CN210816225U

CN210816225U - Tea screening device

Info

Publication number: CN210816225U
Application number: CN201921341310.4U
Authority: CN
Inventors: 林少杰
Original assignee: Ruyuan Yao Autonomous County Tianyao Agricultural Development Co ltd
Current assignee: Ruyuan Yao Autonomous County Tianyao Agricultural Development Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-06-23
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to a tea screening device, which comprises a base; the lifting mechanism is arranged on the base; the bottom of the screening box is connected with the lifting mechanism; the screen meshes are horizontally arranged in the screening box at intervals and divide the screening box into a plurality of screening cavities from top to bottom; the screen mesh is horizontally and movably arranged on a side plate of the screening box in a penetrating way; and a transmission, the transmission comprising: the first motor is fixedly connected to the screening box, and the output end of the first motor is a rotating wheel; and one end of the transmission shaft is fixedly connected with each screen, and the other end of the transmission shaft is fixedly connected with one end of the rotating wheel. The utility model discloses a tealeaves sieving mechanism can realize the level of screen cloth and reciprocate for more high-efficient, thorough of tealeaves screening. Just the device of the utility model has simple structure and is convenient for assembly and use.

Description

Tea screening device

Technical Field

The utility model relates to a tea processing technology field especially relates to a tealeaves sieving mechanism.

Background

Tea making and drinking have been in China for thousands of years, and the processing of tea generally comprises the processes of stir-frying, water-removing, rolling, drying and the like. The tea manufacturing process is complex and different manufacturing processes can lead to the final quality of the tea. When tea leaves are processed, the size of the tea leaves can affect the processing effect of the tea leaves. For example, in the water-removing step, tea leaves with different sizes are stirred and fried together, so that the tea leaves are heated unevenly, and the quality is affected by the stir-frying of the small tea leaves. Therefore, for better processing of tea leaves, the tea leaves need to be screened to separate out tea leaves of the same size, so as to facilitate subsequent processing.

The conventional tea screening device is generally a vibrating screen, but the conventional screen vibrating mode is single, for example, the conventional screen vibrating mode can only vibrate up and down or horizontally, the single mode of vibration easily causes insufficient screening, tea leaves can be stacked together, and the tea leaves cannot be thoroughly screened by the single horizontal or up and down vibration.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a tealeaves sieving mechanism to effectively overcome not enough among the prior art.

A tea leaf screening apparatus comprising: a base; the lifting mechanism is arranged on the base; the bottom of the screening box is connected with the lifting mechanism; the screen meshes are horizontally arranged in the screening box at intervals and divide the screening box into a plurality of screening cavities from top to bottom; the screen mesh is horizontally and movably arranged on a side plate of the screening box in a penetrating way; and a transmission, the transmission comprising: the first motor is fixedly connected to the screening box, and the output end of the first motor is a rotating wheel; and one end of the transmission shaft is fixedly connected with each screen, and the other end of the transmission shaft is fixedly connected with one end of the rotating wheel.

Compared with the prior art, the utility model discloses a tealeaves sieving mechanism drives the runner through first motor and rotates and then realize the swing of screen cloth at the horizontal plane, and elevating system can drive the screening case again and reciprocate to realize the level of screen cloth and the removal of upper and lower two-dimentional degree, make more high-efficient, thorough of tealeaves screening. Just the device of the utility model has simple structure and is convenient for assembly and use.

Further, the lifting mechanism includes: the first springs are uniformly arranged on the base and are fixedly connected with a bottom plate of the screening box; the eccentric wheel is positioned below the screening box and is in contact with the center of the bottom of the screening box; the second motor is arranged on the base, and the output end of the second motor is connected with the eccentric wheel. At least three first springs can fix the screening box, so that the screening box can move up and down within the limit range of the springs. The rotation of eccentric wheel realizes the reciprocating of screening case.

Furthermore, the apertures of the screens in the screening box are sequentially reduced from top to bottom. The arrangement can realize hierarchical screening.

Further, the screen cloth has three to divide into first screening chamber, second screening chamber, third screening chamber and fourth screening chamber from last to down with the screening case.

Furthermore, a first sliding rod and a second sliding rod are fixedly connected to two ends of each screen mesh respectively, and the first sliding rod and the second sliding rod are slidably arranged on two side plates of the screening box in a penetrating mode and extend out of the screening box; one end of the first sliding rod, which extends out of the screening box, is fixedly connected with the transmission shaft; one end of the second sliding rod, which extends out of the screening box, is provided with a baffle; the screening box is characterized by further comprising a second spring, wherein the second spring is sleeved on a second sliding rod between the baffle plate and the side plate of the screening box. So set up, first slide bar, second slide bar use the both sides board of screening case as the support, and first slide bar and transmission shaft rigid coupling drive screen cloth swing on the horizontal plane. The stability of screen cloth use can be guaranteed in the setting of second spring and baffle.

