A delivery switching device and a blasting capsule delivery apparatus

Abstract

The utility model discloses a conveying switching device, include: input component, including first base and input pipeline, and the both ends of input pipeline are equipped with first feed port and first discharge port respectively, output component, including second base, first output pipeline and second output pipeline, and the both ends of first output pipeline are equipped with second feed port and second discharge port respectively, and the second output pipeline is equipped with third feed port and third discharge port, second base is rotatably connected with first base, and second base can rotate between first position and second position relative to first base, and the inner chamber of second output pipeline is not communicated with the inner chamber of input pipeline, when second base is located first position, and second feed port is communicated with first discharge port, when second base is located second position, and second feed port is not communicated with first discharge port. The utility model discloses can shorten the switching downtime of different specifications product. The utility model also provides a kind of bouncy ball conveying equipment.

Description

Technical Field

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

[0002] Cigarette flavor capsules, scientifically known as flavoring capsules, are brittle round beads containing flavoring ingredients embedded in the cigarette filter rod. The flavoring ingredients inside the capsule are mostly liquid. In other words, flavor capsules are embedded in the filter rod of traditional cigarettes. When smoking, the flavor capsule can be manually squeezed to pop the capsule to enhance the flavor of the cigarette.

[0003] Currently, the conveying equipment used in the production of bursting bead filter rods is basically a single-barrel type, which can only convey one type of bursting bead product at a time. However, the production process often requires the use of bursting bead of different sizes. When it is necessary to switch to different sizes of bursting bead, the bursting bead conveying equipment needs to be stopped, and then the bursting bead in the barrel and channel needs to be discharged and recycled. The recycling workload is large, the work efficiency is low, and the bursting bead is prone to crushing during the recycling process, which poses a product quality risk. Utility Model Content

[0004] The purpose of this invention is to solve the technical problems of excessive downtime and low work efficiency when switching between different specifications of bursting beads during filter rod production. This invention provides a conveying and switching device that connects the input channel with different output channels through simple rotation, thereby enabling the conveying of products of different specifications. The conveying and switching device provided by this invention has a simple structure, is easy to use, and can improve work efficiency while avoiding material mixing.

[0005] To solve the above-mentioned technical problems, an embodiment of this utility model discloses a conveying and switching device, comprising:

[0006] The input component includes a first base and an input pipe connected to the first base, with a first inlet and a first outlet at each end of the input pipe;

[0007] The output component includes a second base, a first output pipe and a second output pipe. Both the first output pipe and the second output pipe are connected to the second base. The two ends of the first output pipe are respectively provided with a second inlet and a second outlet. The second output pipe is provided with a third inlet and a third outlet.

[0008] The second base is rotatably connected to the first base. The second base can rotate relative to the first base between a first position and a second position. The inner cavity of the second output pipe is not connected to the inner cavity of the input pipe. When the second base is in the first position, the second inlet is connected to the first outlet. When the second base is in the second position, the second inlet is not connected to the first outlet.

[0009] By adopting the above technical solution, not only is there no need for prolonged downtime, but it also eliminates the need to completely empty the production-grade bursting beads from the bursting bead container before adding test-grade ones. One person can switch between different sizes of bursting beads, reducing workload and improving production efficiency. Furthermore, the device has a simple structure and is easy to use.

[0010] Optionally, it also includes a locking element for locking the second base when the second base is rotated to the first position and / or the second position, so as to restrict the rotation of the second base relative to the first base.

[0011] Optionally, the first base is provided with a through hole extending through the first base in a first direction, and the second base is provided with a first fixing hole and a second fixing hole extending in the first direction, and the locking element is a limit pin.

[0012] When the second base rotates to the first position, the through hole corresponds to the position of the first fixing hole, and the limiting pin can pass through the through hole and the first fixing hole; when the second base rotates to the second position, the through hole corresponds to the position of the second fixing hole, and the limiting pin can pass through the through hole and the second fixing hole.

[0013] By adopting the above technical solution, accidental rotation of the second base during operation is effectively avoided, ensuring that the burst beads will not leak from the conveying switching device during transport, thus improving production stability. Furthermore, its structure is simple, easy to operate, and has low manufacturing costs.

