Limestone crushing device for aerated concrete block preparation
By designing the upper and lower dust-proof mechanism in the limestone crushing device, and using the cooperation of support springs, oblique sliders and shielding plates, the problem of stone powder floating during limestone crushing is solved, the health and environment of staff are protected, and the health of staff and the environment is ensured. Effective discharge of stone powder.
Patent Information
- Application Number
- CN202421014514.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-02-21
- Estimated Expiration
- 2034-05-11
AI Technical Summary
In the prior art, a large amount of stone powder is generated during the crushing process of limestone, causing dust to float in the air, endangering the health of staff and polluting the environment.
A limestone crushing device for preparation of aerated concrete blocks is designed, using an upper dust block and a lower dust blocking mechanism. By combining support springs, oblique sliders, connecting rods and shielding plates, the feed hopper and material guide are realized. Sealing the barrel to prevent the stone powder from drifting away.
It effectively prevents the stone powder from floating in the air during the crushing process, protects the health of staff, avoids environmental pollution, and ensures the effective discharge of the stone powder through the use of spiral guide rods.
Smart Images
Figure CN222511011U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of limestone crushing devices, in particular to a limestone crushing device for preparing aerated concrete blocks. Background Art
[0002] Aerated concrete is a lightweight porous silicate product made of siliceous materials (sand, fly ash and silicon-containing tailings, etc.) and calcareous materials (lime, cement) as the main raw materials, mixed with gas-generating agent (aluminum powder), and made through batching, mixing, pouring, pre-curing, cutting, autoclaving, curing and other processes. Limestone is the raw material used in aerated concrete processing, and limestone crushing device is a kind of equipment for crushing limestone.
[0003] However, in the prior art, when limestone is processed, when the limestone is crushed by external force, the rock minerals and other substances attached to the surface of the stone will be separated from the stone due to the action of the external force to form stone powder. Since a large amount of stone powder will be generated during both feeding and discharging, the crushed stone powder will float in the air and then be inhaled into the body by the surrounding workers, thereby causing harm to the workers and polluting the environment. Therefore, a limestone crushing device for preparing aerated concrete blocks is proposed. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that a large amount of stone powder will be generated during feeding and discharging, the crushed stone powder will float in the air and then be inhaled into the bodies of surrounding workers, thereby causing harm to the workers and polluting the environment. A limestone crushing device for preparing aerated concrete blocks is proposed to solve the problem that a large amount of stone powder will be generated during feeding and discharging, the crushed stone powder will float in the air and then be inhaled into the bodies of surrounding workers, thereby causing harm to the workers and polluting the environment.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a limestone crushing device for preparing aerated concrete blocks, comprising a supporting frame and a crushing mechanism, an upper dust shielding mechanism is fixedly installed on the upper end of the supporting frame, a lower dust shielding mechanism is arranged at the lower end of the crushing mechanism, the upper dust shielding mechanism comprises a feed hopper, shielding plates are rotatably installed inside the feed hopper and at the edges of both sides, inclined grooves are opened on the front and rear side walls inside the feed hopper, support springs are fixedly installed on the inner bottom ends of four groups of the inclined grooves, inclined sliding blocks are slidably installed inside the four groups of the inclined grooves, and connecting rods are arranged at the lower ends of the shielding plates;
[0006] The lower dust blocking mechanism includes a material guide cylinder, a material discharge box is installed through the lower end of the material guide cylinder, a spiral material guide rod is rotatably installed inside the material guide cylinder, a driving assembly is fixedly installed on the upper end of the material discharge box, and a transmission assembly is fixedly installed on the output end of the driving assembly.
[0007] Preferably, a material discharge frame is fixedly mounted on the lower end of the material discharge box, and one end of the spiral material guide rod passes through the material guide cylinder and is fixed to the transmission end of the transmission assembly.
[0008] Preferably, inclined guide plates are fixedly installed inside the feed hopper and near the edges on both sides, and the other ends of the four groups of support springs are respectively fixed to the lower ends of the four groups of inclined sliding blocks.
[0009] Preferably, oblique stoppers are fixedly installed at the upper end of the support frame and near the four corners, and the crushing mechanism is fixedly installed inside the support frame.
