Cement mortar mixer for laboratory

By introducing annular scraper blocks and a liquid spraying section into the cement mortar mixer, the problem of time-consuming and labor-intensive cleaning in the existing technology has been solved, achieving efficient cleaning of the mixer and improving work efficiency.

CN223918291UActive Publication Date: 2026-02-17ANHUI SHENGCHENG NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202423011071.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2026-02-17
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The existing cement mortar mixer is time-consuming and labor-intensive to clean, and it is difficult to thoroughly clean the mixing drum and mixing rod.

Method used

A cleaning assembly with an annular scraper and a spray nozzle was designed. Driven by a hydraulic cylinder and a motor, the annular scraper moves up and down within the mixing tank and sprays liquid. Combined with the nozzle, the inner wall of the mixing tank and the mixing assembly are cleaned.

Benefits of technology

It achieves efficient, time-saving, and labor-saving cleaning results, and improves the working efficiency of the mixer.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223918291U_ABST
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Abstract

The utility model relates to a cement mortar stirrer for laboratory, which comprises a stirring tank body and a cleaning assembly, the stirring tank body is axially provided with a stirring assembly for stirring materials along the center, and the cleaning assembly comprises a liquid guide part and an annular scraping block which is arranged on the periphery of the stirring assembly and is matched with the inner side wall of the stirring tank body. A moving part is arranged above the stirring tank body, an annular scraping block is driven by the moving part to move in the axial direction of the stirring tank body, a plurality of groups of liquid spraying parts are arranged on the inner side of the annular scraping block, and cleaning liquid flows into the liquid spraying parts through a liquid guiding part and then is sprayed out. According to the device, the inner wall of the stirring tank body and the rotating column and the stirring rod contained in the stirring assembly can be effectively cleaned, time and labor are saved, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of cement mortar mixing equipment, and in particular to a cement mortar mixer for laboratory use. Background Technology

[0002] Cement mortar mixers are an indispensable piece of equipment in construction. Cement mortar is a mixture of cement and standard sand used to test the strength of cement specimens. It can be used to conduct relevant mechanical experiments on cement. When studying the properties of soil and rock materials in the laboratory, it is necessary to prepare various soil and rock specimens. Cement mortar mixers are suitable for mixing cement mortar specimens during preparation.

[0003] In the process of cement mixing and pouring experiments, in order to ensure the quality of the material mixing in the next batch, the inside of the mixing cylinder and the mixing rod are usually cleaned manually. This is not only time-consuming and labor-intensive, but also difficult to clean effectively. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a laboratory cement mortar mixer, the specific technical solution of which is as follows:

[0005] A laboratory cement mortar mixer includes a mixing tank and a cleaning assembly. The mixing tank is provided with a mixing assembly for mixing materials along its central axis. The cleaning assembly includes a liquid guiding section and an annular scraper block adapted to the inner wall of the mixing tank and located around the mixing assembly. A moving section is provided above the mixing tank, which drives the annular scraper block to move along the axial direction of the mixing tank. Multiple spray sections are provided on the inner side of the annular scraper block, and cleaning liquid is sprayed out after flowing into the spray section through the liquid guiding section.

[0006] As an improvement to the above technical solution, it also includes a base located below the mixing tank, the bottom of the mixing tank having a rectangular limiting block, the top of the base having a limiting groove adapted to the rectangular limiting block, and the outer surface of the mixing tank having a handle.

[0007] As an improvement to the above technical solution: a mounting plate is connected to the base, the stirring assembly includes a first drive motor and a rotating column, the rotating column is connected to the bottom output shaft of the first drive motor, a plurality of stirring rods are connected to the rotating column along the axial direction, a second hydraulic cylinder is mounted on the mounting plate, the bottom output rod of the second hydraulic cylinder is connected to the first drive motor, and the rotating column connected to the first drive motor is controlled to move along the axial direction of the stirring tank by the second hydraulic cylinder.

[0008] As an improvement to the above technical solution: the inner side of the annular scraper block is connected to a loop-shaped liquid passage main pipe, and the liquid spraying part is provided with a second drive motor and an adjusting liquid spraying pipe inside the loop-shaped liquid passage main pipe. The second drive motor is installed on the loop-shaped liquid passage main pipe, and the adjusting liquid spraying pipe is connected to the output shaft of the second drive motor. Several nozzles are installed on the adjusting liquid spraying pipe near the center side of the annular scraper block and on the bottom side of the adjusting liquid spraying pipe.

[0009] As an improvement to the above technical solution: the moving part includes a first hydraulic cylinder mounted on the mounting plate, the bottom output rod of the first hydraulic cylinder is connected to the annular scraper block, and the first hydraulic cylinder is used to drive the annular scraper block to move up and down.

[0010] As an improvement to the above technical solution: the liquid guiding part includes a water storage tank mounted on the mounting plate, a pump body is mounted on the water storage tank, the input end of the pump body is connected to the inside of the water storage tank through a pipe, the output end of the pump body is connected to a flexible hose, one end of the flexible hose is connected to the loop-shaped liquid main pipe, and the adjusting spray pipe is connected to the loop-shaped liquid main pipe through a flexible pipe.

