CN103487312B - Sample inlaying device - Google Patents
Sample inlaying device Download PDFInfo
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- CN103487312B CN103487312B CN201310481344.4A CN201310481344A CN103487312B CN 103487312 B CN103487312 B CN 103487312B CN 201310481344 A CN201310481344 A CN 201310481344A CN 103487312 B CN103487312 B CN 103487312B
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- box
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- inlaying
- shielding box
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Abstract
The invention discloses a kind of sample inlaying device and sample method for embedding, described sample inlaying device comprises: inlay box, and the bottom of inlaying box has the groove for holding sample; First shielding box, is arranged on the sidepiece inlaying box, and the first shielding box has the first opening, and described first opening surface, to the sidewall inlaying box, is provided with electromagnet in the first shielding box, and the magnetic field of electromagnet is diffused into the first shielding box outside by the first opening; And secondary shielding box, be arranged on the below of inlaying box, secondary shielding box has the second opening, and described second opening, corresponding to the groove inlaying box, is provided with kicker magnet in secondary shielding box, and it is outside that kicker magnet magnetic field is diffused into secondary shielding box by the second opening.The magnetic field intensity of electromagnet is variable, and the first shielding box and the relative position inlayed between box are adjustable.
Description
Technical field
The present invention relates to a kind of sample inlaying device, more particularly, relate to a kind of sample inlaying device that easily can adjust the angle of inclination of sample.
Background technology
In ferrous materials metal lographic examination and failure analysis work, if sample too carefully thin (as thin plate, thin wire, tubule material etc.) or sample is excessively soft, frangible, maybe need to check edge tissues or the sample for ease of grinding in automatic polishing and buffing machine, inlay sample by certain method that need adopt.Wherein, method for embedding comprises heat edge and cold edge.For the sample of failure analysis, the selection of method for embedding is even more important.Usually, in order to not change the tissue morphology at failure analysis position, the cold edge of general selection, is namely equipped with a certain proportion of hardening agent diethylamine with epoxy resin, places after several hours just curable in atmosphere.
In the routine inspection in laboratory, some needs the metal covering of inspection and contiguous parent metal face not in one plane, but presents certain pitch angle.Therefore, if processed by common mosaic technology, the image results obtained is often smudgy, can not clearly illustrate the situation of sample.
Fig. 1 show use in prior art inlay box, this inlays the little square box of uncovered that box 100 is made for PP material.Generally steel sample 120 to be checked is vertically placed when inlaying steel sample, the sample of sample to be checked is faced down, is placed in little square box.If sample face is too small, vertically cannot place, then adopt treating that a steel sample 130 with one fixed width is respectively placed as support in both sides, sample face, sample to be checked is placed in middle, then carry out follow-up inlaying, solidification work.But, if the sample face for the treatment of of above-mentioned most failure analysis and matrix transverse direction or longitudinal surface be not or not a plane, carry out inlaying if still utilize this to inlay box, there will be the ambiguous result of said result above.Therefore, thisly inlay the needs that box cannot meet actual experiment, thus in actual application, receive restriction.
Summary of the invention
An aspect of of the present present invention provides a kind of sample inlaying device, and described sample inlaying device comprises: inlay box, and the bottom of inlaying box has the groove for holding sample; First shielding box, is arranged on the sidepiece inlaying box, and the first shielding box has the first opening, and described first opening surface, to the sidewall inlaying box, is provided with electromagnet in the first shielding box, and the magnetic field of electromagnet is diffused into the first shielding box outside by the first opening; And secondary shielding box, be arranged on the below of inlaying box, secondary shielding box has the second opening, described second opening is corresponding to the groove inlaying box, be provided with kicker magnet in secondary shielding box, it is outside that kicker magnet magnetic field is diffused into secondary shielding box by the second opening, wherein, the magnetic field intensity of electromagnet is variable, and the first shielding box and the relative position inlayed between box are adjustable.
According to a further aspect in the invention, described sample inlaying equipment also can comprise moveable platform, and the first shielding box can be arranged on described moveable platform, and moveable platform moves the relative position changing the first shielding box and inlay between box.
According to a further aspect in the invention, in the driving circuit of electromagnet, variable resistance box can be comprised, to be adjusted the magnetic field intensity of electromagnet by the electric current changed in electromagnet.
According to a further aspect in the invention, the first shielding box and secondary shielding box can be made up of silicon steel, to shield the magnetic field of electromagnet or the kicker magnet be contained in wherein.
