Screening machine for preparing dry-mixed mortar

Abstract

The utility model relates to the technical field of dry-mixed mortar preparation, and particularly discloses a screening machine for preparing dry-mixed mortar. Comprising a shell, an end cover detachably connected with the shell, a vibration motor arranged at the bottom of the shell, a vibration disc penetrating into the shell and connected with the vibration motor, a screening assembly detachably connected to the vibration disc and penetrating through the shell, and an auxiliary screening structure arranged on the vibration disc and used for assisting the screening assembly in screening. The device solves the problem that a traditional screening machine cannot screen different raw materials at the same time.

Description

Technical Field

[0001] This application relates to the technical field of dry-mixed mortar preparation, and specifically discloses a screening machine for preparing dry-mixed mortar. Background Art

[0002] Mortar is a bonding substance used for bricklaying in construction. It is made by mixing a certain proportion of sand and cementitious materials (such as cement, lime paste, clay, etc.) with water. It is also called mortar or grout.

[0003] Commonly used mortars include cement mortar, mixed mortar (or cement-lime mortar), lime mortar, and clay mortar;

[0004] Dry-mixed mortar, also known as dry powder mortar, is also called mortar dry powder, dry-mixed mortar, or dry-mixed powder. It refers to a granular or powdery material obtained by physically mixing dried and screened aggregates (such as quartz sand), inorganic cementitious materials (such as cement), and additives (such as polymers) in a certain proportion. It is transported to the construction site in bags or bulk, and can be directly used after adding water and mixing.

[0005] Before the mixing process of dry-mixed mortar, it is necessary to screen each raw material first to narrow the size distribution of each raw material. The reason for screening is that after ensuring that the sizes of each raw material are similar, the quality of the dry-mixed mortar after mixing can be improved, enabling it to meet the usage conditions;

[0006] Currently, there are many multi-stage screening machines that can complete the screening operation. However, as mentioned above, there are many types of raw materials for dry-mixed mortar. Therefore, multiple screening machines are required to ensure consistent screening efficiency, which will lead to an increase in cost and a mismatch in production efficiency. In view of this, the inventor proposes a screening machine for preparing dry-mixed mortar. Utility Model Content

[0007] The purpose of the present utility model is to solve the problem that traditional screening machines cannot screen different raw materials simultaneously.

[0008] To achieve the above purpose, the basic solution of the present utility model provides

[0009] A screening machine for preparing dry-mixed mortar, comprising a housing, an end cover detachably connected to the housing, a vibration motor arranged at the bottom of the housing, a vibrating plate penetrating into the interior of the housing and connected to the vibration motor, a screening assembly detachably connected to the vibrating plate and penetrating through the housing, and an auxiliary screening structure for screening by an auxiliary screening assembly arranged on the vibrating plate.

[0010] The principle and effect of this basic solution are as follows:

[0011] 1. Compared with the prior art, the structure of this device is simple. This device uses a vibration motor as the driving source, and utilizes the vibration force of the vibration motor to make the vibrating disk vibrate. When the vibrating disk vibrates, the screening assembly vibrates accordingly, and the screening function of the screening assembly is utilized.

[0012] 2. Compared with the prior art, this device is provided with a plurality of screening assemblies that do not interfere with each other and are independent of each other. By using the screening assemblies that do not interfere with each other and are independent of each other, different raw materials can be screened simultaneously, and the screening processes will not interfere with each other, thus solving the problem that traditional screening machines cannot screen different raw materials simultaneously.

[0013] 3. Compared with the prior art, this device is provided with an auxiliary screening structure. By using the auxiliary screening structure to assist the screening assembly, the raw materials located in the screening assembly can be more dispersed and less likely to accumulate, which is beneficial for the subsequent screening of the raw materials by the screening assembly.

[0014] 4. Compared with the prior art, this device is easy to install, simple to operate, and has a low maintenance cost, and has a certain universality.

[0015] Furthermore, it further includes a support assembly. The support assembly includes a chassis and a plurality of support columns fixedly connected to the chassis. The free ends of the support columns are fixedly connected to the bottom of the housing. The size of the chassis is larger than the size of the housing, and the contact surface between the chassis and the ground is made of rubber material. This improves the installation stability of this device.

