CN110449362B

CN110449362B - Sorting device and sorting system

Info

Publication number: CN110449362B
Application number: CN201910728769.8A
Authority: CN
Inventors: 李洪超; 翟英男; 刘虎; 熊晓峰; 陈臻
Original assignee: SF Technology Co Ltd
Current assignee: SF Technology Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2021-11-05
Anticipated expiration: 2039-08-08
Also published as: CN110449362A

Abstract

The invention provides a sorting device and a sorting system, wherein the sorting device comprises a slideway and a cache component; the slideway is used for conveying the objects and is provided with a slideway outlet; the buffer component comprises a flexible buffer pocket, a bag building rod and a placing support, one end of the flexible buffer pocket is connected with the outlet of the slide way, the other end of the flexible buffer pocket is connected with the bag building rod, and the placing support is arranged on one side of the buffer component, which is back to the slide way, at intervals; the flexible buffer pocket has a folded state and an opened state, the bag building rod is hung below the outlet of the slide way in the folded state, and the outlet of the slide way is connected with a bag frame for bearing a bag; open mode, build a packet pole with lay the leg joint, the slide export with the uncovered linking in last of flexible buffer memory pocket. The technical scheme of the invention can reduce the occupied space area of the slide way and reduce the cost of the sorting device.

Description

Sorting device and sorting system

Technical Field

The invention belongs to the field of logistics express delivery, and particularly relates to a sorting device and a sorting system.

Background

In the existing logistics sorting production line, a sorting device with a slide way can be used for finishing the guiding sorting function of a plurality of objects in the same flow direction, such as packaged letters and the like, in addition, a packaging frame is connected to the outlet of the slide way, an open packaging bag is arranged in the packaging frame, and after the objects falling into the packaging bag are filled, the packaging operation can be carried out, namely, the packaging bag filled with the objects is packaged and sealed.

In the present common sorting device, the slide mainly divide into parcel direction functional area and parcel buffer memory functional area, and parcel direction functional area all plays a role in the normal letter sorting of check mouth and check mouth package building in-process, and parcel buffer memory functional area does not play a role in the normal letter sorting process of check mouth, only builds a package in-process at the check mouth and plays a role. Because present common slide is mostly the panel beating slide, and this section of parcel buffer memory functional area of slide is at the normal letter sorting of lattice and build a packet in-process all can not remove, so current slide design is longer more complicated, and its slide size can't reduce the change according to the production conditions to it is big to lead to slide area occupied, and the cost is higher.

Disclosure of Invention

The present invention is directed to overcome the above-mentioned deficiencies of the prior art and to provide a sorting device that reduces the footprint of the chute and reduces the cost of the sorting device.

The invention proposes a sorting device, comprising:

a chute for conveying articles, having a chute outlet; and the number of the first and second groups,

the buffer assembly comprises a flexible buffer pocket, a bag building rod and a placing support, one end of the flexible buffer pocket is connected with the outlet of the slide way, the other end of the flexible buffer pocket is connected with the bag building rod, and the placing support is arranged on one side, back to the slide way, of the buffer assembly at intervals;

the flexible buffer pocket has a folded state and an opened state, the bag building rod is hung below the outlet of the slide way in the folded state, and the outlet of the slide way is connected with a bag frame for bearing a bag; open mode, build a packet pole with lay the leg joint, the slide export with the uncovered linking in last of flexible buffer memory pocket.

Optionally, the flexible buffer bag is a flexible net bag, a flexible cloth bag or a flexible plastic bag.

Optionally, the flexible buffer pocket is rectangular in an unfolded state, and has a first edge, a second edge, a third edge and a fourth edge, the first edge is fixedly connected to a portion of the lower surface of the slide, which is adjacent to the slide outlet, and the second edge opposite to the first edge is fixedly connected to the bag building rod.

Optionally, the slide export with between the laying support, parallel interval is equipped with two and separates the piece flexible buffer pocket is in when the open mode, two separate the piece with the third edge and the fourth edge of flexible buffer pocket link up, and with flexible buffer pocket encloses and closes formation pocket space.

