CN205951026U - Agitating unit and mortar stirrer - Google Patents

Abstract

The utility model discloses an agitating unit and mortar stirrer relates to engineering machine tool field for improve stirring efficiency. This agitating unit includes (mixing) shaft and mixing arm, and the quantity of mixing arm is two at least, and the first end of each mixing arm all links to each other with the (mixing) shaft, has the length difference of the second end distance of two mixing arms from the (mixing) shaft center at least. The second end distance that there is two mixing arms at least in above -mentioned technical scheme, agitating unit is different from the length at (mixing) shaft center, and stirring range does not just confine a radius to so, but two or more stirring radius stirs no dead angle, can make more abundant that the material was stirred like this.

Description

Agitating device and mortar mixer

Technical field

This utility model is related to engineering machinery field and in particular to a kind of agitating device and mortar mixer.

Background technology

Vertical mortar mixer is that a kind of cement, sandstone aggregate and water mix and stirs the machinery making mortar mixture, It has the shaft of a placement of standing.Being mainly used for of vertical mortar mixer will be fed into various raw material therein and stir Mix after uniformly and send, it includes the cylinder being fixed in frame and reductor, the motor that is connected with reductor by belt with subtract Shaft that fast machine is directly connected to, it is fixed on the mixing arm of same radius and door opener on shaft and constitutes.Mortar uniformly with The no important evidence being to judge mortar quality.Mortar stirring is uneven to extend mixing time, increase energy consumption, and directly results in sand Slurry is unavailable.

Inventor finds, at least there are following problems in prior art：Mixing arm is distributed in same diameter range, can only Material in one radius region is stirred, there is stirring dead angle, actually stir and do not mix, this will necessarily increase energy Consumption, reduction stirring efficiency, and mortar mixing quality may be led to poor, unavailable.

Utility model content

One of purpose of the present utility model is to propose a kind of agitating device and mortar mixer, in order to improve stirring effect Rate and mixing quality.

For achieving the above object, this utility model provides technical scheme below：

This utility model provides a kind of agitating device, and including shaft and mixing arm, the quantity of described mixing arm is at least For two, the first end of each described mixing arm is all connected with described shaft, at least there is the second end of two described mixing arms Length apart from described shaft center is different.

In an alternate embodiment of the invention, wherein partly the second end of described mixing arm is designed with stirring vane；And/or, remaining The second end of described mixing arm be designed with least two sub-arms, each described sub-arm sets away from one end of described mixing arm There is auxiliary blade.

In an alternate embodiment of the invention, the wherein partly blade surface of the stirring vane at the second end of described mixing arm and mortar The angle of the cylinder bottom plate of blender is β, wherein 100 °≤β≤150 °.

In an alternate embodiment of the invention, wherein partly there is the second end of at least one described mixing arm in described mixing arm The installation direction of stirring vane is α with the angle of the tangential direction of the circular motion of this mixing arm, wherein, 1 °≤α≤5 °；With/ Or, the wherein partly installation direction of the stirring vane at the second end of remaining described mixing arm and this mixing arm in described mixing arm Circular motion tangential direction identical.

In an alternate embodiment of the invention, the second end that at least there is a described mixing arm in remaining described mixing arm corresponds to The position of the Dump gate of mortar mixer.

In an alternate embodiment of the invention, it is provided between the described sub-arm of adjacent two on same described mixing arm One reinforcement gusset.

In an alternate embodiment of the invention, it is provided with the second reinforcement gusset between two adjacent described mixing arms.

In an alternate embodiment of the invention, the quantity of described mixing arm be four, the respectively first mixing arm, the second mixing arm, 3rd mixing arm and the 4th mixing arm；The each not phase of the length apart from described shaft center for second end of four described mixing arms With.

In an alternate embodiment of the invention, four described mixing arms are along the centrosymmetry setting of described shaft, and described the One mixing arm corresponds to described second mixing arm, and described 3rd mixing arm corresponds to described 4th mixing arm；Described 3rd mixing arm Second end is provided with auxiliary blade by sub-arm, and the second end of described first mixing arm is provided with the first blade, described second stirring Second end of arm is provided with the second blade, and the second end of described 4th mixing arm is provided with quaterfoil.

In an alternate embodiment of the invention, one end of described shaft is supported by bearing, and described shaft top has and extends to The oilhole of described installing positions of bearings.

