CN219401120U - A hierarchical selection by winnowing machine for tealeaves - Google Patents

Abstract

The utility model discloses a grading winnowing machine for tea, which comprises a box body, a feed hopper, an air heater, a negative pressure machine and a sieving and collecting hopper, wherein the sieving and collecting hopper is arranged in the box body and positioned below the feed hopper, the air heater extends into the box body through an air outlet, the negative pressure machine extends into the box body through an adsorption port, the air outlet and the adsorption port are both arranged between the feed hopper and the sieving and collecting hopper, and the opening of the air outlet is opposite to the opening of the adsorption port.

Description

A hierarchical selection by winnowing machine for tealeaves

Technical Field

The utility model relates to the field of winnowing machines, in particular to a grading winnowing machine for tea.

Background

The tea classifying and winnowing machine is one kind of special tea classifying and screening equipment. The tea classification winnowing machine mainly comprises a material conveying system, a physical vibration system, an air suction system, a control system and the like. The tea leaves enter equipment under the drive of a material conveying system, after being scanned by an optical sensor, a computer control system automatically adjusts parameters of a physical vibration system and an air suction system, classifies and screens the tea leaves, and finally separates out tea leaves with different grades;

however, the inventor found that when the winnowing machine in the prior art screens tea leaves, the tea stems with heavy quality can directly fall on the ground, but part of the tea stems, tea foam and the like with light quality cannot be screened well, and the tea stems, tea foam and the like can be screened down along with the tea leaves, so that the secondary screening is required by workers again, and the tea stems are required to be heated and dried through other working procedures after the screening, so that the winnowing machine is inconvenient.

Disclosure of Invention

The utility model provides a grading winnowing machine for tea, which overcomes the defects described in the background art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a hierarchical air separator for tealeaves, includes box, feeder hopper, air heater, negative pressure machine, sieves and gathers the bucket, sieve and gather the bucket and locate in the box and be located the feeder hopper below, the air heater extends into the box through an air outlet, the negative pressure machine extends into the box through an absorption mouth, air outlet and absorption mouth all locate the feeder hopper and sieve and gather between the bucket, and the opening of air outlet is opposite with the opening orientation of absorption mouth;

the surface of the sieving and collecting hopper is gradually deepened from the edge to the middle part, and the sieving and collecting hopper is communicated with the outside of the box body so as to discharge the sieved tea leaves.

A preferred technical scheme is as follows: the screening collection hopper is arranged in a left-high, right-low mode, a strip-shaped opening used for discharging impurities such as tea stems, tea foam and the like is formed in the middle of the screening collection hopper, and the strip-shaped opening extends to two ends of the inclined panel respectively.

A preferred technical scheme is as follows: the screening collection hopper comprises inclined plates which are symmetrically arranged, wherein the two inclined plates are obliquely arranged, a plurality of guide grooves are formed in the surfaces of the two inclined plates, and the guide grooves extend towards the edges of the inclined plates.

A preferred technical scheme is as follows: the two inclined plates are provided with a space for forming a strip-shaped opening, and the strip-shaped opening is communicated with each guide groove.

A preferred technical scheme is as follows: the lower ends of the two inclined panels are symmetrically provided with a plurality of vibrating motors, and the vibrating motors are arranged close to the middle of the inclined panels.

Compared with the background technology, the technical proposal has the following advantages:

when the air outlet blows hot air and lifts tea foam to fly, the adsorption port can be utilized to adsorb the tea foam flying in the air, so that part of tea stems with lighter weight and the tea foam blown to the surface of the sieving collecting hopper can be filtered in the process of sieving tea, the tea foam flying in the air can be adsorbed, the cleanliness in equipment can be effectively maintained, the tea is dried while the hot air is blown out from the air outlet, and the subsequent secondary sieving and drying procedures are not needed, so that the processing efficiency can be effectively improved.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic perspective view of the sifting hopper 4.

Fig. 3 is a schematic side view of the sift hopper 4.

In the figure: the device comprises a feed hopper 1, a hot air blower 2, an air outlet 21, a negative pressure machine 3, an adsorption port 31, a sieving and collecting hopper 4, a bevel panel 41, a guide slot 411 and a vibration motor 42.

