Tablet raw material powder mixing and stirring device
By introducing the movable rotary rod and worm gear structure into the stirring device, the problem of uneven stirring is solved, and the full mixing of the raw powder of the tablet is achieved, and the mixing efficiency is improved.
Patent Information
- Application Number
- CN202422295736.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-20
AI Technical Summary
Most existing stirring devices are single stirring shafts, with fixed rotation position, resulting in uneven stirring of the tablet raw material powder and need to be mixed again.
A powder mixing and agitating device for tablet raw material is designed. The height position adjustment of the agitating shaft is achieved through the combination of movable rotating rod, hydraulic cylinder, adjustment slide plate and connecting support, and the worm gear structure drives the rotation of multiple agitating shafts to ensure that the powder is fully mixed.
Full mixing of tablet raw material powder is achieved, avoiding the problem of uneven stirring and improving mixing efficiency.
Smart Images
Figure CN223144572U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder mixing, in particular to a powder mixing and stirring device for tablet raw materials. Background Technique
[0002] Tablet raw material powder refers to the aggregate of fine particles of solid substances used for preparing tablets. This kind of powder has a large surface area and strong activity characteristics, and is an important raw material indispensable in the pharmaceutical industry. Tablet raw material powder refers to the drug raw materials that have been processed to form fine particles with a diameter less than 1 mm, and these particles aggregate to form a powdery substance. Tablet raw material powder is widely used in the pharmaceutical field and is the basic raw material for preparing various oral solid preparations (such as tablets, capsules, etc.). When manufacturing existing tablets, it is necessary to first fully mix the tablet raw material powder, and then use a tablet press to manufacture tablets. When mixing the tablet raw material powder, a stirring device is required, but most of the existing stirring devices use a single stirring shaft for stirring, and the rotation position of the stirring shaft is fixed, which is prone to uneven powder stirring. The unevenly stirred powder needs to be mixed and stirred again. Content of the Utility Model
[0003] The purpose of the utility model is to provide a powder mixing and stirring device for tablet raw materials, so as to solve the problem that most of the existing stirring devices use a single stirring shaft for stirring, the rotation position of the stirring shaft is fixed, it is prone to uneven powder stirring, and the unevenly stirred powder needs to be mixed and stirred again as mentioned in the above background technique.
[0004] To achieve the above object, the utility model provides the following technical solutions: A tablet raw material powder mixing and stirring device, including a mixing barrel, wherein a movable rotating rod is movably connected inside the mixing barrel, a first stirring shaft is fixedly connected to the bottom end of the movable rotating rod, a fixed bottom rod is fixedly connected to the bottom end of the first stirring shaft, a rotating sleeve is slidably connected to the outside of the fixed bottom rod, a fixed outer disc is rotatably connected to the outside of the rotating sleeve, a plurality of supporting side frames are fixedly connected to the outside of the fixed outer disc at equal intervals, one side of the supporting side frame is fixedly connected to the mixing barrel, a connecting bottom box is rotatably connected to the outside of the rotating sleeve, the top of the connecting bottom box is fixedly connected to the fixed outer disc, a worm is rotatably connected inside the connecting bottom box, the top end of the worm is fixedly connected to the rotating sleeve, a bottom mixing shaft is rotatably connected to the bottom of the connecting bottom box, the bottom end of the worm is fixedly connected to the bottom mixing shaft, a second stirring shaft is rotatably connected inside the connecting bottom box, a worm gear is fixedly connected to the outside of the second stirring shaft, the worm gear is meshed with the worm, the second stirring shaft is rotatably connected to the mixing barrel. When the rotating sleeve rotates, it drives the worm at the bottom end to rotate. When the worm rotates, it drives the meshed worm gear to rotate. When the worm gear rotates, it drives the second stirring shaft inside to rotate, so as to stir the powder in the mixing barrel. When the worm rotates, it drives the bottom mixing shaft at the bottom end to rotate. Through the bottom mixing shaft, the second stirring shaft and the first stirring shaft, the powder in the mixing barrel is fully stirred, and the full mixing of the tablet raw material powder is completed.
[0005] As a preferred scheme of the utility model: A first support frame is fixedly connected to the top of the mixing barrel, a second support frame is fixedly connected to the top of the first support frame, an adjusting slide plate is slidably connected to the inside of the second support frame, a hydraulic cylinder is installed on the top of the second support frame, the output end of the hydraulic cylinder is fixedly connected to the adjusting slide plate, connecting support blocks are symmetrically and fixedly connected to the bottom of the adjusting slide plate, a moving support plate is slidably connected to the inside of the first support frame, the bottom of the connecting support block is fixedly connected to the moving support plate, and the connecting support block is slidably connected to the first support frame.
