Effervescent tablet filling mechanism

Abstract

The present application discloses an effervescent tablet filling mechanism, belonging to the field of effervescent tablet production devices and used for filling effervescent tablets. It includes a base and side frames connected to an arc-shaped bottom plate. The side frames are provided with a material distribution rotating shaft driven by a material distribution motor and a filling rotating shaft driven by a filling motor. The material distribution rotating shaft drives a material distribution wheel located at the end of a material distribution guide rail. The end of the material distribution guide rail is connected to a filling rotating wheel, and the outside of the filling rotating wheel is covered with an outer limiting plate; the filling rotating wheel is connected to the filling rotating shaft; a material inlet and a discharge chute are respectively processed at the top and bottom of the outer limiting plate, and the bottom end of a sliding feeding plate driven by a filling swing rod is slidably connected in the discharge chute; end plates are arranged at both ends of the filling rotating wheel; a tube conveyor belt is arranged at the outlet of a material holding tank, and an outer tube of an effervescent tablet is arranged on the tube conveyor belt. In view of the above technical solution, the present application can achieve the utilization rate in the spatial level, improve the flexibility in the process of sub-packaging and filling effervescent tablets, and reduce the floor area.

Description

Technical Field

[0001] This application belongs to the field of effervescent tablet production devices. Specifically, it particularly relates to an effervescent tablet filling mechanism. Background Art

[0002] In the filling production of semi-solid beverages, such as effervescent tablets, manual dispensing will inevitably cause cumbersome steps, waste of manpower and energy. To solve this problem, the patent document with the Chinese patent publication number CN208248590U discloses a bottle-dividing filling mechanism for an effervescent tablet filling machine, and further discloses including a frame. One side of the frame is provided with a feeding mechanism. The feeding mechanism includes a number of reversing guide rails arranged side by side. In front of the reversing guide rails, there is an adjusting mechanism for adjusting the number of tablets. The adjusting mechanism includes a baffle located in front of the reversing guide rails. At the end of the feeding mechanism, there is a conveyor belt located on the frame. One side of the frame is provided with a guiding slide rail above the conveyor belt. A number of ejector blocks are slidably connected to the guiding slide rail. On the frame, there is a tube feeding device located on one side of the conveyor belt, which can freely adjust the number of effervescent tablets filled in each bottle, is convenient for adjustment, and has a wider applicability.

[0003] Similar prior art structures also include an automatic packaging device and method for effervescent tablets disclosed in the patent document CN113044311A, and an automatic capping mechanism for an effervescent tablet filling machine disclosed in the patent document CN207985273U.

[0004] However, the unified problem of the structures shown in the prior art is that the above structures all require a large horizontal conveyor belt, and a number of relatively complex guiding slide rails need to be arranged on the conveyor belt. Through the guiding slide rails, filling and cooperation with the top cover structure are realized, which has a large floor area, many actuating components, poor flexibility, and cannot improve the space utilization rate. Summary of the Invention

[0005] The purpose of this application is to provide an effervescent tablet filling mechanism, which can realize the utilization rate at the spatial level, improve the flexibility in the process of effervescent tablet dispensing and filling, and reduce the floor area.

[0006] To achieve the above purpose, this application is realized through the following technical solutions:

[0007] An effervescent tablet filling mechanism described in this application includes a base. The base is connected to an arc-shaped bottom plate through a base fixing rod. Both ends of the arc-shaped bottom plate are respectively fixedly connected with side frames. The two side frames are respectively connected with a material distribution rotating shaft and a filling rotating shaft through bearing structures. The material distribution rotating shaft is driven by a material distribution motor, and the filling rotating shaft is driven by a filling motor. A material distribution wheel is installed on the material distribution rotating shaft. The material distribution wheel is located at the end of the material distribution guide rail. The end of the material distribution guide rail is connected to a filling rotating wheel. The outside of the filling rotating wheel is coated with an outer limit plate. The filling rotating wheel is connected to the filling rotating shaft. An inlet is processed at the top of the outer limit plate, and a discharge chute is processed at the bottom of the outer limit plate. The bottom end of a sliding feeding plate is slidably connected in the discharge chute. The sliding feeding plate is driven by a filling swing rod, and the bottom end of the filling swing rod is driven by a swing motor. End plates are arranged at both ends of the filling rotating wheel. A tube conveyor belt is arranged at the outlet of the material receiving groove in the filling rotating wheel. An effervescent tablet outer tube is arranged on the tube conveyor belt. The opening of the effervescent tablet outer tube faces the material receiving groove so that the sliding feeding plate in the material receiving groove can send the effervescent tablets in the material receiving groove into the effervescent tablet outer tube.

[0008] As one of the preferred technical solutions of this application, the material distribution wheel includes a feeding wheel body, and a number of feeding silica gel claws are distributed on the feeding wheel body. The feeding wheel bodies are multiple and are correspondingly arranged with a number of end outlets of the material distribution guide rail.

[0009] As one of the preferred technical solutions of this application, the bottom end of the sliding feeding plate is connected to a sliding rod through a swinging sliding sleeve. The connecting part between the sliding feeding plate and the swinging sliding sleeve is located in the discharge chute and slides in the discharge chute. The bottom of the swinging sliding sleeve is hinged with a filling swing rod.

[0010] As one of the preferred technical solutions of this application, the filling swing rod includes a telescopic hinge rod. The bottom end of the telescopic hinge rod is coaxially arranged in a telescopic rod sleeve. A telescopic rod limit block integrated with the telescopic hinge rod is arranged at the bottom end of the telescopic hinge rod. The telescopic rod limit block is located in the limit strip-shaped hole of the telescopic rod sleeve and slides in the limit strip-shaped hole. A return spring is arranged at the bottom end of the telescopic hinge rod. The return spring is located in the telescopic rod sleeve. The bottom end of the telescopic rod sleeve is fixedly connected with a swinging base, and the swinging base is fixedly connected to the output end of the swing motor.

[0011] As one of the preferred technical solutions of this application, the tube conveyor belt includes a feeding support plate. A feeding bottom plate is arranged at one end of the feeding support plate away from the filling rotating wheel. The feeding bottom plate is perpendicular to the feeding support plate. An arc-shaped placement groove corresponding to the effervescent tablet outer tube is arranged on the top surface of the feeding support plate. A feeding notch is processed at one end of the arc-shaped placement groove facing the filling rotating wheel. The feeding notch is correspondingly arranged with the discharge chute.

[0012] As one of the preferred technical solutions of this application, notch clamping grooves are processed on both sides at the connection position between the feeding notch and the arc-shaped placement groove.

[0013] As one of the preferred technical solutions of the present application, the filling rotating shaft is a hollow shaft body, and a negative pressure adsorption pipeline is connected to one end of the filling rotating shaft far away from the pipe conveyor belt through a sealed rotating flange. The filling rotating shaft is connected to the filling rotating wheel through a hollow radial pipe body, and the hollow radial pipe body is correspondingly arranged with the material receiving grooves on the filling rotating wheel and is communicated with and fixedly connected to the bottom ends of the material receiving grooves.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] The present application can improve the space utilization rate and effectively ensure the sub-packaging and filling of effervescent tablets. By providing a plurality of diversion guide rails connected to the screening device, the filling of the outer tubes of effervescent tablets with different packages can be realized, avoiding the problems of large horizontal plane area, poor flexibility and complex structure of the original sub-packaging and filling structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional view of the present application Figure 1 .

[0017] Figure 2 is a three-dimensional view of the present application Figure 2 .

[0018] Figure 3 is a three-dimensional view of the present application Figure 3 .

[0019] Figure 4 is Figure 3 the partial enlarged view of part I in

[0020] Figure 5 is the front view of the present application.

