KR20230116741A - Cleaning apparatus and singulation system of package having the same - Google Patents

Abstract

Disclosed is a cleaning device, comprising: a plurality of roll units adjacent to each other; And a rotation drive unit for rotating each of the plurality of roll units, wherein the roll unit includes a rotatable rotation shaft and a sponge surrounding the rotation shaft.

Description

Cleaning device and package singulation system including the same {CLEANING APPARATUS AND SINGULATION SYSTEM OF PACKAGE HAVING THE SAME}

The present application relates to a cleaning device including a roll brush and a package singulation system including the same.

The package manufacturing system includes a cutting process of cutting into individual packages from a strip on which a plurality of packages are formed, a washing process of washing the packages cut in the cutting process, a drying process of drying the washed packages in the washing process, and a defect in the dried package. A semiconductor package may be manufactured by sequentially performing a package inspection process for inspecting whether or not a package has a defect and an off-load process for classifying packages that have passed the inspection and those that have not passed the inspection according to the inspection result.

However, in the conventional package manufacturing system, the washing process is carried out by spraying water and gas on the package and contacting it in a brush type, so there are cases where burrs and EMC-related whitening foreign substances remain on the surface of the package even after the washing process. In this case, errors and post-process quality issues could occur during the inspection process.

The background technology of the present application is disclosed in Korean Patent Registration No. 10-0904496.

The present invention is to solve the problems of the prior art described above, and an object of the present invention is to provide a cleaning device capable of cleaning packages cut into individual packages from a strip cleanly compared to the prior art, and a package singulation system including the same.

However, the technical problems to be achieved by the embodiments of the present application are not limited to the technical problems as described above, and other technical problems may exist.

As a technical means for achieving the above technical problem, a cleaning apparatus according to an embodiment of the present application includes a plurality of roll units adjacent to each other; And a rotation drive unit for rotating each of the plurality of roll units, wherein the roll unit may include a rotatable rotation shaft and a sponge surrounding the rotation shaft.

In the washing device according to one embodiment of the present disclosure, the sponge may be formed with a plurality of protrusions protruding in a radial direction of rotation of the rotation shaft.

In the cleaning device according to one embodiment of the present application, water (cleaning liquid) is sprayed from the side of the sponge to maintain the sponge cleaning power of the roll part of the rotating shaft so that the sponge always has moisture to maintain the cleaning power and minimize foreign substances generated during washing. there is.

A package singulation system according to an embodiment of the present application includes a loading and unloading device introducing a strip; a package cutting device that cuts the strip into packages; A cleaning device according to an embodiment of the present disclosure for cleaning the cut package; and picking up a plurality of packages formed by cutting the strip from the package cutting device, transferring the picked-up packages to the cleaning device, and cleaning the picked-up packages with the cleaning device. It may include a picker device.

In the package singulation system according to an embodiment of the present invention, when the cleaning operation is performed, the picker device reciprocates in a direction adjacent to each other and picks up a plurality of packages by the plurality of rolls. It can be brought into contact with at least a part of the sponge.

The above-described problem solving means are merely exemplary and should not be construed as intended to limit the present disclosure. In addition to the exemplary embodiments described above, additional embodiments may exist in the drawings and detailed description of the invention.

According to the above-mentioned problem solving means of the present application, a plurality of packages can be cleaned by being in contact with the sponge being rotated by the rotating shaft. At this time, since the sponge is elastically deformed, it is freely deformed according to the external force applied by the package upon contact with the package, and can rub and clean not only the lower surfaces of the plurality of packages but also the side surfaces of the plurality of packages. Accordingly, a cleaning device that performs contact-type cleaning can be implemented, so that the cleaning effect for a plurality of packages can be increased.

1 is a schematic perspective view of a cleaning device according to an embodiment of the present disclosure.
2 is a schematic conceptual side view illustrating driving of a washing device and a picker device according to an embodiment of the present disclosure.
3 is a schematic perspective view of a cleaning device including a non-contact cleaning unit according to an embodiment of the present disclosure.
4 is a schematic conceptual plan view of a package singulation system according to an embodiment of the present disclosure.

