CN106738338A - A kind of reducing variable-pitch propeller upright planetary agitator - Google Patents

A kind of reducing variable-pitch propeller upright planetary agitator Download PDF

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Publication number
CN106738338A
CN106738338A CN201710047767.3A CN201710047767A CN106738338A CN 106738338 A CN106738338 A CN 106738338A CN 201710047767 A CN201710047767 A CN 201710047767A CN 106738338 A CN106738338 A CN 106738338A
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CN
China
Prior art keywords
planetary
blade
center
diameter
pitch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710047767.3A
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Chinese (zh)
Inventor
张伟社
许诺琪
朱静芝
段晓飞
陈世斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changan University
Original Assignee
Changan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changan University filed Critical Changan University
Priority to CN201710047767.3A priority Critical patent/CN106738338A/en
Publication of CN106738338A publication Critical patent/CN106738338A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806Details; Accessories
    • B28C5/0831Drives or drive systems, e.g. toothed racks, winches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis

Abstract

The invention discloses a kind of reducing variable-pitch propeller upright planetary agitator, including do fixed-axis rotation center bolt, multiple do the planetary-screw of planetary motion, do dynamic scraper plate, epicyclic gearing and the drive device of fixed-axis rotation;Center vane is provided with center bolt, planetary blade is provided with planetary-screw, center vane and planetary blade are the spirals of reducing, varying pitch;The agitating device is a kind of vertical stirring device, the principles such as its integrated spiral conveying, planetary motion, gravity, compound is in the presence of center bolt, planetary-screw, deadweight and dynamic scraper plate, compound is from top to bottom, again while big motion cycle from top to bottom, the compound in material also form many small motion cycles.Mixing inefficient zone can be effectively reduced, stirring efficiency and quality is improved, is adapted to the materials such as concrete mixing occasion.

