CN219923774U - Sorting and carrier reflux conveyor - Google Patents

Abstract

The utility model relates to the technical field of conveying equipment, in particular to a sorting and carrier reflux conveyor which comprises a first conveying line, a second conveying line, a third conveying line, a carrier positioning mechanism I, a carrier pushing mechanism, a first material blocking mechanism, a quantitative material distributing mechanism, a sorting mechanism I, a sorting mechanism II and a reflux material pushing mechanism, wherein the conveying direction of the second conveying line and the conveying direction of the third conveying line are opposite to the conveying direction of the first conveying line, a material receiving area, a first buffer area, a quantitative material distributing area, a first sorting area, a second sorting area and a third sorting area are divided in the conveying direction of the first conveying line, a second buffer area, a confluence area and a material waiting area are divided in the conveying direction of the second conveying line, and the output end of the third conveying line is communicated with the confluence area. The utility model can sort a plurality of bad products at one time, the bad products in different batches can be sorted without confusion, the backflow of the empty carrier can be realized, the efficiency of sorting the products is improved, and the cost is greatly reduced.

Description

Sorting and carrier reflux conveyor

Technical Field

The utility model relates to the technical field of conveying equipment, in particular to a sorting and carrier reflux conveyor.

Background

In the production process of products, products are often required to be detected so as to ensure the quality of the products, and a sorting machine is required to sort good products and defective products after detection. For example, in the battery production process, various performances and indexes of the batteries need to be detected, defective batteries need to be sorted after detection, and since the types of defective batteries are many, the defective batteries of different types need to be sorted. In the prior art, the batteries are generally sorted by arranging different bearing stations around the joint mechanical arm, the joint mechanical arm sequentially picks up different types of defective products onto the corresponding bearing stations, the joint mechanical arm frequently moves in the different bearing stations, the sorting efficiency is greatly reduced, the joint mechanical arm is high in price and high in control precision requirement.

Among the current patents, chinese patent document with application number 202022824483.0 discloses a defective products sorter, it discloses that the manipulator takes defective products electric core from the material loading department, then place the defective products electric core in the place ahead of sweeping the sign indicating number rifle for the two-dimensional code on the defective products electric core can be read by sweeping the sign indicating number rifle, sweep the sign indicating number rifle and sweep the information on the two-dimensional code behind the sign indicating number to the defective products electric core, obtain the production data of defective products electric core, the defective products electric core classification of different production line production is placed in unloading department at last the manipulator, up to this point, accomplish the sorting operation of defective products electric core. The sorting efficiency of this patent document is low.

Thus, the drawbacks are quite apparent and there is a need to provide a solution.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a sorting and carrier reflux conveyor.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a select separately and carrier reflux conveyor, it includes first transfer chain, the second transfer chain, the third transfer chain, carrier positioning mechanism one, push away carrier mechanism, first stock stop, quantitative feed divider, sorting mechanism one, sorting mechanism two and backward flow pushing mechanism, first transfer chain, second transfer chain and third transfer chain set gradually side by side, the direction of delivery of second transfer chain and the direction of delivery of third transfer chain are opposite with the direction of delivery of first transfer chain, the direction of delivery of first transfer chain is divided and is received the material district, buffer zone one, quantitative feed divider, sorting zone one, sorting zone two and sorting zone three, first stock stop sets up in buffer zone one's discharge end, quantitative feed divider sets up in quantitative feed divider, sorting mechanism one sets up in sorting zone one, sorting mechanism two sets up in sorting zone two, backward flow pushing mechanism sets up in sorting zone three, the direction of delivery of second transfer chain is divided and is had buffer zone two, the area of converging and waiting for the material district, the output and the area intercommunication of third transfer chain, carrier positioning mechanism one and pushing mechanism all set up in buffer zone one and push away carrier mechanism and waiting to set up in carrier positioning mechanism coincide.

Further, a second material blocking mechanism is arranged at the discharge end of the second buffer area.

Further, a third buffer area and a fourth buffer area are divided in the conveying direction of the third conveying line, the fourth buffer area is correspondingly arranged with the second sorting mechanism, and the third buffer area is correspondingly arranged with the reflow pushing mechanism.

Further, a third material blocking mechanism is arranged at the discharge end of the third buffer area, and a fourth material blocking mechanism is arranged at the discharge end of the fourth buffer area.

Further, the quantitative distributing mechanism comprises at least two quantitative blocking modules which are arranged along the conveying direction of the first conveying line.

