CN209334187U - Fresh leaf grader - Google Patents

Abstract

The fresh leaf classifier includes a vibrating part assembly and a sieving bed assembly. The vibrating part assembly includes a lower support and an upper support. The lower support is provided with a first motor, a driving wheel, a driven wheel, a first eccentric shaft, and a connecting rod. One end of one end is connected with the first eccentric shaft, the other end is connected with the connecting rod shaft, and the connecting rod shaft is installed at the bottom of the upper support; the screening bed assembly includes the frame, the feeding hopper and the discharging hopper, and the gap between the feeding hopper and the discharging hopper is at least There is a section of tank body, the rear end of the tank body is equipped with a bridge dial, and the lower part is equipped with a volute type receiving and discharging hopper, including a lower hopper and an air delivery pipe. One end of the air delivery pipe is provided with a fan, and the other end is provided with a discharge pipe. . The utility model satisfies the requirement of a stepped fresh leaf grading machine designed and developed for separating raw materials of fresh tea leaves into different grades according to different sizes and lengths. The sieved fresh tea leaves have no jamming, and the distance between the grooves can be adjusted to meet the needs of grading fresh tea leaves of different sizes and shapes.

Description

Fresh Leaf Grader

technical field

The utility model relates to the technical field of tea equipment, in particular to a fresh leaf classifier.

Background technique

Classification of fresh tea leaves is the first hurdle to improve the quality of tea, but the existing classification structure will bring corresponding inconvenience. In addition to jamming the tea leaves, the centralized type of material receiving is too dense for the equipment layout of the next process. It is extremely difficult and cannot be applied to an automated assembly line.

Fresh tea leaves have different shapes, branches and leaves, and different sizes. The grading of fresh tea leaves cannot be framed in a suitable mesh to achieve grading. Therefore, the grading of fresh tea leaves is very concerned by users. But at present, the more common fresh tea leaf grader used in the market is a bamboo circular roll structure, which is suitable for hand-picked delicious raw materials, and the productivity is low, so continuous production cannot be realized. Moreover, the sieve cylinder is easy to hang tea leaves, and the cleaning of the hanging leaves needs to be done manually after the shutdown, which is not suitable for the production requirements of machine-picked fresh tea leaf classification. In addition, there is a linear vibrating fresh leaf classifier. Because leaves are inserted into the mesh, it cannot be cleaned automatically, and the tea leaves that block the mesh are easily damaged and affect production efficiency.

Utility model content

The utility model aims to solve the problems of the prior art, and provides a fresh leaf grader designed and developed for the separation of fresh tea leaf raw materials into different grades according to different sizes and lengths. Classification of regular-shaped fresh leaves is no longer a technical problem, and the first step of parametric processing is precisely controlled to meet the requirements of the production process.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

The fresh leaf classifier includes a vibrating part assembly and a screening bed assembly. The vibrating part assembly includes a lower support and an upper support. The lower support is provided with a first motor, a driving wheel, a driven wheel, and The first eccentric shaft, the first eccentric shaft is connected to one end of the connecting rod, the other end of the connecting rod is connected to the connecting rod shaft, and the connecting rod shaft is installed at the bottom of the upper support; the screening bed assembly is installed on the top of the upper support, including the frame and The feed hopper and discharge hopper are located at both ends of the frame. There is at least a section of tank body between the feed hopper and discharge hopper. The tank body includes a certain number of arc-shaped tank monomers. The rear end of the tank body is equipped with There is a groove between the tank body and the bridge dial, and a volute type receiving and discharging hopper is provided under the groove. The volute type receiving and discharging hopper includes a lower hopper and an air delivery pipe, and one end of the air delivery pipe A fan is provided, and a discharge pipe is provided at the other end. The working principle is that the fresh tea leaves are fed into the hopper to the trough, the driving wheel of the first motor, the driven wheel and the first eccentric shaft rotate, the connecting rod is connected with the eccentric section on the first eccentric shaft through the gland, and the first eccentric shaft The rotary motion of the connecting rod is converted into the reciprocating motion of the connecting rod, so that the sieve picking bed assembly vibrates up and down, providing the thrust of the fresh tea leaves upwards and forwards. The small tea leaves that are shorter than the set value fall into the groove, and the large tea leaves that are larger than the set value climb up the bridge wheel and slide into the discharge hopper or the next trough for secondary grading. The same structure, climb up the second bridge wheel The larger tea leaves enter the third-level tank for the third grading, and so on, and the last tea leaves will enter the discharge hopper to be removed. The tea leaves that fell into the groove fall into the corresponding volute type receiving and discharging hopper, and enter the air delivery pipe from the lower hopper, and the fresh tea leaves are blown to the discharge pipe by the fan on one side, and the screening process is completed to prepare for the next process .

