Feeding adjustable mobile impact crushing and screening plant

Abstract

The utility model provides a kind of mobile impact crushing screening station with adjustable feeding, belong to engineering machinery field.It includes rack assembly with walking track, and feeding mechanism, impact crushing host, screening system, return mechanism and control system installed on rack assembly.Feeding mechanism contains vibrating feeder and natural fine material conveyor, and feeding hopper is provided at the feeding end of vibrating feeder and the angle is adjusted by lifting cylinder.Screening system contains multiple conveyors and vibrating screening host, and each conveyor can be folded and unfolded.Return conveyor adjusts angle by adjusting cylinder, and returns the return material of screening process to vibrating feeder.Control system coordinates equipment operation, and realizes efficient crushing and screening operation.

Description

Technical Field

[0001] This utility model relates to the field of engineering machinery technology, specifically to a mobile impact crushing and screening station with adjustable feed. Background Technology

[0002] In mining, building materials, and chemical industries, crushing and screening equipment is a key piece of equipment for material processing. Its operating efficiency and reliability directly affect production progress and product quality. Traditional crushing and screening equipment often suffers from insufficient mobility. Some equipment requires fixed installation and disassembly and transportation during relocation, consuming a lot of manpower and resources, and is difficult to adapt to the flexible needs of multiple operating sites. Even some mobile equipment has an unreasonable overall structural design, resulting in poor stability during operation and affecting crushing and screening accuracy.

[0003] On the other hand, traditional equipment has limited feeding adjustment capabilities. The feed rate and angle are difficult to adjust flexibly according to material characteristics and operational needs, easily leading to feed blockages and operational interruptions. Simultaneously, the screening and grading mechanisms are inadequate; some equipment can only output materials of a single particle size, or the grading accuracy is insufficient, failing to meet diverse product demands. Furthermore, traditional equipment suffers from poor maintenance convenience; cleaning the crushing chamber and replacing vulnerable parts requires considerable time, and the return material recycling mechanism is poorly designed, preventing the efficient return of substandard materials for reprocessing, resulting in material waste and further impacting overall operational efficiency. Utility Model Content

[0004] To address the aforementioned technical shortcomings, the purpose of this utility model is to provide a mobile impact crushing and screening station with adjustable feed, thereby improving operational efficiency and equipment reliability.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A mobile impact crusher and screening station with adjustable feed, comprising:

[0007] The frame assembly is equipped with tracks at the bottom for moving the entire machine;

[0008] The feeding mechanism is mounted on the frame assembly; the feeding mechanism includes a vibrating feeder and a natural fine material conveyor; the vibrating feeder is located above the natural fine material conveyor and is used to discharge fine materials from the raw material;

[0009] The impact crusher is installed in the middle of the frame assembly; the feed inlet of the impact crusher is connected to the discharge end of the vibrating feeder.

[0010] The screening system is mounted on the frame assembly. The screening system includes a vibrating screen main unit, a coarse material conveyor, a medium material conveyor, a fine material conveyor, and a main conveyor. The vibrating screen main unit is hinged to the frame assembly via a traction cylinder and pins. The vibrating screen main unit is equipped with a coarse material outlet, a medium material outlet, a fine material outlet, and a return outlet. The coarse material outlet is connected to the coarse material conveyor; the medium material outlet is connected to the medium material conveyor; the fine material outlet is connected to the fine material conveyor; and the return outlet is connected to the main conveyor.

[0011] The return material mechanism, including the return material conveyor, is used to transport the material from the return port of the vibrating screen host to the vibrating feeder;

[0012] The control system, including the electrical system, engine assembly, and hydraulic system mounted on the frame assembly, is used to control the operation of the entire crushing and screening station.

[0013] Preferably, a screening frame is hinged to the frame assembly; the main conveyor is mounted on the screening frame; a telescopic tie rod is hinged between the screening frame and the frame assembly; a traction cylinder is hinged to the screening frame, with one end of the traction cylinder hinged to the frame assembly; the traction cylinder drives the folding and unfolding of the main conveyor relative to the frame assembly; the coarse material conveyor, medium material conveyor, and fine material conveyor are all hinged to the screening frame via folding cylinders, and the folding and unfolding of the coarse material conveyor, medium material conveyor, and fine material conveyor are driven by the folding cylinders.

[0014] Preferably, the return material conveyor is hinged to the main frame via a lateral support; an adjusting cylinder is hinged to the main frame and is hinged to the return material conveyor, thereby adjusting the tilt angle of the return material conveyor.

[0015] Preferably, the vibrating feeder is connected to the main frame via a spring damper.

[0016] Preferably, the main conveyor is equipped with a magnetic separator to remove iron blocks contained in the crushed material.

