CN208277184U - A kind of cement mixing system - Google Patents

Abstract

The utility model provides a kind of cement mixing system, it include: that can be rotatably set rotary shaft on pedestal, cover in the rotary shaft on pedestal top has first bearing surely, and the angle being fixed between multiple stirring blades and two neighboring stirring blade in rotary shaft is 120 °；The bottom of agitator has bearing block, first bearing is arranged in bearing block and rotary shaft is passed through and protruded into agitator at the top of bearing block, stirring blade is located in agitator, and the outer edge of stirring blade is contacted with the inner wall of agitator, and the lower end of stirring blade is contacted with the bottom wall of agitator；First driving mechanism is suitable for driving agitator rotation；Second driving mechanism is suitable for the rotation of driving rotary shaft and rotary shaft is opposite with the direction of rotation of agitator.Such cement mixing system is easy to implement being sufficiently stirred for a small amount of cement.

Description

A kind of cement mixing system

Technical field

The utility model relates to cement mixing equipment technical fields, and in particular to a kind of cement mixing system.

Background technique

Cement mixing system in the prior art is mostly the single effect that stirring is realized by the rotation of stirring rod, and And the amount of stirring is also more, the case where often having viscous wall, it is therefore desirable to provide a kind of equipment of a small amount of cement mixing.And a small amount of water The equipment of mud stirring, because amount is relatively fewer, conveyed without screw conveyor.

Utility model content

One of technical problem to be solved by the utility model is: in order to solve the problems in the prior art.The utility model A kind of cement mixing system is provided to solve the above problems.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of cement mixing system, comprising:

Pedestal can be rotatably set rotary shaft on the pedestal, cover in the rotary shaft on the pedestal top Surely there is first bearing, the fixed angle there are three between stirring blade and the two neighboring stirring blade is in the rotary shaft 120°；

Agitator, the bottom of the agitator have a bearing block, the first bearing be arranged in the bearing block and The rotary shaft passes through to be protruded into the agitator at the top of the bearing block, and the stirring blade is located in the agitator, The outer edge of the stirring blade is contacted with the inner wall of the agitator, the bottom of the lower end of the stirring blade and the agitator Wall contact；

First driving mechanism, first driving mechanism are suitable for driving the agitator rotation；

Second driving mechanism, second driving mechanism be suitable for driving rotary shaft rotation and the rotary shaft with it is described The direction of rotation of agitator is opposite.

Preferably, further include upright bar and hack lever, first rotating shaft can be rotatably set in the upright bar, on the hack lever The second shaft is can be rotatably set, there are two vertical plates, a vertical plate can be rotatably set for mirror settings on the pedestal In the first rotating shaft, another described vertical plate is rotatably arranged in second shaft, the first rotating shaft and institute State the coaxial arrangement of the second shaft；

The end of the first rotating shaft has been removably secured cylinder ring gear, and the outer wall set of the agitator has end-tooth surely Ring, the end face ring gear are engaged with the cylinder ring gear；

First driving mechanism includes first motor, the first motor be fixedly connected with the upright bar and this first The output shaft of motor is coaxially fixed with the first rotating shaft.

Preferably, further include toppling over rotating mechanism, it is described to topple over rotating mechanism suitable for fixing the pedestal inclination.

Preferably, the end of the first rotating shaft is fixed with top bit slice, the inner ring difference at the both ends of the cylinder ring gear It is provided with the first concave ring and the second concave ring, cylindrical nut is threaded in the first rotating shaft and to be fastened on described first recessed In ring, the top bit slice is located in second concave ring and the top bit slice resists the bottom of second concave ring.

Preferably, the top bit slice is polygon, second concave ring is polygon to be mutually matched with the top bit slice Shape.

