CN106984549B - A kind of automatic piece supplying table and control method for halved belt sorter - Google Patents

A kind of automatic piece supplying table and control method for halved belt sorter Download PDF

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Publication number
CN106984549B
CN106984549B CN201710247981.3A CN201710247981A CN106984549B CN 106984549 B CN106984549 B CN 106984549B CN 201710247981 A CN201710247981 A CN 201710247981A CN 106984549 B CN106984549 B CN 106984549B
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section
package
mail
pallet
time
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CN106984549A (en
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余飞
赵博华
朱晓建
丁莉
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China Post Technology Co.,Ltd.
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SHANGHAI POST SCIENCE INST
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00Sorting according to destination
    • B07C3/02Apparatus characterised by the means used for distribution
    • B07C3/08Apparatus characterised by the means used for distribution using arrangements of conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00Sorting according to destination
    • B07C3/10Apparatus characterised by the means used for detection ofthe destination
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00Sorting according to destination
    • B07C3/10Apparatus characterised by the means used for detection ofthe destination
    • B07C3/14Apparatus characterised by the means used for detection ofthe destination using light-responsive detecting means

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  • Sorting Of Articles (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

A kind of automatic piece supplying table for halved belt sorter, using nine segmentation structures, first segment will be set as near the piece uploading section of main ring, and it successively sorts, the mitered section that will be close to belt feeder is set as the 9th section, the setting measurement photoelectricity portal frame between the 6th section and the 7th section, for measuring the size of package, 7th section therein is connected by bus with control system as weighing section, the driving motor of whole nine sections.Control system includes master controller, and master controller is connected with frequency converter, upper packet track plates, analog I/O module, belt feeder, main ring PLC, piece supplying table terminal.

