Multi-station sorting platform

Abstract

The utility model discloses a multi-station sorting platform which comprises a platform body, a main conveying belt, a shunting conveying belt, a first station, a converging conveying belt and a second station. The main conveying belt is arranged at the top of the platform body; one ends of the two branch conveying belts are in butt joint with the tail end of the main conveying belt, and the other ends of the two branch conveying belts expand outwards to form a first included angle; the first station is arranged at the first included angle; one ends of the two confluence conveying belts are in butt joint with the tail ends of the shunting conveying belts respectively, the other ends of the two confluence conveying belts converge inwards to form a second included angle, and the conveying speed of the shunting conveying belts is smaller than that of the main conveying belt and that of the confluence conveying belts. According to the utility model, the two shunting conveying belts are opened outwards to shunt the main conveying belt and form the first included angle, the first station is arranged at the first included angle, one station covers the two shunting conveying belts, and similarly, the first station and the second station cover the two converging conveying belts, so that the stations are reduced, and the requirements of workers are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of PET sorting and recycling, and particularly relates to a multi-station sorting platform. Background Art

[0002] In rPET, mainly PET plastic bottles are recycled, processed and made into PET plastic particles. In the recycling process, since the waste recycled plastic bottles not only contain PET plastic bottles, but also are doped with plastic bottles of other materials and impurities, therefore, the plastic bottles will be de-labeled, pre-washed and sorted to remove the labels of the plastic bottles, and cleaned to remove impurities, and the cleaned plastic bottles will be sorted to separate metal objects and other non-PET materials. For example, Chinese Patent No. 201310631883.1 discloses a PET flake cleaning process, which is that the PET bottle is unpacked, preliminarily decontaminated by a whole-bottle pre-cleaning device, de-labeled by a de-labeling device, sorted by a sorting device to remove discolored bottles and non-PET material bottles, manually sorted on a manual sorting platform, broken by a crushing device, hot-washed in a hot cooking pot, neutralized in a neutralization tank, rinsed by a rinsing device, dried by centrifugation, dried in a drying cylinder, mixed, weighed and packaged to complete the cleaning.

[0003] For the above-mentioned existing technology, in the manual sorting platform of plastic bottles, generally the plastic bottles are conveyed flatly, and there are multiple stations for manual sorting to pick out metal objects and other non-PET materials. In order to meet the conveying volume and processing volume per unit time, the conveyor belt will be set to be two-person wide, and the unilateral artificial arm length cannot cover the entire width of the conveyor belt, and the conveying speed is fast. Conventionally, multiple stations need to be provided on both sides of the conveyor belt for sorting respectively to ensure that no sorting is missed. Therefore, the existing sorting platform has problems of high labor demand and mismatch between the conveying rate and the manual sorting speed. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the above technical deficiencies, and propose a multi-station sorting platform to solve the technical problems that the existing sorting platform in the existing technology has high labor demand and mismatch between the conveying rate and the manual sorting speed.

[0005] To achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a multi-station sorting platform, including:

[0007] A platform body;

[0008] A main conveyor belt, which is arranged on the top of the platform body;

[0009] Two diverging conveyor belts, one end of each of the two diverging conveyor belts is docked at the tail end of the main conveyor belt, and the other end is outwardly opened to form a first included angle;

[0010] The first station, which is provided at the first included angle;

[0011] The confluence conveyor belts, one ends of two said confluence conveyor belts are respectively butted against the tail end of the diversion conveyor belt, and the other ends thereof converge inward to form a second included angle. Wherein, the conveying speed of the diversion conveyor belt is less than the conveying speeds of the main conveyor belt and the confluence conveyor belts; and

[0012] The second station, which is provided at the second included angle.

[0013] In some embodiments, the diversion conveyor belt includes a first turning conveyor belt, one end of the first turning conveyor belt is flush butted against the tail end of the main conveyor belt, the confluence conveyor belts include a U-shaped turning conveyor belt and a second turning conveyor belt, two ends of the U-shaped turning conveyor belt are flush butted against the tail end of the first turning conveyor belt and the starting end of the second turning conveyor belt. Wherein, the turning angles of the first turning conveyor belt and the second turning conveyor belt are 90 degrees, and the turning angle of the U-shaped turning conveyor belt is 180 degrees.

