Crusher for industrial sand production

By using an inclined filter screen connected to the second crushing chamber and a blower collection system, the cumbersome problem of manually handling large particles in traditional crushers is solved, achieving automatic secondary crushing and dust collection, thus improving production continuity and environmental protection.

CN224486224UActive Publication Date: 2026-07-14ZHEJIANG 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
2025-07-24
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional industrial sand making crushers require manual collection and re-feeding of substandard large particles after screening out. The operation process is cumbersome, labor-intensive, and difficult to adapt to the needs of efficient industrial production. In addition, dust dispersion is serious.

Method used

The design incorporates an inclined filter screen connected to the second crushing chamber, allowing large particles to automatically slide into the secondary crushing chamber. Combined with a blower and collection bucket system, this enables automatic secondary crushing and dust collection, reducing manual intervention. The crushing components utilize intermeshing crushing rollers, employing gravity and power transmission for efficient crushing.

Benefits of technology

It achieves seamless screening and secondary crushing, reduces the labor intensity of workers, improves production continuity, reduces dust diffusion, and meets the needs of efficient industrial production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of for industrial sand making's crusher, it is related to industrial sand making crusher technical field, including device base, be equipped with processing box on the device base, the first crushing cavity for first crushing raw materials is established in the inside top of processing box, in the utility model, by the intercommunication design of inclined filter screen and second crushing cavity, large particle material is automatically slid into second crushing cavity for secondary crushing using gravity effect, without artificial collection and re-feeding, seamless connection of "screening-secondary crushing" is realized, effectively solve the problem of manual processing large particle material in comparative document, operation is complicated, high labor intensity;Meanwhile, under the guidance of filter screen and the cooperation of second crushing cavity, production continuity is greatly improved, manual intervention is reduced, more adapt to efficient industrial production demand.
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Description

Technical Field

[0001] This utility model relates to the field of industrial sand making crusher technology, and in particular to a crusher for industrial sand making. Background Technology

[0002] A crusher, also known as a stone crusher, is a pulverizing machine used in the processing of metal and non-metal minerals to crush mined raw ore into small particles through compression and bending.

[0003] A search revealed a Chinese patent, CN218393846U, for an industrial sand making and crushing machine. This invention discloses an industrial sand making and crushing machine with a groove on the inner wall of the tank. A rotating shaft is embedded in the groove, and a gear disc is rotatably connected to the rotating shaft. A gear rack is meshed with the gear disc. A feeding trough is fixedly connected to one side of the gear rack. Raw materials are poured into the feed inlet and then into the feeding trough. After a suitable amount of raw material is poured in, the feeding trough moves downwards due to gravity, simultaneously driving the gear rack. The gear rack then drives the gear disc, causing it to move through the groove via the rotating shaft. This, in turn, causes a first spring to extend and retract. When the first magnet and the second magnet attract each other, and the feeding trough slides downwards, a movable plate slides in a first groove, thereby opening the feeding port on one side of the feeding trough. This allows the raw material to flow into the tank through the feeding port, achieving uniform feeding and avoiding excessive feeding that would reduce crushing efficiency. Uniform feeding improves crushing efficiency.

[0004] The aforementioned device crushes raw materials using crushing rollers and screens the crushed material using a vibrating filter screen, achieving initial separation between the finished product and large particles, thus improving the crushing effect to some extent. However, this type of traditional crusher still has significant shortcomings in practical applications: although it can screen out substandard large particles through the filter screen and collect them into a collection trough, the collected large particles still need to be manually removed from the collection trough and then put back into the crusher for secondary crushing. This process requires frequent manual intervention, is cumbersome, reduces production continuity, and significantly increases the labor intensity of workers, making it difficult to meet the needs of efficient industrial production. Therefore, we propose a crusher for industrial sand making. Utility Model Content

[0005] The purpose of this invention is to provide a crusher for industrial sand making to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A crusher for industrial sand making includes a base with a processing box on it. The top of the processing box has a first crushing chamber for primary crushing of raw materials. Inside the processing box, near the bottom of the first crushing chamber, is a second crushing chamber for secondary crushing of large particles. Inside the processing box, near the bottom of the first crushing chamber, is a filter screen for screening crushed materials. Inside the processing box, near the bottom of the filter screen, is a filter chamber for temporarily storing qualified materials. Both the first and second crushing chambers contain crushing components for crushing materials. A dust collection box is located on one side of the processing box, and a fan is located on the top of the collection box for extracting dust generated during the crushing process.

