Low-vibration and noise-reduction type large sand making equipment

By applying a coating to the outer periphery of the crusher blade and installing sound insulation structures inside and outside the equipment, the problems of equipment wear, noise, and vibration are solved, extending service life and reducing maintenance costs.

CN224025192UActive Publication Date: 2026-03-24ZHEJIANG FENJIN CONSTRUCTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing sand making equipment suffers from severe wear and tear due to prolonged contact between the crushing blades, screens, and other components and the sand and gravel, resulting in a short service life. Furthermore, the equipment generates noise and vibration during high-speed operation, affecting operators and the environment.

Method used

A coating is applied to the outer periphery of the crusher blade to improve wear resistance, and sound insulation panels and covers are installed inside and outside the equipment to reduce noise and vibration.

Benefits of technology

Extend equipment lifespan, reduce wear and tear costs, decrease noise and vibration, and provide convenient maintenance and cleaning conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides low-vibration noise-reduction type large sand making equipment, which relates to the technical field of sand making equipment and comprises a tank body, a rotating hole is formed in the tank body, a first rotating shaft is connected in the rotating hole, a plurality of first crushing cutters are coaxially and fixedly connected to the periphery of the first rotating shaft, and a plurality of second crushing cutters are coaxially and fixedly connected to the periphery of the first rotating shaft. Every two adjacent first crushing cutters are matched, and coatings are arranged on the peripheries of the first crushing cutters. According to the utility model, on one hand, the periphery of the crushing cutter is coated, so that the wear resistance is improved, the direct contact wear between the equipment and gravels is reduced, and the service life of the equipment can be effectively prolonged; and on the other hand, noise generated during equipment operation can be remarkably reduced through the sound insulation plates fixedly installed on the two sides of the tank body and the sound insulation plate in the tank cover in combination with the sound insulation cover, meanwhile, higher flexibility is further provided through the hinge design of the sound insulation cover, and daily maintenance and cleaning are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sand making equipment technical field especially relates to a low vibration noise reduction type's large -scale sand making equipment. BACKGROUND

[0002] Common large -scale sand making equipment is widely used in building, mine etc. industry, is mainly used to process high quality artificial sand with big granule stone, and its structure includes feeding hopper, rotor, crushing cavity and discharge gate, material enters the equipment through the feeding hopper, is thrown to the crushing cavity by the high -speed rotating rotor, collides with the counterattack board or other material, carries out fine crushing, impact, grinding, and finally obtains the sand grain that meets the requirement.Impact type sand making machine has the characteristics such as big crushing ratio, high yield, low energy consumption, good finished product grain shape, is commonly used for making building sand, ore fine crushing etc., its application range is wide, can adapt to the processing demand of different hardness material, and compact structure, simple operation, is suitable for large -scale production.

[0003] The existing device is in the process of using, because the crushing knife screen mesh and other components are in contact with sand for a long time, so that the equipment is subjected to a lot of wear and tear, resulting in shorter service life of the equipment, also increases the maintenance and replacement cost of the device; At the same time, the high-speed operation of the sand making equipment produces a lot of noise and vibration, especially when the large equipment is running, which will affect the operating personnel and the surrounding environment.

[0004] Therefore, we propose a low vibration noise reduction type's large -scale sand making equipment. Utility model content

[0005] The utility model discloses a purpose to solve the shortcoming in prior art, the equipment in the process of using, because the crushing knife, screen mesh and other components are in contact with sand for a long time, resulting in a lot of wear and tear of the equipment, thereby shortening the service life of the equipment, and increasing the maintenance and replacement cost, in addition, the sand making equipment will produce a lot of noise and vibration when running at high speed, especially when the large equipment is running, which not only affects the operating personnel, but also brings certain negative influence to the surrounding environment.

[0006] In order to realize the above-mentioned purpose, the utility model discloses a technical scheme as follows:

[0007] A low vibration noise reduction type's large -scale sand making equipment, including the jar body, the inside of jar body is set up with the rotating hole, the inside of rotating hole is connected with the first rotating shaft, the outer periphery of first rotating shaft is fixedly connected with a plurality of first crushing knives, and the first crushing knives are matched with each other, and the outer periphery of first crushing knife is provided with a coating.

[0008] The outer periphery of the tank body is fixedly provided with a fixing ring, the bottom of the fixing ring is fixedly provided with a plurality of supporting legs, the ends of the supporting legs away from the fixing ring are fixedly provided on the top of a bottom plate, the bottom plate is movably connected to the inside of a soundproof cover, the two soundproof covers are hingedly connected, the top of the tank body is hingedly connected with a tank cover, the inside of the tank cover is fixedly provided with a soundproof plate, and the two sides of the inside of the tank body are fixedly provided with soundproof plates.

[0009] Preferably, the inside of the tank cover is fixedly provided with a fixed cross rod, the top of the fixed cross rod is rotatably connected with a second crushing knife through a bearing, and the top of the tank cover is provided with a material guiding opening.

[0010] Preferably, the inside of the material guiding opening is fixedly and communicatively provided with a feeding hopper, and the top of the feeding hopper is funnel-shaped.

