Full-automatic filling and sealing device for pharmacy

By synchronously controlling the conveyor belt and filling device, the problem of mismatch between the positions of the medicine bottle and the filling head was solved, achieving accurate filling and sealing of the medicine, and improving the sterility and sealing of the pharmaceutical process.

CN121107335APending Publication Date: 2025-12-12XUZHOU VOCATIONAL COLLEGE OF BIOENG
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Patent Information

Application Number
CN202511456472.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-13
Publication Date
2025-12-12

AI Technical Summary

Technical Problem

In existing pharmaceutical manufacturing equipment, the start and stop of the conveyor belt and the start and stop of the filling device are controlled separately, which leads to a mismatch between the positions of the medicine bottle and the filling head, and the medicine is easily spilled to the outside of the medicine bottle.

Method used

The system employs a synchronously controlled conveyor belt and filling device. Through the first and second drive mechanisms, it ensures that the positions of the medicine bottles on the conveyor belt correspond to the filling heads. By utilizing the coordinated movement of the lifting mechanism and the sealing machine, it achieves accurate filling and sealing of the medicine.

Benefits of technology

It enables accurate filling and sealing of the liquid medicine, preventing spillage and improving the sterility, dosage accuracy, and sealing of the pharmaceutical process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The full-automatic filling and sealing device comprises a frame body, a conveying belt is rotationally connected into the frame body, placing bases are evenly and fixedly arranged on the conveying belt, an inverted-L-shaped support is fixedly arranged on the side wall of the frame body, and a plunger pump and a sealing machine capable of moving up and down are sequentially arranged at the top of the inverted-L-shaped support; a lifting mechanism for a plunger rod of the plunger pump to move up and down is arranged at the top of the inverted-L-shaped support, a first driving mechanism for synchronous movement of the conveying belt and the lifting mechanism is arranged on the side wall of the lower portion of the inverted-L-shaped support, winding rollers are rotationally connected to the left side and the right side of the sealing machine correspondingly, and an aluminum film is connected between the two winding rollers and located at the bottom of the sealing machine. Through intermittent driving of movement of the conveying belt and filling of the plunger pump, the conveying belt and the plunger pump are alternately and orderly carried out and are controlled in a coordinated mode, the positions of the medicament bottle and the filling head always correspond to each other, and the effect that the medicament bottle and the filling head are prevented from being dislocated, so that the medicament liquid is sprayed outwards during filling is achieved.
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Description

Technical Field

[0001] This invention relates to the field of filling and sealing equipment technology, and in particular to a fully automatic filling and sealing device for pharmaceuticals. Background Technology

[0002] Pharmaceutical filling and sealing is a core step in formulation production, directly affecting the sterility, dosage accuracy, sealing, and stability of drugs. It involves encapsulating liquid, powdered, or semi-solid drugs (such as injections, oral liquids, and ointments) into specialized containers (such as ampoules, vials, and tubing) to ultimately form a marketable and usable finished drug product.

[0003] When filling and sealing liquid pharmaceuticals, the pharmaceutical bottle is usually placed on a conveyor belt, and the filling and sealing of the reagent is completed as the conveyor belt moves forward and stops. However, in existing devices, the start and stop of the conveyor belt and the start and stop of the filling device are controlled separately, which can easily cause the two movements to be uncoordinated, resulting in a deviation in the position of the pharmaceutical bottle and the filling head. This makes it easy for the liquid to spill onto the outside of the pharmaceutical bottle during filling. Based on this, a fully automatic filling and sealing device for pharmaceuticals is proposed. Summary of the Invention

