CN113979086B - System and method for scanning and identifying bar codes of bagged goods - Google Patents

Abstract

The invention relates to the technical field of information recording, in particular to a bagged goods bar code scanning and identifying system and a method, which comprises a shell and a scanning cavity positioned in the shell, wherein an optical sensor and a signal receiver for detecting the entering of bagged goods are arranged in the scanning cavity, bar codes are scanned on the upper wall and the lower wall of the scanning cavity, a turnover mechanism for turning over the goods is arranged in the scanning cavity, and the turnover mechanism comprises a turnover plate which is rotatably arranged on the side wall of the scanning cavity and is symmetrical about the flow direction of the goods.

Description

System and method for scanning and identifying bar codes of bagged goods

Technical Field

The invention relates to the technical field of information recording, in particular to a system and a method for scanning and identifying bar codes of bagged goods.

Background

With the increasing progress of science and technology development, the bar code is widely applied to daily life, the use of the bar code is convenient for recording goods information and tracking goods moving tracks, and meanwhile, people can conveniently and accurately search the goods.

The bar code can be pasted on the surfaces of the box body, the bottle body, the bag and other objects. Among the prior art, because box and bottle surface rule, and be hard material, and then the bar code information on box and the bottle scans more conveniently, has two great surfaces under the general situation of sack, and what side surface that the bar code was posted at the sack has the uncertainty, consequently, the goods in bags need overturn the sack and seek bar code one side and carry out the record to bar code information when carrying out bar code information scanning. The bagged goods requiring a large amount of bar code information scanning are generally carried out on a production line, special personnel are required to adjust the bagged goods and record the information, and the operating personnel repeatedly carry out the same action, so that fatigue is easily caused. The goods upset machine for the assembly line that has now uses with the cooperation of bar code scanner and scans bar code information, needs to occupy great equipment space, therefore how to design a little and the equipment of being convenient for bagged goods bar code scanning of area becomes the technical problem that technical staff in this field needs a lot of to solve.

Disclosure of Invention

In view of this, the present invention provides a system and a method for scanning and identifying barcodes of bagged goods, which achieve the adjustment of the positions of the barcodes of bagged goods and the recording of barcode information, and solve the problem of manual barcode scanning or large occupied area of equipment.

In order to solve the technical problem, the technical scheme of the invention is as follows:

a bar code scanning and identifying system and method for bagged goods comprises a shell and a scanning cavity located inside the shell, wherein a central control unit used for receiving signals and controlling equipment driving is arranged on the shell 1, an optical sensor and a signal receiver used for detecting bagged goods entering are arranged inside the scanning cavity, bar code scanners for scanning bar codes are arranged on the upper wall and the lower wall of the scanning cavity, a turnover mechanism used for turning over the goods is arranged inside the scanning cavity, the turnover mechanism comprises turnover plates which are rotatably arranged on the side wall of the scanning cavity and symmetrical to the flow direction of the goods, light-transmitting material baffles for preventing the goods from falling off are fixedly arranged between the turnover plates on two sides, an output assembly for outputting the goods is arranged in the turnover plates, the output assembly comprises a transmission belt sleeved on the end faces on two sides of the baffles, the direction of the transmission belt is consistent with the flow direction of the goods, a driving assembly for providing power for the output assembly is arranged inside the turnover plates, and a feedback mechanism for judging the forward rotation or reverse rotation of the driving assembly is arranged inside the scanning cavity.

The system realizes the rapid recording of the bagged goods barcode information, replaces the traditional manual barcode information scanning process, improves the efficiency of barcode recording, adjusts the barcode orientation to the same side, and is convenient for subsequent binding and transportation of the bagged goods.

Furthermore, the turnover mechanism further comprises a turnover motor, the turnover motor is fixed on the outer side of the casing, and an output shaft of the turnover motor is fixedly connected with one of the turnover plates.