[0017] Preferably, both the impact crusher and the electrical system are mounted on the frame assembly via shock absorbers.

[0018] Preferably, the frame assembly is provided with folding legs and screening legs; the folding legs and screening legs are used to provide support when the screening system is deployed.

[0019] Preferably, the feeding end of the vibrating feeder is provided with a feeding hopper; the discharge port of the impact crusher is provided with a vibrating unloader.

[0020] Preferably, a lifting cylinder is hinged to the feed hopper, with one end of the lifting cylinder hinged to the frame assembly, and the angle of the feed hopper is adjusted by the lifting cylinder.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] This crushing and screening station is equipped with tracked vehicles, enabling flexible movement of the entire machine and rapid relocation to different work sites without disassembly, adapting to various operational needs. The feeding mechanism adjusts the angle of the feed hopper via lifting cylinders, and combined with the vibrating feeder design, effectively optimizes feeding and reduces clogging. The screening system's multiple conveyors can be folded and unfolded, and with the multi-discharge port design of the vibrating screen host, it can achieve precise grading and efficient output of materials of various particle sizes. The return material mechanism can return substandard materials to the feed end for further crushing, improving material utilization. The equipment incorporates vibration damping designs in multiple areas, enhancing operational stability and extending equipment lifespan. Structural designs such as the hydraulic top-opening device facilitate equipment maintenance and replacement of vulnerable parts, reducing maintenance costs and ensuring continuous operation. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a diagram showing the working state of this utility model;

[0025] Figure 3 This is an internal structural diagram of the impact crusher main unit in this utility model;

[0026] Figure 4 This is a partial sectional view of the external structure of the impact crusher and the vibrating feeder in this utility model.

[0027] in:

[0028] 1. Frame assembly; 2. Feed hopper; 3. Vibrating feeder; 4. Impact crusher main unit; 5. Engine assembly; 6. Main conveyor; 7. Vibrating screen main unit; 8. Transfer conveyor; 9. Medium material conveyor; 10. Coarse material conveyor; 11. Screening conveyor; 12. Return material conveyor; 13. Electrical system; 14. Magnetic separator; 15. Track; 16. Screening support leg; 17. Folding support leg; 18. Support cylinder; 19. Traction cylinder; 21. Tie rod; 22. Hydraulic system; 24. Natural fine material conveyor; 25. Lifting cylinder; 26. Screening frame; 28. Hydraulic adjustment mechanism; 29. ​​Secondary impact plate; 30. Primary impact plate; 31. Top cover; 33. Hydraulic cylinder; 34. Independent unloader; 35. Vibrating motor; 36. Guide plate. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings. It should be noted that the embodiments described herein are only a part of the implementation of the present invention, and not all of them. Based on the content disclosed in this invention, any other embodiments derived by those skilled in the art without creative effort should fall within the protection scope of this invention.

[0030] like Figures 1 to 4 As shown, a mobile impact crusher and screening station with adjustable feed includes:

[0031] The frame assembly 1 has a walking track 15 at the bottom for moving the whole machine;

[0032] The feeding mechanism is installed on the frame assembly 1; the feeding mechanism includes a vibrating feeder 3 and a natural fine material conveyor 24; the vibrating feeder 3 is located above the natural fine material conveyor 24 and is used to discharge fine materials from the raw materials;

[0033] The impact crusher 4 is installed in the middle of the frame assembly 1; the feed inlet of the impact crusher 4 is connected to the discharge end of the vibrating feeder 3.

[0034] The screening system is installed on the frame assembly 1. The screening system includes a vibrating screen main unit 7, a coarse material conveyor 10, a medium material conveyor 9, a fine material conveyor, and a main conveyor 6. The vibrating screen main unit 7 is hinged to the frame assembly 1 via a traction cylinder 19 and a pin. The vibrating screen main unit 7 is equipped with a coarse material outlet, a medium material outlet, a fine material outlet, and a return outlet. The coarse material outlet is connected to the coarse material conveyor 10; the medium material outlet is connected to the medium material conveyor 9; the fine material outlet is connected to the fine material conveyor; and the return outlet is connected to the main conveyor 6.

[0035] The return material mechanism includes a return material conveyor 12, which is used to transport the material from the return material port of the vibrating screen host 7 to the vibrating feeder 3;

[0036] The control system, including the electrical system 13, the engine assembly 5, and the hydraulic system 22 mounted on the frame assembly 1, is used to control the operation of the entire crushing and screening station.

