CN113414101A - Tea dust removal and winnowing primary classification equipment - Google Patents

Abstract

The invention discloses a primary grading device for tea dust removal and winnowing, which adopts a heat flow blowing device and utilizes the characteristics of different grades and weights of fresh tea leaves, the layering among different grades of tea is realized under the action of the heat flow blowing device, and because the wind speeds required for distinguishing the grades of different tea varieties are different, can control the adjusting device in the device to adjust, adopts micro hot air, can effectively dry the surface of the tea, can lay a foundation for next dust removal, and is matched with the uniform-speed component, can prevent the tea from being blocked, the oscillating component oscillates the leakage type cylinder repeatedly, so that the tea passing through the leakage type cylinder is oscillated, and the dust removing blower blows air continuously, therefore, the dust on the tea leaves falls off, and the dust is not adhered to the tea leaves under the dust suction effect of the dust collector II.

Description

Tea dust removal and winnowing primary classification equipment

Technical Field

The invention belongs to the technical field of refrigeration, and particularly relates to primary grading equipment for dust removal and air separation of tea.

Background

Tea can promote health, be praised as one of three major beverages in the world, and because the quality that has difference between tealeaves, it is hierarchical to filter tealeaves equally when collecting tealeaves, the tealeaves cleanliness of good quality is good, and tealeaves itself also has the difference of single bud, a bud one leaf, a bud two leaves and a bud multiple leaf, though report about the tealeaves sieve separator among the prior art, but mostly be traditional multilayer screen cloth mechanical screening, carry out the classification according to the size of tealeaves, but this kind of screening mode error is great, and the size difference is not big between the tealeaves of each grade, and intertwine and collude after collecting, be difficult to carry out complete hierarchical screening on traditional screen cloth, this kind of screening mode can only clear up the debris that contains in the tealeaves, but can not carry out accurate grading and can not get rid of the dust on the tealeaves to tealeaves itself.

In view of the above problem, some devices for screening tea leaves by air separation and removing dust by the air separation are available, for example, chinese patent CN205966526U discloses a tea leaf air separator, which can also perform dust removal treatment while air separation. However, although the structure is simple, the problem of jamming is easy to occur during air separation, and meanwhile, the tea leaves are difficult to completely remove dust, so that the dust removal efficiency is low, and the quality of screening and dust removal is influenced.

Therefore, the invention provides a primary grading device for dust removal and air separation of tea leaves, which aims to solve the problems in the prior art.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: a primary grading equipment for tea dust removal and air separation is provided, which comprises: the tea leaf grading and dedusting device comprises a machine shell, a grading and dedusting assembly, an air blowing and dedusting assembly, a conveying device and a uniform speed assembly, wherein a feeding and conveying mechanism is arranged outside the machine shell and used for introducing tea leaves into the device; a plurality of air blowing and dust removing components are arranged in the casing and are used for carrying out dust removing treatment on the classified tea leaves; the machine shell is internally provided with a conveying device, and the conveying device conveys the tea leaves subjected to dust removal to the outside of the device; the method is characterized in that:

a guide plate is arranged below a discharge port of the feeding conveying mechanism, the speed equalizing assembly is arranged above the end part of the guide plate, and the speed equalizing assembly can control the speed of tea leaves on the guide plate falling to the grading dust removal assembly; hierarchical dust removal subassembly constructs to realize the vibration dust removal of tealeaves in hierarchical, just the dust removal subassembly that blows constructs to be established to giving vent to anger to remove dust to tealeaves after hierarchical, and when the dust removal of blowing, can blow respectively alone upwards from the below of tealeaves after hierarchical and lie in the top of tealeaves and carry out the dust absorption.