Furthermore, a transmission cavity is arranged inside the turnover plate, the turnover plate is arranged on two sides of the turnover plate and is close to the end face, a feeding groove is formed in the end face, the transmission cavity is communicated with the feeding groove at the same side, the transmission cavity is communicated with the feeding groove and is provided with two channels, the two channels are respectively a first channel and a second channel, the baffle comprises a first baffle and a second baffle, the first baffle and the second baffle are respectively located in the first channel and the second channel, and the first baffle is parallel to the second baffle.

Furthermore, the two ends of the first channel are respectively provided with a first rotating shaft and a fourth rotating shaft in a rotating mode, the first rotating shaft and the fourth rotating shaft are perpendicular to the turnover plate, the two ends of the second channel are respectively provided with a second rotating shaft and a third rotating shaft in a rotating mode, the second rotating shaft and the third rotating shaft are perpendicular to the turnover plate, the first rotating shaft is fixedly provided with a first driving roller extending to the inside of the feeding groove, the fourth rotating shaft is fixedly provided with a first driven roller extending to the inside of the feeding groove, the second rotating shaft is fixedly provided with a second driving roller extending to the inside of the feeding groove, the third rotating shaft is fixedly provided with a second driven roller extending to the inside of the feeding groove, the transmission belt comprises a first transmission belt and a second transmission belt, the first transmission belt is sleeved on the first driving roller and the first driven roller, and the second transmission belt is sleeved on the second driving roller and the second driven roller.

Further, first passageway both ends are rotated respectively and are equipped with first pivot, fourth pivot, first pivot, fourth pivot all with both sides returning face plate mutually perpendicular, second passageway both ends are rotated respectively and are equipped with second pivot, third pivot, second pivot, third pivot all with both sides returning face plate mutually perpendicular, fixed being equipped with in the first pivot extends to the inside first initiative gyro wheel of feed chute, fixed being equipped with in the fourth pivot extends to the inside first driven roller of feed chute, fixed being equipped with in the second pivot extends to the inside second initiative gyro wheel of feed chute fixed being equipped with in the third pivot extends to the second driven roller in the feed chute, the drive belt includes first drive belt, second drive belt, first drive belt cover is established first initiative gyro wheel with on the first driven roller, the second drive belt cover is established the second gyro wheel with on the second driven roller.

Furthermore, the first transmission belt is sleeved on the outer side of the first baffle, and the second transmission belt is sleeved on the outer side of the second baffle.

Furthermore, the driving assembly comprises an output motor fixedly arranged on the inner wall of the transmission cavity, a driving gear located in the transmission cavity is fixedly arranged on the first rotating shaft, a driven gear located in the transmission cavity is fixedly arranged on the second rotating shaft, the driving gear is meshed with the driven gear, and an output shaft of the output motor is fixedly connected with the first rotating shaft.

Further, feedback mechanism is including touching and pressing lug, first sensor, the second sensor that touches, first touch press the sensor with the second touch press the sensor about the output shaft axle center symmetry of upset motor, touch and press the lug and be used for the extrusion to touch and press the sensor, touch and press the lug to fix on the returning face plate, first sensor, the second sensor that touches is pressed is fixed scanning intracavity wall, or, touch and press the lug to fix scanning intracavity wall, first sensor, the second sensor that touches is pressed is fixed on the returning face plate.

Furthermore, a feed inlet and a discharge outlet are arranged on the machine shell, and the feed inlet and the discharge outlet are located on the end faces of two opposite sides of the machine shell and are communicated with the scanning cavity.

Further, the optical sensor is installed in the lower wall of the scanning cavity and close to one side of the feeding hole, the signal receiver is fixedly arranged on the upper wall of the scanning cavity to receive the optical signal emitted by the optical sensor, or the optical sensor is installed on the upper wall of the scanning cavity and close to one side of the feeding hole, and the signal receiver is fixedly installed on the lower wall of the scanning cavity to receive the optical signal emitted by the optical sensor.

