Pneumatic exchange center

Abstract

The utility model provides a pneumatic exchange center which is characterized in that a receiving platform and a carrying platform are arranged on a support, and the carrying platform is located below the receiving platform; the transfer pipe comprises a carrying pipe and a plurality of receiving pipes, the receiving pipes are arranged on the receiving table at intervals, the carrying pipe is located between the receiving table and the carrying table, and the carrying pipe is movably arranged relative to the receiving table and the carrying table; the multiple channels are arranged on the side, away from the carrying pipe, of the carrying table at intervals, and the receiving pipes correspond to the channels one to one. The communicating plates are located at the bottom of the transfer pipe to block the conveying bottles in the transfer pipe, first openings are formed in the communicating plates, the communicating plates are movably arranged relative to the transfer pipe, and the communicating plates are moved to drive the first openings to move so that the conveying bottles in the receiving pipe can fall into the carrying pipe, and therefore the conveying bottles in the carrying pipe can fall into the channel. According to the pneumatic exchange center, the technical problem of low transmission efficiency of a pipeline transmission mode of a single system in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline transmission equipment, in particular to a pneumatic exchange center. Background Art

[0002] The pneumatic pipeline transmission system is a modern and fast logistics transmission tool, which is widely used in hospitals, banks, office buildings, supermarkets, production workshops, laboratories and other places where a large number of items need to be transported every day. The items to be transported are placed in a special transmission bottle, which ensures that the items are not damaged during the transmission process. The pneumatic pipeline transmission system transmits items from one workstation to another in the pipeline, which can not only effectively ensure the safety of the transmitted items, but also save time and efficiency.

[0003] However, although the existing pneumatic pipeline transmission system has a fast transmission speed, it is limited by the pipeline and can only realize point-to-point transmission between a single sending workstation and a single receiving workstation, and the transmission bottle must be sent to the receiving station before the next transmission can be carried out. The system can only be a single system transmission and cannot cross-transmit items from different systems.

[0004] Therefore, the prior art needs to be further developed. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and provide a pneumatic exchange center to solve the technical problem of low transmission efficiency of the pipeline transmission mode of a single system in the related art.

[0006] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a pneumatic exchange center is provided, including: a bracket, a receiving platform and a carrying platform are arranged on the bracket, and the carrying platform is located below the receiving platform; a transfer tube, the transfer tube includes a carrying tube and a plurality of receiving tubes, the plurality of receiving tubes are arranged on the receiving platform at intervals, the carrying tube is arranged on the carrying platform, the carrying tube is located between the receiving platform and the carrying platform, and the carrying tube is movably arranged relative to the receiving platform and the carrying platform; a plurality of channels, the plurality of channels are arranged at intervals on a side of the carrying platform away from the carrying tube, and each receiving tube is arranged in a one-to-one correspondence with each channel; a plurality of connecting plates, each connecting plate is located at the bottom of the transfer tube to block the transmission bottle in the transfer tube, a first opening is arranged on the connecting plate, the connecting plate is movably arranged relative to the transfer tube, and moving each connecting plate drives the first opening to move so that the transmission bottle in the receiving tube falls into the carrying tube, thereby causing the transmission bottle in the carrying tube to fall into the channel.

[0007] Furthermore, the pneumatic exchange center also includes a switch assembly, which is connected to the connecting plate, and the switch assembly includes: a transfer plate, on which the transfer tube is arranged; a bottom plate, which is spaced apart from the transfer plate, and the connecting plate is located between the transfer plate and the bottom plate, and a second opening is arranged on the bottom plate, and the second opening is arranged corresponding to the first opening; the switch assembly drives the connecting plate to move, so that the connecting plate drives the first opening to move between the transfer plate and the bottom plate, thereby connecting the transfer tube, the first opening and the second opening.

[0008] Furthermore, the switch assembly also includes: a first motor, the first motor is fixed on the transfer plate; a gear set, the output end of the first motor is connected to the gear set; a rack, the gear set passes through the transfer plate and meshes with the rack, the rack is fixed at one end of the connecting plate, drives the gear set to rotate, and the rack drives the connecting plate to move, thereby moving the first opening.

