Sorting type logistics conveying line equipment

Abstract

The sorting type logistics conveying line equipment comprises a feeding conveying machine, a tailing collecting frame is arranged on the rear side of the feeding conveying machine, a plurality of sorting assemblies are arranged between the feeding conveying machine and the tailing collecting frame, and the upper end faces of the sorting assemblies are flush with the upper end faces of the feeding conveying machine and the tailing collecting frame. The multiple sorting assemblies are each composed of a supporting structure, a front-back conveying mechanism, a left-right conveying mechanism, a weight sorting mechanism and a weight adjusting mechanism, modular sorting design is adopted, the multiple sorting assemblies are sequentially arranged from large to small according to the weight threshold value, a stepped sorting structure is formed, after logistics pieces enter from the feeding end, the logistics pieces are conveyed to the sorting assemblies, and then the logistics pieces are conveyed to the sorting assemblies. According to the sorting device, the sorting threshold value is selected, detection is started from the heaviest sorting threshold value, goods in different weight intervals are conveyed backwards step by step and screened out, and finally light logistics pieces which are not sorted enter the tailing collecting frame, so that efficient and ordered weight grading is achieved, the problem that traditional sorting equipment needs to be adjusted repeatedly or sorted for multiple times is solved, and the sorting efficiency and accuracy are remarkably improved.

Description

Technical Field

[0001] The present invention belongs to the technical field related to logistics sorting, and particularly relates to a sorting type logistics conveyor line equipment. Background Art

[0002] In the field of modern logistics sorting, with the rapid development of e-commerce and intelligent manufacturing, traditional sorting technologies are difficult to meet the increasing efficiency requirements and diverse sorting needs.

[0003] Currently, the common sorting equipment on the market mainly has the following technical bottlenecks: First, the sorting system based on a fixed weighing threshold lacks flexibility and cannot adapt to the dynamic sorting needs of goods with different weight specifications; second, the electronic sensor type sorting device is vulnerable to environmental interference and has high maintenance costs; third, most of the existing sorting systems adopt a single sorting channel or a complex process that requires multiple sortings, which not only reduces the sorting efficiency but also increases the equipment energy consumption.

[0004] In addition, the modularity of traditional sorting equipment is generally low, and it is difficult to flexibly expand or adjust the sorting levels according to actual business needs, which is particularly inconvenient when facing seasonal fluctuations or business expansions. It is particularly worth noting that most current sorting systems cannot achieve continuous automatic operation of weight grading and often require manual intervention or additional transfer links, seriously restricting the automation level of logistics sorting.

[0005] In view of these problems, the present invention proposes a new type of logistics sorting technology, which should have characteristics such as high-precision weight identification, adjustable sorting threshold, modular expansion, etc., to meet the urgent needs of the modern logistics industry for an efficient, intelligent, and flexible sorting system. Summary of the Invention

[0006] The purpose of the present invention is to provide a sorting type logistics conveyor line equipment to solve the problem that traditional logistics sorting equipment cannot adapt to the dynamic sorting needs of goods with different weight specifications as mentioned in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solution: A sorting type logistics conveyor line equipment includes a loading conveyor. A tail material collection rack is arranged behind the loading conveyor. A plurality of sorting components are arranged between the loading conveyor and the tail material collection rack, and the upper end surfaces of the sorting components are flush with the upper end surfaces of the loading conveyor and the tail material collection rack. Each of the plurality of sorting components is composed of a support structure, a front and rear conveying mechanism, a left and right conveying mechanism, a weight sorting mechanism, and a weight adjustment mechanism.

[0008] Preferably, the support mechanism includes a support frame and support legs. The support frame is arranged in a certain direction, and support legs are fixedly connected to the four corners at the lower end of the support frame.

[0009] Preferably, the front and rear conveying mechanism includes a movable limiting frame, a front and rear transmission motor, a front and rear transmission shaft, and a front and rear transmission belt. A movable limiting frame is provided on the upper side of the support frame. Front and rear transmission motors are provided at the four corners of the movable limiting frame. A front and rear transmission shaft is connected between the two front and rear transmission motors on the front side and between the two front and rear transmission motors on the rear side, and both front and rear transmission shafts are rotatably connected to the movable limiting frame.

