Screening machine for tea processing

Abstract

The utility model relates to the technical field of tea leaf screening machines, and discloses a screening machine for tea leaf processing, which comprises a screening box body, fixed side plates are respectively mounted on the inner walls of two sides of the screening box body, support shafts are respectively clamped on the fixed side plates in a sliding manner, and a support bottom plate is mounted at one end of each support shaft; supporting vertical plates are installed on the outer wall of the top of the supporting bottom plate, a supporting frame is hinged to the supporting vertical plates, a second adjusting support can drive the supporting frame to rotate by a certain angle by screwing a nut sleeve, and the moving speed of tea on a screening plate can be changed by adjusting the inclination angle of the screening plate. According to the tea leaf screening device, the screening speed can be controlled according to the impurity content of tea leaves, the screening plate can be pulled out of the limiting pressing plate by pulling the guide plate, then the screening plates of different specifications are connected with the limiting pressing plate in a clamped mode, and the screening fineness of the tea leaves can be controlled by conveniently and rapidly replacing the screening plates of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to tea screening machine technical field, especially in kind of screening machine for tea processing. BACKGROUND

[0002] The tea screening machine is a kind of equipment specially used for screening and classifying tea, and its main function is to divide tea into different grades according to the size, shape, density and other physical properties of tea, remove impurities such as tea stem and broken ends in tea, so as to improve the quality and uniformity of tea.

[0003] Search the Chinese patent CN220295162U and disclose a kind of tea screening device, including: screening box, inside slidable setting is inclined screen plate, the top of screening box is provided with the feed hopper being communicated with its interior, the bottom and side of screening box are respectively provided with the outlet of broken slag and tea outlet, slidingly set up the obturator in feed hopper, screening box is provided with the driving part being connected with obturator fixedly and being used to drive its linear reciprocating sliding, screening box is provided with the driving part being overlapped with screen plate and being used to drive its linear reciprocating sliding.This application is screened when tea, since tea in feed hopper is discontinuous into screening box and falls on screen plate, therefore will not cause the condition that too much tea is accumulated on screen plate, so as not to affect the effect of tea screening, therefore more practical;Dust generated when tea is screened is handled by the design of dust removal element, to avoid the physical harm to environment and staff.

[0004] However, in the implementation of related technology, it is found that the above screening device has the following problems: the prior art screens tea by driving the screen plate to vibrate, since the inclination angle of the screen plate remains unchanged, the speed of tea moving on the screen plate remains consistent, and the removal effect on tea with more impurities is poor, and the screen plate of the prior art is inconvenient to replace, and the fineness of screening is inconvenient to control, based on this, the utility model designs a kind of screening machine for tea processing to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of screening machine for tea processing to solve the problem that prior art is inconvenient to control the speed of tea screening and the fineness of screening in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of screening machine for tea processing, including screening box body, fixed side plate is respectively installed on the two side inner walls of screening box body, support shaft is respectively slidably connected on the fixed side plate, support base plate is installed at one end of support shaft, support vertical plate is respectively installed on the top outer wall of support base plate, support frame is hinged on the support vertical plate;

[0007] The side wall of the supporting bottom plate is fixedly provided with a supporting base, the supporting base is hingedly provided with an adjusting support one, the top outer wall of the adjusting support one is provided with a fixed screw rod, the bottom outer wall of the supporting frame is hingedly provided with an adjusting support two, the bottom outer wall of the adjusting support two is rotatably connected with a nut sleeve, and the fixed screw rod is connected with the nut sleeve through the outer surface thread.

[0008] The top outer wall of the supporting frame is respectively provided with a limiting pressing plate, the limiting pressing plate is clamped with a screening plate, and the limiting pressing plate is provided with a clamping assembly for fixing the screening plate.

[0009] As a preferred scheme, the bottom outer wall of the supporting bottom plate is provided with a vibrating mechanism for driving the supporting bottom plate to vibrate.

[0010] As a preferred scheme, the clamping assembly comprises a guide rod, the guide rod is arranged on the top outer wall of the limiting pressing plate, a guide plate is slidably clamped on the guide rod, a fixing shaft is arranged on the bottom outer wall of the guide plate, the fixing shaft is clamped with the limiting pressing plate and the screening plate, and a compression spring for pressing the guide plate is arranged on the side wall of the guide rod.

[0011] As a preferred scheme, the top outer wall of the adjusting support one is respectively provided with a guide column, the bottom outer wall of the adjusting support two is respectively provided with a guide sleeve, and the guide column is slidably clamped with the guide sleeve.

[0012] As a preferred scheme, the side wall of the supporting shaft is provided with a supporting spring for supporting the supporting bottom plate.

[0013] As a preferred scheme, the side wall of the limiting pressing plate is provided with a fixed baffle for limiting the screening plate.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1. By screwing the nut sleeve, the adjusting support two can drive the supporting frame to rotate by a certain angle, the inclination angle of the screening plate is adjusted, the moving speed of the tea leaves on the screening plate can be changed, and the screening speed can be controlled according to the impurity content of the tea leaves.

