Powder mixing pharmaceutical equipment

Abstract

The invention relates to the technical field of pharmaceutical engineering pharmacy, in particular to powder mixing pharmaceutical equipment which comprises a connecting frame, the left side face and the right side face of the inner wall of the connecting frame are rotationally connected with the left side face and the right side face of a connecting plate correspondingly, a mixing tank is installed in a bearing on the upper surface of the connecting plate, and a tank cover is connected to the upper surface of the mixing tank in a bolted mode. A servo motor a drives a gear b and a gear a to rotate, the gear a rotates to drive a mixing tank to rotate, inertia generated by rotation of the mixing tank drives powder in the mixing tank to be mixed, a servo motor b drives spiral blades and stirring blades to rotate, the spiral blades turn over the powder at the bottom upwards, and the stirring blades stir the powder in the mixing tank. The spiral blade rotates to drive the scraping plate to rotate to scrape powder adhered to the inner wall of the mixing tank, so that powder adhesion is avoided, uniform mixing of the powder is not affected, and the problems that a top layer and a bottom layer are mixed unevenly and an inner layer and an outer layer are not uniform due to poor fluidity of an existing device are solved.

Description

Technical Field

[0001] The invention relates to the field of pharmaceutical engineering and pharmacy, and in particular to a powder mixing pharmaceutical device. Background Art

[0002] Pharmaceutical powder mixing refers to the process of mixing two or more powdered drug raw materials in a specific device to achieve uniform distribution. This process is crucial in the production of solid preparations and directly affects the quality and stability of the final product.

[0003] With reference to the Chinese invention announcement number: "CN 117504672 A", a powder mixing pharmaceutical equipment for pharmaceutical engineering is disclosed. The invention is used for the powder mixing pharmaceutical equipment for pharmaceutical engineering. When the rotating belt rotates through the stirring rod, the medicine in the processing bin is driven to rotate, thereby making the medicine on the inner wall of the processing bin move, avoiding the accumulation of medicine on the inner wall of the processing bin and ensuring the movement of the medicine. The rotating belt cooperates with the rising of the flipping belt to lift the medicine, and the flipping belt will continue to drive the bottom medicine to rise for multiple rises, reducing the accumulation of medicine.

[0004] At present, when powder materials are mixed in pharmaceutical engineering, the powder materials have poor fluidity, so when the powder materials are mixed, problems such as uneven mixing of the top layer and the bottom layer, and uneven mixing of the inner layer and the outer layer are prone to occur. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a powder mixing pharmaceutical equipment.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a powder mixing pharmaceutical equipment, comprising a connecting frame, the left and right side surfaces of the inner wall of the connecting frame are rotatably connected to the left and right side surfaces of the connecting plate respectively, a mixing tank is installed in the bearing on the upper surface of the connecting plate, a tank cover is bolted to the upper surface of the mixing tank, a rotating assembly is provided on the outer surface of the mixing tank, a fixing frame is fixedly connected to the upper surface of the tank cover, a power box a is fixedly connected to the upper surface of the fixing frame, a connecting column is rotatably connected to the lower surface of the inner wall of the power box a, an orientation adjustment assembly is provided on the outer surface of the connecting column, the top of the connecting column passes through the upper surface of the inner wall of the power box a and is fixed to the lower surface of the placing plate, a quantitative cylinder is installed on the upper surface of the tank cover, a telescopic frame is fixedly connected to the lower surface of the quantitative cylinder, a weighing assembly is provided on the lower surface of the telescopic frame, a stirring assembly is installed at the center of the upper surface of the tank cover, a power box b is installed on the right side of the connecting frame, a discharging assembly is provided inside the power box b, and the lower surface of the mixing tank is connected to one end of a discharge pipe.

[0007] Preferably, the rotating assembly includes a gear a mounted on the outer surface of the mixing tank, the outer surface of the gear a meshes with the outer surface of the gear b, the upper surface of the gear b is fixedly connected to the output shaft of the servo motor a, and the servo motor a is mounted on the upper surface of the connecting plate.

