CN211640478U

CN211640478U - Building material agitating unit

Info

Publication number: CN211640478U
Application number: CN202020146383.4U
Authority: CN
Inventors: 张与丰; 陈景天; 谢媛媛; 陈旭嘉; 吴锐
Original assignee: Guangdong No2 Construction Engineering Co
Current assignee: Guangdong No2 Construction Engineering Co
Priority date: 2020-01-23
Filing date: 2020-01-23
Publication date: 2020-10-09
Anticipated expiration: 2030-01-23

Abstract

The utility model relates to a building material stirring device, which comprises a support frame, a stirring drum, a stirring mechanism and a stirring drum driving mechanism capable of driving the stirring drum to rotate around the axis of the stirring drum; the stirring mechanism comprises a stirring motor, a stirring shaft and a plurality of stirring blade sets, the stirring motor is arranged on the stirring cylinder, the stirring shaft is rotatably arranged in a cavity of the stirring cylinder and is arranged along the front-back direction, the stirring blade sets comprise at least one stirring blade, and the stirring blade is arranged on the stirring shaft; the front end of the mixing drum is provided with a material inlet and a material outlet, the inner side surface of the mixing drum is provided with a plurality of material guide plate groups which are sequentially arranged from front to back, each material guide plate group comprises a plurality of material guide plates which are circumferentially arranged along the mixing drum, the material guide plates are gradually inclined from front to back from one side to the other side, and the inclination directions of the material guide plates are consistent. The utility model discloses not only can carry out abundant, uniformly stir the mixing to building material, can realize the swiftly ejection of compact moreover, be favorable to improving stirring effect and work efficiency.

Description

Building material agitating unit

Technical Field

The utility model relates to a construction equipment technical field, concretely relates to building material agitating unit.

Background

Building materials (e.g., cement mortar, plastering mortar, etc.) are essential materials for building construction. In the process of building construction, a stirring device is required to be used for fully stirring and mixing the building materials; the building material can be painted on the exterior wall of the building after mixing is completed.

Traditional building material agitating unit generally adopts structural style, arranges the single agitator of quantity and stirs, often to building material (especially a large amount of building material) the stirring insufficient, even, leads to stirring effect relatively poor, and ejection of compact speed is slower when unloading moreover, leads to work efficiency lower. In addition, because the agitator can receive wearing and tearing at the in-process stirring building material's of agitator, after long-term work, in order not to influence stirring effect, stirring vane need change, and the (mixing) shaft in the present agitator is the integral type structure with stirring vane mostly, is not convenient for change.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a building material agitating unit is provided, this kind of building material agitating unit not only can carry out abundant, stir uniformly to building material and mix, can realize swiftly unloading moreover, is favorable to improving stirring effect and work efficiency. The technical scheme is as follows:

the utility model provides a building material agitating unit, including support frame, churn and rabbling mechanism, the rabbling mechanism includes agitator motor, (mixing) shaft and a plurality of stirring vane group, agitator motor installs on the churn, (mixing) shaft rotatable install in the cavity of churn and set up along the fore-and-aft direction, (mixing) shaft is connected with agitator motor's power output shaft transmission, each stirring vane group sets gradually along the axial of (mixing) shaft, stirring vane group includes at least one stirring vane, stirring vane installs on the (mixing) shaft, its characterized in that: building material agitating unit is still including driving the churn is around its axis pivoted churn actuating mechanism, and churn actuating mechanism installs on the support frame, the axis of churn sets up along the fore-and-aft direction, and the front end of churn is equipped with into discharge gate, and the cavity intercommunication of discharge gate and churn is equipped with a plurality of stock guide group from preceding to arranging in proper order after to on the medial surface of churn, and every stock guide group includes a plurality of stock guides along churn circumference range, and the stock guide inclines gradually after preceding to from its one side direction opposite side, and the incline direction of each stock guide is unanimous.

Typically, the inclination angles of the guide plates (i.e. the included angles between the planes of the guide plates and the axis of the mixing drum) are identical.

