KR20140063943A - Tablet supply apparatus for molding - Google Patents
Tablet supply apparatus for molding Download PDFInfo
- Publication number
- KR20140063943A KR20140063943A KR1020120130673A KR20120130673A KR20140063943A KR 20140063943 A KR20140063943 A KR 20140063943A KR 1020120130673 A KR1020120130673 A KR 1020120130673A KR 20120130673 A KR20120130673 A KR 20120130673A KR 20140063943 A KR20140063943 A KR 20140063943A
- Authority
- KR
- South Korea
- Prior art keywords
- tablet
- width
- unit
- width adjusting
- supply
- Prior art date
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- 238000000465 moulding Methods 0.000 title abstract description 32
- 230000002950 deficient Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 238000007689 inspection Methods 0.000 claims description 19
- 238000012546 transfer Methods 0.000 claims description 17
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000002250 progressing effect Effects 0.000 claims 1
- 238000003079 width control Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67121—Apparatus for making assemblies not otherwise provided for, e.g. package constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67126—Apparatus for sealing, encapsulating, glassing, decapsulating or the like
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
The present invention relates to a tablet feeding device for molding capable of adjusting a supply path width for guiding the transfer of a tablet.
The semiconductor package manufacturing process is a process of attaching a semiconductor chip to a substrate, a process of electrically connecting the chip and the substrate, an epoxy molding and a molding process in which a package body is formed by molding with a material such as a compound.
The raw material for molding the semiconductor package is provided in a cylindrical shape having a certain size and weight for supplying a fixed amount, and this is called a tablet. Such a tablet is usually supplied to a molding apparatus that performs molding of a semiconductor package through a tablet supply unit and a tablet sorting unit while being put in a hopper.
The tablet put into the hopper is supplied to the tablet supply unit by the oscillation method, and the tablet supply unit supplies the tablet to the tablet selection unit through its own supply path in a state in which the tablet is aligned. The tablet selecting unit senses the weight of the supplied tablet, and then selects good and defective products. The tablet selected as a good product is picked up by the transfer unit and supplied to the molding apparatus.
This type of tablet supply device can be referred to Korean Patent Registration No. 10-0615904 (2006. 08. 28. Announcement) and Korean Patent Application Publication No. 10-2010-0073552 (published on 07.01.2010).
SUMMARY OF THE INVENTION It is an object of the present invention to provide a tableting device for molding that can selectively supply tablets of different sizes by adjusting the width of a supply path for guiding the transfer of the tablet.
According to an aspect of the present invention, there is provided a tablet apparatus including: a plurality of tablet accommodating portions accommodated in a tablet at predetermined intervals along a circumferential direction; a rotary table for changing a position of the tablet accommodated in the tablet accommodating portion while being rotated at a predetermined angle by driving means And a tablet supply unit for supplying the tablet to the tablet accommodating portion of the rotary table, wherein the tablet supplying unit comprises: a guide rail having a supply path for guiding the supply of the tablet; A tablet feeding device for molding may be provided that includes a width adjusting device capable of adjusting the width of the path.
The width adjusting device may be disposed at the outlet side of the guide rail to adjust the width of the outlet.
Wherein the guide rail includes a bottom guide portion defining a bottom of the supply path, first and second side guide portions defining both side surfaces of the supply path, and the width adjusting device includes a first guide portion and a second guide portion, And a first and a second width adjusting members provided on the first and second tabs and moving in a direction intersecting with the advancing direction of the tablet to adjust the width of the supply path.
The width adjusting device may further include a driving unit that operates the first and second width adjusting members in a direction intersecting with the advancing direction of the tablet.
The driving unit may include a connecting member connected to the first and second width adjusting members, and a pneumatic cylinder for moving the connecting member forward and backward.
Wherein the first and second width adjustment members comprise side openings for ejection of the fallen tablets and the bottom guides of the guide rails may include a bottom opening formed in the side opening side and forming a discharge passage with the side opening have.
Wherein the side opening has a width in a vertical direction lower than a height of the tablet and a width in a running direction longer than a height of the tablet in a running direction of the tablet, the bottom opening having a running direction width corresponding to a running direction width of the side opening, And may have a transverse width greater than the radius of the tablet in a direction that intersects the progress of the tablet.
The width adjusting device may include an elevation driving unit for elevating the first and second width adjusting members such that the lateral opening is positioned higher than the tablet height when the tablet is normally discharged.
