CN110586459B

CN110586459B - Vibrating cylinder tea grader

Info

Publication number: CN110586459B
Application number: CN201910869531.7A
Authority: CN
Inventors: 马文桂
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-08
Filing date: 2019-09-08
Publication date: 2021-05-04
Anticipated expiration: 2039-09-08
Also published as: CN110586459A

Abstract

The invention discloses a vibrating roller tea grader which has good tea grading effect, high efficiency, less tea damage, simple structure and simple and convenient operation, and can fully meet the grading requirement, and comprises the following components: frame, drive mechanism, vibration axle, sieving mechanism, its characterized in that: the screening device is axially transverse, and the vibration shaft axially penetrates through the screening device; the vibration shaft is fixedly connected with the screening device; two ends of the vibration shaft are arranged on the frame, the feeding end is higher than the discharging end, and the discharging end is connected with the transmission mechanism; the during operation drive mechanism drives vibration axle and sieving mechanism and rotates, because the effect of vibration axle, sieving mechanism produces vibration and periodic slope. The generated vibration can shake down the tea leaves inserted into the sieve pores, automatically remove hung tea leaves and does not need to be stopped for cleaning; the inclination is periodical, so that the tea leaves flow to the tail end of the screen cylinder. The tea leaves can be fully screened by vibration and inclination, and the screening efficiency is greatly improved. Is suitable for grading fresh leaves and raw tea, and is particularly suitable for grading fresh leaves.

Description

Vibrating cylinder tea grader

(I) technical field

The invention relates to the field of agricultural product processing machinery, in particular to a vibrating roller tea classifier.

(II) background of the invention

Along with the development of agricultural mechanization, manual tea picking is gradually replaced by the tea picking machine, and the tea picked by the tea picking machine is different in length, old and tender, single-piece, more in clamping piece and low in uniformity, so that the processing quality of the tea is influenced, and the income of tea farmers is reduced. Purpose of fresh leaf grading: 1. the uniformity of the same batch of the bud making leaves is ensured, and the tea making process is convenient to master; 2. the grading payment can obtain the best economic benefit from the aspects of high quality and high price and tidy products.

At present, tea processing manufacturing enterprise generally adopts the bright leaf grader of bamboo desk-top cylinder of circular cone to carry out the classification, and the bright leaf grader of desk-top cylinder of circular cone passes through belt transmission by the motor and drives, is slowed down by the turbine speed reducer, drives the gyro wheel through chain drive again, and gyro wheel friction drive drives a sieve section of thick bamboo, finally realizes the operation of complete machine. The screen drum is in a cone frustum structure, the screen drum is transversely arranged, and meshes of the screen drum are gradually enlarged from small to large from the small end of the cone frustum; fresh tea leaves enter from the small end of the cone, under the action of centrifugal force and dead weight, fine tea leaves fall through the sieve pores, and thick tea leaves are discharged from the large end of the cone, so that the grading effect is achieved. The working principle and the structure can be used for obtaining the problems that the fresh leaf grading of the cone table type roller has less grading grade, the grading grade boundary line is fuzzy, the grading efficiency is low, a sieve cylinder is easy to hang tea leaves, the cleaning and hanging of the tea leaves are manually carried out after the machine is stopped, and the like.

Disclosure of the invention

The invention aims to overcome the defects in the prior art and provides the vibrating roller tea grader which has the advantages of good tea grading effect, high efficiency, simple structure and simple and convenient operation, and can fully meet the grading requirement.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a vibratory roller tea classifier comprising: frame, drive mechanism, vibration axle, sieving mechanism, its characterized in that: the screening device is axially transverse, and the vibration shaft axially penetrates through the screening device; the vibration shaft is fixedly connected with the screening device; two ends of the vibration shaft are arranged on the frame, the feeding end is higher than the discharging end, and the discharging end is connected with the transmission mechanism; when the screening device works, the transmission mechanism drives the vibration shaft and the screening device to rotate, vibration and forward inclination are generated, hung leaves are automatically removed, and screening efficiency is improved.