Preferably, the grading dust removal assembly comprises a heat flow blowing device, a guide plate, a partition plate, a first dust collector and a collection box, the guide plate is arranged at the upper part of the grading chamber, the left end of the guide plate is fixed on the left wall of the grading chamber, and an oscillator is arranged at the left end of the guide plate so as to drive the guide plate to oscillate, so that oscillating blanking and oscillating dust removal of tea leaves on the guide plate are realized; a partition plate is arranged below the guide plate, and a heat flow blowing device and a first dust collector are arranged between the partition plate and the guide plate;

the angle between the guide plate and the horizontal direction is 15-60 degrees;

the upper end surface of the partition plate is inclined from the right end to the left lower side, the inclination angle is 15-45 degrees, a plurality of groups of grading stations are arranged on the surface of the partition plate, and a plurality of grading holes are formed in each group of grading stations;

the heat flow blowing device is arranged on the right wall of the grading chamber, and the blowing direction of the heat flow blowing device is parallel to the upper end surface of the partition plate or forms an included angle of less than 30 degrees with the upper end surface of the partition plate;

the collecting boxes are arranged in a plurality and are communicated with the grading holes in the partition plates through hollow pipes or connecting channels, and the collecting boxes are arranged in one-to-one correspondence with the grading stations.

Further, preferably, the hot air blowing device comprises an outgoing air duct, an inner air outlet duct, an adjusting device and a hot air blower, wherein the inner air outlet duct is arranged in the outgoing air duct, an inner air duct is formed in the inner air outlet duct, and an outer air duct is formed outside the inner air outlet duct and positioned in the outgoing air duct;

an inner connecting block is arranged on the inner wall of the inner air outlet cylinder and connected to the adjusting device;

the adjusting device comprises a controllable telescopic rod and a baffle plate, the controllable telescopic rod is arranged on the inner connecting block, the tail end of the controllable telescopic rod is connected with the baffle plate, and the baffle plate is fixedly connected with the inner connecting block;

be provided with the thermal current fan on the right wall of hierarchical room, go out the orientation of dryer, interior play dryer the position of the right wall of hierarchical room is provided with the base, be provided with the ventilation hole on the base.

Further, as the preferred, the bottom of collecting box intercommunication has the conveying pipe the internal diameter of conveying pipe reduces in proper order from top to bottom, the one end connection that the conveying pipe downward left side extends on the hierarchical room sets up the dust removal subassembly of blowing.

Further, preferably, the blowing and dust removing assembly comprises a leakage type cylinder, an oscillating assembly, a dust removing blower and a dust collector II, the leakage type cylinder is arranged in the machine shell and is communicated with the feeding pipe, and a plurality of circular through holes are formed in the leakage type cylinder;

the angle between the leakage type cylinder and the horizontal direction is 15-45 degrees;

the leakage type cylinder is fixedly connected with an oscillating assembly, and the oscillating assembly is vertically fixed with the leakage type cylinder;

the oscillating assembly continuously provides up-and-down reciprocating oscillation for the leakage type cylinder when the tea leaves pass through the leakage type cylinder, and elastic reset is carried out through a reset spring of the oscillating assembly;

a dust blowing fan is also arranged above the leakage type cylinder and is uniformly fixed on the inner top wall of the dust removing chamber;

and the second dust collector is arranged on the cross beam below the leakage type cylinder.

Further, as preferred, the oscillation subassembly includes linear oscillator, set casing, coupling spring, guide, reset spring, wherein, leak a type section of thick bamboo external fixation cup joints the set casing, bilateral symmetry is provided with linear oscillator in the set casing, fixedly connected with rectangle baffle on the linear oscillator, just, linear oscillator drives through its flexible function rectangle baffle shakes about leaking a type section of thick bamboo, linear oscillator's the end that stretches out is connected fixedly with the guide, limit baffle is installed to the end of guide.

Further, preferably, a connecting spring is provided between the linear oscillator and the guide; the limit baffle is fixedly connected with the fixed shell through a return spring.

Further, as preferred, the conveyer includes transportation storehouse, conveyer belt, the transportation storehouse transversely sets up in the casing, and its one end stretches out the casing, install the conveyer belt in the transportation storehouse, install outside motor in the casing, outside motor drive the conveyer belt rotates.

Further, as preferred, the transportation storehouse is provided with the discharge gate, and a leaf storage storehouse is arranged below the discharge gate.