A bar code scanning and identifying method for bagged goods comprises the following steps:

s1: the bagged goods are conveyed to the inside of the scanning cavity through the feeding hole, and are pushed to a transmission belt between the first baffle and the second baffle;

s2, the goods shield a light source emitted by the optical sensor, and the signal receiver does not receive a signal, so that the code scanner is controlled to work through the central control unit, and code scanning is carried out on the bagged goods;

s3, when the bar code on the upper side of the bagged goods is scanned by the bar code scanner, storing the bar code information, and controlling the output motor to rotate forwards or backwards by the central control unit through detecting the abutting joint of the contact pressure bump and the first contact pressure sensor or the second contact pressure sensor so as to output the bagged goods outwards from the discharge hole;

s4, when the bar code information of the bagged goods is not scanned by the bar code scanner, the central control unit controls a rotating shaft of the overturning motor to rotate by one hundred eighty degrees so as to drive the overturning mechanism to overturn, and the baffle plate prevents the goods from falling off and realizes the integral overturning of the bagged goods;

s5, continuously scanning by the code scanner, recording and storing bar code information, and outputting bagged goods according to the operation of the step S3;

s6, stopping shielding the light source of the light sensor by the bagged goods, receiving a light source signal by the signal sensor and transmitting information to the central control unit, and stopping driving the output motor after the bagged goods are output from the inside of the equipment to keep the equipment in an initial state;

and S7, repeating the steps from S1 to S6 to realize the one-by-one recording of the bar code information of the bagged goods and uniformly adjusting the position orientation of the bar code.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view at a first angle of FIG. 1;

FIG. 3 is a cross-sectional view at a second angle of FIG. 1;

FIG. 4 is a third angle cross-sectional view of FIG. 1;

FIG. 5 is a fourth angle cross-sectional view of FIG. 1;

FIG. 6 is a cross-sectional view at a fifth angle of FIG. 1;

FIG. 7 is an enlarged view of A in FIG. 3;

FIG. 8 is an enlarged view of B in FIG. 6;

FIG. 9 is a simplified logic flow diagram of the present invention.

Reference numerals are as follows: 1. a housing; 2. a scanning chamber; 3. a feed inlet; 4. a discharge port; 5. a light sensor; 6. a signal receiver; 7. a code scanner; 8. a turnover plate; 9. a feed chute; 10. a transmission cavity; 11. pressing the bump; 12. turning over a motor; 13. an output motor; 14. a first rotating shaft; 15. a driving gear; 16. a driven gear; 17. a second rotating shaft; 18. a first active roller; 19. a first drive belt; 20. a second active roller; 21. a second belt; 22. a third rotating shaft; 23. a fourth rotating shaft; 24. a second driven roller; 25. a first driven roller; 26. a first baffle; 27. a second baffle; 28. a first touch pressure sensor; 29. a second touch pressure sensor; 30. and a central control unit.

Detailed Description

The following detailed description of the present invention is provided to facilitate the understanding and appreciation of the technical aspects of the present invention in connection with the accompanying drawings.

The embodiment is as follows:

the embodiment provides a bagged goods bar code scanning and identifying system and method, which are mainly used for a bar code information acquisition assembly line to scan bagged goods bar codes and uniformly adjust the orientation of the bar codes.

