Tablet production sub-packaging equipment and sub-packaging method

Abstract

The invention belongs to the technical field of medicine processing, and discloses tablet production sub-packaging equipment and a sub-packaging method.The tablet production sub-packaging equipment comprises a screening mechanism which is arranged in the middle of a mounting frame and used for conducting reciprocating screening on tablets in the horizontal direction, and the screening mechanism is arranged in the middle of the mounting frame; comprising a screen box located at the center position of the top of a mounting frame, a through groove formed in the bottom of the screen box, a screen mesh arranged in the through groove in a sliding mode, a fixing frame fixedly arranged on the outer wall of the screen box in a sleeving mode and a driving assembly, and the driving assembly is fixedly connected with the mounting frame through a mounting plate; and the metering mechanism is fixedly installed at the bottom of the collecting box and used for metering and subpackaging the screened tablets, the operation time is shortened, the production efficiency is high, and the production and use cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of pharmaceutical processing, and in particular relates to tablet production and packaging equipment and a packaging method. Background Art

[0002] In the drug production process, the material is first crushed, granulated, and dried, and then made into tablets using a tablet press. Some do not require granulation and drying and are directly pressed into tablets. In order to ensure the safety of medication, promote rational use of medication, and facilitate carrying and storage, the drugs need to be repackaged. The repackaged drugs are smaller in size and lighter in weight, making them easier for patients to carry and store.

[0003] At present, in the process of tablet pressing, granulation and metering and packaging, tablets need to go through two processing steps: screening and metering packaging. This requires two devices, a screening device and a metering and packaging device, to realize this processing. The two devices occupy a large volume, and the whole process requires reciprocating operation, which has low production efficiency and requires at least two driving devices to provide power, which increases the production cost to a certain extent. Since it is a step-by-step operation, the efficiency of tablet packaging is also reduced. At the same time, the existing metering and packaging equipment basically adopts the method of transmitting the measured tablets to the packaging machine through a conveyor belt. Since it is a one-way transmission, the metering hole of the metering and packaging equipment reciprocates in one direction, so there is a problem of low metering efficiency of the metering and packaging equipment. Therefore, a tablet production and packaging equipment and a packaging method are proposed. Summary of the Invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a tablet production and packaging equipment and a packaging method.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a tablet production and packaging device, comprising: a mounting frame, one side of which is fixedly connected to a mounting plate, the top inner wall of the mounting frame having insertion grooves on both sides symmetrically, and the top inner wall having sliding grooves on both sides symmetrically.

[0006] The screening mechanism is arranged in the middle of the mounting frame and is used for reciprocating screening of tablets in the horizontal direction.

[0007] The screening mechanism includes a screen box located at the top center of the mounting frame, a through slot at the bottom of the screen box, a screen mesh slidably arranged inside the through slot, and a fixed frame fixedly sleeved on the outer wall of the screen box.

[0008] The driving assembly is fixedly connected to the mounting frame through a mounting plate and is used to drive the screening mechanism to slide back and forth in a horizontal direction along the mounting frame.

[0009] The metering mechanism is fixedly installed at the bottom of the collecting box and is used for metering and packaging the screened tablets.

[0010] The metering mechanism includes a metering box located at the bottom of the collection box, two connecting brackets fixedly arranged on both symmetrical sides of the top of the metering box and fixedly connected to the mounting frame, a discharge port opened at the bottom of the metering box, a rotating groove opened on the side wall of the metering box, a metering plate rotatably arranged inside the rotating groove, multiple groups of metering holes opened on the metering plate, a limit plate fixedly arranged on the inner wall of the metering box and in rotational contact with the top of the metering plate, and a transmission assembly arranged at the bottom of the metering box for driving the metering plate to rotate and discharge materials.

[0011] Preferably, the four supporting legs of the mounting frame are each provided with a movable groove, and a collecting box located at the bottom of the sieve box is slidably provided on the movable groove. The collecting box can slide on the movable groove, and the collecting box is used to collect residual powder of tablets.

[0012] Preferably, the fixing frame is annular, and two groups of symmetrical connecting frames are fixedly connected to the outer wall thereof, and the sides of the connecting frames away from the fixing frame are rotatably connected to pulleys that can roll along the insertion grooves.