[0014] In some embodiments, a discharge pipe is provided between the first station and the second station, the discharge pipe is installed on the platform body and penetrates downward through the platform body.

[0015] In some embodiments, the discharge pipe is in a Y shape, including two branch pipes and a main pipe, the two branch pipes are provided at the top of the main pipe and respectively extend to both sides of the first station and the second station.

[0016] In some embodiments, a channel located between the first station and the second station is opened on the platform body, and ladders are provided on the outer side of the platform body and the inner side of the channel.

[0017] In some embodiments, a triangular convex plate is provided between the starting ends of the two diversion conveyor belts, and the triangular convex plate extends to the top of the main conveyor belt for diverting materials onto the two diversion conveyor belts on both sides.

[0018] In some embodiments, a third station is further included, and the third station is provided at the inner arc surface of the first turning conveyor belt.

[0019] In some embodiments, a fourth station is further included, and the fourth station is provided at the inner arc surface of the second turning conveyor belt.

[0020] In some embodiments, a discharge conveyor belt is further included, and the discharge conveyor belt is flush butted against the tail ends of the two second turning conveyor belts.

[0021] In some embodiments, both the diverging conveyor belt and the converging conveyor belt are straight conveyor belts.

[0022] Compared with the prior art, the multi-station sorting platform provided by the present utility model diverges the main conveyor belt through two diverging conveyor belts that open outwards and form a first included angle. A first station is provided at the first included angle to cover two diverging conveyor belts with one station. Similarly, a second station covers two converging conveyor belts, reducing the number of stations and the need for workers. Moreover, the diverging conveyor belt slows down relative to the main conveyor belt. While gathering plastic bottles, it avoids missed selection caused by too fast conveying speed during the first sorting, matches the sorting speed of workers, and improves the sorting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional structure diagram of the multi-station sorting platform provided by an embodiment of the present utility model;

[0024] Figure 2 is a top view structure and schematic diagram of the multi-station sorting platform provided by an embodiment of the present utility model;

[0025] Figure 3 is a top view structure and schematic diagram of the multi-station sorting platform provided by an embodiment of the present utility model;

[0026] Figure 4 is a top view structure and schematic diagram of the multi-station sorting platform with straight conveyor belts provided by another embodiment of the present utility model.

[0027] DESCRIPTION OF THE REFERENCE NUMERALS

[0028] 1. Platform body; 101. Channel; 102. Ladder; 103. Third station; 104. Fourth station; 105. Extension pipe;

[0029] 2. Main conveyor belt;

[0030] 3. Diverging conveyor belt; 31. First turning conveyor belt; 301. First included angle; 302. Triangular convex plate;

[0031] 4. First station;

[0032] 5. Converging conveyor belt; 51. U-shaped turning conveyor belt; 52. Second turning conveyor belt; 501. Second included angle;

[0033] 6. Second station; 7. Discharge pipe; 8. Discharge conveyor belt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0034] In order to make the objectives, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0035] In order to solve the technical problems existing in the existing sorting platform, such as a large demand for labor and the mismatch between the conveying speed and the manual sorting speed, the present utility model provides a multi-station sorting platform, which can streamline the number of workers on the sorting platform and match the manual sorting speed with the conveying speed with little impact on the overall conveying speed, thereby reducing the probability of missed selection.

[0036] It should be noted that the multi-station sorting platform described in the present utility model is used for but not limited to the recycling and sorting of PET plastic bottles, etc. For the convenience of description, in the present utility model, only the application of the multi-station sorting platform to the recycling and sorting of PET plastic bottles is taken as an example for illustration. The principle of the multi-station sorting platform applied to other sorting production lines is essentially the same as that applied to the recycling and sorting of PET plastic bottles, and will not be elaborated here one by one.

