Discharging and screening device for tea processing

Abstract

The utility model provides a blanking screening device for tea leaf processing, belongs to the technical field of tea leaf processing equipment, and aims to solve the problem that dust on the surfaces of tea leaves is vibrated out after the tea leaves fall onto a screen in the prior art, so that more raised dust is generated around the whole screening machine. Comprising a screening machine body, a feeding hopper, a cleaning fan, a screening net, a screening driving motor, a collecting and distributing mechanism and a screening and cleaning mechanism. The feeding hopper is welded to the upper portion of the screening machine body. The cleaning fan is fixedly connected to the left side of the screening machine main body; three groups of screening nets are arranged, and the three groups of screening nets are rotationally connected to the interior of the screening machine main body; the screening driving motor is fixedly connected to the rear end of the screening machine main body; the material distributing roller is rotationally connected to the lower end of the interior of the feeding hopper; the collecting and distributing mechanism is arranged in the screening machine main body; and the screening and cleaning mechanism is arranged on the left side of the screening machine body, dust raising around the whole screening machine is avoided, and the cleanliness of the workshop environment is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of tea processing equipment, and more specifically, particularly relates to a material screening device for tea processing. Background Art

[0002] Before processing tea leaves, it is generally necessary to screen the tea leaves, and the tea leaves are graded by screening the tea leaves. Existing tea leaves are generally screened by a screening machine during screening. During screening, the tea leaves need to be placed in a hopper, and the tea leaves fall onto a screening net through the hopper, and the screening of the tea leaves is achieved through the vibration of the screen.

[0003] The existing application number is: CN202220611966.9. The utility model relates to the technical field of tea processing, specifically a screening device for tea processing, including a main body, the main body includes side columns, a lifting and transporting mechanism, a slide, a rotating stirring mechanism, a filter and a discharge port, the rear end of the main body is fixedly connected with side columns, and the lifting and transporting mechanism is installed inside the side columns, the upper end of the main body is fixedly connected with a slide, and the upper surface of the slide is installed with a rotating stirring mechanism, and the front end of the slide is fixedly connected with a filter. The screening device for tea processing transports the unprocessed materials at the lower end to the upper end through the lifting and transporting mechanism, slides the tea leaves from top to bottom, and performs flow-type screening on them, so that the tea leaves are screened in motion, thereby improving the screening quality, and through the rotating stirring mechanism, when the tea leaves slide, the tea leaves are separated and flowed by rotation, so as to prevent too much from flowing onto the filter at one time, causing blockage and affecting subsequent screening.

[0004] Based on the above, when the tea leaves are currently screened, there will be a lot of dust on the surface of the tea leaves after they are picked. When screening, the dust on the surface of the tea leaves will be vibrated out after the tea leaves fall onto the screen, causing a lot of dust to be generated around the entire screening machine, which is easy to pollute the environment of the workshop. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a material screening device for tea processing, so as to solve the problem that when the tea leaves are screened, there will be a lot of dust on the surface of the tea leaves after picking. When screening, the dust on the surface of the tea leaves will be vibrated out after the tea leaves fall onto the screen, resulting in a lot of dust around the entire screening machine, which is easy to pollute the environment of the workshop.

[0006] The purpose and function of the tea material screening device for tea processing of the utility model are achieved by the following specific technical means:

[0007] A material screening device for tea processing, comprising a screening machine body, a feeding hopper, a cleaning fan, a screening net, a screening drive motor, a material distribution roller, a collecting and distributing mechanism and a screening and cleaning mechanism;

[0008] The feed hopper is welded on the top of the screening machine body, and the feed hopper is a funnel-shaped structure;

[0009] The cleaning fan is fixedly connected to the left side of the screening machine body, and the air outlet pipe of the cleaning fan is externally connected to the air purification device;

[0010] The screening nets are provided in three groups, and the three groups of screening nets are rotatably connected to the inside of the screening machine body;

[0011] The screening drive motor is fixedly connected to the rear end of the screening machine body;

[0012] The material distribution roller is rotatably connected to the inner lower end of the feed hopper;

[0013] The collecting and distributing mechanism is arranged inside the screening machine body;

[0014] The screening and cleaning mechanism is arranged on the left side of the screening machine body.

