Smoke removal mechanism of cloth laser cutting machine

Abstract

The utility model relates to a smoke removal mechanism of a cloth laser cutting machine, which comprises a smoke discharge structure, a spraying structure and an air knife structure, the smoke discharge structure is arranged at the front end of the laser cutting mechanism, the spraying structure is arranged at the upper end of the smoke discharge structure, and the air knife structure is arranged below a laser cutting assembly; according to the smoke removal mechanism of the cloth laser cutting machine, smoke dust generated during laser cutting can be prevented from being attached to the lens to affect the laser cutting efficiency through the smoke removal mechanism, and external dust and impurities can be prevented from being attached to the surface of the laser cutting lens again through the air knife structure; and moreover, smoke dust is controlled not to overflow through the smoke exhaust hood, the laser and other precise parts can be protected against external accidental touch, accidental scalding of a human body caused by high temperature generated by laser cutting surfaces is prevented, fire disasters can be avoided through the spraying structure, and the personal safety of operators is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cloth cutting machine technical field especially is concerned with a cloth laser cutting machine's smoke removal mechanism. BACKGROUND

[0002] Laser cloth cutting machine is a kind of cloth cutting automatic equipment using laser beam, it combines the demand of laser processing technology and textile industry, laser cloth cutting machine uses high-power laser to generate laser beam, laser beam is focused after focusing mirror, forms high-energy density light beam, can accurately cut cloth.

[0003] But in prior art, due to the smoke dust particle size generated in the process of laser cutting, part of small particle is difficult to be effectively captured by traditional collection device, and these small particles will adhere to cloth, and when the cloth is taken by operator to prevent shaking, these small particles will diffuse into air, if small particle, by operator breathing, is inhaled into lung through respiratory tract, long-term inhalation can cause respiratory diseases such as asthma, emphysema, and if these particles enter eyes, can cause eye swelling, tearing, skin itching or allergic reaction.

[0004] In addition, in addition, the existing cloth laser cutting machine is only provided with smoke dust collection device on laser cutting device, and the bottom of cloth is not provided with smoke dust collection device, which can not comprehensively collect smoke dust and impurities, especially under the bottom of equipment and cloth cutting area, smoke dust and impurities are difficult to effectively collect, and smoke dust and impurities can deposit in the interior of equipment, affect the service life of laser and cutting quality, and if operator inhales uncollected smoke dust in working process, can increase the risk of respiratory diseases again. UTILITY MODEL CONTENT

[0005] The utility model is mainly aimed at providing a cloth laser cutting machine's smoke removal mechanism to solve the above technical problems and ensure laser cutting efficiency.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A cloth laser cutting machine's smoke removal mechanism, comprising smoke exhaust structure, spraying structure and air knife structure, the smoke exhaust structure is installed at the front end of laser cutting mechanism, the spraying structure is installed at the upper end of the smoke exhaust structure, the air knife structure is installed below laser cutting assembly;

[0008] The smoke exhaust structure includes smoke exhaust cover, smoke exhaust pipe and smoke exhaust fan, the smoke exhaust cover and the smoke exhaust pipe are installed on the rack, the smoke exhaust cover is installed below laser cutting assembly, the smoke exhaust pipe is communicated with the smoke exhaust cover, the smoke exhaust fan is installed at the outlet of the smoke exhaust pipe, and the smoke exhaust cover covers the working area of laser cutting mechanism.

[0009] As a preferred technical scheme, the smoke exhaust pipe comprises a wind collecting pipe, a transmission pipe and a collecting pipe, the collecting pipe is communicated with the smoke hood, the transmission pipe is communicated with the collecting pipe and the wind collecting pipe respectively, and the smoke fan is installed at the outlet of the wind collecting pipe.

[0010] As a preferred technical scheme, a plurality of collecting windows are arranged on the collecting pipe, the collecting windows are aligned with the cutting positions of the laser cutting assembly, and the transmission pipe is aligned with the collecting windows.

[0011] As a preferred technical scheme, the spraying structure comprises a spraying pipe and a flame detector, the flame detector is installed on the smoke hood, the spraying pipe is installed on the rack and located above the smoke hood, and the spraying pipe is aligned with the working area of the laser cutting mechanism.