[0008] As a preferred embodiment of this utility model, the filter screen is designed to be inclined, with its lower end connected to the second crushing chamber, so as to introduce the screened large particles into the second crushing chamber for secondary crushing.

[0009] As a preferred embodiment of this utility model, the filter chamber is connected to the bottom of the second crushing chamber, so that qualified materials after secondary crushing in the second crushing chamber can enter the filter chamber.

[0010] As a preferred embodiment of this utility model, the exhaust fan is connected to the first crushing chamber and the second crushing chamber through a pipe, which can extract the dust generated in the two crushing chambers. The top of the inside of the collection box is provided with a connecting pipe, which is connected to the exhaust fan through a pipe, so that the dust extracted by the exhaust fan can enter the collection box through the connecting pipe.

[0011] As a preferred embodiment of this utility model, the bottom of the connecting pipe is provided with a collection bucket for collecting dust.

[0012] As a preferred embodiment of this utility model, the crushing assembly includes two intermeshing crushing rollers for crushing materials, and a drive motor is provided on the other side of the processing box, the output end of which is connected to the crushing rollers for driving force.

[0013] As a preferred embodiment of this utility model, the base of the device is provided with a receiving bin, which is provided with a receiving box for receiving qualified materials discharged from the filtration chamber. The back of the receiving bin, the top of the first crushing chamber and one side of the collection box are all hinged to open and close doors, which are used for taking out and putting in the receiving box, adding raw materials and cleaning the inside of the collection box, respectively.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, the inclined filter screen is connected to the second crushing chamber, and gravity is used to allow large particles to automatically slide into the second crushing chamber for secondary crushing. This eliminates the need for manual collection and refeeding, achieving a seamless connection between screening and secondary crushing. This effectively solves the problems of cumbersome manual handling of large particles and high labor intensity in the prior art. At the same time, with the guiding effect of the filter screen and the support of the second crushing chamber, the continuity of production is greatly improved, manual intervention is reduced, and it is more suitable for the needs of efficient industrial production.

[0016] In this invention, through the combined design of a blower, pipes, connecting pipes, and a collection bucket, the blower can directly extract the dust generated in the first and second crushing chambers. The dust falls directionally into the collection bucket through the pipes and connecting pipes, realizing the active collection of dust during the crushing process. With the dust extraction power of the blower and the guiding effect of the connecting pipes, the dust is prevented from spreading to the working environment, thus improving the working environment. Attached Figure Description

[0017] Figure 1 A front view schematic diagram of a crusher for industrial sand making provided by this utility model;

[0018] Figure 2 A side view schematic diagram of a crusher for industrial sand making provided by this utility model;

[0019] Figure 3 A schematic diagram of the inside of the collection box of a crusher for industrial sand making provided by this utility model;

[0020] Figure 4 This utility model provides an overall cross-sectional structural diagram of a crusher for industrial sand making.

[0021] Legend: 1. Device base; 2. Processing box; 201. First crushing chamber; 202. Second crushing chamber; 203. Filter chamber; 3. Filter screen; 4. Crushing assembly; 401. Crushing roller; 402. Drive motor; 5. Collection box; 501. Exhaust fan; 502. Connecting pipe; 5021. Collection bucket; 6. Receiving bin; 601. Receiving box; 7. Opening and closing door. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document 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 this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] Example

[0027] like Figures 1-4 As shown, this utility model provides a technical solution: a crusher for industrial sand making, including a device base 1, a processing box 2 on the device base 1, a first crushing chamber 201 for primary crushing of raw materials is opened at the top inside the processing box 2, a second crushing chamber 202 for secondary crushing of large particles is opened inside the processing box 2 and located at the bottom and front of the first crushing chamber 201, a filter screen 3 for screening crushed materials is provided inside the processing box 2 and located at the bottom of the first crushing chamber 201, a filter chamber 203 for temporarily storing qualified materials is opened inside the processing box 2 and located at the bottom of the filter screen 3, crushing components 4 for crushing materials are provided in both the first crushing chamber 201 and the second crushing chamber 202, a collection box 5 for collecting dust is provided on one side of the processing box 2, and an exhaust fan 501 for extracting dust generated during the crushing process is provided on the top of the collection box 5.