[0037] Please refer to Figure 1 and Figure 2 , Figure 1 which is a three-dimensional structure diagram of the multi-station sorting platform in an embodiment of the present utility model, Figure 2 is the top view structure and schematic diagram of the multi-station sorting platform. The multi-station sorting platform includes a platform body 1, a main conveyor belt 2, a diversion conveyor belt 3, a first station 4, a confluence conveyor belt 5 and a second station 6; the main conveyor belt 2 is arranged on the top of the platform body 1 and is used to receive the plastic bottles conveyed from the previous link; one end of the two diversion conveyor belts 3 is butted against the tail end of the main conveyor belt 2, and the other end spreads outwards to form a first angle 301. The first station 4 is arranged at the first angle 301. The first station 4 is located at the middle bisector position of the tail end of the main conveyor belt 2, that is, it can pick up materials at the tail end of the main conveyor belt 2 and can also pick up materials that can be covered by the areas of the diversion conveyor belts 3 on the left and right sides. By changing the conventional distribution method of the stations on both sides of the main conveyor belt 2, at the first station 4, only one station and one worker are needed to cover the sorting of the materials conveyed by the main conveyor belt 2 with a width of two people. Moreover, the conveying speed of the diversion conveyor belt 3 is less than the conveying speed of the main conveyor belt 2. When the plastic bottles move from the main conveyor belt 2 to the diversion conveyor belt 3, they will gather and decelerate, gathering the scattered bottles, which not only facilitates the sorting workers to sort, but also provides sufficient reaction time and sorting time for the single-station sorting workers, and it is not easy to cause missed selection.

[0038] Furthermore, in order to avoid missing selection, one end of the two converging conveyor belts 5 is respectively connected to the tail end of the diverting conveyor belt 3, and the other end thereof converges inward to form a second angle 501. The second station 6 is set at the second angle 501. The second station 6 corresponds to the first station 4. Only one worker is required to operate the subsequent section of leak detection and sorting. The conveying speed of the diverting conveyor belt 3 is lower than the conveying speed of the main conveyor belt 2 and the converging conveyor belt 5. In the diverting conveyor belt 3, the bottles will be gathered due to the speed reduction, and the converging conveyor belt 5 will be re-accelerated, which will disperse the bottles to avoid missing the sundries between the bottles, so that the workers at the second station 6 can identify and sort them. In the entire sorting platform, two stations are used to achieve the sorting and leak detection functions, saving labor, and the station setting is also convenient for the automatic transformation of the robot automatic sorting, and the coverage radius of the robot can just coincide with the coverage radius of the human body.

[0039] In this embodiment, refer to Figure 2 , workstations are arranged in the first angle 301 and the second angle 501, and the conveyor belt areas on both sides can be covered from the forward-facing viewing angle of the worker, that is, both hands can also cover the conveyor belt areas on both sides for sorting; Figure 2 The dotted frame area is the approximate area that can be covered by the arm of the workstation worker when turning 360°, sorting the debris from the diversion conveyor belt 3 and throwing it into the discharge pipe 7 on the side or rear side.

[0040] It can be understood that the second workstation 6 and the first workstation 4 in the accompanying drawings are only schematic positions. The workers will not actually stand in the position closest to the tip of the angle, but will be relatively close to the discharge pipe 7 on the side or rear. In addition, during operation, they will also bend over to extend the sorting range.

[0041] It should be noted that in the recycling of plastic bottles, manual sorting is generally used as a leak detection sorting after the mechanical identification sorting. Therefore, the amount of impurities mixed in will not be too large. However, the utility model is not only used for leak detection sorting after the mechanical identification sorting, but can also be used for direct manual sorting. According to the manual sorting speed, the speed reduction amplitude of the diversion conveyor belt 3 can be adjusted accordingly. In the sorting at the first station 4, a higher sorting quality is achieved, so that in the sorting at the second station 6, there is basically no impurities mixed in, and a faster conveying speed can be matched for manual secondary sorting. In operation, the worker at the second station 6 only needs to glance left and right, and can lock the missing objects that need to be sorted in advance. The second turning conveyor belts 52 on both sides converge in front of the body, and the left and right hands can be used for sorting respectively.

