CN219559445U - Powder continuous mixing device - Google Patents
Powder continuous mixing device Download PDFInfo
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- CN219559445U CN219559445U CN202320583384.9U CN202320583384U CN219559445U CN 219559445 U CN219559445 U CN 219559445U CN 202320583384 U CN202320583384 U CN 202320583384U CN 219559445 U CN219559445 U CN 219559445U
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- continuous mixing
- rotating shaft
- powder continuous
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Abstract
The utility model provides a powder continuous mixing device, which belongs to the technical field of mixing equipment and comprises a frame and a control system, wherein a plurality of batching mechanisms are arranged on the periphery of the frame, a pre-stirring mechanism is arranged in the middle of each batching mechanism, a stirring mechanism is arranged below each pre-stirring mechanism, each batching mechanism comprises a base, a weightless weighing module and a batching motor which are arranged on the base, a bucket body is arranged on the weightless weighing module, one side of the bucket body is provided with a feeding pipeline connected to the pre-stirring mechanism, feeding screws are arranged at the bottom of the bucket body and in the feeding pipeline, a batching stirring paddle is arranged above each feeding screw, and the feeding screws and the batching stirring paddles are driven by the batching motor; according to the utility model, the weightlessness weighing module is used for carrying out high-precision weighing, meanwhile, the batching motor is used for driving the feeding screw rod to carry out accurate quantitative feeding, and the multistage mixing structure is arranged, so that the mixing uniformity and content uniformity of materials can be improved.
Description
Technical Field
The utility model relates to the technical field of mixing equipment, in particular to a powder continuous mixing device.
Background
The powder continuous mixing device is used as a component part of powder continuous production in the pharmaceutical industry, and can be combined with a dry granulator to realize continuous dry granulation of the powder; can also be combined with a tablet press to realize continuous tablet pressing. The purposes of reducing operators, shortening the process time and improving the production efficiency can be achieved.
Because the pharmaceutical industry has extremely high requirements on mixing uniformity and content uniformity, and the ratio of the single material may be low, the existing continuous mixing device cannot meet the requirements on high-precision quantitative multi-material mixing, for example, the Chinese patent with publication number of CN 216677950U discloses a powder mixing device, and the Chinese patent with publication number of CN 206215067U discloses a powder mixing continuous production device, both of which cannot meet the requirements.
Disclosure of Invention
The utility model aims to overcome the defects and the shortcomings of the prior art and provide a powder continuous mixing device for high-precision quantitative feeding.
The technical scheme adopted by the utility model is as follows: the powder continuous mixing device comprises a frame and a control system, wherein a plurality of batching mechanisms are arranged on the periphery of the frame, a pre-stirring mechanism is arranged in the middle of each batching mechanism, a stirring mechanism is arranged below each pre-stirring mechanism, each batching mechanism comprises a base, a weightlessness weighing module and a batching motor which are arranged on the base, a bucket body is arranged on the weightlessness weighing module, a feeding pipeline is arranged on one side of the bucket body and connected to the pre-stirring mechanism,
a feeding screw is arranged in the bottom of the hopper body and the feeding pipeline, a batching stirring paddle is arranged above the feeding screw, and the feeding screw and the batching stirring paddle are driven by a batching motor;
the weightlessness weighing module is connected with the control system;
the pre-stirring mechanism is used for cutting and mixing materials and conveying the materials to the stirring mechanism;
the stirring mechanism is used for further mixing and conveying materials.
The base is characterized in that a support is arranged on one side of the base, the batching motor is arranged on the support, a first rotating shaft connected with the batching motor, a second rotating shaft arranged in parallel with the first rotating shaft, a first gear arranged on the first rotating shaft, a second gear arranged on the second rotating shaft and a chain arranged on the first gear and the second gear are arranged in the support, and the second rotating shaft is connected with a batching stirring paddle.
The pre-stirring mechanism comprises a bin body, a cutter-shaped stirring paddle arranged in the bin body and a pre-stirring motor arranged above the bin body, wherein the tail end of the feeding pipeline is connected with the bin body, and the cutter-shaped stirring paddle comprises a pre-stirring rotating shaft connected with the pre-stirring motor and a plurality of cutter-shaped paddles arranged on the pre-stirring rotating shaft.