[0010] Preferably, a plurality of transmission belt limiting grooves are provided on the outer cylindrical walls of the two front and rear transmission shafts, and the plurality of transmission belt limiting grooves on the front and rear sides correspond to each other one by one and are symmetrically arranged in the front and rear directions. A front and rear transmission belt is provided between each pair of corresponding transmission belt limiting grooves, and the plurality of front and rear transmission belts are sleeved outside the two front and rear transmission shafts through the plurality of transmission belt limiting grooves.

[0011] Preferably, the left and right conveying mechanism includes a connecting plate, a shunt collecting plate, a fixed limiting frame, a left and right transmission shaft, a left and right transmission motor, a transmission disc, and a transmission belt. A connecting plate is fixedly connected to the left side of the upper end of the support frame. A shunt collecting plate is fixedly connected to the upper end of the connecting plate. Fixed limiting frames are fixedly connected to the front and rear sides of the right end of the connecting plate, and both fixed limiting frames are located inside the plurality of front and rear transmission belts and between the two front and rear transmission shafts. A plurality of left and right transmission shafts are rotatably connected between the two fixed limiting frames.

[0012] Preferably, the plurality of left and right transmission shafts are respectively located inside the gaps between adjacent two front and rear transmission belts and on the inner sides of the plurality of front and rear transmission belts. A left and right transmission motor is provided on the left side of the plurality of left and right transmission shafts, and the left and right transmission motor is provided on the left side of the rear end of the front fixed limiting frame. Transmission discs are fixedly connected to the front ends of the plurality of left and right transmission shafts and the left and right transmission motor through connecting shafts. Transmission belts are clamped outside the plurality of transmission discs, and the transmission belts are located outside the front end of the front fixed limiting frame.

[0013] Preferably, the weight sorting mechanism includes a weighing slide bar, a slide bar limiting block, a weighing chute, and a weighing spring. Weighing slide bars are fixedly connected to the four corners of the lower end of the movable limiting frame. Slide bar limiting blocks are fixedly connected to the lower ends of the four weighing slide bars. Weighing chutes are provided at the four corners of the upper end of the support frame, and the four weighing slide bars and the four slide bar limiting blocks are respectively slidably connected inside the four weighing chutes. Weighing springs are provided inside the four weighing chutes, and the four weighing springs are respectively located below the four slide bar limiting blocks.

[0014] Preferably, the weight adjustment mechanism includes a supporting hydraulic pot, a weight adjustment hydraulic pipe, a weight adjustment hydraulic pot, a weight adjustment support plate, an adjustment hydraulic piston, and a weight adjustment screw. The lower ends of the four weighing chutes are all connected to the supporting hydraulic pot, and the four supporting hydraulic pots are respectively fixedly connected to the four corners at the lower end of the support frame. The lower ends of the four supporting hydraulic pots are communicated with a weight adjustment hydraulic pipe. The right side of the upper end of the weight adjustment hydraulic pipe is communicated with a weight adjustment hydraulic pot, and hydraulic oil is provided inside the supporting hydraulic pot, the weight adjustment hydraulic pipe, and the weight adjustment hydraulic pot.

[0015] Preferably, an adjustment support plate is slidably connected inside the supporting hydraulic pot. A rubber sealing ring is provided between the adjustment support plate and the supporting hydraulic pot. The adjustment support plate is located at the lower end of the weighing spring and on the lower side of the weighing chute. An adjustment hydraulic piston is slidably connected inside the weight adjustment hydraulic pot.

[0016] Preferably, a sealing ring is provided between the adjustment hydraulic piston and the weight adjustment hydraulic pot. The hydraulic oil is located at the lower ends of the adjustment support plate and the adjustment hydraulic piston. The center of the upper end of the adjustment hydraulic piston is rotatably connected to a weight adjustment screw. The upper end of the weight adjustment screw extends to the outside of the upper end of the weight adjustment hydraulic pot and is threadedly connected to the weight adjustment hydraulic pot.

[0017] Compared with the prior art, the present invention provides a sorting type logistics conveyor line device, which has the following beneficial effects: 1. The present invention adopts a modular sorting design. Multiple sorting components are arranged in order from large to small according to the weight threshold to form a stepped sorting structure. After the logistics items enter from the feeding end, they are detected starting from the heaviest sorting threshold, gradually transmitted backward, and goods in different weight ranges are screened out. Finally, the light-weight logistics items that are not sorted enter the tail material collection rack, which not only realizes efficient and orderly weight grading, avoids the problems of repeated adjustment or multiple sorting required by traditional sorting equipment, and significantly improves the sorting efficiency and accuracy.

