Wood shaving super screen

Abstract

The utility model discloses a wood shaving super screen which comprises a base and is characterized in that the top of the base is connected with a screening cavity machine body through a swing connecting frame, one end of the screening cavity machine body is communicated with a wood shaving feeding port, and three layers of screen meshes inclining downwards from one end of the wood shaving feeding port to the other end of the wood shaving feeding port are arranged in the screening cavity machine body. Three discharging ports correspondingly communicated with the three layers of screen meshes are formed in the other end of the screening cavity machine body, a cleaning device is slidably installed at the position of each layer of screen mesh in the length direction of the screening cavity machine body, and the cleaning devices clean the upper faces and the lower faces of the screen meshes at the same time; the roller brush rotates to brush the screen, the first dust suction nozzle is used for sucking brushed dust, the elastic separation wheel assemblies at the two ends prevent dust in the cleaning device from leaking outwards, efficient cleaning of the screen is completed, meanwhile, the cleaning device is in transmission connection with the stepping motor, the stepping motor drives the cleaning device to move for automatic cleaning, and the labor cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of material sorting equipment technology, specifically a wood shavings super screen. Background Technology

[0002] In the processing of particleboard, the wood shavings after the drying process need to be screened. Typically, the wood shavings need to be screened according to different shaving shapes into large shavings, surface shavings, core shavings, and fine particles, so that they can be used in the next step of the installation process according to the requirements. Therefore, the screening of wood shavings is a crucial process step.

[0003] However, during the screening process of wood shavings, it is easy for wood shavings to clog the screen mesh. Furthermore, since wood shavings are small in size, they tend to accumulate in the screen. When different types of wood shavings need to be screened, they can easily contaminate each other, resulting in impure screening quality. Therefore, the screen needs to be cleaned, but manual cleaning inside the screening machine is usually time-consuming and labor-intensive.

[0004] Therefore, a super sieve for wood shavings is needed. Utility Model Content

[0005] The purpose of this invention is to provide a super sieve for wood shavings to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A wood shavings super sieve includes a base, characterized in that: the top of the base is connected to a screening chamber body via a swing connecting frame; one end of the screening chamber body is connected to a wood shavings inlet; the screening chamber body has three layers of screens inclined downwards from one end of the wood shavings inlet to the other end; the other end forms three outlets corresponding to the three layers of screens; each layer of screens is slidably equipped with a cleaning device along the length of the screening chamber body; the cleaning device cleans both the upper and lower surfaces of the screens simultaneously.

[0008] Preferably, the cleaning device includes a mounting frame slidably mounted on the screening chamber body along the length of the screening chamber body. The mounting frame is rotatably provided with elastic spacer wheel assemblies at both ends along the length of the screening chamber body. A roller brush that is driven to the roller brush driver is also installed in the mounting frame. A first dust suction nozzle is formed next to the roller brush and fixedly connected in the mounting frame. The roller brush scrapes the screen while the first dust suction nozzle absorbs the dust scraped off.

[0009] Preferably, the elastic isolation wheel assembly further comprises a telescopic rod fixed at one end in the mounting frame, the other end of the telescopic rod being rotatably connected to the isolation wheel, a compression spring being sleeved in the telescopic rod and abutting against the mounting frame, the compression spring being used for keeping the isolation wheel pressed against the screen.

[0010] Preferably, the mounting frame is further provided with a high-pressure blowing nozzle for blowing air to clean the screen, and is further provided with a dust collecting device opposite to the high-pressure blowing nozzle and arranged in the mounting frame, a second dust suction nozzle being further formed beside the dust collecting device and fixedly connected to the mounting frame, the second dust suction nozzle being used for sucking the dust in the dust collecting device.

[0011] Preferably, the dust collecting device comprises a dust guiding shovel fixedly connected to the mounting frame, the dust guiding shovel being used for guiding the airflow when the high-pressure blowing nozzle blows air to clean, and the dust guiding shovel is provided with a dust collecting hollow body at the abdomen, the dust collecting hollow body being used for accumulating the dust in the airflow.

[0012] Preferably, the mounting frame is provided with an extension transmission connecting rod at one end, the extension transmission connecting rod being transmissionally connected to and driven to slide by the stepping motor.

[0013] Preferably, the screening cavity body is transmissionally connected to the swing motor with an eccentric shaft.

[0014] Preferably, the three discharge outlets are respectively a first discharge outlet, a second discharge outlet and a third discharge outlet, which are independently communicated with the three screens.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a three-layer screen is arranged in the screening cavity body for screening different size of shavings, and the three-layer screen is slidably provided with a cleaning device, the cleaning device comprises an elastic isolation wheel assembly arranged at both ends of the mounting frame, the mounting frame is further provided with a roller brush and a first dust suction nozzle, the roller brush rotates to brush the screen and sucks the dust brushed by the first dust suction nozzle, the elastic isolation wheel assembly at both ends prevents the dust in the cleaning device from leaking out, and the cleaning device is transmissionally connected to the stepping motor, the stepping motor drives the cleaning device to move for automatic cleaning, thereby reducing the labor cost.

[0017] 2. The utility model discloses a high-pressure blowing nozzle and a dust collecting device are further arranged in the mounting frame, the high-pressure blowing nozzle blows the screen, the dust blown up is accumulated in the dust collecting device along with the airflow, and the dust is cleaned away by the second dust suction nozzle, the high-pressure blowing nozzle and the dust collecting device cooperate with the roller brush to clean more efficiently and without dead angle. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view in the first perspective of the utility model.

[0019] Figure 2 For Figure 1 A local enlarged view of the middle;

[0020] Figure 3 For the front view of the utility model;

[0021] Figure 4 For the front view of the cleaning device in the cleaning state;

[0022] Figure 5 For the three-dimensional structure schematic view of the cleaning device under the second perspective;

[0023] Figure 6 For the three-dimensional structure schematic view of the cleaning device under the third perspective;

[0024] Figure 7 For the front view of the cleaning device.

[0025] In the figure: 1 - base; 11 - swing motor; 2 - swing connecting frame; 3 - screening cavity body; 4 - shaving feeding port; 5 - first discharge port; 6 - second discharge port; 7 - third discharge port; 8 - cleaning device; 81 - mounting frame; 82 - elastic isolation wheel assembly; 821 - telescopic rod; 822 - isolation wheel; 823 - pressure spring; 83 - roller brush; 831 - roller brush driver; 84 - first dust suction nozzle; 85 - second dust suction nozzle; 86 - high-pressure blowing nozzle; 87 - dust collecting device; 871 - dust collecting hollow body; 872 - dust guiding shovel; 88 - transmission connecting rod; 9 - stepping motor; 10 - screen. DETAILED DESCRIPTION

[0026] 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.

[0027] In the production process of shaving board, the shaving wood needs to be screened into different sizes of shavings, which are usually divided into surface shavings, core shavings and fine materials; as the name implies, the surface shavings are used for the surface of the subsequent paving into shaving board, and usually the relatively coarse shavings are used, the core shavings are used for the core of the shaving board, and the core shavings are relatively fine in size, therefore, the screening of shaving wood is crucial, and each link needs to be ensured to ensure the quality.

[0028] For example, Figure 1 And Figure 3As shown in the utility model is a kind of super screening of shaving, including the base 1 for installing super screen, specifically, the base 1 top is connected screening cavity machine body 3 by swinging connecting frame 2, swinging connecting frame 2 is as the support of supporting screening cavity machine body 3, simultaneously, swinging connecting frame 2 has certain activity elasticity, when screening cavity machine body 3 is shaken, screening cavity machine body 3 can be shaken without jamming;Further, as shown in Figure 3 As shown, the screening cavity machine body 3 is transmission connected with eccentric shaft swinging motor 11, by eccentric shaft swinging motor 11, screening cavity machine body 3 can be automatically driven to swing and constantly move the shaving wood material for screening;Further, the screening cavity machine body 3 one end is provided with shaving feeding port 4, and the shaving feeding port 4 is used to add shaving wood material to the screening cavity machine body 3;Further, the screening cavity machine body 3 is provided with three layers of screen 10, which are inclined downward from one end of the shaving feeding port 4 to the other end, and the other end forms three discharge ports corresponding to the three layers of screen 10, and the screen 10 is inclined to the discharge port to provide a sliding trend for the shaving wood material therein, and the inclination angle is generally not large, preferably two degrees with the horizontal, it is easy to know that the mesh size of the three layers of screen 10 is different, the mesh size of the uppermost layer of screen 10 is the largest, and the mesh size of the lowermost layer of screen 10 is the smallest;Further, the three discharge ports are respectively first discharge port 5, second discharge port 6 and third discharge port 7, which are independently connected with the three layers of screen 10, specifically, the uppermost layer of screen 10 is connected with the first discharge port 5, and the lowermost layer of screen 10 is connected with the third discharge port 7, and the discharge port is used to guide the screened shaving material.

[0029] Further, as shown in Figure 1 、 Figure 2 and Figure 3 Each layer of screen 10 is slidably provided with cleaning device 8 along the length direction of screening cavity machine body 3, and the cleaning device 8 simultaneously cleans the upper and lower surfaces of screen 10, specifically, the upper and lower surfaces of each layer of screen 10 are simultaneously provided with two groups of cleaning devices 8, and the two groups of cleaning devices 8 cover the upper and lower surfaces of the layer of screen 10, more specifically, as shown in Figure 4 、 Figure 5 、 Figure 6 and Figure 7As shown, the cleaning device 8 includes a mounting frame 81 slidably mounted on the screening cavity body 3 along the length direction of the screening cavity body 3, and the mounting frame 81 is rotatably provided with an elastic isolation wheel assembly 82 at both ends along the length direction of the screening cavity body 3, which needs to have a certain compression elastic force to keep close contact with the upper and lower surfaces of the screen 10, because the dust in the space covered by the two sets of cleaning device 8 will be brushed or blown up when the dust is cleaned, the elastic isolation wheel assembly 82 is provided to make the dust brushed or blown up in the space, and the dust is easily absorbed, so that the mounting frame 81 is further provided with a roller brush 83 connected to a roller brush driver 831, and a first dust suction nozzle 84 is further formed beside the roller brush 83 and fixedly connected to the mounting frame 81, the roller brush driver 831 is started to drive the roller brush 83 to rotate and brush the screen 10, and the dust brushed on the screen 10 will be separated from the screen 10 and spread in the air, and at this time, the dust is sucked by the first dust suction nozzle 84, so that the roller brush 83 can brush the screen 10 and the dust brushed off can be sucked by the first dust suction nozzle 84, so that the cleaning is more timely and efficient, and the dust brushed up by the roller brush 83 is not absorbed in time and falls back to the screen 10.

[0030] More specifically, as shown in Figure 4 and Figure 7 The elastic isolation wheel assembly 82 further includes a telescopic rod 821 fixed at one end in the mounting frame 81, and a separation wheel 822 rotatably connected to the other end of the telescopic rod 821, wherein the separation wheel 822 is a cylindrical elastic roller, and extends from the front end to the rear end of the mounting frame 81, so that the mounting frame 81 and the position covered by the mounting frame 81 form a closed space, and the dust brushed up in the closed space can only move in the space, greatly reducing the dust flying range and facilitating the absorption of the first dust suction nozzle 84; further, the telescopic rod 821 is sleeved with a pressure spring 823 abutting to the mounting frame 81 at one end, and the other end of the pressure spring 823 abuts to the movable rod of the telescopic rod 821, so that the separation wheel 822 has a certain compression elasticity, and the pressure spring 823 is used to keep the contact force of the separation wheel 822 pressing the screen 10, that is, the separation wheel 822 keeps close contact with the screen 10 when rolling on the screen 10, so as to achieve stable sealing effect.

[0031] It is easy to know that when the roller brush 83 in the cleaning device 8 is brushed, it is usually preferred to use the bristles of the roller brush 83 to physically brush the screen 10, because the movement track of the roller brush 83 is determined, so that there are always some dead angles on the screen 10 that cannot be brushed, therefore, the embodiment adopts a combination of physical brushing and high-pressure air washing to further improve the cleaning effect of the screen 10, and specifically, as shown in Figure 4 ,Figure 6 and Figure 7 As shown in the drawings, the mounting frame 81 is further provided with a high-pressure blowing nozzle 86 for blowing air to clean the screen 10, and a dust collecting device 87 opposite to the high-pressure blowing nozzle 86 and arranged in the mounting frame 81, the high-pressure blowing nozzle 86 is used to blow the accumulated dust on the screen 10, the airflow of the high-pressure blowing nozzle 86 moves towards the dust collecting device 87, the dust collecting device 87 is used to precipitate the dust in the airflow, and the structure of the dust collecting device 87 is further optimized, the dust collecting device 87 comprises a dust guide shovel 872 fixedly connected in the mounting frame 81, the dust guide shovel 872 is used to guide the airflow when the high-pressure blowing nozzle 86 blows air to clean, and the dust guide shovel 872 is provided with a dust collecting hollow body 871 in the abdomen, the dust collecting hollow body 871 is used to accumulate the dust in the airflow, the hollow of the dust collecting hollow body 871 has the effect of blocking the airflow, so as to precipitate the dust particles, further, a second dust suction nozzle 85 is further formed in the dust collecting device 87 and fixedly connected in the mounting frame 81, the second dust suction nozzle 85 is used to suck the dust in the dust collecting device 87, and the dust collecting device 87 is used to accumulate the dust for the second dust suction nozzle 85 to suck.