[0008] Preferably, the weighing assembly includes a cylinder b installed on the lower surface of the telescopic frame, the telescopic end of the cylinder b is fixedly connected to the upper surface of the base plate, weighing sensors are installed at the four corners of the upper surface of the base plate, and a guide plate is installed at the weighing end of the weighing sensor, and the outer surfaces of the base plate and the guide plate are slidably connected to the inner wall of the metering cylinder.

[0009] Preferably, a cylinder a is installed on the lower surface of the placement plate, and the telescopic end of the cylinder a is fixedly connected to the upper surface of the dustproof plate.

[0010] Preferably, the stirring assembly comprises a servo motor b mounted on the upper surface of the tank cover, the output shaft of the servo motor b is fixedly connected to the top end of the spiral blade, and a plurality of stirring blades are symmetrically fixedly connected to the outer surface of the spiral blade.

[0011] Preferably, two fixing plates are fixedly connected to the left and right side surfaces of the spiral blade, and two scrapers are installed on the sides of the two fixing plates away from each other, and the left side surface of the scraper is slidably connected to the left side surface of the inner wall of the mixing tank.

[0012] Preferably, the azimuth adjustment assembly includes a worm wheel a installed on the outer surface of the connecting column, the outer surface of the worm wheel a is meshed with the outer surface of the worm a, the left end of the worm a is fixedly connected to the output shaft of the servo motor c, and the servo motor c is installed on the lower surface of the inner wall of the power box a.

[0013] Preferably, the discharging assembly includes a worm b rotatably connected to the lower surface of the inner wall of the power box b, the outer surface of the worm b is meshed with the outer surface of the worm wheel b, the left side of the worm wheel b is fixedly connected to the right side of the connecting plate through the bearing and the rotating shaft installed on the left side of the inner wall of the power box b, the top end of the worm b passes through the upper surface of the inner wall of the power box b and is fixedly connected to the output shaft of the servo motor d, and the servo motor d is installed on the upper surface of the power box b.

[0014] Preferably, a plurality of material storage barrels are installed on the upper surface of the placement plate, a barrel cover is threadedly connected to the inner wall of the material storage barrel, and the lower surface of the material storage barrel is connected to one end of the discharge pipe.

[0015] Preferably, the other end of the discharge pipe is connected to the upper surface of the dustproof plate through a telescopic tube, and the position of the dustproof plate corresponds to the position of the metering cylinder.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention drives gear b and gear a to rotate through servo motor a. The rotation of gear a drives the mixing tank to rotate. The inertia generated by the rotation of the mixing tank drives the powder inside the mixing tank to mix. The servo motor b drives the spiral blade and the stirring blade to rotate. The spiral blade flips the powder at the bottom upward. The stirring blade stirs the powder in the mixing tank. The rotation of the spiral blade drives the scraper to rotate to scrape off the powder adhered to the inner wall of the mixing tank, so as to avoid the adhesion of the powder and affect the uniform mixing of the powder. The problem of uneven mixing of the top layer and the bottom layer and the inner layer and the outer layer in the existing device due to poor fluidity is solved.

[0018] The present invention drives the worm a and the worm wheel a to rotate through the servo unit c. The rotation of the worm wheel a drives the connecting column, the placement plate and the storage barrel to rotate at a fixed angle, and gradually moves the telescopic tubes below the multiple storage barrels to above the metering cylinder. The powder enters the metering cylinder through the telescopic tube, and the powder enters the metering cylinder and falls above the guide plate. The powder is weighed by a weighing sensor. When the fixed weight is reached, the cylinder b drives the bottom plate and the guide plate to move downward. The powder falls into the mixing tank under its own weight and the guiding action of the guide plate, and the mixing tank is quantitatively fed.

