CN220665612U - Defibration sizing unit, defibration sizing equipment and fiberboard production system - Google Patents

Abstract

The utility model provides a fiber-separating and sizing unit, fiber-separating and sizing equipment and a fiber board production system, wherein the fiber-separating and sizing unit comprises a roller frame and a plurality of groups of fiber-separating knife groups, the roller frame comprises a roller body, an air inlet impeller, a sealing plate and a rotating shaft, a plurality of glue dispersing grooves are formed in the peripheral wall of the roller body and communicated with the inner part and the outer part of the roller body, the glue dispersing grooves and the fiber-separating knife groups are distributed on the peripheral direction of the roller body at intervals, the fiber-separating knife groups are connected with the roller body, the air inlet impeller and the sealing plate are respectively arranged at two ends of the roller body, the air inlet impeller can supply air to the roller body, the rotating shaft penetrates through the air inlet impeller, the roller body and the sealing plate, the rotating shaft is provided with a plurality of groups of holes distributed along the axial direction of the roller body, through holes of the hole groups penetrate through the rotating shaft along the radial direction of the rotating shaft, and the through holes are communicated with the hollow body and the glue dispersing grooves. The fiber-releasing and sizing device comprises the fiber-releasing and sizing unit, and the fiber board production system comprises the fiber-releasing and sizing device, so that the fiber-releasing and sizing unit can improve the production quality, reduce the production cost and ensure the production safety.

Description

Defibration sizing unit, defibration sizing equipment and fiberboard production system

Technical Field

The utility model relates to the technical field of fiber board production, in particular to a fiber splitting and sizing unit, fiber splitting and sizing equipment provided with the fiber splitting and sizing unit and a fiber board production system provided with the fiber splitting and sizing equipment.

Background

The existing fiber-stripping and sizing equipment basically comprises a plurality of groups of fiber-stripping cutter groups of a sealing roller main body, wherein the two axial ends of the sealing roller main body are respectively provided with a rotating shaft, and the rotating shafts at the two ends are coaxially arranged, so that the fiber-stripping and sizing unit can be rotatably arranged in a case of the fiber-stripping and sizing equipment through the rotating shafts at the two ends, the plurality of groups of fiber-stripping cutter groups are distributed along the circumferential direction of the sealing roller main body, and the fiber-stripping cutter groups are welded and fixed on the outer circumferential surface of the sealing roller main body; in addition, the outside of the defibration sizing unit in the case is provided with a rubber powder discharge point so that rubber powder can be mixed into scattered fibers in the process of scattering the fiber clusters by the defibration sizing unit, and the strength of the fiber board produced subsequently is ensured.

However, the existing defibration sizing equipment has the following defects:

firstly, in the production and operation process of the defibration sizing equipment, the inside of a case is relatively airtight and has poor ventilation, so that fire accidents are easily caused by heat aggregation;

secondly, as the glue powder is applied in a single point, the glue powder and the scattered fibers are unevenly mixed, and in order to ensure that the strength of the fiber board produced later meets the requirement, the application amount of the glue powder needs to be increased, so that the production cost is increased;

thirdly, the fiber-splitting knife set is made of common carbon steel, so that the fiber-splitting knife set is fast in abrasion, insufficient fiber splitting is caused, the whole fiber-splitting sizing unit is frequently replaced, production efficiency is reduced, and construction cost is increased.

Disclosure of Invention

In order to solve the above problems, a main object of the present utility model is to provide a defibration sizing unit which can improve the production quality, reduce the production cost and ensure the production safety.

Another object of the present utility model is to provide a defibration sizing device provided with the above defibration sizing unit.

It is a further object of the present utility model to provide a fiberboard production system provided with the above-described defibering and sizing apparatus.

In order to achieve the main purpose of the utility model, the utility model provides a fiber-separating and sizing unit, which comprises a roller frame and a plurality of fiber-separating knife groups, wherein the roller frame comprises a roller body, an air inlet impeller, a sealing plate and a rotating shaft, a plurality of glue-dispersing grooves are arranged on the peripheral wall of the roller body, the glue-dispersing grooves extend along the axial direction of the roller body, the glue-dispersing grooves penetrate through the roller wall in the thickness direction of the roller body, the glue-dispersing grooves and the fiber-separating knife groups are distributed at intervals on the circumferential direction of the roller body, the fiber-separating knife groups are connected with the roller body, the air inlet impeller is arranged on the first end part of the roller body, the air inlet impeller can supply air to the inner part of the roller body, the sealing plate is arranged on the second end part of the roller body and seals the second end part of the roller body, the rotating shaft penetrates through the air inlet impeller, the roller body and the sealing plate, the hollow cavity is arranged on the rotating shaft, the hollow cavity is recessed from the first end part of the axial rotation shaft to the second end part of the rotating shaft, a plurality of groups of holes are distributed along the axial direction, the through holes of the hole groups penetrate through the rotating shaft along the radial direction of the rotating shaft, and the through holes of the rotating shaft are communicated with the hollow cavity and the glue-dispersing grooves.

