Concrete mixer with cleaning device

Abstract

The utility model provides a concrete mixer with a cleaning device, which comprises a mixing tank, a mixing shaft and a lining plate, and is characterized in that the cleaning device is arranged in the mixing tank and comprises a water delivery pipe, a booster pump and a water storage cavity arranged on the mixing shaft and / or the inner wall of the mixing tank, the outer wall of the water storage cavity is provided with a convex structure, the convex structure is communicated with the water storage cavity, the outer end of the convex structure is provided with a water outlet hole, the water conveying pipe is communicated with the water storage cavity, and the water conveying pipe is connected with a booster pump outside the stirring barrel; the lining plate is connected to the stirring shaft and comprises a stirring blade plate covering the inner wall of the stirring barrel and a bottom plate at the bottom of the stirring barrel, and scrubbing pieces are arranged on the side, facing the inner wall and the bottom of the stirring barrel, of the lining plate. The stirring device is simple and reasonable in design and convenient to operate, the water storage cavity is arranged at the position higher than the stirring operation position in the stirring barrel, and the blocking problem of the water outlet hole can be effectively solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete mixers, and specifically relates to a concrete mixer with a cleaning device. Background Art

[0002] A concrete mixer is used to mix raw materials into a concrete mixture. It generally includes a mixing drum, a feeding device, a discharging device, and a drive motor. During use, the raw materials are fed into the mixing drum through the feeding device or manually. The drive motor drives the stirring shaft inside the mixing drum to mix the materials. After the operation is completed, the mixed product is discharged through the discharging device. Existing concrete mixers are generally integrated with a relatively simple structure. After mixing, the interior of the mixer generally needs to be manually flushed and cleaned using a separate flushing device. This not only wastes labor costs and is prone to accidents, but also easily causes residual mixed materials to dry and solidify on the inner wall of the mixing drum or in the feeding device without being flushed, reducing the mixing effect.

[0003] Therefore, a concrete mixer with a self-cleaning device is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a concrete mixer with a self-cleaning device to solve the problems of residual raw materials in the concrete mixer drying up and solidifying without being flushed after the operation is completed, reducing the mixing effect, and manual cleaning easily causing safety accidents, thereby improving the efficiency and practicality of the machine.

[0005] The technical solution adopted by the utility model is: a concrete mixer with a cleaning device, comprising a mixing barrel, a mixing shaft and a lining plate, characterized in that a cleaning device is provided in the mixing barrel, the cleaning device comprising a water pipe, a booster pump and a water storage chamber arranged on the mixing shaft and / or on the inner wall of the mixing barrel, a protrusion structure is provided on the outer wall of the water storage chamber, the protrusion structure is communicated with the water storage chamber and a water outlet hole is opened at the outer end, the water pipe is communicated with the water storage chamber, and the water pipe is connected to the booster pump outside the mixing barrel; the lining plate is connected to the mixing shaft, comprises a mixing blade covering the inner wall of the mixing barrel and a bottom plate at the bottom of the mixing barrel, and the lining plate is provided with a scrubbing member on the side facing the inner wall and bottom of the mixing barrel.

[0006] Furthermore, the water storage chamber on the stirring shaft is a hollow portion arranged at the upper end of the stirring shaft, the top end of the water storage chamber is open, and is sealed and sleeved with the water pipe; the water storage chamber on the inner wall of the stirring barrel is a ring-shaped platform protruding inwardly arranged at the upper end of the inner wall of the stirring barrel, and the top end of the ring-shaped platform is provided with a water pipe interface, which is sealed and sleeved with the water pipe.

[0007] Further, the convex structures of the water storage chambers on the stirring shaft are several and are arranged symmetrically and evenly with the stirring shaft as the center; the convex structures of the water storage chambers on the inner wall of the stirring barrel are several and are arranged in a uniform circular pattern or an array pattern along the side wall and / or the bottom wall of the annular platform.

[0008] Further, the convex structure is a conical structure with an inclined downward opening.

[0009] Further, stirring blades are provided on the stirring shaft, and the convex structures are arranged above the stirring blades.

[0010] Further, the water storage chambers provided with the convex structures are integrally cast with the stirring shaft or the stirring barrel.

[0011] Further, the lining plate is a U-shaped integrated structure in cross section, and an installation hole adapted to the stirring shaft is provided in the middle of the bottom plate.

[0012] Further, the scrubbing member is a brush or a scraper.

