CN109225900B

CN109225900B - Automatic feeding equipment based on RFID intelligence letter sorting system

Info

Publication number: CN109225900B
Application number: CN201810751448.5A
Authority: CN
Inventors: 张丽娟
Original assignee: Dongguan University of Technology
Current assignee: Dongguan University of Technology
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2020-06-19
Anticipated expiration: 2038-07-10
Also published as: CN109225900A

Abstract

The utility model provides an automatic feeding equipment based on RFID intelligence letter sorting system, including the base of disc form, fixed mounting stand in the middle of the base top surface, the base top is close to outer lane department and is equipped with many vertical axiss, many vertical axiss use the stand as central evenly distributed, the lower extreme and the base top bearing swing joint of stand, the equal fixed mounting belt roller in upper end of vertical axis, the holistic outer lane suit broad belt of a plurality of belt roller constitutions, the vertical motor of base lateral part fixed mounting, fixed mounting drive sprocket on the output shaft of motor, fixed mounting driven sprocket on one of them vertical axis, be connected through the driving chain between drive sprocket and the driven sprocket. The invention has a ring structure, occupies smaller space, the other end of the sorting conveyor belt group can be continuously provided with the sorting conveyor belt group as a next-stage sorting system, and by analogy, a multi-stage sorting system can be arranged, and by the design, a high-efficiency multi-stage intelligent sorting system can be established under the condition of occupying less space, so that the construction cost is low.

Description

Automatic feeding equipment based on RFID intelligence letter sorting system

Technical Field

The invention belongs to the technical field of logistics equipment, and particularly relates to automatic feeding equipment based on an RFID intelligent sorting system.

Background

The automatic sorting system is widely applied to the industries related to article subpackaging, such as foreign large-scale logistics industry, clothing factories and the like. At present, the domestic current situation is that, at article partial shipment in-process, the manual sorting still is adopted to most enterprises to express delivery company is the example, all can be equipped with dozens of sorting personnel at every transfer station usually, concentrates the letter sorting to the parcel, because working strength is bigger, the artifical letter sorting of putting in appears violently easily and sorts the phenomenon, along with the labour price constantly rises, it is more common to recruit the worker, the express delivery industry is urgently needed to look for the automatic solution to express delivery parcel letter sorting. However, the domestic automatic sorting system has fewer patents at present, and the existing mechanical conveying part of the sorting system is mainly belt conveyor conveying, however, the special equipment for feeding express packages is fewer and less. Even there is the transmission equipment of letter sorting material loading, the function is also relatively simpler, and the recognition accuracy ratio to the parcel is lower, has directly reduced holistic express delivery letter sorting's efficiency.

The construction mode of present letter sorting equipment is mostly pipelined, and this construction mode has leaded to its occupation space big, is unfavorable for reducing construction cost.

Disclosure of Invention

The invention provides automatic feeding equipment based on an RFID intelligent sorting system, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