In an alternate embodiment of the invention, described bearing is arranged in bearing spider, and described bearing is located at described shaft top The side in portion is provided with sealing ring.

This utility model embodiment also provides a kind of mortar mixer, provides including the arbitrary technical scheme of this utility model Agitating device.

Based on technique scheme, this utility model embodiment at least can produce following technique effect：

Technique scheme, at least there is the second end of two described mixing arms apart from described shaft center in agitating device Length different, then stirring scope is not limited to a radius, but two or more stirring radius, stirring no dead angle, More abundant, the stirring efficiency height that material is stirred so can be made, mixing quality is good.

Brief description

Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application, Schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model improper Limit.In the accompanying drawings：

The structural representation of the mortar mixer belonging to agitating device that Fig. 1 provides for this utility model embodiment；

Fig. 2 is the partial enlargement structural representation of Fig. 1；

The sectional perspective structural representation of the agitating device that Fig. 3 provides for this utility model embodiment；

Fig. 4 is partial schematic diagram at the M of Fig. 3；

Fig. 5 is the local schematic front view of Fig. 3；

The structural representation of the device for discharging of the mortar mixer that Fig. 6 provides for another embodiment of this utility model.

Reference：Frame 1；Cylinder assembly 2；Drive system 3；Device for discharging 4；Agitating device 5；Cylinder 6；Barrel 7；Cylinder Body base plate 8；First sleeve 9；First axle sleeve flange 11；First key 12；Second axle sleeve flange 13；Second key 14；Shaft 15；Axle Hold 16；Bearing block 17；Sealing ring 18；Second sleeve 19；Axle sleeve 20；3rd key 21；Oil nozzle 22；First mixing arm 23；Second stirs Mix arm 24；3rd mixing arm 25；4th mixing arm 26；First blade 27；Second blade 28；Sub-arm 29；Quaterfoil 30；Auxiliary Help blade 31；First reinforcement gusset 32；Second reinforcement gusset 33；Door knob 34；Nut 35；Dump gate 36；Nut 37；Oilhole 151； Motor 301；Worm decelerating machine 302.

Specific embodiment

Illustrated in more detail with reference to the technical scheme that Fig. 1～Fig. 6 provides to this utility model.

Referring to Fig. 1 and Fig. 3, this utility model embodiment provides a kind of agitating device 5, including shaft 15 and mixing arm, The quantity at least two of mixing arm, the first end of each mixing arm is all connected with shaft 15, at least there are two mixing arms The length apart from shaft 15 center for second end is different.

Above-mentioned agitating device 5 is adapted to mortar mixer, especially vertical mortar mixer.To be answered in the present embodiment As a example in vertical mortar mixer.

Referring to Fig. 1, vertical mortar mixer includes frame 1, cylinder assembly 2, drive system 3, device for discharging 4 and above-mentioned Agitating device 5.Referring to Fig. 1 and Fig. 2, cylinder 6 and worm decelerating machine 302 are fixed in frame 1, motor 301 and worm decelerating machine 302 are joined directly together, agitating device 5 connects driving by worm decelerating machine 302 by flange.Specifically, worm decelerating machine 302 carries Dynamic shaft 15 rotates, and shaft 15 drives each mixing arm to rotate, thus realizing the stirring to material.Each mixing arm can adopt The L-arm illustrated in straight-arm structure or the present embodiment Fig. 3.

Technique scheme, at least there is the second end of two mixing arms length apart from shaft 15 center in agitating device 5 Degree is different, then stirring scope is not limited to a radius, but two or more stirring radius, stirring no dead angle, so Can make that material is stirred is more abundant.By arranging technique scheme, enable the vertical mortar belonging to agitating device 5 and stir It is high that machine of mixing no stirs dead angle, stirring efficiency and mixing quality.

Further, the second end of wherein part mixing arm is designed with stirring vane；And/or, the of remaining mixing arm Two ends are designed with least two sub-arms 29, and each sub-arm 29 is provided with auxiliary blade 31 away from one end of mixing arm.Such as with As a example five mixing arms (B1～B5), the second end of two of which mixing arm (B1, B2, B3) is designed with a stirring vane, its Second end of remaining mixing arm (B4, B5) is respectively provided with least two auxiliary blades 31.Stirring vane plays the effect of stirring material, auxiliary Help blade 31 can strengthen stirring action.

