Screening device for screening tea leaf residues

Abstract

The utility model discloses a screening device for screening tea slag, which relates to the technical field of tea slag screening and comprises a barrel, a tray is arranged in the lower end of the barrel, a circular sliding groove matched with a slip-assisting ring is arranged on the top surface of the barrel, the slip-assisting ring is sleeved in the circular sliding groove of the barrel, and a screening component is arranged in the barrel. The semi-circular straight gear is driven by the servo motor to rotate, so that the straight gear is driven to rotate, and the filter screen is rotated; through cooperation of a semicircular straight gear and a straight gear, a first filter screen is controlled to rotate and stop, the tea leaves are rotated to the position above the filter screen through rotation of the filter screen, then rotation is stopped through the filter screen, the tea leaves can fall onto a circular truncated cone due to the weight of the tea leaves, and the steps are repeated so that disintegrating slag can be screened; the situation that the tea leaves are broken due to vibration is avoided, and the tea leaves are prevented from becoming small or deforming.

Description

Technical Field

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

[0002] The earliest tea residue screening was completed by manual screening. Workers used a sieve or a fine mesh cloth to screen the tea, separating the tea residues and impurities. Although this method can perform screening, it is inefficient and labor-intensive.

[0003] To improve the screening efficiency, traditional mechanical vibration screening methods began to be applied to tea residue screening. The mechanical vibration screening device separates the tea from the residues by vibrating, swinging or rotating. Although this method greatly improves the screening efficiency and reduces the labor cost, during the screening process of the tea, the tea may be broken due to the continuous vibration force, resulting in smaller or deformed tea particles; therefore, the above problems need to be improved. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a screening device for screening tea residues.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A screening device for screening tea residues, including a cylinder body, a tray is arranged inside the lower end of the cylinder body, a circular chute for cooperating with a sliding assistance ring is opened on the top surface of the cylinder body, the sliding assistance ring is sleeved in the circular chute of the cylinder body, and a screening component is arranged inside the cylinder body.

[0006] Preferably, the screening component includes a filter screen arranged inside the cylinder body, a fixing ring is fixedly connected to the top surface of the filter screen, the fixing ring is sleeved on the top surface of the sliding assistance ring, a frustum is fixedly connected to the lower end of the filter screen, connecting plates are fixedly connected to the four ends of the frustum, and the upper ends of the connecting plates are fixedly connected to the fixing ring.

[0007] Preferably, a hole for cooperating with a rotating rod is opened inside the frustum, a fixing block is fixedly connected to the upper end of the rotating rod, and a straight gear is fixedly connected to the lower end of the rotating rod. A servo motor is arranged on one side of the rotating rod, a semi-circular straight gear is fixedly connected to the upper end of the servo motor, the semi-circular straight gear and the straight gear are on the same horizontal plane, and the semi-circular straight gear and the straight gear are meshed and driven.

[0008] Preferably, the bottom surface of the servo motor is fixedly connected to the bottom surface of the inner wall of the bearing box, and one side of the bearing box is fixedly connected to the inner wall of the cylinder body.

[0009] Preferably, a supporting ring is arranged below the tray, and the outer surface of the supporting ring is fixedly connected to the inner wall of the cylinder body.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the present utility model, the semi-circular spur gear is driven by a servo motor to rotate, thereby driving the rotation of the spur gear, and further driving the rotation of the filter screen; furthermore, through the cooperation of the semi-circular spur gear and the spur gear, the rotation and stop of the filter screen are controlled. When the filter screen rotates, the tea leaves are rotated to the upper part of the filter screen, and then when the filter screen stops rotating, due to the weight of the tea leaves themselves, they will fall onto the round table, and this process is repeated to achieve the screening of broken residues; it avoids the situation that the tea leaves are broken due to vibration, and prevents the tea leaves from becoming smaller or deformed. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0012] Figure 1 is the overall three-dimensional structure schematic diagram of the present utility model;

[0013] Figure 2 is the front sectional structure schematic diagram of the present utility model;

[0014] Figure 3 is the top sectional structure schematic diagram of the present utility model;

[0015] Figure 4 is of the present utility model Figure 2 enlarged schematic diagram of the structure of part A;

[0016] Figure 5 is of the present utility model Figure 2 enlarged schematic diagram of the structure of part B.

