CN220008294U - Concrete mixer - Google Patents

Abstract

The utility model relates to the technical field of building construction and discloses a concrete mixer, which comprises a frame, wherein a mixing drum is fixed on the frame, a mixing shaft is rotationally connected on the mixing drum, a hollow mixing head is arranged on the mixing shaft, a cylinder is fixed on the mixing head, a pipe sleeve is rotationally connected on the cylinder, a shaft sleeve matched with the mixing shaft is formed at the lower end of the mixing head, a plurality of hollow trapezoid mixing paddles are formed on the mixing head, a limit ring is rotationally connected on the outer wall of the mixing drum, the limit ring is in threaded connection with the mixing drum, a plurality of hollow scraping plates are arranged on the mixing head, a plurality of water outlets are arranged on the mixing head and the scraping plates, the scraping plates are abutted against the inner wall of the mixing drum, the mixing shaft is fixed on a driving device, and the problems of time and labor waste in cleaning of the mixing drum are solved by arranging the hollow mixing head and the hollow scraping plates, so that the normal use of the concrete mixer cannot be affected.

Description

Concrete mixer

Technical Field

The utility model relates to the technical field of house construction, in particular to a concrete mixer.

Background

The concrete is one of the most main civil engineering materials in the current generation, and is an artificial stone prepared by uniformly stirring, compacting, shaping, curing and hardening a cementing material, granular aggregate, water, and additives and admixtures added when necessary according to a certain proportion.

The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is larger and larger, and meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like, so that the concrete has wide application range, and is not only used in various civil engineering, namely shipbuilding industry, mechanical industry, ocean development, geothermal engineering and the like, but also an important material.

The existing concrete mixer generally comprises a support, wherein a mixing drum is arranged on the support, a mixing shaft is rotationally connected to the mixing drum, a mixing paddle is fixed to the mixing shaft, and concrete is mixed through the mixing paddle.

In the above-mentioned scheme, concrete mixer is after finishing working, and concrete flows out from the discharge gate of agitator bottom, but because concrete has certain viscosity, consequently there is a large amount of concrete adhesion at the agitator inner wall, in the clearance in-process, need wash with a large amount of water, need strike off the attached concrete of agitator inner wall simultaneously, result in the clearance work time and energy of agitator, and when concrete is attached to the agitator inner wall for a long time, can lead to the concrete to solidify on the agitator inner wall, influence concrete mixer's normal use, and the concrete of solidification is extremely difficult to clear up.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a concrete mixer, and the problems that the cleaning work of a mixing drum is time-consuming and labor-consuming are solved by arranging a hollow mixing head and a hollow scraping plate and arranging a plurality of water outlets on the mixing head and the scraping plate, so that concrete is prevented from being solidified on the inner wall of the mixing drum, and the normal use of the concrete mixer is not affected.

The scheme for solving the technical problems is as follows:

the utility model provides a concrete mixer, which comprises a frame, be fixed with the agitator in the frame, it is connected with the (mixing) shaft to rotate on the agitator, be equipped with the stirring head of hollow setting on the (mixing) shaft, be fixed with the drum on the stirring head, it is connected with the pipe box to rotate on the drum, the lower extreme shaping of stirring head has with (mixing) shaft complex axle sleeve, the shaping has the trapezoidal stirring rake of a plurality of hollow settings on the stirring head, the outer wall upper end rotation of agitator is connected with the spacing ring, the spacing ring is fixed on the agitator, be equipped with the scraper blade of a plurality of hollow settings on the stirring head, the shaping has a plurality of apopores on stirring head and the scraper blade, the scraper blade is the circular arc, the scraper blade supports to lean on the agitator inner wall, the (mixing) shaft is fixed on drive arrangement.

