阅读说明：本技术 一种具有干燥功能的塑料混色机 (Plastics color mixer with drying function ) 是由 李贵国 于 2019-09-02 设计创作，主要内容包括：本发明公开了一种具有干燥功能的塑料混色机,包括机体,所述机体的中间转动插设有空心转轴,所述空心转轴的上端穿过机体的上顶壁位于机体的外侧,所述机体的上端安装有通风加热机构,所述空心转轴的外侧从上到下依次焊接有固定焊接有螺旋搅拌叶和环形等距分布的多个弧形干燥搅拌叶,所述螺旋搅拌叶的转动半径从下到上依次增加。本发明通过螺旋搅拌叶和弧形干燥搅拌叶使得塑料颗粒混色搅拌更加均匀,且使得塑料颗粒循环受热均匀,热气流直接与塑料颗粒接触加热,增加机器的能效,干燥后的塑料颗粒直接排出,降低受潮率,且风叶与空心转轴共用同一动力电机,降低能源损耗和机器成本。(The invention discloses a plastic color mixing machine with a drying function, which comprises a machine body, wherein a hollow rotating shaft is inserted in the middle of the machine body in a rotating mode, the upper end of the hollow rotating shaft penetrates through the upper top wall of the machine body and is positioned on the outer side of the machine body, a ventilation and heating mechanism is installed at the upper end of the machine body, a spiral stirring blade and a plurality of arc-shaped drying stirring blades distributed in an annular and equidistant mode are welded on the outer side of the hollow rotating shaft from top to bottom in sequence, and the rotating radius of the spiral stirring blade is increased from bottom to top in sequence. According to the invention, the spiral stirring blades and the arc-shaped drying stirring blades are used for uniformly mixing and stirring the color of the plastic particles, the plastic particles are uniformly heated in a circulating manner, hot air flow is directly contacted with the plastic particles for heating, the energy efficiency of a machine is increased, the dried plastic particles are directly discharged, the moisture rate is reduced, and the fan blades and the hollow rotating shaft share the same power motor, so that the energy loss and the machine cost are reduced.)

1. The utility model provides a plastics machine that mixes colours with drying function, includes organism (1), its characterized in that, the centre of organism (1) is rotated and is inserted and is equipped with hollow rotating shaft (9), the upper end of hollow rotating shaft (9) is passed the last top wall of organism (1) and is located the outside of organism (1), ventilation heating mechanism is installed to the upper end of organism (1), the outside of hollow rotating shaft (9) has welded in proper order from the top down and has fixed welding spiral stirring leaf (4) and a plurality of dry stirring leaf (8) of arc that annular equidistance distributes;

The turning radius from the bottom up of spiral stirring leaf (4) increases in proper order, every feed inlet (17), every have all been seted up to the one end that hollow pivot (9) were kept away from in dry stirring leaf of arc (8) discharge gate (18) have all been seted up to the outer arc side that dry stirring leaf of arc (8) are close to hollow pivot (9) one end, the inside of dry stirring leaf of arc (8) is the cavity, venthole (5) have not been seted up in punishment that dry stirring leaf of a plurality of arcs (8) are located in hollow pivot (9).

2. The plastic color mixing machine with the drying function according to claim 1, wherein the ventilation and heating mechanism comprises a fan cover (10) fixedly mounted on the machine body (1), a ventilation frame (13) is fixedly mounted in the fan cover (10), an electric heating pipe (12) is fixedly mounted on the ventilation frame (13), a rotating shaft (15) is rotatably inserted on the ventilation frame (13), the lower end of the rotating shaft (15) extends into the hollow rotating shaft (9), a support frame (14) is fixedly sleeved at the lower end of the rotating shaft (15), the support frame (14) is fixed on the inner side wall of the hollow rotating shaft (9), and a fan blade (16) is fixedly mounted at the upper end of the rotating shaft (15) which is positioned on the hollow rotating shaft (9).

