Anti-cracking recycled concrete raw material stirring device

By using a multi-layered spiral flow path driven by a servo motor and a transverse blade design, combined with a vibration motor and a water spraying mechanism, the problem of concrete raw material settling is solved, achieving efficient and uniform mixing of crack-resistant recycled concrete, and improving mixing efficiency and mixing quality.

CN223749928UActive Publication Date: 2026-01-02CHANGSHU TIANHETONG CO LTD
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Patent Information

Application Number
CN202520207540.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-02
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

In existing crack-resistant recycled concrete mixing equipment, concrete raw materials tend to settle at the bottom of the mixing tank, resulting in uneven mixing and low mixing efficiency.

Method used

The design employs a multi-layered spiral flow path driven by a servo motor. Combining transverse blades and a vibration motor, the first rotating rod is driven to revolve and rotate via the servo motor, connecting plate, and first and second planar gears, forming a multi-layered spiral flow path. Segmented mixing is achieved through the cooperation of the transverse blades and the second rotating rod. At the same time, a water spray mechanism and a vibration motor are set to improve the uniformity and efficiency of mixing.

Benefits of technology

This process achieves more uniform mixing of concrete raw materials, improves mixing efficiency and the adhesion between recycled coarse aggregate and the slurry, and ensures thorough and stable mixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete stirring, and discloses an anti-cracking recycled concrete raw material stirring device which comprises a stirring tank, a stirring mechanism and a water spraying mechanism. According to the anti-cracking recycled concrete raw material stirring device, two first rotating rods are driven to revolve and rotate through a servo motor, a connecting plate, a first face gear and a second face gear, and a multi-layer spiral flowing path is formed in the stirring tank by means of a plurality of first spiral blades; the device comprises a first rotating rod and a first spiral blade, so that the first spiral blade can be fully utilized to push, stir and mix concrete raw materials in the stirring tank, the rotating transverse blade can uniformly stir the concrete raw materials, the sectional type stirring and mixing effect is achieved, and the stirring uniformity is improved, and the device further comprises a second rotating rod and a second spiral blade. According to the device, materials sinking to the bottom can be pushed upwards, uniform mixing of the materials in the stirring tank is further ensured, in addition, the device is provided with two vibration motors, and the stirring efficiency is improved through micro vibration.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of concrete mixing, in particular to an anti-cracking recycled concrete raw material mixing device. BACKGROUND

[0002] With the rapid development of the economy of China, the urbanization process is deepening, and the urban-rural integration layout is continuously extended. A large amount of concrete is applied to buildings or building components every year, and the anti-cracking recycled concrete is a kind of recycled concrete with anti-cracking property. When the concrete is produced, the raw materials need to be mixed.

[0003] The existing patent (publication number: CN221834634U) discloses an anti-cracking recycled concrete raw material mixing tank, which comprises a mixing tank, a feeding hopper for feeding concrete raw materials is fixedly installed at the top of the mixing tank, a servo motor is fixedly arranged on the top wall of the mixing tank and located at the right side of the feeding hopper, the bottom of the servo motor is fixedly connected with a stirring shaft through an output end, and the stirring shaft is located in the interior of the mixing tank; a stirring assembly and a scraping assembly are fixedly arranged on the stirring shaft. The anti-cracking recycled concrete raw material mixing tank can effectively avoid the accumulation of the raw materials at the bottom of the mixing tank by driving the raw materials accumulated at the bottom of the mixing tank to be upwardly conveyed through the rotating screw rod, discharging the raw materials through the discharge port outside the fixed shell, throwing the raw materials along the rotating direction through the screw rod, and stirring the raw materials through the rotating stirring impeller, so that the mixing effect of the concrete raw materials can be enhanced, and the stirring effect of the concrete can be improved.

[0004] The above-mentioned comparative document discloses that when the existing mixing tank is used for stirring the concrete raw materials, part of the concrete raw materials is too concentrated and is deposited at the bottom of the mixing tank, so that the materials cannot be contacted by the stirring impeller, which results in low mixing efficiency and uneven stirring. The existing mixing tank has the defects of incomplete stirring and extremely low stirring efficiency, which is not conducive to the rapid stirring of the concrete raw materials. In order to better solve the above-mentioned problems, an anti-cracking recycled concrete raw material mixing device is provided. Practical new type content

[0005] In view of the defects of the prior art, the application provides an anti-cracking recycled concrete raw material mixing device, which forms multiple spiral flow paths in the interior, enhances the uniformity of stirring, and effectively prevents the situation that the raw materials are deposited at the bottom and cannot be uniformly stirred.

