Automatic tea screening and grading equipment

Abstract

The utility model relates to automatic tea screening and grading equipment applied to the field of tea processing, which comprises a supporting table, two damping rods, a fixing box, two supporting strips, another two damping rods and a fan are fixedly connected to the upper end of the supporting table in sequence from left to right, a discharge chute is fixedly connected to the upper ends of the two supporting strips, and the discharge chute is fixedly connected to the lower end of the fixing box. A supporting frame is fixedly connected to the upper end of the discharging groove, a screening disc is fixedly connected to the upper end of the supporting frame, and a screening net is fixedly embedded in the inner bottom wall of the screening disc. The tea leaves and dust and chippings adhering to the tea leaves are blown to the dust discharging net, so that secondary screening is carried out on the dust and chippings and the tea leaves, dust removal is directly carried out on the screened tea leaves, the tea leaf screening effect is effectively improved, and the influence of the dust and chippings on the tea leaf quality is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of tea leaf screening grading equipment, in particular to a kind of automatic tea leaf screening grading equipment applied to tea leaf processing field. BACKGROUND

[0002] With the continuous improvement of people's living standards, tea is more favored by people due to its natural, healthy, convenient to drink and other characteristics, and the quality requirement is also higher and higher, and in the production process of tea, due to the different size and shape of the collected tea, the product grade is also different, so before production, the tea screening process is required.

[0003] Chinese patent CN219664374U specification discloses a kind of tea leaf grading screening device, the utility model discloses a kind of tea leaf grading screening device can be self to tea and be screened, reduce the work intensity of staff, improve work efficiency, and can be screened multiple times, improve the practicability of device.

[0004] But the above-mentioned tea screening device is through the tea and is shaken, makes tea and is screened through multiple layers of screen, but in the process of tea screening, tea will inevitably collide with screen, so as to produce some fine tea leaves, in addition, dust adhered to the surface of tea in tea picking process, all can pass through screen into the chute inside, so as to cause the dust and debris in the inside of tea after grading, not only inconvenient to clean, but also easy to cause impact on the quality of tea. UTILITY MODEL CONTENT

[0005] For the above prior art, the technical problem to be solved by the utility model is that dust in tea picking process and tea fragments generated in screening process will all pass through screen into chute, and mix with tea after screening, not only inconvenient to clean, but also easy to cause impact on the quality of tea.

[0006] In order to solve the above problems, the utility model provides a kind of automatic tea screening grading equipment, including support platform, the upper end of support platform is sequentially fixedly connected with two damping bars, fixed box, two support strips, another two damping bars and fan from left to right, the upper end of two support strips is fixedly connected with unloading groove, the upper end of unloading groove is fixedly connected with support frame, the upper end of support frame is fixedly connected with screening disc, the inner bottom wall of screening disc is fixedly embedded with screening net, the lower end of screening disc is fixedly connected with vibration motor, the lower end of screening disc is fixedly connected with the upper end of damping bar, the outer surface of damping bar is equipped with compression spring, the left inner wall of unloading groove is fixedly embedded with dust removal net, the left inner wall of unloading groove is fixedly connected with inclined plate, the air outlet of fan is fixedly connected with air outlet pipe, one end of air outlet pipe away from fan is fixedly penetrated unloading groove and fixedly connected with blowing pipe, the end of blowing pipe towards dust removal net is fixedly connected with multiple gas collection hoods, and fixed box is equipped with dust collection box.

[0007] In the above-mentioned automatic tea screening grading equipment, after the tea enters the inside of the unloading groove by vibration, in the process of tea falling, the inside of the unloading groove is exhausted by the fan, and the tea and the dust and debris adhered to the tea are blown to the dust removal net, so as to perform secondary screening on the dust and debris and the tea, and directly perform dust removal on the screened tea, thereby effectively improving the tea screening effect and effectively avoiding the influence of dust and debris on the quality of tea.

[0008] As a further improvement of the present application, the screening disc as a whole is inclined towards the lower right, and the unloading groove is inclined towards the lower front.

[0009] As a further improvement of the present application, the support frame is made of elastic material, and the support frame as a whole is in U shape.

[0010] As a further improvement of the present application, the mesh size of the screening net is larger than that of the dust removal net, and the inclined plate is located below the dust removal net.

[0011] As another improvement of the present application, the fan and the vibration motor are both signal connected with external controller.

[0012] As a further improvement of the present application, the front end of the unloading groove and the right end of the screening disc are both fixedly connected with flow guide frame, and the flow guide frame includes straight plate inclined towards the lower and two arc-shaped plates fixedly connected on the upper end of the straight plate.

