CN220048049U - Biomass particle forming machine - Google Patents

Abstract

The utility model provides a biomass particle forming machine, which comprises: a case; the ring die is arranged in the box body and provided with a plurality of forming holes penetrating through the side wall of the ring die; the compression roller assembly comprises a first end cover, a second end cover and a plurality of compression rollers which are arranged at intervals along the circumferential direction of the annular die, wherein the compression rollers are respectively arranged in the inner holes of the annular die in a penetrating mode, the first end cover and the second end cover are respectively positioned at two ends of the compression rollers, the first end cover is connected with the box body, and two ends of the compression rollers are respectively and rotatably connected with the first end cover and the second end cover; the driving shaft drives the ring die to rotate around the axis of the ring die, the driving shaft drives the plurality of press rollers to rotate around the respective axis, the outer side walls of the plurality of press rollers are arranged corresponding to the inner side walls of the ring die, a plurality of extrusion bosses are arranged on the outer side walls of the press rollers, and the extrusion bosses are arranged in one-to-one correspondence with the forming holes. The technical scheme provided by the utility model can solve the problem of lower processing efficiency of materials.

Description

Biomass particle forming machine

Technical Field

The utility model relates to the technical field of biomass particle processing equipment, in particular to a biomass particle forming machine.

Background

The biomass particles are formed by processing the crushed wood dust, crop straw or forestry waste and other raw materials, can be livestock feed of large farms, can be civil or industrial fuel, and have the advantages of convenient storage and transportation.

In the related art, a biomass particle forming machine is used for processing raw materials, the biomass particle forming machine comprises a press roller and a ring die, and the crushed raw materials enter a wedge-shaped compression area formed by the ring die and the press roller by utilizing the relative rotation of the press roller and the ring die so as to be extruded to form granular materials.

However, since the biomass particle forming machine in the related art includes only one press roller, the processing efficiency of the material is low.

Disclosure of Invention

The utility model provides a biomass particle forming machine, which aims to solve the problem of lower processing efficiency of materials in the related technology.

The utility model provides a biomass particle forming machine, which comprises: a case; the ring die is arranged in the box body and provided with a plurality of forming holes penetrating through the side wall of the ring die; the compression roller assembly comprises a first end cover, a second end cover and a plurality of compression rollers which are arranged at intervals along the circumferential direction of the ring die, wherein the compression rollers penetrate through an inner hole of the ring die and extend along the axial direction of the ring die, the first end cover and the second end cover are respectively positioned at two ends of the compression rollers, the first end cover is fixedly connected with the box body, the first ends of the compression rollers are rotatably connected with the first end cover, and the second ends of the compression rollers are rotatably connected with the second end cover; the driving piece is provided with a driving shaft, the driving shaft is in driving connection with the annular die to drive the annular die to rotate around the axis of the driving shaft, the driving shaft is in driving connection with the plurality of press rollers to drive the plurality of press rollers to rotate around the respective axis, the outer side walls of the plurality of press rollers are arranged corresponding to the inner side walls of the annular die, a plurality of extrusion bosses are arranged on the outer side walls of the press rollers, and the extrusion bosses are arranged in one-to-one correspondence with the forming holes.

Further, the biomass particle forming machine further comprises a plurality of baffle plates, the baffle plates are fixedly arranged on the box body or the second end cover, the baffle plates extend along the axial direction of the ring die, the baffle plates are in clearance fit with the inner side wall of the ring die, and the baffle plates are respectively and correspondingly arranged above the press rollers in the rotating direction of the ring die.

Further, the first end cover is pressed on the outer side wall of the box body, and the first ends of the plurality of pressing rollers penetrate out of the box body and extend to the first end cover; and/or the striker plate is arranged on the inner side wall of the box body.

Further, the ring die comprises an outer ring die and an inner ring die arranged in the outer ring die, the forming holes comprise a first forming hole and a second forming hole which are correspondingly arranged, the first forming hole is arranged on the side wall of the inner ring die, and the second forming hole is arranged on the side wall of the outer ring die.

