CN216023909U - Dust collector is strained in special use of laser cutting - Google Patents

Abstract

The utility model discloses a special filter drum dust removal device for laser cutting, which comprises a shell, a pretreatment device, a filtering device, an ash collecting device, an ash removing device, a fan and a control system, wherein the pretreatment device is arranged on the shell; aiming at the problems that the laser cutting process is adopted in the plate blanking cutting of the metal sheet machining industry, harmful smoke generated by the laser cutting of the plate is generally absorbed and purified by a filter drum dust remover, and when a user of the traditional filter drum dust remover uses the traditional filter drum dust remover, the problems that the filter drum dust remover is high in energy consumption, a motor is easy to damage, a filter drum is easy to block, the dust removing effect is poor, an ash barrel is inconvenient to disassemble and the like are found, so that the filter drum dust removing device special for the laser cutting is developed to solve the problems.

Description

Dust collector is strained in special use of laser cutting

Technical Field

The utility model relates to the field of filter cartridge dust removal, in particular to a special filter cartridge dust removal device for laser cutting.

Background

Aiming at the problems that the laser cutting technology is adopted in the blanking and cutting of the plates in the metal sheet machining industry, harmful smoke dust generated by laser cutting of the plates is generally absorbed and purified by a filter drum dust remover, and when a user of a traditional filter drum dust remover uses the filter drum dust remover, the problems that the filter drum dust remover is high in energy consumption, a motor is easy to damage, a filter drum is easy to block, the dust removing effect is not good, an ash barrel is inconvenient to disassemble and the like are found, a filter drum dust removing device special for laser cutting is developed, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a special filter drum dust removal device for laser cutting, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a special filter cylinder dust removal device for laser cutting comprises a shell and is characterized by further comprising a pretreatment device, a filtering device, an ash collecting device, an ash cleaning device and a fan, wherein the pretreatment device is installed on the outer side of the shell, the filtering device, the ash collecting device, the ash cleaning device and the fan are all installed inside the shell, and the ash cleaning device is installed beside the filtering device; the pretreatment device comprises a pretreatment shell, a dust baffle plate, an air inlet, a first ash storage hopper and a first ash collection barrel, wherein the air inlet is arranged on one side of the pretreatment shell, the dust baffle plate is arranged in the pretreatment shell, the dust baffle plate is in a labyrinth design, the first ash storage hopper is in a funnel design, the large opening end of the first ash storage hopper is connected with the pretreatment shell, and the small opening end of the first ash collection barrel is connected with the first ash collection barrel; the filter device comprises a fixing plate, a filter cartridge bracket, a cover plate and bolts, wherein the fixing plate is obliquely fixed in the shell; the ash collecting device comprises an ash storage hopper II, an ash collecting barrel, a pressing device and an anti-reverse absorption plate, wherein the ash storage hopper II is in a funnel type design, a large opening end is fixed on the inner side of the shell, a small opening end is connected with the ash collecting barrel, the anti-reverse absorption plate is further arranged at the small opening end of the ash storage hopper II, the ash collecting barrel II is connected with the ash storage hopper II through the pressing device, and a plurality of wheels are further arranged at one end side of the ash collecting barrel II; the ash removal device comprises a gas storage bag, an electromagnetic valve and a blowing pipe, wherein gas is stored in the gas storage bag and can be blown out of the blowing pipe through the electromagnetic valve, and the pipe orifice of the blowing pipe is opposite to the ventilation opening on the fixing plate; the fan comprises an impeller, a motor and a pedestal, and is arranged on the inner side of the shell; an air outlet is further formed in one end of the shell, and the fan is located below the air outlet.

The dust removal device also comprises a control system, and the control system also comprises a processor, a photosensitive sensor, a circuit and an electric element; the laser cutting is started, the photosensitive sensor detects a strong light source and transmits an electric signal to the processor, and the processor transmits a starting signal to the fan motor and transmits a closing signal to the electromagnetic valve according to a preset program; when the laser cutting is closed, the photosensitive sensor detects the weak light source and transmits an electric signal to the processor, and the processor transmits a closing signal to the fan motor and transmits an opening signal to the electromagnetic valve according to a preset program.

