A delivery device

Abstract

This utility model relates to a conveying device, which includes a frame, a conveying assembly, a guiding assembly, and an anti-blocking assembly. The frame is equipped with a conveying platform, and the conveying assembly is located on the conveying platform. The conveying assembly includes a main conveying group with a main conveying inlet and a main conveying outlet. The guiding assembly includes a first guide bar and a second guide bar spaced apart. Both the first and second guide bars are fixed relative to the conveying platform and extend from the side where the main conveying inlet is located to the side where the main conveying outlet is located, with the distance between them gradually decreasing. The part to be conveyed is conveyed between the first and second guide bars. The anti-blocking assembly includes an eccentric wheel, which is rotatably mounted on the frame and located at the main conveying outlet. The eccentric wheel can push the part to be conveyed that is in contact with it to move upstream in the conveying direction of the main conveying outlet, so as to move the misaligned part to be conveyed to the correct position, thereby clearing blockages, improving the conveying efficiency of the conveying device, and thus improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of conveying equipment technology, and in particular to a conveying device. Background Technology

[0002] On a production line, a conveyor system is typically installed between two production processes to transfer products from the upstream to the downstream process. Taking a sterilization unit and a packaging unit as an example, products pass through these two units sequentially. After sterilization, the sterilization unit unloads the products all at once onto the conveyor system's inlet. However, the conveyor system's outlet requires each product to be transferred individually to the packaging unit. Because the number of products transported between the inlet and outlet of the conveyor system at any given time can differ, blockages can easily occur, requiring manual clearing and impacting the conveyor system's efficiency, ultimately reducing overall production efficiency.

[0003] Therefore, there is an urgent need for a conveying device to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a conveying device to at least solve one of the above-mentioned problems.

[0005] To achieve the above objectives, this utility model provides a conveying device, comprising:

[0006] The frame is equipped with a conveyor platform;

[0007] A conveying assembly is provided on the conveying platform. The conveying assembly is used to convey the items to be conveyed. The conveying assembly includes a main conveying group, which is provided with a main conveying inlet and a main conveying outlet.

[0008] The guiding component includes a first guide bar and a second guide bar spaced apart. The first guide bar and the second guide bar are both fixedly arranged relative to the conveying platform. The first guide bar and the second guide bar extend from the side where the main feed inlet is located to the side where the main feed outlet is located, and the distance between them gradually decreases. The item to be conveyed is conveyed between the first guide bar and the second guide bar.

[0009] An anti-blocking component includes an eccentric wheel rotatably mounted on the frame and located at the main feed outlet. The eccentric wheel can push the workpiece to be transported, which is in contact with it, to move upstream of the main conveying group in the conveying direction of the main feed outlet, so as to move the misaligned workpiece to the correct position.

[0010] Furthermore, the anti-blocking component also includes a drive unit, which is disposed on the frame, and the output end of the drive unit is connected to the eccentric wheel.

[0011] Furthermore, the anti-blocking component also includes a first mounting base, which is adjustablely positioned on the frame along the adjustment direction. The driving component is located on the first mounting base, and the adjustment direction is perpendicular to the conveying direction of the main conveying group at the main outlet.

[0012] Furthermore, the anti-blocking component also includes a second mounting base, which is fixedly mounted on the frame, and the first mounting base is adjustablely positioned on the second mounting base along the adjustment direction.

[0013] Furthermore, the anti-blocking component also includes an adjusting member. The first mounting base has a first adjusting elongated hole, and the second mounting base has a second adjusting elongated hole. Both the first adjusting elongated hole and the second adjusting elongated hole extend along the adjusting direction. The adjusting member can be connected to any position of the first adjusting elongated hole and the second adjusting elongated hole.

[0014] Furthermore, the second mounting base includes an adjustment part and a fixing part connected to each other, the fixing part is fixedly mounted on the frame, and the second adjustment elongated hole is formed in the adjustment part.

[0015] Furthermore, the anti-clogging component also includes a fastener, the fixing part having a fastening hole, the fastener passing through the fastening hole and being fastened to the frame.