[0015] Furthermore, the collecting and distributing mechanism comprises: a collecting box;

[0016] The collecting box is slidably connected to the lower end of the inner part of the screening machine body, and an opening structure is arranged at the upper end of the collecting box.

[0017] Furthermore, the collecting and distributing mechanism further comprises: a distributing driving wheel and a distributing trough;

[0018] There are two groups of material distribution drive wheels, which are connected by belt transmission, one group of material distribution drive wheels is coaxially fixedly connected to the right end of the rotating shaft of the screening drive motor, and the other group of material distribution drive wheels is coaxially fixedly connected to the right end of the material distribution roller;

[0019] The material distribution troughs are provided with multiple groups, and the multiple groups of material troughs are all semi-cylindrical trough structures, and the multiple groups of material troughs are respectively opened on the outer periphery of the material distribution roller.

[0020] Further, the screening and cleaning mechanism comprises: a screening drive wheel, a screening drive disc and a screening drive rod;

[0021] The screening drive wheels are provided with two groups in total, and the two groups of screening drive wheels are connected by belt transmission, wherein the upper group of screening drive wheels is coaxially fixedly connected to the left end of the material distribution roller;

[0022] The screening drive disc is rotatably connected to the left end of the screening machine body, and the screening drive disc is coaxially fixedly connected to the right side of a group of screening drive wheels below, and a convex block structure is arranged at the centrifugal position of the right end of the screening drive disc;

[0023] The screening drive rod is rotatably connected to the left side of the screening machine body, the front end of the screening drive rod is provided with a rectangular groove structure, and the convex block structure of the screening drive disk is arranged inside the rectangular groove of the screening drive rod.

[0024] Furthermore, the screening and cleaning mechanism further comprises: a screening connecting shaft, a first transmission rod and a second transmission rod;

[0025] The screening connection shafts are provided with three groups in total, and the three groups of screening connection shafts are respectively rotatably connected to the left side of the screening machine body, and the three groups of screening connection shafts are respectively coaxially fixedly connected to the screening net, wherein the middle group of screening connection shafts is coaxially fixedly connected to the screening driving rod;

[0026] The first transmission rods are provided in three groups in total, and the three groups of first transmission rods are coaxially fixedly connected to the rear end of the screening connection shaft;

[0027] The second transmission rods are provided in two groups, and the two groups of second transmission rods are respectively hinged at the rear ends of the first transmission rods, and the second transmission rods and the first transmission rods together form a parallelogram structure.

[0028] Furthermore, the screening and cleaning mechanism also includes: a cleaning connecting piece;

[0029] The cleaning connecting piece is fixedly connected to the left side of the screening machine body, and the cleaning connecting piece is connected to the air inlet of the cleaning fan.

[0030] Compared with the prior art, the utility model has the following beneficial effects:

[0031] The utility model turns on the screening drive motor through the setting of the collecting and dividing material mechanism, and the rotating shaft of the screening drive motor rotates to drive the dividing drive wheel, the rotation of the dividing drive wheel drives the dividing roller to rotate, the rotation of the dividing roller drives the dividing trough to rotate, the dividing trough rotates to carry the tea leaves into the interior of the screening machine body, and the tea leaves intermittently fall onto the top of the screening nets, and are screened by three groups of screening nets, and the tea leaves are divided into different categories, and the tea residues screened by the bottom group of screening nets fall into the interior of the collecting box, and the collecting box realizes the collection of the tea residues, which is convenient for the subsequent treatment of the tea residues and the operation of the workers.