[0006] To achieve the above object, the application provides the following technical scheme: A cracking-resistant recycled concrete raw material stirring device, comprising a stirring tank, a stirring mechanism and a water spraying mechanism, the stirring mechanism comprises a servo motor fixedly connected to the upper surface of the stirring tank and a first planar gear fixedly connected to the inner top wall of the stirring tank, the output shaft end of the servo motor penetrates the stirring tank and the first planar gear in sequence and is fixedly connected with a connecting plate, the upper surface of the connecting plate is rotatably connected with two second planar gears meshing with the first planar gear, the inner wall of each second planar gear is fixedly connected with a first rotating rod, the upper and lower ends of each first rotating rod are fixedly connected with first spiral blades, the middle section of each first rotating rod is fixedly connected with a transverse blade, the bottom surface of the connecting plate is fixedly connected with a second rotating rod, the bottom of the second rotating rod is fixedly connected with second spiral blades, and two symmetrical vibration motors are installed on the bottom surface of the stirring tank.

[0007] Through the above scheme, the two first rotating rods are driven to rotate by the servo motor, the connecting plate, the first planar gear and the second planar gear, which can make the two first rotating rods revolve and rotate around the output shaft of the servo motor, forming a multi-level spiral flow path, so that the first spiral blades can more fully push, stir and mix the concrete raw materials in the stirring tank, the rotating transverse blade can uniformly stir the concrete raw materials, the first spiral blades and the transverse blade cooperate to form a segmented stirring and mixing effect, which is more practical, the second rotating rod and the second spiral blades can push the materials on the bottom upwards, so that the materials in the stirring tank can be mixed more uniformly, and the two vibration motors can improve the stirring efficiency through micro-vibration and improve the adhesion of the recycled coarse aggregate and the slurry.

[0008] Further, the top of the second rotating rod is a smooth section.

[0009] Through the above scheme, when the second rotating rod rotates, the concrete raw materials at the bottom of the stirring tank can be transported upwards, and by limiting the state of the top of the second rotating rod, the upwardly transported concrete raw materials can be stirred and mixed again by the rotating first spiral blades and transverse blades, thereby improving the actual use effect of the second rotating rod.

[0010] Further, the outer surface of the connecting plate is fixedly connected with two connecting rods, the ends of the two connecting rods away from each other are fixedly connected with wall scraping plates, and the two wall scraping plates are matched with the inner wall of the stirring tank.

[0011] Through the above scheme, when the connecting rods drive the wall scraping plates to rotate, the concrete raw materials adhering to the inner wall of the stirring tank can be scraped off, so that the concrete raw materials can be more fully stirred and mixed in the stirring tank.

[0012] Further, the water spraying mechanism comprises a liquid pump installed on the upper surface of the stirring tank, and an inlet pipe is communicated with the input end of the liquid pump.

[0013] Through the above scheme, the water source outside the device can be input into the interior of the stirring tank, thereby facilitating the uniform stirring of the anti-cracking recycled concrete raw materials.

[0014] Further, the output end of the liquid pump is communicated with a spray head, and the spray head is embedded in the inner top wall of the stirring tank.

[0015] Through the above scheme, the water outside can be sprayed into the interior of the stirring tank, and the water sprayed into the interior of the stirring tank can contact the rotating second plane gear and the connecting rod, so that the water can be scattered and fall more uniformly on the surface of the concrete raw materials.

[0016] Further, the top end of the stirring tank is provided with a feeding port, and the bottom end of the stirring tank is provided with a discharging port.

[0017] Through the above scheme, the raw materials can be conveniently put into the stirring tank for mixing, and the mixed raw materials can be conveniently discharged through the discharging port.

[0018] Further, the bottom surface of the stirring tank is fixedly connected with four supporting columns, and the bottom surface of each supporting column is fixedly connected with an anti-skid pad.