[0014] Optionally, a limiting block is provided at one end of the limiting pin, and the outer surface of the limiting block is provided with a pattern or anti-slip sleeve; when the limiting pin is inserted into the through hole, the limiting block abuts against the first base.

[0015] By employing the above technical solution, the roughness of the outer surface of the limiting block can be increased by setting patterns or anti-slip sleeves, thereby increasing the friction between the outer surface of the limiting block and the operator's fingers. This prevents slippage during gripping and allows the operator to more easily adjust the position of the limiting pin. Furthermore, the limiting pin will not completely penetrate the through hole due to vibration or accidental insertion, preventing it from being stuck and ensuring the reliability of the locking mechanism.

[0016] Optionally, the second base is provided with a third fixing hole extending along the first direction, and the conveying switching device further includes a shaft pin extending along the first direction. The first end of the shaft pin is fixedly connected to the first base, and the second end of the shaft pin is inserted into the third fixing hole. The second base can rotate relative to the first base around the axis of the shaft pin.

[0017] The above technical solution provides a simple and low-cost rotating connection. The second base can rotate around the axis of the shaft pin, which improves the stability and reliability of the output component rotation.

[0018] Optionally, it also includes a hopper, with a fourth feed inlet and a fourth discharge outlet at each end of the hopper. The diameter of the fourth feed inlet is larger than that of the fourth discharge outlet, and the fourth discharge outlet is connected to the third feed inlet.

[0019] By adopting the above technical solution, the hopper effectively realizes the collection and buffering of the popping beads material, avoiding the popping beads from being damaged due to collision with the conveying pipeline caused by excessive flow rate during the addition process.

[0020] Optionally, when the second base is in the first position, the hopper is located below the second output pipe; when the second base is in the second position, the hopper is located above the second output pipe.

[0021] Using the above technical solution, when testing is required, the tester rotates the second base to rotate the hopper above the second output pipe, making it easier for the tester to add test beads into the hopper.

[0022] Optionally, the input pipe, the first output pipe, and the second output pipe all extend along the first direction, the third discharge port is located at one end of the second output pipe, the third inlet is located on the side wall of the second output pipe, and the first output pipe and the second output pipe are spaced apart on the second base along the second direction, which is perpendicular to the first direction.

[0023] By adopting the above technical solution, the flow resistance of the burst beads during the conveying process is reduced, making it less likely to cause blockage and material accumulation.

[0024] Optionally, the first and second output pipes are used to transport products of different specifications.

[0025] This utility model also discloses a popping bead conveying device, including a popping bead material barrel, a conveying switching device according to any of the above embodiments, and a conveying pipe arranged sequentially along the conveying direction of the popping beads. The popping bead material barrel is provided with a discharge port, which is connected to a first inlet. When the second base is located in the first position, the second discharge port is connected to the inlet of the conveying pipe; when the second base is located in the second position, the third discharge port is connected to the inlet of the conveying pipe. Attached Figure Description

[0026] Figure 1 This diagram shows the structure of a conveying switching device provided in an embodiment of the present invention in normal working mode;

[0027] Figure 2 This diagram shows a structural schematic of the conveying switching device provided in an embodiment of the present invention in a test working mode;

[0028] Figure 3 This diagram shows a structural schematic of an input component provided in an embodiment of the present invention.

[0029] Figure 4 This diagram shows a structural schematic of an output component provided in an embodiment of the present invention;

[0030] Figure 5 Show Figure 1 Top view;

[0031] Figure 6 Show Figure 5 Sectional view along axis AA;

[0032] Figure 7 Show Figure 2 Top view;

[0033] Figure 8 Show Figure 7 BB-direction sectional view.