Compared with the prior art, the utility model has the following beneficial effects:

1. compared with the common filter cartridge dust remover with the same power on the market, the filter cartridge dust remover special for laser cutting has the advantages that the filter cartridge dust remover runs for the same time, the energy consumption is much smaller, a control system adopted by the filter cartridge dust remover special for laser cutting can control a fan and a laser cutting head to be synchronously started and stopped, when laser does not work, the fan stops working, the running time of a motor is reduced, a large amount of electric energy is saved, and meanwhile, the service life of the motor is prolonged;

2. a control system adopted by the filter drum dust remover special for laser cutting can control the fan to stop working when laser does not work, and meanwhile, the dust removing device is started, and through pulse dust removal, dust on the surface of the filter drum is easily blown off by compressed air sprayed by an electromagnetic valve due to loss of suction of the fan, so that the dust removing effect is enhanced, and the service life of the filter drum is prolonged;

3. according to the traditional filter cartridge dust remover, an ash collecting barrel is generally designed into a hasp form, too much ash often appears, the ash collecting barrel is too heavy to cause the hasp to be blocked and difficult to pull open, workers at the installing position of the hasp are difficult to reach, a second ash collecting barrel of the special filter cartridge dust remover for laser cutting is fixed, the second ash collecting barrel is firmly pushed against an ash hopper groove below a second ash storing hopper by adopting the jacking action of a plurality of pressing devices arranged on a bottom plate, the ash hopper groove is sealed by adopting sealing cotton, when the ash needs to be poured, the pressing devices are controlled, the second ash collecting barrel automatically falls down due to gravity, and the second ash collecting barrel can be directly pulled out to pour the ash, so that the filter cartridge dust remover is very convenient;

4. the bottom of a second ash storage hopper of the special filter cylinder dust removal device for laser cutting is provided with an anti-suck-back plate, so that dust falling into a second ash collection barrel is prevented from flying again under the action of airflow and being sucked back to the surface of a filter cylinder, and secondary blockage of the filter cylinder is prevented;

5. an inlet of a special filter cartridge dust removal device for laser cutting is provided with a laser cutting smoke dust preprocessor, a plurality of layers of dust baffles are arranged in the preprocessor, and a thick plate of the laser cutting smoke dust preprocessor can cause generation of larger dust particles when the plate is uneven;

6. the traditional obliquely-installed filter cartridge is often used for removing ash, dust falls again to the surface of the filter cartridge due to gravity when the upper part of the filter cartridge is used for removing ash, and the oval filter cartridge is adopted in the special filter cartridge dust removing device for laser cutting, so that the dust falling area on the upper part of the filter cartridge is reduced, the dust is not easy to accumulate on the upper part of the filter cartridge, and the ash removal effect is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken at FIG. 1A;

FIG. 3 is a first schematic diagram of the control system of the present invention;

FIG. 4 is a second schematic diagram of the control system of the present invention.

In the figure: 1-shell, 11-air outlet, 2-fan, 21-impeller, 22-motor, 23-pedestal, 3-ash removal device, 31-air storage bag, 32-electromagnetic valve, 33-blowing pipe, 4-filtering device, 41-fixing plate, 42-filter cartridge, 43-filter cartridge support, 44-cover plate, 45-bolt, 46-ventilation opening, 5-ash collection device, 51-ash storage bucket II, 52-ash collection bucket II, 53-pressing device, 54-anti-suck back plate, 55-wheel, 6-pretreatment device, 61-pretreatment shell, 62-dust baffle, 63-air inlet, 64-ash storage bucket I, 65-ash collection bucket I, 71-processor and 72-photosensitive sensor.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" includes two, and is equivalent to at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