[0016] Furthermore, the end cover is threadedly connected to the housing. The outer periphery of the end cover is provided with an external thread, and the inner wall of the housing is provided with an internal thread. The external thread is threadedly connected to the internal thread, and a grab bar is fixedly connected to the end of the end cover away from the housing. This realizes the detachable connection of the end cover, which is convenient for subsequent maintenance and repair.

[0017] Furthermore, the end cover is provided with through holes with the same number as the screening assemblies, and the bottom of the housing is provided with threaded holes with the same number as the screening assemblies. This realizes the normal and reasonable installation of the screening assemblies.

[0018] Furthermore, the screening assembly includes a screening pipe, a threaded through pipe communicated with the screening pipe, a threaded discharge pipe communicated with the threaded through pipe, a screening mesh assembly arranged on the inner side wall of the screening pipe, a slow-speed material distribution assembly arranged inside the screening pipe and above the screening mesh assembly, and a closed cover detachably connected to the screening pipe. The threaded discharge pipe is threadedly connected to the threaded hole, and the through hole penetrates through the housing upwards from the screening pipe. This realizes the vibrating screening of the raw materials on the screening mesh assembly and the decelerated falling of the raw materials under the slow-speed material distribution assembly, and makes the raw materials more dispersed.

[0019] Furthermore, the slow-speed material distribution assembly is composed of a plurality of inclined plates arranged in a staggered and inclined manner.

[0020] Furthermore, the screening mesh assembly is detachably connected to the inner wall of the screening pipe. The screening mesh assembly includes mounting grooves symmetrically formed on the inner wall of the screening pipe, a screening mesh frame, a screening mesh body arranged inside the screening mesh frame, springs arranged on the outer periphery of the screening mesh frame, and extrusion blocks arranged at the free ends of the springs. The extrusion blocks can be placed into the mounting grooves, and the surfaces of the extrusion blocks are provided with extrusion stress points. The installation and disassembly of the screening mesh assembly are realized, which facilitates the subsequent replacement and cleaning of the screening mesh assembly.

[0021] Furthermore, the auxiliary screening structure includes threaded grooves formed on the vibrating disk and having the same number as the screening assemblies, and auxiliary screening rods threadedly connected to the threaded grooves. The auxiliary screening rods include bottom rods threadedly connected to the threaded grooves, main rods coaxially connected to the bottom rods, a plurality of rotating rods rotatably connected to the main rods, and connecting sleeves arranged on the rotating rods for connecting the screening pipes.

[0022] Furthermore, the connecting sleeve is made of rubber material. The rubber material has a certain elastic deformation, which is beneficial to the connection between the connecting sleeve and the screening pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0024] Figure 1 FIG. 1 shows a schematic structural diagram of a screening machine for preparing dry-mixed mortar according to an embodiment of the present application;

[0025] Figure 2 FIG. 2 shows an internal flow chart of a screening machine for preparing dry-mixed mortar according to an embodiment of the present application;

[0026] Figure 3 FIG. 3 shows a schematic structural diagram of a screening pipe in a screening machine for preparing dry-mixed mortar according to an embodiment of the present application;

[0027] Figure 4 FIG. 4 shows a schematic structural diagram of a screening mesh assembly in a screening machine for preparing dry-mixed mortar according to an embodiment of the present application;

[0028] Figure 5 FIG. 5 shows a schematic structural diagram of an auxiliary screening rod in a screening machine for preparing dry-mixed mortar according to an embodiment of the present application;

[0029] Figure 6 FIG. 6 shows a front view schematic diagram of a screening machine for preparing dry-mixed mortar according to an embodiment of the present application Figure 1 in the present application. Detailed implementation manners

[0030] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following will, in conjunction with the accompanying drawings and preferred embodiments, elaborate in detail on the specific implementation manners, structures, features and their effects of the present utility model as follows.

[0031] The reference numerals in the accompanying drawings of the specification include: vibration motor 1, threaded discharge pipe 2, vibrating disk 3, screening pipe 4, closing cover 5, threaded groove 6, main rod 7, auxiliary screening structure 8, connecting sleeve 9, threaded through pipe 10, inclined plate 11, screening net assembly 12, screening net frame 1201, screening net body 1202, spring 1203, extrusion block 1204, extrusion force application point 1205, bottom rod 13, rotating rod 14, chassis 16, support column 17, housing 18, end cover 19, grab rod 20.

