CN218271827U - Powder bulk density measuring instrument - Google Patents
Powder bulk density measuring instrument Download PDFInfo
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- CN218271827U CN218271827U CN202222053218.6U CN202222053218U CN218271827U CN 218271827 U CN218271827 U CN 218271827U CN 202222053218 U CN202222053218 U CN 202222053218U CN 218271827 U CN218271827 U CN 218271827U
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Abstract
The utility model discloses a powder bulk density measuring instrument, which comprises a bracket, a vibration shaft, a vibration driving mechanism, a weighing part, a measuring cylinder, a scraping ruler and a scraping driving part; the vibration shaft is fixed on the bracket; the vibration driving mechanism is connected with the vibrating shaft and is used for driving the vibrating shaft to vibrate; the fixed end of the weighing part is fixed on the vibration shaft, and the measuring end of the weighing part is fixedly connected with the measuring cylinder; the scraping ruler is arranged at an opening at the upper end of the measuring cylinder; the scraping driving piece is connected with the scraping ruler and is used for driving the scraping ruler to rotate. The utility model provides a technical scheme's beneficial effect is: due to the arrangement of the vibration driving mechanism, the measuring cylinder can vibrate, so that the powder in the measuring cylinder is compacted, and the accuracy of the measurement result of the bulk density of the powder is improved.
Description
Technical Field
The utility model belongs to the technical field of the powder bulk density measurement technique and specifically relates to a powder bulk density measuring apparatu is related to.
Background
The bulk density of powder means the mass per unit volume measured immediately after filling of a container in which dust or powder is freely filled. Determination of powder bulk density is necessary for characterization of catalysts, foams, insulation, ceramics, powder metallurgy and other industrial products.
The existing powder bulk density measuring method is that dust freely falls down from a funnel opening at a certain height to fill a measuring cup, the mass of unit volume of dust in the measuring cup in a loose state is measured, namely the powder bulk density (for example, the Chinese utility model patent with the application number of CN 201720215742.5), however, when the powder enters the measuring cup, the powder is influenced by the filling speed and the self characteristics of the dust, a local unfilled state may occur in the measuring cup, and the powder bulk density obtained by measurement is smaller than a standard value, so that the powder bulk density measuring result is inaccurate.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a powder bulk density measuring apparatus, which is used to solve the technical problem that the result of the measured powder bulk density is inaccurate because the existing powder bulk density measuring apparatus is not provided with a tap mechanism to tap the dust in the measuring cup.
In order to achieve the purpose, the utility model provides a powder bulk density measuring instrument, which comprises a bracket, a vibration shaft, a vibration driving mechanism, a weighing part, a measuring cylinder, a scraping ruler and a scraping driving part;
the vibration shaft is fixed on the bracket;
the vibration driving mechanism is connected with the vibration shaft and is used for driving the vibration shaft to vibrate;
the fixed end of the weighing part is fixed on the vibration shaft, and the measuring end of the weighing part is fixedly connected with the measuring cylinder;
the scraping ruler is arranged at an opening at the upper end of the measuring cylinder;
the scraping driving piece is connected with the scraping ruler and is used for driving the scraping ruler to rotate.
In some embodiments, the vibration driving mechanism includes a rotating shaft, a rotating driving member, and a cam, the rotating shaft is rotatably disposed on the bracket, the rotating driving member is connected to the rotating shaft and is configured to drive the rotating shaft to rotate, the cam is fixed to the rotating shaft, and the cam is configured to abut against one end of the vibrating shaft.
In some embodiments, the rotary drive member is a rotary motor coupled to the rotary shaft and configured to drive the rotary shaft in rotation.
In some embodiments, the weighing member is an electronic balance, a housing of the electronic balance is fixed to the upper end of the vibration shaft, and a scale pan of the electronic balance is fixedly connected to the measuring cylinder.
In some embodiments, the powder bulk density measurement instrument further comprises a column fixed to the bracket, the scraper drive being mounted on the column.
In some embodiments, the scraping driving member includes a scraping mounting plate and a scraping driving motor, the scraping mounting plate is fixed on the column, a housing of the scraping driving motor is fixed on the scraping mounting plate, and an output shaft of the scraping driving motor is fixedly connected with the scraping ruler.
In some embodiments, the powder bulk density measuring instrument further includes a material pouring mechanism, the material pouring mechanism includes a material pouring funnel, the material pouring funnel is fixed on the upright, and an outlet of the material pouring funnel is communicated with an upper end opening of the measuring cylinder.
In some embodiments, the material dumping mechanism further comprises a material baffle plate and a material baffle driving part, wherein the material baffle driving part is connected with the material baffle plate and is used for driving the material baffle plate to rotate, so that the material baffle plate is covered at an outlet of the material dumping funnel or is separated from the outlet of the material dumping funnel.