Further, the inner ring die comprises a plurality of arc-shaped sections which are sequentially arranged along the circumferential direction of the inner ring die, and the plurality of arc-shaped sections are detachably connected with the outer ring die; and/or a positioning structure is arranged between the inner ring die and the outer ring die, the positioning structure comprises a positioning boss arranged on the outer side wall of the inner ring die and a positioning groove arranged on the inner side wall of the outer ring die, and the positioning boss is in limit fit with the positioning groove.

Further, the diameter size of the first molding hole is larger than the diameter size of the second molding hole.

Further, the compression roller comprises a compression roller shaft and a compression roller body sleeved on the side wall of the compression roller shaft, the extrusion boss is arranged on the side wall of the compression roller body, the first end of the compression roller shaft extends to be rotatably connected with the first end cover, and the second end of the compression roller shaft is rotatably connected with the second end cover.

Further, the compression roller assembly further comprises three idler gears, the compression roller assembly comprises three compression rollers, the first end of each compression roller is sleeved with one driven gear, the first end of the driving shaft is sleeved with one driving gear, the three idler gears are arranged at intervals along the circumference of the driving gear, the three idler gears are meshed with the driving gears respectively and the corresponding driven gears, and the three idler gears, the three driven gears and the driving gears are located in the first end cover.

Further, the biomass particle forming machine further comprises two feeding hoppers arranged on one side, far away from the annular die, of the first end cover, the pressing roller assembly comprises three pressing rollers, first ends of the three pressing rollers are arranged in a triangular structure, the third pressing roller is located above the first pressing roller and the second pressing roller, one feeding hopper is arranged between the first pressing roller and the second pressing roller, the other feeding hopper is arranged between the second pressing roller and the third pressing roller, the feeding hoppers are provided with feeding cavities and feeding channels which are communicated with each other, and the feeding channels extend into the annular die.

Further, the driving piece comprises a driving motor, the driving motor is arranged on one side of the annular die, which is far away from the first end of the compression roller, and the driving shaft is an output shaft of the driving motor; and/or the ring mould comprises a ring mould body and a flange connected with the second end of the ring mould body, the driving shaft is in driving connection with the flange, and the forming holes are formed in the ring mould body.

When the biomass particle forming machine is used for processing biomass materials, the crushed biomass materials are conveyed into the annular die, the annular die is driven to rotate around the axis by the driving piece, the plurality of press rollers are driven to rotate around the axis by the driving piece, the outer side walls of the plurality of press rollers are rotated relative to the inner side walls of the annular die, and the materials are extruded through forming holes corresponding to the extrusion bosses one by the extrusion bosses of the plurality of press rollers and then are extruded to form. Because a plurality of press rollers are arranged to extrude the material, the processing efficiency of the material is improved. And, because first end cover and second end cover are located the both ends of compression roller respectively, the first end of a plurality of compression rollers all is rotatable with first end cover and is connected, the second end of a plurality of compression rollers all is rotatable with the second end cover to first end cover and box fixed connection, and then can utilize first end cover and second end cover to form stable connected state respectively with the both ends of a plurality of compression rollers, make under operating condition, the compression roller can not take place the perk because of piling up of material, thereby promoted the stability in the compression roller course of working.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a cross-sectional view of a biomass particle former provided by an embodiment of the utility model;

FIG. 2 shows a side view of a biomass particle former provided by an embodiment of the utility model;

fig. 3 shows a side view of a ring mold and a press roll of a biomass particle forming machine according to an embodiment of the utility model.

