CN218892067U

CN218892067U - Cement stirring device

Info

Publication number: CN218892067U
Application number: CN202320026302.0U
Authority: CN
Inventors: 曹广民; 张永光; 李会莉; 岳淑淑; 仇甲甲
Original assignee: Tianrui Group Xiaoxian Cement Co ltd
Current assignee: Tianrui Group Xiaoxian Cement Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-21
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a cement stirring device, which comprises a frame box body and a stirring cylinder, wherein the stirring cylinder is rotatably arranged in the frame box body, and the upper end in the frame box body is also provided with a stirring mechanism which is used for extending into the stirring cylinder; a driving motor is fixedly arranged at the top end of the frame box body, and the output end of the driving motor is connected with a transmission mechanism for driving the stirring mechanism to rotate; the output end of the driving motor is also connected with a rotating mechanism for driving the stirring cylinder to rotate; the frame box top still fixed mounting has the guide hopper that is used for throwing the material to the churn inside, the discharging pipe is installed to the churn bottom, and the discharging pipe wears out frame box bottom. The utility model can uniformly spread the desulfurized gypsum in the stirring cylinder during material guiding, the rotation number (rotation angle) of the stirring cylinder is not limited, the stirring and mixing operation is convenient to use, and the utility model is beneficial to improving the mixing and processing efficiency of the desulfurized gypsum and the cement clinker.

Description

Cement stirring device

Technical Field

The utility model relates to the technical field of cement processing and stirring, in particular to a cement stirring device.

Background

Cement is an important building material and is widely used in construction due to its good cohesiveness, high strength and good shock resistance. Because the main component of the desulfurized gypsum is calcium sulfate dihydrate, the desulfurized gypsum is used for replacing natural gypsum to serve as a cement retarder, and the desulfurized gypsum is of great significance to protecting the environment, developing recycling economy and building a saving type society, and therefore, the desulfurized gypsum is usually doped into cement clinker in the cement production and processing process. In the prior art, when cement clinker and desulfurized gypsum are mixed and stirred, all desulfurized gypsum is often poured into the cement clinker and then stirred, so that the process of completely mixing the cement clinker and the desulfurized gypsum is very slow, and the production efficiency of cement mixing and preparation is reduced. In order to solve the problems, chinese patent application (issued publication No. CN215241788U, issued publication No. 2021.12.21) discloses a desulfurized gypsum doping device for cement production, the scheme drives the outer wall of a stirring shaft to rotate through a connecting plate connected with a bearing by a connecting gear arranged on the outer wall of the rotating shaft, meanwhile, a connecting plate and a feeding hole arranged on a top plate can be overlapped, desulfurized gypsum in a feeding hopper can fall into a processing box, after falling, the connecting plate is continuously driven by the connecting gear to rotate, then the two feeding holes are separated to stop feeding, a motor continues to move, the stirring shaft and a stirring blade can be driven by a transmission bevel gear to stir added desulfurized gypsum cement clinker, and after uniform stirring, the two feeding holes are periodically overlapped by continuous operation of the motor, so that the desulfurized gypsum can be periodically fed and stirred.

In the scheme, the feeding process of the desulfurized gypsum is intermittent, and the uniform mixing of cement clinker and desulfurized gypsum is realized in a slow feeding mode, so that the processing time of stirring and mixing can be greatly prolonged during specific application; in addition, because of the limitation of the rotating shaft, the stirring mechanism can not rotate for one circle, and can only perform back and forth forward rotation stirring or reverse rotation stirring at a rotation angle lower than 360 degrees, and the stirring effect is not ideal.

Disclosure of Invention

The present utility model is directed to a cement stirring device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the cement stirring device comprises a frame box body and a stirring cylinder, wherein the stirring cylinder is rotatably arranged in the frame box body, and a stirring mechanism used for extending into the stirring cylinder is further arranged at the upper end in the frame box body;

a driving motor is fixedly arranged at the top end of the frame box body, and the output end of the driving motor is connected with a transmission mechanism for driving the stirring mechanism to rotate;

the output end of the driving motor is also connected with a rotating mechanism for driving the stirring cylinder to rotate;

the frame box top still fixed mounting has the guide hopper that is used for throwing the material to the churn inside, the discharging pipe is installed to the churn bottom, and the discharging pipe wears out frame box bottom.

As a further scheme of the utility model, the rotating mechanism comprises a rotating shaft, a group of gears and a group of gear rings, the lower end of the rotating shaft is in rotating fit connection with a base plate of the frame box body, and the upper end of the rotating shaft is in driving connection with the output end of the driving motor;

the rotary shaft is fixedly provided with a group of gears, the gear ring is fixedly arranged on the circumferential outer wall of the stirring barrel, and the gears are in meshed connection with the gear ring.