[0034] Figure label:

[0035] 1. Input component, 11. First base, 12. Input pipe, 121. First feed inlet, 122. First discharge outlet, 2. Output component, 21. Second base, 22. First output pipe, 221. Second feed inlet, 222. Second discharge outlet, 23. Second output pipe, 231. Third feed inlet, 232. Third discharge outlet, 31. Through hole, 32. First fixing hole, 33. Second fixing hole, 34. Limit pin, 35. Limit block, 41. Third fixing hole, 42. Shaft pin, 51. Hopper, 511. Fourth feed inlet, 512. Fourth discharge outlet. Detailed Implementation

[0036] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model will be presented in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment. On the contrary, the purpose of describing the utility model in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of this utility model. To provide a deep understanding of this utility model, many specific details will be included in the following description. This utility model may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this utility model, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0037] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0039] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0040] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0041] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0042] In existing technology, the popping bead conveying equipment mainly includes a popping bead container, a conveying hose, a popping bead hopper, and a bead-planting tray arranged sequentially along the conveying direction of the popping beads. The conveying hose is made of transparent material, and the popping bead hopper receives and temporarily stores a small number of popping beads conveyed from the popping bead container via the conveying hose. One end of the conveying hose is connected to the outlet of the popping bead container, and the other end is connected to the inlet of the popping bead hopper. A large batch of popping beads used in production is stored in the popping bead container. Then, vibration automatically adds the popping beads to the popping bead hopper. The bead-planting tray then automatically absorbs popping beads from the popping bead hopper to implant them into the filter rods, completing the popping bead addition process.

[0043] When a new type of bursting bead is successfully developed and needs to be added to the filter rod for testing, only 0.5 kg of bursting beads needs to be tested according to the testing requirements. However, the bursting bead storage tanks in mass production contain bursting beads of other specifications, and the bursting beads to be tested cannot be directly added to the storage tanks to avoid mixing. Therefore, the testing personnel disconnect the conveying hose between the original bursting bead storage tank and the bursting bead hopper, drain and recycle all the bursting beads in the storage tank, and then add the bursting beads to be tested to the bursting bead hopper. Afterward, the bead implantation tray automatically absorbs the bursting beads from the bursting bead hopper to implant them into the filter rod, completing the addition and testing of the bursting beads to be tested. However, the current method of adding the bursting beads to be tested involves a large amount of recycling work and has low recycling efficiency. During the recycling process, the bursting beads are prone to compression and breakage, posing a product quality risk.

[0044] To solve the above technical problems, see [link to relevant documentation]. Figure 1 The present invention discloses a conveying switching device for conveying popping beads, wherein the conveying switching device includes an input component 1 and an output component 2.

[0045] See Figure 1 The input component 1 includes a first base 11 and an input pipe 12 connected to the first base 11. The input pipe 12 has a first inlet 121 and a first outlet 122 at its two ends. The output component 2 includes a second base 21, a first output pipe 22, and a second output pipe 23. Both the first output pipe 22 and the second output pipe 23 are connected to the second base 21. The first output pipe 22 has a second inlet 221 and a second outlet 222 at its two ends. The second output pipe 23 has a third inlet 231 and a third outlet 232. The first output pipe 22 and the second output pipe 23 are used to transport products of different specifications. For example, the first output pipe 22 is used to transport production-grade popping beads, and the second output pipe 23 is used to transport testing-grade popping beads.

[0046] The second base 21 is rotatably connected to the first base 11, and the second base 21 can rotate relative to the first base 11 between a first position and a second position. The inner cavity of the second output pipe 23 is not in communication with the inner cavity of the input pipe 12. See also Figure 1 When the second base 21 is in the first position, the conveying switching device is in normal operating mode, and the second inlet 221 is connected to the first outlet 122. (See also...) Figure 2 When the second base 21 is in the second position, the conveying switching device is in test working mode, and the second feed port 221 is not connected to the first discharge port 122.

[0047] The first inlet 121 of the conveying switching device is always connected to the outlet of the bursting bead container, and the inlet of the conveying hose is connected to the second outlet 222 or the third outlet 232 as needed for production. In normal operation mode, the second base 21 is in the first position, and the inlet of the conveying hose is connected to the second outlet 222. At this time, the input pipe 12 is connected to the first output pipe 22, and the bursting beads in the bursting bead container enter the bursting bead hopper in sequence through the input pipe 12, the first output pipe 22, and the conveying hose. The bead-planting tray adds the production bursting beads from the bursting bead hopper to the filter rod.

