CN211643931U - Accurate metering device for oily powdery material - Google Patents
Accurate metering device for oily powdery material Download PDFInfo
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- CN211643931U CN211643931U CN202020080372.0U CN202020080372U CN211643931U CN 211643931 U CN211643931 U CN 211643931U CN 202020080372 U CN202020080372 U CN 202020080372U CN 211643931 U CN211643931 U CN 211643931U
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- metering
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- feed hopper
- oily
- feeding
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Abstract
An accurate metering device for oily powdery materials relates to the technical field of metering tools, and adopts the technical scheme that the accurate metering device comprises a conical feed hopper, wherein a metering pipe is arranged at the bottom of the feed hopper, a cover plate is arranged at the top of the feed hopper, the cover plate is connected with a rotary power device through a support, and the rotary power device is connected with a metering system through signals; the rotary power device is connected with a rotating shaft, a spiral blade is arranged on the rotating shaft, the spiral blade comprises a feeding section and a metering section, and the outer contour of the feeding section is conical; the bottom of the feeding section is connected with the metering section into a whole, the diameter of the bottom of the feeding section is the same as that of the metering section, the outer edge of the metering section is in clearance fit with the inner wall of the metering pipe, and the distance between adjacent blades in the metering section is the same; and a dispersing device is arranged at the bottom of the rotating shaft. The utility model provides an empty pipe phenomenon, it is more even when unloading the material, improved measurement accuracy nature.
Description
Technical Field
The utility model relates to a measuring tool technical field especially relates to an oily powdery material accurate measurement device.
Background
The ganoderma lucidum spore powder has extremely high medicinal value and has the characteristics of light specific gravity, heavy oil content, easy caking and high price. In the prior art, a screw metering device is used for metering ganoderma lucidum spore powder entering a production flow, the screw metering device comprises a feed hopper, a metering pipe and a screw, but the size of blades of the screw is unchanged, the oil content of the spore powder is heavy and easy to agglomerate, the spore powder is not easy to be brought into the metering pipe, and the metering pipe is often empty, so that the metering device is inaccurate in metering and has a large error; spore powder is extruded in the metering tube, and when the metering tube mouth discharges, the spore powder is blocky and drops, and the discharge capacity is inhomogeneous, causes the interference to the metering result.
SUMMERY OF THE UTILITY MODEL
To oily powdery material be difficult to get into the metering tube in prior art scheme and cause empty pipe phenomenon, the inhomogeneous unsafe problem that causes of measurement of load, the utility model provides an oily powdery material accurate measurement device.
The utility model provides a following technical scheme: an accurate metering device for oily powdery materials comprises a conical feed hopper, wherein a metering pipe is arranged at the bottom of the feed hopper, a cover plate is arranged at the top of the feed hopper, the cover plate is connected with a rotary power device through a support, and the rotary power device is in signal connection with a metering system; the rotary power device is also connected with a rotating shaft, the rotating shaft is provided with a helical blade, the helical blade comprises a feeding section and a metering section, and the outer contour of the feeding section is conical; the bottom of the feeding section is connected with the metering section into a whole, the diameter of the bottom of the feeding section is the same as that of the metering section, the outer edge of the metering section is in clearance fit with the inner wall of the metering pipe, and the distance between adjacent blades in the metering section is the same; the utility model discloses a fan blade, including pivot, dispersion devices, installation ring, fan blade, pivot bottom is provided with dispersion devices, dispersion devices includes the installation ring, evenly be provided with the flabellum of a plurality of slopes on the installation ring outer wall.
Preferably, the angle of inclination of the side of the tapered outer profile of the feed section of the helical blade is greater than the angle of inclination of the side wall of the feed hopper.
Preferably, the clearance between the outer edge of the metering section and the inner wall of the metering pipe is 0.1-0.5 mm.
Preferably, there are at least 4 of said blades.
As a specific implementation mode, the metering system comprises a control unit, a timing unit, a data processing unit and a display unit, wherein the control unit is in signal connection with the rotating power device and the timing unit, the timing unit is in signal connection with the data processing unit, and the data processing unit is in signal connection with the display unit.
