CN102436883A - White edge sorting method in chip type electronic component - Google Patents
White edge sorting method in chip type electronic component Download PDFInfo
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- CN102436883A CN102436883A CN2011102707899A CN201110270789A CN102436883A CN 102436883 A CN102436883 A CN 102436883A CN 2011102707899 A CN2011102707899 A CN 2011102707899A CN 201110270789 A CN201110270789 A CN 201110270789A CN 102436883 A CN102436883 A CN 102436883A
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- white edge
- electronic component
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- conveying mechanism
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Abstract
The invention discloses a white edge sorting method in chip type electronic component, wherein before sorting, the surface of the white edge is formed with a magnetic material layer; the cut and mixed single granular product and the white edge are separated via the magnetic separation. The invention increases the process of forming a magnetic material layer, although increases the material cost, doubles the sorting efficiency and precision and has clean separation.
Description
Technical field
The present invention relates to field of electronic components manufacturing, the white edge method for separating during particularly a kind of chip electronic component is made.
Background technology
Existing electronic devices and components; Chip resistor production of products for example; Flow process as shown in Figure 2 is resistive element, electrode, a cover glass (blank position on not having on its empty substrate to utilize is called white edge, and the positive back side of white edge is white) in blank substrate printing; Then through vertical folding bar (white edge 2 gets rid of calcellations with regard to whole piece when once cutting apart up and down), end-blocking, laterally to the folding grain, form the white edge 3 of a rectangular single-grain-shaped product 1 and single-grain-shaped.The front of single-grain-shaped product 1 is a black, and the back side is white.Because white edge 3 sizes and the single-grain-shaped product 1 of concatermer product are very approaching,, be difficult to use the screen cloth sorting by present process.
Existing white edge sorting mode, as shown in Figure 2, be to be put into the melange that is mixed with a large amount of white edges 3 in the dish 21 that shakes, the dish 21 that shakes is followed an arrangement to one of melange well automatically, advances along the dish groove position track that shakes and discharges in order.The dish that shakes has two transducers on 21, and the effect of transducer is to blow anti-sheet article to turn over and get rid of.When first transducer 22, the product that makes progress white blows and turns over, and the product that black flour makes progress directly passes through, and this moment, product made progress with regard to black flour, for white edge because its two sides all is white, therefore blow turn over the back still white towards last.Before melange flow to second transducer 23 like this, under the perfect condition, all products all were that black makes progress, and white edge article still white make progress.When melange passed through second transducer 23, the black article that allow to sense passed through, and got into product channels 23, flowed in the product special box.Just being blown of white gets into white edge passage 24, flows in the white edge special box.Since want every granule product to use sensor sensing, easy error, often contain more product in the white edge, also possibly contain white edge in the product, separation velocity also can't improve.
The advantage of this mode is to use easier, does not need manual operation, need not drop into raw material; And that shortcoming is a sharpness of separation is low, contains more white edge in the product.Separation velocity is slow.
Summary of the invention
For overcoming shortcoming of the prior art, the invention provides the white edge method for separating in a kind of chip electronic component manufacturing, sharpness of separation is high, and speed is fast.
In order to solve the problems of the technologies described above; The present invention realizes through following technical scheme: the white edge method for separating during a kind of chip electronic component is made; It is characterized in that: form magnetic material layer on the white edge surface before the sorting, utilize magnetic separation to separate the single-grain-shaped product that mixes after cutting apart with white edge then.
Described is behind printing and sintering on the blank substrate at white edge surface formation magnetic material layer, on white edge, coats magnetic slurry and dry, and the formation magnetic material layer makes white edge have magnetic.
When being coated with the magnetic slurry, be coated with together after gathering into folds the polylith substrate by same direction.
Described magnetic slurry is formed by the iron powder of sneaking into 50wt%～80wt% in the organic carrier.
Described magnetic separation is to carry out through magnetic separator.
