Screening device for tea leaves

Abstract

The utility model belongs to the technical field of tea leaf screening, and discloses a tea leaf screening device which comprises a screening assembly used for screening tea leaves in a vibrating mode and further comprises a cleaning assembly installed at the top of the screening assembly and used for cleaning attached dust through reciprocating motion on the two sides and rotation of a rolling brush. The cleaning assembly is provided with a guide assembly used for guiding front-back reciprocating motion in the rolling and brushing process. And the cleaning assembly comprises two linear guide rails which are symmetrically arranged front and back, linear motors are installed on the linear guide rails, and a moving frame is arranged between the two linear motors. According to the screening device for the tea leaves, adhered dust is brushed away through reciprocating motion, cleaning of the filter screen is achieved, and the adhered dust is prevented from polluting the subsequently screened tea leaves; through the arrangement of the rotary rolling brush, the cleaning effect is improved; and the cleaning effect is further improved through the arrangement of front-back reciprocating motion along with the rolling brush.

Description

Technical Field

[0001] The utility model belongs to the technical field of tea screening, in particular to a screening device for tea. Background Art

[0002] Tea refers to the leaves and buds of the tea tree, and generally refers to the leaves of the evergreen shrub tea tree that can be used to make tea, as well as beverages brewed from these leaves. Later, it was extended to all herbal teas brewed from plant flowers, leaves, seeds, and roots. Tea originated in my country, and tea was first used as a sacrifice. However, it has been used as a vegetable since the late Spring and Autumn Period, and developed into a medicinal beverage in the middle of the Western Han Dynasty. It was not until the late Western Han Dynasty that it developed into a high-end court beverage. It was not until the Western Jin Dynasty that it became popular among the people as an ordinary beverage. The earliest remains of artificially cultivated tea were found in the Tianluoshan site in Yuyao, Zhejiang, which has a history of more than 6,000 years. The tea drinking culture has a long historical record in Chinese history. With the continuous improvement of people's living standards, the market demand for tea is increasing, and the quality requirements for tea are also getting higher and higher. When processing tea, it is necessary to screen out the tea residues and other impurities in the tea leaves.

[0003] In contrast, a Chinese patent with authorization announcement number CN220310977U discloses a screening device for tea leaves, including a screening box, a feed hopper fixedly connected to the top of the screening box, an opening formed on one side of the screening box, at least two vibrators are arranged inside the screening box, the two vibrators are connected to each other through a transmission member, and one of the vibrators is driven by a driving device fixedly provided on the screening box, the two vibrators are fixedly connected to a filter screen, and a partition is evenly fixedly connected to the filter screen.

[0004] After long-term use, the filter screen of the above patent will be adhered to dust and other impurities, which will contaminate the tea leaves that are subsequently screened. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a screening device for tea leaves to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A screening device for tea leaves, comprising a screening assembly for vibrating and screening tea leaves, and a cleaning assembly mounted on the top of the screening assembly for cleaning adhered dust by reciprocating motion and rotating a rolling brush on both sides, wherein a guide assembly for guiding the reciprocating motion forward and backward during the rolling brushing process is mounted on the cleaning assembly;

[0008] The cleaning assembly includes two linear guide rails symmetrically arranged front and back, a linear motor is installed on the linear guide rails, a moving frame is arranged between the two linear motors, a rotating shaft is rotatably installed at the bottom of the moving frame, a rotating motor is installed in front of the rotating shaft, a rotating drum is installed on the rotating shaft, two sliding keys are symmetrically arranged between the rotating shaft and the rotating drum, and a brush drum is installed on the outside of the rotating drum.

[0009] Furthermore: the screening component includes a frame, a feed hopper is arranged on one side of the top of the frame, a vibration plate is arranged below the feed hopper, a screen is installed on the vibration plate, a lower hopper is arranged on the side of the vibration plate away from the feed hopper, and a vibration motor is installed below the vibration plate.