Another aspect of the present invention discloses a kind of sample method for embedding, and the method comprises the steps: sample to be placed in the groove inlayed bottom box, utilizes the kicker magnet be arranged in the secondary shielding box inlayed bottom box that sample is adsorbed onto and inlays bottom box; Epoxy resin and hardening agent is added to inlaying in box; Adjustment sample angle of inclination, make to be detected of sample parallel with the basal surface inlaying box; Adjustment is arranged on position and/or the magnetic field intensity of the electromagnet in the first shielding box of the side of inlaying box, enables sample stably remain on the angle of inclination of adjusting; And after epoxy resin cure, remove the first shielding box and secondary shielding box, inlay to complete sample.
According to a further aspect in the invention, the magnetic field intensity of electromagnet is adjusted by the electric current changed in electromagnet.
According to a further aspect in the invention, the first shielding box and secondary shielding box can be made up of silicon steel, to shield the magnetic field of electromagnet or the kicker magnet be contained in wherein.
According to a further aspect in the invention, the first shielding box and secondary shielding box all can have towards the opening inlaying box, are diffused into the outside of the first shielding box and secondary shielding box with the magnetic field making to be contained in electromagnet wherein or kicker magnet.
Utilize according to sample inlaying device of the present invention and method for embedding, in the process of inlaying, the defect sample inclination certain angle cut can be inlayed, namely keep this angle constant in the certain hour before epoxy resin cure, with guarantee to be detected of sample parallel with tessellation level face, just observing the metal covering needing inspection after can grinding inlaying sample better, obtaining more truly, experimental result clearly.
Accompanying drawing explanation
By the description to embodiment carried out below in conjunction with accompanying drawing, above-mentioned and/or other objects of the present invention and advantage will become apparent, wherein:
Fig. 1 is the schematic diagram inlaying box used in prior art;
Fig. 2 is the perspective schematic view of inlaying box used in sample inlaying device according to an exemplary embodiment of the present invention;
Fig. 3 is the perspective schematic view of the secondary shielding box used in sample inlaying device according to an exemplary embodiment of the present invention;
Fig. 4 is the stressing conditions schematic diagram of sample to be checked according to an exemplary embodiment of the present invention in sample inlaying device.
Embodiment
In more detail the present invention is described below with reference to accompanying drawings, exemplary embodiment of the present invention shown in the drawings.But, provide these embodiments to be only used to describe the present invention, instead of for restriction object of the present invention.On the contrary, provide these embodiments to make the disclosure to be thoroughly with complete, and scope of the present invention will be conveyed to those skilled in the art fully.
Fig. 2 is the perspective schematic view of inlaying box used in sample inlaying device according to an exemplary embodiment of the present invention.Fig. 3 is the perspective schematic view of the secondary shielding box used in sample inlaying device according to an exemplary embodiment of the present invention.
With reference to Fig. 2 and Fig. 3, sample inlaying device comprises according to an exemplary embodiment of the present invention: inlay box 210, and the bottom of inlaying box 210 has the groove 215 for holding sample; First shielding box (not shown), be arranged on the sidepiece inlaying box 210, the first shielding box has the first opening, and described first opening surface is to the sidewall inlaying box 210, be provided with electromagnet in first shielding box, the magnetic field of electromagnet is diffused into the first shielding box outside by the first opening; Secondary shielding box 220, be arranged on the below of inlaying box 120, secondary shielding box 220 has the second opening 225, described second opening 225 is corresponding to the groove 215 inlaying box 210, be provided with kicker magnet 300 in secondary shielding box 220, the magnetic field of kicker magnet 300 is diffused into secondary shielding box 220 outside by the second opening 225.
According to present example of the present invention, the magnetic field intensity of electromagnet is variable, and the first shielding box and the relative position inlayed between box are adjustable.Such as, in one embodiment, sample inlaying equipment also can comprise moveable platform (not shown), and the first shielding box is arranged on described moveable platform, and moveable platform moves the relative position changing the first shielding box and inlay between box.In another embodiment, in the driving circuit of electromagnet, can variable resistance box be comprised, thus the magnetic field intensity of electromagnet can be adjusted by the electric current changed in electromagnet.
First shielding box and secondary shielding box can be made up of silicon steel, thus can shield the magnetic field of electromagnet or the kicker magnet arranged in the first shielding box and secondary shielding box.Therefore, by arranging the first shielding box and secondary shielding box, magnetic field can be made to be diffused into the first shielding box and secondary shielding box outside, therefore, it is possible to avoid magnetic field to have an impact to sample inlaying device by means of only the opening be arranged on the first shielding box and secondary shielding box.
Inlay box 210 to be formed by transparent PP resin, when carrying out sample and inlaying, can by epoxy resin and and hardening agent mixing after join and inlay in box 210.After after a while, epoxy resin cure, therefore can be embedded in sample securely and inlay in box.
As shown in Figures 2 and 3, inlaying box 210, secondary shielding box 220 and the first shielding box can be separated from each other, and therefore can store respectively and transport.When needs use sample inlaying device carry out sample inlay time, they can be grouped together, thus form sample inlaying device.
