Drying and screening device for tea processing

Abstract

The utility model relates to the technical field of tea processing, and discloses a drying and screening device for tea processing, which comprises a mounting frame, a handle is fixedly connected to the left side of the mounting frame, a screening frame is fixedly mounted on the inner side of the mounting frame, and a material collecting frame is arranged at the bottom of the inner side of the mounting frame. The bottom of the material collecting frame is fixedly connected with two sliding strips, the sliding strips are slidably connected with sliding grooves formed in the bottom of the inner side of the mounting frame, a drying mechanism is arranged above the screening frame, and a screening mechanism is arranged below the screening frame. According to the drying and screening device for tea leaf processing, the drying mechanism is arranged, tea leaves are heated more uniformly, the drying effect is improved, meanwhile, the tea leaves are continuously turned over in the drying process, the efficiency of drying operation is improved, the screening mechanism is arranged, the screening efficiency is higher, the practicability of the device is improved, and meanwhile the drying mechanism is matched for simultaneous operation; and the tea processing efficiency is improved.

Description

Technical Field

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

[0002] Tea is a plant of the genus Camellia in the family Theaceae, distributed in the mountainous areas of provinces south of the Yangtze River in China. Tea is divided into six categories according to the production process, including green tea, white tea, and black tea. Tea can be used as a drink, contains a variety of beneficial ingredients, and has health benefits. Tea leaves are oblong or oval, with blunt or sharp tips, wedge-shaped bases, shiny above, glabrous below or initially pubescent, serrated edges, and glabrous petioles. The flowers are white, with broad ovate petals; sepals are broad ovate to round; the flowering period is from October to February of the following year. When tea leaves are produced and processed, drying and screening equipment is required.

[0003] According to the Chinese patent publication number CN 212943886 U, a tea screening device for tea processing is disclosed, comprising a screening box, a feeding pipe is installed at the top of the screening box, a motor 1 is installed on the outside of the feeding pipe, three groups of collecting boxes are installed through the front end of the screening box, and a slide groove is opened on one side of the screening box, an adjusting block is installed on one side of the slide groove, a connecting rod is installed inside the screening box, three groups of screening racks are installed at one end of the connecting rod, a screening groove is opened on the top of the collecting box, the screening rack comprises a transmission rod, an air outlet rack and a cleaning rack are installed on the outside of the transmission rod, the air outlet rack is located above the cleaning rack, and a motor 2 is installed on the top of the transmission rod, a connecting sleeve is installed on the top of the motor 2, an air blower is installed inside the air outlet rack, and a plurality of air outlet covers are installed at the bottom of the air outlet rack; the utility model increases the stability of feeding, tea can be stably fed in batches, and graded screening is realized.

[0004] However, when the screening device is screening tea leaves, the tea leaves will stick to the screening components of the device due to excessive humidity, affecting the efficiency of the screening work. At the same time, there is no drying mechanism to dry the tea leaves, which is inconvenient for subsequent processing of the tea leaves and affects the efficiency of tea processing. For this reason, we propose a drying and screening device for tea processing. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a drying and screening device for tea processing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying and screening device for tea processing, comprising a mounting frame, a handle fixedly connected to the left side of the mounting frame, a screening frame fixedly installed on the inner side of the mounting frame, a collection frame is arranged at the inner bottom of the mounting frame, a sliding bar is fixedly connected to the bottom of the collection frame, and the number of the sliding bars is two, the sliding bar is slidably connected to a sliding groove opened at the inner bottom of the mounting frame, a drying mechanism is arranged above the screening frame, and a screening mechanism is arranged below the screening frame.

[0007] Preferably, universal wheels are fixedly mounted on the bottom of the mounting frame. There are four universal wheels, which are evenly arranged at the four corners of the bottom of the mounting frame. The universal wheels facilitate the movement of the entire device, thereby improving the practicability of the device.

[0008] Preferably, the drying mechanism includes a forward and reverse motor, a threaded rod, a threaded sleeve, a limit rod, a connecting frame, a driving motor, a rotating rod, a fan and a heating tube. The forward and reverse motor is fixedly installed on the left side of the mounting frame, and the output end of the forward and reverse motor is fixedly connected to the threaded rod through a coupling. The two ends of the threaded rod are rotatably connected to the inner side of the mounting frame through bearings. The threaded sleeve is threadedly connected to the outer wall of the threaded rod. Both ends of the limit rod are fixedly connected to the inner side of the mounting frame and there are two limit rods. The threaded sleeve is movably connected to the limit rod. Starting the forward and reverse motor drives the threaded rod to rotate, so that the threaded sleeve moves along the direction of the limit rod.