Hereinafter, embodiments of the present application will be described in detail so that those skilled in the art can easily practice with reference to the accompanying drawings. However, the present disclosure may be implemented in many different forms and is not limited to the embodiments described herein. And in order to clearly describe the present application in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout this specification, when a part is said to be "connected" to another part, this includes not only the case of being "directly connected" but also the case of being "electrically connected" with another element in between. do.

Throughout the present specification, when a member is referred to as being “on,” “above,” “on top of,” “below,” “below,” or “below” another member, this means that a member is located in relation to another member. This includes not only the case of contact but also the case of another member between the two members.

Throughout the present specification, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

In addition, in the description of the embodiments of the present application, terms related to direction or position (upper side, etc.) are set based on the arrangement state of each component shown in the drawings. For example, when looking at FIGS. 1 to 3 , the direction of 12 o'clock may be an upward direction.

The present application relates to a cleaning device and a package singulation system including the same.

First, a cleaning device (hereinafter, referred to as 'this cleaning device') 1 according to an embodiment of the present disclosure will be described.

Referring to FIG. 1 , the cleaning apparatus 1 includes a plurality of roll units 11 adjacent to each other.

The roll unit 11 includes a rotatable rotation shaft 111 and a sponge 112 surrounding the rotation shaft 111 . The roll unit 11 is rotatable by the rotation of the rotating shaft 111 .

In addition, the sponge 112 may be made of a material containing a sponge. Since the sponge is obvious to those skilled in the art, a detailed description thereof will be omitted. Since the sponge 112 is made of a material including a sponge, it can absorb liquid (eg, washing liquid (water)) and discharge the absorbed liquid according to an external force applied thereto. In addition, since the sponge 112 is made of a material containing a sponge, it can be elastically deformed.

In addition, in order to maintain the cleaning power of the sponge 112 of the roll part 11 of the rotating shaft 111, water (cleaning liquid) is sprayed from the side of the sponge 112 so that the sponge 112 always has moisture to maintain the cleaning power and wash It is possible to minimize the foreign matter that comes out.

In addition, the sponge 112 may be provided to contact the cut package.

Also, the roll unit 11 may be in a state of being rotated when the cut package comes into contact with it. Accordingly, the cut package may come into contact with the sponge 112 being rotated, and thus, the cut package in contact with the sponge 112 may be cleaned by the rotation of the sponge 112 . In addition, at this time, the sponge 112 may discharge the absorbed cleaning liquid according to the pressure of the package (pressing force of the package) when in contact with the cut package, and the cleaning liquid discharged by the sponge 112 may be smeared on the cut package. can Accordingly, cleaning with a cleaning liquid (water) may be performed on the cut package.

In addition, since the sponge 112 is elastically deformed, when in contact with the package, the sponge 112 can be freely deformed according to the external force applied by the package. Accordingly, when in contact with the package, the portion pressed by the package It may be depressed and contact the lower surface of the package, and the side surface of the package may contact the surrounding area of the depressed portion of the sponge 112 . Accordingly, cleaning may be performed not only on the lower surface of the package but also on other parts (eg, side surfaces).

Also, referring to FIG. 1 , the sponge 112 may include a plurality of protrusions 1121 protruding outward in the rotational radial direction of the rotation shaft 111 . A contact area between the package and the sponge 112 may be increased by the protrusion 1121 . Accordingly, the cleaned area of the package may be increased compared to the case where the protrusion 1121 is not present.

Also, referring to FIG. 1 , the plurality of protrusions 1121 may be divided into a plurality of groups. One group may include a plurality of protrusions 1121 disposed along the longitudinal direction of the rotation shaft 111 . A plurality of groups may be arranged in a circumferential direction of the rotating shaft 111 . In addition, the centers of one group of protrusions 1121 and another group of protrusions 1121 adjacent to the one group in the circumferential direction of the rotation shaft 111 may not be adjacent to each other but may be staggered. Accordingly, the cleaning effect by the protrusion 1121 may be great.

In addition, the plurality of roll parts 11 may be provided in two.