As a preference, a rotary windshield is provided at the connection position between the lower hopper and the air delivery pipe, the rotary windshield includes a rotating shaft and several windshields, and the rotary windshield is connected to the bridge dial by transmission. On the one hand, it does not affect the tea leaves entering the air delivery pipe from the lower hopper, and also prevents the wind from entering the lower hopper from the connection position to affect the blanking.

Preferably, a certain number of air outlet holes are opened on the upper part of the discharge pipe to disperse the wind force at the outlet of the discharge pipe.

Preferably, smooth round tubes are provided between adjacent arc-shaped groove units. The openness of the fresh tea leaves on the trough body is increased, so that the fresh tea leaves lapped on the round tube can smoothly slide down into the arc-shaped trough unit to participate in the grading process.

Preferably, the groove body is composed of a single arc-shaped groove with a length of about 80cm and a width of about 1.2m. This length allows the small tea leaves to be located at the bottom of the trough during vibration, and they will be separated early when they slide down the groove, or barely pass the bridge wheel, and will be vibrated into the bottom of the trough again, and will be separated when they meet the groove. There is a technical problem that large tea leaves can not be normally graded with small tea leaves in fresh leaf grading. This width satisfies the demand of wind blowing material.

Preferably, spring sheets are arranged on both sides between the lower support and the upper support, and are inclined along the vibration direction to play a reset role.

Preferably, an adjustment sleeve is provided on the connecting rod to adjust the length of the connecting rod.

Preferably, at least one protruding structure is provided on the bridge dial to move the fresh tea leaves during rotation, so as to prevent the fresh tea leaves from being hung in the gap.

As a preference, a rack is provided at the bottom of the tank body, and a width adjusting wheel is provided on the frame on one side. The width adjustment wheel has a gear structure meshed with the rack, and the width of the groove can be adjusted by turning the width adjustment wheel. The length span of the fresh tea leaves that can be screened is large, and fresh tea leaves with a size of 1cm to 27cm can be screened according to requirements, the grading interval can be adjusted according to actual requirements, and large tea leaves beyond the set value can be removed.

Preferably, a plurality of compression wrenches are provided on the tank body, and the compression wrenches are connected with the frame through the second eccentric shaft structure, so that the position of the tank body is always kept stable.

As a preference, one end of the frame and the upper support is rotationally connected by a rotating shaft, and the other end is connected with an angle adjustment wheel, the screw of the angle adjustment wheel is threadedly connected with the upper support, and the upper end is fixed to the frame. Through the angle adjustment wheel, the frame can rotate upwards or downwards at a certain angle with the rotating shaft as the center, and the tank body can be horizontal or have a certain inclination.

As a preference, one side of the angle adjustment wheel is provided with an angle control plate with a scale, and a pin hole is provided on the angle control plate, so that the angle can be adjusted accurately. The lower end of the angle control plate is fixed to the upper support, and the frame has a pin hole After adjustment, insert the pins in the angle control plate and the frame pin holes.

The beneficial effects of the utility model are:

1. The air-sent tea mechanism is adopted, which can achieve horizontal discharge, which avoids the problem that the existing grader's discharge inclination angle is too small and cannot be discharged normally, or the height of the equipment will be increased if the discharge inclination angle is increased.

2. The air discharge method of shell-type receiving hopper and air delivery pipeline is adopted, which increases the productivity and reduces the height of the whole machine, which solves the problem that the overall unit is too high during the overlapping process of the production line, which is not conducive to the production operation and the high interference of the factory building. Reduced costs and improved plant utilization.

3. The slotted sieve opening structure is adopted, which solves the technical problem that the tea leaves stuck in the sieve mesh and it is difficult to clean in the existing grading machine.

4. Through the cooperation of the vibrating structure, the trough structure and the bridge wheel structure, the tea leaves are arranged in order, so that the sieved tea leaves are measured like a ruler, and the classification is accurate, which solves the problem of jamming and hanging due to the different shapes of tea leaves material problem.

5. The length and width of the trough structure adopted make the small tea leaves be located at the bottom of the trough during vibration, and they will be separated early when they slide down the groove. , It can also be separated when it meets the groove, and the material can be discharged normally through the air delivery pipe, which solves the technical problem that the small tea leaves cannot be normally graded when the large tea leaves are included in the classification of fresh tea leaves.

