Screening device for biomass fuel rods before bagging

Abstract

The utility model belongs to the technical field of screening devices, and particularly relates to a biomass fuel rod pre-bagging screening device which comprises a screening machine and biomass fuel rods, screening grooves with different lengths are formed in a conveying panel of the screening machine, the screening grooves are distributed in the conveying panel of the screening machine from top to bottom in a short-to-long mode, and the screening grooves are arranged in the conveying panel of the screening machine. The screening grooves are distributed side by side in a long-short mode so that the situation that the biomass fuel rods are omitted can be prevented. Biomass fuel rods can be conveniently and uniformly discharged, the situation that part of defective products cannot be effectively screened out due to mutual accumulation of a large number of products is avoided, stable screening operation is guaranteed, high-efficiency production operation is facilitated, meanwhile, the situation that part of short-distance biomass fuel rods are missed can be effectively avoided, and the production efficiency is improved. And the biomass fuel rods with different lengths are distinguished and collected, so that the biomass fuel rods can be conveniently packaged and used subsequently, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screening devices, in particular to a screening device before packaging of biomass fuel rods. Background Art

[0002] Biomass fuel rods are rod-shaped items made of biomass-rich straw, sawdust and other materials through special machinery. They can be used as boiler fuel instead of coal. They are made of pure pine and oak sawdust and are formed through mechanical extrusion. They have the characteristics of high combustion value, no pollution, and strong firepower. They are essential products for boiler fuel in hotels, baths, schools, shopping malls, etc.

[0003] At present, during the production of biomass combustion rods in the prior art, since the solid material extrusion-molded rod-shaped products are very easy to become loose during the extrusion molding process, resulting in the extruded products being of different lengths, affecting the subsequent packaging operation, and not conducive to efficient production operations;

[0004] In order to solve the above problems, the present application proposes a biomass fuel rod pre-packaging screening device. Utility Model Content

[0005] The purpose of the utility model is to provide a biomass fuel rod pre-packaging screening device, which solves the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0007] The utility model discloses a biomass fuel rod pre-packaging screening device, comprising a screening machine and biomass fuel rods, wherein screening slots of different lengths are provided inside a transmission panel of the screening machine, wherein the screening slots are distributed from short to long from top to bottom inside the transmission panel of the screening machine, and the long and short screening slots are distributed in parallel to prevent the biomass fuel rods from being missed, wherein a material hopper for storing biomass fuel rods is provided inside the upper end of the screening machine, and a storage box for classifying and collecting biomass fuel rods is provided inside the lower end of the screening machine, wherein a fan for applying wind force is provided on one side of the upper end of the screening machine, and a guide slope for automatically guiding the biomass fuel rods to the inside of the screening machine is provided at the bottom of the material hopper.

[0008] Furthermore, a protruding boss is provided on one side of the material hopper near the lower end, and a limiting shaft for uniformly conveying the biomass fuel rods to the surface of the transmission panel of the screening machine is provided on one side of the lower end of the material hopper.

[0009] Furthermore, a positioning shaft for evenly spreading the biomass fuel rods is provided on one side adjacent to the lower end of the material hopper.

[0010] Furthermore, a positioning groove for placing the biomass fuel rod is provided on the outer side of the limiting shaft, and the biomass fuel rod slides toward one end of the limiting shaft under the action of the wind force of the fan.

[0011] Furthermore, a paddle for moving the biomass fuel rods is disposed on the outer side of the positioning shaft, and the paddle rotates in the reverse direction to prevent the biomass fuel rods from piling up forward.

[0012] Furthermore, a protruding top plate is provided at the lower end of the boss, and the top plate is used to abut against one side of the limiting shaft to prevent the biomass fuel rod from falling prematurely.

[0013] Furthermore, a positioning platform for guiding the biomass fuel rods to the inside of the positioning groove is provided on one side of the bottom of the material hopper, and the inner surface of the protrusion and the lower surface of the material hopper form a sliding channel, which is used to prevent the biomass fuel rods from piling up during transportation.