Furthermore, the rotating wheel is an eccentric wheel, and the transmission shaft is fixedly connected with one end of the eccentric wheel. The arrangement of the eccentric wheel can enable the horizontal movement amplitude of the screen to be larger.

Further, the top of screening case is provided with the feed inlet.

Furthermore, one side of each screening cavity is provided with a discharge hole respectively. One side of each screening case all is provided with the discharge gate, and the ejection of compact is convenient, conveniently obtains not equidimension tealeaves.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the tea leaf screening device of the present invention;

fig. 2 is a partially enlarged view of a in fig. 1.

In the figure, 1, a base; 2. a screening box; 21. a feed inlet; 22. a discharge port; 31. a first spring; 32. an eccentric wheel; 33. A second motor; 4. screening a screen; 41. a first screening chamber; 42. a second screening chamber; 43. a third screening chamber; 44. a fourth screening chamber; 51. a first motor; 52. a drive shaft; 53. a rotating wheel; 54. a first slide bar; 55. a second slide bar; 56. a baffle plate; 57. A second spring.

Detailed Description

As shown in fig. 1, fig. 1 is a schematic structural view of the tea leaf screening device of the present invention; a tea leaf screening apparatus comprising: base 1, elevating system and screening case 2. The lifting mechanism is arranged on the base 1; the bottom of the screening box 2 is connected with a lifting mechanism. The lifting mechanism drives the screening box 2 to move up and down. The top of the screening box 2 is provided with a feed inlet 21.

Also comprises a plurality of screens 4 and a transmission device. A plurality of screen cloth 4 horizontal interval sets up in screening case 2 and from last a plurality of screening chamber of following the share of screening case 2. The screen 4 horizontally and movably penetrates through a side plate of the screening box 2. The transmission comprises a first motor 51 and a transmission shaft 52. The first motor 51 is fixedly connected to the screening box 2, and the output end of the first motor 51 is a rotating wheel 53. One end of the transmission shaft 52 is fixedly connected with each screen 4, and the other end is fixedly connected with one end of the rotating wheel 53. The rotation of the runner 53 can drive the screens 4 to swing back and forth on the horizontal plane. Preferably, in order to achieve a better swinging effect, the rotating wheel 53 of the present invention is an eccentric wheel.

Specifically, as shown in fig. 1, a first sliding rod 54 and a second sliding rod 55 are respectively fixedly connected to two ends of each screen 4. Through holes are formed in the two side plates of the screening box 2 corresponding to the first slide bar 54 and the second slide bar 55, so that the first slide bar 54 and the second slide bar 55 are respectively slidably arranged on the two side plates of the screening box 2 in a penetrating manner and extend out of the screening box 2. One end of the first sliding rod 54 extending out of the screening box 2 is fixedly connected with the transmission shaft 52. So arranged, the transmission shaft 52 drives the sliding of the first slide bar 54 and thus the movement of the screening box 2.

Specifically, as shown in fig. 2, fig. 2 is a partially enlarged view of a in fig. 1. The end of the second slide bar 55 extending beyond the screen box 2 is provided with a stop 56. The size of the baffle 56 should be larger than the size of the through hole on the side plate, and the baffle 56 plays a limiting role. The screening box further comprises a second spring 57, and the second spring 57 is sleeved on the second sliding rod 55 between the baffle plate 56 and the side plate of the screening box 2. In this arrangement, the first slide bar 54 and the second slide bar 55 are supported by two side plates of the screening box 2, and the first slide bar 54 is fixedly connected to the transmission shaft 52 to drive the screen 4 to move horizontally. The arrangement of the second spring 57 and the baffle 56 ensures stability in use of the screen 4. It should be noted that the size of the through hole on the side plate of the screening box 2 should be larger than the size of the first sliding rod 54 and the second sliding rod 55, so that the rotation of the first sliding rod 54 and the second sliding rod 55 in the through hole can be ensured in the process that the rotating wheel 53 drives the screen 4 to rotate. The size of the baffle 56 is larger than the size of the second spring and the through hole.

