A powder medicine mixer

Abstract

The present invention discloses a powder medicine mixer, which relates to the field of medicine production technology. The mixer includes an outer frame and a horizontal mixing cylinder. The outer wall of the horizontal mixing cylinder is also provided with a plurality of air outlets and a powder flow-blocking membrane is installed at the air outlet. The mixer also includes a drive disk assembly, a movable hanger mechanism and two gas injection assemblies. The movable hanger mechanism includes a hanger part, an annular frame and a toggle assembly. The toggle assembly can drive the top vertical bar frame to swing around the center line of the horizontal mixing cylinder. The drive disk assembly is used to drive the hanger part to reciprocate along the axis of the horizontal mixing cylinder on the outer frame. The gas injection assembly is used to introduce a mixed airflow into the interior of the horizontal mixing cylinder. The present invention has a simple structure. The blowing of the airflow and the movement of the mixing cylinder make the medicine powder float and mix. The mixing is sufficient. There is no need to set a stirring mechanism for stirring the medicine powder to avoid the medicine powder from adhering to the stirring mechanism. The mixed medicine powder can be fully discharged, which is convenient for use.

Description

Technical Field

[0001] The invention relates to the technical field of medicine production, in particular to a powder medicine mixer. Background Art

[0002] Powder medicine mixer is a kind of equipment specially used to mix different powder medicines together, which is widely used in chemical, food, medicine and other fields. These equipments are particularly important in the pharmaceutical industry, because many medicines need to mix different powder ingredients evenly during the production process.

[0003] At present, in basic medical experiments, in order to mix powders, a mixing tank with a stirring device is used to mix the powders. When multiple powders are put into the mixing tank, an external motor can be turned on to drive the stirring shaft to rotate and stir the powders. However, since the particles of pharmaceutical powders are small, they are very easy to adhere to the stirring mechanism on the stirring shaft. Therefore, after the stirring is completed, the pharmaceutical powders attached to the stirring mechanism are not easy to detach, resulting in incomplete discharge of the pharmaceutical powders, affecting the subsequent mixing of other pharmaceutical powders. Summary of the invention

[0004] The object of the present invention is to provide a powder medicine mixer to solve the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A powder medicine mixer comprises an outer frame and a horizontal mixing cylinder, both ends of the horizontal mixing cylinder are opened, at least one feeding hopper is arranged in the middle position of the side wall of the horizontal mixing cylinder, and a discharge channel is arranged at the arc bottom in the middle position of the horizontal mixing cylinder; a plurality of air outlets are also arranged on the outer wall of the horizontal mixing cylinder, and a powder flow-blocking membrane is installed at the air outlet; it also comprises a driving disk assembly, a movable hanger mechanism and two air injection assemblies, the movable hanger mechanism comprises a hanger part, an annular frame and a toggle assembly, side extension slides are arranged on both sides of the hanger part, and the top of the side extension slide is slidably connected to the outer frame, the annular frame is two and the two annular frames are rotatably sleeved on the horizontal mixing cylinder, the annular frame is also fixedly connected to the bottom of the hanger part, and the toggle assembly A top vertical rod frame is arranged on the hanger part, and the top vertical rod frame is arranged at the arc top in the middle part of the horizontal mixing cylinder body, and the top vertical rod frame is connected to the toggle assembly. When the hanger part moves, the toggle assembly can drive the top vertical rod frame to swing around the center line of the horizontal mixing cylinder body. The driving disk assembly is arranged on the top of the outer frame and the driving disk assembly is connected to the hanger part. The driving disk assembly is used to drive the hanger part to reciprocate along the axis of the horizontal mixing cylinder body on the outer frame; two air injection assemblies are respectively arranged at the two ends of the horizontal mixing cylinder body and connected to the outer frame, one end of the air injection assembly extends into the interior of the horizontal mixing cylinder body, and the end of the air injection assembly extending into the horizontal mixing cylinder body is in sealing contact with the inner wall of the horizontal mixing cylinder body and can slide relative axially, and the air injection assembly is used to introduce a mixed airflow into the interior of the horizontal mixing cylinder body.

[0007] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0008] In an optional scheme: the gas injection assembly includes a gas injection machine, a hollow gas guide rod and a gas guide plate, the gas injection machine is fixed to the outer frame through a fixed bracket and one end of the hollow gas guide rod is connected to the gas outlet of the gas injection machine, the other end of the hollow gas guide rod extends to the interior of the horizontal mixing cylinder, and the end of the hollow gas guide rod away from the gas injection machine is provided with a gas guide plate and the edge of the gas guide plate is in sealing contact with the inner wall of the horizontal mixing cylinder.