Optionally, the flexible buffer bag is in a bag shape with a closed bottom and a closed periphery and an open upper end in a spreading state, one open side of the flexible buffer bag is fixedly connected with a part of the lower surface of the slideway, which is adjacent to the outlet of the slideway, and the other opposite side of the flexible buffer bag is fixedly connected with the bag building rod.

Optionally, the lower surface of slide is close to the slide exit is equipped with the couple, when flexible buffer memory pocket is in fold condition, build the packet pole articulate on the couple.

Optionally, lay the support and include two relative montants, each the montant all is equipped with builds a package buckle, when flexible buffer memory pocket is in the open mode, build a package pole with it can dismantle the joint to build a package buckle.

Optionally, the position of the bag building buckle is higher than the hook.

Optionally, the build-up buckle comprises a main buckle, a slave buckle and a knob bolt;

the main buckle comprises a main buckle base plate, a main buckle front plate and a main buckle rear plate, and the main buckle base plate, the main buckle front plate and the main buckle rear plate are enclosed to form a main buckle groove facing the opening of the vertical rod on the corresponding side; the auxiliary buckle comprises an auxiliary buckle base plate, an auxiliary buckle front plate and an auxiliary buckle rear plate, and the auxiliary buckle base plate, the auxiliary buckle front plate and the auxiliary buckle rear plate are enclosed to form auxiliary buckle grooves facing the vertical rod openings of the corresponding sides;

the openings of the main clamping groove and the auxiliary clamping groove are opposite, the vertical rods are surrounded and clamped on two sides of the vertical rods respectively, and the vertical rods are fixed through the knob bolts.

Optionally, a nut post is convexly arranged on the outer side surface of the main card rear plate, an embedding hole is formed in the auxiliary card rear plate, the knob bolt penetrates through the embedding hole and then is in threaded connection with the nut post, the rotary bolt is screwed down, the front end of the rotary bolt abuts against the rear side surface of the vertical rod, and the front side surface of the vertical rod abuts against the main card front plate and the auxiliary card front plate.

Optionally, the main buckle is mounted on one of the vertical rods, two main clamping lugs arranged at an interval are convexly arranged on the outer side surface of the main clamping substrate, and the lower end edges of the two main clamping lugs are connected through a first connecting plate to form a first clamping position which is open upwards;

the auxiliary buckle is arranged on the other opposite vertical rod, two auxiliary clamping lugs which are oppositely arranged at intervals are arranged on the outer side surface of the auxiliary clamping base plate in an upward protruding mode, and the lower end edges of the two auxiliary clamping lugs are connected through a second connecting plate to form a second clamping position which is opened upwards;

the bag building rod is a metal rod, and two ends of the bag building rod are respectively clamped in the first clamping position and the second clamping position;

and the first connecting plate and/or the second connecting plate are/is provided with an eddy current sensor used for detecting the bag building rod and triggering a bag building instruction.

Optionally, a shock absorber is further disposed on the first connecting plate and/or the second connecting plate, and is used for being carried by two ends of the bag building rod to protect the eddy current sensor.

The invention also provides a sorting system, which comprises a conveyor belt and a plurality of sorting devices, wherein the sorting devices are arranged on the side of the conveyor belt, and one end of the slide way, which is back to the slide way outlet, is connected with the side edge of the conveyor belt.

Based on the structural design, compared with the conventional metal plate slideway which is fixed in shape and long at present, the technical scheme of the invention provides a flexible slideway, namely, a package guiding functional area of the original slideway is changed into the slideway which is short in length, and a package caching functional area of the original slideway is replaced by a foldable string bag. Under the condition of normal sorting, the bag building rod in the buffer memory assembly is hung below the slide, at the moment, the net bag is in a folded state, the slide outlet is connected with the bag frame, and articles conveyed out from the slide can fall into the bag of the bag frame. And when the package frame meets full article, just can shift out the package frame to the direction of keeping away from the slide to building the package pole and hanging to laying on the support, at this moment, flexible buffer memory pocket is open mode, and forms the uncovered formula pocket that links up with the slide export, and the article falls into in the flexible buffer memory pocket promptly from the slide export, thereby realizes the buffer memory function. According to the technical scheme, the length of the original slide way can be effectively shortened, the object caching function is realized by the flexible caching pocket and the like which are simple in structure and low in cost, and the flexible caching pocket can be folded to reduce the occupied area of the slide way during normal sorting. In summary, the sorting device can reduce the occupied space area of the slide way and reduce the cost of the sorting device while realizing the normal object caching function.