In some embodiments, the material blocking driving part comprises a material blocking mounting plate and a material blocking driving motor, the material blocking mounting plate is fixed on the stand column, a shell of the material blocking driving motor is fixed on the material blocking mounting plate, and an output shaft of the material blocking driving motor is fixedly connected with the material blocking plate.
In some embodiments, the material pouring mechanism further includes a material receiving groove, the material receiving groove is fixed on the upright column and is arranged obliquely, the upper end of the material receiving groove is communicated with the outlet of the material pouring funnel, and the lower end of the material receiving groove is communicated with the upper opening of the measuring cylinder.
Compared with the prior art, the utility model provides a technical scheme's beneficial effect is: when using, at first measure empty quality of measuring a section of thick bamboo through weighing, then pour the powder that awaits measuring into in measuring a section of thick bamboo, in this process, through vibration actuating mechanism drive vibration axle vibration, thereby drive the vibration of the part of weighing, the part of weighing drives the vibration of measuring a section of thick bamboo, when measuring a section of thick bamboo vibration, can make the powder in it by the plain bumper, after being filled with the powder in measuring a section of thick bamboo, the dust continues to be the toper in the top of measuring a section of thick bamboo and piles up, after the powder is no longer piled up, scrape the chi rotation through scraping the material driving piece drive, thereby will measure the dust in the section of thick bamboo and strike off, at this moment, measure the quality that fills the measuring cylinder that has the dust through weighing, thereby can obtain the quality of the dust in the measuring cylinder, and then calculate and obtain powder bulk density. Because the utility model discloses be provided with vibration actuating mechanism, can make the vibration of measuring cylinder to make the powder in it by the plain bumper, improved the degree of accuracy of powder bulk density measuring result.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a powder bulk density measuring instrument provided by the present invention;
FIG. 2 is a schematic perspective view of the vibration-powered mechanism, weighing member and measuring cartridge of FIG. 1;
FIG. 3 is an enlarged partial view of area A of FIG. 2;
FIG. 4 is a schematic perspective view of the material pouring mechanism of FIG. 1;
in the figure: the device comprises a support 1, a vibration shaft 2, a vibration driving mechanism 3, a rotating shaft 31, a rotation driving piece 32, a cam 33, a weighing piece 4, a measuring cylinder 5, a scraping ruler 6, a scraping driving piece 7, a scraping mounting plate 71, a scraping driving motor 72, a vertical column 8, a material dumping mechanism 9, a material dumping funnel 91, a material blocking plate 92, a material blocking driving piece 93, a material blocking mounting plate 931, a material blocking driving motor 932 and a material receiving groove 94.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1 and 2, the utility model provides a powder bulk density measuring instrument, including support 1, vibration axle 2, vibration actuating mechanism 3, weighing part 4, measuring cylinder 5, scrape material chi 6 and scrape material driving piece 7.
The vibration shaft 2 is fixed on the bracket 1. The vibration driving mechanism 3 is connected with the vibration shaft 2 and is used for driving the vibration shaft 2 to vibrate. The fixed end of the weighing part 4 is fixed on the vibration shaft 2, the measuring end of the weighing part 4 is fixedly connected with the measuring cylinder 5, and the volume of the measuring cylinder 5 is known. The scraping ruler 6 is arranged at an opening at the upper end of the measuring cylinder 5. The scraping driving piece 7 is connected with the scraping ruler 6 and used for driving the scraping ruler 6 to rotate.
When using, at first measure empty measuring cylinder 5's quality through weighing piece 4, then pour the powder that awaits measuring into measuring cylinder 5, in this process, through the vibration of vibration actuating mechanism 3 drive vibration axle 2, thereby drive weighing piece 4 vibration, weighing piece 4 drives measuring cylinder 5 vibration, when measuring cylinder 5 vibrates, can make the powder in it be vibrated down, after being filled with the powder in measuring cylinder 5, the dust continues to be the toper in measuring cylinder 5's top and piles up, after no longer piling up to the powder, scrape material chi 6 rotation through scraping material driving piece 7 drive, thereby scrape the dust of measuring cylinder 5 flat, at this moment, measure the quality of filling with measuring cylinder 5 of dust through weighing piece 4, thereby can obtain the quality of the dust of measuring cylinder 5 in, and then calculate and obtain powder bulk density. Because the utility model discloses be provided with vibration actuating mechanism 3, can make 5 vibrations of measuring cylinder to make the powder in it by the plain bumper, improved the degree of accuracy of powder bulk density measuring result.