[0021] Figure 6 is Figure 5 the cross-sectional view at the position and in the direction shown by A-A in

[0022] Figure 7 is Figure 6 the partial enlarged view of part II in

[0023] Figure 8 is the structural schematic diagram of the outer limiting plate and the filling rotating wheel of the present application (after removing one side structure).

[0024] Figure 9 is the structural schematic diagram of the filling rotating wheel.

[0025] In the figure: 1. Shunt guide rail; 2. Feeding wheel; 3. Feeding rotating shaft; 4. Feeding motor; 5. Filling motor; 6. Filling rotating shaft; 7. Auxiliary plate; 8. End plate connecting rod; 9. Outer shell connecting rod; 10. Effervescent tablet outer tube; 11. Arc-shaped bottom plate; 12. Base fixing rod; 13. Base; 14. Swing motor; 15. Tube body conveyor belt; 16. End plate; 17. Filling swing rod; 18. Outer limit plate; 19. Filling rotating wheel; 20. Arc-shaped placement groove; 21. Feeding notch; 22. Notch card slot; 23. Side frame; 24. Slide bar; 25. Swing sliding sleeve; 26. Sliding feeding plate; 27. Telescopic hinge rod; 28. Telescopic rod sleeve; 29. Limit strip hole; 30. Telescopic rod limit block; 31. Return spring; 32. Swing base; 33. Material storage groove; 34. Feeding port; 35. Discharge chute; 36. Feeding wheel body; 37. Feeding silica gel claw; 38. Feeding bottom plate; 39. Feeding support plate. Detailed implementation mode

[0026] The technical solution of the present application will be further described and illustrated below in conjunction with the accompanying drawings and embodiments. Embodiment 1

[0027] As Figures 1 to 9 shown, an effervescent tablet filling mechanism includes a shunt guide rail 1. The outlet end of the shunt guide rail 1 is connected to a filling rotating wheel 19. The filling rotating wheel 19 is covered by two outer limit plates 18. The two outer limit plates 18 form a feeding port 34 at the top of the filling rotating wheel 19, and the two outer limit plates 18 form a discharge chute 35 at the bottom of the filling rotating wheel 19. A number of material storage grooves 33 are processed at the circumferential position of the filling rotating wheel 19. The material storage grooves 33 can correspond to the feeding port 34 and the discharge chute 35 during rotation and pause rotation.

[0028] A filling rotating shaft 6 is arranged at the central axis of the filling rotating wheel 19. Both ends of the filling rotating shaft 6 are installed on the side frame 23 at the corresponding positions through bearing structures. A filling motor 5 is arranged on the side frame 23, and the filling motor 5 is used to drive the filling rotating shaft 6. The filling motor 5 can have a speed change mechanism and drive the filling rotating shaft 6 through the speed change mechanism.

[0029] Above the connection position between the shunt guide rail 1 and the filling rotating wheel 19, a feeding wheel 2 is arranged. The feeding wheel 2 has a feeding wheel body 36 and a feeding silica gel claw 37. The feeding wheel bodies 36 are multiple and respectively correspond to the effervescent tablet shunt tracks at the same positions on the shunt guide rail 1. The feeding wheel bodies 36 are coaxially arranged on the feeding rotating shaft 3 and are evenly distributed along the length direction of the feeding rotating shaft 3. Both ends of the feeding rotating shaft 3 are connected to the side frame 23 at the corresponding positions through bearing structures. A feeding motor 4 for driving the feeding rotating shaft 3 is arranged on the side frame 23. The feeding motor 4 can have a speed change mechanism and drive the feeding rotating shaft 3 through the speed change mechanism.

[0030] Both ends of the outer limiting plate 18 are provided with end plates 16, and the end plates 16 and the outer limiting plate 18 together constitute the limitation of the filling rotating wheel 19 and the effervescent tablets contained in the material receiving groove 33.

