Wood fiber feeding mechanism

Abstract

The wood fiber feeding mechanism comprises a drying mechanism and a conveying mechanism, the drying mechanism comprises a hot air cylinder and a drying cylinder, a feeding pipe and a discharging pipe are arranged at the top and the bottom of the drying cylinder respectively, an electromagnetic valve is installed at the joint of the drying cylinder and the discharging pipe, and the conveying mechanism is connected with the hot air cylinder. An air inlet pipe and an exhaust pipe are arranged on the hot air cylinder, an air heater is installed on one side of the drying mechanism, and a hot air pipeline of the air heater is connected with the air inlet pipe; the conveying mechanism comprises a conveying pipeline, the inlet end of the conveying pipeline is connected with the discharging pipe, the drying mechanism is additionally arranged at the inlet end of the conveying mechanism, and therefore before wood fiber materials are fed through the conveying mechanism, the materials can be effectively dried, moisture in the materials can be removed, and the wall sticking phenomenon is prevented; the conveying efficiency is improved; and machine damage is prevented.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of wood fiber processing, in particular to a wood fiber feeding mechanism. Background Art

[0002] Wood fiber is made from small-diameter branches left over from felling, wood processing residues or other non-wood plant fiber raw materials. It is processed by peeling, chipping, screening, washing, etc. and then subjected to thermal grinding and defibration according to the requirements of fiber technology and equipment.

[0003] After searching, the patent with publication number CN204280715U provides a positive pressure wood fiber feeding device, which uses positive pressure air supply to quantitatively convey wood fibers with a large lift into a pre-pressed barrel in a sealed state, solving the problems of environmental pollution, equipment damage, and health impact in the previous wood fiber conveying process. However, wood fiber materials usually have a certain amount of moisture attached to them, and the materials themselves have a certain degree of viscosity. Therefore, in the process of large-scale conveying, it is easy to stick to the wall, which not only affects the conveying efficiency, but also makes it inconvenient for subsequent machine cleaning. In severe cases, it may even cause the machine to stop working or be damaged. Utility Model Content

[0004] The utility model mainly provides a wood fiber feeding mechanism to solve the technical problems raised in the above background technology.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A wood fiber feeding mechanism comprises a drying mechanism and a conveying mechanism, wherein the drying mechanism comprises a hot air cylinder and a drying cylinder, wherein both the hot air cylinder and the drying cylinder are hollow structures, wherein the drying cylinder is located inside the hot air cylinder, wherein a feed pipe and a discharge pipe are respectively arranged at the top and the bottom of the drying cylinder, wherein both the feed pipe and the discharge pipe are penetrated to the outside of the hot air cylinder, and an electromagnetic valve is installed at the connection between the drying cylinder and the discharge pipe, wherein an air inlet pipe and an air exhaust pipe are arranged on the hot air cylinder, and a hot air blower is installed at one side of the drying mechanism, wherein the hot air duct of the hot air blower is connected to the air inlet pipe;

[0007] The conveying mechanism comprises a conveying pipeline, and the inlet end of the conveying pipeline is connected to the discharge pipe.

[0008] Furthermore, a rotating motor is installed on the rear side of the hot air cylinder, and the output shaft of the rotating motor passes through the drying cylinder and is connected to a rotating shaft roller, and a plurality of paddles are installed on the rotating shaft roller in a circumferential distribution.

[0009] Furthermore, a plurality of strip grooves are arranged at equal distances on the plurality of the dial plates.

[0010] Furthermore, a temperature sensor is installed on the hot air cylinder.

[0011] Furthermore, the conveying mechanism also includes a conveying auger rotatably connected to the inside of the conveying pipeline and a driving motor installed outside the conveying pipeline and connected to the conveying auger.

[0012] Furthermore, the hot air duct of the hot air blower is connected to the air inlet pipe and the inlet end of the conveying duct is connected to the discharge pipe through a flange and a plurality of fixing bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The device adds a drying mechanism at the inlet end of the conveying mechanism, so that the wood fiber material can be effectively dried to remove the internal moisture before being fed through the conveying mechanism. The double-cavity structure of the hot air cylinder and the drying cylinder cooperates with the rotating shaft roller and the paddle element to rotate and paddle the wood fiber material to dry it, thereby ensuring the drying effect, preventing the wall from sticking, improving the conveying efficiency and preventing machine damage.

[0015] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the hot air cylinder of the utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the drying drum area structure of the utility model;

[0019] Figure 4 It is a schematic cross-sectional view of the conveying mechanism structure of the utility model.

[0020] In the figure: 10, drying mechanism; 11, hot air cylinder; 111, air inlet pipe; 112, exhaust pipe; 12, drying cylinder; 121, feed pipe; 122, discharge pipe; 13, solenoid valve; 14, rotating shaft roller; 15, paddle; 20, conveying mechanism; 21, conveying pipeline; 22, conveying auger; 23, driving motor; 30, hot air blower; 40, temperature sensor. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] For examples, please refer to the attached Figure 1-4 A wood fiber feeding mechanism comprises a drying mechanism 10 and a conveying mechanism 20, wherein the drying mechanism 10 comprises a hot air cylinder 11 and a drying cylinder 12, wherein both the hot air cylinder 11 and the drying cylinder 12 are hollow structures, wherein the drying cylinder 12 is located inside the hot air cylinder 11, wherein a feed pipe 121 and a discharge pipe 122 are respectively arranged at the top and the bottom of the drying cylinder 12, wherein the feed pipe 121 and the discharge pipe 122 are both penetrated to the outside of the hot air cylinder 11, and a solenoid valve 13 is installed at the connection between the drying cylinder 12 and the discharge pipe 122, wherein an air inlet pipe 111 and an exhaust pipe 112 are arranged on the hot air cylinder 11, and a hot air blower 30 is installed at one side of the drying mechanism 10, wherein the hot air duct of the hot air blower 30 is connected to the air inlet pipe 111;

[0025] The conveying mechanism 20 includes a conveying pipeline 21 , and an inlet end of the conveying pipeline 21 is connected to the discharge pipe 122 .

