Medicine filling machine

Abstract

The application relates to a medicine filling machine and belongs to the technical field of pharmaceutical equipment. The technical problem that defective medicine tablets cannot be screened and thus mixed in the package is solved. The medicine filling machine comprises a vibrating disc, a feeding pipe, a conveying belt and a metering piece. One end of the feeding pipe is connected with the inside of the vibrating disc. The distance between the axis of the feeding pipe and the bottom of the vibrating disc gradually decreases in the direction away from the vibrating disc. A material leakage groove penetrating through the side wall of the feeding pipe in the axial direction is formed in the feeding pipe, and the material leakage groove is arranged towards the vibrating disc. The conveying belt is installed on the feeding pipe. One side of the conveying belt is located on the inner wall of the feeding pipe close to the vibrating disc and is used for abutting against the medicine tablets. One side of the conveying belt located in the feeding pipe moves towards the vibrating disc to drive the medicine tablets to rotate in the feeding pipe. The metering piece is provided with a feeding port and a discharging port for discharging the medicine tablets into a medicine bottle, and the feeding port is located below the other end of the feeding pipe away from the vibrating disc.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of pharmaceutical equipment, and particularly relates to a medicine filling machine. BACKGROUND

[0002] The medicine filling machine is a mechanical device for placing medicine tablets into a package.

[0003] According to the application search announcement No. CN201729277U tablet filling device and tablet feeder, a tablet filling device is mentioned, which comprises a power device, at least two vertical rotating brushes and a medicine blocking plate. The vertical rotating brush comprises a rotating disc and at least one column of vertical brushes arranged in a strip shape and fixed on the rotating disc. The medicine blocking plate is arranged around the vertical rotating brush. The rotating disc is connected with the power device, and the power device can drive the rotating disc to rotate. The plastic film plate is located below the vertical rotating brush and the medicine blocking plate, and a plurality of concave bubble caps are arranged on the plastic film plate. The rotating direction of at least one vertical rotating brush is opposite to that of the remaining vertical rotating brushes.

[0004] However, the above-mentioned technology still has the following problems. The shape of the medicine tablet is often incomplete due to transportation and other reasons during the manufacturing process. However, the above-mentioned patent technology cannot screen the shape of the incomplete medicine tablet, so that the shape of the incomplete medicine tablet is mixed in the package. SUMMARY

[0005] The present application provides a medicine filling machine, which is used to solve the technical problem that the prior art cannot screen the shape of the incomplete medicine tablet, so that the shape of the incomplete medicine tablet is mixed in the package.

[0006] In order to achieve the above-mentioned purpose, the present application realizes the following technical scheme: a medicine filling machine comprises a vibrating disc, a feeding pipe, a conveying belt and a metering piece. One end of the feeding pipe is connected with the inside of the vibrating disc. The distance between the axis of the feeding pipe and the bottom of the vibrating disc gradually decreases in the direction away from the vibrating disc. A leakage slot penetrating through the side wall of the feeding pipe in the axial direction is formed on the feeding pipe, and the leakage slot is arranged towards the vibrating disc. The conveying belt is installed on the feeding pipe. One side of the conveying belt is located on the inner wall of the feeding pipe close to the vibrating disc, and is used to abut against the medicine tablet. One side of the conveying belt located in the feeding pipe moves towards the vibrating disc to drive the medicine tablet to rotate in the feeding pipe. The metering piece has a feeding port and a discharging port for discharging the medicine tablet into the medicine bottle. The feeding port is located below the other end of the feeding pipe away from the vibrating disc, and is used to receive the medicine tablet discharged from the feeding pipe.

[0007] Through the above structure, the medicine filling machine can screen the defective tablets. Specifically, the tablets are introduced into the vibrating disc, and then the vibrating disc is started to drive the tablets to be orderly arranged into the feeding pipe. Then the tablets move along the feeding pipe to the direction close to the dosing member under the action of gravity. At this time, part of the defective tablets leak out from the leakage groove, and another part of the defective tablets move along the feeding pipe to the direction close to the dosing member, and then the conveying belt rotates to drive the tablets abutting against the conveying belt to rotate, so that another part of the defective tablets rotate to leave the feeding pipe from the leakage groove, so that the tablets with complete shape enter the dosing member and enter the medicine bottle from the discharge port.