[0028] The filter screen 3 is designed with an inclination, with its lower end connected to the second crushing chamber 202. The inclination design utilizes gravity to allow large particles to automatically slide into the second crushing chamber 202, completing the secondary crushing and conveying of large particles without additional power. This simplifies the equipment structure and reduces energy consumption. Furthermore, the direct connection between the filter screen 3 and the second crushing chamber 202 achieves a seamless connection between screening and secondary crushing, avoiding the cumbersome process of manual collection and refeeding in traditional equipment and reducing the labor intensity of workers.

[0029] The bottom of the filter chamber 203 is connected to the bottom of the second crushing chamber 202, so that qualified materials after secondary crushing in the second crushing chamber 202 can enter the filter chamber 203. The connection structure ensures that qualified materials after secondary crushing can be uniformly discharged into the filter chamber 203.

[0030] The exhaust fan 501 is connected to the first crushing chamber 201 and the second crushing chamber 202 through a pipe, which can extract the dust generated in the two crushing chambers. The top of the collection box 5 is provided with a connecting pipe 502, which is connected to the exhaust fan 501 through a pipe, so that the dust extracted by the exhaust fan 501 can enter the collection through the connecting pipe 502.

[0031] The bottom of the connecting pipe 502 is equipped with a collection bucket 5021, which enables the centralized collection of dust, making it easy to clean and recycle regularly, in line with the concept of green production. The independent collection bucket 5021 design avoids dust from accumulating directly in the collection box 5, reducing cleaning difficulty and preventing secondary dust diffusion.

[0032] The crushing assembly 4 includes two intermeshing crushing rollers 401 for crushing materials. A drive motor 402 is provided on the other side of the processing box 2, and its output end is connected to the crushing rollers 401 to provide driving force for the crushing rollers 401. The two intermeshing crushing rollers 401 generate extrusion and shearing forces by rotating in opposite directions, which can efficiently crush raw materials. Compared with single roller crushing, the crushing efficiency is better and the finished product particle size is more uniform. The drive motor 402 directly provides power to the crushing rollers 401, with a short transmission path and low energy loss. The motor speed is adjustable to adapt to the crushing requirements of raw materials with different hardness.

[0033] The base 1 of the device has a receiving bin 6 inside, which contains a receiving box 601 for receiving qualified materials discharged from the filter chamber 203. The back of the receiving bin 6, the top of the first crushing chamber 201, and one side of the collection box 5 are all hinged to open and close doors 7, which are used for taking out and putting in the receiving box 601, adding raw materials, and cleaning the inside of the collection box 5, respectively. The receiving box 601 centrally receives qualified materials, which facilitates the transfer and metering of finished sand. The separate opening and closing doors 7 allow for independent operation of raw material addition, finished product taking out and putting in, and dust cleaning, without interference, thus improving the convenience of operation. The hinged connection structure ensures flexible opening and closing and has a certain degree of sealing to reduce dust leakage.

[0034] The working process of this utility model is as follows: When using a crusher for industrial sand making, the operator opens the switch door 7 at the top of the first crushing chamber 201, puts the raw material to be crushed into the first crushing chamber 201 from the opening, and then closes the switch door 7 to reduce dust overflow. The independent setting of the switch door 7 enables convenient addition of raw materials, and when closed, it can enhance the sealing of the first crushing chamber 201, which, together with the subsequent dust extraction structure, reduces dust diffusion and avoids material splashing during the crushing process.

[0035] The crushing component 4 in the first crushing chamber 201 is activated, the drive motor 402 operates and drives two meshing crushing rollers 401 to rotate in opposite directions. The raw material falls between the two crushing rollers 401 and is crushed into smaller particles under the action of extrusion and shearing forces. The two crushing rollers 401 rotating in opposite directions generate efficient crushing force through meshing transmission, ensuring that the raw material is crushed uniformly. Compared with the single roller structure, the particle size of the crushed material is more consistent. The drive motor 402 directly drives the rollers, which has a short transmission path, low power loss, and the speed can be adjusted according to the hardness of the raw material to meet the crushing needs of different materials.

[0036] After initial crushing, the material falls from the bottom of the first crushing chamber 201 onto the surface of the filter screen 3. Material of qualified particle size falls into the lower filter chamber 203 through the pores of the filter screen 3. Large particles that do not meet the standard automatically slide to the lower end under the action of gravity due to the inclined design of the filter screen 3 and enter the second crushing chamber 202 through the connecting port, avoiding the cumbersome process of manual transfer. The filter chamber 203 temporarily stores qualified material in preparation for subsequent centralized discharge.

