Wood chipping machine for producing biomass pellet fuel

Abstract

The utility model discloses a wood chipping machine for producing biomass particle fuel, which relates to the related field of biomass fuel production, and comprises a fixed frame, a wood chipping machine, a feeding mechanism, a storage box and a drying mechanism, and the right end of the top of the fixed frame is fixedly connected with the wood chipping machine; a feeding mechanism is fixedly connected to the upper portion of the front end of the wood chipper, the feeding mechanism is arranged, wood is clamped through a clamping plate, then the rotating speed of a first motor is controlled through a frequency converter, the wood is driven to move downwards, and the feeding speed of the wood is automatically controlled; the situation that energy consumption and equipment abrasion are increased during equipment operation due to too high or too low feeding speed is prevented; and a drying mechanism is arranged, chippings are dried through rotation of heat-conducting fins, excessive moisture is prevented from reducing the calorific value, density and viscosity of the biomass pellet fuel and affecting the combustion performance and the service life of the biomass pellet fuel, meanwhile, excessive moisture is prevented from easily affecting the later drying duration, and the processing efficiency of the biomass pellet fuel is improved.

Description

Technical Field

[0001] The utility model relates to the field related to biomass fuel production, in particular to a wood chipper used for producing biomass particle fuel. Background Art

[0002] Biomass fuel refers to a new type of clean fuel that is made by burning biomass materials as fuel and using agricultural and forestry waste as raw materials. It is made into various shapes and can be directly burned through processes such as crushing, mixing, extrusion, and drying. In the production process of existing biomass fuels, rotten wood or abandoned wood needs to be chipped. For this purpose, a wood chipper is set up for the production of biomass pellet fuel.

[0003] During the use of existing wood chippers, it is difficult to control the feeding speed of wood, and the feeding speed directly affects the key performance indicators of biomass pellet fuel products such as particle size and uniformity. Too fast or too slow feeding speed will increase the energy consumption of the equipment during operation, and too fast feeding speed may also cause increased equipment wear; existing wood chippers will produce a large amount of moisture in the process of chipping wood, and this moisture will reduce the calorific value, density and viscosity of the biomass pellet fuel, affecting its combustion performance and service life. At the same time, too much moisture can easily affect the subsequent drying time, thereby affecting the processing efficiency of the biomass pellet fuel. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a wood chipper for producing biomass pellet fuel.

[0005] The utility model is implemented in this way, constructing a wood chipper for producing biomass pellet fuel, the device comprises a fixed frame, the top right end of the fixed frame is fixedly connected to the wood chipper, the front end of the wood chipper is fixedly connected to a feeding mechanism, the top left end of the fixed frame is fixedly connected to a storage box, and the front end of the storage box is fixedly connected to a drying mechanism;

[0006] The feeding mechanism comprises a mounting frame, a mounting frame is fixedly connected to the top of the front end of the wood chipper; a first motor, the back of the mounting frame is fixedly connected to the first motor; a first turntable, the front end output shaft of the first motor is fixedly connected to the first turntable; a first convex rod, the front left side of the first turntable is fixedly connected to the first convex rod; a slide rod, the outer wall of the first convex rod is slidably connected to the center of the slide groove in the slide rod; a second convex rod, the left end of the slide groove in the slide rod is slidably connected to the outer wall of the second convex rod; a sliding rod, the back of the second convex rod is fixedly connected to the front end of the sliding rod; a first fixed plate, the top of the sliding rod is fixedly connected to the front end of the bottom of the first fixed plate; a telescopic rod, the bottom rear end of the first fixed plate is fixedly connected to the telescopic rod; a connecting plate, the front and rear sides of the right end of the top of the first fixed plate are fixedly connected to the connecting plate; a second motor, the front end of the connecting plate at the right front end of the first fixed plate is fixedly connected to the second motor; a bidirectional screw, the back output shaft of the second motor is fixedly connected to the bidirectional screw; a limiting rod, the back of the connecting plate at the right front end of the first fixed plate is fixedly connected to the limiting rod.

[0007] Preferably, the feeding mechanism also includes a clamping plate, the limiting rod passes through the clamping plate and is slidably connected to the inside thereof; an elastic plate, the clamping plate is provided with two groups, which are respectively arranged on the front and rear sides of the top of the first fixed plate, and the front end of the clamping plate at the rear end of the top of the first fixed plate is fixedly connected with an elastic plate.