Preferably, the rotary power device is a servo motor.
Preferably, a transparent viewing port is further arranged on the side wall of the feed hopper.
Preferably, the cover plate is provided with a feeding hole, and a feeding door is hinged to the feeding hole.
The utility model has the advantages that: the diameter of the feeding section of the helical blade, namely the part of the helical blade in the feed hopper, is gradually reduced from top to bottom, the rotating range can cover most of the area of the feed hopper, and large oily powdery materials are more easily dispersed under the action of the helical blade, so that the oily powdery materials can more easily enter the metering pipe, and the phenomenon of empty pipe is prevented; oily powdery material is in closely knit state in the metering tube, easily gathers to be cubic, dispersion devices passes through flabellum pivoted cutting action, can stir oily powdery material and scatter, makes the ejection of compact more even, accords with the measurement result.
Drawings
Fig. 1 is a three-dimensional schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
Fig. 4 is a three-dimensional schematic view of an embodiment of the present invention.
Figure 5 is a side view of an embodiment of a rotating blade of the present invention.
Fig. 6 is a three-dimensional schematic diagram of an embodiment of a dispersing device according to the present invention.
Fig. 7 is a signal connection diagram of an embodiment of the metering system of the present invention.
Reference numerals: 1-feed hopper, 2-metering tube, 3-cover plate, 31-feed inlet, 32-feed gate, 4-support, 5-rotary power device, 6-rotating shaft, 7-helical blade, 71-feed section, 72-metering section, 8-dispersing device, 81-mounting ring and 82-fan blade.
Detailed Description
The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides an accurate metering device for oily powdery materials as shown in figures 1 and 2, which comprises a conical feed hopper 1, wherein a metering pipe 2 is arranged at the bottom of the feed hopper 1, a cover plate 3 is arranged at the top of the feed hopper 1, the cover plate 3 is connected with a rotating power device 5 through a bracket 4, and the rotating power device 5 is in signal connection with a metering system; the rotary power device 5 is further connected with a rotating shaft 6, a spiral blade 7 is arranged on the rotating shaft 6, the spiral blade 7 comprises a feeding section 71 and a metering section 72, and the outer contour of the feeding section 71 is conical; the bottom of the feeding section 71 is connected with the metering section 72 into a whole, the diameter of the bottom of the feeding section 71 is the same as that of the metering section 72, the outer edge of the metering section 72 is in clearance fit with the inner wall of the metering pipe 2, and the distance between adjacent blades in the metering section 72 is the same; the bottom of the rotating shaft 6 is provided with a dispersing device 8, the dispersing device 8 comprises a mounting ring 81, and a plurality of inclined fan blades 82 are uniformly arranged on the outer wall of the mounting ring 81.
The feed hopper, the metering pipe, the cover plate, the support, the rotating shaft, the helical blade and the dispersing device can be made of stainless steel, and the surface of the feed hopper, the metering pipe, the cover plate, the support, the rotating shaft, the helical blade and the dispersing device, which is in contact with the oily powdery material, is polished and ground, so that the oily powdery material is not easy to adhere to equipment. The feed hopper is conical with a large upper part and a small lower part, and the self weight of the oily powdery material can assist in discharging; a small-section cylindrical bin can be additionally arranged at the top of the container, so that the volume and the charging amount of the container are increased.
As shown in fig. 2 and 3, one end of the rotating shaft is connected to the rotating power device, and the other end of the rotating shaft penetrates through the bracket and the cover plate to extend downwards and finally is flush with the bottom of the metering pipe. As shown in figures 4 and 5, the feeding section of the helical blade, namely the part of the helical blade in the feeding hopper, is conical in outer contour, so that the action range of the helical blade is enlarged, most of oily powdery materials in the feeding hopper can move under the influence of the helical blade, caking is prevented, uniform dispersion is ensured when the oily powdery materials are fed into a metering pipe, and the influence on the metering accuracy due to the empty pipe is avoided. The metering section is a part of the helical blade in the metering pipe, the diameter of the metering section is the same as that of the bottom of the feeding section, and the top of the metering section is connected with the bottom of the feeding section to form a complete structure.