an automatic feeding device based on an RFID intelligent sorting system comprises a disc-shaped base, wherein a stand column is fixedly installed in the middle of the top surface of the base, a plurality of vertical shafts are arranged at the position, close to an outer ring, of the top of the base and are uniformly distributed by taking the stand column as a center, the lower end of the stand column is movably connected with a base surface bearing, belt rollers are fixedly installed at the upper ends of the vertical shafts, a wide belt is sleeved on the whole outer ring formed by all the belt rollers, a vertical motor is fixedly installed at the side part of the base, a driving chain wheel is fixedly installed on an output shaft of the motor, a driven chain wheel is fixedly installed on one of the vertical shafts, the driving chain wheel is connected with the driven chain wheel through a transmission chain, a conical annular plate is arranged at the upper end of the stand column, small openings of the annular plate face upwards, the inner wall of the annular plate is fixedly connected with the upper end of the stand column through, the rotating shaft is vertical to the outer side surface of the annular plate, a first sleeve is sleeved in the middle of the rotating shaft through a bearing, the side part of the first sleeve is hinged with the bottom of the annular plate through an articulated piece, a second sleeve is sleeved at the position, close to the lower end, of the rotating shaft through a bearing, the side part of the second sleeve is hinged with the inner wall of the annular plate through an air cylinder, a roller is fixedly sleeved at the lower end of the rotating shaft and is in contact fit with the top surface of a wide belt, sleeves are fixedly sleeved at the upper end of the rotating shaft, a plurality of uniformly distributed sorting conveyor belt groups are arranged on the periphery of the base, a plurality of uniformly distributed RFID identification terminals are fixedly installed on the outer side of the upper end of the, a first feeding conveyor belt group is arranged at the upper part of one sorting conveyor belt group, a second feeding conveyor belt group is arranged at the side part of the feeding end of the first feeding conveyor belt group, and a weighing plate is arranged between the discharging end of the second feeding conveyor belt group and the feeding end of the first feeding conveyor belt group.

According to the automatic feeding equipment based on the RFID intelligent sorting system, the RFID identification terminal is fixedly installed on the outer side of the upper end of the annular plate through the inclined rod, the inclined rod is perpendicular to the outer side face of the annular plate, and the proximity sensor is fixedly installed on the side portion of the lower end of the inclined rod.

According to the automatic feeding equipment based on the RFID intelligent sorting system, the rollers are made of rubber.

According to the automatic feeding equipment based on the RFID intelligent sorting system, the limiting ring is fixedly sleeved on the vertical shaft and located on the lower side of the lower end of the corresponding belt roller, and the bottom surface of the wide belt is in contact fit with the top surface of the limiting ring.