[0004] This invention provides a fully automatic filling and sealing device for pharmaceuticals, which solves the problem mentioned in the above-mentioned technical background that the start and stop of the conveyor belt and the start and stop of the filling device are controlled separately, which easily causes the movement of the two to be uncoordinated, resulting in the position of the medicine bottle and the filling head being deviated, and the medicine liquid is easily spilled on the outside of the medicine bottle during filling.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a fully automatic filling and sealing device for pharmaceuticals, including a frame, a conveyor belt rotatably connected inside the frame, placement seats being fixedly and evenly fixed on the conveyor belt, an inverted L-shaped bracket being fixedly provided on the side wall of the frame, and a filling component and a sealing component being sequentially provided on the top of the inverted L-shaped bracket; The filling assembly includes a plunger pump fixedly mounted on the inner wall of an inverted L-shaped bracket. The top of the inverted L-shaped bracket is fixedly equipped with a lifting mechanism for the plunger rod of the plunger pump to move up and down reciprocally. The lower side wall of the inverted L-shaped bracket is equipped with a first drive mechanism for the synchronous movement of the conveyor belt and the lifting mechanism. The sealing assembly includes a sealing box fixedly mounted at the bottom of an inverted L-shaped bracket. A sealing machine that can move up and down is provided in the middle of the bottom of the sealing box. Take-up rollers are rotatably connected to both sides of the sealing box. An aluminum film is connected between the two sets of take-up rollers. The aluminum film is located at the bottom of the sealing machine. A second drive mechanism for rotating the take-up rollers and moving the sealing machine up and down is provided on one side of the sealing box.

[0006] Preferably, the lifting mechanism includes a first rotating rod rotatably connected to the top of the inverted L-shaped bracket, a turntable fixedly connected to the end of the first rotating rod, a pin fixedly provided on one side of the surface of the turntable, the top of the plunger rod of the plunger pump passing through the inverted L-shaped bracket and fixedly connected to a guide plate, a through groove being provided in the guide plate, and the pin being slidably connected in the through groove.

[0007] Preferably, the first driving mechanism includes a first driving motor fixedly disposed on one side below the inverted L-shaped bracket. The output shaft of the first driving motor is fixedly connected to a rotating shaft. A half gear is fixedly sleeved on the rotating shaft. A second rotating rod is rotatably connected to the lower side wall of the inverted L-shaped bracket. A first gear is fixedly sleeved on one side of the second rotating rod. The first gear and the half gear are meshed together. Both the first rotating rod and the second rotating rod are sleeved with transmission wheels. The two transmission wheels are connected by a transmission belt.

[0008] Preferably, rotating columns are rotatably connected to both sides of the frame, and conveyor rollers are fixedly mounted on the rotating columns. The conveyor belt is driven and connected to the conveyor rollers on both sides. One rotating column passes through the frame and is fixedly fitted with a second gear, which meshes with a half gear.

[0009] Preferably, the number of teeth of the half gear is the same as the number of teeth of the first gear and the second gear.

[0010] Preferably, a sliding rod is fixedly and slidably connected to the bottom center of the sealing box. The bottom of the sliding rod is fixedly connected to the sealing machine. A connecting plate is fixedly provided on the top of the sliding rod. Springs are fixedly provided between the bottom two sides of the connecting plate and the inner wall of the sealing box. A third rotating rod is rotatably connected inside the sealing box. A cam is fixedly provided on the third rotating rod. The position of the cam corresponds to that of the connecting plate.

[0011] Preferably, the second driving mechanism includes a driving box fixedly disposed on one side of the sealing box, a second driving motor fixedly disposed on one side of the driving box, a crossbar fixedly connected to the output shaft of the second driving motor, a first conical half gear fixedly sleeved in the middle of the crossbar, and a third rotating rod extending through into the driving box and fixedly sleeved with the first conical gear, the first conical gear meshing with the first conical half gear.

[0012] Preferably, a fourth rotating rod is fixedly provided in the middle of the take-up roller, the fourth rotating rod extends through into the drive box and is fixedly fitted with a second bevel gear, and second bevel half gears are fixedly fitted on both sides of the crossbar, the second bevel half gears meshing with the second bevel gear.

[0013] Preferably, when the first conical half gear meshes with the first conical gear, the second conical half gear separates from the second conical gear.

[0014] The beneficial effects of the fully automated pharmaceutical filling device of the present invention are as follows: (1) In this invention, the first drive motor drives the rotating shaft and half gear to rotate one revolution, and the second gear and the first gear mesh and rotate one revolution in turn. First, the second gear drives the rotating column and the conveyor roller to rotate one revolution, moving the medicine bottle on the conveyor belt to the bottom of the plunger pump and the sealing machine. Then, the first gear drives the second rotating rod to rotate one revolution. Under the transmission action of the transmission wheel and the transmission belt, the first rotating rod rotates synchronously one revolution, so that the plunger rod in the plunger pump completes one lifting and lowering, and the plunger pump completes one filling of medicine into the medicine bottle. The two are carried out alternately and in an orderly manner, and coordinated control ensures that the position of the medicine bottle and the filling head always corresponds, avoiding the medicine from being sprayed outward during filling due to misalignment.

