CN209255171U - A kind of high efficiency tea screening device - Google Patents

A kind of high efficiency tea screening device Download PDF

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Publication number
CN209255171U
CN209255171U CN201821932143.6U CN201821932143U CN209255171U CN 209255171 U CN209255171 U CN 209255171U CN 201821932143 U CN201821932143 U CN 201821932143U CN 209255171 U CN209255171 U CN 209255171U
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China
Prior art keywords
barrel
screen
sifting
screen barrel
high efficiency
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Expired - Fee Related
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CN201821932143.6U
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Chinese (zh)
Inventor
赖小琴
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Individual
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Individual
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Abstract

The utility model discloses a kind of high efficiency tea screening devices, including rack, the sifting barrel being obliquely installed and the multiple successively inside and outside screen barrels being socketed for being mounted in sifting barrel and being coaxially disposed, the sifting barrel is fixedly mounted in the rack, described screen barrel one end is rotatably installed in the rack by shaft, mesh aperture is sequentially reduced the screen barrel of multilayer from inside to outside, the upper end of the inner most screen barrel is provided with the feed inlet led to outside sifting barrel, the lower end base of the sifting barrel and each screen barrel is provided with the discharge port led to outside sifting barrel.The utility model does not vibrate, and the operation is stable noise is small, and service using life is long;Relative to traditional tealeaves circular screening machine, the utility model structure is simple, occupies little space and sieves that speed is fast, high-efficient, workload is larger, and tea screening successively carries out from the inside to the outside, screening effect is good, high-efficient.