[0008] Optionally, the dosing member comprises a funnel, a mounting pipe and a fan. The funnel has a large-diameter end and a small-diameter end, the large-diameter end is located below the other end of the feeding pipe away from the vibrating disc and has a feeding port. The small-diameter end is installed in the middle of the mounting pipe and is in communication with the inside of the mounting pipe. One end of the mounting pipe is installed on the fan and is in communication with the inside of the fan. The discharge port is located on the other end of the mounting pipe away from the fan, and the mounting pipe has an air outlet hole on the side wall close to the leakage groove, and the air outlet hole is located between the small-diameter end and the discharge port. The fan is used to drive the external air into the mounting pipe and leave the mounting pipe through the air outlet hole. To drive the tablets to move from the small-diameter end to the direction close to the discharge port. Such a design makes the dosing member better receive the tablets discharged from the feeding pipe.

[0009] Optionally, the mounting pipe comprises a first sub-pipe, a second sub-pipe and a third sub-pipe. One end of the first sub-pipe is installed on the fan and is in communication with the inside of the fan. The fan is used to drive the external air into the first sub-pipe. The inner diameter of the first sub-pipe gradually decreases in the direction away from the fan. One end of the second sub-pipe is installed on the other end of the first sub-pipe. And in communication with the first sub-pipe The small-diameter end is installed on the side wall of the first sub-pipe and is in communication with the inside of the second sub-pipe. The third sub-pipe is installed on the other end of the second sub-pipe. And in communication with the second sub-pipe, and extends away from the funnel. The air outlet hole is located in the middle of the third sub-pipe, and the discharge port is located on the end of the third sub-pipe away from the second sub-pipe. Such a design of the first sub-pipe makes the air discharged by the fan accelerate at the first sub-pipe, so that the tablets can move faster to the direction close to the discharge end.

[0010] Optionally, the medicine filling machine further comprises an air outlet pipe and a solenoid valve. One end of the air outlet pipe is installed on the third sub-pipe and is in communication with the inside of the third sub-pipe through the air outlet hole. The solenoid valve is installed on the end of the air outlet pipe away from the third sub-pipe and is used to open and close the air outlet hole.

[0011] Optionally, a medicine filling machine further includes a photoelectric sensor and a control board. The photoelectric sensor is mounted within the second sub-tube, below the smaller end. The control board is electrically connected to the solenoid valve, photoelectric sensor, blower, and vibrating plate. This design enables the metering element to count the number of tablets passing through the photoelectric sensor, facilitating the control board's control of the vibrating plate and blower to meter the tablets into the bottle.

[0012] Optionally, the angle formed between the lower edge of the cross section of the feeding pipe and the bottom of the vibrating plate is an acute angle. Such a design allows the tablets to preferentially abut against the inner wall of the feeding pipe away from the conveyor belt under the action of gravity.

[0013] Optionally, the medicine filling machine further includes a collection box mounted on the vibrating plate and located below the leakage chute. The collection box is provided with a collection port communicating with the interior of the collection box, the collection port being located on a side of the collection box facing the leakage chute. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 A schematic structural diagram of a medicine filling machine provided by an embodiment of the present invention;

[0016] Figure 2 for Figure 1 A schematic diagram of the structure of a medicine filling machine in the direction A;

[0017] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0018] Figure 4 for Figure 1 A schematic diagram of the structure of a medicine filling machine in the middle C direction;

[0019] Figure 5 A cross-sectional view of a feed pipe provided in an embodiment of the present invention;

[0020] Figure 6 A schematic structural diagram of a metering element provided in an embodiment of the present invention;

[0021] Figure 7 A cross-sectional view of a mounting tube according to an embodiment of the present invention.

[0022] In the picture:

[0023] 1-vibration disc; 2-feeding pipe; 201-waste slot; 202-strip hole; 21-conveying belt; 3-dosing member; 301-inlet; 302-outlet; 303-air outlet; 31-hopper; 311-large diameter end; 312-small diameter end; 32-mounting pipe; 321-first sub-pipe; 322-second sub-pipe; 323-third sub-pipe; 324-air outlet pipe; 325-solenoid valve; 326-photoelectric sensor; 33-fan; 4-collection box; 41-collection port; 5-complete tablet; 51-incomplete tablet. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described in detail below with reference to the drawings.

