CN2386876Y

CN2386876Y - Spiral mixer

Info

Publication number: CN2386876Y
Application number: CN 99239848
Authority: CN
Inventors: 张江原; 金绍华
Original assignee: SHANGHAI RISING CURRENT MACHINERY FACTORY
Current assignee: SHANGHAI RISING CURRENT MACHINERY FACTORY
Priority date: 1999-10-09
Filing date: 1999-10-09
Publication date: 2000-07-12
Anticipated expiration: 2009-10-09

Abstract

The utility model relates to a spiral mixer which is composed of a motor, feeding equipment, a conical barrel body, a spiral shaft and a discharge valve, wherein the spiral shaft forms a T shape, and is formed in the way that a spiral plate with a variable diameter and a variable angle is fixedly connected with a spiral rod into integration, and a guide belt and a support groove are fixedly connected with the spiral rod. A support shaft is arranged on the discharge valve. The spiral shaft is supported on the support shaft. When the utility model works, the spiral shaft stably rotates at high speed, the mixing speed of materials is high, and the mixing is uniform and has no dead angle. The utility model is made of standard components has the advantages of high standardization degree and convenient maintenance and repair.

Description

A kind of mixing screw is described

A kind of mixing screw relates to the manufacturing technology of mixer, is applicable to that with multiple different meshes, the material of proportion fully mixes, and especially is suitable for heavy mixing of materials.

Existing mixer generally is divided into flat mixer and vertical mixer two classes.Flat mixer is the rolling mixing of rolling and driving an interior material by cylindrical shell, during work drum rotation speed is had relatively high expectations, otherwise segregation or caking can appear being divided in a material in the tube, can not mix.Vertical mixer divides single-screw and double worm mixer, though cost is than flat mixer height, owing to mixed effect will be got well, so use more at present.These two kinds of mixing screws all are to adopt same diameter, with the angle spiral plate, uniform pitch is fixedly installed on the helical axis that constitutes on the screw rod, make material when mixing, form unified circulation fluidization tower, in long-term the use, find, control requirement to single-screw mixer rotary speed is also higher, and rotating speed is too fast, and the unsettled middle part at mix cylinder of material is mixed and inactive state occurred near a tube inwall place; Rotating speed slowly then material sink to mixing drum bottom, can't form the rising logistics, so material is difficult to mixing for a long time.Double worm mixer must will make the helical axis rotation earlier when work, and then revolves round the sun complicated operation in cylindrical shell, in case operate miss promptly can cause helical axis and cylindrical shell to damage, scrap, and the revolution speed of helical axis slow (about per minute 2 changes), the inefficiency of mixed material.Owing to constructional reason, helical axis one end of single-screw and double worm mixer is fixedlyed connected with motor shaft in addition, and the other end is suspended in the cylindrical shell, and when the great material of mixing ratio, helical axis can deform, and influences the mixing and the mixing quality of material like this.

The purpose of this utility model is to provide a kind of and is mixing different meshes, and helical axis is indeformable when the material of different specific weight, especially heavy material, material can obtain full and uniform mixing, high efficiency, low energy consumption, low cost, the mixing screw of novel structure.

The utility model adopts divergent-cone wall, and top is connected with apparatus for feeding with motor, and the bottom is connected with bleeder valve.Helical axis is ' T ' shape, fixedlys connected with motor shaft in the top.Helical axis adopts by diameter at 380～100mm, angle is fixed on the screw rod by the setting of 50～300mm decreasing worm-pitch and fuses at change diameter, the varied angle spiral plates of 45～90 degree, constitutes with guidance tape of fixedlying connected with screw rod and the circular support groove that is fixedly installed on screw rod bottom.Guidance tape is trapezoidal or ' S ' shape or rectangle or triangle or other shapes.Helical axis is supported on the back shaft that is located on the bleeder valve by support slot.During mixer work, helical axis is stably worked under the driving of motor, spiral plate carries out fast lifting with the material in the cylindrical shell, at the bottom of guidance tape disperses the material on promoting and presses downward to tin, and the material importing material flow that is bonded on the barrel, carry out fast lifting so repeatedly, disperse, hybrid motion, the material that is in different aspects in the cylindrical shell can both be entered in the pitch envelope not only satisfy the lifting capacity of material between spiral plate and pitch but also make the interior material of conical shell in the comprehensive fast lifting that obtains, disperse, carry out full and uniform mixing.