In order to specifically realize the function of the vibration driving mechanism 3, please refer to fig. 1-3, in a preferred embodiment, the vibration driving mechanism 3 includes a rotating shaft 31, a rotation driving member 32 and a cam 33, the rotating shaft 31 is rotatably disposed on the bracket 1, the rotation driving member 32 is connected to the rotating shaft 31 and is used for driving the rotating shaft 31 to rotate, the cam 33 is fixed on the rotating shaft 31, the cam 33 is used for abutting against one end of the vibration shaft 2, when in use, the rotation driving member 32 drives the rotating shaft 31 to rotate, so as to drive the cam 33 to rotate, and when the cam 33 rotates to the top, the cam 33 abuts against one end of the vibration shaft 2, so as to drive the vibration shaft 2 to vibrate, and further drive the weighing member 4 and the measuring cylinder 5 to vibrate.
In order to implement the function of the rotation driving member 32, referring to fig. 1-3, in a preferred embodiment, the rotation driving member 32 is a rotation motor, and the rotation motor is connected to the rotation shaft 31 and is used for driving the rotation shaft 31 to rotate.
In order to specifically realize the function of the weighing member 4, please refer to fig. 1 and fig. 2, in a preferred embodiment, the weighing member 4 is an electronic balance, a housing of the electronic balance is fixed at the upper end of the vibration shaft 2, and a scale pan of the electronic balance is fixedly connected with the measuring cylinder 5.
In order to facilitate the installation of the scraping drive member 7, referring to fig. 1 and 4, in a preferred embodiment, the powder bulk density measuring apparatus further includes a column 8, the column 8 is fixed on the bracket 1, and the scraping drive member 7 is installed on the column 8.
In order to realize the function of the scraping driving member 7, referring to fig. 1 and 4, in a preferred embodiment, the scraping driving member 7 includes a scraping mounting plate 71 and a scraping driving motor 72, the scraping mounting plate 71 is fixed on the column 8, a housing of the scraping driving motor 72 is fixed on the scraping mounting plate 71, an output shaft of the scraping driving motor 72 is fixedly connected with the scraping ruler 6, and the scraping driving motor 72 drives the scraping ruler 6 to rotate, so as to realize the scraping function.
In order to facilitate material pouring, please refer to fig. 1 and fig. 4, in a preferred embodiment, the powder bulk density measuring apparatus further includes a material pouring mechanism 9, the material pouring mechanism 9 includes a material pouring funnel 91, the material pouring funnel 91 is fixed on the column 8, an outlet of the material pouring funnel 91 is communicated with an upper end opening of the measuring cylinder 5, when in use, the powder is poured into the material pouring funnel 91, and then the powder falls into the measuring cylinder 5 from the outlet of the material pouring funnel 91.
In order to facilitate the control of the opening or closing of the outlet of the material pouring funnel 91, please refer to fig. 1 and 4, in a preferred embodiment, the material pouring mechanism 9 further includes a material blocking plate 92 and a material blocking driving member 93, the material blocking driving member 93 is connected to the material blocking plate 92 and is used for driving the material blocking plate 92 to rotate, so that the material blocking plate 92 is covered on the outlet of the material pouring funnel 91 or separated from the outlet of the material pouring funnel 91, thereby controlling the opening or closing of the outlet of the material pouring funnel 91.
In order to specifically realize the functions of the material blocking driving member 93, referring to fig. 1 and 4, in a preferred embodiment, the material blocking driving member 93 includes a material blocking mounting plate 931 and a material blocking driving motor 932, the material blocking mounting plate 931 is fixed on the column 8, a housing of the material blocking driving motor 932 is fixed on the material blocking mounting plate 931, and an output shaft of the material blocking driving motor 932 is fixedly connected to the material blocking plate 92.
In order to observe the characteristics of the powder, referring to fig. 1 and 4, in a preferred embodiment, the material pouring mechanism 9 further includes a material receiving groove 94, the material receiving groove 94 is fixed on the upright 8 and is arranged obliquely, an upper end of the material receiving groove 94 is communicated with the outlet of the material pouring funnel 91, and a lower end of the material receiving groove 94 is communicated with the upper opening of the measuring cylinder 5.
It will be appreciated that the scraped-off powder will fall to the weighing member 4 in small amounts, and in order to avoid affecting the measurement result, the powder falling to the weighing member 4 is cleaned before the weighing member 4 is weighed.
