WO2018119863A1

WO2018119863A1 - Continuous quantitative rotating feeder

Info

Publication number: WO2018119863A1
Application number: PCT/CN2016/112982
Authority: WO
Inventors: 吴云萍
Original assignee: 吴云萍
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2018-07-05

Abstract

A continuous quantitative rotating feeder, comprising a feed chamber (1), a central shaft (2), a rotating block (3), an upper sealing board (4), and a lower sealing board (5). The rotating block (3) is provided with a quantitative opening (31) vertically passing therethrough. The upper sealing board (4) is provided with a feeding port (41) and is located at a bottom portion of the feed chamber (1). The lower sealing board (5) is provided with a discharging port (51). The rotating block (3) is disposed between the upper sealing board (4) and the lower sealing board (5), and is driven to rotate by the central shaft (2). During rotation, the quantitative opening (31) of the rotating block (3) is in communication with the feeding port (41) or the discharging port (51) in an intermittent manner. The continuous quantitative rotating feeder of the present invention prevents feed congestion, enables precise feed dispensation, and effectively stops moisture from entering the feed chamber to keep the feed from dampness. Furthermore, the present invention has the advantages of a simple structure, easy manufacturing, a low cost, and a low failure rate.

Description

Continuous quantitative rotary feeder

[Technical Field]

The invention relates to a feeder.

【Background technique】

In the field of sewage treatment, it is necessary to carry out solid-liquid separation of sewage, which is to add flocculant into the sewage, so that the sewage is united into a solid, and then solid-liquid separation is carried out. The flocculant (also called the agent) needs to be mixed with water before use. When mixing, it has the requirement of a certain ratio of raw materials and uniform mixing. Therefore, it is necessary to rely on the feeder to accurately supply the mixer.

As shown in Fig. 1, the conventional feeder has a material bin 1', a feed screw 2', and a vibrator. When the conveying screw 2' rotates, by adjusting the rotational speed of the conveying screw 2', it can be quantitatively Let the medicament be output to the instant dissolver 3'. However, this feeder has the following disadvantages:

1, because the agent is easy to get wet, when it is wet, it is easy to block the screw, resulting in inaccurate measurement;

2. The moisture is also easily entered through the gap of the conveying screw, so that the material is damp;

3. In order to prevent the materials from being piled up, a vibrator is required, which in turn leads to complicated equipment, complicated manufacturing, high cost, and high failure rate.

[Summary of the Invention]

The technical problem to be solved by the invention is to provide a continuous quantitative rotary feeder without the phenomenon that the feed port is blocked and the material is piled up, the material can be accurately fed, and the moisture is effectively prevented from entering the material bin, effectively The material is protected from moisture, the structure is simple, the production is convenient, the cost is low, and the failure rate is low.

The invention is realized as follows: a continuous quantitative rotary feeder comprising a silo, a central shaft, a rotating block, an upper sealing plate and a lower sealing plate; wherein the rotating block is provided with a plurality of quantitative perforated cells; The upper sealing plate is provided with a feeding opening and located at the bottom of the silo; the lower sealing plate is provided with a discharging opening; the rotating block is disposed between the upper sealing plate and the lower sealing plate and is rotated by the central driving shaft And the rotating cell intermittently communicates only the feed port or the discharge port intermittently during the rotation.

Further, the shape, the size, and the distance from the central axis of the quantitative cell, the inlet port, and the discharge port are respectively consistent.

Further, an upper surface of the rotating block is adhered to the upper sealing plate, and a lower surface is bonded to the lower sealing plate.

Further, the present invention further includes a bracket, and the upper and lower sealing plates are coupled to the bracket by a supporting circular tube.

Further, the bracket is provided with a receiving opening, and the receiving opening is correspondingly disposed directly below the discharging opening.

Further, the silo is further provided with a refining stirring blade, the central driving shaft passes through the upper sealing plate and extends upward to the silo, and the refining stirring blade is connected to the central driving shaft on.

