Automatic tea leaf layout machine

Abstract

The application discloses a kind of automatic layout machines of tea leaf, including rack, rotary conveyor belt is arranged on the rack, the upper portion of rotary conveyor belt is provided with feeding device, a group of tea inlet holes are provided side by side along the width direction of rotary conveyor belt, the front end of tea inlet hole is butt-jointed with the throwing material conveyor belt that tea leaf is driven to fly out quickly, the front of throwing material conveyor belt is provided with drop baffle, drop baffle and throwing material conveyor belt are provided with drop area, and the length of drop area is greater than the length of tea leaf;Drop baffle and feeding device are also provided with a group of limiting baffle for limiting tea leaf left and right swing.The application can realize the quick and neat arrangement of tea leaf, high efficiency, low labor intensity, and can be widely applied in the field of tea leaf layout.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tea processing, and particularly relates to a tea automatic layout machine. BACKGROUND

[0002] In the field of flat tea processing, such as Taiping Houkui, the formed tea leaves need to be placed in intervals as a whole, and then sent to a drying device for drying. The traditional method adopts a manual placing mode, which is low in efficiency and poor in neatness. In order to realize automatic placing, a Houkui kneading machine with adjustable tea outlet angle is disclosed in Chinese Patent Application No. 2021233543216, which comprises a machine body support. An upper part of the machine body support is provided with a tea conveying device. A front part of an input end of the tea conveying device is provided with a placing table. The placing table is used for placing a placing tool. The placing tool is used for placing the Houkui to be processed in rows. The tea conveying device can simultaneously grab and convey the Houkui to be processed placed on the placing tool. The tea conveying device further comprises a pair of upper forming rollers and lower forming rollers. The upper forming rollers and the lower forming rollers can perform forming operation on the Houkui to be processed passing between the upper forming rollers and the lower forming rollers. The tea conveying device can rotate. When the tea conveying device rotates clockwise, the angle between the tea conveying device and the conveying plate can be adjusted, so that the distance between the tea conveying device and the conveying plate is adjusted to obtain the Houkui layout requirement. The utility model can adjust the output angle of the tea conveying device, and can realize interval placing, but cannot realize neat arrangement, and is inconvenient for folding and stacking after drying. SUMMARY

[0003] The present application relates to the technical field of tea processing, and particularly relates to a tea automatic layout machine.

[0004] The technical solution adopted by this invention to solve its technical problem is: an automatic tea sorting machine, including a frame, on which a rotary conveyor belt that moves intermittently forward is arranged; a feeding device is arranged above the rotary conveyor belt; a set of tea inlets are arranged side by side along the width direction of the rotary conveyor belt; a throwing conveyor belt that propels tea leaves forward rapidly is connected to the front end of the tea inlets; a dropping baffle is arranged in front of the throwing conveyor belt; a dropping area is provided between the dropping baffle and the throwing conveyor belt, the length of the dropping area being greater than the length of the tea leaves; and a further... A set of limiting baffles is provided to restrict the left and right swing of the tea leaves. One limiting baffle is provided on each side of each tea inlet hole. The gap between the limiting baffle and the throwing conveyor belt is less than the thickness of the tea leaves. The limiting baffle extends downward in the dropping area to above the rotary conveyor belt or above the tea leaf placement device on the rotary conveyor belt. When all the tea inlets on the feeding device have finished feeding and the tea leaves are sent to the rotary conveyor belt below the dropping area or to the tea leaf placement device on the rotary conveyor belt, the rotary conveyor belt moves forward a certain distance and stops, ready to receive the next row of tea leaves.

[0005] To ensure that the tea leaves can be thrown out smoothly, the linear speed of the throwing conveyor belt shall not be less than 200 mm / s.

[0006] To prevent the tea leaves from not being neatly arranged due to displacement of the rotary conveyor belt or other reasons, the discharge baffle is also connected to a baffle drive device that drives the discharge baffle to move up and down. When the rotary conveyor belt starts, the baffle drive device drives the discharge baffle to move upward. When the rotary conveyor belt stops, the baffle drive device drives the discharge baffle back to its initial position, and the baffle drive device stops working.

[0007] Preferably, the baffle driving device includes a rotating shaft, rotating cams fixedly installed at both ends of the rotating shaft, and support columns provided at both ends of the material discharge baffle, with the other end of the support column supported on the circumferential surface of the rotating cam.

[0008] To facilitate the quick and easy feeding of tea leaves into the tea inlet, the rear end of the feeding device is equipped with a feeding platform for stacking unsorted tea leaves. The height of the tea inlet on the feeding device is adapted to the height of the feeding platform, allowing the operator to push the tea leaves directly from the feeding platform into the tea inlet.

