CN113843173A - Intelligent sorting system for international letters in grades - Google Patents
Intelligent sorting system for international letters in grades Download PDFInfo
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- CN113843173A CN113843173A CN202111013842.7A CN202111013842A CN113843173A CN 113843173 A CN113843173 A CN 113843173A CN 202111013842 A CN202111013842 A CN 202111013842A CN 113843173 A CN113843173 A CN 113843173A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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Abstract
The invention discloses an intelligent sorting system for international letters, which comprises a letter sorting box, a driving mechanism, a supporting frame, a letter conveying belt, a fixing frame, a letter separating mechanism, an infrared detector, a foreign matter identification detector, a sorting manipulator, a sorting conveying belt and a control integration system. The working principle is as follows: automatic sorting, automatic transmission, intelligent positioning and automatic sorting technologies are adopted; stacking the international letters in a pneumatic grabbing manner, and automatically transmitting and positioning the international letters; meanwhile, integrated foreign matter identification and detection equipment detects and outputs results, a PLC control protocol is adopted for signal conversion and integration, intelligent positioning is integrated to drive the mechanical arm to grab positive letters, and sorting of the positive letters and the negative letters is completed. The letter sorting machine is simple in structure, convenient to manufacture and ingenious in design, can realize high-efficiency large-batch automatic sorting of letters, and improves the automation degree.
Description
Technical Field
The invention relates to the field of postal and international letter sorting equipment, in particular to an intelligent sorting system for international letters in a grading manner.
Background
The hierarchical letter sorting system of international letter intelligence adopts automatic arrangement, automatic conveying, intelligent location and independently sorts the technique, and it is neat effectively to arrange in disorder accumulational letter in order automatically, puts to conveyer belt automatic transportation, combines foreign matter discernment detection device discernment and sorts out illegal letter. Along with the rapid development of the logistics industry, the requirements on the logistics sorting device are higher and higher, the requirements are accurate and reliable, and the requirements are rapid and economic. At present, the letter sorting work of domestic mail mainly adopts a pure manual sorting mode, whether forbidden articles exist in the mail or not needs manual identification, the required labor is large, the operation efficiency is low, and the requirements are not met.
Disclosure of Invention
Based on the technical problems in the background art, the invention aims to provide an intelligent sorting system for international letters, which adopts automatic sorting, automatic transmission, intelligent positioning and automatic sorting to realize efficient and large-batch continuous sorting of letters in a grading manner and improve the automation degree.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent sorting system for international letters comprises a letter sorting box, a driving mechanism, a supporting frame, a letter conveying belt, a fixing frame, a letter separating mechanism, an infrared detector, a foreign matter identification detector, a sorting manipulator, a sorting conveying belt and a control integration system; the letter sorting box is characterized in that the letter sorting box is arranged above the supporting frame; the driving mechanism is arranged between the letter sorting box and the supporting frame and is used for driving the letter sorting box to swing back and forth and left and right; the letter conveying belt is arranged on the fixing frame, one end of the letter conveying belt is close to the letter sorting box, and the other end of the letter conveying belt is arranged backwards; a letter separating mechanism moved by the rotary sucker assembly to move the letters in the letter sorting box onto a letter conveyor belt; infrared detector, foreign matter discernment detector set gradually on the mount is close to letter conveyer belt one side, and the rear is installed in the mount in the letter conveyer belt setting, letter sorting manipulator in letter sorting conveyer belt and mount contained angle department. Aiming at the international letters, the intelligent classification sorting system for the international letters is used for stacking the international letters in a pneumatic grabbing mode and automatically transmitting and positioning the international letters; meanwhile, the integrated foreign matter identification detection equipment detects and outputs results, a PLC control protocol is adopted to carry out signal conversion, and a mechanical arm is driven through automatic positioning to grab the positive letters so as to finish the sorting of the positive letters and the negative letters.