[0014] The utility model has the following beneficial effects:

[0015] The utility model can evenly place the biomass fuel rods horizontally by moving the biomass fuel rods through the paddle, and then the front biomass fuel rods are squeezed by the biomass fuel rods at the rear so that the front biomass fuel rods automatically slide into the interior of the positioning groove, and then automatically discharge to the surface of the biomass fuel rods when they are rotated to a predetermined angle. At the same time, the wind force is applied by the fan so that the biomass fuel rods are transported close to one side of the screening machine, and finally screened by screening grooves of different positions and lengths. After this treatment, the biomass fuel rods can be evenly discharged, avoiding the situation that a large number of products are piled up and some defective products cannot be effectively screened out, ensuring the stable screening operation and facilitating the use of efficient production operations;

[0016] The utility model provides screening slots at different positions on the surface of the transmission panel of the screening machine, and can automatically screen the biomass fuel rods from short to long to different areas in sequence when the biomass fuel rods slide down, so that they fall into the storage box for classification and storage, and the biomass fuel rods at different transmission positions are screened by setting parallel short-distance screening slots, which effectively avoids omissions. Through this structure, biomass fuel rods of different lengths can be conveniently distinguished and collected, which is convenient for subsequent packaging and use to improve work efficiency.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the internal structure of the screening machine;

[0021] Figure 3 for Figure 1 Schematic diagram of the internal three-dimensional structure of the material hopper;

[0022] Figure 4 for Figure 1 Schematic diagram of the internal plane state structure of the material hopper;

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] In the figure: 1. Screening machine; 2. Biomass fuel rod; 3. Screening trough; 4. Material hopper; 5. Storage box; 6. Fan; 7. Guide slope; 8. Boss; 9. Limiting shaft; 10. Positioning shaft; 11. Positioning groove; 12. Paddle; 13. Top plate; 14. Positioning platform; 15. Sliding channel. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0027] See also Figure 1-4As shown, the utility model is a biomass fuel rod pre-packaging screening device, comprising a screening machine 1 and biomass fuel rods 2, the transmission panel of the screening machine 1 is provided with screening slots 3 of different lengths, the screening slots 3 are distributed from short to long from top to bottom inside the transmission panel of the screening machine 1, and the lengths of the screening slots 3 are distributed in parallel to prevent the biomass fuel rods 2 from being missed, a material hopper 4 for storing the biomass fuel rods 2 is provided inside the upper end of the screening machine 1, a storage box 5 for classifying and collecting the biomass fuel rods 2 is provided inside the lower end of the screening machine 1, a fan 6 for applying wind force is provided on one side of the upper end of the screening machine 1, and a guide slope 7 for automatically guiding the biomass fuel rods 2 to the inside of the screening machine 1 is provided at the bottom of the material hopper 4. In this embodiment, the biomass fuel rods 2 slide down along one side of the transmission panel of the screening machine 1 for screening, which can prevent the occurrence of misalignment that affects the screening effect.

[0028] Among them, a protruding boss 8 is arranged near the lower end of one side of the material hopper 4, and a limiting shaft 9 is arranged on the lower end side of the material hopper 4 for evenly conveying the biomass fuel rods 2 to the surface of the transmission panel of the screening machine 1. In this embodiment, the rotating conveying of the limiting shaft 9 can make the biomass fuel rods 2 be arranged in sequence, so that they can be evenly transported down for screening operations.

[0029] A positioning shaft 10 for evenly spreading the biomass fuel rods 2 is provided on one side adjacent to the lower end of the material hopper 4. In this embodiment, the positioning shaft 10 rotates in the opposite direction to the transmission direction.

[0030] Among them, a positioning groove 11 for placing the biomass fuel rod 2 is opened on the outer side of the limiting shaft 9. The biomass fuel rod 2 slides toward one end of the limiting shaft 9 under the action of the wind force of the fan 6. In this embodiment, the inner surface of the positioning groove 11 is set to a smooth surface to reduce the sliding resistance of the biomass combustion rod 2.

[0031] Among them, a paddle 12 for moving the biomass fuel rod 2 is arranged on the outer side of the positioning shaft 10. The paddle 12 rotates in the opposite direction to prevent the biomass fuel rod 2 from stacking forward. In this embodiment, the paddle 12 is used to arrange the biomass fuel rods 2 at the bottom in a single layer.

[0032] A protruding top plate 13 is provided at the lower end of the protruding seat 8 , and the top plate 13 is used to abut against one side of the limiting shaft 9 to prevent the biomass fuel rod 2 from falling off prematurely.

[0033] Among them, a positioning platform 14 is provided on one side of the bottom of the material hopper 4 for guiding the biomass fuel rod 2 to the inside of the positioning groove 11, and the inner surface of the protrusion 8 and the lower surface of the material hopper 4 form a sliding channel 15, which is used to prevent the biomass fuel rod 2 from piling up during transportation.

[0034] It can be understood that the utility model can conveniently and evenly feed the biomass fuel rods 2, avoid the situation where a large number of products are piled up and some defective products cannot be effectively screened out, ensure the stable screening operation and facilitate efficient production operations. At the same time, it can also effectively avoid the omission of some short-distance biomass fuel rods 2, and distinguish and collect biomass fuel rods 2 of different lengths, which is convenient for subsequent packaging and use to improve work efficiency.

