CN103487312A - Specimen embedding device - Google Patents
Specimen embedding device Download PDFInfo
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- CN103487312A CN103487312A CN201310481344.4A CN201310481344A CN103487312A CN 103487312 A CN103487312 A CN 103487312A CN 201310481344 A CN201310481344 A CN 201310481344A CN 103487312 A CN103487312 A CN 103487312A
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Abstract
The invention discloses a specimen embedding device and method. The specimen embedding device comprises an embedding box, a first shielding box, and a second shielding box, wherein a groove for accommodating a specimen is formed in the bottom of the embedding box; the first shielding box is arranged on the side part of the embedding box and is provided with a first opening; the first opening faces the side wall of the embedding box; an electromagnet is arranged in the first shielding box; the magnetic field of the electromagnet expands outside the first shielding box through the first opening; the second shielding box is arranged below the embedding box and is provided with a second opening; the second opening corresponds to the groove of the embedding box; a strong magnet is arranged in the second shielding box; the magnetic field of the strong magnet expands outside the second shielding box through the second opening. The magnetic field intensity of the electromagnet is variable; moreover, the relative position between the first shielding box and the embedding box is 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 can easily adjust the angle of inclination of sample.
Background technology
In ferrous materials metal lographic examination and failure analysis work, if sample is 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 on polishing and buffing machine automatically too carefully, need the certain method adopted to be inlayed sample.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 not change the tissue morphology at failure analysis position, generally select cold edge, with epoxy resin, be equipped with a certain proportion of hardening agent diethylamine, place after several hours just curable in air.
In the routine inspection in laboratory, some metal covering that need to check and contiguous parent metal face not in one plane, but present certain pitch angle.Therefore, if processed by common mosaic technology, the picture result obtained is often smudgy, can not clearly illustrate the situation of sample.
Fig. 1 shows the box of inlaying used in prior art, and this inlays the little square box of uncovered that box 100 is made for the PP material.Generally steel sample 120 to be checked is vertically placed while inlaying the steel sample, the sample of sample to be checked is faced down, be placed in little square box.If the sample face is too small, can't vertically place, adopt treating that sample face both sides respectively place a steel sample with one fixed width 130 as supporting, sample to be checked is placed in to middle, then carry out the follow-up work of inlaying, solidify.But, as the sample face for the treatment of of above-mentioned most failure analyses and matrix laterally or longitudinal surface not on a plane, inlayed and be there will be the ambiguous result of top said result if still utilize this to inlay box.Therefore, thisly inlay the needs that box can't meet actual experiment, thereby receive restriction in actual application.
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, the bottom of inlaying box has for holding the groove of sample; The first shielding box, be arranged on the sidepiece of inlaying box, and the first shielding box has the first opening, and described the first opening surface, to inlaying the sidewall of 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, the secondary shielding box has the second opening, described the second opening is corresponding to the groove of inlaying box, be provided with kicker magnet in the secondary shielding box, kicker magnet magnetic field is diffused into secondary shielding box outside 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 to change the first shielding box and inlays the relative position between box.
According to a further aspect in the invention, in the driving circuit of electromagnet, can comprise variable resistance box, adjust the magnetic field intensity of electromagnet with the electric current by the change electromagnet.
According to a further aspect in the invention, the first shielding box and secondary shielding box can be made by silicon steel, with shielding, are contained in electromagnet wherein or the magnetic field of kicker magnet.
Another aspect of the present invention discloses a kind of sample method for embedding, and the method comprises the steps: sample is placed in the groove of inlaying the box bottom, utilizes the kicker magnet be arranged in the secondary shielding box of inlaying the box bottom that sample is adsorbed onto and inlays the box bottom; Add epoxy resin and hardening agent to inlaying in box; Adjust the angle of inclination of sample, make to be detected of sample parallel with the basal surface of inlaying box; Adjustment is arranged on position and/or the magnetic field intensity of the electromagnet in the first shielding box of a side of inlaying box, makes sample can stably remain on the angle of inclination of adjusting; And, after epoxy resin cure, remove the first shielding box and secondary shielding box, to complete sample, inlay.
According to a further aspect in the invention, can adjust by the electric current in the change electromagnet magnetic field intensity of electromagnet.