Description

A kind of high efficiency tea screening device
Technical field
The utility model belongs to tea-processing equipment technical field, in particular to a kind of high efficiency tea screening device.
Background technique
It generally will do it the processes such as drying, screening after tea picking is complete, drying course is to remove the water in tealeaves Point, have the characteristics that improve tealeaves fragrance, increase the tealeaves resting period, and screening is then the commodity value in order to improve tealeaves, Tea leaf quality is set to standardize.Existing tea screening is usually that Tea screening machine is used to carry out, what is sieved to tealeaves When, after tealeaves is placed on sieve plate, drive sieve plate to vibrate up and down using vibration device, the tea dust and tea stalk in tealeaves are from sieve It is fallen in the sieve pore of plate, completes the screening to tea dust in tealeaves and tea stalk.And since existing Tea screening machine is all by vibrating Device drives sieve plate vibration, is easy to cause to damage to rack, and if when tealeaves is deposited on oscillating screen plate, the efficiency of screening compared with It is low, screening is easily caused not exclusively, and this screening machine needs artificial or other devices to send out the tealeaves on sieve plate, in discharging Easily unsegregated tealeaves is mixed, influences to screen quality.
Chinese patent CN108636791A discloses a kind of tea screening device, including pedestal, bracket, sieve bucket, motor and Mandril is equipped with multiple sieve plate in the sieve bucket from top to bottom, and position of the sieve bucket position above each sieve plate is equipped with discharge port, The output shaft upper end of the motor is equipped with the support rod being rotatablely connected with it, and the support rod is equipped with piston head, the piston Head with sieve bucket inner wall slidingly and sealingly connect, be additionally provided with for air pass through lead to sieve bucket inside the first check valve and together In the second one-way valve of discharging led to outside sieve bucket.The invention is solved since inlet amount leads to greatly the size point of tea screening Cloth is uneven, the problem for causing the separating effect of tealeaves bad.But the invention does not solve screening efficiency caused by tealeaves is accumulated Low, the incomplete problem of screening.
Utility model content
The purpose of this utility model is to provide a kind of high efficiency tea screening devices, can be avoided tealeaves accumulation, screening It is high-efficient, it discharges high-quality.
To achieve the goals above, the technical solution of the utility model are as follows: a kind of high efficiency tea screening device, including machine Frame, the sifting barrel being obliquely installed and the multiple successively inside and outside screen barrels being socketed for being mounted in sifting barrel and being coaxially disposed, it is described Sifting barrel is fixedly mounted in the rack, and described screen barrel one end is rotatably installed in the rack by shaft, and described turn Axis is rotatablely installed at the central axes of the sifting barrel, and the other end is connected with driving motor, the drive by belt and belt pulley Dynamic motor is mounted on the rack, and mesh aperture is sequentially reduced the screen barrel of multilayer from inside to outside, the inner most sieve The upper end of cylinder is provided with the feed inlet led to outside sifting barrel, and the lower end base of the sifting barrel and each screen barrel is all provided with It is equipped with the discharge port led to outside sifting barrel.
Preferably, the sifting barrel and screen barrel are obliquely installed, the angle with ground is β, and the value of β is 5 ~ 15 degree, is made Tealeaves moves closer to discharge port until falling from discharge port while overturning screening, and tealeaves is avoided to fall excessive velocities, shadow Ring screening quality.
The principles of the present invention are as follows: open driving motor, rotate screen barrel, tealeaves is poured into from feed inlet, tealeaves First rotation overturns and is sieved in inner most screen barrel, and the lesser tealeaves sifted out is fallen from the mesh of screen barrel, It falls in the screen barrel of periphery, continues to sieve, the biggish tealeaves sifted out, as the rotation of screen barrel moves gradually downward It is dynamic, it discharges from discharge port, by the screening of multiple screen barrels, tea screening is finished, screening efficiency is high, high-quality.
Preferably, the screen barrel is equipped at least three, the mesh numbers of three screen barrels is followed successively by 3 except interior The mesh number of ~ 6 mesh, 10 ~ 15 mesh and 20 ~ 28 mesh, the quantity of screen barrel and each screen barrel can select according to the actual situation, such as may be used Mesh number is selected according to the screening requirement of tealeaves and tea kinds.
Preferably, the revolving speed of the shaft is 50 ~ 80 revs/min, guarantee screening efficiency.
Preferably, each discharge outlet is both provided with out funnel, it is described go out funnel from top to bottom length according to It is secondary to shorten, convenient for discharging.
Preferably, being provided with the baffle for being fixedly connected on the sifting barrel above each screen barrel, prevent tealeaves from existing It is fallen into the screen barrel of relative interior again when overturning in screen barrel, influences screening efficiency.
For the ease of installing the baffle, described screen barrel one end is all fixed in the shaft, and the other end is except most interior Be outside the screen barrel in portion along its axially through openings, the baffle protrudes into the screen barrel along the openings, institute It states baffle one end and is fixedly connected with the sifting barrel, meanwhile, each funnel out is located at the upper surface of one end in sifting barrel, is respectively provided with There is arcwall face that is consistent with the screen barrel outer surface of top and being bonded, the arcwall face enabled to support the screen barrel, Rotate screen barrel steadily.