As a further scheme of the utility model, the stirring mechanism comprises a stirring shaft, a propeller blade and a U-shaped scraping plate, wherein the upper end of the stirring shaft is rotatably arranged at the top of the frame box body; the screw blade is fixedly installed on the stirring shaft, the U-shaped scraping plate is fixedly installed at the lower end of the stirring shaft, the outer side edge of the U-shaped scraping plate is attached to the inner wall of the stirring cylinder, and specifically, the upper end of the U-shaped scraping plate is fixedly connected with the stirring shaft through the connecting rod, so that the outer side edge of the U-shaped scraping plate can be kept attached to the inner wall of the stirring cylinder. When stirring, the U-shaped scraping plate can turn cement materials in the circumferential direction to enable cement clinker and desulfurized gypsum to be mixed, and when discharging, the U-shaped scraping plate can scrape the cement materials possibly adhered to the stirring cylinder, so that mixed cement can be led out by the discharging pipe.

As a further scheme of the utility model, the transmission mechanism comprises a first belt pulley, a second belt pulley and a belt, wherein the first belt pulley is sleeved and fixed at the upper end of the rotating shaft, the second belt pulley is sleeved and fixed on the stirring shaft, and the first belt pulley is connected with the second belt pulley through the belt. The driving motor drives the rotating shaft to rotate, the rotating shaft drives the first belt pulley to rotate, and the first belt pulley can drive the stirring shaft to rotate through the second belt pulley, so that the rotary stirring operation of the stirring mechanism is realized.

As a further scheme of the utility model, the annular bracket is fixedly arranged on the base plate of the frame box body and is in rotary fit connection with the lowest gear ring through the slewing bearing.

As a further scheme of the utility model, the discharging pipe is connected with the base plate of the frame box body in a rotating fit manner through a bearing, and the lower end of the discharging pipe is provided with a discharging valve in a butt joint manner.

As a further scheme of the utility model, the opening end of the guide hopper is fixedly sleeved with a guide cloth sleeve, and the opening of the upper end of the guide cloth sleeve is provided with an elastic band.

As a further scheme of the utility model, the bottom of the frame box body is provided with a plurality of universal wheels.

Compared with the prior art, the utility model has the beneficial effects that: when the desulfurization gypsum is introduced, the driving motor synchronously drives the stirring mechanism to rotate through the transmission mechanism, and the driving motor synchronously drives the stirring cylinder to rotate through the rotation mechanism, so that the desulfurization gypsum introduced through the guide hopper can be continuously scattered in the stirring cylinder along the circumferential direction as the stirring cylinder is in a rotating state, and then the uniform mixing of the desulfurization gypsum and the cement clinker can be efficiently completed by matching with the synchronous rotating stirring mechanism;

compared with the technical scheme of the comparison document, the rotation number (rotation angle) of the stirring barrel is not limited, and a worker can adjust the positive rotation number and the negative rotation number of the stirring barrel according to actual stirring requirements so as to better mix the desulfurized gypsum and the cement clinker.

Drawings

FIG. 1 is a schematic view of a cement mixer;

FIG. 2 is a schematic structural view of a mixing drum in a cement mixing device;

FIG. 3 is an enlarged schematic view of the construction of a cement mixer A;

fig. 4 is an enlarged schematic view of the structure of the cement stirring device B.

In the figure: 1-frame box, 2-stirring mechanism, 21-stirring shaft, 22-propeller blade, 23-U-shaped scraping plate, 24-connecting rod, 3-rotating mechanism, 31-rotating shaft, 32-gear, 33-gear ring, 4-driving motor, 5-driving mechanism, 51-first belt pulley, 52-second belt pulley, 53-belt, 6-guide hopper, 61-material guiding cloth cover, 62-elastic belt, 7-stirring cylinder, 71-discharging pipe, 72-discharging valve, 8-annular bracket, 81-slewing bearing and 9-universal wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a cement stirring device comprises a frame box 1 and a stirring cylinder 7, wherein the stirring cylinder 7 is rotatably arranged in the frame box 1, and a stirring mechanism 2 used for extending into the stirring cylinder 7 is further arranged at the upper end in the frame box 1; specifically, an annular bracket 8 is fixedly installed on a base plate of the frame box body 1, and the annular bracket 8 is in rotating fit connection with a lowest gear ring 33 through a slewing bearing 81; the discharging pipe 71 is connected with the base plate of the frame box body 1 in a rotating fit manner through a bearing, and a discharging valve 72 is arranged at the lower end of the discharging pipe 71 in a butt joint manner. Through the above structure arrangement, the stirring cylinder 7 can be stably rotatably mounted on the base plate of the frame box 1.