[0010] Furthermore, the guide assembly includes two connecting rings symmetrically arranged front and back, a guide column is arranged on the connecting ring, a guide plate is arranged on the top of the guide column, and a guide groove is opened on the guide plate.

[0011] Furthermore: the sliding key and the rotating shaft are integrally formed, and the rotating drum is slidably connected to the rotating shaft.

[0012] Furthermore: the vibration plate is tilted, the vibration plate is elastically connected to the frame, and the screen is made of 304 stainless steel.

[0013] Furthermore: the connecting ring is rotatably connected to the rotating drum, the guide column is slidably connected to the guide plate, and the guide groove is S-shaped.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. The setting of brushing off the adhered dust by reciprocating motion realizes the cleaning of the filter, avoiding the adhered dust from contaminating the tea leaves to be screened later;

[0016] 2. The cleaning effect is improved by setting the rotating roller brush;

[0017] 3. The cleaning effect is further improved by following the reciprocating motion of the roller brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a screening device for tea leaves according to the utility model;

[0019] Figure 2 This is an axonometric diagram of a screening component of a screening device for tea leaves according to the utility model;

[0020] Figure 3 It is a right view of a cleaning component of a screening device for tea leaves according to the utility model;

[0021] Figure 4 This is an axonometric diagram of a guide assembly of a tea screening device according to the utility model;

[0022] Figure 5 It is a schematic diagram of the installation position of a guide component of a screening device for tea leaves described in the utility model.

[0023] In the accompanying drawings, 101, frame; 102, feed hopper; 103, vibration plate; 104, screen; 105, lower hopper; 106, vibration motor; 201, linear guide rail; 202, linear motor; 203, movable frame; 204, rotating shaft; 205, sliding key; 206, rotating drum; 207, brush drum; 208, rotating motor; 301, connecting ring; 302, guide column; 303, guide plate; 304, guide groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 5 A screening device for tea leaves comprises a screening component for vibrating and screening tea leaves, and also comprises a cleaning component installed on the top of the screening component for cleaning adhered dust by reciprocating motion on both sides and rotating a roller brush, and a guide component is installed on the cleaning component for guiding the reciprocating motion forward and backward during the roller brushing process.

[0026] In this embodiment: the screening component includes a frame 101, a feed hopper 102 is arranged on one side of the top of the frame 101, a vibration plate 103 is arranged below the feed hopper 102, a screen 104 is installed on the vibration plate 103, a lower hopper 105 is arranged on the side of the vibration plate 103 away from the feed hopper 102, a vibration motor 106 is installed below the vibration plate 103, the vibration plate 103 is tilted, the vibration plate 103 is elastically connected to the frame 101, the screen 104 is made of 304 stainless steel, the tea leaves are poured into the feed hopper 102 and then fall onto the screen 104 on the vibration plate 103, the vibration motor 106 drives the vibration plate 103 to vibrate under the support of the frame 101 to screen the tea leaves, and the screened tea leaves are discharged through the lower hopper 105;

[0027] In this embodiment: the cleaning component includes two linear guides 201 symmetrically arranged front and back, a linear motor 202 is installed on the linear guide 201, a moving frame 203 is arranged between the two linear motors 202, a rotating shaft 204 is rotatably installed at the bottom of the moving frame 203, a rotating motor 208 is installed in front of the rotating shaft 204, a rotating drum 206 is installed on the rotating shaft 204, two sliding keys 205 are symmetrically arranged between the rotating shaft 204 and the rotating drum 206, a brush drum 207 is installed outside the rotating drum 206, the sliding key 205 is integrally formed with the rotating shaft 204, and the rotating drum 206 is slidably connected to the rotating shaft 204. When cleaning the screen 104, the moving frame 203 supports the rotating motor 208 to drive the rotating shaft 204 to rotate, and the rotating shaft 204 drives the rotating drum 206 and the brush drum 207 to rotate through the sliding key 205, and then the linear motor 202 drives the moving frame 203 to reciprocate along the linear guide 201 to roll and brush the surface of the screen 104;