When the mixer works, building materials to be mixed are put into a cavity of the mixing drum through the material inlet and the material outlet; then, the mixing drum driving mechanism drives the mixing drum to rotate forwards around the axis of the mixing drum, the rear side faces of the guide plates apply backward oblique acting force on the building materials in the cavity of the mixing drum, so that the building materials in the mixing drum move towards the rear end of the cylinder while turning, meanwhile, the mixing motor drives the mixing shaft and each mixing blade on the mixing shaft to rotate together, the building materials in the mixing drum are fully and uniformly mixed together, and therefore the mixing effect of the building materials is effectively improved. After the building materials are stirred and mixed, the stirring drum driving mechanism drives the stirring drum to rotate reversely around the axis of the stirring drum, oblique forward acting force is applied to the building materials in the cavity of the stirring drum through the front side faces of the guide plates, so that the building materials in the stirring drum move towards the front end of the stirring drum while performing reverse overturning motion, and finally the building materials are discharged through the material inlet and the material outlet, so that rapid discharging is realized.

In a preferred scheme, the mixing drum comprises a cylinder body, a front end cover and a rear end cover, wherein the cylinder body is arranged along the front-back direction, the front end cover is fixedly arranged on a front end opening of the cylinder body, the rear end cover is detachably arranged on a rear end opening of the cylinder body, and the cylinder body, the front end cover and the rear end cover jointly enclose a cavity of the mixing drum; the feed and discharge port is arranged at the central position of the front end cover; the inner side surface of the cylinder body is also provided with a mounting plate, and the mounting plate is provided with a positioning hole of a stirring shaft; the stirring motor is arranged on the rear end cover, the stirring shaft is rotatably arranged on the rear end cover, and the front end of the stirring shaft is positioned in the stirring shaft positioning hole; the stirring shaft is provided with a plurality of connecting components which are axially arranged along the stirring shaft, the stirring blade groups are the same as the connecting components in number and correspond to the connecting components one by one, and the stirring blades of the stirring blade groups are detachably arranged on the corresponding connecting components. The axis of the cylinder is the axis of the mixing drum. When the stirring blade is damaged and needs to be replaced, the connection between the rear end cover and the rear end of the cylinder body is firstly released, then the rear end cover and the stirring mechanism on the rear end cover move backwards together until the front end of the stirring shaft is separated from the stirring shaft positioning hole on the mounting plate, the rear end cover and the stirring mechanism on the rear end cover can be detached together, then the damaged stirring blade is detached from the stirring shaft, and a new stirring blade is mounted; after the replacement is finished, the rear end cover and the stirring mechanism are installed back to the original position, the replacement is convenient, and the working efficiency can be improved.

In a more preferable scheme, the connecting part comprises a lantern ring and a plurality of mounting blocks, the lantern ring is mounted on the stirring shaft, the mounting blocks are arranged on the outer side surface of the lantern ring and are arranged along the circumferential direction of the lantern ring, and first connecting through holes are formed in the mounting blocks; the stirring blade group comprises a plurality of stirring blades which are arranged along the circumferential direction of the stirring shaft, the stirring blades are the same in number as the mounting blocks and correspond to the mounting blocks one by one, second connecting through holes are formed in the inner ends of the stirring blades, and the second connecting through holes are aligned to the first connecting through holes and are connected through first bolt structures.

In a further more preferable embodiment, the first bolt structure includes a first fixing bolt and a first fixing nut that are engaged with each other, a screw of the first fixing bolt is located in the first connecting through hole and the second connecting through hole, and a head of the first fixing bolt and the first fixing nut together clamp the stirring blade and the mounting block.