Preferably, the control integrated system comprises a control cabinet and a control panel, wherein the control cabinet is responsible for central control of the mail autonomous system, is in signal connection with the PLC control module through a bus, and controls the following hardware modules: the letter sorting machine comprises a gas source, an electric cylinder of a driving mechanism, a letter conveying belt motor and a sorting manipulator, and is used for carrying out relevant calculation; the bus adopts a Modbus protocol, inputs and outputs of infrared sensing signals, trigger signals and feedback signals, and integrates PLC control signals to realize integrated control of a distributed hardware structure. Preferably, the PLC control module performs at least mail transport relative positioning calculation.
Preferably, the control panel can display the working state of the system, including the project state, the letter sorting box, the rotary sucker, the letter conveying belt and the sorting manipulator, in the running state or the idle state; counting letter sorting quantity, including the state that the material allowance is sufficient or insufficient, total material counting, qualified material counting and unqualified material counting; the control panel is also provided with counting zero clearing, starting and resetting buttons.
Preferably, the letter separating mechanism comprises a rotating seat, a rotating motor, a material overturning shaft and a sucker assembly; the rotating seat is arranged between the letter sorting box and the letter conveying belt, the rotating motor is arranged in the rotating seat, and the material turnover shaft is arranged at the output end of the rotating motor to drive the rotating motor to rotate; the sucker assembly is rotatably arranged on the material overturning shaft; the sucker component comprises two rotating shafts and two cross-shaped brackets; the cross-shaped brackets are respectively arranged on the rotating shaft, and the tail ends of the cross-shaped brackets are respectively provided with a sucker; two cross supports rotate in the same direction in each pivot, and one of them sucking disc is rotatory after absorbing the letter in the letter arrangement case, puts the letter on the letter conveyer belt when arriving the mount top.
Preferably, the driving mechanism comprises a first electric cylinder, a second electric cylinder, a third electric cylinder and a fourth electric cylinder; the first electric cylinder and the second electric cylinder are respectively arranged at the front end and the rear end of the lower part of the letter sorting box; the third electric cylinder and the fourth electric cylinder are respectively arranged at the left end and the right end of the lower part of the letter sorting box; each electronic jar cylinder body end fixed mounting in support frame upper surface, push rod end connect in letter arrangement bottom of the case portion drives letter arrangement case horizontal hunting all around through the flexible removal of electronic jar for the orderly accumulational letter arrangement is neat.
Preferably, the device also comprises a support plate, a support shaft, a gear, a rack, a vertical baffle and a transverse baffle; letter arrangement case front portion top is close the center department left and right ends and respectively installs the backup pad, install the back shaft in the backup pad, install the gear on the back shaft, the rack is installed in the cooperation of gear below, the vertical baffle that is connected with of rack one end, vertical baffle sets up keep away from the one end of gear on the rack and support respectively in letter arrangement case both sides, horizontal baffle fixed mounting is on vertical baffle, and the height between horizontal baffle and the letter arrangement bottom of the case face is higher than the wide length of international letter. Utilize rack and pinion mechanism, the cooperation can be in opposite directions horizontal baffle and the vertical baffle of motion, will transversely or the vertical orderly letter propelling movement of arrangement of putting puts to the central point of letter arrangement case puts to make things convenient for sucking disc subassembly to picking up of letter.
Preferably, still include the unloading fly leaf, support the arch, letter arrangement case front portion is equipped with the feed opening, the unloading fly leaf rotates to be installed feed opening department, the inside centre point department of controlling about the feed opening of letter arrangement case respectively installs the support arch about, feed opening department sets up left side support arch and right branch and supports the letter that transversely puts, and feed opening department sets up the vertical letter of putting of support arch and lower support arch support.
