KR20140063943A - Tablet supply apparatus for molding - Google Patents

Tablet supply apparatus for molding Download PDF

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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
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KR
South Korea
Prior art keywords
tablet
width
unit
width adjusting
supply
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KR1020120130673A
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Korean (ko)
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KR101436056B1 (en
Inventor
김석배
구본수
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한미반도체 주식회사
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Priority to KR1020120130673A priority Critical patent/KR101436056B1/en
Publication of KR20140063943A publication Critical patent/KR20140063943A/en
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Publication of KR101436056B1 publication Critical patent/KR101436056B1/en

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    • 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

Disclosed is a tablet supply apparatus for molding. According to the embodiment of the present invention, the tablet supply apparatus for molding includes: a tablet selection part which has tablet receiving parts including a tablet formed in a radial direction with regular intervals and a rotation table which changes the position of the tablet received in the receiving part and rotated by a driving unit with a constant angle; a guide rail which has a tablet supply unit to supply the tablet to the tablet receiving part of the rotation table and a supply path to guide the supply of the tablet; and a width control device which controls the width of the supply path corresponding to the size of the tablet.

Description

[0001] TABLET SUPPLY APPARATUS FOR MOLDING [0002]

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).

Patent Document 1: Korean Patent Publication No. 10-0615904 (2006. 08. 28. Announcement) Patent Document 2: Korean Patent Publication No. 10-2010-0073552 (published on Jul. 1, 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 tablet supplying unit 100 for supplying a tablet T supplied from a separate tablet supplying means (not shown) in a state of being aligned in series, And a tablet sorting unit 200 for receiving the tablet T from the tablet supply unit 100 and sorting the same into good and defective products.

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 tablet supplying unit 100 after aligning the tablet in an upright state by a vibration method .

1 and 2, the tablet supply unit 100 includes an entrance 111 through which a tablet T is supplied from a separate vibration supply device or the like, and an entrance 111 through which the tablet T is branched from the entrance 111 in two directions A guide rail 110 provided with a first supply path 112 and a second supply path 112 arranged in parallel with each other and configured to oscillate the guide rail 110 to implement the transfer of the tablet T And a vibration device 120. The tablet T supplied to the one row from the entrance portion 111 is guided by the first and second supply paths 112 and 113 in a state of being aligned in two rows by the first supply path 112 and the second supply path 113 And can be supplied to the tablet sorting unit 200.

2 and 3, the tablet selecting unit 200 includes a rotary table 210 having a plurality of first tablet accommodating units 211 and a plurality of second tablet accommodating units 212, The tablet unit 200 includes a driving unit 250 that rotates the first and second tablet accommodating units 210 and 210 and an inspecting unit 220 that inspects whether the tablet contained in the first or second tablet accommodating unit 211 or 212 is defective. (Not shown), a transfer unit 260 (see FIG. 3) for transferring the tablet determined to be good after inspection to a transfer unit 230 positioned thereon, a tablet determined as a defective product after inspection And a defective removal unit 240 for removing the defective magnetic field from the rotary table 210.

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 tablet accommodating portion 211 for accommodating the tablet, Two tablet accommodating portions 212 may be provided on the upper table 210a. A detachment preventing member 215 may be installed around the rotary table 210 to prevent the tablet received in the first and second tablet accommodating units 211 and 212 from being released when the rotary table 210 rotates.

The first tablet accommodating portion 211 and the second tablet accommodating portion 212 respectively include two receiving grooves disposed adjacent to each other to receive the tablets supplied from the tablet supplying unit 100 in two.

The first tablet accommodating portion 211 and the second tablet accommodating portion 212 are formed to have different receiving grooves and are alternately arranged at intervals of 45 degrees along the circumferential direction of the rotary table 210 . In other words, the second tablet accommodating portion 212 having relatively small receiving grooves is disposed between the first tablet accommodating portions 211 having relatively large receiving grooves. The first tablet accommodating portions 211 are spaced apart from each other by 90 degrees along the circumferential direction of the turntable 210 and the second tablet accommodating portions 212 are disposed along the circumferential direction of the turntable 210 It is spaced apart by intervals. This is to enable the tablet supplied from the tablet supply unit 100 to be selectively supplied to the first tablet accommodating unit 211 or the second tablet accommodating unit 212 according to its size.