[0013] In the concrete mixer with a cleaning device of the present utility model, the water storage chamber is connected to the water delivery pipe to flush the raw materials remaining on the inner wall of the stirring barrel with water. The conical convex structure can cooperate with the booster pump to ensure the direction and pressure of the water flow in the stirring barrel, and the water storage chamber is arranged at a position higher than the stirring operation in the stirring barrel, which can effectively reduce the problem of blockage of the water outlet holes; the lining plate is fixed on the stirring shaft and can rotate with the stirring shaft under the action of the driving motor, and a scrubbing member is provided on the back to abut against the inner wall and the bottom of the stirring barrel, which can cooperate with the water storage chamber to scrape the materials remaining on the inner wall of the concrete mixer during the flowing water flushing, improving the cleaning effect. The structure of this case is simple, easy to operate, effectively solves the problem that it is difficult to clean the concrete mixer after the operation is completed, liberates manpower, reduces costs, and improves labor efficiency and the service life of the machine. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the embodiments of the present utility model will be briefly introduced below. Obviously, the following described drawings are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0015] Figure 1 It is a cross-sectional view of the overall structure of a concrete mixer with a cleaning device of the present utility model.

[0016] Figure 2 It is a schematic structural diagram of the stirring shaft of a concrete mixer with a cleaning device of the present utility model.

[0017] Figure 3 It is a schematic diagram of the connection relationship between the stirring shaft and the lining plate of a concrete mixer with a cleaning device according to the present utility model.

[0018] Reference numerals in the drawings:

[0019] 1. Stirring barrel; 2. Stirring shaft; 3. Lining plate; 4. Water storage cavity; 5. Convex structure; 6. Water pipe interface; 7. Stirring blade; 8. Scrubbing member. Specific embodiments

[0020] The embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

[0021] The following uses specific examples to illustrate the embodiments of the present disclosure. Those skilled in the art can easily understand other advantages and effects of the present disclosure from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present disclosure without creative efforts belong to the scope of protection of the present disclosure.

[0022] Embodiment 1

[0023] As Figures 1-3 shown, a cleaning device is provided in the stirring barrel 1 of a concrete mixer with a cleaning device in this case, which specifically includes a water pipe, a booster pump, and a water storage cavity 4 provided at the upper end of the inner wall of the stirring barrel 1. A conical convex structure 5 with an opening inclined downward towards the stirring shaft 2 and a conical convex structure 5 with an opening inclined downward towards the inner wall of the stirring barrel 1 are provided on the outer wall of the water storage cavity 4. The conical convex structure 5 communicates with the water storage cavity 4. The water pipe is hermetically sleeved at the upper end water pipe interface 6 of the water storage cavity 4. The lining plate 3 in the stirring barrel 1 is fixedly connected to the stirring shaft 2, including a stirring blade plate covering the inner wall of the stirring barrel 1 and a bottom plate at the bottom of the stirring barrel 1. A scrubbing member 8 is provided on one side of the lining plate 3 facing the inner wall and the bottom of the stirring barrel 1.

[0024] In the above, this device adds a water storage cavity 4 on the inner wall of the stirring barrel 1, and uses the water outlet of the inclined downward conical structure to pressurize and flush the inner wall of the stirring barrel 1, the stirring shaft 2, and the stirring blades 7 on the stirring shaft 2. Appropriate amount of water can also be added to the materials being stirred according to actual needs. The structure is simple and the operation is convenient. Moreover, the water storage cavity 4 is provided at the upper end of the inner wall of the stirring barrel 1, higher than the actual stirring operation part, which can effectively reduce the problem of blockage of the water outlet holes.

[0025] The lining plate 3 is installed on the inner wall and bottom of the mixing barrel 1, including a mixing blade plate and a bottom plate. The mixing blade plate covers the inner wall of the mixing barrel 1, and the bottom plate is installed at the bottom of the mixing barrel 1. The two protect the inner wall and bottom of the mixing barrel 1, reducing the contact between the concrete and the inner wall and bottom, thereby reducing mutual friction and wear. In this case, the lining plate 3 is fixedly connected to the mixing shaft 2. When the driving motor drives the mixing shaft 2, the lining plate 3 can rotate together, so that the scrubbing part 8 on the back of the lining plate 3 that abuts against the inner wall and bottom of the mixing barrel 1 can scrape the residual materials inside, achieving a better cleaning effect. When the lining plate 3 is worn or cracked during use, it can be replaced in time, greatly improving the convenience of maintenance and repair of the concrete mixer, reducing the maintenance time and cost, and extending the service life of the whole concrete mixer.