According to a further aspect in the invention, the first shielding box and secondary shielding box can be made by silicon steel, with shielding, are contained in electromagnet wherein or the magnetic field of kicker magnet.
According to a further aspect in the invention, the first shielding box and secondary shielding box all can have towards the opening of inlaying box, so that be contained in the outside that the magnetic field of electromagnet wherein or kicker magnet is diffused into the first shielding box and secondary shielding box.
Utilization is 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, in the certain hour before epoxy resin cure, keep this angle constant, parallel with the tessellation level face to guarantee to be detected of sample, just can observe better the metal covering that needs check after inlaying sample and grinding, obtain more truly, experimental result clearly.
The accompanying drawing explanation
By the description to embodiment of carrying out below in conjunction with accompanying drawing, above-mentioned and/or other purposes of the present invention and advantage will become apparent, wherein:
Fig. 1 is the schematic diagram of inlaying box used in prior art;
Fig. 2 is the perspective schematic view of inlaying box of using in the sample inlaying device according to an exemplary embodiment of the present invention;
Fig. 3 is the perspective schematic view of the secondary shielding box that uses in the 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 the sample inlaying device.
Embodiment
The present invention is described below with reference to accompanying drawings in more detail, exemplary embodiment of the present invention shown in the drawings.Yet it is only in order to describe the present invention that these embodiment are provided, rather than for restriction purpose of the present invention.On the contrary, providing these embodiment to make the disclosure will be thoroughly with complete, and will convey to fully those skilled in the art to scope of the present invention.
Fig. 2 is the perspective schematic view of inlaying box of using in the sample inlaying device according to an exemplary embodiment of the present invention.Fig. 3 is the perspective schematic view of the secondary shielding box that uses in the sample inlaying device according to an exemplary embodiment of the present invention.
With reference to Fig. 2 and Fig. 3, the sample inlaying device comprises according to an exemplary embodiment of the present invention: inlay box 210, the bottom of inlaying box 210 has the groove 215 for holding sample; The first shielding box (not shown), be arranged on the sidepiece of inlaying box 210, the first shielding box has the first opening, and described the first opening surface is to inlaying the sidewall of box 210, be provided with electromagnet in the 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 the second opening 225 is corresponding to the groove 215 of 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 outsides by the second opening 225.
According to current embodiment 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.For example, in one embodiment, the sample inlaying equipment also can comprise the moveable platform (not shown), and the first shielding box is arranged on described moveable platform, and moveable platform moves to change the first shielding box and inlays the relative position between box.In another embodiment, in the driving circuit of electromagnet, variable resistance box can be comprised, thereby the magnetic field intensity of electromagnet can be adjusted by the electric current in the change electromagnet.
The first shielding box and secondary shielding box can be made by silicon steel, thereby can shield the electromagnet that arranges in the first shielding box and secondary shielding box or the magnetic field of kicker magnet.Therefore, by the first shielding box and secondary shielding box are set, can make magnetic field only by the opening be arranged on the first shielding box and secondary shielding box, be diffused into the first shielding box and secondary shielding box outside, therefore can avoid magnetic field to exert an influence to the sample inlaying device.
Inlaying box 210 can be formed by transparent PP resin, is carrying out sample while inlaying, can by epoxy resin and and hardening agent join after mixing and inlay in box 210.After after a while, epoxy resin cure, therefore can be embedded in sample to inlay in box securely.
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 carry out sample while inlaying with the sample inlaying device, they can be grouped together, thereby form the 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 is placed in the groove of inlaying the box bottom, utilizes the kicker magnet be arranged in the secondary shielding box of inlaying the box bottom that sample is adsorbed onto and inlays the box bottom; Add epoxy resin and hardening agent to inlaying in box; Adjust the angle of inclination of sample, make to be detected of sample parallel with the basal surface of inlaying box; Adjustment is arranged on position and/or the magnetic field intensity of the electromagnet in the first shielding box of a side of inlaying box, makes sample can stably remain on the angle of inclination of adjusting; After epoxy resin cure, remove the first shielding box and secondary shielding box, to complete sample, inlay.
According to current embodiment, the characteristics that the magnetic field force that can utilize the magnetic effect of electric current to produce and iron, cobalt, nickel, dysprosium or its alloy steel can be softened, and then utilize the acting force between magnetic field size adjustment sample to be checked inlay angle of inclination.