[0031] The end plate 16 can be connected and fixed to the shunt guide rail 1 through the material inlet 34 at the top end of the outer limiting plate 18, and the end plate 16 can also be integrally connected to the side frame 23 at the corresponding position through the end plate connecting rod 8. Both ends of the outer limiting plate 18 can be integrally connected to the auxiliary plate 7 through the housing connecting rod 9, and the auxiliary plate 7 is located at both ends of the side frame 23 and is fixedly integrated with the side frame 23. At the same time, when the outer limiting plate 18 and the end plates 16 at both ends form an integral structure, it can also be integrally connected to the shunt guide rail 1 through the end plates 16 at both ends or to the side frame 23 at the corresponding position through the end plate connecting rod 8.

[0032] The bottom of the sliding feeding plate 26 is slidably arranged inside the material inlet 34. The bottom of the sliding feeding plate 26 is integrally connected to the corresponding swinging sliding sleeve 25 below. The swinging sliding sleeve 25 is located on the sliding rod 24, and both ends of the sliding rod 24 are fixedly connected to the side frame 23 at the corresponding positions.

[0033] The swinging sliding sleeve 25 is hinged to the top end of the filling swing rod 17, and the filling swing rod 17 is driven by the swing motor 14 at the bottom. The swing amplitudes of the swing motor 14 to the left and right are the same.

[0034] The sliding feeding plate 26 is slidably arranged in the material receiving groove 33 that rotates to the bottom of the filling rotating wheel 19. A notch structure identical to the material receiving groove 33 is machined on the end plate 16 at the position corresponding to the discharge chute 35 to meet the requirement of pushing the effervescent tablets into the effervescent tablet outer tube 10.

[0035] Tube conveyors 15 are respectively arranged at both ends of the outer limiting plate 18 and the end plates 16. A number of effervescent tablet outer tubes 10 are conveyed on the tube conveyors 15, and the openings of the effervescent tablet outer tubes 10 face the positions where the outer limiting plate 18 and the end plates 16 are located.

[0036] The bottom end of the side frame 23 is fixedly connected to the arc-shaped bottom plate 11 at the corresponding position, and the bottom end of the arc-shaped bottom plate 11 is integrally connected to the base 13 through the base fixing rod 12. Embodiment 2

[0037] As Figures 1 to 9As shown in the figure, there is an effervescent tablet filling mechanism. The filling swing rod 17 includes a telescopic hinge rod 27 hinged to the swing sliding sleeve 25. The telescopic hinge rod 27 is inserted into the telescopic rod sleeve 28 and slides relative to the telescopic rod sleeve 28. On both sides of the bottom end of the telescopic hinge rod 27, there are telescopic rod limit blocks 30 integrated with the telescopic hinge rod 27. The telescopic rod limit blocks 30 are located in the limit strip-shaped holes 29 formed by the strip-shaped through holes on both sides of the telescopic rod sleeve 28 and are slidably arranged along the limit strip-shaped holes 29. A return spring 31 is arranged at the bottom end of the telescopic hinge rod 27. The return spring 31 is located inside the telescopic rod sleeve 28 and realizes stretching and resetting during the movement of the telescopic hinge rod 27. The bottom end of the telescopic rod sleeve 28 is fixedly connected with a swing base 32, and the swing base 32 is integrally connected with the swing motor 14. The structures and connection relationships of the remaining parts are the same as those of any one of the foregoing embodiments. To avoid cumbersome writing, they will not be elaborated here. Embodiment 3