[0017] Reference numerals in the figures: 1, cylinder body; 2, tray; 3, filter screen; 4, sliding aid ring; 5, connecting plate; 6, round table; 7, fixing block; 8, rotating rod; 9, spur gear; 10, servo motor; 11, semi-circular spur gear; 12, bearing box; 13, supporting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0019] Embodiment: Refer to Figures 1-5, the screening device for removing tea dregs in the present utility model includes a cylinder body 1. A tray 2 is arranged inside the lower end of the cylinder body 1, which is convenient for collecting the screened dregs through the tray 2; a circular chute for cooperating with a sliding aid ring 4 is provided on the top surface of the cylinder body 1, which is convenient for the rotation of the screening assembly through the sliding aid ring 4; the sliding aid ring 4 is sleeved in the circular chute of the cylinder body 1, and a screening assembly is arranged inside the cylinder body 1. The screening assembly includes a filter screen 3 arranged inside the cylinder body 1, which is convenient for screening the tea dregs through the filter screen 3; a fixing ring is fixedly connected to the top surface of the filter screen 3, which is convenient for clamping the screening assembly through the fixing ring; the fixing ring is sleeved on the top surface of the sliding aid ring 4, a circular table 6 is fixedly connected to the lower end of the filter screen 3, which is convenient for connecting other components through the circular table 6; connecting plates 5 are fixedly connected to the four ends of the circular table 6, which is convenient for connecting the fixing ring and the circular table 6 through the connecting plates 5; the upper ends of the connecting plates 5 are fixedly connected to the fixing ring.

[0020] In the present utility model, a hole for cooperating with a rotating rod 8 is provided inside the circular table 6, which is convenient for driving the circular table 6 to rotate through the rotating rod 8; a fixing block 7 is fixedly connected to the upper end of the rotating rod 8, which is convenient for fixing the rotating rod 8 and the circular table 6 through the fixing block 7; and a straight gear 9 is fixedly connected to the lower end of the rotating rod 8, and the straight gear 9 is convenient for rotating the rotating rod 8; a servo motor 10 is arranged on one side of the rotating rod 8 and is driven by the servo motor 10; a semi-circular straight gear 11 is fixedly connected to the upper end of the servo motor 10, which is convenient for controlling the rotation and stop of the screening device through the semi-circular straight gear 11; the semi-circular straight gear 11 and the straight gear 9 are on the same horizontal plane, and the semi-circular straight gear 11 and the straight gear 9 are in meshing transmission. The bottom surface of the servo motor 10 is fixedly connected to the bottom surface of the inner wall of the bearing box 12, which is convenient for bearing the servo motor 10 and the remaining components through the bearing box 12; one side of the bearing box 12 is fixedly connected to the inner wall of the cylinder body 1. A supporting ring 13 is arranged under the tray 2, which is convenient for supporting the tray 2 through the supporting ring 13; the outer surface of the supporting ring 13 is fixedly connected to the inner wall of the cylinder body 1.

[0021] Working principle: When the present utility model is in use, first, the servo motor 10 is powered on to drive the semi-circular straight gear 11 to rotate, then drive the straight gear 9 through the semi-circular straight gear 11, and then drive the rotating rod 8 through the straight gear 9 to drive the rotation of the filter screen 3; since the contact area between the semi-circular straight gear 11 driving the straight gear 9 is only half, the straight gear 9 rotates and stops for a while, and then the filter screen 3 rotates and stops for a while; then the tea is poured onto the filter screen 3. When the filter screen 3 rotates, the tea is rotated above the filter screen 3, and when the filter screen 3 stops rotating, the tea will slowly fall onto the circular table 6 due to gravity, and the reciprocating motion causes the dregs to fall onto the tray 2.

[0022] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. A screening device for screening tea residues, comprising a cylinder (1), characterized in that: A tray (2) is provided at the lower end of the cylinder (1), a circular slide groove cooperating with a slide-assisting ring (4) is provided on the top surface of the cylinder (1), a slide-assisting ring (4) is sleeved in the circular slide groove of the cylinder (1), and a screening assembly is provided in the cylinder (1).

2. The screening device for removing tea residue according to claim 1, characterized in that: The screening assembly comprises a filter screen (3) arranged in a cylinder (1), the top surface of the filter screen (3) being fixedly connected to a fixing ring, the fixing ring being sleeved on the top surface of a sliding ring (4), the lower end of the filter screen (3) being fixedly connected to a truncated table (6), the four ends of the truncated table (6) being fixedly connected to connecting plates (5), the upper end of the connecting plate (5) being fixedly connected to the fixing ring.

3. The screening device for removing tea residue according to claim 2, characterized in that: A hole cooperating with the rotating rod (8) is provided in the truncated table (6); a fixing block (7) is fixedly connected to the upper end of the rotating rod (8); and a spur gear (9) is fixedly connected to the lower end of the rotating rod (8); a servo motor (10) is provided on one side of the rotating rod (8); and a semicircular spur gear (11) is fixedly connected to the upper end of the servo motor (10); the semicircular spur gear (11) and the spur gear (9) are on the same horizontal plane, and the semicircular spur gear (11) and the spur gear (9) are meshed for transmission.

4. The screening device for removing tea residue according to claim 3, characterized in that: The bottom surface of the servo motor (10) is fixedly connected to the bottom surface of the inner wall of the carrying box (12), and one side of the carrying box (12) is fixedly connected to the inner wall of the cylinder (1).

5. The screening device for removing tea residue according to claim 1, characterized in that: A support ring (13) is provided at the lower end of the tray (2), and the outer surface of the support ring (13) is fixedly connected to the inner wall of the cylinder (1).

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