[0025] In the description of the present application, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] The terms "first", "second" are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0027] In the description of the present application, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] EMBODIMENT

[0029] According to the applicant's search, a tablet filling device and a tablet feeder with announcement number CN201729277U are mentioned, which include a power device, at least two vertical rotating brushes and a medicine baffle plate. The vertical rotating brush includes a turntable and at least one row of vertical brushes arranged in a strip shape fixed on the turntable; the medicine baffle plate is arranged around the vertical rotating brush, and the turntable is connected to the power device, and the power device can drive the turntable to rotate; the plastic film plate is located below the vertical rotating brush and the medicine baffle plate, and a plurality of concave blisters are provided on the plastic film plate; the rotation direction of at least one vertical rotating brush is opposite to the rotation direction of the other vertical rotating brushes.

[0030] However, the above technology still has the following problems: tablets often have incomplete shapes due to transportation and other reasons during the manufacturing process, but the above patented technology cannot screen out tablets with incomplete shapes, resulting in incomplete tablets being mixed into the packaging.

[0031] In order to solve the above technical problems, this embodiment provides a medicine filling machine, such as Figure 1 and Figure 3 The medicine filling machine shown includes a vibration plate 1 , a feeding pipe 2 , a conveyor belt 21 and a dosing element 3 .

[0032] The vibrating disk 1 is a vibrating disk hopper produced by Qiju Vibrating Disk Equipment Factory, which is a prior art. A pulse electromagnet is provided under the vibrating disk 1, which is continuously powered on and off to make the vibrating disk 1 vibrate in the vertical direction. At the same time, the inclined spring sheet drives the vibrating disk 1 to perform torsional vibration around its vertical axis. The tablets in the vibrating disk 1 rise along the spiral track due to this vibration. During the rising process, after a series of track screening or posture changes, the tablets can enter the feed pipe 2 in a direction parallel to the track. The conveyor belt 21 is a micro conveyor belt 21 with its own micro motor, which is a prior art, so it will not be described in detail here.

[0033] One end of the feeding pipe 2 is connected to the inside of the vibrating plate 1. Figure 2 The distance H between the axis of the feeding pipe 2 and the bottom of the vibrating plate 1 gradually decreases in the direction away from the vibrating plate 1. This drives the tablets to move along the axis of the feeding pipe 2 in the direction N1 toward the dosing member 3. Figure 3 The feed pipe 2 is provided with a leakage groove 201 which runs through the side wall of the feed pipe 2 in the axial direction, and the leakage groove 201 is arranged toward the vibration plate 1. Figure 3 As shown, a strip hole 202 is provided on the feeding pipe 2. The strip hole 202 is located on the side of the feeding pipe 2 close to the vibration plate 1. The conveyor belt 21 is installed in the strip hole 202. Figure 5The shown conveying belt 21 is located on one side of the inner wall of the feed pipe 2 close to the vibrating disc 1 and is used to abut the tablets. The conveying belt 21 on one side in the feed pipe 2 moves in the N2 direction to the direction close to the vibrating disc 1 to drive the tablets to rotate in the W direction in the feed pipe 2. As shown in the figure Figure 1 The shown dosing member 3 has an inlet 301 and an outlet 302 for discharging tablets into the medicine bottle. The inlet 301 is located below the other end of the feed pipe 2 away from the vibrating disc 1 and is used to receive the tablets discharged from the feed pipe 2.

