Screening device for tea leaves

Abstract

The utility model particularly relates to the technical field of tea leaf processing, and discloses a tea leaf screening device which comprises a screening box, a plurality of limiting frames are fixedly arranged on the side wall of the screening box, communicating grooves are formed in the side walls of the limiting frames, communicating pipes are inserted into the communicating grooves, an air blower is fixedly arranged at the top end of the screening box, and the air blower is connected with the limiting frames. A hose is inserted into an air outlet in the side wall of the air blower, and the other end of the hose is inserted into the side wall of the communicating pipe. By arranging the limiting frame, the communicating groove, the air blower, the hose and the nozzles, the communicating groove sequentially penetrates through the limiting frame and the side wall of the screening box to be connected with the communicating pipe in a clamped mode, wind power can be generated by starting the air blower, and when the wind is sprayed out of the nozzles through the hose and the communicating pipe, the surface of the filter screen can be purged and cleaned; therefore, the fluidity of the tea on the surface of the filter screen is improved, the filter screen is prevented from being blocked, and the tea screening efficiency is improved.

Description

Technical Field

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

[0002] Tea refers to the leaves and buds of the tea tree, also known as tea, tea, tea, tea, and tea, which generally refers to the leaves of the evergreen shrub tea tree that can be used to make tea and the beverages brewed with these leaves. In the process of tea processing, the screening of fresh tea leaves is an indispensable step. Tea screening is to separate tea leaves, sand, dust and other debris, and even tender and fresh leaves from tea leaves through a filter sieve, and screen out one bud and one or two leaves, one bud and three or four leaves, and other coarse and old raw materials in three levels, thereby improving the quality of tea growth.

[0003] Existing technical solutions, such as announcement number: CN212916533U. The utility model relates to the technical field of tea processing, and in particular to a tea screening device, which solves the problem of slow screening speed, low efficiency and labor consumption in the prior art of manual screening of tea. A tea screening device includes a base, a screening box is arranged at the center of the top of the base, two sliders are fixedly connected to both sides of the bottom of the screening box, and there is a certain distance between the two sliders, and T-shaped slides used with the sliders are opened on both sides of the top of the base, a bearing plate is fixedly connected to one side of the top of the base, and a driving motor is fixedly connected to the upper part of one side of the bearing plate by bolts, a first screen is arranged on the upper part of the inner cavity of the screening box, and the outer wall of the first screen is fixedly connected to the inner wall of the screening box, and a feed port is opened on one side of the top of the screening box. The utility model can replace manual screening of tea, improve screening speed and efficiency, and save manpower.

[0004] The above technical solution has the following technical problems: when the tea screening device is in use, part of the tea leaves may get stuck on the surface of the screen, causing the screen to be blocked, thereby affecting the efficiency of the tea leaves. Utility Model Content

[0005] The utility model provides a tea screening device, aiming to solve the problem that when the tea screening device is in use, part of the tea leaves may be stuck on the surface of the screen, thereby causing the screen to be blocked, thereby affecting the efficiency of tea leaves.

[0006] The utility model is implemented as follows: a tea screening device comprises a screening box, a plurality of limit frames are fixedly arranged on the side wall of the screening box, the side walls of the limit frames are all provided with connecting grooves, the interiors of the connecting grooves are all plugged with connecting pipes, a blower is fixedly arranged on the top of the screening box, a hose is plugged with the air outlet of the side wall of the blower, the other end of the hose is plugged with the side wall of the connecting pipe, a filter screen is fixedly arranged on the inner side wall of the screening box near the bottom of the three connecting grooves, and a plurality of nozzles are plugged with the bottom end of the connecting pipe near the filter screen.

[0007] Preferably, a feed hopper is plugged into the top of the screening box, the feed hopper is connected to the screening box, and the feed hopper is located at the top of the filter screen to facilitate the transportation of tea leaves.

[0008] Preferably, a vibration motor is fixedly provided on the side wall of the screening box, a plurality of spring assemblies are fixedly provided at the bottom end of the vibration motor, and a base is fixedly provided at the bottom end of the spring assembly, thereby improving the stability of vibration screening of the screening box.

[0009] Preferably, a discharge hopper 1 is inserted in the middle position of the bottom end of the screening box, the discharge hopper 1 is connected to the screening box and is located directly below the filter screen, and the bottom end of the discharge hopper 1 passes through the base, thereby improving the convenience of collecting waste impurities.

[0010] Preferably, a plurality of discharge hoppers 2 are symmetrically inserted on the side wall of the screening box away from the vibration motor, and the discharge hoppers 2 sequentially penetrate the screening box and are sequentially connected with the top of the filter screen, so as to facilitate the collection of tea leaves of different grades.

[0011] Preferably, baffles are slidably connected to the side walls of the second discharge hopper, and the baffles are in a convex shape, which improves the convenience of closing the baffles.