Further, the vibration shaft is an eccentric shaft;

further, the vibration shaft is an eccentric shaft with one end having zero eccentricity;

furthermore, the vibration shaft is an eccentric shaft with zero eccentricity at one end, and a movable corner is arranged on the shaft;

furthermore, the vibration shaft is an eccentric shaft with zero eccentricity at one end, a movable corner is arranged on the shaft, and a joint bearing or a universal joint is arranged at the corner with zero eccentricity on the shaft;

further, the screening apparatus includes: end plate, a sieve section of thick bamboo, vaulting pole group, its characterized in that: the end plate is arranged at the feed end of the screen drum and is vertical to the central shaft of the screen drum; and the stay bar group is used for connecting the screen cylinder with the vibration shaft.

Further, the shape of the screen cylinder is a cylindrical cylinder shape or a polygonal cylinder shape; the screen drum comprises a plurality of screen drum sections with different specifications of screen holes; the sieve mesh specifications of the same section of sieve cylinder are the same; the screen holes of the screen drum section at the feeding end are the smallest, the screen holes of the screen drum section at the discharging end are the largest, and the screen holes from the feeding end to the discharging end are gradually enlarged.

Furthermore, the end plate is a sealing plate with a feeding hole in the middle.

Furthermore, the positions of the two ends of the frame fixing shaft are high and low and are not on the same horizontal plane, and the feeding end is higher than the discharging end.

According to the technical scheme of the invention, the beneficial effects of the invention are as follows: when the vibrating roller tea classifier works, the screening device rotates, and due to the action of the vibration shaft, the screening device generates vibration and periodical inclination. Tea leaves enter the screen drum from a feeding hole in the middle of the end plate of the screening device, the screen holes of the screen drum section at the feeding end are the smallest, the finest tea leaves fall from the screen drum section and are screened out, the tea leaves smaller than the screen holes of the screen drum section are screened out by the screen drum section when passing through, and the tea leaves larger than the screen holes of all the screen drum sections come out from the tail end of the screen drum. The vibrating shaft enables the screening device to vibrate, so that tea leaves inserted into the screen holes can be vibrated down, the machine does not need to be stopped for cleaning, and the screening efficiency is improved; the vibrating shaft makes the screening device generate periodic inclination, so that the tea leaves flow to the tail end of the screen drum. The tea leaves can be fully screened by vibration and inclination, and the screening efficiency is greatly improved. Is suitable for grading fresh leaves and raw tea, and is particularly suitable for grading fresh leaves.

(IV) description of the drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

figure 1 schematically illustrates the structure of a vibrating roller tea classifier of the present invention;

FIG. 2 schematically illustrates the construction of the vibratory shaft of the vibratory roller tea classifier of the present invention;

fig. 3 schematically shows the structure of the screening device of the vibrating roller tea classifier of the present invention;

fig. 4 schematically shows the frame structure of the vibrating drum tea classifier of the present invention.

(V) detailed description of the preferred embodiments

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1 to 4, there is schematically shown a preferred embodiment of a vibrating roller tea classifier provided according to the present invention, which, as shown in fig. 1, comprises: frame 10, drive mechanism 20, vibration axle 30, sieving mechanism 40.

Preferably, referring to fig. 2, the vibration shaft 30 is an eccentric shaft having an eccentricity of zero at one end, and includes: an eccentric shaft 31, a movable corner 32, a joint bearing or a universal joint 33; the angle of the movable corner 32 can be changed at any time during operation; the preferred embodiment adopts the structure that the eccentric center of the shaft is arranged at a zero corner and is provided with a joint bearing 33; the movable corner 32 is disposed near the discharge end 35 of the vibratory shaft.

Preferably, with reference to fig. 3, the screening device 40 comprises: end plate 41, a sieve section of thick bamboo 42, vaulting pole group 43, its characterized in that: the screen drum 42 comprises a plurality of screen drum sections with different specifications of screen holes; the sieve mesh specifications of the same section of sieve cylinder are the same; the screen holes of the screen drum section at the feeding end are the smallest, the screen holes of the screen drum section at the discharging end are the largest, and the screen holes from the feeding end to the discharging end are gradually enlarged. The screen cylinder 42 used in the preferred embodiment includes four screen cylinder sections with different screen holes.

Preferably, referring to fig. 3, the screen cylinder 42 employed in the preferred embodiment is cylindrical in shape.

Preferably, referring to fig. 3, the end plate 41 used in the present preferred embodiment, is a circular flat plate with a feeding hole in the middle.

