CN106378311A - Article sorting device - Google Patents

Abstract

An article sorting device, the device includes a main frame and a bag pushing mechanism, the main frame is arranged on a belt conveying line body, the bag pushing mechanism is arranged on the left side of the main frame, and the bag pushing mechanism includes a push plate and a shutter, The push plate is arranged on the belt transmission line body and is located on the left side of the main frame; Between the plate and the main frame, it is used to block the transported items so that the push plate can push the items into the sorting port. The invention reduces the difficulty of implementation, and there is no card bag situation.

Description

An item sorting device

technical field

The invention relates to the field of article sorting, in particular to an article sorting device.

Background technique

At present, there are many known transmission line rapid sorting systems, all of which are to achieve the purpose of sorting by inserting a sorter between the transmission lines, and changing the conveying direction of the items when the items pass through the sorter. However, most of these systems are suitable for joining the system in the early stage, or disconnecting the existing transmission line body into two parts, and inserting into the sorter to realize. It is necessary to reprocess the conveyor line body, increasing material and labor costs. And when transporting items at high speed, due to the certain friction between the items and the belt on the transmission line, when the items are sorted out, there will be a certain degree of jamming.

Contents of the invention

The main purpose of the present invention is to provide a device for conveying articles in order to solve the problems of being stuck at the sorting outlet, reprocessing the conveyor line body, and splitting the original body.

Technical scheme of the present invention is:

An article sorting device, characterized in that the device includes a main frame and a bag pushing mechanism, the main frame is arranged on the belt conveying line body, the bag pushing mechanism is arranged on the left side of the main frame, the The bag pushing mechanism includes a push plate and a gate plate, the push plate is arranged on the belt transmission line body and is located on the left side of the main frame; the length side of the longer side of the gate plate is set on the left side of the frame And protruding out of the frame, the width side of the shorter side is located between the push plate and the main frame, and is used to block the conveyed articles so that the push plate can push the articles into the sorting port.

Preferably, the main frame is straddled on the belt conveyor line body, the main frame includes a leg frame that allows the main frame to straddle the belt conveyor line body, and a bracket is welded by one end of the leg frame Form the top support, the other end of the leg support faces the ground;

Preferably, the device further includes a track frame, the track frame is close to the horizontal plane side of the main frame, the track frame straddles the belt conveying line body, and the track frame includes a The outrigger frame is erected on the belt conveyor line body, the lower ends of the outrigger frame are welded by four brackets to form a bottom surface bracket, and the two brackets of the bottom surface bracket parallel to the push plate are arranged There is a first track, a second track.

Preferably, the push plate is connected to a connecting rod facing the back of the belt conveying line body, and the lower part of the other end of the connecting rod is installed on the first track by setting pulleys; The lower part of one end of the back is installed on the second track by setting pulleys.

Preferably, the device further includes a buffer mechanism, the buffer mechanism includes a first plate that forms an angle of 30 to 45 degrees with the belt conveying line body, and the first plate is fixed at one end when the article enters the main frame. On the left side bracket of the main frame, one end of the first plate facing the push plate is connected to the push plate through a second plate that is on a horizontal plane with the push plate.

Preferably, the device further includes a positioning mechanism, the positioning mechanism is a protruding structure, the protruding structure includes two cylinders with different radii, and a first connecting piece, and the protruding structure passes through the first connecting piece The main frame is connected, and the raised structure is used to block the push plate.

Preferably, the bag pushing mechanism also includes a drive structure and a power structure, the drive structure is arranged above the push plate or the gate, one end is connected to the push plate or the gate, and the other end is connected to the power Structure; the drive structure includes a connecting rod, a connecting structure, and a moving structure. One end of the connecting rod facing the ground is connected to the push plate or gate, and the other end is connected to the connecting structure.

Preferably, the connecting structure includes a connecting block, a mounting base, a circular structure, and a rectangular block supporting the circular structure, the connecting block is connected to the moving structure, and the mounting base is composed of two vertically parallel first block, the second block, and a horizontal block sandwiched between the two blocks, the horizontal block is punched with 4 holes to connect with the connecting rod, the first block and the second block are provided with holes, and the circular The structure is connected to the power structure and set in the first block and the second block through the thimble structure on the circular structure.

