Classifying screen for tea processing

Abstract

The utility model relates to a grading screen for tea processing. The grading screen comprises a bottom plate; one end of the supporting frame is fixedly installed on the bottom plate, a protective shell is fixedly installed on the inner side of the supporting frame, a circular tea leaf collecting box is fixedly installed on the upper surface of the bottom plate, and a collecting groove is formed in the upper surface of the circular tea leaf collecting box; and the screening assembly is arranged on one side of the protective shell, and the screening assembly comprises a conveying pipe, a hopper-shaped arc-shaped plate, a first filtering hole, a second filtering hole, an extension spring and a telescopic rod. A spiral blade is driven by a conveying shaft to rotate, tea leaves are discharged from the top of a tea leaf conveying pipe and enter a hopper-shaped arc-shaped plate, the tea leaves are filtered, small-particle impurities can enter a first round collecting barrel along first filtering holes, and large-particle impurities can enter a second round collecting barrel along second filtering holes; and the screened tea leaves can enter a collecting groove formed in the upper surface of the circular tea leaf collecting box, classified screening of the tea leaves can be achieved, time and labor are saved, and the working efficiency can also be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tea leaf screening technical field especially is a kind of grading screen for tea processing. BACKGROUND

[0002] At present, tea is an indispensable part in our life, and the production process of tea is relatively complex. Tea processing, also known as "tea making", is the process of producing various semi-finished tea or finished tea from fresh tea leaves through various processing procedures. According to the processing procedure, it can be divided into primary processing (primary processing), fine processing (fine processing), reprocessing and deep processing. Different processing techniques form different tea categories, and the quality of each tea category depends on the coordination of processing procedures. High-quality fresh leaf materials can only produce high-quality tea under good processing conditions. However, tea needs to be screened during production because there are impurities in manually picked tea leaves and some old tea leaves need to be screened.

[0003] The existing tea grading and screening is mostly manual selection, and it is difficult to effectively remove large and small particle impurities, resulting in low grading efficiency and unsatisfactory screening effect. UTILITY MODEL CONTENT

[0004] In view of the problems in the existing patent, the existing tea grading and screening is mostly manual selection, and it is difficult to effectively remove large and small particle impurities, resulting in low grading efficiency and unsatisfactory screening effect. The utility model provides a kind of grading screen for tea processing.

[0005] The utility model adopts the technical scheme of: a kind of grading screen for tea processing, comprising:

[0006] a bottom plate;

[0007] a support frame, one end of the support frame is fixedly installed on the bottom plate, a protective shell is fixedly installed on the inner side of the support frame, a circular tea collecting box is fixedly installed on the upper surface of the bottom plate, and a collecting groove is formed on the upper surface of the circular tea collecting box;

[0008] a screening assembly, the screening assembly is arranged on one side of the protective shell, and the screening assembly comprises a conveying pipe, a hopper-shaped arc plate, a first filter hole, a second filter hole, a tension spring and a telescopic rod. The conveying pipe is fixedly installed on one side of the protective shell. The hopper-shaped arc plate is slidably connected to the conveying pipe. The telescopic rod is fixedly installed at both ends of the conveying pipe and the hopper-shaped arc plate. The tension spring is sleeved on the telescopic rod. The hopper-shaped arc plate is provided with the first filter hole and the second filter hole on the outer side respectively.

[0009] The collecting assembly is arranged on one side of the arc-shaped plate, and is used for classifying and collecting impurities in the tea.

[0010] Preferably, the collecting assembly comprises a first collecting cylinder, a second collecting cylinder, a clamping groove, a clamping plate, a reset spring and a connecting block, the first collecting cylinder is fixedly installed on the second collecting cylinder, and the first collecting cylinder and the second collecting cylinder are both slidingly connected to the conveying pipe.

[0011] Preferably, a clamping groove is formed on the outer side of the protective shell, the connecting block is fixedly installed on the outer side of the second collecting cylinder, one end of the clamping plate is fixedly installed on the connecting block, and the two ends of the reset spring are fixedly installed on the connecting block and the clamping plate respectively.

[0012] Preferably, the conveying assembly is arranged on one side of the protective shell, the conveying assembly comprises a spiral blade, a conveying shaft, a feeding port and a driving motor, and one end of the conveying shaft is rotatably connected to the conveying pipe.

[0013] Preferably, the spiral blade is fixedly installed on the outer side of the conveying shaft, the feeding port is fixedly installed on the conveying pipe, the driving motor is fixedly installed on the protective shell, and the output end of the driving motor is fixedly installed on the conveying shaft through the protective shell and the conveying pipe.

[0014] Preferably, a limiting frame is fixedly installed on the outer side of the second collecting cylinder.