The present invention passes through to increase operations such as magnetic materials for painting and coating, though increase some material costs, the efficiency of separation, precision improvement several times, sorting is very clean.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is that chip resistor is made the schematic flow sheet of once cutting apart respectively in the flow process with secondary splitting formation simple grain product and white edge;
Fig. 2 is the schematic flow sheet that carries out sorting through the dish that shakes in the prior art;
Fig. 3 makes white edge have the schematic flow sheet of magnetic in the chip resistor making flow process of the present invention;
Fig. 4 is that chip resistor of the present invention is made in the flow process schematic flow sheet that separates pelletized product and white edge through the magnetic separation mode.
Embodiment
The present invention is the white edge method for separating during a kind of chip electronic component is made, and forms magnetic material layer on the white edge surface earlier before its sorting, utilizes magnetic separation to separate the single-grain-shaped product that mixes after cutting apart with white edge then.
In order to form magnetic material layer on the white edge surface, can behind printing and sintering on the blank substrate, on white edge, coat magnetic slurry and dry, form magnetic material layer and make white edge have magnetic.For raising the efficiency, preferred, as shown in Figure 3, when being coated with the magnetic slurry, utilize coating machine to be coated with together after stacking the polylith substrate by same direction.As long as the magnetic slurry of coating can make white edge have magnetic to reach the magnetic separation effect; The iron powder of for example in organic carrier (for example terpinol etc. is than the organic solvent of thickness), sneaking into 50wt%～80wt% stirs; Be mixed into certain viscosity (preferably; 25 ℃ of following range of viscosities are 13-18Pa.s) lotion, make it to be convenient to be applied on the substrate relevant position to get final product.After accomplishing whole coating work dry (general baking temperature scope is 100 ℃～200 ℃), promptly form magnetic material layer on the white edge surface.
Magnetic separation is to carry out through magnetic separator.As shown in Figure 4, magnetic separator comprises the white edge 3 flat conveying mechanisms (groove 31 that preferably shakes can make pelletized product and white edge evenly, not get into the magnetic separation zone overlappingly) of sending into the magnetic separation zone with single-grain-shaped product 1 and single-grain-shaped; Be positioned at the feed belt 32 and the magnet 33 that is positioned at feed belt 32 tops of groove 31 tops that shake; Three's gap gets final product can the white edge on the groove 31 that shake being adsorbed to feed belt 32; And feed belt 32 back segments, magnet 22 back segments stretch out in the groove 31 terminal certain distances that shake to groove 31 moving directions that shake; Non-magnetic pelletized product is directly fallen at groove 31 ends that shake; Magnetic white edge then is adsorbed on by magnet 33 and continues on the feed belt 32 to move, and after leaving magnet 33 magnetic force scopes, falls naturally, thereby reaches separating effect.
Embodiment
1, accomplishing printing, but the integrated product of cutting apart (being called bulk product) folds by same direction, and it is good to be placed on the anchor clamps internal fixation, and the side white edge is (as shown in Figure 3) upwards.
2, be put into the anchor clamps that install bulk product on the coating machine and be coated with, on the side white edge, coat magnetic slurry (as shown in Figure 3).
3, put into drying in the drying oven to the product that coats the magnetic slurry together with anchor clamps, the baking temperature scope is about 150 ℃.
4, after the drying, turn over the white edge of another side, repeat 2,3 operation, make the white edge of both sides all coat magnetic material and dry, thereby form magnetic material layer on the white edge surface.
5, dried product by normal end-blocking flow process once cut apart, end-blocking, secondary splitting, product and side white edge all are divided into granular, when once cutting apart, get rid of calcellation (as shown in Figure 2) with regard to whole piece for edge margin limit up and down.
6, after product is accomplished secondary splitting, just become the amalgam that is mixed with a large amount of white edges (white edge of left and right sides side).