Further, the first carrier positioning mechanism comprises a plurality of baffles arranged between the first conveying line and the second conveying line in a lifting manner, a plurality of lifting drivers respectively connected with the plurality of baffles in a driving manner, a positioning plate arranged above the second conveying line in a moving manner and a moving driver in driving connection with the positioning plate, wherein the moving driver is used for driving the positioning plate to move close to or away from the baffles, the positioning plate is provided with a plurality of positioning grooves, the plurality of positioning grooves are respectively arranged in one-to-one correspondence with the plurality of baffles, and the lifting drivers are used for driving the corresponding baffles to lift; the pushing carrier mechanism comprises a plurality of pushing modules which are arranged in parallel, and the pushing modules are respectively arranged in one-to-one correspondence with the baffle plates.

Further, a second carrier positioning mechanism is arranged in the material receiving area.

Further, the first carrier positioning mechanism further comprises a plurality of inductors arranged on the positioning plate, and the plurality of inductors are respectively arranged in one-to-one correspondence with the plurality of positioning grooves.

Further, the first sorting mechanism and/or the second sorting mechanism comprise/comprise a sorting positioning module, a sorting pushing module and a sorting blocking module, the sorting positioning module and the sorting pushing module are arranged in a superposition mode, the sorting blocking module is located at the discharging end of the sorting positioning module, the structure of the sorting positioning module is identical to that of the first carrier positioning mechanism, and the structure of the sorting pushing module is identical to that of the carrier pushing mechanism.

Further, the backflow pushing mechanism comprises a backflow pushing module and a fifth material blocking mechanism which are respectively arranged at the discharge end of the first conveying line, and the backflow pushing module and the buffer area are correspondingly arranged.

The utility model has the beneficial effects that: the utility model realizes the pipelined sorting, can sort a plurality of bad products (such as batteries and the like) at one time, can not be confused with the sorting of the bad products in different batches, can also realize the reflux of an empty carrier, improves the efficiency of sorting the products, greatly reduces the cost, has a slender structure and small occupied area of equipment in width.

Drawings

Fig. 1 is a top view of the present utility model.

Fig. 2 is a schematic perspective view of a carrier positioning mechanism and a carrier pushing mechanism according to the present utility model.

Reference numerals illustrate:

1. a first conveyor line; 2. a second conveyor line; 3. a third conveyor line; 4. a first carrier positioning mechanism; 5. a pushing carrier mechanism; 6. a first dam mechanism; 7. a quantitative material distributing mechanism; 8. a first sorting mechanism; 9. a second sorting mechanism; 10. a reflow pushing mechanism; 11. a material receiving area; 12. a first cache area; 13. quantitative material dividing area; 14. sorting the first region; 15. sorting area II; 16. a third sorting area; 17. a second cache region; 18. a confluence region; 19. a material waiting area; 20. a second dam mechanism; 21. a buffer area III; 22. a cache region IV; 23. a third material blocking mechanism; 24. a fourth stock stop; 25. a quantitative blocking module; 26. a baffle; 28. a positioning plate; 29. a movement driver; 30. a positioning groove; 31. pushing the module; 32. a carrier positioning mechanism II; 33. an inductor; 34. a sorting and positioning module; 35. a sorting and pushing module; 36. a backflow pushing module; 37. a fifth stock stop; 38. a sixth stock stop; 39. a sorting blocking module; 40. and a carrier.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, the sorting and carrier reflux conveyor provided by the utility model comprises a first conveyor line 1, a second conveyor line 2, a third conveyor line 3, a carrier positioning mechanism I4, a carrier pushing mechanism 5, a first material blocking mechanism 6, a quantitative material dividing mechanism 7, a sorting mechanism I8, a sorting mechanism II 9 and a reflux pushing mechanism 10, wherein the first conveyor line 1, the second conveyor line 2 and the third conveyor line 3 are sequentially arranged side by side, the conveying direction of the second conveyor line 2 and the conveying direction of the third conveyor line 3 are opposite to the conveying direction of the first conveyor line 1, a material receiving zone 11, a buffer zone I12, a quantitative material dividing zone 13, a sorting zone II 15 and a sorting zone III 16 are arranged at the discharge end of the buffer zone I12, the quantitative material dividing mechanism 7 is arranged at the quantitative material dividing zone 13, the sorting mechanism I8 is arranged at the buffer zone I14, the sorting mechanism II 9 is arranged at the buffer zone II 15, the reflux pushing mechanism 10 is arranged at the buffer zone II 15, the third conveyor line 16 is arranged at the buffer zone I16, the buffer mechanism II and the buffer I4 is arranged at the buffer zone I18, the buffer mechanism II and the buffer I4 is correspondingly arranged at the buffer zone I18, the buffer I4 and the buffer I19 is correspondingly arranged at the buffer zone III 4, the buffer I19 is correspondingly arranged at the buffer zone III and the buffer zone I4 and the buffer zone II 19.

