Concrete mixer with self-cleaning function

Abstract

The concrete mixer with the self-cleaning function comprises a mixing barrel, the left side of the mixing barrel is fixedly connected with a water tank, the left side of the water tank is provided with a water filling nozzle, the bottom of an inner cavity of the water tank is fixedly connected with a water pump, and the output end of the water pump is communicated with a corrugated pipe. A transmission box is fixedly connected to the right side of the stirring barrel, threaded rods are movably connected to the upper side and the lower side of an inner cavity of the transmission box through bearings, threaded sleeves are in threaded connection to the surfaces of the threaded rods, and transmission rods are fixedly connected to the right sides of the threaded sleeves. The output end of a servo motor drives a threaded rod to rotate, the threaded rod drives a threaded sleeve to move upwards under the action of threads, the threaded sleeve drives a transmission rod to move upwards, and the transmission rod drives a wall scraping ring to move upwards along the inner wall of a stirring barrel, so that the inner wall of the stirring barrel is cleaned, and concrete is prevented from remaining on the inner wall of the stirring barrel after stirring; the subsequent stirring quality is influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a concrete mixer with self -cleaning function belongs to concrete mixer technical field. BACKGROUND

[0002] The concrete mixer is a kind of mechanical equipment for cement, sand, stone and water and other raw materials are stirred uniformly according to certain proportion, is widely used in building, road construction, bridge and other engineering.It is mixed by rotating or vibrating, so that raw materials are fully mixed, ensure the uniformity and quality of concrete.According to the stirring mode and structure, concrete mixer can be divided into two types of forced and self-falling, wherein forced mixer is suitable for stirring the concrete with greater viscosity, and self-falling mixer is more suitable for the concrete with better flowability.Modern mixer usually has high efficiency, energy saving, simple operation and other characteristics, is one of the indispensable equipment in construction site.

[0003] In the prior art, concrete mixer is inconvenient for staff to clean, cleaning process is usually more cumbersome and time-consuming, needs special cleaning personnel to disassemble, flush, wipe and other work, which will increase labor cost and reduce work efficiency, concrete mixer is used for a period of time, the inner wall can be left with concrete residue that is not cleaned, these residues can affect the subsequent concrete mixing quality, cause inaccurate mix proportion, affect the strength and uniformity of concrete.

[0004] Therefore, a concrete mixer with self-cleaning function is proposed. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model provides a concrete mixer with self-cleaning function to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0006] The technical scheme of the utility model is realized as follows: a concrete mixer with self-cleaning function, comprising a stirring barrel, a water tank is fixedly connected to the left side of the stirring barrel, a water inlet is arranged on the left side of the water tank, a water pump is fixedly connected to the bottom of the inner cavity of the water tank, a bellows is communicated with the output end of the water pump, a transmission box is fixedly connected to the right side of the stirring barrel, threaded rods are movably connected to the upper and lower sides of the inner cavity of the transmission box through bearings, threaded sleeves are threadedly connected to the surfaces of the threaded rods, a transmission rod is fixedly connected to the right side of the threaded sleeve, a wall scraping ring is fixedly connected to one end of the transmission rod, the wall scraping ring is in contact with the inner wall of the stirring barrel, a plurality of water injection ports are arranged on the outer side of the wall scraping ring, and one end of the bellows is communicated with the wall scraping ring.

[0007] Further preferably, a servo motor is fixedly connected to the top of the transmission box, and the output end of the servo motor is fixedly connected with the threaded rod.

[0008] Further preferably, a guide groove is formed on the right side of the transmission box, the transmission rod penetrates through the guide groove and extends to the right side of the transmission box, and the outer wall of the transmission rod is attached to the guide groove.

[0009] Further preferably, a sliding groove is formed on the left side of the inner cavity of the transmission box, and the left side of the threaded sleeve is fixedly connected with a sliding block which is slidingly connected in the sliding groove.

[0010] Further preferably, a rotary motor is fixedly connected to the middle end of the top of the stirring barrel, an output end of the rotary motor is fixedly connected with a stirring rod, and the surface of the stirring rod is provided with a plurality of stirring blades.

[0011] Further preferably, a feeding port is communicated to the back side of the top of the stirring barrel, a discharging port is arranged on the middle end of the bottom of the stirring barrel, an electromagnetic valve is arranged in the discharging port, and support legs are fixedly connected to the periphery of the bottom of the stirring barrel.

