Screening device for tea processing

Abstract

The utility model discloses a screening device for tea processing, which belongs to the technical field of tea processing equipment and comprises a winnowing barrel, a mounting plate is fixedly welded at the bottom of the winnowing barrel, and three equal trapezoidal through grooves are uniformly formed in the top of the mounting plate at equal intervals; a fixed part of the fan is connected with the end part of the winnowing barrel through a screw, and a dustproof filter screen is arranged on the outer side of the fan; the screen frame is slidably connected with a screening box facilitating gathering of the winnowed tea leaves, the top of the screening box is connected with the bottom of the mounting plate, and the screening box communicates with the through groove; the driving motor provides power, an output shaft of the driving motor is connected with an eccentric stand column, the eccentric stand column is connected with a U-shaped connecting rod through an adapter rod, and the end of the connecting rod is fixed to the screen frame. Through the fan, the motor and the screen frame, the screen frame is controlled to do reciprocating rectilinear motion in the screening box, tea is screened and separated, and the tea processing efficiency and quality are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tea processing equipment, in particular to an air separator for tea processing. Background Technique

[0002] Tea refers to the leaves and buds of the tea tree, also known as tea, jia, ming, and chuan. Generally, it refers to the leaves of the evergreen shrub tea tree that can be used for making tea, as well as the beverages brewed from these leaves. Later, it was extended to all herbal teas brewed from the flowers, leaves, seeds, and roots of plants. When processing tea, it is often necessary to fry the tea and screen out impurities. The existing tea air separation equipment uses a combination of a blower and a sieve to remove impurities from the tea. Since the impurities in the tea contain stems, leaves, etc., the fixed sieve cannot screen the impurities of the tea well, reducing the quality of the tea.

[0003] After retrieval, for example, (authorized publication number CN218982335U) an air separator for tea processing includes a support frame. In the middle of the support frame, an air separation channel is fixedly installed. At the top of the inner wall of the air separation channel, several baffle plates with different heights are fixedly installed. At the bottom of the inner wall of the air separation channel, several grooves are opened. At the top of each of the several grooves, a screening net is provided. At the bottom of each of the several grooves, a blanking device is hermetically connected. On one side of the air separation channel, several discharging mechanisms are opened. This device solves the problem that a large amount of impurities remain in the tea after screening. However, this device only uses a combination of a fixed sieve and a blower, and cannot efficiently clean the impurities contained in the tea, reducing the quality during tea processing. Content of the Utility Model

[0004] The purpose of the utility model is to provide a screening device for tea processing to solve the problems raised in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A screening device for tea processing includes:

[0006] An air separation barrel for screening during tea processing. The bottom of the air separation barrel is fixedly welded with a mounting plate, and three equally spaced and uniformly arranged trapezoidal through grooves are provided on the top of the mounting plate;

[0007] A blower for providing wind power. The fixing part of the blower is screwed to the end of the air separation barrel, and a filter screen for dust prevention is provided outside the blower;

[0008] A sieve frame for classification screening. A screening box that facilitates the convergence of tea for air separation is slidably connected to the sieve frame. The top of the screening box is connected to the bottom of the mounting plate, and the screening box is communicated with the through groove;

[0009] The driving motor that provides power has an output shaft connected to an eccentric column. The eccentric column is connected to a U-shaped connecting rod through a transfer rod, and the end of the connecting rod is fixed to the sieve frame.

[0010] As a preferred embodiment, two symmetrically arranged fixing plates are fixedly welded to the outer side of the mounting plate, and the bottoms of the two groups of four fixing plates are screw-connected to the fixing rods.

[0011] As a preferred embodiment, smooth rods with a smooth outer periphery are fixedly connected to the opposite sides of two of the fixing rods, and a sliding sleeve that is convenient for moving is slidably connected to the outer periphery of the smooth rods.

[0012] As a preferred embodiment, the outer periphery of the sliding sleeve is welded to the connecting rod. The connecting rod is fixedly connected to the connecting block, and the connecting block is fixed to the end side of the sieve frame through the provided bolts.

[0013] As a preferred embodiment, two T-shaped sliding plates that are convenient for sliding are fixedly welded to the outer periphery of the sieve frame, and the sliding plates are slidably connected to the slide rails arranged in the screening box.

[0014] As a preferred embodiment, a sieve mesh for screening is embedded in the sieve frame, and the outer side of the sieve frame is slidably connected to the inner side wall of the screening box.