Description

A kind of automatic piece supplying table and control method for halved belt sorter
Technical field
The invention belongs to logistics equipment technical field more particularly to a kind of automatic piece supplying table controls for halved belt sorter Method processed.
Background technique
Piece supplying table is one of the core equipment of halved belt sorter.Piece supplying table be used for by a certain size, the mail of quality, packet It wraps up in and is automatically imported into main ring, while e-mail messages are sent to main ring PLC.Traditionally, piece supplying table needs manually at end Set part section goods of furniture for display rather than for use.With the promotion of human cost, postal, requirement of the logistic industry to the degree of automation of equipment is increasingly Height needs to develop a be able to satisfy and saves artificial goods of furniture for display rather than for use, directly the automatic piece supplying from direct piece uploading of unloading mouth through belt feeder and transmit Platform.Since piece uploading position is far from piece supplying table and unattended, this just proposes the efficiency of piece supplying table and piece uploading accuracy higher Requirement.
The piece supplying table currently generallyd use is generally two sections or four-part form, they or to package or referred to as mail is put Position requires or efficiency is inadequate, is unable to satisfy extensive self-propagating demand.In general, increasing belt number of segment and subtracting Few every segment length, can make the control mode of mail more flexible, and then can improve efficiency, but can also propose to control mode higher Requirement.In addition, it is contemplated that the charging of package, it is necessary to the weight information comprising mail, it is therefore necessary to which exploitation is with function of weighing High efficiency piece supplying table.
It is 2200~2400/hour that piece supplying table peak efficiency, which is commonly used, and automatic piece supplying table will reach 3000 More than.With increasing for mail number of segment, the position of mail how is accurately positioned under the premise of meeting maximal efficiency, reduces postal Part spacing, and the problem of the package is accurately sent on the pallet of main ring, is related to Mail tracking and piece uploading.Mail is from upper Swim belt feeder and be sent into automatic piece supplying table, before through portal frame, it is necessary to carry out mail compartment away from adjusting, to prevent small spacing It generates.In addition, if wrapping up relatively more on main ring, occur needing to wait the case where wrapping, it is necessary to control each belt section and upstream The start and stop of belt feeder.For section of weighing, raising as far as possible is needed to connect packet efficiency under the premise of weighing is accurate.
Summary of the invention
The present invention provides a kind of automatic piece supplying table control method of nine segmentations used suitable for halved belt sorter.
A kind of automatic piece supplying table for halved belt sorter will be near the piece uploading section of main ring using nine segmentation structures It is set as first segment, and is successively sorted, the mitered section that will be close to belt feeder is set as the 9th section,
The setting measurement photoelectricity portal frame between the 6th section and the 7th section, for measuring the size of package,
7th section therein is used as weighing section,
All the driving motor of nine sections is connected by bus with control system.
Control system includes master controller, master controller and frequency converter, upper packet track plates, analog I/O module, belt feeder, master Ring PLC, piece supplying table terminal are connected.
The sequence of package operation is from the 9th section to first segment, and the rate-determining steps of automatic piece supplying table include:
S101 empties the 9th time for following timer when belt feeder is left in the tail portion of package,
When it is zero that the 8th section, which follows flag bit, the 9th section follows the value of timer according to the 9th section to determine stopping for this section Only, if the value is greater than a particular value, illustrate that this section package has been walked far, stop again after packet can be connect, it otherwise must be immediately Stop;
S102 follows flag bit according to the 7th section when package enters the 8th section and blocks the 8th section of mail-detection photoelectricity Determine the operation of current mail,
If the 7th section follow flag bit be 0, stop the 8th section, wait the 7th section follow flag bit be 1 after restart, The range ability of dynamic monitoring package in the process, range ability is no more than the 8th section when guaranteeing to stop;
S103 starts to weigh when wrapping up completely into the 7th section, and after reaching the weighing time, stopping weighing simultaneously starts to connect Weighing data is received, if range ability has been more than set distance at this time, enable bit is tracked according to piece uploading to determine current mail Operation,
If it is 0 that piece uploading, which tracks enable bit, stops the 7th section, restart after waiting the position 1;
S104, package are moved into measurement photoelectricity with the 7th section, and the value of feedback according to code-disc and measurement photoelectricity is real-time Calculate length, the width parameters of mail;
S105 moves forward after package completes dimensional measurement and enables to communicate,
If receiving the trigger signal of track photoelectricity, automatic station works as front tray number and pallet state to main ring PLC inquiry, if It replys when front tray number and pallet is available, pallet is inquired to infrared track plates by serial ports, if pallet reply allows packet, is led to Letter terminates, and package enters synchronous phase;
S106, if communication failure cause the pallet can not piece uploading, judge whether to second of communication,
If second can be completed before dynamic communication end point to communicate, carries out second and communicates,
It communicates and successfully then enters synchronous phase,
If communicated during uniform motion it is unsuccessful, package slow down simultaneously continue to communicate after a stop, Zhi Daotong Letter is successfully entered synchronous phase;
S107 after communicating successfully, calculates upper bag parameter according to the move distance of current mail, position of form center parameter, for The package moved calculates its time for continuing uniform motion, to the package stopped calculating that it continues waiting for when Between,
After reaching corresponding uniform motion or waiting time, package enters boost phase and accelerates to synchronous speed always Hereafter degree continues movement with the synchronizing speed and is sent into pallet until will wrap up;