[0006] As a preferred scheme of the utility model: A connecting bottom frame is fixedly connected to the bottom of the moving support plate, a motor is installed inside the connecting bottom frame, the output end of the motor is fixedly connected to the movable rotating rod, and the top end of the movable rotating rod is rotatably connected to the connecting bottom frame.
[0007] As a preferred scheme of the utility model: A plurality of limiting sliders are fixedly connected to the outside of the fixed bottom rod at equal intervals, a plurality of limiting chutes are opened inside the rotating sleeve at equal intervals, and the limiting sliders are slidably connected to the limiting chutes.
[0008] As a preferred embodiment of the present utility model: feeding pipes are symmetrically and fixedly connected to the top of the mixing barrel, a discharging pipe is fixedly connected to the bottom of the mixing barrel, and a fixed bracket is fixedly connected to the outside of the mixing barrel.
[0009] As a preferred embodiment of the present utility model: limiting slide bars are symmetrically and fixedly connected to the top of the adjusting slide plate, and the limiting slide bars are slidably connected to the second support frame.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: by providing a hydraulic cylinder, an adjusting slide plate and a connecting support block, the present utility model realizes the adjustment of the height positions of the output end of the hydraulic cylinder, the adjusting slide plate and the connecting support block, and the connecting support block drives the height positions of the moving support plate, the connecting bottom frame and the motor to be adjusted, thereby driving the height positions of the movable rotating rod and the first stirring shaft to be adjusted. Through the first stirring shaft moving up and down while rotating, the tablet raw material powder in the mixing barrel is fully mixed. By providing a fixed bottom rod, a limiting slider, a rotating sleeve and a limiting chute, when the first stirring shaft adjusts its up and down position, the fixed bottom rod drives each limiting slider on the outside to slide in a limited manner in the limiting chute inside the rotating sleeve, and when the fixed bottom rod adjusts its up and down position, it does not affect the fixed bottom rod driving the limiting chute and the rotating sleeve to rotate through the limiting slider. The rotating sleeve drives the worm to rotate, thereby driving the engaged worm gear and the second stirring shaft inside to rotate, and the second stirring shaft stirs the tablet raw material powder in the mixing barrel. Description of the Drawings
[0011] Figure 1 is a schematic diagram of the internal structure of the present utility model;
[0012] Figure 2 of the present utility model Figure 1 is an enlarged view of part A in;
[0013] Figure 3 is a top view of the internal structure of the rotating sleeve of the present utility model.
[0014] In the figure: 1, mixing barrel; 2, fixed bracket; 3, movable rotating rod; 4, first stirring shaft; 5, first support frame; 6, second support frame; 7, hydraulic cylinder; 8, adjusting slide plate; 9, limiting slide bar; 10, connecting support block; 11, moving support plate; 12, connecting bottom frame; 13, motor; 14, feeding pipe; 15, fixed bottom rod; 16, rotating sleeve; 17, limiting slider; 18, limiting chute; 19, fixed outer disc; 20, supporting side frame; 21, connecting bottom box; 22, worm; 23, worm gear; 24, second stirring shaft; 25, bottom mixing shaft; 26, discharging pipe. Detailed Embodiments
[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0016] Please refer to Figures 1 to 3 , the present utility model provides a technical solution: a mixing and stirring device for tablet raw material powder, including a mixing barrel 1. An activity rotating rod 3 is movably connected inside the mixing barrel 1. A first stirring shaft 4 is fixedly connected to the bottom end of the activity rotating rod 3. A fixed bottom rod 15 is fixedly connected to the bottom end of the first stirring shaft 4. A rotating sleeve 16 is slidably connected to the outside of the fixed bottom rod 15. A fixed outer disc 19 is rotatably connected to the outside of the rotating sleeve 16. A plurality of support side frames 20 are fixedly connected at equal intervals to the outside of the fixed outer disc 19. One side of the support side frame 20 is fixedly connected to the mixing barrel 1. A connecting bottom box 21 is rotatably connected to the outside of the rotating sleeve 16. The top of the connecting bottom box 21 is fixedly connected to the fixed outer disc 19. A worm 22 is rotatably connected inside the connecting bottom box 21. The top end of the worm 22 is fixedly connected to the rotating sleeve 16. A bottom mixing shaft 25 is rotatably connected to the bottom of the connecting bottom box 21. The bottom end of the worm 22 is fixedly connected to the bottom mixing shaft 25. A second stirring shaft 24 is rotatably connected inside the connecting bottom box 21. A worm gear 23 is fixedly connected to the outside of the second stirring shaft 24. The worm gear 23 is meshed with the worm 22. The second stirring shaft 24 is rotatably connected to the mixing barrel 1.