The device comprises a shell 1 and a scanning cavity 2 positioned in the shell 1, wherein a central control unit 30 used for receiving signals and controlling equipment driving is arranged on the shell 1, an optical sensor 5 and a signal receiver 6 are arranged in the scanning cavity 2, when the signal receiver 6 receives a light source of the optical sensor 5, no goods pass through the shell, when the signal receiver 6 cannot receive a light source signal, goods entering equipment is detected, a code scanner 7 for scanning a bar code is arranged on the lower wall of the scanning cavity 2, a turnover mechanism used for turning over the goods is arranged in the scanning cavity 2, the turnover mechanism comprises a turnover plate 8 which is rotatably arranged on the side wall of the scanning cavity 2 and is symmetrical to the goods flowing direction, a light-transmitting material baffle plate for preventing the goods from falling off is fixedly arranged between the turnover plates 8 on two sides, the light source of the optical sensor 5 can pass through the baffle plate to be received by the signal receiver 6, two pairs of output assemblies for outputting the goods are arranged in the turnover plate 8, each output assembly comprises a transmission belt sleeved on the end faces on two sides of the baffle plate, the transmission belt direction is consistent with the goods flowing direction, a driving assembly is arranged in the turnover mechanism, a driving assembly for providing power for the output of the output assembly, and a feedback mechanism for judging whether the positive rotation or negative rotation is arranged in the scanning cavity 2;

specifically, the method comprises the following steps:

in order to realize the turnover of the turnover mechanism, as shown in fig. 2 or fig. 3, the turnover mechanism further includes a turnover motor 12, the turnover motor 12 is fixed outside the casing 1, and an output shaft of the turnover motor 12 is fixedly connected to one of the turnover plates 8.

Through the above arrangement, when the barcode scanner 7 scans the goods, the barcode scanner 7 controls the overturning motor 12 to drive, and then drives the overturning plate 8 to overturn by one hundred eighty degrees, so as to realize the overturning of the goods.

In order to prevent the goods from falling off during the overturning process, in this embodiment, as shown in fig. 2, a transmission cavity 10 is arranged inside the overturning plate 8, the overturning plate 8 on both sides is provided with a feeding chute 9 at a position close to an end face of the overturning plate 8, two channels are communicated between the transmission cavity 10 and the feeding chute 9 on the same side, the two channels are respectively a first channel and a second channel, the baffle includes a first baffle 26 and a second baffle 27, the first baffle 26 and the second baffle 27 are respectively located in the first channel and the second channel, and the first baffle 26 and the second baffle 27 are parallel to each other.

Through the above setting, when the goods got into to scanning chamber 2 inside, goods side edge lies in feed chute 9, and the goods is between first baffle 26 and second baffle 27 simultaneously, when tilting mechanism drive, drives the goods upset one hundred eighty degree, because the goods in bags is comparatively soft, and goods intermediate position atress is great, and is caved in downwards, shelters from the goods through first baffle 26 and second baffle 27 this moment, prevents that the goods upset in-process from falling downwards.

In order to realize the transportation of goods, in this embodiment, as shown in fig. 4, fig. 6 and fig. 8, the first channel both ends are respectively rotated and are equipped with first pivot 14, fourth pivot 23, first pivot 14, fourth pivot 23 all with both sides 8 mutually perpendicular of returning face plate, the second channel both ends are respectively rotated and are equipped with second pivot 17, third pivot 22, second pivot 17, third pivot 22 all with both sides 8 mutually perpendicular of returning face plate, the fixed first initiative gyro wheel 18 that extends to the inside of feed chute 9 that is equipped with in the first pivot 14, the fixed second driven gyro wheel 24 that extends to in the feed chute 9 that is equipped with in the fourth pivot 23, fixed being equipped with in the second pivot 17 extends to the inside second initiative gyro wheel 20 of feed chute 9, the fixed second driven gyro wheel 24 that extends to in the feed chute 9 that is equipped with in the third pivot 22, the first drive belt 19, second drive belt 21 is established on the first gyro wheel 18 with the first initiative gyro wheel 25, the second initiative gyro wheel 24 is established on the second drive belt 21, the second drive belt 21 is established outside the second initiative gyro wheel 20, the second drive belt 27 is established on the second drive belt 26 outside the first drive belt 19.