[0013] In practical application, the tea leaves are placed in the screening disc, the vibration motor is started to drive the screening disc to vibrate, the supporting frame, the damping rod and the compression spring can buffer and support the screening disc when the screening disc shakes, the tea leaves fall into the discharging chute through the screening net, in the falling process, the fan is started to introduce air, the dust and debris and the lighter tea leaves are blown to the dust exhaust net through the air blowing pipe and the air collecting hood, the dust exhaust net blocks the tea leaves, the dust and debris pass through the dust exhaust net and enter the dust collecting box, the tea leaves blocked by the dust exhaust net fall into the surface of the inclined plate and slide on the inner wall of the discharging chute, and finally are discharged from the screening equipment through the inclined discharging chute, so that the dust and debris and the tea leaves are secondarily screened, and the screened tea leaves are directly dedusted, so that the screening effect of the tea leaves is effectively improved, and the influence of the dust and debris on the quality of the tea leaves is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the first embodiment of the application;

[0015] Figure 2 It is a left view of the three-dimensional structure of the first embodiment of the application;

[0016] Figure 3 It is a discharging chute structure schematic view of the first embodiment of the application;

[0017] Figure 4 It is a dust collecting box structure schematic view of the first embodiment of the application;

[0018] Figure 5 It is a screening disc structure schematic view of the first embodiment of the application;

[0019] Figure 6 It is a three-dimensional structure schematic view of the second embodiment of the application.

[0020] Explanation of reference numerals in the drawing:

[0021] 1 support table, 2 damping rod, 3 fixed box, 4 fan, 5 discharging chute, 6 supporting frame, 7 screening disc, 8 screening net, 9 compression spring, 10 dust exhaust net, 11 inclined plate, 12 air blowing pipe, 13 air collecting hood, 14 dust collecting box, 15 vibration motor, 16 flow guide frame. DETAILED DESCRIPTION

[0022] The two embodiments of the application will be described in detail below with reference to the drawings.

[0023] First embodiment:

[0024] Figure 1 and Figure 2The utility model discloses an automatic tea screening grading equipment, including support table 1, the upper end of support table 1 is fixedly connected with two damping bars 2, fixed box 3, two support strips, another two damping bars 2 and fan 4 from left to right in proper order, and the person skilled in the art can select suitable model fan 4 according to actual needs, for example: YX9-35, the upper end of two support strips is fixedly connected with the discharge chute 5 in common, and the screening disc 7 is inclined to the lower right as a whole, and the larger tea is discharged to the lower right through the screening disc 7, the discharge chute 5 is inclined to the lower front, and the tea after screening is discharged to the lower front through the discharge chute 5, which facilitates the screening and storage of tea, the mesh size of the screening net 8 is greater than the mesh size of the dust removal net 10, so that the tea passing through the screening net 8 cannot pass through the dust removal net 10, thereby facilitating the dust removal of dust and debris on the tea, the inclined plate 11 is located below the dust removal net 10, and the fan 4 and the vibration motor 15 are connected with the external controller signal, and the person skilled in the art can select a suitable model controller according to actual needs, for example: OHR-B300A-A.

[0025] Figure 2 、 Figure 3 and Figure 4 The upper end of the discharge chute 5 is fixedly connected with the support frame 6, the support frame 6 is made of elastic material, and the support frame 6 is in the shape of U as a whole, the support frame 6 has elasticity and supports the screening disc 7 while facilitating the vibration of the screening disc 7, the upper end of the support frame 6 is fixedly connected with the screening disc 7, the left inner wall of the discharge chute 5 is fixedly embedded with the dust removal net 10, the dust removal net 10 can perform secondary screening on dust and debris and tea, the left inner wall of the discharge chute 5 is fixedly connected with the inclined plate 11, the tea blocked by the dust removal net 10 falls on the surface of the inclined plate 11 and then slides to the inner bottom wall of the discharge chute 5, effectively avoiding the accumulation of tea below the dust removal net 10, the air outlet of the fan 4 is fixedly connected with the air outlet pipe, one end of the air outlet pipe away from the fan 4 is fixedly penetrated through the discharge chute 5 and fixedly connected with the blowing pipe 12, the end of the blowing pipe 12 towards the dust removal net 10 is fixedly connected with a plurality of gas collecting hoods 13, the gas collecting hoods 13 are towards the dust removal net 10, thereby blowing dust and debris towards the dust removal net 10, the fixed box 3 is provided with the dust collecting box 14, after the dust and debris pass through the dust removal net 10, they enter the dust collecting box 14 for collection, facilitating the collection and cleaning thereof in the later period.