[0012] As a preferred technical scheme, the air knife structure comprises a ring-shaped air knife seat, air outlets are equidistantly arranged along the edge of the ring-shaped air knife seat, and an air outlet pipeline is arranged in the ring-shaped air knife seat, the air outlets are communicated with the air outlet pipeline, and the air outlet pipeline is communicated with the positive air pressure.

[0013] The cloth laser cutting machine has the advantages that the smoke removal mechanism can prevent the smoke generated during laser cutting from adhering to the lens and affecting the laser cutting efficiency, the air knife structure can reduce the re-attachment of external dust and impurities on the surface of the laser cutting lens, the smoke hood can control the smoke from overflowing out, the laser and other precise components can be protected from external accidental touch, the high temperature generated on the laser cutting surface can be prevented from causing accidental burns on the human body, the spraying structure can prevent fire from occurring, and the life safety of the operator can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 FIG. 1 is a structural schematic view of a cloth laser cutting machine according to the present application;

[0015] Figure 2 FIG. 2 is a structural schematic view of a smoke removal mechanism according to the present application;

[0016] Figure 3 FIG. 3 is a structural schematic view of a deviation rectifying mechanism according to the present application;

[0017] Figure 4 FIG. 4 is a structural schematic view of an air knife structure according to the present application. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0019] As Figure 1 , Figure 2 and Figure 3 indicated, a cloth laser cutting machine comprises a rack 1 and a laser cutting mechanism 2, a deviation rectifying mechanism 4 and a smoke removing mechanism 3 installed on the laser cutting mechanism 2, the smoke removing mechanism 3 is installed at the front end of the laser cutting mechanism 2, the deviation rectifying mechanism 4 is installed below the laser cutting mechanism 2, the deviation rectifying mechanism 4 transports cloth transmission, the laser cutting mechanism 2 cuts the cloth located in the deviation rectifying mechanism 4 according to the pattern drawn by the PLC, thereby cutting the pattern on the cloth, the smoke removing mechanism 3 removes the smoke and dust generated when the laser cutting mechanism 2 cuts the cloth, avoids the generated smoke and dust from adhering to the laser cutting mechanism 2, affects the precision and efficiency of the laser cutting mechanism 2, ensures the service life of the laser cutting mechanism 2, avoids the operator from inhaling the smoke and dust by mistake, and ensures the physical health condition of the operator.

[0020] Please refer to Figure 1 indicated, the laser cutting mechanism 2 comprises a laser cutting assembly 21 and a cutting lifting assembly 22, the cutting lifting assembly 22 is installed on the rack 1, the laser cutting assembly 21 is provided with a plurality of laser cutting assemblies 21, the cutting lifting assembly 22 drives the plurality of laser cutting assemblies 21 to synchronously lift, thereby adjusting the cutting range and focal length of the laser cutting assembly 21, and meets the cutting requirement of different patterns.

[0021] The laser cutting assembly 21 comprises a field mirror 213, a galvanometer 212 and a laser head 211, the galvanometer 212 is installed on one side of the laser head 211, the field mirror 213 is installed below the galvanometer 212, the laser head 211 emits laser to the galvanometer 212, the galvanometer 212 generates laser beam by vibration, and the laser beam is emitted to the cloth on the field mirror 213 to cut the cloth. In the embodiment, the cutting lifting assembly 22 comprises a cutting lifting structure 221 and a lifting plate 222, the plurality of laser cutting assemblies 21 are installed on the lifting plate 222, the cutting lifting structure 221 drives the lifting plate 222 to lift, so as to drive the laser cutting assembly 21 to lift, and the cutting lifting structure 221 is a turbine worm lifting table, which can ensure the stable movement of the laser cutting assembly 21.

[0022] Please combine Figure 2 and Figure 4As shown, the smoke removal mechanism 3 includes a smoke exhaust structure 31, a spraying structure 32 and a wind knife structure 33. The smoke exhaust structure 31 is installed at the front end of the laser cutting mechanism 2. The spraying structure 32 is installed at the upper end of the smoke exhaust structure 31. The wind knife structure 33 is installed below the laser cutting assembly 21. The smoke exhaust structure 31 is used to absorb and remove the dust and smoke generated when the laser cutting assembly 21 cuts the cloth. The wind knife structure 33 is used to blow the smoke below the laser cutting assembly 21 away from the laser cutting assembly 21, so as to avoid the smoke adhering to the laser cutting assembly 21 when the smoke exhaust structure 31 works. When the spraying structure 32 detects a flame in the smoke exhaust structure 31, the spraying structure 32 feeds back to the PLC, and the PLC controls the spraying structure 32 to start to extinguish the flame.