[0032] The screen 10 is cleaned in a double way by the cooperation of the roller brush 83 and the high-pressure blowing nozzle 86, so that the overall cleaning effect can be greatly achieved.

[0033] Further optimization, as shown in the drawings, Figure 1 , Figure 2 , Figure 4 and Figure 7 As shown in the drawings, the mounting frame 81 extends a transmission connecting rod 88 at one end, and the tail end of the transmission connecting rod 88 forms a threaded hole, specifically, after the mounting frame 81 is installed into the screening cavity body 3, the transmission connecting rod 88 extends to the outside of the screening cavity body 3 through the sliding hole formed on the side of the screening cavity body 3, therefore, a stepping motor 9 is installed outside the screening cavity body 3, the stepping motor 9 is threadedly connected to the threaded hole of the transmission connecting rod 88, drives the transmission connecting rod 88 to slide, so as to drive the cleaning device 8 to slide and clean, realizes the automation of cleaning the screen 10, has high efficiency and saves labor cost.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A super shaver comprising a base (1), characterized in that: The base (1) top is connected with the screening cavity body (3) through the swing connecting frame (2), one end of the screening cavity body (3) is provided with the shavings feeding port (4) in communication, three layers of screen meshes (10) are arranged in the screening cavity body (3) and are inclined downward from one end to the other end of the shavings feeding port (4), the other end forms three discharge ports in communication with the three layers of screen meshes (10) respectively, and the cleaning device (8) is slidably arranged on each screen mesh (10) along the length direction of the screening cavity body (3).

2. A super-screener according to claim 1, characterized in that: The cleaning device (8) comprises a mounting frame (81) slidably arranged on the screening cavity body (3) along the length direction of the screening cavity body (3), elastic spacer wheel assemblies (82) are rotatably arranged at both ends of the mounting frame (81) along the length direction of the screening cavity body (3), a roller brush (83) driven by a roller brush driver (831) is further arranged in the mounting frame (81), a first dust suction nozzle (84) fixedly connected to the mounting frame (81) is further arranged beside the roller brush (83), and the roller brush (83) scrapes the screen mesh (10) while absorbing the dust scraped off by the first dust suction nozzle (84).

3. A super-screener according to claim 2, wherein: The elastic spacer wheel assembly (82) further comprises a telescopic rod (821) fixed to one end of the mounting frame (81), a spacer wheel (822) rotatably connected to the other end of the telescopic rod (821), and a pressure spring (823) abutting to the mounting frame (81) is sleeved in the telescopic rod (821), and the pressure spring (823) is used for maintaining the contact force of the spacer wheel (822) pressing the screen mesh (10).

4. A fluff super-sieve according to claim 3, characterized in that: The mounting frame (81) is further provided with a high-pressure blowing nozzle (86) for blowing air to clean the screen mesh (10), and a dust collecting device (87) opposite to the high-pressure blowing nozzle (86) and arranged in the mounting frame (81) is further arranged, a second dust suction nozzle (85) fixedly connected to the mounting frame (81) is further arranged beside the dust collecting device (87), and the second dust suction nozzle (85) is used for absorbing the dust in the dust collecting device (87).

5. A super-screener according to claim 4, characterized in that: The dust collecting device (87) comprises a dust guide shovel (872) fixedly connected to the mounting frame (81), the dust guide shovel (872) is used for guiding the airflow when the high-pressure blowing nozzle (86) blows air to clean, and a dust collecting hollow body (871) is arranged in the abdomen of the dust guide shovel (872), and the dust collecting hollow body (871) is used for accumulating the dust in the airflow.

6. A super-screener according to claim 5, wherein: One end of the mounting frame (81) extends a transmission connecting rod (88), the transmission connecting rod (88) is transmissionally connected to and driven by the stepping motor (9) to slide.

7. A fluff super-sieve according to any one of claims 1 to 6, characterized in that: The screening cavity body (3) is transmissionally connected with the swing motor (11) with an eccentric shaft.

8. A fluff super-sieve according to any one of claims 1 to 6, characterized in that: The three discharge ports are a first discharge port (5), a second discharge port (6) and a third discharge port (7) in communication with the three layers of screen meshes (10) respectively.

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