Also, referring to FIG. 1 , the cleaning device 1 includes a rotation driving unit 12 that rotates each of the plurality of roll units 11 .

Referring to FIGS. 1 and 2 , the rotational drive unit 12 transmits the rotational force of the motor 121, the driving force transmission shaft 122 rotated by the motor, and the driving force transmission shaft 122 to each of the rotational shafts of the plurality of roll units 11. It may include a belt member 123 passing to (111). The motor 121 and the driving force transmission shaft 122 may be provided on the lower side of the accommodating part 13 to be described later, and the belt member 123 is one end in the longitudinal direction of the rotation shaft 111 of each of the plurality of roll parts 11. It may be provided to cover at least a portion and at least a portion of one end of the driving force transmission shaft 122. The belt member 123 is disposed to be in contact with at least a portion of the driving force transmission shaft 122 and at least a portion of the rotation shaft 111 of each of the plurality of roll parts 11 and can be rotated by the rotation of the driving force transmission shaft 122, , Rotation shafts 111 of each of the plurality of roll units 11 may be rotated by rotation of the belt member 123 .

In addition, the rotation driving unit 12 may include an auxiliary roller 124 for guiding rotation of the belt member 123 .

In addition, referring to FIGS. 1 and 2 , the cleaning device 1 may include a receiving portion 13 that is open upward and accommodates a plurality of rollers 11 .

In addition, at least some of the sponges 112 of the plurality of rollers 11 may be in a state in which the cleaning solution is absorbed during cleaning of the package. Accordingly, as described above, since the cleaning liquid absorbed by the sponge 112 is discharged according to the pressing force of the package upon contact with the cut package, the cleaning liquid can be performed on the package.

A state in which the sponge 112 absorbs the cleaning solution may be achieved by supplying the cleaning solution to the sponge 112 . For example, a worker may supply a cleaning solution to the sponge 112 so that at least a portion of the sponge 112 absorbs the cleaning solution.

Alternatively, a spraying unit for spraying the cleaning liquid toward the sponge 112 may be provided in the receiving part 13, and the cleaning liquid sprayed by the spraying unit reaches the sponge 112 so that the sponge 112 can absorb the sprayed cleaning liquid. there is. At this time, since the sponge 112 is rotated by the rotation of the rotating shaft 111, the point at which the cleaning liquid sprayed by the spraying unit arrives is a plurality of points along the circumferential direction of the sponge 112 according to the rotation of the sponge 112. may be formed, and thus, the cleaning solution may be evenly absorbed in various areas of the sponge 112 . In addition, the spraying unit may perform an operation of spraying gas. For example, the dispensing unit may inject the cleaning solution toward the sponge 112 and then inject the gas.

Alternatively, the accommodating part 13 may contain the cleaning liquid. The water level of the cleaning liquid may be set such that at least a part of the sponge 112 is immersed in (contacted with) the cleaning liquid. Accordingly, the accommodating part 13 may be provided to receive the cleaning liquid at a water level into which at least a portion of the sponge 112 (eg, a portion including the lowermost end of the sponge 112) can be immersed. By the rotation of the sponge 112, the sponge 112 is rotated, and the entire area is in contact with the cleaning solution, and at least a portion of the sponge 112 may absorb the cleaning solution. In this case, the accommodating part 13 may include a cleaning liquid supply unit for supplying the cleaning liquid to the internal space and a discharge unit capable of discharging the cleaning liquid in the internal space. Since this is obvious to those skilled in the art, a detailed description thereof will be omitted.

Also, referring to FIG. 3 , the cleaning device 1 may include a non-contact cleaning unit 14 .

The non-contact cleaning structure 14 may include a housing 141 . The housing 141 may be opened upward. Accordingly, when cleaning the package, the package may be located inside the housing 141 . In addition, a spray unit may be provided inside the housing 141 to spray a cleaning liquid (eg, water) to a package located in the housing 141 . In addition, a gas dispensing unit may be provided inside the housing 141 to inject gas to a package located in the housing 141 . The package can be cleaned in a non-contact manner by spraying a cleaning liquid or gas. The injected washing liquid may be accommodated in the housing 141, and a washing liquid discharge unit may be provided in the housing 141 to discharge the received washing liquid.