In the embodiment, as shown in fig. 1 and 2, the special filter cartridge dust removing device for laser cutting comprises a shell 1, and is characterized in that the dust removing device further comprises a pretreatment device 6, a filtering device 4, an ash collecting device 5, an ash removing device 3 and a fan 2, wherein the pretreatment device 6 is installed on the outer side of the shell 1, the filtering device 4, the ash collecting device 5, the ash removing device 3 and the fan 2 are all installed inside the shell 1, and the ash removing device 3 is installed beside the filtering device 4; the pretreatment device 6 comprises a pretreatment shell 61, a dust baffle plate 62, an air inlet 63, a first dust storage hopper 64 and a first dust collection barrel 65, wherein the air inlet 63 is arranged on one side of the pretreatment shell 61, the dust baffle plate 62 is arranged inside the pretreatment shell 61, the dust baffle plate 62 is in a labyrinth design, specifically, a plurality of layers of dust baffle plates are arranged in the pretreatment device 6, and when a thick plate is cut by laser, large dust particles can be generated, the dust particles enter the laser cutting smoke pretreatment device 6 along with air flow, under the action of the labyrinth dust baffle plates, the speed of the large particles is reduced, the large particles fall into the first dust collection barrel 65 of the pretreatment device 6 under the action of self gravity, the filter cartridge 42 is protected from filter material damage caused by the front impact of the large particles, and the service life of the filter cartridge 42 is prolonged; the first ash storage hopper 64 is in a funnel type design, the large opening end of the first ash storage hopper is connected with the pretreatment shell 61, the small opening end of the first ash storage hopper is connected with the first ash collection barrel 65, and large-particle dust is blocked by a labyrinth baffle in the filtering device and falls into the first ash storage hopper 64 to be collected.

The filtering device 4 comprises a fixing plate 41, a filter cartridge 42, a filter cartridge support 43, a cover plate 44 and bolts 45, wherein the fixing plate 41 is obliquely fixed inside the shell 1, the filter cartridge 43 is fixed on the fixing plate 41, is sealed by the cover plate 44 and is fixed on the shell 1 by matching with the bolts 45, and a plurality of ventilation openings 46 are further arranged on the fixing plate 41; the ash removal device 3 comprises an air storage bag 31, an electromagnetic valve 32 and a blowing pipe 33, wherein air is stored in the air storage bag 31, the air can be blown out from the blowing pipe 33 through the electromagnetic valve 32, the pipe opening of the blowing pipe 33 is opposite to a vent 46 on a fixing plate 41 and can be used for ash removal treatment of the ash removal device 3, the traditional obliquely-installed filter cartridge is often used for removing ash, dust falls again to the surface of the filter cartridge 43 due to gravity when the upper part of the filter cartridge 43 is used for removing ash, and the oval filter cartridge 43 is adopted in the special filter cartridge dust removal device for laser cutting, so that the dust falling area on the upper part of the filter cartridge 43 is reduced, the dust is not easy to accumulate on the upper part of the filter cartridge 43, and the ash removal effect is improved.

The fan 2 comprises an impeller 21, a motor 22 and a pedestal 23, the fan 2 is installed on the inner side of the casing 1, an air outlet 11 is further formed in one end of the casing 1, the fan 2 is located below the air outlet 11, and the fan 2 guides clean air flow to be discharged into the atmosphere from the air outlet 11.

The dust collecting device 5 comprises a second dust storage bucket 51, a second dust collecting bucket 52, a pressing device 53 and an anti-back suction plate 54, the second dust storage bucket 51 is of a funnel type design, the large opening end of the second dust storage bucket 51 is fixed on the inner side of the shell 1, the small opening end of the second dust collecting bucket 52 is connected with the second dust collecting bucket 52, the anti-back suction plate 54 is further arranged at the small opening end of the second dust storage bucket 51, the anti-back suction plate 54 can prevent dust falling into the second dust collecting bucket 51 from being blown up again under the action of airflow and sucked back to the surface of the filter cartridge 42 to prevent the filter cartridge 42 from being blocked secondarily, the second dust collecting bucket 52 is connected with the second dust storage bucket 51 through the pressing device 53, a plurality of wheels 55 are further arranged at one end side of the second dust collecting bucket 52, the dust collecting buckets of the traditional filter cartridge dust collector are generally designed into a hasp type, so that too much dust often appears, the dust collecting buckets are difficult to be clamped and difficult to be pulled apart, and workers at the hasp installation positions can hardly reach, and the second dust collecting bucket 52 of the special for the laser cutting filter cartridge dust collector is fixed, adopt a plurality of the jacking effect of installing closing device 53 on the bottom plate firmly to push up two 52 ash collecting buckets on the ash bucket groove under two 51 ash storage hoppers, adopt sealed cotton to seal on the ash bucket groove, when needing to fall the ash, control closing device 53, two 52 ash collecting buckets can directly pull out two 52 ash collecting buckets this moment and remove the ash because gravity falls down automatically, and is very convenient.