[0026] Figure 2 and Figure 5The inner bottom wall of the screening disc 7 is fixedly embedded with a screening mesh 8, and the lower end of the screening disc 7 is fixedly connected with a vibrating motor 15, and those skilled in the art can select a suitable vibrating motor 15 according to actual needs, for example, Yzo-20-6, the vibrating motor 15 can drive the screening disc 7 to vibrate, thereby screening tea, and the lower end of the screening disc 7 is fixedly connected with the upper end of the damping rod 2, the outer surface of the damping rod 2 is sleeved with a compression spring 9, and the plurality of damping rods 2 and compression springs 9 can support the screening disc 7 and buffer the screening disc 7 when it vibrates, thereby improving the stability of the screening disc 7 during operation.

[0027] In use, the tea is placed in the screening disc 7, the vibrating motor 15 is started to drive the screening disc 7 to vibrate, the support frame 6, the damping rod 2 and the compression spring 9 can buffer and support the screening disc 7 when it vibrates, the tea passes through the screening mesh 8 and falls into the discharge chute 5, in the process of falling, the fan 4 is started to introduce wind, the dust and debris and the lighter tea are blown to the dust removal net 10 through the blowing pipe 12 and the air collecting hood 13, the dust removal net 10 blocks the tea, and the dust and debris pass through the dust removal net 10 and enter the dust collecting box 14, the tea blocked by the dust removal net 10 falls onto the inner wall of the discharge chute 5 on the surface of the inclined plate 11, and finally is discharged from the screening device through the inclined discharge chute 5, thereby performing secondary screening on the dust and debris and the tea, directly removing dust from the screened tea, thereby effectively improving the screening effect of the tea and effectively avoiding the influence of the dust and debris on the quality of the tea.

[0028] The second embodiment is as follows:

[0029] The second embodiment is as follows:

[0030] Figure 6 The front end of the discharge chute 5 and the right end of the screening disc 7 are fixedly connected with a flow guide frame 16, and the flow guide frame 16 comprises a straight plate inclined downward and two arc-shaped plates fixedly connected to the upper end of the straight plate.

[0031] In use, the tea after screening can be conveniently discharged through the flow guide frame 16, the larger tea is discharged to the right lower side through the screening disc 7, and the smaller tea is discharged to the front lower side through the discharge chute 5, thereby improving the screening effect.

[0032] The above embodiments of the present application are not limited to the actual needs, and various changes made by those skilled in the art within the scope of their knowledge without departing from the concept of the present application still fall within the protection scope of the present application.

Claims

1. An automated tea leaf screening and grading apparatus comprising a support table (1), characterised in that: The upper end of the support table (1) is sequentially fixedly connected with two damping rods (2), a fixed box (3), two support strips, another two damping rods (2) and a fan (4) from left to right, the upper ends of the two support strips are commonly fixedly connected with a discharging chute (5), the upper end of the discharging chute (5) is fixedly connected with a support frame (6), the upper end of the support frame (6) is fixedly connected with a screening disc (7), the inner bottom wall of the screening disc (7) is fixedly embedded with a screening net (8), the lower end of the screening disc (7) is fixedly connected with a vibration motor (15), the lower end of the screening disc (7) is fixedly connected with the upper end of the damping rod (2), the outer surface of the damping rod (2) is sleeved with a compression spring (9); The left inner wall of the discharging chute (5) is fixedly embedded with a dust removal net (10), the left inner wall of the discharging chute (5) is fixedly connected with an inclined plate (11), the air outlet of the fan (4) is fixedly connected with an air outlet pipe, one end of the air outlet pipe away from the fan (4) is fixedly penetrated through the discharging chute (5) and is fixedly connected with a blowing pipe (12), the end of the blowing pipe (12) towards the dust removal net (10) is fixedly connected with a plurality of gas collecting covers (13), the fixed box (3) is provided with a dust collecting box (14), and the fan (4) and the vibration motor (15) are signal connected with an external controller.

2. The automated tea grading and sorting device according to claim 1, wherein: The screening disc (7) is inclined towards the lower right as a whole, and the discharging chute (5) is inclined towards the lower front.

3. The automated tea grading and sorting device according to claim 1, wherein: The support frame (6) is made of elastic material and is in a U shape as a whole.

4. The automated tea grading and sorting device according to claim 1, wherein: The mesh aperture of the screening net (8) is larger than that of the dust removal net (10), and the inclined plate (11) is located below the dust removal net (10).

5. The automated tea grading and sorting device according to claim 1, wherein: The front end of the discharging chute (5) and the right end of the screening disc (7) are fixedly connected with a flow guide frame (16), and the flow guide frame (16) comprises a straight plate inclined towards the lower and two arc-shaped plates fixedly connected to the upper end of the straight plate.

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