[0012] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme:

[0013] Firstly, the output end of the servo motor drives the threaded rod to rotate, the threaded rod drives the threaded sleeve to move upward through the action of the thread, the threaded sleeve drives the transmission rod to move upward, the transmission rod drives the wall scraping ring to move upward along the inner wall of the stirring barrel, and then the inner wall of the stirring barrel is cleaned, so that the residual concrete on the inner wall of the stirring barrel after stirring is avoided, and the subsequent stirring quality is affected.

[0014] Secondly, the input end of the water pump sucks the water in the water tank, the output end of the water pump delivers the water to the wall scraping ring through the corrugated pipe, and the water is sprayed to the inner wall of the stirring barrel through the water spraying port, so that the cleaning effect of the inner wall of the stirring barrel is further improved, and the residual concrete clumps do not affect the cleaning effect of the wall scraping ring.

[0015] Thirdly, the guide groove is arranged, so that the movement track of the transmission rod is limited, and the transmission rod is prevented from deviating during movement, the sliding groove and the sliding block are arranged, so that the threaded sleeve is limited, and the stability of the threaded sleeve during movement is improved.

[0016] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described exemplary aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent to those skilled in the art by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 It is a first perspective view of the utility model;

[0019] Figure 2 It is a second perspective view of the utility model;

[0020] Figure 3 It is a third perspective view of the utility model;

[0021] Figure 4 It is a sectional view of the stirring barrel of the utility model.

[0022] Reference signs: 1, stirring barrel; 2, rotating motor; 3, feeding port; 4, corrugated pipe; 5, water inlet; 6, water tank; 7, supporting leg; 8, transmission rod; 9, guide groove; 10, transmission box; 11, servo motor; 12, discharge port; 13, water pump; 14, wall scraping ring; 15, water spraying port; 16, sliding groove; 17, sliding block; 18, threaded sleeve; 19, threaded rod; 20, stirring blade; 21, stirring rod. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and description are considered to be exemplary in nature rather than limiting.

[0024] The embodiments of the present application will be described in detail below with reference to the drawings.

[0025] Embodiment 1

[0026] As Figures 1-4The utility model discloses an embodiment provides a concrete mixer with self -cleaning function, including stirring bucket 1, its characterized in that: the left side fixed connection of stirring bucket 1 has water tank 6, and the left side of water tank 6 is provided with the water inlet 5, and the bottom fixed connection of water tank 6 inner chamber has water pump 13, and the output of water pump 13 is communicated with bellows 4, and the right side fixed connection of stirring bucket 1 has transmission box 10, and the upper and lower sides of transmission box 10 inner chamber are all movably connected with threaded rod 19 through bearing, and the surface screw thread connection of threaded rod 19 has screw sleeve 18, and the right side fixed connection of screw sleeve 18 has transmission rod 8, and one end of transmission rod 8 is fixedly connected with scrape wall ring 14, and scrape wall ring 14 is in contact with the inner wall of stirring bucket 1, and the outside of scrape wall ring 14 is equipped with a plurality of water spray opening 15, and one end of bellows 4 is communicated with scrape wall ring 14.

[0027] The threaded rod 19 is driven to rotate by the output of servo motor 11, the threaded rod 19 drives screw sleeve 18 to move up by the action of screw thread, screw sleeve 18 drives transmission rod 8 to move up, transmission rod 8 drives scrape wall ring 14 to move up along the inner wall of stirring bucket 1, then the inner wall of stirring bucket 1 is cleaned, avoids the residual concrete of the inner wall of stirring bucket 1 after stirring, influences the mixing quality of subsequent, the water in water tank 6 is inhaled by the input of water pump 13, then the output of water pump 13 sends water to scrape wall ring 14 through bellows 4, and is sprayed to the inner wall of stirring bucket 1 through water spray opening 15, further improves the cleaning effect of the inner wall of stirring bucket 1, avoids the residual concrete agglomerate to influence the cleaning effect of scrape wall ring 14 to it.

[0028] Embodiment 2

[0029] In one embodiment, the top of transmission box 10 is fixedly connected with servo motor 11, and the output of servo motor 11 is fixedly connected with threaded rod 19, the right side of transmission box 10 is provided with guide slot 9, the right side of transmission rod 8 penetrates guide slot 9 and extends to the right side of transmission box 10, and the outer wall of transmission rod 8 is attached to guide slot 9, the left side of transmission box 10 inner chamber is provided with sliding slot 16, the left side of screw sleeve 18 is fixedly connected with sliding block 17, and sliding block 17 is slidably connected in sliding slot 16, the middle end of stirring bucket 1 top is fixedly connected with rotating motor 2, the output of rotating motor 2 is fixedly connected with stirring rod 21, the surface of stirring rod 21 is provided with a plurality of stirring blades 20, the back side of stirring bucket 1 top is communicated with feeding port 3, the middle end of stirring bucket 1 bottom is provided with discharge port 12, and the discharge port 12 is provided with electromagnetic valve, and the periphery of stirring bucket 1 bottom is fixedly connected with support leg 7.