[0028] In this embodiment: the guide assembly includes two connecting rings 301 symmetrically arranged front and back, a guide column 302 is arranged on the connecting ring 301, a guide plate 303 is arranged on the top of the guide column 302, a guide groove 304 is opened on the guide plate 303, the connecting ring 301 is rotatably connected to the rotating drum 206, the guide column 302 is slidably connected to the guide plate 303, the guide groove 304 is S-shaped, in the process of reciprocating rolling brush, the guide column 302 is restricted by the guide groove 304 on the guide plate 303, thereby driving the rotating drum 206 and the brush cylinder 207 to slide back and forth along the rotating shaft 204 during the rotation process through the connecting ring 301, thereby improving the cleaning effect.

[0029] Working principle: After the tea leaves are poured into the feed hopper 102, they fall onto the screen 104 on the vibration plate 103. The vibration motor 106 drives the vibration plate 103 to vibrate and screen the tea leaves under the support of the frame 101, and the screened tea leaves are discharged through the lower hopper 105. When cleaning the screen 104, the movable frame 203 supports the rotating motor 208 to drive the rotating shaft 204 to rotate, and the rotating shaft 204 drives the rotating drum 206 and the brush drum 207 to rotate through the sliding key 205. Then the linear motor 202 drives the movable frame 203 to reciprocate along the linear guide rail 201 to roll and brush the surface of the screen 104. At the same time, the guide column 302 is restricted by the guide groove 304 on the guide plate 303, thereby driving the rotating drum 206 and the brush drum 207 to slide back and forth along the rotating shaft 204 during the rotation through the connecting ring 301, thereby improving the cleaning effect.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening device for tea leaves, comprising a screening assembly for vibrating and screening tea leaves, characterized in that: It also includes a cleaning component installed on the top of the screening component for cleaning adhered dust by reciprocating and rotating a roller brush on both sides, and a guide component for guiding the reciprocating movement back and forth during the roller brushing process is installed on the cleaning component; The cleaning component comprises two linear guide rails (201) symmetrically arranged front and back, a linear motor (202) is installed on the linear guide rails (201), a moving frame (203) is arranged between the two linear motors (202), a rotating shaft (204) is rotatably installed at the bottom of the moving frame (203), a rotating motor (208) is installed in front of the rotating shaft (204), a rotating drum (206) is installed on the rotating shaft (204), two sliding keys (205) are symmetrically arranged between the rotating shaft (204) and the rotating drum (206), and a brush drum (207) is installed outside the rotating drum (206).

2. A tea screening device according to claim 1, characterized in that: The screening component comprises a frame (101), a feeding hopper (102) is arranged on one side of the top of the frame (101), a vibration plate (103) is arranged below the feeding hopper (102), a screen (104) is installed on the vibration plate (103), a lower hopper (105) is arranged on the side of the vibration plate (103) away from the feeding hopper (102), and a vibration motor (106) is installed below the vibration plate (103).

3. A tea screening device according to claim 1, characterized in that: The guide assembly comprises two connecting rings (301) symmetrically arranged front and back, a guide column (302) is arranged on the connecting ring (301), a guide plate (303) is arranged on the top of the guide column (302), and a guide groove (304) is opened on the guide plate (303).

4. A tea screening device according to claim 1, characterized in that: The sliding key (205) and the rotating shaft (204) are integrally formed, and the rotating cylinder (206) is slidably connected to the rotating shaft (204).

5. A tea screening device according to claim 2, characterized in that: The vibration plate (103) is arranged at an angle, the vibration plate (103) is elastically connected to the frame (101), and the screen (104) is made of 304 stainless steel.

6. A tea screening device according to claim 3, characterized in that: The connecting ring (301) is rotatably connected to the rotating drum (206), the guide column (302) is slidably connected to the guide plate (303), and the guide groove (304) is S-shaped.

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