[0023] The smoke exhaust structure 31 includes a smoke exhaust cover 311, a smoke exhaust pipe 312 and a smoke exhaust fan 313. The smoke exhaust cover 311 and the smoke exhaust pipe 312 are installed on the rack 1. The smoke exhaust cover 311 is installed below the laser cutting assembly 21. The smoke exhaust pipe 312 communicates with the smoke exhaust cover 311. The smoke exhaust fan 313 is installed at the outlet of the smoke exhaust pipe 312. The smoke exhaust cover 311 covers the working area of the laser cutting mechanism 1, so as to avoid the smoke generated during the laser cutting from spreading outside the smoke exhaust cover 311. The smoke exhaust fan 313 starts to generate negative pressure, so as to drive the air in the smoke exhaust cover 311 to flow to the outside of the equipment through the smoke exhaust pipe 312. The smoke exhaust pipe 312 includes a wind collecting pipe 3123, a transmission pipe 3122 and a collecting pipe 3121. A plurality of collecting windows 3124 are arranged on the collecting pipe 3121. The collecting windows 3124 are aligned with the cutting positions of the laser cutting assembly 21. The transmission pipe 3122 respectively communicates with the collecting pipe 3121 and the wind collecting pipe 3123, and is aligned with the collecting windows 3124. The wind collecting pipe 3123 collects all the smoke, which is driven to be discharged by the smoke exhaust fan 313.

[0024] The spraying structure 32 includes a spraying pipe 321 and a flame detector (not shown in the figure). The flame detector is installed on the smoke exhaust cover 311, so that the flame detector can accurately detect the flame generated by the laser cutting assembly 1. The spraying pipe 321 is installed on the rack 1 and located above the smoke exhaust cover 311. The spraying pipe 321 is aligned with the working area of the laser cutting mechanism 1, so that the spraying pipe 321 can accurately extinguish the generated flame.

[0025] The air knife structure 33 comprises an annular air knife seat 331, the annular air knife seat 331 is provided with air outlets 332 and air outlet pipelines 333, the air outlets 332 are equidistantly arranged along the edge of the annular air knife seat 331, the air outlet pipelines 333 are arranged in the annular air knife seat 331, and the air outlets 332 are in communication with the air outlet pipelines 333, the air outlet pipelines 333 are in communication with the positive air pressure, so that the air outlets 332 generate positive air pressure to form an air knife to blow the cloth being cut by the laser cutting mechanism 1, so that the smoke and dust generated during cutting of the cloth is driven to the direction away from the laser cutting mechanism 1.

[0026] Please refer to Figure 3 As shown in the drawings, the deviation correction mechanism 4 comprises a deviation correction assembly 45, a deviation stopping assembly 44, a compression roller assembly 42, an arc-shaped rod 43 and a conveying assembly 41, the deviation correction assembly 45, the deviation stopping assembly 44, the compression roller assembly 42, the arc-shaped rod 43 and the conveying assembly 41 are installed on the rack 1, the deviation correction assembly 45 abuts against the conveying assembly 41, and is used for correcting the deviation of the conveying belt 411 in the conveying assembly 41, the compression roller assembly 42 is used for compressing the cloth on the conveying assembly 41, so that the cloth can be transported flat on the conveying assembly 41, the arc-shaped rod 43 is installed at the front end of the conveying assembly 41, and is used for spreading the cloth transported, so as to avoid wrinkles and stacking of the cloth, the deviation stopping assembly 44 is installed on the side surface of the conveying assembly 41 and abuts against the conveying assembly 41, and is used for stopping the deviation of the conveying belt 411 in the conveying assembly 41, so as to prevent the deviation of the conveying belt 411.

[0027] The conveying assembly 41 comprises a conveying roller 412, a conveying belt 411 and a conveying driving structure 413, the conveying roller 412 is rotatably installed at both ends of the rack 1, the conveying belt 411 connects the two conveying rollers 412, and the conveying driving structure 413 drives the conveying roller 412 to rotate, so as to drive the conveying belt 411 to transmit between the two conveying rollers 412, so as to drive the cloth to transport and move. The conveying driving structure 413 comprises a conveying motor 4131, a conveying driving wheel 4132, a conveying driven wheel 4134 and a conveying driving belt 4133, the conveying driven wheel 4134 is fixedly arranged at the end of the conveying roller 412, the conveying driving wheel 4132 is connected with the conveying driven wheel 4134 through the conveying driving belt 4133, the conveying motor 4131 drives the conveying driving wheel 4132 to rotate, so as to drive the conveying driven wheel 4134 to rotate, and then drive the conveying belt 411 to transmit.