[0017] Among them, a first support frame 5 is fixedly connected to the top of the mixing barrel 1. A second support frame 6 is fixedly connected to the top of the first support frame 5. An adjusting slide plate 8 is slidably connected to the inside of the second support frame 6. A hydraulic cylinder 7 is installed on the top of the second support frame 6. The output end of the hydraulic cylinder 7 is fixedly connected to the adjusting slide plate 8. Connecting support blocks 10 are symmetrically and fixedly connected to the bottom of the adjusting slide plate 8. A moving support plate 11 is slidably connected to the inside of the first support frame 5. The bottom of the connecting support block 10 is fixedly connected to the moving support plate 11. The connecting support block 10 is slidably connected to the first support frame 5. The output end of the hydraulic cylinder 7 drives the adjusting slide plate 8, the connecting support block 10 and the moving support plate 11 to adjust their vertical positions. The adjusting slide plate 8 is guided and moved inside the second support frame 6 for adjustment.
[0018] Among them, a connecting bottom frame 12 is fixedly connected to the bottom of the moving support plate 11. A motor 13 is installed inside the connecting bottom frame 12. The output end of the motor 13 is fixedly connected to the activity rotating rod 3. The top end of the activity rotating rod 3 is rotatably connected to the connecting bottom frame 12. The output end of the motor 13 drives the activity rotating rod 3 and the first stirring shaft 4 to rotate and adjust, so as to mix the powder in the mixing barrel 1.
[0019] Among them, a plurality of limiting sliders 17 are fixedly connected to the outer side of the fixed bottom rod 15 at equal intervals, and a plurality of limiting chutes 18 are provided in the inner side of the rotating sleeve 16 at equal intervals. The limiting sliders 17 are slidably connected with the limiting chutes 18. When the fixed bottom rod 15 at the bottom end is adjusted up and down by the first stirring shaft 4, the limiting sliders 17 on the outer side of the fixed bottom rod 15 are limited and slide in the limiting chutes 18 on the inner side of the rotating sleeve 16. When the first stirring shaft 4 and the first support frame 5 rotate, the limiting sliders 17 on the outer side are driven to rotate, and the limiting sliders 17 drive the rotating sleeve 16 to rotate normally through the limiting chutes 18.
[0020] Among them, feeding pipes 14 are symmetrically and fixedly connected to the top of the mixing barrel 1, a discharge pipe 26 is fixedly connected to the bottom of the mixing barrel 1, and a fixed support 2 is fixedly connected to the outer side of the mixing barrel 1. The tablet raw material powder is put into the mixing barrel 1 through the feeding pipes 14 at the top of the mixing barrel 1, and after the mixing is completed in the mixing barrel 1, discharging treatment is carried out through the discharge pipe 26 at the bottom of the mixing barrel 1.
[0021] Among them, limiting slide rods 9 are symmetrically and fixedly connected to the top of the adjusting slide plate 8, and the limiting slide rods 9 are slidably connected with the second support frame 6. When the output end of the hydraulic cylinder 7 drives the adjusting slide plate 8 and the connecting support block 10 to move up and down, the adjusting slide plate 8 drives the limiting slide rods 9 at the top to be limited and slide in the second support frame 6, so as to ensure the adjustment stability of the adjusting slide plate 8 and the connecting support block 10.
[0022] Specifically, the powder of the tablet raw materials to be mixed is put into the mixing barrel 1 through the feeding pipe 14. During the mixing and stirring operation, the device is centrally controlled through an external controller, powered on through an external power supply, and the output end of the hydraulic cylinder 7 drives the adjusting slide plate 8 and the connecting support block 10 to move downward. The connecting support block 10 drives the moving support plate 11 and the connecting bottom frame 12 at the bottom to move downward. The connecting bottom frame 12 drives the motor 13, the movable rotating rod 3, and the first stirring shaft 4 to move downward. When the first stirring shaft 4 moves downward, it drives the rotating sleeve 16 and the limit slider 17 at the bottom to move downward. The limit slider 17 is limited and slides in the limit chute 18 inside the rotating sleeve 16. At the same time, by starting the motor 13, the output end of the motor 13 drives the movable rotating rod 3 to rotate. When the movable rotating rod 3 rotates, it drives the first stirring shaft 4 and the fixed bottom rod 15 at the bottom to rotate. The rotation of the fixed bottom rod 15 drives the outer limit sliders 17 to rotate. When the limit slider 17 rotates, it drives the rotating sleeve 16 to rotate in the fixed outer disk 19 and the connecting bottom box 21 through the limit chute 18 inside the rotating sleeve 16. When the rotating sleeve 16 rotates, it drives the worm 22 at the bottom to rotate. When the worm 22 rotates, it drives the engaged worm gear 23 to rotate. When the worm gear 23 rotates, it drives the second stirring shaft 24 inside to rotate. The powder in the mixing barrel 1 is further stirred by the second stirring shaft 24. When the first stirring shaft 4 moves up and down for adjustment, it does not affect the rotation. The first stirring shaft 4 moves up and down and rotates to fully stir the powder in the mixing barrel 1. When the worm 22 rotates, it drives the bottom mixing shaft 25 at the bottom to rotate. The powder at the bottom of the mixing barrel 1 is stirred by the bottom mixing shaft 25.