[0019] The present invention drives the worm b and the worm wheel b to rotate through the servo motor d. The rotation of the worm wheel b drives the connecting plate and the mixing tank to adjust the angle so as to evenly stir the inside of the mixing tank. When discharging, the angle of the mixing tank and the discharge pipe is adjusted to facilitate the discharge of powder through the discharge pipe. When discharging, the powder adhered to the inner wall of the mixing tank is scraped off by a scraper to reduce the loss of powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0021] In the attached picture:

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the internal structure of the power box b in the present invention;

[0024] Figure 3 It is a schematic diagram of the internal structure of the mixing tank in the present invention;

[0025] Figure 4 It is a schematic diagram of the exploded three-dimensional structure of the weighing assembly in the present invention;

[0026] Figure 5 It is a schematic diagram of the enlarged structure of point A in the present invention;

[0027] In the figure: 1. connecting frame; 2. connecting plate; 3. mixing tank;

[0028] Rotating assembly: 41, gear a; 42, gear b; 43, servo motor a; 5, tank cover; 6, fixing bracket;

[0029] Stirring assembly: 71, servo motor b; 72, spiral blade; 73, stirring blade; 8, power box a; 9, connecting column;

[0030] Azimuth adjustment components: 101, servo motor c; 102, worm a; 103, worm wheel a; 11, fixed plate; 12, scraper; 13, metering cylinder; 14, placement plate; 15, storage barrel; 16, barrel cover; 17, discharge pipe; 18, telescopic pipe; 19, dustproof plate; 20, cylinder a; 21, telescopic frame;

[0031] Dust-proof components: 221, cylinder b; 222, guide plate; 223, bottom plate; 224, weighing sensor; 23, power box b;

[0032] Discharging components: 241, servo motor d; 242, worm b; 243, worm wheel b; 25, discharge pipe. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0034] Example

[0035] See also Figure 1-Figure 5The present invention provides the following technical solutions: a powder mixing pharmaceutical equipment, comprising a connecting frame 1, the left and right side surfaces of the inner wall of the connecting frame 1 are rotatably connected to the left and right side surfaces of the connecting plate 2 respectively, a mixing tank 3 is installed in the bearing on the upper surface of the connecting plate 2, a tank cover 5 is bolted to the upper surface of the mixing tank 3, a rotating assembly is arranged on the outer surface of the mixing tank 3, a fixing frame 6 is fixedly connected to the upper surface of the tank cover 5, a power box a8 is fixedly connected to the upper surface of the fixing frame 6, a connecting column 9 is rotatably connected to the lower surface of the inner wall of the power box a8, and the outer surface of the connecting column 9 An azimuth adjustment component is provided on the surface, the top of the connecting column 9 passes through the upper surface of the inner wall of the power box a8 and is fixedly connected to the lower surface of the placement plate 14, a metering cylinder 13 is installed on the upper surface of the tank cover 5, a telescopic frame 21 is fixedly connected to the lower surface of the metering cylinder 13, a weighing component is provided on the lower surface of the telescopic frame 21, a stirring component is installed at the center of the upper surface of the tank cover 5, a power box b23 is installed on the right side of the connecting frame 1, a discharging component is provided inside the power box b23, and the lower surface of the mixing tank 3 is connected to one end of the discharge pipe 25.

[0036] Specifically, the rotating assembly includes a gear a41 mounted on the outer surface of the mixing tank 3, the outer surface of the gear a41 is meshed with the outer surface of the gear b42, the upper surface of the gear b42 is fixedly connected to the output shaft of the servo motor a43, and the servo motor a43 is mounted on the upper surface of the connecting plate 2;

[0037] The servo motor a43 drives the gear b42 and the gear a41 to rotate. The rotation of the gear a41 drives the mixing tank 3 to rotate. The inertia generated by the rotation of the mixing tank 3 drives the powder inside it to mix.