[0016] Furthermore, the anti-blocking component also includes a control button, which is located on the first mounting base and is electrically connected to the drive component.

[0017] Furthermore, the main conveyor group includes an input belt group, an output belt group, and a transition conveyor belt group. The input belt group corresponds to the main conveyor inlet, and the output belt group corresponds to the main conveyor outlet. The input belt group and the output belt group are connected through the transition conveyor belt group.

[0018] Furthermore, the output belt group includes a first output conveyor belt and at least one second output conveyor belt, and the transition conveyor belt group includes at least one first transition belt. The first output conveyor belt, each of the second output conveyor belts and each of the first transition belts are arranged in parallel and are sequentially moved away from the anti-blocking component along the conveying direction perpendicular to the main conveyor group at the main outlet. The main outlet is located at the end of the first output conveyor belt, and the conveying speeds of the first output conveyor belt, the second output conveyor belt and the first transition belt gradually decrease.

[0019] The beneficial effects of this utility model are as follows:

[0020] The conveying equipment provided by this utility model includes a frame, a conveying assembly, a guiding assembly, and an anti-blocking assembly. The conveying assembly is used to convey the parts to be conveyed. The frame is provided with a conveying platform, and the conveying assembly is located on the conveying platform. The conveying assembly includes a main conveying group, which has a main conveying inlet and a main conveying outlet. The guiding assembly includes a first guide bar and a second guide bar arranged at intervals. The first guide bar and the second guide bar are both fixed relative to the conveying platform. The first guide bar and the second guide bar extend from the side where the main conveying inlet is located to the side where the main conveying outlet is located, and the distance between them gradually decreases. The parts to be conveyed are conveyed between the first guide bar and the second guide bar. The anti-blocking assembly includes an eccentric wheel, which is rotatably mounted on the frame and located at the main conveying outlet. The eccentric wheel can push the parts to be conveyed that are in contact with it to move upstream of the main conveying group in the conveying direction of the main conveying outlet, so as to move the misaligned parts to be conveyed to the correct position. The eccentric rotation of the eccentric wheel acts as a reverse misalignment and pusher for the conveyed parts, causing the misaligned parts that are blocked to be moved to the correct position, thus clearing the blockage. This eliminates the need for manual clearing, improves the conveying efficiency of the conveying equipment, and consequently increases production efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the conveying equipment, unloading equipment, and packaging equipment provided in the embodiments of this utility model;

[0022] Figure 2 Figure 1 A magnified view of a section at point A in the middle;

[0023] Figure 3 This is a schematic diagram of the anti-clogging component provided in this embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the first mounting base provided in this embodiment of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the second mounting base provided in an embodiment of the present utility model.

[0026] In the picture:

[0027] 100. Conveying equipment; 200. Items to be conveyed; 300. Sterilization and unloading equipment; 400. Packaging equipment;

[0028] 1. Frame; 2. Conveying assembly; 3. Guiding assembly; 4. Anti-blocking assembly;

[0029] 11. Conveyor platform; 21. Input belt assembly; 22. Output belt assembly; 23. Transition conveyor belt assembly; 24. Main feed inlet; 25. Main feed outlet; 26. Extension belt; 31. First guide bar; 32. Second guide bar; 41. Eccentric wheel; 42. Drive component; 43. First mounting base; 44. Second mounting base; 45. Control button; 46. Adjusting component; 47. Fastener;

[0030] 211. Input conveyor belt; 221. First output conveyor belt; 222. Second output conveyor belt; 231. First transition belt; 232. Second transition belt; 431. Mounting part; 432. Baffle part; 441. Adjustment part; 442. Fixing part;

[0031] 4311, First adjustment elongated hole; 4312, Drive mounting hole; 4313, Button hole; 4411, Second adjustment elongated hole; 4421, Fastening hole. Detailed Implementation

[0032] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely for explaining this utility model and not for limiting it. Furthermore, it should be noted that, for ease of description, only the parts related to this utility model are shown in the accompanying drawings, not all of them.

