CN211917269U - Cement paste mixer - Google Patents

Abstract

The utility model relates to a cement paste mixer, which comprises a machine base, a mixing mechanism fixedly connected with the machine base, a driving mechanism fixedly connected with the machine base and a mixing pot arranged at the lower part of the machine base, the stirring mechanism comprises a first stirring shaft communicated with the output end of the driving mechanism, a plurality of second stirring shafts arranged around the first stirring shaft, a first stirring piece and a second stirring piece, the first stirring part and the second stirring part are respectively and fixedly connected with the first stirring shaft and the second stirring shaft, the first stirring shaft is rotationally connected with the base, one stirring shaft is rotationally connected with a planet carrier, a plurality of stirring shafts are rotationally connected with the planet carrier, the first stirring shaft and the second stirring shaft are both vertically arranged, the first stirring shaft and the second stirring shaft are respectively and fixedly connected with a driving gear and a planetary gear, the driving gear is meshed with the planetary gears, and the engine base is fixedly connected with a gear ring meshed with the plurality of planetary gears. The utility model discloses to the stirring effect of cement and water and the homogeneity relatively preferred of stirring.

Description

Cement paste mixer

Technical Field

The utility model belongs to the technical field of experimental agitating unit's technique and specifically relates to a cement paste mixer is related to.

Background

A cement paste mixer is a test paste which is prepared by mixing cement and water according to the standard specification and then mixing the mixture into a uniform paste for measuring the standard consistency and the setting time of the cement and manufacturing a stability test block, and is one of the necessary equipments for cement laboratories of cement factories, building construction units, related professional colleges and scientific research units. It mainly includes components such as double speed motor, transmission case, main shaft, eccentric seat, stirring leaf, agitated kettle, base, stand, support, dustcoat, program controller, and the theory of operation is: the double-speed motor transmits power to a worm in a transmission case through a coupler, and then the power is transmitted to a main shaft through a worm wheel and a pair of gears and is decelerated. The main shaft drives the eccentric seat to synchronously rotate, so that the stirring blades fixed on the eccentric seat revolve. Meanwhile, the stirring blades complete autorotation motion around a fixed internal gear through a planetary gear at the upper end of the stirring blade shaft. The double-speed motor is controlled by the time program controller to automatically complete the specified work procedure of one-time slow-stop-fast rotation. In the prior art, when the cement paste mixer is carried, the equipment is heavier, so that the operation is more laborious.

In order to solve the technical problems, in the prior art, a chinese patent with publication number CN209466471U discloses a cement paste mixer, which has the technical key points that: the cement paste mixer comprises a cement paste mixer body and a base for supporting the cement paste mixer body, wherein a base plate is fixedly connected to the outer surface of the base, which is far away from the direction of the cement paste mixer body, a supporting rod is fixedly connected to the outer surface of the base, which is far away from the direction of the base, and a bottom plate is arranged at one end, far away from the base, of the supporting rod; the outer surface of the bottom plate is provided with a through hole, the through hole is internally threaded with a telescopic rod, and the telescopic rod penetrates through the through hole and is provided with a supporting roller capable of abutting against the ground.

The above prior art solutions have the following drawbacks: because when testing, need with cement and water stirring, among this technical scheme, only describe how to do the transportation to cement paste mixer, but do not explain to how to do the stirring to cement and water, present stirring vane can do the stirring to cement and water, but its stirring efficiency and the homogeneity of stirring are relatively not good, can influence the experimental effect for the result of use is relatively not good.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide a cement paste mixer, its homogeneity preferred relatively to the stirring effect of cement and water and stirring.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a cement paste mixer, which comprises a base, a mixing mechanism fixedly connected with the base, a driving mechanism fixedly connected with the base and a mixing pot arranged at the lower part of the base, the stirring mechanism comprises a first stirring shaft communicated with the output end of the driving mechanism, a plurality of second stirring shafts arranged around the first stirring shaft, a first stirring piece and a second stirring piece for stirring the stirring pot, the first stirring part and the second stirring part are respectively and fixedly connected with the first stirring shaft and the second stirring shaft, the first stirring shaft is rotationally connected with the base, one stirring shaft is rotationally connected with a planet carrier, a plurality of stirring shafts are rotationally connected with the planet carrier, the first stirring shaft and the second stirring shaft are both vertically arranged, the first stirring shaft and the second stirring shaft are respectively and fixedly connected with a driving gear and a planetary gear, the driving gear is meshed with the planetary gears, and the engine base is fixedly connected with a gear ring meshed with the plurality of planetary gears.