When the concrete attached to the inner wall of the stirring barrel needs to be cleaned, firstly, a water pipe is sleeved in a limiting ring, the extending end of the water pipe is inserted in the pipe sleeve, so that water flow is sprayed out along a water outlet, then, a driving device is started, the driving device drives a stirring shaft to rotate, the stirring shaft rotates to drive a stirring head to rotate, and the stirring head rotates to drive a plurality of trapezoidal stirring paddles and a plurality of scraping plates to rotate, so that the concrete attached to the inner wall of the stirring barrel and the stirring shaft is scraped, the water consumption is reduced, and the utilization rate of water resources is improved;

through setting up hollow stirring head and hollow scraper blade, be equipped with a plurality of apopores on through stirring head and the scraper blade, solved the problem that the agitator clearance is wasted time and energy to prevent that concrete from solidifying on the agitator inner wall, thereby can not influence the normal use of concrete mixer.

The utility model is further provided with: the driving device comprises a first motor fixed on the frame, a first belt pulley is fixed on a first output shaft of the first motor, a second belt pulley is fixed on one end of the stirring shaft penetrating through the stirring barrel, the shaft sleeve is fixed on the other end of the stirring shaft, the stirring head is located above the bottom surface of the stirring barrel, the scraping plates are fixed on the stirring head, the scraping plates are staggered, and the first belt pulley and the second belt pulley are connected through a belt.

Through the technical scheme, when concrete needs to be manufactured, the first motor is started firstly, then various needed raw materials are poured into the stirring barrel sequentially, the first belt pulley is driven to rotate through rotation of the first output shaft, the second belt pulley is driven to rotate through rotation of the first belt pulley, the second belt pulley is driven to rotate the stirring shaft, the stirring shaft is driven to rotate, the stirring head is driven to rotate, and the stirring head is driven to rotate to drive a plurality of scraping plates, so that various raw materials are evenly mixed and concrete is manufactured.

The utility model is further provided with: the stirring barrel is provided with two screw rods, one end of each screw rod is rotationally connected to the first supporting plate, the two first supporting plates are fixed at two ends of the stirring barrel, the other end of each screw rod is rotationally connected to the n-shaped plate, the n-shaped plate is fixed to the two first supporting plates, the upper end of each screw rod is respectively fixed with a first gear, the n-shaped plate is provided with two second supporting plates, the two second supporting plates are rotationally connected with the same connecting shaft, two ends of the connecting shaft are respectively fixed with a second gear, the first gears and the second gears are meshed with each other, the outer wall of the stirring barrel is fixed with a second motor, a second output shaft of the second motor is fixedly connected with one end of one screw rod, which is far away from the first gear, of each screw rod, a sliding block is in threaded connection, the two sliding blocks are fixed with the same barrel cover, and the barrel cover 22 is arranged in a round shape and coaxial with the stirring barrel 2.

According to the technical scheme, when concrete needs to be manufactured, the second motor is started, the second output shaft of the second motor rotates to drive one screw rod to rotate, one screw rod rotates to drive the connecting shaft to rotate, and the connecting shaft rotates to drive the other screw rod to rotate, so that the barrel cover is controlled to move downwards and abut against the upper end of the stirring barrel, the concrete is prevented from splashing in the stirring process, the water spray is prevented from splashing when the concrete attached to the inner wall of the stirring barrel and the stirring shaft is cleaned, staff is prevented from touching the stirring shaft by mistake in the stirring process, and the safety of the concrete mixer is improved.

The utility model is further provided with: the upper end of the barrel cover is provided with a first through hole which is arranged coaxially with the cylinder.

Through the technical scheme, when the first motor needs to be started to work, the second motor is controlled to rotate, so that the barrel cover moves downwards, the barrel is inserted into the fourth hole, shaking is prevented when the first motor works, and stability in the stirring process is improved.

The utility model is further provided with: the bottom surface of the stirring barrel is provided with a discharge hole, a gate valve is fixed on the end surface of the discharge hole, and a discharge pipe is fixed on the gate valve.

Through above-mentioned technical scheme, when needing to make the concrete, close the gate valve to make the discharge opening on the agitator totally sealed, thereby can add water first, then add the raw materials of preparation concrete again after starting first motor, prevent that the concrete adhesion from leading to stirring incompletely in the bottom, when needing to discharge the concrete, can effectually control the speed of discharging of concrete through the gate valve.

