Concrete mixer

Abstract

The utility model discloses a concrete stirrer, which relates to the technical field of concrete production, and adopts the technical scheme that the concrete stirrer comprises a bottom plate, a through groove is formed in the bottom plate, a stirring box is arranged at the top of the bottom plate, and the stirring box penetrates through the through groove; the two stand columns are fixedly connected to the top of the bottom plate and located on the two sides of the stirring box respectively, and the concrete stirring device has the advantages that the driving assembly works to enable the stirring rod to rotate, so that concrete raw materials can be stirred and mixed, meanwhile, the stirring box can also be rotated, and the stirring effect is improved. Meanwhile, a scraper blade is designed on the shell, so that raw materials adhered to the inner wall of the stirring box can be scraped off by the scraper blade when the stirring box rotates, the phenomenon of insufficient stirring cannot occur when concrete is stirred during stirring, various raw materials of the concrete are fully mixed, and the stirring efficiency is improved. The quality of the concrete is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete production, in particular to a concrete mixer. Background Art

[0002] Concrete is one of the most important civil engineering materials in modern times. It is an artificial stone material made of cementitious materials, granular aggregates (also known as aggregates), water, and admixtures and additives added in a certain proportion. It is evenly mixed, compacted into a dense shape, and cured and hardened. Mixing equipment is required during the production of concrete.

[0003] After searching, the utility model patent with publication number CN220972804U was found. It was found that the raw materials adhering to the inner wall of the mixing box could not be scraped off during use, so that insufficient mixing would occur when making concrete. Therefore, improvement is needed.

[0004] For this reason, it is necessary to invent a concrete mixer. Summary of the Invention

[0005] Therefore, the utility model provides a concrete mixer to solve the problems in the background technology.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a concrete mixer, comprising:

[0007] A bottom plate, wherein a through slot is formed on the bottom plate, and a stirring box is provided on the top of the bottom plate, wherein the stirring box passes through the through slot;

[0008] There are two columns, both of which are fixedly connected to the top of the bottom plate. The two columns are respectively located on both sides of the mixing box. A shell is embedded in the two columns, and the shell passes through the mixing box. Two circular plates are fixedly sleeved on the outside of the shell, and the two circular plates are respectively embedded on both sides of the mixing box.

[0009] An L-shaped rod is fixedly connected to one side of one of the columns, a rotating shaft 1 is embedded in the L-shaped rod, the rotating shaft 1 passes through the shell, and a plurality of rotating shafts 2 are embedded in the bottom of the shell, the plurality of rotating shafts 2 are all located inside the mixing box, and two stirring rods are fixedly sleeved on the outside of the plurality of rotating shafts 2;

[0010] A scraper is fixedly connected to the rear side of the shell, and the scraper is in sliding contact with the inner wall of the mixing box;

[0011] The driving assembly is used to rotate the mixing box and the rotating shaft.

[0012] Preferably, the outer fixed sleeve of the rotating shaft 1 is provided with a plurality of bevel gears 1, one side of each of the plurality of bevel gears 1 is provided with a bevel gear 2 meshingly connected therewith, and the plurality of bevel gears 2 are respectively fixedly connected to the top ends of the plurality of rotating shafts 2.

[0013] Preferably, the driving assembly includes support block one and support block two, and the support block one and support block two are fixedly connected to the top of the base plate. One side of the support block one is fixedly connected to a motor, and the motor output shaft is fixedly connected to a rotating shaft three, and the rotating shaft three passes through the support block one and support block two, and the rotating shaft three is connected to the support block one and support block two through bearings.

[0014] Preferably, the third external fixed sleeve of the rotating shaft is provided with a first gear, the front side of the first gear is provided with a gear ring meshingly connected therewith, and the gear ring fixed sleeve is provided outside the mixing box.

[0015] Preferably, the third rotating shaft and the first rotating shaft are both fixedly sleeved with sprockets on the outside, the two sprockets are sleeved with chains on the outside, and the two sprockets are connected by chain driving.

[0016] Preferably, a material pipe is fixedly embedded in the bottom of the mixing box, and a switch valve is provided on the material pipe.

[0017] Preferably, a pipe 1 is fixedly embedded on one of the circular plates.

[0018] Preferably, support legs are fixedly connected to the four corners of the bottom of the base plate.