The inspection unit 220 may be disposed at a position spaced apart from the tablet supply unit 100 by 90 degrees in the circumferential direction of the rotary table 210 from the position where the tablet T is inserted. As shown in FIG. 3, the inspection unit may be arranged in parallel to detect the weight of the two tablets received in the first and second tablet accommodating portions 211 and 212, respectively, so as to determine whether the two tablets are defective.

Each of the inspection units 220 is installed under the rotary table 210 and includes a load cell 221 for sensing the weight of the tablet and a lower table 210b extending upward from the load cell 221 and formed on a lower table 210b of the rotary table 210. [ A contact pin 222 that can enter the first and second tablet accommodating portions 211 and 212 through the through hole 210c and a load cell lifting and lowering means 223 including a pneumatic cylinder for lifting and lowering the load cell 221 .

The inspection unit 220 is capable of ascending and descending the contact pin 222 together with the load cell 221 by the operation of the load cell elevating means 223 and the contact pin 222 ascending and descending through the through hole 210c It is possible to check whether the tablet is defective by measuring the weight of the tablet while being drawn into the tablet accommodating portion. The test unit 220 measures the weights of the two tablets supplied to the respective tablet accommodating portions 211 and 212. When the sum of the weights satisfies the preset weight, the test unit 220 determines that the product is good. If not, it can be judged as defective.

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 transfer unit 230 is located above the position of the inspection unit 220 and above the good-quality pick-up position spaced 90 degrees from the rotation of the rotary table 210, It is possible to pick up the tablet determined to be good.

The transfer unit 230 includes a frame 232 having a plurality of openings 231 through which the tablet is drawn from below and a plurality of openings 231 provided along the openings 231 around the respective openings 231 on the frame 232, And a latch 234 which is rotatably installed on one side of each opening 231 and supports the tablet which has entered the opening 231 so as not to fall down. The transfer unit 230 can sequentially pick up the tablet from the one opening 231 side by the movement of the frame 232. [

The latch 234 provided at each opening 231 may be installed to rotate about the hinge axis and to have a rotational force in one direction by the torsion spring. Thus, the latch 234 allows the tablet to be pushed in by the tablet when it is pushed by the tablet when the tablet enters from the bottom, and is restored to its original state by the torsion spring after the completion of the tablet from the bottom. .

The transport unit 260 is installed at a position spaced 90 degrees from the inspection unit 220 in the rotating direction of the rotary table 210, that is, below the good product pickup position of the rotary table 210, as shown in FIG. The transfer unit 260 may include a push rod 261 installed to be raised and lowered below the rotary table 210 and a pneumatic cylinder 262 for moving the push rod 261 up and down. The push rod 261 is lifted by the operation of the pneumatic cylinder 262 and the push rod 261 is lifted up through the through hole 210c of the rotary table 210 to the rotary table 210 And the tablet is pushed up to the transfer unit 230 so that the tablet can be picked up in the transfer unit 230. [

The defective removal unit 240 removes the defective tablet by scraping and dropping the tablet determined to be defective at the defective removal position spaced 90 degrees from the good article pickup position in the rotation direction of the rotary table 210 again. 1, the defective removal unit 240 includes a pulling member 241 for pulling and pulling a defective tablet, a pneumatic cylinder type driving means 241 for moving the pulling member 241 in the radial direction of the rotary table 210, Lt; RTI ID = 0.0 > 242 < / RTI >

3, 4 and 6, the guide rails 110 of the tablet supply unit 100 for supplying the tablets to the tablet selecting unit 200 are provided with a first supply path 112 and a second supply path 112, The intermediate guide 114 partitioning the supply path 113 and the intermediate guide 114 are disposed in parallel and spaced apart from each other and the side surfaces of the first supply path 112 and the second supply path 113 And a bottom guide 117 which defines a bottom of the first and second supply paths 112 and 113. The first side guide part 115 and the second side guide part 116 define the first side guide part 115 and the second side guide part 116,

Here, the case where the intermediate guide portion 114, the first and second side guide portions 115 and 116, and the bottom guide portion 117 constituting the guide rail 110 are provided in a plate shape having a long length, 110 are not limited thereto. The guide rails may be configured such that a plurality of steel wires are connected to form two feed paths.