[0032] The utility model sets a screening and cleaning mechanism, turns on the screening drive motor, and the rotating shaft of the screening drive motor drives the screening drive disk to rotate, the rotation of the screening drive disk drives the screening drive rod to swing, the swing of the screening drive rod drives the screening connecting shaft to rotate, the rotation of the screening connecting shaft drives the screening net to swing, and the swing of the screening net throws up the tea leaves on the screening net, thereby improving the screening efficiency of the screening net for the tea leaves, allowing a larger gap between the tea leaves and the screen, and facilitating the subsequent treatment of dust contained in the tea leaves. Then, the cleaning fan is turned on, and the cleaning fan draws out the air inside the cleaning connecting piece, and the cleaning connecting piece absorbs the dust in the thrown-up tea leaves, ensuring the cleanliness of the tea leaves. At the same time, dust is avoided around the entire screening machine, ensuring the cleanliness of the workshop environment, and making the entire screening machine more environmentally friendly when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0034] Figure 2 It is a schematic diagram of the structure of the cleaning connecting piece of the utility model.

[0035] Figure 3 It is a schematic diagram of the structure of the screening drive motor of the utility model.

[0036] Figure 4 It is a schematic diagram of the structure of the collecting and distributing mechanism of the utility model.

[0037] Figure 5 It is a schematic diagram of the structure of the screening and cleaning mechanism of the utility model.

[0038] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0039] 1. Screening machine body; 2. Feed hopper; 201. Collection box; 202. Distributor driving wheel; 203. Distributor trough; 3. Cleaning fan; 301. Screening driving wheel; 302. Screening driving disk; 303. Screening driving rod; 304. Screening connecting shaft; 305. First transmission rod; 306. Second transmission rod; 307. Cleaning connecting piece; 4. Screening net; 5. Screening driving motor; 6. Distributor roller. DETAILED DESCRIPTION

[0040] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0041] Embodiment 1:

[0042] As attached Figure 1 To Attachment Figure 4 As shown:

[0043] The utility model provides a material screening device for tea processing, comprising a screening machine body 1, a feeding hopper 2, a cleaning fan 3, a screening net 4, a screening drive motor 5, a material distribution roller 6 and a collecting and distributing mechanism;

[0044] The feed hopper 2 is welded on the top of the screening machine body 1, and the feed hopper 2 is a funnel-shaped structure;

[0045] The cleaning fan 3 is fixedly connected to the left side of the screening machine body 1, and the air outlet pipe of the cleaning fan 3 is externally connected to an air purification device;

[0046] There are three groups of screening nets 4, and the three groups of screening nets 4 are rotatably connected to the inside of the screening machine body 1;

[0047] The screening drive motor 5 is fixedly connected to the rear end of the screening machine body 1;

[0048] The material distribution roller 6 is rotatably connected to the inner lower end of the feed hopper 2;

[0049] The collecting and sorting mechanism is arranged inside the screening machine body 1 .

[0050] The collecting and distributing mechanism includes: a collecting box 201, a distributing driving wheel 202 and a distributing trough 203;

[0051] The collecting box 201 is slidably connected to the lower end of the inner part of the screening machine body 1, and the upper end of the collecting box 201 is provided with an opening structure;

[0052] There are two groups of material distribution drive wheels 202, which are connected by belt transmission, one group of material distribution drive wheels 202 is coaxially fixedly connected to the right end of the rotating shaft of the screening drive motor 5, and the other group of material distribution drive wheels 202 is coaxially fixedly connected to the right end of the material distribution roller 6;

[0053] There are multiple groups of material distribution troughs 203 , all of which are semi-cylindrical trough structures. The multiple groups of material distribution troughs 203 are respectively opened on the outer periphery of the material distribution roller 6 .