In a preferred scheme, the stirring drum driving mechanism comprises a rotating motor, two rotating shafts, a plurality of transmission gear sets and a plurality of ring gears, wherein the two rotating shafts can be rotatably arranged on the supporting frame in a front-back direction and are arranged side by side left and right; the rotating motor is arranged on the supporting frame, and a power output shaft of the rotating motor is in transmission connection with one rotating shaft; each ring gear is fixedly arranged on the outer side surface of the cylinder body and is sequentially arranged from front to back; each transmission gear set is arranged below the mixing drum, the transmission gear sets and the ring gears are the same in number and correspond to one another, each transmission gear set comprises two transmission gears which are arranged side by side at the left and the right, the two transmission gears are meshed with the corresponding ring gears, each transmission gear at the left side is arranged on a rotating shaft at the left side, and each transmission gear at the right side is arranged on a rotating shaft at the right side; the support frame is also provided with two limiting mechanisms which are respectively positioned on the front side and the rear side of the mixing drum. The two rotating shafts and the transmission gear groups play a role in supporting the mixing drum together; the two limiting mechanisms limit the position of the mixing drum in the front-back direction together, so that the position of the mixing drum is kept stable. When the stirring device works, the rotating motor drives one rotating shaft and each transmission gear on the rotating shaft to rotate forwards or reversely, each ring gear drives the stirring cylinder to rotate forwards or reversely around the axis of the stirring cylinder, and the other rotating shaft and each ring gear on the other rotating shaft rotate together.

In a more preferable scheme, the front end face of the front end cover and the rear end face of the rear end cover are both provided with circular chutes, and the axes of the two circular chutes are coincident with the axis of the mixing drum; two stop gear and two ring shape spout one-to-one, stop gear include dead lever, slider and ball, and the dead lever is located on the support frame, be equipped with the horizontal spout of trend around on the slider, the dead lever is in horizontal spout, and the slider passes through second bolted construction with the dead lever to be connected, and the ball is installed and is served and be in corresponding ring shape spout near one of churn at the slider, and the tank bottom in close contact with of ball and corresponding ring shape spout. When the mixing drum driving mechanism drives the mixing drum to rotate around the axis of the mixing drum, the two limiting mechanisms and the mixing drum rotate relatively, at the moment, the two sliding blocks respectively move relatively along the corresponding circular sliding grooves, and the balls are in rolling fit with the groove bottoms of the corresponding circular sliding grooves, so that the normal rotation of the mixing drum is not influenced; because the balls in the two limiting mechanisms are respectively in close contact with the bottoms of the two circular chutes, the positions of the mixing drum in the front and rear directions can be limited together, so that the position of the mixing drum is kept stable. When stirring vane damages and needs to be changed, the second bolt structure in the limiting mechanism at the rear side is detached firstly, then the sliding block is moved backwards, the fixed rod is enabled to move relatively along the horizontal sliding groove on the sliding block until the sliding block and the ball thereon are completely separated from the corresponding circular sliding groove, then the connection between the rear end cover and the cylinder body is unfastened, and the rear end cover and the stirring mechanism thereon can be detached together.

In a further more preferable scheme, the second bolt structure includes a first threaded through hole, a second threaded through hole and a second fixing bolt, the first threaded through hole is arranged on the slider and is in an up-and-down direction, and the first threaded through hole is communicated with the horizontal chute; the second threaded through hole is formed in the fixed rod and runs up and down, and a screw of the second fixing bolt is located in the first threaded through hole and the second threaded through hole and meshed with the first threaded through hole and the second threaded through hole.

In the preferred scheme, the building material stirring device further comprises a discharge plate, the discharge plate is installed on the support frame, the discharge plate is gradually inclined downwards from one side edge of the discharge plate to the other side edge of the discharge plate, and the upper side edge of the discharge plate is located under the material inlet and outlet of the stirring cylinder. When unloading, the well-stirred and mixed building materials fall on the discharging plate after coming out from the material inlet and outlet of the stirring cylinder, and flow down towards the lower side edge of the discharging plate.

The utility model discloses a building material agitating unit passes through the cooperation between churn, churn actuating mechanism, rabbling mechanism and each stock guide group, not only can fully, stir uniformly building material, effectively improves the stirring mixed effect to building material, and the corotation of accessible churn, reversal realize swiftly feeding, the ejection of compact moreover, are favorable to improving work efficiency.

