Packaging box conveying track line efficient and accurate in positioning

Abstract

The utility model discloses an efficient and accurate-positioning packaging box conveying track line, belongs to the technical field of packaging box conveying devices, and solves the problems of high labor intensity, low production efficiency and potential safety hazards in the prior art. Comprising a rack, a feeding inlet and a discharging outlet are formed in one end of the rack in parallel, and a feeding conveying line and a discharging conveying line are arranged between a working platform at the other end of the rack and the feeding inlet and between the working platform at the other end of the rack and the discharging outlet respectively; a material taking transverse moving conveying mechanism and a finished product transverse moving conveying mechanism are arranged at the ends, close to the working platform, of the feeding conveying line and the discharging conveying line correspondingly, a feeding lifting stopper is arranged on one side of the material taking transverse moving conveying mechanism, and a discharging lifting stopper is arranged on one side of the finished product transverse moving conveying mechanism. And material box uncovering mechanisms are arranged on the two sides of the working platform correspondingly. The automatic material box conveying device is reasonable in design, compact in structure, capable of automatically conveying material boxes to a production area, low in labor intensity, accurate in positioning of material box conveying, convenient to operate, high in production efficiency and high in practicability.

Description

Technical Field

[0001] This utility model belongs to the technical field of packaging box conveying devices, specifically relating to a highly efficient and accurately positioned packaging box conveying track. Background Technology

[0002] In the assembly process of the rear seat frame, the large material bins used are loaded by operators using a manual hydraulic pallet trolley to transfer them to the corresponding production station. Then, operators manually open the bin lids, remove the parts, and begin assembly. After assembly, the assembled products are manually moved away. This traditional method is not only labor-intensive and time-consuming, but also inefficient. Furthermore, the lids of the large material bins often weigh over 10 kg, and the frequent opening and closing of the lids exacerbates operator fatigue and poses safety hazards. Therefore, it is necessary to improve the existing methods and devices for conveying large material bins. Utility Model Content

[0003] This utility model addresses the aforementioned problems by providing a highly efficient and precise packaging box conveyor track that can automatically transport material boxes to the production area, reduce the labor intensity of operators, accurately position the material boxes during transport, facilitate operation, increase production efficiency, and enhance practicality.

[0004] The technical solution adopted by this utility model is as follows: The efficient and precise positioning packaging box conveyor line includes a frame. A feeding inlet and a discharging outlet are arranged side-by-side at one end of the frame. A working platform is arranged at the other end of the frame. A feeding conveyor line is arranged between the working platform and the feeding inlet, and a discharging conveyor line is arranged between the working platform and the discharging outlet. A material picking and traversing conveyor mechanism and a finished product traversing conveyor mechanism are respectively arranged at the ends of the feeding and discharging conveyors near the working platform. The material picking and traversing conveyor mechanisms are located below the ends of the feeding and discharging conveyors, respectively. A lifting mechanism is arranged at the bottom of both the material picking and traversing conveyor mechanisms. A feeding lifting stop is arranged on the side of the material picking and traversing conveyor mechanism near the feeding inlet, and a discharging lifting stop is arranged on the side of the finished product traversing conveyor mechanism near the discharging outlet. A material picking bin opening mechanism and a finished product bin opening mechanism are also respectively arranged on the left and right sides of the working platform.

[0005] Two sets of feeding port conveyor chains are provided at the feeding inlet. Each end of the ring structure of the feeding port conveyor chain has a feeding port chain drive sprocket. A long feeding port chain drive shaft is provided between the driving ends of the two sets of feeding port conveyor chains, and this long shaft is connected to the output end of the feeding port chain drive motor. Material box guide baffles are also provided on the left and right sides of the feeding inlet and on the outer sides of the feeding port conveyor chains. The feeding port chain drive motor and the long shaft drive the feeding port chain to drive the feeding port chain drive sprockets to rotate, thereby driving the two sets of feeding port conveyor chains to rotate continuously. This assists the packaging boxes at the feeding inlet in smoothly entering the preceding feeding conveyor line, and the material box guide baffles on the left and right sides of the feeding inlet guide the packaging boxes.