In addition, according to the foregoing, the plurality of roll units 11 come into contact with the package to clean the package, which can be referred to as a configuration for performing contact cleaning. For reference, the cleaning liquid of the non-contact cleaning unit 14 and the cleaning liquid of the plurality of roll units 11 may be made of different materials. However, it is not limited thereto, and the cleaning liquid of the non-contact cleaning unit 14 and the cleaning liquid of the plurality of roll units 11 may be the same. For example, it may be water.

Also, referring to FIG. 3 , the non-contact cleaning unit 14 may be adjacent to each other in a direction in which the plurality of roll units 11 and the plurality of roll units 11 are adjacent to each other. For example, the plurality of roll units 11 may be adjacent to each other in one and the other direction, and the cleaning device 1 may be located on one side of the plurality of roll units 11 .

Also, referring to FIG. 3 , the washing device 1 may include a gas ejection unit 15 . The gas injection unit 15 may be located between the plurality of roll units 11 and the non-contact cleaning unit 14 . The gas dispensing unit 15 may inject gas to a package located on its upper side.

Hereinafter, a package singulation system (hereinafter referred to as 'this system') according to an embodiment of the present application including the above-described present cleaning device 1 will be described. However, this system includes the cleaning device 1 described above, and shares the same or corresponding technical features and configurations as the cleaning device 1. Therefore, descriptions overlapping with those described in the present washing device 1 will be simplified or omitted, and the same reference numerals will be used for the same or similar components.

Referring to FIG. 4 , the system includes a loading and unloading device 2 introducing a strip. The magazine loaded with the strips can be loaded on the tray unit 21 of the loading and unloading device 2, and the magazine loaded on the tray unit 21 can be gripped by the clamp structure 22 and moved to a preparation position. And, the strip from the magazine moved to the preparation position can be transferred to the loading and unloading unit 23. The strip transferred to the loading and unloading unit 23 may be transferred to the chuck table 202 by the strip picker 201 . For reference, among the strips introduced into the present system by the loading and unloading device 2, the collected strips judged to be defective before being transferred to the package cutting device 3 described later may be transported to the tray unit 21, and the collected strips may be returned to the tray unit 21. Strips that are not determined as may be transferred to the package cutting device 3 .

Also referring to Fig. 4, the system includes a package cutting device 3 for cutting the strip into packages. The strip transferred to the chuck table 202 may be transferred to the package cutting device 3 and cut (separated) into individual packages in the package cutting device 3 .

Also, referring to Fig. 4, the present system includes the aforementioned cleaning apparatus 1 for cleaning the cut packages. The package formed by cutting the strip in the package cutting device 3 can be transferred to the cleaning device 1 and cleaned.

Also referring to FIG. 4 , the present system includes a picker device 6 . The picker device 6 may include a picker unit (reference numeral not assigned) and a rail guiding movement of the picker unit (reference numeral not assigned). The picker unit is movable along the rail. In addition, the picker unit can pick up (hold) the strip or package by adsorbing, and place (release the grip) the strip or package by desorbing. Since the picker device is obvious to those skilled in the art, a detailed description thereof will be omitted.

In addition, the picker device 6 includes an operation of picking up a plurality of packages formed by cutting the strip from the package cutting device 3, an operation of transferring the plurality of packages picked up to the washing device 1, and an operation of transferring the plurality of packages picked up. performs an operation of cleaning the washing device 1. That is, the picker device 6 (picker unit) can pick up a plurality of packages from the package cutting device 3, transfer them to the cleaning device 1, and clean the plurality of packages with respect to the cleaning device 1. there is.