[0015] (2) In this invention, the second drive motor drives the crossbar and its rotation. The first conical half gear on the crossbar meshes with the first conical gear and rotates. The first conical gear drives the third rotating rod to rotate one revolution. The cam on the third rotating rod rotates one revolution, causing the connecting plate below and the sealing machine below it to move up and down one cycle, so that the sealing machine fixes the aluminum film to the mouth of the reagent bottle for sealing. Then, the second conical half gear on the crossbar meshes with the second conical gear and rotates. The second conical gear drives the fourth rotating rod to rotate. The fourth rotating rod drives the winding roller to rotate. While completing the sealing of the medicine bottle, the used aluminum film can also be wound to one side in time to avoid affecting the next sealing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2 This is a side view of the structure of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the back connection mechanism of the inverted L-shaped bracket of the present invention; Figure 5 This is a top view of the frame connection structure of the present invention; Figure 6 This is a schematic diagram of the internal connection structure of the sealing box of the present invention; Figure 7 This is a top view of the connection structure between the sealing box and the drive box of the present invention.

[0017] In the diagram: 1. Frame, 2. Conveyor belt, 3. Placement seat, 4. Inverted L-shaped bracket, 5. Piston pump, 6. Sealing box, 7. Sealing machine, 8. Rewinding roller, 9. Aluminum film, 10. First rotating rod, 11. Turntable, 12. Pin, 13. Guide plate, 14. Through groove, 15. First drive motor, 16. Rotating shaft, 17. Half gear, 18. Second rotating rod, 19. First gear, 20. Transmission wheel, 21. Transmission belt, 22. Rotating column, 23. Conveyor roller, 24. Second gear, 25. Slide rod, 26. Connecting plate, 27. Spring, 28. Third rotating rod, 29. Cam, 30. Drive box, 31. Second drive motor, 32. Crossbar, 33. First bevel half gear, 34. First bevel gear, 35. Fourth rotating rod, 36. Second bevel gear, 37. Second bevel half gear. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0019] like Figure 1-7 As shown, a fully automatic pharmaceutical filling and sealing device includes a frame 1, with a support leg fixedly mounted at the bottom of the frame 1. A conveyor belt 2 is rotatably connected inside the frame 1. Placement seats 3 are fixedly and evenly mounted on the conveyor belt 2. A clamping plate is connected to the inner side wall of the placement seat 3 by a spring, and the medicine bottle is fixed on the conveyor belt 2 by the elastic force of the spring. An inverted L-shaped bracket 4 is fixedly mounted on the side wall of the frame 1. A filling component and a sealing component are sequentially mounted on the top of the inverted L-shaped bracket 4. The filling assembly includes a plunger pump 5 fixedly mounted on the inner wall of an inverted L-shaped bracket 4. A medicine tank is fixedly mounted on one side of the top of the plunger pump 5 on the inner wall of the inverted L-shaped bracket 4, and an infusion tube is fixedly mounted on one side of the bottom of the medicine tank. The infusion tube is fixedly connected to one side of the bottom of the plunger pump 5. An outlet tube is provided at the bottom of the plunger pump 5. A one-way valve is fixedly mounted on both the infusion tube and the outlet tube. An adjusting tube is slidably connected to the outlet tube. The inner wall of the adjusting tube is in contact with the outer wall of the outlet tube. A side plate is fixedly mounted on the side wall of the adjusting tube. The top of the side plate is fixedly connected to the bottom of the plunger pump 5 through a first hydraulic rod. A lifting mechanism for the plunger rod of the plunger pump 5 to move up and down is fixedly mounted on the top of the inverted L-shaped bracket 4. A first drive mechanism for the synchronous movement of the conveyor belt 2 and the lifting mechanism is provided on the lower side wall of the inverted L-shaped bracket 4. The sealing assembly includes a sealing box 6 fixedly mounted at the bottom of an inverted L-shaped bracket 4. A second hydraulic rod is fixedly mounted on the top of the inverted L-shaped bracket 4, and the bottom of the second hydraulic rod is fixedly connected to the top of the sealing box 6. A sealing machine 7 that can move up and down is provided in the middle of the bottom of the sealing box 6. A take-up roller 8 is rotatably connected to both sides of the sealing box 6. An aluminum film 9 is connected between the two sets of take-up rollers 8. The aluminum film 9 is located at the bottom of the sealing machine 7. Through holes for the aluminum film 9 to pass through are provided on both sides of the bottom of the sealing box 6. A second drive mechanism for the rotation of the take-up roller 8 and the up and down movement of the sealing machine 7 is provided on one side of the sealing box 6.