[0009] To ensure that the tea leaves in the tea inlet can smoothly enter the throwing conveyor belt, a feeding roller group is also provided between the feeding device and the throwing conveyor belt to carry the tea leaves out from the outlet end of the tea inlet at a certain speed and feed them into the throwing conveyor belt; the feeding roller group includes an upper feeding roller and a lower feeding roller that cooperate with each other to drive the tea leaves forward.

[0010] In order to simultaneously shape the tea leaves, the feeding roller assembly not only drives the tea leaves forward but also applies a certain pressure to flatten and shape them.

[0011] To facilitate adjustment of the tension of the rotary conveyor belt, rotary conveyor rollers are provided at both ends of the rotary conveyor belt. A first mounting plate for supporting the rotary conveyor rollers is provided on the frame. The first mounting plate is provided with transverse waist-shaped adjustment holes along the horizontal direction for adjusting the front and rear positions of the rotary conveyor rollers. Bearing seats are provided at both ends of the rotary conveyor rollers, and the bearing seats are fixedly installed on the transverse waist-shaped adjustment holes by bolts.

[0012] To facilitate adjustment of the height of the rotary conveyor belt, the first mounting plate is also provided with vertical waist-shaped adjustment holes. The first mounting plate is fixedly installed on the frame by bolts in conjunction with the vertical waist-shaped adjustment holes for adjusting the height of the rotary conveyor belt.

[0013] To facilitate adjustment of the tension of the throwing conveyor belt, throwing conveyor shafts are provided at both ends of the throwing conveyor belt, and adjusting bolts for adjusting the position of one of the throwing conveyor shafts are provided on the frame.

[0014] The beneficial effects of this invention are as follows: By cooperating with the throwing conveyor belt and the dropping baffle, this invention enables tea leaves to accurately fall into a set position along the length of the rotary conveyor belt. Furthermore, by cooperating with the tea inlet hole and the limiting baffle, it ensures that the tea leaves do not deviate along the width of the rotary conveyor belt during forward conveying and throwing. This allows the tea leaves to be arranged in a row on the rotary conveyor belt or tea placement device. After moving a certain distance on the rotary conveyor belt, the next row of tea leaves is placed. After placement is completed, the rotary conveyor belt moves forward again, ultimately achieving neat arrangement of the tea leaves. This invention provides excellent tea leaf arrangement, high efficiency, and simple operation. Operators do not need to expend much mental effort; they only need to insert the tea leaves into the tea inlet hole.

[0015] The present invention will now be described in more detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0016] Fig. 1 This is a three-dimensional structural diagram of the present invention.

[0017] Fig. 2 This is a cross-sectional view of the present invention.

[0018] Fig. 3 This is a three-dimensional structural diagram of the feeding device and the feeding roller assembly in this invention. Detailed Implementation

[0019] Examples, such as Figs. 1 to 3As shown, an automatic tea sorting machine is used for the orderly sorting of flat teas such as Taiping Houkui before drying, thereby improving sorting efficiency and consistency and reducing labor intensity. The sorting machine includes a frame 1 and a rotary conveyor belt 2 mounted on the frame 1. The rotary conveyor belt 2 moves forward intermittently under the control of a control system, with each forward movement covering the distance between two rows of tea leaves. For ease of description, the direction of movement of the tea leaves on the rotary conveyor belt 2 is defined as forward, and vice versa as backward.

[0020] A feeding device 3 is installed above the rotary conveyor belt 2. The feeding device 3 has a set of tea inlet holes 31 arranged side-by-side along the width of the rotary conveyor belt 2. A throwing conveyor belt 4, which propels tea leaves forward rapidly, is connected to the front end of each tea inlet hole 31. A discharge baffle 5 is installed in front of the throwing conveyor belt 4, and a discharge area 6 is formed between the discharge baffle 5 and the throwing conveyor belt 4. The length of the discharge area 6 is greater than the length of the tea leaves. After the tea leaves enter the throwing conveyor belt 4 through the tea inlet holes 31, they are thrown out by the high-speed rotation of the throwing conveyor belt 4. The thrown tea leaves fall into the discharge area 6 under the action of the discharge baffle 5. The length of the throwing conveyor belt 4 is between 120mm and 200mm, and the linear speed of the throwing conveyor belt 4 is greater than 200mm / s.

[0021] A set of limiting baffles 7 is also provided between the discharge baffle 5 and the feeding device 3 to restrict the left and right swing of the tea leaves. One limiting baffle 7 is provided on each side of each tea inlet hole 31, thereby controlling the position of the tea leaves exiting each tea inlet hole 31 in the width direction of the rotary conveyor belt 2. The gap between the limiting baffle 7 and the throwing conveyor belt 4 is less than the thickness of the tea leaves. The limiting baffle 7 extends downwards in the discharge area 6 to above the rotary conveyor belt 2 or above the tea leaf placement device on the rotary conveyor belt 2. When all the tea inlets 31 on the feeding device 3 have finished feeding and the tea leaves are delivered by the throwing conveyor belt 4 to the rotary conveyor belt 2 below the discharge area 6 or to the tea leaf placement device 30 on the rotary conveyor belt 2 (usually a drying sieve), the rotary conveyor belt 2 moves forward a certain distance and stops, ready to receive the next row of tea leaves.