Further, as a preference, the speed equalizing assembly includes a control motor, a drive shaft, and speed control vanes, an output end of the control motor is connected to the drive shaft, a peripheral array of the drive shaft is provided with a plurality of the speed control vanes, and the speed control vanes are arranged at an end portion above an end portion of the guide plate.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the heat flow blowing device is adopted, the layering among different grades of tea is realized under the action of the heat flow blowing device by utilizing the characteristics of different grades and different weights of fresh tea leaves, and the adjusting device in the device can be controlled to adjust due to different wind speeds required by the grades of different tea varieties, and the micro hot wind is adopted, so that the surface of the tea can be effectively dried, a foundation can be laid for the next dust removal, and the problem of tea jamming can be prevented due to the matching of a uniform speed component;

2. the vibrating component repeatedly vibrates the leakage type cylinder, so that the tea leaves passing through the leakage type cylinder are vibrated, and the dust is continuously blown by the dust removing and blowing machine, so that dust on the tea leaves falls off, and the dust is not adhered to the tea leaves under the dust suction effect of the dust collector II;

3. the leaf storage bin is of a closed structure and can be detached, so that the situation that tea leaves enter the leaf storage bin and contact with the external environment can be effectively avoided, the influence of humid air on the quality of the tea leaves is prevented, and dust cannot be adhered to the tea leaves to influence the next procedure.

Drawings

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

FIG. 2 is a schematic structural diagram of a hot-fluid blowing device according to the present invention;

FIG. 3 is a schematic structural view of a dust removing apparatus according to the present invention;

fig. 4 is a schematic structural diagram of an oscillating module according to the present invention.

In the figure: 1. a housing; 2. a grading dust removal assembly; 3. a blowing dust removal assembly; 4. a transportation device; 5. a feed transport mechanism; 6, a uniform speed component, 21, a heat flow blowing device; 22. a baffle; 23. a partition plate; 24. a first dust collector; 25. a collection box; 211. an outgoing air duct; 212. an inner air outlet cylinder; 213. an inner connection block; 214. an adjustment device; 215. a controllable telescopic rod; 216. a baffle plate; 31. a funnel-shaped cylinder; 32. an oscillating assembly; 33. a dust removal blower; 34. a second dust collector; 321. a linear oscillator; 322. a stationary case; 323. a connecting spring; 324. a guide member; 325. a return spring; 41. a transport bin; 42. a conveyor belt; 43. and a leaf storage bin.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a primary grading apparatus for dust removal and air separation of tea leaves includes: the tea leaf grading and dedusting device comprises a machine shell 1, a grading and dedusting component 2, a blowing and dedusting component 3, a conveying device 4 and a uniform speed component 6, wherein a feeding and conveying mechanism 5 is arranged outside the machine shell 1 and used for introducing tea leaves into the device, the grading and dedusting component 2 is arranged at the upper end inside the machine shell 1, and the grading and dedusting component 2 and the inner wall of the right side of the machine shell 1 form a grading chamber for grading the tea leaves; a plurality of air blowing and dust removing components 3 are arranged in the casing 1 and are used for carrying out dust removal treatment on the classified tea leaves; a conveying device is further installed in the machine shell 1 and conveys the tea leaves subjected to dust removal to the outside of the machine; the method is characterized in that:

a guide plate 22 is arranged below the discharge port of the feeding conveying mechanism 5, the speed equalizing assembly 6 is arranged above the end part of the guide plate, and the speed equalizing assembly 6 can control the speed of tea leaves on the guide plate falling to the grading dust removal assembly; hierarchical dust removal subassembly constructs to realize the vibration dust removal of tealeaves in hierarchical, just dust removal subassembly 3 that blows constructs to be established to giving vent to anger to remove dust to tealeaves after hierarchical, and when blowing to remove dust, can blow respectively alone from the below of tealeaves after hierarchical up and be located the top of tealeaves and carry out the dust absorption.