[0011] Preferably, the top of the bottom plate is fixedly provided with a motor, the output end of the motor is coaxially and fixedly connected with a second rotating shaft, the end of the second rotating shaft away from the motor is rotatably connected with a crankshaft, and the end of the crankshaft away from the second rotating shaft is rotatably connected with a third rotating shaft.

[0012] Preferably, the end of the third rotating shaft away from the crankshaft is rotatably connected with a first connecting rod, and the top of the first connecting rod is rotatably connected with a screening hopper.

[0013] Preferably, the two ends of the screening hopper are rotatably connected with second connecting rods, the ends of the second connecting rods away from the screening hopper are fixedly provided on the two sides of the tank body, and the bottom of the screening hopper is fixedly provided with a screening net.

[0014] Preferably, the bottom of the soundproof cover is fixedly provided with a plurality of pulleys.

[0015] Compared with the prior art, the device has the advantages that:

[0016] In the device, the outer periphery of the crushing knife is coated, which not only improves the wear resistance and reduces the direct contact wear between the device and the sand, but also effectively prolongs the service life of the device; on the other hand, the soundproof plates fixedly provided on the two sides of the tank body and the soundproof plate in the tank cover, combined with the soundproof cover, can significantly reduce the noise generated during the operation of the device, and the hinge design of the soundproof cover provides higher flexibility, facilitating daily maintenance and cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The device is a low-vibration and noise-reducing large-scale sand making equipment, and the whole structure of the device is shown in the figure.

[0018] Figure 2 The device is a low-vibration and noise-reducing large-scale sand making equipment, and the whole structure of the device is shown in the figure.

[0019] Figure 3 The utility model provides a low vibration noise reduction type's whole structure split drawing of large -scale sand making equipment,

[0020] Figure 4 The utility model provides a low vibration noise reduction type's screening structure split drawing of large -scale sand making equipment.

[0021] Legend: 1, tank body; 2, first rotating shaft; 3, first crushing knife; 4, fixed ring; 5, support leg; 6, bottom plate; 7, sound shield; 8, tank cover; 9, fixed cross bar; 10, second crushing knife; 11, feed hopper; 12, second rotating shaft; 13, crankshaft; 14, third rotating shaft; 15, first connecting rod; 16, screening hopper; 17, second connecting rod; 18, screening net; 19, pulley. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described below in conjunction with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0023] In order to facilitate understanding of the utility model, the related utility model will be described more fully below, and several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described in the text, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] EMBODIMENT

[0027] AsFigures 1-4 The utility model provides a technical scheme: a large -scale sand making equipment of low earthquake noise reduction, including jar body 1, the inside of jar body 1 is provided with rotating hole, the rotating hole provided in the inside of jar body 1 provides the passageway of rotating shaft, so that first rotating shaft 2 can rotate freely in jar body 1, the inside of rotating hole is connected with first rotating shaft 2, can ensure that first rotating shaft 2 is smoothly rotated in the operation process and will not be subjected to excessive friction or wear and tear, the outer periphery of first rotating shaft 2 is coaxially fixedly connected with a plurality of first broken knives 3, and the adjacent two first broken knives 3 cooperate, and the outer periphery of first broken knife 3 is provided with coating;

[0028] The outer periphery of jar body 1 is fixedly installed with fixed ring 4, enhances the stability between jar body 1 and support structure, ensures that jar body 1 remains stable in the process of high load, vibration and rotation, a plurality of support legs 5 are fixedly installed at the bottom of fixed ring 4, ensure that jar body 1 will not incline or be unstable in the working process, the end, away from fixed ring 4, of support leg 5 is fixedly installed on the top of bottom plate 6, and the bottom plate 6 is movably connected to the inside of soundproof cover 7, to provide support for jar body 1 and the whole equipment structure, the two soundproof covers 7 are hingedly connected by hinges, to reduce the noise pollution generated when the equipment is running, especially when running at high speed or under heavy load, the top of jar body 1 is hingedly connected with jar cover 8, the inside of jar cover 8 is fixedly installed with soundproof board, and the inside of jar body 1 is fixedly installed with soundproof board on both sides, to effectively reduce noise.

[0029] The inside of jar cover 8 is fixedly installed with fixed cross bar 9, as a structure for closing and sealing jar body 1, also has the function of supporting fixed cross bar 9, the top of fixed cross bar 9 is rotatably connected with second broken knife 10 through bearing, second broken knife 10 is used for crushing the material entering jar body 1, the top of jar cover 8 is provided with guide inlet, the inside of guide inlet is fixedly connected with feed hopper 11, the top of feed hopper 11 is funnel-shaped, the funnel-shaped design of feed hopper 11 helps to ensure smooth flow of material, to avoid jamming or clogging, the top of bottom plate 6 is fixedly installed with motor, the output end of motor is coaxially fixedly connected with second rotating shaft 12, the end, away from motor, of second rotating shaft 12 is rotatably connected with crankshaft 13, as a power transmission device, connecting second rotating shaft 12 and third rotating shaft 14, to convert rotary motion into transmission of different angles, which may change the rotating speed or torque, the end, away from second rotating shaft 12, of crankshaft 13 is rotatably connected with third rotating shaft 14, to transmit the rotary motion generated by crankshaft 13 to first connecting rod 15.