The stirring mechanism comprises a barrel body communicated with the bin body, a stirring shaft arranged in the barrel body and stirring blades arranged on the stirring shaft, wherein one side of the barrel body is provided with a stirring motor connected with the stirring shaft, and the other side of the barrel body is provided with a discharging channel.
The stirring blade is a straight blade or a plow blade.
The stirring blade is a straight blade and a plow blade which are installed in a crossing way.
The cylinder is arranged at an inclination angle of 8-12 degrees compared with the horizontal plane.
The system also comprises a detection module connected with the control system, wherein the detection module adopts near infrared spectrum contrast detection.
The control system adopts a PLC and an HMI.
The frame is provided with at least one feeding mechanism for feeding the batching mechanism.
The beneficial effects of the utility model are as follows: according to the utility model, through the weightless weighing module, the weightless weighing module comprises a high-precision single-point weighing sensor, the weight of materials can be precisely weighed at high frequency, meanwhile, the proportioning motor adopts the servo motor, the feeding screw rod can be driven to achieve precise rotation speed control, the flow rate of the materials conveyed to the pre-stirring mechanism is kept consistent with a set value, moreover, the materials can be scattered by the proportioning stirring paddle, the conveying efficiency is improved, and the materials are sequentially subjected to multistage mixing through the pre-stirring mechanism and the stirring mechanism, so that the mixing uniformity and the content uniformity of the materials are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is an exploded view of the dosing mechanism of the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic illustration of a pre-stirring mechanism and stirring mechanism according to the present utility model;
FIG. 5 is a cross-sectional view of a pre-stirring mechanism and stirring mechanism of the present utility model;
FIG. 6 is a schematic view of a cutter-like stirring paddle according to the present utility model;
FIG. 7 is a schematic view of a stirring mechanism according to the present utility model;
FIG. 8 is an enlarged view at B in FIG. 7;
in the figure, 1-frame, 2-batching mechanism, 21-base, 22-weightless weighing module, 23-batching motor, 24-bucket body, 25-feeding pipeline, 26-feeding screw, 27-batching stirring paddle, 201-support, 202-first pivot, 203-second pivot, 204-first gear, 205-second gear, 206-chain, 207-batching stirring paddle, 3-pre-stirring mechanism, 31-bin body, 32-cutter-shaped stirring paddle, 321-pre-stirring pivot, 322-cutter-shaped paddle, 33-pre-stirring motor, 4-stirring mechanism, 41-barrel, 42-stirring shaft, 43-stirring paddle, 431-flat paddle, 432-plow-blade, 44-stirring motor, 45-discharging channel, 5-feeding mechanism.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 8, an embodiment of the present utility model is provided:
the utility model provides a powder continuous mixing device, its includes frame 1 and control system, the frame 1 goes up the circumference and is provided with a plurality of batching mechanism 2, in this embodiment, is provided with four batching mechanism 2, of course also can set up corresponding quantity according to actual demand, generally 4-10, each batching mechanism 2 is provided with pre-stirring mechanism 3 in the middle of, pre-stirring mechanism 3 below is provided with stirring mechanism 4, batching mechanism 2 is including base 21, the weightless weighing module 22 and the batching motor 23 of setting on base 21, wherein, weightless weighing module 22 contains the weighing sensor of high accuracy single-point weighing, can high-frequency accurate material's weight, and batching motor 23 adopts servo motor, be provided with bucket body 24 on the weightless weighing module 22, bucket body 24 one side is provided with feeding pipeline 25 and is connected to pre-stirring mechanism 3, four batching mechanism 2 all are connected to pre-stirring mechanism 3 through feeding pipeline 25, bucket body 24 bottom and feeding pipeline 25 are provided with feeding mechanism 4, feeding screw 26 top is provided with feeding screw rod 26, 26 top is provided with the weighing sensor that the high accuracy single-point weighs, and the accurate batching motor 27 is kept the batching is driven to the material by the servo motor of stirring system, and the stirring system is accomplished to the required speed of the stirring motor of the servo motor of the stirring, and the feeding system is kept the required to be controlled by the stirring screw rod 27.