Preferably, the moving structure includes a slide rail, a pulley connected to the slide rail, and a second connecting piece connected to the pulley, the second connecting piece is connected to the connecting block, and the slide rail is arranged on the Between the two brackets of the top bracket parallel to the push plate.

Preferably, the power structure includes a lead screw, a lead screw slider, a coupling, and a servo motor, and the lead screw is arranged between two supports of the top support parallel to the push plate, and the One end of the lead screw is connected to the lead screw slider, and the other end is installed on the mounting base; the lead screw slider is connected to the servo motor through a coupling.

A sorting system applied to postal mail, characterized in that it comprises:

main conveyor belt;

At least one sorting conveyor belt, respectively connected with the main conveyor belt;

A labeling device, arranged on the main conveyor belt, is used to affix a radio frequency electronic label to the detected contraband;

The detection device is installed near the time when contraband enters the sorting conveyor belt from the main conveyor belt, is arranged on the main conveyor belt and is consistent with the height of the labeling device on the main conveyor belt, and is used to detect The radio frequency signal containing contraband information sent by the radio frequency electronic tag on the contraband being transported;

It also includes a sorting device, which includes a computer, a controller, and an execution mechanism,

The computer is connected with the detection device, and is used to judge whether the contraband is transferred from the main conveyor belt to the sorting conveyor belt according to the received contraband information, and send instructions to the controller according to the judgment result;

The controller is connected with the computer and the actuator, and is used to control the actuator according to the instructions sent by the computer;

The executive mechanism includes the above-mentioned article sorting device.

The device of the present invention straddles and erects the original belt conveying line body without dismantling or reprocessing the original line body, which reduces the difficulty of implementation; the friction force of the high-speed transported item package is different when pushing the package, and the package will be blocked first to avoid Packet jam occurs due to different export positions of sorted parcels.

Description of drawings

Fig. 1 is a perspective view of the article sorting device of the present invention.

Fig. 2 is a schematic diagram of the track frame involved in the present invention.

Fig. 3 is a partial schematic diagram of the main frame involved in the present invention.

Fig. 4 is a schematic diagram of the connection structure involved in the present invention.

Fig. 5 is a schematic diagram of the mobile structure involved in the present invention.

Fig. 6 is a schematic diagram of the power structure involved in the present invention.

Fig. 7 is a schematic diagram of the positioning structure involved in the present invention.

Fig. 8 is a schematic diagram of the connecting rod involved in the present invention.

Fig. 9 is a schematic diagram of the buffer mechanism involved in the present invention.

detailed description

The specific embodiments of the present invention described here are only used to explain the present invention, and are not intended to limit the present invention.

Before entering the embodiments herein, here is a detailed description of the drawings of the present invention, in order to avoid unnecessary ambiguity caused by those skilled in the art when reading the present invention.

Fig. 1 is a perspective view of the article sorting device of the present invention. Fig. 1 covers many invention points, including not only the claimed invention points of the present invention, but also expanded invention points. It is a detailed three-dimensional view of the article sorting device , specifically including a perspective view of the invention points of Embodiments 1, 2, 3, and 4 of the present invention.

In order to allow those skilled in the art to understand the details of the present invention, the accompanying drawings herein list the accompanying drawings for each key structure or mechanism of Fig. 1, specifically as follows:

Fig. 2 is a schematic diagram of the track frame involved in the present invention, showing the technical features claimed in the present invention.

Fig. 3 is a partial schematic diagram of the main frame involved in the present invention.

Fig. 4 is a schematic diagram of the connection structure involved in the present invention.

Fig. 5 is a schematic diagram of the mobile structure involved in the present invention.

Fig. 6 is a schematic diagram of the power structure involved in the present invention.

Fig. 7 is a schematic diagram of a positioning structure involved in the present invention, which is an implementation scheme of positioning in the present invention, and other implementation schemes are not provided in this paper.