[0028] The correction assembly 45 includes a correction roller 451, a correction moving seat 452, a correction guide rail 453, a correction fixed seat 454, a correction sensor, and a correction cylinder (not shown in the figure). The correction fixed seat 454 and the correction sensor are fixed on the frame 1. The correction cylinder and the correction guide rail 453 are fixed on the correction fixed seat 454. The correction roller 451 is rotatably mounted on the correction moving seat 452 and abuts against the conveyor belt 411. When the correction sensor detects that the conveyor belt 411 has deviated by a specified distance, the correction cylinder drives the correction moving seat 452 to move along the correction guide rail 453, thereby moving the correction roller 451 and thus performing correction. The correction roller 451 is provided with an anti-detachment ring 455, which is fixed at both ends of the correction roller 451 and abuts against the conveyor belt 411 to prevent the conveyor belt 411 from separating from the correction roller 451.

[0029] The pressure roller assembly 42 includes a pressure roller 421 and a pressure roller seat 422. The pressure roller seat 422 is fixed on the frame 1. The two ends of the pressure roller 421 are rotatably mounted on the pressure roller seat 422. The pressure roller 421 presses the fabric tightly onto the conveyor belt 411 to ensure the stability of the fabric.

[0030] Anti-deviation assembly 44 is installed on both sides of conveyor belt 411 and abuts against conveyor belt 411. Anti-deviation assembly 44 includes anti-deviation seat 441 and anti-deviation wheel 442. Anti-deviation seat 441 is fixed on frame 1. Anti-deviation wheel 442 is rotatably mounted on anti-deviation seat 441. Anti-deviation wheel 442 abuts against conveyor belt 411 to prevent conveyor belt 411 from deviating.

[0031] The embodiments described above are merely preferred examples of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of this utility model should be included within the scope of this utility model patent application.

Claims

1. A smoke removing mechanism of a cloth laser cutting machine, characterized in that, The smoke exhaust structure, the spraying structure and the air knife structure are provided, the smoke exhaust structure is installed at the front end of the laser cutting mechanism, the spraying structure is installed at the upper end of the smoke exhaust structure, and the air knife structure is installed below the laser cutting assembly. The smoke exhaust structure includes a smoke exhaust cover, a smoke exhaust pipe and a smoke exhaust fan, the smoke exhaust cover and the smoke exhaust pipe are installed on the rack, the smoke exhaust cover is installed below the laser cutting assembly, the smoke exhaust pipe is communicated with the smoke exhaust cover, the smoke exhaust fan is installed at the outlet of the smoke exhaust pipe, and the smoke exhaust cover covers the working area of the laser cutting mechanism.

2. The smoke removal mechanism of the fabric laser cutting machine according to claim 1, wherein, The smoke exhaust pipe includes a wind collecting pipe, a transmission pipe and a collecting pipe, the collecting pipe is communicated with the smoke exhaust cover, the transmission pipe is respectively communicated with the collecting pipe and the wind collecting pipe, and the smoke exhaust fan is installed at the outlet of the wind collecting pipe.

3. The smoke removal mechanism of the fabric laser cutting machine according to claim 2, characterized in that, A plurality of collecting windows are arranged on the collecting pipe, the collecting windows are aligned with the cutting positions of the laser cutting assembly, and the transmission pipe is aligned with the collecting windows.

4. The smoke removal mechanism of the fabric laser cutting machine according to claim 3, wherein, The spraying structure includes a spraying pipe and a flame detector, the flame detector is installed on the smoke exhaust cover, the spraying pipe is installed on the rack and located above the smoke exhaust cover, and the spraying pipe is aligned with the working area of the laser cutting mechanism.

5. The smoke removal mechanism of the fabric laser cutting machine according to claim 4, wherein, The air knife structure includes an annular air knife seat, air outlets and air ducts are arranged on the annular air knife seat, the air outlets are equidistantly arranged along the edge of the annular air knife seat, the air ducts are arranged in the annular air knife seat, the air outlets are communicated with the air ducts, and the air ducts are communicated with the positive air pressure.

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