Wherein the above figures include the following reference numerals:

10. a case;

20. a ring mold; 21. an inner ring mold; 22. forming a hole;

30. a press roll assembly; 31. a first end cap; 32. a second end cap; 33. a press roller; 331. extruding the boss; 332. a roll shaft; 333. a press roller body; 334. a driven gear; 34. an idler gear;

40. a driving member; 41. a drive shaft; 411. a drive gear;

50. a striker plate;

60. and (5) a feeding hopper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 3, an embodiment of the present utility model provides a biomass particle forming machine, which includes a case 10, a ring mold 20, a press roller assembly 30, and a driving member 40, wherein the ring mold 20 is disposed in the case 10, and the ring mold 20 has a plurality of forming holes 22 penetrating through a sidewall thereof; the press roller assembly 30 comprises a first end cover 31, a second end cover 32 and a plurality of press rollers 33 which are arranged at intervals along the circumferential direction of the ring die 20, wherein the plurality of press rollers 33 are respectively arranged in the inner hole of the ring die 20 in a penetrating manner and extend along the axial direction of the ring die 20, the first end cover 31 and the second end cover 32 are respectively arranged at two ends of the press rollers 33, the first end cover 31 is fixedly connected with the box body 10, the first end of the press rollers 33 is rotatably connected with the first end cover 31, and the second end of the press rollers 33 is rotatably connected with the second end cover 32; the driving member 40 has a driving shaft 41, the driving shaft 41 is in driving connection with the ring mold 20 to drive the ring mold 20 to rotate around the axis thereof, the driving shaft 41 is in driving connection with the plurality of press rolls 33 to drive the plurality of press rolls 33 to rotate around the respective axes, the outer side walls of the plurality of press rolls 33 are arranged corresponding to the inner side walls of the ring mold 20, a plurality of extrusion bosses 331 are arranged on the outer side walls of the press rolls 33, and the plurality of extrusion bosses 331 are arranged corresponding to the plurality of forming holes 22 one by one.

According to the technical scheme, the biomass particle forming machine comprises a box body 10, a ring die 20, a press roll assembly 30 and a driving piece 40, when the biomass particle forming machine is used for processing biomass materials, the crushed biomass materials are conveyed into the ring die 20, the driving piece 40 drives the ring die 20 to rotate around the axis of the ring die 20, the driving piece 40 drives the press rolls 33 to rotate around the axis of the ring die, the outer side walls of the press rolls 33 rotate relative to the inner side walls of the ring die 20, and the extrusion bosses 331 of the press rolls 33 are used for extruding the materials through forming holes 22 corresponding to the extrusion bosses 331 one by one and then are extruded for forming. Since the plurality of press rollers 33 are arranged to extrude the material, the processing efficiency of the material is improved.

The biomass particle forming machine in the related art adopts a thermal forming technology, generates a coking and sticking effect by softening materials at high temperature, and utilizes a passive compression roller to extrude and form the materials. The production rate is extremely low, and the production rate per hour of each forming machine is between 1 ton and 3 tons. The average energy consumption per ton of formed particles is more than 100 DEG, and the energy consumption is huge. And the biomass particle forming machine needs to replace a lantern ring mould and a pressing roller every 500 hours, and the cost of the biomass particle forming machine is 8000-30000 RMB. By using the biomass particle forming machine provided by the embodiment, the production efficiency is greatly improved, compared with the forming machine in the prior art, the production efficiency of each biomass particle forming machine is improved by about 50%, the per-hour yield of each biomass material forming machine is more than 5 tons, the average per-ton energy consumption of formed particles of a single biomass material forming machine is less than 50 ℃, meanwhile, the applicability of materials is also enhanced, and the production efficiency is greatly improved.

Moreover, since the first end cover 31 and the second end cover 32 are respectively located at two ends of the press roller 33, the first ends of the press rollers 33 are rotatably connected with the first end cover 31, the second ends of the press rollers 33 are rotatably connected with the second end cover 32, and the first end cover 31 is fixedly connected with the box body 10, and then the two ends of the press rollers 33 can be respectively formed into a stable connection state by using the first end cover 31 and the second end cover 32, so that the press rollers 33 cannot be tilted due to accumulation of materials in the working state, stability and safety of the press rollers 33 in the working process are improved, and stability and yield of formed particles are improved.

In this embodiment, bearings are sleeved at two ends of the multiple press rollers 33, an outer ring of each bearing is in interference fit with the first end cover 31 or the second end cover 32, an inner ring of each bearing is in interference fit with the press rollers 33, and therefore the first ends of the multiple press rollers 33 and the first end cover 31 can rotate relatively, and the second ends of the multiple press rollers 33 and the second end cover 32 can rotate relatively.

