Cement block recovery sand making machine

By using multi-stage grinding and spray dust suppression technology in the cement block recycling sand making machine, the problems of low efficiency and dust pollution of traditional equipment have been solved, and the fine grinding and environmentally friendly treatment of cement blocks have been achieved.

CN224009912UActive Publication Date: 2026-03-20ZHENGZHOU ZHENHUA HEAVY MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Traditional crushing equipment has low processing efficiency for cement blocks, making it difficult to directly grind them into sand, and the grinding process easily generates dust that pollutes the environment.

Method used

The cement block recycling sand making machine includes a crushing disc, main grinding roller, grinding blocks, grinding wall and auxiliary grinding roller. Through multi-stage grinding and spray dust suppression technology, it can achieve fine grinding of cement blocks and reduce dust.

Benefits of technology

It improves the grinding precision of cement blocks, reduces dust pollution, increases work efficiency, and enhances environmental friendliness.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224009912U_ABST
Patent Text Reader

Abstract

The utility model discloses a cement block recovery sand making machine, which comprises a shell, a main shaft and an auxiliary grinding roller, a feed inlet is arranged above the shell, the main shaft is arranged in the shell, the surface of the main shaft is sleeved with a crushing disc, a main grinding roller is fixedly installed below the crushing disc, a grinding block is fixedly installed on the surface of the main grinding roller, and the grinding block is fixedly installed on the surface of the main grinding roller. And a grinding wall is fixedly mounted on the periphery of the main grinding roller and located on the inner surface of the shell. The cement block crushing device has the beneficial effects that the crushing disc is adopted, large cement blocks entering the crushing bin are scattered into small blocks through the protruding blades on the surface of the crushing disc, the situation that the large cement blocks clamp the main grinding roller is prevented, meanwhile, the working pressure of the main grinding roller is reduced, the main grinding roller is of a cylindrical trapezoidal structure, the grinding blocks and the grinding wall are adopted, and the grinding efficiency is improved. The distance between the main grinding roller and the grinding wall is narrower from top to bottom, cement blocks can be ground for multiple times from top to bottom, and grinding blocks are fixedly installed on the surfaces of the main grinding roller and the grinding wall, so that the cement blocks can be ground more finely.
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Description

TECHNICAL FIELD

[0001] The utility model relates to crushing equipment technical field, specifically, relate to cement block recycling sand making machine. BACKGROUND

[0002] The recycling space of cement block is very big, can be handled, be used for mortar or be made into building material products such as block, wallboard, floor tile etc., or can add solidified material, be used for highway pavement base, also often be used to make environmental protection brick, thermal insulation material, thermal insulation wall of wall body periphery, dry-mixed mortar etc., therefore give birth to a series of cement block processing industry. The process of processing waste cement block is similar to the manufacturing process of natural aggregate, that is, through the reasonable combination of crushing equipment, screening equipment, conveying equipment etc., waste cement block is crushed and handled, thereby realizing the recycling of renewable resources, and the crushing equipment plays the most critical role, the traditional crushing and grinding equipment can only be roughly crushed or repeatedly crushed for several times to achieve fine cement block powder, and the working efficiency is low, it is difficult to directly grind the cement block into sand, and dust pollution is easily generated in the process of crushing and grinding.

[0003] For the problems in the related art, no effective solution has been proposed so far. CONTENT OF THE UTILITY MODEL

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a cement block recycling sand making machine, which has the advantages of fine grinding and less dust, thereby solving the problems in the above background technology.

[0006] (II) technical scheme

[0007] To achieve the above-mentioned advantages of fine grinding and less dust, the utility model adopts the following specific technical scheme:

[0008] The cement block recycling sand making machine comprises an outer shell, a main shaft and a secondary grinding roller, a feeding port is formed in the upper portion of the outer shell, and the main shaft is arranged inside the outer shell, a crushing disc is sleeved on the surface of the main shaft, and a main grinding roller is fixedly installed below the crushing disc, grinding blocks are fixedly installed on the surface of the main grinding roller, and a grinding wall is fixedly installed on the inner surface of the outer shell around the main grinding roller, a cleaning plate is sleeved on the surface of the main shaft below the main grinding roller, a first speed regulating motor is fixedly installed on the lower portion of one side of the outer shell through bolts, and the first speed regulating motor is rotationally connected with the secondary grinding roller through a transmission belt, a baffle is arranged below the secondary grinding roller, and a conveyor belt is arranged below the baffle, a spray head is arranged above the conveyor belt, support legs are welded below the first speed regulating motor, a second speed regulating motor is fixedly installed on one side of the outer shell, and a maintenance door is fixedly installed on the surface of the outer shell through bolts.