The utility model is particularly suitable for carrying out bad sorting on batteries; in this embodiment, defective cells are sorted by way of example. Since the batteries need to perform various performance tests during the process, it is necessary to sort out bad batteries in different performance tests. In practical applications, the carriers 40 can be circularly transported among the first conveyor line 1, the second conveyor line 2 and the third conveyor line 3, the material waiting area 19 of the second conveyor line 2 carries a plurality of empty carriers 40, the carrier positioning mechanism 4 positions the plurality of carriers 40 to ensure the position accuracy and stability of the plurality of carriers 40 on the second conveyor line 2, the external transfer manipulator picks up a batch of bad batteries on the corresponding carriers 40, so that the bad batteries are carried on the carriers 40 at the corresponding positions, after the carriers 40 at the corresponding positions carry bad batteries, the pushing carrier mechanism 5 pushes the carriers 40 carrying batteries to the material receiving area 11 of the first conveyor line 1, after the first conveyor line 1 conveys the carriers 40 carrying batteries of the previous batch to the quantitative distribution area 13, the first blocking mechanism 6 blocks the carriers 40 carrying batteries of the next batch, the problem that the defective battery in the previous batch is confused with the defective battery in the next batch is avoided, the quantitative distributing mechanism 7 carries out quantitative conveying on the carriers 40 positioned in the quantitative distributing area 13, so that the carriers 40 bearing the defective battery are conveyed to the first sorting area 14, the first sorting mechanism 8 sorts the battery bearing the defective battery into the second buffer area 17 of the second conveying line 2, the first external defective manipulator or the manual work takes away the defective battery in the second buffer area 17, then the rest of the carriers 40 are conveyed to the second sorting area 15, the second sorting mechanism 9 sorts the battery bearing the defective battery into the fourth buffer area 22 of the third conveying line 3, the second external defective manipulator or the manual work takes away the defective battery in the fourth buffer area 22, then the rest of the carriers 40 are conveyed to the third sorting area 16, the battery of defective products III in the sorting area III 16 is taken away by an external defective product III manipulator or manually, the reflow pushing mechanism 10 pushes empty carriers 40 to the buffer area III 21 of the third conveying line 3, the empty carriers 40 on the second conveying line 2 are conveyed to the material waiting area 19 on the second conveying line 2, the empty carriers 40 on the third conveying line 3 are conveyed to the converging area 18 of the second conveying line 2, and the empty carriers 40 in the converging area 18 are conveyed to the material waiting area 19 so as to realize reflow and circulation conveying of the empty carriers 40. The utility model realizes the pipelined sorting, can sort a plurality of bad products (such as batteries and the like) at one time, can not be confused with the sorting of the bad products in different batches, can also realize the reflux of the empty carrier 40, improves the efficiency of sorting the products, greatly reduces the cost, has a slender structure and small occupied area of the equipment in width.

In this embodiment, the discharge end of the second buffer area 17 is provided with a second stop mechanism 20. The second blocking mechanism 20 is used for blocking the carriers 40 in the second buffer area 17, so that the carriers 40 can be temporarily buffered in the second buffer area 17, the backflow conveying of the carriers 40 can be conveniently controlled, and collision and the like between the carriers 40 output by the second buffer area 17 and the carriers 40 conveyed by the third conveying line 3 in a converging mode are avoided.

In this embodiment, the third stop mechanism 23 is disposed at the discharge end of the third buffer area 21, and the third stop mechanism 23 is used to block the carrier 40 in the third buffer area 21, so that the carrier 40 can be temporarily stored in the third buffer area 21, and the transportation of the carrier 40 is convenient to be controlled; the fourth material blocking mechanism 24 is arranged at the discharge end of the fourth buffer zone 22, and the fourth material blocking mechanism 24 is used for blocking the carrier 40 in the fourth buffer zone 22, so that the carrier 40 can be temporarily stored in the fourth buffer zone 22, and the conveying of the carrier 40 can be conveniently controlled.