[0026] For details, please refer to the attached Figure 3 A rotating motor is installed at the rear side of the hot air cylinder 11, and the output shaft of the rotating motor penetrates into the drying cylinder 12 and is connected to a rotating shaft roller 14, on which a plurality of paddles 15 are installed in a circumferential distribution;

[0027] Furthermore, a plurality of strip grooves are arranged at equal distances on the plurality of the dial plates 15;

[0028] In this embodiment, it should be noted that, through the operation of the rotating motor, the rotating shaft roller 14 can drive the multiple paddles 15 to rotate, thereby driving the wood fibers to rotate through the paddles 15, thereby preventing the wood fibers from accumulating and causing some of them to sink to the bottom or the internal wood fibers from being unable to be effectively dried, causing them to enter the conveying mechanism 20 and stick to the inner wall. The strip grooves on the paddles 15 can make the areas between the paddles 15 interconnected, thereby facilitating the flipping of the wood fibers.

[0029] For details, please refer to the attached Figure 3 , a temperature sensor 40 is installed on the hot air cylinder 11;

[0030] In this embodiment, it should be noted that the electrical components of the device are electrically connected to a conventional PLC controller, and the temperature sensor 40 can adopt a sensor of model VD-KZ. The temperature sensor 40 can detect the internal temperature of the hot air cylinder 11, thereby adjusting it to a suitable wood fiber drying temperature.

[0031] For details, please refer to the attached Figure 4 The conveying mechanism 20 further includes a conveying auger 22 rotatably connected to the inside of the conveying pipe 21 and a driving motor 23 installed outside the conveying pipe 21 and connected to the conveying auger 22;

[0032] In this embodiment, it should be noted that, through the operation of the driving motor 23, the wood fibers can be delivered to the processing location evenly and at a constant speed.

[0033] For details, please refer to the attached Figure 4 The hot air duct of the hot air blower 30 is connected to the air inlet pipe 111 and the inlet end of the conveying pipe 21 is connected to the discharge pipe 122 through flanges and multiple fixing bolts.

[0034] In this embodiment, it should be noted that the hot air blower 30 and the drying mechanism 10 and the conveying mechanism 20 can be disassembled by removing the fixing bolts on the flange, so as to facilitate targeted replacement or maintenance of each mechanism.

[0035] The specific operation mode of the utility model is as follows:

[0036] First, the wood fiber material is injected into the drying cylinder 12 from the feed pipe 121. At this time, the solenoid valve 13 is in a closed state. At the same time, the hot air blower 30 is operating to inject hot air into the hot air cylinder 11 through the air inlet pipe 111. At the same time, the rotating motor is operating to rotate the paddle 15 on the rotating shaft roller 14 to paddle the wood fiber material to effectively dry it. After drying, the solenoid valve 13 is opened, and the drive motor 23 is operating to transport the wood fiber material to the processing area through the conveying auger 22.

[0037] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A wood fiber feeding mechanism, comprising a drying mechanism (10) and a conveying mechanism (20), characterized in that: The drying mechanism (10) comprises a hot air cylinder (11) and a drying cylinder (12), both of which are hollow structures, the drying cylinder (12) being located inside the hot air cylinder (11), the top and bottom of the drying cylinder (12) being respectively provided with a feed pipe (121) and a discharge pipe (122), the feed pipe (121) and the discharge pipe (122) both being passed through the outside of the hot air cylinder (11), and a solenoid valve (13) being installed at the connection between the drying cylinder (12) and the discharge pipe (122), the hot air cylinder (11) being provided with an air inlet pipe (111) and an air outlet pipe (112), a hot air blower (30) being installed on one side of the drying mechanism (10), and the hot air duct of the hot air blower (30) being connected to the air inlet pipe (111); The conveying mechanism (20) comprises a conveying pipeline (21), and the inlet end of the conveying pipeline (21) is connected to the discharge pipe (122).

2. A wood fiber feeding mechanism according to claim 1, characterized in that: A rotating motor is installed on the rear side of the hot air cylinder (11), the output shaft of the rotating motor penetrates into the drying cylinder (12) and is connected to a rotating shaft roller (14), and a plurality of paddles (15) are installed on the rotating shaft roller (14) in a circumferentially distributed manner.

3. A wood fiber feeding mechanism according to claim 2, characterized in that: A plurality of strip grooves are arranged at equal distances on the plurality of dial plates (15).

4. A wood fiber feeding mechanism according to claim 1, characterized in that: A temperature sensor (40) is installed on the hot air cylinder (11).

5. A wood fiber feeding mechanism according to claim 1, characterized in that: The conveying mechanism (20) further comprises a conveying auger (22) rotatably connected to the inside of the conveying pipeline (21) and a driving motor (23) installed outside the conveying pipeline (21) and connected to the conveying auger (22).

6. A wood fiber feeding mechanism according to claim 1, characterized in that: The hot air duct of the hot air blower (30) is connected to the air inlet pipe (111), and the inlet end of the conveying pipe (21) is connected to the discharge pipe (122) via flanges and a plurality of fixing bolts.

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