Through above-mentioned device, enter into and scan 2 inside goods side reason and carry on to the first drive belt 19 or the second drive belt 21 of both sides, after the bar code information scanning of goods upside finishes, first pivot 14 rotates, and then drive first drive gyro wheel 18 and rotate, drive first driven gyro wheel 25 through first drive belt 19 and rotate, or, second pivot 17 rotates, drive second drive gyro wheel 20 and rotate, and then drive second driven gyro wheel 24 through second drive belt 21 and rotate, and then can realize the transport of goods.

In order to realize synchronous and reverse rotation of the first transmission belt 19 and the second transmission belt 21, in this embodiment, as shown in fig. 8, the driving assembly includes an output motor 13 fixedly disposed on an inner wall of the transmission cavity 10, a driving gear 15 disposed in the transmission cavity 10 is fixedly disposed on the first rotating shaft 14, a driven gear 16 disposed in the transmission cavity 10 is fixedly disposed on the second rotating shaft 17, the driving gear 15 and the driven gear 16 are engaged with each other, and an output shaft of the output motor 13 is fixedly connected to the first rotating shaft 14.

Through the setting, drive output motor 13, and then can drive first pivot 14 and rotate, drive first drive belt 19 through first initiative gyro wheel 18 and first driven gyro wheel 25 and rotate, drive driving gear 15 simultaneously and rotate, drive second pivot 17 antiport through intermeshing's driven gear 16, and then drive second drive belt 21 through second initiative gyro wheel 20 and second driven gyro wheel 24 and rotate.

In order to control the forward rotation or the reverse rotation of the output motor 13, in this embodiment, as shown in fig. 5, 7 and 8, the feedback mechanism includes a touch pressing protrusion 11, a first touch pressing sensor 28 and a second touch pressing sensor 29, the first touch pressing sensor 28 and the second touch pressing sensor 29 are symmetric with respect to the axis of the output shaft of the turnover motor 12, the touch pressing protrusion 11 is used for pressing the touch pressing sensor, the touch pressing protrusion 11 is fixed on the turnover plate 8, and the first touch pressing sensor 28 and the second touch pressing sensor 29 are fixed on the inner wall of the scanning cavity 2.

Through the arrangement, when the pressing lug 11 is extruded with the first pressing sensor 28, the output motor 13 is controlled to rotate in the forward direction through the central control unit 30, and when the pressing lug 11 is extruded with the second pressing sensor 29, the output motor 13 is controlled to rotate in the reverse direction through the central control unit 30, so that smooth output of goods is ensured.

In order to realize the entry and output of the goods, in this embodiment, as shown in fig. 4, a feeding port 3 and a discharging port 4 are arranged on the machine shell 1, and the feeding port 3 and the discharging port 4 are located on the end surfaces of two opposite sides of the machine shell 1 and are both communicated with the scanning cavity 2.

In order to realize the rapid detection of the entering of the cargo, in this embodiment, as shown in fig. 2, the optical sensor 5 is installed at the lower wall of the scanning chamber 2 and is close to one side of the feeding port 3, and the signal receiver 6 is fixedly arranged at the upper wall of the scanning chamber 2 and is used for receiving the optical signal emitted by the optical sensor 5.

The implementation principle is as follows: the bagged goods are conveyed to the interior of the scanning cavity 2 through the feeding hole 3 and are pushed to a transmission belt between the first baffle 26 and the second baffle 27; the goods blocks the light source emitted by the light sensor 5, the signal receiver 6 does not receive the signal, and the central control unit 30 controls the code scanner 7 to work and scans the code of the bagged goods; when the bar code at the upper side of the bagged goods is scanned by the bar code scanner 7, the bar code information is stored, the central control unit 30 controls the output motor 13 to rotate forwards or backwards through detecting the contact pressure bump 11 to be abutted against the first contact pressure sensor 28 or the second contact pressure sensor 29, and then the bagged goods are output outwards from the discharge hole 4; when the bar code information of the bagged goods is not scanned by the bar code scanner 7, the central control unit 30 controls the rotating shaft of the overturning motor 12 to rotate one hundred eighty degrees, so that the overturning mechanism is driven to overturn, the goods are prevented from falling off by the baffle, and the bagged goods are integrally overturned; the code scanner 7 continues scanning, records and stores the bar code information, and drives the transmission belt to rotate through the output motor 13, so that the output of bagged goods is realized; the bagged goods stop shielding the light source of the light sensor 5, the signal sensor 6 receives a light source signal and transmits information to the central control unit 30, and the bagged goods stop driving the output motor 13 after being output from the inside of the equipment, so that the equipment keeps an initial state; and repeating the steps to realize the one-by-one recording of the bar code information of the bagged goods and uniformly adjust the position orientation of the bar code.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.