3. the plastic color mixing machine with drying function according to claim 1, characterized in that a power motor (6) is fixedly installed at the lower end of the machine body (1), and an output shaft of the power motor (6) is fixedly inserted at the lower end of the hollow rotating shaft (9).

Technical Field

the invention relates to the field of plastic processing, in particular to a plastic color mixing machine with a drying function.

Background

The color mixer is a machine which utilizes the swirling high-speed operation of a material stirring blade to roll plastic particles (or resin powder) at a high speed, collide with the plastic particles, rub and heat the plastic particles, and simultaneously, the materials are mixed with colors and water is quickly evaporated from an exhaust pipe to achieve the aim of drying.

In the existing color mixer with drying function, as described in the patent "vertical color mixer with drying function" with application number 201821012176.9, the produced mixed color plastic is dried by an external fan, and in the stirring process, heat is conducted to the stirring rod and the stirring pipe through the electric heating pipe to heat and evaporate moisture to the mixed color plastic, so as to achieve the purpose of drying the mixed color plastic, however, in this scheme, even if the stirring rod and the stirring pipe are made of aluminum alloy materials, the heat needs to be conducted to the aluminum alloy stirring pipe and the stirring rod through air, the stirring rod and the stirring pipe conduct the heat to the plastic particles through contact, the heat is dissipated too much, the conduction efficiency is low, the actual energy consumption of the color mixer is increased, and the air output by the fan is the sucked external unheated cold air, the moisture content is high, when the plastic particles are discharged after high-temperature stirring, the mixed color plastic is easy to be wetted, so that the drying of the mixed color plastic can be accelerated by a fan, and the drying rate is reduced.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the heat transfer efficiency is low due to excessive heat-conducting and heat-transferring media, namely the moisture evaporation speed is low, the dried plastic is damped again due to the fact that outside air is introduced, and the power consumption and the machine cost are increased due to the additional arrangement of a fan, and provides the plastic color mixing machine with the drying function.

In order to achieve the purpose, the invention adopts the following technical scheme:

A plastic color mixing machine with a drying function comprises a machine body, wherein a hollow rotating shaft is inserted in the middle of the machine body in a rotating mode, the upper end of the hollow rotating shaft penetrates through the upper top wall of the machine body and is located on the outer side of the machine body, a ventilation and heating mechanism is installed at the upper end of the machine body, and a spiral stirring blade and a plurality of arc-shaped drying stirring blades distributed in an annular equidistant mode are welded on the outer side of the hollow rotating shaft from top to bottom in sequence;

The rotating radius of the spiral stirring blade is sequentially increased from bottom to top, so that in the stirring process of the spiral stirring blade, plastic particles are stirred and pushed to the periphery of the upper end of the interior of the machine body from the middle of the lower end of the interior of the machine body by the spiral stirring blade, the plastic particles are circularly stirred and rolled from bottom to top continuously, and the stirring efficiency is increased;

A feed inlet is formed in one end, away from the hollow rotating shaft, of each arc-shaped drying and stirring blade, a discharge outlet is formed in the outer arc side, close to one end of the hollow rotating shaft, of each arc-shaped drying and stirring blade, a cavity is formed in each arc-shaped drying and stirring blade, and air outlet holes are formed in the positions, located on the plurality of arc-shaped drying and stirring blades, of the hollow rotating shaft respectively;

When the arc-shaped drying stirring blade starts to rotate for stirring, the arc-shaped drying stirring blade extrudes plastic particles into the cavity along the feeding hole through rotation, the plastic particles are continuously extruded in the rotating process, the plastic particles gradually move to the hollow rotating shaft in the cavity of the arc-shaped drying stirring blade and are then extruded from the discharging hole close to the hollow rotating shaft, the plastic particles continuously flow through the cavity of the arc-shaped drying stirring blade in the continuous stirring process, the plastic particles are extruded to the rotating shaft in the middle of the machine body each time and are matched with the spiral stirring blade, the spiral stirring blade stirs and pushes the plastic particles at the middle bottom of the machine body to the periphery of the upper end of the machine body, the arc-shaped drying stirring blade extrudes the plastic particles at the periphery of the bottom of the machine body to the middle bottom of the machine body through the inner cavity, the plastic particles at the periphery of the machine body are continuously collapsed from top to bottom, and then, and the stirring is uniform, so that all plastic particles pass through the cavity of the arc-shaped drying stirring blade.