The utility model is further provided with: the end face of the scraping plate, which is abutted against the inner wall of the stirring barrel, is arc-shaped.

Through the technical scheme, the resistance of the scraping plate in rotation is reduced, and the scraping plate can play a role in stirring concrete.

The utility model is further provided with: an inclined plate is fixed on the bottom surface of the stirring barrel, and a discharge hole is formed in the lowest end of the inclined plate.

Through above-mentioned technical scheme, when the concrete is being discharged to needs, can be better emit the concrete, when the agitator of needs clearance, through being equipped with the swash plate, can be quick discharge the sewage in the agitator, and can prevent to clear up the interior water storage of agitator.

The utility model is further provided with: and a second through hole is formed on the barrel cover, and transparent organic glass is fixed on the end face of the second through hole.

Through the technical scheme, when the concrete attached to the inner wall of the stirring barrel and the stirring shaft is cleaned, the cleaning condition can be effectively observed through the organic glass, so that when a worker needs to observe the cleaning condition, the lifting of the barrel cover needs to be controlled for observation, the concrete and the water spray in the stirring barrel are easy to splash out, the worker is prevented from being injured, and the safety of the utility model is further improved.

The beneficial effects of the utility model are as follows:

compared with the prior art, through setting up hollow stirring head and hollow scraper blade, be equipped with a plurality of apopores on through stirring head and the scraper blade, solved the problem that the agitator clearance is wasted time and energy to prevent that concrete from solidifying on the agitator inner wall, thereby can not influence concrete mixer's normal use.

By arranging the liftable barrel cover, concrete is prevented from splashing in the stirring process, and water is prevented from splashing when the concrete adhered to the inner wall of the stirring barrel is cleaned, and meanwhile, staff is prevented from touching the stirring shaft by mistake in the stirring process, so that the safety of the utility model is improved.

Through setting up transparent organic glass to prevent when the clearance is adhered to at agitator inner wall, the epaxial concrete in-process of (mixing) tank, the staff need observe the clearance condition, need control the lift of bung and observe, make concrete and the splash in the agitator splash easily, prevent that the staff from receiving the injury, further improved the security of this utility model.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic three-dimensional structure of the present utility model;

FIG. 3 is a top view of the stirring head;

FIG. 4 is a front view of a stirring head;

fig. 5 is an enlarged view of fig. 2 about a;

fig. 6 is a cross-sectional view of fig. 4 with respect to B-B.

Reference numerals: 1. a frame; 2. a stirring barrel; 201. a discharge hole; 3. a stirring shaft; 4. A stirring head; 401. a shaft sleeve; 402. trapezoidal stirring paddles; 5. a cylinder; 6. a pipe sleeve; 7. a limiting ring; 8. a scraper; 9. a water outlet hole; 10. a first motor; 1001. a first output shaft; 11. a first pulley; 12. a second pulley; 13. a belt; 14. a screw rod; 15. a pi-shaped plate; 16. a first gear; 17. a second support plate; 18. a connecting shaft; 19. a second gear; 20. a second motor; 2001. a second output shaft; 21. a slide block; 22. a barrel cover; 2201. a first through hole; 2202. a second through hole; 23. a gate valve; 24. a discharge pipe; 25. a sloping plate; 26. a first support plate.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The present utility model is described below with reference to fig. 1 to 6.

The utility model provides a concrete mixer, which comprises a frame 1, be fixed with agitator 2 in the frame 1, the last rotation of agitator 2 is connected with (mixing) shaft 3, be equipped with hollow stirring head 4 that sets up on the (mixing) shaft 3, be fixed with drum 5 on the stirring head 4, the last rotation of drum 5 is connected with pipe box 6, the lower extreme shaping of stirring head 4 has with (mixing) shaft 3 complex axle sleeve 401, the shaping has a plurality of hollow trapezoidal stirring rake 402 that set up on the stirring head 4, the outer wall upper end rotation of agitator 2 is connected with spacing ring 7, spacing ring 7 is fixed on agitator 2, be equipped with a plurality of hollow scraper blades 8 that set up on the stirring head 4, the shaping has a plurality of apopores 9 on stirring head 4 and the scraper blade 8, scraper blade 8 is the circular arc, scraper blade 8 supports and leans on the agitator 2 inner wall, the (mixing) shaft 3 is fixed on drive arrangement.