[0015] As a preferred embodiment, two fixedly connected fixing blocks are fixed to the periphery of the sliding sleeve. The fixing blocks are connected by a U-shaped transfer rod, and one end of the transfer rod is rotatably connected to the eccentric column.

[0016] As a preferred embodiment, symmetrically welded ring plates for fixing and limiting are also fixed to the outer periphery of the sliding sleeve, and the side walls of the ring plates are abutted against the ends of the fixing blocks.

[0017] As a preferred embodiment, a feed hopper that is convenient for putting tea leaves is welded to the top of the selection barrel, and the feed hopper is located at one end close to the fan.

[0018] Compared with the prior art, the technical effects and advantages of the present utility model:

[0019] The screening device for tea processing has a blower screw - connected to one end of the air - separation barrel near the feed hopper. By controlling the rotation of the blower, the tea leaves entering the air - separation barrel through the feed hopper are preliminarily screened. Under the action of the different weights of different substances, the tea leaves and impurities enter the equally - spaced through - slots respectively, and the tea leaves and other substances are carried into the screening box. The reciprocating screen in the screening box completes the screening and separation of the tea leaves, so that the screened impurities are directly discharged through the discharge port set at the bottom of the screening box, and the separated tea leaves are collected through the discharge port set on one side of the screen. Compared with the existing equipment, this device drives the screen frame to move through the set driving motor, and under the action of the screen embedded in the screen frame, the screening of tea leaves is completed, improving the quality of tea during processing.

[0020] For the screening device for tea processing, partitions are welded on the opposite sides of the four welded feet. The fixed end of the motor is screw - connected to the top of the partition. The output shaft of the driving motor is connected to the bottom of the turntable. An eccentric column is arranged on the top of the turntable, and the eccentric column is rotatably connected to the transfer rod. Thus, under the action of the driving motor, the transfer rod moves reciprocally in a horizontal straight line, and then the transfer rod and the fixed block sleeved on the outer peripheral side of the sliding sleeve drive the sliding sleeve to slide on the sliding rod. A connecting rod for connection is welded on the peripheral side of the sliding sleeve, and both ends of the connecting rod are connected to both ends of the screen frame. Further, the movement of the screen frame is controlled by the driving motor, and the screen embedded in the screen frame completes the screening and separation of the tea leaves, improving the screening efficiency of the device.

[0021] This device solves the problem that the existing equipment cannot move the screen during the screening of tea leaves, improving the screening efficiency and quality of tea leaves. Brief Description of the Drawings

[0022] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following - described drawings are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 It is a schematic structural diagram of a screening device for tea processing in an embodiment of the present invention;

[0024] Figure 2 It is a schematic connection structure diagram of the screen frame in an embodiment of the present invention;

[0025] Figure 3 It is a schematic structural diagram of the screen frame in an embodiment of the present invention;

[0026] Figure 4Schematic diagram of the connection structure of the mounting plate in the embodiment of the present utility model;

[0027] Figure 5 Schematic diagram of the connection structure of the adapter rod in the embodiment of the present utility model;

[0028] Figure 6 Schematic diagram of the structure of the fan in the embodiment of the present utility model.

[0029] Explanation of reference numerals:

[0030] In the figure: 1, air separation barrel; 2, mounting plate; 3, support feet; 4, partition board; 5, screening box; 6, drive motor; 7, fixing plate; 8, fan; 9, feed hopper; 10, through groove; 11, turntable; 12, screen; 13, sliding plate; 14, fixing rod; 15, sliding rod; 16, connecting rod; 17, screen frame; 18, sliding sleeve; 19, fixing block; 20, adapter rod; 21, eccentric column. Detailed implementation manners

[0031] In the following description, a large number of specific details are given to provide a more thorough understanding of the present utility model. However, it is obvious to those skilled in the art that the present utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present utility model, some well-known technical features in the art are not described.

[0032] Unless otherwise defined, the up, down, left, right, front, back, inner and outer directions involved in this article are based on the up, down, left, right, front, back, inner and outer directions in the figures shown in the present utility model, and are hereby explained together.

[0033] The connection method can adopt existing methods such as bonding, welding, bolt connection, etc., depending on actual needs.

[0034] Embodiment

[0035] As Figures 1 to 6 shown, in order to ensure that when the turntable 11 and the eccentric column 21 rotate, the adapter rod 20, the connecting rod 16 and the screen frame 17 can always be controlled to move, sufficient clearance is provided at the joints of each structure, facilitating correction through the gaps, so that the circular motion and the linear motion will not interfere with each other.