Preferably, described, to topple over rotating mechanism include that card sets ring, rotation rudder, check lock lever and reset spring；

The circumferential direction for setting ring of blocking has multiple bayonets, and successively covering surely in second shaft has the card to set ring and described Rudder is rotated, is fixed with multiple locating plates on the hack lever, perforation is offered on each locating plate, each perforation is same Axis, the check lock lever pass through each perforation, and the reset spring is set on the check lock lever and upper end and the lock Tight bar is fixedly connected, and lower end resists the upper surface of a locating plate, and the lower end of the check lock lever has pressing tablet, the lock The upper end of tight bar is protruded into and is fastened in the bayonet.

Preferably, second driving mechanism includes the first sprocket wheel, the second sprocket wheel, chain and the second motor, the rotation The lower end of shaft is pierced by the pedestal and the lower end cap determines first sprocket wheel, and second motor is fixed on the pedestal Fixed second sprocket wheel is covered on the output shaft of bottom and second motor, first sprocket wheel and second sprocket wheel pass through institute State chain linkage.

Preferably, the stirring blade includes agitating plate, the middle part of the agitating plate has opening, the agitating plate Upper and lower ends mirror settings have stirring wing portion, the bottom angled setting in the stirring wing portion and the agitator, the agitating plate Upper to have multiple connecting rods, the connecting rod is fixedly connected with the side wall of the rotary shaft.

Yielding rubber item is stained with preferably, being located on the outer edge of the agitating plate.

The utility model has the beneficial effects that such cement mixing system, is easy to implement being sufficiently stirred for a small amount of cement.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a kind of structural schematic diagram of the optimum embodiment of cement mixing system of the utility model.

Fig. 2 is the structural schematic diagram for the optimum embodiment that the utility model topples over rotating mechanism.

Fig. 3 is the structural schematic diagram of the optimum embodiment of the utility model agitator.

Fig. 4 is the structural schematic diagram of the optimum embodiment of the utility model stirring blade.

Fig. 5 is the structural schematic diagram of the optimum embodiment of the utility model first rotating shaft.

Fig. 6 is the structural schematic diagram of the optimum embodiment of the utility model cylinder ring gear.

1, pedestal in figure, 2, rotary shaft, 3, agitator, 3-1, bearing block, 3-2, port, 4, upright bar, 4-1, oblique bifurcated, 4-2, idler wheel, 5, hack lever, 6, first rotating shaft, 6-1, top bit slice, 6-2, cylindrical nut, the 7, second shaft, 8, vertical plate, 9, Cylinder Gear Ring, 9-1, the second concave ring, 9-2, the first concave ring, 10, end face ring gear, 11, first motor, 12, fixed plate, 13, card set ring, 13- 1, bayonet, 14, rotation rudder, 15, check lock lever, 15-1, stator, 15-2, locating plate, 16, reset spring, 17, pressing tablet, 18, the One sprocket wheel, the 19, second sprocket wheel, the 20, second motor, 21, agitating plate, 21-1, opening, 22, stirring wing portion, 23, connecting rod.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.On the contrary, the embodiments of the present invention include falling into owning within the scope of the spirit and intension of attached claims Variation, modification and equivalent.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axis To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in this reality With in novel description, unless otherwise indicated, the meaning of " plurality " is two or more.

Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of preferred embodiments of the present invention includes other realization, wherein can not be by shown or discussion Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by this The embodiment person of ordinary skill in the field of utility model is understood.

As shown in figs. 1 to 6, the utility model provides a kind of cement mixing system, comprising:

Pedestal 1 can be rotatably set rotary shaft 2 on pedestal 1, have the bearing chamber for placing bearing on pedestal 1, then Bearing is fixed in bearing chamber, then by 2 inner sleeve of rotary shaft in this bearing, and the inner ring of the rotary shaft 2 and bearing It is fixed to each other, outer ring and the bearing chamber of bearing are fixed to each other, and cover in the rotary shaft 2 on 1 top of pedestal has first axle surely It holds, the surface of bearing of the first bearing on pedestal 1, fixed in rotary shaft 2 there are three stirring blade and two neighboring stirrings Angle between blade is 120 °；