[0038] As Figures 1 to 9 As shown in the figure, there is an effervescent tablet filling mechanism. The tube conveyor belt 15 is of an L-shaped structure and includes a feeding support plate 39 horizontally arranged relative to the base 13. At one end of the feeding support plate 39 away from the outer limit plate 18, a feeding bottom plate 38 is fixedly connected. The end face of the feeding support plate 39 is processed with a plurality of arc-shaped placement grooves 20 in the length direction. The arc-shaped placement grooves 20 are perpendicular to the feeding bottom plate 38. A feeding notch 21 is processed at one end of the arc-shaped placement groove 20 close to the discharging chute 35, and the feeding notch 21 is correspondingly arranged with the discharging chute 35. At both sides of the connection position between the arc-shaped placement groove 20 and the feeding notch 21, notch clamping grooves 22 are processed, and the notch clamping grooves 22 are clamped with the stepped structure at the bottle mouth of the effervescent tablet outer tube 10. The structures and connection relationships of the remaining parts are the same as those of any one of the foregoing embodiments. To avoid cumbersome writing, they will not be elaborated here. Embodiment 4

[0039] As Figures 1 to 9 As shown in the figure, there is an effervescent tablet filling mechanism. The filling rotating shaft 6 is a hollow shaft body and is blocked at a position close to the filling motor 5. The filling rotating shaft 6 is connected with a pipeline of a negative pressure generating device through a sealed rotating flange at one end away from the filling motor 5. At the connection position between the filling rotating shaft 6 and the filling rotating wheel 19, a plurality of radially arranged hollow tube bodies are provided, and the hollow tube bodies are communicated with and fixed to the material storage tank 33. The structures and connection relationships of the remaining parts are the same as those of any one of the foregoing embodiments. To avoid cumbersome writing, they will not be elaborated here.

[0040] Based on the above embodiments, the following paragraphs are used to continue the detailed description of the technical features involved and the functions and roles played by these technical features in the present technical solution, so as to help those skilled in the art fully understand the technical solution and reproduce it.

[0041] As Figures 1 to 9 In the structure shown, when the present application is in use, the effervescent tablets enter the end of the diversion guide rail 1 in sequence through the screening device. Since a material distributing wheel 2 is provided at the end of the diversion guide rail 1, the material distributing wheel 2 includes a feeding wheel body 36 located at the end of the diversion guide rail 1, and the feeding silica gel claws 37 distributed on the feeding wheel body 36 can allow the feeding of a single effervescent tablet and restrict the rolling of the next effervescent tablet.

[0042] When the material distributing motor 4 drives the material distributing rotating shaft 3 to operate, the material distributing rotating shaft 3 drives the feeding wheel body 36 to rotate through the radial ribs. The rotation of the feeding wheel body 36 can drive the movement of the feeding silica gel claws 37 and enable a single effervescent tablet to enter the material receiving groove 33 through the feeding port 34.

[0043] The effervescent tablets that enter the material receiving groove 33 enter the lower discharge chute 35 under the rotation of the filling rotating wheel 19. When the effervescent tablets enter the material receiving groove 33 and move downward, they can be stably limited in the material receiving groove 33 under the limiting action of the outer limiting plate 18 and the filling rotating shaft 6.

[0044] The lower part of the sliding feeding plate 26 is slidably connected in the discharge chute 35. During the rotation of the filling rotating wheel 19, the sliding feeding plate 26 is located in the notch of the corresponding end plate 16 so as not to affect the rotation of the filling rotating wheel 19.

[0045] The bottom end of the sliding feeding plate 26 is connected with a swinging sliding sleeve 25, and the swinging sliding sleeve 25 slides along the sliding rod 24 and is driven by the filling swinging rod 17 at the bottom. During the swinging of the filling swinging rod 17, the telescopic hinge rod 27 can telescopically move relative to the telescopic rod sleeve 28 under the action of the return spring 31 to meet the movement of the sliding feeding plate 26 and the swinging sliding sleeve 25 during swinging. The swinging of the filling swinging rod 17 is powered by the swinging motor 14 connected to the swinging base 32. In order to ensure the stability of the movement of the telescopic hinge rod 27 and the telescopic rod sleeve 28, limiting strip-shaped holes 29 are machined on both sides of the telescopic rod sleeve 28, and a telescopic rod limiting block 30 corresponding to the telescopic rod sleeve 28 is machined at the bottom end of the telescopic hinge rod 27, and the telescopic rod limiting block 30 slides in the limiting strip-shaped holes 29.