[0013] Preferably, the driving assembly includes a crank hinged on the side of the screen box close to the mounting plate, a driving disk hinged on the end of the crank away from the mounting plate, a driving rod fixedly arranged at the bottom of the driving disk, a first worm gear fixedly mounted at the bottom of the driving rod, and a motor fixedly arranged at the bottom of the first worm gear, the driving rod passes through the mounting plate and is rotatably connected to the mounting plate, the motor drives the first worm gear to rotate, and the driving disk is driven to rotate through the driving rod, and the crank converts the rotation into sliding of the screen box.

[0014] Preferably, an L-shaped supporting plate is fixedly connected to the bottom of the mounting plate, and the bottom of the supporting plate is fixedly connected to the motor, so that the supporting plate provides stable support for the motor.

[0015] Preferably, a limiting component for fixing the screen is provided on the top of the screen box, and the limiting component can prevent the screen from being dislocated during the screening process, thereby ensuring the screening effect and stability of the screen.

[0016] Preferably, the limiting assembly includes a limiting ring located at the top of the screen box, two groups of symmetrical limiting rods fixedly arranged at the bottom of the limiting ring, an electric push rod fixedly installed on both symmetrical sides of the bottom of the limiting ring, and a slider fixedly arranged at the bottom of the electric push rod and slidably connected to the slide groove. The limiting rod slides through the four corners of the screen and is slidably connected to the connecting frame. The electric push rod can slide in the slide groove through the slider to adjust the height of the limiting ring, and then tighten or loosen the screen through the limiting rod, which facilitates the replacement and maintenance of the screen.

[0017] Preferably, the number of the limiting plates and the feeding ports is the same, and at least one set is provided. The limiting plates are made of rubber and are used to prevent tablets from being squeezed.

[0018] The multiple groups of metering holes are distributed in a ring shape on the metering plate, and the multiple groups of metering holes are used to increase the tablet packaging speed.

[0019] Preferably, the transmission assembly includes a transmission rod fixedly arranged at the center position of the bottom of the metering plate and rotatably connected to the bottom of the metering box, a second worm gear fixedly arranged at the bottom of the transmission rod, a bracket fixedly arranged at the bottom of the mounting plate and the metering box respectively, a connecting rod rotatably arranged on the bracket, a first worm and a second worm fixedly arranged on the connecting rod, the first worm and the second worm are respectively engaged with the second worm gear and the first worm gear, and the connecting rod passes through the side of the metering box and is rotatably connected to the side wall of the metering box.

[0020] Preferably, a tablet production and packaging method comprises: Step 1: The tablets to be packaged are sorted through the screening mechanism. The produced tablets are first poured into the screen box, and the drive component drives the screen box to reciprocate horizontally inside the mounting frame, thereby screening the powder in the tablets into the collection box.

[0021] Step 2: Move the collection box out along the movable groove, and use the electric push rod with the top limit ring to move upward, thereby driving the limit rod to move upward and remove the screen, so that the screen can be taken out along the through groove. At this time, the tablets inside the screen box fall into the bottom metering mechanism for metering and packaging.

[0022] Step 3: The metering mechanism is used to achieve rapid metering of the packaged medicines. The metering plate is driven by the transmission component to rotate along the inside of the rotating groove. During the rotation, the tablets on the surface are leveled by the limit plate and fall evenly into the metering holes on the metering plate. When the metering holes rotate to the side corresponding to the discharge port, they fall along the discharge port into the bottom filling bottles for metering and packaging.

[0023] Compared with the prior art, the present invention has the following beneficial effects: The present invention combines the screening mechanism and the metering mechanism together and shares a driving component, thereby realizing the tablet screening function and also measuring and packaging the screened tablets. The overall space occupied by the device is small, the operation time is reduced, the production efficiency is high, and the production and use costs are also reduced.

[0024] Secondly, the present invention provides a metering mechanism composed of a metering box, a metering plate, a limit plate and a transmission assembly. Since the rotating structure can continuously measure the tablets, the packaged tablets can be quickly measured and packaged, thereby improving the metering efficiency of the metering and packaging equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1It is a schematic diagram of the main structure of the present invention; Figure 2 It is a schematic structural diagram of the transmission assembly of the present invention; Figure 3 This is a schematic diagram of the relationship between the drive assembly and the metering box of the present invention; Figure 4 This is a schematic diagram of the relationship between the screen box, the fixing frame and the limiting assembly of the present invention; Figure 5 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 6 for Figure 5 Enlarged view of point A in the middle; Figure 7 Schematic diagram of the relationship between the metering box and the metering plate of the present invention Figure 8 This is a schematic diagram of the baffle installation structure in the present invention.