The width adjusting device includes a driving part for operating the first and second width adjusting members in a direction crossing the advancing direction of the tablet, and a base part for supporting the driving part. The elevating driving part can elevate and lower the base part.
The guide rail has an intermediate guide portion that divides the supply path into a first supply path and a second supply path, and the first supply path and the second supply path may be arranged in parallel with each other partitioned.
The width adjusting device may include a third width adjusting member provided on the intermediate guide portion and having a larger width than the intermediate guide portion and adjusting the width of the first and second supply paths by lifting and lowering.
The width adjusting device may further include a driver for moving the third width adjusting member up and down.
Wherein the tablet selecting unit comprises: an inspection unit for inspecting whether or not the tablet contained in the tablet accommodating portion of the rotary table is defective; A conveying unit that conveys the tablet determined as a good item received in the tablet accommodating portion of the rotary table to the upper conveying unit; And a defective removal unit for withdrawing and removing the tablet, which is contained in the tablet accommodating portion of the rotary table, determined to be a defective item from the tablet accommodating portion.
The inspection unit is installed on the lower side of the rotary table so as to be able to ascend and descend. The upper part of the tablet is drawn into the tablet accommodating part through the through hole formed in the lower surface of the tablet accommodating part of the rotary table, A load cell to be inspected, and a load cell lifting means for lifting the load cell.
The tablet accommodating portion of the rotary table may include a plurality of tablets for receiving a plurality of tablets guided through the first and second supply paths, and may be disposed at regular intervals along the circumferential direction of the rotary table.
The inspection unit may measure the weight of the plurality of tablets in the plurality of tablet accommodating units and determine that the good is good if the sum satisfies the predetermined weight.
The rotary table can be selectively used according to the size of the tablet by arranging the tablet accommodating parts having different sizes alternately at regular intervals along the circumferential direction.
The tablet supplying device for molding according to the embodiment of the present invention can control the width of the supply path of the guide rail by operating the width adjusting device of the tablet supplying unit so that it is possible to selectively supply the tablets having different sizes.
Further, in the tablet supplying apparatus according to the embodiment of the present invention, the tablet selecting unit includes the rotary table having the first tablet accommodating unit and the second tablet accommodating unit having different sizes, Selective inspection and selection can be implemented.
In addition, the tablet supply apparatus according to the embodiment of the present invention can adjust the width of the supply path by the operation of the width adjusting device of the tablet supply unit, but can accurately match the center of the tablet supplied to the tablet selecting unit, The accurate supply of the tablet can be realized.
Further, in the tablet supply apparatus according to the embodiment of the present invention, the inspection unit of the tablet sorting unit judges good products according to whether the sum of the weights of the two tablets satisfy the set weight, so that the weight of one of the two tablets is somewhat lower It is possible to reduce the possibility of being judged to be defective, thereby reducing the cost of the tablet.
In addition, since the molding tablet supplying apparatus according to the embodiment of the present invention has the discharge passage formed by the lateral opening of the width adjusting member and the bottom opening of the guide rail, the tablet supplied in a fall- As shown in Fig.
Further, since the tablet supply device according to the embodiment of the present invention can elevate the width adjusting member to position the lateral opening of the width adjusting member higher than the height of the tablet to be normally supplied, discharge of the tablet normally supplied can be realized have.
1 is a perspective view of a tableting apparatus for molding according to a first embodiment of the present invention.
FIG. 2 is a plan view showing a tablet feeding device for molding according to a first embodiment of the present invention. FIG.
3 shows a configuration of a tablet selecting unit and a transfer unit of a tablet supplying apparatus for molding according to the first embodiment of the present invention.
4 is a perspective view of the tablet supply unit of the tablet feeding device for molding according to the first embodiment of the present invention.
5 is an exploded perspective view of the tablet supply unit of the tablet supplying apparatus for molding according to the first embodiment of the present invention.
6 is a cross-sectional view taken along line AA of FIG.
FIGS. 7 and 8 are cross-sectional views taken along the line BB of FIG. 4, showing a state in which the widths of the first supply path and the second supply path are varied corresponding to the size of the tablet.
9 shows a modification of the third width adjusting member of the tablet feeding device for molding according to the first embodiment of the present invention.
Fig. 10 is a cross-sectional view taken along the line BB in Fig. 4, showing the discharged state of the dropped tablet. Fig.