[0009] Preferably, the connecting frame is fixedly connected to the bottom of the threaded sleeve, the driving motor is fixedly installed on the inner side of the connecting frame, the output end of the driving motor is fixedly connected to the rotating rod, the rotating rod is rotatably connected to the connecting frame through a bearing, the fan is fixedly connected to the lower end of the rotating rod, the heating tube is fixedly installed below the connecting frame and the number of the heating tubes is four, and starting the driving motor drives the rotating rod and the fan to rotate, thereby blowing air.

[0010] Preferably, the screening mechanism includes a pulley, a connecting rod, a cam, a fixed plate, a striking rod, a connecting block and a reset spring, the two ends of the connecting rod are rotatably connected to the inner side of the mounting frame through bearings and the connecting rod passes through the right side of the mounting frame, the cam is fixedly connected to the outer wall of the connecting rod and there are two cams, the two sides of the pulley are respectively fixedly installed on the threaded rod and the outer wall of the connecting rod, and the connecting rod is driven to rotate through the linkage of the pulley, and the cam is also driven to rotate at the same time.

[0011] Preferably, the fixing plate is fixedly connected between the two sides of the inner wall of the mounting frame, the striking rod is movably plugged into the fixing plate, the connecting block is fixedly connected to the lower end of the striking rod, the return spring is fixedly connected between the fixing plate and the connecting block and the return spring is sleeved on the outer wall of the striking rod, the connecting block is arranged above the cam, the striking rod, the connecting block and the return spring are all two in number and are symmetrically arranged on both sides of the fixing plate, the striking rod is driven to rise by the connecting block to strike the bottom of the screening frame.

[0012] Compared with the prior art, the utility model provides a drying and screening device for tea processing, which has the following beneficial effects:

[0013] 1. A drying and screening device for tea processing is provided with a drying mechanism. The fan blows air during movement, and the hot air around the heating tube is blown onto the tea leaves to dry the tea leaves, so that the tea leaves are heated more evenly and the drying effect is improved. At the same time, the tea leaves are constantly turned during the drying process, which improves the efficiency of the drying operation.

[0014] 2. This drying and screening device for tea processing, by setting up a screening mechanism and hitting the screening frame to screen the tea, has higher screening efficiency and improves the practicality of the device. At the same time, it cooperates with the drying mechanism to improve the efficiency of tea processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model in side section;

[0018] Figure 3 It is a structural schematic diagram of the utility model in a front view;

[0019] Figure 4 It is an enlarged view of point A of the utility model;

[0020] Figure 5 It is an enlarged view of point B of the present utility model.

[0021] In the figure: 1. mounting frame; 2. handle; 3. universal wheel; 4. screening frame; 5. collecting frame; 6. slide bar; 7. drying mechanism; 701. forward and reverse motor; 702. threaded rod; 703. threaded sleeve; 704. limit rod; 705. connecting frame; 706. driving motor; 707. rotating rod; 708. fan; 709. heating tube; 8. screening mechanism; 801. pulley; 802. connecting rod; 803. cam; 804. fixing plate; 805. striking rod; 806. connecting block; 807. reset spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example 1

[0023] like Figure 1-5 As shown, the utility model provides a drying and screening device for tea processing, including a mounting frame 1, a handle 2 is fixedly connected to the left side of the mounting frame 1, a screening frame 4 is fixedly installed on the inner side of the mounting frame 1, a collection frame 5 is arranged at the inner bottom of the mounting frame 1, a slide bar 6 is fixedly connected to the bottom of the collection frame 5, and the number of the slide bars 6 is two, the slide bar 6 is slidably connected to the slide groove opened at the inner bottom of the mounting frame 1, a drying mechanism 7 is arranged above the screening frame 4, and a screening mechanism 8 is arranged below the screening frame 4.

