Dust suction and collection system for a shearing machine

Abstract

The present application relates to the technical field of dust collection and dust collection, and discloses a dust collection and dust collection system of a shearing machine, which comprises a dust collection and dust collection system, the dust collection and dust collection system comprises a dust collection and collection module, a wind channel guide module, a negative pressure fan module, a grading filter module, a closed dust collection module, a closed dust collection module and a control and protection module, the grading filter module comprises primary coarse filtration, secondary medium-efficiency filtration and tertiary high-efficiency exhaust filtration, short hair, flying dust and broken dust generated by the cutting of the fabric by the cutter roll of the shearing machine are synchronously sucked into the filter box through the nozzle dust collection cover and the side air inlet under the action of the negative pressure generated by the negative pressure fan, then the large hair and dust are first intercepted by the primary coarse filter and fall into the dust collection drawer, and then the fine dust is filtered and purified by the secondary filter and the tertiary filter, and then the clean air is discharged from the fan exhaust end, the hair and dust waste is stored in the dust collection box in a closed manner, and the full process is free of flying dust and secondary pollution.

Description

Technical Field

[0001] The present invention relates to the technical field of dust suction and dust collection, and specifically relates to a dust suction and dust collection system for a shearing machine. Background Art

[0002] A shearing machine is a core device in the processing of fabrics, carpets, woolen fabrics and plush fabrics. It trims excess fluff on the surface of fabrics through high-speed rotation of a cutter roller, so that the fabric surface is flat and the fluff is uniform, thereby improving the appearance and hand feel of products. During the shearing operation, a large amount of short fibers, flying flocks, crushed fluff and dust will be generated. If such wastes are not treated in a timely and effective manner, they will seriously affect the production efficiency, product quality and workshop operation environment, which has become an urgent technical pain point to be solved in the industry.

[0003] At present, most of the existing dust suction and dust collection devices matched with shearing machines have the problems of simple structure and single function, and are difficult to meet the demands of large-scale and continuous production. Specifically, most traditional dust suction devices adopt a single suction inlet design, which only collects the flocks near the shearing cutter roller, resulting in dust suction dead angles. A large amount of floating flying flocks will escape from the fabric conveying gaps and the gaps of the machine frame, which not only pollutes the workshop air, but also adheres to the surface of the fabrics to be processed or processed, resulting in wool defects and dirt on the fabrics, increasing subsequent cleaning processes and reducing the product qualification rate.

[0004] In the dust collection and filtration link, most of the existing devices adopt a single-layer filtration structure, which can only intercept large flocks and cannot effectively filter fine fiber dust and ultra-fine dust. On the one hand, it is easy to cause air duct blockage and negative pressure attenuation, affecting the dust suction effect; on the other hand, the unfiltered dust will be discharged with the exhaust air of the fan, causing secondary pollution in the workshop, which does not meet the environmental protection requirements of modern industry. Meanwhile, some dust collection devices adopt open or semi-open structures, which are prone to secondary dust raising during the storage of flocks, and the cleaning of the dust collection box is cumbersome. The air duct needs to be disassembled to complete the dumping of waste, which occupies a lot of production time and affects the continuous operation efficiency.

[0005] In addition, most of the existing dust suction systems and the main machine of the shearing machine are independently controlled, which need to be manually started respectively when turning on. After shutdown, the flocks remaining in the air duct cannot be sucked and cleaned in time, and long-term accumulation is prone to breed bacteria and generate peculiar smells, and there is a hidden danger of air duct blockage. Some systems are not provided with effective anti-winding, anti-dust-overflow and anti-static structures, which are prone to problems such as long thread ends being drawn into the air duct, dust collection overflow and backflow, and static electricity adsorbing flocks during operation, which not only affects the stability of the system, but also has certain potential safety hazards.

