Building concrete mixer

Abstract

The utility model relates to the technical field of concrete mixing, in particular to a building concrete mixer which comprises a mixing barrel and a base arranged at the bottom end of the mixing barrel, a connecting cover covers the upper end of the mixing barrel, and a mixing assembly is arranged in an inner cavity of the middle end of the mixing barrel. A motor is started, a gear performs circular motion by taking a second rotating shaft as an axis, so that a third rotating shaft can drive a first stirring blade to fully stir materials in the stirring barrel, the first rotating shaft drives a second stirring blade to stir materials in the center in the stirring barrel, and the stirring direction of the second stirring blade is opposite to the rotating direction of the third rotating shaft; therefore, materials in the stirring barrel can be fully mixed under the stirring of the first stirring blade and the second stirring blade, and compared with a single stirring mode, the concrete mixing time is shortened, and the increase of invalid energy consumption is avoided.

Description

Technical Field

[0001] This utility model relates to the field of concrete mixing technology, and in particular to a building concrete mixer. Background Technology

[0002] With the development of my country's economy and science and technology, the scale of infrastructure construction is constantly expanding, and production automation is increasingly used in production. Construction machinery is playing an increasingly important role in economic construction, and concrete mixers are an important representative of construction machinery, serving as a key piece of equipment in concrete production. Concrete mixers are widely used in modern construction projects. They not only reduce the labor burden on workers but also ensure the quality of concrete projects. Because concrete mixing equipment handles large quantities of aggregates such as sand, gravel, cement, and stones, and operates in harsh environments, these machines are essential components for construction.

[0003] Some existing concrete mixers use a relatively simple mixing method, which requires extending the mixing time to achieve uniformity, resulting in increased ineffective energy consumption. Furthermore, the mixing drum and mixing blades of existing mixers are often not detachable, making it inconvenient to clean the mixer and causing concrete to accumulate inside. Utility Model Content

[0004] In order to overcome the defects of the prior art mentioned above, the inventors conducted in-depth research and, after a great deal of creative work, completed this utility model.

[0005] Specifically, the technical problem to be solved by this utility model is to provide a building concrete mixer to address the technical problems of poor protection effect of some existing NLOS identification signal transmission stabilization devices, poor protection structure of the device during transportation, easy damage to the device due to device vibration, and poor heat dissipation due to natural heat dissipation by opening heat dissipation vents.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0007] A concrete mixer includes a mixing drum and a base at the bottom of the mixing drum. A connecting cover is provided on the upper end of the mixing drum. A mixing assembly is provided in the inner cavity of the middle of the mixing drum. The mixing assembly includes a motor located on the upper end of the connecting cover. A first bevel gear is provided at the output end of the motor. A second bevel gear and a third bevel gear are respectively provided at the upper and lower ends of the first bevel gear. A first rotating shaft is provided at the lower end of the second bevel gear. A second rotating shaft is provided at the lower end of the third bevel gear. A disc is provided at the lower end of the second rotating shaft. Multiple sets of connecting rods are provided on the outer wall of the disc. A third rotating shaft is provided on the lower side of the front end of each connecting rod. Multiple sets of first mixing blades are sleeved on the outer wall of the third rotating shaft from top to bottom. A gear is sleeved on the upper outer wall of the third rotating shaft. A toothed ring is provided at the lower end of the inner wall of the connecting cover. Multiple sets of second mixing blades are provided on the lower outer wall of the first rotating shaft from top to bottom.

[0008] As an improved technical solution, the connecting cover is movably installed on the upper end of the mixing tank. The outer wall of the upper end of the mixing tank is provided with two sets of first mounting blocks that are symmetrical to each other, and the outer wall of the lower end of the connecting cover is provided with two sets of second mounting blocks that are symmetrical to each other. The first mounting blocks and the second mounting blocks are fitted together. A bolt is threaded into the upper end of the second mounting block, and the lower end of the bolt is threaded through the first mounting block.

