Classification screening machine for tea preparation
By designing a tea grading screening machine, using servo motors and reset springs to drive the screening box shaking, and using multiple screening plates to screen tea, the problem of low tea screening efficiency in the existing technology is solved, and efficient multi-level screening and cost reduction are achieved.
Patent Information
- Application Number
- CN202420877052.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-25
AI Technical Summary
Existing tea screening mainly relies on manual handheld screening, which is inefficient and costly. It is impossible to screen multiple grades at one time, and requires manual secondary selection, resulting in low screening efficiency.
A tea grading screening machine is designed, using a servo motor to drive the shaft and return spring to drive the slider, so that the screening box can shake left and right, and multi-level screening of tea can be achieved through multiple screening plates (sieve hole size is reduced in sequence) to improve efficiency.
Multi-level screening of tea is realized, screening efficiency is improved, labor costs are reduced, and screening process is simplified.
Smart Images
Figure CN222241255U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tea preparation, in particular to a tea preparation grading and screening machine. Background Art
[0002] Tea is a beverage made from fresh leaves of the tea plant. It is also one of the most popular and widely consumed beverages in the world. There are many types of tea, mainly including green tea, black tea, white tea, oolong tea and dark tea. During the preparation process, tea leaves need to be screened to distinguish the grades of tea leaves.
[0003] The existing tea screening is mostly done by manually shaking a handheld sieve, which has high labor costs and can only shake a sieve with a single aperture at a time. It is impossible to screen out multiple grades of tea at one time. Later, manual secondary selection is required to distinguish the grades of tea again. The screening efficiency is low. Therefore, a tea grading and screening machine is proposed to solve the above problems. Utility Model Content
[0004] In order to solve the above technical problems, a tea preparation, grading and screening machine is provided. The technical solution solves the problem mentioned in the above background technology that the existing tea screening is mostly done by manually shaking a handheld sieve, the labor cost is high and only a single-aperture sieve can be shaken at a time, and multiple grades of tea cannot be screened out at one time. Later, manual secondary selection is required to distinguish the grades of the tea again, and the screening efficiency is low.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A tea preparation grading and screening machine comprises a screening box, wherein slide grooves are provided on the left and right sides of the inner bottom end of the screening box, and a plurality of return springs are fixedly connected to the left and right inner walls of the screening box, and the other end of the return spring is fixedly connected to a slider, and the slider is slidably connected to the inside of the slide groove, and a screening assembly is arranged at the upper ends of the two sliders, and a rotating shaft is rotatably connected to the right end of the slider near the left side between the front and rear inner walls of the screening box, and a plurality of equidistantly distributed eccentric wheels are fixedly connected to the outer surface of the rotating shaft, and a servo motor for driving the rotating shaft to rotate is fixedly installed on the front side of the screening box, a feed hopper is fixedly connected to the upper end of the screening box, a box door is hinged at the right end of the screening box, and a collecting frame is fixedly connected to the left side of the screening box.
[0007] Preferably, the screening component comprises a screening frame fixedly connected to the upper end of the sliding block, and the interior of the screening frame is fixedly connected with a first screen plate, a second screen plate and a third screen plate from top to bottom.
[0008] Preferably, a plurality of sieve holes are formed through the upper ends of the first sieve plate, the second sieve plate and the third sieve plate, and the diameters of the sieve holes of the first sieve plate, the second sieve plate and the third sieve plate decrease successively.
[0009] Preferably, a collecting groove is provided at the lower right side of the screening frame, and a first collecting box is inserted into the collecting groove.
[0010] Preferably, three equally spaced discharge ports are provided on the left side of the screening frame, and a guide plate is fixedly connected to the left side of the screening frame at positions corresponding to the discharge ports.
[0011] Preferably, a collecting port is provided at a position on the left side of the screening box corresponding to the discharge port, and a material guide plate is slidably connected to an inner wall of the collecting port.
[0012] Preferably, two partition plates are fixedly connected to the interior of the collection frame, and the two partition plates divide the interior of the collection frame into three collection bins, and the second collection box is plugged into the interior of the collection bin.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] This scheme proposes a tea preparation grading and screening machine, which drives the rotating shaft to rotate through a servo motor, so that the eccentric wheel periodically pushes the slider on the left side, and the use of a reset spring makes the screening frame shake left and right, thereby driving the first sieve plate, the second sieve plate and the third sieve plate to screen the tea leaves. The sieve holes of the first sieve plate, the second sieve plate and the third sieve plate with successively decreasing apertures can perform multi-level screening on the grades of the tea leaves at one time, thereby improving the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure inside the screening box of the utility model;
[0017] Figure 3 It is a structural schematic diagram of the screening component in the utility model;
[0018] Figure 4 It is a connection diagram of the middle box door of the utility model.