[0032] As shown in the embodiments of Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 shown:

[0033] A screening machine for preparing dry-mixed mortar includes a housing 18, an end cover 19 detachably connected to the housing 18, a vibration motor 1 provided at the bottom of the housing 18, a vibrating disk 3 penetrating into the interior of the housing 18 and connected to the vibration motor 1, a plurality of screening components detachably connected to the vibrating disk 3 and penetrating through the housing 18, and an auxiliary screening structure 8 for screening provided on the vibrating disk 3.

[0034] Regarding the entire device, a support assembly is further included. The support assembly includes a chassis 16 and a plurality of support columns 17 fixedly connected to the chassis 16. The free ends of the support columns 17 are fixedly connected to the bottom of the housing 18. The size of the chassis 16 is larger than that of the housing 18, and the contact surface of the chassis 16 with the ground is made of rubber material. This improves the installation stability of the device.

[0035] The end cover 19 is threadedly connected to the housing 18. Specifically: an external thread is provided on the outer periphery of the end cover 19, an internal thread is provided on the inner wall of the housing 18, and the external thread is threadedly connected to the internal thread. A grab rod 20 is fixedly connected to the upper end of the end cover 19 away from the housing 18. This realizes the detachable connection of the end cover 19, facilitating subsequent maintenance and servicing.

[0036] In terms of installation: through holes with the same number as the screening components are provided on the end cover 19, and threaded holes with the same number as the screening components are provided on the bottom of the housing 18. This realizes the normal and reasonable installation of the screening components.

[0037] Regarding the screening assembly: The screening assembly includes a screen pipe 4, a threaded through pipe 10 communicated with the screen pipe 4, a threaded discharge pipe 2 communicated with the threaded through pipe 10, a screening mesh assembly 12 arranged on the inner side wall of the screen pipe 4, a slow-speed material distribution assembly arranged inside the screen pipe 4 and above the screening mesh assembly 12, and a closing cover 5 detachably connected to the screen pipe 4. The threaded discharge pipe 2 is threadedly connected to the threaded hole, and the through hole of the screen pipe 4 penetrates upward through the housing 18. It realizes the vibration screening of the raw materials on the screening mesh assembly 12 and the slow-down falling of the raw materials under the slow-speed material distribution assembly, making the raw materials more dispersed.

[0038] The slow-speed material distribution assembly is composed of a number of inclined plates 11 arranged alternately and obliquely.

[0039] The screening mesh assembly 12 is detachably connected to the inner side wall of the screen pipe 4. The screening mesh assembly 12 includes mounting grooves symmetrically opened on the inner side wall of the screen pipe 4, a screening mesh frame 1201, a screening mesh body 1202 arranged inside the screening mesh frame 1201, springs 1203 arranged on the outer periphery of the screening mesh frame 1201, and extrusion blocks 1204 arranged at the free ends of the springs 1203. The extrusion blocks 1204 can be placed in the mounting grooves, and the surfaces of the extrusion blocks 1204 are provided with extrusion stress points 1205. It realizes the installation and disassembly of the screening mesh assembly 12, facilitating the subsequent replacement and cleaning of the screening mesh assembly 12.

[0040] Specifically: The auxiliary screening structure 8 includes threaded grooves 6 opened on the vibrating disk 3 and having the same number as the screening assemblies, and auxiliary screening rods threadedly connected to the threaded grooves 6. The auxiliary screening rods include bottom rods 13 threadedly connected to the threaded grooves 6, main rods 7 coaxially connected to the bottom rods 13, a number of rotating rods 14 rotatably connected to the main rods 7, and connecting sleeves 9 arranged on the rotating rods 14 for connecting the screen pipes 4. The connecting sleeves 9 are made of rubber material. The rubber material has a certain elastic deformation, which is beneficial to the connection between the connecting sleeves 9 and the screen pipes 4.