[0038] Specifically, the weighing assembly includes a cylinder b221 installed on the lower surface of the telescopic frame 21, the telescopic end of the cylinder b221 is fixedly connected to the upper surface of the bottom plate 223, the four corners of the upper surface of the bottom plate 223 are equipped with weighing sensors 224, the weighing end of the weighing sensor 224 is equipped with a guide plate 222, and the outer surfaces of the bottom plate 223 and the guide plate 222 are slidably connected to the inner wall of the quantitative cylinder 13;

[0039] The powder enters the metering cylinder 13 through the telescopic tube 18, and then falls on the guide plate 222. The powder is weighed by the weighing sensor 224. When the fixed weight is reached, the cylinder b221 drives the bottom plate 223 and the guide plate 222 to move downward. The powder falls into the mixing tank 3 under the action of its own weight and the guide plate 222, and then the mixing tank 3 is quantitatively fed.

[0040] The opening and closing of the discharge pipe 17 is controlled by a solenoid valve.

[0041] Specifically, a cylinder a20 is installed on the lower surface of the placement plate 14, and the telescopic end of the cylinder a20 is fixedly connected to the upper surface of the dustproof plate 19;

[0042] Specifically, a plurality of material storage barrels 15 are installed on the upper surface of the placement plate 14, and a barrel cover 16 is threadedly connected to the inner wall of the material storage barrel 15, and the lower surface of the material storage barrel 15 is connected to one end of the discharge pipe 17;

[0043] Specifically, the other end of the discharge pipe 17 is connected to the upper surface of the dustproof plate 19 through the telescopic tube 18, and the position of the dustproof plate 19 corresponds to the position of the metering cylinder 13;

[0044] The cylinder a20 drives the telescopic tube 18 and the dustproof plate 19 to move downward, and the dustproof plate 19 is in contact with the upper surface of the metering cylinder 13 to prevent the powder from generating dust when the powder is discharged.

[0045] Specifically, the stirring assembly includes a servo motor b71 mounted on the upper surface of the tank cover 5, the output shaft of the servo motor b71 is fixedly connected to the top of the spiral blade 72, and the outer surface of the spiral blade 72 is symmetrically fixed with a plurality of stirring blades 73;

[0046] The servo motor b71 drives the spiral blade 72 to rotate, turning the powder at the bottom upwards, and the rotation of the spiral blade 72 drives the stirring blade 73 to rotate to stir the powder in the mixing tank 3;

[0047] The reverse direction of the rotation of the servo motor b71 is opposite to the reverse direction of the rotation of the mixing tank 3 driven by the rotating assembly.

[0048] Specifically, two fixing plates 11 are fixedly connected to the left and right sides of the spiral blade 72, and two scrapers 12 are installed on the sides of the two fixing plates 11 that are away from each other, and the left side of the scraper 12 is slidably connected to the left side of the inner wall of the mixing tank 3;

[0049] The rotation of the spiral blade 72 drives the scraper 12 to rotate and scrape off the powder adhered to the inner wall of the mixing tank 3 to avoid powder adhesion and affect the uniform mixing of the powder. At the same time, when discharging, the powder adhered to the inner wall of the mixing tank 3 is scraped off to reduce powder loss.

[0050] Specifically, the azimuth adjustment assembly includes a worm wheel a103 installed on the outer surface of the connecting column 9, the outer surface of the worm wheel a103 is meshed with the outer surface of the worm a102, the left end of the worm a102 is fixedly connected to the output shaft of the servo motor c101, and the servo motor c101 is installed on the lower surface of the inner wall of the power box a8;

[0051] The servo unit c drives the worm a102 and the worm wheel a103 to rotate. The rotation of the worm wheel a103 drives the connecting column 9, the placement plate 14 and the storage barrel 15 to rotate at a fixed angle, gradually moving the telescopic tube 18 under the multiple storage barrels 15 to above the metering cylinder 13.