[0010] Preferably, the upper end of the material guide cylinder is fixed to the lower end of the crushing mechanism, and the discharge port of the crushing mechanism coincides with the feed port of the material guide cylinder.
[0011] Preferably, one end of the four groups of inclined blocks are in contact with the outer wall of the feed hopper respectively, and the lower end of the feed hopper is fixed to the upper end of the crushing mechanism.
[0012] Preferably, the lower ends of the two groups of inclined guide plates are in contact with the upper ends of the two groups of shielding plates respectively, and the two ends of the two groups of connecting rods are fixed to one end of the four groups of inclined sliding blocks respectively.
[0013] Compared with the prior art, the advantages and positive effects of the utility model are:
[0014] 1. In the utility model, by providing a lower dust shield mechanism, with the cooperation of four groups of supporting springs, four groups of inclined sliding blocks, two groups of connecting rods and two groups of shielding plates, the two groups of shielding plates can be reset to their original positions, so that the feed hopper can be sealed to prevent stone powder from floating in the air and being inhaled by the staff, so that the health of the staff can be guaranteed and pollution to the environment can be prevented. Secondly, by providing two groups of inclined guide plates, the limestone entering the feed hopper can be guided to accelerate the falling of the limestone.
[0015] 2. In the utility model, by providing an upper dust shielding mechanism, with the cooperation of the guide barrel, the spiral guide rod transmission assembly and the drive assembly, the discharged stone powder can be transported away, the stone powder is discharged through the guide barrel, and discharged along the discharge frame, thereby preventing the crushed stone powder from floating in the air during the discharge, preventing the staff from inhaling the stone powder into their bodies, and preventing pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a limestone crushing device for preparing aerated concrete blocks;
[0017] Figure 2A three-dimensional diagram of a feed hopper of a limestone crushing device for preparing aerated concrete blocks proposed in the utility model;
[0018] Figure 3 A cross-sectional view of an upper dust shielding mechanism of a limestone crushing device for preparing aerated concrete blocks proposed in the utility model;
[0019] Figure 4 This is a partial three-dimensional diagram of an upper dust shielding mechanism of a limestone crushing device for preparing aerated concrete blocks proposed in the utility model;
[0020] Figure 5 The utility model provides a bottom view of a lower dust shielding mechanism of a limestone crushing device for preparing aerated concrete blocks.
[0021] Legend: 1. Support frame; 11. Crushing mechanism; 12. Oblique stopper; 2. Upper dust shield; 21. Feed hopper; 22. Shielding plate; 23. Oblique guide plate; 24. Oblique slot; 25. Support spring; 26. Oblique slider; 27. Connecting rod; 3. Lower dust shield; 31. Guide barrel; 32. Discharge box; 33. Transmission assembly; 34. Spiral guide rod; 35. Drive assembly; 36. Discharge frame. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0024] Embodiment 1
[0025] like Figure 1As shown in Figure 5, the utility model provides a limestone crushing device for preparing aerated concrete blocks, including a supporting frame 1 and a crushing mechanism 11. An upper dust shielding mechanism 2 is fixedly installed on the upper end of the supporting frame 1, and a lower dust shielding mechanism 3 is arranged at the lower end of the crushing mechanism 11. The upper dust shielding mechanism 2 includes a feed hopper 21, and shielding plates 22 are rotatably installed inside the feed hopper 21 and at the edges of both sides. The front and rear side walls of the feed hopper 21 are provided with inclined grooves 24, and the bottom ends of the four groups of inclined grooves 24 are fixedly installed with support springs 25, and the insides of the four groups of inclined grooves 24 are slidably installed with inclined slide blocks 26, and the lower ends of the shielding plates 22 are provided with connecting rods. The connecting rod 27 and the inclined guide plates 23 are fixedly installed inside the feed hopper 21 and near the edges on both sides. The other ends of the four groups of support springs 25 are respectively fixed to the lower ends of the four groups of inclined sliding blocks 26. The lower ends of the two groups of inclined guide plates 23 are respectively in contact with the upper ends of the two groups of shielding plates 22. The two ends of the two groups of connecting rods 27 are respectively fixed to one end of the four groups of inclined sliding blocks 26. The upper end of the support frame 1 and near the four corners are fixedly installed with inclined blocks 12. The crushing mechanism 11 is fixedly installed inside the support frame 1. One ends of the four groups of inclined blocks 12 are respectively in contact with the outer wall of the feed hopper 21, and the lower end of the feed hopper 21 is fixed to the upper end of the crushing mechanism 11.
