CN212449764U - Accurate quantitative powder feeding device - Google Patents

Abstract

The utility model relates to a feeding device technical field just discloses an accurate quantitative powder feeding device, including the powder feed bin, the lower extreme fixedly connected with discharging pipe of powder feed bin, the upper end fixed mounting of discharging pipe has the push-pull valve, the inside movable mounting of push-pull valve has the valve plate, the one end fixed mounting of valve plate has the threaded rod, the other end and the hand wheel activity of threaded rod cup joint, the below movable mounting of push-pull valve has star valve. This accurate quantitative powder feeding device, the powder is discharged from the powder feed bin to discharge through the discharging pipe, through the push-pull valve after under the constantly rotatory promotion of star type valve, get into the buffer memory feed bin, the air in the buffer memory feed bin need be discharged in the entering of powder, the respirator can be with air escape under the prerequisite of not raising out the dust, has controlled the emission of dust effectively, sets up dustproof silo of charging at the feed inlet, further avoids the raise dust phenomenon, the effective control dust is discharged.

Description

Accurate quantitative powder feeding device

Technical Field

The utility model relates to a feeding device technical field specifically is an accurate quantitative powder feeding device.

Background

Powder refers to a collection of solid particles, which has the following characteristics relative to a solid: the specific surface area is increased, the solubility and the activity of substances are promoted, the powder has certain fluidity compared with solid, the component separation is easy to realize, and the powder is widely applied to various fields of building materials, machinery, energy sources, plastics, rubber, mines, metallurgy, food, feed, pesticide and the like.

Powder feeding device at home and abroad adopts two spiral feeding's of thick, thin two spiral feeding two more, and this kind of feed mode is also comparatively sensitive to the tolerance of taking in the material, when taking the gas more promptly, the material can't be sealed to the spiral, and the material can be like water, passes the spiral gap, and after the thick feed, thick feed spiral stall, but the material shutoff is not lived, sneaks into thin feed material stream, causes the overshoot of weighing, makes to weigh inaccurately, and then influences the precision of packing.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an accurate quantitative powder feeding device possesses accurate ration, the carminative advantage of being convenient for, has solved the problem mentioned among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides an accurate quantitative powder feeding device, includes the powder feed bin, the lower extreme fixedly connected with discharging pipe of powder feed bin, the upper end fixed mounting of discharging pipe has the push-pull valve, the inside movable mounting of push-pull valve has the valve plate, the one end fixed mounting of valve plate has the threaded rod, the other end and the hand wheel activity of threaded rod cup joint, the below movable mounting of push-pull valve has the star valve, the one end and the motor fixed connection of star valve, the bottom fixed connection of discharging pipe is in upper portion one side of buffer memory feed bin, the upper portion opposite side fixed mounting of buffer memory feed bin has the respirator, the bottom fixed mounting of buffer memory feed bin has dustproof loading bin.

Carefully, the equal fixed mounting of powder feed bin and buffer memory feed bin is at the middle part of base support, the bottom fixed mounting of base support has the bottom plate.

Carefully, the middle part outside fixed mounting of buffer memory feed bin has the support frame, the bottom fixed mounting of support frame has weighing pressure sensor, weighing pressure sensor's bottom fixed mounting is on the mounting bracket, the bottom fixed mounting of mounting bracket is on the bottom plate.

Carefully, the quantity of weighing pressure sensor and support frame is four, four weighing pressure sensor and support frame are installed respectively in the outside four corners department of buffer memory feed bin.

The respirator is characterized in that filter plates are fixedly mounted inside the respirator in a selected mode, the number of the filter plates is five, and the five filter plates are mounted inside the respirator at equal intervals.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this accurate quantitative powder feeding device, the powder is discharged from the powder feed bin to discharge through the discharging pipe, through the push-pull valve after under the constantly rotatory promotion of star type valve, get into the buffer memory feed bin, the air in the buffer memory feed bin need be discharged in the entering of powder, the respirator can be with air escape under the prerequisite of not raising out the dust, has controlled the emission of dust effectively, sets up dustproof silo of charging at the feed inlet, further avoids the raise dust phenomenon, the effective control dust is discharged.

2. This accurate quantitative powder feeding device, the buffer memory feed bin links to each other with the base support through four weighing pressure sensor, but the quality of material in the real time monitoring buffer memory feed bin to can realize accurate quantitative feed through computer control.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the discharge pipe of the present invention;