[0052] Specifically, the discharging assembly includes a worm b242 rotatably connected to the lower surface of the inner wall of the power box b23, the outer surface of the worm b242 is meshed with the outer surface of the worm wheel b243, the left side of the worm wheel b243 is fixedly connected to the right side of the connecting plate 2 through the bearing and the rotating shaft installed on the left side of the inner wall of the power box b23, the top end of the worm b242 passes through the upper surface of the inner wall of the power box b23 and is fixedly connected to the output shaft of the servo motor d241, and the servo motor d241 is installed on the upper surface of the power box b23;

[0053] The servo motor d241 drives the worm b242 and the worm gear b243 to rotate, and the rotation of the worm gear b243 drives the connecting plate 2 and the mixing tank 3 to adjust the angle so as to evenly stir the inside of the mixing tank 3;

[0054] When discharging the material, the angles of the mixing tank 3 and the discharge pipe 25 are adjusted to facilitate the discharging.

[0055] The working principle and use process of the present invention:

[0056] The present invention, when used:

[0057] The servo unit c drives the worm a102 and the worm gear a103 to rotate. The rotation of the worm gear a103 drives the connecting column 9, the placement plate 14 and the storage barrel 15 to rotate at a fixed angle, and gradually moves the telescopic tube 18 under the multiple storage barrels 15 to the top of the metering cylinder 13. The cylinder a20 drives the telescopic tube 18 and the dustproof plate 19 to move downward. The dustproof plate 19 fits with the upper surface of the metering cylinder 13 to prevent the powder from generating dust when the powder is discharged. The powder enters the metering cylinder 13 through the telescopic tube 18. The powder enters the metering cylinder 13 and falls above the guide plate 222. The powder is weighed by the weighing sensor 224. When the fixed weight is reached, the cylinder b221 drives the bottom plate 223 and the guide plate 222 to move downward. The powder falls into the mixing tank 3 under its own weight and the guiding action of the guide plate 222. The mixing tank 3 is quantitatively fed. The servo motor a43 drives the gear b4 2 and gear a41 rotate, the rotation of gear a41 drives the mixing tank 3 to rotate, the inertia generated by the rotation of the mixing tank 3 drives the powder inside it to mix, the servo motor b71 drives the spiral blade 72 to rotate, flips the bottom powder upward, the rotation of the spiral blade 72 drives the stirring blade 73 to rotate to stir the powder in the mixing tank 3, the rotation of the spiral blade 72 drives the scraper 12 to rotate to scrape off the powder adhered to the inner wall of the mixing tank 3 to avoid powder adhesion and affect the uniform mixing of the powder, and at the same time, when discharging, the powder adhered to the inner wall of the mixing tank 3 is scraped off to reduce the loss of powder, the servo motor d241 drives the worm b242 and the worm gear b243 to rotate, the rotation of the worm gear b243 drives the connecting plate 2 and the mixing tank 3 to adjust the angle so as to evenly stir the inside of the mixing tank 3, and when discharging, the angle between the mixing tank 3 and the discharge pipe 25 is adjusted to facilitate discharging.

[0058] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0059] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A powder mixing pharmaceutical device, comprising a connecting frame (1), characterized in that: The left and right side surfaces of the inner wall of the connecting frame (1) are rotatably connected to the left and right side surfaces of the connecting plate (2) respectively; a mixing tank (3) is installed in a bearing on the upper surface of the connecting plate (2); a tank cover (5) is bolted to the upper surface of the mixing tank (3); a rotating assembly is provided on the outer surface of the mixing tank (3); a fixing frame (6) is fixedly connected to the upper surface of the tank cover (5); a power box a (8) is fixedly connected to the upper surface of the fixing frame (6); a connecting column (9) is rotatably connected to the lower surface of the inner wall of the power box a (8); an orientation adjustment assembly is provided on the outer surface of the connecting column (9); The top end of the connecting column (9) passes through the upper surface of the inner wall of the power box a (8) and is fixedly connected to the lower surface of the placement plate (14); a metering cylinder (13) is installed on the upper surface of the tank cover (5); a telescopic frame (21) is fixedly connected to the lower surface of the metering cylinder (13); a weighing assembly is arranged on the lower surface of the telescopic frame (21); a stirring assembly is installed at the center of the upper surface of the tank cover (5); a power box b (23) is installed on the right side of the connecting frame (1); a discharging assembly is arranged inside the power box b (23); and the lower surface of the mixing tank (3) is connected to one end of a discharge pipe (25).