From the above, through the design of the defibration sizing unit, the rubber powder can be added into the hollow cavity of the rotating shaft, so that the rubber powder is thrown out into the cylinder body through centrifugal force in the rotating process of the defibration sizing unit, the rubber powder can enter the cylinder body in a dispersed manner, and the rubber powder is uniformly moved out of the cylinder body from the rubber dispersing groove of the cylinder body to be mixed with the fiber mass, thereby reducing the application amount of the rubber powder and saving the production cost; and in the rotation process of the fiber-breaking and sizing unit, the air inlet impeller rotates along with the rotation to supply air to the inside of the cylinder, so that the temperature of the machine box of the fiber-breaking and sizing equipment and the temperature of the cutter head of the fiber-breaking cutter set are reduced, fire accidents caused by heat aggregation in the machine box are avoided, the production safety is ensured, meanwhile, the air supply of the air inlet impeller is also beneficial to the rubber powder to move out from the rubber dispersion groove into the machine box, the dispersion degree of the fiber clusters is further improved, and the rubber powder and scattered fibers are uniformly and fully mixed.

The cylinder frame also comprises a plurality of groups of turbulence units, wherein the groups of turbulence units are distributed along the axial direction, the turbulence units are positioned in the cylinder body, each turbulence unit comprises more than two turbulence plates, the more than two turbulence plates are distributed along the circumferential direction of the rotating shaft, and the turbulence plates are connected with the rotating shaft.

From the above, the vortex unit can carry out secondary dispersion to the rubber powder that disperses and get into in the barrel to the wind that the cooperation air inlet impeller sent makes the rubber powder better shift out the groove of dispersing in order to mix with the fibre group after being broken up, thereby further promote the rubber powder and the degree of consistency of mixing of the fibre after being broken up, make the fibre board that guarantees follow-up output under the unchangeable intensity circumstances reduce the application powder volume of rubber powder better, with further saving manufacturing cost.

The further scheme is that a guide plate is formed at each glue dispersing groove of the cylinder body, extends along the axial direction, and obliquely extends from the upstream end of the glue dispersing groove to the downstream end of the glue dispersing groove and obliquely extends to the inside of the cylinder body in the rotating direction of the fiber-separating and sizing unit; the guide plate is provided with a windward side and a leeward side, the windward side is positioned at the downstream end of the leeward side in the rotation direction, and a glue guiding channel is formed between the windward side and the leeward side of one guide plate positioned at the downstream end of the windward side.

From the above, the guide plate is used for matching the wind sent by the wind inlet impeller of the defibration sizing unit to enable the rubber powder to better move out of the cylinder body from the inside of the cylinder body through the rubber dispersing groove so as to be mixed with the dispersed fibers.

In another preferred scheme, a plurality of mounting grooves are formed in the peripheral wall of the cylinder body, the plurality of mounting grooves extend along the axial direction, the mounting grooves are recessed from the peripheral wall of the cylinder body to the inside of the cylinder body, the plurality of mounting grooves and the plurality of glue dispersing grooves are arranged at intervals in the circumferential direction of the cylinder body, and a plurality of groups of fiber-separating knife groups are in one-to-one correspondence with the plurality of mounting grooves; the fiber-breaking knife group comprises a knife rest and a plurality of knife heads, wherein the knife rest is detachably arranged in a corresponding mounting groove, the knife heads are axially distributed, and the knife heads are all arranged on the knife rest.

From the above, the design makes each group of fiber-separating cutters capable of being replaced independently, so that the overall service life of the fiber-separating and sizing unit is prolonged, and the maintenance and use costs of the fiber-separating and sizing unit are reduced.

Further, the tool bit is made of alloy materials; in the circumferential direction of the cylinder body, the cutter heads of two adjacent fiber-separating cutter groups are staggered.

From the above, the alloy material is adopted to manufacture the cutter head, so that the wear resistance of the cutter head can be improved, the service life of the fiber-splitting cutter set is prolonged, and the full-cycle use cost of the fiber-splitting sizing unit is reduced; and through the relative position design to the tool bit of two adjacent groups of fiber-separating knife tackles, can promote the effect that fiber-separating glueing unit broken up the fibrous group to promote the dispersity of the fibrous group after being broken up, thereby make the fibre after being broken up can carry out more even, abundant mixing with the rubber powder.