The molding holes 22 include a plurality of hole groups spaced apart along the axial direction of the ring mold 20, and each hole group includes a plurality of extrusion holes spaced apart along the circumferential direction of the ring mold 20.

Specifically, the second end cap 32 is disposed in the inner hole of the ring mold 20, thereby facilitating the relatively fixed connection of the plurality of press rolls 33.

The plurality of extrusion bosses 331 are disposed in one-to-one correspondence with the plurality of forming holes 22, which means that in the material extrusion process, the plurality of extrusion bosses 331 are in one-to-one correspondence with the plurality of forming holes 22 to form extrusion action on the material by using the extrusion bosses 331, and the material is extruded and formed through the forming holes 22.

As shown in fig. 1, the biomass particle forming machine further includes a plurality of baffle plates 50, wherein the baffle plates 50 are fixedly disposed on the case 10 or the second end cover 32, the baffle plates 50 extend along the axial direction of the ring mold 20, the baffle plates 50 are in clearance fit with the inner side walls of the ring mold 20, and the plurality of baffle plates 50 are respectively disposed above the plurality of press rollers 33 correspondingly in the rotation direction of the ring mold 20. Excessive material is prevented from entering the wedge-shaped gap between the press roller 33 and the ring mold 20 by the dam 50, thereby solving the problem of accumulation of material between the wedge-shaped gaps.

It should be noted that, the gap between the dam 50 and the inner sidewall of the ring mold 20 may be adjusted according to the characteristics of the material and the working state of the press roller 33 or the ring mold 20. The dam 50 should extend at least above the row of press bosses 331 of the press roller 33 near its second end.

As shown in fig. 1 and 2, the first end cover 31 is pressed on the outer sidewall of the case 10, and the first ends of the plurality of pressing rollers 33 penetrate through the case 10 and extend to the first end cover 31, so that the above-mentioned connection structure has the advantage of being convenient for disassembling the first end cover 31.

In this embodiment, the striker plate 50 is disposed on the inner side wall of the case 10, and the above structure is adopted, so that the structure is simple and the arrangement is convenient.

Specifically, a first end of the striker plate 50 is fixedly connected to the inner sidewall of the case 10, and a second end of the striker plate 50 extends into the inner hole of the ring mold 20.

In this embodiment, as shown in fig. 3, the ring mold 20 includes an outer ring mold and an inner ring mold 21 disposed in the outer ring mold, the molding holes 22 include a first molding hole and a second molding hole disposed correspondingly, the first molding hole is disposed on a sidewall of the inner ring mold 21, and the second molding hole is disposed on a sidewall of the outer ring mold. By adopting the ring die 20 with the structure, when the ring die 20 needs to be overhauled, the ring die 21 can be disassembled for overhauling or replacing, and the ring die has the advantage of being convenient to operate.

It should be noted that, the inner ring mold 21 includes a plurality of arc sections that set gradually along its circumference, and a plurality of arc sections all are connected with outer ring mold detachably, and the inner ring mold 21 that adopts above-mentioned structure can dismantle the arc section by sections, has the advantage of easy dismounting.

In this embodiment, a positioning structure is disposed between the inner ring die 21 and the outer ring die, and the positioning structure includes a positioning boss disposed on an outer side wall of the inner ring die 21 and a positioning groove disposed on an inner side wall of the outer ring die, and the positioning boss is in spacing fit with the positioning groove. The relative rotation between the inner ring die 21 and the outer ring die can be limited through the positioning structure, so that the forming holes of the inner ring die 21 and the outer ring die can be always in an aligned state in the working process of the ring die 20, and the forming quality of materials is improved.

The inner ring die 21 and the outer ring die can be connected through bolts or through a mode that a flanging is inserted into a groove, so long as the inner ring die 21 and the outer ring die can be connected.

Specifically, the diameter size of the first molding hole is larger than the diameter size of the second molding hole. By adopting the first molding holes and the second molding holes with the above sizes, the extrusion boss 331 is convenient to align with the first molding holes, and the extrusion boss 331 is convenient to extrude materials.