By adopting the technical scheme, when the cement mixer is used, the mixing pot is arranged under the mixing mechanism, the lower ends of the first mixing shaft and the second mixing shaft extend into the mixing pot, the first mixing shaft is driven to rotate by the driving mechanism, the second mixing shaft is driven to rotate by the first rotating mixing shaft through the driving gear and the planetary gear, so that the second mixing shaft can be driven to rotate when the first mixing shaft rotates, and the first rotating mixing shaft and the second mixing shaft respectively drive the first mixing part and the second mixing part to mix cement; simultaneously planetary gear meshes in the ring gear, can be so that when stirring, three (mixing) shaft two rotates around (mixing) shaft one to when making three (mixing) shaft two rotate to do the stirring, can encircle (mixing) shaft one and do the revolution, can effectually do the stirring to each corner in the agitator kettle, optimize the stirring effect, cement and hydroenergy can be stirred relatively more even when making the stirring, and the result of use is better, and (mixing) shaft two passes through planet carrier and connects in (mixing) shaft one simultaneously.

The present invention may be further configured in a preferred embodiment as: stirring piece one includes a plurality of stirring vane one, and is a plurality of stirring vane one is divided into multiunit and multiunit stirring vane one and distributes along the axial of (mixing) shaft one, stirring piece two includes a plurality of stirring vane two, and is a plurality of stirring vane is divided into multiunit and multiunit stirring vane two and distributes along the axial of (mixing) shaft two, stirring vane one and stirring vane two are crisscross distribution from top to bottom.

By adopting the technical scheme, when stirring, cement at different height positions in the stirring pot is stirred, so that the dead angle position in the stirring pot is further reduced when stirring, and the stirring effect is optimized.

The present invention may be further configured in a preferred embodiment as: the planes where the first stirring blade and the second stirring blade are located are both obliquely arranged, the upper surface of the first stirring blade faces to the rotating direction of the first stirring blade, and the upper surface of the second stirring blade faces to the direction away from the rotating direction of the second stirring blade.

Through adopting above-mentioned technical scheme, can be when the stirring for the cement at middle part flows up, and the cement that is located the agitated kettle outlying flows down, and during the feasible stirring, the flow of cement is more relatively, so that cement and water mix more evenly, optimize stirring effect.

The present invention may be further configured in a preferred embodiment as: the bottom wall of the stirring pot is of a spherical structure.

Through adopting above-mentioned technical scheme, can effectually reduce the edges and corners position in the agitator kettle for cement when doing reciprocating cycle under the effect of stirring piece 2 and stirring piece two, reduce the possibility that cement is long-pending to further optimize the stirring effect.

The present invention may be further configured in a preferred embodiment as: the driving mechanism comprises a driving motor, a coupler fixedly connected to an output shaft of the driving motor and a speed reducer fixedly connected to an output end of the coupler, and a power output end of the speed reducer is communicated with the first stirring shaft.

Through adopting above-mentioned technical scheme, when stirring, open driving motor and pass through the shaft coupling with power transmission to reduction gear in, the shaft coupling can reduce when using, to driving motor's damage, simultaneously, the reduction gear is carrying out the speed reduction to the power of input and is increasing the range after exporting to (mixing) shaft one to comparatively suitable rotational speed drives (mixing) shaft one and rotates, and the result of use is better relatively.

The present invention may be further configured in a preferred embodiment as: the output shaft of the speed reducer is fixedly connected with a worm, and the first stirring shaft is fixedly connected with a worm wheel meshed with the worm.

Through adopting above-mentioned technical scheme, when using, the power of reduction gear output can drive the worm wheel through the worm and rotate to can make when stopping the stirring, through the self-locking function between worm wheel 2 and the worm, make (mixing) shaft one and (mixing) shaft two can in time stop, the result of use when optimizing the stirring.

The present invention may be further configured in a preferred embodiment as: the machine base is vertically connected with a lifting platform used for installing the stirring pot in a sliding mode, the machine base is fixedly connected with a lifting piece enabling the lifting platform to vertically slide, and the lifting end of the lifting piece is fixedly connected to the lifting platform.