Preferably, the system also comprises an infrared signal transmitter, an infrared signal receiver, a wireless signal receiver and a wireless signal transmitter. An infrared signal transmitter is arranged on one side of the inner part of the initial position of the mail conveying belt of the fixed frame, and an infrared signal receiver is arranged on the other side of the inner part of the initial position of the mail conveying belt of the fixed frame; one side of the fixing frame, which is close to the interior of the foreign matter identification detector, is provided with an infrared signal emitter, and the other side of the fixing frame is provided with an infrared signal receiver; the wireless signal emitter and the wireless signal receiver are arranged on the control cabinet; the infrared signal emitter and the infrared signal receiver are connected with the control cabinet through the wireless signal emitter and the wireless signal receiver. The intelligent positioning system adopts absolute positioning and relative positioning modes. The relative positioning is that the wireless signal detector positioned at the initial position of the conveying belt identifies the initial position of the mail, and the online transmission real-time position calculation of the speed of the conveying belt of the mail is carried out by combining the control system, so that the system can sense the position of the mail on the conveying belt in real time and provide position signals for a subsequent foreign matter identification detection mechanism and a sorting manipulator; the infrared detector who fuses to be located the other letter sorting manipulator again carries out absolute positioning's the perception that triggers to the mail, realizes that the identity discernment of each letter and detection signal trigger, and control and drive foreign matter discernment detection mechanism carry out negative and positive detection of online mail, forms the online signal queue of mail and detects the queue signal, realizes the detection of big batch queue mail risk sign, the detection of negative mail and positive mail promptly.
Preferably, the letter conveying belt arranged on the fixing frame is a split type conveying belt, foreign matter identification detection signals do not need to penetrate through the conveying belt, and the signals are guaranteed not to be interfered.
Compared with the prior art, the invention has the following obvious and prominent substantive characteristics and remarkable technical progress:
1. the intelligent classification sorting system for the international letters comprises a letter sorting box, a driving mechanism, a support frame, a letter conveying belt, a fixing frame, a letter separating mechanism, an infrared detector, a foreign matter identification detector, a sorting mechanical arm and a control integration system, wherein the letters are orderly stacked by the driving mechanism in the letter sorting box, and then the letter separating mechanism is used for picking up the letters and rotationally placing the letters on the letter conveying belt;
2. the intelligent positioning system adopts absolute positioning and relative positioning modes. The letter is automatically transmitted in a belt transmission mode; the online intelligent real-time positioning of the letter is carried out by utilizing a mode of fusing infrared sensing absolute positioning and system autonomous calculation relative positioning;
3. by adopting a high-speed sorting manipulator mode, according to signals (negative and positive signals) transmitted by the foreign matter recognition detector, and combining with an intelligent positioning signal, the sorting system can effectively track each online letter and trigger a grabbing signal for the positive letter to carry out autonomous sorting of the international letters;
4. according to the control integration system, through the control cabinet and the control panel, workers can interactively control the whole automatic sorting system, and can carry out sorting, transmission, identification and sorting on the international letters according to task requirements: setting relevant control parameters including letter sorting speed and output speed; and counting sorting quantity of the mail, including total quantity, positive quantity, negative quantity and the like; starting, stopping and resetting the system;
5. the sorting device has the advantages of simple structure, convenient manufacture and ingenious design, can realize high-efficiency large-batch continuous sorting of letter in a grading way, and improves the automation degree.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent classification sorting system for international mail in accordance with a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a control cabinet according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural view of a mail separating mechanism according to a preferred embodiment of the present invention.
Fig. 4 is a schematic structural view of a driving mechanism according to a preferred embodiment of the present invention.
FIG. 5 is an inside elevational view of a letter organizer according to a preferred embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an infrared detector according to a preferred embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings by preferred embodiments.
Example one
Referring to fig. 1, an intelligent sorting system for international letters comprises a letter sorting box 1, a driving mechanism 2, a support frame 3, a letter conveying belt 4, a fixing frame 5, a letter separating mechanism 6, an infrared detector 7, a foreign matter identification detector 8, a sorting manipulator 9, a sorting conveying belt 10 and a control integration system; the letter sorting box is characterized in that the letter sorting box 1 is arranged above a support frame; the driving mechanism 2 is arranged between the letter sorting box 1 and the supporting frame 3 and is used for driving the letter sorting box 1 to swing back and forth and left and right; the letter conveying belt 4 is arranged on the fixing frame 5, one end of the letter conveying belt 4 is close to the letter sorting box 1, and the other end of the letter conveying belt 4 is arranged backwards; a letter separating mechanism 6 moves with a rotating suction cup assembly to move the letters located in the letter sorting box 1 onto the letter conveyor belt 4; infrared detector 7, foreign matter discernment detector 8 set gradually on mount 5 is close to letter conveyer belt one side, and letter sorting conveyer belt 10 sets up rear in mount 5, and letter sorting manipulator 9 installs in letter sorting conveyer belt 10 and 5 contained angles departments of mount. Aiming at the international letters, the intelligent classification sorting system for the international letters is used for stacking the international letters in a pneumatic grabbing mode and automatically transmitting and positioning the international letters; meanwhile, the integrated foreign matter identification detection equipment detects and outputs results, a PLC control protocol is adopted to carry out signal conversion, and a mechanical arm is driven through automatic positioning to grab the positive letters so as to finish the sorting of the positive letters and the negative letters.