Further, the baffle is curved baffle, and the value of curved angle α, α are 90 ~ 180 degree, guarantees to stop effect Fruit avoids influencing overturning of the screen barrel to tealeaves.
The beneficial effects of the utility model have:
1. the operation is stable noise is small, and service using life is long without vibration;
2. the utility model structure is simple relative to traditional tealeaves circular screening machine, occupies little space and sieve that speed is fast, effect Rate is high, workload is larger;
3. relative to traditional tealeaves circular screening machine, the tea screening of the utility model successively carries out from the inside to the outside, screening effect Fruit is good, high-efficient;
4. the utility model cooperates conveying device, it can be achieved that being fully automated, without human intervention, reduces costs, mention High efficiency;
5. sieve is tubular sieve, sieve sieving area, screening efficiency is high, is not easy to block mesh.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model embodiment 1;
Fig. 2 is the sectional view of the utility model embodiment 1;
Fig. 3 is the sectional view of the utility model embodiment 2;
Fig. 4 is the structural schematic diagram of 2 arcwall face of the utility model embodiment;
Fig. 5 is the sectional view of the utility model embodiment baffle.
Items are respectively as follows: 1 rack in figure, 2 sifting barrels, 3 screen barrels, 4 shafts, 5 belt pulleys, 6 driving motors, 7 feed inlets, 8 discharge ports, 9 go out funnel, 10 baffles, 11 openings, 12 arcwall faces, α curved angle, β angle.
Specific embodiment
The technical solution of the utility model is explained in detail below in conjunction with embodiment and attached drawing.
Embodiment 1
As shown in Figure 1 and 2, a kind of high efficiency tea screening device, including rack 1, the sifting barrel being obliquely installed 2 and installation In sifting barrel 2 and multiple successively inside and outside screen barrels 3 being socketed of coaxial arrangement, the sifting barrel 2 are fixedly mounted on the machine On frame 1, described 3 one end of screen barrel is rotatably installed in the rack 1 by shaft 4, and the rotational installation of shaft 4 is in the sieve Divide at the central axes of cylinder 2, the other end is connected with driving motor 6, the driving electricity by belt (being not drawn into figure) and belt pulley 5 Machine 6 is mounted in rack 1, and mesh aperture is sequentially reduced the screen barrel 3 of multilayer from inside to outside, the inner most screen barrel 3 upper end is provided with the feed inlet 7 led to outside sifting barrel 2, the lower end base of the sifting barrel 2 and each screen barrel 3 It is provided with the discharge port 8 led to outside sifting barrel 2.
In this embodiment, the both ends of all screen barrels 3 are each attached in the shaft 4.
Wherein, the sifting barrel 2 and screen barrel 3 are obliquely installed, and the angle with ground is β, and the value of β is 5 ~ 15 degree, make tea Leaf moves closer to discharge port 8 until falling from discharge port 8 while overturning screening, and tealeaves is avoided to fall excessive velocities, shadow Ring screening quality.
The principles of the present invention are as follows: open driving motor 6, rotate screen barrel 3, tealeaves is poured into from feed inlet 7, tea First rotation overturns and is sieved leaf in inner most screen barrel 3, and the lesser tealeaves sifted out falls from the mesh of screen barrel 3 Fall, fall in periphery screen barrel 3 in, continue to sieve, the biggish tealeaves sifted out, with screen barrel 3 rotation gradually to Lower movement, discharges from discharge port 8, and by the screening of multiple screen barrels 3, tea screening is finished, and screening efficiency is high, quality It is good.
The screen barrel 3 be equipped at least three, preferably three in the present embodiment, the mesh of three screen barrels 3 Number is followed successively by 3 ~ 6 mesh, 10 ~ 15 mesh and 20 ~ 28 mesh except interior, is respectively preferably 5 mesh, 13 mesh and 24 mesh in the present embodiment.
The revolving speed of the shaft 4 is 50 ~ 80 revs/min, guarantees screening efficiency.
Further, be additionally provided with out funnel 9 at each discharge port 8, it is described go out the length from top to bottom of funnel 9 It successively shortens, convenient for discharging.
Embodiment 2
The technical solution of the present embodiment is substantially the same manner as Example 1, and difference is:
In the present embodiment, wherein one end of the screen barrel 3, only only inner most screen barrel 3 and the shaft 4 It is fixedly connected.
As shown in figure 3, being provided with the baffle 10 for being fixedly connected on the sifting barrel 2 above each screen barrel 3, tea is prevented Leaf is fallen into the screen barrel 3 of relative interior again when overturning in screen barrel 3, influences screening efficiency.
As shown in Fig. 3 ~ 4, for the ease of installing the baffle 10, described 3 one end of screen barrel is all fixed on the shaft 4 On, the other end be in addition to inner most screen barrel 3 along its axially through openings 11, the baffle 10 is along the openings 11 protrude into the screen barrel 3, and described 10 one end of baffle is fixedly connected with the inner wall of the sifting barrel 2, meanwhile, each funnel out 9 are located at the upper surface of one end in sifting barrel 2, are provided with arcwall face that is consistent with 3 outer surface of screen barrel of top and being bonded 12, enable the arcwall face 12 to support the screen barrel 3, rotates screen barrel 3 steadily.
Further, as shown in figure 5, the baffle 10 is curved baffle, the value of curved angle α, α are 90 ~ 180 Degree guarantees blocking effect, avoids influencing overturning of the screen barrel 3 to tealeaves.