FIG. 3 is a schematic view of the weighing pressure sensor of the present invention;

fig. 4 is a schematic diagram of a cache bin of the present invention;

fig. 5 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a powder storage bin; 2. a discharge pipe; 3. a gate valve; 4. a valve plate; 5. a hand wheel; 6. a star valve; 7. a motor; 8. caching a stock bin; 9. a dust-proof charging bin; 10. a base plate; 11. a mounting frame; 12. a weighing pressure sensor: 13. a support frame; 14. a respirator; 15. a base support; 16. filtering the plate; 17. a threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an accurate quantitative powder feeding device comprises a powder bin 1, a discharging pipe 2 is fixedly connected to the lower end of the powder bin 1, a gate valve 3 is fixedly installed at the upper end of the discharging pipe 2, a valve plate 4 is movably installed inside the gate valve 3, a threaded rod 17 is fixedly installed at one end of the valve plate 4, the other end of the threaded rod 17 is movably sleeved with a hand wheel 5, a star-shaped valve 6 is movably installed below the gate valve 3, powder is discharged from the powder bin 1 and discharged through the discharging pipe 2, the powder enters a buffer bin 8 under the continuous rotation and pushing of the star-shaped valve 6 after passing through the gate valve 3, one end of the star-shaped valve 6 is fixedly connected with a motor 7, the bottom end of the discharging pipe 2 is fixedly connected to one side of the upper part of the buffer bin 8, a support frame 13 is fixedly installed on the outer side of the middle part of the, the bottom of each weighing pressure sensor 12 is fixedly arranged on the mounting frame 11, the bottom of the mounting frame 11 is fixedly arranged on the bottom plate 10, the number of the weighing pressure sensors 12 and the number of the supporting frames 13 are four, the four weighing pressure sensors 12 and the supporting frames 13 are respectively arranged at four corners of the outer part of the cache storage bin 8, the cache storage bin 8 is connected with the base support 15 through the four weighing pressure sensors 12, the quality of materials in the cache storage bin 8 can be monitored in real time, accurate and quantitative feeding can be realized through computer control, a breather 14 is fixedly arranged at the other side of the upper part of the cache storage bin 8, filter plates 16 are fixedly arranged in the breather 14, the number of the filter plates 16 is five, the five filter plates 16 are arranged in the breather 14 at equal intervals, the breather 14 can discharge air on the premise of not blowing out dust, and effectively, the bottom fixed mounting of buffer memory feed bin 8 has dustproof silo 9, set up dustproof silo 9 at the feed inlet, further avoid the raise dust phenomenon, the effective control dust discharges, the equal fixed mounting of powder feed bin 1 and buffer memory feed bin 8 is at the middle part of base support 15, the bottom fixed mounting of base support 15 has bottom plate 10, base support 15, bottom plate 10 and mounting bracket 11 support powder feed bin 1 and buffer memory feed bin 8, the stable work of powder feed bin 1 and buffer memory feed bin 8 of being convenient for.

The working principle is as follows: during the use, store the powder in powder feed bin 1's inside, when going on the powder feed, the opening device power, it moves valve plate 4 and threaded rod 17 in the inside of push-pull valve 3 to rotate hand wheel 5, open discharging pipe 2, motor 7 drives star valve 6 and rotates in discharging pipe 2's inside afterwards, the powder is under the continuous rotatory promotion of star valve 6, get into in buffer memory feed bin 8, the air in the entering compression buffer memory feed bin 8 of powder simultaneously, respirator 14 can be with air escape under the prerequisite of not raising out the dust, the emission of dust has been controlled effectively, last powder is in dustproof 9 departments of charging bin and is discharged, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an accurate quantitative powder feeding device, includes powder feed bin (1), its characterized in that: the lower extreme fixedly connected with discharging pipe (2) of powder feed bin (1), the upper end fixed mounting of discharging pipe (2) has push-pull valve (3), the inside movable mounting of push-pull valve (3) has valve plate (4), the one end fixed mounting of valve plate (4) has threaded rod (17), the other end and the hand wheel (5) activity of threaded rod (17) cup joint, the below movable mounting of push-pull valve (3) has star valve (6), the one end and motor (7) fixed connection of star valve (6), the bottom fixed connection of discharging pipe (2) is in upper portion one side of buffer memory feed bin (8), the upper portion opposite side fixed mounting of buffer memory feed bin (8) has respirator (14), the bottom fixed mounting of buffer memory feed bin (8) has dustproof charging bin (9).

2. The powder feeding device of claim 1, wherein: equal fixed mounting in the middle part of base support (15) in powder feed bin (1) and buffer memory feed bin (8), the bottom fixed mounting of base support (15) has bottom plate (10).

3. The powder feeding device of claim 1, wherein: the middle part outside fixed mounting of buffer memory feed bin (8) has support frame (13), the bottom fixed mounting of support frame (13) has weighing pressure sensor (12), the bottom fixed mounting of weighing pressure sensor (12) is on mounting bracket (11), the bottom fixed mounting of mounting bracket (11) is on bottom plate (10).

4. The powder feeding device of claim 3, wherein: the number of the weighing pressure sensors (12) and the number of the support frames (13) are four, and the weighing pressure sensors (12) and the support frames (13) are respectively arranged at four corners of the outer part of the cache storage bin (8).

5. The powder feeding device of claim 1, wherein: the breather (14) is internally and fixedly provided with five filter plates (16), and the five filter plates (16) are arranged in the breather (14) at equal intervals.

Images