[0026] In the figure: 1, mounting frame; 11, mounting plate; 12, insertion slot; 13, support plate; 14, movable slot; 15, slide; 2, screening mechanism; 21, screening box; 211, through slot; 22, screen; 23, fixing frame; 231, connecting frame; 232, pulley; 24, driving assembly; 241, crank; 242, driving disk; 243, driving rod; 244, first worm gear; 245, motor; 25, limit assembly; 251, limit Positioning ring; 2511, limiting rod; 252, electric push rod; 253, slider; 3, collecting box; 4, metering mechanism; 41, metering box; 411, connecting bracket; 412, discharge port; 413, rotating groove; 42, metering plate; 421, metering hole; 43, limiting plate; 44, transmission assembly; 441, second worm gear; 442, first worm; 443, connecting rod; 444, bracket; 445, second worm; 45, baffle. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figures 1 to 8 As shown, the present invention provides a tablet production and packaging device, comprising: The mounting frame 1 has a mounting plate 11 fixedly connected to one side thereof. Insertion grooves 12 are symmetrically provided on two sides of the inner wall at the top of the mounting frame 1 , and sliding grooves 15 are symmetrically provided on two sides of the top.

[0029] The screening mechanism 2 is arranged in the middle of the mounting frame 1 and is used for horizontal reciprocating screening of tablets.

[0030] The screening mechanism 2 includes a screen box 21 located at the top center of the mounting frame 1 , a through slot 211 provided at the bottom of the screen box 21 , a screen 22 slidably arranged inside the through slot 211 , and a fixing frame 23 fixedly sleeved on the outer wall of the screen box 21 .

[0031] The driving assembly 24 is fixedly connected to the mounting frame 1 through the mounting plate 11 and is used to drive the screening mechanism 2 to slide back and forth in the horizontal direction along the mounting frame 1.

[0032] The metering mechanism 4 is fixedly mounted on the bottom of the collecting box 3 and is used to meter and pack the screened tablets.

[0033] like Figure 2 、 Figure 3 and Figure 7 The metering mechanism 4 includes a metering box 41 located at the bottom of the collecting box 3, two connecting brackets 411 fixedly arranged on both sides of the top symmetrical of the metering box 41 and fixedly connected to the mounting frame 1, a discharge port 412 opened at the bottom of the metering box 41, a rotating groove 413 opened on the side wall of the metering box 41, a metering plate 42 rotatably arranged inside the rotating groove 413, a plurality of groups of metering holes 421 are opened on the metering plate 42, a limit plate 43 fixedly arranged on the inner wall of the metering box 41 and in rotational contact with the top of the metering plate 42, and a transmission component 44 arranged at the bottom of the metering box 41 for driving the metering plate 42 to rotate and discharge materials.

[0034] The above scheme is adopted: first, the driving component 24 is used to drive the screening mechanism 2 to screen the residual powder in the tablet production process, and the screened tablets are placed in the metering plate 42, and then the driving component 24 drives the metering mechanism 4 to complete the metering and packaging through the metering hole 421.

[0035] like Figure 3 and Figure 5 The four supporting legs of the mounting frame 1 are all provided with a movable groove 14, and a collecting box 3 located at the bottom of the sieve box 21 is slidably provided on the movable groove 14. The collecting box 3 can slide on the movable groove 14, and the collecting box 3 is used to collect the residual powder of the tablets.

[0036] like Figure 1 and Figure 4 The fixing frame 23 is annular, and two sets of symmetrical connecting frames 231 are fixedly connected to its outer wall. The connecting frames 231 are rotatably connected to a pulley 232 that can roll along the insertion groove 12 on one side away from the fixing frame 23 .

