Handheld corrosion pen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217536226U true CN217536226U (en) | 2022-10-04 |
Family
ID=83423383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221759392.6U Active CN217536226U (en) | 2022-07-08 | 2022-07-08 | Handheld corrosion pen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217536226U (en) |
-
2022
- 2022-07-08 CN CN202221759392.6U patent/CN217536226U/en active Active
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