[0009] As an improved technical solution, the stirring assembly further includes a fixed base fixedly disposed on the upper end of the connecting cover. The motor is fixedly connected to the outer wall of the fixed base. The upper end of the second bevel gear is rotatably connected to the fixed base. The first bevel gear, the second bevel gear, and the third bevel gear mesh with each other. The second rotating shaft moves through the connecting cover. The second rotating shaft is rotatably connected to the middle end of the connecting cover. The first rotating shaft moves sequentially from top to bottom to the third bevel gear, the second rotating shaft, and the disc. The first rotating shaft is rotatably inserted into the middle end of the second rotating shaft. The upper end of the first rotating shaft and the second bevel gear are fixedly connected.

[0010] As an improved technical solution, the gear ring and the gear mesh with each other.

[0011] As an improved technical solution, the upper end of the third rotating shaft is rotatably connected to the connecting rod.

[0012] As an improved technical solution, a scraper is fixedly provided on the lower outer wall of the disc, the scraper is in contact with the inner wall of the mixing tank, and multiple sets of through holes are opened through the outer walls of the second mixing blade and the first mixing blade.

[0013] As an improved technical solution, the lower end of the mixing tank is connected to a discharge port, and the middle end of the discharge port is provided with a discharge valve.

[0014] After adopting the above technical solution, the beneficial effects of this utility model are:

[0015] In this invention, the motor is started, and the gears rotate in a circular motion around the second shaft. This allows the third shaft to drive the first stirring blade to fully mix the material in the mixing drum. The first shaft also drives the second stirring blade to stir the material in the center of the mixing drum. The stirring direction of the second stirring blade is opposite to the rotation direction of the third shaft. Thus, the material in the mixing drum can be fully mixed by the stirring of the first and second stirring blades. Compared with a single stirring method, this reduces the concrete mixing time and avoids the increase of ineffective energy consumption.

[0016] After mixing is completed, the discharge valve can be opened to discharge the concrete inside the mixing drum. When it is necessary to clean the inside of the mixing drum, the bolts can be unscrewed from the first and second mounting blocks to separate the connecting cover from the mixing drum, so that the mixing blades can be removed from the mixing drum. This makes it convenient to manually wash the mixing drum and mixing blades separately and avoids the accumulation of concrete inside the mixing drum. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a front-view three-dimensional structural diagram of a building concrete mixer according to the present invention;

[0019] Figure 2 This is a three-dimensional cross-sectional view of the overall front view of a building concrete mixer according to the present invention.

[0020] Figure 3 This is a schematic diagram of the mixing component structure of a building concrete mixer according to the present invention.

[0021] Figure 4 This is a partial three-dimensional structural diagram of a building concrete mixer according to the present invention;

[0022] Figure 5 This is a three-dimensional structural diagram of the mixing tank and connecting cover of a building concrete mixer according to the present invention.

[0023] In the diagram: 1. Mixing tank; 2. Base; 3. Connecting cover; 4. First mounting block; 5. Second mounting block; 6. Bolt; 7. Mixing assembly; 701. Fixing seat; 702. Motor; 703. First bevel gear; 704. Second bevel gear; 705. Third bevel gear; 706. First rotating shaft; 707. Second rotating shaft; 708. Disc; 709. Connecting rod; 710. Third rotating shaft; 711. First mixing blade; 712. Gear; 713. Gear ring; 714. Second mixing blade; 715. Scraper; 8. Discharge port; 9. Discharge valve. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] Meanwhile, the meaning of "and / or" or "the / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0027] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0028] like Figures 1-5As shown in the figure, this embodiment provides a building concrete mixer, including a mixing drum 1 and a base 2 disposed at the bottom of the mixing drum 1. A connecting cover 3 is provided on the upper end of the mixing drum 1, and a mixing assembly 7 is provided in the inner cavity of the middle end of the mixing drum 1. The mixing assembly 7 includes a motor 702 disposed on the upper end of the connecting cover 3. A first bevel gear 703 is provided at the output end of the motor 702. A second bevel gear 704 and a third bevel gear 705 are respectively provided at the upper and lower ends of the first bevel gear 703. A first rotating shaft is provided at the lower end of the second bevel gear 704. 706, the lower end of the third bevel gear 705 is provided with a second rotating shaft 707, the lower end of the second rotating shaft 707 is provided with a disc 708, the outer wall of the disc 708 is provided with multiple sets of connecting rods 709, the lower side of the front end of the connecting rod 709 is provided with a third rotating shaft 710, the outer wall of the third rotating shaft 710 is provided with multiple sets of first stirring blades 711 from top to bottom, the upper outer wall of the third rotating shaft 710 is provided with a gear 712, the lower end of the inner wall of the connecting cover 3 is provided with a toothed ring 713, and the lower outer wall of the first rotating shaft 706 is provided with multiple sets of second stirring blades 714 from top to bottom.