In this embodiment, the quantitative distribution mechanism 7 includes at least two quantitative blocking modules 25 arranged along the conveying direction of the first conveying line 1; preferably, the number of the quantitative blocking modules 25 is three, and the quantitative blocking modules 25 may employ blocking cylinders. A preset number of carriers 40 can be accommodated between two adjacent quantitative blocking modules 25, and all the quantitative blocking modules 25 work cooperatively to realize stable conveying of the fixed number of carriers 40.

In this embodiment, the first carrier positioning mechanism 4 includes a plurality of baffles 26 arranged between the first conveying line 1 and the second conveying line 2 in a lifting manner, a plurality of lifting drivers respectively connected with the plurality of baffles 26 in a driving manner, a positioning plate 28 arranged above the second conveying line 2 in a moving manner, and a moving driver 29 connected with the positioning plate 28 in a driving manner, wherein the moving driver 29 is used for driving the positioning plate 28 to move close to or away from the baffles 26, the positioning plate 28 is provided with a plurality of positioning grooves 30, the plurality of positioning grooves 30 are respectively arranged in a one-to-one correspondence with the plurality of baffles 26, and the lifting drivers are used for driving the corresponding baffles 26 to lift; the pushing carrier mechanism 5 comprises a plurality of pushing modules 31 which are arranged in parallel, and the pushing modules 31 are respectively arranged in one-to-one correspondence with the baffles 26; the lifting driver may employ a vertically disposed cylinder, the moving driver 29 may employ a horizontally disposed cylinder, and the pushing module 31 may employ a horizontally disposed pushing cylinder.

In practical application, when the carriers 40 are located between the baffle 26 and the positioning plate 28, and the carriers 40 need to be positioned, the moving driver 29 drives the positioning plate 28 to move in a direction close to the baffle 26, the positioning plate 28 cooperates with the plurality of baffles 26 to position the carriers 40, so that each carrier 40 is located in the corresponding positioning slot 30, after positioning, when the external transfer manipulator picks up a batch of defective batteries onto the corresponding carrier 40, the lifting driver corresponding to the carrier 40 carrying the batteries drives the corresponding baffle 26 to descend, so that the corresponding pushing module 31 pushes the corresponding carrier 40 onto the first conveyor line 1 after the baffle 26 descends below the conveying surface of the second conveyor line 2, and the first conveyor line 1 conveys the carrier 40 carrying the batteries.

In another embodiment, the receiving area 11 is provided with a second carrier positioning mechanism 32; preferably, the structure of the second carrier positioning mechanism 32 is identical to the structure of the first carrier positioning mechanism 4. In practical applications, the carriers 40 can be circularly conveyed among the first conveying line 1, the second conveying line 2 and the third conveying line 3, the material receiving area 19 of the second conveying line 2 carries a plurality of empty carriers 40, the first carrier positioning mechanism 4 and the second carrier positioning mechanism 32 can both position the carriers 40 to ensure the position precision and stability of different carriers 40 on the second conveying line 2 and the first conveying line 1, the external transfer manipulator can pick up at least one batch of bad batteries, the pushing carrier mechanism 5 pushes empty carriers 40 which are in the material receiving area 19 of the second conveying line 2 and correspond to the positions of the batteries picked up by the external transfer manipulator into the material receiving area 11 of the first conveying line 1, then the second carrier positioning mechanism 32 positions the carriers 40 in the material receiving area 11, the external transfer manipulator picks up one batch of bad batteries onto the corresponding carriers 40 in the material receiving area 11, the bad batteries are carried on the carriers 40 at the corresponding positions, then the carrier positioning mechanism II 32 releases the positioning of the carriers 40, the first conveyor line 1 conveys the carriers 40, after the first conveyor line 1 conveys the carriers 40 carrying the batteries of the previous batch to the quantitative dividing region 13, the first stop mechanism 6 stops the carriers 40 carrying the batteries of the next batch, the confusion of the bad batteries of the previous batch and the bad batteries of the next batch is avoided, the quantitative dividing mechanism 7 conveys the carriers 40 positioned in the quantitative dividing region 13 in a quantitative manner, the carriers 40 carrying the bad batteries are conveyed to the first sorting region 14, the first sorting mechanism 8 sorts the batteries carrying the bad batteries into the second buffer region 17 of the second conveyor line 2, the external bad batteries one manipulator takes the bad batteries in the second buffer region 17, then the rest of the carriers 40 are conveyed to a second sorting area 15, the second sorting mechanism 9 sorts the batteries carrying the defective products into a fourth buffer area 22 of the third conveying line 3, the external defective product second manipulator takes away the defective products in the fourth buffer area 22, then the rest of the carriers 40 are conveyed to a third sorting area 16, the external defective product third manipulator takes away the defective products in the third sorting area 16, the reflow pushing mechanism 10 pushes the empty carriers 40 into a third buffer area 21 of the third conveying line 3, the empty carriers 40 on the second conveying line 2 are conveyed to a waiting area 19 on the second conveying line 2, the empty carriers 40 on the third conveying line 3 are conveyed to a converging area 18 of the second conveying line 2, and the empty carriers 40 in the converging area 18 are conveyed to the waiting area 19 so as to realize reflow and circulation conveying of the empty carriers 40.