[0009] Furthermore, the pneumatic exchange center also includes a transfer assembly, which is arranged on the carrier platform and connected to the carrier tube through a switch assembly. The transfer assembly includes: a slide rail, which is arranged on the carrier platform; a slider, one end of the slider is connected to the base plate, and the other end of the slider is connected to the slide rail, and the slider is movably arranged relative to the slide rail, thereby driving the carrier tube to move.

[0010] Furthermore, a connecting space is provided on the carrier platform, a plurality of channels are arranged in the connecting space, the slide rail includes a first slide rail and a second slide rail, the first slide rail and the second slide rail are respectively provided at two ends of the connecting space, the slider includes a first slider and a second slider, the first slider and the second slider are respectively provided at two ends of the bottom plate, so that the first slider moves on the first slide rail and the second slider moves on the second slide rail.

[0011] Furthermore, a slide rail protrusion is arranged on the carrying platform, a groove is arranged in the middle of the sliding block, and the slide rail is clamped in the groove.

[0012] Furthermore, the pneumatic exchange center also includes a driving assembly, which is connected to the transfer assembly, and the driving assembly includes: a second motor, which is arranged on a bracket; two pulleys, which are respectively arranged at both ends of the bracket; a belt, which is arranged around the two pulleys, and the two pulleys are both arranged between the transfer plate and the first slide rail, so that the belt is located between the transfer plate and the first slide rail; the transfer assembly also includes a pair of clamps, which are arranged on one end of the bottom plate of the carrier tube close to the first slide rail, and the pair of clamps clamps the belt, and when the second motor drives the pulley to rotate, the belt drives the transfer assembly to move.

[0013] Furthermore, the switch assembly also includes a roller assembly, which is located at one end of the connecting plate away from the rack, and the two ends of the roller assembly are respectively connected to the transfer plate and the base plate, and the rollers on the roller assembly are rotatably arranged relative to the transfer plate and the base plate.

[0014] Furthermore, the roller is sleeved on the fixed rod, one end of the fixed rod is connected to the transfer plate, the other end of the fixed rod is connected to the bottom plate, the roller is located between the transfer plate and the bottom plate, and when the rack drives the connecting plate to move, the roller rotates around the fixed rod.

[0015] Furthermore, a buffer platform is provided on the bracket, and the buffer platform is located above the receiving platform. Each receiving tube on the receiving platform extends to the top of the buffer platform. A plurality of through holes are provided on the tube wall of the receiving tube located on the buffer platform, and each through hole is used to release the gas in the receiving tube.

[0016] Beneficial effects:

[0017] 1. By adopting the pneumatic exchange center of the utility model, the transmission bottle is first buffered on the receiving platform, and then received and transmitted to the corresponding pipeline by the transfer component, so as to realize the cross-use of multi-pipeline transmission systems and improve the transmission efficiency.

[0018] 2. The pneumatic exchange center of the utility model is adopted, and the controller is connected and identified with each motor signal, so that the transmission bottle automatically moves into the corresponding pipeline in the pneumatic exchange center, realizing the automation of the multi-pipeline transmission system.

[0019] 3. The pneumatic exchange center of the utility model is adopted, and a through hole is set on the receiving tube to reduce the air pressure in the tube, reduce the force between the transmission bottle and the connecting plate, and improve the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a pneumatic exchange center adopted in an embodiment of the utility model from one perspective;

[0021] Figure 2 It is a schematic diagram of the structure of the switch assembly of the pneumatic switching center used in the embodiment of the utility model;

[0022] Figure 3 It is an exploded view of the switch assembly of the pneumatic switching center used in the embodiment of the utility model;

[0023] Figure 4 It is a structural schematic diagram of another perspective of the pneumatic exchange center used in the embodiment of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the transfer assembly of the pneumatic exchange center adopted in the embodiment of the utility model;

[0025] Figure 6 yes Figure 5 A partial enlarged view of part A.

