CN1676228B - Classification discharging method for workpiece - Google Patents

Classification discharging method for workpiece Download PDF

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Publication number
CN1676228B
CN1676228B CN200510062964XA CN200510062964A CN1676228B CN 1676228 B CN1676228 B CN 1676228B CN 200510062964X A CN200510062964X A CN 200510062964XA CN 200510062964 A CN200510062964 A CN 200510062964A CN 1676228 B CN1676228 B CN 1676228B
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China
Prior art keywords
workpiece
classification
group
compressed
air
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CN200510062964XA
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Chinese (zh)
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CN1676228A (en
Inventor
小岛智幸
吉泽诚二
水野显治
小平晃久
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TOKYO WELLS CO Ltd
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TOKYO WELLS CO Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
    • B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
    • B62B3/0612—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground power operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
    • B62B3/06—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground
    • B62B3/0625—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment for simply clearing the load from the ground using rigid mechanical lifting mechanisms, e.g. levers, cams or gears

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Sorting Of Articles (AREA)

Abstract

Work pieces are carried by intermittently rotating the index table 2 containing the work pieces 4 in the holding holes 1, and during this period, electric characteristics of the work pieces 4 in the holding holes 1 of the index table 2 is measured by a measuring part 20. Based on the measured result of the electric characteristics from the measuring part 20, compressed air is jetted into the holding holes 1 by a classification control means 24, and the work pieces 4 is discharged from discharge chutes 25 to corresponding containers 26 according to the measured result. The classification control means 24 sorts the work pieces 4 into multiple groups, and sequentially discharges the work pieces 4 for every group during stopped period of the index table by compressed air.

Description

The classification discharging method of workpiece
Technical field
The present invention relates to utilizing chip shape electronic component that conveyers such as index table or conveyer belt transmit etc. (below be called workpiece) to carry out (following mensuration that is called typically) such as the mensuration of electrical characteristic or SHAPE DETECTION, and the classification discharging method of the workpiece of classification discharge.
Background technology
In the past, as the classification discharging method of workpiece, disclosed have for example index table of taking in a plurality of workpiece in retaining hole is intermittently rotated, and in the stopping of index table, the workpiece in the retaining hole is measured the method for electrical characteristic etc.Be accommodated in the interior workpiece of retaining hole of index table,, utilize the compressed air of sending from the classification controlling organization, discharge to the incorporating section via discharging chute afterwards according to the measurement result of electrical characteristic.
Be accommodated in the workpiece in the retaining hole of index table as mentioned above like that, utilize the compressed air of sending from the classification controlling organization and discharge.But owing to compare with the speed of measuring, the speed of discharge is very slow, therefore in recent years according to the requirement of high speed processing, wishes to concentrate together after a plurality of mensuration and discharges.And because tinyization of workpiece and the feeding pipe of air is also reduced in recent years because pipe resistance also limited air quantity delivered or pressure propagation, also must have Corresponding Countermeasures.At this moment, workpiece in the retaining hole utilizes compressed air to discharge in the stopping of index table, but when a plurality of workpiece utilize compressed air to discharge simultaneously, can cause compressed-air actuated rapid pressure to descend, often can not reliably workpiece be discharged to discharging the chute side in the retaining hole of index table.
Summary of the invention
The present invention considers this point and makes, and its purpose is to provide the classification discharging method of the workpiece of discharging in the retaining hole that can be reliably workpiece be provided with from conveyers such as index tables.
The present invention is the classification discharging method of workpiece, it is characterized in that: have the conveyer of taking in a plurality of workpiece in retaining hole is intermittently moved and the operation of conveying work pieces; In the intermittence of aforementioned conveyer moving process, utilize determination part to measure the operation of the electrical characteristic of the workpiece in the retaining hole; According to measurement result aforementioned conveyer is stopped, and utilizes from classification controlling organization compressed and supplied air from the electrical characteristic of the workpiece of determination part, with workpiece from the retaining hole of aforementioned conveyer via discharging the operation that chute is discharged to the incorporating section; The classification controlling organization is divided into a plurality of workpiece more than 2 groups, and utilizes compressed-air actuated injection that one group of group ground of workpiece is discharged successively when aforementioned conveyer stops.
The present invention is the classification discharging method of workpiece, it is characterized in that: the maximum number that pre-determines the group of being discharged when aforementioned conveyer stops.
The present invention is the classification discharging method of workpiece, it is characterized in that: the maximum number of the workpiece in each group is 2.
If employing the present invention can not consume a large amount of compressed air simultaneously, and the difference of the workpiece number of discharging simultaneously in each group reduces, thereby can reduce to influence the pressure differential of the discharge of workpiece.Therefore can stably utilize compressed air to discharge workpiece, can reduce the compressed-air actuated amount of consumption.
As described above, if adopt the present invention, thereby the compressed-air actuated expulsion pressure stabilisation when workpiece is discharged is stably discharged workpiece.Again, because the compressed-air actuated amount when having reduced workpiece and discharging, so also can reduce the capacity that the source takes place compressed air, thus be expected to reduce cost.
Description of drawings
Fig. 1 is the figure of classification discharger that the classification discharging method of workpiece of the present invention is carried out in expression.
Fig. 2 is the sequential chart of the classification discharging method of expression workpiece of the present invention.
Fig. 3 is the sequential chart of comparative example of the classification discharging method of expression workpiece.
The specific embodiment
Below, with reference to description of drawings form of implementation of the present invention.Fig. 1 and Fig. 2 are the figure of an embodiment of the classification discharging method of expression workpiece of the present invention.
At first introduce the classification discharger of workpiece.The classification discharger of workpiece has: base frame 5; The conveyer that is arranged on the base frame free sliding and has a plurality of retaining holes 1 that are used to take in electronic component (workpiece) 4 is an index table (the following workbench that also is called) 2; In the retaining hole 1 of index table 2, supply with the Workpiece supply portion 10 of workpiece 4; Workpiece 4 in the retaining hole 1 of index table 2 is carried out the determination part 20 of the mensuration of electrical characteristic.
Determination part 20 has lower electrode 8, upper electrode 9, connects the analyzer 11 of lower electrode 8 and upper electrode 9, and the measurement result of the electrical characteristic that analyzer 11 is measured is transported in the classification controlling organization 24.
And a plurality of discharge chutes 25 that are communicated with the retaining hole 1 of workbench 2 are set above workbench 2, and correspondence is respectively discharged chute 25 ground below workbench 2, and a plurality of pipe arrangements 23 that are communicated with retaining hole 1 are set on base frame 5.And each pipe arrangement 23 is attached on the classification controlling organization 24, and the ejiction opening 22 of each pipe arrangement 23 is supplied with to retaining hole 1 thereby make compressed air pass through ejiction opening 22 from pipe arrangement 23 at the surface opening of base frame 5.
Utilize above-mentioned a plurality of discharge chutes 25, a plurality of pipe arrangement 23, classification controlling organization 24 composition and classification portions 30.
Introduce the classification discharging method of workpiece below.At first in as the retaining hole 1 of the index table 2 of conveyer, supply with workpiece 4 from Workpiece supply portion 10.Afterwards, Yi Bian workbench 2 is intermittently rotated,, utilize analyzer 11 to measure the electrical characteristic of workpiece 4 Yi Bian in determination part 20, make the lower electrode 8 and upper electrode 9 contact workpieces 4 of base frame 5 one sides.The measurement result of the electrical characteristic of workpiece 4 sends to classification controlling organization 24 from analyzer 11.
When workbench 2 stops, with the retaining hole 1 of workpiece opposed to each other in the mensuration rank of corresponding certified products in the top of workbench 2 and defective work etc. and the discharge chute 25 of a plurality of divisions 30 is set.And, as described above, on the base frame 5 of bottom, at the ejiction opening 22 that each pipe arrangement 23 is set with discharge chute 25 opposed positions respectively.
Carried out after the mensuration of a plurality of workpiece, in classification controlling organization 24, when workpiece 4 arrives the position corresponding with the discharge chute 25 of regulation and workbench 2 and stops, to the compressed air of pipe arrangement 23 sides supply from compressed air source 24a.In retaining hole 1, spray from ejiction opening 22 to pipe arrangement 23 side compressed and supplied air, make the workpiece 4 in the retaining hole 1 discharge and be accommodated in the accommodating container 26 of regulation via discharging chute 25.
At this moment, qualified workpiece 4 is delivered to the accommodating container 26 that the certified products of corresponding level are used by discharging chute 25, and underproof workpiece 4 is transported to the accommodating container 26 that defective work is used by discharging chute 25.
Introduce the compressed-air actuated supply method of classification controlling organization 24 in more detail below.Classification controlling organization 24 is monitored the measurement result and the drain position of the electrical characteristic of the workpiece 4 on the retaining hole 1 that remains on the workbench 2 that intermittently rotates always.Even promptly also utilize classification controlling organization 24 to grasp the sum of the workpiece 4 that should discharge in this stopping period in the moment that workbench 2 stops.
As shown in Figure 2, a plurality of workpiece 4 that classification controlling organization 24 should be discharged in stopping period are divided into more than 2 groups, thereby utilize one group of group ground of compressed air to discharge workpiece 4 successively in the stopping period of workbench 2.This group is made of the group of discharging 1～discharge n, and workpiece 4 is that unit discharges simultaneously with each group.Like this, the workpiece 4 in the group is discharged simultaneously, if but the quantity of the workpiece 4 of each group descends with the now the same pressure that air rapidly can take place at most or the deviation of air spray volume, so the workpiece 4 of each group it is desirable to 1, but preferred maximum 2.When the workpiece 4 with each group is made as maximum 2, do not need to spray a large amount of air simultaneously like this, and utilize the gushing out of air of necessary irreducible minimum to discharge workpiece 4.And the air supply that does as usual in the stopping period of index table 2 is so can suppress the pressure oscillation of air.
The expulsion pressure P of (for example 2) when therefore, the maximum numbers in the group are discharged 2The expulsion pressure P of (for example 1) when discharging with minimum number 3Between pressure differential diminish.But air quantity delivered or pressure propagation in the stopping period are limited by device, so in the air quantity delivered of the discharge that does not influence group or the scope of air pressure, the maximum number n that sets the group in 1 stopping period is for example 4 groups.In addition, the discharge maximum number n in the group can change and change setting along with the condition of workpiece shape etc.
As described above, workpiece 4 is discharged on one group of group ground successively in the stopping period of workbench 2, so as shown in Figure 2, and the expulsion pressure P of [for example n=4 (being 3 in Fig. 2)] when many groups are discharged 2The expulsion pressure P of (for example n=2) when discharging with small number of groups 3Between pressure differential diminish.Therefore needn't improve the first pressing P of compressed air source 24a 1, and owing to also reduced the injection air amount, so also can reduce the capacity that source 24a takes place compressed air.
Again, as described above because can be from classification controlling organization 24 to pipe arrangement 23 side stable supplying compressed air, so even workpiece 4 miniaturizations also can be reliablely and stablely workpiece 4 discharged in accommodating container 26 from discharging chute 25.
The comparative example of the classification discharging method of workpiece of the present invention is described according to Fig. 3 below.
If change to pipe arrangement 23 compressed and supplied air from classification controlling organization 24, then can produce following problem.If promptly compressed air produces rapid pressure decline, then can not whole workpiece 4 be discharged in the accommodating container 26 by discharging chute 25, maybe can only discharge a part.
Discharging the reason of workpiece 4 only partially, is because for example along with tinyization of workpiece 4, the size decreases of pipe arrangement 23 because the resistance that the fine finishining of pipe resistance that air flows and ejiction opening 22 causes etc., the flow resistance difference that makes pipe arrangement 23 significantly due to.
In the Fig. 3 that illustrates as a comparative example, not with 4 groupings of a plurality of workpiece in the retaining hole 1, when utilizing compressed air to discharge in the stopping period of workbench 2 simultaneously, compressed-air actuated first pressing Pa is owing to a large amount of the injection declined to a great extent to Pb.Recover gradually after the compressed-air actuated pressure, when next stopping period was for example discharged 1 workpiece 4, pressure was Pc, and pressure descends very little.
Simultaneously, when discharging a plurality of workpiece 4 at the same time, because a large amount of compressed air consumption, the pressure of Pb descends big, but not necessarily can discharge whole workpiece 4 of having supplied with air.If the little pipe arrangement 23 of flow resistance considers also that then compressed air flows to the there, make workpiece 4 to cause damage from retaining hole 1 discharge and to workpiece 4 at a high speed.If the big pipe arrangement 23 of flow resistance, then air pressure is reduced and often can not discharge owing to compressed air is not enough again.And the pressure when discharging in order to reduce workpiece descends, and needs to enlarge the capacity of compressed air source, but can cause cost to rise.
And if employing the present application then can stably be discharged from discharging chute 25 workpiece 4 in the retaining hole 1 of workbench 2 reliably according to the measurement result of electrical characteristic to accommodating container 26 sides of correspondence always.

Claims (2)

1. the classification discharging method of a workpiece is characterized in that: have:
The conveyer of taking in a plurality of workpiece in retaining hole is intermittently moved and the operation of conveying work pieces;
In the intermittence of aforementioned conveyer moving process, utilize determination part to measure the operation of the electrical characteristic of the workpiece in the retaining hole;
Measurement result according to from the electrical characteristic of the workpiece of determination part stops aforementioned conveyer, utilize from classification controlling organization compressed and supplied air, with workpiece from the retaining hole of aforementioned conveyer via discharging the operation that chute is discharged to the incorporating section;
The classification controlling organization, a plurality of workpiece are divided into more than 2 groups, and when aforementioned conveyer stops, supplying with compressed air on one side all the time and utilize compressed-air actuated injection that one group of group ground of workpiece is discharged successively on one side, the change of the compressed-air actuated expulsion pressure when suppressing conveyer thus and stopping, described 2 groups of above groups comprise the group that comprises 2 workpiece and comprise the group of 1 workpiece.
2. the classification discharging method of workpiece as claimed in claim 1 is characterized in that: the maximum number that pre-determines the group of discharging when aforementioned conveyer stops.
CN200510062964XA 2004-03-31 2005-03-31 Classification discharging method for workpiece Active CN1676228B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP106384/04 2004-03-31
JP106384/2004 2004-03-31
JP2004106384A JP4372599B2 (en) 2004-03-31 2004-03-31 Sorting and discharging work

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CN1676228A CN1676228A (en) 2005-10-05
CN1676228B true CN1676228B (en) 2011-05-18

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KR (1) KR100887219B1 (en)
CN (1) CN1676228B (en)
TW (1) TW200533255A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5679195B2 (en) * 2011-05-27 2015-03-04 株式会社 東京ウエルズ Workpiece conveyance inspection device and workpiece conveyance inspection method
JP5676369B2 (en) * 2011-06-03 2015-02-25 株式会社クボタ Granule sorter
JP6219646B2 (en) * 2013-09-18 2017-10-25 大和製衡株式会社 Inspection sorting system and weight sorter
CN116412286B (en) * 2023-02-23 2023-12-15 珠海市奥德维科技有限公司 Pressure release mechanism, sorting system of electronic element and testing machine

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US3438489A (en) * 1967-05-19 1969-04-15 Mixte Pour L Etude Et Le Dev D Automatic sorting system for articles such as mailbags
US5568870A (en) * 1994-08-18 1996-10-29 Testec, Inc. Device for testing and sorting small electronic components
CN2367403Y (en) * 1999-02-03 2000-03-08 台北歆科科技有限公司 Sorting device of chip sorter
CN1082401C (en) * 1996-12-19 2002-04-10 西门子公司 Equipment for conveying sorted goods into a column in order and method thereof
US6435338B1 (en) * 1999-07-14 2002-08-20 Humo Laboratory, Ltd. Small-parts feed and conveying device
EP1240951A1 (en) * 1999-12-13 2002-09-18 Nkk Corporation Waste plastic separator
CN1102239C (en) * 1994-10-06 2003-02-26 株式会社爱德万测试 Automatic handler and method of measuring devices using the same

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US5190431A (en) * 1991-07-03 1993-03-02 Sym-Tek Systems, Inc. Separation and transfer apparatus

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Publication number Priority date Publication date Assignee Title
US3438489A (en) * 1967-05-19 1969-04-15 Mixte Pour L Etude Et Le Dev D Automatic sorting system for articles such as mailbags
US5568870A (en) * 1994-08-18 1996-10-29 Testec, Inc. Device for testing and sorting small electronic components
CN1102239C (en) * 1994-10-06 2003-02-26 株式会社爱德万测试 Automatic handler and method of measuring devices using the same
CN1082401C (en) * 1996-12-19 2002-04-10 西门子公司 Equipment for conveying sorted goods into a column in order and method thereof
CN2367403Y (en) * 1999-02-03 2000-03-08 台北歆科科技有限公司 Sorting device of chip sorter
US6435338B1 (en) * 1999-07-14 2002-08-20 Humo Laboratory, Ltd. Small-parts feed and conveying device
EP1240951A1 (en) * 1999-12-13 2002-09-18 Nkk Corporation Waste plastic separator

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Publication number Publication date
KR20060043452A (en) 2006-05-15
TWI324030B (en) 2010-04-21
JP4372599B2 (en) 2009-11-25
TW200533255A (en) 2005-10-01
CN1676228A (en) 2005-10-05
KR100887219B1 (en) 2009-03-06
JP2005288297A (en) 2005-10-20

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