[0009] In an optional solution: an air inlet end is also provided on the outer wall of the air injection machine and a filter screen is provided on the air inlet end; a powder-blocking air-permeable membrane is provided on the end surface of the air guide plate facing the inside of the discharge channel.

[0010] In an optional scheme: a fixed rod frame is arranged on the top of the hanger part and the length direction of the fixed rod frame is eccentrically perpendicular to the axis of the horizontal mixing cylinder, the driving disk assembly includes a movable motor, a movable driving disk and an eccentric toggle rod, the movable motor is arranged on the top of the outer frame and the movable driving disk is arranged on the output end of the movable motor, the eccentric toggle rod is arranged on the end face of the movable driving disk and the end of the eccentric toggle rod extends to the inside of the fixed rod frame.

[0011] In an optional scheme: a rotation driving part is also provided on the side of the outer frame, and the toggle assembly includes a guide rod, a spiral rod and an intermediate toggle connecting rod. The guide rod and the spiral rod are both arranged on the hanger part and are parallel to each other. Both ends of the spiral rod are rotatably connected to the hanger part. A moving seat is provided on the guide rod and the spiral rod. The moving seat on the guide rod slides with the guide rod and the spiral rod is spirally matched with the moving seat on it. The intermediate toggle connecting rod is arranged between the two moving seats and passes through the top vertical rod frame. One end of the spiral rod is connected to the rotation driving part, and the rotation driving part can drive the spiral rod in a moving state to rotate alternately forward and reverse.

[0012] In an optional solution: the axis of the spiral rod is skewed and perpendicular to the axis of the horizontal mixing cylinder, and the length direction of the intermediate toggle connecting rod is parallel to the axis of the horizontal mixing cylinder. The intermediate toggle connecting rod is provided with a sleeve that rotates with it, and the outer wall of the sleeve is in rolling contact with the inner wall of the top vertical rod frame.

[0013] In an optional scheme: a gear portion is provided at the end of the spiral rod, and the rotation drive portion includes two parallel cross bar portions, the length direction of the cross bar portions is consistent with the axis of the horizontal mixing cylinder, the gear portion is located between the two cross bar portions, and a plurality of rack segments are provided on the opposite surfaces of the two cross bar portions, the spacing between the plurality of rack segments on the cross bar portions is equal, and the rack segments on the two cross bar portions are staggered with each other, and the rack segments can engage with the gear portion.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The reciprocating movement of the axis of the horizontal mixing cylinder and the positive and negative alternating rotation during the movement can make the medicine powder move up and down and left and right. The two air injection components inject air into the interior of the horizontal mixing cylinder from both ends to increase the movement and floating of the medicine powder, thereby improving the adequacy of the mixing of the medicine powder, and;

[0016] 2. The directions of the multiple air outlets of the present invention are in a changing state, so that the discharge position of the airflow is in a changing state, thereby increasing the irregularity of the flow of the airflow inside the horizontal mixing cylinder and improving the adequacy of the contact between the medicinal powders.

[0017] 3. The present invention has a simple structure. The blowing of airflow and the movement of the mixing cylinder make the medicine powder float and mix. The mixing effect is obvious and sufficient. There is no need to set a stirring mechanism for stirring the medicine powder, which prevents the medicine powder from adhering to the stirring mechanism. The mixed medicine powder can be fully discharged, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the mixer in one embodiment of the present invention.

[0019] Figure 2 This is a schematic diagram of the structure of a mixer without an outer frame in an embodiment of the present invention.

[0020] Figure 3 It is a schematic diagram of the structure of a hanger mechanism and a horizontal mixing cylinder in one embodiment of the present invention.

[0021] Figure 4 It is a schematic diagram of the internal structure of a horizontal mixing cylinder in one embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure of the hanger mechanism in one embodiment of the present invention.

[0023] Figure 6 Schematic diagram of the outer frame structure in one embodiment of the present invention.