[0006] Meanwhile, for existing older shearing machines, most dust collection devices are difficult to adapt and retrofit. Replacing the entire system would increase production costs and waste equipment resources. Therefore, developing a dust collection system that provides stable suction, eliminates blind spots, filters thoroughly, has a sealed dust collection system, is easy to operate, is compatible with both new and old shearing machines, and effectively addresses the aforementioned technical challenges has become an urgent need in the fabric processing industry. Summary of the Invention

[0007] To address the shortcomings of existing technologies, this invention provides the following technical solution: a dust collection and extraction system for a hair shearing machine, comprising a dust collection and extraction system, which includes a dust collection module, an air duct guiding module, a negative pressure fan module, a graded filtration module, a sealed dust collection module, and a control and protection module;

[0008] The dust collection module includes a dust collection cover for the shearing head, auxiliary side air intakes, and an anti-tangling grid.

[0009] The air duct guide module adopts a gradient PVC silent air duct with a smooth and anti-static inner wall to reduce air resistance and lint adhesion. The air duct diameter transitions step by step to avoid negative pressure attenuation. The main air duct branches are uniformly gathered into the filter box. The air duct interface adopts a quick-release buckle design for easy disassembly and cleaning of internal lint.

[0010] The negative pressure fan module uses an industrial high-pressure centrifugal negative pressure fan, which is matched with the working width of the shearing machine to provide constant negative pressure suction. The fan has an external shock-absorbing base and a sound insulation cover to reduce operating vibration and noise. The air volume can be frequency-adjusted to adapt to the shearing and dust collection needs of different fabrics such as thin fabrics, thick fleece, and long fleece.

[0011] The tiered filtration module includes a primary coarse filter, a secondary medium-efficiency filter, and a tertiary high-efficiency exhaust filter.

[0012] Preferably, the dust collection hood of the shearing machine head is designed with an arc-shaped air collection hood closely attached to the upper and lower sides of the shearing roller, fully covering the shearing operation area, with reserved cutting edges for fabric entry and exit, and a guide air collection channel inside the hood to accurately target the shearing point where the hair falls, eliminating dust dead corners. The auxiliary air intakes on the sides of the fabric conveying roller of the machine are added to absorb floating lint and edge hair, preventing lint from escaping. The anti-tangling grid air intake has a removable stainless steel fine grid inside to prevent long strips of fabric and thread ends from getting into the air duct, avoiding air duct blockage.

[0013] Preferably, the first-stage coarse filtration uses a large-pore non-woven bag filter to intercept long fibers and clumps of lint, which can be quickly disassembled and cleaned by beating. The second-stage medium-efficiency filtration uses a needle-punched cotton filter core to intercept short hairs and fine fiber dust, with high filtration accuracy, good air permeability, and is not prone to air blockage. The third-stage high-efficiency exhaust filtration uses a HEPA micro-dust filter layer to filter ultrafine dust, ensuring clean exhaust without flying dust and meeting the environmental protection requirements of the workshop.

[0014] Preferably, the sealed dust collection module includes a sunken dust collection box, a drawer-type dust collection drawer, and an anti-overflow limit sensor.

[0015] Preferably, the sunken dust collection box is located at the bottom of the equipment. The large-capacity sealed box avoids secondary dust generation after dust collection. The drawer-type dust collection drawer adopts a pull-out drawer structure with sealing strips. During cleaning, there is no need to disassemble the air duct. The dust collection box can be directly pulled out to empty the lint and waste material. The overflow limit sensor uses a built-in material level sensor to automatically sound and light alarm when the dust collection is full, reminding you to clean in time and preventing dust from overflowing and flowing back into the air duct.

[0016] Preferably, the control and protection module includes linkage start-stop control, frequency conversion speed control panel, overload and stall protection, and anti-static design.

