Stone crushing and screening device with crushing and anti-splashing structure

By introducing an anti-splash structure and a dual-drive motor system into the stone crushing and screening device, the problems of stone splashing and low efficiency are solved, and a safe and efficient stone crushing and screening process is achieved.

CN224208096UActive Publication Date: 2026-05-08QUANZHOU LINGTAI TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QUANZHOU LINGTAI TECH CO LTD
Filing Date
2025-05-19
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing stone crushing and screening devices are prone to stone splashing during operation, posing safety hazards, and have low crushing efficiency and poor screening effect, making it difficult to meet the needs of large-scale production.

Method used

A stone crushing and screening device with a crushing and anti-splashing structure was designed, including an anti-splashing structure and a dual-drive motor crushing system. The anti-splashing structure, composed of an outer protective cover and an inner elastic plate, blocks stone splashing. The dual-drive motors work together to crush and improve efficiency. The crushing process is precisely controlled by a control device.

Benefits of technology

It effectively prevents stone splashing, ensures safety, improves crushing efficiency and production accuracy, ensures the continuity of screening and discharge processes, and enhances work efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224208096U_ABST
    Figure CN224208096U_ABST
Patent Text Reader

Abstract

The utility model relates to a stone crushing and screening device with a crushing anti-splashing structure, which is supported by a fixed base, is provided with a crushing and screening device at the top, is internally provided with a crushing cavity at the lower part, is internally provided with a first crushing tooth and a second crushing tooth which are driven by a first driving motor and a second driving motor and are meshed with each other, and is used for efficiently crushing stones. An anti-splashing structure installed on the top is composed of an outer protective cover and an inner elastic plate on the inner wall, stone can be effectively prevented from splashing, crushed stone is screened through a screening filter screen below and falls into a material collecting trolley at the bottom from a discharging port, and a control device can conveniently and rapidly regulate and control operation of a motor. The whole device is reasonable in structural design, achieves integrated operation of stone crushing, screening and splashing prevention, and has the advantages of being efficient, safe, convenient to maintain and the like.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of stone processing equipment, specifically a stone crushing and screening device with a crushing and anti-splashing structure. Background Technology

[0002] Crushing and screening are crucial processes in stone processing. Existing stone crushing and screening equipment suffers from several problems during operation: 1. Due to a lack of effective protective measures, stone particles are easily splashed during crushing, polluting the surrounding environment and seriously threatening the safety of operators; 2. Some existing crushing and screening devices have inadequate structural design, resulting in low crushing efficiency, making it difficult to meet the needs of large-scale production. Screening filters are also prone to clogging, affecting screening effectiveness.

[0003] Therefore, it is necessary to design a stone crushing and screening device with a crushing and anti-splashing structure to solve the problems mentioned above. Utility Model Content

[0004] The purpose of this invention is to provide a stone crushing and screening device with a crushing and anti-splashing structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A stone crushing and screening device with a crushing and anti-splashing structure includes a fixed base. The crushing and screening device is fixedly installed on the top of the fixed base. A crushing chamber is arranged at the lower part of the crushing and screening device. A crushing structure is arranged inside the crushing chamber. A screening screen is arranged below the crushing chamber. A discharge port is arranged below the screening screen. A receiving trolley is arranged at the bottom center of the fixed base and directly below the discharge port. An anti-splashing structure is also fixedly installed on the top of the crushing and screening device. A control device is also fixedly installed at the front of the fixed base.

[0007] As a preferred embodiment of this utility model, the crushing and screening device includes a first drive motor and a second drive motor fixedly installed on the left and right sides of the fixed base. The output shaft of the first drive motor is fixedly connected to a first crushing tooth through a coupling, and the output shaft of the second drive motor is fixedly connected to a second crushing tooth through a coupling. The tooth positions on the first crushing tooth and the tooth positions on the second crushing tooth are meshed.

[0008] As a preferred embodiment of this utility model, the control terminals on both the first drive motor and the second drive motor are electrically connected to the control device.

[0009] As a preferred embodiment of this utility model, the anti-splash structure includes an outer protective cover fixedly installed inside and above the crushing and screening device, the inner wall of the outer protective cover is provided with an inner elastic plate, and connecting plates are fixedly connected to the left and right sides of the bottom of the outer protective cover.

[0010] As a preferred embodiment of this utility model, a placement plate is fixedly installed on the upper left and right sides inside the crushing and screening device. The anti-splash structure is placed on the placement plate through the connecting plate below and is limited and fixed by a fixing pin.