[0011] The beneficial effects of this utility model are as follows: When cleaning the mixing tank, rotating column, and mixing rod, the moving part moves the mixing assembly into the mixing tank. Then, the first hydraulic cylinder drives the annular scraper block and the loop-shaped liquid passage pipe to move up and down repeatedly inside the mixing tank. At the same time, the second drive motor is driven to rotate and adjust the position of multiple nozzles. The pump is started to draw cleaning water from the water storage tank and spray it out from the nozzles. During the movement of the annular scraper block, the annular scraper block can scrape off the residual material on the inner wall of the mixing tank. By adjusting the angle of the nozzles, liquid can be sprayed onto the inner wall of the mixing tank for cleaning. Furthermore, by adjusting the multiple nozzles on the spray pipe, liquid can be sprayed to clean the rotating column and mixing rod. Thus, this application can effectively clean the inner wall of the mixing tank and the rotating column and mixing rod included in the mixing assembly, saving time and effort and improving work efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the overall structure of this utility model. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the connection structure between the spiral-shaped liquid main pipe and the regulating spray pipe in this utility model.

[0015] Reference numerals: 1. Mounting plate; 2. Base; 20. Limiting groove; 3. Rectangular limiting block; 4. Mixing tank; 41. Handle; 5. First hydraulic cylinder; 6. Hoses; 7. First drive motor; 8. Second hydraulic cylinder; 9. Water storage tank; 10. Rotating column; 101. Mixing rod; 111. Annular scraper block; 112. U-shaped liquid main pipe; 113. Adjusting spray pipe; 114. Second drive motor; 115. Nozzle. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0017] Example

[0018] Please refer to Figures 1-3 A laboratory cement mortar mixer includes a mixing tank 4 and a cleaning assembly. The mixing tank 4 is provided with a mixing assembly for mixing materials along its central axis. The cleaning assembly includes a liquid guiding part and an annular scraper block 111 located around the mixing assembly and adapted to the inner wall of the mixing tank 4. A moving part is provided above the mixing tank 4, which drives the annular scraper block 111 to move along the axial direction of the mixing tank 4. Multiple sets of spraying parts are provided on the inner side of the annular scraper block 111. The cleaning liquid flows into the spraying parts through the liquid guiding part and is then sprayed out.

[0019] In an optional embodiment, a base 2 located below the mixing tank 4 is also included. The bottom of the mixing tank 4 has a rectangular limiting block 3, and the top of the base 2 is provided with a limiting groove 20 that is adapted to the rectangular limiting block 3. The mixing tank 4 can be inserted into the limiting groove 20 on the base 2 through the rectangular limiting block 3, so that the mixing tank 4 can be easily detached from or connected to the base 2, thereby facilitating the injection or discharge of materials into the mixing tank 4. The outer surface of the mixing tank 4 has a handle 41, which makes it easy to pick up the mixing tank 4.

[0020] In an optional embodiment: a mounting plate 1 is connected to the base 2, the stirring assembly includes a first drive motor 7 and a rotating column 10, the rotating column 10 is connected to the bottom output shaft of the first drive motor 7, a plurality of stirring rods 101 are connected to the rotating column 10 along the axial direction, a second hydraulic cylinder 8 is mounted on the mounting plate 1, the bottom output rod of the second hydraulic cylinder 8 is connected to the first drive motor 7, and the rotating column 10 connected to the first drive motor 7 is controlled to move along the axial direction of the stirring tank 4 by the second hydraulic cylinder 8.

[0021] In an optional embodiment: a loop-shaped liquid passage main pipe 112 is connected to the inner side of the annular scraper block 111. The liquid spraying part is provided on the inner side of the loop-shaped liquid passage main pipe 112, with a second drive motor 114 and an adjusting liquid spray pipe 113. The second drive motor 114 is mounted on the loop-shaped liquid passage main pipe 112, and the adjusting liquid spray pipe 113 is connected to the output shaft of the second drive motor 114. Several nozzles 115 are installed on the side of the adjusting liquid spray pipe 113 near the center of the annular scraper block 111 and on the bottom side of the adjusting liquid spray pipe 113.

[0022] In an optional embodiment: the moving part includes a first hydraulic cylinder 5 mounted on the mounting plate 1. The bottom output rod of the first hydraulic cylinder 5 is connected to the annular scraper block 111. The first hydraulic cylinder 5 is used to drive the annular scraper block 111 to move up and down.

[0023] In an optional embodiment: the liquid guiding part includes a water storage tank 9 mounted on the mounting plate 1, a pump body mounted on the water storage tank 9, the input end of the pump body being connected to the interior of the water storage tank 9 through a pipe, the output end of the pump body being connected to a flexible hose 6, one end of the flexible hose 6 being connected to a loop-shaped liquid main pipe 112, and the adjusting spray pipe 113 being connected to the loop-shaped liquid main pipe 112 through a flexible pipe. This application also includes a controller, a second drive motor 114, a first hydraulic cylinder 5, a second hydraulic cylinder 8, a first drive motor 7, and a pump body uniform controller that are electrically or wirelessly connected.