[0009] Further, the second speed-regulating motor output end is rotatably connected with the main shaft through a transmission belt.

[0010] Further, the grinding block is arranged on the surface of the main grinding roller and the grinding wall.

[0011] Further, the surface of the auxiliary grinding roller is provided with a plurality of teeth.

[0012] Further, a gear is arranged on the side of the auxiliary grinding roller and penetrates through the shell sleeve, and a transmission belt wheel is fixedly arranged on the shaft center.

[0013] Further, the auxiliary grinding roller is provided with two, and the two auxiliary grinding rollers are connected through the gear engagement.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the cement block recycling sand making machine has the following beneficial effects:

[0016] (1) The cement block recycling sand making machine has the following beneficial effects: the larger cement block entering the crushing bin is broken into smaller blocks through the blade on the surface of the crushing disc, so that the larger cement block is prevented from being stuck in the main grinding roller, and the working pressure of the main grinding roller is reduced; the main grinding roller, the grinding block and the grinding wall are adopted, the main grinding roller has a cylindrical trapezoidal structure, the distance between the main grinding roller and the grinding wall becomes narrower from top to bottom, the cement block can be ground multiple times from top to bottom, and the grinding block fixedly arranged on the surface of the main grinding roller and the grinding wall can make the cement block be ground more finely, and the next round of processing is facilitated.

[0017] (2) The cement block recycling sand making machine has the following beneficial effects: the smaller cement block that has not been ground into sand by the main grinding roller can be ground into sand again by the auxiliary grinding roller, the multi-stage grinding makes the cement block be ground more finely, the spray head arranged above the conveying belt can be connected with an external water source to spray water, dust is removed by the water mist, and the smoke and dust dispersed outward during the grinding process is reduced, so that the cement block recycling sand making machine is more environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Fig. 1 is a schematic view of the internal structure of the cement block recycling sand making machine according to the present application;

[0020] Fig. 2 is a schematic view of the external structure of the cement block recycling sand making machine according to the present application;

[0021] Fig. 3 It is the structure schematic view of the crushing disc of the cement block recycling sand making machine provided by the utility model.

[0022] In the drawing,

[0023] 1, shell; 2, feed inlet; 3, crushing disc; 4, main grinding roller; 5, grinding block; 6, grinding wall; 7, first speed regulation motor; 8, auxiliary grinding roller; 9, baffle; 10, main shaft; 11, second speed regulation motor; 12, cleaning plate; 13, spray head; 14, conveying belt; 15, supporting leg; 16, maintenance door. DETAILED DESCRIPTION

[0024] To further illustrate the embodiments, the utility model provides drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperate with reference to these contents, and the person skilled in the art should understand other possible implementation modes and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0025] According to the embodiments of the utility model, the cement block recycling sand making machine is provided.

[0026] The utility model will be further illustrated by combining with the specific embodiment and the drawing, as Figs. 1-3 As shown in the utility model embodiment, the cement block recycling sand making machine comprises a shell 1, a main shaft 10 and an auxiliary grinding roller 8, the upper portion of the shell 1 is provided with a feed inlet 2, the inside of the shell 1 is provided with the main shaft 10, the surface of the main shaft 10 is sleeved with a crushing disc 3, the crushing disc 3 is fixedly installed below the main grinding roller 4, the surface of the main grinding roller 4 is fixedly installed with a grinding block 5, the inside surface of the shell 1 around the main grinding roller 4 is fixedly installed with a grinding wall 6, the surface of the main shaft 10 below the main grinding roller 4 is sleeved with a cleaning plate 12, the lower portion of one side of the shell 1 is fixedly installed with a first speed regulation motor 7 through bolts, the first speed regulation motor 7 is rotationally connected with the auxiliary grinding roller 8 through a transmission belt, the lower portion of the auxiliary grinding roller 8 is provided with a baffle 9, the lower portion of the baffle 9 is provided with a conveying belt 14, the upper portion of the conveying belt 14 is provided with a spray head 13, the lower portion of the first speed regulation motor 7 is welded with a supporting leg 15, one side of the shell 1 is fixedly installed with a second speed regulation motor 11, and the surface of the shell 1 is fixedly installed with a maintenance door 16 through bolts.