[0011] As a preferred embodiment of this utility model, handles are fixedly installed at the left and right ends of the outer side of the anti-splash structure, and the outer surface of the handles is covered with anti-slip pads.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model, through the provision of a stone crushing and screening device with a crushing anti-splash structure, achieves the following effects: 1. The anti-splash structure installed on the top of the device consists of an outer protective cover and an inner elastic plate, which effectively prevents stone from splashing during the crushing process. The outer protective cover can resist the impact of larger stone particles, while the inner elastic plate can buffer the impact of small stone particles, reducing their rebound and splashing, greatly ensuring the safety of the working environment; 2. The crushing and screening device drives the first crushing tooth and the second crushing tooth respectively through the first drive motor and the second drive motor on the left and right sides, and the teeth of the two are meshed with each other. This design makes the crushing process more efficient. The two motors work together, increasing the crushing force on the stone, which can quickly crush the stone into the required particle size and improve production efficiency; 3. The control terminals of the first drive motor and the second drive motor are both electrically connected to the control device. Operators can precisely control the motor's start, stop, and speed parameters through the control device, flexibly adjusting the crushing process according to the characteristics of different stones and production requirements, achieving intelligent operation and improving production accuracy and controllability; 4. The connecting plate below the anti-splash structure is placed on the placement plate inside the crushing and screening device and fixed by a fixing pin, making installation and disassembly relatively simple. When the anti-splash structure is damaged and needs repair or replacement, it can be easily removed for handling. At the same time, handles with anti-slip pads are installed on both ends of the outer side of the anti-splash structure for easy handling and operation by workers; 5. The screening filter screen installed below the crushing chamber can effectively screen the crushed stone. The crushed stone falls through the screening filter screen into the discharge port below and is collected by the receiving trolley directly below. The entire screening and discharge process is smooth, ensuring the continuity of stone processing and improving work efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 3 This is a side view of the structure of this utility model;

[0017] Figure 4 This is a top view of the structure of this utility model.

[0018] In the diagram: 1. Fixed base; 2. Crushing and screening device; 3. Crushing chamber; 4. Crushing structure; 5. Material receiving trolley; 6. Anti-splash structure; 7. Control device; 21. First drive motor; 22. Second drive motor; 23. First crushing tooth; 24. Second crushing tooth; 61. Outer protective cover; 62. Inner elastic plate; 63. Connecting plate; 64. Fixed pin; 8. Placement plate; 9. Handle. Detailed Implementation

[0019] 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.

[0020] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are provided. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0021] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0022] 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 be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] For examples, please refer to Figure 1-4 This utility model provides a technical solution:

[0024] A stone crushing and screening device with a crushing and anti-splashing structure includes a fixed base 1, a crushing and screening device 2 fixedly installed on the top of the fixed base 1, a crushing chamber 3 arranged at the lower part of the crushing and screening device 2, a crushing structure 4 arranged inside the crushing chamber 3, a screening screen arranged below the crushing chamber 3, a discharge port arranged below the screening screen, a receiving trolley 5 arranged at the bottom center of the fixed base 1 and directly below the discharge port, an anti-splashing structure 6 fixedly installed on the top of the crushing and screening device 2, and a control device 7 fixedly installed at the front of the fixed base 1. The fixed base 1 is placed in a stable working area as the basic support for the entire device, the crushing and screening device 2 is installed on the top of the fixed base 1, the control device 7 is installed at the front, and the receiving trolley 5 is placed directly below the discharge port at the bottom center.

[0025] Specifically, the crushing and screening device 2 includes a first drive motor 21 and a second drive motor 22 fixedly installed on the left and right sides of the fixed base 1. The output shaft of the first drive motor 21 is fixedly connected to a first crushing tooth 23 via a coupling, and the output shaft of the second drive motor 22 is fixedly connected to a second crushing tooth 24 via a coupling. The teeth on the first crushing tooth 23 and the teeth on the second crushing tooth 24 are meshed. The control terminals on the first drive motor 21 and the second drive motor 22 are electrically connected to the control device 7. When the control device is turned on, the first drive motor 21 and the second drive motor 22 are controlled to operate. The motor output shaft drives the first crushing tooth 23 and the second crushing tooth 24 to rotate via the coupling. Due to the meshing of the teeth, the stone material entering the crushing chamber 3 is crushed. The two motors work together to drive the crushing teeth, enhancing the crushing capacity and improving the crushing efficiency, which can quickly crush the stone material into a suitable particle size.