Preferably, the ventilation heating mechanism comprises a fan cover fixedly mounted on the machine body, a ventilation frame is fixedly mounted in the fan cover, an electric heating pipe is fixedly mounted on the ventilation frame, a metal filter screen is embedded in the upper end of the fan cover, a rotating shaft is rotatably inserted in the ventilation frame, the lower end of the rotating shaft extends into the hollow rotating shaft, a support frame is fixedly sleeved at the lower end of the rotating shaft and is fixed on the inner side wall of the hollow rotating shaft, and fan blades are fixedly mounted at the upper end of the rotating shaft, which is positioned on the hollow rotating shaft;

The electric heating pipe produces the heat, hollow rotating shaft rotates and drives the pivot through the support frame and rotate, the pivot drives the fan blade and begins to rotate, the fan blade rotates and makes the air current blow from last down, i.e. the fan blade blows in the air that electric heating pipe department heated in hollow rotating shaft, the hot gas flow is down to a plurality of ventholes in hollow rotating shaft, and blow to the cavity of dry stirring leaf of arc through a plurality of ventholes in, when plastic granules extrudes the discharge gate along the feed inlet promptly, the hot gas flow that receives the venthole blows, then plastic granules is heated and is heated up, the moisture that carries begins to evaporate, in discharge gate department, plastic granules receives the hot gas flow thrust of venthole and can the cavity extrusion force of all the other plastic granules, under the extrusion of two power, plastic granules extrudes the discharge gate fast, increase plastic granules's flow velocity, increase.

preferably, the lower extreme fixed mounting of organism has motor power, motor power's output shaft is fixed to be inserted and is established the lower extreme at hollow rotating shaft, and motor power provides rotary power for hollow rotating shaft, the lower extreme of organism is fixed to be inserted and is equipped with the relief valve, the upper end both sides of organism are inserted respectively and are established and install feeding funnel and blast pipe, and moisture steam is discharged from the blast pipe promptly, and the dry plastics granule of accomplishing of colour mixture is direct to be discharged the packing from the relief valve, reduces with the outside air contact time of air.

The invention has the following beneficial effects:

1. realize the circulation stirring of plastic granules in the organism through spiral stirring leaf and dry stirring leaf of arc for plastic granules constantly removes all around to the organism upper end from the bottom of the body in the middle of through spiral stirring leaf, and the dry stirring leaf of rethread arc makes plastic granules from the upper end slump all around to the bottom and extrudees in the middle of the bottom, increases the homogeneity of plastic granules colour mixture.

2. ventilation heating mechanism blows in hollow pivot with external cold air heating to blow in the cavity to the dry stirring leaf of arc from the venthole of hollow pivot, make all plastic granules that flow into in the dry stirring leaf cavity of arc be heated with the moisture evaporation, make hot-blast direct and plastic granules heat transfer, no intermediate medium conduction, heat conduction efficiency is higher, increases the efficiency of machine promptly.

3. the plastic granules after drying directly discharge the packing along the relief valve and reduce the moisture in dry plastic granules absorption air for plastic granules keeps a comparatively dry state throughout, uses in the follow-up production of being convenient for.

4. the power for the operation of the fan blades and the rotation of the hollow rotating shaft comes from the same power motor, and additional fan drying is not needed, so that the machine cost is reduced, and the energy loss is reduced.

In conclusion, the spiral stirring blades and the arc-shaped drying stirring blades enable color mixing and stirring of plastic particles to be more uniform, the plastic particles are heated uniformly in a circulating mode, hot air flow is directly contacted with the plastic particles for heating, energy efficiency of a machine is improved, the dried plastic particles are directly discharged, the moisture rate is reduced, the fan blades and the hollow rotating shaft share the same power motor, and energy consumption and machine cost are reduced.