[0041] Specific implementation process:

[0042] First step, start the vibration motor 1, and put the raw materials to be mixed into their respective screen pipes 4 according to their respective types. The screen pipes 4 need to open the closing covers 5. After the raw materials enter the screen pipes 4, the first thing they contact is the slow-speed material distribution assembly. Since the slow-speed material distribution assembly is composed of a number of inclined plates 11 arranged alternately and obliquely, under the action of the inclined plates 11, the raw materials fall slowly, giving time for subsequent vibration screening and avoiding the problem of poor screening effect caused by the rapid accumulation of raw materials. Secondly, under the action of the inclined plates 11, the raw materials can be made more dispersed;

[0043] In the second step, after the raw materials pass through the slow-speed feeding component, they fall onto the screening mesh body 1202. Due to the action of the vibration motor 1, the screening mesh body 1202 vibrates. Under the action of the vibration of the screening mesh body 1202, the raw materials that meet the caliber requirements pass through the sieve, and those that do not meet the requirements stay;

[0044] In the third step, the raw materials that meet the caliber requirements pass through the sieve and flow out from the threaded discharge pipe 2. They can be collected manually, and then the mixing work of the subsequent dry-mixed mortar can be started.

[0045] This device solves the problem that traditional screening machines cannot screen different raw materials at the same time.

[0046] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A screening machine for preparing dry-mix mortar, characterized in that: The invention comprises a shell, an end cover detachably connected to the shell, a vibration motor arranged at the bottom of the shell, a vibration plate penetrating into the shell and connected to the vibration motor, a plurality of screening components detachably connected to the vibration plate and passing through the shell, and an auxiliary screening structure for screening by auxiliary screening components arranged on the vibration plate.

2. A screening machine for preparing dry-mix mortar according to claim 1, characterized in that: It also includes a support assembly, which includes a chassis and a plurality of support columns fixed to the chassis, the free ends of the support columns are fixed to the bottom of the shell, the size of the chassis is larger than the size of the shell, the chassis is in contact with the ground and the contact surface with the ground is made of rubber material.

3. A screening machine for preparing dry-mix mortar according to claim 1, characterized in that: The end cover is threadedly connected to the shell. The outer periphery of the end cover is provided with an external thread, the inner wall of the shell is provided with an internal thread, the external thread is threadedly connected to the internal thread, and a grab rod is fixedly connected to one end of the end cover away from the shell.

4. A screening machine for preparing dry-mix mortar according to claim 1, characterized in that: The end cover is provided with through holes of the same number as the screening assembly, and the bottom of the shell is provided with threaded holes of the same number as the screening assembly.

5. A screening machine for preparing dry-mix mortar according to claim 4, characterized in that: The screening assembly includes a screening tube, a threaded through pipe connected to the screening tube, a threaded discharge pipe connected to the threaded through pipe, a screening mesh assembly arranged on the inner wall of the screening tube, a slow-down material distribution assembly arranged inside the screening tube and above the screening mesh assembly, and a closing cover detachably connected to the screening tube, the threaded discharge pipe is threadedly connected to the threaded hole, and the through-hole screening tube passes through the shell upward.

6. A screening machine for preparing dry-mixed mortar according to claim 5, characterized in that: The slow-speed material distribution component is composed of a plurality of inclined plates which are staggered and inclinedly arranged.

7. A screening machine for preparing dry-mixed mortar according to claim 5, characterized in that: The screening mesh assembly is detachably connected to the inner wall of the screening tube, and comprises a mounting groove symmetrically opened on the inner wall of the screening tube, a screening mesh frame, a screening mesh body arranged in the screening mesh frame, a spring arranged on the outer periphery of the screening mesh frame and an extrusion block arranged at the free end of the spring, wherein the extrusion block can be placed in the mounting groove, and an extrusion force point is arranged on the surface of the extrusion block.

8. A screening machine for preparing dry-mix mortar according to claim 7, characterized in that: The auxiliary screening structure includes thread grooves opened on the vibration plate and the same number as the screening assembly, and auxiliary screening rods threadedly connected to the thread grooves. The auxiliary screening rods include a bottom rod threadedly connected to the thread grooves, a main rod coaxially connected to the bottom rod, a plurality of rotating rods rotatably connected to the main rod, and a connecting sleeve arranged on the rotating rod for connecting the screening pipe.

9. A screening machine for preparing dry-mix mortar according to claim 8, characterized in that: The connecting sleeve is made of rubber.

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