[0026] The above drawings include the following reference numerals:

[0027] 1. Bracket; 11. Receiving platform; 12. Carrying platform; 121. Connecting space; 13. Buffer platform; 2. Transfer tube; 21. Carrying tube; 22. Receiving tube; 221. Through hole; 3. Channel; 4. Connecting plate; 41. First opening; 42. Buffer pad; 5. Transmission bottle; 6. Switch assembly; 61. Transfer plate; 62. Bottom plate; 621. Second opening; 63. First motor; 64. Gear set; 65. Rack; 66. Roller assembly; 661. Roller; 662. Fixed rod; 67. Column; 7. Transfer assembly; 71. Slide rail; 711. First slide rail; 712. Second slide rail; 72. Slider; 721. First slide rail; 722. Second slide rail; 723. Groove; 73. Clamp pair; 8. Driving assembly; 81. Second motor; 82. Pulley; 83. Belt; 84. Drag chain. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0029] According to an embodiment of the present utility model, a pneumatic switching center is provided. Figures 1 to 6 , comprising: a support 1, on which a receiving platform 11 and a carrying platform 12 are arranged, and the carrying platform 12 is located below the receiving platform 11; a transfer tube 2, which includes a carrying tube 21 and a plurality of receiving tubes 22, and the plurality of receiving tubes 22 are arranged on the receiving platform 11 at intervals, and the carrying tube 21 is arranged on the carrying platform 12, and the carrying tube 21 is located between the receiving platform 11 and the carrying platform 12, and the carrying tube 21 is movably arranged relative to the receiving platform 11 and the carrying platform 12; a plurality of channels 3, and the plurality of channels 3 are arranged at intervals on the carrying platform 12. On the side of the carrier 12 away from the carrier tube 21, each receiving tube 22 is arranged in a one-to-one correspondence with each channel 3; a plurality of connecting plates 4 are provided, each connecting plate 4 is located at the bottom of the transfer tube 2 to block the transmission bottle 5 in the transfer tube 2, and a first opening 41 is provided on the connecting plate 4. The connecting plate 4 is movably arranged relative to the transfer tube 2, and moving each connecting plate 4 drives the first opening 41 to move, so that the transmission bottle 5 in the receiving tube 22 falls into the carrier tube 21, thereby causing the transmission bottle 5 in the carrier tube 21 to fall into the channel 3.

[0030] See also Figure 1, the controller in the pipeline transmission system controls the airflow generated by the wind source generating device, and the airflow forms a positive pressure in the transmission pipeline, pushing multiple transmission bottles 5 to move forward, and fall into multiple receiving tubes 22 on the receiving platform 11 of the pneumatic exchange center of this embodiment, and are blocked by the connecting plate 4 at the bottom of the receiving tube 22, so that the transmission bottle 5 is cached in the receiving tube 22. Then, the controller controls the carrier tube 21 on the carrier platform 12 to move to the corresponding position, and then transmits a signal to move the connecting plate 4 at the bottom of the receiving tube 22, driving the first opening 41 to move. When the receiving tube 22 and the carrier tube 21 are connected, the transmission bottle 5 in the receiving tube 22 falls into the carrier tube 21. The controller then controls the carrier tube 21 containing the transmission bottle 5 to move to the channel 3 to be transmitted. Similarly, when the bottom of the carrier tube 21 corresponds to a certain channel 3, the controller controls the connecting plate 4 at the bottom of the carrier tube 21 to move, driving the first opening 41 to move so that the bottom of the carrier tube 21 is connected to the channel 3, and the transmission bottle 5 in the carrier tube 21 falls into the channel 3. After completing this operation, the controller controls the carrier tube 21 to move, and then receive the transmission bottles 5 from other receiving tubes 22, and transfer them to the designated channel 3. Repeat this operation until all the transmission bottles 5 in multiple receiving tubes 22 are dispersed into the designated channel 3, thereby realizing multi-system pipeline transmission. In the process of the carrier tube 21 transferring the transmission bottles 5 into the channel 3, the positive pressure transmission pipeline located above can successively transfer the transmission bottles 5 to multiple receiving tubes 22. Compared with the previous point-to-point pipeline transmission system, there is no need to wait for the transmission bottles to be delivered to the receiving station before they can be delivered, which greatly shortens the transmission time of the transmission bottles 5, thereby improving the transmission efficiency. The pneumatic exchange center of this embodiment solves the technical problem of low transmission efficiency of the single-system pipeline transmission method in the related art.