When the concrete adhered to the inner wall of the stirring barrel 2 needs to be cleaned, firstly, a water pipe is sleeved in the limiting ring 7, the extending end of the water pipe is inserted and sleeved on the pipe sleeve 6, so that water flows are sprayed out along the water outlet 9, then, a driving device is started, the driving device drives the stirring shaft 3 to rotate, the stirring shaft 3 rotates to drive the stirring head 4 to rotate, and the stirring head 4 rotates to drive the trapezoid stirring paddles 402 and the scraping plates 8 to rotate, so that the concrete adhered to the inner wall of the stirring barrel 2 and the stirring shaft 3 is scraped, meanwhile, the water consumption is reduced, and the utilization rate of water resources is improved;

through setting up hollow stirring head 4 and hollow scraper blade 8, be equipped with a plurality of apopores 9 on through stirring head 4 and scraper blade 8, solved the problem that agitator 2 clearance was wasted time and energy to prevent that concrete from solidifying on agitator 2 inner wall, thereby can not influence the normal use of concrete mixer.

The driving device comprises a first motor 10 fixed on the frame 1, a first belt pulley 11 is fixed on a first output shaft 1001 of the first motor 10, a second belt pulley 12 is fixed on one end of the stirring shaft 3 penetrating through the stirring barrel 2, a shaft sleeve 401 is fixed on the other end of the stirring shaft 3, the stirring head 4 is located above the bottom surface of the stirring barrel 2, a plurality of scraping plates 8 are fixed on the stirring head 4, the scraping plates 8 are staggered, and the first belt pulley 11 and the second belt pulley 12 are connected through a belt 13.

When concrete needs to be manufactured, the first motor is started firstly, then various needed raw materials are poured into the stirring barrel 2 sequentially, the first belt pulley 11 is driven to rotate through rotation of the first output shaft 1001, the second belt pulley 12 is driven to rotate through rotation of the first belt pulley 11 through rotation of the belt 13, the stirring shaft 3 is driven to rotate through rotation of the second belt pulley 12, the stirring head 4 is driven to rotate through rotation of the stirring shaft 3, the stirring head 4 drives the scraping plates 8 to rotate, and accordingly various raw materials are evenly mixed and concrete is manufactured.

The stirring barrel is provided with two screw rods 14, one end of each screw rod 14 is rotationally connected to a first supporting plate 26, two first supporting plates 26 are fixed at two ends of the stirring barrel 2, the other end of each screw rod 14 is rotationally connected to a reverse U-shaped plate 15, the reverse U-shaped plate 15 is fixed on the two first supporting plates 26, the upper end of each screw rod 14 is respectively fixed with a first gear 16, two second supporting plates 17 are formed on the reverse U-shaped plate 15, the two second supporting plates 17 are rotationally connected with the same connecting shaft 18, two ends of the connecting shaft 18 are respectively fixed with a second gear 19, the first gear 16 and the second gear 19 are meshed with each other, a second motor 20 is fixed on the outer wall of the stirring barrel 2, a second output shaft 2001 of the second motor 20 is fixedly connected with one end, far away from the first gear 16, of one screw rod 14, a sliding block 21 is screwed on each screw rod 14, the same barrel cover 22 is fixed on the two sliding blocks 21, and the barrel cover 22 is in a round shape, and the barrel cover 22 and the stirring barrel 2 are coaxially arranged.

When concrete needs to be manufactured, the second motor 20 is started, the second output shaft 2001 of the second motor 20 rotates to drive one screw rod 14 to rotate, one screw rod 14 rotates to drive the connecting shaft 18 to rotate, and the connecting shaft 18 rotates to drive the other screw rod 14 to rotate, so that the barrel cover 22 is controlled to move downwards and abut against the upper end of the stirring barrel 2, the concrete is prevented from splashing in the stirring process, the water spray is prevented from splashing when the concrete attached to the inner wall of the stirring barrel 2 and the stirring shaft 3 is cleaned, and meanwhile, workers are prevented from touching the stirring shaft 3 by mistake in the stirring process, so that the safety of the concrete mixer is improved.