[0018] 2. Each sorting component of the present invention is equipped with front and rear conveyor belts and left and right diversion conveyor shafts. Under normal conditions, the logistics items are conveyed backward by the longitudinal conveyor belt. When the weight exceeds the limit, the conveyor belt sinks, and the logistics items contact the transverse conveyor shaft and are diverted laterally, thus realizing automatic path switching without manual intervention or additional sensors, improving the degree of sorting automation while reducing the mechanical complexity and maintenance cost.

[0019] 3. The sorting components of the present invention adopt a standardized structure, and the number of sorting levels can be flexibly increased or decreased to adapt to different scales of sorting requirements. Each component works independently and operates in coordination, which is convenient for production line adjustment and upgrade. At the same time, it reduces the equipment manufacturing cost and the difficulty of later expansion.

[0020] 4. The sorting component of the present invention adopts a spring compression weighing mechanism. The weight of the logistics piece presses down the weighing spring through the conveyor belt. When the compression amount exceeds the set threshold, the conveyor belt sinks to be flush with the left and right diversion transmission axes, triggering lateral diversion. The mechanical weighing trigger method does not require additional sensors. The structure is simple and reliable, and can respond to the sorting needs of logistics pieces of different weights in real time, ensuring that the sorting action is fast and accurate.

[0021] 5. The weighing threshold of the sorting assembly of the present invention can be uniformly adjusted by the hydraulic weight adjustment mechanism. The rotating weight adjustment screw drives the hydraulic piston, which links multiple weight adjustment support plates supporting the hydraulic pot to rise and fall synchronously, thereby changing the initial preload force of the weighing spring, ensuring that the four corners of the sorting assembly are balanced and avoiding eccentric load errors. At the same time, it allows the operator to flexibly adjust the sorting weight range according to actual needs to adapt to different logistics scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the sorting type logistics conveyor line equipment of the present invention.

[0023] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the sorting component of the present invention.

[0024] Figure 3 It is a schematic diagram of the connection structure of the left and right transmission shafts of the present invention.

[0025] Figure 4 For the present invention Figure 3 Enlarged schematic diagram at point A in the middle.

[0026] Figure 5 It is a schematic diagram of the front and rear conveyor belt connection structure of the present invention.

[0027] Figure 6 It is a schematic diagram of the top view of the structure of the sorting component of the present invention.

[0028] Figure 7 For the present invention Figure 2 Enlarged schematic diagram of point B in the middle.

[0029] Figure 8 For the present invention Figure 2 Enlarged schematic diagram at point C in the middle.

[0030] In the figure: 1. Loading conveyor; 2. Scrap collecting rack; 3. Support frame; 4. Support leg; 5. Connecting plate; 6. Shunt collecting plate; 7. Fixed limit frame; 8. Left and right transmission shafts; 9. Left and right transmission motors; 10. Driving disc; 11. Driving belt; 12. Movable limit frame; 13. Front and rear transmission motors; 14. Front and rear transmission shafts; 15. Transmission belt limit groove; 16. Front and rear transmission belts; 17. Weighing slide bar; 18. Slide bar limit block; 19. Weighing chute; 20. Support hydraulic pot; 21. Weight adjustment hydraulic pipe; 22. Weight adjustment hydraulic pot; 23. Weight adjustment support plate; 24. Weighing spring; 25. Adjustment hydraulic piston; 26. Weight adjustment screw. Detailed implementation manner

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] The present invention provides a sorting type logistics conveyor equipment as Figures 1 - 8 shown, including a loading conveyor 1. A scrap collecting rack 2 is arranged at the rear side of the loading conveyor 1. A plurality of sorting components are arranged between the loading conveyor 1 and the scrap collecting rack 2, and the upper end surfaces of the sorting components are flush with the upper end surfaces of the loading conveyor 1 and the scrap collecting rack 2. During the logistics sorting process, the sorting items are placed on the upper end of the loading conveyor 1. The loading conveyor 1 drives the logistics items backward and successively shunts them through a plurality of sorting components. The plurality of sorting components will shunt out the logistics items of different weights according to the weight of the logistics items, and the weights of the shunted out logistics items decrease successively from front to back, that is, the logistics item shunted out at the front is the heaviest, and the logistics item shunted out later is lighter. Finally, the logistics items that are not shunted out are conveyed to the upper end of the scrap collecting rack 2 for collection.