S108, displacement of the automatic piece supplying table by each section of code-disc real-time detection current package in piece supplying table, and with this As the transmitting of mail serial number, the foundation of speed control.
The present invention in view of the shortcomings of the prior art, realizes all satisfactory specification mails are steady, accurate import Main ring pallet.Belt number of segment after automatic piece supplying table of the invention, especially portal frame measurement photoelectricity is more, corresponding each section of belt Length also reduces, so that the spacing between package also accordingly becomes smaller, and is conducive to improve efficiency.In halved belt sorter The automatic piece supplying table of nine segmentations actual use in obtain good effect.
Detailed description of the invention
Fig. 1 is the automatic piece supplying table schematic diagram of nine segmentations in the embodiment of the present invention.
Fig. 2 control method flow diagram of the present invention.
Principle of Communication figure in Fig. 3 embodiment of the present invention
Wherein: 1 --- first segment belt, 2 --- second segment belt, 3 --- third section belt, 4 --- the 4th section of belt, 5 --- the 5th section of belt, 6 --- the 6th section of belt, 7 --- the 7th section of belt, 8 --- the 8th section of belt, 9 --- the 9th section of skin Band, 10 --- the measurement photoelectricity portal frame of the photoelectricity containing detection, 11 --- detect photoelectricity between seven or eight sections, 12 --- the 8th section of detection light Electricity, 13 --- track triggers photoelectricity, 14 --- infrared track plates 1,15 --- infrared track plates 2.
Specific embodiment
Control system of the invention is to will be close to the triangle section (piece uploading section) of main ring as first segment, and successively sort, will Mitered section close to belt feeder is as the 9th section.The setting measurement photoelectricity portal frame between the 6th section and the 7th section, for measuring The size of mail, the 7th section is weighing section.Nine sections of motors pass through Frequency Converter Control, and pass through Profibus-DP bus system It is connected with control system.Control system using programmable logic controller (PLC) as master cpu, by DP module (and frequency converter), Serial port module (and upper packet track plates), analog I/O module and associated peripheral, device are attached and communicate, and pass through Profinet interface and belt feeder, main ring PLC, piece supplying table terminal are communicated.Technical solution of the present invention be suitable for mail and Package, mail and package are same meanings in control.
The control method of the automatic piece supplying table of nine segmentations for halved belt sorter, includes the following steps:
A) when belt feeder is left in the tail portion of package, program can empty the 9th time for following timer.When the 8th section with When with flag bit being zero, the 9th section follows the value of timer according to the 9th section to determine the stopping of this section.If the value is greater than one Particular value then illustrates that this section of mail has been walked far, stops again after can connecing packet, otherwise must stop immediately.In the step, the 9th Duan Qiting logic control upstream belt feeder, mail enter automatic station control.
B) when mail enters the 8th section and blocks the 8th section of mail-detection photoelectricity, program follows flag bit according to the 7th section To determine the operation of current mail.If it is 0 that the 7th section, which follows flag bit, stops the 8th section, wait the 7th section and follow mark Position is restarts after 1, the range ability of program dynamic monitoring mail in the process, and range ability is no more than the when guaranteeing to stop Eight sections.In the step, weighing section enters mail control, guarantees the uniqueness of weighing mail.
C) when wrapping up completely into the 7th section, start to weigh, after reaching the weighing time, stop weighing and start to receive title Tuple evidence.If range ability has been more than set distance at this time, program tracks enable bit according to piece uploading to determine the fortune of current mail Row.If it is 0 that piece uploading, which tracks enable bit, stops the 7th section, restart after waiting the position 1.To Weighing control in the step And control mail piece uploading order.
D) mail is moved into measurement photoelectricity with the 7th section, and program is real-time according to the value of feedback of code-disc and measurement photoelectricity Calculate the parameters such as length, the width of mail.
E) it after mail completes dimensional measurement, moves forward and enables communication.If receiving the triggering of track photoelectricity Signal, automatic station work as front tray number and pallet state to main ring PLC inquiry.If replying when front tray number and pallet being available, journey Sequence passes through serial ports and inquires pallet to infrared track plates, if pallet reply allows packet, sign off, mail enters same step Section.
If f) communication failure cause the pallet can not piece uploading, program determines whether that carrying out second communicates.If in dynamic Second can be completed before sign off point to communicate, then carries out second and communicate.Communication process is identical with first time, communicates successfully then Into synchronous phase.If communicated during uniform motion it is unsuccessful, mail slow down simultaneously continue to communicate after a stop, directly Synchronous phase is successfully entered to communication.The step realizes that mail moves upper packet communication control.
G) after communicating successfully, program calculates upper bag parameter according to parameters such as move distance, the position of form center of current mail.Just Its time for continuing uniform motion is calculated in the mail of movement, the mail stopped calculating its time continued waiting for. After reaching corresponding uniform motion or waiting time, mail enters boost phase and accelerates to synchronizing speed always, hereafter with The synchronizing speed continues movement until mail is entered pallet.The step is upper packet motion control step.
H) displacement of the automatic station by each section of code-disc real-time detection current mail in piece supplying table, and in this, as mail Serial number transmitting, speed control foundation.
Below with reference to specific implementation case and attached drawing, the present invention is further explained:
It 1) is first segment close to main ring as shown in Figure 1, automatic station is divided into 9 sections, and so on, close to upstream belt feeder It is the 9th section.After booting, in the case where main ring speed is the speed of service of 2.0m/s, first segment is transported by synchronizing speed 2.3m/s Row, second segment are run to the 8th section by 1.5m/s, and the 9th section is run by 2.0m/s.Control system PLC is total by Profibus-DP Line and the communication of each section of frequency converter, control for the start-stop to each section, revolving speed.The automatic piece supplying table of nine segmentation can and very well With upstream belt feeder cooperate, improve efficiency to the greatest extent, guarantee weighing, piece uploading Stability and dependability.
2) 1~8 section of the automatic station is equipped with code-disc, and obtains code-disc number by photoelectricity and obtain range ability, in real time Range ability of the mail in entire piece supplying table is obtained, program can be made to be more accurately located mail position, controls each section of mail Transmitting, reduce mail compartment to the greatest extent away from accurately controlling each section of speed.Operation to the entire piece supplying table of mail simultaneously Journey was divided into part, weighing, communication, piece uploading each stage, and different mail serial numbers is arranged, and avoided the mutual relevant of each process It disturbs, improves efficiency.
3) automatic station is by an ethernet port and upstream belt feeder exchange state information, and passes through a hard contact reality When control upstream belt feeder whether can to automatic station transmit mail.Photoelectric detection system is equipped between automatic station and belt feeder, often When there is mail to be allowed to enter the 9th section, automatic station, which will receive the mail and enter information and empty the 9th section, follows timer Time.Program determines the 9th section of operation according to the 8th section of operating status and issues the control command of upstream belt feeder.When 8th section follows flag bit when being zero, then follows the value of timer according to the 9th section to determine whether the 9th section stop.If the value Greater than one particular value then illustrates that this section package has been walked far, stops again after can connecing packet, otherwise must stop immediately and upward Trip belt feeder transmission is ceased and desisted order.
4) after mail enters the 9th section from upstream belt feeder, the faster speed of the section can make mail be easier to be flushed to the Eight sections of middle positions.After mail enters the 8th section, run at the 8th section of mail-detection photoelectricity (as shown in figure 1 shown in label 12 Position) after, automatic station is by this section of range ability value zero setting.Judge that the 7th section follows flag bit at this time, if the flag bit is 1, Mail can continue to move forwards.If 0, then waiting of stopping immediately.If the 7th section following flag bit in continuing to run Become 0, equally stop waiting and the range ability of judgement at this time immediately.If not can guarantee the mail to be parked in front of the 7th section, Reporting system failure.
5) the 7th section be weighing section, the section require mail weighing when must remain a constant speed movement and mail number it is unique, To guarantee the accuracy of weighing.The length of weighing section is usually set to S1=V*T+Lmax+Lplus, wherein V is the 7th section of operation speed Degree, T are that dynamic claims response time, LmaxFor the maximum size of an item, LplusFor design margin.It is equipped between 7th section and the 8th section Photoelectricity is detected, for detecting the entrance of mail.When thering is mail to enter, that is, empty the range ability value of this section.When mail completely into It after entering the section, then immediately begins to weigh, after reaching the weighing time, stops weighing and start to receive weighing data.Mail at this time Continue to move forwards, if range ability has been more than set distance, program tracks enable bit according to piece uploading to determine current mail Operation.If the position is 0, stops the 7th section, restart after waiting the position 1.
6) mail is moved into measurement photoelectricity with the 7th section, and program is according to the value of feedback of range ability and measurement photoelectricity Length, width and the area of mail are calculated in real time.
7) it after mail completes dimensional measurement, moves forward and starts to carry out packet communication.As shown in figure 3, Main ring track is respectively equipped with track triggering photoelectricity (13 in Fig. 2), infrared track plates 1 (14 in Fig. 2), red close to piece supplying table short side Outer rail guidance tape 2 (15 in Fig. 2).If track photoelectricity receive trolley head by when trigger signal, automatic station i.e. to main ring PLC ask It asks currently through pallet number and pallet state.If main control PLC is replied when front tray number and pallet is available, automatic station can be with pallet It is communicated.Program inquires small car state to infrared track plates 1 by serial ports, which is led to by infrared and pallet Letter.If pallet, which replys infrared track plates 2, to be allowed piece uploading and message is returned to automatic station, sign off.Its flow chart such as Fig. 3 institute Show.
8) program is equipped with a dynamic communication halt.The distance of the point and initiation of communication point are as follows:
S2=(T1+T2) * V0, T1 is time of the pallet by triggering photoelectricity, and T2 is the pallet communication timeout time.
If communication does not obtain effective piece uploading information for the first time, and can complete second before dynamic communication halt and lead to Letter, then carry out communicating for second.Communication process is identical with first time.If communicating unsuccessful, mail during uniform motion Slow down in dynamic communication end point and continue to communicate after a stop, waits to be communicated being successfully entered the piece uploading stage.
9) after communicating successfully, program calculates upper bag parameter according to parameters such as move distance, the position of form center of current mail.Just Its time for continuing uniform motion is calculated in the mail of movement, the mail stopped calculating its time continued waiting for. After reaching corresponding uniform motion time or waiting time, mail enters boost phase and accelerates to synchronizing speed always, this Movement is continued with the synchronizing speed until mail is sent into pallet afterwards.Since first segment is run with synchronizing speed, if calculating Synchronizing speed has not yet been reached when entering first segment in mail, then first segment speed needs, which are dropped to second segment speed sync, connects postal Part.