As shown in fig. 6, the plurality of blades of the dispersing device are fixed on the rotating shaft in an inclined shape through the mounting ring and are uniformly distributed. Oily powdery material has certain closely knit degree after through the metering tube, constantly cuts oily powdery material at the rotation effect through dispersion devices, can break up oily powdery material again, and oily powdery material becomes the piece and drops when preventing to unload, makes the discharge capacity inhomogeneous, surpasss the metering value to influence the accuracy of measurement.
When the utility model works, the rotary power device can be started firstly, after the rotating speed of the helical blade is stable, the oily powdery material is added into the feed hopper, and the oily powdery material fills the cavity between the blades at the bottom of the feed section under the action of the self gravity; the oily powdery material has high viscosity, and the helical blades disperse and extrude the oily powdery material downwards to gradually fill the metering pipe, and finally the oily powdery material is discharged from the bottom of the metering pipe. When the oily powdery material is continuously and uniformly discharged, the metering can be started. When the material level of material in the feeding hopper reaches the end, stop the measurement, prevent that the measuring pipe from appearing the empty pipe and influencing the measurement accuracy.
The metering tube is in clearance fit with the metering section of the helical blade, and the oily powdery material keeps certain compactness and uniformity in the metering tube under the action of the viscosity of the oily powdery material and the helical blade. As shown in fig. 5, the distances S between adjacent blades in the metering tube are the same, the displacement of the oily powdery material is constant every time the helical blade rotates 360 degrees, and the volume of the oily powdery material pushed downwards by the helical blade is a fixed value; the rotating speed of the helical blade is fixed, the metering system can measure the metering time, the number of rotating turns can be obtained by multiplying the rotating speed by the metering time, and the number of the rotating turns is multiplied by the volume of the oily powdery material pushed by each turn of the helical blade, so that the total volume of the oily powdery material passing through the metering pipe during metering is obtained.
Preferably, the angle of inclination of the side of the tapered outer profile of the feed section 71 of the helical blade 7 is greater than the angle of inclination of the side wall of the feed hopper 1.
As shown in fig. 3, the side of the tapered outer contour of the feed section has an inclination angle α, and the side wall of the feed hopper has an inclination angle β, α > β, so that there is a certain clearance between the feed section and the side wall of the feed hopper. The diameter of the feeding section of the helical blade is changed in a tapered mode, the conveying capacity of the screw feeder is gradually reduced along with the reduction of the diameter, and redundant oily powdery materials are accumulated in the feeding hopper. A certain gap is formed between the feeding section and the side wall of the feeding hopper, so that redundant oily powdery materials have a pressure release space, and the phenomenon that the excessive oily powdery materials are excessively extruded by a helical blade to cause overlarge compactness and caking is avoided.
Preferably, the clearance between the outer edge of the metering section 72 and the inner wall of the metering pipe 2 is 0.1-0.5 mm.
The clearance between the outer edge of measurement section and the inner wall of measurement pipe should not too big, and too big then can be because the gravity of oily powdery material is greater than inside adhesion, directly drops from the clearance, influences the measurement accuracy.
Preferably, there are at least 4 of the fan blades 82.
When unloading, the oily powdery material should keep sufficient dispersion degree, and then the dispersion device needs sufficient quantity of flabellum, and the more the flabellum, the better the dispersion degree.
As a specific embodiment, the metering system comprises a control unit, a timing unit, a data processing unit and a display unit, wherein the control unit is in signal connection with the rotating power device 5 and the timing unit, the timing unit is in signal connection with the data processing unit, and the data processing unit is in signal connection with the display unit.
In a preferred embodiment, the rotary power unit is given a nominal speed, the control unit controls the rotary power unit and the switches of the metering system, the timing unit of the metering system measures the metering time and transmits this information to the data processing unit, and the data processing unit multiplies the nominal speed by the time to obtain the number of revolutions and the volume of the oily powdery material to be pushed and conveyed by one revolution to obtain the total volume of the oily powdery material passing through the metering tube during the time.