A kind of method for embedding of sample is described below in conjunction with exemplary embodiment of the present invention.According to exemplary embodiment of the present invention, a kind of sample method for embedding can comprise the steps: sample to be placed in the groove inlayed bottom box, utilizes the kicker magnet be arranged in the secondary shielding box inlayed bottom box that sample is adsorbed onto and inlays bottom box; Epoxy resin and hardening agent is added to inlaying in box; Adjustment sample angle of inclination, make to be detected of sample parallel with the basal surface inlaying box; Adjustment is arranged on position and/or the magnetic field intensity of the electromagnet in the first shielding box of the side of inlaying box, enables sample stably remain on the angle of inclination of adjusting; After epoxy resin cure, remove the first shielding box and secondary shielding box, inlay to complete sample.
According to current embodiment, the feature that the magnetic field force that the magnetic effect of electric current can be utilized to produce and iron, cobalt, nickel, dysprosium or its alloy steel can be softened, and then utilize the size adjustment of the acting force between magnetic field sample to be checked inlay angle of inclination.
More particularly, according to one embodiment of present invention, form electromagnetic control device using sample inlaying device as main member, this electromagnetic control device can comprise with lower part: the loop comprising the assemblies such as transformation, rectification, filter stream, and this loop is referred to as the first loop; Comprise the loop of touch variable rheostat, electromagnet, switch etc., be referred to as second servo loop; Magnetize the kicker magnet of sample to be checked; Two, electromagnetic screen box with opening; PP is transparent inlays box.
Wherein, the first loop is used for 220V AC power to change into low-voltage dc power supply for second servo loop.Second servo loop is then the resistance sizes by regulating variable rheostat, change the size of current in loop, thus reach the object utilizing electromagnet to produce different magnetic field power size, meet to treat and inspect the needs that sample produces different attractive force size, regulate the angle of inclination of sample to be checked with this.First loop and second servo loop are integrally placed in the big envelope of a band display screen, and there is an opening allowing solenoid part magnetic field to appear big envelope side.The size controlling variable rheostat resistance and the numerical value showing electric current, voltage is tapped by display screen.This big envelope entirety is placed on a height-adjustable chain-wales, i.e. big envelope height adjustable.In addition, except regulating height, also by adjust this big envelope and inlay between box distance to adjust the size of the magnetic field force between electromagnet and sample, thus meet and treat and inspect the needs that sample produces different attractive force size, regulate the angle of inclination of sample to be checked with this.Kicker magnet is in order to fast-magnetic sample to be checked, and is firmly attracted one end of sample to be checked.Electromagnetic screen box comprises the secondary shielding box in first shielding box in most of magnetic field that shielded electromagnet produces and most of magnetic field of shielding kicker magnet generation, two shielding boxs are all with towards the opening inlaying box, and the part in the magnetic field allowing it to wrap up is through shielding box.Wherein, be also configured with kicker magnet in secondary shielding box, kicker magnet magnetic pole one end is vertically placed on secondary shielding box bottom, and another is rectified shielding box opening by its magnetic pole.PP is transparent inlays the plastic casing that box is a uncovered, and there is an outstanding elongated slot its bottom, is used for placing sample to be checked, and is treated that sample faces down, conveniently inlay grinding of rear sample.
According to exemplary embodiment of the present invention, kicker magnet can be utilized firmly to attract in the transparent box of band groove by its one end after sample magnetization to be checked, the other end is then by the oblique attraction in magnetic field that electromagnet produces, by the angle of inclination regulating the size of electromagnetic force to regulate sample to be checked, reach and arbitrarily change the object that the angle of sample face and surface level treated by sample to be checked, thus facilitate the observation of experimental result.Wherein, the stressed schematic diagram of sample to be checked as shown in Figure 4.
With reference to Fig. 4, schematically show sample 250 with black circle.In mosaic process, after epoxy resin and hardening agent and sample being all placed into and inlaying in box, sample 250 is mainly subject to himself gravity G, from epoxy resin pressure P and be arranged on the gravitation M1 of kicker magnet of the bottom of inlaying box.Now, after sample 250 is adjusted to suitable angle of inclination, electromagnet is utilized to apply gravitation M2 to sample.At this moment, sample 250 is also subject to gravitation M2 and from the anchorage force S inlaying box wall.In this case, the size of adjustment gravitation M2, can make sample 250 be in stress balance state, thus can keep its position on condition that an external force is not applied, thus complete inlaying of sample after the epoxy resin is cured.