The other preferable scheme is that the air inlet impeller comprises a wheel frame and a plurality of blades, the wheel frame is detachably connected with the cylinder body, the blades are distributed along the circumferential direction of the wheel frame and are arranged on the wheel frame, and when the defibration sizing unit rotates, the blades supply air to the inside of the cylinder body.

From the above, the connection between the air inlet impeller and the cylinder body is designed to be detachable, so that the air inlet impeller has replaceability, and the air inlet impeller can be replaced according to different processing objects and processing requirements of the fiber-dissolving and sizing unit, so that the air flow rate and temperature in the box body of the fiber-dissolving and sizing device and the mixing state of the rubber powder and the scattered fibers are adjusted and changed.

The further scheme is that the number of the air inlet impellers is more than two, the inclination angles of the blades of the same air inlet impeller are equal, and the inclination angles of the blades of each air inlet impeller are unequal.

From the above, through the direct configuration of a plurality of different design parameter's air inlet impeller for the user can be according to the different processing object of fiber-separating glueing unit, different processing requirement direct selection use corresponding air inlet impeller, and need not additionally to go to make or purchase air inlet impeller, makes the user can more convenient use fiber-separating glueing unit, also is favorable to guiding the user how to select the air inlet impeller that matches simultaneously.

In order to achieve another purpose of the utility model, the utility model provides a fiber-separating and sizing device, which comprises a machine case, wherein a mixing bin is arranged in the machine case, the machine case is also provided with a feed inlet and a discharge outlet, the feed inlet and the discharge outlet are respectively communicated with the mixing bin, and the fiber-separating and sizing device is also provided with the fiber-separating and sizing unit; the machine case is provided with a vent, the vent is communicated with the mixing bin, the defibration sizing unit is rotatably arranged in the mixing bin around the rotation axis of the defibration sizing unit, the air inlet impeller is arranged in the vent in a butt joint mode, and two ends of the rotating shaft extend out of the machine case respectively.

From the above, the fiber-separating and sizing equipment provided with the fiber-separating and sizing unit can cool the machine case and the cutter heads of the fiber-separating cutter set, avoid fire accidents caused by heat aggregation in the machine case, and ensure the production safety; in addition, the rubber powder and the scattered fibers are uniformly and fully mixed, so that the use amount of the rubber powder is reduced, and the production cost is reduced; furthermore, each group of fiber-separating cutters can be independently replaced, so that the overall service life of the fiber-separating and sizing unit is prolonged, and the maintenance and use cost of the fiber-separating and sizing unit is reduced.

The number of the ventilation openings is more than two; the number of the defibration sizing units is more than two, and the defibration sizing units are in one-to-one correspondence with the ventilation openings; in the material moving direction of the fiber-separating and sizing equipment, two adjacent fiber-separating and sizing units rotate oppositely, so that the cutting edges of fiber-separating knife groups of the two adjacent fiber-separating and sizing units rotate oppositely.

From the above, the above design makes the fiber clusters be sufficiently dispersed to promote the dispersion degree of the dispersed fibers, so that the rubber powder can be more uniformly and sufficiently mixed with the dispersed fibers.

In order to achieve still another object of the present utility model, the present utility model provides a fiberboard production system including the above-mentioned fiber-separating and sizing apparatus.

From the above, the fiberboard production system provided with the fiber-dissolving and sizing equipment can ensure that the chassis of the fiber-dissolving and sizing equipment and the cutter heads of the fiber-dissolving cutter set obtain good cooling effect, so as to avoid fire accidents caused by heat aggregation in the chassis and ensure the production safety; in addition, the rubber powder and the scattered fibers are uniformly and fully mixed, so that the consumption of the rubber powder is reduced and the production cost is reduced under the condition that the strength of the produced fiber board is unchanged; furthermore, each group of fiber-separating cutters can be independently replaced, so that the overall service life of the fiber-separating and sizing unit is prolonged, and the maintenance and use cost of the fiber-separating and sizing unit is reduced.

Drawings

FIG. 1 is a block diagram of an embodiment of a defibration sizing device according to the present utility model with a first omitted partial assembly.

Fig. 2 is a cross-sectional view of an embodiment of the present utility model with a first omitted part of the components of the device.

Fig. 3 is a block diagram of a second omitted partial assembly of an embodiment of the present utility model of a defibration sizing device.

Fig. 4 is a cross-sectional view of an embodiment of the present utility model after a second omitted partial assembly of the defibration sizing device.

Fig. 5 is a block diagram of a third omitted partial assembly of an embodiment of the present utility model of a defibration sizing device.