[0033] Among them, the plurality of sorting components are all composed of a support structure, a front and rear transmission mechanism, a left and right transmission mechanism, a weight sorting mechanism and a weight adjustment mechanism. The support mechanism includes a support frame 3 and support legs 4. The support frame 3 is arranged in a certain direction, and support legs 4 are fixedly connected to the four corners at the lower end of the support frame 3. The sorting components are supported at the bottom through the support components, and the logistics items are weighed and shunted through the weight sorting mechanism. When the weight of the logistics item is less than the weighing range of the weight sorting mechanism, the logistics item is driven backward by the front and rear transmission mechanism to the next sorting component. When the weight of the logistics item is greater than the weighing range of the weight sorting mechanism, the front and rear transmission mechanism sinks into the left and right transmission mechanism. At this time, the logistics item is shunted to the left through the left and right transmission mechanism, so as to shunt the logistics items of different weights.

[0034] In addition, the weighing range of the weight sorting mechanism can be adjusted by the weight adjusting mechanism to ensure that the sorting component can sort logistics items within different weight ranges.

[0035] Further, the front-back conveying mechanism includes a movable limiting frame 12, a front-back transmission motor 13, a front-back transmission shaft 14, and a front-back transmission belt 16. A movable limiting frame 12 is provided on the upper side of the support frame 3. Four front-back transmission motors 13 are provided at the four corners of the movable limiting frame 12. A front-back transmission shaft 14 is connected between the two front-back transmission motors 13 on the front side and between the two front-back transmission motors 13 on the rear side. Both of the two front-back transmission shafts 14 are rotatably connected to the movable limiting frame 12. A plurality of transmission belt limiting grooves 15 are provided on the outer walls of the cylinders of the two front-back transmission shafts 14. The plurality of transmission belt limiting grooves 15 on the front and rear sides correspond to each other one by one and are symmetrically arranged in the front-back direction. A front-back transmission belt 16 is provided between each pair of corresponding transmission belt limiting grooves 15. The plurality of front-back transmission belts 16 are sleeved outside between the two front-back transmission shafts 14 through the plurality of transmission belt limiting grooves 15. The weight sorting mechanism includes a weighing slide bar 17, a slide bar limiting block 18, a weighing chute 19, and a weighing spring 24. Weighing slide bars 17 are fixedly connected to the four corners at the lower end of the movable limiting frame 12. Slide bar limiting blocks 18 are fixedly connected to the lower ends of the four weighing slide bars 17. Weighing chutes 19 are provided at the four corners of the upper end of the support frame 3. The four weighing slide bars 17 and the four slide bar limiting blocks 18 are respectively slidably connected inside the four weighing chutes 19. Weighing springs 24 are provided inside the four weighing chutes 19, and the four weighing springs 24 are respectively located below the four slide bar limiting blocks 18. During the process of the logistics item passing through the upper end of the sorting component, the weight sorting mechanism weighs the logistics item through the compressive elastic force of the weighing spring 24. Since the upper end surface of the sorting component is flush with the upper end surfaces of the feeding conveyor 1 and the tailing collection rack 2, and the upper end surface of the sorting component is the upper end surface of the plurality of front-back transmission belts 16, the logistics item will be conveyed to the upper ends of the plurality of front-back transmission belts 16. At this time, the logistics component presses down on the movable limiting frame 12 and the front-back transmission shaft 14 through the plurality of front-back transmission belts 16, and presses down on the weighing slide bar 17 and the slide bar limiting block 18 through the movable limiting frame 12 and the front-back transmission shaft 14, and then presses down on the weighing spring 24 through the weighing slide bar 17 and the slide bar limiting block 18, so that the logistics item compresses the weighing spring 24 through the weight. At the same time, the upper end surfaces of the plurality of front-back transmission belts 16 will sink following the compression of the weighing spring 24, and the sinking length of the upper end surfaces of the plurality of front-back transmission belts 16 is the same as the compression length of the weighing spring 24. When the compression length of the weighing spring 24 by the logistics item is less than the distance between the upper end surfaces of the plurality of front-back transmission belts 16 and the upper end surfaces of the plurality of left-right transmission shafts 8, the sinking position of the upper end surfaces of the plurality of front-back transmission belts 16 is still higher than the upper end surfaces of the plurality of left-right transmission shafts 8, so that the lower end surface of the logistics item will not contact the upper end surfaces of the plurality of left-right transmission shafts 8. Therefore, the logistics item can only be conveyed backward through the plurality of front-back transmission belts 16. The plurality of front-back transmission belts 16 rotate driven by the two front-back transmission shafts 14 at the four corners and drive the logistics item to move backward, thereby conveying the logistics item to the upper end of the next sorting component for re-sorting. The two front-back transmission shafts 14 are driven by the four front-back transmission motors 13 at the four corners.Four front and rear transmission motors 13 are electrically connected to an external power supply through a wire harness.