Claims (1)

1. a kind of automatic piece supplying table for halved belt sorter will be set using nine segmentation structures near the piece uploading section of main ring For first segment, and successively sorting, the mitered section that will be close to belt feeder is set as the 9th section,
The setting measurement photoelectricity portal frame between the 6th section and the 7th section, for measuring the size of package,
7th section therein is used as weighing section,
All the driving motor of nine sections is connected by bus with control system,
Control system includes master controller, master controller and frequency converter, upper packet track plates, analog I/O module, belt feeder, main ring PLC, piece supplying table terminal are connected,
It is characterized in that, the sequence of package operation is from the 9th section to first segment, the rate-determining steps of automatic piece supplying table include:
S101 empties the 9th time for following timer when belt feeder is left in the tail portion of package,
When it is zero that the 8th section, which follows flag bit, the 9th section according to the 9th section follows the value of timer to determine the stopping of this section, If the value is greater than a particular value, illustrates that this section package has been walked far, stop again after packet can be connect, otherwise must stop immediately Only, while informing that belt feeder stops piece supplying, wherein
Follow flag bit for indicating whether the package of the last period is able to enter this section, it, should when this section stops or has package Flag bit is 0;
S102 follows flag bit according to the 7th section to determine when package enters the 8th section and blocks the 8th section of mail-detection photoelectricity Determine the operation of current mail,
If the 7th section follow flag bit be 0, stop the 8th section, wait the 7th section follow flag bit be 1 after restart, herein The range ability of dynamic monitoring package in the process, range ability is no more than the 8th section when guaranteeing to stop;
S103 starts to weigh when wrapping up completely into the 7th section, after reaching the weighing time, stops weighing and start to receive title Tuple evidence determines the operation of current mail according to piece uploading tracking enable bit if range ability has been more than set distance at this time,
If it is 0 that piece uploading, which tracks enable bit, stops the 7th section, restarts after waiting the position 1, wherein
Piece uploading tracking enable bit or has been completed to wrap, permitted for indicating that previous package has been communicated with pallet successfully Perhaps subsequent package starts the measurement carried out and synchronizes;
S104, package are moved into measurement photoelectricity with the 7th section, are calculated in real time according to the value of feedback of code-disc and measurement photoelectricity The length of mail, width parameters;
S105 moves forward after package completes dimensional measurement and enables communication, if receiving the triggering letter of track photoelectricity Number, automatic station works as front tray number and pallet state to main ring PLC inquiry, if reply is when front tray number and pallet is available, passes through Serial ports inquires pallet to infrared track plates, if pallet reply allows packet, sign off, package enters synchronous phase;
S106, if communication failure cause the pallet can not piece uploading, judge whether to second of communication,
If second can be completed before dynamic communication end point to communicate, carries out second and communicates,
It communicates and successfully then enters synchronous phase,
If communicated during uniform motion it is unsuccessful, package slow down and continue to communicate after a stop, until communicate at Function enters synchronous phase;
S107 after communicating successfully, calculates upper bag parameter according to the move distance of current mail, position of form center parameter, for The package of movement calculates its time for continuing uniform motion, calculates its time continued waiting for the package stopped,
After reaching corresponding uniform motion or waiting time, package enters boost phase and accelerates to synchronizing speed always, this Movement is continued with the synchronizing speed afterwards and is sent into pallet until will wrap up;
S108, displacement of the automatic piece supplying table by each section of code-disc real-time detection current package in piece supplying table, and in this, as Mail serial number transmitting, speed control foundation.
CN201710247981.3A 2017-04-17 2017-04-17 A kind of automatic piece supplying table and control method for halved belt sorter Active CN106984549B (en)

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CN107362979A (en) * 2017-08-31 2017-11-21 苏州健雄职业技术学院 A kind of sorter and its method of work with automatic goods carrying function
CN107497697A (en) * 2017-09-18 2017-12-22 杭州瓦瑞科技有限公司 Materials-sorting system
CN107729643B (en) * 2017-09-30 2021-12-10 深圳市欣视景科技股份有限公司 Design optimization method of sorting system and readable storage medium
CN111346828B (en) * 2020-03-06 2022-04-08 苏州金峰物流设备有限公司 Operation method and system of cross belt sorting system
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