Drawings

Fig. 1 is a schematic structural view of a construction material stirring device according to a preferred embodiment of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is a schematic view showing the construction of a connecting member in the construction material stirring device shown in fig. 1.

Detailed Description

As shown in fig. 1, 2 and 3, the building material stirring device comprises a support frame 1, a stirring drum 2, a stirring mechanism 3 and a stirring drum driving mechanism 4 capable of driving the stirring drum 2 to rotate around the axis thereof; the stirring mechanism 3 comprises a stirring motor 31, a stirring shaft 32 and a plurality of stirring blade groups 33, wherein the stirring motor 31 is installed on the stirring barrel 2, the stirring shaft 32 is rotatably installed in the cavity of the stirring barrel 2 and is arranged along the front-back direction, the stirring shaft 32 is in transmission connection with a power output shaft of the stirring motor 31, each stirring blade group 33 is sequentially arranged along the axial direction of the stirring shaft 32, the stirring blade group 33 comprises at least one stirring blade 331, and the stirring blades 331 are installed on the stirring shaft 32; the mixing drum driving mechanism 4 is arranged on the support frame 1; the axis of the mixing drum 2 is arranged along the front-back direction, the front end of the mixing drum 2 is provided with a material inlet and outlet 201, the material inlet and outlet 201 is communicated with the cavity of the mixing drum 2, the inner side surface of the mixing drum 2 is provided with a plurality of material guide plate groups 5 which are sequentially arranged from front to back, each material guide plate group 5 comprises a plurality of material guide plates 51 which are circumferentially arranged along the mixing drum 2, each material guide plate 51 is gradually inclined from the front to the back from one side to the other side, and the inclination direction and the inclination angle of each material guide plate 51 are consistent.

In this embodiment, the mixing drum 2 includes a cylinder 21, a front end cover 22 and a rear end cover 23, the cylinder 21 is disposed along the front-rear direction, the front end cover 22 is fixedly installed on the front end opening of the cylinder 21, the rear end cover 23 is detachably installed on the rear end opening of the cylinder 21, and the cylinder 21, the front end cover 22 and the rear end cover 23 together enclose a cavity of the mixing drum 2; the material inlet and outlet 201 is arranged at the center of the front end cover 22; the inner side surface of the cylinder body 21 is also provided with a mounting plate 24, and the mounting plate 24 is provided with a stirring shaft positioning hole 241; the stirring motor 31 is arranged on the rear end cover 23, the stirring shaft 32 is rotatably arranged on the rear end cover 23, and the front end of the stirring shaft 32 is positioned in the stirring shaft positioning hole 241; the stirring shaft 32 is provided with a plurality of connecting parts 34 which are sequentially arranged along the axial direction of the stirring shaft 32, the connecting parts 34 are the same in number as the stirring blade groups 33 and correspond to the stirring blade groups 33 one by one, each connecting part 34 comprises a lantern ring 341 and a plurality of mounting blocks 342, the lantern ring 341 is mounted on the stirring shaft 32, each mounting block 342 is arranged on the outer side surface of the lantern ring 341 and is arranged along the circumferential direction of the lantern ring 341, and the mounting blocks 342 are provided with first connecting through holes 3421; the stirring blade set 33 includes a plurality of stirring blades 331 arranged along the circumferential direction of the stirring shaft 32, the number of the stirring blades 331 is the same as that of the mounting blocks 342, and the stirring blades 331 are in one-to-one correspondence, and the inner ends of the stirring blades 331 are provided with second connecting through holes which are aligned with the first connecting through holes 3421 and connected by a first bolt structure (not shown in the figure).