[0036] Conversely, the left and right conveying mechanism includes a connecting plate 5, a shunt collecting plate 6, a fixed limiting frame 7, left and right transmission shafts 8, left and right transmission motors 9, transmission discs 10 and transmission belts 11. The left side of the upper end of the support frame 3 is fixedly connected with a connecting plate 5. The upper end of the connecting plate 5 is fixedly connected with a shunt collecting plate 6. Both the front and rear sides of the right end of the connecting plate 5 are fixedly connected with fixed limiting frames 7. And both of the two fixed limiting frames 7 are inside multiple front and rear transmission belts 16 and are between two front and rear transmission shafts 14. A plurality of left and right transmission shafts 8 are rotatably connected between the two fixed limiting frames 7. The plurality of left and right transmission shafts 8 are respectively inside the gaps between adjacent two front and rear transmission belts 16 and are inside the plurality of front and rear transmission belts 16. A left and right transmission motor 9 is arranged on the left side of the rear end of the front fixed limiting frame 7. The front ends of the plurality of left and right transmission shafts 8 and the left and right transmission motor 9 are fixedly connected with transmission discs 10 through connecting shafts. Transmission belts 11 are clamped outside the plurality of transmission discs 10. And the transmission belts 11 are outside the front end of the front fixed limiting frame 7. When the compression length of the weighing spring 24 of the logistics part is greater than the distance between the upper end surfaces of the plurality of front and rear transmission belts 16 and the upper end surfaces of the plurality of left and right transmission shafts 8, the upper end surfaces of the plurality of front and rear transmission belts 16 will sink to a position flush with the upper end surfaces of the plurality of left and right transmission shafts 8, allowing the upper end surfaces of the plurality of left and right transmission shafts 8 to pass through the gaps between the plurality of front and rear transmission belts 16 and contact the lower end surface of the logistics part. The logistics part is driven by the plurality of left and right transmission shafts 8 to be transmitted to the left, so as to shunt the logistics part to the upper end of the shunt collecting plate 6 for collection. The plurality of left and right transmission shafts 8 rotate driven by the plurality of transmission discs 10. And the plurality of transmission discs 10 are simultaneously driven to rotate through the transmission belts 11 and are driven by the left and right transmission motor 9. The left and right transmission motor 9 is electrically connected to an external power supply through a wire harness.

