Multi-stage screening equipment with strong screening effect

Abstract

The utility model discloses multi-stage screening equipment with a strong screening effect, which relates to the technical field of tea processing equipment, and comprises a fixed shell, a first screening cylinder, a second screening cylinder and a third screening cylinder which are arranged in the fixed shell, and a blanking mechanism which is arranged on the inner sides of the first screening cylinder, the second screening cylinder and the third screening cylinder; the discharging mechanism comprises scraping pieces arranged in the first screening barrel, the second screening barrel and the third screening barrel, connecting rods installed on the side faces of the scraping pieces and fixing plates arranged on the side portions of the connecting rods, the discharging mechanism further comprises pushing pieces arranged on the side portions of the fixing plates, the pushing pieces are installed on the side faces of L-shaped plates, and fixing shells are fixedly connected to the tops of the L-shaped plates. The multi-stage screening equipment is high in screening effect, discharging is convenient through the arranged discharging mechanism, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tea processing equipment, in particular to a multi-stage screening equipment with strong screening effect. Background Art

[0002] Tea refers to the leaves of the evergreen shrub tea tree that can be used to make tea, as well as beverages made from these leaves. Tea contains catechins, cholestenone, caffeine, inositol, folic acid, pantothenic acid and other ingredients that can improve human health. With the improvement of people's living standards, the demand for tea is also increasing. With the tea screening device, tea can be quickly screened to obtain tea of ​​various grades. After multiple steps of processing, tea leaves will have fine tea powder and dry tea leaves of different sizes, which need to be screened and classified.

[0003] Publication (Announcement) No.: CN218282537U discloses a multi-stage screening device for tea processing. Its technical solution includes: a support plate, a front end surface of the support plate is installed with an arc-shaped slide rail, the arc-shaped slide rail is provided with an arc-shaped slider, and the arc-shaped slide rail and the arc-shaped slider are slidably connected, the arc-shaped slider is installed on the rear end surface of the first mounting plate, the front end surface of the first mounting plate is installed with a screening mechanism, the screening mechanism includes a side plate, a top plate, a driving gear, a driven gear, a second reduction motor, an L-shaped mounting plate, a bearing, a first shell, a second shell, a third shell, a first sieve hole, a second sieve hole, a first inlet and outlet pipe, a second inlet and outlet pipe, a third inlet and outlet pipe and a discharge valve, and a second shell is provided inside the first shell. The utility model is convenient for multi-stage screening of tea leaves, has a good screening effect, improves the quality of tea leaf screening, is easy to operate and use, and has strong practicality.

[0004] Although the above scheme has the advantage of good screening effect, the tea leaves after screening will be distributed inside the first shell, the second shell and the third shell, which is inconvenient to unload. For this reason, we propose a multi-stage screening device with strong screening effect. Utility Model Content

[0005] The main purpose of the utility model is to provide a multi-stage screening device with a strong screening effect, and to solve the problem that the screened tea leaves are distributed inside the first shell, the second shell and the third shell, making it inconvenient to discharge the tea leaves, by setting a feeding mechanism.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A multi-stage screening device with a strong screening effect comprises a fixed shell, a first screening cylinder, a second screening cylinder and a third screening cylinder arranged inside the fixed shell, and further comprises:

[0008] A material discharge mechanism, wherein the material discharge mechanism is arranged inside the first screening cylinder, the second screening cylinder and the third screening cylinder;

[0009] The material discharge mechanism comprises a scraper arranged inside the first screening cylinder, the second screening cylinder and the third screening cylinder, a connecting rod installed on the side of the scraper, and a fixing plate arranged on the side of the connecting rod.

[0010] Preferably, the unloading mechanism further comprises a pushing member arranged on the side of the fixed plate, the pushing member is installed on the side of the L-shaped plate, and the fixed shell is fixedly connected to the top of the L-shaped plate.

[0011] Preferably, the first screening cylinder is movably connected to the middle position of the fixed shell, the second screening cylinder is installed on the outside of the first screening cylinder, and the inner wall of the third screening cylinder is movably connected to the outer surface of the second screening cylinder.

[0012] Preferably, a discharge port is provided at the bottom of one end of the first screening cylinder, the second screening cylinder and the third screening cylinder, and a sealing door is provided at the discharge port, and a through opening is provided at the fixed shell corresponding to the discharge port.