Further, the first carrier positioning mechanism 4 further includes a plurality of sensors 33 mounted on the positioning board 28, the plurality of sensors 33 are respectively disposed in one-to-one correspondence with the plurality of positioning slots 30, the plurality of sensors 33 are respectively electrically connected with the plurality of pushing modules 31, and the plurality of lifting drivers are respectively electrically connected with the plurality of sensors 33. Each sensor 33 senses the battery in one positioning groove 30, when the sensor 33 detects that the battery exists in the positioning groove 30, the corresponding lifting driver drives the corresponding baffle 26 to descend, and the corresponding pushing module 31 pushes the carrier 40 together with the battery onto the first conveying line 1, so that accurate pushing of the carrier 40 is realized.

In this embodiment, the first sorting mechanism 8 and/or the second sorting mechanism 9 includes a sorting positioning module 34, a sorting pushing module 35 and a sorting blocking module 39, the sorting blocking module 39 may be a cylinder, the sorting positioning module 34 and the sorting pushing module 35 are overlapped, the sorting blocking module 39 is located at the discharge end of the sorting positioning module 34, the structure of the sorting positioning module 34 is the same as that of the first carrier positioning mechanism 4, and the structure of the sorting pushing module 35 is the same as that of the pushing carrier mechanism 5. In practical application, when the quantitative material separating mechanism 7 supplies the preset number of carriers 40 to the first sorting mechanism 8, the sorting blocking module 39 blocks the foremost carrier 40, the sorting positioning module 34 positions the carriers 40, the sorting pushing module 35 pushes the carriers 40 carrying the defective batteries to the second conveying line 2 according to the defective types of the batteries carried by the carriers 40, the rest carriers 40 are supplied to the second sorting mechanism 9, the working principle of the second sorting mechanism 9 is the same as that of the first sorting mechanism 8, the second sorting mechanism 9 pushes the carriers 40 carrying the defective batteries to the third conveying line 3, and the rest carriers 40 are supplied to the third sorting area 16, so that the batteries at the third sorting area 16 are defective products, and sorting of different types of defective products is achieved. Preferably, the first sorting mechanism 8 is identical in structure to the second sorting mechanism 9. The structure design is beneficial to stably sorting batteries, and meanwhile, the structure universality is good, the maintenance is convenient, and the cost is further reduced.

In this embodiment, the reflow pushing mechanism 10 includes a reflow pushing module 36 and a fifth material blocking mechanism 37, which are respectively disposed at the discharge end of the first conveying line 1, where the reflow pushing module 36 is disposed corresponding to the third buffer area 21; preferably, the back-flow pushing module 36 may employ a back-flow pushing cylinder.

Preferably, the number of the third conveying lines 3 is at least one, the number of the sorting mechanisms II 9 is at least one, and one third conveying line 3 is arranged corresponding to one sorting mechanism II 9; this structural design has increased the bad kind of sorting battery, for example: when the number of the third conveying lines 3 is two, the batteries of the defective products four can be sorted.

Specifically, the discharge end of the second conveyor line 2 is provided with a sixth striker mechanism 38. The sixth blocking mechanism 38 is used for blocking the carriers 40 in the material waiting area 19 on the second conveying line 2, so that the stability of the carriers 40 in the material waiting area 19 is improved.