[0019] Through the above scheme, the friction between the device and the ground can be improved, so that the device is more stable when stirring and mixing the anti-cracking recycled concrete raw materials.

[0020] Further, the outer surface of the stirring tank is provided with an observation window, and the inner wall of the observation window is embedded with transparent glass.

[0021] Through the above scheme, the staff can real-time master the stirring condition of the anti-cracking recycled concrete raw materials in the stirring tank.

[0022] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0023] The anti-cracking recycled concrete raw material stirring device drives two first rotating rods to revolve and rotate through the servo motor, the connecting plate, the first plane gear and the second plane gear, and forms a multi-level spiral flow path in the interior of the stirring tank by the plurality of first spiral blades, so that the first spiral blades can more fully push, stir and mix the concrete raw materials in the stirring tank, the rotating transverse blades can uniformly stir the concrete raw materials, the segmented stirring and mixing effect is realized, the stirring uniformity is improved, the device further comprises the second rotating rod and the second spiral blade, the materials at the bottom can be pushed upward, and the uniform mixing of the materials in the stirring tank is further ensured, and in addition, the device is provided with two vibration motors, the stirring efficiency is improved through micro-vibration, and the adhesion of the recycled coarse aggregate and the slurry is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall top view structure of the structure of the application;

[0025] Figure 2 It is a schematic diagram of the overall bottom view structure of the structure of the application;

[0026] Figure 3 It is a schematic diagram of the sectional view structure of the structure of the application;

[0027] Figure 4 It is a schematic diagram of the local structure of the structure of the application.

[0028] In the drawings:

[0029] 1, stirring tank; 2, stirring mechanism; 201, servo motor; 202, connecting plate; 203, first plane gear; 204, second plane gear; 205, first rotating rod; 206, first spiral blade; 207, transverse blade; 208, second rotating rod; 209, second spiral blade; 210, connecting rod; 211, wall scraping plate; 212, vibration motor; 3, water spraying mechanism; 301, liquid pump; 302, water inlet pipe; 303, spray head; 4, feed inlet; 5, discharge outlet; 6, support column; 7, observation window. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0031] Please refer to Figure 1 , Figure 3 and Figure 4The anti-cracking recycled concrete raw material stirring device in the embodiment comprises a stirring tank 1, a stirring mechanism 2 and a water spraying mechanism 3. The stirring mechanism 2 comprises a servo motor 201 fixedly connected to the upper surface of the stirring tank 1 and a first plane gear 203 fixedly connected to the inner top wall of the stirring tank 1. The output shaft end of the servo motor 201 penetrates the stirring tank 1 and the first plane gear 203 in sequence and is fixedly connected with a connecting plate 202. The outer surface of the output rotating shaft of the servo motor 201 is not in contact with the inner wall of the first plane gear 203. In this way, when the servo motor 201 is started, the connecting plate 202 can be smoothly driven to rotate. The upper surface of the connecting plate 202 is rotatably connected with two second plane gears 204 meshing with the first plane gear 203. The inner wall of each second plane gear 204 is fixedly connected with a first rotating rod 205. The outer surface of the first rotating rod 205 is rotatably connected with the inner wall of the connecting plate 202. When the connecting plate 202 rotates, the two second plane gears 204 can rotate along the first plane gear 203, so that the two first rotating rods 205 can revolve and rotate around the output rotating shaft of the servo motor 201. The upper and lower ends of each first rotating rod 205 are fixedly connected with first spiral blades 206. The middle section of each first rotating rod 205 is fixedly connected with a transverse blade 207. When the two first rotating rods 205 rotate, the first spiral blades 206 can form a multi-level spiral flow path in the interior of the stirring tank 1. The rotating first spiral blades 206 can uniformly stir and mix the concrete raw materials in the spiral flow.