[0054] During use, when the tea leaves need to be sorted, the tea leaves are placed in the feed hopper 2, and then the screening drive motor 5 is turned on. The rotating shaft of the screening drive motor 5 drives the sorting drive wheel 202 to rotate, and the sorting drive wheel 202 rotates to drive the sorting roller 6 to rotate, and the sorting roller 6 rotates to drive the sorting trough 203 to rotate. The sorting trough 203 rotates to carry the tea leaves into the interior of the screening machine body 1, and the tea leaves intermittently fall onto the top of the screening net 4. After being screened by three groups of screening nets 4, the tea leaves are divided into different categories. The tea residues screened by the bottom group of screening nets 4 fall into the interior of the collecting box 201. The collecting box 201 realizes the collection of tea residues, which is convenient for the subsequent processing of the tea residues.

[0055] Embodiment 2:

[0056] The utility model provides a material screening device for tea processing, based on the first embodiment, as Figures 1 to 5 As shown, it also includes a screening cleaning mechanism, which is arranged on the left side of the screening machine body 1.

[0057] The screening and cleaning mechanism includes: a screening driving wheel 301, a screening driving disk 302, a screening driving rod 303, a screening connecting shaft 304, a first transmission rod 305, a second transmission rod 306 and a cleaning connecting piece 307;

[0058] There are two sets of screening drive wheels 301, which are connected by belt transmission, and the upper set of screening drive wheels 301 is coaxially fixedly connected to the left end of the material distribution roller 6;

[0059] The screening drive disc 302 is rotatably connected to the left end of the screening machine body 1, and the screening drive disc 302 is coaxially fixedly connected to the right side of a group of screening drive wheels 301 below, and a convex block structure is provided at the centrifugal position of the right end of the screening drive disc 302;

[0060] The screening drive rod 303 is rotatably connected to the left side of the screening machine body 1, and a rectangular groove structure is arranged at the front end of the screening drive rod 303, and the convex block structure of the screening drive disk 302 is arranged inside the rectangular groove of the screening drive rod 303;

[0061] There are three groups of screening connection shafts 304, which are respectively rotatably connected to the left side of the screening machine body 1, and are respectively coaxially fixedly connected to the screening net 4, wherein the middle group of screening connection shafts 304 is coaxially fixedly connected to the screening drive rod 303;

[0062] There are three groups of first transmission rods 305, and the three groups of first transmission rods 305 are coaxially fixedly connected to the rear end of the screening connection shaft 304;

[0063] There are two groups of second transmission rods 306, which are respectively hinged at the rear ends of the first transmission rods 305. The second transmission rods 306 and the first transmission rods 305 together form a parallelogram structure.

[0064] The cleaning connecting piece 307 is fixedly connected to the left side of the screening machine body 1 , and the cleaning connecting piece 307 is connected to the air inlet of the cleaning fan 3 .

[0065] The screen driving motor 5 is turned on when the tea leaves are screened. The rotating shaft of the screen driving motor 5 drives the material distribution driving wheel 202 to rotate. The material distribution driving wheel 202 drives the material distribution roller 6 to rotate. The material distribution roller 6 drives the screening driving wheel 301 to rotate. The screening driving wheel 301 drives the screening driving disk 302 to rotate. The screening driving disk 302 drives the screening driving rod 303 to swing. The screening driving rod 303 swings to drive the screening connecting shaft 304 to rotate. The screening connecting shaft 304 drives the screening net 4 to swing. The screening net 4 swings to throw up the tea leaves on the screening net 4, thereby improving the screening efficiency of the screening net 4 for the tea leaves. Through the joint action of the first transmission rod 305 and the second transmission rod 306, the three groups of screening nets 4 are moved simultaneously. At the same time, the cleaning fan 3 is turned on. The cleaning fan 3 extracts the air inside the cleaning connecting piece 307. The cleaning connecting piece 307 absorbs the dust in the thrown tea leaves, thereby ensuring the cleanliness of the tea leaves.