Preferably, the first material blocking mechanism 6, the second material blocking mechanism 20, the third material blocking mechanism 23, the fourth material blocking mechanism 24, the fifth material blocking mechanism 37 and the sixth material blocking mechanism 38 may all adopt material blocking cylinders.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (10)

1. A sorting and carrier return conveyor, characterized by: comprises a first conveying line (1), a second conveying line (2), a third conveying line (3), a first carrier positioning mechanism (4), a first pushing carrier mechanism (5), a first material blocking mechanism (6), a first quantitative material sorting mechanism (7), a second sorting mechanism (8), a second sorting mechanism (9) and a backflow material pushing mechanism (10), wherein the first conveying line (1), the second conveying line (2) and the third conveying line (3) are sequentially arranged side by side, the conveying direction of the second conveying line (2) and the conveying direction of the third conveying line (3) are opposite to the conveying direction of the first conveying line (1), a material receiving area (11), a first buffer area (12), a quantitative material sorting area (13), a first sorting area (14), a second sorting area (15) and a third sorting area (16) are divided in the conveying direction of the first conveying line (1), the first material blocking mechanism (6) is arranged at the discharging end of the first buffer area (12), the first quantitative material sorting mechanism (7) is arranged at the quantitative material sorting area (13), the first sorting mechanism (8) is arranged at the first sorting area (14), the second sorting mechanism (9) is arranged at the second buffer area (9) and the second sorting area (15) is arranged at the material collecting area (17) and the material sorting area (17) is arranged at the material sorting area (17), the output end of the third conveying line (3) is communicated with the converging area (18), the first carrier positioning mechanism (4) and the carrier pushing mechanism (5) are arranged in the material waiting area (19), and the first carrier positioning mechanism (4) and the carrier pushing mechanism (5) are arranged in an overlapped mode.

2. A sorting and carrier return conveyor according to claim 1, characterized in that: the discharge end of the second buffer area (17) is provided with a second stop mechanism (20).

3. A sorting and carrier return conveyor according to claim 1, characterized in that: the conveying direction of the third conveying line (3) is divided into a third buffer area (21) and a fourth buffer area (22), the fourth buffer area (22) is arranged corresponding to the second sorting mechanism (9), and the third buffer area (21) is arranged corresponding to the reflow pushing mechanism (10).

4. A sorting and carrier return conveyor according to claim 3, characterized in that: the discharge end of the third buffer area (21) is provided with a third material blocking mechanism (23), and the discharge end of the fourth buffer area (22) is provided with a fourth material blocking mechanism (24).

5. A sorting and carrier return conveyor according to claim 1, characterized in that: the quantitative distributing mechanism (7) comprises at least two quantitative blocking modules (25) which are arranged along the conveying direction of the first conveying line (1).

6. A sorting and carrier return conveyor according to claim 1, characterized in that: the first carrier positioning mechanism (4) comprises a plurality of baffle plates (26) arranged between the first conveying line (1) and the second conveying line (2) in a lifting manner, a plurality of lifting drivers respectively connected with the baffle plates (26) in a driving manner, a positioning plate (28) arranged above the second conveying line (2) in a moving manner, and a moving driver (29) connected with the positioning plate (28) in a driving manner, wherein the moving driver (29) is used for driving the positioning plate (28) to move close to or far away from the baffle plates (26), the positioning plate (28) is provided with a plurality of positioning grooves (30), the positioning grooves (30) are respectively arranged in a one-to-one correspondence manner with the baffle plates (26), and the lifting drivers are used for driving the corresponding baffle plates (26) to lift; the pushing carrier mechanism (5) comprises a plurality of pushing modules (31) which are arranged in parallel, and the pushing modules (31) are respectively arranged in one-to-one correspondence with the baffle plates (26).

7. A sorting and carrier return conveyor according to claim 1, characterized in that: the receiving area (11) is provided with a carrier positioning mechanism II (32).

8. A sorting and carrier return conveyor according to claim 6 or 7, characterized in that: the first carrier positioning mechanism (4) further comprises a plurality of inductors (33) arranged on the positioning plate (28), and the plurality of inductors (33) are respectively arranged in one-to-one correspondence with the plurality of positioning grooves (30).

9. A sorting and carrier return conveyor according to claim 6, wherein: the first sorting mechanism (8) or/and the second sorting mechanism (9) comprises a sorting positioning module (34), a sorting pushing module (35) and a sorting blocking module (39), wherein the sorting positioning module (34) and the sorting pushing module (35) are arranged in a superposition mode, the sorting blocking module (39) is located at the discharge end of the sorting positioning module (34), the structure of the sorting positioning module (34) is identical to that of the first carrier positioning mechanism (4), and the structure of the sorting pushing module (35) is identical to that of the carrier pushing mechanism (5).

10. A sorting and carrier return conveyor according to claim 1, characterized in that: the backflow pushing mechanism (10) comprises a backflow pushing module (36) and a fifth material blocking mechanism (37) which are respectively arranged at the discharge end of the first conveying line (1), and the backflow pushing module (36) is arranged corresponding to the buffer area III (21).