[0048] When switching to the test mode, the tester stops the machine and rotates the second base 21 to the second position. The input pipe 12 and the first output pipe 22 are no longer connected, and the burst beads in the burst bead container cannot be output to the burst bead hopper through the first output pipe 22, stopping the addition of production burst beads. After rotation, the tester restarts the device to drain the remaining small amount of burst beads from the delivery hose and the burst bead hopper. After the production burst beads are drained, the tester connects the inlet of the delivery hose to the third outlet 232. Since the second base 21 is now in the second position, the tester can add test burst beads to the burst bead hopper through the third inlet 231. The test burst beads are then added to the filter rod via the bead-planting tray for subsequent testing.

[0049] The conveying and switching device provided by this utility model has a simple structure and is easy to use. It eliminates the need for long-term machine downtime and the need to empty all the production-grade bursting beads in the bursting bead hopper before adding test-grade bursting beads. One person can switch between bursting beads of different specifications, reducing workload and improving production efficiency.

[0050] The second base 21 is rotatably connected to the first base 11, but this invention does not specifically limit the rotatable connection method between the second base 21 and the first base 11. It can be rotatably connected via bearings or other methods. In one embodiment of this invention, exemplarily, see [reference needed]. Figure 4 and Figure 6 The second base 21 is provided with a first direction (such as...) Figure 4 The conveying switching device also includes a third fixing hole 41 extending in the X direction (as shown in the figure), and a shaft pin 42 extending in the X direction. The first end of the shaft pin 42 is fixedly connected to the first base 11, and the second end of the shaft pin 42 is inserted into the third fixing hole 41. The second base 21 can rotate relative to the first base 11 around the axis of the shaft pin 42. The second end of the shaft pin 42 is provided with an axial locking structure (not shown in the figure) to prevent the second base 21 from falling off the shaft pin 42. The axial locking structure includes, but is not limited to, a retaining ring, a locking nut, a cotter pin, or a fixing plate. This rotating connection method has a simple structure and low manufacturing cost. The second base 21 can rotate around the axis of the shaft pin 42, which improves the smoothness and reliability of the rotation of the output component 2.

[0051] Furthermore, the conveying switching device also includes a locking element for locking the second base 21 when the second base 21 is rotated to the first position and / or the second position, so as to restrict the rotation of the second base 21 relative to the first base 11.

[0052] Specifically, see Figure 3 and Figure 4 The first base 11 has a through hole 31 extending through the first base 11 in the X direction, and the second base 21 has a first fixing hole 32 and a second fixing hole 33 extending in the X direction. The locking element is a limiting pin 34. When the second base 21 rotates to the first position, the through hole 31 corresponds to the position of the first fixing hole 32, and the limiting pin 34 can be inserted into the through hole 31 and the first fixing hole 32 in sequence to lock the second base 21 in the first position. When the second base 21 rotates to the second position, the through hole 31 corresponds to the position of the second fixing hole 33, and the limiting pin 34 can be inserted into the through hole 31 and the second fixing hole 33 in sequence to lock the second base 21 in the second position. For example, the limiting pin 34 is cylindrical. This invention achieves precise positioning and reliable locking of the second base 21 at a preset position through the cooperation of the limiting pin 34, the through hole 31, and the first fixing hole 32 / second fixing hole 33. This structure effectively prevents the second base 21 from rotating unexpectedly during operation, ensuring that the popping beads will not leak from the conveying switching device during conveying, thus improving production stability. Furthermore, it has a simple structure, is easy to operate, and has low manufacturing cost.

[0053] Specifically, see Figure 2 and Figure 3 One end of the limiting pin 34 is provided with a limiting block 35, and the outer surface of the limiting block 35 is provided with a pattern or an anti-slip sleeve. For example, the limiting block 35 is cylindrical, and the diameter of the limiting block 35 is larger than the inner diameter of the through hole 31. By providing a pattern or anti-slip sleeve, the roughness of the outer circumferential surface of the limiting block 35 can be increased, thereby increasing the friction between the outer circumferential surface of the limiting block 35 and the operator's fingers, preventing slippage during gripping, and allowing the operator to more easily adjust the position of the limiting pin 34. See also... Figure 2 When the limiting pin 34 is inserted into the through hole 31, the limiting block 35 abuts against the first base 11. This ensures that the limiting pin 34 will not completely pass through the through hole 31 due to vibration or accident, and avoids the limiting pin 34 being inserted too deeply and unable to be pulled out, thus ensuring the reliability of the locking.