[0042] In one embodiment, see Figure 1 and Figure 2, the shunt conveyor belt 3 includes a first turning conveyor belt 31. One end of the first turning conveyor belt 31 is flush-docked at the tail end of the main conveyor belt 2. The turning angle of the first turning conveyor belt 31 is ninety degrees, that is, the outer arc surface of the first turning conveyor belt 31 is a quarter circle. There is a first included angle 301 between the outer arc surfaces of two first turning conveyor belts 31. The two sides of the included angle are concave arc surfaces. Workers at the workstations are closer to the two first turning conveyor belts 31 on both sides. And the first turning conveyor belt 31 can be flush-docked onto the main conveyor belt 2, making the entire sorting conveyor a flat surface, and the conveying transition is smoother.

[0043] Furthermore, the confluence conveyor belt 5 includes a U-shaped turning conveyor belt 51 and a second turning conveyor belt 52. The two ends of the U-shaped turning conveyor belt 51 are flush-docked at the tail end of the first turning conveyor belt 31 and the starting end of the second turning conveyor belt 52. Among them, the turning angles of the first turning conveyor belt 31 and the second turning conveyor belt 52 are ninety degrees, and the turning angle of the U-shaped turning conveyor belt 51 is one hundred and eighty degrees. Its purpose is also to make the entire sorting conveyor a flat surface, and the conveying transition is smoother.

[0044] It can be understood that baffle plates can also be provided on the first turning conveyor belt 31 and the second turning conveyor belt 52 to push the bottles towards the side close to the outer arc surface, making it easier for workers to sort.

[0045] In one embodiment, please refer to Figure 3 , in order to facilitate the transfer of the sorted sundries, a discharge pipe 7 is provided between the first workstation 4 and the second workstation 6. The discharge pipe 7 is installed on the platform body 1 and penetrates downward through the platform body 1. After sorting, it can be directly thrown into the discharge pipe 7.

[0046] Furthermore, the discharge pipe 7 is in a Y shape, including two branch pipes and a main pipe. The two branch pipes are arranged at the top of the main pipe and extend to both sides of the first workstation 4 and the second workstation 6 respectively, so that the transfer of sundries can be carried out on both sides. Corresponding to the conveyor belts on both sides, when sorting the sundries on one side, just throw them into the discharge pipe 7 on that side conveniently. The operation is faster, and finally they are collected in the main pipe.

[0047] In one embodiment, please refer to Figure 1 and Figure 2 , in order to facilitate climbing onto the platform body 1 and entering the workstation area, a passage 101 is opened on the platform body 1 between the first workstation 4 and the second workstation 6. Ladders 102 are provided on the outside of the platform body 1 and the inside of the passage 101. One can climb onto the platform body 1 and the workstation area through the ladders 102.

[0048] In one embodiment, please refer toFigure 1 and Figure 2 There is a triangular convex plate 302 between the starting ends of the two shunt conveyor belts 3, and the triangular convex plate 302 extends to the top of the main conveyor belt 2 for diverting materials onto the two side shunt conveyor belts 3.

[0049] In one embodiment, when there is a large amount of impurities mixed in, there is also a third station 103, and the third station 103 is arranged at the inner arc surface of the first turning conveyor belt 31, which is convenient for adding a station for auxiliary sorting.

[0050] Furthermore, there is also a fourth station 104, and the fourth station 104 is arranged at the inner arc surface of the second turning conveyor belt 52. There is also an extension pipe 105 beside the third station 103 and the fourth station 104 for throwing the sorted impurities.

[0051] In one embodiment, there is also a discharge conveyor belt 8, and the discharge conveyor belt 8 is flush-docked at the tails of the two second turning conveyor belts 52 to gather the plastic bottles on the two second turning conveyor belts 52 onto one conveyor belt.