Detailed Description

As shown in fig. 1-3, a classifying winnowing machine for tea comprises a box body, a feed hopper 1, a hot air blower 2, a negative pressure machine 3 and a sieving and collecting hopper 4, wherein the sieving and collecting hopper 4 is arranged in the box body and positioned below the feed hopper 1, the hot air blower 2 extends into the box body through an air outlet 21, the negative pressure machine 3 extends into the box body through an adsorption port 31, the air outlet 21 and the adsorption port 31 are arranged between the feed hopper 1 and the sieving and collecting hopper 4, and the opening of the air outlet 21 is opposite to the opening of the adsorption port 31; when the utility model is used, hot air is manufactured through the hot air blower 2 and blown between the feeding hopper 1 and the sieving collection hopper 4 along the air outlet 21, and negative pressure is manufactured through the negative pressure machine 3 to adsorb tea dust and dust in air through the adsorption port 31, so that when the utility model is used, a user can throw tea leaves needing sieving and filtering into the feeding hopper 1 to slide downwards along the surface of the feeding hopper 1, as shown in figure 1, the feeding hopper 1 and the sieving collection hopper 4 are provided with a space, and the tea leaves cannot directly fall from the feeding hopper 1 to the surface of the sieving collection hopper 4, so that the tea leaves with lighter mass and larger air receiving area can be blown to the sieving collection hopper 4 by using the hot air blown out from the air outlet 21, and tea stems with heavier mass and smaller air receiving surface can directly fall below the sieving collection hopper 4, and a collecting frame is placed below the sieving collection hopper 4 so as to collect the tea stems, and when the tea dust blown out from the air outlet 21 and the tea dust is blown out from the air outlet and the tea dust can be adsorbed by using the adsorption port 31, so that the tea leaves flying in the air can be adsorbed by the adsorption port, and the tea dust can be completely filtered by the air in the part of the process of the tea dust collecting hopper 4, and the tea dust can be blown and clean by the surface of the tea dust.

Moreover, the surface of the sieving and collecting hopper 4 is gradually deepened from the edge to the middle part, and the sieving and collecting hopper 4 is communicated with the outside of the box body so as to discharge the screened tea leaves, so that the tea leaves can be effectively collected to the middle part, and the dropping of the tea leaves is reduced.

Further, the screening collecting hopper 4 is arranged at a left high position and a right low position, the middle part of the screening collecting hopper 4 is provided with a strip-shaped opening for discharging impurities such as tea stems and tea foam, the strip-shaped openings extend to two ends of the inclined panel 41 respectively, the screening collecting hopper 4 is arranged for discharging the tea stems and the tea foam through the strip-shaped opening in the process of conveying the tea through the screening collecting hopper 4, and the tea cannot be embedded into the strip-shaped opening due to the small width of the strip-shaped opening, so that an effective screening effect can be formed on the tea.

Still further, the screening and collecting hopper 4 comprises symmetrically arranged inclined plates 41, the two inclined plates 41 are obliquely arranged, a plurality of guide slots 411 are formed in the surfaces of the two inclined plates 41, the guide slots 411 extend towards the edges of the inclined plates 41, a plurality of vibrating motors 42 are symmetrically arranged at the lower ends of the two inclined plates 41, the vibrating motors 42 are arranged close to the middle of the inclined plates 41, so that tea stems are accelerated to move towards the strip-shaped opening in the middle of the screening and collecting hopper 4 through vibration of the vibrating motors 42 in use, the tea stems cannot stay on the surfaces of the inclined plates 41, and the guide slots 411 can temporarily stop the tea stems and slowly guide the tea stems on the surfaces of the tea stems to move towards the strip-shaped opening in vibration of the vibrating motors 42.

And, the two inclined plates 41 have a space therebetween for forming a strip-shaped opening, which communicates with each of the guide slots 411.

The foregoing description is only illustrative of the preferred embodiments of the present utility model, and therefore should not be taken as limiting the scope of the utility model, for all changes and modifications that come within the meaning and range of equivalency of the claims and descriptions are therefore intended to be embraced therein.

Claims (5)

1. A hierarchical selection by winnowing machine for tealeaves, its characterized in that: the air conditioner comprises a box body, a feed hopper (1), an air heater (2), a negative pressure machine (3) and a sieving and collecting hopper (4), wherein the sieving and collecting hopper (4) is arranged in the box body and positioned below the feed hopper (1), the air heater (2) extends into the box body through an air outlet (21), the negative pressure machine (3) extends into the box body through an adsorption port (31), the air outlet (21) and the adsorption port (31) are both arranged between the feed hopper (1) and the sieving and collecting hopper (4), and the opening of the air outlet (21) faces to the opening of the adsorption port (31) oppositely;

the surface of the sieving and collecting hopper (4) is gradually deepened from the edge to the middle part, and the sieving and collecting hopper (4) is communicated with the outside of the box body so as to discharge the sieved tea leaves.

2. A classification air separator for tea leaves as claimed in claim 1, wherein: the sieving and collecting hopper (4) is arranged in a mode of being high on the left and low on the right, a strip-shaped opening used for discharging impurities such as tea stems, tea foam and the like is arranged in the middle of the sieving and collecting hopper (4), and the strip-shaped openings extend to two ends of the inclined panel (41) respectively.

3. A classification air separator for tea leaves as claimed in claim 2, wherein: the sieving and collecting hopper (4) comprises inclined plates (41) which are symmetrically arranged, the two inclined plates (41) are obliquely arranged, a plurality of guide grooves (411) are formed in the surfaces of the two inclined plates (41), and the guide grooves (411) extend towards the edges of the inclined plates (41).

4. A classification air separator for tea leaves as claimed in claim 3, wherein: the two inclined plates (41) are provided with a space for forming a strip-shaped opening, and the strip-shaped opening is communicated with each guide slot (411).

5. A classification air separator for tea leaves as claimed in claim 4, wherein: the lower ends of the two inclined plates (41) are symmetrically provided with a plurality of vibrating motors (42), and the vibrating motors (42) are arranged close to the middle of the inclined plates (41).