[0032] See Figure 2 , Figure 3 and Figure 4The bottom surface of the connecting plate 202 is fixedly connected with a second rotating rod 208, the bottom of the second rotating rod 208 is fixedly connected with a second spiral blade 209, the top of the second rotating rod 208 is a smooth section, when the second rotating rod 208 rotates, the concrete raw materials at the bottom of the stirring tank 1 can be upwardly conveyed, by limiting the state of the top of the second rotating rod 208, the upwardly conveyed concrete raw materials can be again stirred and mixed by the rotating first spiral blade 206 and the transverse blade 207, thereby improving the actual use effect of the second rotating rod 208, the bottom surface of the stirring tank 1 is provided with two symmetrical vibration motors 212, when the vibration motor 212 starts, the stirring efficiency is improved by micro-vibration, the mixing quality is optimized, meanwhile, the vibration of the vibration motor 212 also facilitates the discharge of the mixed concrete raw materials from the inside of the stirring tank 1, the outer surface of the connecting plate 202 is fixedly connected with two connecting rods 210, the ends of the two connecting rods 210 away from each other are fixedly connected with scraping plates 211, the two scraping plates 211 are adapted to the inner wall of the stirring tank 1, when the connecting rod 210 drives the scraping plate 211 to rotate, the concrete raw materials adhered to the inner wall of the stirring tank 1 can be scraped off, so that the concrete raw materials can be more fully stirred and mixed in the stirring tank 1.

[0033] Please refer to Figure 1 and Figure 3 The water spraying mechanism 3 comprises a liquid pump 301 installed on the upper surface of the stirring tank 1, the input end of the liquid pump 301 is communicated with a water inlet pipe 302, by arranging the liquid pump 301 and the water inlet pipe 302, the water source outside the device can be input into the inside of the stirring tank 1, thereby facilitating the uniform stirring of the anti-cracking recycled concrete raw materials, the output end of the liquid pump 301 is communicated with a spray head 303, the spray head 303 is embedded in the inner top wall of the stirring tank 1, by arranging the spray head 303, the water outside can be sprayed into the inside of the stirring tank 1, and the water sprayed into the inside of the stirring tank 1 will contact the rotating second plane gear 204 and the connecting rod 210, so that the water can be scattered, and more uniform falling on the surface of the concrete raw materials is realized, and the mixing quality of the concrete raw materials is optimized.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3The top end of the stirring tank 1 is provided with a feeding port 4, and the bottom end of the stirring tank 1 is provided with a discharging port 5. The feeding port 4 can facilitate the feeding of raw materials into the stirring tank 1 for mixing. The discharging port 5 can facilitate the discharge of the mixed raw materials. The bottom surface of the stirring tank 1 is fixedly connected with four supporting columns 6. The bottom surface of each supporting column 6 is fixedly connected with an anti-skid pad. The supporting columns 6 and the anti-skid pads can improve the friction between the device and the ground, so that the device is more stable when mixing the anti-cracking recycled concrete raw materials. The outer surface of the stirring tank 1 is provided with an observation window 7. The inner wall of the observation window 7 is inlaid with transparent glass. The observation window 7 can enable the staff to real-time master the mixing situation of the anti-cracking recycled concrete raw materials in the stirring tank 1.

[0035] In the embodiment, the anti-cracking recycled concrete raw material stirring device drives two first rotating rods 205 to rotate through the servo motor 201, the connecting plate 202, the first plane gear 203, and the second plane gear 204. The two first rotating rods 205 can revolve and rotate around the output rotating shaft of the servo motor 201, form a multi-level spiral flow path, so that the first spiral blade 206 can more fully push, stir, and mix the concrete raw materials in the stirring tank 1. The rotating transverse blade 207 can uniformly stir the concrete raw materials. The first spiral blade 206 and the transverse blade 207 cooperate to form a segmented stirring and mixing effect, which is more practical. The second rotating rod 208 and the second spiral blade 209 can push the materials on the bottom upwards, so that the materials in the stirring tank 1 can be mixed more uniformly. The two vibration motors 212 can improve the stirring efficiency through micro-vibration and improve the adhesion of the recycled coarse aggregate and the slurry.