[0017] Preferably, the linkage start-stop control is electrically linked with the main unit of the shearing machine, automatically starting the vacuuming when the machine is turned on and delaying the shutdown when it is turned off, thus cleaning up the residual lint in the air duct. The frequency speed control panel is an external knob with a digital display, which can manually adjust the fan air volume. Overload and stall protection are provided for the fan, including overload protection and phase loss protection. The machine will automatically shut down when the air duct is blocked or the air volume is abnormal. The anti-static design uses grounding of the air duct and dust collection box to prevent the static electricity adsorption and accumulation of lint and eliminate safety hazards.

[0018] Compared with the prior art, the present invention provides a dust suction and collection system for a shearing machine, which has the following beneficial effects:

[0019] 1. The dust collection system of this shearing machine removes short hairs, lint, and dust generated during fabric trimming by the shearing machine's blade rollers. Under the negative pressure suction of the negative pressure fan, the dust is simultaneously sucked into the dust collection hood and side air inlets. The dust is then collected in the filter box through the air duct. First, it passes through a primary coarse filter to intercept large pieces of lint, which fall into the dust collection drawer. Then, it passes through secondary and tertiary filters to purify the fine dust. Finally, clean air is discharged from the exhaust end of the fan. The lint waste is stored in a sealed dust collection box. When the box is full, an alarm sounds and manual cleaning is required. The entire process is dust-free, with no secondary pollution, full coverage dust collection, and no dead corners during shearing.

[0020] 2. The dust collection and suction system of this shearing machine completely solves the problems of flying lint and lint sticking to fabrics in the workshop. The three-stage filtration does not clog the air duct or damage the fan. The exhaust meets the environmental protection standards of the workshop. The quick-release air duct and pull-out dust collection box make daily cleaning and maintenance simple and quick. It is linked with the main unit for frequency conversion, adapts to different fabrics, is energy-saving and low-noise, and has stable continuous operation. The sealed dust collection and anti-static structure eliminate the safety hazards of dust and static electricity.

[0021] 3. The dust collection and suction system of this shearing machine adopts a modular design. Each module can be disassembled, inspected and replaced independently. If a module fails, there is no need to stop the machine for overall maintenance. Only the corresponding module needs to be replaced to quickly resume operation, further reducing downtime losses.

[0022] 4. The dust collection and extraction system of this shearing machine, with the application of a HEPA high-efficiency filter layer, can effectively filter ultrafine dust, avoid dust emissions from polluting the surrounding environment, help enterprises meet higher environmental emission standards, and enhance the enterprise's green production image; the anti-static and smooth treatment of the inner wall of the air duct can reduce lint adhesion, reduce the probability of air duct blockage, reduce the fan load, further extend the service life of the fan, and at the same time reduce the frequency of cleaning and improve the stability of equipment operation. Attached Figure Description

[0023] Figure 1 This is a system block diagram of the present invention. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings, wherein the same parts are indicated by the same reference numerals. It should be noted that the terms “front”, “rear”, “left”, “right”, “upper” and “lower”, “bottom surface” and “top surface” used in the following description refer to the directions in the drawings, and the terms “inner” and “outer” refer to the directions toward or away from the geometric center of a specific part, respectively.

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] Please refer to the system block diagram. The present invention provides a technical solution: a dust collection and dust extraction system for a hair shearing machine, comprising a dust collection and dust extraction system, which includes a dust collection module, an air duct guide module, a negative pressure fan module, a graded filtration module, a sealed dust extraction module, and a control and protection module.

[0027] The dust collection module includes a dust collection cover for the shearing head, auxiliary side air intakes, and an anti-tangling grid.

[0028] The air duct guide module adopts a gradient PVC silent air duct with a smooth and anti-static inner wall to reduce air resistance and lint adhesion. The air duct diameter transitions step by step to avoid negative pressure attenuation. The main air duct branches are uniformly gathered into the filter box. The air duct interface adopts a quick-release buckle design for easy disassembly and cleaning of internal lint.