Cylinder referring to Fig. 4, the wherein blade surface of the stirring vane at the second end of part mixing arm and mortar mixer The angle of base plate 8 is β, wherein 100 °≤β≤150 °.Hold above, wherein part mixing arm is mixing arm (B1, B2, B3), it The angle of the cylinder bottom plate 8 of the blade surface of the stirring vane at the second end and mortar mixer be β, referring to Fig. 4.

Further, have the second of at least one mixing arm (such as B2) wherein in part mixing arm (B1, B2, B3) The installation direction of stirring vane at end is α with the angle of the tangential direction of circular motion of this mixing arm, wherein, 1 °≤α≤5 °, Referring to Fig. 4.And/or, the stirring vane at second end of remaining mixing arm (B1, B3) wherein in part mixing arm (B1, B2, B3) Installation direction identical with the tangential direction of the circular motion of this mixing arm.The i.e. peace of the stirring vane at mixing arm (B1) second end Dress direction is identical with the tangential direction of mixing arm (B1) itself circular motion, the installation of the stirring vane at mixing arm (B3) second end Direction is identical with the tangential direction of mixing arm (B3) itself circular motion.

The corresponding mortar in the second end that at least there is a mixing arm (such as B4 or B5) in remaining mixing arm (B4, B5) stirs Mix the position of the Dump gate 36 of machine, so contribute to discharging so that discharging is complete.

Referring to Fig. 3, for ensureing structural strength, it is provided with the between adjacent two sub-arm 29 on same mixing arm One reinforcement gusset 32.

In the same manner, it is provided with the second reinforcement gusset 33 between two adjacent mixing arms.

The lubricating system of shaft 15 is described below.One end (upper end in Fig. 2) of shaft 15 is supported by bearing 16, stirring Axle 15 top has the oilhole 151 extending to bearing 16.

Herein, bearing 16 is arranged in bearing block 17, and bearing 16 is provided with sealing ring positioned at the side at shaft 15 top 18.Sealing ring 18 can prevent mortar from entering at shaft 15 it is ensured that the normal work of shaft 15.

A specific embodiment is described below.

Referring to Fig. 1 and Fig. 3, the quantity of mixing arm is four, the respectively first mixing arm 23, the second mixing arm the 24, the 3rd Mixing arm 25 and the 4th mixing arm 26；The length apart from shaft 15 center for second end of four mixing arms is different.

Specifically, the outer wall of second end distance the first sleeve 9 of the first mixing arm 23 is nearest (i.e. short), the 4th mixing arm 26 the second end is apart from barrel 7 nearest (i.e. long).The length of the second mixing arm 24 and the 3rd mixing arm 25 is between the first stirring Between arm 23, the 4th mixing arm 26.

Referring to Fig. 3, four mixing arms are arranged substantially symmetrically along the central axis of shaft 15, and the first mixing arm 23 is right Answer the second mixing arm 24, the 3rd mixing arm 25 corresponds to the 4th mixing arm 26.Sub-arm 29 is passed through at second end of the 3rd mixing arm 25 It is provided with auxiliary blade 31, the second end of the first mixing arm 23 is provided with the first blade 27, and the second end of the second mixing arm 24 is provided with Two blades 28, the second end of the 4th mixing arm 26 is provided with quaterfoil 30.First blade 27, the second blade 28, quaterfoil 30 All as stirring vane.

Referring to Fig. 1 and Fig. 2, the cylinder 6 of mortar mixer is in cylinder, and is fixed in frame 1, and there is a sector its underpart Discharge port.

The drive system 3 of mortar mixer is that stirring mortar lifting supplies power, including motor 301 and worm decelerating machine 302.Snail Bar reductor 302 is fixed in frame 1, and is joined directly together with motor 301.This drive system 3 is capable of electric transformation of energy, and There is provided power for agitating device 5.

Agitating device 5 is the core apparatus of entirely vertical mortar mixer, and its structure is as shown in Fig. 3, Fig. 4, Fig. 5.Worm screw The output shaft of reductor 302 is connected with the first axle sleeve flange 11 by the first key 12, and shaft 15 passes through the second key 14 and second Axle sleeve flange 13 connects, and the first axle sleeve flange 11 is bolted with the second axle sleeve flange 13, therefore worm decelerating machine 302 Output torque be delivered to shaft 15.