In this embodiment, the churn driving mechanism 4 includes a rotating motor 41, two rotating shafts 42, a plurality of transmission gear sets 43 and a plurality of ring gears 44, wherein the two rotating shafts 42 can be rotatably installed on the support frame 1 and move forward and backward, and the two rotating shafts 42 are arranged side by side left and right; the rotating motor 41 is arranged on the support frame 1, and a power output shaft of the rotating motor 41 is in transmission connection with one rotating shaft 42; each ring gear 44 is fixedly mounted on the outer side surface of the cylinder 21 and arranged in order from front to back; each transmission gear set 43 is arranged below the mixing drum 2, the transmission gear sets 43 correspond to the ring gears 44 in the same number one by one, each transmission gear set 43 comprises two transmission gears 431 which are arranged side by side left and right, the two transmission gears 431 are meshed with the corresponding ring gear 44, each transmission gear 431 on the left side is arranged on the rotating shaft 42 on the left side, and each transmission gear 431 on the right side is arranged on the rotating shaft 42 on the right side; the front end face of the front end cover 22 and the rear end face of the rear end cover 23 are both provided with circular ring-shaped chutes 223, axes of the two circular ring-shaped chutes 223 are coincident with an axis of the mixing drum 2, the support frame 1 is also provided with two limiting mechanisms 6, the two limiting mechanisms 6 are respectively positioned at the front side and the rear side of the mixing drum 2, the two limiting mechanisms 6 are in one-to-one correspondence with the two circular ring-shaped chutes 223, each limiting mechanism 6 comprises a fixed rod 61, a sliding block 62, a ball 63 and a second fixed bolt 64, the fixed rod 61 is arranged on the support frame 1, the sliding block 62 is provided with a front-and-rear-oriented horizontal chute 621, the fixed rod 61 is positioned in the horizontal chute 621, the sliding block 62 is provided with a first threaded through hole 622 which is vertically oriented, the first threaded through hole 622 is communicated with the horizontal chute 621, the fixed rod 61 is provided with a second threaded through hole 611 which is vertically oriented, screws, The second threaded through hole 611 is engaged; the balls 63 are mounted on the end of the slider 62 close to the whisking cylinder 2 and in the respective circular-ring-shaped chutes 223, the balls 63 being in close contact with the bottom of the respective circular-ring-shaped chutes 223.

The building material stirring device of this embodiment still includes ejection of compact board 7, and ejection of compact board 7 is installed on support frame 1, and ejection of compact board 7 slopes down gradually to its opposite side border from its one side border, and the upside border that goes out ejection of compact board 7 is in under business turn over material mouth 201.

The working principle of the building material stirring device is briefly described as follows:

when the mixer works, building materials to be mixed are put into the cavity of the mixing drum 2 through the material inlet and outlet 201; then the rotating motor 41 drives the rotating shaft 42 and each transmission gear 431 thereon to rotate forward, the mixing drum 2 is driven to rotate forward around the axis thereof by each ring gear 44 (at this time, the two limiting mechanisms 6 rotate relative to the mixing drum 2, the two sliding blocks 62 respectively move relative to each other along the corresponding circular sliding grooves 223, the balls 63 are in rolling fit with the groove bottoms of the corresponding circular sliding grooves 223, the normal rotation of the mixing drum 2 is not influenced, and the positions of the mixing drum 2 in the front and rear directions are limited), and an oblique and backward acting force is applied to the building materials in the cavity of the mixing drum 2 by the rear side surface of each material guide plate 51, so that the building materials in the mixing drum 2 move towards the rear end of the cylinder 21 while turning over, and simultaneously the mixing motor 31 drives the mixing shaft 32 and each mixing blade 331 thereon to rotate together, so as to fully and fully carry out the building materials in the mixing drum 2, Uniformly stirring, thereby effectively improving the stirring and mixing effects of the building materials. After the building materials are stirred and mixed, the rotating motor 41 drives the rotating shaft 42 and each transmission gear 431 thereon to rotate reversely, the mixing drum 2 is driven to rotate reversely around the axis thereof by each ring gear 44 (at this time, the two limiting mechanisms 6 rotate relatively to the mixing drum 2, the two sliding blocks 62 move relatively along the corresponding circular sliding grooves 223 respectively, the balls 63 are in rolling fit with the groove bottoms of the corresponding circular sliding grooves 223, the normal rotation of the mixing drum 2 is not influenced, and the positions of the mixing drum 2 in the front and rear directions are limited), and an oblique forward acting force is applied to the building materials in the cavity of the mixing drum 2 by the front side surface of each guide plate 51, so that the building materials in the mixing drum 2 move towards the front end of the mixing drum 2 while making reverse overturning motion, finally fall on the discharge plate 7 after coming out from the feed and discharge port 201 and flow downwards towards the lower side edge of the discharge plate 7, realize swiftly unloading.