The upper end of the barrel cover 22 is formed with a first through hole 2201, and the first through hole 2201 is arranged coaxially with the cylinder 5.

When the first motor 10 needs to be started to work, the second motor 20 is controlled to rotate, so that the barrel cover 22 moves downwards, the barrel 5 is inserted into the first through hole 2201, shaking is prevented when the first motor 10 works, and stability in the stirring process is improved.

A discharge hole 201 is formed in the bottom surface of the stirring barrel 2, a gate valve 23 is fixed on the end surface of the discharge hole 201, and a discharge pipe 24 is fixed on the gate valve 23.

When the concrete needs to be manufactured, the gate valve 23 is closed, so that the first discharging hole 201 on the stirring barrel 2 is completely sealed, water can be added first, then the raw material for manufacturing the concrete is added after the first motor 10 is started, the concrete is prevented from being adhered to the bottom, the stirring is incomplete, and when the concrete needs to be discharged, the discharging speed of the concrete can be effectively controlled through the gate valve 23.

The end surface of the scraping plate 8 abutting against the inner wall of the stirring barrel 2 is arc-shaped.

The resistance of the blade 8 in rotation is reduced, and the blade 8 can play a role in stirring concrete.

An inclined plate 25 is fixed on the bottom surface of the stirring barrel 2, and a discharge hole is arranged at the lowest end of the inclined plate 25.

When the concrete needs to be discharged, the concrete can be better discharged, when the stirring barrel 2 needs to be cleaned, the inclined plate 25 is arranged, so that sewage in the stirring barrel 2 can be rapidly discharged, and water in the cleaned stirring barrel 2 can be prevented from being stored.

A second through hole 2202 is formed on the barrel cover 22, and transparent organic glass is fixed on the end surface of the second through hole 2202.

When the concrete adhered to the inner wall of the stirring barrel 2 and the stirring shaft 3 is cleaned, the cleaning condition can be effectively observed through the organic glass, so that when a worker needs to observe the cleaning condition, the lifting of the barrel cover 22 needs to be controlled for observation, the concrete and the water spray in the stirring barrel 2 are easy to splash out, the worker is prevented from being injured, and the safety of the utility model is further improved.

Working principle: when concrete manufacturing is started, gate valve 23 is closed, then water is added, first motor 10 is started, various needed raw materials are poured into stirring barrel 2 in sequence, first belt pulley 11 is driven to rotate through rotation of first output shaft 1001, first belt pulley 11 is driven to rotate through belt 13 to drive second belt pulley 12 to rotate, second belt pulley 12 is driven to rotate stirring shaft 3 to rotate stirring head 4 is driven to rotate, stirring head 4 drives a plurality of trapezoid stirring paddles 402 and a plurality of scraping plates 8 to rotate, various raw materials are stirred, second motor 20 is started, second output shaft 2001 of second motor 20 drives one screw rod 14 to rotate, one screw rod 14 rotates to drive connecting shaft 18 to rotate, connecting shaft 18 rotates to drive the other screw rod 14 to control barrel cover 22 to move downwards and abut against the upper end of stirring barrel 2, second motor 20 is closed, accordingly, concrete is evenly mixed and manufactured, after stirring is completed, first motor 10 is closed, second motor 20 is controlled to rotate, so that 22 is separated from stirring barrel 2, and gate valve 23 is opened; when the concrete mixer is cleaned, the second motor 20 is controlled to rotate, the barrel cover 22 is controlled to move downwards and lean against the upper end of the mixing barrel 2, the second motor 20 is closed again, then the water pipe is sleeved in the limiting ring 7, the extending end of the water pipe is sleeved on the pipe sleeve 6, water flow is sprayed out along the water outlet 9, the first motor 10 is started again, so that concrete attached to the inner wall of the mixing barrel 2 and the mixing shaft 3 is scraped, cleaning conditions can be observed through transparent organic glass, after cleaning is completed, the first motor 10 is closed, the second motor 20 is controlled to rotate reversely, the barrel cover 22 is separated from the mixing barrel 2, and the second motor 20 is closed again, so that the concrete mixer is naturally air-dried.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. A concrete mixer comprising a frame (1), characterized in that: be fixed with agitator (2) on frame (1), rotate on agitator (2) and be connected with (3) stirring axle, be equipped with hollow stirring head (4) that set up on (3) stirring axle, be fixed with drum (5) on (4) stirring head, it is connected with pipe box (6) to rotate on (5) drum, the lower extreme shaping of stirring head (4) has with (3) complex axle sleeve (401) stirring axle, the shaping has trapezoidal stirring rake (402) of a plurality of hollow settings on (4) stirring head, the outer wall upper end rotation of agitator (2) is connected with spacing ring (7), spacing ring (7) are fixed on agitator (2), be equipped with scraper blade (8) of a plurality of hollow settings on (4) stirring head and scraper blade (8), scraper blade (8) are the circular arc, scraper blade (8) are supported and are leaned on agitator (2) inner wall, stirring axle (3) are fixed on drive arrangement.