[0033] This utility model defines certain directional terms. Unless otherwise stated, the directional terms used, such as "up", "down", "left", "right", "inner", and "outer", are used for ease of understanding and therefore do not constitute a limitation on the scope of protection of this utility model.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0036] like Figures 1-5 As shown, this embodiment provides a conveying device 100, which is disposed between two process devices to transfer the component 200 to be conveyed from the upstream process device to the downstream process device. The component 200 to be conveyed can be an intermediate or final product of the manufactured product, a storage container, or material required for production.

[0037] This embodiment uses a conveying device 100 located between the sterilization unloading device 300 and the packaging device 400, with an infusion bottle as the conveying component 200. The sterilized infusion bottles are unloaded from the sterilization unloading device 300 into the inlet of the conveying device 100 in one go, and then conveyed one by one to the packaging device 400 through the outlet of the conveying device 100. The conveying device 100 provided in this embodiment can solve the problem of bottle blockage during the conveying process of infusion bottles, improve the conveying efficiency of the conveying device 100, and thus improve production efficiency.

[0038] Furthermore, the conveying equipment 100 includes a frame 1, a conveying assembly 2, a guiding assembly 3, and an anti-blocking assembly 4. The conveying assembly 2 is used to convey the item to be conveyed 200. The frame 1 is provided with a conveying platform 11, and the conveying assembly 2 is located on the conveying platform 11. The conveying assembly 2 includes a main conveying group, which has a main conveying inlet 24 and a main conveying outlet 25. The guiding assembly 3 includes a first guide bar 31 and a second guide bar 32 arranged at intervals. The first guide bar 31 and the second guide bar 32 are both fixedly arranged relative to the conveying platform 11. Both the main conveyor inlet 24 and the main conveyor outlet 25 extend from the side where the main conveyor inlet 24 is located to the side where the main conveyor outlet 25 is located, with the distance between them gradually decreasing. After the conveyed part 200 is conveyed to the inlet of the guide assembly 3, the conveyed part 200 is conveyed between the first guide bar 31 and the second guide bar 32. The anti-blocking assembly 4 includes an eccentric wheel 41, which is rotatably mounted on the frame 1 and located at the main conveyor outlet 25. The eccentric wheel 41 can push the conveyed part 200 in contact with it to move upstream of the main conveyor group in the conveying direction of the main conveyor outlet 25, so as to move the misaligned conveyed part 200 to the correct position. The eccentric rotation of the eccentric wheel 41 has a reverse misalignment-moving effect on the conveyed part 200, so that the conveyed part 200 that is misaligned due to blockage is moved to the correct position, thereby clearing the blockage. No manual clearing is required, which improves the conveying efficiency of the conveying equipment 100 and thus improves the production efficiency.

[0039] In this embodiment, the rotation direction of the eccentric wheel 41 is opposite to the conveying direction of the conveying assembly 2, so that the eccentric wheel 41 pushes the part to be conveyed 200 to move upstream of the main conveying group in the conveying direction of the main delivery outlet 25, thereby playing a reverse misalignment and shifting role. For ease of understanding, let's take... Figure 1 As shown in the example, the conveying direction of the main conveyor group at the main outlet 25 is... Figure 1 Above the plane in which it is located, the eccentric wheel 41 rotates clockwise.

[0040] like Figure 1 and Figure 2 As shown, the main conveyor group includes an input belt group 21, an output belt group 22, and a transition conveyor belt group 23. The input belt group 21 corresponds to the main conveyor inlet 24, and the output belt group 22 corresponds to the main conveyor outlet 25. The input belt group 21 and the output belt group 22 are connected through the transition conveyor belt group 23.

[0041] Specifically, the conveyor assembly 2 also includes an extension belt 26. The main conveyor inlet 24 is connected to the sterilization unloading device 300, the main conveyor outlet 25 is connected to the extension belt 26, and the extension belt 26 is connected to the packaging device 400. The items to be conveyed 200 unloaded from the sterilization unloading device 300 in one go sequentially enter the input belt group 21 and the transition conveyor belt group 23, and finally enter the output belt group 22. They then enter the packaging device 400 for packaging via the extension belt 26.