Description

A kind of reducing variable-pitch propeller upright planetary agitator
【Technical field】
The invention belongs to mechanical engineering field, it is related to a kind of reducing variable-pitch propeller upright planetary agitator.
【Background technology】
Reducing varying pitch formula planet stirring device using many spirals and planetary motion agitating mode, can make concrete or other Mixture is sufficiently mixed in a short time, reaches the quality requirement of material mixing.
The immobilization of current various types of blade of stirrer forms, stirring efficiency are low, mixing inefficient zone is larger, great shadow Concrete-agitating quality and production efficiency are rung.A kind of reducing varying pitch formula planet stirring device is proposed for this, multiple does row The dynamic reducing varying pitch agitating screw of luck is constituted with a reducing varying pitch agitating screw for doing fixed-axis rotation together with container Agitator, the spiral shell footpath of agitating screw, pitch stepped change, material realizes variable motion in making whipping process, so that material is transported Dynamic state produces various changes to reach quick well-mixed purpose.
【The content of the invention】
Shortcoming it is an object of the invention to overcome above-mentioned prior art, there is provided a kind of reducing variable-pitch propeller vertical-type planetary is stirred Machine is mixed, its stirring vane is the spiral of reducing varying pitch, driven by epicyclic gearing, be a kind of vertical stirring device, it collects Into principles such as helical feed, planetary motion, material gravities, mixing inefficient zone can be effectively reduced, improve stirring efficiency and quality, fitted Occasion should be mixed in materials such as concrete.
To reach above-mentioned purpose, the present invention is achieved using following technical scheme:
A kind of reducing variable-pitch propeller upright planetary agitator, including cylinder, be arranged at the motor on cylinder top and set The epicyclic gearing being placed in cylinder and some screw rods;Cylinder top offers charging aperture, and bottom opens up discharging opening;Motor It is connected with epicyclic gearing by decelerator;Screw rod includes a center bolt and some planetary-screws, center bolt and row The sun gear of star gear device is connected, and planetary-screw is connected with the planetary gear of epicyclic gearing.
The present invention is further improved:
Fixture is also equipped with the planet carrier of epicyclic gearing, scraper plate is moved and is connected with fixture by scraper shaft.
The internal gear of epicyclic gearing is fixed, its number of teeth z3=80~120;Sun gear actively, its number of teeth z1=18~ 25, rotating speed is n1;Planet carrier is driven, and its rotating speed is nH=0.12n1~0.26n1, turn to and n1It is identical;Tooth number of star z2=35~ 50, rotation rotating speed is 0.2n1~0.88n1, turn to and n1Conversely, revolution rotating speed is 0.12n1~0.26n1, turn to and n1It is identical.
Closure is provided with the top of epicyclic gearing, and closure is bolted.
The internal gear of epicyclic gearing is connected with connecting plate by bolt, and connecting plate is fixedly mounted on cylinder by support plate Inwall on.
The end of fixture is provided with adapter sleeve, and scraper shaft is sheathed in adapter sleeve.
Center bolt and planetary-screw are connected by ring flange with sun gear and planetary gear.
Center vane diameter increase from top to bottom, pressesRule changes, leaf centered on wherein D and d difference The big end of piece and end diameter, the axial length of blade centered on L, x represent the axial distance from the big end of center vane, and y represents axle To the diameter of the blade at x;Center vane outside diameter D=200mm~350mm, center vane end diameter d=150mm ~0mm, the axial length L=450mm~1000mm of center vane;
The diameter of planetary blade is pressedRule change, wherein D and d be respectively the big end of planetary blade with it is small End diameter, L is the axial length of planetary blade, and x represents the axial distance from planetary blade small end, and y represented and gone at axial distance x The diameter of asterophyllite piece;Planetary blade outside diameter D=150mm~0mm, planetary blade end diameter d=100mm~200mm, OK Axial length L=400mm~the 950mm of asterophyllite piece;
The pitch of center bolt and planetary-screw is pressed:Rule changes, wherein R0 It is initial pitch, RmIt is end pitch, i is spiral number of turns when pitch is R, imIt is total spiral number of turns.
Center bolt includes central shaft and the center vane being sheathed on central shaft.
Planetary-screw includes planet stirring axle and the planetary blade being sheathed on planet stirring axle.
Compared with prior art, the invention has the advantages that:
The present invention includes that doing the center bolt of fixed-axis rotation, multiple does the planetary-screw of planetary motion, does fixed-axis rotation Dynamic scraper plate, epicyclic gearing.Stirring vane on center bolt, planetary-screw uses reducing varying pitch form, planet tooth Sun gear in wheel apparatus drives center bolt to rotate, and multiple planetary gears drive multiple planetary-screws not only rotation but also revolution, OK Carrier drives dynamic scraper plate to rotate.The stirring vane rotation direction difference of center bolt, planetary-screw, rotating speed is different, and diameter and pitch are not Together, compound is in the presence of deadweight with dynamic scraper plate, and compound is from top to bottom, then big motion cycle from top to bottom is same When, the compound in material also form many small motion cycles, realize efficient mix, and the compound being stirred is from following Discharge port releases by deadweight, and mixer top side is provided with charging door.Stirring efficiency of the present invention is high, and mixing inefficient zone is small, stirs Mix quality high;It is adapted to the mixing of various materials;Not only loading and unloading is convenient for the present invention, use cost is low, and manufacture is held Easily, cost is relatively low.
【Brief description of the drawings】
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is screw-rod structure schematic diagram of the invention;Wherein screw rod centered on (a);B () is planetary-screw;
Fig. 3 is agitating device operation principle schematic diagram of the invention;
Fig. 4 is stirring material movement schematic diagram of the invention;
Fig. 5 is epicyclic gearing principle schematic of the invention.
【Specific embodiment】
The present invention is described in further detail below in conjunction with the accompanying drawings:
Referring to Fig. 1, cylinder 16, cylinder 16 and charging aperture 9 are provided with reducing varying pitch formula planet stirring device of the present invention It is connected, cylinder 16 is connected with discharging opening 17, motor 1 is connected with decelerator 2, decelerator 2 is connected with cylinder 16, closure 4 leads to Cross bolt 3 to be connected with the planet carrier 23 of epicyclic gearing 5, decelerator 2 is connected with epicyclic gearing 5, epicyclic gearing 5 Internal gear 22 and connecting plate 6 be connected by bolt, connecting plate 6 is connected with support plate 7, and support plate 7 is connected with cylinder 16 by bolt, Center bolt 8, planetary-screw 13 are connected by the sun gear 25 of ring flange 10 and epicyclic gearing 5, planetary gear 24, fixture 11 are connected with the planet carrier 23 of epicyclic gearing 5, and adapter sleeve 12 is connected with fixture 11, and adapter sleeve 12 connects with scraper shaft 14 Connect, dynamic scraper plate 15 is connected with scraper shaft 14.
As shown in Fig. 2 (a) and (b), center vane 19 is provided with center bolt 8, center vane 19 and central shaft 18 are solid Even, planetary blade 21 is provided with planetary-screw 13, planetary blade 21 and planet stirring axle 20 are connected.
As shown in figure 3, reducing varying pitch formula planet stirring device specific workflow is as follows:
During stirring, along when rotating counterclockwise, be delivered up for material by its left-right rotary center vane 19 for center bolt 8, due to The diameter from top to bottom of center vane 19 is gradually reduced, and pitch is gradually reduced, and forms crowded to material during being delivered up Pressure is acted on, and material is to the direction compressional movement of planetary-screw 13, while a small amount of material falls after rise under Gravitative Loads;Three planetary-screws 13 counter clockwise direction rotations, its dextrorotation planetary blade 21 by material be delivered up simultaneously pressing materials, due to planetary blade 21 from Under gradually increase to upper blade diameter, pitch gradually increases, and the larger planetary blade in the top of planetary-screw 13 is conducive to collecting The material that the material and center bolt 8 being delivered up from planetary-screw 13 are moved by inertia and squeezing action to planetary-screw 13. Material is delivered up interacting simultaneously, contributes to material to be sufficiently mixed.Dynamic scraper plate 15 rotates the thing that will be sticked on cylinder 16 Material is scraped, material multi-trace crisscross motion in whipping process, lifts stirring efficiency and mixing quality.
As shown in figure 4, Flow of Goods and Materials form when reducing varying pitch formula planet stirring device works, material is with planetary-screw 13 Revolution moves in a circle, the rotation of center bolt 8, and material does small range circular motion and upwards motion, the rotation of planetary-screw 13, thing Material does small range circular motion and upwards motion;Motion of the material under Gravitative Loads, the diameter of center vane 19 is with pitch simultaneously Taper into the compressional movement to material.It is planetary-screw 13 from large to small that whipping process center bolt 8 is delivered up inventory It is delivered up inventory to change from small to big, material collects in mixing drum internal upper part and does extruding diffusion motion to surrounding, in dynamic scraper plate 15 and Action of Gravity Field under moved obliquely along barrel.
As shown in figure 5, epicyclic gearing is provided with internal gear 22, internal gear 22 is connected with cylinder 16, sun gear 25 with To rotate secondary connection, sun gear 25 is connected planet carrier 23 with decelerator 2, planet carrier 23 and internal gear 22 to rotate secondary connection, OK With planetary gear 24 to rotate secondary connection, planetary-screw 13 is connected carrier 23 with planetary gear 24, and sun gear 25 connects with center bolt 8 Connect, scraper shaft 14 is connected with planet carrier 23.
Principle of the invention:
The present invention is a kind of vertical stirring device, it is adaptable to which concrete mixture stirs occasion.Epicyclic gearing drives Center bolt, multiple planetary-screws and dynamic scraper plate, feed, from the bottom discharge of cylinder from the top of cylinder.Multiple does planet fortune Dynamic reducing varying pitch agitating screw and a reducing varying pitch agitating screw for doing fixed-axis rotation constitute stirring together with container Device, the spiral shell footpath of agitating screw, pitch stepped change, material realizes variable motion in making whipping process, so that material movement shape State produces various changes to reach quick well-mixed purpose.
Epicyclic gearing is connected with Power Drive Unit, is vertically arranged, and epicyclic gearing uses 2K-H types, internal gear It is fixed, its number of teeth z3=80~120, sun gear actively, its number of teeth z1=18~25, rotating speed is n1, planet carrier is driven, its rotating speed It is nH=0.12n1~0.26n1, turn to and n1It is identical, tooth number of star z2=35~50, rotation rotating speed is 0.2n1~0.88n1, turn To with n1Conversely, revolution rotating speed is 0.12n1~0.26n1, turn to and n1It is identical.
Mixer rabbling mechanism is made up of center bolt, planetary-screw and dynamic scraper plate, the sun gear in epicyclic gearing Center bolt is driven to rotate, multiple planetary gears drive multiple planetary-screws not only rotation but also revolution, planet carrier drives dynamic scraper plate to turn It is dynamic.
There is left (or right) rotation center vane on center bolt, the increase of center vane diameter, presses from top to bottomRule change (D and d are respectively center vane end and end diameter greatly, the axial length of blade centered on L, X represents the axial distance from the big end of center vane, and y represents the diameter of blade at axial distance x), center vane outside diameter D= 200mm~350mm, center vane end diameter d=150mm~0mm, the axial length L=450mm of center vane~ 1000mm。
There is right (or left) rotation planet-gear blade on planetary-screw, planetary blade diameter is pressedRule change (D and D is respectively the big end of planetary blade and end diameter, and L is the axial length of planetary blade, and x is represented from the axial direction of planetary blade small end Distance, y represents the diameter of planetary blade at axial distance x), planetary blade outside diameter D=150mm~0mm, planetary blade is small Hold diameter d=100mm~200mm, the axial length L=400mm~950mm of planetary blade.
The pitch of agitating screw is pressed:Rule changes (R0It is initial pitch, RmFor End pitch, i is spiral number of turns when pitch is R, imIt is total spiral number of turns).
Dynamic scraper plate is connected with the planet carrier in epicyclic gearing, and the velocity of rotation for moving scraper plate is 0.12n1~0.n1
Above content is only explanation technological thought of the invention, it is impossible to limit protection scope of the present invention with this, every to press According to technological thought proposed by the present invention, any change done on the basis of technical scheme each falls within claims of the present invention Protection domain within.