[0026] The following is a detailed description of the specific settings and functions of this embodiment. By setting up the upper dust shielding mechanism 2, when the limestone is introduced into the feed hopper 21, the weight of the limestone itself will press down the two groups of baffles 22, and the two groups of baffles 22 will press the two groups of connecting rods 27. The two groups of connecting rods 27 drive the two groups of inclined slide blocks 26 fixed thereto to move downward, so that the four groups of inclined slide blocks 26 slide inside the four groups of inclined grooves 24 respectively, and at the same time, the other parts of the two groups of baffles 22 rotate inside the feed hopper 21. At this time, the four groups of inclined slide blocks 26 squeeze the four groups of support springs 25, so that the four groups of support springs 25 are respectively compressed inside the four groups of inclined grooves 24, so that the limestone falls into the crushing mechanism 11. Secondly, in the four groups of support Under the elastic force of the support springs 25, the four groups of support springs 25 push the four groups of inclined slide blocks 26 to slide upward inside the four groups of inclined grooves 24, and the four groups of inclined slide blocks 26 drive the two groups of connecting rods 27 to move upward, and the two groups of connecting rods 27 push the two groups of baffles 22 to move upward, and the other ends of the two groups of baffles 22 rotate inside the feed hopper 21, so that the two groups of baffles 22 are reset to their original positions, so that the feed hopper 21 can be sealed to prevent stone powder from floating in the air and from being inhaled into the body of the staff, so that the health of the staff can be guaranteed and pollution to the environment can be prevented. Secondly, by providing two groups of inclined guide plates 23, the limestone entering the feed hopper 21 can be guided to accelerate the falling of the limestone.
[0027] Embodiment 2
[0028] like Figure 1and Figure 5 As shown, the lower dust blocking mechanism 3 includes a material guide cylinder 31, a material discharge box 32 is installed through the lower end of the material guide cylinder 31, a spiral material guide rod 34 is rotatably installed inside the material guide cylinder 31, a driving assembly 35 is fixedly installed on the upper end of the material discharge box 32, a transmission assembly 33 is fixedly installed on the output end of the driving assembly 35, a material discharge frame 36 is fixedly installed on the lower end of the material discharge box 32, one end of the spiral material guide rod 34 passes through the material guide cylinder 31 and is fixed to the transmission end of the transmission assembly 33, the upper end of the material guide cylinder 31 is fixed to the lower end of the crushing mechanism 11, and the discharge port of the crushing mechanism 11 coincides with the feed port of the material guide cylinder 31.
[0029] The effect achieved by the entire embodiment is that by providing a lower dust blocking mechanism 3, the driving component 35 is started to run, and the driving component 35 drives the spiral guide rod 34 to rotate through the transmission component 33, so that the spiral guide rod 34 moves inside the guide barrel 31, and the discharged stone powder can be transported away. The stone powder is discharged through the guide barrel 31 and discharged along the discharge frame 36, thereby preventing the crushed stone powder from floating in the air when being discharged, preventing the staff from inhaling the stone powder into the body, and preventing pollution to the environment.