FIG. 8 is a schematic diagram of the connecting rod involved in the present invention, specifically a schematic diagram of the connecting rod 14 connected to the push plate 10 .

Fig. 9 is a schematic diagram of the buffer mechanism involved in the present invention, which is an improved solution to the technical features of the present invention.

The present invention involves the use of the same structure on some different components, which are named the same technical terms herein. In order to avoid ambiguity or inconvenient reading, the same technical terms are marked differently to represent the same The structures are on different parts, and some of them are named after "first and second", which does not represent the order. For example, the first connecting part 31 related to the positioning structure, the connecting part 32 related to the connecting rod 14 and the second connecting part 25 related to the moving structure mentioned herein.

The same structure is used on some different components involved in this article, and the same technical terms are named in this article. In order to facilitate understanding and avoid ambiguity, this article makes the same marks for the same technical terms. It is convenient for those skilled in the art to understand, such as the outrigger frame 3 involved in the main frame 1 and the outrigger frame 3 involved in the track frame 2 herein.

The idea of the present invention is: when the current inspection and quarantine bureau sorts the illegal items, it is realized by adding the sorting system in the early stage, or disconnecting the existing transmission line into two parts, and inserting the sorting machine. It is necessary to reprocess the conveyor line body, increasing material and labor costs. And when transporting items at high speed, due to the certain friction between the items and the belt on the transmission line, when the items are sorted out, there will be a certain degree of jamming. In order to solve these existing problems, the idea of the present invention has been produced.

Example 1

Referring to FIG. 1 , FIG. 1 is a perspective view of the article sorting device of the present invention. The article sorting device involved in the present invention comprises a main frame 1 and a track frame 2, the main frame 1 straddles and erects on the belt conveying line body, and the main frame 1 includes a support for making the main frame 1 straddle and erecting on the belt conveying line body The leg frame 3 and the top surface frame 4 are formed by welding the bracket at one end of the leg frame 3, and the other end of the leg frame 3 faces the ground; the main frame 1 in the present embodiment includes 4 leg frames 3, and the leg frame 3 Casters 5 are set towards the lower end of the ground, the outrigger frame 3 is used to support the top support 4, the casters 5 are used to adjust the height of the main frame 1 or the sorting device, or the casters 5 level the main frame 1 or the sorting device; The top support 4 is a surface support surrounded by 4 supports connected to the 4 leg supports 3, and a plurality of supports are arranged between the two supports parallel to the sorting port of the top support 4 for supporting the sorting ports. The sorting structure involved in the sorting device.

Referring to FIG. 2 , FIG. 2 is a schematic diagram of the track frame involved in the present invention. The track frame 2 involved in the present invention is close to the horizontal plane side of the main frame, and is arranged on the opposite side of the sorting conveyor belt. The track frame 2 straddles and erects on the belt conveying line body. The outrigger frame 3 on the belt conveyor line body, the lower ends of the outrigger frame 3 are welded by four brackets to form a bottom surface bracket 6, and a plurality of brackets are arranged between the two brackets parallel to the sorting port of the bottom surface bracket, The plurality of supports in this embodiment are two supports, and the first track 7 and the second track 8 are arranged on the two supports, which are used to support the sorting structure involved in the sorting device. The first track has two upper and lower tracks. It consists of two parallel tracks, and the second track consists of two parallel tracks up and down.

The height and width of the track frame 2 of the present invention are set to be smaller than the height and width of the main frame 1 .

The article sorting device of the present invention also includes a bag push mechanism 9 and a positioning mechanism. The width of the belt on the transmission line body; the positioning mechanism is located on the right side of the main frame 1, close to the sorting port on the sorting conveyor belt, and is used for positioning the push plate.