[0054] Further, see Figure 6The input pipe 12, the first output pipe 22, and the second output pipe 23 all extend along the X direction. The third outlet 232 is located at one end of the second output pipe 23, and the third inlet 231 is located on the side wall of the second output pipe 23. The first output pipe 22 and the second output pipe 23 extend along the second direction (e.g., ...). Figure 6 The Y-direction shown in the diagram is spaced apart on the second base 21, with the second direction perpendicular to the first direction. This design is compact, clearly defines the material flow channel, reduces the flow resistance of the popping beads during the conveying process, and is less prone to blockage and material accumulation.

[0055] Further, see Figure 8 The conveying and switching device also includes a hopper 51, which is cone-shaped. The hopper 51 has a fourth inlet 511 and a fourth outlet 512 at its two ends, respectively. The diameter of the fourth inlet 511 is larger than that of the fourth outlet 512, and the fourth outlet 512 is connected to the third inlet 231. The cone-shaped hopper 51 effectively achieves the collection and buffering of the popping beads material, preventing the popping beads used for testing from colliding with the conveying pipe due to excessive flow rate during the addition process, thus avoiding breakage of the popping beads.

[0056] Specifically, see Figure 5 and Figure 6 When the second base 21 is in the first position, the hopper 51 is located below the second output pipe 23. See also Figure 7 and Figure 8 When the second base 21 is in the second position, the hopper 51 is located above the second output pipe 23. When testing is required, the tester rotates the second base 21 to rotate the hopper 51 above the second output pipe 23, making it easier for the tester to add test beads into the hopper 51.

[0057] In normal operating mode, the first inlet 121 of the conveying switching device is connected to the outlet of the bursting bead container, and the second outlet 222 is connected to the inlet of the conveying hose. The operator rotates the second base 21 to the first position, inserts the limiting pin 34 into the through hole 31 and the first fixing hole 32, and makes the limiting block 35 abut against the first base 11. At this time, the input pipe 12 is connected to the first output pipe 22. The operator starts the equipment, and the production bursting beads in the bursting bead container enter the bursting bead hopper in sequence through the input pipe 12, the first output pipe 22, and the conveying hose. The production bursting beads are added to the filter rod through the bead planting tray for normal production.

[0058] When switching to the test mode, the operator first stops the equipment, stopping the outward conveying of production beads from the bead container. Then, the operator pinches the limiting block 35 with their fingers to pull the limiting pin 34 out of the first fixing hole 32 and the through hole 31, rotates the second base 21 to the second position and aligns the through hole 31 with the second fixing hole 33, then inserts the limiting pin 34 into the through hole 31 and the second fixing hole 33, and abuts the limiting block 35 against the first base 11. At this point, the input pipe 12 and the second output pipe 23 are connected.

[0059] However, since a very small amount of production-grade bursting beads still remain in the conveying hose and bursting bead hopper, the operator needs to restart the equipment to discharge them. After observing that all the bursting beads in the conveying hose and bursting bead hopper have been discharged, the machine is stopped. The operator connects the inlet of the conveying hose to the third outlet 232 of the conveying switching device and adds the test bursting beads into the second output pipe 23 through the hopper 51. The equipment is then started, and the test bursting beads enter the bursting bead hopper and are added to the filter rod under the action of the bead-planting tray to complete the test. After the test is completed, the device needs to be returned to normal operating mode, in the same manner as above, which will not be elaborated further here.

[0060] The conveying switching device provided by this utility model has a simple structure. It sets up two unconnected output pipes and uses rotation to connect the input pipe with different output pipes. The structure is simple and easy to use. It can improve work efficiency and reduce work intensity while avoiding material mixing.