[0020] The lifting mechanism includes a first rotating rod 10 rotatably connected to the top of the inverted L-shaped bracket 4. A rotating seat for supporting the rotation of the first rotating rod 10 is fixedly provided on the top of the inverted L-shaped bracket 4. A turntable 11 is fixedly connected to the end of the first rotating rod 10. A pin 12 is fixedly provided on one side of the surface of the turntable 11. The top of the plunger rod of the plunger pump 5 passes through the inverted L-shaped bracket 4 and is fixedly connected to a guide plate 13. A through groove 14 is provided in the guide plate 13, and the pin 12 is slidably connected in the through groove 14.

[0021] The first rotating rod 10 drives the turntable 11 to rotate. The pin 12 on one side of the turntable 11 slides in the through groove 14 while rotating. While sliding, it drives the guide plate 13 to move up and down. The guide plate 13 drives the plunger rod to move up and down, so that the plunger pump 5 draws out the medicine liquid in the medicine tank and fills it into the medicine bottle on the conveyor belt 2.

[0022] The first driving mechanism includes a first driving motor 15 fixedly mounted on one side below the inverted L-shaped bracket 4. The output shaft of the first driving motor 15 is fixedly connected to a rotating shaft 16. A half gear 17 is fixedly sleeved on the rotating shaft 16. A second rotating rod 18 is rotatably connected to the lower side wall of the inverted L-shaped bracket 4. A first gear 19 is fixedly sleeved on one side of the second rotating rod 18. The first gear 19 and the half gear 17 are meshed together. Both the first rotating rod 10 and the second rotating rod 18 are fitted with transmission wheels 20. The two transmission wheels 20 are connected by a transmission belt 21. The outer circumference of the transmission wheel 20 and the inner wall of the transmission belt 21 are provided with meshing teeth, so that the first rotating rod 10 and the second rotating rod 18 can rotate synchronously.

[0023] Rotating columns 22 are rotatably connected to both sides of the frame 1. Conveying rollers 23 are fixedly mounted on the rotating columns 22. The conveyor belt 2 is driven and connected to the conveying rollers 23 on both sides. One rotating column 22 passes through the frame 1 and is fixedly fitted with a second gear 24. The second gear 24 is meshed with a half gear 17.

[0024] By machining chamfers or fillets at the tips of the effective teeth of the half gear, interference caused by sharp tooth tips is avoided. This allows the half gear to first contact the tooth groove side of the full gear with an inclined or arc surface, gradually fitting together to avoid rigid impact. A larger transition fillet is machined at the tooth root (bottom of the tooth groove) of the full gear to increase the tooth groove space and accommodate the tooth tip of the half gear. This allows the guide tooth to first fit into the tooth groove of the full gear with a small contact area, gradually bearing the load and avoiding instantaneous impact. By controlling the installation phase and center distance of the gear and half gear, precise tooth-to-groove alignment is achieved at the start of meshing.

[0025] A pin is installed on the rotating shaft 16, and grooved wheels are provided on the second rotating rod 18 and the rotating column 22. When engaged, the half gear 17 drives the first gear 19 and the second gear 24 to rotate. The pin drives the grooved wheel to rotate synchronously. When disengaged, the locking arc of the grooved wheel fits against the locking surface of the pin, forcing the entire gear to stop. This can eliminate the inertia at the moment of disengagement and make the gear stop precisely in the preset position to ensure precise engagement next time.