[0006] The feeding conveyor line is equipped with two sets of feeding conveyor chains. The feeding chain drive sprockets at the drive ends of the two sets of feeding conveyor chains are connected to the output end of the feeding chain drive motor through the feeding chain drive long shaft. Similarly, the unloading conveyor line is equipped with two sets of unloading conveyor chains. The unloading chain drive sprockets at the drive ends of the two sets of unloading conveyor chains are connected to the output end of the unloading chain drive motor through the unloading chain drive long shaft. The feeding line uses a chain drive motor to continuously rotate two sets of feeding line conveyor chains, which transport the material bins filled with raw materials at the feeding inlet to the front of the work platform. Operators then assemble the products. After all the raw materials in the bins have been removed for assembly, the empty bins on one side of the feeding line are transported laterally to the unloading line using the material handling and finished product lateral conveyor mechanisms. Once the empty bins on one side of the feeding line are filled with assembled products, the unloading line uses a chain drive motor to continuously rotate two sets of unloading line conveyor chains, which transport the bins filled with finished products to the unloading outlet. Subsequently, forklifts are used to transport the finished products away and put them into storage.

[0007] Auxiliary pulleys are respectively installed between the two sets of feeding conveyor chains of the feeding conveyor line and between the two sets of unloading conveyor chains of the unloading conveyor line. The auxiliary pulleys are used to assist in the conveying of the material bins filled with raw materials and the material bins filled with finished products on the feeding and unloading conveyor lines.

[0008] The material handling transverse conveying mechanism includes two sets of material handling transverse drive chains. The chain drive sprockets at the drive ends of the two sets of material handling transverse drive chains are connected to the output end of the material handling transverse drive chain motor via a chain drive shaft. A material handling transverse drive chain frame lifting mechanism for raising and lowering the material handling transverse drive chain frame is provided below the material handling transverse drive chain. The material handling transverse drive chain frame lifting mechanism includes a lifting cylinder and a lifting guide rail. Meanwhile, the finished product transverse conveying mechanism includes two sets of finished product transverse drive chains. The chain drive sprockets at the drive ends of the two sets of finished product transverse drive chains are connected to the output end of the finished product transverse drive chain motor via a chain drive shaft. A finished product transverse drive chain frame lifting mechanism for raising and lowering the finished product transverse drive chain is provided below the finished product transverse drive chain. The finished product transverse drive chain frame lifting mechanism includes a lifting cylinder and a lifting guide rail. When an empty material box on one side of the feeding conveyor line needs to be moved laterally to the other side of the unloading conveyor line, the material picking lateral movement chain frame lifting mechanism and the finished product lateral movement chain frame lifting mechanism are used respectively to raise the material picking lateral movement drive chain and the finished product lateral movement drive chain above the feeding conveyor line and the unloading conveyor line. Then, the material picking lateral movement chain drive motor and the finished product lateral movement chain drive motor drive the material picking lateral movement drive chain and the finished product lateral movement drive chain to rotate continuously, thereby transporting the empty material box from the feeding conveyor line side to the unloading conveyor line side. The empty material box on the unloading conveyor line side is used to hold the assembled products.

[0009] The end of the finished product transverse conveying mechanism is provided with a material box transverse movement limiting baffle. During the process of the material picking transverse conveying mechanism and the finished product transverse conveying mechanism working together to transversely transport the empty material box from one side of the loading conveyor line to the other side of the unloading conveyor line, the material box transverse movement limiting baffle is used to mechanically limit the transverse movement position of the empty material box.

[0010] The material hopper opening mechanism and the finished product hopper opening mechanism have the same structure, both including a support platform. A platform support column is provided on the lower side of the support platform, and an opening movable seat is provided on the upper side of the support platform. The opening movable seat is slidably connected to the opening movable rail via a sliding block. An opening lifting platform is provided above the opening movable seat. A lifting platform drive cylinder is provided between the opening lifting platform and the opening movable seat. The opening lifting platform is also movably connected to the opening movable seat below via two sets of lifting platform guide columns. On the side of the opening lifting platform facing the material hopper, two lid lifting forks are provided symmetrically arranged. The lid-opening moving seat is pushed back and forth along the lid-opening moving slide rail. When the lid-opening moving seat and the lid-opening lifting fork on the lid-opening lifting platform move to directly below the lid of the material box, the lifting platform drive cylinder drives the lid-opening lifting platform and the lid-opening lifting fork on it to rise together, thereby lifting the lid on the top of the material box. Then, the lid of the material box on the lid-opening moving seat and the lid-opening lifting fork is pulled back to facilitate subsequent operations such as picking up parts, assembling, and placing finished products.