[0026] Specifically, the anti-splash structure 6 includes an outer protective cover 61 fixedly installed inside and above the crushing and screening device 2. The inner wall of the outer protective cover 61 is provided with an inner elastic plate 62, and connecting plates 63 are fixedly connected to the left and right sides of the bottom of the outer protective cover 61. The outer protective cover 61 is placed on a placement plate 8 located at the upper position inside the crushing and screening device via the connecting plates 63 and secured with fixing pins 64. During operation, the outer protective cover and the inner elastic plate 62 together block stone splashing, effectively preventing stone from splashing during the crushing process and ensuring a safe working environment. The outer protective cover resists the impact of large particles, while the inner elastic plate buffers the impact of small particles.

[0027] The crushing and screening device 2 has a placement plate 8 fixedly installed on the upper left and right sides inside. The anti-splash structure 6 is placed on the placement plate 8 through the connecting plate 63 below and is fixed by the fixing pin 64. The left and right ends of the outer side of the anti-splash structure 6 are fixedly installed with handles 9, and the outer surface of the handles 9 is covered with anti-slip pads. If disassembly and maintenance are required, hold the handles 9, pull out the fixing pins, and remove the anti-splash structure. It is easy to install and disassemble and convenient to maintain.

[0028] The working process of this utility model is as follows: When using the stone crushing and screening device with a crushing and anti-splashing structure, firstly, place the fixed base 1 in a stable working area, install the crushing and screening device 2 on top of it, install the control device 7 at the front, and place the collection trolley 5 directly below the discharge port in the middle of the bottom. Place the outer protective cover 61 on the placement plate 8 at the upper position inside the crushing and screening device 2 through the connecting plate 63, and fix it with the fixing pin 64. Then, turn on the control device 7 to control the operation of the first drive motor 21 and the second drive motor 22. The output shaft of the first drive motor 21 drives the first crushing tooth 23 to rotate through the coupling, and the output shaft of the second drive motor 22 drives the second crushing tooth 24 to rotate through the coupling. Due to the meshing of the teeth, the stone entering the crushing chamber 3 is crushed. During operation, the outer protective cover 61 and the inner elastic plate 62 of the inner wall jointly prevent stone from splashing, and the crushed stone is screened by the screening filter screen below the crushing chamber 3 and falls from the discharge port, where it is collected by the collection trolley 5. To disassemble and maintain the splash guard structure, grasp handle 9, pull out the retaining pin 64, and remove the splash guard structure 6.

[0029] 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 stone crushing and screening device with a crushing and anti-splashing structure, comprising a fixed base (1), characterized in that: A crushing and screening device (2) is fixedly installed on the top of the fixed base (1). A crushing chamber (3) is provided inside the crushing and screening device (2) at the lower part. A crushing structure (4) is provided inside the crushing chamber (3). A screening screen is provided below the crushing chamber (3). A discharge port is provided below the screening screen. A receiving trolley (5) is provided at the middle of the bottom of the fixed base (1) and directly below the discharge port. An anti-splash structure (6) is also fixedly installed on the top of the crushing and screening device (2). A control device (7) is also fixedly installed at the front position on the fixed base (1).

2. The stone crushing and screening device with a crushing and anti-splashing structure according to claim 1, characterized in that: The crushing and screening device (2) includes a first drive motor (21) and a second drive motor (22) fixedly installed on the left and right sides of the fixed base (1). The output shaft of the first drive motor (21) is fixedly connected to a first crushing tooth (23) through a coupling. The output shaft of the second drive motor (22) is fixedly connected to a second crushing tooth (24) through a coupling. The tooth positions on the first crushing tooth (23) and the tooth positions on the second crushing tooth (24) are meshed.

3. A stone crushing and screening device with a crushing and anti-splashing structure according to claim 2, characterized in that: The control terminals on the first drive motor (21) and the second drive motor (22) are electrically connected to the control device (7).

4. The stone crushing and screening device with a crushing and anti-splashing structure according to claim 1, characterized in that: The anti-splash structure (6) includes an outer protective cover (61) fixedly installed inside the crushing and screening device (2) and an inner elastic plate (62) provided on the inner wall of the outer protective cover (61). Connecting plates (63) are also fixedly connected to the bottom left and right sides of the outer protective cover (61).

5. A stone crushing and screening device with a crushing and anti-splashing structure according to claim 1, characterized in that: The crushing and screening device (2) is also fixedly provided with a placement plate (8) on the upper left and right sides inside. The anti-splash structure (6) is placed on the placement plate (8) through the connecting plate (63) below, and is limited and fixed by a fixing pin (64).

6. A stone crushing and screening device with a crushing and anti-splashing structure according to claim 1, characterized in that: The splash-proof structure (6) has handles (9) fixedly installed on the left and right sides of its outer side, and the outer surface of the handles (9) is covered with anti-slip pads.