CN214810641U - Biomass fuel particle forming die monomer and forming die - Google Patents

Abstract

The utility model provides a biomass fuel particle forming die monomer and forming die, which belongs to the technical field of biomass fuel production equipment, the die monomer comprises a die body and two die supports, the die body is uniformly provided with a plurality of forming holes along the circumference direction, after the die body rotates, raw materials are extruded into the forming holes and enter into a die inner cavity, the two die supports are respectively arranged at the two ends of the die body and are used for fixedly supporting the die body, the die supports are connected with a main shaft key, the two sets of die supports are uniformly provided with a plurality of key grooves corresponding to the die along the circumference direction, the die supports are connected with the die body key, opposite rotating motion is carried out through the two sets of die monomers, the two sets of die monomers are rolled to realize the forming of biomass raw materials, the die monomers are detachable and convenient to maintain and disassemble, the working stress state of the die is improved, the energy consumption is low, the forming efficiency is high, long service life, convenient maintenance and replacement and convenient die installation.

Description

Biomass fuel particle forming die monomer and forming die

Technical Field

The utility model belongs to the technical field of biomass fuel production facility, more specifically say, relate to a biomass fuel granule forming die monomer and forming die.

Background

The renewable biomass fuel refers to combustion particles which are formed by compressing agricultural and forestry wastes such as straws, weeds, wood chips, shrub branches and fruit shells and fruit peels into high density. The agricultural and forestry wastes have higher combustion values and are clean energy resources. In the prior art, the renewable biomass fuels are made into particles through a biomass granulator, so that the biomass granulator is convenient to use in the later period. The main machine structure of the biomass granulator is divided into a flat die and a circular die according to a die, and a pinch roller is used for extruding a raw material to enable the raw material to pass through a forming hole in the die to be prepared into granules. The fashioned primary structure of granule is forming die, and the equipartition has a plurality of shaping holes along the circumference upwards on the mould, and shaping hole is lower to the shaping efficiency of material among the prior art, and the energy consumption is great, and the feeding is less moreover, and the mould atress is inhomogeneous moreover, has phenomenons such as vexed machine, influences material shaping efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biomass fuel granule forming die monomer aims at solving the forming die that biomass granulator used and to the technical problem of material shaping inefficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the biomass fuel particle forming die single body comprises a die body and two die supports, wherein the die body is cylindrical, two ends of the die body are both open, a plurality of forming holes are uniformly distributed along the circumferential direction, an extruding boss corresponding to the forming hole on the other die body matched with the die body is arranged on the circumferential direction of the die body, the forming holes are axially arranged along the radial direction of the die body and penetrate through the die body, raw materials are extruded into the forming holes and enter an inner cavity of the die after the die body rotates, and a plurality of key grooves are uniformly distributed along the circumferential direction on two ends of the die body; two mould supports are respectively arranged at two ends of the mould body and are used for fixedly supporting the mould body, the mould supports are connected with the main shaft key, and the mould supports are uniformly distributed with a plurality of key grooves corresponding to the mould along the circumference, and the mould supports are connected with the mould body key.

As another embodiment of the present application, the molding holes on the mold body form a plurality of rings of molding hole units, the plurality of rings of molding hole units are arranged at intervals along the axial direction of the mold body, the material extruding bosses are arranged between adjacent molding hole units, and the material extruding bosses are used for corresponding to molding hole units on the mold body which is used in cooperation with other molding hole units, and extruding the material to the molding hole units; the forming hole unit comprises at least one circle of forming holes.

As another embodiment of the present application, the extrusion boss is a tooth-shaped boss, and a single tooth of the tooth-shaped boss corresponds to a single row of forming hole units.

As another embodiment of this application, the shaping hole includes the edge the mould body radially from outside-in the hole of squeezing into, transition hole and the hole of extruding that communicates in proper order, the internal diameter in the hole of squeezing into is greater than extrude the internal diameter in hole, squeeze into the hole with extrude the coaxial setting in hole, the transition hole is the loudspeaker form, and the diameter great one end with squeeze into hole intercommunication, the less one end of diameter with extrude the hole intercommunication, by crowded raw materials loop through squeeze into the hole transition hole with extrude the hole, and follow extrude the hole and get into mould body inner chamber.

As another embodiment of this application, the mould support is wheel hub column structure and has the relief hole, mould body inner chamber is equipped with and is spiral helicine guide, and when mould monomer during operation, the guide will the material direction that the shaping hole was extruded is to following the mould support outside and outflow.

As another embodiment of the application, a cylindrical sleeve coaxial with the mold support is arranged in the middle of the inner side surface of the mold support, the inner diameter of the sleeve is equal to that of the shaft hole, the inner ends of the sleeves on the two groups of the mold supports are mutually abutted, and the main shaft is respectively connected with the mold support and the sleeve key; the material guide device is sleeved and fixed on the sleeve.