[0031] Specifically, ten receiving tubes 22 and ten channels 3 are arranged on the bracket 1 of the present embodiment, and different kinds of materials can be evacuated and transferred through the pneumatic exchange center. The number of receiving tubes 22 and channels 3 is set according to actual needs.

[0032] See also Figure 2 and Figure 3In the pneumatic exchange center of the present embodiment, the pneumatic exchange center also includes a switch assembly 6, which is connected to the connecting plate 4. The switch assembly 6 includes: a transfer plate 61, on which the transfer tube 2 is arranged; a bottom plate 62, which is spaced apart from the transfer plate 61, and the connecting plate 4 is located between the transfer plate 61 and the bottom plate 62, and a second opening 621 is arranged on the bottom plate 62, and the second opening 621 is arranged corresponding to the first opening 41; the switch assembly 6 drives the connecting plate 4 to move, so that the connecting plate 4 drives the first opening 41 to move between the transfer plate 61 and the bottom plate 62, thereby connecting the transfer tube 2, the first opening 41 and the second opening 621. The bottom plate 62 and the transfer plate 61 are connected by a column 67. There is a gap between the bottom plate 62 and the transfer plate 61. The connecting plate 4 is arranged in the gap. The bottom plate 62 is provided with a second opening 621. The switch assembly 6 controls the connecting plate 4 to move between the bottom plate 62 and the transfer plate 61, so that the transfer tube 2, the first opening 41 and the second opening 621 are connected, so that the transmission bottle 5 falls down.

[0033] See also Figure 2 , Figure 3 and Figure 5 In the pneumatic exchange center of the present embodiment, the switch assembly 6 further includes: a first motor 63, the first motor 63 is fixed on the transfer plate 61; a gear set 64, the output end of the first motor 63 is connected to the gear set 64; a rack 65, the gear set 64 passes through the transfer plate 61 and meshes with the rack 65, the rack 65 is fixed to one end of the connecting plate 4, drives the gear set 64 to rotate, and the rack 65 drives the connecting plate 4 to move, thereby moving the first opening 41. The gear set 64 component passes through the transfer plate 61 and meshes with the rack 65 on one side of the connecting plate 4, the first motor 63 drives the gear set 64 to rotate, prompting the rack 65 to drive the connecting plate 4 to move in the gap, thereby driving the first opening 41 to move, so that the switch assembly 6 connected to the receiving tube 22 prompts the connecting plate 4 to connect the receiving tube 22 with the carrier tube 21, and transfers the transmission bottle 5 to the carrier tube 21, and the switch assembly 6 connected to the carrier tube 21 prompts the connecting plate 4 to connect the carrier tube 21 with the channel 3, and transfers the transmission bottle 5 to the channel 3.

[0034] See also Figure 2 , Figure 3 and Figure 4In the pneumatic exchange center of the present embodiment, the pneumatic exchange center further includes a transfer assembly 7, which is disposed on the carrier platform 12, and is connected to the carrier tube 21 through the switch assembly 6. The transfer assembly 7 includes: a slide rail 71, which is disposed on the carrier platform 12; a slider 72, one end of which is connected to the bottom plate 62, and the other end of which is connected to the slide rail 71, and the slider 72 is movably disposed relative to the slide rail 71, thereby driving the carrier tube 21 to move. The slider 72 drives the carrier tube 21 on the bottom plate 62 to move on the slide rail 71, thereby transferring the transport bottle 5 to the top of different channels 3, so as to facilitate falling into the corresponding channel 3.

[0035] See also Figure 5 In the pneumatic exchange center of the present embodiment, a connecting space 121 is provided on the carrier 12, a plurality of channels 3 are arranged in the connecting space 121, the slide rail 71 includes a first slide rail 711 and a second slide rail 712, the first slide rail 711 and the second slide rail 712 are respectively arranged at the two ends of the connecting space 121, and the slider 72 includes a first slider 721 and a second slider 722, the first slider 721 and the second slider 722 are respectively arranged at the two ends of the bottom plate 62, so that the first slider 721 moves on the first slide rail 711 and the second slider 722 moves on the second slide rail 712. The first slide rail 711 and the second slide rail 712 are on both sides of the connecting space 121, and the two ends of the bottom plate 62 are respectively connected to the first slider 721 and the second slider 722, the first slider 721 moves on the first slide rail 711 and the second slider 722 moves on the second slide rail 712. Above the bottom plate 62 is the connecting plate 4 . When the first opening 41 of the connecting plate 4 moves to the bottom of the carrier tube 21 , the transport bottle 5 passes through the first opening 41 , the second opening 621 and the connecting space 121 in sequence and finally falls into the channel 3 .