Referring to FIG. 2 , the cleaning operation of the picker device 6 may include an operation of bringing a plurality of gripped packages into contact with a plurality of roll units 11 . When performing the operation of bringing a plurality of packages into contact with the plurality of roll parts 11, the plurality of roll parts 11 reciprocally move in adjacent directions and pick up the plurality of packages on the sponge 112 of the plurality of roll parts 11. At least part of it can be brought into contact. At this time, the plurality of roll parts 11 may be rotating. The plurality of roll parts 11 rotate around a rotation shaft extending in a direction perpendicular to the direction adjacent to each other, and the plurality of packages are reciprocally moved in the direction adjacent to each other by the picker device 6 And since it comes into contact with the plurality of roll parts 11, the cleaning effect on the package can be increased.

Also, the cleaning operation of the picker device 6 may include an operation of placing the gripped plurality of packages inside the housing 141 of the non-contact cleaning unit 14 . When the picker device 6 performs an operation of placing a plurality of packages inside the housing 141 of the non-contact cleaning unit 14, the non-contact cleaning unit 14 puts water or gas into the plurality of packages in the housing 141. can spray.

Also, the cleaning operation of the picker device 6 may include an operation of placing a plurality of packages on the gas ejection unit 15 . When the picker device 6 performs an operation of placing a plurality of packages on the gas dispensing unit 15, the gas dispensing unit 15 may inject gas into the packages. Also, the gas spraying unit 15 may spray a cleaning solution. Illustratively, the spraying unit for spraying the cleaning liquid on the sponge 112 and the gas spraying unit 15 for spraying gas on the package may share a nozzle for spraying the cleaning liquid and/or gas.

In addition, in the cleaning operation of the picker device 6, the operation of placing a plurality of packages on the gas ejection unit 15 moves the plurality of packages held inside the housing 141 of the non-contact cleaning unit 14. It may be performed between the positioning operation and the operation of bringing the gripped packages into contact with the plurality of roll parts 11 .

Also, referring to FIG. 4 , the system may include a drying device 4 for drying the washed packages. Packages washed in the cleaning device 3 may be transferred to the drying device 4 and dried. The conveying may be performed by a picker device 6 .

Also, referring to FIG. 4 , the system may include a grid table 5 on which dried packages are placed. Also, referring to FIG. 4 , the picker device 6 may transfer the packages dried in the dryer device 4 to the grid table 5 .

Also, referring to FIG. 4 , the present system may include an inspection unit 90 that inspects whether or not the brushed package is defective. Packages on the grid table 5 are transported to the inspection unit 90 and can be judged whether or not they are defective by the inspection unit 90 .

In addition, the system may include an alignment unit (not shown). Packages on the grid table 5 may be transferred to the aligning unit to be aligned, and then transferred to the inspection unit 90 after being aligned.

In addition, referring to FIG. 4 , the present system includes a package picker module 8 that transfers packages seated on the grid table 5 to the aligning unit or inspection unit 90, or from the arranging unit to the inspection unit 90. can include The package picker module 8 may sort the packages by holding the packages seated on the grid table 5 with the picker and loading them into the sorting unit. In addition, the package picker module 8 may transfer the packages aligned in the arranging unit to the inspection unit 90 for inspection.

In addition, the present system may include an off-load process unit 901 that classifies packages into defective packages and good packages according to the results of the inspection unit 90 . Packages determined as good packages are loaded on trays of some of the plurality of tray units (a, b, and c), and packages classified as defective packages are loaded on trays of some of the plurality of tray units (a, b, and c). can be loaded into The tray unit in which the tray on which the package loading is completed is seated may be moved and loaded into one of the plurality of tray stackers 9061a, 9061b, and 9061c, and a new tray may be seated in the tray unit.

In addition, supply and collection of trays to the first to third tray units a, b, and c may be performed by the tray picker unit 9062. It is explained in detail below.

The offload processing unit 901 may include a tray picker unit 9062 . The tray picker unit 9062 grips a new tray from the first tray stacker 9061a and places it on the first to third tray units a, b, and c, respectively, or the first to third tray units a , b, c) grips the tray on which the package has been placed, and places it on the second tray stacker 9061b, or receives a defective judgment from the first to third tray units a, b, and c. The tray on which the packages are placed can be gripped and placed on the third tray stacker 9061c.