A driving motor 4 is fixedly arranged at the top end of the frame box body 1, and the output end of the driving motor 4 is connected with a transmission mechanism 5 for driving the stirring mechanism 2 to rotate; the output end of the driving motor 4 is also connected with a rotating mechanism 3 for driving the stirring cylinder 7 to rotate; the top end of the frame box body 1 is fixedly provided with a guide hopper 6 for feeding materials into the stirring barrel 7, the bottom of the stirring barrel 7 is provided with a discharge pipe 71, and the discharge pipe 71 penetrates out of the bottom of the frame box body 1.

The working principle of the utility model is as follows: the cement clinker is added into the mixing drum 7 through an external feeding machine in advance, and when the cement clinker is specifically used, the desulfurized gypsum can be guided into the guide hopper 6 through the external feeding machine, and the guide hopper 6 guides the desulfurized gypsum into the mixing drum 7;

when the desulfurization gypsum is introduced, the driving motor 4 synchronously drives the stirring mechanism 2 to rotate through the transmission mechanism 5, and the driving motor 4 synchronously drives the stirring cylinder 7 to rotate through the rotating mechanism 3, so that the desulfurization gypsum introduced through the guide hopper 6 can be scattered in the stirring cylinder 7 along the circumferential direction due to the fact that the stirring cylinder 7 is in a rotating state, and then the stirring mechanism 2 which synchronously rotates is matched, so that uniform mixing of the desulfurization gypsum and cement clinker can be efficiently completed. Compared with the technical scheme of the comparison document, the rotation number (rotation angle) of the stirring barrel 7 is not limited, and a worker can adjust the positive rotation number and the negative rotation number of the stirring barrel 7 according to actual stirring requirements so as to better mix the desulfurized gypsum and the cement clinker.

In this embodiment, the rotating mechanism 3 includes a rotating shaft 31, a set of gears 32 and a set of gear rings 33, the lower end of the rotating shaft 31 is in rotation fit connection with the base plate of the frame box 1, and the upper end of the rotating shaft 31 is in driving connection with the output end of the driving motor 4; the rotating shaft 31 is fixedly provided with a group of gears 32, the gear ring 33 is fixedly arranged on the circumferential outer wall of the stirring barrel 7, and the gears 32 and the gear ring 33 are in meshed connection.

The operating principle of the rotating mechanism 3 is as follows: the driving motor 4 drives the rotating shaft 31 to rotate, the rotating shaft 31 drives a group of gears 32 to rotate, and the rotating gears 32 can drive the gear ring 33 and the stirring barrel 7 to rotate.

As a specific scheme, the stirring mechanism 2 of the embodiment comprises a stirring shaft 21, a propeller blade 22 and a U-shaped scraping plate 23, wherein the upper end of the stirring shaft 21 is rotatably arranged at the top of the frame box 1; the screw blade 22 is fixedly mounted on the stirring shaft 21, the U-shaped scraping plate 23 is fixedly mounted at the lower end of the stirring shaft 21, the outer side edge of the U-shaped scraping plate 23 is attached to the inner wall of the stirring cylinder 7, and specifically, the upper end of the U-shaped scraping plate 23 is fixedly connected with the stirring shaft 21 through the connecting rod 24, so that the outer side edge of the U-shaped scraping plate can keep a stable attaching state with the inner wall of the stirring cylinder 7. During stirring, the U-shaped scraping plate 23 can turn cement materials in the circumferential direction, so that cement clinker and desulfurized gypsum are mixed, and during discharging, the possibly adhered cement materials of the stirring barrel 7 can be scraped off through the U-shaped scraping plate 23, so that the mixed cement can be guided out by the discharging pipe 71.

In this embodiment, the transmission mechanism 5 includes a first belt pulley 51, a second belt pulley 52 and a belt 53, the first belt pulley 51 is sleeved and fixed on the upper end of the rotating shaft 31, the second belt pulley 52 is sleeved and fixed on the stirring shaft 21, and the first belt pulley 51 is connected with the second belt pulley 52 through the belt 53.