[0029] The connecting cover 3 is movably mounted on the upper end of the mixing tank 1. The upper outer wall of the mixing tank 1 is provided with two sets of first mounting blocks 4 that are symmetrical to each other. The lower outer wall of the connecting cover 3 is provided with two sets of second mounting blocks 5 that are symmetrical to each other. The first mounting blocks 4 and the second mounting blocks 5 are fitted together. The upper end of the second mounting block 5 is threaded with a bolt 6, and the lower end of the bolt 6 is threaded through the first mounting block 4.

[0030] The stirring assembly 7 also includes a fixed base 701 fixedly mounted on the upper end of the connecting cover 3. The motor 702 is fixedly connected to the outer wall of the fixed base 701. The upper end of the second bevel gear 704 is rotatably connected to the fixed base 701. The first bevel gear 703, the second bevel gear 704, and the third bevel gear 705 mesh with each other. The second rotating shaft 707 moves through the connecting cover 3 and is rotatably connected to the middle end of the connecting cover 3. The first rotating shaft 706 moves from top to bottom sequentially to the third bevel gear 705, the second rotating shaft 707, and the disc 708. The first rotating shaft 706 is rotatably inserted into the middle end of the second rotating shaft 707. The upper end of the first rotating shaft 706 is fixedly connected to the second bevel gear 704.

[0031] The gear ring 713 and the gear 712 mesh with each other.

[0032] The upper end of the third rotating shaft 710 is rotatably connected to the connecting rod 709.

[0033] A scraper 715 is fixedly provided on the lower outer wall of the disc 708. The scraper 715 is in contact with the inner wall of the mixing tank 1. Multiple sets of through holes are opened through the outer walls of the second mixing blade 714 and the first mixing blade 711.

[0034] The lower end of the mixing tank 1 is connected to a discharge port 8, and the middle of the discharge port 8 is equipped with a discharge valve 9.

[0035] The raw materials needed for processing concrete are placed into the mixing drum 1. Then, the connecting cover 3 is placed on top of the mixing drum 1, ensuring that the first mounting block 4 and the second mounting block 5 fit together. Next, bolts 6 are screwed in, passing through the first mounting block 4 and the second mounting block 5, thus completing the installation of the mixing drum 1 and the connecting cover 3. Then, the motor 702 is started, driving the first bevel gear 703 to rotate. The first bevel gear 703 drives the second bevel gear 704 and the third bevel gear 705 to rotate. The second bevel gear 704 and the third bevel gear 705 rotate in opposite directions. The third bevel gear 705 drives the second rotating shaft 7. 07 rotates, the second rotating shaft 707 drives the connecting rod 709 to rotate, the connecting rod 709 drives the third rotating shaft 710 to rotate around the second rotating shaft 707. Simultaneously, the gear 712 rotates around the second rotating shaft 707 and rotates along the inner wall of the gear ring 713. 713 drives the gear 712 to rotate, thus the third rotating shaft 710 rotates around the second rotating shaft 707 while simultaneously rotating itself. Therefore, the third rotating shaft 710 can drive the first stirring blade 711 to fully stir the material in the mixing tank 1, and the first rotating shaft 706 drives the second stirring blade 71... 4. The material in the center of the mixing drum 1 is stirred. The stirring direction of the second stirring blade 714 is opposite to the rotation direction of the third rotating shaft 710. Thus, under the stirring of the first stirring blade 711 and the second stirring blade 714, the material in the mixing drum 1 can be fully mixed. Compared with a single stirring method, the concrete mixing time is reduced, and the increase of ineffective energy consumption is avoided. When material adheres to the inner wall of the mixing drum 1, the scraper 715 rotates with the disc 708 and can scrape the material on the inner wall of the mixing drum 1 back into the mixing drum 1 for stirring, avoiding material waste. At the same time, the second stirring blade 714... The through holes on the outer wall of the first mixing blade 711 can reduce the resistance encountered during the mixing process, speed up the mixing speed, and reduce the energy consumption required for mixing to a certain extent. After the mixing is completed, the discharge valve 9 can be opened, and the concrete inside the mixing tank 1 can be discharged from the discharge port 8. When it is necessary to clean the inside of the mixing tank 1, the bolts 6 can be unscrewed from the first mounting block 4 and the second mounting block 5 to separate the connecting cover 3 from the mixing tank 1, so that the mixing blade can be taken out from the mixing tank 1. This makes it convenient for manual cleaning of the mixing tank 1 and the mixing blade separately, and avoids the accumulation of concrete inside the mixing tank 1.