[0024] Universal wheels 3 are fixedly mounted on the bottom of the mounting frame 1. There are four universal wheels 3 which are evenly arranged at the four corners of the bottom of the mounting frame 1. The universal wheels 3 are arranged to facilitate the movement of the entire device, thereby improving the practicability of the device.

[0025] The drying mechanism 7 includes a forward and reverse motor 701, a threaded rod 702, a threaded sleeve 703, a limit rod 704, a connecting frame 705, a driving motor 706, a rotating rod 707, a fan 708 and a heating tube 709. The forward and reverse motor 701 is fixedly installed on the left side of the mounting frame 1. The output end of the forward and reverse motor 701 is fixedly connected to the threaded rod 702 through a coupling. The two ends of the threaded rod 702 are rotatably connected to the inner side of the mounting frame 1 through bearings. The threaded sleeve 703 is threadedly connected to the outer wall of the threaded rod 702. Both ends of the limit rod 704 are fixedly connected to the inner side of the mounting frame 1 and there are two limit rods 704. The threaded sleeve 703 is movably connected to the limit rod 704. Starting the forward and reverse motor 701 drives the threaded rod 702 to rotate, so that the threaded sleeve 703 moves along the direction of the limit rod 704.

[0026] The connecting frame 705 is fixedly connected to the bottom of the threaded sleeve 703, the driving motor 706 is fixedly installed on the inner side of the connecting frame 705, the output end of the driving motor 706 is fixedly connected to the rotating rod 707, the rotating rod 707 is rotatably connected to the connecting frame 705 through a bearing, the fan 708 is fixedly connected to the lower end of the rotating rod 707, the heating tube 709 is fixedly installed below the connecting frame 705 and the number of the heating tubes 709 is four, and the driving motor 706 is started to drive the rotating rod 707 and the fan 708 to rotate, thereby blowing air.

[0027] In this embodiment, by setting up the drying mechanism 7, the fan 708 blows air during the movement, blowing the hot air around the heating tube 709 onto the tea leaves to dry the tea leaves, so that the tea leaves are heated more evenly and the drying effect is improved. At the same time, the tea leaves are constantly turned during the drying process, which improves the efficiency of the drying operation. Example 2

[0028] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: the screening mechanism 8 includes a pulley 801, a connecting rod 802, a cam 803, a fixed plate 804, a striking rod 805, a connecting block 806 and a reset spring 807, both ends of the connecting rod 802 are rotatably connected to the inner side of the mounting frame 1 through bearings and the connecting rod 802 passes through the right side of the mounting frame 1, the cam 803 is fixedly connected to the outer wall of the connecting rod 802 and the number of cams 803 is two, and the two sides of the pulley 801 are fixedly installed with the threaded rod 702 and the outer wall of the connecting rod 802 respectively, and the connecting rod 802 is driven to rotate through the linkage of the pulley 801, and the cam 803 is driven to rotate at the same time.

[0029] The fixing plate 804 is fixedly connected between the two sides of the inner wall of the mounting frame 1, the striking rod 805 is movably plugged into the fixing plate 804, the connecting block 806 is fixedly connected to the lower end of the striking rod 805, the reset spring 807 is fixedly connected between the fixing plate 804 and the connecting block 806 and the reset spring 807 is sleeved on the outer wall of the striking rod 805, the connecting block 806 is arranged above the cam 803, the number of the striking rod 805, the connecting block 806 and the reset spring 807 are all two and are symmetrically arranged on both sides of the fixing plate 804, and the striking rod 805 is driven to rise by the connecting block 806 to strike the bottom of the screening frame 4.

[0030] In this embodiment, by setting up the screening mechanism 8 and hitting the screening frame 4 to screen the tea leaves, the screening efficiency is higher, and the practicality of the device is improved. At the same time, the drying mechanism 7 is used simultaneously to improve the efficiency of tea processing.

[0031] The working principle of the drying and screening device for tea processing will be described in detail below.