[0026] The number of teeth of the half gear 17 is the same as that of the first gear 19 and the second gear 24. When the first drive motor 15 drives the rotating shaft 16 and the half gear 17 to rotate one revolution, the second gear 24 and the first gear 19 will mesh and rotate one revolution in turn. First, the second gear 24 drives the rotating column 22 and the conveyor roller 23 to rotate one revolution. Each revolution of the rotating column 22 moves the medicine bottle on the conveyor belt 2 directly below the plunger pump 5 and the sealing machine 7. The first gear 19 drives the second rotating rod 18 to rotate one revolution. Under the transmission action of the transmission wheel 20 and the transmission belt 21, the first rotating rod 10 rotates synchronously one revolution, so that the plunger rod in the plunger pump 5 completes one lifting and lowering, and the plunger pump 6 completes one filling of medicine into the medicine bottle. The two are carried out alternately and in an orderly manner, and coordinated control ensures that the position of the medicine bottle and the filling head always corresponds, avoiding the medicine from being sprayed outward during filling.

[0027] To allow the bottles time to wait before filling and to prevent filling before the bottles have come to a complete stop, the half gear 17 can also be set as a 2 / 5 gear. Its number of teeth is still the same as that of the first gear 19 and the second gear 24. After the second gear 24 meshes and drives the rotating column 22 and the conveyor roller 23 to rotate one revolution, a certain amount of time is allowed to ensure that the medicine bottles on the conveyor belt 2 are stably stopped at the bottom of the piston pump, further ensuring that the medicine can be accurately filled into the medicine bottles.

[0028] The top of the plunger rod in the plunger pump 5 is fixedly connected to the guide plate 12 via a third hydraulic rod. An adjustment groove is fixedly provided in the middle of the turntable 11, and a fourth hydraulic rod is fixedly provided on one side of the adjustment groove. The end of the fourth hydraulic rod is fixedly connected to a pin. The fourth hydraulic rod drives the pin 12 to move on the surface of the turntable 11, thereby adjusting the distance by which the pin 12 drives the plunger rod to move up and down. At the same time, the third hydraulic rod extends and retracts, so that the plunger rod is adjusted to the corresponding length. Thus, the amount of medicine liquid drawn up and filled is adjusted by moving the plunger rod up and down once.

[0029] A sliding rod 25 is fixedly and slidably connected to the bottom center of the sealing box 6. The bottom of the sliding rod 25 is fixedly connected to the sealing machine 7. A connecting plate 26 is fixedly provided on the top of the sliding rod 25. Springs 27 are fixedly provided between the bottom two sides of the connecting plate 26 and the inner wall of the sealing box 6. A third rotating rod 28 is rotatably connected inside the sealing box 6. A cam 29 is fixedly provided on the third rotating rod 28. The position of the cam 29 corresponds to that of the connecting plate 26.

[0030] The third rotating rod 28 drives the cam 29 to rotate. When the cam 29 rotates to the bottom, it presses down on the connecting plate 26, causing the slide rod 26 at the bottom of the connecting plate 26 and the sealing machine 7 to move downward. The sealing machine 7 then firmly attaches the aluminum film 9 at the bottom to the mouth of the medicine bottle, sealing the medicine bottle. After sealing, the third rotating rod 28 drives the longer end of the cam 29 to rotate upward. Under the reset action of the spring 27, the sealing machine 7 moves upward to return to its original position, completing one sealing of the medicine bottle.

[0031] The second driving mechanism includes a driving box 30 fixedly disposed on one side of the sealing box 6. A second driving motor 31 is fixedly disposed on one side of the driving box 30. A crossbar 32 is fixedly connected to the output shaft of the second driving motor 31. A first bevel half gear 33 is fixedly sleeved in the middle of the crossbar 32. A third rotating rod 28 extends through into the driving box 30 and is fixedly sleeved with a first bevel gear 34. The first bevel gear 34 meshes with the first bevel half gear 33.

[0032] The winding roller 8 is fixedly provided with a fourth rotating rod 35 in the middle. The two ends of the fourth rotating rod 35 are rotatably connected to the inner wall of the sealing box 6. The fourth rotating rod 35 extends through into the drive box 30 and is fixedly fitted with a second bevel gear 36. The crossbar 32 is fixedly fitted with a second bevel half gear 37 on both sides. The second bevel half gear 37 and the second bevel gear 36 are meshed and connected.