[0035] A specific application of this embodiment is: the utility model can make the accumulated biomass fuel rods 2 evenly spread out and placed horizontally to the rear after being moved by the paddle 12 arranged at one side of the lower end of the material hopper 4, and then be squeezed by the biomass fuel rods 2 at the rear so that the front biomass fuel rods 2 automatically slide into the positioning groove 11 outside the limiting shaft 9 after being guided by the positioning platform 14, and then automatically discharged to the surface of the biomass fuel rods 2 when the limiting shaft 9 rotates to a predetermined angle. At the same time, the fan 6 arranged at the outside of one end of the screening machine 1 is used to apply wind force, which can push the biomass fuel rods 2 when rotating and conveying, so that the biomass fuel rods 2 slide in the positioning groove 11 and are conveyed close to one side of the screening machine 1, and finally are screened by the screening slots 3 of different positions and lengths. After this treatment, the biomass fuel rods 2 can be conveniently separated. The biomass fuel rods 2 are evenly fed, so as to avoid the situation that a large number of products are piled up and some defective products cannot be effectively screened out, thereby ensuring the stable progress of the screening operation and facilitating the use of efficient production operations; further, screening slots 3 at different positions are opened on the surface of the transmission panel of the screening machine 1, and the screening slots 3 of different lengths are arranged in sequence, so that when the biomass fuel rods 2 slide down, they can be automatically screened from short to long to different areas in sequence, so that they fall into the storage box 5 on the inner side of the lower end of the screening machine 1 for classified storage, and through the parallel short-distance screening slots 3, the biomass fuel rods 2 at different transmission positions can be screened, effectively avoiding the situation that some short-distance biomass fuel rods 2 are missed. Through this structure, the biomass fuel rods 2 of different lengths can be conveniently distinguished and collected, which is convenient for subsequent packaging and use to improve work efficiency.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A biomass fuel rod pre-packaging screening device, comprising a screening machine (1) and a biomass fuel rod (2), characterized in that: The transmission panel of the screening machine (1) is provided with screening slots (3) of different lengths. The screening slots (3) are distributed from short to long from top to bottom inside the transmission panel of the screening machine (1). The long and short screening slots (3) are arranged in parallel to prevent the biomass fuel rods (2) from being missed. A material hopper (4) for storing the biomass fuel rods (2) is provided inside the upper end of the screening machine (1). A storage box (5) for classifying and collecting the biomass fuel rods (2) is provided inside the lower end of the screening machine (1). A fan (6) for applying wind force is provided on one side of the upper end of the screening machine (1). A guide slope (7) for automatically guiding the biomass fuel rods (2) into the screening machine (1) is provided at the bottom of the material hopper (4).

2. The biomass fuel rod pre-packaging screening device according to claim 1 is characterized by: A protruding boss (8) is provided on one side of the material hopper (4) adjacent to the lower end, and a limiting shaft (9) is provided on one side of the lower end of the material hopper (4) for uniformly conveying the biomass fuel rods (2) to the surface of the transmission panel of the screening machine (1).

3. The biomass fuel rod pre-packaging screening device according to claim 1 is characterized by: A positioning shaft (10) for evenly spreading the biomass fuel rods (2) is provided on one side adjacent to the lower end of the material hopper (4).

4. The biomass fuel rod pre-packaging screening device according to claim 2 is characterized by: A positioning groove (11) for placing the biomass fuel rod (2) is provided on the outer side of the limiting shaft (9), and the biomass fuel rod (2) slides toward one end of the limiting shaft (9) under the action of wind force of the fan (6).

5. The biomass fuel rod pre-packaging screening device according to claim 3 is characterized by: A paddle (12) for moving the biomass fuel rod (2) is arranged on the outer side of the positioning shaft (10); the paddle (12) rotates in the reverse direction to prevent the biomass fuel rod (2) from piling up forward.

6. The biomass fuel rod pre-packaging screening device according to claim 2, characterized in that: A protruding top plate (13) is provided at the lower end of the convex seat (8), and the top plate (13) is used to abut against one side of the limiting shaft (9) to prevent the biomass fuel rod (2) from falling prematurely.

7. The biomass fuel rod pre-packaging screening device according to claim 2, characterized in that: A positioning platform (14) for guiding the biomass fuel rod (2) to the inside of the positioning groove (11) is arranged on one side of the bottom of the material hopper (4); the inner surface of the protrusion (8) and the lower surface of the material hopper (4) form a sliding channel (15); and the sliding channel (15) is used to prevent the biomass fuel rod (2) from being piled up during transportation.

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