Drawings

Fig. 1 is a schematic structural diagram of a plastic color mixer with a drying function according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a partial enlarged view of an arc-shaped drying stirring blade of the plastic color mixing machine with the drying function.

in the figure: the device comprises a machine body 1, an exhaust pipe 2, a charging hopper 3, a spiral stirring blade 4, an air outlet 5, a power motor 6, a discharge valve 7, an arc-shaped drying stirring blade 8, a hollow rotating shaft 9, a fan cover 10, a metal filter screen 11, an electric heating pipe 12, a ventilation frame 13, a supporting frame 14, a rotating shaft 15, a fan blade 16, a feed inlet 17 and a discharge outlet 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a plastic color mixer with drying function comprises a machine body 1, wherein a hollow rotating shaft 9 is inserted in the middle of the machine body 1 in a rotating manner, the upper end of the hollow rotating shaft 9 penetrates through the upper top wall of the machine body 1 and is positioned on the outer side of the machine body 1, a ventilation and heating mechanism is installed at the upper end of the machine body 1, and a spiral stirring blade 4 and a plurality of arc-shaped drying stirring blades 8 which are distributed annularly and equidistantly are fixedly welded on the outer side of the hollow rotating shaft 9 from top to bottom in sequence;

The rotating radius of the spiral stirring blades 4 is sequentially increased from bottom to top, so that in the stirring process of the spiral stirring blades 4, plastic particles are stirred and pushed to the periphery of the upper end of the inside of the machine body 1 from the middle of the lower end of the inside of the machine body 1 by the spiral stirring blades 4, the plastic particles are circularly and continuously stirred from bottom to top, and the stirring efficiency is increased;

A feed inlet 17 is formed in one end, away from the hollow rotating shaft 9, of each arc-shaped drying and stirring blade 8, a discharge outlet 18 is formed in the outer arc side, close to one end of the hollow rotating shaft 9, of each arc-shaped drying and stirring blade 8, a cavity is formed inside each arc-shaped drying and stirring blade 8, and air outlet holes 5 are formed in the positions, located on the plurality of arc-shaped drying and stirring blades 8, of the hollow rotating shaft 9 respectively;

when the arc-shaped drying stirring blade 8 starts to rotate and stir, the arc-shaped drying stirring blade 8 extrudes plastic particles into the cavity along the feed inlet 17 through rotation, the plastic particles are continuously extruded in the rotation process, the plastic particles gradually move to the hollow rotating shaft 9 in the cavity of the arc-shaped drying stirring blade 8 and are then extruded from the discharge port 18 close to the hollow rotating shaft 9, the plastic particles continuously flow through the cavity of the arc-shaped drying stirring blade 8 in the continuous stirring process, the plastic particles are extruded to the rotating shaft in the middle of the machine body 1 each time and are matched with the spiral stirring blade, the spiral stirring blade 4 stirs and pushes the plastic particles at the bottom in the middle of the machine body 1 to the periphery of the upper end of the machine body 1, the arc-shaped drying stirring blade 8 extrudes the plastic particles at the periphery of the bottom of the machine body 1 to the bottom in the middle of the machine body 1 through the inner cavity, and the plastic particles at the periphery, the plastic particles are stirred in the machine body 1 in a large circulation mode and are uniformly stirred, so that all the plastic particles pass through the cavity of the arc-shaped drying stirring blade 8.