[0015] Compared with the prior art, the utility model discloses can make the small particle impurities enter the first collecting cylinder along the filter hole one, and the large particle impurities can enter the second collecting cylinder along the filter hole two, and the screened tea can enter the collecting groove formed on the upper surface of the circular tea collecting box, so that the classification screening of the tea can be realized, time and energy are saved, and the work efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the screening assembly structure schematic diagram of the utility model;

[0018] Figure 3 It is Figure 2 The enlarged structure schematic diagram of A place in middle;

[0019] Figure 4 It is the collecting assembly structure schematic diagram of the utility model;

[0020] Marked in the figure: 1, the bottom plate; 2, support frame; 3, protective shell; 4, round tea collection box; 5, screening assembly; 51, conveying pipe; 52, bucket-shaped arc plate; 53, filter hole one; 54, filter hole two; 55, tension spring; 56, telescopic rod; 6, collection assembly; 61, round collection cylinder one; 62, round collection cylinder two; 63, clamping groove; 64, clamping plate; 65, return spring; 66, connecting block; 7, conveying assembly; 71, spiral blade; 72, conveying shaft; 73, feed inlet; 74, driving motor; 8, limiting frame. DETAILED DESCRIPTION

[0021] In the description of the present application, it should be explained that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship described based on the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.

[0022] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] The following will be described in conjunction with the accompanying Figures 1-4 Further illustrate the present application.

[0024] In order to solve the problems in the background art, the present application proposes the following technical scheme: a grading screen for tea processing.

[0025] In the specific technical scheme, the bottom plate 1 is provided; the support frame 2 is fixedly installed at one end of the bottom plate 1, and the protective shell 3 is fixedly installed on the inner side of the support frame 2; the circular tea leaf collecting box 4 is fixedly installed on the upper surface of the bottom plate 1, and the collecting groove is formed in the upper surface of the circular tea leaf collecting box 4; the screening assembly 5 is arranged on one side of the protective shell 3, and the screening assembly 5 comprises the conveying pipe 51, the arc-shaped bucket-shaped plate 52, the first filtering hole 53, the second filtering hole 54, the extension spring 55 and the telescopic rod 56; the conveying pipe 51 is fixedly installed on one side of the protective shell 3; the arc-shaped bucket-shaped plate 52 is slidably connected to the conveying pipe 51; the telescopic rod 56 is fixedly installed at both ends of the conveying pipe 51 and the arc-shaped bucket-shaped plate 52 respectively; the extension spring 55 is sleeved on the telescopic rod 56; and the first filtering hole 53 and the second filtering hole 54 are respectively formed in the outer side of the arc-shaped bucket-shaped plate 52; the collecting assembly 6 is arranged on one side of the arc-shaped bucket-shaped plate 52, and the collecting assembly 6 is used for classifying and collecting impurities in the tea leaves.

[0026] The collecting assembly 6 comprises the circular collecting cylinder one 61, the circular collecting cylinder two 62, the clamping groove 63, the clamping plate 64, the reset spring 65 and the connecting block 66; the collecting cylinder one is fixedly installed on the collecting cylinder two; the circular collecting cylinder one 61 and the circular collecting cylinder two 62 are slidably connected to the conveying pipe 51; the clamping groove 63 is formed in the outer side of the protective shell 3; the connecting block 66 is fixedly installed on the outer side of the circular collecting cylinder two 62; one end of the clamping plate 64 is fixedly installed on the connecting block 66; and the reset spring 65 is fixedly installed at both ends of the connecting block 66 and the clamping plate 64 respectively; and the clamping plate 64 can enable the circular collecting cylinder two 62 to be clamped on the protective shell 3.

[0027] The conveying assembly 7 is arranged on one side of the protective shell 3, and the conveying assembly 7 comprises the spiral blade 71, the conveying shaft 72, the feeding port 73 and the driving motor 74; one end of the conveying shaft 72 is rotatably connected to the conveying pipe 51; the spiral blade 71 is fixedly installed on the outer side of the conveying shaft 72; the feeding port 73 is fixedly installed on the conveying pipe 51; the driving motor 74 is fixedly installed on the protective shell 3; and the output end of the driving motor 74 is fixedly installed on the conveying shaft 72 through the protective shell 3 and the conveying pipe 51; and the conveying shaft 72 and the spiral blade 71 can enable the tea leaves to enter the conveying pipe 51.

[0028] The limiting frame 8 is fixedly installed on the outer side of the circular collecting cylinder two 62; and the limiting frame 8 can support the circular collecting cylinder one 61 and the circular collecting cylinder two 62.