[0013] Preferably, the side wall of the fixed shell is also provided with a rotating mechanism;

[0014] The rotating mechanism includes a driving member arranged on the outside of the fixed shell and a gear installed at the end of the output shaft of the driving member. A first rotating drum and a second rotating drum are respectively arranged on both sides of the gear. The first rotating drum is installed on the outer surface of the second screening drum, and the second rotating drum is installed on the outer surface of the third screening drum.

[0015] Preferably, the outer circumferential surface of the first rotating drum and the inner surface of the second rotating drum are both provided with tooth patterns meshing with gears.

[0016] Preferably, a protective shell is provided on the outside of the driving member.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the utility model, the unloading mechanism is provided, and the output shaft of the pushing member pushes the fixed plate to move toward one side of the fixed shell, so that the scraping member is pushed by the connecting rod to push the tea leaves inside the first screening cylinder, the second screening cylinder, and the third screening cylinder to the discharge port, thereby facilitating unloading and improving processing efficiency.

[0019] The output shaft of the driving member is used to drive the gear to rotate through the rotating mechanism. Since the outer peripheral surface of the first rotating drum and the inner surface of the second rotating drum are provided with teeth meshing with the gear, the gear will simultaneously drive the first rotating drum and the second rotating drum to rotate when rotating, thereby driving the first screening drum, the second screening drum and the third screening drum to rotate, thereby performing multi-stage screening on the tea leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0021] Figure 2 It is a top view of the utility model;

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0023] Figure 4 For this utility model Figure 3 The enlarged structural diagram at B in the middle;

[0024] Figure 5 For this utility model Figure 3 Enlarged structural diagram at point C in the middle.

[0025] In the figure:

[0026] 1. Fixed shell;

[0027] 2. The first screening cylinder;

[0028] 3. The second screening cylinder;

[0029] 4. The third screening cylinder;

[0030] 5. Feeding mechanism; 51. Scraping member; 52. Connecting rod; 53. Fixing plate; 54. Pushing member;

[0031] 6. L-shaped board;

[0032] 7. Rotating mechanism; 71. Driving member; 72. Gear; 73. First rotating drum; 74. Second rotating drum; 75. Tooth pattern. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0034] Example: Figure 1-5 As shown, a multi-stage screening device with strong screening effect includes a fixed shell 1, a first screening cylinder 2, a second screening cylinder 3 and a third screening cylinder 4 arranged inside the fixed shell 1, and also includes:

[0035] A material discharge mechanism 5, which is arranged inside the first screening cylinder 2, the second screening cylinder 3 and the third screening cylinder 4;

[0036] The unloading mechanism 5 includes a scraper 51 arranged inside the first screening drum 2, the second screening drum 3 and the third screening drum 4, a connecting rod 52 installed on the side of the scraper 51, and a fixing plate 53 arranged on the side of the connecting rod 52. Preferably, the scraper 51 inside the first screening drum 2 is a circular scraper, and the scraper 51 inside the second screening drum 3 and the third screening drum 4 is a scraper ring.

[0037] The unloading mechanism 5 also includes a pushing member 54 arranged on the side of the fixed plate 53, the pushing member 54 is installed on the side of the L-shaped plate 6, the fixed shell 1 is fixedly connected to the top of the L-shaped plate 6, and a base is installed at the bottom of the fixed shell 1, and the base is fixedly connected to the top surface of the L-shaped plate 6.

[0038] The first screening drum 2 is movably connected to the middle position of the fixed shell 1 , the second screening drum 3 is installed outside the first screening drum 2 , and the inner wall of the third screening drum 4 is movably connected to the outer surface of the second screening drum 3 .

[0039] The first screening cylinder 2, the second screening cylinder 3 and the third screening cylinder 4 are provided with a discharge port at the bottom of one end, and a sealing door is provided at the discharge port. The fixed shell 1 is provided with a through opening corresponding to the discharge port, and the sealing door is threadedly connected to the discharge port. Preferably, the screening hole size of the first screening cylinder 2 is greater than the screening hole size of the second screening cylinder 3 and the screening hole size of the third screening cylinder 4.