Claims (9)

1. The utility model provides a bagged goods bar code scanning identification system, includes casing (1) and is located inside scanning chamber (2) of casing (1), be equipped with on casing (1) and be used for receiving signal and controlgear driven well accuse unit (30), its characterized in that: scanning chamber (2) inside be equipped with be used for detecting light sensor (5) and signal receiver (6) that the bagging-off goods got into, scanning chamber (2) upper/lower wall is equipped with and carries out scanning bar code scanner (7), scanning chamber (2) inside is equipped with the tilting mechanism that is used for the upset goods, tilting mechanism is including rotating flip board (8) of locating scanning chamber (2) lateral wall and regarding the goods flow direction symmetry, both sides fixed be equipped with the printing opacity material baffle that prevents the goods and drop between flip board (8), be equipped with the output subassembly with goods output in flip board (8), the output subassembly is established at the drive belt of baffle both sides terminal surface including the cover, the drive belt direction with the goods flow direction is unanimous, flip board (8) inside is equipped with the drive assembly that provides power for the output subassembly, scanning chamber (2) inside is equipped with the feedback mechanism who judges drive assembly or corotation, flip board (8) inside is equipped with transmission chamber (10), both sides flip board (8) are close to the terminal surface each other and have seted up feed chute (9), homonymy drive chamber (10) with between feed chute (9), intercommunication is equipped with two second baffle (26) are first baffle respectively first baffle (26), second baffle (26), baffle (26) are located first baffle, second baffle (26) second baffle, second baffle (26) passageway (26) respectively, in the second channel, the first baffle (26) and the second baffle (27) are parallel to each other.

2. The system of claim 1, wherein: the turnover mechanism further comprises a turnover motor (12), the turnover motor (12) is fixed to the outer side of the machine shell (1), and an output shaft of the turnover motor (12) is fixedly connected with one of the turnover plates (8).

3. The system of claim 1, wherein: first passageway both ends are rotated respectively and are equipped with first pivot (14), fourth pivot (23), first pivot (14), fourth pivot (23) all with both sides returning face plate (8) mutually perpendicular, second passageway both ends are rotated respectively and are equipped with second pivot (17), third pivot (22), second pivot (17), third pivot (22) all with both sides returning face plate (8) mutually perpendicular, first pivot (14) are gone up the fixed extension that is equipped with to first initiative gyro wheel (18) of feed chute (9) inside, fourth pivot (23) are gone up the fixed extension that is equipped with to first driven roller (25) of feed chute (9) inside, second pivot (17) are gone up the fixed second initiative gyro wheel (20) that extends to feed chute (9) inside, third pivot (22) are gone up the fixed extension that is equipped with to second driven roller (24) in feed chute (9), include first drive belt (19), second drive belt (21), first drive belt (19) is established first initiative gyro wheel (18) and second initiative gyro wheel (20) are gone up the fixed the cover and are established first driven roller (24) in feed chute (9) second driven roller (24) and second initiative gyro wheel (21) are established on second drive belt (20).

4. The system of claim 3, wherein: the first transmission belt (19) is sleeved on the outer side of the first baffle plate (26), and the second transmission belt (21) is sleeved on the outer side of the second baffle plate (27).