The weightless weighing module 22 is connected with the control system, the pre-stirring mechanism 3 is used for cutting and mixing materials and conveying the materials to the stirring mechanism 4, and the stirring mechanism 4 is used for further mixing and conveying the materials, so that multi-stage mixing is more uniform.
Specifically, a support 201 is disposed on one side of the base 21, the batching motor 23 is disposed on the support 201, a first rotating shaft 202 connected with the batching motor 23, a second rotating shaft 203 disposed parallel to the first rotating shaft 202, a first gear 204 disposed on the first rotating shaft 202, a second gear 205 disposed on the second rotating shaft 203, and a chain 206 disposed on the first gear 204 and the second gear 205 are disposed in the support 201, the second rotating shaft 203 is connected with the batching stirring paddle 27, and a single driving source is used for driving, so that the synchronism of the mechanism action is ensured, and the manufacturing cost is reduced.
The pre-stirring mechanism 3 comprises a bin body 31, a cutter-shaped stirring paddle 32 arranged in the bin body 31 and a pre-stirring motor 33 arranged above the bin body 31, the tail end of the feeding pipeline 25 is connected with the bin body 31, the cutter-shaped stirring paddle 32 comprises a pre-stirring rotating shaft 321 connected with the pre-stirring motor 33 and a plurality of cutter-shaped paddles 322 arranged on the pre-stirring rotating shaft 321, in the embodiment, one side of each cutter-shaped paddle 322 is provided with a cutting edge, compared with the horizontal plane, the cutting edge is arranged in a downward inclined mode by 5-15 degrees, preferably 10 degrees, the cutter-shaped paddles 322 are distributed on the circumferential side wall of the pre-stirring rotating shaft 321 in a cross shape, wherein the cutter-shaped paddles 322 on different straight lines are positioned at different horizontal heights, and the pre-stirring mechanism 3 can cut and mix bulk materials added into the pre-stirring mechanism 3 in the batching mechanism 2, so that the materials discharged from the pre-stirring mechanism 3 cannot be layered.
The stirring mechanism 4 comprises a cylinder 41 communicated with the bin body 31, a stirring shaft 42 arranged in the cylinder 41 and stirring paddles 43 arranged on the stirring shaft 42, wherein one side of the cylinder 41 is provided with a stirring motor 44 connected with the stirring shaft 42, and the other side of the cylinder 41 is provided with a discharging channel 45, wherein the stirring paddles 43 are straight paddles 431 or plow paddles 432, the stirring paddles 43 can also be arranged by crossing the straight paddles 431 with the plow paddles 432, the cylinder 41 is arranged at an inclined angle of 8-12 degrees, preferably 10 degrees, compared with the horizontal plane, when the stirring paddles 43 push materials from an inlet to an outlet, the materials slide towards the inlet under the action of gravity, and the materials rotate and slide in a mixing cavity to generate convection and diffusion motions, so that the mixing of the materials is finally realized. In this embodiment, the bucket 24, the bin 31 and the cylinder 41 are all designed with arc transition for cleaning.
The detection module is connected with the control system, the detection module adopts near infrared spectrum contrast detection, and the characteristic information of the hydrogen-containing groups of the organic molecules in the sample can be obtained by scanning the near infrared spectrum of the sample. The content of a certain component in the sample can be analyzed through the comparison of the near infrared spectrum of the sample and the spectrum set collected on line, so that the mixing uniformity and the content uniformity can be calculated. When the deviation between the mixing uniformity and the content uniformity and the set value is calculated to be smaller, the mixing uniformity and the content uniformity can be adjusted by controlling the material conveying rotating speed of the batching mechanism 2 and the stirring rotating speed of the stirring mechanism 4 so that the result is within the set value. If the adjustment fails, the machine is stopped in a warning way, and unqualified finished products are prevented from being generated.
In this embodiment, the control system adopts PLC and HMI, which can realize the input and adjustment of the formulation, control the motion state of each mechanism, and adjust the motion state of each module after comparing the result of the on-line detection module with the set value, so as to ensure the stability and consistency of the mixing uniformity and content uniformity.