The invention has the advantages that: when the RFID sorting system works, a parcel moves to a weighing plate through a second feeding conveyor belt group, the weighing plate weighs the parcel, the goods falls onto an annular slide way consisting of a plurality of sleeves through a first feeding conveyor belt group after being weighed, meanwhile, a motor drives a corresponding vertical shaft to rotate through a driving chain wheel, a driven chain wheel and a transmission chain, the vertical shaft drives a wide belt to rotate through a belt roller, the wide belt drives a corresponding rotating shaft to rotate through a roller, the sleeves rotate along with the corresponding rotating shaft, the rotating sleeves can drive the parcel to rotate around the annular plate, when the parcel moves to the scanning range of the RFID sorting terminal, the RFID sorting terminal scans a bar code on the parcel to acquire information of the parcel and judges whether the information corresponds to the sorting conveyor belt group corresponding to the RFID sorting terminal, if the rotating shafts are corresponding to each other, a group of air cylinders connected with the RFID identification terminal contracts simultaneously under the control of the controller, all the rotating shafts corresponding to the group of air cylinders rotate around the hinge joints of the corresponding first sleeves, at the moment, the sleeves on all the rotating shafts corresponding to the group of air cylinders support the packages, when the upper ends of all the rotating shafts corresponding to the group of air cylinders move to a lower position quickly, the packages on the upper parts slide onto the sorting conveyor belt group corresponding to the RFID identification terminal, the group of air cylinders extend out and reset after the packages completely slide onto the corresponding sorting conveyor belt group, the rotating shafts corresponding to the group of air cylinders are reset and then continue to rotate, the positions of the packages passing through the RFID identification terminal are not influenced, different sorting conveyor belt groups correspond to different regions, and the sorting conveyor belt group on the lower side of the first feeding conveyor belt group is a return conveyor belt, if the weight measured when the package passes through the weighing plate is overweight or the package falls on the annular slide way and then the RFID identification terminal closest to the discharge end of the first feeding conveyer belt group does not identify the mailing information, then a group of cylinders corresponding to the RFID identification terminal contract to enable the unqualified package to slide down on the sorting conveyer belt group at the bottom of the first feeding conveyer belt group, the unqualified package is sent to a return area to be sorted for further processing, the design can automatically and intelligently sort a plurality of packages corresponding to different areas, the goods sorting efficiency of the logistics industry is improved, the unqualified abnormal package can be automatically detected and returned to the area to be sorted for further processing, the invention can automatically identify the normal package and the abnormal package and can sort the normal package and the abnormal package to the appointed area respectively, the invention has high recognition accuracy and high automation, the occupied space of the annular structure is smaller, the invention can be continuously arranged at the other end of the sorting conveyor belt group to be used as a next-stage sorting system, and by analogy, a multi-stage sorting system can be arranged, and by the design, a high-efficiency multi-stage intelligent sorting system can be established under the condition of occupying less space, so that the construction cost is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of a portion I of FIG. 1; FIG. 3 is a top view of FIG. 1; FIG. 4 is a state diagram of the use of the present invention; fig. 5 is a state diagram of the use of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An automatic feeding device based on an RFID intelligent sorting system comprises a disc-shaped base 1, a stand column 2 is fixedly installed in the middle of the top surface of the base 1, a plurality of vertical shafts 3 are arranged at the position, close to an outer ring, of the top of the base 1, the vertical shafts 3 are evenly distributed by taking the stand column 2 as the center, the lower end of the stand column 2 is movably connected with a bearing on the surface of the base 1, belt rollers 4 are fixedly installed at the upper ends of the vertical shafts 3, a wide belt 5 is sleeved on the whole outer ring formed by all the belt rollers 4, a vertical motor 6 is fixedly installed on the side portion of the base 1, a driving sprocket 7 is fixedly installed on an output shaft of the motor 6, a driven sprocket 8 is fixedly installed on one vertical shaft 3, the driving sprocket 7 is connected with the driven sprocket 8 through a transmission chain 9, a conical annular plate 10 is arranged at the upper end of the stand column 2, the small end of the annular plate 10 faces upwards, the, the annular plate 10, the upright post 2 and the base 1 are coaxial, a plurality of rotating shafts 12 which are uniformly distributed by taking the upright post 2 as a center are arranged on the upper side of the periphery of the wide belt 5, the rotating shafts 12 are vertical to the outer