Smoke purifier for laser marking
By combining a fan, a coarse filter, and a fine filter, the problem of direct smoke emission during laser marking is solved, achieving efficient smoke purification and reducing pollution and health risks.
Patent Information
- Application Number
- CN202422933691.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The lack of effective fume purification equipment in the current technology results in the direct emission of fumes generated during laser marking into the air, polluting the atmosphere and threatening the health of workers.
The system employs a combination of an exhaust fan, a coarse filter, and a fine filter. Through the design of the air inlet duct, the containment chamber, and the air outlet, it achieves smoke purification. The coarse filter removes metal shavings and large particles, the fine filter further purifies the smoke, and the exhaust fan outputs the purified air.
It effectively reduces harmful residues in smoke, reduces air pollution, protects the health of workers, and has high market value and application prospects.
Smart Images

Figure CN223557501U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of laser marking, in particular to a smoke purifier for laser marking. BACKGROUND
[0002] Laser marking is one of the largest application fields of laser processing, which is a marking method that uses high-energy density laser to irradiate the workpiece locally, so that the surface layer of the workpiece is vaporized or undergoes a chemical reaction to change color, thereby leaving a permanent mark. In the process of laser marking, the surface of the product needs to be vaporized or its color needs to be changed, so that smoke will inevitably be generated during processing, and even some toxic gases will be generated, especially when marking some plastic products. However, there is a lack of equipment in the prior art to process these smokes, which are usually directly discharged into the air, which not only pollutes the atmosphere, but also poses a great threat to the health of the workers. Therefore, it is necessary to develop a device for purifying marking smoke. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the above-mentioned problems existing in the prior art, the present application provides a smoke purifier for laser marking, which comprises a base and an upper cover, the base and the upper cover are detachably connected, a controller and an air extractor are arranged in the upper cover, and the air extractor is electrically connected with the controller; an air inlet pipe is arranged on the side wall of the base, a containing cavity is arranged in the base, a coarse filter is arranged in the containing cavity, the coarse filter is connected with the air inlet pipe in communication, a fine filter is arranged on the lower end face of the upper cover, the fine filter extends into the containing cavity, the input end of the air extractor is connected with the fine filter in communication, an air outlet hole is arranged on the side wall of the upper cover, and the output end of the air extractor is connected with the air outlet hole in communication.
[0004] As a further improvement of the present application, the coarse filter is an organ filter bag, an air inlet joint is arranged on the side wall of the base, the air inlet pipe is connected with the air inlet joint, and the organ filter bag is sleeved on the outer periphery of the end of the air inlet joint away from the air inlet pipe.
[0005] As a further improvement of the present application, a filter core is arranged in the fine filter, and the filter core comprises one or more of the following filter materials: molecular sieve desiccant, activated carbon and filter cotton.
[0006] As a further improvement of the present application, a detection sensor is arranged in the upper cover, the detection sensor is used to detect whether the fine filter is blocked, an alarm lamp is mounted on the outer side wall of the upper cover, and the detection sensor and the alarm lamp are respectively connected with the controller.
[0007] As a further improvement of the present application, the upper cover is provided with a power adapter, which is electrically connected with the controller, and is used for external power supply.
[0008] As a further improvement of the present application, the side wall of the upper cover is provided with a starting switch and an adjusting switch, which are electrically connected with the controller respectively.
[0009] As a further improvement of the present application, the outer side wall of the upper cover is provided with a first hanging buckle, and the outer side wall of the base is provided with a second hanging buckle at a position corresponding to the first hanging buckle, and the first hanging buckle is detachably buckled with the corresponding second hanging buckle.
[0010] As a further improvement of the present application, the outer side wall of the upper cover is provided with a handle.
[0011] As a further improvement of the present application, the lower end surface of the base is provided with a plurality of supporting casters.