[0011] The lifting platform for opening the lid is equipped with two sets of reinforcing rope connecting posts for the lifting forks. The two lid lifting forks are connected to the reinforcing rope connecting posts for the lifting forks using reinforcing ropes, thereby preventing the front end of the longer lid lifting forks from sinking.

[0012] The work platform is equipped with a lighting fixture above it for mounting lighting lamps, and an operating guardrail is also installed on the side of the work platform closest to the loading and unloading conveyors. The lighting fixtures on the lighting fixtures provide sufficient illumination for the operators, while the operating guardrail enhances operational safety.

[0013] The beneficial effects of this utility model are as follows: This utility model employs a frame with a feeding inlet and a discharging outlet arranged side-by-side at one end, and a working platform at the other end. A feeding conveyor line is installed between the working platform and the feeding inlet, and a discharging conveyor line is installed between the working platform and the discharging outlet. A material picking and traversing conveyor mechanism and a finished product traversing conveyor mechanism are respectively installed at the ends of the feeding and discharging conveyors near the working platform. Lifting mechanisms are installed at the bottom of both the material picking and traversing conveyors. A feeding lifting stopper is installed on the side of the material picking and traversing conveyor mechanism near the feeding inlet, and a discharging lifting stopper is installed on the side of the finished product traversing conveyor mechanism near the discharging outlet. A material picking bin opening mechanism and a finished product bin opening mechanism are respectively installed on the left and right sides of the working platform. Therefore, its design is reasonable and compact, enabling automatic conveying of bins to the production area, reducing the labor intensity of operators, ensuring accurate bin positioning, convenient operation, high production efficiency, and strong practicality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 yes Figure 1 A-direction view.

[0016] Figure 3 yes Figure 2 A partial structural diagram of the material inlet and outlet.

[0017] Figure 4 yes Figure 1 A partial structural diagram of the material handling transverse conveyor mechanism and the finished product transverse conveyor mechanism.

[0018] Figure 5 yes Figure 1 A schematic diagram of the structure of the finished product bin opening mechanism (material retrieval bin opening mechanism).

[0019] Explanation of the numbers in the diagram: 1. Frame; 2. Feeding inlet; 3. Feeding inlet conveyor chain; 4. Feeding conveyor line; 5. Auxiliary pulley; 6. Feeding lifting stopper; 7. Unloading lateral conveyor mechanism; 8. Unloading bin opening mechanism; 9. Work platform; 10. Operating guardrail; 11. Lighting fixture; 12. Finished product lateral conveyor mechanism; 13. Finished product bin opening mechanism; 14. Unloading lifting stopper; 15. Unloading conveyor line; 16. Unloading outlet; 17. Feeding inlet chain drive motor; 18. Feeding inlet chain drive long shaft; 19. Feeding inlet chain drive sprocket; 20. Unloading line conveyor chain; 21. Unloading line chain drive motor; 22. Unloading line chain drive long shaft; 23. 24 Material box guide baffle, 25 Feeding line conveyor chain, 26 Feeding line chain drive motor, 27 Material picking lateral movement drive chain, 28 Material picking lateral movement chain drive motor, 29 Material picking lateral movement chain frame lifting mechanism, 30 Finished product lateral movement drive chain, 31 Finished product lateral movement chain drive motor, 32 Finished product lateral movement chain frame lifting mechanism, 33 Material box lateral movement limit baffle, 34 Bearing platform, 35 Platform support column, 36 Opening cover moving seat, 37 Opening cover moving slide rail, 38 Opening cover lifting platform, 39 Box cover lifting fork, 40 Lifting platform drive cylinder, 41 Lifting platform guide column, 42 Lifting fork reinforcement rope connection column. Detailed Implementation