And, because the diameter of the opening of the first forming hole of the inner ring die 21 is larger than that of the second forming hole of the outer ring die, the aperture ratio of the inner ring die 21 is further increased, so as to reduce the extrusion resistance when the compression roller 33 contacts the material at the non-aperture position in the inner ring die 21, thereby improving the production efficiency

As shown in fig. 1, the pressing roller 33 includes a pressing roller shaft 332 and a pressing roller body 333 fitted around a side wall of the pressing roller shaft 332, the pressing boss 331 is provided on the side wall of the pressing roller body 333, a first end of the pressing roller shaft 332 extends to be rotatably connected to the first end cap 31, and a second end of the pressing roller shaft 332 is rotatably connected to the second end cap 32. The press roller 33 adopting the above-described structure has an advantage of being convenient for assembly.

In the present embodiment, the press roller body 333 includes a plurality of press roller pieces penetrating the press roller shaft 332 in the axial direction of the press roller shaft 332, and the pressing boss 331 is provided at the outer periphery of the press roller pieces.

As shown in fig. 1, the press roller assembly 30 further includes three idler gears 34, the press roller assembly 30 includes three press rollers 33, a driven gear 334 is sleeved at a first end of each press roller 33, a driving gear 411 is sleeved at a first end of the driving shaft 41, the three idler gears 34 are arranged at intervals along a circumferential direction of the driving gear 411, the three idler gears 34 are meshed with the driving gear 411 and the corresponding driven gears 334 respectively, and the three idler gears 34, the three driven gears 334 and the driving gear 411 are located in the first end cover 31. By providing the idler gear 34, the pressing roller 33 and the ring mold 20 can have the same rotation direction, and thus the material can be extruded.

Specifically, the gear ratio of the driving gear 411 and the driven gear 334 is 3:1, when the ring mould 20 rotates for one circle, the three press rolls 33 rotate for three circles, so that the production efficiency of the biomass particle forming machine is greatly improved.

As shown in fig. 1 and 2, the biomass particle forming machine further includes two feeding hoppers 60 disposed at a side of the first end cover 31 away from the ring mold 20, the pressing roller assembly 30 includes three pressing rollers 33, first ends of the three pressing rollers 33 are arranged in a triangular structure, the third pressing roller 33 is located above the first pressing roller 33 and the second pressing roller 33, one feeding hopper 60 is disposed between the first pressing roller 33 and the second pressing roller 33, the other feeding hopper 60 is disposed between the second pressing roller 33 and the third pressing roller 33, the feeding hopper 60 has a feeding cavity and a feeding channel which are communicated, and the feeding channel extends into the ring mold 20. The feeder hopper 60 adopting the structure can feed through the two feeder hoppers 60 respectively, and then the press rolls 33 corresponding to the two feeder hoppers 60 can extrude materials at the same time, so that the production efficiency of the biomass particle forming machine is improved.

In this embodiment, the third pressing roller 33 can press the material that is not pressed by the first pressing roller 33 and the second pressing roller 33, so that the material that is pressed by the first pressing roller 33 enters from the corresponding feeding hopper 60 in the process of rotating the ring mold 20, and the material that is pressed by the second pressing roller 33 enters from the corresponding feeding hopper 60, thereby avoiding accumulation of the materials and improving the working stability of the pressing roller 33.

Wherein, driving piece 40 includes driving motor, and driving motor sets up in the one side of ring mould 20 remote from the first end of compression roller 33, and drive shaft 41 is driving motor's output shaft, adopts driving motor, has the advantage of being convenient for drive and connection.

In this embodiment, the output shaft of the driving motor is further connected to a transmission shaft, and the driving gear 411 is disposed at a first end of the transmission shaft.

In this embodiment, the ring mold 20 includes a ring mold body and a flange connected to a second end of the ring mold body, the driving shaft 41 is drivingly connected to the flange, and the molding holes 22 are all disposed in the ring mold body. The ring mold 20 having the above-described structure has the advantage of simple structure, and facilitates connection of the driving shaft 41 to the ring mold 20.