This embodiment international letter intelligence is sorting system in grades adopts automatic arrangement, automatic conveying, intelligent location and independently sorts, realizes the big batch letter of sorting in grades in succession of high efficiency, improves degree of automation.
Example two
This embodiment is substantially the same as the first embodiment, and is characterized in that:
the driving mechanism 2 comprises a first electric cylinder 21, a second electric cylinder 22, a third electric cylinder 23 and a fourth electric cylinder 24; the first electric cylinder 21 and the second electric cylinder 22 are respectively arranged at the front end and the rear end of the lower part of the letter sorting box 1; the third electric cylinder 23 and the fourth electric cylinder 24 are respectively arranged at the left end and the right end of the lower part of the letter sorting box 1; each electronic jar cylinder body end fixed mounting in support frame 3 upper surface, push rod end connect in letter arrangement case 1 bottom. The telescopic movement of the electric cylinder drives the letter sorting box 1 to swing front and back and left and right so that the messy and piled letters can be sorted neatly.
In this embodiment, the device further comprises a support plate 11, a support shaft 12, a gear 13, a rack 14, a vertical baffle 151 and a horizontal baffle 152; letter arrangement case 1 front portion top is close the center department left and right ends and respectively installs backup pad 11, install back shaft 12 in the backup pad 11, install gear 13 on the back shaft 12, gear 13 below cooperation is installed rack 14, the vertical baffle 151 that is connected with of rack 14 one end, vertical baffle 151 sets up keep away from gear 13's one end on the rack 14 and support respectively in letter arrangement case 1 both sides, horizontal baffle 152 fixed mounting is on vertical baffle 151, and the height between horizontal baffle 152 and the letter arrangement case 1 bottom surface is higher than the wide length of international letter. By utilizing the gear rack mechanism, the transverse baffle 152 and the vertical baffle 151 which can move oppositely are matched, and the letters which are transversely or vertically placed and neatly arranged are pushed to the central position of the letter sorting box 1, so that the sucking disc assemblies can pick up the letters conveniently.
In this embodiment, still include unloading movable plate 17, support arch 18, letter arrangement case 1 front portion is equipped with feed opening 16, unloading movable plate 17 rotates to be installed feed opening 16 department, the inside centre point department about feed opening 16 is gone up to letter arrangement case 1 respectively installs support arch 18, and feed opening 16 department left side supports protruding 182 and right branch and supports the letter of transversely putting with protruding 181 of right branch, and feed opening department goes up support arch 184 and lower support arch 183 and supports the letter of vertical putting.
When the letter sorting box works, all the messy piled letters are vertically placed into the letter sorting box 1, and the first electric cylinder 21, the second electric cylinder 22, the third electric cylinder 23 and the fourth electric cylinder 24 are used for driving the letter sorting box 1 to swing back and forth and left and right by virtue of the telescopic movement of the piston rods, so that the messy piled letters in the letter sorting box 1 are neatly stacked in the letter sorting box 1, but the letters are not placed in a uniform manner; then, the push rod end of the first electric cylinder 21 extends to enable the orderly sorted letters to slide to one end, close to the letter conveying belt 4, of the letter sorting box 1; then, the symmetrically arranged gears 13 rotate to drive the corresponding racks 14 and the baffles 15 to move oppositely, the transverse baffles 152 push the tidily arranged transverse letters to the feed opening 16, and the vertical baffles push the tidily arranged vertical letters to the feed opening 16, so that the suckers 6 can pick up the letters accurately; finally, the blanking movable plate 17 rotates 180 degrees, and the letter is supported by four supporting bulges at the blanking port 16, namely, the upper part, the lower part, the left part and the right part, and is kept at the original position on the letter sorting box 1.