Drawings

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

Fig. 1 is a schematic partial structure diagram of a sorting apparatus provided in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural diagram of a chute, a package frame and a flexible buffer pocket in a folded state of the sorting device provided by the embodiment of the invention;

FIG. 4 is an enlarged schematic view at B in FIG. 3;

FIG. 5 is a schematic structural diagram of a chute and a flexible buffer pocket in an open state of a sorting device provided by an embodiment of the invention;

fig. 6 is an exploded view of a bag building buckle of the sorting apparatus provided by the embodiment of the invention;

FIG. 7 is a top view of a bag building buckle of the sorting device provided by the embodiment of the invention;

fig. 8 is a rear view of the bag building buckle of the sorting device provided by the embodiment of the invention.

The reference numbers illustrate:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The embodiment of the invention provides a sorting device.

Referring to fig. 1, 3, 4 and 5, in the embodiment of the present disclosure, the sorting apparatus includes a chute 100 and a buffer assembly; a chute 100 for conveying articles, having a chute outlet 110; the buffer component comprises a flexible buffer pocket 210, a bag building rod 220 and a placing support 230, one end of the flexible buffer pocket 210 is connected with the slide outlet 110, the other end of the flexible buffer pocket is connected with the bag building rod 220, and the placing support 230 is arranged on one side of the buffer component, which is back to the slide 100, at intervals; the flexible buffer pocket 210 has a folding state and an opening state, in the folding state, the bag building rod 220 is hung below the position of the slideway outlet 110, and the slideway outlet 110 is connected with a bag frame 700 for bearing the bags; in the open state, the bag building rod 220 is connected with the placing bracket 230, and the slide outlet 110 is connected with the upper opening of the flexible buffer bag 210. Here, the flexible buffer bag 210 may be, but is not limited to, a flexible net bag, a flexible cloth bag, a flexible plastic bag, or the like, and particularly, in this embodiment, is a flexible net bag.

Based on the structural design, compared with the conventional metal plate slideway 100 with a fixed and long shape, the technical scheme of the invention provides a design of the flexible slideway 100, namely, a package guiding functional area of the original slideway 100 is changed into the slideway 100 with a short length in the invention, and a package caching functional area of the original slideway 100 is replaced by a foldable string bag. Under the condition of normal sorting, the bag building rod 220 in the buffer assembly is hung below the slide 100, at the moment, the net bag is in a folded state, the slide outlet 110 is connected with the bag frame 700, and the articles conveyed out of the slide 100 can fall into the bag of the bag frame 700. When the bag frame 700 is filled with articles, the bag frame 700 can be moved out in the direction away from the slide 100, and the bag building rod 220 is hung on the placing support 230 which is positioned in front of the slide 100 (the direction that the articles slide along the slide is taken as the front) and fixed with the ground, at this moment, the flexible buffer storage pocket 210 is in an open state, an upper opening type pocket connected with the slide outlet 110 is formed, and the articles fall into the flexible buffer storage pocket 210 from the slide outlet 110, so that the buffer storage function is realized. The use process shows that the technical scheme of the invention can effectively shorten the length of the original slide way 100, and the flexible buffer storage pocket 210 with simple structure and low cost is adopted to realize the object buffer storage function, and when in normal sorting, the flexible buffer storage pocket 210 can be folded to reduce the occupied area of the slide way 100. In summary, the sorting apparatus can reduce the occupied space of the chute 100 and the cost of the sorting apparatus while achieving the normal object caching function.

Specifically, as shown in fig. 1 and 5, the flexible buffer pocket 210 is rectangular in the unfolded state, and has a first side 211, a second side 212, a third side 213, and a fourth side 214, the first side 211 is fixedly connected to a portion of the lower surface of the chute 100 adjacent to the chute outlet 110, and the second side 212 opposite to the first side 211 is fixedly connected to the bag building bar 220, so that one end of the flexible buffer pocket is fixed, and the other end moves along with the bag building bar, and the flexible buffer pocket 210 can be placed at different positions along with the bag building bar 220, thereby realizing the switching between the folded state and the unfolded state.