[0036] This embodiment includes:

[0037] The air separation barrel 1 for screening during tea processing has a mounting plate 2 fixedly welded to the bottom. There are three equally spaced and uniformly arranged trapezoidal through slots 10 at the top of the mounting plate 2. Four symmetrically arranged supporting feet 3 are welded to the bottom of the mounting plate 2. The setting of the feet 3 can separate the air separation barrel 1 from the ground, reducing the operation of bending repeatedly during tea screening and improving the practicality of the device.

[0038] The fan 8 for providing wind power has its fixed part screw-connected to the end of the air separation barrel 1, and a dust filter is provided outside the fan 8. The setting of the filter can prevent dust in the air from mixing with the processed tea during tea screening, avoiding the reduction of the quality of the processed tea.

[0039] At the top of the air separation barrel 1, near one end of the fan 8, there is a funnel-shaped feed hopper 9. The feed hopper 9 can convey the tea for processing into the air separation barrel 1 and, through the cooperation of the fan 8, complete the separation of tea and substances of different qualities, improving the convenience of use of the device.

[0040] The sieve frame 17 for screening is slidably connected with a screening box 5 that facilitates the convergence of tea for air separation. The top of the screening box 5 is connected to the bottom of the mounting plate 2, and the screening box 5 is communicated with the through slots 10. T-shaped sliding rails are arranged on the inner wall of the screening box 5. The two sliding plates 13 welded to the side wall of the sieve frame 17 slide along the sliding rails, enabling the sieve frame 17 to move stably inside the screening box 5.

[0041] The driving motor 6 for providing power has its fixed part connected to the top of the partition plate 4. The side wall of the partition plate 4 is welded to the side wall of the foot 3. The output shaft of the driving motor 6 is also connected with an eccentric column 21. The eccentric column 21 is rotatably connected with a through-type movable groove, and the movable groove is arranged on the surface of the transfer rod 20. The inner diameter of the movable groove is larger than the diameter of the eccentric column 21, facilitating the correction of the linear deviation of the circular motion when the turntable 11 rotates.

[0042] A fixing block 19 for easy connection is fixed at the end of the transfer rod 20. A through-type round hole is provided in the middle of the fixing block 19, and the round hole is slidably connected with the provided sliding sleeve 18. To further correct the rotation of the turntable 11, the inner diameter of the round hole provided in the fixing block 19 is larger than the outer diameter of the sliding sleeve 18, further reserving a correction gap for easy use. To enable the fixing block 19 to drive the sliding sleeve 18 to move, annular plates or limiting rods for fixing are welded to both ends of the sliding sleeve 18. The limiting rods are connected to the circumferential side of the sliding sleeve 18 in a ring shape, and the annular plates or limiting rods are abutted against the end of the fixing block 19, thereby driving the sliding sleeve 18 to move on the surface of the sliding rod 15.

[0043] Both ends of the sliding rod 15 are fixed with fixed rods 14. One end of the fixed rod 14 is welded to the bottom of the fixed plate 7. The side wall of the fixed plate 7 is fixed to the side wall of the mounting plate 2. Connecting rods 16 are welded to both side ends of the sliding sleeve 18. The end of the connecting rod 16 is fixed to the sieve frame 17. Thus, by driving the motor 6 to drive the turntable 11 to rotate, under the action of the transfer rod 20, the fixed block 19, the sliding sleeve 18, the sliding rod 15, the connecting rod 16 and the sieve frame 17, the screening of the tea leaves converged inside the screening box 5 is completed.

[0044] The driving motor 6 and the blower 8 are both conventional instruments. Their working principles, dimensions and models are irrelevant to the functions of this application, so no more description will be given. The control mode of this utility model is controlled by a controller. The control circuit of the controller can be realized by simple programming by those skilled in the art. The provision of power also belongs to the common knowledge in this field. And this utility model is mainly used to protect mechanical devices, so the control mode and circuit connection of this utility model will not be explained in detail.