More particularly, according to one embodiment of present invention, the sample inlaying device of usining forms electromagnetic control device as main member, and this electromagnetic control device can comprise following part: the ，Ci loop, loop that comprises the assemblies such as transformation, rectification, filter stream is referred to as the first loop; The loop that comprises touch variable rheostat, electromagnet, switch etc., be referred to as second servo loop; Magnetize the kicker magnet of sample to be checked; With two, the electromagnetic screen box of opening; The transparent box of inlaying of PP.
Wherein, the first loop is for changing into low-voltage dc power supply for second servo loop by the 220V AC power.Second servo loop is by regulating the resistance sizes of variable rheostat, change the size of current in loop, thereby reach the purpose of utilizing electromagnet to produce different magnetic field power size, meet to treat and inspect the needs that sample produces different attractive force sizes, with this, regulate the angle of inclination of sample to be checked.The first loop and second servo loop are done as a whole being placed in a big envelope with display screen, and there is an opening that allows electromagnet part magnetic field to appear the big envelope side.Put the size and the numerical value that shows electric current, voltage of touch-control variable rheostat resistance processed by display screen.This big envelope integral body is placed on a height-adjustable chain-wales, and the big envelope height is adjustable.In addition, except regulating height, also can adjust the size of the magnetic field force between electromagnet and sample by the distance of adjusting this big envelope and inlay between box, thereby meet to treat, inspect the needs that sample produces different attractive force sizes, with this, regulate the angle of inclination of sample to be checked.Kicker magnet is for fast-magnetic sample to be checked, and an end of sample to be checked is firmly attracted.The electromagnetic screen box comprises first shielding box in most of magnetic field that shielded electromagnet produces and the secondary shielding box in most of magnetic field that the shielding kicker magnet produces, two shielding boxs, all with the opening towards inlaying box, allow the part in the magnetic field of its parcel to see through shielding box.Wherein, also dispose kicker magnet in the secondary shielding box, kicker magnet magnetic pole one end vertically is placed on secondary shielding box bottom, and by its magnetic pole other end over against the shielding box opening.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 it is treated to sample faces down, and conveniently inlays grinding of rear sample.
According to exemplary embodiment of the present invention, can utilize kicker magnet after sample magnetization to be checked, the one end firmly to be attracted in the transparent box with groove, the oblique attraction in the magnetic field that the other end is produced by electromagnet, regulate the angle of inclination of sample to be checked by the size of regulating electromagnetic force, reach random change sample to be checked and treat the purpose of the angle of sample face and surface level, thereby facilitated 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, with black circle, schematically show sample 250.In mosaic process, after epoxy resin and hardening agent and sample all are placed into inlay in box, sample 250 mainly is subject to himself gravity G, from the pressure P of epoxy resin and the gravitation M1 that is arranged on the kicker magnet of the bottom of inlaying box.Now, after sample 250 is adjusted to suitable angle of inclination, utilize electromagnet to apply gravitation M2 to sample.At this moment, sample 250 also is subject to gravitation M2 and from the anchorage force S that inlays the box wall.In this case, adjust the size of gravitation M2, can make sample 250 in the stress balance state, thereby can keep its position in the situation that do not apply external force, thereby complete inlaying of sample after epoxy resin cure.
More particularly, in one exemplary embodiment, the transparent groove part of inlaying box of PP can be placed in the perforate of secondary shielding box, by sample to be checked to be checked face down to be placed in inlay in box, now sample is firmly held by strong magnet, then adds the appropriate necessarily epoxy resin of proportioning and the potpourri of hardening agent to inlaying in box.Then, the angle that the sample face tilt of manual adjustments sample extremely needs is also with a hand steered firmly sample.Then, regulate shelve the big envelope that comprises electromagnet movable stand to specimen height to be checked position over half (but highly unsuitable too high, otherwise electromagnetic force is too small to the attractive force of sample).Open general supply, slowly regulate the resistance of variable rheostat, change the magnetic field force size that electromagnet produces, thereby change the attractive force size of the magnetic field force of electromagnet generation to sample.When regulating the variable rheostat resistance, attempt decontroling the hand that buttresses sample, if sample has slight movement to continue slowly to regulate the variable rheostat resistance, until sample remains on the position transfixion needed.