Push bag mechanism 9 comprises push plate 10, flashboard 11, drive structure 12, power structure 13, push plate 10 is arranged on the belt transmission line body and is positioned between main frame 1 and track frame 2, and the width of push plate 10 will be less than The width of track frame 2; Push plate 11 is connected with a connecting rod 14 towards the back side of belt conveyor line body, and the other end bottom of connecting rod 14 is installed on the first track 7 by setting pulley. Rubber is pasted on the outside of one end of the push plate 11 facing the sorting port, which is used to reduce damage to the articles due to the thrust when the push plate 11 pushes the articles.

Referring to FIG. 3 , FIG. 3 is a partial schematic view of the main frame involved in the present invention. The length side of the longer side of the shutter is arranged between the main frame and the track frame, and the width side of the shorter side is located between the push plate and the leg frame for blocking The article of transmission is so that described push plate pushes article into sorting port; Gate 11 is installed on the second track by setting pulley 15 toward the bottom of one end of the back side of belt conveying line body. Ram 11 is provided with rubber towards the outside of one end of the push pedal, which is used to reduce damage caused when the gate 11 blocks the item and moves forward when the item is blocked by the gate 11 .

The driving structure 12 includes a connecting rod 14, a connecting structure, and a moving structure. One end of the connecting rod 14 facing the ground is connected to the push plate 10 or the gate 11, and the other end is connected to the connecting structure.

There are two driving structures 12 in this embodiment, one driving structure 12 is used to connect with the push plate 10 through the connecting rod 14, and is arranged above the pushing plate 10, and the other driving structure 12 is connected with the gate plate 11 through the connecting rod 14 , set above the shutter 11.

The shape of the connecting rod 14 connecting the shutter in this embodiment is L-shaped.

Referring to FIG. 4 , FIG. 4 is a schematic diagram of the connection structure. The connection structure comprises a connection block 15, a mounting seat 16, a circular structure 17, a rectangular block 18 supporting the circular structure 17, the connection block 15 is connected with the mobile structure, and the mounting seat 16 is composed of two vertical parallel The first block 19, the second block 20, and the cross block 21 sandwiched between the two blocks are composed. The cross block 21 has 4 holes and is connected with the connecting rod 14. The first block 19 and the second block 20 is provided with a hole, the circular structure 17 is connected with the lead screw, and is set in the first block 19 and the second block 20 through the thimble structure 22 .

Referring to FIG. 5 , FIG. 5 is a schematic diagram of the mobile structure involved in the present invention. The moving structure includes a slide rail 23 , a pulley 24 connected to the slide rail, and a second connecting piece 25 connected to the pulley 24 , and the second connecting piece 25 is connected to the connecting block 15 .

Referring to FIG. 6, FIG. 6 is a schematic diagram of the power structure involved in the present invention. The power structure comprises a leading screw 26, a leading screw slider 27, a shaft coupling 28, and a servo motor 29. The leading screw 26 is arranged between two supports of the top support 4 parallel to the push plate 10, and one end of the leading screw 26 is connected to a wire. Bar 26 slide block, the other end is installed on the mount 16; Lead screw slide block 27 is connected on the servomotor 29 by coupling 28.

Referring to FIG. 7 , FIG. 7 is a schematic diagram of a positioning structure involved in the present invention. The positioning mechanism is a protruding structure 30. The protruding structure includes two cylinders with different radii and a first connecting piece 31. The protruding structure 30 is connected to the main frame 1 through the first connecting piece 31. The protruding structure 30 is used to block the pushing plate 10;

The positioning mechanism can also be an induction locator, which is provided with an induction chip, and stops and locates the sensed items by setting the position parameters. The corresponding figure is not listed here.

Referring to FIG. 8 , FIG. 8 is a schematic diagram of the connecting rod involved in the present invention, specifically a schematic diagram of the connecting rod 14 connected to the push plate 10 . The connecting rod 14 in this embodiment is composed of a cylindrical plate 31 with a certain length and a connecting piece 32 at one end facing the moving structure.

The shape of the connecting rod 14 connecting the shutter 11 in this embodiment is L-shaped, and no drawings are shown here.