[0012] Preferably, a plurality of slide rails are fixedly provided on the side wall at equal intervals, the slide rails penetrate the side wall of the screening box, the slide rails correspond to the limit frames, and the E-shaped ends of the nozzles are fixedly provided with sliders, which are slidably connected to the inside of the slide rails in turn, thereby improving the sliding stability of the connecting pipe.

[0013] Preferably, anti-slip strips are clamped on the inner side walls of the connecting grooves, and the anti-slip strips are made of rubber material and are in a ring shape, thereby improving the sealing performance of the connecting grooves.

[0014] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0015] Firstly, a limit frame, a connecting groove, a blower, a hose and a nozzle are provided. The connecting groove passes through the limit frame and the side wall of the screening box in sequence for the connecting pipe to be connected. By starting the blower, wind can be generated. When the wind is ejected from a number of nozzles through the hose and the connecting pipe, the surface of the filter can be purged and cleaned, thereby improving the fluidity of tea leaves on the surface of the filter and avoiding clogging of the filter, thereby improving the screening efficiency of tea leaves; secondly, anti-slip strips, slide rails and sliders are provided. The anti-slip strips are made of rubber material to improve the sealing of the hose plugged into the limit frame. Pushing the connecting pipe can make the connecting pipe slide along the connecting groove, thereby expanding the blowing range of the connecting pipe. The slider limits the lateral displacement of the end of the connecting pipe and improves the sliding stability of the connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a front view three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the connecting pipe of the utility model from the front view.

[0019] Figure 4 It is a schematic diagram of the front cross-sectional structure of the screening box of the present utility model.

[0020] The accompanying drawings are marked as follows: 1. screening box; 2. limiting frame; 3. connecting groove; 4. blower; 5. feed hopper; 6. hose; 7. connecting pipe; 8. vibration motor; 9. anti-slip strip; 10. spring assembly; 11. base; 12. discharge hopper one; 13. discharge hopper two; 14. baffle; 15. slide rail; 16. nozzle; 17. slider; 18. filter. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] See also Figure 1-4, the utility model provides an embodiment of a tea screening device, including a screening box 1, a vibration motor 8 is fixedly provided on the side wall of the screening box 1 by bolts for generating vibration, a plurality of spring assemblies 10 are fixedly provided at the bottom end of the vibration motor 8, the spring assemblies 10 are elastic, a base 11 is fixedly provided at the bottom end of the spring assembly 10, the spring assembly 10 can limit the displacement of the screening box 1, thereby improving the stability of the vibration screening of the screening box 1, a plurality of limit frames 2 are fixedly provided on the side wall of the screening box 1 by welding, the limit frames 2 are distributed at equal intervals, connecting grooves 3 are provided on the side walls of the limit frames 2, the connecting grooves 3 sequentially penetrate the limit frames 2 and the side walls of the screening box 1, and connecting pipes 7 are plugged into the inside of the connecting grooves 3, the connecting pipes 7 are made of galvanized pipes and have a circular cross-section, a blower 4 is fixedly provided on the top of the screening box 1 by bolts for generating wind force, and a hose 6 is plugged into the air outlet of the side wall of the blower 4, the hose 6 is a rubber hose for convenient bending and movement, and the other end of the hose 6 is plugged into On the side wall of the connecting pipe 7, a filter screen 18 is fixedly provided on the inner side wall of the screening box 1 near the bottom of the three connecting grooves 3 by bolts. The filter screen 18 is arranged obliquely, which is convenient for the tea leaves to slide on the filter screen 18. The mesh diameter of the filter screen 18 becomes smaller from top to bottom, which is convenient for screening out one bud and one or two leaves, one bud and three or four leaves and other coarse and old raw materials in three levels. The filter screen 18 is a prior art and will not be described here. A feed hopper 5 is plugged into the top of the screening box 1, and the feed hopper 5 is connected to the screening box 1. The feed hopper 5 is located at the top of the filter screen 18, which is convenient for tea leaves to be transported. A plurality of nozzles 16 are plugged into the bottom end of the connecting pipe 7 near the filter screen 18. When the tea leaves block the filter screen 18, wind can be generated by starting the blower 4. When the wind is ejected from the plurality of nozzles 16 through the hose 6 and the connecting pipe 7, the surface of the filter screen 18 can be purged and cleaned, thereby improving the fluidity of the tea leaves on the surface of the filter screen 18, avoiding blocking the filter screen 18, and thus improving the screening efficiency of the tea leaves.

[0024] A discharge hopper 12 is inserted in the middle position of the bottom end of the screening box 1. The discharge hopper 12 is connected to the screening box 1 and is located directly below the filter 18. The bottom end of the discharge hopper 12 passes through the base 11, which improves the convenience of collecting waste impurities. A number of discharge hoppers 13 are symmetrically inserted on the side wall of the screening box 1 away from the vibration motor 8. The discharge hoppers 13 pass through the screening box 1 and are connected to the top of the filter 18 in sequence, which is convenient for collecting tea leaves of different grades. The side walls of the discharge hoppers 13 are slidably connected with baffles 14, which are convex in shape, which improves the convenience of closing the baffles 14.