Example three:
this embodiment is basically the same as the second embodiment, and is characterized in that:
in this embodiment, the letter separating mechanism 6 comprises a rotary seat 18, a rotary motor, a material turning shaft 19 and a sucker assembly; the rotating seat 18 is arranged between the letter sorting box 1 and the letter conveying belt 4, the rotating motor is arranged in the rotating seat 18, and the material overturning shaft 19 is arranged at the output end of the rotating motor to drive the rotating motor to rotate; the sucker assembly is rotatably arranged on the material overturning shaft 19; the sucker assembly comprises two rotating shafts 20 and two cross-shaped brackets 21; the cross-shaped support 21 is respectively and fixedly arranged on the rotating shaft 20, and the tail end of the cross-shaped support 21 is respectively provided with a suction cup 22. Two cross support 21 is in the same direction rotation on pivot 20 separately, and one of them sucking disc 22 absorbs the letter back rotation in letter arrangement case 1, puts the letter on letter conveyer belt 4 when 5 tops of mount.
For the letter sorting efficiency that promotes international letter, to the big letter of heap, the system is put things in good order to the rotatory pneumatic type sucking disc of development, realizes putting things in good order of incessant letter through revolution mechanic, and pneumatic sucking disc 22 can effectively adsorb the letter and realize snatching of letter. The adsorption structure of the stacking system adopts a flexible and adjustable mode, and the position of the sucker 22 can be adjusted according to the size of a letter; the pneumatic device can set different adsorption force and rotation speed according to the material, weight and other parameters of the letters, so that the problems of breakage of the letters, influence of overlong adsorption time on stacking efficiency and the like under the condition of ensuring effective adsorption of the letters are solved; different speeds set the speed and separation distance at which the letter is stacked.
When the material overturning device works, the rotating motor operates to drive the material overturning shaft 19 and the sucker component to rotate clockwise, two rotating shafts 20 in the sucker component synchronously rotate clockwise, and two cross-shaped supports 21 keep the same direction on the rotating shafts 20 respectively. After one of them sucking disc 22 absorbs letter in letter arrangement case 1, place cross support 21 is rotatory under the effect of pivot 20, and the rotating electrical machines work makes the sucking disc subassembly rotatory, and letter is rotatory to mount 5 top under the effect of both rotation axes 20, and at this moment, sucking disc 22 stop work puts it to letter conveyer belt 4 on, and sucking disc 22 continues clockwise rotation to letter arrangement case 1 department and inhales and take off a next letter.
Example four:
this embodiment is substantially the same as the first embodiment, and is characterized in that:
in this embodiment, the device further includes an infrared signal transmitter, an infrared signal receiver, a wireless signal receiver, and a wireless signal transmitter. An infrared signal transmitter 71 is arranged on one side of the fixing frame 6 in the initial position of the letter conveying belt 4, and an infrared signal receiver 72 is arranged on the other side of the fixing frame; an infrared signal emitter 73 is arranged on one side of the fixed frame 6 close to the interior of the foreign matter identification detector 8, and an infrared signal receiver 74 is arranged on the other side; the wireless signal emitter and the wireless signal receiver are arranged on the control cabinet 23; the infrared signal emitter and the infrared signal receiver are connected with the control cabinet 23 through the wireless signal emitter and the wireless signal receiver. The intelligent positioning system adopts absolute positioning and relative positioning modes. The relative positioning is that the wireless signal detector positioned at the initial position of the conveyor belt identifies the initial position of the mail, and the online transmission real-time position calculation of the speed of the mail conveyor belt is carried out by combining the control system, so that the system can sense the position of the mail on the conveyor belt in real time, and position signals are provided for the subsequent foreign matter identification detector 8 and the sorting manipulator 9; then fuse the other infrared detector who is located letter sorting manipulator 9 and carry out absolute positioning's the perception that triggers to the mail, realize that the identity discernment of each letter and detection signal trigger, control and drive foreign matter discernment detector 8 carry out negative and positive detection of online mail, form the online signal queue of mail and detect the queue signal, realize that big queue mail risk sign detects in batches, including negative and positive detection.