[0029] In order for those skilled in the art to fully understand the technical scheme, the present application is made as follows:

[0030] In use, the tea leaves are placed in the circular tea collecting box 4, and then the driving motor 74 is started to rotate the conveying shaft 72, so that the conveying shaft 72 drives the spiral blade 71 to rotate, and the tea leaves in the circular tea collecting box 4 are conveyed into the conveying pipe 51, and are discharged from the other end of the conveying pipe 51, so that the tea leaves enter the arc-shaped plate 52, and when the tea leaves slowly slide on the filtering hole one 53, the small impurities can be screened, and the small impurities enter the circular collecting cylinder one 61 along the filtering hole one 53. Because the driving motor 74 drives the spiral blade 71 to shake when working, and the conveying pipe 51 and the arc-shaped plate 52 are connected through the telescopic rod 56 and the stretching spring 55, the tea leaves on the arc-shaped plate 52 can be shaken, so that the tea leaves enter the bottom of the arc-shaped plate 52, and the large impurities enter the circular collecting cylinder two 62 along the filtering hole two 54. Because there is a space distance between the outer edge of the arc-shaped plate 52 and the inner wall of the protective shell 3, the screened tea leaves fall along the arc-shaped plate 52 to the collecting groove on the upper surface of the circular tea collecting box 4 at the bottom, so that the tea leaves can be classified and screened, time and labor are saved, and the working efficiency is also improved. When the screening is finished, the staff can press the clamping plate 64, so that the reset spring 65 is squeezed, the circular collecting cylinder one 61 and the circular collecting cylinder two 62 can slide downward along the conveying pipe 51, and the limiting frame 8 is supported on the circular tea collecting box 4, so that the impurities in the circular collecting cylinder one 61 and the circular collecting cylinder two 62 can be collected and taken out.

[0031] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0032] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A classification screen for tea processing, characterised in that, Include: The bottom plate (1); Support frame (2), one end of the support frame (2) is fixedly installed on the bottom plate (1), the inner side of the support frame (2) is fixedly installed with a protective shell (3), the upper surface of the bottom plate (1) is fixedly installed with a circular tea collecting box (4), and the upper surface of the circular tea collecting box (4) is provided with a collecting groove; The screening assembly (5) is arranged on one side of the protective shell (3), and the screening assembly (5) includes a conveying pipe (51), a hopper-shaped arc plate (52), a filter hole one (53), a filter hole two (54), a tension spring (55) and a telescopic rod (56), the conveying pipe (51) is fixedly installed on one side of the protective shell (3), the hopper-shaped arc plate (52) is slidably connected to the conveying pipe (51), the telescopic rod (56) is fixedly installed at both ends of the conveying pipe (51) and the hopper-shaped arc plate (52) respectively, and the tension spring (55) is sleeved on the telescopic rod (56), and the hopper-shaped arc plate (52) is provided with a filter hole one (53) and a filter hole two (54) on the outer side respectively; The collecting assembly (6) is arranged on one side of the hopper-shaped arc plate (52), and the collecting assembly (6) is used for classifying and collecting impurities in the tea.

2. The classification screen for tea processing according to claim 1, wherein The collecting assembly (6) includes a circular collecting cylinder one (61), a circular collecting cylinder two (62), a clamping groove (63), a clamping plate (64), a reset spring (65) and a connecting block (66), the collecting cylinder one is fixedly installed on the collecting cylinder two, and the collecting cylinder one and the collecting cylinder two are slidably connected to the conveying pipe (51).

3. The classification screen for tea processing according to claim 2, wherein The outer side of the protective shell (3) is provided with a clamping groove (63), the connecting block (66) is fixedly installed on the outer side of the circular collecting cylinder two (62), one end of the clamping plate (64) is fixedly installed on the connecting block (66), and the other end of the reset spring (65) is fixedly installed on the connecting block (66) and the clamping plate (64) respectively.

4. The classification screen for tea processing according to claim 1, wherein The protective shell (3) is provided with a conveying assembly (7) on one side, the conveying assembly (7) includes a spiral blade (71), a conveying shaft (72), a feeding port (73) and a driving motor (74), one end of the conveying shaft (72) is rotatably connected in the conveying pipe (51).

5. The classification screen for tea processing according to claim 4, wherein The spiral blade (71) is fixedly installed on the outer side of the conveying shaft (72), the feeding port (73) is fixedly installed on the conveying pipe (51), the driving motor (74) is fixedly installed on the protective shell (3), and the output end of the driving motor (74) is fixedly installed on the conveying shaft (72) through the protective shell (3) and the conveying pipe (51) respectively.

6. The classification screen for tea processing according to claim 2, wherein The outer side of the circular collecting cylinder two (62) is fixedly installed with a limiting frame (8).

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