[0037] like Figure 3The driving assembly 24 includes a crank 241 hinged on the side of the sieve box 21 close to the mounting plate 11, a driving disk 242 hinged on the end of the crank 241 away from the mounting plate 11, a driving rod 243 fixedly arranged at the bottom of the driving disk 242, a first worm gear 244 fixedly mounted at the bottom of the driving rod 243, and a motor 245 fixedly arranged at the bottom of the first worm gear 244. The driving rod 243 passes through the mounting plate 11 and is rotatably connected to the mounting plate 11. The motor 245 drives the first worm gear 244 to rotate, and drives the driving disk 242 to rotate through the driving rod 243, and then the crank 241 converts the rotation into sliding of the sieve box 21.

[0038] like Figure 2 and Figure 3 The transmission assembly 44 includes a transmission rod fixed at the bottom center of the metering plate 42 and rotatably connected to the bottom of the metering box 41, a second worm gear 441 fixed at the bottom of the transmission rod, a bracket 444 fixed at the bottom of the mounting plate 11 and the metering box 41 respectively, a connecting rod 443 rotatably set on the bracket 444, a first worm 442 and a second worm 445 fixed on the connecting rod 443, the first worm 442 and the second worm 445 are respectively engaged with the second worm gear 441 and the first worm gear 244, and the connecting rod 443 passes through the side of the metering box 41 and is rotatably connected to the side wall of the metering box 41.

[0039] The above scheme is adopted: by utilizing the transmission assembly 44, when the motor 245 drives the driving rod 243 to rotate, it synchronously drives the first worm gear 244 to rotate, and the first worm gear 244 drives the second worm 445 to rotate, thereby driving the entire connecting rod 443 and the first worm 442 to rotate synchronously, and the first worm 442 drives the second worm gear 441 engaged with it to rotate, thereby driving the transmission rod to rotate, and driving the metering plate 42 to rotate inside the metering box 41, thereby achieving a rapid linkage effect.

[0040] An L-shaped supporting plate 13 is fixedly connected to the bottom of the mounting plate 11 . The bottom of the supporting plate 13 is fixedly connected to the motor 245 . The supporting plate 13 provides stable support for the motor 245 .

[0041] A limiting assembly 25 for fixing the screen 22 is provided on the top of the screen box 21 . The limiting assembly 25 can prevent the screen 22 from being dislocated during the screening process, thereby ensuring the screening effect and stability of the screen 22 .

[0042] like Figure 4The limiting assembly 25 includes a limiting ring 251 located at the top of the screen box 21, two groups of symmetrical limiting rods 2511 fixedly arranged at the bottom of the limiting ring 251, an electric push rod 252 fixedly installed on both sides of the bottom of the limiting ring 251, and a slider 253 fixedly arranged at the bottom of the electric push rod 252 and slidingly connected to the slide 15. The limiting rod 2511 slides through the four corners of the screen 22 and is slidingly connected to the connecting frame 231. The electric push rod 252 can slide in the slide 15 through the slider 253 to adjust the height of the limiting ring 251, and then tighten or loosen the screen 22 through the limiting rod 2511, which facilitates the replacement and maintenance of the screen 22.

[0043] The above scheme is adopted: the screen 22 and the screen box 21 are quickly fixed and limited by using the limit assembly 25 to prevent the screen 22 from being displaced out of the screen box 21 during the screening process, and the screened powder falls into the bottom collection box 3 for unified collection. After the screening is completed, the collection box 3 is moved out along the movable groove 14, and the electric push rod 252 is used to move the top limit ring 251 upward, thereby driving the limit rod 2511 to move upward and remove the screen 22, so that the screen 22 can be taken out along the through groove 211. At this time, the tablets inside the screen box 21 fall into the bottom metering mechanism 4 for metering and packaging. If screening is to be performed again, the screen 22 is slid and inserted along the through groove 211, and the electric push rod 252 is used to drive the limit ring 251 and the limit rod 2511 to move downward and slide and plug into the screen 22, so as to achieve the effect of rapid limit and fixation.

[0044] The number of the limiting plates 43 and the feeding ports 412 is the same, and at least one group is provided. According to production requirements, two or more groups can be provided, which can greatly improve the metering and packaging efficiency.

[0045] The limiting plate 43 is made of rubber and is used to prevent the tablets from being squeezed.