[0008] Preferably, the drying mechanism includes a base plate, to which the front end of the storage box is fixedly connected; a second fixed plate, to which the right end of the top of the base plate is fixedly connected; a third motor, to which the right end of the second fixed plate is fixedly connected; a groove wheel, to which the output shaft at the left end of the third motor is fixedly connected; a spherical block, to which the spherical block is slidably connected inside the groove wheel; a second turntable, to which the spherical block is fixedly connected to the outer wall of the second turntable; and a bevel gear set, to which the top of the second turntable is fixedly connected.

[0009] Preferably, the drying mechanism further comprises a rotating rod, to which the back of the bevel gear on the back of the bevel gear set is fixedly connected; a heat conducting plate, to which four groups of heat conducting plates are equidistantly arranged on the outer wall of the rotating rod; and a heating plate, to which a heating plate is fixedly connected inside the heat conducting plate.

[0010] Preferably, the back of the first turntable is rotatably connected to the center of the front end of the mounting frame, and the right end of the back of the slide slot rod is rotatably connected to the right side of the front end of the mounting frame.

[0011] Preferably, the outer wall of the sliding rod is slidably connected to the left side of the front end of the mounting frame, and the front end of the telescopic rod is fixedly connected to the upper back of the wood chipper.

[0012] Preferably, a bidirectional screw is rotatably connected to the back of the right front end connecting plate of the first fixing plate, the bidirectional screw passes through the clamping plate and is connected to its internal thread, and the bottom of the clamping plate is slidably connected to the left end of the top of the first fixing plate.

[0013] Preferably, the bottom of the second turntable is rotatably connected to the center of the top of the base plate, a rotating rod is rotatably connected inside the storage box, and the back of the bevel gear on the back of the bevel gear set is rotatably connected to the front end of the storage box.

[0014] The utility model has the following advantages: The utility model provides a wood chipper for producing biomass pellet fuel through improvement, which has the following improvements compared with the same type of equipment:

[0015] The utility model discloses a wood chipper for producing biomass pellet fuel. A feeding mechanism is provided to clamp the wood by a clamping plate. A frequency converter is used to control the rotation speed of a first motor and drive the wood to move downward, thereby automatically controlling the feeding speed of the wood and preventing excessively fast or slow feeding speeds from increasing energy consumption and equipment wear during operation.

[0016] The utility model discloses a wood chipper for producing biomass pellet fuel. By setting a drying mechanism, the chips are dried by rotating the heat conducting plate, so as to prevent excessive moisture from reducing the calorific value, density and viscosity of the biomass pellet fuel and affecting its combustion performance and service life. At the same time, excessive moisture is prevented from affecting the subsequent drying time, so as to accelerate the processing efficiency of the biomass pellet fuel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the utility model wood chipper;

[0018] Figure 2 This is a three-dimensional structural diagram of the feeding mechanism of the utility model;

[0019] Figure 3 This utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the drying mechanism of the utility model.

[0021] Among them: fixed frame -1, wood chipper -2, feeding mechanism -3, mounting frame -31, first motor -32, first turntable -33, first protruding rod -34, sliding groove rod -35, second protruding rod -36, sliding rod -37, first fixed plate -38, telescopic rod -39, connecting plate -310, second motor -311, bidirectional screw -312, limiting rod -313, clamping plate -314, elastic plate -315, storage box -4, drying mechanism -5, bottom plate -51, second fixed plate -52, third motor -53, groove wheel -54, spherical block -55, second turntable -56, bevel gear set -57, rotating rod -58, heat conducting plate -59, heating plate -510. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1~Figure 4 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein 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 of the related listed items. Embodiment 1:

[0025] See also Figure 1~Figure 3 The utility model is a wood chipper for producing biomass pellet fuel, comprising a fixed frame 1, a wood chipper 2 is fixedly connected to the top right end of the fixed frame 1, a feeding mechanism 3 is fixedly connected to the top of the front end of the wood chipper 2, a storage box 4 is fixedly connected to the top left end of the fixed frame 1, and a drying mechanism 5 is fixedly connected to the front end of the storage box 4;

[0026] The feeding mechanism 3 comprises a mounting frame 31 , the mounting frame 31 is fixedly connected to the upper front end of the wood chipper 2 , the back of the mounting frame 31 is fixedly connected to a first motor 32 , and the first motor 32 is electrically connected to an external frequency converter.