[0020] according to Figures 1-5 The specific structure of this utility model is described in detail below. This highly efficient and precisely positioned packaging box conveyor line includes a frame 1, with a feeding inlet 2 and a discharging outlet 16 arranged side-by-side at one end of the frame 1. Two sets of parallel feeding port conveyor chains 3 are arranged at the feeding inlet 2. Feeding port chain drive sprockets 19 are respectively provided at both ends of the annular structure of the feeding port conveyor chains 3. A feeding port chain drive long shaft 18 is provided between the feeding port chain drive sprockets 19 at the driving end of the two sets of feeding port conveyor chains 3. One end of the feeding port chain drive long shaft 18 is connected to the output end of a feeding port chain drive motor 17 provided on the frame 1. Material box guide baffles 24 are also provided on the left and right sides of the feeding inlet 2 and on the outer side of the feeding port conveyor chains 3. Furthermore, the feeding port chain drive motor 17 and the feeding port chain transmission long shaft 18 are used to drive the feeding port chain transmission sprocket 19 to rotate, thereby driving the two sets of feeding port conveyor chains 3 to rotate continuously, thus assisting the packaging boxes at the feeding inlet 2 to smoothly enter the feeding conveyor line 4 in front, and the packaging boxes are guided by the box guide baffles 24 set on the left and right sides of the feeding inlet 2.

[0021] At the other end of the frame 1, a work platform 9 is provided for operators to stand and work. A horizontally arranged feeding conveyor line 4 is provided between the work platform 9 and the feeding inlet 2, and a horizontally arranged unloading conveyor line 15 is provided between the work platform 9 and the unloading outlet 16. A lighting fixture 11 for installing lighting is also provided above the work platform 9, and an operating guardrail 10 is provided on the side of the work platform 9 closest to the feeding conveyor line 4 and the unloading conveyor line 15; so as to provide sufficient lighting for operators through the lighting fixture 11, and to improve the safety of operation by using the operating guardrail 10.

[0022] The feeding conveyor line 4 is equipped with two sets of feeding conveyor chains 25. The feeding chain drive sprockets at the drive ends of the two sets of annular feeding conveyor chains 25 are connected to the output end of the feeding chain drive motor 26 via the feeding chain drive long shaft. Simultaneously, the unloading conveyor line 15 is equipped with two sets of unloading conveyor chains 20. The unloading chain drive sprockets 23 at the drive ends of the two sets of annular unloading conveyor chains 20 are connected to the output end of the unloading chain drive motor 21 via the unloading chain drive long shaft 22. Thus, the feeding line chain drive motor 26 drives two sets of feeding line conveyor chains 25 to rotate continuously, thereby conveying the material box filled with raw materials at the feeding inlet 2 to the front of the work platform 9. The operator assembles the product. After all the raw materials in the material box are taken out for assembly, the empty material box on one side of the feeding conveyor line 4 is horizontally conveyed to the side of the unloading conveyor line 15 by the material picking transverse conveyor mechanism 7 and the finished product transverse conveyor mechanism 12. After the empty material box on one side of the feeding conveyor line 4 is filled with assembled products, the unloading line chain drive motor 21 drives two sets of unloading line conveyor chains 20 to rotate continuously, so as to convey the material box filled with finished products to the unloading outlet 16. Subsequently, a forklift is used to transport and store the finished products. Furthermore, auxiliary pulleys 5 are respectively installed between the two sets of feeding conveyor chains 25 of the feeding conveyor line 4 and between the two sets of unloading conveyor chains 20 of the unloading conveyor line 15; so as to use the auxiliary pulleys 5 to assist the conveying of the material box filled with raw materials and the material box filled with finished products on the feeding conveyor line 4 and the unloading conveyor line 15.

[0023] A material handling transverse conveyor mechanism 7 is installed at one end of the feeding conveyor line 4 near the working platform 9, and a finished product transverse conveyor mechanism 12 is installed at one end of the unloading conveyor line 15 near the working platform 9. Furthermore, the material handling transverse conveyor mechanism 7 and the finished product transverse conveyor mechanism 12 are located below the ends of the feeding conveyor line 4 and the unloading conveyor line 15, respectively, and both have lifting mechanisms at their lower parts. A feeding lifting stopper 6 is installed on the side of the feeding transverse conveyor mechanism 7 near the feeding inlet 2 to stop the material box behind the feeding conveyor line 4, and a unloading lifting stopper 14 is installed on the side of the finished product transverse conveyor mechanism 12 near the unloading outlet 16 to stop the material box at the end of the unloading conveyor line 15 located on the working platform 9. Meanwhile, at the end of the transmission direction of the finished product transverse conveying mechanism 12, a material box transverse movement limiting baffle 33 is also provided. Thus, during the process of the material picking transverse conveying mechanism 7 and the finished product transverse conveying mechanism 12 working together to transversely transport the empty material box on one side of the feeding conveying line 4 to the unloading conveying line 15, the material box transverse movement limiting baffle 33 is used to mechanically limit the transverse movement position of the empty material box.