Smoke generated by laser cutting firstly enters the laser cutting smoke preprocessor device 6 through a pipeline, larger particles in the laser cutting smoke continuously collide with the labyrinth dust baffle plate 62 in the laser cutting smoke preprocessing device 6, and finally fall into the dust collecting barrel I65 through the funnel type dust storage hopper I64 of the preprocessing device 6, so that the smoke is subjected to prefiltering treatment; after the pre-filtering of the smoke dust is finished, the smoke dust enters the shell 1 of the dust removal device, the filter cylinder 42 operates, after the smoke dust is filtered by the oval filter cylinder 42 special for laser, the clean air flow passes through the filter cylinder 42 and is provided with the pattern plate holes, and under the action of the fan 2 special for environmental protection and dust removal, the smoke dust is discharged into the atmosphere from the air outlet 11 of the shell 1, so that the basic flow of smoke dust purification is finished.

Particulate matter in the smoke dust can gather gradually on the filter material surface of the special oval filter cylinder 42 of laser after being filtered, cause the resistance of induced draft to become bigger and bigger, the pipeline wind speed diminishes, the smoke dust absorption effect worsens, ash removal device 3 begins to operate, a certain amount of compressed air has been stored in advance in the gas storage package 31, solenoid valve 32 receives the signal of telecommunication instruction, solenoid valve 32 opens, compressed air dashes out from the gas storage package 31 in the twinkling of an eye, under the water conservancy diversion effect of pulse jetting pipe 33, dash into the special oval filter cylinder 42 of laser inside, the special oval filter cylinder 42 of laser is inside gaseous expands in the twinkling of an eye, sweep the dust of filter material surface enrichment, blow off the dust from the filter material surface, the dust that is blown off passes through funnel formula ash storage bucket two 51, fall into in the ash collection bucket two 53 at last and collect.

The dust removal device further comprises a control system, and the control system further comprises a processor 71, a photosensitive sensor 72, a circuit and an electric element; when the laser cutting is started, the photosensitive sensor 72 detects a strong light source and transmits an electric signal to the processor 71, and the processor 71 transmits a starting signal to the fan motor 22 and transmits a closing signal to the electromagnetic valve 32 according to a preset program; when the laser cutting is turned off, the light-sensitive sensor 72 detects the weak light source and transmits an electrical signal to the processor 71, and the processor 71 transmits a turn-off signal to the blower motor 22 and an turn-on signal to the solenoid valve 32 according to a preset program.

As shown in fig. 3 and 4, the control system mainly controls the start and stop of the special environment-friendly dust removal fan 2 and the ash removal device 3 in the dust removal device according to signals of the sensor; when the control system normally operates, the laser cutting plate generates strong light, the strong light signal is received by the photosensitive sensor 72, the photosensitive sensor 72 converts the light signal into an electric signal and transmits the electric signal to the processor 71, the processor 71 analyzes the electric signal, judges that the fan 2 needs to be started, stops the ash removal device 3, then sends an electric signal to control the fan 2 to be started, and simultaneously sends another electric signal to control the ash removal device 3 to stop working; when the laser cutting machine stops cutting and the illuminance is changed into the indoor normal state, the photosensitive sensor 72 receives the weak light signal in the normal indoor state, converts the weak light signal into an electric signal and transmits the electric signal to the processor 71, the processor 71 analyzes the electric signal, determines that the fan 2 needs to be stopped, and starts the ash cleaning device 3, then sends out an electric signal to control the fan 2 to stop, simultaneously sends out another electric signal to control the ash cleaning device 3 to start working, compared with the common filter cartridge dust remover with the same power on the market, the filter cartridge dust remover has the advantages of same operation time and much smaller energy consumption, a control system adopted by the special filter cartridge dust remover for laser cutting can control the synchronous start and stop of the fan 2 and the laser cutting head, when the laser does not work, the fan 2 also stops working, the running time of the motor 22 is reduced, a large amount of electric energy is saved, and meanwhile, the service life of the motor 22 is prolonged.