[0033] When the first conical half gear 33 meshes with the first conical gear 34, the second conical half gear 37 separates from the second conical gear 36, and the first conical half gear 33 and the first conical gear 34 have the same number of teeth.

[0034] The second drive motor 31 drives the crossbar 32 to rotate. The first bevel gear 33 on the crossbar 32 first meshes with the first bevel gear 34 to rotate. The first bevel gear 34 drives the third rotating rod 28 to rotate one revolution. The cam 29 on the third rotating rod 28 rotates one revolution, causing the connecting plate 26 below and the sealing machine below it to move up and down one cycle, so that the sealing machine 7 fixes the aluminum film 9 to the mouth of the reagent bottle for sealing. Then, the second bevel gear 37 on the crossbar 32 meshes with the second bevel gear 36 to rotate. The second bevel gear 36 drives the fourth rotating rod 35 to rotate. The fourth rotating rod 35 drives the winding roller 8 to rotate, so as to timely wind up the used aluminum film to one side.

[0035] The bevel half gear is designed as a double-lead bevel gear (the tooth thickness varies in a fixed proportion along the tooth width direction). By finely adjusting the axial position of the gear, the meshing backlash is precisely controlled to avoid initial interference caused by excessive backlash. A guide cone surface is machined at the tip of the large end of the effective tooth segment of the bevel half gear. At the same time, matching chamfered cone surfaces are machined on the meshing start side of the two bevel full gears (corresponding to the tooth surface of the large end of the half gear). When meshing begins, the self-centering effect of the cone surface guides the half gear to automatically correct the slight axial deviation, avoiding direct impact of the tooth tip on the tooth surface, achieving smooth engagement, and ensuring smooth meshing between the bevel half gear and the bevel full gear.

[0036] A tapered grooved wheel (the number of grooves is proportional to the number of teeth of the full gear) is installed on the tapered full gear shaft (crossbar 32). A tapered pin (the cone angle is consistent with the grooved wheel) is installed on the half gear shaft (third rotating rod 28 and fourth rotating rod 35). When engaged, the half gear drives the full gear to rotate, and the pin synchronously drives the grooved wheel. When disengaged, the locking arc of the grooved wheel and the locking section of the tapered surface of the pin are tightly fitted, forcing the full gear to stop. The tapered surfaces of the grooved wheel and the pin are consistent with the cone angle of the gear, ensuring that the cone apex coincides when locked.

[0037] A controller is fixedly installed on one side of the frame 1. The controller is communicatively connected to the first drive motor 15 and the second drive motor 31. The controller controls the second drive motor 31 to start when the first drive motor 15 drives the rotating shaft 16 and the half gear 17 to mesh with the first gear 19 to rotate. The second drive motor 31 stops rotating before the half gear 17 meshes with the second gear 24 to ensure that the medicine bottle is stationary on the conveyor belt 2 when the sealing machine 7 moves downward to seal the medicine bottle. The controller controls the second drive motor 31 to rotate until the cam 29 moves downward, causing the sealing machine 7 to move downward to seal the medicine bottle. The motor stops for a certain period of time and then continues to rotate to ensure that the sealing machine 7 fixes the aluminum film 8 to the bottle mouth for the required time.

[0038] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fully automatic filling and sealing device for pharmaceuticals, comprising a frame (1), characterized in that: The frame (1) is rotatably connected to a conveyor belt (2), and a placement seat (3) is fixedly and evenly fixed on the conveyor belt (2). An inverted L-shaped bracket (4) is fixedly provided on the side wall of the frame (1), and a filling component and a sealing component are sequentially provided on the top of the inverted L-shaped bracket (4). The filling assembly includes a plunger pump (5) fixedly disposed on the inner wall of the inverted L-shaped bracket (4). The top of the inverted L-shaped bracket (4) is fixedly provided with a lifting mechanism for the plunger rod of the plunger pump (5) to move up and down reciprocally. The lower side wall of the inverted L-shaped bracket (4) is provided with a first drive mechanism for the synchronous movement of the conveyor belt (2) and the lifting mechanism. The sealing assembly includes a sealing box (6) fixedly mounted on the bottom of an inverted L-shaped bracket (4). A sealing machine (7) that can move up and down is provided in the middle of the bottom of the sealing box (6). A take-up roller (8) is rotatably connected to both the left and right sides of the sealing box (6). An aluminum film (9) is connected between the two sets of take-up rollers (8). The aluminum film (9) is located at the bottom of the sealing machine (7). A second drive mechanism for rotating the take-up roller (8) and moving the sealing machine (7) up and down is provided on one side of the sealing box (6).