[0025] A plurality of slide rails 15 are fixedly provided on the side wall at equal intervals, and the slide rails 15 penetrate the side wall of the screening box 1, and the slide rails 15 correspond to the limit frame 2. Slide blocks 17 are fixedly provided at the E-shaped ends of the nozzles 16, and the slide blocks 17 are slidably connected to the inside of the slide rails 15 in turn, so as to improve the sliding stability of the connecting pipe 7. Anti-slip strips 9 are clamped on the inner side walls of the connecting grooves 3, and the anti-slip strips 9 are made of rubber and are in the shape of an annulus, so as to improve the sealing of the connecting grooves 3. Pushing the connecting pipe 7 can drive the connecting pipe 7 and the slide block 17 to slide in the connecting grooves 3 and the slide rails 15 in turn, so as to facilitate the adjustment of the blowing range of the nozzle 16.

[0026] Working principle: When the tea screening device is in use, the operator first connects an external power supply, pours the tea to be screened from the feed hopper 5 into the inside of the screening box 1, starts the vibration motor 8 to drive the screening box 1 to vibrate synchronously, thereby driving the filter 18 to vibrate synchronously, so as to screen tea of ​​different qualities, and pulls out the baffle 14 to open the discharge hopper 13 to facilitate the collection of the screened tea. When the surface of the filter 18 is blocked by tea, wind can be generated by starting the blower 4. When the wind is ejected from a plurality of nozzles 16 through the hose 6 and the connecting pipe 7, the surface of the filter 18 can be purged and cleaned, thereby improving the fluidity of the tea on the surface of the filter 18 and avoiding blocking the filter 18, thereby improving the screening efficiency of the tea.

[0027] Secondly, the anti-slip strips 9 are made of rubber and are in a circular ring shape. The anti-slip strips 9 are elastic and can seal the connecting groove 3 to prevent tea from leaking out of the connecting groove 3. Pushing the connecting tube 7 can drive the connecting tube 7 and the slider 17 to slide in the connecting groove 3 and the slide rail 15 in turn, thereby facilitating the adjustment of the blowing range of the nozzle 16.

[0028] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0029] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0030] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0031] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A tea screening device, characterized in that: The invention comprises a screening box (1): a plurality of limit frames (2) are fixedly arranged on the side wall of the screening box (1), a connecting groove (3) is opened on the side wall of the limit frame (2), a connecting pipe (7) is inserted into the inside of the connecting groove (3), a blower (4) is fixedly arranged on the top of the screening box (1), a hose (6) is inserted into the air outlet of the side wall of the blower (4), and the other end of the hose (6) is inserted into the side wall of the connecting pipe (7), a filter screen (18) is fixedly arranged on the inner side wall of the screening box (1) below the three connecting grooves (3), and a plurality of nozzles (16) are inserted into the bottom end of the connecting pipe (7) near the filter screen (18).

2. A tea screening device according to claim 1, characterized in that: A feed hopper (5) is inserted into the top of the screening box (1), the feed hopper (5) is connected to the screening box (1), and the feed hopper (5) is located at the top of the filter screen (18).

3. A tea screening device according to claim 1, characterized in that: A vibration motor (8) is fixedly arranged on the side wall of the screening box (1), a plurality of spring assemblies (10) are fixedly arranged at the bottom end of the vibration motor (8), and a base (11) is fixedly arranged at the bottom end of the spring assembly (10).

4. A tea screening device according to claim 3, characterized in that: A discharge hopper (12) is inserted in the middle of the bottom of the screening box (1). The discharge hopper (12) is connected to the screening box (1) and is located directly below the filter screen (18). The bottom end of the discharge hopper (12) passes through the base (11).

5. A tea screening device according to claim 4, characterized in that: A plurality of discharge hoppers (13) are symmetrically inserted on the side wall of the screening box (1) away from the vibration motor (8), and the discharge hoppers (13) sequentially penetrate the screening box (1) and are sequentially connected to the top of the filter screen (18).

6. A tea screening device according to claim 5, characterized in that: The side walls of the second discharge hopper (13) are slidably connected with baffles (14), and the baffles (14) are in a convex shape.

7. A tea screening device according to claim 1, characterized in that: A plurality of slide rails (15) are fixedly arranged on the side wall at equal intervals. The slide rails (15) penetrate the side wall of the screening box (1). The slide rails (15) correspond to the limiting frame (2). The E-shaped ends of the nozzles (16) are fixedly arranged with slide blocks (17). The slide blocks (17) are slidably connected in sequence to the inside of the slide rails (15).

8. The tea screening device according to claim 1, characterized in that: The inner side walls of the connecting grooves (3) are all clamped with anti-slip strips (9), and the anti-slip strips (9) are all made of rubber and are in the shape of a ring.

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