[0037] Further, the weight adjustment mechanism includes a supporting hydraulic pot 20, a weight adjustment hydraulic pipe 21, a weight adjustment hydraulic pot 22, a weight adjustment support plate 23, an adjustment hydraulic piston 25, and a weight adjustment screw 26. The lower ends of the four weighing chutes 19 are all connected to the supporting hydraulic pot 20, and the four supporting hydraulic pots 20 are respectively fixedly connected to the four corners at the lower end of the support frame 3. The lower ends of the four supporting hydraulic pots 20 are communicated with the weight adjustment hydraulic pipe 21. The right side of the upper end of the weight adjustment hydraulic pipe 21 is communicated with the weight adjustment hydraulic pot 22. Hydraulic oil is provided inside the supporting hydraulic pot 20, the weight adjustment hydraulic pipe 21, and the weight adjustment hydraulic pot 22. A weight adjustment support plate 23 is slidably connected inside the supporting hydraulic pot 20. A rubber sealing ring is provided between the weight adjustment support plate 23 and the supporting hydraulic pot 20. The weight adjustment support plate 23 is located below the weighing spring 24 and on the lower side of the weighing chute 19. An adjustment hydraulic piston 25 is slidably connected inside the weight adjustment hydraulic pot 22. A sealing ring is provided between the adjustment hydraulic piston 25 and the weight adjustment hydraulic pot 22. The hydraulic oil is located below the weight adjustment support plate 23 and the adjustment hydraulic piston 25. The center of the upper end of the adjustment hydraulic piston 25 is rotatably connected to the weight adjustment screw 26. The upper end of the weight adjustment screw 26 extends to the outside of the upper end of the weight adjustment hydraulic pot 22 and is threadedly connected to the weight adjustment hydraulic pot 22. Since the lower end of the weighing spring 24 is supported by the weight adjustment support plate 23 and the hydraulic oil, and the four supporting hydraulic pots 20 are communicated with each other through the weight adjustment hydraulic pipe 21 and are also communicated with the weight adjustment hydraulic pot 22, the heights of the four weight adjustment support plates 23 always remain the same under the balance of the hydraulic oil. Moreover, the initial elastic forces of the four weighing springs 24 on the four slide bar limit blocks 18 can be adjusted by adjusting the heights of the four weight adjustment support plates 23, thereby adjusting the weighing range of the weight sorting mechanism.

[0038] At this time, a knob is provided at the upper end of the weight adjustment screw 26, and the knob is located outside the upper end of the weight adjustment hydraulic pot 22. By rotating the knob at the upper end of the weight adjustment screw 26, the weight adjustment screw 26 presses down or pulls up the adjustment hydraulic piston 25, so that the adjustment hydraulic piston 25 can squeeze the hydraulic oil inside the weight adjustment hydraulic pot 22 into the four supporting hydraulic pots 20, or suck the hydraulic oil inside the four supporting hydraulic pots 20 into the weight adjustment hydraulic pot 22, enabling the four weight adjustment support plates 23 to slide up or down simultaneously, thereby adjusting the initial elastic forces of the four weighing springs 24, allowing the sorting assembly to perform reasonable weight sorting on the logistics items, and ensuring that the sorting assembly can sort the logistics items within different weight ranges.

[0039] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A sorting type logistics conveyor line equipment, characterized in that: The invention comprises a feeding conveyor (1), a tailing material collecting rack (2) is arranged at the rear side of the feeding conveyor (1), a plurality of sorting components are arranged between the feeding conveyor (1) and the tailing material collecting rack (2), and the upper end surfaces of the sorting components are flush with the upper end surfaces of the feeding conveyor (1) and the tailing material collecting rack (2), and the plurality of sorting components are composed of a supporting structure, a front and rear conveying mechanism, a left and right conveying mechanism, a weight sorting mechanism and a weight adjustment mechanism.

2. A sorting type logistics conveyor line equipment according to claim 1, characterized in that: The support mechanism comprises a support frame (3) and support legs (4); the support frame (3) is arranged in a direction, and the four corners of the lower end of the support frame (3) are fixedly connected to the support legs (4).

3. A sorting type logistics conveyor line equipment according to claim 2, characterized in that: The front-to-rear transmission mechanism comprises a movable limit frame (12), a front-to-rear transmission motor (13), a front-to-rear transmission shaft (14) and a front-to-rear transmission belt (16); the movable limit frame (12) is arranged on the upper side of the support frame (3); the front-to-rear transmission motors (13) are arranged at the four corners of the movable limit frame (12); the front-to-rear transmission shafts (14) are connected between the two front-to-rear transmission motors (13) on the front side and between the two front-to-rear transmission motors (13) on the rear side; and the two front-to-rear transmission shafts (14) are rotatably connected to the movable limit frame (12).

4. A sorting type logistics conveyor line equipment according to claim 3, characterized in that: A plurality of conveyor belt limiting grooves (15) are provided on the cylindrical outer walls of the two front and rear conveyor shafts (14), and the plurality of conveyor belt limiting grooves (15) on the front and rear sides correspond to each other and are arranged symmetrically in the front and rear direction. A front and rear conveyor belt (16) is arranged between the two corresponding conveyor belt limiting grooves (15), and the plurality of front and rear conveyor belts (16) are sleeved on the outside between the two front and rear conveyor shafts (14) through the plurality of conveyor belt limiting grooves (15).