When the stirring blade 331 is damaged and needs to be replaced, the second fixing bolt 64 in the limiting mechanism 6 at the rear side is firstly detached from the first threaded through hole 622 and the second threaded through hole 611, and then the sliding block 62 is moved backwards, so that the fixing rod 61 moves relatively along the horizontal sliding groove 621 on the sliding block 62 until one end of the sliding block 62 and the ball 63 on the sliding block completely separate from the corresponding circular sliding groove 223; then the connection between the rear end cover 23 and the rear end of the cylinder 21 is released, and the rear end cover 23 and the stirring mechanism 3 on the rear end cover are moved backwards together until the front end of the stirring shaft 32 is separated from the stirring shaft positioning hole 241 on the mounting plate 24, and the rear end cover 23 and the stirring mechanism 3 on the rear end cover are detached together; then, the damaged stirring blade 331 is detached from the corresponding mounting block 342, and a new stirring blade 331 is mounted; after the replacement is finished, the rear end cover 23 and the stirring mechanism 3 are installed back to the original position together, then the sliding block 62 is moved forward, so that the fixed rod 61 moves relatively along the horizontal sliding groove 621 on the sliding block 62 until the ball 63 at one end of the sliding block 62 and on the sliding block is positioned in the circular sliding groove 223, the ball 63 is in close contact with the groove bottom of the circular sliding groove 223, and finally the second fixing bolt 64 is screwed into the first threaded through hole 622 and the second threaded through hole 611, so that the sliding block 62 is positioned.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a building material agitating unit, including support frame, churn and rabbling mechanism, the rabbling mechanism includes agitator motor, (mixing) shaft and a plurality of stirring vane group, agitator motor installs on the churn, (mixing) shaft rotatable install in the cavity of churn and set up along the fore-and-aft direction, (mixing) shaft is connected with agitator motor's power output shaft transmission, each stirring vane group sets gradually along the axial of (mixing) shaft, stirring vane group includes at least one stirring vane, stirring vane installs on the (mixing) shaft, its characterized in that: building material agitating unit is still including driving the churn is around its axis pivoted churn actuating mechanism, and churn actuating mechanism installs on the support frame, the axis of churn sets up along the fore-and-aft direction, and the front end of churn is equipped with into discharge gate, and the cavity intercommunication of discharge gate and churn is equipped with a plurality of stock guide group from preceding to arranging in proper order after to on the medial surface of churn, and every stock guide group includes a plurality of stock guides along churn circumference range, and the stock guide inclines gradually after preceding to from its one side direction opposite side, and the incline direction of each stock guide is unanimous.

2. The building material stirring device according to claim 1, wherein: the mixing drum comprises a cylinder body, a front end cover and a rear end cover, the cylinder body is arranged along the front-back direction, the front end cover is fixedly arranged on the front end opening of the cylinder body, the rear end cover is detachably arranged on the rear end opening of the cylinder body, and the cylinder body, the front end cover and the rear end cover jointly enclose a cavity of the mixing drum; the feed and discharge port is arranged at the central position of the front end cover; the inner side surface of the cylinder body is also provided with a mounting plate, and the mounting plate is provided with a positioning hole of a stirring shaft; the stirring motor is arranged on the rear end cover, the stirring shaft is rotatably arranged on the rear end cover, and the front end of the stirring shaft is positioned in the stirring shaft positioning hole; the stirring shaft is provided with a plurality of connecting components which are sequentially arranged along the axial direction of the stirring shaft, the stirring blade groups are in the same number with the connecting components and are in one-to-one correspondence, and the stirring blades of the stirring blade groups are detachably arranged on the corresponding connecting components.