[0027] The output shaft at the front end of the first motor 32 is fixedly connected to the first rotating disk 33, and the left side at the front end of the first rotating disk 33 is fixedly connected to the first protruding rod 34. The outer wall of the first protruding rod 34 is slidably connected to the center of the inner slide groove of the slide groove rod 35, and the first protruding rod 34 is convenient for driving the slide groove rod 35 to swing.

[0028] The left end of the inner slide groove of the slide groove rod 35 is slidably connected to the outer wall of the second protruding rod 36, the back of the second protruding rod 36 is fixedly connected to the front end of the sliding rod 37, the top of the sliding rod 37 is fixedly connected to the front end of the bottom of the first fixed plate 38, and the rear end of the bottom of the first fixed plate 38 is fixedly connected with a telescopic rod 39, so that the sliding rod 37 can easily drive the first fixed plate 38 to move.

[0029] The front and rear sides of the right end of the top of the first fixed plate 38 are fixedly connected with connecting plates 310, the front end of the right front end connecting plate 310 of the first fixed plate 38 is fixedly connected with a second motor 311, and the back output shaft of the second motor 311 is fixedly connected with a bidirectional screw 312, so that the second motor 311 can drive the bidirectional screw 312 to rotate.

[0030] The back of the right front end connecting plate 310 of the first fixing plate 38 is fixedly connected to a limiting rod 313, the limiting rod 313 passes through the clamping plate 314 and is slidably connected to the inside thereof, and the clamping plate 314 is provided with two groups, which are respectively arranged at the front and rear sides of the top of the first fixing plate 38, and the front end of the clamping plate 314 at the rear end of the top of the first fixing plate 38 is fixedly connected to an elastic plate 315, so that the clamping plate 314 is convenient for clamping wood.

[0031] The back of the first turntable 33 is rotatably connected to the center of the front end of the mounting frame 31, the right end of the back of the slide rod 35 is rotatably connected to the right side of the front end of the mounting frame 31, the outer wall of the sliding rod 37 is slidably connected to the left side of the front end of the mounting frame 31, and the front end of the telescopic rod 39 is fixedly connected to the upper back of the wood chipper 2. The first turntable 33 is convenient for driving the first protruding rod 34 to make a circular motion, and the first turntable 33 and the first protruding rod 34 are eccentrically arranged.

[0032] The back of the right front end connecting plate 310 of the first fixing plate 38 is rotatably connected with a bidirectional screw 312 , which passes through the clamping plate 314 and is connected with its internal thread. The bottom of the clamping plate 314 is slidably connected with the top left end of the first fixing plate 38 .

[0033] The working principle of a wood chipper for producing biomass pellet fuel based on the first embodiment is:

[0034] When it is necessary to feed wood, the second motor 311 is started, and the second motor 311 drives the bidirectional screw 312 to rotate, and the bidirectional screw 312 drives the two groups of clamping plates 314 to move toward each other on the outer wall of the limit rod 313, so that the distance between the two groups of clamping plates 314 is gradually shortened, so that the two groups of clamping plates 314 clamp the wood through the elastic plate 315, and then the first motor 32 is started, and the speed of the first motor 32 is controlled by the external frequency converter, the first motor 32 drives the first turntable 33 to rotate, and the first turntable 33 drives the first convex rod 34 to do a circular motion, and the first convex rod 34 drives the slide rod 35 to swing downward through the eccentric setting with the first turntable 33, the slide rod 35 drives the second protruding rod 36 to move downward, the second protruding rod 36 drives the sliding rod 37 to move downward on the left side of the front end of the mounting frame 31, the sliding rod 37 drives the first fixed plate 38 to move downward, and then the first fixed plate 38 drives the wood to move downward through the two sets of clamping plates 314, so as to realize automatic control of the feeding speed of the wood, prevent the feeding speed that is too fast or too slow from increasing the energy consumption and equipment wear during the operation of the equipment, and the wood is chipped by the wood chipper 2 during the feeding process. Embodiment 2:

[0035] See also Figure 4 The utility model is a wood chipper for producing biomass pellet fuel. Compared with the first embodiment, this embodiment also includes: a drying mechanism 5 includes a bottom plate 51, the front end of the storage box 4 is fixedly connected to the bottom plate 51, and the top right end of the bottom plate 51 is fixedly connected to a second fixed plate 52, and the second fixed plate 52 is convenient for fixing and installing the third motor 53.