[0024] The material handling transverse conveying mechanism 7 includes two sets of annular material handling transverse drive chains 27. The chain drive sprockets at the drive ends of the two sets of material handling transverse drive chains 27 are connected to the output end of the material handling transverse drive motor 28 via a chain drive shaft. Below the material handling transverse drive chains 27, a material handling transverse drive chain frame lifting mechanism 29 for raising and lowering the material handling transverse drive chain frame is provided. The material handling transverse drive chain frame lifting mechanism 29 includes a lifting cylinder and a lifting guide rail. Correspondingly, the finished product transverse conveying mechanism 12 includes two sets of annular finished product transverse drive chains 30. The chain drive sprockets at the drive ends of the two sets of finished product transverse drive chains 30 are connected to the output end of the finished product transverse drive motor 31 via a chain drive shaft. Below the finished product transverse drive chains 30, a finished product transverse drive chain frame lifting mechanism 32 for raising and lowering the finished product transverse drive chain frame is provided. The finished product transverse drive chain frame lifting mechanism 32 also includes a lifting cylinder and a lifting guide rail. Therefore, when an empty material bin (containing all raw materials for assembly) on one side of the loading conveyor line 4 needs to be moved laterally to the unloading conveyor line 15, the material picking lateral movement chain frame lifting mechanism 29 and the finished product lateral movement chain frame lifting mechanism 32 are used to raise the material picking lateral movement drive chain 27 (and the empty material bin on it) and the finished product lateral movement drive chain 30 above the loading conveyor line 4 and the unloading conveyor line 15, respectively. Then, the material picking lateral movement chain drive motor 28 and the finished product lateral movement chain drive motor 31 drive the material picking lateral movement drive chain 27 and the finished product lateral movement drive chain 30 to rotate continuously, thus transporting the empty material bin from the loading conveyor line 4 to the unloading conveyor line 15. The empty material bin on the unloading conveyor line 15 is used to store assembled products.

[0025] On the left and right sides of the working platform 9, there are respectively a material box opening mechanism 8 and a finished product box opening mechanism 13 located outside the ends of the feeding conveyor line 4 and the unloading conveyor line 15. The material box opening mechanism 8 and the finished product box opening mechanism 13 have the same structure, both including a support platform 34. A platform support column 35 is provided on the lower side of the support platform 34, and an opening moving seat 36 is provided on the upper side of the support platform 34. The opening moving seat 36 is slidably connected to the opening moving slide rail 37 through a sliding block. An opening lifting platform 38 is provided above the opening moving seat 36. A lifting platform drive cylinder 40 is provided between the opening lifting platform 38 and the opening moving seat 36. The opening lifting platform 38 is also movably connected to the opening moving seat 36 below through two sets of lifting platform guide columns 41. On the side of the opening lifting platform 38 facing the material box, there are two box cover lifting forks 39 arranged symmetrically on the left and right. In addition, the lifting platform 38 is equipped with two sets of lifting fork reinforcement rope connecting posts 42, so that the two box lid lifting forks 39 are connected to the lifting fork reinforcement rope connecting posts 42 respectively using reinforcement ropes, to prevent the front end of the longer box lid lifting fork 39 from sinking. Thus, by pushing the opening moving seat 36 back and forth along the opening moving slide rail 37, when the opening moving seat 36 and the box lid lifting fork 39 on the opening lifting platform 38 move to directly below the material box lid, the lifting platform drive cylinder 40 drives the opening lifting platform 38 and the box lid lifting fork 39 on it to rise together to lift the lid on the top of the material box; then, the material box lid on the opening moving seat 36 and the box lid lifting fork 39 is pulled back to facilitate subsequent operations of picking up parts, assembling, and placing finished products.