Fig. 6 is a cross-sectional view of a defibration sizing unit of an embodiment of the defibration sizing device according to the utility model.

Fig. 7 is a block diagram of a defibrator blade group according to an embodiment of the defibration sizing device according to the utility model.

Fig. 8 is an enlarged view at a in fig. 3.

The utility model is further described below with reference to the drawings and examples.

Detailed Description

Embodiment of defibration sizing device

Referring to fig. 1 and 2, a defibration sizing apparatus 100 includes a defibration sizing unit 101, a cabinet 102, and a bearing housing 103. Wherein, the machine case 102 is internally provided with a mixing bin 1021, and the machine case 102 is also provided with a feed port 1022 and a discharge port 1023, and the feed port 1022 and the discharge port 1023 are communicated with the mixing bin 1021; preferably, in the height direction of the defibration sizing device 100, the inlet 1022 is located above the mixing chamber 1021, and the outlet 1023 is located below the mixing chamber 1021. The feed port 1022 receives the fiber mass to be processed and enables the fiber mass to enter the mixing bin 1021; the mixing bin 1021 is used for providing a space required by mixing the scattered fibers and the rubber powder; the discharge port 1023 is used for discharging the mixed material obtained by mixing the scattered fibers and the rubber powder out of the machine box 102, so that the post-stage equipment can transfer the discharged mixed material.

Referring to fig. 3 and 4, the defibration sizing unit 101 includes a roller frame 1 and a plurality of sets of defibration knife sets 2. The roller frame 1 comprises a roller body 11, an air inlet impeller 12, a sealing plate 13, a rotating shaft 14 and a plurality of groups of turbulent flow units 15.

Referring to fig. 5 to 7, a plurality of glue dispersing grooves 111 are formed in the outer circumferential wall of the cylinder 11, the glue dispersing grooves 111 extend along the axial direction of the cylinder 11, and the glue dispersing grooves 111 do not penetrate through the cylinder 11 in the axial direction of the cylinder 11, that is, the first ends of the glue dispersing grooves 111 are arranged near the first ends of the cylinder 11, and the second ends of the glue dispersing grooves 111 are arranged near the second ends of the cylinder 11. In addition, the glue dispersing groove 111 penetrates through the wall of the cylinder 11 in the thickness direction of the wall of the cylinder 11, so that the inside of the cylinder 11 and the outside of the cylinder 11 can be communicated through the glue dispersing groove 111, and further the glue powder in the cylinder 11 can move to the outside of the cylinder 11 through the glue dispersing groove 111.

In addition, a plurality of glue dispersing grooves 111 and a plurality of groups of defibrator groups 2 are distributed at intervals in the circumferential direction of the cylinder 11, and the defibrator groups 2 are connected with the cylinder 11. Preferably, a plurality of mounting grooves 112 are also formed on the outer peripheral wall of the cylinder 11, and the plurality of mounting grooves 112 and the plurality of glue dispersing grooves 111 are arranged at intervals in the circumferential direction of the shaft body. The mounting groove 112 extends in the axial direction of the cylinder 11, and the mounting groove 112 preferably penetrates the cylinder 11 in the axial direction of the cylinder 11. The plurality of fiber-separating knife groups 2 are in one-to-one correspondence with the plurality of mounting grooves 112. Wherein the defibrator blade set 2 preferably comprises a blade holder 21 and a plurality of blade heads 22, the blade holder 21 being detachably mounted in a corresponding one of the mounting slots 112; for example, the tool rest 21 may be detachably and fixedly connected to the cylinder 11 by a bolt, and for example, the tool rest 21 may be detachably and fixedly connected to the cylinder 11 by a snap structure. The plurality of cutter heads 22 are distributed along the axial direction of the cylinder 11, and the plurality of cutter heads 22 are mounted on the cutter holder 21. Through this design for every group of fiber-releasing cutter all can carry out the individual change, in order when the tool bit 22 of some group of fiber-releasing cutter group 2 becomes dull because of wearing and tearing, can carry out the individual change to this group of fiber-releasing cutter group 2, thereby need not to change whole fiber-releasing unit, prolonged and know fiber-applying unit 101's whole life, and reduce maintenance, the use cost of fiber-releasing applying unit 101.

Further, the cutter head 22 is preferably made of an alloy material, so that the wear resistance of the cutter head 22 is improved, the service life of the defibrator blade set 2 is prolonged, and the full-cycle use cost of the defibrator sizing unit 101 is reduced. In addition, in connection with fig. 8, in the axial direction of the cylinder 11, the cutter heads 22 of the two adjacent groups of fiber-separating cutter groups 2 are preferably staggered with each other, so as to improve the scattering effect of the fiber-separating sizing unit 101 on the fiber mass, thereby improving the scattering degree of the scattered fiber mass and enabling the scattered fiber to be more uniformly and fully mixed with the rubber powder.