The ventilation and heating mechanism comprises a fan cover 10 fixedly arranged on the machine body 1, a ventilation frame 13 is fixedly arranged in the fan cover 10, an electric heating pipe 12 is fixedly arranged on the ventilation frame 13, a metal filter screen 11 is embedded at the upper end of the fan cover 10, a rotating shaft 15 is rotatably inserted in the ventilation frame 13, the lower end of the rotating shaft 15 extends into the hollow rotating shaft 9, a support frame 14 is fixedly sleeved at the lower end of the rotating shaft 15, the support frame 14 is fixed on the inner side wall of the hollow rotating shaft 9, and a fan blade 16 is fixedly arranged at the upper end, positioned on the hollow rotating shaft 9, of the rotating;

The electric heating tube 12 generates heat, the hollow rotating shaft 9 rotates to drive the rotating shaft 15 to rotate through the supporting frame 14, the rotating shaft 15 drives the fan blade 16 to start rotating, the fan blade 16 rotates to blow air flow from top to bottom, that is, the fan blade 16 blows the air heated by the electric heating tube 12 into the hollow rotating shaft 9, the hot air flow goes down to a plurality of air outlets 5 along the hollow rotating shaft 9 and blows to the cavity of the arc drying stirring blade 8 through the plurality of air outlets 5, namely, when the plastic particles are extruded to the discharge hole 18 along the feed hole 17 and blown by the hot air flow of the air outlet hole 5, the plastic particles are heated and heated, the carried moisture begins to evaporate, at the discharge port 18, the plastic particles can be extruded by the rest plastic particles in the cavity under the thrust of hot air flow of the air outlet 5, under the extrusion of two forces, the plastic particles are rapidly extruded out of the discharge port 18, and the flow speed of the plastic particles is increased, namely the stirring color mixing speed and the stirring drying speed are increased.

The lower extreme fixed mounting of organism 1 has motor power 6, motor power 6's output shaft is fixed to be inserted and is established the lower extreme at hollow rotating shaft 9, motor power 6 provides rotary power for hollow rotating shaft 9, the lower extreme of organism 1 is fixed to be inserted and is equipped with relief valve 7, the upper end both sides of organism 1 are inserted respectively and are established and install feeding funnel 3 and blast pipe 2, moisture steam is discharged from blast pipe 2 promptly, the direct packing of discharging valve 7 discharge from of plastic granules of the dry completion of colour mixture, reduce with the external air contact time of air.

when the invention is used, plastic particles and a colorant are poured into a machine body 1 along a feeding hopper 3, an electric heating pipe 12 is opened, then a power motor 6 is opened, a hollow rotating shaft 9 connected with an output shaft of the power motor 6 starts to rotate, a rotating shaft 15 fixedly connected with the hollow rotating shaft 9 through a support frame 14 starts to rotate, a fan blade 16 rotates, airflow filters impurities along the outside through a metal filter screen 11 and enters a fan cover 10, then the airflow is heated by the electric heating pipe 12 to form hot airflow which is blown into the hollow rotating shaft 9, then the hot airflow enters a cavity of an arc-shaped drying stirring blade 8 along a plurality of air outlet holes 5 in the hollow rotating shaft 9, when the hollow rotating shaft 9 rotates, the spiral stirring blade 4 and the arc-shaped drying stirring blade 8 rotate and stir, the plastic particles at the middle bottom of the machine body 1 are stirred and pushed to the periphery of the upper end of the machine body 1 by the spiral stirring blade 4, the arc-shaped drying stirring blade 8, the plastic particles around the arc-shaped drying and stirring blade 8 are continuously collapsed and fall down from top to bottom, the plastic particles are extruded into the arc-shaped drying and stirring blade along the feeding hole 17 and then extruded to the discharging hole 18, the plastic particles are blown by the hot air at the discharging hole 5 at the discharging hole 18 to be heated and pushed out along the discharging hole 18 by the extrusion force and the hot air thrust force, the stirring circulation is accelerated, the plastic particles are heated up, namely, the moisture evaporation is accelerated, the plastic particles are directly contacted with the hot air for heat conduction, the heat conduction efficiency is increased, namely, the machine energy efficiency is increased, the water is evaporated and then discharged along the exhaust pipe 2, the machine body 1 is in a high-temperature state along with the stirring, external cold air cannot enter the machine body 1 from the exhaust pipe 2 or the feeding funnel 3, namely, the plastic particles cannot be affected with damp, the dried plastic particles are directly discharged through the discharge valve 7 after the mixed color drying is, reduce the moisture rate.

the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.