The tablet supply unit 100 includes a width adjuster 130 provided at the outlet of the guide rail 110 to adjust the width of the first and second supply paths 112 and 113 corresponding to the size of the tablet T to be supplied. . For example, a tablet having a diameter of 18 mm and a tablet having a diameter of 16 mm can be selectively used as the tablet for molding T. The tablets having a diameter of 16 mm can be selectively used by selectively controlling the outlet width of the supply paths 112 and 113 .

4, 5 and 7, the width adjusting device 130 is provided on the extension line of the first and second side guiding parts 115 and 116 and moves in a direction intersecting the advancing direction of the tablet The first width adjusting member 131 and the second width adjusting member 132 adjust the outer widths of the first and second supply paths 112 and 113, respectively. A third width adjusting member provided on the intermediate guide portion 114 and having a greater width than the intermediate guide portion 114 and adjusting the inner width of the first and second supply paths 112, (133). 8, the bottom guide portion 117 is provided with an opening 117a for raising and lowering the third width adjusting member 133 and the intermediate guide portion 114 on the upper side of the opening 117a An opening 114a for raising the third width adjusting member 133 is formed.

The width adjusting device 130 includes a first driving part 134 that supports the first and second width adjusting members 131 and 132 and moves them in a direction intersecting with the advancing direction of the tablet, A second driving part 135 for raising and lowering the width adjusting member 133 and an elevation driving part 136 for raising and lowering the first driving part 134 while the first driving part 134 is mounted.

As shown in FIGS. 5 and 7, the first driving unit 134 is connected to the first and second coupling members (131, 132), which are connected to the outer side surfaces of the first and second crash members (131, 132) And a pneumatic cylinder unit 134c for moving the first and second connecting members 134a and 134b forward and backward in a state in which they are disposed below the guide rails 110. [ The pneumatic cylinder unit 134c is connected to the first connecting member 134a and the two connecting members 134b, although not shown in detail in the figure, a plurality of rod portions 134d drawn out to both sides by incorporating a plurality of pneumatic cylinders are connected . The pneumatic cylinder unit 134c can operate the first and second width adjusting members 131 and 132 by advancing and retracting the plurality of rod portions 134d in a state of supporting the first and second connecting members 134a and 134b .

5 to 7, the second driving unit 135 includes a third connecting member 135a connected to the third width adjusting member 133, a third connecting member 135b connected to the third connecting member 135a, And a pneumatic cylinder 135b for raising and lowering the connecting member 135a.

The lifting drive part 136 includes a base part 136a for supporting the first driving part 134 and a pneumatic cylinder 136b mounted under the guide rail 110 to raise and lower the base part 136a. The elevation driving unit 136 can adjust the height of the first and second width adjusting members 131 and 132 by moving the pneumatic cylinder unit 134c of the first driving unit 134 up and down.

Here, as an example, a pneumatic cylinder is shown as a driving source of each of the driving units 134, 135, and 136. However, the driving source of each of the driving units 134, 135, and 136 is not limited thereto. In addition, the first embodiment can automatically operate the first to third width adjusting members 131, 132 and 133, but the first to third width adjusting members 131, 132 and 133 may be manually operated. 4 and 5, reference numeral 137 denotes a stopper fixed to the first and second side guides 115 and 116 to restrict the outward movement of the first and second width adjusting members 131 and 132

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 width adjusting device 130 may be operated in the same manner as the operation of the first driving part 134 The first width adjusting member 131 and the second width adjusting member 132 on both sides open outwardly (in directions away from each other). The third width adjusting member 133 disposed at the center maintains the lowered state by the operation of the second driving unit 135. Therefore, the width of the outlet sides of the first supply path 112 and the second supply path 113 is expanded to correspond to the tablet diameter of the relatively large diameter D1.

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 first drive unit 134 causes the first width The adjusting member 131 and the second width adjusting member 132 are moved inward (in a direction approaching each other). The third width adjusting member 133 at the center is raised by the operation of the second driving unit 135. [ Therefore, the width of the outlet sides of the first supply path 112 and the second supply path 113 becomes narrow to correspond to the tablet outer diameter of the relatively small diameter D2.