7, be put into white edge 3 melanges of single-grain-shaped product 1 and single-grain-shaped and carry out magnetic separation on the magnetic separator; The white edge 3 that is coated with magnetic material takes belt 32 other ends to owing to attracted to be bonded at feed belt 32 belows by magnet 33; Until the length range that has surpassed magnet 33; Magnet 33 suction disappear, and white edge 3 is just fallen white edge and taken up in the box 35.Single-grain-shaped product 1 is not attracted by magnet 33 owing to there is not magnetic, directly drops to product from groove 31 ends that shake and takes up in the box 34, and like this, single-grain-shaped product 1 just is separated with white edge 3, accomplishes whole white edge assorting room (as shown in Figure 4).
Claims (8)
1. the white edge method for separating during a chip electronic component is made is characterized in that: form magnetic material layer on the white edge surface before the sorting, utilize magnetic separation to separate the single-grain-shaped product that mixes after cutting apart with white edge then.
2. the white edge method for separating during chip electronic component according to claim 1 is made; It is characterized in that: described at white edge surface formation magnetic material layer; Be behind printing and sintering on the blank substrate; On white edge, coat magnetic slurry and dry, form magnetic material layer and make white edge have magnetic.
3. the white edge method for separating during chip electronic component according to claim 1 is made is characterized in that: when being coated with the magnetic slurry, be coated with together after gathering into folds the polylith substrate by same direction.
4. the white edge method for separating during chip electronic component according to claim 1 is made, it is characterized in that: described magnetic slurry is formed by the iron powder of sneaking into 50wt%～80wt% in the organic carrier.
5. the white edge method for separating during chip electronic component according to claim 1 is made, it is characterized in that: described magnetic separation is to carry out through magnetic separator.
6. the white edge method for separating during chip electronic component according to claim 1 is made is characterized in that: described magnetic separator comprises sends single-grain-shaped product and white edge into the regional conveying mechanism of magnetic separation; Be positioned at the feed belt and the magnet that is positioned at the feed belt top of conveying mechanism top, and feed belt back segment, magnet back segment stretch out in the terminal certain distance of conveying mechanism to the conveying mechanism moving direction.
7. the white edge method for separating during chip electronic component according to claim 1 is made is characterized in that: be provided with the gap that can the white edge on the conveying mechanism be adsorbed to feed belt between described conveying mechanism, feed belt and the magnet three.
8. the white edge method for separating in making according to the described chip electronic component of claim 1, it is characterized in that: described conveying mechanism is the groove that shakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102707899A CN102436883A (en) | 2011-09-14 | 2011-09-14 | White edge sorting method in chip type electronic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102707899A CN102436883A (en) | 2011-09-14 | 2011-09-14 | White edge sorting method in chip type electronic component |
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| Publication Number | Publication Date |
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| CN102436883A true CN102436883A (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102707899A Pending CN102436883A (en) | 2011-09-14 | 2011-09-14 | White edge sorting method in chip type electronic component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328555A (en) * | 2016-08-26 | 2017-01-11 | 扬州杰盈汽车芯片有限公司 | Magnetic force ink jet test technology applied to semiconductor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713961A (en) * | 2002-08-06 | 2005-12-28 | 埃里兹制造公司 | Plastic material having enhanced magnetic susceptibility, method of making and method of separating |
| CN101590652A (en) * | 2009-06-25 | 2009-12-02 | 广东风华高新科技股份有限公司 | A kind of full-automatic segmentation machine of slice component and using method thereof |
-
2011
- 2011-09-14 CN CN2011102707899A patent/CN102436883A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713961A (en) * | 2002-08-06 | 2005-12-28 | 埃里兹制造公司 | Plastic material having enhanced magnetic susceptibility, method of making and method of separating |
| CN101590652A (en) * | 2009-06-25 | 2009-12-02 | 广东风华高新科技股份有限公司 | A kind of full-automatic segmentation machine of slice component and using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328555A (en) * | 2016-08-26 | 2017-01-11 | 扬州杰盈汽车芯片有限公司 | Magnetic force ink jet test technology applied to semiconductor |
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Application publication date: 20120502 |