In the embodiment, the international letters are automatically transmitted, the PLC signals are used as control drive, the servo motor is controlled to operate through the high-precision drive card, and the split type belt drive is driven, so that on one hand, when the foreign matter identification detection mechanism carries out envelope detection, the detection signals do not need to penetrate through the conveyor belt, and the signals are not interfered, thereby ensuring the accuracy and reliability of identification; on the other hand, the high-precision servo transmission can be matched with the letter separating mechanism through autonomous calculation according to a PLC control signal output by the system and a set transmission speed, so that the stacked letters can be subjected to online detection according to specified transmission efficiency and transmission intervals. In addition, for the precision of guarantee conveying, adopt tractive formula belt drive installation mode, because the transmission band can relax gradually along with use intensity and time, the tensile formula tension structure of tractive can guarantee invariable tensile force, and then guarantee belt drive's stability and reliability.
Example five:
this embodiment is substantially the same as the first embodiment, and is characterized in that:
each letter on the letter conveyer belt is sealed, and after foreign matter discernment detector 8, the letter falls into negative and positive two types, and letter sorting manipulator 9 snatchs only to positive letter, and negative letter is arranged in order to negative containing box along with letter conveyer belt 4. The accurate location of positive mail still adopts the strategy that absolute positioning and relative positioning combined together, through the leading infrared sensor of foreign matter discernment detection, absolute positioning mail online position, then calculates according to transfer rate, and positive mail can effectively be trailed to the foreign matter discernment detected signal that sorting system passed through the PLC feedback. The response time of the system is calculated through a large number of tests, the response time comprises the time of round-trip signal transmission, a system executing mechanism, PLC control processing and the like, the actual time from the time when a driver of the sorting mechanical arm 9 receives a positive letter signal to the time when the driver effectively grabs the letter is calculated by combining the response time of the sorting mechanical arm 9, the speed and the relative positioning of the on-line transmission of the letter are fed back, and the sorting system can effectively grab the letter. Snatch the structure and adopt pneumatic adsorption mode, can guarantee that single letter effectively snatchs when split type transmission band tiling is placed, this mode can guarantee that probably has different article in the envelope and leads to under the circumstances such as envelope surface unevenness, focus position randomness, still can effectively snatch the letter.
After the mail snatchs, robotic arm rotates according to setting for the angle, places positive mail sorting conveyer belt 10, and sorting conveyer belt 10 can be implemented according to sorting manipulator 9 and snatch positive mail signal, begins automatic conveying, carries it in the positive mail receiver.
Example six:
this embodiment is substantially the same as the first embodiment, and is characterized in that:
in this embodiment, control integrated system includes switch board 23 and control panel 24, switch board 23 is responsible for letter from the central control of system, through bus technology and PLC control module, controls hardware modules such as 2 electronic jars of air supply, actuating mechanism, 4 motors of letter conveyer belt, letter sorting manipulator 9 to and relevant calculation, carry out letter transportation relative positioning and calculate. The bus adopts a Modbus protocol, inputs and outputs of infrared sensing signals, trigger signals, feedback signals and the like, and integrates PLC control signals to realize integrated control of a distributed hardware structure.
In this embodiment, the control panel 24 can display the system working state, including the project state, the letter sorting box 1, the rotary suction cup, the letter conveying belt 4 and the sorting manipulator 9, in the running or idle state; counting letter sorting quantity, including the state that the material allowance is sufficient or insufficient, total material counting, qualified material counting and unqualified material counting; the control panel is also provided with count clear 25, start 26, reset 27 buttons.
Through this control panel 24, the staff can the whole automatic letter sorting system of interactive control, carry out putting in order, transmission, discernment and the letter sorting of international mail according to the task demand.