[0034] Through the above structure, the medicine filling machine provided by the embodiment can screen the tablets with incomplete shape. Specifically, the tablets are introduced into the vibrating disc 1, and then the vibrating disc 1 is started to drive the tablets to be orderly arranged and immersed into the feed pipe 2. The pulse electromagnet is continuously powered on and powered off to make the vibrating disc 1 vibrate vertically, and the vibrating disc 1 is driven by the inclined spring sheet to make a torsional vibration around its vertical axis. The tablets in the vibrating disc 1 ascend along the spiral track due to the vibration. In the process of ascending, the tablets can enter the feed pipe 2 in the direction parallel to the track after a series of track screening or posture changes. Then the tablets move in the N1 direction along the axis of the feed pipe 2 to the direction close to the dosing member 3 under the action of gravity. As shown in the figure Figure 5 At this time, part of the tablets with incomplete shape leak out from the leakage groove 201, and the other part of the tablets with incomplete shape 51 move along the feed pipe 2 to the direction close to the dosing member 3. Then the conveying belt 21 rotates in the N2 direction to drive the tablets abutting the conveying belt 21 to rotate in the W direction, so that the other part of the tablets with incomplete shape 51 rotates, so that the tablets with incomplete shape 51 leave the feed pipe 2 from the leakage groove 201. So that the tablets with complete shape enter the dosing member 3 and enter the medicine bottle from the outlet 302.

[0035] Based on the above, in order to facilitate the dosing member 3 to receive the tablets. As shown in the figure Figure 6 The funnel 31 has a large-diameter end 311 and a small-diameter end 312. The large-diameter end 311 is located below the other end of the feed pipe 2 away from the vibrating disc 1 and has an inlet 301. The small-diameter end 312 is installed in the middle of the mounting pipe 32 by welding and is connected with the inside of the mounting pipe 32. One end of the mounting pipe 32 is installed on the fan 33 and is connected with the inside of the fan 33. The outlet 302 is located on the other end of the mounting pipe 32 away from the fan 33. The mounting pipe 32 has an air outlet hole 303 on the side wall close to the leakage groove 201, and the air outlet hole 303 is located between the small-diameter end 312 and the outlet 302. Specifically, the fan 33 is used to drive the external air into the mounting pipe 32 and leave the mounting pipe 32 through the air outlet hole 303. To drive the tablets to move from the small-diameter end 312 to the direction close to the outlet 302.

[0036] Based on the above, in order to speed up the rate of the tablets moving close to the outlet. As shown in the figure Figure 7The shown installation pipe 32 includes a first sub-pipe 321, a second sub-pipe 322 and a third sub-pipe 323. One end of the first sub-pipe 321 is installed on the fan 33 and communicates with the inside of the fan 33. The fan 33 is used to drive external air into the first sub-pipe 321. The inner diameter of the first sub-pipe 321 gradually decreases in the direction away from the fan 33. One end of the second sub-pipe 322 is installed on the other end of the first sub-pipe 321. And communicates with the first sub-pipe 321. The small-diameter end 312 is installed on the side wall of the first sub-pipe 321 and communicates with the inside of the second sub-pipe 322. The third sub-pipe 323 is installed on the other end of the second sub-pipe 322. And communicates with the second sub-pipe 322, and extends away from the hopper 31. The air outlet hole 303 is located in the middle of the third sub-pipe 323, and the discharge port 302 is located on the end of the third sub-pipe 323 away from the second sub-pipe 322. In this way, the air discharged by the fan 33 passes through the first sub-pipe 321, and due to the cross-sectional area of the first sub-pipe 321 gradually decreasing in the direction approaching the second sub-pipe 322. The speed of the air in the first sub-pipe 321 increases. To drive the tablets to move faster in the direction approaching the discharge end.

[0037] Based on the above, in order to prevent dust from entering the sub-pipe through the air outlet hole 303 when not in use, it is not easy to clean. As Figure 7 The shown medicine filling machine also includes an air outlet pipe 324 and a solenoid valve 325. The solenoid valve 325 is a gas solenoid valve 325 produced by Shanghai Beisi Special Technology Co., Ltd. It is prior art. One end of the air outlet pipe 324 is installed on the third sub-pipe 323 and communicates with the inside of the third sub-pipe 323 through the air outlet hole 303. The solenoid valve 325 is installed on the end of the air outlet pipe 324 away from the third sub-pipe 323, and is used to open and close the air outlet hole 303. Specifically, the air outlet hole 303 is closed by the solenoid valve 325, so as to prevent dust from falling into the third sub-pipe 323.