[0030] The method of use and working principle of this device are as follows: First, pour the limestone into the feed hopper 21. Due to the weight of the limestone itself, the two groups of baffles 22 will press down, and the two groups of baffles 22 will put pressure on the two groups of connecting rods 27. The two groups of connecting rods 27 drive the two groups of inclined slide blocks 26 fixed thereto to move downward, so that the four groups of inclined slide blocks 26 slide inside the four groups of inclined grooves 24 respectively. At the same time, the other parts of the two groups of baffles 22 rotate inside the feed hopper 21. At this time, the four groups of inclined slide blocks 26 squeeze the four groups of support springs 25, so that the four groups of support springs 25 are compressed inside the four groups of inclined grooves 24 respectively, so that the limestone falls into the crushing mechanism 11. Secondly, under the elastic force of the four groups of support springs 25, the four groups of support springs 25 push the four groups of inclined slide blocks 26 to slide upward inside the four groups of inclined grooves 24, the four groups of inclined slide blocks 26 drive the two groups of connecting rods 27 to move upward, and the two groups of connecting rods 27 push the two groups of baffles 22 moves upward, and the other ends of the two sets of baffles 22 rotate inside the feed hopper 21, thereby restoring the two sets of baffles 22 to their original positions, and the feed hopper 21 can be sealed to prevent stone powder from floating in the air and being inhaled by the staff, so that the health of the staff can be guaranteed and pollution to the environment can be prevented. Then, the limestone enters the crushing mechanism 11, and the crushing mechanism 11 is operated to crush the entered limestone, and the crushed limestone will become stone powder, which falls into the guide barrel 31. Finally, the drive assembly 35 is started to run, and the drive assembly 35 drives the spiral guide rod 34 to rotate through the transmission assembly 33, so that the spiral guide rod 34 moves inside the guide barrel 31, and the discharged stone powder can be transported away, and the stone powder is discharged through the guide barrel 31 and discharged along the discharge frame 36, so as to prevent the crushed stone powder from floating in the air when being discharged.
[0031] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A limestone crushing device for preparing aerated concrete blocks, comprising a support frame (1) and a crushing mechanism (11), characterized in that: An upper dust shielding mechanism (2) is fixedly installed at the upper end of the support frame (1), and a lower dust shielding mechanism (3) is provided at the lower end of the crushing mechanism (11). The upper dust shielding mechanism (2) comprises a feed hopper (21), and shielding plates (22) are rotatably installed inside the feed hopper (21) and at the edges of both sides. The front and rear side walls inside the feed hopper (21) are provided with inclined grooves (24), and the bottom ends of the four groups of inclined grooves (24) are fixedly installed with support springs (25), and the insides of the four groups of inclined grooves (24) are slidably installed with inclined sliding blocks (26), and the lower ends of the shielding plates (22) are provided with connecting rods (27); The lower dust blocking mechanism (3) comprises a material guide cylinder (31), a material discharge box (32) is installed through the lower end of the material guide cylinder (31), a spiral material guide rod (34) is rotatably installed inside the material guide cylinder (31), a driving component (35) is fixedly installed at the upper end of the material discharge box (32), and a transmission component (33) is fixedly installed at the output end of the driving component (35).
2. The limestone crushing device for preparing aerated concrete blocks according to claim 1, characterized in that: A material discharge frame (36) is fixedly mounted at the lower end of the material discharge box (32), and one end of the spiral material guide rod (34) penetrates the material guide cylinder (31) and is fixed to the transmission end of the transmission assembly (33).
3. The limestone crushing device for preparing aerated concrete blocks according to claim 1, characterized in that: Inclined guide plates (23) are fixedly installed inside the feed hopper (21) and near the edges on both sides, and the other ends of the four groups of support springs (25) are respectively fixed to the lower ends of the four groups of inclined sliding blocks (26).
4. The limestone crushing device for preparing aerated concrete blocks according to claim 1, characterized in that: An oblique stopper (12) is fixedly installed at the upper end of the support frame (1) and near the four corners, and the crushing mechanism (11) is fixedly installed inside the support frame (1).
5. The limestone crushing device for preparing aerated concrete blocks according to claim 2, characterized in that: The upper end of the material guide cylinder (31) is fixed to the lower end of the crushing mechanism (11), and the discharge port of the crushing mechanism (11) coincides with the feed port of the material guide cylinder (31).
6. The limestone crushing device for preparing aerated concrete blocks according to claim 4, characterized in that: One end of the four groups of inclined blocks (12) are respectively in contact with the outer wall of the feed hopper (21), and the lower end of the feed hopper (21) is fixed to the upper end of the crushing mechanism (11).
7. The limestone crushing device for preparing aerated concrete blocks according to claim 3, characterized in that: The lower ends of the two groups of inclined guide plates (23) are respectively in contact with the upper ends of the two groups of shielding plates (22), and the two ends of the two groups of connecting rods (27) are respectively fixed to one end of the four groups of inclined sliding blocks (26).