The control unit can select a plurality of button switches, the timing unit can select a DS3231 timing chip, and the data processing unit can select a Mitsubishi FX2N series PLC programmable controller to process data and transmit a metering result to the display unit to be displayed. The display unit can select an LED digital display. The signal connection of the metering system is shown in fig. 7.
Preferably, the rotary power device 5 is a servo motor.
In another preferred embodiment, the servo motor can be started and stopped quickly, the position precision is very accurate, and the measurement precision is further improved.
Preferably, a transparent viewing port is further arranged on the side wall of the feed hopper 1.
The material level of oily powdery material in the feeder hopper is observed to the transparent viewing aperture of accessible, makes things convenient for the operator in time to react.
Preferably, the cover plate 3 is provided with a feeding port 31, and a feeding door 32 is hinged on the feeding port 31.
The cover plate can be provided with a feeding port to facilitate feeding, and the feeding port is provided with a feeding door to prevent impurities from entering the feeding hopper.
The above is an embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. An accurate metering device for oily powdery materials comprises a conical feed hopper (1), wherein a metering pipe (2) is arranged at the bottom of the feed hopper (1), a cover plate (3) is arranged at the top of the feed hopper (1), the cover plate (3) is connected with a rotary power device (5) through a support (4), and the rotary power device (5) is in signal connection with a metering system;
rotate power device (5) and still be connected with pivot (6), be provided with helical blade (7) on pivot (6), its characterized in that: the helical blade (7) comprises a feeding section (71) and a metering section (72), and the outer contour of the feeding section (71) is conical; the bottom of the feeding section (71) is connected with the metering section (72) into a whole, the diameter of the bottom of the feeding section (71) is the same as that of the metering section (72), the outer edge of the metering section (72) is in clearance fit with the inner wall of the metering pipe (2), and the distance between adjacent blades in the metering section (72) is the same; the improved fan blade dispersing device is characterized in that a dispersing device (8) is arranged at the bottom of the rotating shaft (6), the dispersing device (8) comprises a mounting ring (81), and a plurality of inclined fan blades (82) are uniformly arranged on the outer wall of the mounting ring (81).
2. The accurate metering device for oily powdery materials as claimed in claim 1, characterized in that: the inclination angle of the side surface of the conical outer contour of the feeding section (71) of the helical blade (7) is larger than that of the side wall of the feed hopper (1).
3. The accurate metering device for oily powdery materials as claimed in claim 2, characterized in that: the clearance between the outer edge of the metering section (72) and the inner wall of the metering pipe (2) is 0.1-0.5 mm.
4. The accurate metering device for oily powdery materials as claimed in claim 3, characterized in that: at least 4 fan blades (82) are arranged.
5. The accurate metering device for oily powdery materials as claimed in claim 3, characterized in that: the metering system comprises a control unit, a timing unit, a data processing unit and a display unit, wherein the control unit is in signal connection with the rotary power device (5) and the timing unit, the timing unit is in signal connection with the data processing unit, and the data processing unit is in signal connection with the display unit.
6. The accurate metering device for oily powdery materials as claimed in claim 3, characterized in that: the rotating power device (5) is a servo motor.
7. The accurate metering device for oily powdery materials as claimed in claim 3, characterized in that: the side wall of the feed hopper (1) is also provided with a transparent viewing port.
8. The accurate metering device for oily powdery materials as claimed in claim 3, characterized in that: a feeding hole (31) is formed in the cover plate (3), and a feeding door (32) is hinged to the feeding hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080372.0U CN211643931U (en) | 2020-01-15 | 2020-01-15 | Accurate metering device for oily powdery material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020080372.0U CN211643931U (en) | 2020-01-15 | 2020-01-15 | Accurate metering device for oily powdery material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211643931U true CN211643931U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020080372.0U Expired - Fee Related CN211643931U (en) | 2020-01-15 | 2020-01-15 | Accurate metering device for oily powdery material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211643931U (en) |
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2020
- 2020-01-15 CN CN202020080372.0U patent/CN211643931U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20220115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |