Cleaning-free screening vibration groove

Abstract

The utility model discloses a cleaning-free screening vibration groove which comprises a groove body. The lower-layer screen is arranged in the tank body, and screen holes of the lower-layer screen are rounded rectangles; the upper-layer screen mesh is movably arranged in the tank body, the lower surface of the upper-layer screen mesh is arranged on the upper surface of the lower-layer screen mesh, and screen holes of the upper-layer screen mesh are rounded rectangles; the driving mechanism drives the upper-layer screen to move between a first position and a second position; the first position is in the vertical direction, and the screen holes of the upper-layer screen mesh and the screen holes of the lower-layer screen mesh are overlapped to form circular screen holes; and the second position is in the vertical direction, and the screen holes of the upper-layer screen mesh and the screen holes of the lower-layer screen mesh are overlapped to form a rounded rectangle. Tobacco powder (pieces) clamped in the screen holes can be automatically discharged, and extra crushing caused by manual tool cleaning is avoided. Meanwhile, the labor intensity and the operation risk are reduced. And the screening efficiency of the screening vibration groove is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tobacco screening equipment technical field, concretely relates to a cleaning -free screening vibrating chute. BACKGROUND

[0002] In prior art, screening vibrating chute is a kind of mechanical equipment suitable for mutual transfer of material between various processing procedures and screening of material according to process requirement.It is widely used in production and processing field due to its simple structure, convenient maintenance, low energy consumption and strong compatibility.

[0003] In tobacco processing process, commonly used is the hole plate type single layer screening vibrating chute, and the common hole plate type single layer screening vibrating chute screen mesh aperture is 3.0mm, 6.5mm, 10.0mm.Tobacco sheet is screened, and the tobacco dust smaller than the vibrating chute screening hole diameter is screened to the lowermost by the drop hopper and is discharged.The tobacco leaf larger than the vibrating chute screening hole diameter is in the uppermost layer and continues next process processing.Due to the long hole plate, long tobacco stem or high moisture content of tobacco, some tobacco dust (sheet) is easily stuck on the hole plate and is stacked, causing hole plate blockage, and the hole plate screening efficiency is reduced.If not cleaning the tobacco dust (sheet) stuck in the screening hole in time, the tobacco dust (sheet) will affect the product quality of cigarette.In general, the hole plate is riveted or welded on the groove body, and the smaller the hole plate aperture, the more difficult to remove the tobacco dust (sheet) stacked on the hole plate, and manual cleaning is often required.In the process of manual cleaning using cleaning tool, a large amount of tobacco dust is often produced, causing raw material waste and increasing production cost.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem of prior art, and provides a cleaning -free screening vibrating chute.

[0006] To solve the above technical problem, the basic concept of technical scheme of the utility model is as follows:

[0007] A cleaning -free screening vibrating chute, comprising:

[0008] Groove body;

[0009] Lower layer screen, set in the groove body, the screen hole of the lower layer screen is rounded rectangle;

[0010] Upper layer screen, movably set in the groove body, the lower surface of the upper layer screen is set on the upper surface of the lower layer screen, and the screen hole of the upper layer screen is rounded rectangle;

[0011] Driving mechanism, the driving mechanism drives the upper layer screen to move in first position and second position;

[0012] The first position is that the screen holes of the upper layer screen and the screen holes of the lower layer screen are overlapped into a circular screen hole in the vertical direction.

[0013] The second position is that the screen holes of the upper layer screen and the screen holes of the lower layer screen are overlapped into a circular-rectangular screen hole in the vertical direction.

[0014] Further, the lower layer screen is riveted on the side wall of the groove body or fixedly connected on the support framework in the groove body.

[0015] Further, the side wall of the groove body is provided with a sliding groove, and the side edge of the upper layer screen is slidingly connected in the sliding groove.

[0016] Further, the driving mechanism comprises a handle, one end of the handle is hinged to the outer wall of the groove body, the middle part is hinged to the side edge of the upper layer screen, and the other end is a handle.

[0017] Further, the outer wall of the groove body is provided with a limiting hole comprising a first hole position and a second hole position, and the first hole position and the second hole position are used to limit the moving position of the handle.

[0018] Further, the length of the upper layer screen is greater than that of the lower layer screen.

[0019] Further, it further comprises:

[0020] A rack, and the groove body is arranged above the rack.

[0021] A transmission system arranged on the rack.

[0022] A transmission assembly, and the transmission system drives the transmission assembly to drive the groove body to vibrate.

[0023] Further, the transmission assembly comprises:

[0024] A balance body, and the transmission system drives the balance body to move.

[0025] An oscillating arm, one end of the oscillating arm is hinged to the balance body, the middle part is hinged to the rack, and the other end is hinged to the groove body.

[0026] Further, the oscillating arm is a plurality of, and the plurality of oscillating arms are sequentially and spaced arranged along the extending direction of the balance body.

[0027] Further, the plurality of oscillating arms are all hinged to the groove body through elastic sheets.

[0028] After the above technical scheme is adopted, the present application has the following beneficial effects compared with the prior art.

[0029] The utility model provides a kind of cleaning-free screening vibration groove, which changes the size of the screen hole by transforming the positions of the lower screen and the upper screen, realizes the self-discharge of tobacco dust (sheet) stuck in the screen hole, avoids the additional crushing caused by artificial tool cleaning, reduces the labor intensity and operation risk, improves the screening efficiency of the screening vibration groove and the stability of product quality.

[0030] The specific embodiments of the utility model will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0031] The accompanying drawings are part of the utility model and serve to provide further understanding of the utility model, and the illustrative embodiments of the utility model and their descriptions serve to explain the utility model but do not constitute undue limitation on the utility model. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0032] Figure 1 is a front view of the cleaning-free screening vibration groove provided by the utility model;

[0033] Figure 2 is a side view of the cleaning-free screening vibration groove provided by the utility model;

[0034] Figure 3 is a structure diagram of the upper screen and the lower screen provided by the utility model;

[0035] Figure 4 is a top view of the upper screen in the second position provided by the utility model;

[0036] Figure 5 is a top view of the upper screen in the first position provided by the utility model.

[0037] In the drawings: 1, groove body; 2, support framework; 3, upper screen; 4, lower screen; 6, stop knob; 7, second hole position; 8, first hole position; 9, spring sheet; 10, transmission system; 11, swing arm; 12, balance body; 13, rack.

[0038] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0040] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0041] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium.

[0042] As shown in Figures 1 to 5 The utility model provides a cleaning -free screening vibration groove, this cleaning -free screening vibration groove includes:

[0043] The groove body 1;

[0044] The lower layer screen 4 is arranged in the groove body 1, and the screen hole of the lower layer screen 4 is a rounded rectangle;

[0045] The upper layer screen 3 is movably arranged in the groove body 1, the lower surface of the upper layer screen 3 is arranged on the upper surface of the lower layer screen 4, and the screen hole of the upper layer screen 3 is a rounded rectangle;

[0046] The driving mechanism drives the upper layer screen 3 to move in the first position and the second position;

[0047] The first position is that in the vertical direction, the screen hole of the upper layer screen 3 is superimposed into a circular screen hole with the screen hole of the lower layer screen 4;

[0048] The second position is that in the vertical direction, the screen hole of the upper layer screen 3 is superimposed into a rounded rectangle with the screen hole of the lower layer screen 4.

[0049] Specifically, the driving mechanism drives the upper layer screen 3 to move in the groove body 1, when being in the first position, in the vertical direction, the screen hole of the upper layer screen 3 is superimposed into a circular screen hole with the screen hole of the lower layer screen 4. It is the non-cleaning state. The equipment runs, and when normal material passes, material screening is carried out.

[0050] The driving mechanism drives the upper layer screen 3 to move in the trough body 1, and the upper layer screen 3 moves from the first position to the second position, and when being in the second position, the screen holes of the upper layer screen 3 are overlapped with the screen holes of the lower layer screen 4 into a circular-rectangular shape in the vertical direction. At present, it is in the cleaning state. When the batch is finished, the trough body 1 is not filled with materials, the screen holes are enlarged, and residual materials are discharged.

[0051] After the cleaning is finished, the driving mechanism drives the upper layer screen 3 to move in the trough body 1, and the upper layer screen 3 moves from the second position to the first position, and when being in the first position, the device is operated, and when being in the normal material passing state, material screening is performed. In this way, the tobacco ends (sheets) stuck in the screen holes are discharged automatically.

[0052] The utility model provides a kind of cleaning-free screening vibration tank, which changes the size of screen holes by position transformation of the lower layer screen 4 and the upper layer screen 3, realizes that the tobacco ends (sheets) stuck in the screen holes are discharged automatically, avoids additional crushing caused by artificial tool cleaning, reduces labor intensity and operation risk, improves the screening efficiency of the screening vibration tank and the stability of product quality, has simple structure, practical function and is convenient to install and debug, and can be widely used.

[0053] In detail:

[0054] The trough body 1 is used to hold tobacco leaves to be screened, and the trough body 1 is provided with a support framework 2 at the bottom. The lower layer screen 4 is riveted to the side wall of the trough body 1 or fixedly connected to the support framework 2 in the trough body 1.

[0055] The upper layer screen 3 is movably arranged in the trough body 1. Specifically, the side wall of the trough body 1 is provided with a sliding groove, and the side edge of the upper layer screen 3 is slidingly connected to the sliding groove.

[0056] Further, the two side edges of the upper layer screen 3 are respectively slidingly connected to the sliding grooves arranged on the two side walls of the trough body 1. The sliding grooves support the upper layer screen 3 above the lower layer screen 4.

[0057] In some optional embodiments, as shown in Figures 1 to 5 The driving mechanism includes a lever 6, one end of which is hinged to the outer wall of the trough body 1, the middle part is hinged to the side edge of the upper layer screen 3, and the other end is a handle.

[0058] The lever 6 can drive the upper layer screen 3 to move in the trough body 1 by manually pulling the lever 6. The upper layer screen 3 is driven to move between the first position and the second position.

[0059] Further, the outer wall of the trough body 1 is provided with limiting holes, including a first hole position 8 and a second hole position 7, which are used to limit the moving position of the lever 6.

[0060] When the stop handle 6 is in the first hole position 8, the upper screen 3 and the lower screen 4 are fixed in positions. When the upper screen 3 is in the first position, in the vertical direction, the screen holes of the upper screen 3 and the screen holes of the lower screen 4 are superimposed into circular screen holes. At present, it is in a non-cleaning state. The device is running, and when the material is normally passed, the material is screened.

[0061] When the stop handle 6 is in the second hole position 7, the upper screen 3 and the lower screen 4 are fixed in positions. When the upper screen 3 is in the second position, in the vertical direction, the screen holes of the upper screen 3 and the screen holes of the lower screen 4 are superimposed into circular-rectangular holes. At present, it is in a cleaning state. At the end of the batch, the trough body 1 is not passed, the screen hole is enlarged, and the residual material is emptied.

[0062] In some optional embodiments, as shown in the figure, the length of the upper screen 3 is greater than that of the lower screen 4. Figures 1 to 5

[0063] The upper screen 3 and the lower screen 4 can be prevented from being misaligned at both ends due to movement of the upper screen 3.

[0064] In some optional embodiments, the utility model provides a cleaning-free screening vibration trough, and the cleaning-free screening vibration trough further comprises:

[0065] A rack 13, wherein the trough body 1 is arranged above the rack 13;

[0066] A transmission system 10, which is arranged on the rack 13;

[0067] A transmission assembly, which is driven by the transmission system 10 to drive the trough body 1 to vibrate.

[0068] Further, the transmission assembly comprises:

[0069] A balance body 12, which is driven by the transmission system 10 to move;

[0070] A swing arm 11, which is hingedly connected to the balance body 12 at one end, hingedly connected to the rack 13 at a middle part, and hingedly connected to the trough body 1 at the other end.

[0071] Specifically, the transmission system 10, which is fixedly arranged on the rack 13, drives the balance body 12 to move, and the swing arm 11 is a plurality of swing arms 11, which are arranged in sequence and at intervals along the extension direction of the balance body 12. The balance body 12 drives the plurality of swing arms 11 to swing. The plurality of swing arms 11 drive the trough body 1 to vibrate.

[0072] Further, the plurality of swing arms 11 are all hingedly connected to the trough body 1 through elastic sheets 9. The elastic sheet 9, also known as a damping spring, is an important component of a vibrating screen, and its main functions include: buffering, damping, guiding and connecting.

[0073] ​The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A clean-out free screening shaker characterized by: The utility model relates to a screening device, including: A groove body; A lower layer screen is arranged in the groove body, and the screen hole of the lower layer screen is a rounded rectangle; An upper layer screen is movably arranged in the groove body, the lower surface of the upper layer screen is arranged on the upper surface of the lower layer screen, and the screen hole of the upper layer screen is a rounded rectangle; A driving mechanism drives the upper layer screen to move in a first position and a second position; The first position is that in the vertical direction, the screen hole of the upper layer screen is overlapped with the screen hole of the lower layer screen into a circular screen hole; The second position is that in the vertical direction, the screen hole of the upper layer screen is overlapped with the screen hole of the lower layer screen into a rounded rectangle.

2. The clean-out-free screening vibro-tributer of claim 1, wherein: The lower layer screen is riveted on the side wall of the groove body or is fixedly connected on the support framework in the groove body.

3. The clean-out-free screening vibro-tributer of claim 1, wherein: The side wall of the groove body is provided with a sliding groove, and the side edge of the upper layer screen is slidingly connected in the sliding groove.

4. The clean-out-free screening vibro-tributer of claim 1, wherein: The driving mechanism includes a handle, one end of the handle is hinged to the outer wall of the groove body, the middle part is hinged to the side edge of the upper layer screen, and the other end is a handle.

5. The clean-out-free screening vibro-tributer of claim 4, wherein: The outer wall of the groove body is provided with a limiting hole, including a first hole and a second hole, and the first hole and the second hole are used to limit the moving position of the handle.

6. The clean-out-free screening vibro-tributer of claim 1, wherein: The length of the upper layer screen is greater than that of the lower layer screen.

7. The clean-out-free screening vibro-tributer of claim 1, wherein: Further including: A rack, and the groove body is arranged above the rack; A transmission system is arranged on the rack; A transmission assembly is driven by the transmission system to drive the groove body to vibrate.

8. The clean-out-free screening vibro-tributer of claim 7, wherein: The transmission assembly includes: A balance body is driven by the transmission system to move; A swing arm is hinged to the balance body at one end, hinged to the rack at the middle part, and hinged to the groove body at the other end.

9. The clean-out-free screening vibro-tributer of claim 8, wherein: The swing arm is a plurality of, and the plurality of swing arms are sequentially and spaced arranged along the extension direction of the balance body.

10. The clean-out-free screening vibro-tributer of claim 8, wherein: The plurality of swing arms are hinged to the groove body through the elastic sheet.

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