[0019] Preferably, the circular plate is connected to the mixing box via a sealed bearing, the first rotating shaft is connected to the housing and the L-shaped rod via sealed bearings, and the second rotating shaft is connected to the housing via a sealed bearing.

[0020] The beneficial effects of the utility model are:

[0021] The utility model can rotate the stirring rod through the operation of the driving component, thereby stirring and mixing the concrete raw materials, and can also rotate the stirring box, so that the stirring quality can be increased. At the same time, a scraper is designed on the shell, so that the scraper can scrape off the raw materials adhering to the inner wall of the stirring box when the stirring box rotates, so that the phenomenon of insufficient stirring will not occur when the concrete is made and stirred, so that the various raw materials of the concrete are fully mixed, thereby improving the quality of the concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only exemplary, and those skilled in the art can derive other implementation drawings based on the provided drawings without inventive effort.

[0023] The structures, proportions, sizes, etc. illustrated in this specification are intended solely to complement the contents disclosed herein and to facilitate understanding and reading by persons familiar with the art. They are not intended to limit the conditions under which the present invention may be implemented and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in size, without affecting the efficacy and objectives of the present invention, shall remain within the scope of the technical contents disclosed herein.

[0024] Figure 1 A schematic diagram of the overall structure provided by the utility model;

[0025] Figure 2 A front sectional view provided for the utility model;

[0026] Figure 3 A side sectional view provided by the utility model;

[0027] Figure 4 A three-dimensional diagram of the components provided by the utility model, including the rotating shaft 1, rotating shaft 2, stirring rod, scraper, bevel gear 1, and bevel gear 2;

[0028] Figure 5 A rear perspective view provided by the present utility model;

[0029] Markings in the figure:

[0030] 1. Bottom plate; 2. Mixing box; 3. Column; 4. Shell; 5. Circular plate; 6. L-shaped rod; 7. Rotating shaft 1; 8. Rotating shaft 2; 9. Mixing rod; 10. Scraper; 11. Bevel gear 1; 12. Bevel gear 2; 13. Support block 1; 14. Support block 2; 15. Motor; 16. Rotating shaft 3; 17. First gear; 18. Ring gear; 19. Sprocket; 20. Chain; 21. Material pipe; 22. Switch valve; 23. Pipe 1; 24. Support leg. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0032] Refer to the attached Figure 1 -Attached Figure 5The utility model provides a concrete mixer, comprising:

[0033] A bottom plate 1 is provided with a through slot, a mixing box 2 is provided on the top of the bottom plate 1, and the mixing box 2 passes through the through slot;

[0034] There are two columns 3, both of which are fixedly connected to the top of the bottom plate 1. The two columns 3 are respectively located on both sides of the mixing box 2. A shell 4 is embedded in the two columns 3. The shell 4 passes through the mixing box 2. Two circular plates 5 are fixedly sleeved on the outside of the shell 4. The two circular plates 5 are respectively embedded on both sides of the mixing box 2.

[0035] An L-shaped rod 6 is fixedly connected to one side of one of the columns 3. A rotating shaft 1 7 is embedded in the L-shaped rod 6. The rotating shaft 1 7 passes through the housing 4. A plurality of rotating shafts 2 8 are embedded in the bottom of the housing 4. The plurality of rotating shafts 2 8 are all located inside the mixing box 2. Two stirring rods 9 are fixedly sleeved on the outside of the plurality of rotating shafts 2 8.

[0036] The scraper 10 is fixedly connected to the rear side of the housing 4 and is in sliding contact with the inner wall of the mixing box 2;

[0037] A driving assembly, which is used to rotate the mixing box 2 and the rotating shaft 7;

[0038] In this embodiment, the driving assembly can rotate the stirring rod 9, thereby stirring and mixing the concrete raw materials, and at the same time, the mixing box 2 can be rotated, so that the mixing quality can be improved. At the same time, a scraper 10 is designed on the shell 4, so that when the mixing box 2 rotates, the scraper 10 can scrape off the raw materials adhering to the inner wall of the mixing box 2;