Claims (7)

1. a kind of high efficiency tea screening device, including rack (1), the sifting barrel (2) being inclined on the rack (1) and The screen barrel (3) being mounted in the sifting barrel (2) is also equipped with driving motor (6), the screen barrel on the rack (1) (3) one end is rotatably installed in the sifting barrel (2) by shaft (4), and the other end connects institute by belt and belt pulley (5) State driving motor (6), it is characterised in that: the screen barrel (3) be provided with it is multiple, successively inside and outside socket and with the sifting barrel (2) coaxially, mesh aperture is sequentially reduced the inside and outside screen barrel (3) being mutually socketed from inside to outside, the inner most sieve The upper end of cylinder (3), which is provided with, leads to the external feed inlet (7) of sifting barrel (2), the sifting barrel (2) and each screen barrel (3) lower end base, which is provided with, leads to the external discharge port (8) of sifting barrel (2).
2. a kind of high efficiency tea screening device according to claim 1, it is characterised in that: the sifting barrel (2) and sieve Relatively face is obliquely installed net cylinder (3), and the angle with ground is β, and the value of β is 5 ~ 15 degree.
3. a kind of high efficiency tea screening device according to claim 2, it is characterised in that: the screen barrel (3) is equipped with At least three.
4. a kind of high efficiency tea screening device according to claim 2 or 3, it is characterised in that: each discharge port (8) it is both provided with out at funnel (9), funnel (9) out length successively shortens from top to bottom.
5. a kind of high efficiency tea screening device according to claim 2, it is characterised in that: above each screen barrel (3) It is provided with baffle (10).
6. a kind of high efficiency tea screening device according to claim 5, it is characterised in that: described screen barrel (3) one end All be fixed on the shaft (4), the other end be in addition to inner most screen barrel (3) along its axially through openings (11), the baffle (10) is protruded into the screen barrel (3) along the openings (11), and described baffle (10) one end is fixedly connected The sifting barrel (2), meanwhile, each funnel (9) is located at the upper surface of sifting barrel (2) interior one end out, is provided with and top Screen barrel (3) outer surface it is consistent and be bonded arcwall face (12).
7. a kind of high efficiency tea screening device according to claim 5 or 6, it is characterised in that: the baffle (10) is Curved baffle, the value of curved angle α, α are 90 ~ 180 degree.
CN201821932143.6U 2018-11-22 2018-11-22 A kind of high efficiency tea screening device Expired - Fee Related CN209255171U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821932143.6U CN209255171U (en) 2018-11-22 2018-11-22 A kind of high efficiency tea screening device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821932143.6U CN209255171U (en) 2018-11-22 2018-11-22 A kind of high efficiency tea screening device

Publications (1)

Publication Number Publication Date
CN209255171U true CN209255171U (en) 2019-08-16

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Application Number Title Priority Date Filing Date
CN201821932143.6U Expired - Fee Related CN209255171U (en) 2018-11-22 2018-11-22 A kind of high efficiency tea screening device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117299528A (en) * 2023-10-31 2023-12-29 山东省农业机械科学研究院 Tea production screening device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117299528A (en) * 2023-10-31 2023-12-29 山东省农业机械科学研究院 Tea production screening device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190816

Termination date: 20201122

CF01 Termination of patent right due to non-payment of annual fee