Through adopting above-mentioned technical scheme, when the stirring test is being done to needs, only need make the elevating platform descend through the lifter, then place the agitator kettle in the elevating platform, make the elevating platform above through the lifter to can make rabbling mechanism can do the stirring to the cement in the agitator kettle.

The present invention may be further configured in a preferred embodiment as: the lifting piece is an electric pushing cylinder, an output shaft of the lifting piece is vertically arranged, and the output shaft of the lifting piece is fixedly connected to the lifting platform.

Through adopting above-mentioned technical scheme to when making the use, it is comparatively convenient, and the electric pusher possesses self-locking function, the operation and the control of being convenient for simultaneously, in order can be before the stirring, the lift can be relatively more simple convenient do the lift to the elevating platform.

The present invention may be further configured in a preferred embodiment as: the lifting platform is provided with a placing groove matched with the bottom of the stirring pot, the bottom of the stirring pot is fixedly connected with two fixing plates which are vertical and are arranged in a crossed mode, a fixing groove matched with the two fixing plates is formed in the placing groove, and the fixing plates are inserted into the fixing groove.

Through adopting above-mentioned technical scheme, when using, insert through two fixed plates and locate the fixed slot and do the rotation locking to the agitator kettle, avoid the rabbling mechanism when doing the stirring to the cement in the agitator kettle, the agitator kettle is taken the rotation, influences the stirring effect.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when the stirring device is used, the stirring pot is arranged right below the stirring mechanism, the lower ends of the first stirring shaft and the second stirring shaft extend into the stirring pot, the driving mechanism drives the first stirring shaft to rotate, the rotating first stirring shaft drives the second stirring shaft to rotate through the driving gear and the planetary gear, so that when the first stirring shaft rotates, the second stirring shaft can be driven to rotate, and the rotating first stirring shaft and the rotating second stirring shaft respectively drive the first stirring piece and the second stirring piece to stir cement; meanwhile, the planet gear is meshed with the gear ring, so that when the stirring is performed, the three stirring shafts II rotate around the first stirring shaft, the three stirring shafts II can revolve around the first stirring shaft when the three stirring shafts II rotate to perform stirring, all corners in the stirring pot can be effectively stirred, the stirring effect is optimized, cement and water can be stirred relatively more uniformly during stirring, the using effect is better, and meanwhile, the second stirring shaft II is connected to the first stirring shaft through the planet carrier;

2. can be when the stirring for the cement at middle part flows up, is located the outlying cement of agitated kettle and flows down, and during the feasible stirring, the flow of cement is more relatively, so that cement and water mixing are more even, optimize the stirring effect.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic diagram of an explosive structure of the embodiment, which is mainly used for showing the structures of the stirring mechanism and the driving mechanism.

Fig. 3 is a partial sectional view of a part of the structure of the present embodiment, which is mainly used for showing the structure of the mounting cavity.

In the figure, 1, a machine base; 11. a lifting platform; 111. a placement groove; 112. fixing grooves; 113. a lock lever; 12. a lifting member; 13. a mounting cavity; 131. mounting a disc; 2. a stirring mechanism; 21. a first stirring shaft; 211. a driving gear; 212. a worm gear; 213. a planet carrier; 22. a second stirring shaft; 221. a planetary gear; 23. stirring a first part; 231. a first stirring blade; 24. a second stirring part; 241. a second stirring blade; 242. a flow deflector; 25. a ring gear; 3. a drive mechanism; 31. a drive motor; 32. a coupling; 33. a speed reducer; 331. a worm; 4. a stirred pot; 41. and (7) fixing the plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a cement paste mixer, including frame 1, the rabbling mechanism 2 that is used for stirring cement, be used for driving the rabbling mechanism 2 and do actuating mechanism 3 of stirring and be used for placing cement agitator kettle 4. The driving mechanism 3 is fixedly connected to the base 1, the stirring pot 4 is arranged at the lower part of the base 1, and the stirring end of the stirring mechanism 2 and the stirring pot 4 are vertically distributed.