[0061] This utility model also discloses a popping bead conveying device, including a popping bead container, a conveying switching device provided in any of the above embodiments, a conveying hose, a popping bead hopper, and a bead-planting tray arranged sequentially along the conveying direction of the popping beads. The first inlet 121 of the conveying switching device is connected to the outlet of the popping bead container, and the inlet of the conveying hose is connected to either the second outlet 222 or the third outlet 232 as needed for production. When the second base 21 is in the first position, the conveying device is in normal operating mode, and the second outlet 222 is connected to the inlet of the conveying hose. When the second base 21 is in the second position, the conveying device is in test operating mode, and the third outlet 232 is connected to the inlet of the conveying hose.

[0062] Although the present invention has been illustrated and described with reference to certain preferred embodiments, those skilled in the art should understand that the above description is a further detailed explanation of the present invention in conjunction with specific embodiments, and should not be construed as limiting the specific implementation of the present invention to these descriptions. Those skilled in the art can make various changes in form and detail, including some simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A conveying switching device, characterized in that, include: The input component includes a first base and an input pipe connected to the first base, wherein the two ends of the input pipe are respectively provided with a first inlet and a first outlet; The output component includes a second base, a first output pipe and a second output pipe. Both the first output pipe and the second output pipe are connected to the second base. The two ends of the first output pipe are respectively provided with a second inlet and a second outlet. The second output pipe is provided with a third inlet and a third outlet. The second base is rotatably connected to the first base, and the second base can rotate relative to the first base between a first position and a second position. The inner cavity of the second output pipe is not connected to the inner cavity of the input pipe. When the second base is in the first position, the second inlet is connected to the first outlet. When the second base is in the second position, the second inlet is not connected to the first outlet.

2. The conveying switching device as described in claim 1, characterized in that, It also includes a locking element for locking the second base when the second base is rotated to the first position and / or the second position, so as to restrict the rotation of the second base relative to the first base.

3. The conveying switching device as described in claim 2, characterized in that, The first base has a through hole extending through the first base in a first direction, and the second base has a first fixing hole and a second fixing hole extending in the first direction. The locking element is a limiting pin. When the second base rotates to the first position, the through hole corresponds to the position of the first fixing hole, and the limiting pin can pass through the through hole and the first fixing hole; when the second base rotates to the second position, the through hole corresponds to the position of the second fixing hole, and the limiting pin can pass through the through hole and the second fixing hole.

4. The conveying switching device as described in claim 3, characterized in that, One end of the limiting pin is provided with a limiting block, and the outer surface of the limiting block is provided with a pattern or an anti-slip sleeve; when the limiting pin is inserted into the through hole, the limiting block abuts against the first base.

5. The conveying switching device as described in claim 3, characterized in that, The second base is provided with a third fixing hole extending along the first direction. The conveying switching device also includes a shaft pin extending along the first direction. The first end of the shaft pin is fixedly connected to the first base, and the second end of the shaft pin is inserted into the third fixing hole. The second base can rotate relative to the first base around the axis of the shaft pin.

6. The conveying switching device as described in claim 1, characterized in that, It also includes a hopper, with a fourth feed inlet and a fourth discharge outlet at each end of the hopper. The diameter of the fourth feed inlet is larger than that of the fourth discharge outlet, and the fourth discharge outlet is connected to the third feed inlet.

7. The conveying switching device as described in claim 6, characterized in that, When the second base is in the first position, the hopper is located below the second output pipe; when the second base is in the second position, the hopper is located above the second output pipe.

8. The conveying switching device as described in claim 3, characterized in that, The input pipe, the first output pipe, and the second output pipe all extend along the first direction. The third discharge port is located at one end of the second output pipe, and the third inlet is located on the side wall of the second output pipe. The first output pipe and the second output pipe are spaced apart on the second base along the second direction, which is perpendicular to the first direction.

9. The conveying switching device as described in claim 1, characterized in that, The first output pipe and the second output pipe are used to transport products of different specifications.

10. A granulation bead conveying device, characterized in that, The device includes a bursting bead container, a conveying switching device as described in any one of claims 1 to 9, and a conveying pipe arranged sequentially along the conveying direction of the bursting beads. The bursting bead container is provided with a discharge port, which is connected to the first inlet. When the second base is located in the first position, the second discharge port is connected to the inlet of the conveying pipe. When the second base is located in the second position, the third discharge port is connected to the inlet of the conveying pipe.

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