[0029] The negative pressure fan module uses an industrial high-pressure centrifugal negative pressure fan, which is matched with the working width of the shearing machine to provide constant negative pressure suction. The fan has an external shock-absorbing base and a sound insulation cover to reduce operating vibration and noise. The air volume can be frequency-adjusted to adapt to the shearing and dust collection needs of different fabrics such as thin fabrics, thick fleece, and long fleece.

[0030] The tiered filtration module includes a primary coarse filter, a secondary medium-efficiency filter, and a tertiary high-efficiency exhaust filter.

[0031] The dust collection hood of the shearing machine head features an arc-shaped air collection hood designed close to the upper and lower sides of the shearing roller, fully covering the shearing operation area. It has reserved entry and exit points for fabric and has a guide and air-gathering channel inside the hood to accurately target the shearing point and eliminate dust dead corners. The auxiliary air intakes on both sides of the fabric conveying roller of the machine are added to absorb floating lint and edge hairs to prevent lint from escaping. The anti-tangling grid air intake has a removable stainless steel fine grid inside to prevent long strips of fabric and thread ends from getting into the air duct and avoid air duct blockage.

[0032] The first-stage coarse filtration uses a large-pore non-woven bag filter to intercept long fibers and clumps of lint. It can be quickly disassembled and cleaned by tapping. The second-stage medium-efficiency filtration uses a needle-punched cotton filter core to intercept short hair and fine fiber dust. It has high filtration accuracy, good air permeability, and is not easy to clog. The third-stage high-efficiency exhaust filtration uses a HEPA micro-dust filter layer to filter ultra-fine dust. The exhaust is clean and dust-free, meeting the environmental protection requirements of the workshop.

[0033] The sealed dust collection module includes a sunken dust collection box, a drawer-type dust collection drawer, and an anti-overflow limit sensor;

[0034] The sunken dust collection box is located at the bottom of the equipment. The large-capacity sealed box prevents secondary dust generation after dust collection. The drawer-type dust collection drawer adopts a pull-out drawer structure with sealing strips. When cleaning, there is no need to disassemble the air duct. You can directly pull it out to dump the lint and waste material. The overflow limit sensor uses a built-in material level sensor to automatically sound and light alarm when the dust collection is full, reminding you to clean it in time and prevent dust from overflowing and flowing back into the air duct.

[0035] The control and protection module includes linkage start-stop control, frequency converter speed control panel, overload and stall protection, and anti-static design;

[0036] The linkage start-stop control is electrically linked with the main unit of the shearing machine. It automatically starts vacuuming when the machine is turned on and shuts down after a delay when the machine is turned off, effectively removing residual lint from the air duct. The frequency speed control panel is an external knob with a digital display, which allows manual adjustment of the fan airflow. Overload and stall protection are provided for the fan, including overload protection and phase loss protection. The machine automatically shuts down when the air duct is blocked or the airflow is abnormal. The anti-static design uses grounding for the air duct and dust collection box to prevent the static electricity adsorption and accumulation of lint, eliminating safety hazards.

[0037] During use, the short hairs, lint, and dust generated by the shearing machine's blade rollers trimming the fabric are then simultaneously sucked into the dust collection hood and side air intake by the negative pressure suction generated by the negative pressure fan. The dust is then collected in the filter box through the guide air duct. First, it passes through a primary coarse filter to intercept large pieces of lint, which fall into the dust collection drawer. Then, it passes through a secondary and tertiary filter to purify the fine dust. Finally, clean air is discharged from the exhaust end of the fan. The lint waste is stored in a sealed dust collection box. When the box is full, an alarm sounds and manual cleaning is required. The entire process is dust-free and free from secondary pollution.