The grading dust removal assembly 2 comprises a heat flow blowing device 21, a guide plate 22, a partition plate 23, a first dust collector 24 and a collection box 25, wherein the guide plate 22 is arranged at the upper part of the grading chamber, the left end of the guide plate is fixed on the left wall of the grading chamber, and an oscillator is arranged at the left end of the guide plate so as to drive the guide plate to oscillate, thereby realizing vibration blanking and vibration dust removal of tea leaves on the guide plate; a partition plate 23 is arranged below the guide plate 22, and a heat flow blowing device 21 and a first dust collector 24 are arranged between the partition plate 23 and the guide plate 22;

the angle between the guide plate 22 and the horizontal direction is 15-60 degrees;

the upper end face of the partition plate 23 is inclined from the right end to the left lower side, the inclination angle is 15-45 degrees, a plurality of groups of grading stations are arranged on the surface of the partition plate 23, and a plurality of grading holes are formed in each group of grading stations;

it should be noted that the inclination angle of the partition plate 23 is such that the tea leaves will not slide down too fast, that is, will not slide down too fast under the influence of hot wind, which results in the occurrence of tea leaf classification disorder. Preferably, the cross section of the grading pores is a square with 20cm x 20cm, and three groups of the grading pores are mutually coincident.

The heat flow blowing device 21 is arranged on the right wall of the grading chamber, and the blowing direction of the heat flow blowing device is parallel to the upper end surface of the partition plate or forms an included angle of less than 30 degrees with the upper end surface of the partition plate;

in this, thermal current blast apparatus 21 mutually supports with division board 23, grades tealeaves, and when facing different varieties tealeaves, the hierarchical specification of tealeaves is also different, makes tealeaves distribute according to its weight quality ratio at thermal current blast apparatus 21 hot-blast, and consequently the thermal current that thermal current blast apparatus 21 blew out is different, and thermal current blast apparatus 21 has played dry effect to tealeaves, also makes the tealeaves dust can be cleared up partly.

The collection boxes 25 are provided with a plurality of classification holes and are communicated with the classification holes on the partition plates 23 through hollow pipes or connecting channels, and the collection boxes are arranged in one-to-one correspondence with the classification stations.

The hot air blowing device 21 comprises an outgoing air cylinder 211, an inner air outlet cylinder 212, an adjusting device 214 and a hot air blower, wherein the inner air outlet cylinder 212 is arranged in the outgoing air cylinder 211, an inner air duct is formed in the inner air outlet cylinder 212, and an outer air duct is formed outside the inner air outlet cylinder 212 and positioned in the outgoing air cylinder 211;

an inner connecting block 213 is arranged on the inner wall of the inner air outlet cylinder 212, and the inner connecting block 213 is connected to the adjusting device 214;

the adjusting device 214 comprises a controllable telescopic rod 215 and a baffle plate 216, the controllable telescopic rod 215 is mounted on the inner connecting block 213, the tail end of the controllable telescopic rod 215 is connected with the baffle plate 216, and the baffle plate 216 is fixedly connected with the inner connecting block 213; the baffle plate 216 is unfolded or folded through the controllable telescopic rod 215, when the baffle plate 216 is unfolded, the communication between the outer air duct and the point-outlet fan air duct is blocked, only air is discharged from the inner air duct, when the baffle plate 216 is folded, the outer air duct is opened, and the outer air duct and the inner air duct simultaneously discharge air;

be provided with the thermal current fan on the right wall of hierarchical room, going out the orientation of dryer 211, interior play dryer 212 the position of the right wall of hierarchical room is provided with the base, be provided with the ventilation hole on the base.

The bottom of the collecting box 25 is communicated with a feeding pipe, the inner diameter of the feeding pipe is sequentially reduced from top to bottom, and the blowing and dust removing component 3 is connected and arranged at one end of the feeding pipe, which extends to the grading chamber, towards the left lower side.