2. The fully automatic filling and sealing device for pharmaceutical use according to claim 1, characterized in that: The lifting mechanism includes a first rotating rod (10) rotatably connected to the top of the inverted L-shaped bracket (4). The end of the first rotating rod (10) is fixedly connected to a turntable (11). A pin (12) is fixedly provided on one side of the surface of the turntable (11). The top of the plunger rod of the plunger pump (5) passes through the inverted L-shaped bracket (4) and is fixedly connected to a guide plate (13). A through groove (14) is provided in the guide plate (13). The pin (12) is slidably connected in the through groove (14).

3. The fully automatic filling and sealing device for pharmaceutical use according to claim 2, characterized in that: The first driving mechanism includes a first driving motor (15) fixedly disposed on one side below the inverted L-shaped bracket (4). The output shaft of the first driving motor (15) is fixedly connected to a rotating shaft (16). A half gear (17) is fixedly sleeved on the rotating shaft (16). A second rotating rod (18) is rotatably connected to the lower side wall of the inverted L-shaped bracket (4). A first gear (19) is fixedly sleeved on one side of the second rotating rod (18). The first gear (19) and the half gear (17) are meshed together. A transmission wheel (20) is sleeved on both the first rotating rod (10) and the second rotating rod (18). The two transmission wheels (20) are connected by a transmission belt (21).

4. The fully automatic filling and sealing device for pharmaceutical use according to claim 3, characterized in that: The frame (1) is rotatably connected to two rotating columns (22), and a conveyor roller (23) is fixedly mounted on the rotating column (22). The conveyor belt (2) is driven and connected to the conveyor roller (23) on both sides. The rotating column (22) on one side passes through the frame (1) and is fixedly fitted with a second gear (24). The second gear (24) meshes with a half gear (17).

5. The fully automatic filling and sealing device for pharmaceutical use according to claim 4, characterized in that: The number of teeth of the half gear (17) is the same as the number of teeth of the first gear (19) and the second gear (24).

6. The fully automatic filling and sealing device for pharmaceutical use according to claim 1, characterized in that: The sealing box (6) has a sliding rod (25) fixedly slidably connected to the bottom center. The bottom of the sliding rod (25) is fixedly connected to the sealing machine (7). A connecting plate (26) is fixedly provided on the top of the sliding rod (25). Springs (27) are fixedly provided between the bottom sides of the connecting plate (26) and the inner wall of the sealing box (6). A third rotating rod (28) is rotatably connected inside the sealing box (6). A cam (29) is fixedly provided on the third rotating rod (28). The cam (29) is positioned corresponding to the connecting plate (26).

7. The fully automatic filling and sealing device for pharmaceuticals according to claim 6, characterized in that: The second drive mechanism includes a drive box (30) fixedly disposed on one side of the sealing box (6). A second drive motor (31) is fixedly disposed on one side of the drive box (30). A crossbar (32) is fixedly connected to the output shaft of the second drive motor (31). A first conical half gear (33) is fixedly sleeved in the middle of the crossbar (32). A third rotating rod (28) extends through into the drive box (30) and is fixedly sleeved with a first conical gear (34). The first conical gear (34) meshes with the first conical half gear (33).

8. The fully automatic filling and sealing device for pharmaceutical use according to claim 7, characterized in that: The winding roller (8) is fixedly provided with a fourth rotating rod (35) in the middle. The fourth rotating rod (35) extends through into the drive box (30) and is fixedly fitted with a second bevel gear (36). The crossbar (32) is fixedly fitted with a second bevel half gear (37) on both sides. The second bevel half gear (37) meshes with the second bevel gear (36).

9. A fully automatic filling and sealing device for pharmaceutical use according to claim 8, characterized in that: When the first bevel half gear (33) meshes with the first bevel gear (34), the second bevel half gear (37) separates from the second bevel gear (36).