[0036] See also Figure 3 and Figure 5 In the pneumatic exchange center of this embodiment, the slide rail 71 is protruded on the carrier platform 12, and a groove 723 is provided in the middle of the slider 72. The slide rail 71 is clamped in the groove 723 to make the connection between the slide rail 71 and the slider 72 more secure.

[0037] See also Figure 4In the pneumatic exchange center of the present embodiment, the pneumatic exchange center further includes a driving assembly 8, which is connected to the transfer assembly 7. The driving assembly 8 includes: a second motor 81, which is arranged on the bracket 1; two pulleys 82, which are respectively arranged at both ends of the bracket 1; a belt 83, which is arranged around the two pulleys 82, and the two pulleys 82 are arranged between the transfer plate 61 and the first slide rail 711, so that the belt 83 is located between the transfer plate 61 and the first slide rail 711; the transfer assembly 7 also includes a pair of clamps 73, which are arranged at one end of the bottom plate 62 of the transport tube 21 close to the first slide rail 711, and the pair of clamps 73 clamps the belt 83. When the second motor 81 drives the pulley 82 to rotate, the belt 83 drives the transfer assembly 7 to move. A pair of clamps 73 is also arranged on the side of the bottom plate 62 close to the belt 83. The pair of clamps 73 is composed of two clamps arranged on the bottom plate 62 along the length direction of the belt. The two clamps grab the belt 83 to increase the clamping force. The second motor 81 drives the belt 83 on the pulley 82 to rotate, so that the clamping jaw pair 73 moves with the slider 72 on the slide rail 71.

[0038] See also Figure 4 A drag chain 84 is also provided on the side of the bracket 1 away from the belt 83. The drag chain 84 is used to protect and manage the wires, air pipes and other lines of the pneumatic exchange center of this embodiment to prevent these lines from being worn, stretched or twisted due to movement, while ensuring the reliable operation of the pneumatic exchange center and improving work efficiency and safety.

[0039] See also Figure 5 and Figure 6 In the pneumatic switching center of this embodiment, the switch assembly 6 further includes a roller assembly 66, which is located at one end of the connecting plate 4 away from the rack 65, and the two ends of the roller assembly 66 are respectively connected to the transfer plate 61 and the bottom plate 62, and the roller 661 on the roller assembly 66 is rotatably arranged relative to the transfer plate 61 and the bottom plate 62. The two ends of the transfer plate 61 and the bottom plate 62 are connected by a column 67, and the roller 661 is arranged in the middle of the column 67. When the connecting plate 4 moves, the roller 661 rotates relative to the transfer plate 61 and the bottom plate 62.

[0040] See also Figure 6In the pneumatic exchange center of this embodiment, the roller 661 is sleeved on the fixed rod 662, one end of the fixed rod 662 is connected to the transfer plate 61, and the other end of the fixed rod 662 is connected to the bottom plate 62. The roller 661 is located between the transfer plate 61 and the bottom plate 62. When the rack 65 drives the connecting plate 4 to move, the roller 661 rotates around the fixed rod 662. When the rack 65 drives the connecting plate 4 to move, the roller 661 is set. On the one hand, it is convenient to limit and clamp the side of the connecting plate 4 away from the rack 65 to prevent the connecting plate 4 from running off. On the other hand, when the connecting plate 4 moves, the friction with the roller assembly 66 is reduced to improve the flexibility of movement.