Agitator 3, the bottom of agitator 3 have bearing block 3-1, and first bearing is arranged in bearing block 3-1 and rotates Axis 2 pass through bearing block 3-1 at the top of protrudes into agitator 3, the setting meaning of first bearing is herein, the outer wall of first bearing with The inner wall of bearing block 3-1 is bonded to each other fixation, offers rotary shaft 2 can be allowed to pass through logical on the top of bearing block 3-1 herein Mouth 3-2, certainly, the presence of this port 3-2 will not interfere the rotation of rotary shaft 2, and stirring blade is located in agitator 3, paddle The outer edge of piece is contacted with the inner wall of agitator 3, and the outer edge of stirring blade is contacted with the inner wall of agitator 3 as the two herein Between gap close to 0, such setting is the viscous wall that the cement for guaranteeing on inner wall will not be excessive, the lower end of stirring blade with stir Mix the bottom wall contact of bucket 3；It is contacted here by it with bottom wall, guarantees that the cement of bottom wall also can be mixed preferably.

First driving mechanism, the first driving mechanism are suitable for driving agitator 3 and rotate；Because agitator 3 is entirely to pass through axis The top that a 3-1 is fixed on its pedestal 1 is held, i.e. the first driving mechanism is exactly to drive agitator 3 under the action of first bearing Rotary course.

Second driving mechanism, the second driving mechanism are suitable for driving the rotation of rotary shaft 2 and the rotation of rotary shaft 2 and agitator 3 It is contrary.Among this, rotary shaft 2 is rotatably arranged on pedestal 1 by bearing, then pedestal 1 is fixed, the Two driving mechanisms drive rotary shaft 2 to realize rotation relative to bearing.

Such cement mixing system further includes upright bar 4 and hack lever 5, can be rotatably set first rotating shaft 6 in upright bar 4, this There are two oblique bifurcated 4-1 for the bottom tool of the upright bar 4 at place, and there are two idler wheel 4-2, idler wheels in the bottom of oblique bifurcated 4-1 tool The presence of 4-2 is rolled convenient for it and is moved ahead, and can be rotatably set the second shaft 7 on hack lever 5, on pedestal 1 there are two mirror settings Vertical plate 8, a vertical plate 8 are rotatably arranged in first rotating shaft 6, another vertical plate 8 is rotatably arranged in the second shaft 7 On, first rotating shaft 6 and vertical plate 8 are fixed by bearing, what the second shaft 7 was fixed with vertical plate 8 again by bearing.First Shaft 6 and the coaxial arrangement of the second shaft 7；Guarantee that 1 two sides of pedestal are horizontal in fact.

The end of first rotating shaft 6 has been removably secured cylinder ring gear 9, and cylinder ring gear 9 herein is same with first rotating shaft 6 Axis is fixed and is rotated simultaneously, and the outer wall set of agitator 3 has end face ring gear 10 surely, and end face ring gear 10 refers to that its is annular in shape, And there is teeth portion thereon, the teeth portion on the side wall of the teeth portion and cylinder ring gear 9 is intermeshed, and cylinder ring gear 9 can band on end face Moved end face ring gear 10 rotates, and end face ring gear 10 and agitator 3 are fixed to each other, then 3 synchronous rotary of agitator will be driven. End face ring gear 10 is engaged with cylinder ring gear 9；

First driving mechanism includes first motor 11, and first motor 11 is fixedly connected with upright bar 4 and the first motor 11 Output shaft and first rotating shaft 6 it is coaxial fixed.First motor 11 is fixed in upright bar 4 by fixed plate 12, first motor 11 Output shaft and first rotating shaft 6 be to be fixed to each other by shaft coupling, certainly, in order to realize speed regulation, the output shaft of first motor 11 It can also mutually link with the input shaft of retarder, it is then coaxial fixed with first rotating shaft 6 by the output shaft of retarder.