[0036] The right end of the second fixed plate 52 is fixedly connected to a third motor 53 , and the output shaft of the left end of the third motor 53 is fixedly connected to a groove wheel 54 , so that the third motor 53 can drive the groove wheel 54 to rotate.

[0037] A spherical block 55 is slidably connected inside the groove wheel 54, and the spherical block 55 is fixedly connected to the outer wall of the second rotating disk 56. A bevel gear set 57 is fixedly connected to the top of the second rotating disk 56, so that the second rotating disk 56 can drive the bevel gear set 57 to rotate.

[0038] The back of the bevel gear at the back of the bevel gear set 57 is fixedly connected with a rotating rod 58, and four groups of heat conducting plates 59 are equidistantly arranged on the outer wall of the rotating rod 58. A heating plate 510 is fixedly connected inside the heat conducting plate 59, and the heating plate 510 is convenient for conducting heat to the heat conducting plate 59.

[0039] The bottom of the second turntable 56 is rotatably connected to the center of the top of the bottom plate 51 , a rotating rod 58 is rotatably connected inside the storage box 4 , and the back of the bevel gear at the back of the bevel gear set 57 is rotatably connected to the front end of the storage box 4 .

[0040] In this embodiment:

[0041] When the chips in the storage box 4 need to be dried after the wood is chipped, the third motor 53 and the heating plate 510 are started, and the third motor 53 drives the groove wheel 54 to rotate, and the groove wheel 54 drives the second turntable 56 to rotate through the sliding connection with the spherical block 55, and the second turntable 56 drives the bevel gear set 57 to rotate, and the bevel gear on the back of the bevel gear set 57 drives the rotating rod 58 to rotate, and the rotating rod 58 drives the heat conducting plate 59 to rotate, and then the heating plate 510 transfers the heat to the heat conducting plate 59, and the chips are dried by the rotation of the heat conducting plate 59, so as to prevent excessive moisture from reducing the calorific value, density and viscosity of the biomass pellet fuel and affecting its combustion performance and service life, and at the same time prevent excessive moisture from easily affecting the later drying time, so as to speed up the processing efficiency of the biomass pellet fuel.

[0042] The utility model provides a wood chipper for producing biomass pellet fuel through improvement, wherein a feeding mechanism 3 is provided, wood is clamped by a clamping plate 314, and the rotation speed of a first motor 32 is controlled by a frequency converter to drive the wood to move downward, thereby automatically controlling the feeding speed of the wood, and preventing too fast or too slow feeding speed from increasing energy consumption and equipment wear during equipment operation; a drying mechanism 5 is provided, and chips are dried by rotating a heat conducting plate 59, thereby preventing excessive moisture from reducing the calorific value, density and viscosity of the biomass pellet fuel and affecting its combustion performance and service life, and at the same time preventing excessive moisture from easily affecting the later drying time, thereby accelerating the processing efficiency of the biomass pellet fuel.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0044] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wood chipper for producing biomass pellet fuel, comprising a fixed frame (1), a wood chipper (2) being fixedly connected to the top right end of the fixed frame (1), a feeding mechanism (3) being fixedly connected to the top of the front end of the wood chipper (2), a storage box (4) being fixedly connected to the top left end of the fixed frame (1), and a drying mechanism (5) being fixedly connected to the front end of the storage box (4); Features: The feeding mechanism (3) comprises: a mounting frame (31), the mounting frame (31) being fixedly connected to the upper front end of the wood chipper (2); a first motor (32), the back of the mounting frame (31) being fixedly connected to the first motor (32); a first turntable (33), the front end output shaft of the first motor (32) being fixedly connected to the first turntable (33); a first convex rod (34), the left side of the front end of the first turntable (33) being fixedly connected to the first convex rod (34); a slide groove rod (35), the outer wall of the first convex rod (34) being slidably connected to the center of the inner slide groove of the slide groove rod (35); a second convex rod (36), the left end of the inner slide groove of the slide groove rod (35) being slidably connected to the outer wall of the second convex rod (36); and a sliding rod (37), the back of the second convex rod (36) being fixedly connected to the front end of the sliding rod (37). fixedly connected; a first fixed plate (38), the top of the sliding rod (37) is fixedly connected to the front end of the bottom of the first fixed plate (38); a telescopic rod (39), the rear end of the bottom of the first fixed plate (38) is fixedly connected to the telescopic rod (39); a connecting plate (310), the front and rear sides of the right end of the top of the first fixed plate (38) are fixedly connected to the connecting plate (310); a second motor (311), the front end of the right front end connecting plate (310) of the first fixed plate (38) is fixedly connected to the second motor (311); a bidirectional screw (312), the back output shaft of the second motor (311) is fixedly connected to the bidirectional screw (312); a limiting rod (313), the back of the right front end connecting plate (310) of the first fixed plate (38) is fixedly connected to the limiting rod (313).