[0012] Compared with the prior art, the present application has the following beneficial effects:
[0013] The present application has high market value and application prospect. Before work, the end of the air inlet pipe away from the base is connected with the smoke exhaust device of the laser marking equipment; during work, the air extractor is controlled to work to extract the air in the accommodating cavity, so that negative pressure is generated in the accommodating cavity; the smoke generated by the laser marking equipment enters the coarse filter through the air inlet pipe; some metal chips and large particles are filtered out through the coarse filter; the smoke filtered by the coarse filter flows into the accommodating cavity through the outer side wall of the coarse filter; then flows into the fine filter, and is purified by the fine filter before flowing into the air extractor; then is output from the upper cover by the air extractor, and finally is discharged from the air outlet hole. Through the double filtration and purification of the coarse filter and the fine filter, the harmful residues in the smoke can be greatly reduced, so that the pollution of the atmosphere is reduced, and the health of the workers is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0015] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;
[0016] Figure 2 is another view of the embodiment of the utility model structure schematic diagram;
[0017] Figure 3 is the embodiment of the utility model internal structure schematic diagram;
[0018] Figure 4 is the embodiment of the utility model exploded structure schematic diagram. DETAILED DESCRIPTION
[0019] 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 application belongs; the terminology used in the description is for describing specific embodiments only and is not intended to be limiting of the application; the description and the claims herein using the term "comprising" and "including" and their derivatives mean "including, but not limited to"; the terms "first", "second", and the like used in the description and the claims are used to distinguish between similar objects, not to describe a particular order.
[0020] Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is expressly understood that the described embodiments of the application are merely example embodiments and that it is expressly intended to include both combinations and individual aspects of the described embodiments and their equivalents.
[0021] In order to make the technical personnel in the technical field better understand the scheme of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings.
[0022] As Figures 1-4 The utility model provides a laser marking smoke purifier, including base 1 and upper cover 2, base 1 is detachably connected with upper cover 2, and controller 3 and exhaust fan 4 are fixedly installed in upper cover 2, and exhaust fan 4 is electrically connected with controller 3. The side wall of base 1 is installed with air inlet pipe 5, and the inside of base 1 is equipped with containing cavity 6, and coarse filter 7 is arranged in containing cavity 6, and coarse filter 7 is communicated with air inlet pipe 5, and the lower end surface of upper cover 2 is equipped with fine filter 8, and one end of fine filter 8 extends into containing cavity 6, and the lower end inside wall of upper cover 2 is equipped with mounting hole, and exhaust fan 4 is fixedly installed at the corresponding position of mounting hole, so that the input end of exhaust fan 4 is communicated with fine filter 8. The side wall of upper cover 2 is equipped with a plurality of air outlet holes 9, and the inner cavity of upper cover 2 is communicated with air outlet hole 9, so that the output end of exhaust fan 4 is communicated with air outlet hole 9.
[0023] Before working, the end of the air inlet pipe 5 away from the base 1 is communicated with the smoke outlet device of the laser marking equipment. During working, the air extractor 4 is controlled to work by the controller 3, and the air extractor 4 can extract the air in the containing cavity 6, so that the negative pressure is generated in the containing cavity 6. At this time, the smoke generated by the laser marking equipment can enter the coarse filter 7 through the air inlet pipe 5, and some metal chips and large particles can be filtered out through the coarse filter 7. The smoke filtered through the coarse filter 7 can flow into the containing cavity 6 through the outer side wall of the coarse filter 7, and then flow into the fine filter 8. After being purified through the fine filter 8, the smoke can flow into the air extractor 4. Then the smoke is output into the inner cavity of the upper cover 2 through the air extractor 4, and finally is discharged from the air outlet hole 9. After being filtered and purified through the coarse filter 7 and the fine filter 8, the harmful residues in the smoke can be greatly reduced, so that the air pollution is reduced, and the health of the workers is protected.
[0024] In the embodiment, the air outlet holes 9 are arranged in an array on the side wall of the upper cover 2. By arranging a plurality of air outlet holes 9, the air circulation efficiency is improved, and the stable and continuous processing is ensured.