3. The building material stirring device according to claim 2, wherein: the connecting part comprises a lantern ring and a plurality of mounting blocks, the lantern ring is mounted on the stirring shaft, the mounting blocks are arranged on the outer side surface of the lantern ring and are arranged along the circumferential direction of the lantern ring, and first connecting through holes are formed in the mounting blocks; the stirring blade group comprises a plurality of stirring blades which are arranged along the circumferential direction of the stirring shaft, the stirring blades are the same in number as the mounting blocks and correspond to the mounting blocks one by one, second connecting through holes are formed in the inner ends of the stirring blades, and the second connecting through holes are aligned to the first connecting through holes and are connected through first bolt structures.

4. The building material stirring device according to claim 3, wherein: the first bolt structure comprises a first fixing bolt and a first fixing nut which are meshed with each other, a screw rod of the first fixing bolt is arranged in the first connecting through hole and the second connecting through hole, and the head of the first fixing bolt and the first fixing nut jointly clamp the stirring blade and the mounting block.

5. The construction material stirring device according to any one of claims 2 to 4, wherein: the stirring drum driving mechanism comprises a rotating motor, two rotating shafts, a plurality of transmission gear sets and a plurality of ring gears, the two rotating shafts can be rotatably arranged on the supporting frame and move in a front-back direction, and the two rotating shafts are arranged side by side at the left and right; the rotating motor is arranged on the supporting frame, and a power output shaft of the rotating motor is in transmission connection with one rotating shaft; each ring gear is fixedly arranged on the outer side surface of the cylinder body and is sequentially arranged from front to back; each transmission gear set is arranged below the mixing drum, the transmission gear sets and the ring gears are the same in number and correspond to one another, each transmission gear set comprises two transmission gears which are arranged side by side at the left and the right, the two transmission gears are meshed with the corresponding ring gears, each transmission gear at the left side is arranged on a rotating shaft at the left side, and each transmission gear at the right side is arranged on a rotating shaft at the right side; the support frame is also provided with two limiting mechanisms which are respectively positioned on the front side and the rear side of the mixing drum.

6. The building material stirring device according to claim 5, wherein: the front end face of the front end cover and the rear end face of the rear end cover are both provided with circular chutes, and the axes of the two circular chutes are coincident with the axis of the mixing drum; two stop gear and two ring shape spout one-to-one, stop gear include dead lever, slider and ball, and the dead lever is located on the support frame, be equipped with the horizontal spout of trend around on the slider, the dead lever is in horizontal spout, and the slider passes through second bolted construction with the dead lever to be connected, and the ball is installed and is served and be in corresponding ring shape spout near one of churn at the slider, and the tank bottom in close contact with of ball and corresponding ring shape spout.

7. The building material stirring device according to claim 6, wherein: the second bolt structure comprises a first threaded through hole, a second threaded through hole and a second fixing bolt, the first threaded through hole is arranged on the sliding block and is in an up-and-down trend, and the first threaded through hole is communicated with the horizontal sliding groove; the second threaded through hole is formed in the fixed rod and runs up and down, and a screw of the second fixing bolt is located in the first threaded through hole and the second threaded through hole and meshed with the first threaded through hole and the second threaded through hole.

8. The construction material stirring device according to any one of claims 1 to 4, wherein: the building material stirring device further comprises a discharge plate, the discharge plate is installed on the support frame, the discharge plate is gradually inclined downwards from one side edge of the discharge plate to the other side edge of the discharge plate, and the upper side edge of the discharge plate is located under the material inlet and outlet of the stirring cylinder.