[0022] The rear end of the feeding device 3 is equipped with a feeding platform 10 for stacking unsorted tea leaves. The tea inlet 31 on the feeding device 3 is height-matched to the feeding platform 10, allowing the operator to directly push the tea leaves from the feeding platform 10 into the tea inlet 3. The operator can stand at the rear end and sides of the frame 1 to operate the machine, inserting the tea leaves into the tea inlet 3. Therefore, three people can operate the machine simultaneously to improve the speed of tea sorting.

[0023] To ensure that the tea leaves in the tea inlet 31 can smoothly enter the throwing conveyor belt 4, a feeding roller assembly 20 is also provided between the feeding device 3 and the throwing conveyor belt 4 to carry the tea leaves out of the outlet end of the tea inlet 31 at a certain speed and feed them onto the throwing conveyor belt 4. The feeding roller assembly 20 includes an upper feeding roller 21 and a lower feeding roller 22 that cooperate to move the tea leaves forward. The upper feeding roller 21 and the lower feeding roller 22 are equipped with meshing rotating gears. By rotating the gears, the upper feeding roller 21 and the lower feeding roller 22 rotate synchronously, with the upper feeding roller 21 rotating counterclockwise and the lower feeding roller 22 rotating clockwise. Furthermore, while driving the tea leaves forward, the feeding roller assembly 20 also applies a certain pressure to the tea leaves to flatten and shape them.

[0024] To control the up-and-down movement of the discharge baffle 5 and allow tea leaves to pass through during forward conveying, the discharge baffle 5 is also connected to a baffle drive device 8 that drives the discharge baffle 5 to move up and down. When the rotary conveyor belt 2 starts, the baffle drive device 8 drives the discharge baffle 5 to move upward. When the rotary conveyor belt 2 stops, the baffle drive device 8 drives the discharge baffle 5 back to its initial position, and the baffle drive device 8 stops working.

[0025] As one implementation, the baffle driving device 8 includes driving cylinders (not shown in the figure) acting on both ends of the discharge baffle 5, which drive the discharge baffle 5 to move up and down.

[0026] In another embodiment, the baffle driving device 8 includes a rotating shaft 81 and rotating cams 82 fixedly installed at both ends of the rotating shaft 81. Support columns 9 are provided at both ends of the discharge baffle 5, and the other end of the support column 9 is supported on the circumferential surface of the rotating cam 82. To reduce friction, a roller 91 is provided at the end of the support column 9 that cooperates with the rotating cam 82, and the roller 91 rotates in cooperation with the rotating cam 82. When the tea leaves falling into the discharge area 6 are arranged in a row, the rotating cam 82 rotates, driving the support column 9 and its discharge baffle 5 to move upwards, making the bottom of the discharge baffle 5 higher than the height of the tea leaves in the discharge area 6. Simultaneously, the rotary conveyor belt 2 is started. The rotary conveyor belt 2 moves, carrying the tea leaves out of the discharge area 6 and then stops. After the rotary conveyor belt 2 stops, the rotating cam 82 drives the discharge baffle 5 back to its initial position (lowest point) to arrange the next row of tea leaves.

[0027] To facilitate adjustment of the tension of the rotary conveyor belt 2, rotary conveyor rollers 201 are provided at both ends of the rotary conveyor belt 2. A first mounting plate 11 for supporting the rotary conveyor rollers 201 is provided on the frame 1. The first mounting plate 11 is provided with transverse waist-shaped adjustment holes 12 for adjusting the front and rear positions of the rotary conveyor rollers 201 in the horizontal direction. Bearing seats 202 are provided at both ends of the rotary conveyor rollers 201. The bearing seats 202 are fixedly installed on the transverse waist-shaped adjustment holes 12 by bolts.

[0028] To facilitate the adjustment of the height of the rotary conveyor belt 2, the first mounting plate 11 is also provided with a vertical waist-shaped adjustment hole 13. The first mounting plate 11 is fixedly installed on the frame 1 by bolts and the vertical waist-shaped adjustment hole 13 for adjusting the height of the rotary conveyor belt 2.

[0029] Similarly, to facilitate the adjustment of the tension of the throwing conveyor belt 4, throwing conveyor shafts 41 are provided at both ends of the throwing conveyor belt 4. The frame 1 is provided with an adjusting bolt 14 for adjusting the position of one of the throwing conveyor shafts 41. The end of the adjusting bolt 14 is fixedly connected to the throwing conveyor shaft 41. The frame 1 is provided with a threaded hole that cooperates with the adjusting bolt 14. Rotating the adjusting bolt 14 can drive the throwing conveyor shaft 41 to move back and forth.