Referring to FIG. 1, the tray picker unit 9062 is an X-axis rail unit 90621 extending in the X-axis direction while crossing the other side of the first to third Y-axis rails 9091, 9092, and 9093 in the Y-axis direction. ), is provided to be movable along the X-axis rail unit 90621 on the other side of the X-axis rail unit 90621 in the X-axis direction, and moves along the Y-axis rail unit extending in the Y-axis direction and the Y-axis rail unit It is possible and may include a tray picker unit 90623 capable of gripping the tray. Specifically, the x-axis rail unit 90621 is the other side in the Y-axis direction of the first to third Y-axis rails 9091, 9092, and 90 93 on the upper side of the first to third Y-axis rails 9091, 9092, and 9093. can cross

In addition, the present application provides a package cleaning method according to an embodiment of the present application using the cleaning apparatus described above. In the package cleaning method according to an embodiment of the present application, the package is brought into contact with the sponge 112 and the sponge 112 is rotated.

For reference, the sponge 112 may be in a state of absorbing the cleaning solution, and according to the package cleaning method according to an embodiment of the present application, since the sponge 112 is rotated while the package is in contact with the cleaning solution, the sponge absorbs the cleaning solution. Cleaning can be performed by spraying toward the package side by the pressing force of the package.

The above description of the present application is for illustrative purposes, and those skilled in the art will understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present application. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present application is indicated by the following claims rather than the detailed description above, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts thereof should be construed as being included in the scope of the present application.

1: washing device
11: roll part
111: axis of rotation
112: sponge
1121: protrusion
12: rotary drive unit
121: motor
122: driving force transmission shaft
123: belt member
124: auxiliary roller
13: receiving part
14: non-contact cleaning unit
141: housing
15: gas injection part
2: loading and unloading device
21: tray unit
22: clamp structure
202 chuck table
3: package cutting device
4: dry device
5: grid table
6: picker device
8: Package picker module
901: Off-road process department
90: inspection department

Claims (12)

In the washing device for washing the cut package,
A plurality of roll parts adjacent to each other; and
Including a rotation drive unit for rotating each of the plurality of roll units,
The roll part,
A washing device comprising a rotatable rotating shaft and a sponge surrounding the rotating shaft. According to claim 1,
The sponge is formed with a plurality of protrusions protruding outward in the rotation radial direction of the rotation shaft. According to claim 1,
The rotary drive unit,
motor;
a driving force transmission shaft rotated by the motor;
And a belt member for transmitting the rotational force of the driving force transmitting shaft to the rotational shaft of each of the plurality of roll units. According to claim 1,
The cleaning device further includes a receiving portion that is open upward and accommodates the plurality of rollers. According to claim 1,
Further comprising a non-contact cleaning unit spraying a cleaning solution to the package, the cleaning device. According to claim 5,
The cleaning device further includes a gas spraying unit disposed between the non-contact cleaning unit and the plurality of roll units to spray gas toward an upper side. In the package singulation system,
Loading and unloading device for introducing the strip;
a package cutting device that cuts the strip into packages;
a cleaning device according to claim 1 for cleaning the cut packages; and
A picker that performs operations of picking up a plurality of packages formed by cutting strips from the package cutting device, transporting the picked-up packages to the cleaning device, and cleaning the picked-up packages with the cleaning device. A packaged singulation system comprising a device. According to claim 7,
In the picker device, when the cleaning operation is performed, the plurality of rolls reciprocally move in adjacent directions and contact the plurality of packages picked up with at least a part of the sponge of the plurality of rolls. . According to claim 7,
The sponge of the cleaning device is formed with a plurality of protrusions protruding outward in the rotation radial direction of the rotation shaft. According to claim 7,
The package singulation system, wherein the cleaning device includes a non-contact cleaning unit for spraying a cleaning liquid on the package. According to claim 10,
The cleaning device further includes a gas spraying unit disposed between the non-contact cleaning unit and the plurality of roll units to spray gas upward. In the package cleaning method using the cleaning device according to claim 1,
A cleaning method in which a package is brought into contact with the sponge and the sponge is rotated.

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