[0046] The multiple groups of metering holes 421 are distributed in a ring shape on the metering plate 42 , and the multiple groups of metering holes 421 are used to increase the tablet packaging speed.

[0047] A baffle 45 is fixedly mounted on the limiting plate 43 , and the baffle 45 can prevent the occurrence of metering errors caused by the tablets passing over the limiting plate 43 .

[0048] A tablet production and packaging method, comprising: Step 1: The tablets to be packaged are sorted through the screening mechanism 2, and the produced tablets are first poured into the screen box 21. The driving component 24 drives the screen box 21 to reciprocate horizontally inside the mounting frame 1, and then the powder in the tablets is screened into the collection box 3.

[0049] Step 2: Move the collection box 3 out along the movable groove 14, and use the electric push rod 252 to move the top limit ring 251 upward, thereby driving the limit rod 2511 to move upward, and move out the screen 22, so that the screen 22 can be taken out along the through groove 211. At this time, the tablets inside the screen box 21 fall into the bottom metering mechanism 4 for metering and packaging.

[0050] Step 3: Rapid metering of the packaged medicine is achieved by utilizing the metering mechanism 4. The transmission assembly 44 drives the metering plate 42 to rotate along the inside of the rotating groove 413. During the rotation, the tablets on the surface are evenly swept by the limiting plate 43 and fall into the metering hole 421 on the metering plate 42. When the metering hole 421 rotates to the side corresponding to the discharge port 412, the tablets fall into the bottom filling bottle along the discharge port 412 for metering and packaging.

[0051] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A tablet production and packaging equipment, characterized in that: include: A mounting frame (1) having a mounting plate (11) fixedly connected to one side thereof, wherein the top inner wall of the mounting frame (1) is provided with insertion grooves (12) on both sides thereof, and slide grooves (15) are provided on both sides thereof; A screening mechanism (2) is provided in the middle of the mounting frame (1) and is used for reciprocating screening of tablets in a horizontal direction; The screening mechanism (2) comprises a screen box (21) located at the top center of the mounting frame (1), a through slot (211) provided at the bottom of the screen box (21), a screen (22) slidably arranged inside the through slot (211), and a fixing frame (23) fixedly sleeved on the outer wall of the screen box (21); A drive assembly (24), the drive assembly (24) being fixedly connected to the mounting frame (1) via the mounting plate (11), and being used to drive the screening mechanism (2) to slide back and forth in a horizontal direction along the mounting frame (1); A metering mechanism (4) is fixedly mounted on the bottom of the collecting box (3) and is used for metering and packaging the screened tablets; The metering mechanism (4) includes a metering box (41) located at the bottom of the collecting box (3), two connecting brackets (411) fixedly arranged on two symmetrical sides of the top of the metering box (41) and fixedly connected to the mounting frame (1), a discharge port (412) provided at the bottom of the metering box (41), a rotation groove (413) provided on the side wall of the metering box (41), a metering plate (42) rotatably arranged inside the rotation groove (413), the metering plate (42) having multiple groups of metering holes (421) provided on the metering plate (42), a limit plate (43) fixedly arranged on the inner wall of the metering box (41) and in rotational contact with the top of the metering plate (42), and a transmission assembly (44) provided at the bottom of the metering box (41) for driving the metering plate (42) to rotate and discharge the material.

2. The tablet production and packaging equipment according to claim 1, characterized in that: The four supporting legs of the mounting frame (1) are each provided with a movable groove (14), and a collecting box (3) located at the bottom of the sieve box (21) is slidably provided on the movable groove (14). The collecting box (3) can slide on the movable groove (14), and the collecting box (3) is used to collect residual powder of tablets.

3. The tablet production and packaging equipment according to claim 1, characterized in that: The fixing frame (23) is annular, and two groups of symmetrical connecting frames (231) are fixedly connected to its outer wall. The connecting frames (231) are rotatably connected to a pulley (232) that can roll along the insertion groove (12) on one side away from the fixing frame (23).