Therefore, according to embodiments of the invention, in the process of inlaying, the certain angle that sample can be tilted is inlayed, in the certain hour before epoxy resin cure, keep this angle constant, thereby the surface to be detected that can guarantee sample is parallel with the tessellation level face, therefore can after inlaying sample and grinding, observe better the metal covering that needs check, obtain more truly, experimental result clearly.
With reference to exemplary embodiment, the present invention has been described, yet 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 modifications and change to exemplary embodiment disclosed herein, scope of the present invention is limited by claims and equivalent thereof.
Claims (8)
1. a sample inlaying device, described sample inlaying device comprises:
Inlay box, the bottom of inlaying box has for holding the groove of sample;
The first shielding box, be arranged on the sidepiece of inlaying box, and the first shielding box has the first opening, and described the first opening surface, to inlaying the sidewall of 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
The secondary shielding box, be arranged on the below of inlaying box, and the secondary shielding box has the second opening, and described the second opening, corresponding to the groove of inlaying box, is provided with kicker magnet in the secondary shielding box, and kicker magnet magnetic field is diffused into secondary shielding box outside 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 equipment as claimed in claim 1, described sample inlaying equipment also comprises moveable platform, and the first shielding box is arranged on described moveable platform, and moveable platform moves to change the first shielding box and inlays the relative position between box.
3. sample inlaying equipment as claimed in claim 1, wherein, the driving circuit of electromagnet comprises variable resistance box, to adjust the magnetic field intensity of electromagnet by changing electric current in electromagnet.
4. sample inlaying equipment as claimed in claim 1, wherein, the first shielding box and secondary shielding box are made by silicon steel, with shielding, are contained in electromagnet wherein or the magnetic field of kicker magnet.
5. a sample method for embedding, the method comprises the steps:
Sample is placed in the groove of inlaying the box bottom, utilizes the kicker magnet be arranged in the secondary shielding box of inlaying the box bottom that sample is adsorbed onto and inlay the box bottom;
Add epoxy resin and hardening agent to inlaying in box;
Adjust the angle of inclination of sample, make to be detected of sample parallel with the basal surface of inlaying box;
Adjustment is arranged on position and/or the magnetic field intensity of the electromagnet in the first shielding box of a side of inlaying box, makes sample can stably remain on the angle of inclination of adjusting; And
After epoxy resin cure, remove the first shielding box and secondary shielding box, to complete sample, inlay.
6. method as claimed in claim 5, wherein, adjust the magnetic field intensity of electromagnet by the electric current in the change electromagnet.
7. method as claimed in claim 5, wherein, the first shielding box and secondary shielding box are made by silicon steel, with shielding, are contained in electromagnet wherein or the magnetic field of kicker magnet.
8. method as claimed in claim 7, the first shielding box and secondary shielding box all have towards the opening of inlaying box, so that be contained in the outside that the magnetic field of electromagnet wherein or kicker magnet is diffused into the first shielding box and secondary shielding box.
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 true CN103487312A (en) | 2014-01-01 |
| CN103487312B CN103487312B (en) | 2016-02-17 |
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| CN201310481344.4A Active CN103487312B (en) | 2013-10-15 | 2013-10-15 | Sample inlaying device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067416A (en) * | 2015-09-21 | 2015-11-18 | 核工业理化工程研究院 | Metallographic cold-inlaying device capable of adjusting inlaying position and angle of sample |
| CN108593406A (en) * | 2018-04-20 | 2018-09-28 | 朱兆明 | A kind of cold inlaying samples preparation facilities and its operating method |
| CN109813589A (en) * | 2018-12-28 | 2019-05-28 | 江苏省沙钢钢铁研究院有限公司 | A kind of hot method for embedding of thin plate metallographic |
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| CN108593406A (en) * | 2018-04-20 | 2018-09-28 | 朱兆明 | A kind of cold inlaying samples preparation facilities and its operating method |
| 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 |
| CN109813589A (en) * | 2018-12-28 | 2019-05-28 | 江苏省沙钢钢铁研究院有限公司 | A kind of hot method for embedding of thin plate metallographic |
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|---|---|
| CN103487312B (en) | 2016-02-17 |
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