Such cement mixing system further includes toppling over rotating mechanism, topples over rotating mechanism and is suitable for fixing the inclination of pedestal 1.Incline Rotating mechanism can make it when mixing cement, and inclination adjusts the position of cement, realize adequately stirring.

The end of first rotating shaft 6 is fixed with top bit slice 6-1, and it is recessed that the inner ring at the both ends of cylinder ring gear 9 is respectively arranged with first Ring 9-2 and the second concave ring 9-1, cylindrical nut 6-2 are threaded in first rotating shaft 6 and are fastened in the first concave ring 9-2, top Bit slice 6-1 is located in the second concave ring 9-1 and pushes up the bottom that bit slice 6-1 resists the second concave ring 9-1.Top bit slice 6-1 is polygon, The present embodiment is regular hexagon, can be pentagon, square and heptagon etc..Second concave ring 9-1 is mutual with top bit slice 6-1 Matched polygon, i.e., polygon herein are also regular hexagon.The thickness of cylindrical nut 6-2 is thicker than the depth of the first concave ring 9-2 Degree makes cylindrical nut 6-2 stretch out the first concave ring 9-2, is then easy to implement rotating cylindrical nut 6-2.Top bit slice 6-1 is set herein It sets in polygon, and is fixed in the second concave ring 9-1 by cooperation, then top bit slice 6-1 can limit cylinder ring gear 9 relative to the The rotation of one shaft 6, to guarantee good transmission effect.

Toppling over rotating mechanism includes that card sets ring 13, rotation rudder 14, check lock lever 15 and reset spring 16；

The circumferential direction that card sets ring 13 has multiple bayonet 13-1, and successively covering surely in the second shaft 7 has card to set ring 13 and rotation rudder 14, multiple locating plate 15-2 are fixed on hack lever 5, perforation are offered on each locating plate 15-2, each perforation is coaxial, check lock lever 15 pass through each perforation, and reset spring 16 is set on check lock lever 15 and upper end is fixedly connected with check lock lever 15, check lock lever 15 Upper to have a stator 15-1, reset spring 16 is fixed to each other with stator 15-1, and lower end resists the upper end of a locating plate 15-2 The lower end in face, check lock lever 15 has pressing tablet 17, and the upper end of check lock lever 15 is protruded into and is fastened in a bayonet 13-1, herein The upper end of check lock lever 15 can also open up insertion mouth, then as toy, mutually card sets fixation, it is whole how to block set into It goes, how about deviates from, the effect of existing adjusting can be treaded by the foot of operator.

Second driving mechanism includes the first sprocket wheel 18, the second sprocket wheel 19, chain and the second motor 20, the lower end of rotary shaft 2 It is pierced by pedestal 1 and the lower end cap determines the first sprocket wheel 18, the second motor 20 is fixed on the bottom of pedestal 1 and second motor 20 Output shaft on cover fixed second sprocket wheel 19, the first sprocket wheel 18 and the second sprocket wheel 19 and pass through chain linkage.

Working principle: firstly, the top of agitator 3 has opening, and silt hydrous water is passed through in agitator 3 by opening, Then, the second motor 20 drives the rotation of the second sprocket wheel 19, and driven by the chain, the first sprocket wheel of synchronous drive 18 rotates, and first Sprocket wheel 18 and 2 synchronous rotary of rotary shaft；

Meanwhile first motor 11 rotates, and drives cylinder ring gear 9 to rotate, because cylinder ring gear 9 is mutually nibbled with end face ring gear 10 It closes, then just end face ring gear 10 is driven to rotate, and end face ring gear 10 and agitator 3 are fixed to each other, then drive agitator 3 same Step rotation, the direction of rotation of agitator 3 are opposite with the direction of rotation of rotary shaft 2.