For better understanding of the present invention, the following detailed description is made with reference to fig. 1 to 4 to illustrate the working process of the powder bulk density measuring instrument provided by the present invention: when using, at first measure empty measuring cylinder 5's quality through weighing 4, then pour the powder that awaits measuring into in the hopper 91 of falling, then drive striker plate 92 through keeping off material driving motor 932 and rotate, make the lower extreme of hopper 91 open, thereby the powder in the hopper 91 of falling falls to connect in the silo 94, landing again to measuring cylinder 5 in, at this in-process, drive vibration shaft 2 vibration through vibration actuating mechanism, thereby drive weighing 4 vibration, weighing 4 drives measuring cylinder 5 vibration, when measuring cylinder 5 vibrates, can make its interior powder be vibrated, after being filled with the powder in measuring cylinder 5, the dust continues to be the toper and piles up in measuring cylinder 5's top, after the powder is no longer piled up (when electronic balance continuous cubic reading change is no longer than five thousandths of the previous reading, then think that the powder is no longer piled up), scrape material chi 6 rotation through scraping driving piece 7 drive, thereby strickle the dust in measuring cylinder 5, this moment, measure the quality that the packing has the dust through measuring 4, thereby the powder obtains piling up in 5 of dust, thereby the powder density calculation. Because the utility model discloses be provided with vibration actuating mechanism 3, can make 5 vibrations of measuring cylinder to make the powder in it by the plain bumper, improved the degree of accuracy of powder bulk density measuring result.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A powder bulk density measuring instrument is characterized by comprising a bracket, a vibration shaft, a vibration driving mechanism, a weighing part, a measuring cylinder, a scraping ruler and a scraping driving part;
the vibration shaft is fixed on the bracket;
the vibration driving mechanism is connected with the vibrating shaft and is used for driving the vibrating shaft to vibrate;
the fixed end of the weighing part is fixed on the vibration shaft, and the measuring end of the weighing part is fixedly connected with the measuring cylinder;
the scraping ruler is arranged at an opening at the upper end of the measuring cylinder;
the scraping driving piece is connected with the scraping ruler and used for driving the scraping ruler to rotate.
2. The powder bulk density measurement instrument according to claim 1, wherein the vibration drive mechanism includes a rotating shaft rotatably provided on the holder, a rotary drive member connected to the rotating shaft and configured to drive the rotating shaft to rotate, and a cam fixed to the rotating shaft and configured to abut against one end of the vibrating shaft.
3. The powder bulk density measurement instrument of claim 2, wherein the rotary driving member is a rotary motor connected to the rotary shaft and configured to drive the rotary shaft to rotate.
4. The powder bulk density measurement instrument according to claim 1, wherein the weighing member is an electronic balance, a housing of the electronic balance is fixed to an upper end of the vibration shaft, and a pan of the electronic balance is fixedly connected to the measuring cylinder.
5. The powder bulk density measurement instrument of claim 1, further comprising a post fixed to the bracket, the scraper drive being mounted to the post.
6. The powder bulk density measuring instrument according to claim 5, wherein the scraping driving member includes a scraping mounting plate and a scraping driving motor, the scraping mounting plate is fixed to the pillar, a housing of the scraping driving motor is fixed to the scraping mounting plate, and an output shaft of the scraping driving motor is fixedly connected to the scraping ruler.
7. The powder bulk density measurement instrument according to claim 5, further comprising a pouring mechanism, wherein the pouring mechanism comprises a pouring funnel, the pouring funnel is fixed on the upright, and an outlet of the pouring funnel is communicated with an upper end opening of the measuring cylinder.
8. The powder bulk density measuring instrument of claim 7, wherein the material dumping mechanism further comprises a material baffle plate and a material baffle driving member, the material baffle driving member is connected with the material baffle plate and used for driving the material baffle plate to rotate, so that the material baffle plate is covered at an outlet of the material dumping funnel or separated from the outlet of the material dumping funnel.
9. The powder bulk density measuring instrument of claim 8, wherein the material blocking driving part comprises a material blocking mounting plate and a material blocking driving motor, the material blocking mounting plate is fixed on the column, a shell of the material blocking driving motor is fixed on the material blocking mounting plate, and an output shaft of the material blocking driving motor is fixedly connected with the material blocking plate.
10. The powder bulk density measurement instrument according to claim 7, wherein the pouring mechanism further comprises a receiving groove fixed to the column and disposed obliquely, an upper end of the receiving groove communicates with the outlet of the pouring hopper, and a lower end of the receiving groove communicates with the upper opening of the measuring cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222053218.6U CN218271827U (en) | 2022-08-02 | 2022-08-02 | Powder bulk density measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222053218.6U CN218271827U (en) | 2022-08-02 | 2022-08-02 | Powder bulk density measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218271827U true CN218271827U (en) | 2023-01-10 |
Family
ID=84765716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222053218.6U Active CN218271827U (en) | 2022-08-02 | 2022-08-02 | Powder bulk density measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218271827U (en) |
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2022
- 2022-08-02 CN CN202222053218.6U patent/CN218271827U/en active Active
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