CN112888299B - SMT line side bin material receiving reminding method - Google Patents

SMT line side bin material receiving reminding method Download PDF

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Publication number
CN112888299B
CN112888299B CN202110045946.XA CN202110045946A CN112888299B CN 112888299 B CN112888299 B CN 112888299B CN 202110045946 A CN202110045946 A CN 202110045946A CN 112888299 B CN112888299 B CN 112888299B
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China
Prior art keywords
chip mounter
station
materials
line side
material receiving
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CN202110045946.XA
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CN112888299A (en
Inventor
汪仁奎
蔡宇
张梓龙
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Yada Electronics Luoding Co ltd
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Yada Electronics Luoding Co ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04—Mounting of components, e.g. of leadless components
    • H05K13/0417—Feeding with belts or tapes
    • H05K13/0419—Feeding with belts or tapes tape feeders
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04—Mounting of components, e.g. of leadless components
    • H05K13/046—Surface mounting
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/08—Monitoring manufacture of assemblages
    • H05K13/085—Production planning, e.g. of allocation of products to machines, of mounting sequences at machine or facility level
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/08—Monitoring manufacture of assemblages
    • H05K13/086—Supply management, e.g. supply of components or of substrates
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Operations Research (AREA)
  • Supply And Installment Of Electrical Components (AREA)

Abstract

The invention discloses a SMT line side bin material receiving reminding method, which comprises the steps of calculating the residual length and residual time of material mounting according to the residual quantity of materials of a certain material number of a certain station of a current chip mounter inquired in real time, judging whether material receiving is reminded or not, informing a line side bin system of reminding the material receiving number by a chip mounter system when material receiving is needed, and displaying the material receiving station number by a billboard computer, so that the timeliness and the accuracy of material receiving reminding are improved, the time waste caused by material shortage shutdown of the chip mounter due to untimely material receiving is reduced, the production efficiency is improved, and the labor cost is reduced.

Description

SMT line side bin material receiving reminding method
[ technical field ]
The invention relates to a SMT line side bin material receiving reminding method.
[ background art ]
When SMT pastes the dress operation, by chip mounter feeder propelling movement material, chip mounter subsides the dress head and picks up and paste the dress material to the PCB board. Each station of the chip mounter loads one feeder, one feeder loads one roll of materials, and one product has tens to hundreds of different materials. In order to avoid stopping the chip mounter when replenishing the materials, a material receiving belt is generally used for receiving the next roll of standby materials.
The line side bin is used for storing surface-mounted materials required by the SMT current work order, each slot position is provided with an unique number and an LED indicating lamp, and a roll of materials is placed in each slot position. The corresponding relation between the material information and the slot position number is stored in a computer control system.
The prior art paster control system monitors the use condition of each feeder material and calculates the residual quantity of the materials, and when the residual quantity is smaller than a set value, the paster control system prompts material receiving. The operator scans the material label, the line side bin control system finds the materials with the same material number in the line side bin according to the material information of the scanned label, and the operator picks up the materials and refutes the materials through the prompt of the LED lamp.
In the prior art, a chip mounter system and a line side bin system are not connected, when the chip mounter system reminds receiving materials, an operator needs to scan labels of materials of an original feeder, and the line side bin system can find the materials, so that the workload of the operator is increased, and the production efficiency is low; in the prior art, the chip mounter only judges whether material receiving is needed according to the residual quantity of the materials. For different sizes of different packaged materials, even if the residual quantity is the same, the residual material roll length is different and even greatly different. If the same residual quantity is set in the system, the small-sized materials are guaranteed to have sufficient time for connecting the materials, the residual length of the large-sized materials is too long, an operator needs to take all the raw materials out of the old material roll, and a new material roll is wound after the materials are completely connected, so that the material connecting time of the operator is increased, and the production efficiency is influenced. In addition, in the prior art, the material consumption speed is not considered, the use amounts of materials with different material numbers are possibly different, and for materials with large use amounts, the same residual amount and less residual time can cause insufficient material receiving time, so that the machine is shut down and the production efficiency is influenced.
[ summary of the invention ]
The invention overcomes the defects of the technology and provides a SMT line side bin material receiving reminding method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a SMT line side bin material receiving reminding method comprises the following steps:
step S1, the number n of the patches of each mounting material and the distance L between two patches of the corresponding mounting material are set in the system of the chip mounter, and the maximum value L of the residual length of the corresponding material which is allowed to be connected is setmaxAnd a minimum value LminSetting a tag CLID code to identify different mounting materials, and setting a station number to identify a station of the chip mounter, wherein the CLID code is a unique identification code of a material roll, and material information can be inquired according to the CLID code;
step S2, loading the material coil on a feeder, loading the feeder on a chip mounter station, and starting production;
step S3, the chip mounter system inquires the residual chip quantity m of the surface-mounted materials corresponding to each chip mounter station1Obtaining the residual length L of the surface-mounted material1＝m1×l；
Step S4, after the interval time t, the chip mounter system inquires the residual chip quantity m of the surface-mounted materials corresponding to each chip mounter station2Obtaining the residual length L of the surface-mounted material2＝m2X l, to obtain a material residual time T ═ m2/((m1-m2)/t)；
Step S5, judging the residual length L of the surface mount material detected by each chip mounter station in real time2Maximum value L of residual length of material corresponding to allowable connectionmaxMinimum value L of residual length of corresponding material allowed to be connectedminIs close toIs when L is2＞LmaxThen L is made1＝L2And returns to step S4; when L ismin＜L2＜LmaxIf yes, go to step S6; when L is2＜LminIf yes, go to step S7;
step S6, arranging the materials according to the sequence of the remaining time T from small to large, displaying the sorted station numbers, material numbers and remaining time information on a billboard computer, judging whether the remaining time of the materials of the chip mounter station is arranged in the first three, if so, skipping to step S7, and if not, enabling L to be L1＝L2And returns to step S4;
and step S7, the chip mounter system informs the line side bin system to remind the connection material number, the billboard computer displays the connection material station number, and the step S3 is returned.
As mentioned above, the SMT line side bin material receiving reminding method is characterized in that: in step S3, the chip mounter system calculates the number n of chips used in the chip mounter station1To obtain m1＝n－n1(ii) a Step S4 is that the chip mounter system calculates the number n of chips used by the chip mounter station2To obtain m2＝n－n2。
As mentioned above, the SMT line side bin material receiving reminding method is characterized in that: after the material is connected in step S7, the number n of patches for mounting the material on the station number of the connected material is n + m2
The SMT line side bin material receiving reminding method is characterized in that: and the chip mounter system and the line side bin system are communicated through WebService.
The SMT line side bin material receiving reminding method is characterized in that: a line side bin in the line side bin system is provided with a plurality of slot positions, a roll of mounting materials is placed in each slot position, the line side bin system records the material numbers of the materials stored in the slot positions, and the line side bin system controls the slot position indicator lamps to emit light according to the material numbers which are used for reminding the chip mounter system to plug into.
The invention has the beneficial effects that:
according to the residual quantity of the materials of a certain feeder station of the chip mounter, which is inquired and calculated in real time, the residual length and the residual time of the material mounting are calculated. And if the residual length is less than or equal to the lower limit of the allowed material receiving length, immediately reminding material receiving, and if the residual length is between the upper limit and the lower limit of the allowed material receiving length, selecting 3 material stations with the shortest residual time to prompt material receiving according to the residual time sequence of the mounted materials of all the stations. The invention improves the timeliness and the accuracy of material receiving reminding, reduces the occurrence of material shortage and shutdown caused by untimely material receiving, and improves the production efficiency; meanwhile, the upper limit and the lower limit of the allowable residual length and the arrangement of the material interval are only related to the size and the package of the material, and are not related to the product, so that the system is easy to maintain.
[ detailed description of the invention ]
The following is described in further detail by way of embodiments of the invention:
a SMT line side bin material receiving reminding method comprises the following steps:
step S1, setting a CLID code to identify different mounting materials, and setting a station number to identify a station of the chip mounter, wherein the CLID code is a unique identification code of a material roll, and material information can be inquired according to the CLID code; when preparing the patch materials needed by a work order, the label of the material roll is scanned, and the system inquires the material information in the system according to the unique identification CLID code of the material roll, such as the material number p/n, the material quantity n, some settings related to the receiving system and the like. If the material number does not set the information needed by the material receiving system in the system, the operator needs to input the relevant information, such as setting the packing space L of the material belt and setting the upper and lower limits L of the length of the material allowed to be receivedmaxAnd Lmin。
The packaging interval l is used for calculating the length of the residual materials according to the quantity of the residual materials;
upper and lower limits L of length of material allowed to be connectedmaxAnd LminUsed for judging whether to allow material receiving. When materials are connected, if the residual materials on a feeder of the chip mounter are too long, the material belt is easy to distort and deform when the materials are pulled out from the previous material coil, the materials are damaged, and the quality of the materials is poor, so that an operator needs to spend more time to take the overlong materials out of the previous material coil and to coil the connected materials to the next material coil; if labelWhen the residual material belt on the feeder of the sheet machine is too short, the residual materials are all fed into the feeder, so that the materials cannot be connected, the feeder needs to be stopped to be taken down, the materials are reloaded, and the production efficiency is damaged. Therefore, the maximum value L of the upper limit and the lower limit of the residual length of the corresponding materials which are allowed to be connected is required to be setmaxAnd a minimum value Lmin；
Step S2, loading the material roll onto a feeder, loading the feeder onto a chip mounter station, and starting production;
step S3, the chip mounter system calculates the number n of chips used by the chip mounter station1Therefore, the chip mounter system can inquire the residual chip mounting number m of the corresponding chip mounting materials of each chip mounter station1＝n－n1Thereby obtaining the residual length L of the mounting material1＝m1×l；
Step S4, after interval time t, the chip mounter system calculates the number n of the chips used by the chip mounter station2The chip mounter system inquires the residual chip mounting number m of the corresponding mounting materials of each chip mounter station2＝n－n2Thereby obtaining the residual length L of the mounting material2＝m2X l, to obtain a material residual time T ═ m2/((m1-m2)/t)；
Step S5, judging the residual length L of the surface mount material detected by each chip mounter station in real time2Maximum value L of residual length of material corresponding to allowable connectionmaxMinimum value L of residual length of corresponding material allowed to be connectedminIn relation to each other when L2＞LmaxThen, then L1＝L2And returns to step S4; when L ismin＜L2＜LmaxIf yes, go to step S6; when L is2＜LminIf yes, go to step S7;
step S6, arranging the materials according to the sequence of the remaining time T from small to large, displaying the sorted station numbers, material numbers and remaining time information on a billboard computer, judging whether the remaining time of the materials of the chip mounter station is arranged in the first three, if so, skipping to step S7, and if not, enabling L to be L1＝L2And returns to step S4;
step S7, the chip mounter system informs the line side bin system to remind the material number of plugging into, the line side bin in the line side bin system is provided with a plurality of slots, a roll of mounted materials is placed in each slot, the line side bin system records the material number of the materials stored in each slot, the line side bin system controls the slot indicator lamp to emit light according to the reminding material number of plugging into of the chip mounter system, the material station number of plugging into is displayed through the signboard computer at the same time, the number n of patches for mounting the materials on the material station number of plugging into is n + m2Returning to step S3; before the material receiving is finished, the remaining time of the material number of the station is still in the sequencing queue, so that excessive new material receiving reminding is prevented from being generated before the material receiving is finished. After the material receiving is finished, newly received materials are added to the residual quantity of the materials of the material number of the station, and the newly received materials are naturally discharged to the back after being rearranged.
The chip mounter system and the line side bin system are communicated through WebService.