[0042] Furthermore, the input belt group 21 includes at least one input conveyor belt 211, and each input conveyor belt 211 is arranged in parallel on the conveying platform 11. The items to be conveyed 200 that are unloaded at once by the sterilization unloading device 300 enter each input conveyor belt 211 for conveying.

[0043] In this embodiment, the main feed inlet 24 is located at the starting end of each input conveyor belt 211.

[0044] Furthermore, the transition conveyor belt group 23 includes at least one second transition belt 232, each of the second transition belts 232 being arranged parallel to the conveyor platform 11, and the conveying direction of the second transition belt 232 being perpendicular to the conveying direction of the input conveyor belt 211.

[0045] Furthermore, the transition conveyor belt group 23 also includes at least one first transition belt 231, the number of which is the same as the number of second transition belts 232, and they are connected in a one-to-one correspondence. Specifically, the conveying direction of the first transition belt 231 is perpendicular to the conveying direction of the second transition belt 232, and the connection between the first transition belt 231 and the second transition belt 232 is smooth.

[0046] Furthermore, the output belt group 22 includes a first output conveyor belt 221 and at least one second output conveyor belt 222. The first output conveyor belt 221, each of the second output conveyor belts 222, and each of the first transition belts 231 are arranged in parallel and are sequentially moved away from the anti-blocking component 4 along a conveying direction perpendicular to the main conveyor group at the main outlet 25. The main outlet 25 is located at the end of the first output conveyor belt 221. The conveying speeds of the first output conveyor belt 221, the second output conveyor belt 222, and the first transition belt 231 gradually decrease. The difference in conveying speed between the first output conveyor belt 221, the second output conveyor belt 222, and the first transition belt 231 facilitates the final conveying of the item to be conveyed 200 onto the first output conveyor belt 221 and reduces blockage.

[0047] In this embodiment, the direction perpendicular to the conveying direction of the main conveying group at the main outlet 25 is defined as the adjustment direction.

[0048] Specifically, the dimensions of the first output conveyor belt 221 along the adjustment direction are such that a single item to be conveyed 200 can pass through, thus achieving single-row output.

[0049] Ideally, each conveying component 200 is output in a single column, that is, each conveying component 200 is output in a queue. A conveying component 200 that is misaligned due to blockage refers to a conveying component 200 that has left the queue; the correct position of a conveying component 200 refers to a conveying component 200 that has been squeezed back into the queue.

[0050] The eccentric setting and reverse rotation of the eccentric wheel 41 cause the eccentric wheel 41 to push the misaligned conveyor 200 back into the queue.

[0051] Furthermore, the first guide bar 31 extends from the junction of the first transition belt 231 and the second transition belt 232 to the first output conveyor belt 221, and the second guide bar 32 extends from the second transition belt 232 to the first transition belt 231 and the second output conveyor belt 222. The distance between the first guide bar 31 and the second guide bar 32 gradually decreases so that the items to be conveyed 200 are output in a single line from the first output conveyor belt 221. The gradually decreasing distance between the first guide bar 31 and the second guide bar 32 is intended to ensure that the items to be conveyed 200 are output in a queue as much as possible, thereby reducing the degree of congestion. Subsequently, if the items to be conveyed 200 that have left the space between the first guide bar 31 and the second guide bar 32 are not output in a queue, they are guided to the correct position by the anti-blocking component 4.

[0052] In this embodiment, the number of input conveyor belts 211 is ten to twelve, the number of first transition belts 231 and second transition belts 232 is four each, the number of second output conveyor belts 222 is three, and the number of first output conveyor belts 221 is one. That is, the items to be conveyed 200 in a row simultaneously enter the input conveyor belts 211. In the conveying direction perpendicular to the input conveyor belts 211, each input conveyor belt 211 can have one item to be conveyed 200. All items to be conveyed 200 simultaneously enter the second transition belt 232 and subsequently enter the first transition belt 231. Under the guidance of the guide component 3, the items to be conveyed 200 are output in a queue as much as possible so that they can be output in a single column from the first output conveyor belt 221. The difference between the number of input and output items to be conveyed 200 makes it easy for the items to be conveyed 200 to clog at the main delivery outlet 25. Therefore, an anti-clogging component 4 is provided at the main delivery outlet 25. The eccentric rotation of the eccentric wheel 41 reverses and misaligns the conveying component 200, causing it to be misaligned due to blockage and moved to the correct position, thus clearing the blockage. Figures 1-5 As shown, the anti-blocking component 4 also includes a drive component 42, which is mounted on the frame 1 and whose output end is connected to the eccentric wheel 41.