[0038] Based on the above, in order to facilitate counting the tablets. As Figure 7The shown medicine filling machine also comprises photoelectric sensors 326 and a control mainboard. The photoelectric sensors 326 are infrared reflective photoelectric sensors 326 in compliance with the national standard. The control mainboard comprises a CD4013 chip for emitting pulses and four CD40110 chips for constituting counting, decoding, latching and driving display circuits. In operation, the infrared light emitting diode of the photoelectric sensor 326 emits infrared light to detect whether there is an object in front. If there is no object in front, the emitted infrared light is not emitted back, and the photoelectric transistor is in a cut-off state. If there is an object in front, the emitted infrared light is emitted back by the object and is received by the photoelectric transistor to make it conductive. In the static state, when there is no article on the pipeline, both photoelectric sensors 326 output low level, D=0 of the CD4013, RD=1, CP=0, and the output Q=0 of the CD4013. This is the initial state of the entire circuit, which prepares for automatic counting of products.

[0039] When there is a product passing through the photoelectric sensor 326 and the direction is from the small diameter end 312 to the discharge port 302, then the previous photoelectric sensor 326 will detect the object first, making the photoelectric transistor conductive and outputting a high level. After two stages of inverters, the output is output to the CD4013, and the potential of each point of the CD4013 changes as follows: D=1, RD=0, CP=0 (at this time, the next photoelectric sensor 326 has not detected the object. When the object continues to move through the next photoelectric sensor 326 while also being within the range of the previous photoelectric sensor 326, the next photoelectric sensor 326 is also triggered to output a high level, making the CP end of the CD4013 input a rising edge pulse, so that the output Q=D=1 of the CD4013. The CD4013 outputs a counting pulse to the CD40110, so that the CD40110 counts plus 1 to complete the counting of the tablet.

[0040] The photoelectric sensor 326 is installed in the second sub-pipe 322 and located below the small diameter end 312. The control mainboard is electrically connected with the electromagnetic valve 325, the photoelectric sensor 326, the fan 33 and the vibration disc 1. It should be noted that the photoelectric sensor 326 is two and the distance between the two photoelectric sensors 326 should be less than the size of the tablet.

[0041] Based on the above. As shown in the figure Figure 4 The cross section of the lower edge of the feeding pipe 2 and the angle between the bottom of the vibration disc 1 is α, which is an acute angle. Such design makes the tablet preferentially abut the inner wall of the feeding pipe 2 away from the conveying belt 21 under the action of gravity.

[0042] Based on the above, to facilitate the collection of defective tablets 51, a pharmaceutical filling machine further includes a collection box 4. This collection box 4 is mounted on the vibrating plate 1 and is located below the leakage chute 201. A collection port 41 is defined in the collection box 4, communicating with the interior of the collection box 4. This port 41 is located on the side of the collection box 4 facing the leakage chute 201. Thus, after the defective tablets 51 leave the feed pipe from the leakage chute 201, they enter the collection box 4 through the collection port 41 and are collected for easy recycling.

[0043] In summary, in the process of filling medicines, first, the tablets are introduced into the vibrating disk 1, and then the vibrating disk 1 is started to drive the tablets to be arranged in an orderly manner and immersed in the feed pipe 2. The pulse electromagnet is continuously powered on and off to make the vibrating disk 1 vibrate in the vertical direction, and at the same time, the inclined spring sheet drives the vibrating disk 1 to perform torsional vibration around its vertical axis. The tablets in the vibrating disk 1 rise along the spiral track due to this vibration. During the rising process, after a series of track screening or posture changes, the tablets can enter the feed pipe 2 in a direction parallel to the track. Subsequently, under the action of gravity, the tablets move along the N1 direction along the axis of the feed pipe 2 toward the dosing piece 3. As Figure 5 As shown, some damaged tablets leak out of the chute 201, while other damaged tablets 51 move along the feed pipe 2 toward the dosing element 3. The conveyor belt 21 then rotates in the N2 direction, driving the tablets in contact with the conveyor belt 21 to rotate in the W direction, causing the remaining damaged tablets 51 to rotate, allowing them to exit the feed pipe 2 from the chute 201. These tablets then pass through the collection port 41 and enter the collection bin 4 for easy recycling. This allows intact tablets to enter the hopper 31 and, from there, into the second sub-tube 322. As the air exhausted by the fan 33 passes through the first sub-tube 321, the cross-sectional area of ​​the first sub-tube 321 gradually decreases as it approaches the second sub-tube 322. This causes the air to accelerate within the first sub-tube 321, driving the tablets toward the discharge end more quickly. These tablets pass through the photoelectric sensor 326 to be counted, and then enter the pharmaceutical product through the discharge port 302. When the count reaches the target, the control board issues a command to turn off the fan 33 and the vibrating plate 1, so that the medicine no longer enters the feeding pipe 2, and the fan 33 no longer drives air into the mounting pipe 32. Until the next medicine bottle is located below the discharge port 302.