Claims

1. A material screening device for tea processing, comprising a screening machine body (1), a feed hopper (2), a cleaning fan (3), a screening net (4), a screening drive motor (5), a material distribution roller (6), a collecting and distributing mechanism and a screening and cleaning mechanism; characterized in that: The feed hopper (2) is welded on the top of the screening machine body (1), and the feed hopper (2) is a funnel-shaped structure; the cleaning fan (3) is fixedly connected to the left side of the screening machine body (1), and the air outlet pipe of the cleaning fan (3) is externally connected to an air purification device; the screening nets (4) are provided in three groups, and the three groups of screening nets (4) are all rotatably connected to the inside of the screening machine body (1); the screening drive motor (5) is fixedly connected to the rear end of the screening machine body (1); the material distribution roller (6) is rotatably connected to the lower end of the inside of the feed hopper (2); the collecting and distributing mechanism is arranged inside the screening machine body (1); and the screening cleaning mechanism is arranged on the left side of the screening machine body (1).

2. A tea material screening device for tea processing as claimed in claim 1, characterized in that: The collecting and distributing mechanism comprises: a collecting box (201); the collecting box (201) is slidably connected to the lower end of the inner part of the screening machine body (1); and an opening structure is arranged at the upper end of the collecting box (201).

3. A tea material screening device for tea processing as claimed in claim 1, characterized in that: The collecting and distributing mechanism further comprises: a distributing driving wheel (202) and a distributing trough (203); the distributing driving wheel (202) is provided in two groups, the two groups of distributing driving wheels (202) are connected via a belt drive, one group of the distributing driving wheels (202) is coaxially fixedly connected to the right end of the rotating shaft of the screening driving motor (5), and the other group of the distributing driving wheels (202) is coaxially fixedly connected to the right end of the distributing roller (6); the distributing trough (203) is provided in multiple groups, the multiple groups of the distributing troughs (203) are all semi-cylindrical trough structures, and the multiple groups of the distributing troughs (203) are respectively opened on the outer circumference of the distributing roller (6).

4. A tea material screening device for tea processing as claimed in claim 1, characterized in that: The screening cleaning mechanism comprises: a screening drive wheel (301), a screening drive disc (302) and a screening drive rod (303); the screening drive wheels (301) are provided in two groups, the two groups of screening drive wheels (301) are connected by belt transmission, wherein the upper group of screening drive wheels (301) is coaxially fixedly connected to the left end of the material distribution roller (6); the screening drive disc (302) is rotatably connected to the left end of the screening machine body (1), the screening drive disc (302) is coaxially fixedly connected to the right side of the lower group of screening drive wheels (301), and a convex block structure is arranged at the centrifugal position of the right end of the screening drive disc (302); the screening drive rod (303) is rotatably connected to the left side of the screening machine body (1), the front end of the screening drive rod (303) is provided with a rectangular groove structure, and the convex block structure of the screening drive disc (302) is arranged inside the rectangular groove of the screening drive rod (303).

5. A tea material screening device for tea processing as claimed in claim 4, characterized in that: The screening cleaning mechanism further comprises: a screening connecting shaft (304), a first transmission rod (305) and a second transmission rod (306); the screening connecting shaft (304) is provided in three groups, the three groups of screening connecting shafts (304) are respectively rotatably connected to the left side of the screening machine body (1), and the three groups of screening connecting shafts (304) are respectively coaxially fixedly connected to the screening net (4), wherein the middle group of screening connecting shafts (304) is coaxially fixedly connected to the screening driving rod (303); the first transmission rod (305) is provided in three groups, the three groups of first transmission rods (305) are all coaxially fixedly connected to the rear end of the screening connecting shaft (304); the second transmission rod (306) is provided in two groups, the two groups of second transmission rods (306) are respectively hinged to the rear end of the first transmission rod (305), and the second transmission rod (306) and the first transmission rod (305) together form a parallelogram structure.

6. A tea material screening device for tea processing as claimed in claim 1, characterized in that: The screening and cleaning mechanism further comprises: a cleaning connecting piece (307); the cleaning connecting piece (307) is fixedly connected to the left side of the screening machine body (1), and the cleaning connecting piece (307) is connected to the air inlet of the cleaning fan (3).

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