The foregoing has described the principles of use, features and advantages of the utility model. The above embodiments and the description of the utility model are provided to illustrate the basic principles and features of the utility model and, within the scope of the utility model concept, to be understood by those skilled in the art from the foregoing description, various modifications may be made to the utility model and these modifications are within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides a special dust collector that strains of laser cutting, includes casing (1), its characterized in that, dust collector still includes preprocessing device (6), filter equipment (4), collection ash device (5), ash removal device (3) and fan (2), preprocessing device (6) are installed in the outside of casing (1), and filter equipment (4), collection ash device (5), ash removal device (3) and fan (2) are all installed in the inside of casing (1), the side at filter equipment (4) is installed in ash removal device (3).

2. The special filter cylinder dust removal device for laser cutting as recited in claim 1, wherein the pretreatment device (6) comprises a pretreatment housing (61), a dust blocking plate (62), an air inlet (63), a first ash storage hopper (64) and a first ash collection barrel (65), the air inlet (63) is arranged at one side of the pretreatment housing (61), the dust blocking plate (62) is arranged inside the pretreatment housing (61), the dust blocking plate (62) is of a labyrinth design, the first ash storage hopper (64) is of a funnel design, a large opening end is connected with the pretreatment housing (61), and a small opening end is connected with the first ash collection barrel (65).

3. The special filter cartridge dust removal device for laser cutting of claim 2, wherein the filter device (4) comprises a fixing plate (41), a filter cartridge (42), a filter cartridge support (43), a cover plate (44) and bolts (45), the fixing plate (41) is obliquely fixed inside the housing (1), the filter cartridge (42) is fixed on the fixing plate (41), sealed through the cover plate (44) and fixed on the housing (1) in cooperation with the bolts (45), and a plurality of ventilation openings (46) are further formed in the fixing plate (41).

4. The special filter cartridge dust removal device for laser cutting as claimed in claim 3, wherein the dust collection device (5) comprises a second dust storage hopper (51), a second dust collection barrel (52), a pressing device (53) and an anti-back suction plate (54), the second dust storage hopper (51) is of a funnel type design, a large opening end of the second dust storage hopper is fixed on the inner side of the shell (1), a small opening end of the second dust storage hopper (51) is connected with the second dust collection barrel (52), the small opening end of the second dust storage hopper (51) is further provided with the anti-back suction plate (54), the second dust collection barrel (52) is connected with the second dust storage hopper (51) through the pressing device (53), and one end side of the second dust collection barrel (52) is further provided with a plurality of wheels (55).

5. The special filter cartridge dust removal device for laser cutting as claimed in claim 4, wherein the ash removal device (3) comprises a gas storage bag (31), a solenoid valve (32) and an injection tube (33), the gas storage bag (31) stores gas, the gas can be blown out from the injection tube (33) through the solenoid valve (32), and the opening of the injection tube (33) is opposite to the vent (46) on the fixing plate (41).

6. The special filter cartridge dust removal device for laser cutting of claim 5, wherein the fan (2) comprises an impeller (21), a motor (22) and a pedestal (23), and the fan (2) is installed inside the housing (1).

7. The special filter cartridge dust removal device for laser cutting of claim 6, wherein an air outlet (11) is further formed at one end of the housing (1), and the fan (2) is located below the air outlet (11).

8. The special filter cartridge dust removal device for laser cutting of claim 7, further comprising a control system, wherein the control system comprises a processor (71), a photosensitive sensor (72), a circuit and an electric element.

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