2. A wood chipper for producing biomass pellet fuel according to claim 1, characterized in that: The feeding mechanism (3) further comprises: a clamping plate (314), the limiting rod (313) passing through the clamping plate (314) and being slidably connected thereto; and an elastic plate (315), the clamping plate (314) being provided with two groups, which are respectively arranged at the front and rear sides of the top of the first fixed plate (38), and the front end of the clamping plate (314) at the rear end of the top of the first fixed plate (38) is fixedly connected to the elastic plate (315).

3. A wood chipper for producing biomass pellet fuel according to claim 2, characterized in that: The drying mechanism (5) comprises: a bottom plate (51), to which the front end of the material storage box (4) is fixedly connected; a second fixed plate (52), to which the right end of the top of the bottom plate (51) is fixedly connected; a third motor (53), to which the right end of the second fixed plate (52) is fixedly connected; a groove wheel (54), to which the output shaft at the left end of the third motor (53) is fixedly connected; a spherical block (55), to which the spherical block (55) is slidably connected inside the groove wheel (54); a second rotating disk (56), to which the spherical block (55) is fixedly connected to the outer wall of the second rotating disk (56); and a bevel gear set (57), to which the top of the second rotating disk (56) is fixedly connected.

4. A wood chipper for producing biomass pellet fuel according to claim 3, characterized in that: The drying mechanism (5) further comprises: a rotating rod (58), the rotating rod (58) being fixedly connected to the back of the bevel gear at the back of the bevel gear set (57); a heat conducting sheet (59), four groups of heat conducting sheets (59) being equidistantly arranged on the outer wall of the rotating rod (58); and a heating sheet (510), the heating sheet (510) being fixedly connected inside the heat conducting sheet (59).

5. A wood chipper for producing biomass pellet fuel according to claim 4, characterized in that: The back of the first rotating disk (33) is rotatably connected to the center of the front end of the mounting frame (31), and the right end of the back of the sliding slot rod (35) is rotatably connected to the right side of the front end of the mounting frame (31).

6. A wood chipper for producing biomass pellet fuel according to claim 5, characterized in that: The outer wall of the sliding rod (37) is slidably connected to the left side of the front end of the mounting frame (31), and the front end of the telescopic rod (39) is fixedly connected to the upper back of the wood chipper (2).

7. A wood chipper for producing biomass pellet fuel according to claim 6, characterized in that: A bidirectional screw (312) is rotatably connected to the back of the right front end connecting plate (310) of the first fixing plate (38). The bidirectional screw (312) passes through the clamping plate (314) and is connected to its internal thread. The bottom of the clamping plate (314) is slidably connected to the left end of the top of the first fixing plate (38).

8. A wood chipper for producing biomass pellet fuel according to claim 7, characterized in that: The bottom of the second rotating disk (56) is rotatably connected to the center of the top of the bottom plate (51), a rotating rod (58) is rotatably connected inside the material storage box (4), and the back of the bevel gear at the back of the bevel gear set (57) is rotatably connected to the front end of the material storage box (4).

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