Specifically, the lifting mechanism comprises at least three first springs 31, an eccentric wheel 32 and a second motor 33. The first springs 31 are uniformly arranged on the base 1 and fixedly connected with the bottom plate of the screening box 2. The eccentric wheel 32 is positioned below the screening box 2, and the eccentric wheel 32 is arranged in contact with the center of the bottom of the screening box 2. The second motor 33 is arranged on the base 1, and the output end of the second motor 33 is connected with the eccentric wheel 32. The first spring 31 is used to fix the screen box 2 so that it can move up and down within the limit of the spring. The number that first spring 31 set up can be selected for use according to actual conditions, can satisfy screening case 2 in the ascending steady removal of vertical direction can. The utility model discloses the rotation of second motor 33 drive eccentric wheel 32 can drive reciprocating of screening case 2.

Preferably, the screening case 2 is interior to reduce in proper order from last to each screen cloth 4's aperture down, can realize the screening in grades like this, the utility model discloses the aperture of screen cloth 4 carries out the hierarchical setting according to the size of general tealeaves. From top to bottom, the size of the tea leaves obtained is reduced in sequence, and subsequent processing and processing are facilitated.

Preferably, the screen cloth 4 has threely to fall into first screening chamber 41, second screening chamber 42, third screening chamber 43 and fourth screening chamber 44 from last to down with screening case 2, and all be provided with discharge gate 22 in one side in every screening chamber. Set up like this, tealeaves passes through the utility model discloses a screen cloth 4 just can be four grades with tealeaves according to its size screening itself, more is favorable to subsequent processing.

The utility model discloses a tea screening device's theory of operation does: the tea material to be processed is poured from the feed opening 21 at the top of the sifting box 2, and then the first motor 51 and the second motor 33 are started, and each of the sieves 4 is swung on the horizontal plane by the first motor 51. And the second motor 33 is started to drive the screening box 2 to move up and down, so that the screen 4 can move up and down. So make each screen cloth 4 can be simultaneously in the removal of level and two vertical dimensions, can be with more thorough, more high-efficient of tealeaves screening. Just the device of the utility model is simple in structure, easily realizes, need not install devices such as vibrations piece on each screen cloth 4, has simplified the structure of screening case 2.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A tea leaf screening device, comprising:

a base (1);

the lifting mechanism is arranged on the base (1);

the bottom of the screening box (2) is connected with the lifting mechanism;

the screen meshes (4) are horizontally arranged in the screening box at intervals and divide the screening box into a plurality of screening cavities from top to bottom; the screen (4) is horizontally and movably arranged on a side plate of the screening box in a penetrating way; and

a transmission, the transmission comprising: the screening box comprises a first motor (51), a second motor and a third motor, wherein the first motor is fixedly connected to the screening box, and the output end of the first motor is a rotating wheel (53); and one end of the transmission shaft (52) is fixedly connected with each screen, and the other end of the transmission shaft is fixedly connected with one end of the rotating wheel.

2. The tea leaf screening apparatus according to claim 1, wherein: the lifting mechanism comprises:

the first springs (31) are uniformly arranged on the base (1) and are fixedly connected with a bottom plate of the screening box (2);

the eccentric wheel (32) is positioned below the screening box and is in contact with the center of the bottom of the screening box;

and the second motor (33) is arranged on the base, and the output end of the second motor is connected with the eccentric wheel.

3. A tea leaf screening apparatus according to claim 1, wherein; the apertures of the screens in the screening box are sequentially reduced from top to bottom.

4. A tea leaf screening apparatus according to claim 3, wherein; the screen cloth has threely to divide into first screening chamber (41), second screening chamber (42), third screening chamber (43) and fourth screening chamber (44) from last to down with the screening case.

5. A tea leaf screening apparatus according to claim 1, wherein; a first sliding rod (54) and a second sliding rod (55) are fixedly connected to two ends of each screen mesh respectively, and the first sliding rod and the second sliding rod are slidably arranged on two side plates of the screening box (2) in a penetrating mode and extend out of the screening box respectively;

one end of the first sliding rod (54) extending out of the screening box is fixedly connected with the transmission shaft (52);

one end of the second sliding rod (55) extending out of the screening box is provided with a baffle plate (56); the screening box is characterized by further comprising a second spring (57), wherein the second spring is sleeved on a second sliding rod between the baffle plate and the side plate of the screening box.

6. A tea leaf screening apparatus according to claim 1, wherein; the rotating wheel is an eccentric wheel, and the transmission shaft is fixedly connected with one end of the eccentric wheel.

7. A tea leaf screening apparatus according to claim 1, wherein; the top of screening case is provided with feed inlet (21).

8. A tea leaf screening apparatus according to claim 1, wherein; and a discharge hole (22) is respectively arranged on one side of each screening cavity.