[0046] After the sliding feeding plate 26 slides from one end plate 16 along the material receiving groove 33 and the discharge chute 35 to the other end plate 16, it can neatly push the effervescent tablets located in the material receiving groove 33 into the effervescent tablet outer tube 10 at the corresponding position.

[0047] If a feeding notch 21 is processed at the end of the tube conveyor belt 15 facing the end plate 16, the sliding feed plate 26 can move into the feeding notch 21, and springs are processed on both sides of the sliding feed plate 26, so that the effervescent tablet can be further pressed into the effervescent tablet outer tube 10 through the spring structure.

[0048] The feeding notch 21 can better accommodate the sliding feeding plate 26 and the spring. The sliding feeding plate 26 and the spring can be accommodated in the feeding notch 21 and the end plate 16 so as not to affect the rotation of the filling wheel 19.

[0049] When the next material trough 33 rotates to correspond to the discharge chute 35, the sliding feed plate 26 moves along the material trough 33 to another direction and delivers the effervescent tablet in the material trough 33 into the effervescent tablet outer tube 10 in another direction.

[0050] After the sliding feeding plate 26 presses the effervescent tablet into the effervescent tablet outer tube 10, the arc placement groove 20 and the notch clamping groove 22 on the tube conveyor belt 15 can limit the effervescent tablet outer tube 10. Of course, as one of the preferred ways, a V-shaped spring piece can also be provided on the tube conveyor belt 15 on both sides of the arc placement groove 20. The arc placement groove 20 is at the bottom of the V-shaped structure.

[0051] Due to the limitation of the above structure, the material dividing wheel 2 first rotates intermittently to feed a batch of effervescent tablets fed by the diverter guide rail 1 into the material trough 33; then the material trough 33 rotates with the filling wheel 19. After the material trough 33 containing the effervescent tablets is aligned with the discharge chute 35, the sliding feed plate 26 located in the end plate 16 or the feed notch 21 on one side moves along the material trough 33 toward the end plate 16 or the feed notch 21 on the other side to push the effervescent tablets in the material trough 33 into the effervescent tablet outer tube 10. When the sliding feed plate 26 leaves the end plate 16 or the feed notch 21 on the side, the tube conveyor belt 15 at this position starts to move so that the next effervescent tablet outer tube 10 is aligned with the discharge chute 35.

[0052] When the present application cooperates with the capping mechanism, the conveying conduit of the cap body should be located on the inner side of the tube conveyor belt 15 (i.e., the side away from the feeding bottom plate 38), and in the process of pressing the cap body into the effervescent tablet outer tube 10, the bottom of the effervescent tablet outer tube 10 can still promote the pressing of the cap body under the limit of the feeding bottom plate 38. When the tube conveyor belt 15 is pressed into the bottle cap and turns smoothly downward, the effervescent tablet outer tube 10 can fall from the tube conveyor belt 15 into the collection box.