The frame 1 is provided with at least one feeding mechanism 5 for feeding materials to the batching mechanism 2, the feeding mechanism 5 adopts a vacuum feeding machine or an interlayer blanking machine, and the vacuum feeding machine and the interlayer blanking machine are common feeding devices in the field, can be used for adding heavier materials, and can be used for directly and manually feeding materials in a lighter manner.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. The utility model provides a powder continuous mixing device, its characterized in that includes frame (1) and control system, the circumference is provided with a plurality of proportioning mechanism (2) on frame (1), is provided with in the middle of each proportioning mechanism (2) and mixes mechanism (3) in advance, be provided with rabbling mechanism (4) in advance in the below of stirring mechanism (3), proportioning mechanism (2) are including base (21), weight loss weighing module (22) and batching motor (23) of setting on base (21), be provided with bucket body (24) on the weight loss weighing module (22), bucket body (24) one side is provided with feeding pipeline (25) and is connected to pre-stirring mechanism (3);
a feeding screw (26) is arranged at the bottom of the bucket body (24) and in the feeding pipeline (25), a batching stirring paddle (27) is arranged above the feeding screw (26), and the feeding screw (26) and the batching stirring paddle (27) are driven by a batching motor (23);
the weightlessness weighing module (22) is connected with the control system;
the pre-stirring mechanism (3) is used for mixing materials while cutting and conveying the materials to the stirring mechanism (4);
the stirring mechanism (4) is used for further mixing and conveying materials.
2. The powder continuous mixing device according to claim 1, wherein a bracket (201) is arranged on one side of the base (21), the batching motor (23) is arranged on the bracket (201), a first rotating shaft (202) connected with the batching motor (23), a second rotating shaft (203) arranged in parallel with the first rotating shaft (202), a first gear (204) arranged on the first rotating shaft (202), a second gear (205) arranged on the second rotating shaft (203) and a chain (206) arranged on the first gear (204) and the second gear (205) are arranged in the bracket (201), and the second rotating shaft (203) is connected with the batching stirring paddle (27).
3. The powder continuous mixing device according to claim 2, wherein the pre-stirring mechanism (3) comprises a bin body (31), a cutter-shaped stirring paddle (32) arranged in the bin body (31) and a pre-stirring motor (33) arranged above the bin body (31), the tail end of the feeding pipeline (25) is connected to the bin body (31), and the cutter-shaped stirring paddle (32) comprises a pre-stirring rotating shaft (321) connected with the pre-stirring motor (33) and a plurality of cutter-shaped paddles (322) arranged on the pre-stirring rotating shaft (321).
4. A powder continuous mixing device according to claim 3, wherein the stirring mechanism (4) comprises a cylinder (41) communicated with the bin body (31), a stirring shaft (42) arranged in the cylinder (41) and stirring blades (43) arranged on the stirring shaft (42), one side of the cylinder (41) is provided with a stirring motor (44) connected with the stirring shaft (42), and the other side of the cylinder (41) is provided with a discharging channel (45).
5. The powder continuous mixing apparatus as claimed in claim 4, wherein the stirring blade (43) is a straight blade (431) or a plow blade (432).
6. A powder continuous mixing apparatus as claimed in claim 4, wherein the stirring blade (43) is a straight blade (431) mounted crosswise to the plow blade (432).
7. A powder continuous mixing apparatus as claimed in claim 4, wherein the barrel (41) is inclined at an angle of 8 ° -12 ° relative to the horizontal.
8. The powder continuous mixing device according to claim 1, further comprising a detection module connected to the control system, wherein the detection module employs near infrared spectrum contrast detection.
9. The powder continuous mixing apparatus of claim 1, wherein the control system employs a PLC and HMI.
10. A powder continuous mixing device according to claim 1, characterized in that the frame (1) is provided with at least one charging mechanism (5) for charging the dosing mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320583384.9U CN219559445U (en) | 2023-03-20 | 2023-03-20 | Powder continuous mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320583384.9U CN219559445U (en) | 2023-03-20 | 2023-03-20 | Powder continuous mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219559445U true CN219559445U (en) | 2023-08-22 |
Family
ID=87667740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320583384.9U Active CN219559445U (en) | 2023-03-20 | 2023-03-20 | Powder continuous mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219559445U (en) |
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2023
- 2023-03-20 CN CN202320583384.9U patent/CN219559445U/en active Active
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