[0036] The working principle of the above embodiment is that the raw materials that need to be mixed with concrete are put into the stirring tank 1 through the feeding port 4, and an appropriate amount of water is added to the stirring tank 1 through the water spraying mechanism 3, then the servo motor 201 can be started to stir the concrete raw materials in the stirring tank 1, when the servo motor 201 is started, the connecting plate 202 is driven to rotate, through the rotation of the connecting plate 202, the two second plane gears 204 can rotate along the first plane gear 203, thereby the two first rotating rods 205 have the effects of revolution and rotation, through the revolution and rotation of the first rotating rod 205, the first spiral blade 206 and the transverse blade 207 can be driven to rotate, a plurality of first spiral blades 206 can form a multi-level spiral flow path when rotating in the stirring tank 1, cooperating with the transverse blade 207 located in the middle part can realize more sufficient and uniform stirring and mixing work, meanwhile, the rotation of the connecting plate 202 can drive the second rotating rod 208 to rotate, when the second rotating rod 208 rotates, the raw materials at the bottom of the stirring tank 1 can be conveyed upward through the second spiral blade 209, in this way, the concrete raw materials in the stirring tank 1 can be circulated and stirred and mixed, the connecting rod 210 and the wall scraping plate 211 can make the connecting plate 202 scrape off the raw materials attached to the inner wall of the stirring tank 1 when rotating, thereby improving the stirring and mixing effect, finally, the water source can be connected to the water spraying mechanism 3, so that the water can be sprayed into the stirring tank 1 through the spray head 303, so that the concrete raw materials can be more fully mixed, and the setting of the 212 vibration motor can improve the stirring efficiency in the stirring tank 1 through micro-vibration.

[0037] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. An anti-cracking recycled concrete raw material mixing device, comprising a mixing tank (1), a mixing mechanism (2) and a water spraying mechanism (3), characterized in that: The stirring mechanism (2) comprises a servo motor (201) fixedly connected to the upper surface of the stirring tank (1) and a first plane gear (203) fixedly connected to the inner top wall of the stirring tank (1), the output shaft end of the servo motor (201) penetrates the stirring tank (1) and the first plane gear (203) in sequence and is fixedly connected with a connecting plate (202), the upper surface of the connecting plate (202) is rotatably connected with two second plane gears (204) engaged with the first plane gear (203), the inner wall of each second plane gear (204) is fixedly connected with a first rotating rod (205), the upper and lower ends of each first rotating rod (205) are fixedly connected with first spiral blades (206), the middle section of each first rotating rod (205) is fixedly connected with a transverse blade (207), the bottom surface of the connecting plate (202) is fixedly connected with a second rotating rod (208), the bottom of the second rotating rod (208) is fixedly connected with second spiral blades (209), and the bottom surface of the stirring tank (1) is provided with two symmetrical vibration motors (212).

2. The anti-cracking recycled concrete raw material mixing device according to claim 1, characterized in that: The top of the second rotating rod (208) is a smooth section.

3. The anti-cracking recycled concrete raw material mixing device according to claim 1, characterized in that: The outer surface of the connecting plate (202) is fixedly connected with two connecting rods (210), the ends of the two connecting rods (210) away from each other are fixedly connected with wall scraping plates (211), and the two wall scraping plates (211) are matched with the inner wall of the stirring tank (1).

4. The anti-cracking recycled concrete raw material mixing device according to claim 1, characterized in that: The water spraying mechanism (3) comprises a liquid pump (301) installed on the upper surface of the stirring tank (1), and the input end of the liquid pump (301) is communicated with a water inlet pipe (302).

5. The anti-cracking recycled concrete raw material mixing device according to claim 4, characterized in that: The output end of the liquid pump (301) is communicated with a spray head (303), and the spray head (303) is inlaid in the inner top wall of the stirring tank (1).

6. The anti-cracking recycled concrete raw material mixing device according to claim 1, characterized in that: The top end of the stirring tank (1) is provided with a feeding port (4), and the bottom end of the stirring tank (1) is provided with a discharging port (5).

7. The anti-cracking recycled concrete raw material mixing device according to claim 1, characterized in that: The bottom surface of the stirring tank (1) is fixedly connected with four supporting columns (6), and the bottom surface of each supporting column (6) is fixedly connected with an anti-skid pad.

8. The anti-cracking recycled concrete raw material mixing device according to claim 1, characterized in that: An observation window (7) is installed on the outer surface of the stirring tank (1), and transparent glass is inlaid in the inner wall of the observation window (7).

Citation Information

Patent Citations

  • Raw material stirring tank for anti-cracking recycled concrete

    CN221834634U