As another embodiment of the present application, the diameter of the extrusion hole is 1.5 to 2 times the diameter of the extrusion hole.

The utility model provides a pair of biomass fuel particle forming die is free beneficial effect lies in: compared with the prior art, the utility model relates to a biomass fuel particle forming die monomer, including mould body and two mould supports, the mould body is the cylinder and both ends are open, along the circumference equipartition have a plurality of shaping holes, mould body circumference is provided with and is used for the crowded material boss that corresponds rather than the shaping hole on the other mould body of complex, shaping hole axial is along the radial setting of mould body, the shaping hole pierces through the mould body, the raw materials are extruded to the shaping hole and enter the mould inner chamber after the mould body rotates, the both ends of mould body are equipped with a plurality of keyways along the circumference upwards equipartition; two mould supports are located respectively the both ends of mould body are used for the fixed stay mould body, mould support and main shaft key-type connection, and two sets of mould supports are followed the circumference and are upwards the equipartition and have a plurality of keyways that correspond with the mould, and mould support and mould body key-type connection are done rotary motion in opposite directions through two sets of mould monomers, and two sets of mould monomers roll-in realize biomass feedstock's shaping, and the mould monomer is detachable, and the maintenance and the dismantlement of being convenient for have improved mould work stress state, and it is low to have the energy consumption, and the shaping is efficient, long service life, be convenient for maintain and change, the die setting's of being convenient for technical effect.

The utility model also provides a biomass fuel granule forming die, including two sets of above-mentioned biomass fuel granule forming die monomers, two sets of mould monomer axial direction parallel arrangement just all install on the main shaft to do rotary motion in opposite directions, two shaping hole and crowded material boss on the mould monomer correspond each other, roll-in the shaping that realizes biomass feedstock through two sets of mould monomers each other.

The utility model provides a pair of biomass fuel particle forming die's beneficial effect lies in: compared with the prior art, the forming die comprises two sets of die single bodies which are axially arranged in parallel, and the two sets of die single bodies rotate oppositely and roll each other to form the biomass raw material; and the distance between the two sets of mould monomers is adjustable, and the two sets of mould monomers are respectively driven to rotate by the driving device, so that the advantages of improvement of the working stress state of the mould, low energy consumption and high material forming efficiency are achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a biomass fuel particle forming die unit provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a mold body of a biomass fuel particle forming mold monomer according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a mold support of a biomass fuel particle forming mold unit provided in an embodiment of the present invention;

FIG. 4 is a front view of a mold body of a biomass fuel pellet forming mold monomer shown in FIG. 2;

FIG. 5 is a side view of a mold body of a biomass fuel pellet forming mold monomer shown in FIG. 2;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 7 is a cross-sectional view taken at B-B of FIG. 5;

FIG. 8 is an enlarged view at C of FIG. 6;

fig. 9 is a partial exploded view of a biomass fuel particle forming die unit according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a material guide of a biomass fuel particle forming mold unit according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a biomass fuel particle forming die provided by an embodiment of the present invention.

In the figure: 1. a mold body; 2. a mold holder; 3. a sleeve; 4. forming holes; 41. an extrusion hole; 42. a transition hole; 43. an extrusion orifice; 5. a main shaft; 6. extruding a boss; 7. a material guide device.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to fig. 10, a biomass fuel pellet forming mold unit according to the present invention will be described. The biomass fuel particle forming die single body comprises a die body 1 and two die supports 2, wherein the die body 1 is cylindrical, two ends of the die body are both open, a plurality of forming holes 4 are uniformly distributed along the circumferential direction, a material extruding boss 6 corresponding to the forming holes 4 on the other die body 1 matched with the die body 1 is circumferentially arranged on the die body 1, the forming holes 4 are axially and radially arranged along the die body 1, the forming holes 4 penetrate through the die body 1, after the die body 1 rotates, raw materials are extruded into the forming holes 4 and enter an inner cavity of the die, and a plurality of key grooves are uniformly distributed at two ends of the die body 1 along the circumferential direction; two mould supports 2 are located the both ends of mould body 1 respectively for fixed stay mould body 1, mould support 2 and 5 key-types on the main shaft, two sets of mould supports 2 along the circumference equipartition upwards have a plurality of keyways that correspond with the mould, mould support 2 and 1 key-type connection of mould body.