[0040] The side wall of the fixed shell 1 is also provided with a rotating mechanism 7;

[0041] The rotating mechanism 7 includes a driving member 71 arranged on the outside of the fixed shell 1, and a gear 72 installed at the end of the output shaft of the driving member 71. A first rotating drum 73 and a second rotating drum 74 are respectively arranged on both sides of the gear 72. The first rotating drum 73 is installed on the outer surface of the second screening drum 3, and the second rotating drum 74 is installed on the outer surface of the third screening drum 4. Preferably, the driving member 71 is a servo motor.

[0042] The outer circumferential surface of the first rotating drum 73 and the inner surface of the second rotating drum 74 are both provided with teeth 75 meshing with the gear 72 .

[0043] A protective shell is disposed outside the driving member 71 , and the protective shell is welded to the outer surface of the fixed shell 1 .

[0044] When in use, the operator first opens the sealing door, places the tea leaves to be screened inside the first rotating drum 73, and then closes the sealing door, and drives the gear 72 to rotate through the output shaft of the driving member 71. Since the outer peripheral surface of the first rotating drum 73 and the inner surface of the second rotating drum 74 are provided with tooth patterns 75 meshing with the gear 72, the gear 72 will simultaneously drive the first rotating drum 73 and the second rotating drum 74 to rotate when rotating, thereby driving the first screening drum 2, the second screening drum 3, and the third screening drum 4 to rotate, thereby performing multi-stage screening on the tea leaves. After the screening is completed, the fixed plate 53 is pushed to move toward the side of the fixed shell 1 by the output shaft of the pushing member 54, so that the scraping member 51 is pushed by the connecting rod 52 to push the tea leaves located inside the first screening drum 2, the second screening drum 3, and the third screening drum 4 to the discharge port, thereby facilitating unloading.

Claims

1. A multi-stage screening device with a strong screening effect, comprising a fixed shell (1), a first screening cylinder (2), a second screening cylinder (3) and a third screening cylinder (4) arranged inside the fixed shell (1), characterized in that: Also includes: A material discharge mechanism (5), wherein the material discharge mechanism (5) is arranged inside the first screening cylinder (2), the second screening cylinder (3) and the third screening cylinder (4); The material discharge mechanism (5) comprises a scraper (51) arranged inside the first screening cylinder (2), the second screening cylinder (3) and the third screening cylinder (4), a connecting rod (52) installed on the side of the scraper (51), and a fixing plate (53) arranged on the side of the connecting rod (52).

2. A multi-stage screening device with strong screening effect according to claim 1, characterized in that: The unloading mechanism (5) further comprises a pushing member (54) arranged on the side of the fixed plate (53), the pushing member (54) being mounted on the side of the L-shaped plate (6), and the fixed shell (1) being fixedly connected to the top of the L-shaped plate (6).

3. A multi-stage screening device with strong screening effect according to claim 2, characterized in that: The first screening cylinder (2) is movably connected to the middle position of the fixed shell (1), the second screening cylinder (3) is installed outside the first screening cylinder (2), and the inner wall of the third screening cylinder (4) is movably connected to the outer surface of the second screening cylinder (3).

4. A multi-stage screening device with strong screening effect according to claim 3, characterized in that: A discharge port is provided at the bottom of one end of each of the first screening cylinder (2), the second screening cylinder (3) and the third screening cylinder (4), and a sealing door is provided at the discharge port, and a through opening is provided in the fixed shell (1) corresponding to the discharge port.

5. The multi-stage screening device with strong screening effect according to claim 4, characterized in that: The side wall of the fixed shell (1) is also provided with a rotating mechanism (7); The rotating mechanism (7) comprises a driving member (71) arranged outside the fixed shell (1), and a gear (72) mounted on the end of the output shaft of the driving member (71); a first rotating drum (73) and a second rotating drum (74) are respectively arranged on both sides of the gear (72); the first rotating drum (73) is mounted on the outer surface of the second screening drum (3), and the second rotating drum (74) is mounted on the outer surface of the third screening drum (4).

6. A multi-stage screening device with strong screening effect according to claim 5, characterized in that: The outer circumferential surface of the first rotating drum (73) and the inner surface of the second rotating drum (74) are both provided with tooth patterns (75) that mesh with the gear (72).

7. A multi-stage screening device with strong screening effect according to claim 6, characterized in that: A protective shell is provided on the outside of the driving member (71).

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