Fig. 11 is a cross-sectional view taken along the line BB in Fig. 4, showing the discharge state of the tablet normally supplied. Fig.
12 is a perspective view of the tablet supply unit according to the second embodiment of the present invention.
13 is a cross-sectional view taken along line CC of Fig.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. The present invention is not limited to the embodiments shown, but may be embodied in other forms. In order to clarify the present invention, the drawings may omit the parts of the drawings that are not related to the description, and the size of the elements and the like may be somewhat exaggerated to facilitate understanding.
1 and 2 show a tablet feeding device for molding according to a first embodiment of the present invention. As shown in the drawing, the molding tablet supplying apparatus according to the first embodiment includes a
Although not shown in the drawing, the separate tablet supplying means includes a hopper into which the tablet T is inserted, and a vibration supplying device that supplies the tablet supplied from the hopper to the
1 and 2, the
2 and 3, the
The rotary table 210 may be configured to rotate together with the upper table 210a and the lower table 210b in a disc shape spaced apart from each other by a predetermined distance and include a first
The first
The first
The
Each of the
The
If the sum of the weights of the two tablets satisfies the set weight, it is possible to reduce the possibility that the tablet is determined to be defective even if the weight of one of the two is somewhat less than the weight of the other tablet. do. In other words, the tableting device for molding according to the first embodiment supplies two tablets when the tablet is supplied to the molding device for molding. When the sum of the weights of the two tablets satisfies the set weight, It is possible to supply.
In addition, when two tablets are supplied in a row by a molding apparatus as in the case of the first embodiment, the required weight of the raw material for forming can be adjusted while supplying the tablet with a relatively small size. In addition, since the size of the tablet is small and the melting conditions of the tablet can be improved, the molding time can be shortened and the molding quality can be improved.
3, the
The
The
The
The
3, 4 and 6, the
Here, the case where the
The
4, 5 and 7, the
The
As shown in FIGS. 5 and 7, the
5 to 7, the
The lifting
Here, as an example, a pneumatic cylinder is shown as a driving source of each of the driving
7, when the tablet having a relatively large diameter D1 is supplied (for example, when a tablet having a diameter of 18 mm is supplied), the
8, when the tablet with a relatively small diameter D2 is supplied (for example, when a tablet having a diameter of 16 mm is supplied), the operation of the
9 shows a modification of the third width adjusting member. In the example of FIG. 9, the third
As described above, since the
The
The
The center of the tablet supplied from the
4 and 10, the
The first
Therefore, as shown in FIGS. 7 and 8, the upper portion of the tablet is normally positioned higher than the first and
11, the
When the tablet existing in the
12 and 13 show a tablet supply unit of the tablet feeding device for molding according to the second embodiment of the present invention. 12 and 13, in the second embodiment, the
The
The driving
In the second embodiment, the
The
The
Since the
100: tablet supply unit, 110: guide rail,
112: first supply path, 113: second supply path,
114: intermediate guide portion, 115: first side guide portion,
116: second side guide portion, 117: bottom guide portion,
117b: first bottom opening, 117c: second bottom opening,
120: Vibrating device, 130: Width adjusting device,
131: first width adjusting member, 131a: first side opening,
132: second width adjusting member, 132b: second side opening.
133: third width adjusting member, 134: first driving portion,
135: second driving part, 136: lifting and driving part,
200: tablet selecting unit, 210: rotary table,
211: first tablet accommodating portion, 212: second tablet accommodating portion,
220: inspection unit, 230: transfer unit,
240: defect removal unit, 260: transfer unit.
Claims (17)
And a tablet supply unit for supplying the tablet to the tablet accommodating portion of the rotary table,
Wherein the tablet supply unit includes a guide rail having a supply path for guiding the supply of the tablet,
And a width adjusting device capable of adjusting the width of the supply path corresponding to the size of the tablet.
Wherein the width adjusting device is disposed at the outlet side of the guide rail to adjust the width of the outlet.
Wherein the guide rail includes a bottom guide portion defining a bottom of the supply path, first and second side guide portions defining both sides of the supply path,
Wherein the width adjusting device comprises a first and a second width adjusting member provided on the first and second side guiding parts and moving in a direction intersecting with a progressing direction of the tablet to adjust the width of the supplying path, Device.
Wherein the width adjusting device further includes a driving unit that operates the first and second width adjusting members in a direction crossing the advancing direction of the tablet.