The utility model provides a pair of biomass fuel particle forming die is free beneficial effect lies in: compared with the prior art, the utility model relates to a biomass fuel particle forming die monomer, including mould body 1 and two mould supports 2, mould body 1 is the cylinder and both ends are all open, along the circumference equipartition have a plurality of shaping holes 4, mould body 1 circumference is provided with be used for with the material extrusion boss 6 that corresponds with shaping hole 4 on the other mould body 1 that cooperates, shaping hole 4 axial is along mould body 1 radial setting, shaping hole 4 pierces through mould body 1, the raw materials are extruded to shaping hole 4 and enter the mould inner chamber after mould body 1 rotates, the both ends of mould body 1 are equipped with a plurality of keyways along the circumference upwards equipartition; two ends of mould body 1 are located respectively to two mould support 2, be used for fixed stay mould body 1, mould support 2 and 5 key-type connections of main shaft, two sets of mould support 2 have a plurality of keyways that correspond with the mould along the circumference equipartition that makes progress, mould support 2 and 1 key-type connection of mould body, do relative rotary motion through two sets of mould monomers, the shaping of biomass feedstock is realized in the roll-in of two sets of mould monomers, the mould monomer is detachable, be convenient for maintenance and dismantlement, mould work stress state has been improved, it is low to have the energy consumption, high forming efficiency, long service life, be convenient for maintenance and change, the die holding's of being convenient for technological effect.

In order to further ensure the connection stability, the die holder 2 is bolted to the die body 1 along the axial direction of the die body.

As a specific embodiment of a biomass fuel particle forming die unit provided by the present invention, please refer to fig. 1-10, forming holes 4 on a die body 1 constitute a plurality of rings of forming hole units, the plurality of rings of forming hole units are arranged along the axial direction of the die body 1 at intervals, an extruding boss 6 is arranged between adjacent forming hole units, the extruding boss 6 is used for corresponding to a forming hole unit on the die body 1 used in cooperation with another, and extruding a material to the forming hole unit; the forming hole unit comprises at least one circle of forming holes 4. The purpose that sets up crowded material boss 6 and shaping hole 4 interval arrangement is in order to separate the material, prevents the material off tracking to force the material evenly to be impressed corresponding shaping hole unit, can be one round or two rings or more than two rings in the shaping hole 4 unit here, and the optional round is crowded material boss 6 and is corresponded a round shaping hole 4. And on the same die body 1, an annular groove is formed between the two circles of extruding bosses 6, and the forming hole 4 is positioned at the bottom of the groove.

As a specific embodiment of the biomass fuel particle forming mold provided by the present invention, please refer to fig. 1-10, the extruding boss 6 is a tooth-shaped boss, and a single tooth of the tooth-shaped boss corresponds to a single row of forming holes 4. In order to facilitate the material conveying, the extruding lug boss 6 is made into a tooth-shaped lug boss.

As a specific embodiment of a biomass fuel particle forming die monomer, please refer to fig. 1-10, shaping hole 4 includes along the radial crowded hole 41 that communicates from the outside to the inside in proper order of mould body 1, transition hole 42 and extrusion hole 43, the internal diameter of crowded hole 41 is greater than the internal diameter of extrusion hole 43, crowded hole 41 and the coaxial setting of extrusion hole 43, transition hole 42 is the loudspeaker form, and the great one end of diameter communicates with crowded hole 41, the less one end of diameter communicates with extrusion hole 43, it loops through crowded hole 41 to be crowded raw materials, transition hole 42 and extrusion hole 43, and get into 1 inner chamber of mould body from extrusion hole 43. The diameter of extruding hole 41 is greater than the diameter of extruding hole 43, and the centre is the chamfer transition, and the material volume that aim at to extrude into is great, can extrude the material to mould body 1 inside with efficiency is higher.

As a specific embodiment of a biomass fuel particle forming mold monomer, please refer to fig. 1-10, mold support 2 is a hub-shaped structure and has a discharge hole, an inner cavity of mold body 1 is provided with a guide 7 which is spiral, when mold monomer works, the guide 7 guides the material extruded from forming hole 4 to the outside of mold support 2 and flows out.

As a specific embodiment of a biomass fuel particle forming mold unit provided by the present invention, please refer to fig. 1-10, a sleeve 3 which is cylindrical and coaxial with a mold support 2 is disposed in the middle of the inner side surface of the mold support 2, the inner diameter of the sleeve 3 is equal to the inner diameter of the shaft hole, the inner ends of the sleeves 3 on the two sets of mold supports 2 are abutted against each other, and a main shaft 5 is respectively connected with the mold support 2 and the sleeve 3; the material guide 7 is sleeved and fixed on the sleeve 3. The sleeve 3 is sleeved with a spiral material guide 7 for guiding the material extruded from the forming hole 4 to the outside of the die support 2 and flow out, and the material guide 7 is used for guiding the formed material out, so that the formed material is not retained for a long time and is stored in the die body 1. The material guide 7 is in the shape of fan blades.