[0052] In another embodiment, please refer to Figure 4 , both the shunt conveyor belt 3 and the confluence conveyor belt 5 are straight conveyor belts. The shunt conveyor belt 3 is stacked at the bottom of the main conveyor belt 2, and the confluence conveyor belt is stacked at the bottom of the shunt conveyor belt 3. There is a height difference in the transportation of the bottle bodies, and the transportation is not stable enough, which affects the sorting and judgment of workers. However, it can also achieve the effect of double-station sorting.

[0053] For a better understanding of the present invention, the following is a detailed description of the technical solution of the present invention in conjunction with Figures 1 to 3 : The plastic bottles are transported on the main conveyor belt 2, diverted to the two side first turning conveyor belts 31 through the triangular convex plate 302, and the speed is reduced to make the plastic bottles gather together for a worker at the first station 4 to sort the two first turning conveyor belts 31 simultaneously. The sorted impurities are thrown into the discharge pipe 7; the plastic bottles enter the U-shaped turning conveyor belt 51 and the speed is increased to disperse the plastic bottles, and then enter the second turning conveyor belt 52 for a worker at the second station 6 to sort the two second turning conveyor belts 52 simultaneously. The unsorted impurities missed at the first station 4 are sorted and thrown into the discharge pipe 7. Finally, the plastic bottles are transported to the next link through the discharge conveyor belt 8.

[0054] The above specific embodiments of the present invention do not constitute a limitation to the protection scope of the present invention. Any other corresponding changes and deformations made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A multi-station sorting platform, characterized in that: include: Platform body; A main conveyor belt, which is arranged on the top of the platform body; A diverter conveyor belt, wherein one end of the two diverter conveyor belts is butted against the tail end of the main conveyor belt, and the other end is opened outward to form a first angle; A first workstation, which is located at the first angle; A merging conveyor belt, wherein one end of the two merging conveyor belts is respectively connected to the tail end of the diverging conveyor belt, and the other end thereof converges inwardly to form a second angle, wherein the conveying speed of the diverging conveyor belt is lower than the conveying speed of the main conveyor belt and the merging conveyor belt; and The second workstation is arranged at the second angle.

2. The multi-station sorting platform according to claim 1, characterized in that: The diversion conveyor belt includes a first turning conveyor belt, one end of which is flush with the tail end of the main conveyor belt, and the merging conveyor belt includes a U-shaped turning conveyor belt and a second turning conveyor belt, both ends of the U-shaped turning conveyor belt are flush with the tail end of the first turning conveyor belt and the starting end of the second turning conveyor belt, wherein the turning angles of the first turning conveyor belt and the second turning conveyor belt are ninety degrees, and the turning angle of the U-shaped turning conveyor belt is one hundred and eighty degrees.

3. The multi-station sorting platform according to claim 2, characterized in that: A discharge pipe is provided between the first station and the second station. The discharge pipe is installed on the platform body and passes through the platform body downward.

4. The multi-station sorting platform according to claim 3, characterized in that: The discharge pipe is in a Y-shape, and includes two branch pipes and a main pipe. The two branch pipes are arranged on the top of the main pipe and extend to both sides of the first station and the second station respectively.

5. The multi-station sorting platform according to claim 4, characterized in that: The platform body is provided with a passage between the first workstation and the second workstation, and ladders are arranged on the outer side of the platform body and the inner side of the passage.

6. The multi-station sorting platform according to claim 5, characterized in that: A triangular convex plate is arranged between the starting ends of the two diverter conveyor belts, and the triangular convex plate extends to the top of the main conveyor belt, and is used to divert materials to the diverter conveyor belts on both sides.

7. The multi-station sorting platform according to claim 6, characterized in that: It also includes a third workstation, which is arranged at the inner arc surface of the first turning conveyor belt.

8. The multi-station sorting platform according to claim 7, characterized in that: It also includes a fourth workstation, which is arranged at the inner arc surface of the second turning conveyor belt.

9. The multi-station sorting platform according to claim 8, characterized in that: It also includes a discharging conveyor belt, which is flush with the tail ends of the two second turning conveyor belts.

10. The multi-station sorting platform according to claim 1, characterized in that: The diverter conveyor belt and the merge conveyor belt are both straight conveyor belts.

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