The blowing and dust removing component 3 comprises a leakage type cylinder 31, an oscillating component 32, a dust removing blower 33 and a second dust collector 34, the leakage type cylinder 31 is arranged in the machine shell 1, the leakage type cylinder 31 is communicated with the feeding pipe, and a plurality of circular through holes are formed in the leakage type cylinder 31; the circular through holes are kept between 0.2mm and 0.5mm, and a distance between the circular through holes is 0.2mm to 0.4mm, so that the tea dust can be removed, and the quality of the tea leaves is prevented from being influenced;

the angle between the leakage type cylinder 31 and the horizontal direction is 15-45 degrees;

the leakage type cylinder 31 is fixedly connected with an oscillating assembly 32, and the oscillating assembly 32 is vertically fixed with the leakage type cylinder 31;

the oscillating assembly 32 continuously provides up-and-down reciprocating oscillation for the leakage type cylinder 31 when the tea leaves pass through the leakage type cylinder 31, and performs elastic reset through a reset spring 325 of the oscillating assembly; therefore, the tea leaves passing through the leakage type cylinder 31 can shake off dust on the surface layer under the condition of vibration, and it is noted that when different tea leaves are faced, the vibration frequencies of the vibration components 32 are different, so that the condition that the tea leaves are damaged due to the ultrahigh frequency is prevented.

A dust blowing fan is also arranged above the leakage type cylinder 31 and is uniformly fixed on the inner top wall of the dust removing chamber; the second dust collector 34 is arranged on a cross beam below the funnel-shaped cylinder 31.

The air blown by the dust blowing fan is warm air, so that firstly, dust vibrated by the oscillator can be blown away to prevent the dust from being adhered to tea leaves again, secondly, moisture on the tea leaves is evaporated, the tea leaves can be dried more quickly, and meanwhile, the inclination angle of the dust blowing fan is tested for many times, so that the dust removal and drying effects of the tea leaves passing through the leakage type cylinder 31 are better.

The oscillating assembly 32 comprises a linear oscillator 321, a fixed shell 322, a connecting spring 323, a guide piece 324 and a return spring 325, wherein the fixed shell 322 is sleeved outside the leakage type cylinder 31, the linear oscillator 321 is arranged in the fixed shell 322 in a bilateral symmetry mode, a rectangular baffle is fixedly connected to the linear oscillator 321, the linear oscillator 321 drives the rectangular baffle to vibrate the leakage type cylinder 31 up and down through the telescopic function of the linear oscillator 321, the extending end of the linear oscillator 321 is fixedly connected with the guide piece 324, and a limit baffle is installed at the tail end of the guide piece 324.

A connecting spring 323 is arranged between the linear oscillator 321 and the guide 324; the limit baffle is fixedly connected with the fixed shell 322 through a return spring 325.

Conveyer 4 includes transportation storehouse 41, conveyer belt 42, transportation storehouse 41 transversely sets up in casing 1, and its one end stretches out casing 1, install conveyer belt 42 in transportation storehouse 41, install outside motor in the casing 1, outside motor drive conveyer belt 42 rotates. The tea leaf conveying device is characterized in that the conveying bin 41 is provided with a discharge port, the leaf storage bin 43 is arranged below the discharge port, the leaf storage bin 43 is a closed space and can be detached, and it is noted that a drying space is arranged inside the leaf storage bin 43, so that the influence of a wet space on the quality of tea leaves is prevented.

The uniform-speed assembly 6 comprises a control motor, a driving shaft and speed control blades, the output end of the control motor is connected with the driving shaft, the peripheral array of the driving shaft is provided with a plurality of speed control blades, and the speed control blades are arranged at the end part above the end part of the guide plate.

Specifically, when carrying out the classification to tealeaves, pour the fresh tealeaves of ration into in the feeder hopper, carry tealeaves to casing top position through feeding transport mechanism, it falls into in the classification room to take advantage of the situation again, and fall into speed through the control of even speed subassembly, divide into big, medium, little three kinds of specifications with tealeaves through thermal current blast apparatus and division board, and fall into corresponding collecting box respectively, then send it into the conveying pipe respectively in proper order, under the vibration of vibration subassembly, take advantage of the terminal tealeaves of conveying pipe in taking advantage of the situation to bring into hourglass type section of thick bamboo, and under the effect of vibration subassembly, dust on the tealeaves and the tea dust in the tealeaves pass through the through-hole through the vibration and enter into the vibration room, and be adsorbed by second dust catcher, the transport of good tealeaves through conveyer for it gets into the storage leaf storehouse, carry out processing on next step.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.