2. A concrete mixer according to claim 1, wherein: the driving device comprises a first motor (10) fixed on the frame (1), a first belt pulley (11) is fixed on a first output shaft (1001) of the first motor (10), a second belt pulley (12) is fixed on one end of the stirring shaft (3) penetrating through the stirring barrel (2), a shaft sleeve (401) is fixed on the other end of the stirring shaft (3), the stirring head (4) is located above the bottom surface of the stirring barrel (2), a plurality of scraping plates (8) are fixed on the stirring head (4), the scraping plates (8) are staggered, and the first belt pulley (11) and the second belt pulley (12) of the scraping plates (8) are connected through a belt (13).

3. A concrete mixer according to claim 1, wherein: two screw rods (14) are arranged on the stirring barrel, one end of each screw rod (14) is rotationally connected to a first supporting plate (26), two first supporting plates (26) are fixed at two ends of the stirring barrel (2), the other end of each screw rod (14) is rotationally connected to a reverse U-shaped plate (15), the reverse U-shaped plate (15) is fixed to the two first supporting plates (26), a first gear (16) is fixed to the upper end of each screw rod (14), two second supporting plates (17) are formed on the reverse U-shaped plate (15), the same connecting shaft (18) is rotationally connected to the two second supporting plates (17), two second gears (19) are respectively fixed at two ends of the connecting shaft (18), the first gears (16) and the second gears (19) are meshed with each other, a second motor (20) is fixed to the outer wall of the stirring barrel (2), one end, far away from the first gears (16), of one screw rod (14) is fixedly connected to one end of each screw rod (14), and the two screw rods (21) are coaxially connected to a barrel cover (22), and the two barrel covers (22) are coaxially arranged on the barrel covers (21).

4. A concrete mixer according to claim 3, wherein: the upper end of the barrel cover (22) is provided with a first through hole (2201), and the first through hole (2201) and the barrel (5) are coaxially arranged.

5. A concrete mixer according to claim 2, wherein: the bottom surface of the stirring barrel (2) is provided with a discharge hole (201), a gate valve (23) is fixed on the end surface of the discharge hole (201), and a discharge pipe (24) is fixed on the gate valve (23).

6. A concrete mixer according to claim 1, wherein: the end surface of the scraping plate (8) which is abutted against the inner wall of the stirring barrel (2) is arc-shaped.

7. A concrete mixer according to claim 1, wherein: an inclined plate (25) is fixed on the bottom surface of the stirring barrel (2), and a discharging hole (201) is arranged at the lowest end of the inclined plate (25).

8. A concrete mixer according to claim 3, wherein: a second through hole (2202) is formed in the barrel cover (22), and transparent organic glass is fixed on the end face of the second through hole (2202).