[0024] Notes on figure marks: outer frame 100, fixed base 110, cross bar portion 120, rack segment 130, horizontal mixing cylinder 200, feed hopper body 210, discharge channel 220, air outlet 230, top vertical bar frame 250, drive disk assembly 300, mobile motor 310, mobile drive disk 320, eccentric toggle rod 330, gas injection assembly 400, gas injection machine 410, hollow gas guide rod 420, air inlet end 430, gas guide disk 440, powder-resistant breathable membrane 441, mobile hanger mechanism 500, hanger portion 510, side extension slide 520, fixed rod frame 530, guide rod 540, screw rod 550, mobile seat 560, intermediate toggle connecting rod 570, annular frame 580, gear portion 590. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; in the drawings or descriptions, similar or identical parts use the same reference numerals, and in practical applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the present invention are only used to illustrate the present invention and are not used to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.

[0026] In one embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a powder medicine mixer includes an outer frame 100 and a horizontal mixing cylinder 200, both ends of the horizontal mixing cylinder 200 are opened, at least one feed hopper 210 is arranged in the middle of the side wall of the horizontal mixing cylinder 200, and a discharge channel 220 is arranged at the arc bottom of the middle of the horizontal mixing cylinder 200; a plurality of air outlets 230 are also arranged on the outer wall of the horizontal mixing cylinder 200, and a powder flow-blocking film is installed at the air outlet 230; and a drive disc assembly 30 is also included. 0, a mobile hanger mechanism 500 and two gas injection assemblies 400, the mobile hanger mechanism 500 includes a hanger portion 510, an annular frame 580 and a toggle assembly, both sides of the hanger portion 510 are provided with side extension slides 520 and the top of the side extension slides 520 is slidably connected to the outer frame 100, the annular frame 580 is two and the two annular frames 580 are rotatably sleeved on the horizontal mixing cylinder 200, the annular frame 580 is also fixedly connected to the bottom of the hanger portion 510, and the toggle assembly The components are arranged on the hanger part 510, and a top vertical rod frame 250 is arranged at the arc top in the middle position of the horizontal mixing cylinder 200, and the top vertical rod frame 250 is connected to the toggle assembly. When the toggle assembly moves with the hanger part 510, the top vertical rod frame 250 can be driven to swing around the center line of the horizontal mixing cylinder 200, and the drive disk assembly 300 is arranged on the top of the outer frame 100 and the drive disk assembly 300 is connected to the hanger part 510. The drive disk assembly 300 is used to drive the hanger part 510 to move on the outer frame 100. It reciprocates along the axis of the horizontal mixing cylinder 200; two gas injection assemblies 400 are respectively arranged at the two ends of the horizontal mixing cylinder 200 and connected to the outer frame 100, one end of the gas injection assembly 400 extends into the interior of the horizontal mixing cylinder 200, and the end of the gas injection assembly 400 extending into the horizontal mixing cylinder 200 is in sealing contact with the inner wall of the horizontal mixing cylinder 200 and can slide relative to the axial direction. The gas injection assembly 400 is used to introduce a mixed gas flow into the interior of the horizontal mixing cylinder 200.

[0027] In the embodiment of the present invention, the pharmaceutical powder is introduced from the feed hopper body 210 into the interior of the horizontal mixing cylinder 200 and the ports of the feed hopper body 210 and the discharge channel 220 are blocked; the drive disc assembly 300 and the two gas injection assemblies 400 start to work synchronously, and the drive disc assembly 300 drives the hanger part 510 to reciprocate along the axis of the horizontal mixing cylinder 200 relative to the outer frame 100, and the hanger part 510 drives the horizontal mixing cylinder 200 to reciprocate through the annular frame 580. The horizontal mixing cylinder 200 moves axially, and then the horizontal mixing cylinder 200 reciprocates towards and away from the two gas injection components 400; the toggle component moves with the hanger part 510 and drives the top vertical rod frame 250 to swing during the movement, and the top vertical rod frame 250 drives the horizontal mixing cylinder 200 to rotate alternately forward and reverse; then the pharmaceutical powder inside the horizontal mixing cylinder 200 will move up and down and left and right with the horizontal mixing cylinder 200; the two gas injection components 400 move from the horizontal mixing cylinder 2 00 introduces air flow into the horizontal mixing cylinder 200 at the openings at both ends, and the air flow forms a counter-attack inside the horizontal mixing cylinder 200, thereby rolling up the medicinal powder, so that the medicinal powder can float and mix with each other inside the horizontal mixing cylinder 200, and the air flow is discharged through the air outlet 230. Since the horizontal mixing cylinder 200 rotates alternately forward and reverse, the directions of the multiple air outlets 230 are in a changing state, so that the discharge position of the air flow is in a changing state, thereby increasing the irregularity of the flow of the air flow inside the horizontal mixing cylinder 200, improving the sufficiency of the mutual contact between the medicinal powders, and mixing more fully; and since the end of the gas injection component 400 is in sealed contact with the inner wall of the horizontal mixing cylinder 200, when the horizontal mixing cylinder 200 moves relative to the end of the gas injection component 400, the gas injection component 400 can push the powder adhered to the inner wall of the horizontal mixing cylinder 200 to the middle position of the horizontal mixing cylinder 200, so as to facilitate discharge through the discharge channel 220.