The air inlet impeller 12 is mounted on the first end of the cylinder 11, preferably, the air inlet impeller 12 comprises a wheel frame 121 and a plurality of fan blades 122, wherein the wheel frame 121 is detachably connected with the cylinder 11, so that the air inlet impeller 12 has replaceability, and the air inlet impeller 12 can be replaced according to different processing objects and processing requirements of the defibration sizing unit 101, so as to adjust and change the air flow rate and temperature in the box body of the defibration sizing device 100 and the mixing state of the rubber powder and the scattered fibers. The plurality of fan blades 122 are distributed along the circumferential direction of the wheel frame 121, and the fan blades 122 are mounted on the wheel frame 121, so that when the defibration and sizing unit 101 rotates around the rotation center of the defibration and sizing unit, the fan blades 122 of the air inlet impeller 12 can supply air to the inside of the same body.

Further, the defibration and sizing unit 101 may be provided with more than two air inlet impellers 12. The inclination angles of the blades 122 of the same air inlet impeller 12 are equal, and the inclination angles of the blades 122 of each air inlet impeller 12 are unequal. By directly configuring the air inlet impellers 12 with a plurality of different design parameters, a user can directly select and install the corresponding air inlet impellers 12 according to different processing objects and different processing requirements of the defibration and sizing unit 101, and does not need to additionally manufacture or purchase the air inlet impellers 12, so that the user can more conveniently use the defibration and sizing unit 101, and meanwhile, the method is also beneficial to guiding the user how to select the matched air inlet impellers 12.

Of course, as another alternative, the fan blade 122 may be rotatably connected to the wheel frame 121, so that the opening degree of the fan blade 122 may be adjusted, and thus the air flow rate and temperature in the box, the mixing state of the rubber powder and the broken fiber, and the like may not be adjusted by replacing the impeller. For example, the shaft portion and the screw may be disposed on the fan blade 122 and coaxially disposed with the shaft portion, when the fan blade 122 is mounted on the wheel frame 121, the rotating shaft 14 may be rotatably connected to the outer frame of the wheel frame 121, the screw may pass through the inner frame of the wheel frame 121, and then be screwed to the screw by the nut and abut the nut to the wheel frame 121, so that the opening degree of the fan blade 122 may be adjusted; preferably, a first clamping block can be arranged at the shaft part of the fan blade 122, and a first gear structure (such as a plurality of first clamping teeth distributed along the axial direction of the shaft part) is arranged at the outer frame of the wheel frame 121, so that the opening degree of the fan blade 122 can be adjusted by clamping the first clamping block with different first clamping teeth, and the opening degree of each fan blade 122 can be kept consistent; and/or a second clamping block can be arranged at the screw rod of the fan blade 122, and a second gear structure (such as a plurality of second clamping teeth distributed along the axial direction of the shaft part) is arranged at the outer frame of the wheel frame 121, so that the opening degree of the fan blade 122 can be adjusted by clamping the second clamping block with different second clamping teeth; the fixture block may be disposed on the wheel frame 121, and the gear structure may be disposed on the fan blade 122 accordingly.

The sealing plate 13 is installed at the second end of the cylinder 11, and the sealing plate 13 seals the second end of the cylinder 11, so that the air fed by the air inlet impeller 12 is prevented from directly discharging the chassis 102 from the second end of the cylinder 11 and not entering the mixing bin 1021 of the chassis 102, and further, the glue powder can accurately enter the mixing bin 1021 of the chassis 102 to be uniformly and fully mixed with the scattered fibers.

The rotary shaft 14 passes through the air inlet impeller 12, the cylinder 11 and the sealing plate 13, the rotary shaft 14 has a hollow cavity 141, and the hollow cavity 141 is recessed from a first end of the rotary shaft 14 toward a second end of the rotary shaft 14 in the axial direction of the cylinder 11. The opening of the hollow cavity 141 is formed on the first end of the rotating shaft 14, and the hollow cavity 141 does not penetrate through the rotating shaft 14 in the axial direction of the cylinder 11. In addition, be provided with multiunit hole group on the pivot 14, multiunit hole group distributes along the axial of barrel 11, the hole group includes a plurality of through-holes 142, a plurality of through-holes 142 distribute along the circumference of pivot 14, and a through-hole 142 runs through pivot 14 along a radial of pivot 14 for through-hole 142 intercommunication cavity 141 and glue dispersion groove 111, thereby make the rubber powder that drops into in the cavity 141 can be under the centrifugal force effect that produces when the rotation of defibration glueing unit 101 remove to the mixing chamber 1021 of quick-witted case 102 through-hole 142, glue dispersion groove 111, then evenly, abundant mixing with the fibre after being broken up.