Referring to fig. 1-10, the diameter of the extruding hole 41 is 1.5-2 times the diameter of the extruding hole 43. The above proportions are exemplary and not limiting and may be selected according to the specifics.

Please refer to fig. 11, the utility model also provides a biomass fuel particle forming die, including two sets of above-mentioned biomass fuel particle forming die monomers, two sets of mould monomer axial parallel arrangement just all install on main shaft 5 to do opposite direction rotary motion, forming hole 4 and crowded material boss 6 on two mould monomers correspond each other, roll-in each other through two sets of mould monomers realizes the shaping of biomass raw materials.

The utility model provides a pair of biomass fuel particle forming die's beneficial effect lies in: compared with the prior art, the forming die comprises two sets of die single bodies which are axially arranged in parallel, and the two sets of die single bodies rotate oppositely and roll each other to form the biomass raw material; the forming process is extruded each other between by the mould monomer, and outside-in extrusion atress moreover, and it is more reliable to use, and finished product material all can be extruded to two mould monomers, and the energy consumption is low, and is efficient.

And the distance between the two sets of mould monomers is adjustable, and the two sets of mould monomers are respectively driven to rotate by the driving device, so that the advantages of improvement of the working stress state of the mould, low energy consumption and high material forming efficiency are achieved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A biomass fuel particle forming die monomer is characterized by comprising:

the die comprises a die body, wherein the die body is cylindrical, two ends of the die body are both open, a plurality of forming holes are uniformly distributed along the circumferential direction, a material extruding boss corresponding to a forming hole on another die body matched with the die body is arranged on the die body in the circumferential direction, the forming holes are axially arranged along the radial direction of the die body, the forming holes penetrate through the die body, after the die body rotates, raw materials are extruded into the forming holes and enter an inner cavity of the die, and a plurality of key grooves are uniformly distributed on two ends of the die body along the circumferential direction;

two mould supports are respectively arranged at two ends of the mould body and are used for fixedly supporting the mould body, the mould supports are in key connection with the main shaft and are two groups, a plurality of key grooves corresponding to the mould body are uniformly distributed on the mould supports along the circumference, and the mould supports are in key connection with the mould body.

2. The biomass fuel particle forming die unit as claimed in claim 1, wherein the forming holes on the die body constitute a plurality of rings of forming hole units, the plurality of rings of forming hole units are arranged at intervals along the axial direction of the die body, the extruding boss is arranged between adjacent forming hole units, and the extruding boss is used for corresponding to the forming hole unit on the die body which is used in cooperation with another extruding boss to extrude the material to the forming hole unit; the forming hole unit comprises at least one circle of forming holes.

3. The biomass fuel particle forming die unit as claimed in claim 2, wherein the extrusion boss is a tooth-shaped boss, and a single tooth of the tooth-shaped boss corresponds to a single row of forming hole units.

4. The biomass fuel particle forming die monomer as claimed in claim 2, wherein the forming holes include an extrusion hole, a transition hole and an extrusion hole which are sequentially communicated from outside to inside along the radial direction of the die body, the inner diameter of the extrusion hole is larger than that of the extrusion hole, the extrusion hole and the extrusion hole are coaxially arranged, the transition hole is horn-shaped, one end with a larger diameter is communicated with the extrusion hole, the other end with a smaller diameter is communicated with the extrusion hole, and extruded raw materials sequentially pass through the extrusion hole, the transition hole and the extrusion hole and enter the inner cavity of the die body from the extrusion hole.

5. The biomass fuel particle forming die unit as claimed in claim 1, wherein the die support is in a hub-like structure and has a discharge hole, the inner cavity of the die body is provided with a spiral material guide device, and when the die unit is operated, the material guide device guides the material extruded from the forming hole to the outside of the die support and flows out.

6. The biomass fuel particle forming die unit as claimed in claim 5, wherein a cylindrical sleeve coaxial with the die holder is arranged in the middle of the inner side of the die holder, the inner diameter of the sleeve is equal to the inner diameter of the shaft hole, the inner ends of the sleeves on the two sets of the die holders are abutted against each other, and the main shaft is respectively connected with the die holder and the sleeve; the material guide device is sleeved and fixed on the sleeve.

7. The biomass fuel particle forming die monomer of claim 4, wherein the diameter of the extrusion hole is 1.5-2 times of the diameter of the extrusion hole.

8. A biomass fuel particle forming die is characterized by comprising two sets of biomass fuel particle forming die single bodies as claimed in any one of claims 1 to 7, wherein the two sets of die single bodies are axially arranged in parallel and are both arranged on a main shaft and rotate oppositely, forming holes in the two die single bodies correspond to extrusion bosses, and the two sets of die single bodies are mutually rolled to form a biomass raw material.

Images