[0041] See also Figure 1 In the pneumatic exchange center of this embodiment, a buffer platform 13 is also provided on the bracket 1. The buffer platform 13 is located above the receiving platform 11. Each receiving tube 22 on the receiving platform 11 extends to the top of the buffer platform 13. A plurality of through holes 221 are provided on the tube wall of the receiving tube 22 located on the buffer platform 13. Each through hole 221 is used to release the gas in the receiving tube 22. The airflow in the pipeline transmission system pushes the transmission bottle 5 to move. Since the through holes 221 are provided on the tube wall of the receiving tube 22 on the buffer platform 13, when the transmission bottle 5 is transmitted to the pneumatic exchange center, the gas in the pipeline is released from the through holes 221, reducing the thrust of the airflow on the transmission bottle 5, so that the transmission bottle 5 is buffered on the buffer platform 13, and the transmission bottle 5 is prevented from colliding with other components.

[0042] See also Figure 5 In this embodiment, a buffer pad 42 is provided on the connecting plate 4 of the pneumatic exchange center. When the transmission bottle 5 falls into the bottom of the receiving tube 22 and the carrying tube 21, it is buffered on the buffer pad 42 to prevent the transmission bottle 5 from being damaged.

[0043] In the pneumatic exchange center of this embodiment, the airflow in the pipeline transmission system forms a positive pressure in the transmission pipeline, pushing the transmission bottle 5 onto the buffer table 13, and transmitting the transmission bottle 5 to the carrier tube 21 through the opening and closing of the switch assembly 6 of the receiving tube 22, and then driving the belt 83 to rotate through the driving assembly 8, driving the transfer assembly 7 to move to the specified position above the channel 3, and then transmitting the transmission bottle 5 to the corresponding channel 3 through the opening and closing of the switch assembly 6 of the carrier tube 21, so as to realize multi-system pipeline transmission. The movement mode of the transmission bottle 5 in the channel 3 can be free fall by gravity, or an exhaust fan can be set at the end of the channel 3 to form a negative pressure in the channel 3 to suck the transmission bottle 5 to the receiving station.

[0044] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0045] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment will not be described in detail here.

[0046] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0047] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0048] The above is only a preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A pneumatic exchange center, characterized in that: include: A support (1), wherein a receiving platform (11) and a carrying platform (12) are arranged on the support (1), and the carrying platform (12) is located below the receiving platform (11); A transfer tube (2), the transfer tube (2) comprising a carrier tube (21) and a plurality of receiving tubes (22), the plurality of receiving tubes (22) being arranged at intervals on the receiving platform (11), the carrier tube (21) being arranged on the carrying platform (12), the carrier tube (21) being located between the receiving platform (11) and the carrying platform (12), and the carrier tube (21) being movably arranged relative to the receiving platform (11) and the carrying platform (12); A plurality of channels (3), wherein the plurality of channels (3) are arranged at intervals on a side of the carrier platform (12) away from the carrier tube (21), and each of the receiving tubes (22) is arranged in one-to-one correspondence with each of the channels (3); A plurality of connecting plates (4), each of which is located at the bottom of the transfer tube (2) to block the transport bottle (5) in the transfer tube (2); a first opening (41) is provided on the connecting plate (4); the connecting plate (4) is movably arranged relative to the transfer tube (2); movement of each of the connecting plates (4) drives the first opening (41) to move, so that the transport bottle (5) in the receiving tube (22) falls into the carrier tube (21), thereby causing the transport bottle (5) in the carrier tube (21) to fall into the channel (3).

2. The pneumatic switching center according to claim 1, characterized in that: The pneumatic exchange center further comprises a switch assembly (6), wherein the switch assembly (6) is connected to the connecting plate (4), and the switch assembly (6) comprises: A transfer plate (61), the transfer tube (2) being arranged on the transfer plate (61); A bottom plate (62), the bottom plate (62) and the transfer plate (61) are arranged at a distance, the connecting plate (4) is located between the transfer plate (61) and the bottom plate (62), a second opening (621) is arranged on the bottom plate (62), and the second opening (621) is arranged corresponding to the first opening (41); The switch assembly (6) drives the connecting plate (4) to move, so that the connecting plate (4) drives the first opening (41) to move between the transfer plate (61) and the bottom plate (62), thereby connecting the transfer tube (2), the first opening (41) and the second opening (621).