[0028] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, the gas injection assembly 400 includes a gas injection machine 410, a hollow gas guide rod 420 and a gas guide plate 440. The gas injection machine 410 is fixed to the outer frame 100 through a fixed base 110 and one end of the hollow gas guide rod 420 is connected to the gas outlet of the gas injection machine 410, and the other end of the hollow gas guide rod 420 extends to the interior of the horizontal mixing cylinder 200. The end of the hollow gas guide rod 420 away from the gas injection machine 410 is provided with an gas guide plate 440, and the edge of the gas guide plate 440 is in sealing contact with the inner wall of the horizontal mixing cylinder 200. In an embodiment of the present invention, the gas injection machine 410 introduces the external air flow into the gas guide plate 440 through the hollow gas guide rod 420, and the air flow is sprayed into the interior of the horizontal mixing cylinder 200 through the gas guide plate 440, so that the pharmaceutical powder in the horizontal mixing cylinder 200 floats and mixes with each other.

[0029] In one embodiment, Figure 1-Figure 4 As shown, an air inlet end 430 is also provided on the outer wall of the gas injection machine 410, and a filter is provided on the air inlet end 430; a powder-blocking breathable membrane 441 is provided on the end surface of the air guide plate 440 facing the inside of the discharge channel 220; in the embodiment of the present invention, the filter on the air inlet end 430 can filter impurities in the air flow introduced into the interior of the horizontal mixing cylinder 200 to prevent impurities in the air flow from mixing into the pharmaceutical powder, and the powder-blocking breathable membrane 441 can prevent the pharmaceutical powder inside the horizontal mixing cylinder 200 from entering the interior of the hollow air guide rod 420 through the air outlet hole on the air guide plate 440.

[0030] In one embodiment, Figure 2-Figure 6 As shown, a fixed rod frame 530 is provided on the top of the hanger part 510, and the length direction of the fixed rod frame 530 is skewed and perpendicular to the axis of the horizontal mixing cylinder 200. The driving disk assembly 300 includes a moving motor 310, a moving driving disk 320 and an eccentric toggle rod 330. The moving motor 310 is provided on the top of the outer frame 100, and the moving driving disk 320 is provided on the output end of the moving motor 310. The eccentric toggle rod 330 is provided on the end surface of the moving driving disk 320, and the end of the eccentric toggle rod 330 extends to the inside of the fixed rod frame 530. In an embodiment of the present invention, the moving motor 310 drives the moving driving disk 320 to rotate, and the moving driving disk 320 drives the eccentric toggle rod 330 to rotate. The eccentric toggle rod 330 in a rotating state toggles the fixed rod frame 530 and causes the fixed rod frame 530 to reciprocate along the axis of the horizontal mixing cylinder 200, thereby the hanger part 510 drives the horizontal mixing cylinder 200 to reciprocate.

[0031] In one embodiment, Figure 2-Figure 6As shown, the side of the outer frame 100 is also provided with a rotation driving part, and the toggle assembly includes a guide rod 540, a spiral rod 550 and an intermediate toggle connecting rod 570, the guide rod 540 and the spiral rod 550 are both arranged on the hanger part 510 and the guide rod 540 and the spiral rod 550 are parallel, and both ends of the spiral rod 550 are rotatably connected to the hanger part 510, and the guide rod 540 and the spiral rod 550 are both provided with a moving seat 560, and the moving seat 560 on the guide rod 540 is slidably matched with the moving seat 560 thereon and the spiral rod 550 is spirally matched with the moving seat 560 thereon, and the intermediate toggle connecting rod 570 is arranged between the two moving seats 560 ... The connecting rod 570 passes through the top vertical rod frame 250, and one end of the spiral rod 550 is connected to the rotation driving part, which can drive the spiral rod 550 in a moving state to rotate alternately forward and reverse; in an embodiment of the present invention, when the spiral rod 550 moves back and forth along the axial direction of the horizontal mixing cylinder 200 with the hanger part 510, the rotation driving part drives the spiral rod 550 to rotate alternately forward and reverse, and the rotating spiral rod 550 can make the intermediate toggle connecting rod 570 and the moving seat 560 move along the guide rod 540 through the spiral cooperation with the moving seat 560, and the moving intermediate toggle connecting rod 570 drives the top vertical rod frame 250 to drive the horizontal mixing cylinder 200 to rotate.

[0032] In one embodiment, Figure 2-Figure 5 As shown, the axis of the spiral rod 550 is skewed and perpendicular to the axis of the horizontal mixing cylinder 200, and the length direction of the intermediate toggle connecting rod 570 is parallel to the axis of the horizontal mixing cylinder 200. The intermediate toggle connecting rod 570 is provided with a sleeve that rotates therewith, and the outer wall of the sleeve is in rolling contact with the inner wall of the top vertical rod frame 250. In the embodiment of the present invention, the setting of the sleeve can avoid direct contact between the intermediate toggle connecting rod 570 and the inner wall of the top vertical rod frame 250, thereby reducing the friction of their relative movement.

[0033] In one embodiment, Figure 1-Figure 6As shown, the end of the spiral rod 550 is provided with a gear portion 590, the rotation drive portion includes two parallel cross bars 120, the length direction of the cross bars 120 is consistent with the axis of the horizontal mixing cylinder 200, the gear portion 590 is located between the two cross bars 120, and the opposite surfaces of the two cross bars 120 are provided with a plurality of rack segments 130, the distances between the plurality of rack segments 130 on the cross bars 120 are equal, and the rack segments 130 on the two cross bars 120 are mutually The rack segment 130 is misaligned and can mesh with the gear portion 590; in the embodiment of the present invention, when the spiral rod 550 moves relative to the two cross bar portions 120, the gear portion 590 alternately meshes with the rack segments 130 on the two cross bar portions 120. Since the two cross bar portions 120 are located on both sides of the gear portion 590, the gear portion 590 can rotate alternately forward and reverse when moving, so that the spiral rod 550 rotates alternately forward and reverse and makes the moving seat 560 move back and forth along the spiral rod 550.

[0034] The above embodiment provides a powder medicine mixer, wherein the discharge channel 220 is first sealed and the medicine powder to be mixed is introduced from the feed hopper body 210 into the interior of the horizontal mixing cylinder 200, and the port of the feed hopper body 210 is sealed; the mobile motor 310 and the gas injection machine 410 start to work, the mobile motor 310 drives the mobile drive disk 320 to rotate, and the mobile drive disk 320 drives the fixed rod frame 530 through the eccentric toggle rod 330 and makes the hanger part 510 reciprocate along the axis of the horizontal mixing cylinder 200, and the spiral rod 550 moves with the hanger part 510 and the gear part 590 is alternately meshed with multiple rack segments 130, so that the spiral rod 550 rotates alternately forward and reverse, and the spiral rod 550 drives the intermediate toggle connecting rod 570 to move along the length direction of the guide rod 540, and the intermediate toggle connecting rod 570 reciprocates The top vertical rod frame 250 is moved to make the horizontal mixing cylinder 200 rotate alternately forward and reverse, and the horizontal mixing cylinder 200 also moves axially back and forth with the hanger part 510; thereby, the pharmaceutical powder inside the horizontal mixing cylinder 200 floats and mixes with each other, and at the same time, the gas injection machine 410 introduces airflow into the horizontal mixing cylinder 200 through the hollow air guide rod 420 and the air guide plate 440, so that the two airflows inside the horizontal mixing cylinder 200 collide with each other, thereby improving the fluidity of the pharmaceutical powder, and because the end of the gas injection component 400 is in sealing contact with the inner wall of the horizontal mixing cylinder 200, when the horizontal mixing cylinder 200 moves relative to the end of the gas injection component 400, the gas injection component 400 can push the powder adhered to the inner wall of the horizontal mixing cylinder 200 to the middle position of the horizontal mixing cylinder 200, so as to facilitate discharge from the discharge channel 220.