[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.
[0024] In addition, the terms "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", and "fourth" may explicitly or implicitly include at least one of such features.
[0025] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "setting", "connection", "fixation", "swivel connection" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0026] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A mixing and stirring device for tablet raw material powder, characterized in that, It includes a mixing barrel (1), inside which there is a movable rotating rod (3) connected movably. At the bottom end of the movable rotating rod (3), there is a first stirring shaft (4) fixedly connected. At the bottom end of the first stirring shaft (4), there is a fixed bottom rod (15). On the outer side of the fixed bottom rod (15), there is a rotating sleeve (16) connected slidably. On the outer side of the rotating sleeve (16), there is a fixed outer disk (19) connected rotatably. On the outer side of the fixed outer disk (19), there are a plurality of supporting side frames (20) fixedly connected at equal intervals. One side of the supporting side frame (20) is fixedly connected to the mixing barrel (1). On the outer side of the rotating sleeve (16), there is a connecting bottom box (21) connected rotatably. The top of the connecting bottom box (21) is fixedly connected to the fixed outer disk (19). Inside the connecting bottom box (21), there is a worm (22) connected rotatably. The top end of the worm (22) is fixedly connected to the rotating sleeve (16). At the bottom of the connecting bottom box (21), there is a bottom mixing shaft (25) connected rotatably. The bottom end of the worm (22) is fixedly connected to the bottom mixing shaft (25). Inside the connecting bottom box (21), there is a second stirring shaft (24) connected rotatably. On the outer side of the second stirring shaft (24), there is a worm gear (23) fixedly connected. The worm gear (23) is meshed with the worm (22). The second stirring shaft (24) is connected rotatably to the mixing barrel (1).
2. The mixing and stirring device for tablet raw material powder according to claim 1, wherein: At the top of the mixing barrel (1), there is a first support frame (5) fixedly connected. At the top of the first support frame (5), there is a second support frame (6) fixedly connected. Inside the second support frame (6), there is an adjusting slide plate (8) connected slidably. At the top of the second support frame (6), there is a hydraulic cylinder (7) installed. The output end of the hydraulic cylinder (7) is fixedly connected to the adjusting slide plate (8). At the bottom of the adjusting slide plate (8), there are connecting support blocks (10) fixedly connected symmetrically. Inside the first support frame (5), there is a moving support plate (11) connected slidably. The bottom of the connecting support block (10) is fixedly connected to the moving support plate (11). The connecting support block (10) is connected slidably to the first support frame (5).
3. A tablet raw material powder mixing and stirring device according to claim 2, characterized in that: At the bottom of the moving support plate (11), there is a connecting bottom frame (12) fixedly connected. Inside the connecting bottom frame (12), there is a motor (13) installed. The output end of the motor (13) is fixedly connected to the movable rotating rod (3). The top end of the movable rotating rod (3) is connected rotatably to the connecting bottom frame (12).
4. A tablet raw material powder mixing and stirring device according to claim 1, characterized in that: On the outer side of the fixed bottom rod (15), there are a plurality of limiting sliders (17) fixedly connected at equal intervals. Inside the rotating sleeve (16), there are a plurality of limiting chutes (18) opened at equal intervals. The limiting sliders (17) are connected slidably to the limiting chutes (18).
5. A tablet raw material powder mixing and stirring device according to claim 1, characterized in that: At the top of the mixing barrel (1), there are feed pipes (14) fixedly connected symmetrically. At the bottom of the mixing barrel (1), there is a discharge pipe (26) fixedly connected. On the outer side of the mixing barrel (1), there is a fixed support (2) fixedly connected.
6. The mixing and stirring device for tablet raw material powder according to claim 2, characterized in that: At the top of the adjusting slide plate (8), there are limiting slide rods (9) fixedly connected symmetrically. The limiting slide rods (9) are connected slidably to the second support frame (6).