Example 2

Referring to Fig. 1, the present invention also provides another article sorting device. Compared with the first embodiment, the article sorting device in this implementation has less track frame structure, and the article sorting device only has a main frame and a buffer mechanism is added. Specifically:

Referring to Fig. 1, an article sorting device includes a main frame 1, the main frame 1 is straddled on the belt conveying line body, and the main frame 1 includes legs for making the main frame 1 straddle on the belt conveying line body Frame 3, and the top support 4 is formed by welding the bracket at one end of the leg frame 3, and the other end of the leg frame 3 faces the ground; the main frame 1 in the present embodiment includes 4 leg frames 3, and the leg frame 3 faces toward the ground; The lower end of the ground is provided with casters 5, the outrigger frame 3 is used to support the top support 4, and the casters 5 are used to adjust the height of the main frame 1 or the sorting device, or the casters 5 level the main frame 1 or the sorting device; The surface support 4 is a surface support surrounded by 4 supports connected to the 4 leg supports 3, and a plurality of supports are arranged between the two supports parallel to the sorting port of the top support 4 for supporting the sorting The sorting structure involved in the device.

The article sorting device also includes a bag-pushing mechanism 9, a buffer mechanism 33, and a positioning mechanism. The bag-pushing mechanism 9 is arranged on the left side of the main frame 1, and the width between the sorting port on the sorting conveyor belt is greater than the size of contraband. , that is, the belt width on the transmission line body; the positioning mechanism is located on the right side of the main frame, close to the sorting port on the sorting conveyor belt, and is used for positioning the push plate 10 . Referring to Fig. 7, the positioning mechanism is a protruding structure 30, and the protruding structure 30 is used to block the push plate 10; the positioning mechanism is an induction locator, which is provided with an induction chip, and by setting position parameters, the sensed items are stopped and positioned.

FIG. 1 referred to in the above-mentioned embodiment uses the figure of the first embodiment, and the components related to the first embodiment that do not appear in the second embodiment are not deleted.

Referring to FIG. 8, FIG. 8 is a schematic diagram of the connecting rod involved in the present invention. The buffer mechanism 33 is arranged on the left side of the main frame 1 and enters the main frame 1 near the article. The buffer mechanism 33 includes a first plate 34 at an angle of 30 to 45 degrees with the belt conveying line body, and the first plate 34 faces the article entering the main frame. One end at 1 o'clock is fixed on the left side bracket of the main frame 1, and the end of the first plate 34 towards the push plate 10 is connected with the push plate 10 through the second plate 35 on a horizontal plane with the push plate 10. The second plate 35 is pasted with a rubber pad towards the front of the belt conveying line body.

The content described above is the key invention point of this embodiment, and it is an improvement plan of this embodiment one. Most of the above-mentioned structures or mechanisms are not refined, which are the same as those of embodiment one, and most of them are not discussed here. Similarities with Embodiment 1 will be described in detail again.

The buffer mechanism 33 added in the second embodiment can buffer the high-speed transported items when the items enter the main frame 1, and protect the items, such as fragile items.

Of course, there are also certain defects in the second embodiment. For example, the push plate 10 involved in the embodiment is connected to a connecting rod 14 toward the back end of the belt conveyor line body, or the gate plate 11 is connected to the back end of the belt conveyor line body. There is no placement structure, if when pushing the article or blocking the article, the end of the back of the connecting rod 14 or the shutter 11 may cause certain harm to the articles or people around the belt conveyor line body, so this embodiment can also make further improvement of.

Example 3

Referring to Fig. 1, this embodiment is to solve the problems existing in Embodiment 1 and Embodiment 2. The article sorting device involved in this embodiment includes a main frame 1 and a track frame 2, and the main frame 1 straddles the belt conveyor line On the body, the track frame 2 is close to the horizontal plane side of the main frame 1, and the main frame 1 includes the outrigger frame 3 that makes the main frame 1 straddle on the belt conveying line body, and the bracket is welded by one end of the outrigger frame 3 Form the top support 4, and the other end of the leg frame 3 is facing the ground; The width between the sorting ports is greater than the size of the contraband, that is, the width of the belt on the transmission line; the bag pushing mechanism 9 includes a push plate 10, a gate 11, a drive structure 12, and a power structure 13;