9 shows a modification of the third width adjusting member. In the example of FIG. 9, the third width adjusting member 137 may have a U-shaped cross-sectional structure on the connecting member 135a of the second driving unit 135. In this case, the third width adjusting member 137 can adjust the widths of the first and second supply paths 112 and 113 by raising the both side width adjusting portions 137a and 137b along both side surfaces of the intermediate guide portion 114 have. Unlike the example of FIG. 8, the opening 114a formed in the intermediate guide 114 can be eliminated.

As described above, since the tablet supply unit 100 of the first embodiment can control the widths of the first supply path 112 and the second supply path 113 by operating the width adjusting device 130, it is possible to use one tablet supply unit While still providing a selective supply of tablets of different sizes.

The tablet selecting unit 200 operates so that when the tablet is supplied from the tablet supplying unit 100, the tablet is housed in the first tablet accommodating unit 211 having a relatively large receiving recess, And may be operated to inspect tablets received in the second tablet accommodating portion 212 having a relatively small receiving groove when the tablets are supplied from the tablet supplying unit 100. [ That is, the tablet sorting unit 200 is set such that the tablet sorting unit 200 operates correspondingly according to the width adjusting state of the width adjusting device 130, so that the tablet selecting unit 200 can selectively Inspection and screening can be implemented.

The width adjuster 130 of the tablet supply unit 100 can control the width of the first and second supply paths 112 and 113 and maintain the center of the tablet supplied to the tablet sorting unit 200 as it is. This is because width adjustment is performed in such a manner that the first and second width adjusting members 131 and 132 move on both sides and the third width adjusting member 133 rises at the center.

The center of the tablet supplied from the tablet supply unit 100 to the tablet sorting unit 200 is exactly matched with the width of the first and second supply paths 112 and 113 by the tablet selecting unit 200 So that accurate supply can be achieved. The tablet selecting unit 200 is configured such that the checking unit 220, the conveying unit 260 and the defective removing unit 240 are always in a right position and the receiving grooves of the first and second tablet accommodating units 211 and 212 The center is also confirmed. Therefore, when the width of the first and second supply paths 112 and 113 is adjusted, the centers of the tablets supplied to the tablet selecting unit 200 and the centers of the receiving grooves of the first and second tablet accommodating units 211 and 212 coincide with each other, Implementing the correct supply of the tablet is very important. This is because if the centers of the first and second supply paths 112 and 113 do not coincide with each other, inspection and sorting operations in the tablet sorting unit 200 may become difficult.

4 and 10, the tablet supply unit 100 of the first embodiment includes a first width adjusting member (not shown) for discharging a tablet, which is one of the tablets supplied through the first supply path 112, A second lateral opening 131a provided in the second width adjusting member 132 for discharging the tablets out of the tablets supplied through the second supply path 113 also to the side, 132a. The bottom portion 117 of the guide rail 110 is formed with a first bottom opening 117b formed on the side of the first side opening 131a and forming a discharge passage together with the first side opening 131a, And a second bottom opening 117c formed in the second side opening 132a and forming a discharge passage with the second side opening 132a.

The first lateral opening 131a and the second lateral opening 132a have a width in a vertical direction lower than a height of a tablet to be supplied and a width in a traveling direction longer than a height of the tablet in a traveling direction of the tablet. The first bottom opening 117b and the second bottom opening 117c have a width in the advancing direction corresponding to the advancing direction width of the first and second lateral openings 131a and 132a, The width of which is greater than the radius.

Therefore, as shown in FIGS. 7 and 8, the upper portion of the tablet is normally positioned higher than the first and second side openings 131a and 132a and is positioned above the first and second width adjusting members 131 and 132 ≪ / RTI > However, as shown in Fig. 10, the tablet supplied in the falled state has the discharge passage formed by the first side opening 131a and the first bottom opening 117b or the discharge passage formed by the second side opening 132a and the second bottom opening 117b, Can be discharged laterally through the discharge passage formed by the discharge port 117c. At this time, as shown in FIG. 10, the first and second bottom openings 117b and 117c are larger than the radius of the tablet, so that the tablet that is going to fall down naturally has first or second side openings 131a and 132a ) To fall down.