Therefore, by designing the defibration sizing unit 101, the rubber powder can be added into the hollow cavity 141 of the rotating shaft 14, so that the rubber powder is thrown out into the cylinder 11 through centrifugal force in the rotating process of the defibration sizing unit 101, the rubber powder can be dispersed into the cylinder 11, and the rubber powder is uniformly moved out of the cylinder 11 from the rubber dispersing groove 111 of the cylinder 11 to be mixed with fiber clusters, thereby reducing the application amount of the rubber powder and saving the production cost; and in the rotation process of the fiber-separating and sizing unit 101, the air inlet impeller 12 rotates along with the rotation to supply air to the inside of the cylinder 11, so that the temperature in the case 102 of the fiber-separating and sizing device 100 and the temperature of the cutter head 22 of the fiber-separating cutter set 2 are reduced, fire accidents caused by heat aggregation in the case 102 are avoided, the production safety is ensured, meanwhile, the air supply of the air inlet impeller 12 is also beneficial to the rubber powder to move out from the rubber dispersing groove 111 into the case 102, and the dispersion degree of fiber clusters is further improved, so that the rubber powder and scattered fibers are uniformly and fully mixed.

The plurality of groups of turbulent flow units 15 are distributed along the axial direction of the cylinder 11, and the turbulent flow units 15 are positioned in the cylinder 11. The spoiler unit 15 includes more than two spoilers 151, the more than two spoilers 151 are distributed along the axial direction of the rotating shaft 14, and the spoilers 151 are fixedly connected with the rotating shaft 14. The turbulent flow unit 15 can perform secondary dispersion on the rubber powder dispersed in the cylinder 11, and the rubber powder is better moved out of the rubber dispersing groove 111 by matching with wind fed by the air inlet impeller 12 to be mixed with the dispersed fiber clusters, so that the mixing uniformity of the rubber powder and the dispersed fibers is further improved, the powder application amount of the rubber powder is better reduced under the condition that the strength of a fiber board produced subsequently is unchanged, and the production cost is further saved.

In addition, as shown in fig. 6, the cylinder 11 is formed with a guide plate 113 at each glue dispersion groove 111, the guide plate 113 extending in the axial direction of the cylinder 11; preferably, the length of the guide plate 113 is equal to the length of the glue dispersing groove 111 in the axial direction of the cylinder 11. In the rotation direction R of the defibration and sizing unit 101, the guide plate 113 is inclined from the upstream end of the glue dispersing groove 111 to the downstream end of the glue dispersing groove 111 and protrudes obliquely to the inside of the cylinder 11; the guide plates 113 have a windward side 1131 and a leeward side 1132, and in the upper side, the windward side 1131 is located at the downstream end of the leeward side 1132, and a glue guiding channel 1130 is formed between the windward side 1131 and the leeward side 1132 of one guide plate 113 located at the downstream end of the windward side 1131. The deflector 113 is used to match the wind from the wind impeller 12 of the defibration and sizing unit 101 to make the rubber powder better move out of the cylinder 11 from the inside of the cylinder 11 through the rubber dispersing groove 111 to mix with the dispersed fiber.

As shown in fig. 1 and 2, a ventilation opening 1024 is further provided on the chassis 102, and the ventilation opening 1024 penetrates through a wall of the chassis 102, so that the ventilation opening 1024 communicates with the mixing chamber 1021. The defibration and sizing unit 101 is rotatably arranged in the mixing bin 1021 around the rotating shaft 14; the air inlet impeller 12 is disposed in the air vent 1024 in a butt-joint manner, and two ends of the rotating shaft 14 respectively extend out of the case 102.

Preferably, the number of vents 1024 on the chassis 102 is more than two; correspondingly, the number of the defibration sizing units 101 is more than two, and the defibration sizing units 101 are in one-to-one correspondence with the vents 1024; in the material moving direction of the fiber-separating and sizing device 100, the two adjacent fiber-separating and sizing units 101 preferably rotate oppositely [ i.e., the two adjacent fiber-separating and sizing units 101 are turned oppositely (the two axial ends of the two adjacent fiber-separating and sizing units 101 can be set 180 degrees opposite to each other) ], so that the cutting edges of the fiber-separating knife groups 2 of the two adjacent fiber-separating and sizing units 101 rotate oppositely. The design enables the fiber clusters to be more fully dispersed so as to improve the dispersion degree of the dispersed fibers, so that the rubber powder can be more uniformly and fully mixed with the dispersed fibers.