[0027] In one embodiment, the output end of the second speed regulation motor 11 is rotationally connected with the main shaft 10 through a transmission belt, for driving the main shaft 10.

[0028] In one embodiment, the surface of the main grinding roller 4 and the grinding wall 6 is provided with multiple groups of grinding blocks 5, facilitating the crushing of cement blocks.

[0029] In one embodiment, the surface of the secondary grinding roller 8 is provided with teeth to make the crushing more fine.

[0030] In one embodiment, the shaft of the secondary grinding roller 8 on one side penetrates the outer shell 1 and is connected with a gear, and a transmission pulley is fixedly installed at the shaft center to drive the secondary grinding roller 8.

[0031] In one embodiment, two secondary grinding rollers 8 are provided and connected through gear engagement to make the two groups of secondary grinding rollers (8) rotate in opposite directions.

[0032] Working principle:

[0033] Through the adoption of the crushing disc 3, the large cement blocks entering the crushing chamber are scattered into smaller blocks through the protruding blades on the surface of the crushing disc 3, preventing the large cement blocks from being stuck in the primary grinding roller 4 and reducing the working pressure of the primary grinding roller 4. Through the adoption of the primary grinding roller 4, the grinding block 5 and the grinding wall 6, the primary grinding roller 4 is in a cylindrical trapezoidal structure, and the distance to the grinding wall 6 becomes narrower from top to bottom, so that the cement blocks can be ground multiple times from top to bottom. The grinding block 5 fixedly installed on the surface of the primary grinding roller 4 and the grinding wall 6 can make the cement blocks more finely ground, and facilitate the next round of processing. Through the adoption of the secondary grinding roller 8, the small cement blocks that have not been ground into sand by the primary grinding roller 4 can be ground into sand again. Multi-stage grinding makes the cement blocks more finely ground. The spray head 13 provided above the conveying belt 14 can be connected to an external water source for spraying, and the dust can be removed through the water mist, reducing the smoke and dust scattered outward during the grinding process to make it more environmentally friendly.

[0034] In the utility model, unless another definite provision and limitation, the terms "installation", "arrangement", "connection", "fixation" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirect connection through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0035] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A cement block recycling sand making machine, comprising a casing (1), a main shaft (10), and auxiliary grinding rollers (8), characterized in that, A feed inlet (2) is provided on the top of the outer shell (1), and a main shaft (10) is provided inside the outer shell (1). A crushing disc (3) is sleeved on the surface of the main shaft (10), and a main grinding roller (4) is fixedly installed below the crushing disc (3). A grinding block (5) is fixedly installed on the surface of the main grinding roller (4), and a grinding wall (6) is fixedly installed around the main grinding roller (4) on the inner surface of the outer shell (1). A cleaning plate (12) is sleeved on the surface of the main shaft (10) below the main grinding roller (4). One side of the outer shell (1) has a passageway. The first speed-regulating motor (7) is fixedly installed by bolts, and the first speed-regulating motor (7) is rotatably connected to the auxiliary grinding roller (8) via a transmission belt. There is a baffle (9) below the auxiliary grinding roller (8), and a conveyor belt (14) is provided below the baffle (9). A spray head (13) is provided above the conveyor belt (14). A support leg (15) is welded below the first speed-regulating motor (7). The outer shell (1) is fixedly installed with a second speed-regulating motor (11) on one side, and a maintenance compartment door (16) is fixedly installed on the surface of the outer shell (1) by bolts.

2. The cement block recycling sand making machine according to claim 1, characterized in that, The output end of the second speed-regulating motor (11) is rotatably connected to the main shaft (10) via a transmission belt.

3. The cement block recycling sand making machine according to claim 1, characterized in that, The grinding blocks (5) are provided in multiple sets on the surfaces of the main grinding roller (4) and the grinding wall (6).

4. The cement block recycling sand making machine according to claim 1, characterized in that, The surface of the auxiliary grinding roller (8) is provided with teeth.

5. The cement block recycling sand making machine according to claim 1, characterized in that, The auxiliary grinding roller (8) has a gear installed on one side of the outer shell (1) through the shaft, and a transmission pulley is fixedly installed at the center of the shaft.

6. The cement block recycling sand making machine according to claim 1, characterized in that, The auxiliary grinding roller (8) is provided in two parts and is connected by gear meshing.