[0026] Specifically, the water storage cavity 4 can be set as an annular platform protruding from the upper end of the inner wall of the mixing barrel 1 towards the mixing shaft 2. The bottom of the annular platform can be perpendicular to the inner wall of the mixing barrel 1, or in a gradually downward inclined shape from the side of the water storage cavity 4 close to the mixing shaft 2 towards the inner wall of the mixing barrel 1, so as to avoid forming hidden corners on the inner wall of the mixing barrel 1, which is not conducive to flushing the residual raw materials.

[0027] At the top of the water storage cavity 4, there are two symmetrically arranged openings, and both openings are hermetically sleeved and connected to the water delivery pipe. Water flows through the water delivery pipe into the water storage cavity 4 and flushes the inside of the mixing barrel 1 through the openings inclined downward on the conical convex structure 5. The number of the above-mentioned openings can also be set to multiple according to needs to cooperate with the booster pump to increase the water pressure.

[0028] In this case, there are several conical water outlets of the convex structure 5, that is, the conical water outlets, and they are arranged in a matrix array along the side wall and bottom wall of the annular platform. Among them, the water outlets of the conical structures on the side wall face the direction of the mixing shaft 2 and can flush the mixing shaft 2, the mixing blades 7 and the bottom of the mixing barrel 1; the water outlets of the conical structures on the bottom wall face the inner wall of the mixing barrel 1 and can flush the inner wall of the mixing barrel 1.

[0029] On one side of the bottom of the mixing barrel 1, there is a discharge port for conveying materials after the mixing operation is completed and discharging waste water after the cleaning operation is completed.

[0030] In addition, in the production process of this case, the water storage cavity 4 with the conical convex structure 5 is integrally cast with the mixing barrel 1, reducing the production cost, making the structure more firm, and effectively avoiding the flanging burrs that may be brought during the production and manufacturing process, which is more conducive to cleaning.

[0031] In actual operation, after the stirring operation is completed and the mixed material is transported, the machine is restarted, and at the same time, the booster pump is turned on. The stirring shaft 2 drives the lining plate 3 to rotate together, and the water flow sprays out from the conical water outlet, flushing the inner wall of the stirring barrel 1 and the stirring shaft 2. At the same time, the scrubbing parts 8 (such as brushes, scrapers, etc.) on the back of the lining plate 3 scrape the inner wall and bottom of the stirring barrel 1, further enhancing the cleaning effect.

[0032] Embodiment 2:

[0033] As Figures 1-3 shown, a concrete mixer with a cleaning device in this case is provided with a cleaning device. The cleaning device includes a water delivery pipe, a booster pump, and a water storage cavity 4 provided at the upper end of the stirring shaft 2 and on the inner wall of the stirring barrel 1. The outer wall of the water storage cavity 4 is provided with a conical convex structure 5 with an opening inclined downward towards the stirring shaft 2. The conical convex structure 5 is communicated with the water storage cavity 4. The water delivery pipe is hermetically sleeved at the upper end water delivery pipe interface 6 of the water storage cavity 4. The lining plate 3 in the stirring barrel 1 is fixedly connected to the stirring shaft 2, including a stirring blade plate covering the inner wall of the stirring barrel 1 and a bottom plate at the bottom of the stirring barrel 1. The side of the lining plate 3 facing the inner wall and bottom of the stirring barrel 1 is provided with a scrubbing part 8.

[0034] In this embodiment, water storage cavities 4 are provided both on the inner wall of the stirring barrel 1 and on the stirring shaft 2. The structure, connection relationship, working principle, etc. of the water storage cavity 4 on the inner wall of the stirring barrel 1 are as described in Embodiment 1. Similarly, the structure, connection relationship, working principle, etc. of the lining plate 3 are also the same as those in Embodiment 1.

[0035] In this case, the additional water storage cavity 4 on the stirring shaft 2 is provided at the upper end of the stirring shaft 2 and is a hollow part. It also adopts a water outlet hole with an inclined downward conical structure. Cooperating with the water storage cavity 4 on the inner wall of the stirring barrel 1 can strengthen the flushing of the inner wall of the stirring barrel 1. Similarly, an appropriate amount of water can be added to the material being stirred as needed. The water storage cavity 4 is specifically provided in the upper part of the stirring shaft 2, higher than the actual stirring operation part, which can effectively reduce the problem of blockage of the water outlet hole.