[0026] When using this highly efficient and precise packaging box conveyor line, firstly, an empty box is conveyed via the loading inlet 2, the loading conveyor line 4, the material handling transverse conveyor mechanism 7, and the finished product transverse conveyor mechanism 12 to the assembly finished product placement station at the front of the work platform 9 and the end of the unloading conveyor line 15, so that it can be used to store assembled products in the subsequent assembly process. Then, a box filled with raw materials is placed at the loading inlet 2, and the two sets of loading inlet conveyor chains 3 are continuously rotated by the loading inlet chain drive motor 17, thereby assisting the packaging box at the loading inlet 2 to smoothly enter the loading conveyor line 4 in front, and the packaging box is guided by the box guide baffles 24 on the left and right sides of the loading inlet 2. Subsequently, the feeding line chain drive motor 26 of the feeding conveyor line 4 drives the two sets of feeding line conveyor chains 25 to rotate continuously, thereby conveying the material box filled with raw materials at the feeding inlet 2 to the assembly and unloading station in front of the work platform 9. After the material box filled with raw materials moves into place, the feeding lifting stopper 6 is raised to temporarily position and block the subsequent material boxes filled with raw materials conveyed by the feeding conveyor line 4. Then, the operator uses the unloading material box opening mechanism 8 and the finished product material box opening mechanism 13 to lift the top cover of the material box filled with raw materials on one side of the feeding conveyor line 4 and the top cover of the empty material box on the unloading conveyor line 15, respectively, to facilitate the subsequent unloading, assembly, and placement of finished products.

[0027] After the lid on top of the hopper is lifted and removed, the operator stands on the work platform 9 and takes products from the hopper filled with raw materials on the side of the feeding conveyor line 4 for assembly. Then, the assembled finished products are placed into the empty hopper on the side of the unloading conveyor line 15. When the empty hopper on the side of the feeding conveyor line 4 is filled with assembled finished products, the hopper lid is closed again. The unloading line chain drive motor 21 drives the two sets of unloading line conveyor chains 20 to rotate continuously, thereby gradually conveying the hopper filled with finished products to the unloading outlet 16. Subsequently, a forklift is used to transport them away and put them into storage. Furthermore, after all the raw materials in the bins on one side of the loading conveyor line 4 are removed for assembly, the bins become empty and are covered. At this point (the bins previously filled with finished products have been conveyed forward), the empty bins on one side of the loading conveyor line 4 are laterally conveyed to the assembly finished product placement station on the side of the unloading conveyor line 15 using the material picking lateral conveyor mechanism 7 and the finished product lateral conveyor mechanism 12 to store the assembled products for the next work cycle. Simultaneously, the unloading lifting stopper 14 is raised to temporarily position and block the empty bins on the unloading conveyor line 15 where the assembled finished products are to be placed. Afterward, the loading conveyor line 4 then conveys another bin filled with raw materials forward to the assembly picking station in front of the work platform 9, repeating the above operations of picking, assembling, and placing finished products.

Claims

1. A high-efficiency and precise positioning packaging box conveyor line, comprising a frame (1), characterized in that: One end of the frame (1) is provided with a loading inlet (2) and a unloading outlet (16) arranged side by side. The other end of the frame (1) is provided with a working platform (9). A loading conveyor line (4) is provided between the working platform (9) and the loading inlet (2), and a unloading conveyor line (15) is provided between the working platform (9) and the unloading outlet (16). The loading conveyor line (4) and the unloading conveyor line (15) are respectively provided with a material picking and traversing conveyor mechanism (7) and a finished product traversing conveyor mechanism (12) at the end of the loading conveyor line (4) and the unloading conveyor line (15) near the working platform (9). The conveying mechanism (12) is located below the ends of the feeding conveyor line (4) and the unloading conveyor line (15), and the lower part of the picking transverse conveyor mechanism (7) and the finished product transverse conveyor mechanism (12) are both equipped with lifting mechanisms. The picking transverse conveyor mechanism (7) is equipped with a feeding lifting blocker (6) on the side near the feeding inlet (2), and the finished product transverse conveyor mechanism (12) is equipped with a unloading lifting blocker (14) on the side near the unloading outlet (16). The left and right sides of the working platform (9) are also equipped with a picking box opening mechanism (8) and a finished product box opening mechanism (13).

