CN204977100U - Plastic mixer - Google Patents

Abstract

The utility model provides a plastic mixer, holds chamber bottom centre of a circle department and wears to be equipped with the output shaft including the appearance chamber of taking the support frame, and the output shaft is connected with the motor through the belt, and the output shaft is equipped with the stirring rake in holding the intracavity side, and with to hold the chamber bottom tangent below the blade of stirring rake, its outside limit is with to hold the chamber lateral wall tangent, and the impeller deviates from its direction of rotation kickup and is the arc, and the arc central angle of impeller is greater than 90 degrees and is less than 180 degrees, and edge and outside limit edge are the cockscomb structure below the blade. Since the lower level of impeller and outside limit with hold the chamber bottom and hug closely with the lateral wall, and the blade to deviate from stirring rake direction of rotation crooked, the blade just can be with hold the intracavity downside and marginal material shovel like this to make material along the recess upset of upwards climbing, and then realize material upper strata and lower floor, homogeneous mixing between skin and the inlayer, moreover this adjacent both sides all be the cockscomb structure, thus more be favorable to the blade to shovel intracavity downside and marginal material, it is feasible that to stir efficiency higher. Consequently, be fit for being used for the plastics manufacturing process of great majority.

Description

A kind of plastic mixer

Technical field

The utility model relates to technical field of plastic processing machinery, particularly relates to a kind of plastic mixer.

Background technology

Plastic tube is generally with synthetic resin, and namely polyester is raw material, adds stabilizing agent, lubricant, plasticizer etc., forms in tuber with the method for " moulding " through extrusion process.Because it has light weight, corrosion-resistant, good looking appearance, without features such as bad smell, handling ease, easy constructions, obtains and apply more and more widely in architectural engineering.Matched penetration pipe etc. installed by the main tap water supply system pipe arrangement as building construction, draining, exhaust and blowdown sanitary pipe, subsoil drain system, rain pipe and electric wire.

And plastic mixer is one of machinery common in plastic pipe manufacture, has that power consumption is low, less manpower, manipulation are convenient, the mixing fast advantage such as even.Can be widely used in: the new and old material of plastics sheet stock, crushed material, plastic pellet, plastic cement and add the purposes such as look mother stirs.

Support is comprised as the application number Chinese patent " a kind of plastic mixer " that is 201220263788.1 discloses a kind of plastic mixer, be located at the container above support, two blades are had in container, two described blades are arranged in the rotating shaft in the middle of in container, rotating shaft is connected with the motor of lower vessel portion, it is characterized in that: described support comprises three legs, cross bar is provided with between adjacent two legs, wherein also be provided with a fixed mount between a pair adjacent two leg, described motor is arranged on fixed mount.

Although this utility model is owing to adopting the design of three legs, advantages such as having that structure is simple, floor space is little, save material, less manpower, manipulation are convenient, and when ground is not very smooth, still can the state of held stationary.

But, blade due to this plastic mixer is plane, so blade is in the process of rotating, to material to stir trend little, so often cause substrate material and upper materials, cannot mix between outer peripheral face material with inner peripheral surface material, thus finally cause produced plastic pipe quality greatly to decline.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of plastic grain mixer easily mixed.

For achieving the above object, the utility model provides following technical scheme: a kind of plastic mixer, comprise the cavity volume of band bracing frame, bottom described cavity volume, circle centre position is equipped with output shaft, described output shaft is connected with motor by belt, described output shaft is provided with paddle inside cavity volume, the blade of described paddle below and tangent bottom cavity volume, impeller outer side and the cavity volume sidewall of described paddle are tangent, and impeller deviates from its direction of rotation is bent upwards curved, the arc central angle of impeller is greater than 90 degree and is less than 180 degree, the following edge of described blade and outer side edges edge indentation.

As preferably, the outer side edges of described blade bends curved, and the arc central angle of outer side edges is 15 ° ~ 30 °.

As preferably, described paddle comprises 3 along the equally distributed blade of output shaft circumference.

As preferably, be provided with exhaust vent bottom described cavity volume, described exhaust vent is communicated with air blast by ventilation duct.

As preferably, described exhaust vent is coated with screen pack.

The utility model has following advantage: due to impeller below and the bottom of outer side edges and cavity volume and sidewall be close to, add blade back to bend from paddle direction of rotation, such blade just can by the material at cavity volume inner underside and edge by scooping up, and material upwards to be climbed upset along groove, and then realize material upper strata and lower floor, Homogeneous phase mixing between skin and internal layer, moreover these adjacent both sides are all zigzag, thus be more conducive to blade the material at chamber inner underside and edge is scooped up, make stirring efficiency higher.Therefore, most plastic manufacturing process is suitable for.