[0039] Among them, in order to achieve the purpose of transmission, this device adopts the following technical solution: a plurality of bevel gears 11 are fixedly sleeved on the outside of the rotating shaft 1 7, and a bevel gear 2 12 is meshed and connected to each side of the plurality of bevel gears 11. The plurality of bevel gears 2 12 are respectively fixedly connected to the top of the plurality of rotating shafts 2 8. The design of the bevel gears 11 and 12 can make the rotating shaft 2 8 and the rotating shaft 1 7 rotate simultaneously;

[0040] Among them, in order to achieve the purpose of rotating the mixing box 2 and the rotating shaft 7, the present device adopts the following technical solutions: the driving assembly includes a support block 13 and a support block 2 14, the support block 13 and the support block 2 14 are both fixedly connected to the top of the base plate 1, and a motor 15 is fixedly connected to one side of the support block 13, and the output shaft of the motor 15 is fixedly connected to the rotating shaft 3 16, and the rotating shaft 3 16 passes through the support block 13 and the support block 2 14, and the rotating shaft 3 16 is connected to the support block 13 and the support block 2 14 through a bearing, and the external part of the rotating shaft 3 16 is fixedly sleeved with a first gear 17, and the front side of the first gear 17 is provided with a gear ring 18 meshing with it, and the gear ring 18 is fixedly sleeved on the outside of the mixing box 2, and the external parts of the rotating shaft 3 16 and the rotating shaft 1 7 are fixedly sleeved with a sprocket 19, and the external parts of the two sprockets 19 are provided with a chain 20, and the two sprockets 19 are driven and connected by the chain 20. The design of the driving assembly can make the mixing box 2 and the rotating shaft 7 rotate;

[0041] In order to achieve the purpose of adding and taking out materials, the device adopts the following technical solutions: a material pipe 21 is fixedly embedded at the bottom of the mixing box 2, and a switch valve 22 is provided on the material pipe 21;

[0042] In order to facilitate the addition of water to the mixing box 2 during the mixing process, the present device adopts the following technical solution: a pipe 23 is fixedly embedded on one of the circular plates 5. The design of the pipe 23 can facilitate the addition of water to the mixing box 2 during the mixing process.

[0043] Among them, in order to achieve the purpose of support, this device adopts the following technical solution: the four corners of the bottom of the bottom plate 1 are fixedly connected with support legs 24, which can support the device;

[0044] Among them, in order to achieve the purpose of reducing wear, the present device adopts the following technical solutions: the circular plate 5 is connected to the mixing box 2 through a sealed bearing, the rotating shaft 7 is connected to the shell 4 and the L-shaped rod 6 through a sealed bearing, and the rotating shaft 2 8 is connected to the shell 4 through a sealed bearing. The connection through the sealed bearing can not only reduce wear but also prevent the concrete raw materials from entering the bearing.

[0045] The use process of the present invention is as follows: when it is necessary to make concrete, the switch valve 22 is opened, and the raw materials for making concrete are added to the interior of the mixing box 2 through the material pipe 21, and then the switch valve 22 is closed and the motor 15 is controlled to work, the motor 15 drives the rotating shaft 3 16 to rotate, the rotation of the rotating shaft 3 16 drives the chain 20 to rotate, the rotation of the chain 20 drives the rotating shaft 1 7 to rotate, the rotation of the rotating shaft 1 7 drives the multiple bevel gears 1 11 to rotate, the rotation of the multiple bevel gears 1 11 drives the multiple bevel gears 2 12 to rotate, so that the multiple rotating shafts 2 8 can be rotated, thereby driving the stirring rod 9 to rotate, so that The concrete raw materials can be stirred and mixed. At the same time, the rotation of the rotating shaft 3 16 can also rotate the first gear 17. The rotation of the first gear 17 drives the ring gear 18 to rotate. The rotation of the ring gear 18 drives the mixing box 2 to rotate. The rotation of the mixing rod 9 can cooperate with the rotation of the mixing box 9 to increase the mixing quality. At the same time, a scraper 10 is designed on the shell 4. When the mixing box 2 rotates, the scraper 10 can scrape off the raw materials adhering to the inner wall of the mixing box 2. In this way, when making concrete and stirring it, the phenomenon of insufficient stirring will not occur, so that the various raw materials of the concrete are fully mixed, thereby improving the quality of the concrete.