Referring to FIG. 9, FIG. 9 is a schematic diagram of the buffer mechanism involved in the present invention. The buffer mechanism 33 is arranged on the left side of the main frame 1 and close to the place where the article enters the main frame 1. The buffer mechanism 33 includes an angle of 30 to 45 degrees with the belt conveyor line body The first plate 34, the first plate 34 is fixed on the left side bracket of the main frame 1 towards the end when the article enters the main frame 1, and the end of the first plate 34 towards the push plate 10 passes through a horizontal plane with the push plate 10 The second plate 35 is connected to the push plate 10 . The second plate 35 is pasted with a rubber pad towards the front of the belt conveying line body. The positioning mechanism is located on the right side of the main frame 1 , close to the sorting port on the sorting conveyor belt, and is used for positioning the push plate 10 .

Referring to Fig. 7, the positioning mechanism is a protruding structure 30, and the protruding structure 30 is used to block the push plate 10; the positioning mechanism is an induction locator, which is provided with an induction chip, and by setting position parameters, the sensed items are stopped and positioned.

The content described above is the key invention point of this embodiment, and it is the improvement plan of this embodiment 1 and embodiment 2. Most of the structures or mechanisms above are not refined, and they are the same as those of embodiment 1 and embodiment 2. , and no more detailed description will be given here for most of the same parts as those in Embodiment 1 and Embodiment 2.

This embodiment combines the key invention points of Embodiment 1 and Embodiment 2, which solves the problem that in Embodiment 1, when the items enter the main frame 1, they cannot play a buffer role for high-speed transmission items. Example has played a protective role to article, such as fragile article, also does not have track support 2 to the back side one end of connecting rod 14 of push plate 10 or flashboard 11 to embodiment two and play supporting effect, and present embodiment is to belt The safety of items or people around the conveyor line has a protective effect.

Example 4

The article sorting device involved in the present invention can be applied to many logistics devices or sorting systems that actually need to sort articles, such as a sorting system applied to postal mail. The sorting system includes:

main conveyor belt;

At least one sorting conveyor belt, respectively connected with the main conveyor belt;

A labeling device is used to affix a radio frequency electronic label to the detected contraband;

The detection device is installed near when the contraband enters the sorting conveyor belt from the main conveyor belt, and is used to detect the radio frequency signal containing contraband information sent by the radio frequency electronic tag on the contraband transported on the main conveyor belt;

It is characterized in that it also includes a sorting mechanism, and the sorting device includes a computer, a controller, and an execution mechanism,

The computer is connected with the detection device, and is used to judge whether the contraband is transferred from the main conveyor belt to the sorting conveyor belt according to the received contraband information, and send instructions to the controller according to the judgment result;

The controller is connected with the computer and the actuator, and is used to control the actuator according to the instructions sent by the computer;

The executive mechanism includes the article sorting device of the first embodiment, the second embodiment or the third embodiment.

Where the structure or mechanism of the above actuators has not been refined, it is the same as that of Embodiment 1 or Embodiment 2 or Embodiment 3, and the same as Embodiment 1 or Embodiment 2 or Embodiment 3 will not be discussed here. Do a detailed description.