11, the tablet supply unit 100 may also be configured to supply the tablet normally supplied through the first and second supply paths 112 and 113 through the first and second lateral openings 131a and 132a Can be discharged. At this time, the width adjusting device 130 raises the first driving part 134 by raising the first and second width adjusting members 131 and 132 by the operation of the elevation driving part 136 (see FIG. 6) The openings 131a and 132a can be positioned higher than the height of the tablet to be normally supplied.

When the tablet existing in the tablet supply unit 100 or the previous supply means (hopper, vibration supply device, etc.) is judged to have a possibility of deterioration after a certain period of time, the operation of discharging the normally supplied tablet is not to be mixed with the new tablet . In addition, when it is necessary to remove both the tablet supply unit 100 and the tablet of the previous supply means, it can be discharged in this manner.

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 tablet supply unit 300 includes a guide rail 310 having one supply path 311 for supplying the tablets one by one, And a width adjusting device 330 provided at the outlet side and capable of adjusting the width of the supply path 311 corresponding to the size of the tablet.

The guide rail 310 also includes a bottom guide 312 defining a bottom of the feed path 311 and two side guides 313 and 314 defining both sides of the feed path 311. In the second embodiment, The width adjusting device 330 includes two width adjusting members 331 and 332 which are respectively provided on the two side guides 313 and 314 and move in a direction intersecting the traveling direction of the tablet to adjust the width of the supplying path 311, And a driving unit 334 for operating the width adjusting members 331 and 332.

The driving portion 334 may include two connecting members 334a and 334b connected to the two width adjusting members 331 and 332 and a pneumatic cylinder 334c for moving the connecting members 334a and 334b forward and backward.

In the second embodiment, the width adjusting device 330 controls the width of the supply path 311 by operating the two width adjusting members 331 and 332 disposed on both sides of the supply path 311 together with the driving unit 334 However, the form of the width adjusting device is not limited thereto. The width adjusting device 330 may be configured such that only one width adjusting member 331 is provided on one side guide 313 and the driving unit 334 operates only one width adjusting member 331. [ Even in this case, the width of the supply path 311 can be adjusted.

The bottom guide 312 of the guide rail 310 is formed on the side of the side opening 331a and has a side opening 331a. And a bottom opening 312a which forms an exhaust passage with the exhaust gas.

The side opening 331a has a width in the vertical direction lower than the height of the tablet and a width in the running direction longer than the height of the tablet in the advancing direction of the tablet and the bottom opening 312a has a side opening 331a, And a transverse width larger than a radius of the tablet in a direction intersecting the progress of the tablet.

Since the tablet supply unit 300 can control the width of the outlet of the supply path 311 by operating the width adjusting device 330, it is possible to implement selective supply of the tablet having a different size while using one tablet supply unit have. Further, the tablet supplied in the falled state can be laterally discharged through the discharge passage formed by the side opening 331a and the bottom opening 312a, and the tablet, which is normally supplied when necessary, .

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)

A plurality of tablet accommodating portions accommodating the tablets are formed at regular intervals along the circumferential direction and rotated by a predetermined angle by the driving means to change the position of the tablet accommodated in the tablet accommodating portion;
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. The method according to claim 1,
Wherein the width adjusting device is disposed at the outlet side of the guide rail to adjust the width of the outlet. 3. The method according to claim 1 or 2,
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. The method of claim 3,
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. 5. The method of claim 4,
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. The method of claim 3,
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. The method according to claim 6,
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. 8. The method of claim 7,
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. 9. The method of claim 8,
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. The method of claim 3,
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. 11. The method of claim 10,
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, . 12. The method of claim 11,
Wherein the width adjusting device further includes a driving part for moving the third width adjusting member up and down. The method according to claim 1,
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. 14. The method of claim 13,
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. 11. The method of claim 10,
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, . 16. The method of claim 15,
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. 14. The method of claim 13,
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.
KR1020120130673A 2012-11-19 2012-11-19 Tablet supply apparatus for molding KR101436056B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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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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

Cited By (1)

* Cited by examiner, † Cited by third party
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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