[0016] 2. By pulling the guide plate, the screening plate can be pulled out from the limiting pressing plate, then different specifications of the screening plate are clamped with the limiting pressing plate, and the device is convenient and fast to replace different specifications of the screening plate, thereby being beneficial to controlling the screening fineness of the tea leaves. DRAWINGS

[0017] Figure 1 It is a schematic view of the whole structure of the utility model.

[0018] Figure 2 It is a schematic view of the screening box structure of the utility model.

[0019] Figure 3 It is a schematic view of the utility model partially cut open.

[0020] Figure 4 It is an enlarged schematic view of A in the utility model. Figure 1

[0021] In the figure: 1, screening box; 2, fixed side plate; 3, support shaft; 4, support base plate; 5, support vertical plate; 6, support base; 7, adjustment bracket one; 8, adjustment bracket two; 9, clamping assembly; 901, guide rod; 902, guide plate; 903, fixed shaft; 904, compression spring; 10, fixed screw; 11, nut sleeve; 12, support frame; 13, screening plate; 14, limit pressing plate; 15, guide column; 16, guide sleeve; 17, support spring; 18, vibration mechanism; 19, fixed baffle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The utility model provides a screening box, which comprises a screening box body, a fixed side plate, a support shaft, a support base plate, a support vertical plate, a support base, an adjustment bracket one, an adjustment bracket two, a clamping assembly, a guide rod, a guide plate, a fixed shaft, a compression spring, a fixed screw, a nut sleeve, a support frame, a screening plate, a limit pressing plate, a guide column, a guide sleeve, a support spring, a vibration mechanism and a fixed baffle. Figures 1-4 ​The tea processing screening machine shown, including screening box 1, the two sides of screening box 1 The inner wall is respectively provided with a fixed side plate 2, the fixed side plate 2 It is respectively connected with the support shaft 3 through sliding, the number of support shaft 3 It is two, symmetrically arranged on the fixed side plate 2, one end of support shaft 3 It is installed on the support base plate 4, the top outer wall of support base plate 4 It is respectively provided with a support vertical plate 5, the support vertical plate 5 It is hinged with a support frame 12, one side wall of support base plate 4 It is fixedly installed with a support base 6, the support base 6 It is hinged with an adjusting bracket one 7, the top outer wall of adjusting bracket one 7 It is installed with a fixed screw 10, the bottom outer wall of support frame 12 It is hinged with an adjusting bracket two 8, the bottom outer wall of adjusting bracket two 8 It is rotatably connected with a nut sleeve 11, the fixed screw 10 It is connected with the nut sleeve 11 through the outer surface thread, the top outer wall of support frame 12 It is respectively provided with a limiting pressure plate 14, the limiting pressure plate 14 It is connected with a screening plate 13, the limiting pressure plate 14 It is installed with a clamping assembly 9 for fixing the screening plate 13, the bottom outer wall of support base plate 4 It is installed with a vibration mechanism 18 for driving support base plate 4 Vibration, the vibration mechanism 18 is a vibration motor, the vibration motor is installed on the rotor shaft two ends each a set of adjustable eccentric block, the centrifugal force generated by the shaft and eccentric block high speed rotation gets the excitation force, when screening, first, the tea is transported to the screening plate 13, then through the vibration mechanism 18 Drive support base plate 4 Vibration, so as to drive the screening plate 13 Vibration to screen tea, and before screening, by turning the nut sleeve 11, the fixed screw 10 can be removed from the inside of the nut sleeve 11, so that the adjusting bracket two 8 can drive the support frame 12 Rotate a certain angle, so that the inclination angle of the screening plate 13 on the support frame 12 can be adjusted, so that the moving speed of the tea on the screening plate 13 can be changed, so the screening speed can be controlled according to the impurity content of tea, which is helpful to ensure the efficiency and effect of screening.

[0024] In the present embodiment, as Figure 4As shown, the clamping assembly 9 includes a guide rod 901 located on the top outer wall of the limiting pressing plate 14, a guide plate 902 is clamped on the guide rod 901 and slides, a fixed shaft 903 is installed on the bottom outer wall of the guide plate 902, the fixed shaft 903 passes through the limiting pressing plate 14 and is clamped with the screening plate 13, a compression spring 904 is arranged on the side wall of the guide rod 901 and is used for pressing the guide plate 902, when the screening plate needs to be replaced, first pull the guide plate 902, separate the fixed shaft 903 from the screening plate 13, then pull out the screening plate 13 from the inside of the limiting pressing plate 14 and clamp the screening plate 13 of different specifications with the limiting pressing plate 14 again, after the screening plate 13 is pressed in place, the guide plate 902 is loosened, the guide plate 902 is moved by the compression spring 904, so that the fixed shaft 903 can be clamped with the screening plate 13 again, the device can conveniently and quickly replace the screening plate 13 of different specifications, and the screening plate 13 of different screening holes can be selected according to different tea leaves, which is helpful to control the screening fineness of tea leaves.