[0030] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. An automatic tea sorting machine, comprising a frame (1), characterized in that: The frame (1) is provided with a rotary conveyor belt (2) that moves forward intermittently. A feeding device (3) is provided above the rotary conveyor belt (2). The feeding device (3) has a set of tea inlet holes (31) arranged side by side along the width direction of the rotary conveyor belt (2). The front end of the tea inlet holes (31) is connected to a throwing conveyor belt (4) that drives the tea leaves to fly forward quickly. A dropping baffle (5) is provided in front of the throwing conveyor belt (4). A dropping area (6) is provided between the dropping baffle (5) and the throwing conveyor belt (4). The length of the dropping area (6) is greater than the length of the tea leaves. A set of devices for limiting the left and right swing of the tea leaves is also provided between the dropping baffle (5) and the feeding device (3). A limiting baffle (7) is provided on each side of each tea inlet hole (31). The gap between the limiting baffle (7) and the throwing conveyor belt (4) is less than the thickness of the tea leaves. The limiting baffle (7) extends downward in the dropping area (6) to the top of the rotary conveyor belt (2) or the tea leaf placement device on the rotary conveyor belt (2). When all the tea inlets (31) on the feeding device (3) have finished feeding and the tea leaves are sent to the rotary conveyor belt (2) below the dropping area (6) or the tea leaf placement device (30) on the rotary conveyor belt (2) through the throwing conveyor belt (4), the rotary conveyor belt (2) moves forward a certain distance and stops, ready to receive the next row of tea leaves. The material discharge baffle (5) is also connected to a baffle drive device (8) that drives the material discharge baffle (5) to move up and down; when the rotary conveyor belt (2) starts, the baffle drive device (8) drives the material discharge baffle (5) to move upward; when the rotary conveyor belt (2) stops, the baffle drive device (8) drives the material discharge baffle (5) back to the initial position and the baffle drive device (8) stops working. The baffle drive device (8) includes a rotating shaft (81) and rotating cams (82) fixedly installed at both ends of the rotating shaft (81). Support columns (9) are provided at both ends of the discharge baffle (5), and the other end of the support column (9) is supported on the circumferential surface of the rotating cam (82).

2. The automatic tea sorting machine as described in claim 1, characterized in that: The linear speed of the throwing conveyor belt (4) is not less than 200 mm / s.

3. The automatic tea sorting machine as described in claim 1, characterized in that: The rear end of the feeding device (3) is provided with a feeding platform (10) for stacking unsorted tea leaves. The tea inlet hole (31) on the feeding device (3) is adapted to the height of the feeding platform (10) so that the operator can push the tea leaves directly from the feeding platform (10) into the tea inlet hole (31).

4. The automatic tea sorting machine as described in claim 3, characterized in that: Between the feeding device (3) and the throwing conveyor belt (4), there is also a feeding roller group (20) for carrying the tea leaves out of the outlet end of the tea inlet (31) at a certain speed and feeding them into the throwing conveyor belt (4); the feeding roller group (20) includes an upper feeding roller (21) and a lower feeding roller (22) that cooperate with each other to drive the tea leaves forward.

5. The automatic tea sorting machine as described in claim 4, characterized in that: The feeding roller group (20) not only drives the tea leaves forward, but also applies a certain pressure to flatten and shape the tea leaves.

6. The automatic tea sorting machine as described in claim 1, characterized in that: Rotary conveyor belt (2) is provided with rotary conveyor rollers (201) at both ends. The frame (1) is provided with a first mounting plate (11) for supporting the rotary conveyor rollers (201). The first mounting plate (11) is provided with a transverse waist-shaped adjustment hole (12) for adjusting the front and rear position of the rotary conveyor rollers (201) in the horizontal direction. Bearing seats (202) are provided at both ends of the rotary conveyor rollers (201). The bearing seats (202) are fixedly installed on the transverse waist-shaped adjustment hole (12) by bolts.

7. The automatic tea sorting machine as described in claim 6, characterized in that: The first mounting plate (11) is also provided with a vertical waist-shaped adjustment hole (13). The first mounting plate (11) is fixedly installed on the frame (1) by bolts and the vertical waist-shaped adjustment hole (13) for adjusting the height of the rotary conveyor belt (2).

8. The automatic tea sorting machine as described in claim 1, characterized in that: The two ends of the throwing conveyor belt (4) are provided with throwing conveyor shafts (41), and the frame (1) is provided with adjusting bolts (14) for adjusting the position of one of the throwing conveyor shafts (41).

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