In this embodiment, bearing seats 103 are respectively disposed at two ends of the rotating shaft 14 extending out of the chassis 102, so that the rotating shaft 14 can rotate around its own axis more smoothly, and a belt pulley 104 is disposed at the second end of the rotating shaft 14, so that the fiber-separating and sizing device 100 can drive the rotating shaft 14 to rotate through a motor and a driving belt with belt pulleys disposed on a motor shaft.

The workflow of the defibration sizing device 100 is briefly described below:

first, the defibering apparatus 100 is started such that the plurality of defibering units 101 of the defibering apparatus 100 are rotated.

Then, adding rubber powder into the hollow cavity 141 of the rotating shaft 14, so that the rubber powder can be uniformly dispersed into the mixing bin 1021 of the machine case 102 through the through holes 142 and the powder dispersing groove under the centrifugal force of the rotary defibration sizing unit 101 and the wind sent by the air inlet impeller 12; subsequently, the fiber clusters can be fed into the feed port 1022 of the cabinet 102, so that the fiber clusters can be scattered by the cutter head 22 of the defibration and sizing unit 101 after entering the mixing bin 1021, and the scattered fibers and the rubber powder scattered in the mixing bin 1021 are uniformly and fully mixed. In the rotation process of the defibration and sizing unit 101, the air inlet impeller 12 extracts air into the mixing cabin 1021 through the ventilation opening 1024 on the machine case 102, so that the temperature in the mixing cabin 1021 and the temperature of the cutter head 22 are effectively reduced.

The mixed material mixed with the rubber powder and the broken fibers is then discharged from the discharge port 1023 of the housing 102.

In summary, the fiber-splitting and sizing device 100 is provided with the fiber-splitting and sizing unit 101, so that the fiber-splitting and sizing unit 101 can cool the mixer, thereby avoiding fire accidents caused by heat aggregation in the chassis 102 and ensuring the production safety; meanwhile, the defibration sizing unit 101 can also cool the cutter heads 22 of the defibration cutter set 2 in the running process, so that the service lives of the cutter heads 22 are prolonged; in addition, the rubber powder in the mixing bin 1021 and the scattered fibers can be uniformly and fully mixed, so that the use amount of the rubber powder is reduced, and the production cost is reduced; furthermore, as each group of fiber splitting cutters of the fiber splitting and sizing unit 101 can be independently replaced, the overall service life of the fiber splitting and sizing unit 101 is effectively prolonged, and the maintenance and use cost of the fiber splitting and sizing unit 101 is reduced.

Fiberboard production system embodiment

The fiber board production system comprises the fiber-separating and sizing equipment in the embodiment of the fiber-separating and sizing equipment; preferably, the fiberboard production system may further comprise a fiber mass delivery apparatus and a conveying apparatus. The fiber mass feeding equipment is used for feeding the fiber mass into a feed port of a cabinet of the fiber mass splitting and sizing equipment, so that the fiber mass is scattered by the fiber mass splitting and sizing unit after entering a mixing bin of the cabinet, and meanwhile, the rubber powder fed from a hollow cavity of a rotating shaft of the fiber mass splitting and sizing unit can be uniformly and fully mixed with the scattered limit; the conveying equipment is used for receiving the mixed material containing fiber and rubber powder discharged from the discharge port of the machine box and transferring the mixed material to the later-stage equipment for recycling or further processing.

Therefore, by arranging the fiber-splitting and sizing equipment, the chassis of the fiber-splitting and sizing equipment and the cutter head of the fiber-splitting cutter set can be well cooled in the production process, so that fire accidents caused by heat aggregation in the chassis are avoided, and the production safety is ensured; in addition, the uniform and sufficient mixing of the rubber powder and the scattered fibers in the production process can be ensured, so that the rubber powder consumption can be reduced better under the condition that the strength of the produced fiber board is unchanged, and the production cost is reduced; furthermore, each group of fiber-separating cutters can be independently replaced, so that the overall service life of the fiber-separating and sizing unit can be effectively prolonged, and the maintenance and use cost of the fiber-separating and sizing unit can be reduced.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the utility model, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the utility model.