Specifically, when the biomass particle forming machine is used for extruding materials, the driving motor is used for driving the driving shaft 41 to rotate, and then the driving gear 411 on the driving shaft 41 is driven to rotate, so that the driven gears 334 on the 3 press rolls 33 are driven to rotate through the gear meshing effect, and then the extrusion boss 331 on the press rolls 33 can revolve around the press roll shaft 332. The material is placed in the feeding hopper 60 through the feeding cavity of the two feeding hoppers 60 and is conveyed into the inner cavity of the ring die 20 through the feeding channel, and as the baffle plates 50 are in clearance fit with the inner side walls of the ring die 20, in the rotating direction of the ring die 20, the baffle plates 50 are respectively and correspondingly arranged above the press rollers 33, so that the material can fall between the corresponding press rollers 33 and the inner side walls of the ring die 20 through the clearance between the baffle plates 50 and the inner side walls of the ring die 20, and an extrusion effect is formed on the material by utilizing the extrusion bosses 331, so that the material is extruded and molded through the molding holes 22.

The biomass particle forming machine provided by the utility model has the following beneficial effects:

(1) Because the first end cover 31 and the second end cover 32 are respectively positioned at the two ends of the press roller 33, the two ends of the three press rollers 33 are respectively formed into a stable triangular connection state by utilizing the first end cover 31 and the second end cover 32, so that the press roller 33 cannot be tilted due to accumulation of materials, the stability and the safety of the press roller 33 in the working process are improved, and the stability and the yield of formed particles are further improved;

(2) Excessive materials can be prevented from entering the wedge-shaped gap between the compression roller 33 and the ring die 20 by using the baffle 50, so that the problem of accumulation of the materials between the wedge-shaped gaps is solved, and the stability of the materials in the processing process is improved;

(3) The inner ring die 21 comprises a plurality of arc segments which are sequentially arranged along the circumferential direction of the inner ring die 21, the plurality of arc segments are detachably connected with the outer ring die, and when the ring die needs to be overhauled or replaced, the arc segments can be detached in sections so as to facilitate the inner ring die 21 to be detached from the outer ring die;

(4) Since the gear ratio of the driving gear 411 and the driven gear 334 is 3:1, when the ring mould 20 rotates for one circle, the three press rolls 33 rotate for three circles, so that the production efficiency of the biomass particle forming machine is greatly improved;

(5) Since the opening diameter size of the first molding hole of the inner ring mold 21 is larger than the diameter size of the second molding hole of the outer ring mold, the opening ratio of the inner ring mold 21 is further increased to reduce the extrusion resistance when the press roller 33 contacts the material at the non-opening position in the inner ring mold 21, thereby improving the production efficiency.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A biomass particle former, characterized in that the biomass particle former comprises:

a case (10);

a ring mold (20) disposed within the case (10), the ring mold (20) having a plurality of molding holes (22) penetrating a sidewall thereof;

the compression roller assembly (30) comprises a first end cover (31), a second end cover (32) and a plurality of compression rollers (33) which are arranged at intervals along the circumferential direction of the ring die (20), wherein the compression rollers (33) are all arranged in the inner hole of the ring die (20) in a penetrating mode and extend along the axial direction of the ring die (20), the first end cover (31) and the second end cover (32) are respectively positioned at two ends of the compression rollers (33), the first end cover (31) is fixedly connected with the box body (10), the first ends of the compression rollers (33) are all rotatably connected with the first end cover (31), and the second ends of the compression rollers (33) are all rotatably connected with the second end cover (32);

the driving piece (40) is provided with a driving shaft (41), the driving shaft (41) is in driving connection with the annular die (20) so as to drive the annular die (20) to rotate around the axis of the driving shaft, the driving shaft (41) is in driving connection with the pressing rollers (33) so as to drive the pressing rollers (33) to rotate around the respective axis, the outer side walls of the pressing rollers (33) are corresponding to the inner side walls of the annular die (20), a plurality of extrusion bosses (331) are arranged on the outer side walls of the pressing rollers (33), and the extrusion bosses (331) are in one-to-one correspondence with the forming holes (22).