Claims (10)

1. A primary grading equipment for tea dust removal and air separation comprises: the tea leaf grading and dedusting device comprises a machine shell (1), a grading and dedusting component (2), a blowing and dedusting component (3), a conveying device (4) and a uniform speed component (6), wherein a feeding and conveying mechanism (5) is arranged outside the machine shell (1) and used for introducing tea leaves into the device, the grading and dedusting component (2) is arranged at the upper end inside the machine shell (1), and a grading chamber is formed by the grading and dedusting component (2) and the inner wall of the right side of the machine shell (1) and used for grading the tea leaves; a plurality of air blowing and dust removing components (3) are arranged in the casing (1) and are used for carrying out dust removing treatment on the classified tea leaves; a conveying device is further installed in the machine shell (1), and the conveying device conveys the tea leaves subjected to dust removal to the outside of the device; the method is characterized in that:

a guide plate (22) is arranged below the discharge port of the feeding conveying mechanism (5), the speed equalizing assembly (6) is arranged above the end part of the guide plate, and the speed equalizing assembly (6) can control the speed of tea leaves on the guide plate falling to the grading dust removal assembly; hierarchical dust removal subassembly constructs to realize the vibration dust removal of tealeaves in hierarchical, just dust removal subassembly (3) of blowing constructs to be can giving vent to anger to remove dust to the tealeaves after hierarchical, and when the dust removal of blowing, can blow respectively alone upwards from the below of the tealeaves after hierarchical and lie in the top of tealeaves and carry out the dust absorption.

2. The primary tea leaf dust removal and air classification classifying equipment as claimed in claim 1, wherein: the grading dust removal assembly (2) comprises a heat flow blowing device (21), a guide plate (22), a partition plate (23), a first dust collector (24) and a collection box (25), wherein the guide plate (22) is arranged at the upper part of the grading chamber, the left end of the guide plate is fixed on the left wall of the grading chamber, and an oscillator is arranged at the left end of the guide plate so as to drive the guide plate to oscillate, so that oscillating blanking and oscillating dust removal of tea leaves on the guide plate are realized; a partition plate (23) is arranged below the guide plate (22), and a heat flow blowing device (21) and a first dust collector (24) are arranged between the partition plate (23) and the guide plate (22);

the angle between the guide plate (22) and the horizontal direction is 15-60 degrees;

the upper end face of the partition plate (23) is inclined from the right end to the left lower side, the inclination angle is 15-45 degrees, a plurality of groups of grading stations are arranged on the surface of the partition plate (23), and a plurality of grading holes are formed in each group of grading stations;

the heat flow blowing device (21) is arranged on the right wall of the grading chamber, and the blowing direction of the heat flow blowing device is parallel to the upper end surface of the partition plate or forms an included angle of less than 30 degrees with the upper end surface of the partition plate;

the collection boxes (25) are arranged in a plurality and are communicated with the grading holes in the partition plates (23) through hollow pipes or connecting channels, and the collection boxes are arranged in one-to-one correspondence with the grading stations.