In specific operation, the working principle of the stirring mechanism 2 is as follows: the driving motor 4 drives the rotating shaft 31 to rotate, the rotating shaft 31 drives the first belt pulley 51 to rotate, the first belt pulley 51 can drive the stirring shaft 21 to rotate through the second belt pulley 52, so that the rotation stirring operation of the stirring mechanism 2 is realized, the forward rotation or the reverse rotation of the stirring mechanism 2 can be controlled through the forward rotation or the reverse rotation of the driving motor 4 in the specific stirring process, the propeller blade 22 can realize the up-and-down stirring of materials, the cement clinker and the desulfurized gypsum are more uniformly mixed, and the stirring and mixing efficiency is improved.

As a further scheme, in order to ensure that the stirring process of the whole cement production process is under a closed space, the opening end of the guide hopper 6 is fixedly sleeved with a guide cloth cover 61, and an elastic band 62 is arranged at the opening of the upper end of the guide cloth cover 61. When the device is specifically operated and used, the elastic band 62 is utilized to sleeve the material guiding cloth cover 61 at the outlet end of the feeding machine, so that the feeding and stirring processes are in a closed state, the pollution to a processing production workshop caused by the diffusion of dust in the feeding and stirring processes is avoided, and the device is safe and environment-friendly to operate and use.

Obviously, in order to facilitate the moving and carrying of the entire cement stirring device, the bottom of the frame box 1 may be provided with a plurality of universal wheels 10.

In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.

Claims

1. Cement stirring device, including frame box (1) and churn (7), its characterized in that: the stirring cylinder (7) is rotatably arranged in the frame box body (1), and the stirring mechanism (2) which is used for extending into the stirring cylinder (7) is further arranged at the upper end of the inside of the frame box body (1);

a driving motor (4) is fixedly arranged at the top end of the frame box body (1), and the output end of the driving motor (4) is connected with a transmission mechanism (5) for driving the stirring mechanism (2) to rotate;

the output end of the driving motor (4) is also connected with a rotating mechanism (3) for driving the stirring cylinder (7) to rotate;

the top end of the frame box body (1) is fixedly provided with a guide hopper (6) for feeding materials into the stirring barrel (7), the bottom of the stirring barrel (7) is provided with a discharge pipe (71), and the discharge pipe (71) penetrates out of the bottom of the frame box body (1).

2. A cement mixer apparatus as claimed in claim 1, wherein: the rotating mechanism (3) comprises a rotating shaft (31), a group of gears (32) and a group of gear rings (33), the lower end of the rotating shaft (31) is in rotating fit connection with a base plate of the frame box body (1), and the upper end of the rotating shaft (31) is in driving connection with the output end of the driving motor (4);

a group of gears (32) are fixedly arranged on the rotating shaft (31), the gear ring (33) is fixedly arranged on the circumferential outer wall of the stirring barrel (7), and the gears (32) are in meshed connection with the gear ring (33).

3. A cement mixer apparatus as claimed in claim 2, wherein: the stirring mechanism (2) comprises a stirring shaft (21), a propeller blade (22) and a U-shaped scraping plate (23), and the upper end of the stirring shaft (21) is rotatably arranged at the top of the frame box body (1);

screw blade (22) is fixedly mounted on stirring shaft (21), U-shaped scraping plate (23) is fixedly mounted at the lower end of stirring shaft (21), and the outer side edge of U-shaped scraping plate (23) is attached to the inner wall of stirring cylinder (7).

4. A cement mixer according to claim 3, wherein: the transmission mechanism (5) comprises a first belt pulley (51), a second belt pulley (52) and a belt (53), wherein the first belt pulley (51) is sleeved and fixed at the upper end of the rotating shaft (31), the second belt pulley (52) is sleeved and fixed on the stirring shaft (21), and the first belt pulley (51) is connected with the second belt pulley (52) through the belt (53).

5. A cement mixer apparatus as claimed in claim 1, wherein: an annular bracket (8) is fixedly arranged on a base plate of the frame box body (1), and the annular bracket (8) is in rotary fit connection with a gear ring (33) at the lowest part through a slewing bearing (81).

6. A cement mixer apparatus as claimed in claim 5, wherein: the discharging pipe (71) is connected with the base plate of the frame box body (1) in a rotating fit manner through a bearing, and a discharging valve (72) is arranged at the lower end of the discharging pipe (71) in a butt joint manner.

7. A cement mixer apparatus as claimed in claim 1, wherein: the opening end of the guide hopper (6) is fixedly sleeved with a guide cloth sleeve (61), and an elastic band (62) is arranged at the opening of the upper end of the guide cloth sleeve (61).

8. A cement mixer according to any one of claims 1 to 7, wherein: a plurality of universal wheels (10) are arranged at the bottom of the frame box body (1).