Further, as shown in fig. 1 and fig. 2, in the present embodiment, two partition members 300 are disposed in parallel at intervals between the chute outlet 110 and the placing support 230, each partition member 300 is fixedly installed in an interval between two adjacent chutes 100, and when the flexible buffer pocket 210 is in the folded state, the partition members 300 are used to partition the two adjacent chutes 100 and the corresponding two adjacent bag frames 700, so as to prevent items from being misdropped into the adjacent bag frames 700; when the flexible buffer pocket 210 is in an open state, the two partitions 300 are engaged with the third edge 213 and the fourth edge 214 of the flexible buffer pocket 210, and form a pocket space with the flexible buffer pocket. Specifically, on a production line of a sorting system, a row of a plurality of sorting ports are arranged on both sides of a conveyor belt 10, each sorting port is provided with a slide way 100, a flexible buffer storage pocket 210 is arranged at the position of the slide way outlet 110, and a partition 300, i.e. a grid, is arranged between two adjacent slide ways 100 to separate, so that a flexible four-sided closed space can be formed between the flexible buffer storage pocket 210 in an open state and the partition 300 on both sides, and further, the objects transported out from the slide way outlet 110 can be ensured to accurately fall into the flexible buffer storage pocket 210. However, the design is not limited thereto, in other embodiments, the flexible buffer pocket 210 is in a bag shape with a closed bottom and periphery and an open upper end in the expanded state, one side of the opening is fixedly connected to the lower surface of the chute 100 adjacent to the chute outlet 110, and the other opposite side is fixedly connected to the bag building rod 220, so that the object buffer function can be realized.

Referring to fig. 3 to 5, in the embodiment, a hook 120 is disposed at a position adjacent to the chute outlet 110 on the lower surface of the chute 100, and when the flexible buffer bag 210 is in a folded state, the bag building rod 220 is hung on the hook 120, so that the occupied space can be reduced, and the bag building rod 220 is convenient to take.

Further, referring to fig. 2 and 5, in this embodiment, a connecting piece 221 is protruded from the bag building bar 220, and the connecting piece 221 is connected to an end of the flexible buffer bag 210 away from the chute 100. Specifically, a plurality of connecting pieces 221 are welded to the lower side surface of the metal bag building rod 220, the connecting pieces 221 are distributed at intervals along the length direction of the bag building rod 220, and hooks hooked with the grids of the flexible cache bags 210 are arranged at the lower ends of the connecting pieces 221, so that one ends, far away from the slide ways 100, of the flexible cache bags 210 are firmly connected with the bag building rod 220.

Further, referring to fig. 4 and 5, in the present embodiment, the wrapping rod 220 is wrapped with a magic tape 222, and two ends of the wrapping rod 220 are provided with plugs (not labeled). Here, the magic tapes 222 are wrapped at the middle portion of the wrapping rod 220 to facilitate gripping by hands, and the plugs disposed at both sides of the wrapping rod 220 are beneficial to protecting the end portions of both ends of the wrapping rod 220.

Referring to fig. 1, 2, 5 and 6, in the present embodiment, the placing support 230 includes two opposite vertical rods 231, each vertical rod 231 is provided with a bag-building fastener 400, and when the flexible cache pocket 210 is in an open state, the bag-building rod 220 is detachably fastened to the bag-building fastener 400.

Here, as shown in fig. 1 and 5, the position of the bag making buckle 400 is preferably higher than the hook 120. Thus, a higher shielding part can be erected in front of the slide outlet 110 to prevent the objects from overflowing easily when being cached in the flexible cache pocket 210, and the effective cache volume of the flexible cache pocket 210 can be further increased by matching with the slide 100.