2. The efficient and precise positioning packaging box conveyor track according to claim 1, characterized in that: Two sets of feeding port conveyor chains (3) are provided at the feeding inlet (2). Feeding port conveyor chains (3) are provided at both ends of the ring structure of the feeding port conveyor chains (3). Feeding port chain drive sprockets (19) are provided between the feeding port chain drive sprockets (19) at the driving end of the two sets of feeding port conveyor chains (3). Feeding port chain drive long shaft (18) is provided between the feeding port chain drive sprockets (19) at the driving end of the two sets of feeding port conveyor chains (3). Feeding port chain drive long shaft (18) is connected to the output end of the feeding port chain drive motor (17). Material box guide baffles (24) are also provided on the left and right sides of the feeding inlet (2) and on the outside of the feeding port conveyor chains (3).

3. The efficient and precise positioning packaging box conveyor line according to claim 1, characterized in that: The feeding conveyor line (4) is provided with two sets of feeding line conveyor chains (25). The feeding line chain drive sprockets at the driving end of the two sets of feeding line conveyor chains (25) are connected to the output end of the feeding line chain drive motor (26) through the feeding line chain drive long shaft. In addition, the unloading conveyor line (15) is provided with two sets of unloading line conveyor chains (20). The unloading line chain drive sprockets (23) at the driving end of the two sets of unloading line conveyor chains (20) are connected to the output end of the unloading line chain drive motor (21) through the unloading line chain drive long shaft (22).

4. The efficient and precise positioning packaging box conveyor line according to claim 3, characterized in that: Auxiliary pulleys (5) are respectively provided between the two sets of feeding line conveyor chains (25) of the feeding conveyor line (4) and between the two sets of unloading line conveyor chains (20) of the unloading conveyor line (15).

5. The efficient and precise positioning packaging box conveyor line according to claim 1, characterized in that: The material picking and traversing conveying mechanism (7) includes two sets of material picking and traversing drive chains (27). The chain drive sprockets at the drive ends of the two sets of material picking and traversing drive chains (27) are connected to the output end of the material picking and traversing chain drive motor (28) through the chain drive long shaft. Below the material picking and traversing drive chains (27) is a material picking and traversing chain frame lifting mechanism (29) for lifting the material picking and traversing chain frame. The material picking and traversing chain frame lifting mechanism (29) includes a lifting cylinder and a lifting guide rail. The finished product transverse conveying mechanism (12) includes two sets of finished product transverse drive chains (30). The chain drive sprockets at the drive ends of the two sets of finished product transverse drive chains (30) are connected to the output end of the finished product transverse chain drive motor (31) through the chain drive long shaft. A finished product transverse drive chain frame lifting mechanism (32) for lifting the finished product transverse chain frame is provided below the finished product transverse drive chain (30). The finished product transverse chain frame lifting mechanism (32) includes a lifting cylinder and a lifting guide rail.

6. The efficient and precise positioning packaging box conveyor track according to claim 5, characterized in that: The end of the finished product transverse conveying mechanism (12) is provided with a material box transverse movement limiting baffle (33).

7. The efficient and precise positioning packaging box conveyor track according to claim 1, characterized in that: The material box opening mechanism (8) and the finished product box opening mechanism (13) have the same structure, both including a support platform (34). A platform support column (35) is provided on the lower side of the support platform (34), and an opening moving seat (36) is provided on the upper side of the support platform (34). The opening moving seat (36) is slidably connected to the opening moving slide rail (37) through a sliding block. An opening lifting platform (38) is provided above the opening moving seat (36). A lifting platform drive cylinder (40) is provided between the opening lifting platform (38) and the opening moving seat (36). The opening lifting platform (38) is also movably connected to the opening moving seat (36) below through two sets of lifting platform guide columns (41). On the opening lifting platform (38), on the side facing the material box, there are two box cover lifting forks (39) arranged symmetrically on the left and right.

8. The efficient and precise positioning packaging box conveyor line according to claim 7, characterized in that: The lifting platform (38) is equipped with two sets of lifting fork reinforcement rope connecting columns (42).

9. The efficient and precise positioning packaging box conveyor line according to claim 1, characterized in that: The work platform (9) is provided with a lighting fixture (11) for installing lighting lamps. The work platform (9) is also provided with an operating guardrail (10) on the side near the feeding conveyor line (4) and the unloading conveyor line (15).

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