Referring to fig. 2 and 3, the upper portion of the base 1 is provided with an installation cavity 13 having the same central axis as the stirring pan 4, the opening of the installation cavity 13 faces the stirring pan 4, and the stirring mechanism 2 is disposed in the installation cavity 13. The stirring mechanism 2 comprises a first stirring shaft 21 communicated with the output end of the driving mechanism 3, a second stirring shaft 22 arranged around the first stirring shaft 21, a first stirring piece 23 used for stirring the stirring pot 4 and a second stirring piece 24 used for stirring the stirring pot 4. The first stirring shaft 21 and the second stirring shaft 22 are both vertically arranged, and the lower ends of the first stirring shaft and the second stirring shaft can extend into the stirring pot 4. Wherein, (mixing) shaft 21 rotates to be connected in the chamber wall of installation cavity 13, and (mixing) shaft 21 rotates and is connected with planet carrier 213, and (mixing) shaft two 22 rotates and connects in planet carrier 213.

The first stirring shaft 21 is fixedly connected with a driving gear 211, the second stirring shaft 22 is fixedly connected with a planetary gear 221, the planetary gear 221 is meshed with the driving gear 211, and the cavity wall of the installation cavity 13 is fixedly connected with a gear ring 25 meshed with the plurality of planetary gears 221. Wherein, the first stirring piece 23 and the second stirring piece 24 are respectively and fixedly connected with the parts of the first stirring shaft 21 and the second stirring shaft 22 extending into the stirring pot 4.

When the cement mixer is used, the stirring pot 4 is arranged right below the stirring mechanism 2, the lower ends of the first stirring shaft 21 and the second stirring shaft 22 extend into the stirring pot 4, the driving mechanism 3 drives the first stirring shaft 21 to rotate, the rotating first stirring shaft 21 drives the second stirring shaft 22 to rotate through the driving gear 211 and the planetary gear 221, so that when the first stirring shaft 21 rotates, the second stirring shaft 22 can be driven to rotate, and the rotating first stirring shaft 21 and the rotating second stirring shaft 22 respectively drive the first stirring piece 23 and the second stirring piece 24 to stir cement; simultaneously planetary gear 221 meshes in ring gear 25, can be so that when stirring, three (mixing) shaft two 22 rotates around (mixing) shaft one 21 to when making three (mixing) shaft two 22 rotate to do the stirring, can encircle (mixing) shaft one 21 and do the revolution, can effectually do the stirring to each corner in the stirred tank 4, optimize the stirring effect, make cement and hydroenergy can stir relatively more even during the stirring, the result of use is better. Meanwhile, the second stirring shaft 22 is connected with the first stirring shaft 21 through the planet carrier 213 to support the second stirring shaft 22.

Referring to fig. 2 and 3, a mounting disc 131 is arranged at the lower opening of the mounting cavity 13, an outer ring of the mounting disc 131 is rotatably connected to the cavity wall of the mounting cavity 13, a first stirring shaft 21 and a second stirring shaft 22 respectively penetrate through the mounting disc 131, the first stirring shaft 21 and the second stirring shaft 22 are respectively rotatably connected with the mounting disc 131, and the planetary gear 221 is located between the planet carrier 213 and the mounting disc 131. When in use, the stirring shaft I21 drives the stirring shaft II 22 to revolve around the stirring shaft I21 through the planet gear 221 and the gear ring 25, so that the stirring shaft is relatively more stable.

The stirring piece I23 comprises a plurality of stirring blades I231, the plurality of stirring blades I231 are divided into a plurality of groups, and the plurality of groups of stirring blades I231 are distributed along the axial direction of the stirring shaft I21; the second stirring part 24 comprises a plurality of second stirring blades 241, the plurality of second stirring blades 241 are divided into a plurality of groups, the plurality of groups of second stirring blades 241 are distributed along the axial direction of the second stirring shaft 22, and the plurality of groups of first stirring blades 231 and the plurality of groups of second stirring blades 241 are distributed in a vertically staggered manner. When the cement mixer is used for mixing, cement at different height positions in the mixing pot 4 is mixed, so that dead angle positions in the mixing pot 4 during mixing are further reduced, and the mixing effect is further optimized.

The planes of the first stirring blade 231 and the second stirring blade 241 are both obliquely arranged, and the upper surface of the first stirring blade 231 faces the same direction as the rotating direction of the first stirring blade to drive the cement to move upwards; the upper surface of the second stirring blade 241 faces to the direction opposite to the rotating direction of the second stirring blade, so that the cement can be driven to move downwards. Thereby can make when doing the stirring to cement, the cement orientation at 4 middle parts of agitator kettle moves, and 4 outlying cement of agitator kettle move down for cement is the circulation in agitator kettle 4, optimizes its stirring effect, and three (mixing) shaft two 22 encircles (mixing) shaft one 21 and does the revolution simultaneously, can effectually make the motion of cement in agitator kettle 4 more violent, thereby makes the stirring more even.