Secondly, the outer side edges of blade is bending in 15 ° ~ 30 °, and the material of cavity volume sidewall more can scoop up by such blade effectively, makes material more smooth and easy in the process of creeping inside blade, prevents material gathering in blade.Moreover the quantity of blade is 3, thus under the prerequisite of stirring work can being completed with greater efficiency, reduce the rapidoprint of mixer.Finally, bottom cavity volume, be provided with the exhaust vent of band screen pack, by the air blast of exhaust vent, material turned over mixed more even, better effects if, and material can be filtered net and blocks, and can not enter into air vent inside, and cause the obstruction of air vent.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of plastic mixer of the utility model;

Fig. 2 is the top view of a kind of plastic mixer of the utility model;

Fig. 3 is the upward view of a kind of plastic mixer of the utility model;

Fig. 4 is the right view of a kind of plastic mixer of the utility model;

Fig. 5 is that the impeller of a kind of plastic mixer of the utility model arranges schematic diagram;

Fig. 6 is the A place enlarged drawing of Fig. 1;

Fig. 7 is the B place enlarged drawing of Fig. 2.

In figure: 1, cavity volume; 2, feet; 3, output shaft; 4, motor; 5, blade; 6, exhaust vent; 7, ventilation duct; 8, screen pack; 9, outer side edges.

Detailed description of the invention

Referring to figs. 1 through Fig. 7, the utility model embodiment is described further.

A kind of plastic mixer of the utility model, comprise the cavity volume 1 of band bracing frame, this bracing frame comprises three feets, 2, three feets 2 and evenly arranges along cavity volume 1 side face, and feet 2 and ground are 60 °.Simultaneously, bottom cavity volume 1, circle centre position is equipped with output shaft 3, output shaft 3 is connected to motor 4 relative to the other end of cavity volume 1 by belt, and output shaft 3 is provided with the paddle of band blade 5 inside cavity volume 1, tangent bottom the following and cavity volume of blade 5, the outer side edges 9 of blade 5 is tangent with cavity volume sidewall, blade 5 deviates from paddle direction of rotation and is bent upwards curved, the angle of the arc central angle ψ of blade is greater than 90 ° and is less than 180 °, preferred ψ angle is 135 ° herein, and the following edge of this blade and outer side edges 9 edge all indentations.

Thus be close to the zigzag design with the edge of sidewall bottom cavity volume 1 at the blade of paddle, can effectively scoop up bottom cavity volume 1 with the material of sidewall, simultaneously, bend because blade 5 deviates from paddle direction of rotation, so by blade 5 below and the material that scoops up of outer side edges 9 edge will climb along blade, thus have effectively achieved upper materials and lower floor's material, the Homogeneous phase mixing between internal layer material and outer skin materials.

Further scheme is, the outer side edges 9 of blade 5 bends curved, and the angle of the central angle of arc is 15 ° ~ 30 °, is 15 ° at this optimized angle.And then tiny material scoops up by blade 5 more effectively, make the mixing of materials in cavity volume 1 more even.

Further scheme is, paddle with the quantity of blade be three, and blade is equally distributed along the circumference of output shaft, be conducive to like this paddle stir with greater efficiency under prerequisite under, decrease the rapidoprint of mixer.Meanwhile, material is more even under the stirring of blade 5, and efficiency is higher.

Further scheme is, cavity volume 1 bottom even is provided with some exhaust vents 6, the lower end of exhaust vent 6 is communicated with air blast by ventilation duct 7, and exhaust vent 6 is provided with screen pack 8, screen pack 8 mesh specification is 0.1mm ~ 1mm, and then prevent material to enter in ventilation duct 7 by screen pack 8, obstruction is caused to ventilation duct 7.Meanwhile, be also conducive to air and enter in cavity volume 1 from exhaust vent 6, the material in cavity volume 1 is mixed more fully.

The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. a plastic mixer, comprise the cavity volume of band bracing frame, bottom described cavity volume, circle centre position is equipped with output shaft, described output shaft is connected with motor by belt, it is characterized in that: described output shaft is provided with paddle inside cavity volume, the blade of described paddle below and tangent bottom cavity volume, impeller outer side and the cavity volume sidewall of described paddle are tangent, and impeller deviates from its direction of rotation is bent upwards curved, the arc central angle of impeller is greater than 90 degree and is less than 180 degree, the following edge of described blade and outer side edges edge indentation.

2. a kind of plastic mixer according to claim 1, is characterized in that: the outer side edges of described blade bends curved, and the arc central angle of outer side edges is 15 ° ~ 30 °.

3. a kind of plastic mixer according to claim 1, is characterized in that: described paddle comprises 3 along the equally distributed blade of output shaft circumference.

4. a kind of plastic mixer according to claim 1, it is characterized in that: be provided with exhaust vent bottom described cavity volume, described exhaust vent is communicated with air blast by ventilation duct.

5. a kind of plastic mixer according to claim 4, is characterized in that: described exhaust vent is coated with screen pack.