In this paper, the claimed technical features of the present invention are described in many places, and several unclaimed technical features of the present invention are expanded on the basis of the present invention. The technical features that have appeared are also the protected technical features required by the present invention, and when necessary, the technical features not claimed in the present invention can be regarded as the technical features claimed in the present invention.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the present invention, and it can be easily understood by those skilled in the art Therefore, the invention is not limited to the specific details without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. An article sorting device, characterized in that the device comprises a main frame and a bag pushing mechanism, the main frame is arranged on the belt conveying line body, and the bag pushing mechanism is arranged on the left side of the main frame , the push bag mechanism includes a push plate and a gate plate, the push plate is arranged on the belt transmission line body and is located on the left side of the main frame; the length side of the longer side of the gate plate is set on the frame The left side extends out of the frame, and the width side of the shorter side is located between the push plate and the main frame, and is used to block the conveyed articles so that the push plate can push the articles into the sorting opening. 2. The article sorting device according to claim 1, characterized in that, the main frame straddles and erects on the belt conveying line body, and the main frame includes making the main frame straddle and erecting on the belt conveying line body The upper leg frame and the welding bracket at one end of the leg frame form the top surface frame, and the other end of the leg frame faces the ground. 3. The article sorting device according to claim 1, characterized in that, the device also includes a track frame, the track frame is close to the horizontal plane side of the main frame, and the track frame is straddled and erected on the belt conveyor On the line body, the track frame includes a leg frame that makes the track frame straddle the belt conveying line body, and the lower ends of the leg frame are welded by 4 brackets to form a bottom surface bracket, which is connected with the A first rail and a second rail are arranged between the two brackets of the bottom brackets parallel to the push plate. 4. The article sorting device according to claim 3, characterized in that, the push plate is connected with a connecting rod towards the back of the belt conveying line body, and the lower part of the other end of the connecting rod is installed on the first pulley. On one track; the lower part of the back end of the gate towards the belt conveying line body is installed on the second track by setting pulleys. 5. The article sorting device according to claim 1, characterized in that, the device further includes a buffer mechanism, the buffer mechanism includes a first plate at an angle of 30 to 45 degrees with the belt conveying line body, and the first plate A plate is fixed on the left side bracket of the main frame towards the end when the article enters the main frame, and the end of the first plate towards the push plate is connected with the second plate on a horizontal plane with the push plate. Describe the push plate. 6. The article sorting device according to claim 1, characterized in that, the device also includes a positioning mechanism, the positioning mechanism is a raised structure, and the raised structure includes two cylinders with different radii, the first A connecting piece, the protruding structure is connected to the main frame through the first connecting piece, and the protruding structure is used to block the push plate. 7. The article sorting device according to claim 1, wherein the pushing mechanism further comprises a driving structure and a power structure, and the driving structure is arranged above the pushing plate or the shutter, and one end Connect the push plate or the gate, and the other end is connected to the power structure; the drive structure includes a connecting rod, a connecting structure, and a moving structure. One end of the connecting rod facing the ground is connected to the pushing plate or the gate, and the other end One end is connected to the connection structure. 8. The article sorting device according to claim 7, wherein the connecting structure comprises a connecting block, a mounting base, a circular structure, a rectangular block supporting the circular structure, and the connecting block and the moving structure connection, the mounting seat is composed of two vertically parallel first blocks, a second block and a cross block sandwiched between the two blocks, the cross block is punched with 4 holes to connect with the connecting rod, the The first block and the second block are provided with holes, the circular structure is connected with the power structure, and is set in the first block and the second block through the thimble structure on the circular structure. 9. The article sorting device according to claim 8, wherein the moving structure comprises a slide rail, a pulley connected to the slide rail, and a second connecting piece connected to the pulley, the second connecting piece is connected to On the connecting block, the slide rail is arranged between two brackets of the top bracket parallel to the push plate. 10. A sorting system applied to postal mail, characterized in that it comprises: main conveyor belt; At least one sorting conveyor belt, respectively connected with the main conveyor belt; A labeling device, arranged on the main conveyor belt, is used to affix a radio frequency electronic label to the detected contraband; The detection device is installed near the time when contraband enters the sorting conveyor belt from the main conveyor belt, is arranged on the main conveyor belt and is consistent with the height of the labeling device on the main conveyor belt, and is used to detect The radio frequency signal containing contraband information sent by the radio frequency electronic tag on the contraband being transported; It also includes a sorting device, which includes a computer, a controller, and an execution mechanism, The computer is connected with the detection device, and is used to judge whether the contraband is transferred from the main conveyor belt to the sorting conveyor belt according to the received contraband information, and send instructions to the controller according to the judgment result; The controller is connected with the computer and the actuator, and is used to control the actuator according to the instructions sent by the computer; The executive mechanism includes the article sorting device described in claims 1-9.