Referring to fig. 2 and 3, a deflector 242 is fixedly connected to an end of the second stirring blade 241 away from the rotation center thereof, the deflector 242 is parallel to the second stirring shaft 22, a plane where the deflector 242 is located is disposed at a certain angle with a tangential direction of a rotation path of the end thereof, and a plate surface of the deflector 242 facing the rotation center thereof faces the rotation direction thereof. So that when the second stirring shaft 22 rotates, the cement can be guided towards the rotation center of the second stirring blade 241, so that the cement can flow more complexly, and the stirring effect is further optimized.

The interior diapire of stirred tank 4 is the sphere column structure to reduce the interior edges and corners position of stirred tank 4, when making cement reciprocating cycle under the effect of stirring piece 23 and stirring piece two 24, reduce the long-pending possibility of staying of cement, in order to further optimize the stirring effect.

The machine base 1 is vertically connected with a lifting platform 11 used for installing the stirring pot 4 in a sliding manner, the lifting platform 11 is of an L-shaped plate-shaped structure, the vertical part of the L of the lifting platform 11 is connected to the machine base 1 in a sliding manner through a dovetail groove, and the stirring pot 4 is placed on the horizontal part of the L of the lifting platform 11; a lifting piece 12 used for enabling the lifting piece to vertically slide is arranged below the lifting platform 11, the lifting piece 12 is fixedly connected to the machine base 1, and the lifting end of the lifting piece 12 is fixedly connected to the lifting platform 11.

When the stirring device is used, the stirring pot 4 is placed on the horizontal part of the L of the lifting platform 11, the lifting platform 11 is lifted through the lifting piece 12, so that the lower ends of the first stirring shaft 21 and the second stirring shaft 22 and the first stirring piece 23 and the second stirring piece 24 can extend into the stirring pot 4, and cement in the stirring pot 4 can be stirred.

Referring to fig. 2 and 3, the lifting member 12 is a micro electric pushing cylinder, an output shaft of the lifting member 12 is vertically arranged, and the output shaft of the lifting member 12 is fixedly connected to the lifting table 11. So that during the use, it is comparatively convenient to the electric pushing cylinder possesses self-locking function, is convenient for operate and control simultaneously, in order can be before the stirring, lift 12 can be relatively more simple convenient do the lift to elevating platform 11.

The horizontal part of the L of the lifting platform 11 is provided with a placing groove 111 matched with the bottom of the stirring pot 4, the outer wall of the bottom of the stirring pot 4 is fixedly connected with two fixing plates 41 parallel to the central axis of the stirring pot, the two fixing plates 41 are arranged in a crossed manner, a fixing groove 112 matched with the two fixing plates 41 is formed in the placing groove 111, the two fixing plates 41 are inserted into the fixing groove 112, and the outer bottom wall of the stirring pot 4 abuts against the groove wall of the placing groove 111. So that when using, insert through two fixed plates 41 and locate fixed slot 112 and do the rotation locking to agitator kettle 4, avoid that rabbling mechanism 2 is being done the stirring to the cement in agitator kettle 4, agitator kettle 4 is taken the rotation, influences the stirring effect.

Elevating platform 11 threaded connection has at least one lock pole 113, and lock pole 113 can penetrate to fixed slot 112 in to can butt in fixed plate 41, be used for doing the locking to stirred tank 4, thereby can reduce when stirring, the relative elevating platform 11 of stirred tank 4 breaks away from the possibility.

Referring to fig. 2 and 3, the housing 1 is integrally formed as a housing structure, and the driving mechanism 3 is fixedly connected to an inner wall of the housing 1. The driving mechanism 3 comprises a driving motor 31, a coupler 32 fixedly connected to an output shaft of the driving motor 31, and a speed reducer 33 fixedly connected to an output end of the coupler 32, wherein a power output end of the speed reducer 33 is communicated with the first stirring shaft 21. When stirring, open driving motor 31 and pass through in shaft coupling 32 transmits power to reduction gear 33, shaft coupling 32 can reduce the use in, to driving motor 31's damage, simultaneously, reduction gear 33 is carrying out the speed reduction to the power of input and is increasing the distance the back output to (mixing) shaft 21 to the rotation of (mixing) shaft 21 is driven to comparatively suitable rotational speed. The driving motor 31 may be a two-speed motor or a servo motor, and preferably a two-speed motor.