3. The pneumatic switching center according to claim 2, characterized in that: The switch assembly (6) further comprises: A first motor (63), wherein the first motor (63) is fixed on the transfer plate (61); A gear set (64), the output end of the first motor (63) is connected to the gear set (64); The gear set (64) passes through the transfer plate (61) and meshes with the gear set (65). The gear set (64) is fixed to one end of the connecting plate (4) to drive the gear set (64) to rotate. The gear set (65) drives the connecting plate (4) to move, thereby moving the first opening (41).

4. The pneumatic switching center according to claim 3, characterized in that: The pneumatic exchange center further comprises a transfer assembly (7), wherein the transfer assembly (7) is arranged on the carrier platform (12), and the transfer assembly (7) is connected to the carrier tube (21) via the switch assembly (6), and the transfer assembly (7) comprises: A slide rail (71), wherein the slide rail (71) is arranged on the carrier platform (12); A slider (72), one end of the slider (72) is connected to the base plate (62), and the other end of the slider (72) is connected to the slide rail (71), and the slider (72) is movably arranged relative to the slide rail (71), thereby driving the carrier tube (21) to move.

5. The pneumatic switching center according to claim 4, characterized in that: A connecting space (121) is provided on the carrier platform (12), and a plurality of the channels (3) are arranged in the connecting space (121); the slide rail (71) comprises a first slide rail (711) and a second slide rail (712), and the first slide rail (711) and the second slide rail (712) are respectively arranged at two ends of the connecting space (121); the slider (72) comprises a first slider (721) and a second slider (722), and the first slider (721) and the second slider (722) are respectively arranged at two ends of the bottom plate (62), so that the first slider (721) moves on the first slide rail (711) and the second slider (722) moves on the second slide rail (712).

6. The pneumatic switching center according to claim 4, characterized in that: The slide rail (71) is convexly arranged on the carrier platform (12), a groove (723) is arranged in the middle of the slide block (72), and the slide rail (71) is clamped in the groove (723).

7. The pneumatic switching center according to claim 5, characterized in that: The pneumatic exchange center further comprises a driving assembly (8), wherein the driving assembly (8) is connected to the transfer assembly (7), and the driving assembly (8) comprises: a second motor (81), the second motor (81) being arranged on the bracket (1); Two pulleys (82), the two pulleys (82) being respectively arranged at two ends of the bracket (1); a belt (83), wherein the belt (83) is arranged around the two pulleys (82), and the two pulleys (82) are both arranged between the transfer plate (61) and the first slide rail (711), so that the belt (83) is located between the transfer plate (61) and the first slide rail (711); The transfer assembly (7) further comprises a pair of clamps (73), wherein the pair of clamps (73) is arranged on one end of the bottom plate (62) of the transport tube (21) close to the first slide rail (711), and the pair of clamps (73) clamps the belt (83). When the second motor (81) drives the pulley (82) to rotate, the belt (83) drives the transfer assembly (7) to move.

8. The pneumatic switching center according to claim 3, characterized in that: The switch assembly (6) further comprises a roller assembly (66), wherein the roller assembly (66) is located at one end of the connecting plate (4) away from the rack (65), and the two ends of the roller assembly (66) are respectively connected to the transfer plate (61) and the bottom plate (62), and the roller (661) on the roller assembly (66) is rotatably arranged relative to the transfer plate (61) and the bottom plate (62).

9. The pneumatic switching center according to claim 8, characterized in that: The roller (661) is sleeved on the fixed rod (662), one end of the fixed rod (662) is connected to the transfer plate (61), and the other end of the fixed rod (662) is connected to the bottom plate (62). The roller (661) is located between the transfer plate (61) and the bottom plate (62). When the rack (65) drives the connecting plate (4) to move, the roller (661) rotates around the fixed rod (662).

10. The pneumatic switching center according to claim 1, characterized in that: A buffer platform (13) is also provided on the bracket (1), and the buffer platform (13) is located above the receiving platform (11). Each of the receiving tubes (22) on the receiving platform (11) extends above the buffer platform (13). A plurality of through holes (221) are provided on the tube wall of the receiving tube (22) located on the buffer platform (13), and each of the through holes (221) is used to release the gas in the receiving tube (22).

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