[0045] Working principle

[0046] When using this tea processing screening device, pour the tea leaves into the air separation barrel 1 through the feed hopper 9, and simultaneously start the blower 8 to drive the tea leaves to disperse inside the air separation barrel 1, so that substances of different weights enter the inside of the through grooves 10 at different distances. The bottom of the through groove 10 is welded with a screening box 5 communicated therewith. The substances preliminarily screened by the blower 8 enter the inside of the screening box 5 through the through grooves 10;

[0047] At this time, start the two driving motors 6 to rotate. The driving motor 6 drives the connected turntable 11 to rotate. The rotation of the turntable 11 drives the connected eccentric column 21 to rotate. The eccentric column 21 is rotationally connected with a transfer rod 20. Both ends of the transfer rod 20 are connected to the fixed blocks 19 fixedly connected to the outer peripheral side of the sliding sleeve 18. Then, driven by the driving motor 6, drive the sliding sleeve 18 to slide on the surface of the sliding rod 15. A ring plate or a limiting rod connected to the fixed block 19 is welded on the side wall of the sliding sleeve 18. Both ends of the sliding rod 15 are connected to the fixed plates 7 welded to both sides of the mounting plate 2 through the fixed rods 14;

[0048] Finally, the sliding of the sliding sleeve 18 drives the connecting rod 16 connected to the periphery of the sliding sleeve 18 to move. One end of the connecting rod 16 is welded to a connecting block, and the connecting block is connected to the end side of the sieve frame 17 through bolts. Two sliding plates 13 are welded on the outer side of the sieve frame 17. The sliding plates 13 slide on the slide rails arranged inside the screening box 5, so as to complete the reciprocating linear motion of the sieve frame 17, and complete the screening and separation of different substances by the sieve mesh 12 embedded inside the sieve frame 17. Clean the waste materials through the discharge port and the discharge opening and collect the required substances to complete the air separation operation during tea processing.

[0049] It should be noted that, in this article, relational terms such as "one" and "two" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the existence of additional identical elements in the process, method, article or device comprising said element.

[0050] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening device for tea processing, characterized in that: include: A winnowing barrel (1) for screening tea leaves during tea processing, wherein a mounting plate (2) is fixedly welded to the bottom of the winnowing barrel (1), and the top of the mounting plate (2) is provided with three trapezoidal through grooves (10) evenly spaced and arranged at equal intervals; A fan (8) for providing wind power, wherein a fixing portion of the fan (8) is screw-connected to an end portion of the wind separation barrel (1), and a filter screen for preventing dust is provided on the outer side of the fan (8); A sieve frame (17) for screening, the sieve frame (17) being slidably connected to a screening box (5) for gathering tea leaves for wind selection, the top of the screening box (5) being connected to the bottom of the mounting plate (2), and the screening box (5) being in communication with the through slot (10); A driving motor (6) provides power, the output shaft of the driving motor (6) is connected to an eccentric column (21), the eccentric column (21) is connected to a U-shaped connecting rod (16) through a transfer rod (20), and the end of the connecting rod (16) is fixed to a screen frame (17).

2. A screening device for tea processing according to claim 1, characterized in that: Two groups of symmetrically arranged fixing plates (7) are fixedly welded to the outer side of the mounting plate (2), and the bottoms of the two groups of four fixing plates (7) are screw-connected to the fixing rods (14).

3. A screening device for tea processing according to claim 2, characterized in that: The two fixed rods (14) are fixedly connected to the opposite sides thereof with a sliding rod (15) having a smooth outer circumference, and the outer circumference of the sliding rod (15) is slidably connected to a sliding sleeve (18) for easy movement.

4. A screening device for tea processing according to claim 3, characterized in that: The outer peripheral side of the sliding sleeve (18) is welded to the connecting rod (16), the connecting rod (16) is fixedly connected to the connecting block, and the connecting block is fixed to the end side of the screen frame (17) by means of provided bolts.

5. A screening device for tea processing according to claim 4, characterized in that: Two T-shaped slide plates (13) are fixedly welded to the outer peripheral side of the screen frame (17) for easy sliding. The slide plates (13) are slidably connected to the slide rails arranged in the screening box (5).

6. A screening device for tea processing according to claim 5, characterized in that: The screen frame (17) is embedded with a screen mesh (12) for screening, and the outer side of the screen frame (17) is slidably connected to the inner side wall of the screening box (5).

7. A screening device for tea processing according to claim 4, characterized in that: Two fixedly connected fixing blocks (19) are fixed on the peripheral side of the sliding sleeve (18), and the fixing blocks (19) are connected via a U-shaped transfer rod (20), and one end of the transfer rod (20) is rotatably connected to an eccentric column (21).

8. A screening device for tea processing according to claim 7, characterized in that: A symmetrically welded ring plate for fixing and limiting is also fixed on the outer peripheral side of the sliding sleeve (18), and the side wall of the ring plate abuts against the end of the fixing block (19).

9. A screening device for tea processing according to claim 1, characterized in that: A feeding hopper (9) is welded on the top of the air separation barrel (1) for convenient placement of tea leaves, and the feeding hopper (9) is located at one end close to the fan (8).

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