More particularly, in one exemplary embodiment, can transparent for the PP groove part inlaying box be placed in the perforate of secondary shielding box, by to be checked for sample to be checked face down to be placed in inlay in box, now sample is firmly held by strong magnet, then adds appropriate certain epoxy resin of proportioning and the potpourri of hardening agent to inlaying in box.Then, the sample face tilt of manual adjustments sample is to the angle needed and with a hand steered firmly sample.Then, regulate the movable stand of shelving the big envelope comprising electromagnet to specimen height to be checked position over half (but highly unsuitable too high, otherwise the attractive force of electromagnetic force to sample is too small).Open general supply, slowly regulate the resistance of variable rheostat, namely change the magnetic field force size that electromagnet produces, thus the magnetic field force that change electromagnet produces is to the attractive force size of sample.Attempt decontroling the hand buttressing sample while regulating variable rheostat resistance, if sample has slight mobile, continue slowly to regulate variable rheostat resistance, until sample remains on the position transfixion of needs.
Therefore, according to embodiments of the invention, in the process of inlaying, the certain angle that sample can be tilted is inlayed, namely keep this angle constant in the certain hour before epoxy resin cure, thus can guarantee that the surface to be detected of sample is parallel with tessellation level face, observing the metal covering needing inspection after therefore can grinding inlaying sample better, obtaining more truly, experimental result clearly.
Describe the present invention with reference to exemplary embodiment, but those skilled in the art are to be understood that, without departing from the spirit and scope of the present invention, can carry out various amendment and change to exemplary embodiment disclosed herein, scope of the present invention is by claims and equivalents thereof.
Claims (8)
1. a sample inlaying device, described sample inlaying device comprises:
Inlay box, the bottom of inlaying box has the groove for holding sample;
First shielding box, is arranged on the sidepiece inlaying box, and the first shielding box has the first opening, and described first opening surface, to the sidewall inlaying box, is provided with electromagnet in the first shielding box, and the magnetic field of electromagnet is diffused into the first shielding box outside by the first opening; And
Secondary shielding box, is arranged on the below of inlaying box, and secondary shielding box has the second opening, and described second opening, corresponding to the groove inlaying box, is provided with kicker magnet in secondary shielding box, and it is outside that kicker magnet magnetic field is diffused into secondary shielding box by the second opening,
Wherein, the magnetic field intensity of electromagnet is variable, and the first shielding box and the relative position inlayed between box are adjustable.
2. sample inlaying device as claimed in claim 1, described sample inlaying device also comprises moveable platform, and the first shielding box is arranged on described moveable platform, and moveable platform moves the relative position changing the first shielding box and inlay between box.
3. sample inlaying device as claimed in claim 1, wherein, the driving circuit of electromagnet comprises variable resistance box, to be adjusted the magnetic field intensity of electromagnet by the electric current changed in electromagnet.
4. sample inlaying device as claimed in claim 1, wherein, the first shielding box and secondary shielding box are made up of silicon steel, to shield the magnetic field of electromagnet or the kicker magnet be contained in wherein.
5. a sample method for embedding, the method comprises the steps:
Sample is placed in the groove inlayed bottom box, utilizes the kicker magnet be arranged in the secondary shielding box inlayed bottom box that sample is adsorbed onto and inlay bottom box;
Epoxy resin and hardening agent is added to inlaying in box;
Adjustment sample angle of inclination, make to be detected of sample parallel with the basal surface inlaying box;
Adjustment is arranged on position and/or the magnetic field intensity of the electromagnet in the first shielding box of the side of inlaying box, enables sample stably remain on the angle of inclination of adjusting; And
After epoxy resin cure, remove the first shielding box and secondary shielding box, inlay to complete sample.
6. method as claimed in claim 5, wherein, adjusts the magnetic field intensity of electromagnet by the electric current changed in electromagnet.
7. method as claimed in claim 5, wherein, the first shielding box and secondary shielding box are made up of silicon steel, to shield the magnetic field of electromagnet or the kicker magnet be contained in wherein.
8. method as claimed in claim 7, the first shielding box and secondary shielding box all have towards the opening inlaying box, are diffused into the outside of the first shielding box and secondary shielding box with the magnetic field making to be contained in electromagnet wherein or kicker magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481344.4A CN103487312B (en) | 2013-10-15 | 2013-10-15 | Sample inlaying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481344.4A CN103487312B (en) | 2013-10-15 | 2013-10-15 | Sample inlaying device |
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| CN103487312A CN103487312A (en) | 2014-01-01 |
| CN103487312B true CN103487312B (en) | 2016-02-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105067416B (en) * | 2015-09-21 | 2017-08-04 | 核工业理化工程研究院 | Adjustable sample is inlayed the cold insert of the metallographic of position and angle and put |
| CN108593406B (en) * | 2018-04-20 | 2020-06-30 | 南京溧水高新创业投资管理有限公司 | Cold-mosaic sample preparation device and operation method thereof |
| CN109813589B (en) * | 2018-12-28 | 2021-04-13 | 江苏省沙钢钢铁研究院有限公司 | Sheet metallographic hot embedding method |
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