When needing to adjust the direction of the agitator 3, operator steps on pressing tablet 17 by foot, cooperates stator 15-1 Then locating plate 15-2 pressed home spring 16 makes the upper end of check lock lever 15 deviate from bayonet 13-1, and the hand of operator only needs Control improves the direction of dynamic rudder 14, without worrying about the operation in other equipment, enhances the operability of this equipment, then and, when After agitator 3 is inclined, the foot of operator unclamps pressing tablet 17, makes the upper end of check lock lever 15 again insertable into bayonet 13-1 In, certainly, bayonet 13-1 is the bayonet 13-1 under agitator 3 is inclined, and right above check lock lever 15, not Bayonet 13-1 before, agitator 3 is inclined, is not only convenient for feeding, and is convenient for batch turning, meanwhile, inclination makes agitator 3 In be located at bottommost cement shift one's position, strengthen the mixing of integral cement.Also, agitator 3 and rotary shaft 2 are between the two Reverse rotation, realize the good effect for reinforcing stirring, it is how many on the inner wall of agitator 3 also, during stirring There are cement, and stirring blade can scrape its cement.

Specific embodiment two: specific embodiment two and the difference of specific embodiment one are:

Stirring blade includes agitating plate 21, and the middle part of agitating plate 21 has opening 21-1, the upper and lower ends mirror of agitating plate 21 As being provided with stirring wing portion 22, stirring wing portion 22 and the bottom angled of agitator 3 are arranged, and have multiple connecting rods on agitating plate 21 23, connecting rod 23 is fixedly connected with the side wall of rotary shaft 2.Be open 21-1 presence, convenient for passing through for cement, connecting rod 23 with stir It mixes between plate 21 there are angle, and angle is in 120 °, such setting, realizes the cement mixing effect of multi-angle, and stirring wing The presence in portion 22 achieves the regulating effect in different angle.

Yielding rubber item is stained on the outer edge of agitating plate 21.Yielding rubber item, be for in agitator 3 Wall is bonded to each other and is arranged, and plays good scrape mud effect to a certain extent.

Working principle: it when being stirred, has many cement and is sticked on the inner wall of agitator 3, also, do not tie The cement of print is in flexible relative state, will be scraped under the action of yielding rubber item, and for a long time, it is located at buffering rubber Cement on glue can agglomerate, and during rotation, the inner wall of agitator 3 is arrived in impact, also can still promote the cement that agglomerates It falls, certainly, how much can also generate the damage of yielding rubber item, therefore, it is necessary to be replaced and cleaned often for it.

And during stirring, the presence for the 21-1 that is open makes integral cement mixing rapidly, and the presence in stirring wing portion 22 makes It is realized in different angle and mixes, also, the free end in the stirring wing portion 22 is close to bottom, to play good promotion bottom The good effect of portion's cement.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of the term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims (9)

1. a kind of cement mixing system characterized by comprising

Pedestal (1) can be rotatably set rotary shaft (2) on the pedestal (1), be located at the rotation on the pedestal (1) top Cover in shaft (2) has first bearing surely, and fixed on the rotary shaft (2) there are three stirring blade and the two neighboring paddles Angle between piece is 120 °；

The bottom of agitator (3), the agitator (3) has bearing block (3-1), and the first bearing is arranged in the bearing block In (3-1) and the rotary shaft (2) is passed through and is protruded into the agitator (3) at the top of the bearing block (3-1), the stirring Blade is located in the agitator (3), and the outer edge of the stirring blade is contacted with the inner wall of the agitator (3), described to stir The lower end for mixing blade is contacted with the bottom wall of the agitator (3)；

First driving mechanism, first driving mechanism are suitable for driving agitator (3) rotation；

Second driving mechanism, second driving mechanism is suitable for driving rotary shaft (2) rotation and the rotary shaft (2) and institute The direction of rotation for stating agitator (3) is opposite.