[0025] The upper cover 2 and the base 1 are connected in a detachable manner, so that the coarse filter 7 and the fine filter 8 in the inner part can be replaced. Specifically, a plurality of first hanging buckles 10 are arranged on the outer side wall of the upper cover 2, and a plurality of second hanging buckles 11 are arranged on the outer side wall of the base 1 at positions corresponding to the first hanging buckles 10. The first hanging buckles 10 and the corresponding second hanging buckles 11 are detachably buckled and connected. Under normal circumstances, the first hanging buckles 10 are respectively buckled and fixed with the corresponding second hanging buckles 11, so that the upper cover 2 and the base 1 are connected and fixed, and the inner part of the containing cavity 6 forms a closed cavity. When the coarse filter 7 or the fine filter 8 needs to be replaced, the user can separate the first hanging buckles 10 from the second buckles, so that the base 1 and the upper cover 2 are separated. Then the upper cover 2 is taken out, and the coarse filter 7 or the fine filter 8 can be replaced. After replacement, the first hanging buckles 10 and the second buckles are buckled and fixed.
[0026] In the embodiment, the coarse filter 7 is an organ filter bag, and the air inlet joint 12 is arranged on the side wall of the base 1. The air inlet pipe 5 is connected with the air inlet joint 12, and the organ filter bag is sleeved on the outer periphery of the end of the air inlet joint 12 away from the air inlet pipe 5. The organ filter bag can adopt any existing one, and the specific structure is not limited in the utility model. During the specific working process, when the air extractor 4 works, the smoke flowing into the base 1 through the air inlet pipe 5 can first flow into the organ filter bag. Then the smoke flows out to the containing cavity 6 through the outer side wall of the organ filter bag. The organ filter bag can filter the metal chips and large particles in the smoke, so as to achieve the purpose of coarse filtration.
[0027] The fine-effect filter 8 is provided with a filter core, which can be made of one or more of the following filter materials: molecular sieve desiccant, activated carbon and filter cotton. The smoke filtered by the coarse-effect filter 7 flows into the filter core in the accommodating cavity 6, is filtered again by the filter core, and then flows into the air extractor 4, so that dust and toxic substances in the smoke can be removed. In other embodiments, the fine-effect filter 8 can also be any filter device capable of filtering dust.
[0028] The upper cover 2 is provided with a detection sensor 13 for monitoring whether the fine-effect filter 8 is blocked. An alarm lamp 14 is arranged on the outer side wall of the upper cover 2, and the detection sensor 13 and the alarm lamp 14 are respectively connected to the controller 3. When the detection sensor 13 detects that the fine-effect filter 8 is blocked, a feedback signal is sent to the controller 3, and the controller 3 controls the alarm lamp 14 to light up, reminding the user to replace the fine-effect filter 8 in time. Specifically, the detection sensor 13 can be a negative pressure switch, which monitors the negative pressure of the fine-effect filter 8 to determine whether it is blocked. In other embodiments, the detection sensor 13 can also be a mechanical device or an electronic device capable of detecting blockage.
[0029] The upper cover 2 is provided with a power adapter 15 electrically connected to the controller 3, which is used to connect to an external power source. The smoke purifier can be directly connected to a commercial power supply, and the power adapter 15 converts the commercial power supply into a power source and / or current that matches the smoke purifier, so as to ensure that the smoke purifier can work stably.
[0030] The side wall of the upper cover 2 is provided with a start switch 16 and an adjustment switch 17, which are respectively electrically connected to the controller 3. The start switch 16 is used to control the start or stop of the smoke purifier, and the adjustment switch 17 is used to adjust the speed of the air extractor 4, so as to adjust the air extraction amount to meet the processing needs of different scenes and improve the practicability.
[0031] In order to facilitate carrying, a handle 18 is arranged on the side wall of the upper cover 2, and the user can carry the smoke purifier by holding the handle 18, thereby improving the practicability.