[0019] The numbers in the figure are:
[0020] 1. Screening box; 2. Slide; 3. Return spring; 4. Slider;
[0021] 5. Screening assembly; 501. Screening frame; 502. First screen plate; 503. Second screen plate; 504. Third screen plate; 505. Screen hole; 506. Collecting trough; 507. First collecting box; 508. Discharging port; 509. Guide plate;
[0022] 6. Rotating shaft; 7. Eccentric wheel; 8. Servo motor; 9. Collecting frame; 10. Partition plate; 11. Collecting bin; 12. Second collecting box; 13. Box door; 14. Collecting port; 15. Feed hopper. DETAILED DESCRIPTION
[0023] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.
[0024] Reference Figure 1 and Figure 2 As shown, a tea preparation grading and screening machine comprises a screening box 1, wherein slide grooves 2 are provided on the left and right sides of the inner bottom end of the screening box 1, and a plurality of return springs 3 are fixedly connected to the left and right inner walls of the screening box 1, and a slider 4 is fixedly connected to the other end of the return spring 3, and the slider 4 is slidably connected to the inside of the slide groove 2, and a screening assembly 5 is arranged at the upper ends of the two sliders 4, and a rotating shaft 6 is rotatably connected to the right end of the left slider 4 between the front and rear inner walls of the screening box 1, and a plurality of equidistantly distributed eccentric wheels 7 are fixedly connected to the outer surface of the rotating shaft 6, and a servo motor 8 for driving the rotating shaft 6 to rotate is fixedly installed on the front side of the screening box 1, and the rotating shaft 6 is driven to rotate by the servo motor 8, so that the eccentric wheel 7 on the surface of the rotating shaft 6 periodically pushes the slider 4 on the left side, and cooperates with the use of the return spring 3 to make the screening assembly 5 shake left and right to screen the tea leaves, and a feed hopper 15 is fixedly connected to the upper end of the screening box 1.
[0025] Reference Figure 3As shown, the screening component 5 includes a screening frame 501 fixedly connected to the upper end of the slider 4, and the inside of the screening frame 501 is fixedly connected with a first screen plate 502, a second screen plate 503 and a third screen plate 504 from top to bottom. The upper ends of the first screen plate 502, the second screen plate 503 and the third screen plate 504 are penetrated with a plurality of screen holes 505, and the apertures of the screen holes 505 of the first screen plate 502, the second screen plate 503 and the third screen plate 504 decrease in sequence. The left side of the screening frame 501 is provided with three equally distributed discharge ports 508, and a guide plate 509 is fixedly connected to the left side of the screening frame 501 at a position corresponding to the discharge port 508. The tea leaves added through the feed hopper 15 will fall on the upper end of the first screen plate 502. 1, the first sieve plate 502, the second sieve plate 503 and the third sieve plate 504 will shake at the same time, and the tea leaves on the upper end of the first sieve plate 502 will be screened layer by layer through the sieve holes 505 of the first sieve plate 502, the second sieve plate 503 and the third sieve plate 504. The tea leaves remaining on the surface of the first sieve plate 502 are special-grade tea leaves with complete leaves and uniform sizes, the tea leaves remaining on the surface of the second sieve plate 503 are first-grade tea leaves with moderate leaves and complete shapes, the tea leaves remaining on the surface of the third sieve plate 504 are second-grade tea leaves with relatively small leaves but still good overall quality, and finally the third-grade and below tea leaves with small leaves, incomplete or broken leaves are screened out by the third sieve plate 504, and the screened tea leaves are sent out through the discharge port 508 and the guide plate 509.
[0026] A collecting port 14 is provided at a position on the left side of the screening box 1 corresponding to the discharge port 508 , and a guide plate 509 is slidably connected to the inner wall of the collecting port 14 .