6. This equipment can achieve multiple screening of single-grade tea leaves and separate fresh tea leaves of multiple grades of tea at one time. The two modes can be set according to actual needs.

7. The angle of the sieving bed component of this equipment can be adjusted, and the distance between the tank body and the bridge wheel in the component can also be adjusted, so the fresh tea leaves that can be sieved have a large length span, and can sieve fresh tea leaves with a size of 1cm to 27cm , the grading distance can be adjusted according to actual requirements, and large tea leaves beyond the set value can be removed.

8. The vibrating structure of this equipment has low noise, and provides enough high-throwing and forward thrust to disperse the fresh tea leaves that are adhered and overlapped in the trough, and the round tube on the trough makes the fresh leaves Slide smoothly into the tank to participate in the grading process.

Description of drawings

Fig. 1 is a side view of the utility model;

Fig. 2 is a side sectional view of the utility model;

Fig. 3 is a front sectional view of the utility model;

Fig. 4 is another front sectional view of the utility model;

Fig. 5 is a partial schematic view of the tank body in the utility model;

Fig. 6 is a side view of the vibration part assembly in the utility model;

Fig. 7 is a top view of the vibration part assembly in the utility model;

Fig. 8 is a side view of the volute type receiving and discharging hopper in the utility model;

Fig. 9 is a partial schematic diagram of the angle adjustment structure in the utility model;

Fig. 10 is a schematic diagram of the transmission of the sieve picking bed assembly in the utility model;

Fig. 11 is a schematic diagram of the bridge dial and the rotary damper in the present invention;

Fig. 12 is the front view of the compression wrench in the utility model;

Fig. 13 is a top sectional view of the compression wrench in the utility model.

In the figure: 1. Lower support; 2. Upper support; 3. First motor; 4. Driving wheel; 5. Driven wheel; 6. First eccentric shaft; 7. Bearing seat; 8. Connecting rod; 8.1. Adjusting sleeve; 9. Connecting rod shaft; 10. Spring leaf; 11. Rack; 12. Groove body; 12.1. Arc groove monomer; 12.2. Round tube; 12.3. Rack; 1. Raised strip; 14. Lower hopper; 15. Air supply pipe; 16. Fan; 17. Air outlet pipe; 18. Second motor; 19. Width adjustment wheel; 20. Compression wrench; 20.1. Second eccentric shaft; 21. Revolving shaft; 22. Angle adjustment wheel; 23. Angle comparison plate; 23.1. Pin hole; 24. Feeding hopper; 25. Discharging hopper; 26. Rotary damper.

Detailed ways

The utility model will be further described below through specific embodiments and accompanying drawings.

Embodiment 1: As shown in Figure 1-3 and Figure 6-7, the fresh leaf classifier includes a vibrating part assembly and a screening bed assembly, the vibrating part assembly includes a lower support 1 and an upper support 2, and the lower support 1 The first motor 3, the driving wheel 4, the driven wheel 5 and the first eccentric shaft 6 erected by the bearing seat 7 are arranged on it, the first eccentric shaft 6 is connected with one end of the connecting rod 8, and the other end of the connecting rod 8 is connected with the connecting rod shaft 9. The connecting rod shaft 9 is installed on the bottom of the upper support 2. Wherein, spring sheets 10 are provided on both sides between the lower support 1 and the upper support 2, and the connecting rod 8 is provided with an adjustment sleeve 8.1.

As shown in Figures 1-4, the screening bed assembly is installed on the top of the upper support 2, including the frame 11 and the feed hopper 24 and discharge hopper 25 located at both ends of the frame 11, between the feed hopper 24 and the discharge hopper 25 There are three sections of tank body 12, the tank body 12 includes a certain number of arc-shaped groove monomers 12.1, the rear end of the tank body 12 is provided with a bridge dial 13 driven by a second motor 18, the tank body 12 and the bridge dial wheel 13 There are grooves between them. Wherein the bottom of the tank body 12 is provided with a rack 12.3, and the frame 11 on one side is provided with a width adjusting wheel 19.

As shown in Figure 2-3 and Figure 8, there is a volute type material receiving and discharging hopper under the groove, the volute type material receiving and discharging hopper includes a lower hopper 14 and an air delivery pipe 15, and a fan 16 is provided at one end of the air delivery pipe 15, The other end is provided with a discharge pipe 17, wherein a certain number of air outlet holes are provided on the top of the discharge pipe 17 to disperse the wind force at the outlet of the discharge pipe 17. As shown in Figures 10-11, a rotary damper 26 is provided at the connection position between the lower hopper 14 and the air delivery pipe 15. The rotary damper 26 includes a rotating shaft and several windshields. To connect, the bridge dial 13 is provided with at least one raised bar 13.1 structure.