2. The biomass particle forming machine according to claim 1, further comprising a plurality of baffle plates (50), wherein the baffle plates (50) are fixedly arranged on the box body (10) or the second end cover (32), the baffle plates (50) extend along the axial direction of the ring mold (20), the baffle plates (50) are in clearance fit with the inner side walls of the ring mold (20), and a plurality of baffle plates (50) are respectively arranged above a plurality of press rollers (33) correspondingly in the rotation direction of the ring mold (20).

3. The biomass particle molding machine as claimed in claim 2, wherein,

the first end covers (31) are pressed on the outer side walls of the box body (10), and the first ends of the plurality of pressing rollers (33) penetrate out of the box body (10) and extend to the first end covers (31); and/or the number of the groups of groups,

the striker plate (50) is arranged on the inner side wall of the box body (10).

4. The biomass particle forming machine according to claim 1, wherein the ring mold (20) comprises an outer ring mold and an inner ring mold (21) disposed in the outer ring mold, the forming holes (22) comprise a first forming hole and a second forming hole which are disposed correspondingly, the first forming hole being disposed on a side wall of the inner ring mold (21), and the second forming hole being disposed on a side wall of the outer ring mold.

5. The biomass particle molding machine as claimed in claim 4, wherein,

the inner ring die (21) comprises a plurality of arc-shaped sections which are sequentially arranged along the circumferential direction of the inner ring die, and the plurality of arc-shaped sections are detachably connected with the outer ring die; and/or the number of the groups of groups,

a positioning structure is arranged between the inner ring die (21) and the outer ring die, the positioning structure comprises a positioning boss arranged on the outer side wall of the inner ring die (21) and a positioning groove arranged on the inner side wall of the outer ring die, and the positioning boss is in limit fit with the positioning groove.

6. The biomass pellet molding machine of claim 4, wherein the first molding bore has a diameter dimension that is greater than a diameter dimension of the second molding bore.

7. The biomass particle forming machine according to any one of claims 1 to 6, wherein the press roller (33) includes a press roller shaft (332) and a press roller body (333) sleeved on a side wall of the press roller shaft (332), the press boss (331) is disposed on the side wall of the press roller body (333), a first end of the press roller shaft (332) extends to be rotatably connected with the first end cap (31), and a second end of the press roller shaft (332) is rotatably connected with the second end cap (32).

8. The biomass particle forming machine according to any one of claims 1 to 6, wherein the press roller assembly (30) further comprises three idler gears (34), the press roller assembly (30) comprises three press rollers (33), a driven gear (334) is sleeved at a first end of each press roller (33), a driving gear (411) is sleeved at a first end of the driving shaft (41), three idler gears (34) are arranged at intervals along a circumferential direction of the driving gear (411), the three idler gears (34) are meshed with the driving gears (411) and the corresponding driven gears (334), and the three idler gears (34), the three driven gears (334) and the driving gear (411) are all located in the first end cover (31).

9. The biomass pellet former according to any one of claims 1 to 6, further comprising two feed hoppers (60) provided on a side of the first end cap (31) remote from the annular die (20), the press roll assembly (30) comprising three press rolls (33), the first ends of the three press rolls (33) being arranged in a triangular configuration, the third press roll (33) being located above the first press roll (33) and the second press roll (33), one feed hopper (60) being provided between the first press roll (33) and the second press roll (33), the other feed hopper (60) being provided between the second press roll (33) and the third press roll (33), the feed hoppers (60) having feed cavities and feed channels in communication, the feed channels extending into the annular die (20).

10. The biomass particle molding machine as claimed in any one of claims 1 to 6, wherein,

the driving piece (40) comprises a driving motor, the driving motor is arranged on one side of the ring die (20) away from the first end of the compression roller (33), and the driving shaft (41) is an output shaft of the driving motor; and/or the number of the groups of groups,

the ring die (20) comprises a ring die body and a flange connected with the second end of the ring die body, the driving shaft (41) is in driving connection with the flange, and the forming holes (22) are formed in the ring die body.