Wherein the driving unit includes a connecting member connected to the first and second width adjusting members, and a pneumatic cylinder for moving the connecting member forward and backward.
Wherein the first and second width adjustment members include lateral openings for ejection of the fallen tablet,
Wherein the bottom guide portion of the guide rail includes a bottom opening formed in the side opening side and forming a discharge passage with the side opening.
Wherein the side opening has a width in a vertical direction lower than a height of the tablet and a width in a running direction longer than a height of the tablet in a running direction of the tablet,
Wherein the bottom opening has a traveling direction width corresponding to a traveling direction width of the lateral opening and a lateral width larger than a radius of the tablet in a direction intersecting the progress of the tablet.
Wherein the width adjusting device includes an elevation driving unit for elevating the first and second width adjusting members so that the lateral opening is higher than the height of the tablet when the tablet is normally discharged.
Wherein the width adjusting device comprises a driving part for operating the first and second width adjusting members in a direction crossing the advancing direction of the tablet and a base part for supporting the driving part,
Wherein the lifting and lowering driving unit lifts up the base unit.
Wherein the guide rail has an intermediate guide portion that divides the supply path into a first supply path and a second supply path,
Wherein the first supply path and the second supply path are arranged in parallel with each other being partitioned.
Wherein the width adjusting device comprises a third width adjusting member provided on the intermediate guide portion and having a width larger than that of the intermediate guide portion to adjust a width of the first and second supply paths by raising and lowering, .
Wherein the width adjusting device further includes a driving part for moving the third width adjusting member up and down.
Wherein the tablet selecting unit comprises: an inspection unit for inspecting whether or not the tablet contained in the tablet accommodating portion of the rotary table is defective;
A transfer unit for transferring the tablet, which is contained in the tablet accommodating portion of the rotary table, determined to be good, to the upper transfer unit,
And a defective removal unit for withdrawing and removing the tablet, which is contained in the tablet accommodating portion of the rotary table, determined to be defective, from the tablet accommodating portion.
The inspection unit is installed on the lower side of the rotary table so as to be able to ascend and descend. The upper part of the tablet is drawn into the tablet accommodating part through the through hole formed in the lower surface of the tablet accommodating part of the rotary table, And a load cell elevating means for elevating and descending the load cell.
The tablet accommodating portion of the rotary table is provided with a plurality of accommodating grooves for accommodating a plurality of tablets guided through the first and second supply paths and is provided at a predetermined interval along the circumferential direction of the rotary table, .
Wherein the inspection unit measures the weight of the plurality of tablets in the plurality of tablet accommodating units and determines that the good is good if the sum satisfies the predetermined weight.
Wherein the rotary table is alternately arranged at regular intervals along the circumferential direction so that tablet accommodating portions having different sizes are alternately arranged according to the size of the tablet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020120130673A KR101436056B1 (en) | 2012-11-19 | 2012-11-19 | Tablet supply apparatus for molding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120130673A KR101436056B1 (en) | 2012-11-19 | 2012-11-19 | Tablet supply apparatus for molding |
Publications (2)
Publication Number | Publication Date |
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KR20140063943A true KR20140063943A (en) | 2014-05-28 |
KR101436056B1 KR101436056B1 (en) | 2014-09-02 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020120130673A KR101436056B1 (en) | 2012-11-19 | 2012-11-19 | Tablet supply apparatus for molding |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102132562B1 (en) * | 2019-07-26 | 2020-07-09 | 한미반도체 주식회사 | Apparatus for supplying a tablet for molding |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR100291105B1 (en) * | 1998-07-16 | 2001-08-07 | 곽 노 권 | Tablet Auto Feeder |
KR20020029503A (en) * | 2000-10-13 | 2002-04-19 | 정규환 | Pellet feeder for lead-frame auto molding device |
KR100847572B1 (en) * | 2006-12-13 | 2008-07-21 | 세크론 주식회사 | Resin transfer device for semiconductor |
KR101511667B1 (en) * | 2008-12-23 | 2015-04-16 | 한미반도체 주식회사 | Apparatus for Sorting and Supplying Tablet for Molding |
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2012
- 2012-11-19 KR KR1020120130673A patent/KR101436056B1/en active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102132562B1 (en) * | 2019-07-26 | 2020-07-09 | 한미반도체 주식회사 | Apparatus for supplying a tablet for molding |
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