[0037] Furthermore, a screening frame 26 is hinged to the frame assembly 1; the main conveyor 6 is mounted on the screening frame 26; a telescopic tie rod 21 is hinged between the screening frame 26 and the frame assembly 1; a traction cylinder 19 is hinged to the screening frame 26, with one end of the traction cylinder 19 hinged to the frame assembly 1; the traction cylinder 19 drives the folding and unfolding of the main conveyor 6 relative to the frame assembly 1; the coarse material conveyor 10, the medium material conveyor 9, and the fine material conveyor are all hinged to the screening frame 26 via folding cylinders, and the folding and unfolding of the coarse material conveyor 10, the medium material conveyor 9, and the fine material conveyor are driven by the folding cylinders.

[0038] Furthermore, the return conveyor 12 is hinged to the main frame via a transverse support; an adjusting cylinder is hinged to the main frame and is hinged to the return conveyor 12, thereby adjusting the tilt angle of the return conveyor 12.

[0039] Furthermore, the vibrating feeder 3 is connected to the main frame via a spring damper.

[0040] Furthermore, a magnetic separator 14 is installed on the main conveyor 6 to remove iron blocks contained in the crushed material.

[0041] Furthermore, both the impact crusher 4 and the electrical system 13 are mounted on the frame assembly 1 via shock absorbers.

[0042] Furthermore, the frame assembly 1 is provided with folding legs 17 and screening legs 16; the folding legs 17 and screening legs 16 are used to provide support when the screening system is deployed.

[0043] Furthermore, the feed end of the vibrating feeder 3 is equipped with a feed hopper 2; the discharge port of the impact crusher host 4 is equipped with a vibrating unloader.

[0044] Furthermore, a lifting cylinder 25 is hinged to the feed hopper 2, and one end of the lifting cylinder 25 is hinged to the frame assembly 1. The angle of the feed hopper 2 is adjusted by the lifting cylinder 25.

[0045] Working principle:

[0046] Under standard operating conditions, sand and gravel aggregates or ores are loaded into the feed hopper 2 by the upstream crushing equipment or excavator, and then conveyed to the impact crusher host 4 via the vibrating feeder 3 for crushing. The crushed material is buffered by the vibrating unloader and falls onto the conveyor belt of the main conveyor 6, which then transports the crushed stone to the vibrating screen host 7. The vibrating screen host 7 is equipped with three layers of screens with different apertures according to the customer's particle size requirements, classifying the crushed material into four different specifications: semi-finished product, coarse material, medium material, and fine material. The semi-finished product is returned to the feed hopper 2 via the medium material conveyor 8 and the return conveyor 12 for secondary crushing; the coarse material is output via the coarse material conveyor 10; the medium material is output via the medium material conveyor 9; and the fine material is output via the screening conveyor 11, thus obtaining three types of finished products.

[0047] In this embodiment, the impact crusher 4 has four speed settings, suitable for various complex working conditions. The feed inlet of the impact crusher 4 and its configured primary impact plate 30 are wirelessly remotely controlled and hydraulically lifted, reducing the risk of feed blockage. The arc-shaped design of the impact crusher 4's hammers ensures long-term impact crushing performance and improves the finished product particle shape. The lifespan design of the impact crusher 4's hammers, impact plates, and wear-resistant plates provides higher impact resistance and wear resistance, resulting in greater economic efficiency. The diverse hammer materials allow for reasonable matching according to actual working conditions, effectively reducing operating costs. These advantages make it widely used in mining, building materials, and chemical industries.

[0048] As attached Figure 3 As shown, the top of the impact crusher 4 is equipped with a hydraulic top-opening device, which includes a hydraulic cylinder 33 and a top cover 31. When it is necessary to clear blockages or replace the hammers of the impact crusher 4, the hydraulic cylinder 33 is activated by the hydraulic system 22 to lift the top cover 31 backward, exposing the crushing chamber for quick maintenance. The pressure of the hydraulic system 22 is adjustable to ensure a smooth and reliable opening and closing process.

[0049] The primary impact plate 30 and the secondary impact plate 29 are respectively connected to the hydraulic cylinder 33 and the hydraulic adjustment mechanism 28. The hydraulic adjustment mechanism 28 includes a hydraulic rod, a displacement sensor, a proximity switch, an integrated relief valve, and a pilot sequence valve. The hydraulic adjustment mechanism 28 of the secondary impact plate 29 is equipped with overload and over-iron protection devices, which automatically identify and stop the machine. The target discharge particle size can be input via the control panel. The impact crusher 4 digitally and automatically adjusts the discharge port, automatically detects zero point, and the hydraulic system 22 automatically adjusts the gap between the primary impact plate 30 and the secondary impact plate 29. The displacement sensor provides real-time position data feedback, achieving closed-loop control. The adjustment range is 15-50mm, with an accuracy of ±0.5mm.