[0053] Specifically, the driving component 42 can be a motor. A planetary reducer can also be provided between the motor and the eccentric wheel 41 to obtain the target speed of the eccentric wheel 41.

[0054] Furthermore, the anti-blocking component 4 also includes a first mounting base 43, which is adjustable in position along the adjustment direction on the frame 1, and a drive unit 42 is mounted on the first mounting base 43. The first mounting base 43 is adjustable in position along the adjustment direction on the frame 1 to adjust the extent to which the eccentric wheel 41 extends into the first output conveyor belt 221, thereby adjusting the distance between the eccentric wheel 41 and the first guide bar 31, so as to adaptably clear the obstruction of conveyed parts 200 of different sizes.

[0055] Furthermore, the anti-blocking component 4 also includes a second mounting base 44, which is fixedly mounted on the frame 1, and the first mounting base 43 is adjustablely positioned on the second mounting base 44 along the adjustment direction.

[0056] Furthermore, the anti-blocking component 4 also includes an adjusting member 46. The first mounting base 43 has a first adjusting elongated hole 4311, and the second mounting base 44 has a second adjusting elongated hole 4411. Both the first adjusting elongated hole 4311 and the second adjusting elongated hole 4411 extend along the adjusting direction. The adjusting member 46 can be connected to any position of the first adjusting elongated hole 4311 and the second adjusting elongated hole 4411. By connecting the adjusting member 46 to different positions of the first adjusting elongated hole 4311 and the second adjusting elongated hole 4411, the first mounting base 43 can be adjusted to be positioned on the second mounting base 44 along the adjusting direction.

[0057] Specifically, the adjusting member 46 may be a bolt and a nut, with the bolt passing through the first adjusting elongated hole 4311 and the second adjusting elongated hole 4411 and connected to the nut.

[0058] Furthermore, the first mounting base 43 includes a mounting part 431 and a baffle part 432 connected to each other. A first adjusting elongated hole 4311 is opened on the mounting part 431. The driving member 42 is mounted on the mounting part 431. The baffle part 432 is arranged opposite to the eccentric wheel 41 and provides a certain degree of protection for the eccentric wheel 41.

[0059] Specifically, the mounting part 431 is provided with a drive mounting hole 4312, and the drive component 42 is mounted on the mounting part 431 through the drive mounting hole 4312.

[0060] Furthermore, the second mounting base 44 includes an adjustment part 441 and a fixing part 442 connected to each other. The fixing part 442 is fixedly mounted on the frame 1, and the second adjustment elongated hole 4411 is opened in the adjustment part 441.

[0061] Furthermore, the anti-blocking component 4 also includes a fastener 47, and the fixing part 442 has a fastening hole 4421. The fastener 47 passes through the fastening hole 4421 and is fastened to the frame 1.

[0062] Furthermore, the anti-blocking component 4 also includes a control button 45, which is located on the first mounting base 43 and electrically connected to the drive component 42 for controlling the rotational speed of the drive component 42. Specifically, the control button 45 is located on the mounting portion 431.

[0063] Furthermore, a button hole 4313 is provided on the mounting part 431, and the control button 45 is located in the button hole 4313.

[0064] Furthermore, there are multiple control buttons 45, and each control button 45 is set to correspond one-to-one with a button hole 4313.

[0065] In this embodiment, there are three control buttons 45. The three control buttons 45 control the start and stop of the drive component 42, the deceleration of the drive component 42, and the acceleration of the drive component 42, respectively, so as to effectively clear the blockage of the conveying component 200.