[0025] In the embodiment, as shown in the figure, Figure 3 The top outer wall of the adjusting bracket one 7 is respectively provided with a guide column 15, the bottom outer wall of the adjusting bracket two 8 is respectively provided with a guide sleeve 16, the guide column 15 and the guide sleeve 16 are slidably clamped, the guide sleeve 16 and the guide column 15 can guide the adjusting bracket one 7 and the adjusting bracket two 8, and the stability during movement of the two is improved.

[0026] In the embodiment, as shown in the figure, Figure 1 The side wall of the supporting shaft 3 is provided with a supporting spring 17 for supporting the supporting bottom plate 4, the supporting bottom plate 4 is supported by the supporting spring 17, so that the supporting bottom plate 4 can have an up-and-down moving space when the supporting bottom plate 4 is vibrated.

[0027] In the embodiment, as shown in the figure, Figure 1 One side wall of the limiting pressing plate 14 is provided with a fixed baffle 19 for limiting the screening plate 13, the screening plate 13 is limited by the fixed baffle 19, so that the position of the screening plate 13 can be conveniently determined.

[0028] The utility model discloses a kind of screening machines for tea processing, by conveying tea to screening plate 13, then by vibration mechanism 18 drive supporting bottom plate 4 vibration, so that screening plate 13 can vibrate and carry out screening to its upper tea, and by screwing nut sleeve 11, so that fixed screw rod 10 can be removed from inside nut sleeve 11, so that adjusting bracket two 8 can drive support frame 12 to rotate certain angle, further can adjust the inclination angle of screening plate 13, by adjusting the inclination angle of screening plate 13, the moving speed of tea on screening plate 13 can be changed, so that screening speed can be controlled according to tea impurity content;

[0029] By pulling the guide plate 902, the fixed shaft 903 is disengaged from the screening plate 13, then the screening plate 13 can be extracted from the inside of the limiting pressing plate 14, then the different specifications of the screening plate 13 are clamped with the limiting pressing plate 14, the screening plate 13 is pressed in place, then the guide plate 902 is loosened, the guide plate 902 is driven to move through the compression spring 904, so that the fixed shaft 903 is clamped with the screening plate 13 to fix the screening plate 13, the device is convenient and fast to replace the screening plate 13 of different specifications, thereby being beneficial to control the screening fineness of tea.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A screening machine for tea processing, comprising a screening box (1), characterized in that: Fixed side plates (2) are installed on the inner walls of both sides of the screening box (1). Support shafts (3) are slidably connected to the fixed side plates (2). A support base plate (4) is installed at one end of the support shaft (3). Support vertical plates (5) are installed on the top outer wall of the support base plate (4). A support frame (12) is hinged to the support vertical plate (5). A support base (6) is fixedly installed on one side wall of the support base plate (4). An adjustment bracket (7) is hinged on the support base (6). A fixing screw (10) is installed on the top outer wall of the adjustment bracket (7). An adjustment bracket (8) is hinged on the bottom outer wall of the support frame (12). A nut sleeve (11) is rotatably connected to the bottom outer wall of the adjustment bracket (8). The fixing screw (10) is connected to the nut sleeve (11) through its outer surface thread. Limiting pressure plates (14) are respectively installed on the top outer wall of the support frame (12). A screening plate (13) is snapped onto the limiting pressure plate (14). A snap-fit ​​assembly (9) for fixing the screening plate (13) is installed on the limiting pressure plate (14).

2. The tea processing screening machine according to claim 1, characterized in that: A vibration mechanism (18) for driving the support base plate (4) to vibrate is installed on the bottom outer wall of the support base plate (4).

3. The tea processing screening machine according to claim 1, characterized in that: The snap-fit ​​assembly (9) includes a guide rod (901) located on the top outer wall of the limiting pressure plate (14). A guide plate (902) is slidably snapped onto the guide rod (901). A fixed shaft (903) is installed on the bottom outer wall of the guide plate (902). The fixed shaft (903) passes through the limiting pressure plate (14) and snaps onto the screening plate (13). A compression spring (904) for pressing the guide plate (902) is provided on the side wall of the guide rod (901).

4. The tea processing screening machine according to claim 1, characterized in that: Guide posts (15) are installed on the top outer wall of the first adjustment bracket (7), and guide sleeves (16) are installed on the bottom outer wall of the second adjustment bracket (8). The guide posts (15) and the guide sleeves (16) are slidably engaged.

5. The tea processing screening machine according to claim 1, characterized in that: The side wall of the support shaft (3) is provided with a support spring (17) for supporting the support base plate (4).

6. The tea processing screening machine according to claim 1, characterized in that: A fixed baffle (19) for limiting the position of the screening plate (13) is installed on one side wall of the limiting pressure plate (14).

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