2. cement mixing system as described in claim 1, it is characterised in that: it further include upright bar (4) and hack lever (5), it is described vertical It can be rotatably set on bar (4) first rotating shaft (6), can be rotatably set the second shaft (7) on the hack lever (5), it is described There are two vertical plate (8), a vertical plate (8) to be rotatably arranged in the first rotating shaft (6) for mirror settings on pedestal (1) On, another described vertical plate (8) is rotatably arranged on second shaft (7), the first rotating shaft (6) and described second Shaft (7) coaxial arrangement；

The end of the first rotating shaft (6) has been removably secured cylinder ring gear (9), and the outer wall set of the agitator (3) has surely End face ring gear (10), the end face ring gear (10) are engaged with the cylinder ring gear (9)；

First driving mechanism includes first motor (11), and the first motor (11) is fixedly connected simultaneously with the upright bar (4) And the output shaft of the first motor (11) and the first rotating shaft (6) are coaxial fixed.

3. cement mixing system as claimed in claim 2, it is characterised in that: further include toppling over rotating mechanism, it is described topple over turn Motivation structure is suitable for fixing the pedestal (1) inclination.

4. cement mixing system as claimed in claim 3, it is characterised in that: the end of the first rotating shaft (6) is fixed with top The inner ring of bit slice (6-1), the both ends of the cylinder ring gear (9) is respectively arranged with the first concave ring (9-2) and the second concave ring (9-1), Cylindrical nut (6-2) is threaded on the first rotating shaft (6) and is fastened in first concave ring (9-2), the top Bit slice (6-1) is located in second concave ring (9-1) and top bit slice (6-1) resists the bottom of second concave ring (9-1) Portion.

5. cement mixing system as claimed in claim 4, it is characterised in that: the top bit slice (6-1) is polygon, described the Two concave rings (9-1) are the polygon being mutually matched with top bit slice (6-1).

6. cement mixing system as claimed in claim 3, it is characterised in that: it is described topple over rotating mechanism include card set ring (13), rudder (14), check lock lever (15) and reset spring (16) are rotated；

The circumferential direction for setting ring (13) of blocking has multiple bayonets (13-1), and successively covering surely on second shaft (7) has the card If ring (13) and the rotation rudder (14), it is fixed with multiple locating plates (15-2) on the hack lever (5), each locating plate Perforation is offered on (15-2), each perforation is coaxial, and the check lock lever (15) passes through each perforation, the reset bullet Spring (16) is set on the check lock lever (15) and upper end is fixedly connected with the check lock lever (15), and lower end resists described in one The lower end of the upper surface of locating plate (15-2), the check lock lever (15) has pressing tablet (17), the upper end of the check lock lever (15) It protrudes into and is fastened in the bayonet (13-1).

7. cement mixing system as claimed in claim 2, it is characterised in that: second driving mechanism includes the first sprocket wheel (18), the second sprocket wheel (19), chain and the second motor (20), the lower end of the rotary shaft (2) are pierced by the pedestal (1) and should Lower end cap determines first sprocket wheel (18), and second motor (20) is fixed on the bottom of the pedestal (1) and second electricity Fixed second sprocket wheel (19) is covered on the output shaft of machine (20), first sprocket wheel (18) and second sprocket wheel (19) pass through institute State chain linkage.

8. cement mixing system as described in claim 1, it is characterised in that: the stirring blade includes agitating plate (21), institute The middle part for stating agitating plate (21) has opening (21-1), and the upper and lower ends mirror settings of the agitating plate (21) have stirring wing portion (22), the bottom angled of the stirring wing portion (22) and the agitator (3) is arranged, and has multiple companies on the agitating plate (21) Extension bar (23), the connecting rod (23) are fixedly connected with the side wall of the rotary shaft (2).

9. cement mixing system as claimed in claim 8, it is characterised in that: be located on the outer edge of the agitating plate (21) and glue With yielding rubber item.