Referring to fig. 5 to 8, in the present embodiment, specifically, the bag-building buckle 400 is a rear-loading buckle capable of realizing position fixing by mutual locking, and specifically includes a main buckle 410, a slave buckle 420 and a knob bolt 430; the main buckle 410 includes a main card substrate 411, a main card front plate 412 and a main card rear plate 413, wherein the main card substrate 411, the main card front plate 412 and the main card rear plate 413 enclose to form a main clamping slot 415 which is open towards the vertical rod 231 of the corresponding side; the secondary buckle 420 comprises a secondary card base plate 421, a secondary card front plate 422 and a secondary card rear plate 423, wherein the secondary card base plate 421, the secondary card front plate 422 and the secondary card rear plate 423 enclose a secondary clamping groove 425 which is opened towards the vertical rod 231 on the corresponding side; the openings of the main clamping groove 415 and the auxiliary clamping groove 425 are opposite, the vertical rod 231 is surrounded and clamped at two sides of the vertical rod 231 respectively, and the vertical rod 231 is fixed through a knob bolt 430. Thus, the main buckle 410 and the auxiliary buckle 420 which are designed into U shapes are matched with the knob bolt 430, so that the vertical, left and right and front and back directions can be locked with each other, the bag building buckle 400 can be conveniently installed on the vertical rod 231, and the vertical rod 231 does not need to be destructively installed by drilling and the like.

Further, as shown in fig. 6 and 7, in the present embodiment, a nut post 414 is provided to protrude from the outer surface of the main card rear plate 413, a fitting hole 424 is provided in the sub card rear plate 423, a knob bolt 430 is screwed to the nut post 414 after passing through the fitting hole 424, and after the rotation bolt is tightened, the tip of the rotation bolt abuts against the rear surface of the stem 231, and the front surface of the stem 231 abuts against the main card front plate 412 and the sub card front plate 422. As shown in the direction marks in fig. 6 to 8, during actual installation, the main clip 410 is firstly clipped in from one side surface of the vertical rod 231, the auxiliary clip 420 is clipped in from the other opposite side surface of the vertical rod 231, the auxiliary clip rear plate 423 is located behind the main clip rear plate 413, the auxiliary clip front plate 422 is located behind the main clip front plate 412, and the widths of the notches of the main clip groove 415 and the auxiliary clip groove 425 are both greater than the width of the vertical rod 231, so as to facilitate clipping and subsequent alignment of the nut post 414 and the nesting hole 424; then, the nut post 414 and the fitting hole 424 are aligned, and the rotary bolt is screwed to pass through the fitting hole 424, the nut post 414, and the main card rear plate 413 in this order, and then to abut against and press against the rear side surface of the stem 231. Thus, in the left-right direction, the nut posts 414 and the nesting holes 424 can be aligned and matched to realize locking, and in the front-back direction and the up-down direction, the locking can be realized by the compression of the rotating screw rod and the vertical rod 231. Here, the positioning protrusion 416 is provided on the main card front plate 412, and the positioning groove 426 is provided on the sub card front plate 422, which cooperate to facilitate the positioning and locking of the main buckle 410 and the sub bayonet in the left-right and up-down directions.

Further, referring to fig. 2, fig. 5 and fig. 7, in the present embodiment, a main buckle 410 is installed on a vertical rod 231, two main buckle lugs 417 arranged at an interval are convexly installed on an outer side surface of the main buckle base plate 411, and lower end edges of the two main buckle lugs 417 are connected by a first connecting plate 418 to form a first buckle 419 opening upward; a secondary buckle 420 is arranged on the other opposite vertical rod 231, two secondary clamping lugs 427 oppositely arranged at intervals are arranged on the outer side surface of the clamping base plate 421 in a protruding mode, and the lower end edges of the two secondary clamping lugs 427 are connected through a second connecting plate 428 to form a second clamping position 429 with an upward opening; build a packet pole 220 and be the metal pole, and both ends block in first screens 419 and the second screens 429 respectively, just so, can realize building packet pole 220 card very conveniently and put between two montants 231, accomplish and build the connection between packet pole 220 and lay the support 230. In addition, eddy current sensors 500 are provided on the first connecting plate 418 and the second connecting plate 428 to detect the bale making lever 220 and trigger the bale making command. When the bag building rod 220 is taken down from the hook 120 below the slideway 100 and placed on the placing bracket 230, that is, two ends of the bag building rod are respectively clamped into the first clamping position 419 and the second clamping position 429, at this time, the eddy current sensor 500 detects metal and triggers a bag building signal, in other words, in the design of the invention, the placing action of the bag building rod 220 can synchronously realize the caching operation and the prompting operation of bag building, and further improve the sorting and bag building efficiency of the sorting device.