side surface of the annular plate 10, a first sleeve 13 is sleeved in the middle of each rotating shaft 12 through a bearing, the side part of each first sleeve 13 is hinged with the bottom of the annular plate 10 through a hinge, a second sleeve 14 is sleeved at the position, close to the lower end, of each rotating shaft 12 through a bearing, the side part of each second sleeve 14 is hinged with the inner wall of the annular plate 10 through a cylinder 15, a roller 16 is fixedly sleeved at the lower end of each rotating shaft 12, the roller 16 is in contact fit with the top surface of the wide belt 5, sleeves 17 are fixedly sleeved at the upper end of each rotating shaft 12, a plurality of uniformly distributed sorting conveyor belt groups 18 are arranged on the periphery of the base 1, a plurality of uniformly distributed, a first feeding conveyor belt group 25 is arranged at the upper part of one sorting conveyor belt group 18, a second feeding conveyor belt group 26 is arranged at the side part of the feeding end of the first feeding conveyor belt group 25, and a weighing plate 27 is arranged between the discharging end of the second feeding conveyor belt group 26 and the feeding end of the first feeding conveyor belt group 25. In the invention, a plurality of air cylinders 15 at the lower side of each RFID identification terminal 19 are in a group, each group of air cylinders 15 is connected with the corresponding RFID identification terminal 19, when the RFID identification terminal is in operation, a parcel 24 moves onto a weighing plate 27 through a second feeding conveyor belt group 26, at the same time, the weighing plate 27 weighs the parcel 24, the goods after being weighed fall onto an annular slide way formed by a plurality of sleeves 17 through a first feeding conveyor belt group 25, meanwhile, a motor 6 drives a corresponding vertical shaft 3 to rotate through a driving sprocket 7, a driven sprocket 8 and a transmission chain 9, the vertical shaft 3 drives a wide belt 5 to rotate through a belt roller 4, the wide belt 5 drives a corresponding rotating shaft 12 to rotate through a roller 16, the sleeves 17 rotate along with the corresponding rotating shaft 12, the rotating sleeves 17 can drive the parcel 24 to rotate around the annular plate 10, when the parcel 24 moves to the scanning range of the RFID identification terminal 19, the RFID identification terminal 19 scans a bar code on the parcel 24 to acquire information of the parcel 24 and judge the parcel 24 Whether the package corresponds to the sorting conveyor belt group 18 corresponding to the RFID identification terminal 19, if so, the group of air cylinders 15 connected to the RFID identification terminal 19 is contracted at the same time under the control of the controller, all the rotating shafts 12 corresponding to the group of air cylinders 15 rotate around the corresponding hinge of the first sleeve 13, at this time, the sleeves 17 on all the rotating shafts 12 corresponding to the group of air cylinders 15 support the package 24, when the upper ends of all the rotating shafts 12 corresponding to the group of air cylinders 15 are moved to the lower position rapidly, as shown in fig. 5, the upper package 24 slides down onto the sorting conveyor belt group 18 corresponding to the RFID identification terminal 19, after the package 24 completely slides down onto the corresponding sorting conveyor belt group 18, the group of air cylinders 15 is extended to be reset, and after the rotating shafts 12 corresponding to the group of air cylinders 15 are reset, the rotation continues without affecting the position of the following package 24 passing through the RFID identification terminal 19, different sorting conveyor belt groups 18 correspond to different regions, the sorting conveyor belt group 18 on the lower side of the first feeding conveyor belt group 25 is a feed back conveyor belt, if a weight measured when a parcel 24 passes through a weighing plate 27 is overweight or the parcel 24 falls on an annular slide way and then is closest to an RFID identification terminal 19 at the discharge end of the first feeding conveyor belt group 25 and mail information cannot be identified, a group of air cylinders 15 corresponding to the RFID identification terminal 19 contract to enable the unqualified parcel 24 to slide onto the sorting conveyor belt group 18 at the bottom of the first feeding conveyor belt group 25, the sorting conveyor belt 18 sends the unqualified sorting parcel 24 to a return region to be processed for further processing, through the design, the parcels 24 can be automatically and intelligently sorted corresponding to different regions, the goods sorting efficiency of the logistics industry is improved, the unqualified abnormal parcel 24 can be automatically detected and returned to the region to be processed in the next step, the invention can automatically identify normal packages and abnormal packages, can sort the normal packages and the abnormal packages to designated areas respectively, has high identification accuracy and high automation, occupies smaller space for the annular structure, can continuously arrange the invention at the other end of the sorting conveyor belt group 18 as a next-stage sorting system, and can arrange a multi-stage sorting system by analogy, and can establish a high-efficiency multi-stage intelligent sorting system under the condition of occupying less space by the design, thereby having low construction cost.