Claims (10)

1. a kind of reducing variable-pitch propeller upright planetary agitator, it is characterised in that including cylinder (16), be arranged on cylinder (16) The motor (1) in portion and the epicyclic gearing (5) being arranged in cylinder (16) and some screw rods;Cylinder (16) top opens up There is charging aperture (9), bottom opens up discharging opening (17);Motor (1) is connected by decelerator (2) with epicyclic gearing (5);Spiral shell Bar includes the sun gear of a center bolt (8) and some planetary-screws (13), center bolt (8) and epicyclic gearing (5) (25) it is connected, planetary-screw (13) is connected with the planetary gear (24) of epicyclic gearing (5).
2. reducing variable-pitch propeller upright planetary agitator according to claim 1, it is characterised in that epicyclic gearing (5) fixture (11) is also equipped with planet carrier (23), scraper plate (15) is moved and is connected by scraper shaft (14) and fixture (11).
3. reducing variable-pitch propeller upright planetary agitator according to claim 1 and 2, it is characterised in that planetary gear is filled The internal gear for putting (5) is fixed, its number of teeth z3=80~120;Sun gear actively, its number of teeth z1=18~25, rotating speed is n1;Planet Frame is driven, and its rotating speed is nH=0.12n1~0.26n1, turn to and n1It is identical;Tooth number of star z2=35~50, rotation rotating speed is 0.2n1~0.88n1, turn to and n1Conversely, revolution rotating speed is 0.12n1~0.26n1, turn to and n1It is identical.
4. reducing variable-pitch propeller upright planetary agitator according to claim 1 and 2, it is characterised in that planetary gear is filled Put and be provided with the top of (5) closure (4), and closure (4) is fixed by bolt (3).
5. reducing variable-pitch propeller upright planetary agitator according to claim 1 and 2, it is characterised in that planetary gear is filled The internal gear (22) and connecting plate (6) for putting (5) are connected by bolt, and connecting plate (6) is fixedly mounted on cylinder by support plate (7) (16) on inwall.
6. reducing variable-pitch propeller upright planetary agitator according to claim 2, it is characterised in that the end of fixture (11) Portion is provided with adapter sleeve (12), and scraper shaft (14) is sheathed in adapter sleeve (12).
7. reducing variable-pitch propeller upright planetary agitator according to claim 1, it is characterised in that center bolt (8) and Planetary-screw (13) is connected by ring flange (10) with sun gear (25) and planetary gear (24).
8. the reducing variable-pitch propeller upright planetary agitator according to claim 1 or 7, it is characterised in that center vane (19) diameter increase from top to bottom, pressesRule changes, and wherein D and d is respectively the big end of center vane and small end Diameter, the axial length of blade centered on L, x represents the axial distance from the big end of center vane, and y represents blade at axial distance x Diameter;Center vane outside diameter D=200mm~350mm, center vane end diameter d=150mm~0mm, center vane Axial length L=450mm~1000mm;
The diameter of planetary blade (21) is pressedRule changes, and wherein D and d is respectively the big end of planetary blade and small end Diameter, L is the axial length of planetary blade, and x represents the axial distance from planetary blade small end, and y represents planet at axial distance x The diameter of blade;Planetary blade outside diameter D=150mm~0mm, planetary blade end diameter d=100mm~200mm, planet Axial length L=400mm~the 950mm of blade;
The pitch of center bolt and planetary-screw is pressed:Rule changes, wherein R0For first Beginning pitch, RmIt is end pitch, i is spiral number of turns when pitch is R, imIt is total spiral number of turns.
9. reducing variable-pitch propeller upright planetary agitator according to claim 8, it is characterised in that center bolt (8) is wrapped The center vane (19) for including central shaft (18) and being sheathed on central shaft (18).
10. reducing variable-pitch propeller upright planetary agitator according to claim 8, it is characterised in that planetary-screw (13) Including planet stirring axle (20) and the planetary blade (21) being sheathed on planet stirring axle (20).
CN201710047767.3A 2017-01-22 2017-01-22 A kind of reducing variable-pitch propeller upright planetary agitator Pending CN106738338A (en)