5. The sorting type logistics conveyor line equipment according to claim 4 is characterized in that: The left and right transmission mechanisms comprise a connecting plate (5), a flow-dividing and collecting plate (6), a fixed limiting frame (7), left and right transmission shafts (8), left and right transmission motors (9), a transmission disc (10) and a transmission belt (11); the left upper end of the support frame (3) is fixedly connected to the connecting plate (5); the upper end of the connecting plate (5) is fixedly connected to the flow-dividing and collecting plate (6); the right end of the connecting plate (5) is fixedly connected to the front and rear sides of the fixed limiting frames (7); the two fixed limiting frames (7) are both located inside the plurality of front and rear transmission belts (16) and between the two front and rear transmission shafts (14); and the plurality of left and right transmission shafts (8) are rotatably connected between the two fixed limiting frames (7).

6. The sorting type logistics conveyor line equipment according to claim 5 is characterized in that: The plurality of left and right transmission shafts (8) are respectively located in the gap between two adjacent front and rear transmission belts (16), and are located inside the plurality of front and rear transmission belts (16); left and right transmission motors (9) are arranged on the left side of the plurality of left and right transmission shafts (8), and the left and right transmission motors (9) are arranged on the left side of the rear end of the front fixed limit frame (7); the front ends of the plurality of left and right transmission shafts (8) and the left and right transmission motors (9) are fixedly connected to a transmission disk (10) via a connecting shaft; the outside of the plurality of transmission disks (10) is clamped with a transmission belt (11), and the transmission belt (11) is located outside the front end of the front fixed limit frame (7).

7. The sorting type logistics conveyor line equipment according to claim 6 is characterized in that: The weight sorting mechanism comprises a weighing slide bar (17), a slide bar limit block (18), a weighing chute (19) and a weighing spring (24); the four corners of the lower end of the movable limit frame (12) are fixedly connected with the weighing slide bars (17); the lower ends of the four weighing slide bars (17) are fixedly connected with the slide bar limit blocks (18); the four corners of the upper end of the support frame (3) are provided with weighing chute (19); the four weighing slide bars (17) and the four slide bar limit blocks (18) are respectively slidably connected inside the four weighing chute (19); the four weighing chute (19) are respectively provided with weighing springs (24); and the four weighing springs (24) are respectively located at the lower ends of the four slide bar limit blocks (18).

8. The sorting type logistics conveyor line equipment according to claim 7 is characterized in that: The weight adjustment mechanism comprises a supporting hydraulic pot (20), a weight adjustment hydraulic pipe (21), a weight adjustment hydraulic pot (22), a weight adjustment support plate (23), an adjustment hydraulic piston (25) and a weight adjustment screw (26); the lower ends of the four weighing slideways (19) are connected to the supporting hydraulic pot (20), and the four supporting hydraulic pots (20) are respectively fixedly connected to the four corners of the lower end of the support frame (3); the lower ends of the four supporting hydraulic pots (20) are connected to the weight adjustment hydraulic pipe (21), the upper right side of the weight adjustment hydraulic pipe (21) is connected to the weight adjustment hydraulic pot (22), and hydraulic oil is provided inside the supporting hydraulic pot (20), the weight adjustment hydraulic pipe (21) and the weight adjustment hydraulic pot (22).

9. The sorting type logistics conveyor line equipment according to claim 8 is characterized in that: The supporting hydraulic pot (20) is slidably connected to a weight adjustment support plate (23), a rubber sealing ring is provided between the weight adjustment support plate (23) and the supporting hydraulic pot (20), and the weight adjustment support plate (23) is located at the lower end of the weighing spring (24) and at the lower side of the weighing chute (19), and the weight adjustment hydraulic pot (22) is slidably connected to an adjustment hydraulic piston (25).

10. The sorting type logistics conveyor line equipment according to claim 9, characterized in that: A sealing ring is provided between the adjusting hydraulic piston (25) and the weight-adjusting hydraulic pot (22), and hydraulic oil is located at the weight-adjusting support plate (23) and the lower end of the adjusting hydraulic piston (25). A weight-adjusting screw rod (26) is rotatably connected to the center of the upper end of the adjusting hydraulic piston (25), and the upper end of the weight-adjusting screw rod (26) extends to the outside of the upper end of the weight-adjusting hydraulic pot (22) and is threadedly connected to the weight-adjusting hydraulic pot (22).

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