[0038] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust collection and suction system for a shearing machine, comprising a dust collection and suction system, characterized in that: The dust collection and extraction system includes a dust collection module, an air duct guide module, a negative pressure fan module, a graded filtration module, a sealed dust collection module, and a control and protection module. The dust collection module includes a dust collection cover for the shearing head, auxiliary side air intakes, and an anti-tangling grid. The air duct guide module adopts a gradient PVC silent air duct with a smooth and anti-static inner wall to reduce air resistance and lint adhesion. The air duct diameter transitions step by step to avoid negative pressure attenuation. The main air duct branches are uniformly gathered into the filter box. The air duct interface adopts a quick-release buckle design for easy disassembly and cleaning of internal lint. The negative pressure fan module uses an industrial high-pressure centrifugal negative pressure fan, which is matched with the working width of the shearing machine to provide constant negative pressure suction. The fan has an external shock-absorbing base and a sound insulation cover to reduce operating vibration and noise. The air volume can be frequency-adjusted to adapt to the shearing and dust collection needs of different fabrics such as thin fabrics, thick fleece, and long fleece. The tiered filtration module includes a primary coarse filter, a secondary medium-efficiency filter, and a tertiary high-efficiency exhaust filter.

2. The dust collection and suction system for a shearing machine according to claim 1, characterized in that: The dust collection hood of the shearing machine head features an arc-shaped air collection hood designed closely to the upper and lower sides of the shearing roller, fully covering the shearing operation area. It has reserved entry and exit points for the fabric and a guide air collection channel inside the hood to accurately target the shearing point and eliminate any dust dead corners. The auxiliary air intakes on both sides of the fabric conveying roller of the machine are added to absorb floating lint and edge hairs to prevent lint from escaping. The anti-tangling grid air intake has a removable stainless steel fine grid inside to prevent long strips of fabric and thread ends from getting into the air duct and avoid air duct blockage.

3. The dust collection and suction system for a shearing machine according to claim 1, characterized in that: The first-stage coarse filtration uses a large-pore non-woven bag filter to intercept long fibers and clumps of lint, which can be quickly disassembled and cleaned by tapping. The second-stage medium-efficiency filtration uses a needle-punched cotton filter core to intercept short hairs and fine fiber dust, with high filtration accuracy, good air permeability, and is not prone to air blockage. The third-stage high-efficiency exhaust filtration uses a HEPA micro-dust filter layer to filter ultrafine dust, ensuring clean exhaust air without flying dust and meeting the environmental protection requirements of the workshop.

4. The dust collection and suction system for a shearing machine according to claim 1, characterized in that: The sealed dust collection module includes a sunken dust collection box, a drawer-type dust collection drawer, and an anti-overflow limit sensor.

5. The dust collection and suction system for a shearing machine according to claim 4, characterized in that: The sunken dust collection box is located at the bottom of the equipment. The large-capacity sealed box prevents secondary dust generation after dust collection. The drawer-type dust collection drawer adopts a pull-out drawer structure with sealing strips. During cleaning, there is no need to disassemble the air duct. You can directly pull it out to dump the lint and waste material. The overflow limit sensor uses a built-in material level sensor to automatically sound and light alarm when the dust collection is full, reminding you to clean it in time and preventing dust from overflowing and flowing back into the air duct.

6. The dust collection and suction system for a shearing machine according to claim 1, characterized in that: The control and protection module includes linkage start-stop control, frequency conversion speed control panel, overload and stall protection, and anti-static design.

7. The dust collection and suction system for a shearing machine according to claim 6, characterized in that: The linkage start-stop control is electrically linked with the main unit of the shearing machine. It automatically starts vacuuming when the machine is turned on and shuts down after a delay when the machine is turned off, cleaning up the residual lint in the air duct. The frequency speed control panel is an external knob with a digital display, which can manually adjust the fan volume. Overload and stall protection are provided for the fan, and phase loss protection is provided. The machine will automatically shut down when the air duct is blocked or the air volume is abnormal. The anti-static design is achieved by grounding the air duct and dust collection box as a whole to prevent the static electricity adsorption and accumulation of lint and eliminate safety hazards.

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