[0035] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A powder medicine mixer, comprising an outer frame and a horizontal mixing cylinder, both ends of the horizontal mixing cylinder are opened, at least one feed hopper is arranged in the middle of the side wall of the horizontal mixing cylinder, and a discharge channel is arranged at the bottom of the arc in the middle of the horizontal mixing cylinder, characterized in that: The outer wall of the horizontal mixing cylinder is also provided with a plurality of air outlets and a powder flow-blocking film is installed at the air outlets; Also included are a drive disc assembly, a mobile hanger mechanism, and two gas injection assemblies; The mobile hanger mechanism comprises a hanger portion, an annular frame and a toggle assembly; Side extension slides are provided on both sides of the hanger part, and the top of the side extension slides is slidably connected to the outer frame body. There are two annular frames, and the two annular frames are rotatably sleeved on the horizontal mixing cylinder. The annular frames are also fixedly connected to the bottom of the hanger part. The toggle assembly is arranged on the hanger part, and a top vertical rod frame is arranged at the arc top in the middle of the horizontal mixing cylinder body, and the top vertical rod frame is connected to the toggle assembly. When the toggle assembly moves with the hanger part, the top vertical rod frame can be driven to swing around the center line of the horizontal mixing cylinder body; The driving disc assembly is arranged on the top of the outer frame and connected to the hanger part, and the driving disc assembly is used to drive the hanger part to reciprocate along the axis of the horizontal mixing cylinder on the outer frame; Two gas injection assemblies are respectively arranged at two ends of the horizontal mixing cylinder and connected to the outer frame, one end of the gas injection assembly extends into the interior of the horizontal mixing cylinder, the end of the gas injection assembly extending into the interior of the horizontal mixing cylinder is in sealing contact with the inner wall of the horizontal mixing cylinder and can slide axially relative to the inner wall of the horizontal mixing cylinder, and the gas injection assembly is used to introduce a mixed gas flow into the interior of the horizontal mixing cylinder; The gas injection assembly comprises a gas injection machine, a hollow gas guide rod and a gas guide plate; The gas injection machine is fixed on the outer frame through a fixed base, and one end of the hollow gas guide rod is connected to the gas outlet of the gas injection machine, and the other end of the hollow gas guide rod extends to the interior of the horizontal mixing cylinder; The end of the hollow gas guide rod away from the gas injection machine is provided with a gas guide plate, and the edge of the gas guide plate is in sealing contact with the inner wall of the horizontal mixing cylinder; The outer wall of the gas injection machine is also provided with an air inlet end and a filter screen is provided on the air inlet end; A powder-blocking and breathable membrane is arranged on the end surface of the air guide plate facing the inside of the discharge channel.

2. The powder medicine mixer according to claim 1, characterized in that: A fixed rod frame is arranged on the top of the hanger part, and the length direction of the fixed rod frame is perpendicular to the axis of the horizontal mixing cylinder; The driving disc assembly comprises a moving motor, a moving driving disc and an eccentric toggle rod; The moving motor is arranged on the top of the outer frame and the moving drive disk is arranged on the output end of the moving motor. The eccentric toggle rod is arranged on the end surface of the moving drive disk and the end of the eccentric toggle rod extends to the inside of the fixed rod frame.

3. The powder medicine mixer according to claim 2, characterized in that: The side of the outer frame is also provided with a rotation driving part, and the toggle assembly includes a guide rod, a spiral rod and an intermediate toggle connecting rod; The guide rod and the spiral rod are both arranged on the hanger part and are parallel to each other. Both ends of the spiral rod are rotatably connected to the hanger part. The guide rod and the spiral rod are both provided with a moving seat. The moving seat on the guide rod is slidably matched with the moving seat and the spiral rod is spirally matched with the moving seat on the guide rod. The intermediate toggle connecting rod is arranged between the two moving seats and passes through the top vertical rod frame. One end of the spiral rod is connected to the rotation driving part, and the rotation driving part can drive the spiral rod in the moving state to rotate forward and reverse alternately.

4. The powder medicine mixer according to claim 3, characterized in that: The axis of the spiral rod is perpendicular to the axis of the horizontal mixing cylinder and the length direction of the intermediate toggle connecting rod is parallel to the axis of the horizontal mixing cylinder; The middle toggle connecting rod is provided with a sleeve which is rotatably matched therewith, and the outer wall of the sleeve is in rolling contact with the inner wall of the top vertical rod frame.

5. The powder medicine mixer according to claim 3, characterized in that: The end of the spiral rod is provided with a gear portion; The rotary drive portion includes two parallel crossbar portions; The length direction of the crossbar is consistent with the axis of the horizontal mixing cylinder, the gear part is located between the two crossbars, and the opposite surfaces of the two crossbars are each provided with a plurality of rack segments; The spacings between the multiple rack segments on the crossbar portion are equal, and the rack segments on the two crossbar portions are staggered with each other, and the rack segments can mesh with the gear portion.

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