Further, the inner surface of the lower section of the silo is an inverted tapered surface, and the outer edge of the refining stirring blade is a beveled edge, which is exactly matched with the inverted conical surface.

Further, the present invention also includes a material sensor disposed at the bottom of the silo.

Further, the present invention further includes a drive motor having a top cover, the drive motor being fixed to the top cover and coupled to the center drive shaft.

Further, the number of the feed ports is one, the number of the discharge ports is one, and the number of the quantitative cells is one or more.

The invention has the following advantages:

1. Through the rotation of the rotating block to connect, the feeding port and the discharging port of the lower sealing plate are discharged by the gravity of the material, and there is no traditional screw blocking the discharging space, and the feeding port will not be blocked. , able to accurately feed.

2. Since the upper and lower sides of the rotating block are upper and lower, the lower sealing plate is almost seamlessly attached, so that moisture can be effectively prevented from entering the material bin, and the material is effectively prevented from being damp.

3. Real-time stirring by mixing the stirring blades can effectively prevent material accumulation.

4. The capacity and number of the quantitative pores can be set according to the actual situation, and combined with the control of the motor speed, the discharge speed can be well adjusted.

5. The rotating block and the upper and lower sealing plates are rotated and discharged, the structure is simple, the production is convenient, and the cost is low. The failure rate is low, and the mixing agitating blades and the rotating block are coaxially driven, which not only reduces the structural complexity, but also saves space.

[Description of the Drawings]

The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

Figure 1 is a schematic view showing the structure of a conventional feeder.

2 is a schematic front view of the overall quantitative rotary feeder of the present invention.

3 is a schematic top plan view of the continuous quantitative rotary feeder of the present invention.

Figure 4 is a top plan exploded view of the main components of the continuous quantitative rotary feeder of the present invention.

Figure 5 is a bottom view exploded view of the main components of the continuous quantitative rotary feeder of the present invention.

Figure 6 is a schematic view showing the structure of different embodiments of the rotary block in the continuous quantitative rotary feeder of the present invention.

【detailed description】

Referring to FIG. 2 to FIG. 6 , the continuous quantitative rotary feeder of the present invention comprises a silo 1 , a central shaft 2 , a rotating block 3 , an upper sealing plate 4 , a lower sealing plate 5 , a mixing agitating blade 6 , The drive motor 7, the material sensor 8, the bracket 9 and the receiving port 10 are provided.

The rotating block 3 is provided with a plurality of upper and lower transparent orifices 31; the upper sealing plate 4 is provided with a feeding port 41 and is located at the bottom of the silo 1; the lower sealing plate 5 is provided with a discharge opening 51; The rotating block 3 is disposed between the upper sealing plate 4 and the lower sealing plate 5 and is rotated by the central driving shaft 2, and during the rotation of the rotating block 2, the quantitative cells 31 intermittently communicate only the said When the feed port 41 or the discharge port 51, that is, the feed port 41 is communicated, the discharge port 51 is not communicated, and when the discharge port 51 is communicated, the feed port 41 is not communicated. When the quantitative cell 31 is rotated to begin to overlap with the feed port 41, the material begins to fill and finally fills the quantitative cell 31, and the material rotates with the rotating block to the discharge port 51 in the quantitative cell 31, and is unloaded. When the spout 51 and the quantitative cell 31 start to overlap, the unloading is started until the materials in the dosing cell 31 are completely discharged.

In order to prevent moisture from entering the silo 1 more effectively, the upper surface of the rotating block 3 is attached to the upper sealing plate, and the lower surface is attached to the lower sealing plate 5, and there is almost no gap at the fitting portion. Effectively prevents external moisture from entering the silo 1.