[0046] When the concrete mixing is completed, the motor 15 is controlled to stop working, so that the stirring rod 9 and the mixing box 2 will stop rotating. When stopped, the motor 15 is controlled to position the material pipe 21 downward, and then the switch valve 22 is opened, so that the concrete can flow out through the material pipe 21. When adding raw materials to the mixing box 2 during concrete making, the motor 15 can be controlled to rotate the mixing box 2, so that the material pipe 21 can be positioned upward, making it convenient to add raw materials.

[0047] The end of the material pipe 21 fits closely to the inner wall of the mixing box 2 without any protrusions, so that the scraper 10 will not collide with the material pipe 21.

[0048] The above are merely preferred embodiments of the present invention. Anyone skilled in the art may modify the present invention or create an equivalent technical solution using the above-described technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention falls within the scope of protection claimed by the present invention.

Claims

1. A concrete mixer, characterized in that: include: A bottom plate (1), wherein a through groove is provided on the bottom plate (1), a stirring box (2) is provided on the top of the bottom plate (1), and the stirring box (2) passes through the through groove; There are two upright columns (3), both of which are fixedly connected to the top of the bottom plate (1), and the two upright columns (3) are respectively located on both sides of the mixing box (2). A shell (4) is embedded on the two upright columns (3), and the shell (4) passes through the mixing box (2). Two circular plates (5) are fixedly sleeved on the outside of the shell (4), and the two circular plates (5) are respectively embedded on both sides of the mixing box (2); An L-shaped rod (6) is fixedly connected to one side of one of the columns (3); a rotating shaft (7) is embedded in the L-shaped rod (6); the rotating shaft (7) passes through the shell (4); a plurality of rotating shafts (8) are embedded in the bottom of the shell (4); the plurality of rotating shafts (8) are all located inside the mixing box (2); and two stirring rods (9) are fixedly sleeved on the outside of the plurality of rotating shafts (8); A scraper (10) is fixedly connected to the rear side of the housing (4), and the scraper (10) is in sliding contact with the inner wall of the mixing box (2); A driving assembly is used to rotate the mixing box (2) and the rotating shaft (7).

2. A concrete mixer according to claim 1, characterized in that: The outer fixed sleeve of the rotating shaft 1 (7) is provided with a plurality of bevel gears 1 (11), and one side of the plurality of bevel gears 1 (11) is provided with a bevel gear 2 (12) meshed with the bevel gears 1 (11), and the plurality of bevel gears 2 (12) are respectively fixedly connected to the top ends of the plurality of rotating shafts 2 (8).

3. A concrete mixer according to claim 1, characterized in that: The driving assembly comprises a support block 1 (13) and a support block 2 (14), wherein the support block 1 (13) and the support block 2 (14) are both fixedly connected to the top of the base plate (1), a motor (15) is fixedly connected to one side of the support block 1 (13), an output shaft of the motor (15) is fixedly connected to a rotating shaft 3 (16), the rotating shaft 3 (16) passes through the support block 1 (13) and the support block 2 (14), and the rotating shaft 3 (16) is connected to the support block 1 (13) and the support block 2 (14) via a bearing.

4. A concrete mixer according to claim 3, characterized in that: The third rotating shaft (16) is fixedly sleeved with a first gear (17) on the outside, and a gear ring (18) meshingly connected therewith is provided on the front side of the first gear (17), and the gear ring (18) is fixedly sleeved on the outside of the mixing box (2).

5. A concrete mixer according to claim 3, characterized in that: The rotating shaft 3 (16) and the rotating shaft 1 (7) are both fixedly sleeved with sprockets (19), the two sprockets (19) are sleeved with chains (20) on their exteriors, and the two sprockets (19) are driven and connected via the chains (20).

6. A concrete mixer according to claim 1, characterized in that: A material pipe (21) is fixedly embedded in the bottom of the mixing box (2), and an on-off valve (22) is provided on the material pipe (21).

7. A concrete mixer according to claim 1, characterized in that: A pipe 1 (23) is fixedly embedded on one of the circular plates (5).

8. The concrete mixer according to claim 1, characterized in that: Support legs (24) are fixedly connected at the four corners of the bottom of the base plate (1).

9. A concrete mixer according to claim 1, characterized in that: The circular plate (5) is connected to the mixing box (2) via a sealed bearing, the first rotating shaft (7) is connected to the housing (4) and the L-shaped rod (6) via a sealed bearing, and the second rotating shaft (8) is connected to the housing (4) via a sealed bearing.

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