The output shaft of the reducer 33 is fixedly connected with a worm 331 which is coaxial with the output shaft, and the upper end of the stirring shaft I21 is fixedly connected with a worm wheel 212 which is meshed with the worm 331. When the stirring machine is used, the power output by the speed reducer 33 can drive the worm wheel 212 to rotate through the worm 331, so that when stirring is stopped, the first stirring shaft 21 and the second stirring shaft 22 can be stopped in time through the self-locking function between the worm wheel 212 and the worm 331, and the using effect during stirring is optimized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides a cement paste mixer, includes frame (1), fixed connection in rabbling mechanism (2) of frame (1), fixed connection in actuating mechanism (3) of frame (1) and sets up in stirred tank (4) of frame (1) lower part, its characterized in that: the stirring mechanism (2) comprises a first stirring shaft (21) communicated with the output end of the driving mechanism (3), a plurality of second stirring shafts (22) arranged around the first stirring shaft (21), a first stirring part (23) and a second stirring part (24) used for stirring the stirring pot (4), wherein the first stirring part (23) and the second stirring part (24) are fixedly connected to the first stirring shaft (21) and the second stirring shaft (22) respectively, the first stirring shaft (21) is rotationally connected to the machine base (1), the first stirring shaft (21) is rotationally connected with a planet carrier (213), the second stirring shaft (22) is rotationally connected to the planet carrier (213), the first stirring shaft (21) and the second stirring shaft (22) are both vertically arranged, the first stirring shaft (21) and the second stirring shaft (22) are respectively and fixedly connected with a driving gear (211) and a planet gear (221), and the driving gear (211) is meshed with the planet gear (221), the engine base (1) is fixedly connected with a gear ring (25) meshed with a plurality of planetary gears (221).

2. The cement paste mixer as claimed in claim 1, wherein: stirring piece (23) is including a plurality of stirring vane (231), and is a plurality of stirring vane (231) divide into multiunit and multiunit stirring vane (231) along the axial distribution of (21), stirring piece two (24) are including a plurality of stirring vane two (241), and are a plurality of stirring vane two (241) divide into multiunit and multiunit stirring vane two (241) along the axial distribution of (22), stirring vane (231) and stirring vane two (241) are crisscross distribution from top to bottom.

3. The cement paste mixer as claimed in claim 2, wherein: the plane that stirring vane (231) and stirring vane (241) are located all is the slope setting, the upper surface of stirring vane (231) is towards its direction of rotation, the upper surface of stirring vane (241) is towards keeping away from its direction of rotation.

4. A cement paste mixer according to claim 3, wherein: the bottom wall of the stirring pot (4) is of a spherical surface-shaped structure.

5. The cement paste mixer as claimed in claim 4, wherein: the driving mechanism (3) comprises a driving motor (31), a coupler (32) fixedly connected to an output shaft of the driving motor (31), and a speed reducer (33) fixedly connected to an output end of the coupler (32), wherein a power output end of the speed reducer (33) is communicated with the first stirring shaft (21).

6. The cement paste mixer as claimed in claim 5, wherein: an output shaft of the speed reducer (33) is fixedly connected with a worm (331), and the first stirring shaft (21) is fixedly connected with a worm wheel (212) meshed with the worm (331).

7. The cement paste mixer as claimed in claim 6, wherein: the vertical sliding connection of frame (1) has elevating platform (11) that are used for installing agitator kettle (4), frame (1) fixedly connected with makes elevating platform (11) vertical lift (12) that slide, the lift end fixed connection of lift (12) is in elevating platform (11).

8. The cement paste mixer as claimed in claim 7, wherein: the lifting piece (12) is an electric pushing cylinder, an output shaft of the lifting piece (12) is vertically arranged, and an output shaft of the lifting piece (12) is fixedly connected to the lifting platform (11).

9. The cement paste mixer as claimed in claim 7, wherein: the improved stirring device is characterized in that a placing groove (111) is formed in the bottom of the adaptive stirring pot (4) of the lifting platform (11), two fixing plates (41) which are vertical and are arranged in a crossed mode are fixedly connected to the bottom of the stirring pot (4), fixing grooves (112) which are matched with the two fixing plates (41) are formed in the placing groove (111), and the fixing plates (41) are inserted into the fixing grooves (112).

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