5. The system of claim 4, wherein the bar code scanning and identifying system comprises: the drive assembly is including fixed locating output motor (13) of transmission chamber (10) inner wall, fixed being equipped with on first pivot (14) is located driving gear (15) of transmission chamber (10), fixed being equipped with on second pivot (17) is located driven gear (16) of transmission chamber (10), driving gear (15) with driven gear (16) intermeshing, the output shaft of output motor (13) with first pivot (14) fixed connection.

6. The system of claim 2, wherein the bar code scanning and identifying system for the bagged goods comprises: feedback mechanism is including touching and pressing lug (11), first sensor (28), the second sensor (29) of pressing, first sensor (28) of pressing with second sensor (29) of pressing about the output shaft axle center symmetry of upset motor (12), it is used for the extrusion to touch and presses the sensor to touch lug (11), it fixes to touch and press lug (11) on returning face plate (8), first sensor (28), the second sensor (29) of pressing are fixed scan chamber (2) inner wall, or, it fixes to touch and press lug (11) scan chamber (2) inner wall, first sensor (28), the second sensor (29) of pressing are fixed on returning face plate (8).

7. The system of claim 1, wherein: the machine shell is characterized in that a feeding hole (3) and a discharging hole (4) are formed in the machine shell (1), the feeding hole (3) and the discharging hole (4) are located on the end faces of two opposite sides of the machine shell (1) and communicated with the scanning cavity (2).

8. The system of claim 7, wherein: optical sensor (5) install in scan chamber (2) lower wall just is close to feed inlet (3) one side, signal receiver (6) are fixed to be located scan chamber (2) upper wall is received the light signal of optical sensor (5) transmission, or, optical sensor (5) install in scan chamber (2) upper wall just is close to feed inlet (3) one side, signal receiver (6) fixed mounting in the light signal of scanning chamber (2) lower wall receipt light sensor (5) transmission.

9. A bagged cargo barcode scanning and identifying method based on the bagged cargo barcode scanning and identifying system of one of claims 1 to 8, characterized in that:

in an initial state, the turnover plate (8) is in a horizontal state, the turnover motor (12) and the output motor (13) stop driving, and the light sensor (5) continuously emits a light source, passes through the first baffle plate (26) and the second baffle plate (27) and is received by the signal receiver (6);

s1: bagged goods are conveyed to the interior of the scanning cavity (2) through the feeding hole (3) and are pushed to a transmission belt between the first baffle plate (26) and the second baffle plate (27);

s2, the goods shield a light source emitted by the optical sensor (5), the signal receiver (6) does not receive a signal, and the code scanner (7) is controlled to work through the central control unit (30) and scans the code of the bagged goods;

s3, when the bar code at the upper side of the bagged goods is scanned by the bar code scanner (7), storing bar code information, and controlling the forward rotation or the reverse rotation of the output motor (13) by the central control unit (30) through detecting the contact pressure bump (11) to be abutted against the first contact pressure sensor (28) or the second contact pressure sensor (29) so as to output the bagged goods outwards from the discharge hole (4);

s4, when the bar code information of the bagged goods is not scanned by the bar code scanner (7), the central control unit (30) controls the rotating shaft of the overturning motor 12 to rotate one hundred eighty degrees, so that the overturning mechanism is driven to overturn, and the baffle plate prevents the goods from falling off and realizes the integral overturning of the bagged goods;

s5, continuously scanning the bar code scanner (7), recording and storing bar code information, and outputting bagged goods according to the operation of the step S3;

s6, stopping shielding the light source of the light sensor (5) by the bagged goods, receiving a light source signal by the signal sensor (6) and transmitting the information to the central control unit (30), and stopping driving the output motor (13) after the bagged goods are output from the inside of the equipment to keep the equipment in an initial state;

and S7, repeating the steps from S1 to S6 to realize the one-by-one recording of the bar code information of the bagged goods and uniformly adjusting the position orientation of the bar code.

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