As shown in FIG. 5 , smooth circular tubes 12.2 are provided between adjacent arc-shaped groove units 12.1. The tank body is composed of arc-shaped tank monomers with a length of about 80cm and a width of about 1.2m.

As shown in Figures 1-2 and Figure 9, one end of the frame 11 and the upper support 2 is rotationally connected through a rotating shaft 21, and the other end is connected with an angle adjustment wheel 22, and the screw rod of the angle adjustment wheel 22 is threadedly connected with the upper support 2, and the upper end Fixed with frame 11. And one side of the angle adjustment wheel 22 is provided with an angle contrast plate 23 with a scale, and the angle contrast plate 23 is provided with a pin hole 23.1.

As shown in Figures 12-13, a number of compression wrenches 20 are provided on the tank body 12, and the compression wrenches 20 are connected to the frame 11 through the structure of the second eccentric shaft 20.1.

Embodiment 2: The difference from Embodiment 1 is that there is only one section of tank body 12, which is a simplified version of the structure of Embodiment 1. Referring to Figure 4, the tea leaves are classified through multiple screenings in a single-stage structure.

The above is only a specific embodiment of the utility model, but the structural features of the utility model are not limited thereto, the utility model can be used for similar products, any skilled person in the field of the utility model , the changes or modifications made are all covered by the patent scope of the present utility model.

Claims (10)

1. Fresh leaf classifier, including a vibrating part assembly and a screening bed assembly, characterized in that: the vibrating part assembly includes a lower support (1) and an upper support (2), and the lower support (1) is provided with The first motor (3), the driving wheel (4), the driven wheel (5) and the first eccentric shaft (6) erected through the bearing seat (7), the first eccentric shaft (6) and one end of the connecting rod (8) connection, the other end of the connecting rod (8) is connected to the connecting rod shaft (9), and the connecting rod shaft (9) is installed at the bottom of the upper support (2); The screening bed assembly is installed on the top of the upper support (2), including the frame (11) and the feed hopper (24) and discharge hopper (25) located at both ends of the frame (11), the feed hopper (24) and the discharge hopper At least one section of tank (12) is provided between the hoppers (25), the tank (12) includes a certain number of arc-shaped tank monomers (12.1), and the rear end of the tank (12) is provided with a second motor (18) Driven bridge dial (13), there is a groove between the tank body (12) and the bridge dial (13), and a volute type receiving and discharging hopper is provided under the groove, and the volute type receiving and discharging hopper includes Lower hopper (14) and air delivery pipe (15), one end of air delivery pipe (15) is provided with blower fan (16), and the other end is provided with discharge pipe (17). 2. The fresh leaf classifier according to claim 1, characterized in that: the connection position between the lower hopper (14) and the air delivery pipe (15) is provided with a rotary damper (26), and the rotary damper (26) Including a rotating shaft and some windshields, the rotating windshield door (26) is connected with the transmission of the bridge dial (13). 3. The fresh leaf grader according to claim 1, characterized in that: a smooth round pipe (12.2) is arranged between adjacent arc-shaped groove units (12.1). 4. The fresh leaf grader according to claim 1, characterized in that: spring sheets (10) are arranged on both sides between the lower support (1) and the upper support (2). 5. The fresh leaf grader according to claim 1, characterized in that: the connecting rod (8) is provided with an adjustment sleeve (8.1). 6. The fresh leaf grader according to claim 1, characterized in that: at least one convex strip (13.1) structure is provided on the bridge dial (13). 7. The fresh leaf classifier according to claim 1, characterized in that: the bottom of the tank (12) is provided with a rack (12.3), and the frame (11) on one side is provided with a width adjustment wheel (19 ). 8. The fresh leaf classifier according to claim 7, characterized in that: the tank body (12) is provided with a number of compression wrenches (20), and the compression wrench (20) passes through the second eccentric shaft (20.1) The structure is connected with the frame (11). 9. The fresh leaf classifier according to claim 1, characterized in that: one end of the frame (11) and the upper support (2) is rotationally connected through a rotating shaft (21), and the other end is connected with an angle adjustment wheel (22 ), the screw rod of the angle adjustment wheel (22) is threadedly connected with the upper support (2), and the upper end is fixed with the frame (11). 10. The fresh leaf grader according to claim 9, characterized in that: an angle control plate (23) with a scale is provided on one side of the angle adjustment wheel (22), and a pin is provided on the angle control plate (23). hole (23.1).