[0044] As can be seen from the above, the medicine filling machine provided in this embodiment is capable of screening tablets with defective shapes.

[0045] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope of the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A medicine filling machine, characterized in that: include: Vibrating plate; A material delivery pipe, one end of which is in communication with the interior of the vibrating plate, wherein the distance between the axis of the material delivery pipe and the bottom of the vibrating plate gradually decreases in a direction away from the vibrating plate, and the material delivery pipe is provided with a material leakage groove which axially penetrates the side wall of the material delivery pipe and is arranged toward the vibrating plate; a conveyor belt mounted on the feed pipe, with one side of the conveyor belt located on the inner wall of the feed pipe near the vibrating plate and configured to abut against the tablets; the side of the conveyor belt located in the feed pipe moves toward the vibrating plate to drive the tablets to rotate in the feed pipe; a dosing member having an inlet and an outlet for discharging tablets into a medicine bottle, wherein the inlet is located below the other end of the feeding pipe away from the vibrating plate and is used to receive the tablets discharged from the feeding pipe; The metering member includes a funnel and a mounting tube, the funnel having a large diameter end and a small diameter end, the large diameter end being located below the other end of the feeding tube away from the vibrating plate and having the feeding port, and the small diameter end being mounted in the middle of the mounting tube and communicating with the interior of the mounting tube; A fan, one end of the mounting tube is mounted on the fan and communicates with the interior of the fan, the discharge port is located on the other end of the mounting tube away from the fan, an air outlet is provided on the side wall of the mounting tube close to the leakage trough, the air outlet is located between the small-diameter end and the discharge port, the fan is used to drive external air into the mounting tube and leave the mounting tube through the air outlet, so as to drive the tablets to move from the small-diameter end toward the discharge port; The angle formed between the lower edge of the cross section of the feeding pipe and the bottom of the vibrating plate is an acute angle; A collecting box is installed on the vibration plate and is located below the leakage trough. The collecting box is provided with a collecting port connected to the interior of the collecting box. The collecting port is located on the side of the collecting box facing the leakage trough.

2. A medicine filling machine according to claim 1, characterized in that: The mounting tube comprises: a first sub-tube, one end of which is mounted on the fan and communicated with the interior of the fan, the fan being used to drive external air into the first sub-tube, and the inner diameter of the first sub-tube gradually decreasing in a direction away from the fan; A second sub-tube, one end of which is mounted on the other end of the first sub-tube and communicates with the first sub-tube; the small-diameter end of which is mounted on the side wall of the first sub-tube and communicates with the interior of the second sub-tube; The third sub-tube is installed on the other end of the second sub-tube, is connected to the second sub-tube, and extends in a direction away from the funnel. The air outlet is located in the middle of the third sub-tube, and the discharge port is located on the end of the third sub-tube away from the second sub-tube.

3. A medicine filling machine according to claim 2, characterized in that: Also includes: an air outlet pipe, one end of which is mounted on the third sub-pipe and is connected to the interior of the third sub-pipe through the air outlet hole; The solenoid valve is installed on one end of the air outlet pipe away from the third sub-pipe and is used for opening and closing the air outlet hole.

4. A medicine filling machine according to claim 3, characterized in that: Also includes: a photoelectric sensor, mounted in the second sub-tube and located below the small-diameter end; A control mainboard is electrically connected to the solenoid valve, the photoelectric sensor, the fan and the vibration disk.

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