[0032] In order to facilitate the movement of the smoke purifier, four supporting casters 19 are arranged in a rectangular shape on the lower end surface of the base 1. The supporting casters 19 can facilitate the placement of the smoke purifier at a predetermined placement position and facilitate the movement of the smoke purifier.
[0033] In other embodiments, the number of supporting casters 19 can also be other numbers.
[0034] Working principle:
[0035] Before using the smoke purifier, the end of the air inlet pipe 5 away from the base 1 is connected with the smoke outlet device of the laser marking equipment, and the power supply adapter 15 is externally connected with the power supply.
[0036] In use, the suction fan 4 starts to work by pressing the start switch 16, and the rotating speed of the suction fan 4 is adjusted to the appropriate position by adjusting the switch 17. The suction fan 4 works to generate negative pressure in the accommodating cavity 6; the smoke generated by the laser marking enters the coarse filter 7 through the air inlet pipe 5; the smoke filtered by the coarse filter 7 flows into the accommodating cavity 6 through the outer wall of the coarse filter 7; then flows into the fine filter 8, and then flows into the suction fan 4 after being purified by the fine filter 8; then flows into the inner cavity of the upper cover 2 through the suction fan 4, and finally is discharged from the air outlet hole 9. After the double filtration and purification of the coarse filter 7 and the fine filter 8, the harmful residues in the smoke can be greatly reduced, thereby reducing the pollution to the atmosphere and protecting the health of the operating personnel.
[0037] The above specific embodiments are the preferred embodiments of the present application, and are not intended to limit the specific implementation range of the present application. The scope of the present application includes but is not limited to the above specific embodiments, and any equivalent changes made according to the present application are within the protection scope of the present application.
Claims
1. A fume scrubber for laser marking, characterized by: The base is detachably connected with the upper cover, the upper cover is internally provided with a controller and an air extractor, and the air extractor is electrically connected with the controller; The side wall of the base is provided with an air inlet pipe, the base is internally provided with a containing cavity, the containing cavity is internally provided with a coarse filter, the coarse filter is connected with the air inlet pipe, the lower end surface of the upper cover is provided with a fine filter, the fine filter extends into the containing cavity, the input end of the air extractor is connected with the fine filter, the side wall of the upper cover is provided with an air outlet hole, and the output end of the air extractor is connected with the air outlet hole.
2. The smoke purifier for laser marking according to claim 1, characterized in that: The coarse filter is an organ filter bag, the side wall of the base is provided with an air inlet joint, the air inlet pipe is connected with the air inlet joint, and the organ filter bag is sleeved on the periphery of the end of the air inlet joint away from the air inlet pipe.
3. The smoke purifier for laser marking according to claim 2, characterized in that: The fine filter is internally provided with a filter core, and the filter core comprises one or more of the following filter materials: molecular sieve desiccant, activated carbon and filter cotton.
4. The laser marking fume purifier according to claim 1, characterized in that: The upper cover is internally provided with a detection sensor, the detection sensor is used for detecting whether the fine filter is blocked, the outer side wall of the upper cover is provided with an alarm lamp, and the detection sensor and the alarm lamp are respectively connected with the controller.
5. The smoke purifier for laser marking according to claim 4, characterized in that: The upper cover is internally provided with a power adapter, the power adapter is electrically connected with the controller, and the power adapter is used for external power supply.
6. The smoke purifier for laser marking according to claim 4, characterized in that: The side wall of the upper cover is provided with a starting switch and an adjusting switch, and the starting switch and the adjusting switch are respectively electrically connected with the controller.
7. The smoke purifier for laser marking according to any one of claims 1-6, characterized in that: The outer side wall of the upper cover is provided with a first hanging buckle, the outer side wall of the base is provided with a second hanging buckle at a position corresponding to the first hanging buckle, and the first hanging buckle is detachably buckled with the corresponding second hanging buckle.
8. The smoke purifier for laser marking according to claim 7, characterized in that: The outer side wall of the upper cover is provided with a handle.
9. The smoke purifier for laser marking according to claim 7, characterized in that: The lower end surface of the base is provided with a plurality of supporting casters.