Specifically, as shown in the figure, the RFID identification terminal 19 according to the present embodiment is fixedly mounted on the outer side of the upper end of the annular plate 10 through a diagonal rod 20, the diagonal rod 20 is perpendicular to the outer side of the annular plate 10, and a proximity sensor 21 is fixedly mounted on the lower end side of the diagonal rod 20. When the proximity sensor 21 senses goods, the RFID identification terminal 19 starts to work, when the parcel 24 leaves the working range of the RFID identification terminal 19, the RFID identification terminal 19 stops working, the RFID identification terminal 19 can be prevented from being always in a power-on state through the design, and the electric energy is saved.

Specifically, as shown in the figure, the roller 16 of the present embodiment is made of rubber. The rubber roller 16 and the wide belt 5 have large friction force and are not easy to wear, and stable transmission of the wide belt 5 to the roller 16 can be ensured.

Further, as shown in the figure, the vertical shaft 3 of the present embodiment is fixedly sleeved with a limiting ring 23, the limiting ring 23 is located at the lower side of the lower end of the corresponding belt roller 4, and the bottom surface of the wide belt 5 is in contact fit with the top surface of the limiting ring 23. The wide belt 5 can be limited by the plurality of limiting rings 23, and the height of the wide belt 5 in the rotating process is guaranteed to be unchanged.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an automatic feeding equipment based on RFID intelligence letter sorting system which characterized in that: comprises a circular plate-shaped base (1), a stand column (2) is fixedly installed in the middle of the top surface of the base (1), a plurality of vertical shafts (3) are arranged at the position, close to an outer ring, of the top of the base (1), the vertical shafts (3) are uniformly distributed by taking the stand column (2) as a center, the lower end of the stand column (2) is movably connected with a bearing on the top surface of the base (1), belt rollers (4) are fixedly installed at the upper ends of the vertical shafts (3), a wide belt (5) is sleeved on the whole outer ring formed by all the belt rollers (4), a vertical motor (6) is fixedly installed at the side part of the base (1), a driving chain wheel (7) is fixedly installed on an output shaft of the motor (6), a driven chain wheel (8) is fixedly installed on one of the vertical shafts (3), the driving chain wheel (7) is connected with the driven chain wheel (8) through a transmission chain (9), a conical annular plate (10, the inner wall of the annular plate (10) is fixedly connected with the upper end of the upright post (2) through a bracket (11), the annular plate (10), the upright post (2) and the base (1) are coaxial, the upper side of the periphery of the wide belt (5) is provided with a plurality of rotating shafts (12) which are uniformly distributed by taking the upright post (2) as the center, the rotating shafts (12) are vertical to the outer side surface of the annular plate (10), the middle part of the rotating shafts (12) is sleeved with a first sleeve (13) through bearings, the side part of the first sleeve (13) is hinged with the bottom of the annular plate (10) through a hinged part, the lower end of the rotating shaft (12) is sleeved with a second sleeve (14) through a bearing, the side part of the second sleeve (14) is hinged with the inner wall of the annular plate (10) through a cylinder (15), the lower end of the rotating shaft (12) is fixedly sleeved with a roller (16), the roller (16) is in contact fit, the periphery of the base (1) is provided with a plurality of evenly distributed sorting conveyor belt groups (18), the outer side of the upper end of the annular plate (10) is fixedly provided with a plurality of evenly distributed RFID identification terminals (19), each RFID identification terminal (19) corresponds to one of the sorting conveyor belt groups (18), the upper part of one of the sorting conveyor belt groups (18) is provided with a first feeding conveyor belt group (25), the lateral part of the feeding end of the first feeding conveyor belt group (25) is provided with a second feeding conveyor belt group (26), and a weighing plate (27) is arranged between the discharging end of the second feeding conveyor belt group (26) and the feeding end of the first feeding conveyor belt group (25).

2. The automatic feeding equipment based on the RFID intelligent sorting system of claim 1, wherein: the RFID identification terminal (19) is fixedly arranged on the outer side of the upper end of the annular plate (10) through an inclined rod (20), the inclined rod (20) is perpendicular to the outer side surface of the annular plate (10), and a proximity sensor (21) is fixedly arranged on the side part of the lower end of the inclined rod (20).

3. The automatic feeding equipment based on the RFID intelligent sorting system of claim 1, wherein: the roller (16) is made of rubber.

4. The automatic feeding equipment based on the RFID intelligent sorting system of claim 1, wherein: the vertical shaft (3) is fixedly sleeved with a limiting ring (23), the limiting ring (23) is positioned at the lower side of the lower end of the corresponding belt roller (4), and the bottom surface of the wide belt (5) is in contact fit with the top surface of the limiting ring (23).