As can be seen from the above, in the present invention, the mail in random accumulation is directly placed in the mail sorting box 1, and the driving mechanism 2 is used to swing the mail sorting box 1 back and forth and left and right, so that the mail in the sorting box is orderly stacked at the end close to the mail conveying belt 4. The orderly letters are pushed to the center of the front part of the letter sorting box 1 by a gear and rack mechanism. Letter separating mechanism work is done next, accomplishes letter from letter arrangement case 1 to letter conveyer belt 4's letter one-by-one letter sorting, and when the letter was through infrared sensor on the conveyer belt and during foreign matter discernment detector 8, the intelligence location and negative and positive sign of accomplishing the letter are to positive letter, and letter sorting manipulator 9 snatchs and transfers to on letter sorting conveyer belt 10. This letter arrangement sorting device simple structure, it is convenient to make, and design benefit can realize the big autonomic letter sorting of carrying out international letter in succession in batches of high efficiency, improves degree of automation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an international letter intelligence is letter sorting system in grades, includes letter arrangement case (1), actuating mechanism (2), support frame (3), letter conveyer belt (4), mount (5), letter separating mechanism (6), infrared detector (7), foreign matter discernment detector (8), letter sorting manipulator (9), letter sorting conveyer belt (10) and control integrated system, its characterized in that: the letter sorting box (1) is arranged above the supporting frame (3); the driving mechanism (2) is arranged between the letter sorting box (1) and the supporting frame (3) and is used for driving the letter sorting box (1) to swing back and forth and left and right; the letter conveying belt (4) is arranged on the fixing frame (5), one end of the letter conveying belt (4) is close to the letter sorting box (1), and the other end of the letter conveying belt (4) is arranged backwards; a letter separating mechanism moves by a rotary sucker component to move the letters positioned in the letter sorting box (1) to a letter conveying belt (4); the infrared detector (7) and the foreign matter recognition detector (8) are sequentially arranged on one side, close to the letter conveying belt, of the fixing frame (5), the sorting conveying belt (10) is arranged in the middle and at the rear of the fixing frame (5), and the sorting mechanical arm (9) is arranged at the included angle between the sorting conveying belt (10) and the fixing frame (5); aiming at the international letters, the intelligent classification sorting system for the international letters is used for stacking the international letters in a pneumatic grabbing mode and automatically transmitting and positioning the international letters; meanwhile, the integrated foreign matter identification detection equipment detects and outputs results, a PLC control protocol is adopted to carry out signal conversion, and a mechanical arm is driven through automatic positioning to grab the positive letters so as to finish the sorting of the positive letters and the negative letters.
2. An intelligent sorting system according to claim 1, wherein: the control integrated system comprises a control cabinet (23) and a control panel (24), wherein the control cabinet (23) is responsible for central control of the mail autonomous system, is connected with a PLC control module through a bus and controls the following hardware modules: the air source, the driving mechanism (2), the electric cylinder, the letter conveying belt (4), the motor and the sorting manipulator (9) perform related calculation; the bus adopts a Modbus protocol, inputs and outputs of infrared sensing signals, trigger signals and feedback signals, and integrates PLC control signals to realize integrated control of a distributed hardware structure.
3. An intelligent sorting system according to claim 2, characterised in that the control panel (24) is adapted to display the system operating status, including the status of the items, the letter sorting box (1), the suction cup assembly, the letter conveyor belt (4), the sorting robot (9) in operation or in an idle state; counting letter sorting quantity, including the state that the material allowance is sufficient or insufficient, total material counting, qualified material counting and unqualified material counting; the front of the control panel (24) is also provided with counting zero clearing (25), starting (26) and resetting (27) buttons.
4. An intelligent sorting system according to claim 1, wherein: the letter separating mechanism (6) comprises a rotating seat (18), a rotating motor, a material overturning shaft (19) and a sucker assembly; the rotating seat (18) is arranged between the letter sorting box (1) and the letter conveying belt (4), the rotating motor is arranged in the rotating seat (18), and the material overturning shaft (19) is arranged at the output end of the rotating motor to drive the rotating motor to rotate; the sucker component is rotatably arranged on the material overturning shaft (19); the sucker component comprises two rotating shafts (20) and two cross-shaped brackets (21); the two cross-shaped supports (21) are respectively arranged on the rotating shaft (20), and the tail ends of the cross-shaped supports (21) are respectively provided with a sucker (22); two cross support (21) same direction rotation on pivot (20) separately, it is rotatory behind the letter in letter arrangement case (1) is absorbed to one of them sucking disc (22), puts the letter on letter conveyer belt (4) when fixing frame (5) top.