[0030] The first connecting rod 15 is rotatably connected to the third rotating shaft 14 away from the crankshaft 13, the top of the first connecting rod 15 is rotatably connected to the screening hopper 16, both ends of the screening hopper 16 are rotatably connected to the second connecting rod 17, the first connecting rod 15 converts the rotating motion of the third rotating shaft 14 into the swinging motion of the screening hopper 16, the second connecting rod 17 is fixedly installed on the two sides of the tank body 1 away from the screening hopper 16, the screening hopper 16 and the fixed part of the tank body 1 are connected through the connection of the two ends, and meanwhile, the screening hopper 16 can screen materials according to the predetermined track in the screening process, the bottom of the screening hopper 16 is fixedly installed with the screening net 18, and the bottom of the soundproof cover 7 is fixedly installed with a plurality of pulleys 19.

[0031] The working process of the utility model is as follows:

[0032] Step one, the working process of the equipment starts from feeding, the material enters the feeding hopper 11 through the guide inlet, the top of the feeding hopper 11 is funnel-shaped, so that the material can smoothly enter and be quantitatively supplied to the sand making device, the material in the feeding hopper 11 is once crushed by the second crushing knife 10, and the crushed raw material enters the tank body 1 through the fixed path, at this time, the first crushing knife 3 driven by the first rotating shaft 2 starts to rotate, so that the material is preliminarily crushed, and the coating on the outer periphery of the first crushing knife 3 effectively reduces the abrasion and increases the service life.

[0033] Step two, after the first-stage crushing, the material is further screened by the screening hopper 16, the screening hopper 16 is connected to the tank body 1 through the second connecting rod 17, meanwhile, the movement of the screening hopper 16 is driven by the cooperation structure of the motor, the connecting rod system and the crankshaft 13, so that the material is ensured to be fully screened, the screening net 18 is fixedly installed at the bottom of the screening hopper 16, so that the qualified sand particles and the larger materials can be effectively separated, and the quality of the final product is ensured.

[0034] Step three, the bottom of the whole device and the tank body 1 are connected to the bottom plate 6 through the supporting legs 5, so that the influence of vibration on the equipment and the surrounding environment is reduced, meanwhile, the design of the soundproof cover 7 and the soundproof board further reduces the noise generated when the equipment operates, and the whole working process is ensured to be carried out in a low-noise and low-vibration environment.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A large-scale sand making device of low shock and noise reduction type comprising a tank body (1), characterized in that: The inside of the tank body (1) is provided with a rotating hole, the inside of the rotating hole is connected with a first rotating shaft (2), the outer periphery of the first rotating shaft (2) is coaxially fixedly connected with a plurality of first crushing knives (3), adjacent two first crushing knives (3) are matched, and the outer periphery of the first crushing knife (3) is provided with a coating. The outer periphery of the tank body (1) is fixedly installed with a fixed ring (4), a plurality of supporting legs (5) are fixedly installed at the bottom of the fixed ring (4), the ends, away from the fixed ring (4), of the supporting legs (5) are fixedly installed at the top of the bottom plate (6), the bottom plate (6) is movably connected to the inside of the soundproof cover (7), two soundproof covers (7) are hingedly connected, the top of the tank body (1) is hingedly connected with a tank cover (8), a soundproof plate is fixedly installed in the tank cover (8), and soundproof plates are fixedly installed at the two sides of the tank body (1).

2. The large-scale sand manufacturing apparatus of claim 1, wherein: The inside of the tank cover (8) is fixedly installed with a fixed cross rod (9), the top of the fixed cross rod (9) is rotatably connected with a second crushing knife (10) through a bearing, and the top of the tank cover (8) is provided with a material guiding opening.

3. The large-scale sand production apparatus of claim 2, wherein: The inside of the material guiding opening is fixedly and communicatively connected with a feeding hopper (11), and the top of the feeding hopper (11) is funnel-shaped.

4. The large-scale sand manufacturing apparatus of claim 1, wherein: The top of the bottom plate (6) is fixedly installed with a motor, the output end of the motor is coaxially fixedly connected with a second rotating shaft (12), the end, away from the motor, of the second rotating shaft (12) is rotatably connected with a crankshaft (13), and the end, away from the second rotating shaft (12), of the crankshaft (13) is rotatably connected with a third rotating shaft (14).

5. The large-scale sand production apparatus of claim 4, wherein: The end, away from the crankshaft (13), of the third rotating shaft (14) is rotatably connected with a first connecting rod (15), and the top of the first connecting rod (15) is rotatably connected with a screening hopper (16).

6. The large-scale sand production apparatus of claim 5, wherein: Both ends of the screening hopper (16) are rotatably connected with a second connecting rod (17), the end, away from the screening hopper (16), of the second connecting rod (17) is fixedly installed at the two sides of the tank body (1), and the bottom of the screening hopper (16) is fixedly installed with a screening net (18).

7. The large-scale sand production apparatus of claim 1, wherein: A plurality of pulleys (19) are fixedly installed at the bottom of the soundproof cover (7).