2. A powder mixing pharmaceutical equipment according to claim 1, characterized in that: The rotating assembly comprises a gear a (41) mounted on the outer surface of the mixing tank (3), the outer surface of the gear a (41) meshing with the outer surface of the gear b (42), the upper surface of the gear b (42) being fixedly connected to the output shaft of the servo motor a (43), and the servo motor a (43) being mounted on the upper surface of the connecting plate (2).

3. A powder mixing pharmaceutical equipment according to claim 1, characterized in that: The weighing assembly comprises a cylinder b (221) mounted on the lower surface of the telescopic frame (21); the telescopic end of the cylinder b (221) is fixedly connected to the upper surface of a bottom plate (223); weighing sensors (224) are mounted at the four corners of the upper surface of the bottom plate (223); a guide plate (222) is mounted on the weighing end of the weighing sensor (224); and the outer surfaces of the bottom plate (223) and the guide plate (222) are slidably connected to the inner wall of the quantitative cylinder (13).

4. A powder mixing pharmaceutical equipment according to claim 1, characterized in that: A cylinder a (20) is installed on the lower surface of the placement plate (14), and the telescopic end of the cylinder a (20) is fixedly connected to the upper surface of the dustproof plate (19).

5. The powder mixing pharmaceutical equipment according to claim 1, characterized in that: The stirring assembly comprises a servo motor b (71) mounted on the upper surface of the tank cover (5); the output shaft of the servo motor b (71) is fixedly connected to the top end of a spiral blade (72); and a plurality of stirring blades (73) are symmetrically fixedly connected to the outer surface of the spiral blade (72).

6. A powder mixing pharmaceutical equipment according to claim 5, characterized in that: Two fixed plates (11) are fixedly connected to the left and right side surfaces of the spiral blade (72), and two scrapers (12) are installed on the sides of the two fixed plates (11) that are away from each other. The left side surface of the scraper (12) is slidably connected to the left side surface of the inner wall of the mixing tank (3).

7. The powder mixing pharmaceutical equipment according to claim 1, characterized in that: The azimuth adjustment assembly includes a worm wheel a (103) mounted on the outer surface of the connecting column (9), the outer surface of the worm wheel a (103) meshing with the outer surface of the worm a (102), the left end of the worm a (102) being fixedly connected to the output shaft of the servo motor c (101), and the servo motor c (101) being mounted on the lower surface of the inner wall of the power box a (8).

8. The powder mixing pharmaceutical equipment according to claim 1, characterized in that: The discharging assembly comprises a worm gear b (242) rotatably connected to the lower surface of the inner wall of the power box b (23); the outer surface of the worm gear b (242) meshes with the outer surface of the worm wheel b (243); the left side surface of the worm wheel b (243) is fixedly connected to the right side surface of the connecting plate (2) via a bearing and a rotating shaft installed on the left side surface of the inner wall of the power box b (23); the top end of the worm gear b (242) passes through the upper surface of the inner wall of the power box b (23) and is fixedly connected to the output shaft of the servo motor d (241); and the servo motor d (241) is installed on the upper surface of the power box b (23).

9. The powder mixing pharmaceutical equipment according to claim 1, characterized in that: A plurality of material storage barrels (15) are installed on the upper surface of the placement plate (14), the inner wall of the material storage barrel (15) is threadedly connected with a barrel cover (16), and the lower surface of the material storage barrel (15) is connected to one end of a discharge pipe (17).

10. The powder mixing pharmaceutical equipment according to claim 9, characterized in that: The other end of the discharge pipe (17) is connected to the upper surface of the dustproof plate (19) through a telescopic tube (18), and the position of the dustproof plate (19) corresponds to the position of the metering cylinder (13).

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