[0030] By setting guide slot 9, the movement track of transmission rod 8 can be limited, avoiding deviation during movement, by setting sliding slot 16 and sliding block 17, screw sleeve 18 can be limited, improving the stability during movement.

[0031] In operation, this invention works as follows: First, the concrete to be mixed is poured into the mixing drum 1 through the feed inlet 3. The output end of the rotating motor 2 drives the mixing rod 21 to rotate, which in turn drives the mixing blade 20 to rotate, thus mixing the concrete. After mixing, the concrete is discharged through the discharge outlet 12. The output end of the servo motor 11 drives the threaded rod 19 to rotate, which in turn drives the threaded sleeve 18 to move upward through the thread. The threaded sleeve 18 drives the transmission rod 8 to move upward, which in turn drives the scraper ring 14 to move upward along the inner wall of the mixing drum 1, thereby cleaning the inner wall of the mixing drum 1 and preventing concrete residue from remaining on the inner wall of the mixing drum 1 after mixing, which would affect the subsequent mixing quality. At the same time, water is drawn into the water tank 6 through the input end of the water pump 13, and then the output end of the water pump 13 delivers the water to the scraper ring 14 through the corrugated pipe 4 and sprays it onto the inner wall of the mixing drum 1 through the spray nozzle 15, further improving the cleaning effect of the inner wall of the mixing drum 1 and preventing residual lumps of concrete from affecting the cleaning effect of the scraper ring 14.

[0032] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A concrete mixer with self-cleaning function, comprising a mixing drum (1), characterized in that: A water tank (6) is fixedly connected to the left side of the mixing tank (1). A water inlet (5) is provided on the left side of the water tank (6). A water pump (13) is fixedly connected to the bottom of the inner cavity of the water tank (6). A corrugated pipe (4) is connected to the output end of the water pump (13). A transmission box (10) is fixedly connected to the right side of the mixing tank (1). Threaded rods (19) are movably connected to the upper and lower sides of the inner cavity of the transmission box (10) through bearings. A threaded sleeve (18) is threadedly connected to the surface of the threaded rod (19). A transmission rod (8) is fixedly connected to the right side of the threaded sleeve (18). A scraper ring (14) is fixedly connected to one end of the transmission rod (8). The scraper ring (14) is in contact with the inner wall of the mixing tank (1). Multiple water spray nozzles (15) are opened on the outer side of the scraper ring (14). One end of the corrugated pipe (4) is connected to the scraper ring (14).

2. A concrete mixer with self-cleaning function according to claim 1, characterized in that: A servo motor (11) is fixedly connected to the top of the transmission box (10), and the output end of the servo motor (11) is fixedly connected to the threaded rod (19).

3. A concrete mixer with self-cleaning function according to claim 1, characterized in that: The transmission box (10) has a guide groove (9) on its right side. The right side of the transmission rod (8) passes through the guide groove (9) and extends to the right side of the transmission box (10). The outer wall of the transmission rod (8) is in contact with the guide groove (9).

4. A concrete mixer with self-cleaning function according to claim 1, characterized in that: A sliding groove (16) is provided on the left side of the inner cavity of the transmission box (10), and a slider (17) is fixedly connected to the left side of the threaded sleeve (18), and the slider (17) is slidably connected in the sliding groove (16).

5. A concrete mixer with self-cleaning function according to claim 1, characterized in that: A rotating motor (2) is fixedly connected to the middle of the top of the mixing tank (1), and a stirring rod (21) is fixedly connected to the output end of the rotating motor (2). Multiple stirring blades (20) are provided on the surface of the stirring rod (21).

6. A concrete mixer with self-cleaning function according to claim 1, characterized in that: The mixing tank (1) has a feed inlet (3) connected to the back side of the top, and a discharge port (12) is provided at the middle of the bottom of the mixing tank (1). A solenoid valve is provided in the discharge port (12). Support legs (7) are fixedly connected to the bottom of the mixing tank (1) around its perimeter.

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