[0066] Although the present invention has been described in detail above with general descriptions, specific embodiments, and experiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A conveying device, characterized in that, include: The frame (1) is equipped with a conveyor platform (11); A conveying assembly (2) is provided on the conveying platform (11). The conveying assembly (2) is used to convey the item to be conveyed (200). The conveying assembly (2) includes a main conveying group, which is provided with a main conveying inlet (24) and a main conveying outlet (25). The guide assembly (3) includes a first guide bar (31) and a second guide bar (32) spaced apart. The first guide bar (31) and the second guide bar (32) are both fixed relative to the conveying platform (11). The first guide bar (31) and the second guide bar (32) extend from the side where the main feed inlet (24) is located to the side where the main feed outlet (25) is located, and the distance between them gradually decreases. The item to be conveyed (200) is conveyed between the first guide bar (31) and the second guide bar (32). The anti-blocking component (4) includes an eccentric wheel (41) rotatably mounted on the frame (1) and located at the main feed outlet (25). The eccentric wheel (41) can push the piece to be transported (200) in contact with it to move upstream of the main conveying group in the conveying direction of the main feed outlet (25) to move the misaligned piece to be transported (200) to the correct position.

2. The conveying device according to claim 1, characterized in that, The anti-blocking component (4) also includes a drive component (42), which is located on the frame (1), and the output end of the drive component (42) is connected to the eccentric wheel (41).

3. The conveying device according to claim 2, characterized in that, The anti-blocking component (4) further includes a first mounting base (43), which is arbitrarily disposed on the frame (1) along the adjustment direction. The drive component (42) is disposed on the first mounting base (43), and the adjustment direction is perpendicular to the conveying direction of the main conveying group at the main delivery outlet (25).

4. The conveying device according to claim 3, characterized in that, The anti-blocking component (4) further includes a second mounting base (44), which is fixedly mounted on the frame (1), and the first mounting base (43) is adjustablely positioned on the second mounting base (44) along the adjustment direction.

5. The conveying device according to claim 4, characterized in that, The anti-blocking component (4) further includes an adjusting member (46). The first mounting base (43) has a first adjusting elongated hole (4311), and the second mounting base (44) has a second adjusting elongated hole (4411). Both the first adjusting elongated hole (4311) and the second adjusting elongated hole (4411) extend along the adjusting direction. The adjusting member (46) can be connected to any position of the first adjusting elongated hole (4311) and the second adjusting elongated hole (4411).

6. The conveying device according to claim 5, characterized in that, The second mounting base (44) includes an adjustment part (441) and a fixing part (442) connected to each other. The fixing part (442) is fixedly installed on the frame (1), and the second adjustment elongated hole (4411) is opened in the adjustment part (441).

7. The conveying device according to claim 6, characterized in that, The anti-blocking component (4) also includes a fastener (47), the fixing part (442) has a fastening hole (4421), the fastener (47) passes through the fastening hole (4421) and is fastened to the frame (1).

8. The conveying equipment according to claim 3, characterized in that, The anti-blocking component (4) also includes a control button (45), which is located on the first mounting base (43) and is electrically connected to the drive component (42).

9. The conveying device according to claim 1, characterized in that, The main conveyor group includes an input belt group (21), an output belt group (22), and a transition conveyor belt group (23). The input belt group (21) corresponds to the main feed inlet (24), and the output belt group (22) corresponds to the main feed outlet (25). The input belt group (21) and the output belt group (22) are connected through the transition conveyor belt group (23).

10. The conveying device according to claim 9, characterized in that, The output belt group (22) includes a first output conveyor belt (221) and at least one second output conveyor belt (222). The transition conveyor belt group (23) includes at least one first transition belt (231). The first output conveyor belt (221), each of the second output conveyor belts (222) and each of the first transition belts (231) are arranged in parallel and are sequentially moved away from the anti-blocking component (4) along the conveying direction perpendicular to the main conveyor group at the main outlet (25). The main outlet (25) is located at the end of the first output conveyor belt (221). The conveying speeds of the first output conveyor belt (221), the second output conveyor belts (222) and the first transition belts (231) gradually decrease.

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