[0027] Reference Figure 1 and Figure 3 As shown, a collecting frame 9 is fixedly connected to the left side of the screening box 1, and two partition plates 10 are fixedly connected to the interior of the collecting frame 9. The two partition plates 10 divide the interior of the collecting frame 9 into three collecting bins 11, and a second collecting box 12 is plugged into the interior of the collecting bin 11. A collecting slot 506 is provided at the lower right part of the screening frame 501, and a first collecting box 507 is plugged into the interior of the collecting slot 506. The three second collecting boxes 12 are used to collect special-grade tea, first-grade tea and second-grade tea from top to bottom, and the first collecting box 507 is used to collect third-grade and lower-grade tea.
[0028] Reference Figure 4 As shown, a door 13 is hinged at the right end of the screening box 1, and the door 13 is convenient for taking out the first collecting box 507 and troubleshooting.
[0029] Working principle: When the device is in use, the tea leaves are first put into the screening frame 501 through the feed hopper 15, and then the servo motor 8 is connected to the power supply. Driven by the servo motor 8, the rotating shaft 6 will drive the eccentric wheel 7 to rotate. The eccentric wheel 7 will periodically push the left slider 4 to move during the rotation. At the same time, under the action of the elastic force of the return spring 3, the slider 4 will reciprocate left and right in the slide groove 2, thereby driving the screening frame 501 to shake left and right, and then driving the first sieve plate 502, the second sieve plate 503 and the third sieve plate 504 to screen the tea leaves. The tea leaves remaining on the surfaces of the first sieve plate 502, the second sieve plate 503 and the third sieve plate 504 correspond to special-grade tea leaves, first-grade tea leaves and second-grade tea leaves, respectively. These tea leaves will be sent out through the discharge port 508 and the guide plate 509 and stored in the three second collection boxes 12 respectively. The tea leaves screened out by the third sieve plate 504 are grade three and below, and these tea leaves will fall into the first collection box 507.
[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A tea preparation grading and screening machine, characterized in that: The invention comprises a screening box (1), wherein the left and right sides of the inner bottom end of the screening box (1) are provided with a slide groove (2), the left and right inner walls of the screening box (1) are fixedly connected with a plurality of return springs (3), the other end of the return spring (3) is fixedly connected with a slider (4), the slider (4) is slidably connected to the inside of the slide groove (2), the upper ends of the two sliders (4) are provided with a screening assembly (5), the right end of the slider (4) between the front and rear inner walls of the screening box (1) is rotatably connected with a rotating shaft (6), the outer surface of the rotating shaft (6) is fixedly connected with a plurality of equidistantly distributed eccentric wheels (7), the front side of the screening box (1) is fixedly installed with a servo motor (8) for driving the rotating shaft (6) to rotate, the upper end of the screening box (1) is fixedly connected with a feed hopper (15), the right end of the screening box (1) is hinged with a box door (13), and the left side of the screening box (1) is fixedly connected with a collecting frame (9).
2. A tea preparation grading and screening machine according to claim 1, characterized in that: The screening component (5) comprises a screening frame (501) fixedly connected to the upper end of the slider (4), and a first screening plate (502), a second screening plate (503) and a third screening plate (504) are fixedly connected inside the screening frame (501) from top to bottom.
3. A tea preparation grading and screening machine according to claim 2, characterized in that: A plurality of sieve holes (505) are provided through the upper ends of the first sieve plate (502), the second sieve plate (503) and the third sieve plate (504), and the diameters of the sieve holes (505) of the first sieve plate (502), the second sieve plate (503) and the third sieve plate (504) decrease successively.
4. A tea preparation grading and screening machine according to claim 2, characterized in that: A collecting groove (506) is provided at the lower right side of the screening frame (501), and a first collecting box (507) is inserted into the collecting groove (506).
5. A tea preparation grading and screening machine according to claim 2, characterized in that: The left side of the screening frame (501) is provided with three equally spaced discharge ports (508), and a guide plate (509) is fixedly connected to the left side of the screening frame (501) at positions corresponding to the discharge ports (508).
6. A tea preparation, grading and screening machine according to claim 1, characterized in that: A collecting port (14) is provided at a position on the left side of the screening box (1) corresponding to the discharge port (508), and a guide plate (509) is slidably connected to the inner wall of the collecting port (14).
7. A tea preparation, grading and screening machine according to claim 1, characterized in that: Two partition plates (10) are fixedly connected to the interior of the collection frame (9), and the two partition plates (10) divide the interior of the collection frame (9) into three collection bins (11), and a second collection box (12) is inserted into the interior of the collection bin (11).