[0037] Large particles entering the second crushing chamber 202 are squeezed and sheared again by the crushing components 4 (two opposing crushing rollers 401 driven by the drive motor 402) inside the chamber, and crushed to the qualified particle size. The qualified material after secondary crushing flows into the filter chamber 203 through the communication structure between the bottom of the second crushing chamber 202 and the filter chamber 203. Secondary crushing ensures that large particles are fully processed and improves the finished product qualification rate. The communication design between the second crushing chamber 202 and the filter chamber 203 allows the qualified material after secondary crushing to enter the filter chamber 203 in a unified manner, ensuring that all finished products are temporarily stored in a centralized manner for easy subsequent discharge.

[0038] Throughout the primary and secondary crushing processes, the exhaust fan 501 is activated to continuously extract dust generated in the two crushing chambers 201 and 202 via pipes connecting them. The dust enters the connecting pipe 502 at the top of the collection box 5 through the pipes and finally falls into the collection bucket 5021 at the bottom of the connecting pipe 502. The exhaust fan 501 actively removes dust, reducing its spread to the working environment and improving the operating environment. The connecting pipe 502 guides the dust to fall into the collection bucket 5021, achieving centralized dust collection. This facilitates regular cleaning and allows for recycling, conforming to the concept of green production. At the same time, it prevents dust from accumulating inside the equipment and affecting operation.

[0039] The qualified materials temporarily stored in the filter chamber 203 (including the finished products after primary crushing and secondary crushing) eventually fall into the receiving hopper 6 of the device base 1, where they are received by the receiving box 601. When the receiving box 601 is full, the operator opens the switch door 7 on the back of the receiving hopper 6, takes out the receiving box 601 to complete the transfer of finished sand, and then puts the empty receiving box 601 back in its original position and closes the switch door 7.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A crusher for industrial sand making, comprising a device base (1), characterized in that: The device base (1) is provided with a processing box (2). The top of the processing box (2) is provided with a first crushing chamber (201) for primary crushing of raw materials. The processing box (2) is provided with a second crushing chamber (202) for secondary crushing of large particles of materials at the bottom of the first crushing chamber (201) and on the front side. The processing box (2) is provided with a filter screen (3) for screening crushed materials at the bottom of the first crushing chamber (201). The processing box (2) is provided with a filter chamber (203) for temporarily storing qualified materials at the bottom of the filter screen (3). Both the first crushing chamber (201) and the second crushing chamber (202) are provided with crushing components (4) for crushing materials. The processing box (2) is provided with a collection box (5) for collecting dust on one side. The top of the collection box (5) is provided with an exhaust fan (501) for extracting dust generated during the crushing process.

2. The crusher for industrial sand making according to claim 1, characterized in that: The filter screen (3) is designed to be inclined, with its lower end connected to the second crushing chamber (202) to introduce the screened large particles into the second crushing chamber (202) for secondary crushing.

3. A crusher for industrial sand making according to claim 1, characterized in that: The filter chamber (203) is connected to the bottom of the second crushing chamber (202), so that qualified materials after secondary crushing in the second crushing chamber (202) can enter the filter chamber (203).

4. A crusher for industrial sand making according to claim 1, characterized in that: The exhaust fan (501) is connected to the first crushing chamber (201) and the second crushing chamber (202) through a pipe, which can extract the dust generated in the two crushing chambers. The top of the collection box (5) is provided with a connecting pipe (502), which is connected to the exhaust fan (501) through a pipe, so that the dust extracted by the exhaust fan (501) can enter the collection box (5) through the connecting pipe (502).

5. A crusher for industrial sand making according to claim 4, characterized in that: The bottom of the connecting pipe (502) is provided with a collection bucket (5021) for collecting dust.

6. A crusher for industrial sand making according to claim 1, characterized in that: The crushing assembly (4) includes two intermeshing crushing rollers (401) for crushing materials. The other side of the processing box (2) is provided with a drive motor (402), whose output end is connected to the crushing rollers (401) to provide driving force for the crushing rollers (401).

7. A crusher for industrial sand making according to claim 1, characterized in that: The base (1) of the device has a receiving bin (6) inside. The receiving bin (6) has a receiving box (601) for receiving qualified materials discharged from the filter chamber (203). The back of the receiving bin (6), the top of the first crushing chamber (201) and the side of the collection box (5) are all hinged to open and close doors (7), which are used to pick up and put in the receiving box (601), add raw materials and clean the inside of the collection box (5), respectively.

Citation Information

Patent Citations

  • Industrial sand making crusher

    CN218393846U