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CN201710047767.3A CN106738338A (en) 2017-01-22 2017-01-22 A kind of reducing variable-pitch propeller upright planetary agitator

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108501213A (en) * 2018-05-17 2018-09-07 重庆交通大学 Combined concrete agitating device
CN108582487A (en) * 2018-05-17 2018-09-28 重庆交通大学 Concrete stirring system
CN108582475A (en) * 2018-05-17 2018-09-28 重庆交通大学 Heat preserving type concrete stirring system
CN108748669A (en) * 2018-05-17 2018-11-06 重庆交通大学 Concrete central mix plant
CN108748670A (en) * 2018-05-17 2018-11-06 重庆交通大学 Heat preserving type concrete central mix plant
CN108789834A (en) * 2017-06-28 2018-11-13 吴丽清 A kind of stirring means of differential agitating device
CN108858761A (en) * 2018-05-17 2018-11-23 重庆交通大学 Combined concrete stirring system
CN110292881A (en) * 2019-08-02 2019-10-01 湘潭大学 A kind of spiral and oar blade type composite stirrer with special-shaped dispersion impeller and comb teeth spoiler

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108789834A (en) * 2017-06-28 2018-11-13 吴丽清 A kind of stirring means of differential agitating device
CN108501213A (en) * 2018-05-17 2018-09-07 重庆交通大学 Combined concrete agitating device
CN108582487A (en) * 2018-05-17 2018-09-28 重庆交通大学 Concrete stirring system
CN108582475A (en) * 2018-05-17 2018-09-28 重庆交通大学 Heat preserving type concrete stirring system
CN108748669A (en) * 2018-05-17 2018-11-06 重庆交通大学 Concrete central mix plant
CN108748670A (en) * 2018-05-17 2018-11-06 重庆交通大学 Heat preserving type concrete central mix plant
CN108858761A (en) * 2018-05-17 2018-11-23 重庆交通大学 Combined concrete stirring system
CN108582487B (en) * 2018-05-17 2020-09-15 重庆交通大学 Concrete mixing system
CN108501213B (en) * 2018-05-17 2020-09-15 重庆交通大学 Composite concrete stirring device
CN108582475B (en) * 2018-05-17 2020-09-15 重庆交通大学 Heat preservation formula concrete mixing system
CN110292881A (en) * 2019-08-02 2019-10-01 湘潭大学 A kind of spiral and oar blade type composite stirrer with special-shaped dispersion impeller and comb teeth spoiler

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