The shape, the size, and the distance from the central axis of the quantitative cell 31, the inlet port 41, and the discharge port 51 are respectively identical. In a preferred embodiment, the number of the feed port 41 and the discharge port 51 is one, and the number of the quantitative cells 31 is one or more, as shown in FIG. 5, which may be 1 (see Figure 6(a)), 2 (see Figure 6(b)), 3 (see Figure 6(c)) or 4 (see Figure 6(d)). It should be noted, however, that when the rotary block 3 is rotated, the size and number of the quantitative cells 31 are determined to ensure that no certain amount of cells 31 are simultaneously connected to the feed port 41 and the discharge port 51. .

The upper sealing plate 4 and the lower sealing plate 5 are connected to the bracket 9 via a supporting circular tube 45. The supporting circular tube 45 can also close the side surface of the rotating block 3 to further prevent external moisture from entering the upper and lower sides of the rotating block 3. The surface; wherein, in the embodiment shown in FIG. 1, the upper sealing plate 4 and the bracket 9 are integrally provided. The receiving port 10 is provided directly below the discharge opening 51.

The screed mixing blade 6 is disposed in the silo 1, the central drive shaft 2 passes through the upper sealing plate 4 and extends upward to the silo 1, and the screed mixing blade 6 is connected at the center The drive shaft 2 is thus rotatable together with the rotary block 3 via the central drive shaft 2. The inner surface of the lower section of the silo 1 is an inverted conical surface 12, and the outer edge of the refining agitating blade 6 is a beveled edge 62, which is matched with the inverted conical surface 12, and the mixing blade 6 is uniformly mixed. The material can be leveled in time to avoid material accumulation and to fill the quantitative grid 31 in a timely manner.

The material sensor 8 is disposed at the bottom of the silo 1 and sends an alarm signal when the material is used below this position.

The silo 1 has a top cover 14 to which the drive motor 7 is fixed and connected to the central drive shaft 2. The top cover 14 is further provided with a feed opening 16.

While the invention has been described with respect to the preferred embodiments of the embodiments of the invention Equivalent modifications and variations of the skilled person in accordance with the spirit of the invention are intended to be included within the scope of the appended claims.

Claims

A continuous quantitative rotary feeder characterized by comprising: a silo, a central shaft, a rotating block, an upper sealing plate and a lower sealing plate;

The rotating block is provided with a plurality of upper and lower transparent orifices; the upper sealing plate is provided with a feeding opening and located at the bottom of the silo; the lower sealing plate is provided with a discharging opening; the rotating block is arranged on the rotating block Between the sealing plate and the lower sealing plate and being rotated by the central driving shaft, and during the rotating process, the quantitative counting holes intermittently communicate only with the feeding port or the discharging port.
A continuous quantitative rotary feeder according to claim 1, wherein the shape, size and distance from the central axis of the quantitative cell, the inlet port and the discharge port are both Consistently.
A continuous quantitative rotary feeder according to claim 2, wherein an upper surface of said rotating block is fitted to said upper sealing plate, and a lower surface is attached to said lower sealing plate.
A continuous quantitative rotary feeder according to claim 2, further comprising a bracket, said upper and lower sealing plates being coupled to said bracket by a support circular tube.
The continuous quantitative rotary feeder according to claim 4, wherein the bracket is provided with a receiving opening, and the receiving opening is correspondingly disposed directly below the discharging opening.
A continuous quantitative rotary feeder according to claim 1, wherein said silo is further provided with a refining agitating blade, said central driving shaft passing through said upper sealing plate and extending upward to the same The silo is connected to the central drive shaft.
A continuous quantitative rotary feeder according to claim 6, wherein the inner surface of the lower section of the silo is an inverted tapered surface, and the outer edge of the uniform stirring blade is a beveled edge, the oblique side It just matches the inverted cone.
A continuous quantitative rotary feeder according to claim 1, further comprising a material sensor disposed at the bottom of said silo.
A continuous quantitative rotary feeder according to claim 1, further comprising a drive motor, said silo having a top cover, said drive motor being fixed to said top cover and connected The central drive shaft.
A continuous quantitative rotary feeder according to claim 1 or 2, wherein the number of the feed ports is one, and the number of the discharge ports is one, and the number of the holes is The number is one or more.