Claims (10)

1. The fiber-separating sizing unit comprises a roller frame and a plurality of groups of fiber-separating cutter groups, and is characterized in that the roller frame comprises:

the device comprises a barrel, wherein a plurality of glue dispersing grooves are formed in the peripheral wall of the barrel, the glue dispersing grooves extend along the axial direction of the barrel, the glue dispersing grooves penetrate through the barrel wall in the thickness direction of the barrel wall of the barrel, the glue dispersing grooves and a plurality of groups of fiber-separating cutter groups are distributed at intervals in the circumferential direction of the barrel, and the fiber-separating cutter groups are connected with the barrel;

the air inlet impeller is arranged on the first end part of the cylinder body and can supply air to the inside of the cylinder body;

the sealing plate is arranged at the second end part of the cylinder body and seals the second end part of the cylinder body;

the rotating shaft penetrates through the air inlet impeller, the cylinder body and the sealing plate, the rotating shaft is provided with a hollow cavity, the hollow cavity is axially recessed from the first end of the rotating shaft to the second end of the rotating shaft, a plurality of groups of hole groups are arranged on the rotating shaft and are axially distributed, through holes of the hole groups penetrate through the rotating shaft in the radial direction of the rotating shaft, and the through holes are communicated with the hollow cavity and the glue dispersing groove.

2. The defibration sizing unit according to claim 1, wherein:

the roller frame also comprises a plurality of groups of turbulence units, the plurality of groups of turbulence units are distributed along the axial direction, the turbulence units are positioned in the cylinder body, each turbulence unit comprises more than two turbulence plates, the more than two turbulence plates are distributed along the circumferential direction of the rotating shaft, and the turbulence plates are connected with the rotating shaft.

3. The defibration sizing unit according to claim 2, wherein:

the guide plates extend along the axial direction, and in the rotating direction of the defibration and sizing unit, the guide plates incline from the upstream end of the glue dispersing groove to the downstream end of the glue dispersing groove and extend into the barrel;

the guide plate is provided with a windward side and a leeward side, the windward side is positioned at the downstream end of the leeward side in the rotation direction, and a glue guiding channel is formed between the windward side and the leeward side of one guide plate positioned at the downstream end of the windward side.

4. The defibration sizing unit according to claim 1, wherein:

a plurality of mounting grooves are formed in the peripheral wall of the cylinder body, the plurality of mounting grooves extend along the axial direction, the mounting grooves are recessed from the peripheral wall of the cylinder body to the inside of the cylinder body, the plurality of mounting grooves and the plurality of glue dispersing grooves are arranged at intervals in the circumferential direction of the cylinder body, and a plurality of groups of fiber-separating knife groups correspond to the plurality of mounting grooves one by one;

the fiber-splitting knife group comprises a knife rest and a plurality of knife heads, wherein the knife rest is detachably arranged in a corresponding mounting groove, the knife heads are distributed along the axial direction, and the knife heads are all arranged on the knife rest.

5. The defibration sizing unit according to claim 4, wherein:

the tool bit is made of alloy materials;

and in the circumferential direction of the cylinder body, the cutter heads of two adjacent groups of fiber-separating cutter groups are staggered.

6. The defibration sizing unit according to claim 1, wherein:

the air inlet impeller comprises:

the wheel frame is detachably connected with the cylinder body;

the fan blades are distributed along the circumferential direction of the wheel frame, the fan blades are arranged on the wheel frame, and when the defibration sizing unit rotates, the fan blades supply air to the inside of the cylinder body.

7. The defibration sizing unit according to claim 6, wherein:

the number of the air inlet impellers is more than two, the inclination angles of the blades of the same air inlet impeller are equal, and the inclination angles of the blades of each air inlet impeller are unequal.

8. The fiber-dissolving and sizing equipment comprises a machine case, wherein a mixing bin is arranged in the machine case, the machine case is further provided with a feed inlet and a discharge outlet, and the feed inlet and the discharge outlet are respectively communicated with the mixing bin, and the fiber-dissolving and sizing equipment is characterized in that:

the defibration sizing device further comprising a defibration sizing unit according to any one of claims 1 to 7;

the machine case is provided with a vent, the vent is communicated with the mixing bin, the defibration sizing unit is rotatably arranged in the mixing bin around the rotation axis of the defibration sizing unit, the air inlet impeller is arranged in the vent in a butt joint mode, and two ends of the rotating shaft extend out of the machine case respectively.

9. The defibration sizing device according to claim 8, wherein:

the number of the ventilation openings is more than two;

the number of the defibration sizing units is more than two, and the defibration sizing units are in one-to-one correspondence with the ventilation openings;

and in the material moving direction of the fiber-separating and sizing equipment, the two adjacent fiber-separating and sizing units rotate oppositely, so that the cutting edges of the fiber-separating knife groups of the two adjacent fiber-separating and sizing units rotate oppositely.

10. A fiberboard production system comprising a defibration sizing device according to claim 8 or 9.