5. An intelligent sorting system according to claim 1, wherein: the driving mechanism (2) comprises a first electric cylinder (21), a second electric cylinder (22), a third electric cylinder (23) and a fourth electric cylinder (24); the first electric cylinder (21) and the second electric cylinder (22) are respectively arranged at the front end and the rear end of the lower part of the letter sorting box (1); the third electric cylinder (23) and the fourth electric cylinder (24) are respectively arranged at the left end and the right end of the lower part of the letter sorting box (1); each electronic jar cylinder body end fixed mounting in support frame (3) upper surface, push rod end connect in letter arrangement case (1) bottom, through the flexible removal of each electronic jar, drive letter arrangement case (1) and carry out the horizontal hunting all around for the piled up in a jumble letter arrangement is neat.
6. An intelligent sorting system according to claim 1, wherein: the device also comprises a supporting plate (11), a supporting shaft (12), a gear (13), a rack (14), a vertical baffle (151) and a transverse baffle (152); the letter sorting box is characterized in that the supporting plate (11) is respectively installed at the left end and the right end, close to the center, of the front upper portion of the letter sorting box (1), a supporting shaft (12) is installed on the supporting plate (11), a gear (13) is installed on the supporting shaft (12), a rack (14) is installed below the gear (13) in a matched mode, one end of the rack (14) is vertically connected with a vertical baffle (151), the vertical baffle (151) is arranged at one end, far away from the gear, of the rack and abuts against the two sides of the letter sorting box (1) respectively, the transverse baffle (152) is fixedly installed on the vertical baffle (151), and the height between the transverse baffle (152) and the bottom surface of the letter sorting box (1) is higher than the width length of an international letter; by utilizing the gear rack mechanism, the transverse baffle (152) and the vertical baffle (151) which can move oppositely are matched, and the letters put transversely or vertically in tidying are pushed to the central position of the letter sorting box (1) so as to be convenient for the sucking disc assembly to pick up the letters.
7. The intelligent classification sorting system for international letters according to claim 1, further comprising a discharging movable plate (17) and supporting protrusions (18), wherein a discharging opening (16) is arranged at the front part of the letter sorting box (1), the discharging movable plate (17) is rotatably installed at the discharging opening (16), the supporting protrusions (18) are respectively installed at the upper, lower, left and right middle points of the discharging opening (16) inside the letter sorting box (1), the discharging opening (16) is provided with a left supporting protrusion and a right supporting protrusion to support the letters placed transversely, and the upper supporting protrusion and the lower supporting protrusion arranged at the discharging opening (16) support the letters placed vertically.
8. An intelligent sorting system according to claim 1 and further including an infrared signal transmitter, an infrared signal receiver, a wireless signal transmitter. An infrared transmitter (71) is arranged on one side of the fixing frame (5) in the initial position of the letter conveying belt (4), and an infrared receiver (72) is arranged on the other side of the fixing frame; one side of the fixed frame close to the interior of the foreign matter identification detector (8) is respectively provided with an infrared emitter (73), and the other side is provided with an infrared receiver (74); the wireless signal emitter and the wireless signal receiver are arranged on the control cabinet (23); the infrared signal emitter (71) and the infrared signal receiver (72) are connected with the control cabinet (23) through the wireless signal emitter and the wireless signal receiver; the intelligent positioning of each letter is realized by sensing the infrared detector (7) and controlling the integrated system to calculate the running speed of the letter conveying belt (4).
9. An intelligent sorting system according to claim 1, characterised in that the letter conveyor belt (4) mounted on the holder (5) is a split conveyor belt, and foreign matter identification detection signals do not need to penetrate the conveyor belt, ensuring that the signals are not disturbed.
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| CN202111013842.7A CN113843173B (en) | 2021-08-31 | 2021-08-31 | Intelligent grading sorting system for international mail |
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