[0036] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A building concrete mixer comprising a mixing drum (1) and a base (2) provided at the bottom end of the mixing drum (1), characterized in that: The upper end cover of the stirring barrel (1) is provided with a connecting cover (3), the middle end inner cavity of the stirring barrel (1) is provided with a stirring assembly (7), the stirring assembly (7) comprises a motor (702) arranged at the upper end of the connecting cover (3), the output end of the motor (702) is provided with a first bevel gear (703), the upper and lower ends of the first bevel gear (703) are respectively provided with a second bevel gear (704) and a third bevel gear (705), the lower end of the second bevel gear (704) is provided with a first rotating shaft (706), the lower end of the third bevel gear (705) is provided with a second rotating shaft (707), the lower end of the second rotating shaft (707) is provided with a disc (708), the outer wall of the disc (708) is provided with a plurality of connecting rods (709), the lower side of the front end of the connecting rod (709) is provided with a third rotating shaft (710), the outer wall of the third rotating shaft (710) is sequentially sleeved with a plurality of first stirring blades (711) from top to bottom, the outer wall of the upper end of the third rotating shaft (710) is sleeved with a gear (712), the inner wall of the lower end of the connecting cover (3) is provided with a tooth ring (713), and the outer wall of the lower end of the first rotating shaft (706) is sequentially provided with a plurality of second stirring blades (714) from top to bottom.

2. The building concrete mixer according to claim 1, characterized in that: The upper end of the connecting cover (3) is movably arranged on the upper end of the stirring barrel (1), the outer wall of the upper end of the stirring barrel (1) is provided with two groups of first mounting blocks (4) which are symmetrical to each other, the outer wall of the lower end of the connecting cover (3) is provided with two groups of second mounting blocks (5) which are symmetrical to each other, the first mounting block (4) and the second mounting block (5) are attached to each other, the upper end of the second mounting block (5) is threadedly inserted with a bolt (6), and the lower end of the bolt (6) is threadedly penetrated through the first mounting block (4).

3. The building concrete mixer of claim 1, wherein: The stirring assembly (7) further comprises a fixing seat (701) fixedly arranged at the upper end of the connecting cover (3), the outer walls of the motor (702) and the fixing seat (701) are fixedly connected, the upper end of the second bevel gear (704) is rotatably connected with the fixing seat (701), the first bevel gear (703) is meshed with the second bevel gear (704) and the third bevel gear (705), the second rotating shaft (707) movably penetrates through the connecting cover (3), the second rotating shaft (707) is rotatably connected with the middle end of the connecting cover (3), the first rotating shaft (706) sequentially movably penetrates through the third bevel gear (705), the second rotating shaft (707) and the disc (708) from top to bottom, the first rotating shaft (706) is rotatably inserted in the middle end of the second rotating shaft (707), and the upper end of the first rotating shaft (706) is fixedly connected with the second bevel gear (704).

4. The building concrete mixer of claim 1, wherein: The tooth ring (713) and the gear (712) are meshed with each other.

5. The building concrete mixer of claim 1, wherein: The upper end of the third rotating shaft (710) is rotatably connected with the connecting rod (709).

6. The building concrete mixer of claim 1, wherein: The lower end of the disc (708) is fixedly provided with a scraper (715), the scraper (715) is attached to the inner wall of the stirring barrel (1), and the outer walls of the second stirring blades (714) and the first stirring blades (711) are all provided with a plurality of through holes.

7. The building concrete mixer of claim 1, wherein: The lower end of the stirring barrel (1) is communicated with a discharge port (8), and the middle end of the discharge port (8) is provided with a discharge valve (9).

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