Preferably, referring to fig. 1, 2 and 3, the vibration shaft 30 is fixedly connected to the screening device 40 by a stay bar set 43.

Preferably, referring to fig. 4, the frame 10 has a height at two ends of the fixed vibration shaft 30, which are not located on the same horizontal plane, and the feeding end 34 is higher than the discharging end 35. The feeding end that this preferred embodiment adopted is higher than the height of 30 eccentricities of discharge end turning shaft, when making the vibration axle be in the high position, sieving mechanism is horizontal transversely.

The working flow of the vibrating roller tea classifier according to the invention is briefly described as follows:

vibrating cylinder tealeaves grader includes: frame 10, drive mechanism 20, vibration axle 30, sieving mechanism 40. The method is characterized in that: the screening device 40 is axially and transversely arranged, the vibration shaft 30 penetrates through the screening device 40, and the vibration shaft 30 is fixedly connected with the screening device 40 through a support rod group 43; the two ends of the vibration shaft 30 are arranged on the frame 10, and the discharge end 35 of the vibration shaft is connected with the transmission mechanism 20. When the screening device works, the transmission mechanism 20 drives the vibration shaft 30 and the screening device 40 to rotate, and when the vibration shaft is at a high position, the screening device is horizontally arranged; when the vibration shaft is at a low position, the screening device is obliquely and transversely arranged. The vibration shaft 30 vibrates the sieving device 40 and periodically tilts the sieving device 40. Tea leaves enter the screen drum 42 through a feed hole in the middle of the end plate 41 of the screening device 40 through the conveyor, tea leaves smaller than the screen holes of each section of screen drum are screened by each section of screen drum when passing through, and tea leaves larger than the screen holes of all the screen drums come out from the tail end of the screen drum. The vibration shaft 30 vibrates the tea leaves inserted into the sieve pores to fall off due to the vibration generated by the screening device 40, the machine does not need to be stopped for cleaning, the tea leaves can be sufficiently screened due to the vibration and the inclination, and the screening efficiency is greatly improved. The conveyer belt or the material receiving hopper can be arranged below the sieve drum of each specification of the screening device 40 according to the raw material tea and the sorted tea quantity, so that the next procedure is conveniently linked. The vibrating roller tea grader is suitable for grading fresh leaves and raw tea, and is particularly suitable for grading the fresh leaves.

Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and it is obvious that the technical solution of the present invention is not limited to the above mentioned embodiments, and many variations are possible, and any modifications, equivalents, improvements, etc. which can be derived or suggested directly from the disclosure of the present invention by those skilled in the art are included in the protection scope of the present invention.

Claims

1. A vibratory roller tea classifier comprising: frame, drive mechanism, vibration axle, sieving mechanism, its characterized in that: the screening device is axially transverse, and the vibration shaft axially penetrates through the screening device; the vibration shaft is fixedly connected with the screening device; two ends of the vibrating shaft are arranged on the frame, the positions of the two ends of the fixed vibrating shaft are high and low and are not on the same horizontal plane, the feeding end is higher than the discharging end, and the discharging end is connected with the transmission mechanism; the vibration shaft is an eccentric shaft with zero eccentricity at one end, a movable corner is arranged at the other end of the shaft, and a joint bearing or a universal joint is arranged at the corner with zero eccentricity on the shaft; when the screening device works, the transmission mechanism drives the vibration shaft and the screening device to rotate, vibration and forward inclination are generated, hung leaves are automatically removed, and screening efficiency is improved.

2. A vibratory roller tea classifier as claimed in claim 1 wherein: the screening device includes: the end plate is arranged at the feed end of the screen cylinder and is vertical to the central shaft of the screen cylinder; and the stay bar group is used for connecting the screen cylinder with the vibration shaft.

3. A vibratory roller tea classifier as claimed in claim 2 wherein: the shape of the screen cylinder is a cylindrical cylinder or a polygonal cylinder; the screen drum comprises a plurality of screen drum sections with different specifications of screen holes; the sieve mesh specifications of the same section of sieve cylinder are the same; the screen holes of the screen drum section at the feeding end are the smallest, the screen holes of the screen drum section at the discharging end are the largest, and the screen holes from the feeding end to the discharging end are gradually enlarged.

4. A vibratory roller tea classifier as claimed in claim 2 wherein: the end plate is a sealing plate with a feeding hole in the middle.