First sleeve 9 top and bearing block 17 weld, and bottom is welded with cylinder bottom plate 8.First sleeve 9 one aspect can be protected Shield shaft 15 is separated with mortar, on the other hand can bearing support 16.The cone cylinder 10 of the first sleeve 9 bottom can prevent material at it Bottom is piled up.Bearing block 17 is internal to install a bearing 16 and a sealing ring 18, and sealing ring 18 can protect bearing 16 and mortar Separate.This sealing means can ensure the lubrication of bearing 16, prevents outside mud from entering, the normal operation of protection shaft 15.

Shaft 15 opens an oilhole 151 from top, can fill lubricating oil from top to bearing 16 by oil nozzle 22.Lubricating oil Entered by oilhole 151, to the installation site of bearing 16, and then any position of bearing 16 can be flowed to.This lubricating system can be protected The lubrication of card bearing 16, prevents outside mud from entering, the normal operation of protection shaft 15.

Second sleeve 19 is welded with axle sleeve 20, and protection bearing block 17 is separated with mortar.

Shaft 15 is connected with axle sleeve 20 by the 3rd key 21, the first mixing arm 23, the second mixing arm the 24, the 3rd stirring Arm 25 and the 4th mixing arm 26 are with welding manner circumference uniform distribution on axle sleeve 20.

First mixing arm 23 is arranged on the nearest position of distance the first sleeve 9, and the 4th mixing arm 26 is arranged on apart from barrel 7 Nearest position, the second mixing arm 24 and the 3rd mixing arm 25 are arranged in the middle of the two, and the length of four mixing arms all differs. Fig. 3 illustrates a kind of set-up mode of each mixing arm, and actually each mixing arm can be with transposition.

Referring to Fig. 3, the lower end of the first mixing arm 23, the second mixing arm 24 and the 4th mixing arm 26 is respectively mounted the first blade 27th, the second blade 28, quaterfoil 30, each blade surface and cylinder bottom plate 8 have an obtuse angle angle β, and can be according to blade lower end Wear extent adjust spacing C of itself and cylinder bottom plate 8, as shown in Figure 6.β is 100 °～150 °, can not be too big or too little, otherwise Stirring material can be caused insufficient.

Referring to Fig. 4, circular motion tangential direction A of the corresponding mixing arm of the installation direction B of the first blade 27 has one Circular motion tangential direction A of the corresponding mixing arm of acute angle α, the installation direction B of quaterfoil 30 also has an acute angle Angle α.Referring to Fig. 3, the installation direction of the second blade 28 is identical with the circular motion tangential direction of the second mixing arm 24.First leaf Piece 27 makes material turned-out, and the second blade 28 makes material to two rollovers, and quaterfoil 30 makes material to varus.First blade 27 to Quaterfoil 30 can change place, not do not affect.α is 1 °～5 °, the too big effect that then can not play stirring material.Installation side To when referring to that each stirring vane is installed, arbitrarily can arrange in a circumferential direction around the cylinder at its corresponding mixing arm second end. And installation direction B refers to that position arranging, that is, (blade is rectangle, has long side and short to refer to the minor face of stirring vane The differentiation on side) the mixing arm direction of motion corresponding with stirring vane angle.

Referring to Fig. 3, the lower end of the 3rd mixing arm 25 is in uniform three sub-arms 29 of circumferencial direction.On each sub-arm 29 all It is fixed with vanelets 31, therefore not only revolution motion is done in the rotation with four mixing arms to material, and does with three sub-arms 29 " rotation " moves.For guaranteeing integral rigidity, between four mixing arms, fix the first reinforcement respectively and three sub-arms 29 between Gusset 32 and the second reinforcement gusset 33.The circular motion track of the 3rd mixing arm 25 and the 4th mixing arm 26 is all by cylinder body bottom Fan-shaped discharge port it is ensured that discharging is complete.Three sub-arms 29 are arranged on the 3rd mixing arm 25, because the 3rd mixing arm 25 Length just make its second end be located at Dump gate 36 position, discharging can be helped.

This agitating device structure enables material to stir, abundant and laborsaving.Agitating device adopts four different lengths Mixing arm, first, to four-bladed mounting means all according to material flow direction design.Therefore material is not only with four Revolution motion is done in the rotation of individual mixing arm, and does " rotation " motion with three sub-arms, can eliminate stirring dead angle, and stirring is more filled Point, reducing energy consumption, improves stirring efficiency.