[0032] like Figure 1-5 As shown, when in use, the device is moved to the working place through the universal wheel 3, the tea leaves to be processed are placed in the screening frame 4, the forward and reverse motors 701 are started to drive the threaded rod 702 to rotate, and due to the limiting effect of the limiting rod 704, the threaded sleeve 703 moves along the direction of the limiting rod 704, and at the same time drives the connecting frame 705 below to move, the driving motor 706 is started to drive the rotating rod 707 to rotate, and drives the fan 708 to rotate, and at the same time starts the heating tube 709 for heating, so that the fan 708 blows out the hot air around the heating tube 709 to dry the tea leaves. The fan 708 can be used for blowing and drying during the movement, and the drying efficiency is higher. Due to the linkage effect of the pulley 801, the threaded rod 702 rotates and drives the connecting rod 802 to rotate, and drives the cam 803 to rotate. The cam 803 pushes the striking rod 805 and the connecting block 806 to move upward, and the reset spring 807 is compressed. The striking rod 805 strikes the bottom of the screening frame 4, causing the screening frame 4 to vibrate, thereby screening the tea leaves. Then the striking rod 805 and the connecting block 806 move downward, the reset spring 807 is reset, and this process is repeated.

Claims

1. A drying and screening device for tea processing, comprising a mounting frame (1), characterized in that: A handle (2) is fixedly connected to the left side of the mounting frame (1); a screening frame (4) is fixedly installed on the inner side of the mounting frame (1); a material collecting frame (5) is arranged at the inner bottom of the mounting frame (1); a sliding bar (6) is fixedly connected to the bottom of the material collecting frame (5); the sliding bar (6) is slidably connected to a sliding groove provided at the inner bottom of the mounting frame (1); a drying mechanism (7) is arranged above the screening frame (4); a screening mechanism (8) is arranged below the screening frame (4); the drying mechanism (7) comprises a forward and reverse motor (701), a threaded rod (702), a threaded sleeve (703), a limiting rod (704), a connecting frame (705), a driving motor (706), a rotating rod (707), a fan (708) and a heating tube (709); the forward and reverse motor (701) is fixedly installed on the left side of the mounting frame (1); the output end of the forward and reverse motor (701) is connected to the outer side of the mounting frame (1) through a coupling. The threaded rod (702) is fixedly connected, and both ends of the threaded rod (702) are rotatably connected to the inner side of the mounting frame (1) through bearings. The threaded sleeve (703) is threadedly connected to the outer wall of the threaded rod (702). Both ends of the limit rod (704) are fixedly connected to the inner side of the mounting frame (1), and the number of the limit rods (704) is two. The threaded sleeve (703) is movably sleeved with the limit rod (704), and the connecting frame (705) is fixedly connected to the threaded sleeve. (703), the driving motor (706) is fixedly mounted on the inner side of the connecting frame (705), the output end of the driving motor (706) is fixedly connected to the rotating rod (707), the rotating rod (707) is rotatably connected to the connecting frame (705) via a bearing, the fan (708) is fixedly connected to the lower end of the rotating rod (707), the heating tube (709) is fixedly mounted below the connecting frame (705), and the number of the heating tubes (709) is four.

2. A drying and screening device for tea processing according to claim 1, characterized in that: Universal wheels (3) are fixedly mounted on the bottom of the mounting frame (1); the number of the universal wheels (3) is four and they are evenly arranged at the four corners of the bottom of the mounting frame (1).

3. A drying and screening device for tea processing according to claim 1, characterized in that: The screening mechanism (8) comprises a pulley (801), a connecting rod (802), a cam (803), a fixing plate (804), a striking rod (805), a connecting block (806) and a return spring (807); both ends of the connecting rod (802) are rotatably connected to the inner side of the mounting frame (1) via bearings and the connecting rod (802) passes through the right side of the mounting frame (1); the cam (803) is fixedly connected to the outer wall of the connecting rod (802) and there are two cams (803); and both sides of the pulley (801) are fixedly mounted to the threaded rod (702) and the outer wall of the connecting rod (802) respectively.

4. A drying and screening device for tea processing according to claim 3, characterized in that: The fixing plate (804) is fixedly connected between two sides of the inner wall of the mounting frame (1); the striking rod (805) is movably plugged into the fixing plate (804); the connecting block (806) is fixedly connected to the lower end of the striking rod (805); the return spring (807) is fixedly connected between the fixing plate (804) and the connecting block (806) and the return spring (807) is sleeved on the outer wall of the striking rod (805); the connecting block (806) is arranged above the cam (803); and the striking rod (805), the connecting block (806) and the return spring (807) are all in two numbers and are symmetrically arranged on two sides of the fixing plate (804).

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