[0024] Specifically, when adding material to the mixing tank 4, the mixing assembly and cleaning assembly are first moved upward by the second hydraulic cylinder 8 and the first hydraulic cylinder 5. The mixing tank 4, which is filled with material, is then connected to the base 2 by inserting the rectangular limit block 3. Then, the second hydraulic cylinder 8 drives the rotating column 10 and the stirring rod 101 to move downward. The first drive motor 7 is then started, so that the multiple stirring rods 101 on the rotating column 10 stir the material. After the material stirring experiment is completed, the mixing assembly is reset, the mixing tank 4 is taken out and the material is poured out, and then the mixing tank 4 is connected to the base 2.

[0025] When cleaning the mixing tank 4, rotating column 10, and stirring rod 101, the stirring assembly is moved into the mixing tank 4 by the moving part. Then, the first hydraulic cylinder 5 is controlled to drive the annular scraper block 111 and the loop-shaped liquid passage pipe 112 to move up and down repeatedly inside the mixing tank 4. At the same time, the second drive motor 114 is driven to rotate to adjust the position of multiple nozzles 115. The pump body is started to draw cleaning water from the water storage tank 9 and spray it out from the nozzles 115. During the movement of the annular scraper block 111, the annular scraper block 111 can scrape off the residual material on the inner wall of the mixing tank 4. By adjusting the angle of the nozzles 115, liquid can be sprayed onto the inner wall of the mixing tank 4 for cleaning. The multiple nozzles 115 on the spray pipe 113 can be adjusted to spray liquid to clean the rotating column 10 and stirring rod 101. Thus, this application can effectively clean the inner wall of the mixing tank 4 and the rotating column 10 and stirring rod 101 included in the stirring assembly, saving time and effort and improving work efficiency.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A laboratory cement mortar mixer, characterized in that, The system includes a mixing tank (4) and a cleaning assembly. The mixing tank (4) is provided with a mixing assembly for mixing materials along its central axis. The cleaning assembly includes a liquid guiding part and an annular scraper block (111) located around the mixing assembly and adapted to the inner wall of the mixing tank (4). A moving part is provided above the mixing tank (4). The moving part drives the annular scraper block (111) to move along the axial direction of the mixing tank (4). Multiple sets of spraying parts are provided on the inner side of the annular scraper block (111). The cleaning liquid is flowed into the spraying parts through the liquid guiding part and then sprayed out.

2. The laboratory cement mortar mixer according to claim 1, characterized in that: It also includes a base (2) located below the mixing tank (4), the bottom of the mixing tank (4) has a rectangular limiting block (3), the top of the base (2) is provided with a limiting groove (20) adapted to the rectangular limiting block (3), and the outer surface of the mixing tank (4) has a handle (41).

3. The laboratory cement mortar mixer according to claim 2, characterized in that: The base (2) is connected to the mounting plate (1). The stirring assembly includes a first drive motor (7) and a rotating column (10). The rotating column (10) is connected to the bottom output shaft of the first drive motor (7). The rotating column (10) is connected to a plurality of stirring rods (101) along the axial direction. The mounting plate (1) is equipped with a second hydraulic cylinder (8). The bottom output rod of the second hydraulic cylinder (8) is connected to the first drive motor (7). The rotating column (10) connected to the first drive motor (7) is controlled to move along the axial direction of the stirring tank (4) by the second hydraulic cylinder (8).

4. The laboratory cement mortar mixer according to claim 3, characterized in that: The inner side of the annular scraper block (111) is connected to a spiral liquid main pipe (112). The spraying part includes a second drive motor (114) and an adjusting spray pipe (113) located inside the spiral liquid main pipe (112). The second drive motor (114) is mounted on the spiral liquid main pipe (112). The adjusting spray pipe (113) is connected to the output shaft of the second drive motor (114). Several nozzles (115) are installed on the side of the adjusting spray pipe (113) near the center of the annular scraper block (111) and on the bottom side of the adjusting spray pipe (113).

5. The laboratory cement mortar mixer according to claim 4, characterized in that: The moving part includes a first hydraulic cylinder (5) mounted on the mounting plate (1). The bottom output rod of the first hydraulic cylinder (5) is connected to the annular scraper block (111). The first hydraulic cylinder (5) is used to drive the annular scraper block (111) to move up and down.

6. The laboratory cement mortar mixer according to claim 5, characterized in that: The liquid guiding part includes a water storage tank (9) installed on the mounting plate (1). A pump body is installed on the water storage tank (9). The input end of the pump body is connected to the inside of the water storage tank (9) through a pipe. The output end of the pump body is connected to a flexible hose (6). One end of the flexible hose (6) is connected to the loop-shaped liquid main pipe (112). The regulating spray pipe (113) is connected to the loop-shaped liquid main pipe (112) through a flexible pipe.