4. The tablet production and packaging equipment according to claim 1, characterized in that: The driving assembly (24) comprises a crank (241) hinged on a side of the sieve box (21) close to the mounting plate (11), a driving disk (242) hinged on an end of the crank (241) away from the mounting plate (11), a driving rod (243) fixedly arranged at the bottom of the driving disk (242), a first worm gear (244) fixedly mounted at the bottom of the driving rod (243), and a motor (245) fixedly arranged at the bottom of the first worm gear (244), wherein the driving rod (243) passes through the mounting plate (11) and is rotationally connected to the mounting plate (11), and the motor (245) drives the first worm gear (244) to rotate, drives the driving disk (242) to rotate through the driving rod (243), and then the crank (241) converts the rotation into sliding of the sieve box (21).

5. The tablet production and packaging equipment according to claim 1, characterized in that: An L-shaped support plate (13) is fixedly connected to the bottom of the mounting plate (11), and the bottom of the support plate (13) is fixedly connected to the motor (245). The support plate (13) provides stable support for the motor (245).

6. The tablet production and packaging equipment according to claim 4, characterized in that: A limiting assembly (25) for fixing the screen (22) is provided on the top of the screen box (21). The limiting assembly (25) can prevent the screen (22) from being dislocated during the screening process, thereby ensuring the screening effect and stability of the screen (22).

7. The tablet production and packaging equipment according to claim 6, characterized in that: The limiting assembly (25) includes a limiting ring (251) located at the top of the screen box (21), two groups of symmetrical limiting rods (2511) fixedly arranged at the bottom of the limiting ring (251), an electric push rod (252) fixedly installed on both sides of the bottom of the limiting ring (251) symmetrically, and a slider (253) fixedly arranged at the bottom of the electric push rod (252) and slidably connected to the slide groove (15), the limiting rod (2511) slides through the four corners of the screen (22) and is slidably connected to the connecting frame (231), the electric push rod (252) can slide in the slide groove (15) through the slider (253), adjust the height of the limiting ring (251), and then tighten or loosen the screen (22) through the limiting rod (2511), so as to facilitate the replacement and maintenance of the screen (22).

8. The tablet production and packaging equipment according to claim 1, characterized in that: The number of the limiting plates (43) and the number of the feeding ports (412) are the same, and at least one set is provided. The limiting plates (43) are made of rubber and are used to prevent tablets from being squeezed. The multiple groups of metering holes (421) are distributed in a ring shape on the metering plate (42), and the multiple groups of metering holes (421) are used to increase the tablet packaging speed.

9. The tablet production and packaging equipment according to claim 7, characterized in that: The transmission assembly (44) comprises a transmission rod fixedly arranged at the center position of the bottom of the metering plate (42) and rotatably connected to the bottom of the metering box (41), a second worm gear (441) fixedly arranged at the bottom of the transmission rod, a bracket (444) fixedly arranged at the bottom of the mounting plate (11) and the metering box (41), a connecting rod (443) rotatably arranged on the bracket (444), a first worm gear (442) and a second worm gear (445) fixedly arranged on the connecting rod (443), the first worm gear (442) and the second worm gear (445) respectively meshing with the second worm gear (441) and the first worm gear (244), and the connecting rod (443) passing through the side of the metering box (41) and rotatably connected to the side wall of the metering box (41); A baffle (45) is fixedly mounted on the limiting plate (43).

10. A tablet production and packaging method, applied to the tablet production and packaging equipment according to claim 9, characterized in that: Step 1: The tablets to be packaged are sorted by passing them through the screening mechanism (2), firstly the produced tablets are poured into the screen box (21), and the driving component (24) is used to drive the screen box (21) to reciprocate horizontally inside the mounting frame (1), thereby screening the powder in the tablets into the collection box (3); Step 2: Move the collection box (3) out along the moving groove (14), and use the electric push rod (252) to move the top limiting ring (251) upward, thereby driving the limiting rod (2511) to move upward, and remove the screen (22), so that the screen (22) can be taken out along the through groove (211). At this time, the tablets inside the screen box (21) fall into the bottom metering mechanism (4) for metering and packaging; Step 3: The metering mechanism (4) is used to achieve rapid metering of the packaged medicine. The metering plate (42) is driven by the transmission assembly (44) to rotate along the inside of the rotating groove (413). During the rotation, the tablets on the surface are evenly swept by the limiting plate (43) and fall into the metering hole (421) on the metering plate (42). When the metering hole (421) rotates to the side corresponding to the discharge port (412), the tablets fall into the bottom filling bottle along the discharge port (412) for metering and packaging.

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