Referring to Fig. 6, device for discharging 4 is made up of Dump gate 36 and door knob 34, integrally hangs on housing.Promote the moment of torsion of handle Be converted to the power of switch gate by the frictional force between nut 35,37 and Dump gate 36, discharging structure is simple and convenient to operate, can High by property.

Above-mentioned agitating device 5, structure is simple, cheap.

This utility model embodiment also provides a kind of mortar mixer, provides including the arbitrary technical scheme of this utility model Agitating device 5.

The mortar mixer that technique scheme provides, is building machinery such as highway, power station, road, bridge and greatly The key equipment of mortar is produced, it is mainly used in stirring the compound such as sandstone and cement, building ring in the engineerings such as medium-sized precast plant Border is severe.Including the mortar mixer of above-mentioned agitating device 5, stirring efficiency height, portable construction, use safety, and can guarantee that To uniform, continuous mortar.

In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", "front", "rear", The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are based on accompanying drawing institute The orientation showing or position relationship, are only for ease of description this utility model and to simplify description, rather than indicate or infer indication Device or element must have specific orientation, be specific azimuth configuration and operation, thus it is not intended that to this practicality newly The restriction of content protected by type.

Finally it should be noted that：Above example only in order to the technical solution of the utility model to be described, is not intended to limit； Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that： It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are carried out etc. With replacement, but these modifications or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technology The spirit and scope of scheme.

Claims (11)

1. it is characterised in that including shaft (15) and mixing arm, the quantity of described mixing arm is at least two to a kind of agitating device Individual, the first end of each described mixing arm is all connected with described shaft (15), at least there is the second end of two described mixing arms Length apart from described shaft (15) center is different；It is provided with the second reinforcement gusset between two adjacent described mixing arms (33).

2. agitating device according to claim 1 is it is characterised in that wherein partly the second end of described mixing arm is designed with Stirring vane；And/or, the second end of remaining described mixing arm is designed with least two sub-arms (29), each described auxiliary Arm (29) is provided with auxiliary blade (31) away from one end of described mixing arm.

3. agitating device according to claim 2 is it is characterised in that the stirring at wherein partly the second end of described mixing arm The blade surface of blade is β with the angle of the cylinder bottom plate (8) of mortar mixer, wherein, 100 °≤β≤150 °.

4. it is characterised in that wherein partly there is at least one in described mixing arm in agitating device according to claim 2 The installation direction of the stirring vane at the second end of described mixing arm and the angle of the tangential direction of the circular motion of this mixing arm are α, wherein, 1 °≤α≤5 °；And/or, wherein partly in described mixing arm the second end of remaining described mixing arm stirring vane Installation direction identical with the tangential direction of the circular motion of this mixing arm.

5. it is characterised in that at least there is an institute in agitating device according to claim 2 in remaining described mixing arm State the position of the Dump gate (36) of the corresponding mortar mixer in the second end of mixing arm.

6. agitating device according to claim 2 it is characterised in that be located at same described mixing arm on adjacent two It is provided with the first reinforcement gusset (32) between described sub-arm (29).

7. agitating device according to claim 1 and 2 is it is characterised in that the quantity of described mixing arm is four, respectively First mixing arm (23), the second mixing arm (24), the 3rd mixing arm (25) and the 4th mixing arm (26)；Four described mixing arms The length apart from described shaft (15) center for second end is different.

8. agitating device according to claim 7 is it is characterised in that four described mixing arms are along described shaft (15) Centrosymmetry setting, and described first mixing arm (23) correspond to described second mixing arm (24), described 3rd mixing arm (25) Corresponding described 4th mixing arm (26)；Second end of described 3rd mixing arm (25) is provided with auxiliary blade by sub-arm (29) (31), the second end of described first mixing arm (23) is provided with the first blade (27), and the second end of described second mixing arm (24) sets There is the second blade (28), the second end of described 4th mixing arm (26) is provided with quaterfoil (30).

9. agitating device according to claim 1 and 2 is it is characterised in that one end of described shaft (15) is by bearing (16) support, described shaft (15) top has the oilhole (151) extending to described bearing (16) installation site.

10. agitating device according to claim 9 is it is characterised in that described bearing (16) is arranged in bearing block (17), And described bearing (16) is located at the side at described shaft (15) top and is provided with sealing ring (18).

A kind of 11. mortar mixers are it is characterised in that include the arbitrary described agitating device of claim 1-10.