[0036] The above-mentioned hollow part can be a section dug out at the upper end of the stirring shaft 2, or can be set as a convex platform protruding from the periphery of the stirring shaft 2 to increase the water flow and water pressure. The top of the hollow part is open and is hermetically sleeved with the water delivery pipe.

[0037] There are several conical convex structures 5, which are evenly and symmetrically arranged with the stirring shaft 2 as the center. The convex structure 5 in this case is provided above the stirring blade 7. The water storage cavity 4 in this case is also integrally cast with the stirring shaft 2.

[0038] One side of the bottom of the stirring barrel 1 is provided with a discharge port for the transportation of materials after the stirring operation is completed and the discharge of waste water after the cleaning operation is completed.

[0039] During actual operation, after the stirring operation is completed and the mixed material is conveyed, restart the machine. At the same time, turn on the booster pump. The stirring shaft 2 drives the water storage cavity 4 and the lining plate 3 provided thereon to rotate together. Water flows out from the conical water outlet and flushes the inner wall of the stirring barrel 1 and the stirring shaft 2. At the same time, the scrubbing parts 8 (such as brushes, scrapers, etc.) on the back of the lining plate 3 scrape the inner wall and the bottom of the stirring barrel 1, further enhancing the cleaning effect.

[0040] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "middle", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0041] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. The meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Any equivalent changes, improvements and deliberately deteriorated behaviors based on the technical solution of the present invention shall fall within the protection scope of the present invention.

Claims

1. A concrete mixer with a cleaning device, comprising a mixing barrel (1), a mixing shaft (2) and a lining plate (3), characterized in that, A cleaning device is provided inside the mixing barrel (1). The cleaning device includes a water delivery pipe, a booster pump, and a water storage cavity (4) disposed on the mixing shaft (2) and / or the inner wall of the mixing barrel (1). A convex structure (5) is provided on the outer wall of the water storage cavity (4). The convex structure (5) communicates with the water storage cavity (4) and has a water outlet hole at the outer end. The water delivery pipe communicates with the water storage cavity (4), and the water delivery pipe is connected to the booster pump outside the mixing barrel (1). The lining plate (3) is connected to the mixing shaft (2) and includes a mixing blade plate covering the inner wall of the mixing barrel (1) and a bottom plate covering the bottom of the mixing barrel (1). A scrubbing member (8) is provided on one side of the lining plate (3) facing the inner wall and the bottom of the mixing barrel (1).

2. The concrete mixer with a cleaning device according to claim 1, wherein, The water storage cavity (4) on the mixing shaft (2) is a hollow part provided at the upper end of the mixing shaft (2). A water delivery pipe interface (6) is provided at the top of the water storage cavity (4) and is hermetically sleeved with the water delivery pipe. The water storage cavity (4) on the inner wall of the mixing barrel (1) is a circular ring protruding inward provided at the upper end of the inner wall of the mixing barrel (1). A water delivery pipe interface (6) is provided at the top of the circular ring and is hermetically sleeved with the water delivery pipe.

3. The concrete mixer with a cleaning device according to claim 2, characterized in that, There are several convex structures (5) of the water storage cavity (4) on the mixing shaft (2), which are evenly and symmetrically arranged with the mixing shaft (2) as the center; there are several convex structures (5) of the water storage cavity (4) on the inner wall of the mixing barrel (1), which are arranged in a uniform circular pattern or an array pattern along the side wall and / or the bottom wall of the circular ring.

4. A concrete mixer with a cleaning device according to claim 3, characterized in that, The convex structure (5) is a conical structure with an inclined downward opening.

5. A concrete mixer with a cleaning device according to claim 1, characterized in that, Mixing blades (7) are provided on the mixing shaft (2), and the convex structure (5) is provided above the mixing blades (7).

6. The concrete mixer with a cleaning device according to claim 1, wherein, The water storage cavity (4) provided with the convex structure (5) is integrally cast with the mixing shaft (2) or the mixing barrel (1).

7. A concrete mixer with a cleaning device according to claim 1, wherein, The lining plate (3) is an integrated structure with a U-shaped cross section, and an installation hole adapted to the mixing shaft (2) is provided in the middle of the bottom plate.

8. A concrete mixer with a cleaning device according to claim 7, characterized in that, The scrubbing member (8) is a brush or a scraper.

Images