3. The primary tea leaf dust removal and air classification classifying equipment as claimed in claim 2, wherein: the hot-flow blowing device (21) comprises an outgoing wind cylinder (211), an inner wind outlet cylinder (212), an adjusting device (214) and a hot-flow fan, wherein the inner wind outlet cylinder (212) is arranged in the outgoing wind cylinder (211), an inner wind channel is formed in the inner wind outlet cylinder (212), and an outer wind channel is formed outside the inner wind outlet cylinder (212) and positioned in the outgoing wind cylinder (211);

an inner connecting block (213) is arranged on the inner wall of the inner air outlet cylinder (212), and the inner connecting block (213) is connected to the adjusting device (214);

the adjusting device (214) comprises a controllable telescopic rod (215) and a baffle (216), the controllable telescopic rod (215) is installed on the inner connecting block (213), the tail end of the controllable telescopic rod (215) is connected with the baffle (216), and the baffle (216) is fixedly connected with the inner connecting block (213);

be provided with the thermal current fan on the right wall of hierarchical room, going out the orientation of dryer (211), interior play dryer (212) the position of the right wall of hierarchical room is provided with the base, be provided with the ventilation hole on the base.

4. The primary tea leaf dust removal and air classification classifying equipment as claimed in claim 2, wherein: the bottom of the collecting box (25) is communicated with a feeding pipe, the inner diameter of the feeding pipe is sequentially reduced from top to bottom, and the feeding pipe is connected with a blowing dust removal assembly (3) along one end extending to the grading chamber towards the left lower side.

5. The primary tea leaf dust removal and air classification classifying equipment as claimed in claim 4, wherein: the blowing and dust removing assembly (3) comprises a leakage type cylinder (31), an oscillating assembly (32), a dust removing blower (33) and a second dust collector (34), the leakage type cylinder (31) is arranged inside the machine shell (1), the leakage type cylinder (31) is communicated with the feeding pipe, and a plurality of circular through holes are formed in the leakage type cylinder (31);

the angle between the leakage type cylinder (31) and the horizontal direction is 15-45 degrees;

the leakage type cylinder (31) is fixedly connected with an oscillating assembly (32), and the oscillating assembly (32) is vertically fixed with the leakage type cylinder (31);

when the tea leaves pass through the leakage type cylinder (31), the oscillating assembly (32) continuously provides up-and-down reciprocating oscillation for the leakage type cylinder (31) and elastically resets through a return spring (325) of the oscillating assembly;

a dust blowing fan is further mounted above the leakage type cylinder (31), and the dust blowing fan is uniformly fixed on the inner top wall of the dust removing chamber;

the second dust collector (34) is arranged on a cross beam below the leaking type cylinder (31).

6. The primary tea leaf dust removal and air classification classifying equipment as claimed in claim 5, wherein: oscillation assembly (32) are including linear oscillator (321), set casing (322), coupling spring (323), guide (324), reset spring (325), wherein, leak type section of thick bamboo (31) external fixation cup joints set casing (322), bilateral symmetry is provided with linear oscillator (321) in set casing (322), fixedly connected with rectangle baffle on linear oscillator (321), just, linear oscillator (321) drive through its flexible function rectangle baffle shakes about leaking type section of thick bamboo (31), the end that stretches out of linear oscillator (321) is connected fixedly with guide (324), limit baffle is installed to the end of guide (324).

7. The primary tea leaf dust removal and air classification classifying equipment as claimed in claim 6, wherein: a connecting spring (323) is arranged between the linear oscillator (321) and the guide piece (324); the limit baffle is fixedly connected with the fixed shell (322) through a return spring (325).

8. The primary tea leaf dust removal and air classification classifying equipment as claimed in claim 2, wherein: conveyer (4) are including transportation storehouse (41), conveyer belt (42), transportation storehouse (41) transversely sets up in casing (1), and its one end stretches out casing (1), install conveyer belt (42) in transportation storehouse (41), install outside motor in casing (1), outside motor drive conveyer belt (42) rotate.

9. The primary tea leaf dust removal and air classification classifying equipment according to claim 8, wherein: a discharge port is formed in the transportation bin (41), and a leaf storage bin (43) is arranged below the discharge port.

10. The primary tea leaf dust removal and air classification classifying equipment according to any one of claims 1 to 9, wherein: the uniform-speed assembly (6) comprises a control motor, a driving shaft and speed control blades, wherein the output end of the control motor is connected with the driving shaft, the peripheral array of the driving shaft is provided with a plurality of speed control blades, and the speed control blades are arranged at the end part above the end part of the guide plate.

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