Characteristics of the present utility model are; Adopt divergent-cone wall and by become diameter, the varied angle spiral plate fuses by decreasing worm-pitch setting and screw rod, the helical axis that is ' T ' shape with guidance tape of fixedlying connected and support slot formation with screw rod, when making mixer at the little proportion of mixing or greatly than heavy material, helical axis can both be stable work, and mixing velocity is fast, mixing of materials is even, does not lump during mixing, no dead angle.The utility model adopts standard component to make, and the standardization level height is safeguarded, maintenance is convenient.

Accompanying drawing is the utility model embodiment schematic diagram, wherein;

Fig. 1. the utility model structural representation,

Fig. 2. the helical axis schematic diagram,

Fig. 3 .A-A profile,

Fig. 4. bottom plate and back shaft schematic diagram,

Fig. 5. bottom plate and back shaft side diagrammatic sketch,

According to above-mentioned accompanying drawing, the utility model will be further described,

The utility model is by motor and apparatus for feeding 1, conical mixing drum 2, and helical axis 3 and bleeder valve are formed.Fixedlying connected with apparatus for feeding 1 with motor in the top of conical mixing drum 2, fixedlys connected with bleeder valve in the bottom.The top of helical axis 3 is connected with motor shaft, is arranged on middle part in the conical mixing drum 2, and the bottom is supported on the back shaft 12 by circular support groove 7.12 of support slot 7 and back shafts are provided with bearing 13 and oil sealing 14.Back shaft 12 is fixedlyed connected with bottom plate 10 by fixed head 11.Bleeder valve is by mounting plate 8, movable valve plate 9, and fixedly valve plate 15 and bottom plate 10 constitute.Fixedly valve plate 15 is fixed between mounting plate 8 and the bottom plate 10, and movable valve plate 9 is movably arranged between mounting plate 8 and the bottom plate 10.Helical axis 3 is fixedlyed connected with screw rod 6 by the decreasing worm-pitch setting by the spiral plate 4 that becomes diameter, varied angle and is integral, with the guidance tape 5 of fixedlying connected with screw rod 6, and support slot 7 formations.

Helical axis 3 in the utility model is stable at a high speed rotation under the driving of motor, spiral plate 4 carries out fast lifting with the material in the divergent-cone wall 2, guidance tape 5 is the material dispersion on promoting and press downward to cylindrical shell 2 bottoms, and the material importing material flow that is bonded on the barrel, carry out fast lifting so repeatedly, disperse, mix, make different meshes in the cylindrical shell, proportion and the material that is in different aspects can both enter the lifting capacity that satisfies material between spiral plate and pitch in the pitch envelope, make material in the divergent-cone wall 2 in the comprehensive fast lifting repeatedly that obtained, disperse, carry out full and uniform mixing.After full and uniform mixing, open movable valve plate 9, material is from the bleeder valve discharging.

Claims

A kind of mixing screw, by motor and apparatus for feeding (1), conical mixing drum (2), helical axis (3) and bleeder valve are formed, and it is characterized in that; Helical axis (3) is ' T ' shape, employing by diameter at 380～100mm, angle is fixedlyed connected with screw rod (6) by the setting of 50～300mm decreasing worm-pitch at the change diameters, varied angle spiral plate (4) of 45～90 degree and is integral, with the guidance tape (5) of fixedlying connected with screw rod (6), support slot (7) constitutes; Bleeder valve is by mounting plate (8), bottom plate (10), fixing valve plate (15), movable valve plate (9) constitutes, fixedly valve plate (15) is fixedly installed between mounting plate (8) and the bottom plate (10), and movable valve plate (9) activity is fixedly installed between mounting plate (8) and the bottom plate (10); Back shaft (12) is fixedlyed connected with bottom plate (10) by fixed head (11); Between support slot (7) and back shaft (12), be provided with bearing (13) and oil sealing (14).