Claims (5)

1. A SMT line side bin material receiving reminding method comprises the following steps:
step S1, the number n of the patches of each mounting material and the distance L between two patches of the corresponding mounting material are set in the system of the chip mounter, and the maximum value L of the residual length of the corresponding material which is allowed to be connected is setmaxAnd a minimum value LminSetting a tag CLID code to identify different mounting materials, and setting a station number to identify a station of the chip mounter, wherein the CLID code is a unique identification code of a material roll, and material information can be inquired according to the CLID code;
step S2, loading the material roll onto a feeder, loading the feeder onto a chip mounter station, and starting production;
step S3, the chip mounter system inquires the residual chip mounting number m of the mounted materials corresponding to each chip mounter station1To obtain the residual length L of the surface-mounted material1=m1×l；
Step S4, after time t, the chip mounter system inquires the residual chip mounting number m of the mounting material corresponding to each chip mounter station2Obtaining the residual length L of the surface-mounted material2=m2X l, to obtain a material remaining time T = m2/（（m1- m2）/t）；
Step S5, judging the residual length L of the mounting material detected by each chip mounter station in real time2Maximum value L of residual length of material corresponding to allowable connectionmaxMinimum value L of residual length of corresponding material allowed to be connectedminIn relation between each other, when L2＞LmaxThen, then L1= L2And returns to step S4; when L ismin＜L2＜LmaxIf yes, go to step S6; when L is2＜LminIf yes, go to step S7;
s6, arranging the materials according to the sequence of the remaining time T from small to large, displaying the sorted station numbers, the material numbers and the remaining time information on a billboard computer, judging whether the remaining time of the materials at the station positions of the chip mounter is arranged in the first three, if so, jumping to S7, and if not, enabling L to be arranged in the second three1= L2And returns to step S4;
and step S7, the chip mounter system informs the line side bin system to remind the connection material number, the billboard computer displays the connection material station number, and the step S3 is returned.
2. The SMT line edge bin material receiving reminding method according to claim 1, wherein: in step S3, the chip mounter system calculates the number n of chips used in the chip mounter station1To obtain m1= n－n1(ii) a Step S4 is that the chip mounter system calculates the number n of chips used by the chip mounter station2To obtain m2= n－n2。
3. The SMT line edge bin material receiving reminding method according to claim 2, wherein: in step S7, the number n = n + m of patches of the surface-mounted material on the material station number of the material to be connected after the material to be connected is connected2。
4. The SMT line edge bin material receiving reminding method according to claim 1, wherein: the chip mounter system and the line edge bin system are communicated through WebService.
5. The SMT line edge bin material receiving reminding method according to claim 1, wherein: a plurality of groove positions are arranged in a line side bin in the line side bin system, a roll of mounting materials is placed in each groove position, the line side bin system records the material numbers of the materials stored in the groove positions, and the line side bin system controls the groove position indicator lamps to emit light according to the material numbers which are used for reminding the chip mounter system to plug into.
CN202110045946.XA 2021-01-14 2021-01-14 SMT line side bin material receiving reminding method Active CN112888299B (en)

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