[0053] Finally, although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An effervescent tablet filling mechanism, comprising a base (13), the base (13) is connected to an arc-shaped bottom plate (11) through a base fixing rod (12), and both ends of the arc-shaped bottom plate (11) are respectively fixedly connected with side frames (23), characterized in that: On both sides, the side frames (23) are respectively connected with a material distribution rotating shaft (3) and a filling rotating shaft (6) through bearing structures. The material distribution rotating shaft (3) is driven by a material distribution motor (4), and the filling rotating shaft (6) is driven by a filling motor (5). A material distribution wheel (2) is installed on the material distribution rotating shaft (3). The material distribution wheel (2) is located at the end of the diversion guide rail (1). The end of the diversion guide rail (1) is connected with a filling rotating wheel (19). The outside of the filling rotating wheel (19) is covered with an outer limiting plate (18); the filling rotating wheel (19) is connected to the filling rotating shaft (6); an inlet (34) is processed at the top of the outer limiting plate (18), and a discharge chute (35) is processed at the bottom of the outer limiting plate (18). The bottom end of a sliding feeding plate (26) is slidably connected in the discharge chute (35). The sliding feeding plate (26) is driven by a filling swing rod (17), and the bottom end of the filling swing rod (17) is driven by a swing motor (14); both ends of the filling rotating wheel (19) are provided with end plates (16); a plurality of material holding grooves (33) are processed at the circumferential position of the filling rotating wheel (19). The material holding grooves (33) can correspond to the inlet (34) and the discharge chute (35) and pause rotating during the rotation process; a tube conveyor belt (15) is arranged at the outlet of the material holding groove (33) in the filling rotating wheel (19). An effervescent tablet outer tube (10) is arranged on the tube conveyor belt (15). The opening of the effervescent tablet outer tube (10) faces the material holding groove (33) so that the sliding feeding plate (26) in the material holding groove (33) can send the effervescent tablets in the material holding groove (33) into the effervescent tablet outer tube (10). The bottom end of the sliding feeding plate (26) is connected to a sliding rod (24) through a swing sliding sleeve (25). The connecting part between the sliding feeding plate (26) and the swing sliding sleeve (25) is located in the discharge chute (35) and slides in the discharge chute (35); the bottom of the swing sliding sleeve (25) is hinged with a filling swing rod (17). The filling swing rod (17) includes a telescopic hinge rod (27). The bottom end of the telescopic hinge rod (27) is coaxially arranged in a telescopic rod sleeve (28). A telescopic rod limiting block (30) integrated with the telescopic hinge rod (27) is arranged at the bottom end of the telescopic hinge rod (27). The telescopic rod limiting block (30) is located in a limiting strip-shaped hole (29) of the telescopic rod sleeve (28) and slides in the limiting strip-shaped hole (29); a return spring (31) is arranged at the bottom end of the telescopic hinge rod (27). The return spring (31) is located in the telescopic rod sleeve (28); the bottom end of the telescopic rod sleeve (28) is fixedly connected with a swing base (32), and the swing base (32) is fixedly connected to the output end of the swing motor (14).

2. The effervescent tablet filling mechanism according to claim 1, characterized in that: The material distribution wheel (2) includes a feeding wheel body (36). A plurality of feeding silica gel claws (37) are distributed on the feeding wheel body (36). The feeding wheel bodies (36) are multiple and are arranged corresponding to a plurality of end outlets of the diversion guide rail (1).

3. The effervescent tablet filling mechanism according to claim 1, characterized in that: The tube conveyor belt (15) includes a feeding support plate (39). A feeding bottom plate (38) is provided at one end of the feeding support plate (39) away from the filling runner (19), and the feeding bottom plate (38) is perpendicular to the feeding support plate (39). An arc-shaped placement groove (20) corresponding to the effervescent tablet outer tube (10) is provided on the top surface of the feeding support plate (39). A feeding notch (21) is machined at one end of the arc-shaped placement groove (20) facing the filling runner (19), and the feeding notch (21) is correspondingly arranged with the discharge chute (35).

4. The effervescent tablet filling mechanism according to claim 3, characterized in that: Notch clamping grooves (22) are machined on both sides at the connection position between the feeding notch (21) and the arc-shaped placement groove (20).

5. The effervescent tablet filling mechanism according to any one of claims 1 to 4, characterized in that: The filling rotating shaft (6) is a hollow shaft body. A negative pressure adsorption pipeline is connected to one end of the filling rotating shaft (6) away from the tube conveyor belt (15) through a sealed rotating flange. The filling rotating shaft (6) is connected to the filling runner (19) through a hollow radial tube body, and the hollow radial tube body is correspondingly arranged with the material receiving groove (33) on the filling runner (19) and is communicated with and fixedly connected to the bottom end of the material receiving groove (33).

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