Further, as shown in fig. 2 and 7, the first connecting plate 418 and/or the second connecting plate 428 are further provided with a damper 600 for mounting at two ends of the building bar 220 to protect the eddy current sensor 500. In this embodiment, the damper 600 is specifically a rubber damper 600, and is mainly used to avoid collision damage to the eddy current sensor 500 during the placement process of the bale building rod 220. In addition, a cover 440 is provided under each of the two main lugs 417 and the two sub lugs 427 to protect the area under the eddy current sensor 500.

The invention also provides a sorting system, which comprises the conveyor belt 10 shown in fig. 1 and a plurality of sorting devices as described above, wherein the sorting devices are arranged at the side of the conveyor belt 10, and one end of the slideway 100, which is back to the slideway outlet 110, is connected with the side edge of the conveyor belt 10. The specific structure of the sorting device refers to the above embodiments, and since the sorting system adopts all the technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are also achieved, and are not repeated herein.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A sorting device, comprising:

the flexible buffer pocket has a folded state and an unfolded state, the bag building rod is hung below the outlet of the slide way in the folded state, the outlet of the slide way is connected with a bag frame for bearing packages, articles conveyed out of the slide way can fall into a bag of the bag frame, when the bag frame is full of articles, the bag frame is moved out in the direction away from the slide way, and the bag building rod is hung on a placing support which is positioned in front of the slide way and fixed with the ground; open mode, build a packet pole with lay the leg joint, the slide export with the uncovered linking in last of flexible buffer memory pocket.

2. The sorting apparatus according to claim 1, wherein the flexible buffer pocket is a flexible net pocket, a flexible cloth bag or a flexible plastic bag.

3. The sorter of claim 1 wherein the flexible buffer pocket is rectangular in the expanded state and has a first side, a second side, a third side, and a fourth side, the first side being fixedly attached to a lower surface of the chute adjacent the chute exit, the second side opposite the first side being fixedly attached to the bale building bar.

4. A sorter as in claim 3 wherein there are two dividers spaced in parallel between the chute outlet and the receiving support, the dividers engaging the third and fourth sides of the flexible buffer pocket and enclosing the flexible buffer pocket to form a pocket when the flexible buffer pocket is in the open position.

5. The sorter of claim 1 wherein said flexible buffer pocket is in the form of a bag closed at the bottom and around and open at the top in the expanded position, with one open side fixedly attached to the lower surface of said chute adjacent the chute exit and the opposite side fixedly attached to said bale building bar.

6. The sorter of claim 1 wherein the lower surface of the chute is provided with a hook adjacent the chute outlet, the bale building bar being hooked to the hook when the flexible buffer pocket is in the collapsed state.

7. The sorting device according to claim 6, wherein the placing support comprises two opposite vertical rods, each vertical rod is provided with a bag building buckle, and the bag building rod is detachably clamped with the bag building buckle when the flexible buffer bag is in an open state.

8. The sorting apparatus according to claim 7, wherein the bale building clasp is positioned higher than the hook.

9. The sorting apparatus according to claim 7, wherein the build buckle includes a master buckle, a slave buckle, and a knob bolt;

10. The sorting apparatus according to claim 9, wherein a nut post is protruded from an outer side surface of the main card rear plate, a fitting hole is formed in the sub card rear plate, the knob bolt is screwed with the nut post after passing through the fitting hole, and after the knob bolt is tightened, a front end of the knob bolt abuts against a rear side surface of the stem, and a front side surface of the stem abuts against the main card front plate and the sub card front plate.

11. The sorting device according to claim 9, wherein the main buckle is mounted on a vertical rod, two main clamping lugs arranged at an interval are convexly arranged on the outer side surface of the main clamping base plate, and the lower end edges of the two main clamping lugs are connected through a first connecting plate to form a first clamping position which is opened upwards;

12. The sorting device according to claim 11, wherein the first connecting plate and/or the second connecting plate are further provided with dampers for carrying both ends of the bale building rod to protect the eddy current sensors.

13. A sorting system comprising a conveyor belt and a plurality of sorting devices according to any one of claims 1 to 12, the sorting devices being disposed on the sides of the conveyor belt, the end of the chute facing away from the outlet of the chute engaging the side edge of the conveyor belt.