[0050] An independent unloading machine 34 is installed below the impact crusher 4, including a guide plate 36 and a vibrating motor 35. The guide plate 36 is made of high wear-resistant liner. The crushed material falls onto the guide plate 36, and the vibrating motor 35 drives the material to fall onto the main conveyor 6 at a controllable speed to avoid direct impact.

[0051] The hydraulic top-opening device, hydraulic adjustment mechanism, and independent unloading machine are all integrated into a central control system, supporting manual and automatic mode switching. The central control system monitors the load, discharge particle size, and conveyor belt tension of the impact crusher 4 in real time, automatically alarming or adjusting parameters in case of abnormalities to ensure stable operation.

[0052] The above description is merely a preferred embodiment of this utility model, achieving efficient, low-consumption, and long-life crushing and screening operations. However, the scope of protection of this utility model is not limited thereto. Any person skilled in the art who makes equivalent substitutions or modifications based on the technical solution and core design concept of this utility model within the scope of the technology disclosed herein shall also fall within the scope of protection of this utility model.

Claims

1. A mobile impact crushing and screening station with adjustable feed, characterized in that, include: The frame assembly is equipped with tracks at the bottom for moving the entire machine; The feeding mechanism is mounted on the frame assembly; The feeding mechanism includes a vibrating feeder and a natural fine material conveyor; The vibrating feeder is positioned above the natural fine material conveyor and is used to discharge fine materials from the raw materials; The impact crusher is installed in the middle of the frame assembly; the feed inlet of the impact crusher is connected to the discharge end of the vibrating feeder. The screening system is mounted on the frame assembly. The screening system includes a vibrating screen main unit, a coarse material conveyor, a medium material conveyor, a fine material conveyor, and a main conveyor. The vibrating screen main unit is hinged to the frame assembly via a traction cylinder and pins. The vibrating screen main unit is equipped with a coarse material outlet, a medium material outlet, a fine material outlet, and a return outlet. The coarse material outlet is connected to the coarse material conveyor; the medium material outlet is connected to the medium material conveyor; the fine material outlet is connected to the fine material conveyor; and the return outlet is connected to the main conveyor. The return material mechanism, including the return material conveyor, is used to transport the material from the return port of the vibrating screen host to the vibrating feeder; The control system, including the electrical system, engine assembly, and hydraulic system mounted on the frame assembly, is used to control the operation of the entire crushing and screening station.

2. The adjustable-feed mobile impact crusher and screening station as described in claim 1, characterized in that, A screening frame is hinged to the frame assembly; the main conveyor is mounted on the screening frame; a telescopic tie rod is hinged between the screening frame and the frame assembly; a traction cylinder is hinged to the screening frame, with one end of the traction cylinder hinged to the frame assembly; the traction cylinder drives the folding and unfolding of the main conveyor relative to the frame assembly; the coarse material conveyor, medium material conveyor, and fine material conveyor are all hinged to the screening frame via folding cylinders, and the folding and unfolding of the coarse material conveyor, medium material conveyor, and fine material conveyor are driven by the folding cylinders.

3. The adjustable-feed mobile impact crusher and screening station as described in claim 1, characterized in that, The return material conveyor is hinged to the main frame via a lateral support; an adjusting cylinder is hinged to the main frame and is hinged to the return material conveyor, and the tilt angle of the return material conveyor is adjusted by adjusting the adjusting cylinder.

4. The adjustable-feed mobile impact crusher and screening station as described in claim 1, characterized in that, The vibrating feeder is connected to the main frame via spring shock absorbers.

5. The adjustable-feed mobile impact crusher and screening station as described in claim 4, characterized in that, The main conveyor is equipped with a magnetic separator, which is used to remove iron blocks contained in the crushed material.

6. The adjustable-feed mobile impact crusher and screening station as described in any one of claims 1 to 5, characterized in that, The impact crusher and electrical system are both mounted on the frame assembly via shock absorbers.

7. The mobile impact crushing and screening station with adjustable feed as described in claim 1, characterized in that, The frame assembly is equipped with folding legs and screening legs; the folding legs and screening legs are used to provide support when the screening system is deployed.

8. The adjustable-feed mobile impact crusher and screening station as described in claim 1, characterized in that, The vibrating feeder is equipped with a feed hopper at its feed end; the impact crusher is equipped with a vibrating unloader at its discharge port.

9. The adjustable-feed mobile impact crusher and screening station as described in claim 8, characterized in that, A lifting cylinder is hinged to the feed hopper, with one end of the lifting cylinder hinged to the frame assembly. The angle of the feed hopper can be adjusted by the lifting cylinder.

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