阅读说明：本技术 一种具有防护结构的激光切割设备 (Laser cutting equipment with protective structure ) 是由 邓凯 胡常华 范朝辉 于 2020-06-10 设计创作，主要内容包括：本发明公开了一种具有防护结构的激光切割设备,包括机架、对流模块、切割模块和工位模块,所述对流模块的有侧上方设置有鼓风机,且对流模块位于机架的右侧,所述对流模块包括鼓风机、风淋管、除尘风机、集尘室、吸气管、防护罩、进风口和吸气口,所述机架的有侧上方设置有鼓风机,且鼓风机的输出端连接有风淋管,所述机架的内部右侧上安装有除尘风机,所述除尘风机的左侧连接有吸气管,且吸气管的左端与吸气口相连接,所述切割模块的上方设置有激光发生器,且切割模块位于机架的内侧顶部,所述工位模块的中部安装有底板,且工位模块位于机架的内侧底部,该种具有防护结构的激光切割设备,使用者可以通过对流模块,对设备操作人员进行有效的防护。(The invention discloses laser cutting equipment with a protective structure, which comprises a rack, a convection module, a cutting module and a station module, wherein an air blower is arranged above the side of the convection module, the convection module is positioned on the right side of the rack, the convection module comprises an air blower, an air shower pipe, a dust removal fan, a dust collection chamber, an air suction pipe, a protective cover, an air inlet and an air suction port, the air blower is arranged above the side of the rack, the output end of the air blower is connected with the air shower pipe, the dust removal fan is arranged on the right side inside the rack, the left side of the dust removal fan is connected with the air suction pipe, the left end of the air suction pipe is connected with the air suction port, a laser generator is arranged above the cutting module, the cutting module is positioned at the top of the inner side of the rack, a bottom plate is arranged, this kind of laser cutting equipment with protective structure, the user can carry out effectual protection to equipment operation personnel through the convection current module.)

1. The utility model provides a laser cutting equipment with protective structure, includes frame (1), convection current module (3), cutting module (4) and station module (5), its characterized in that: the displacement sensor (2) is installed on the left side of the top of the inner side of the rack (1), an air blower (301) is arranged above the side of the convection module (3), the convection module (3) is located on the right side of the rack (1), the convection module (3) comprises the air blower (301), an air shower pipe (302), a dust removal fan (303), a dust collection chamber (304), an air suction pipe (305), a protective cover (306), an air inlet (307) and an air suction port (308), the air blower (301) is arranged above the side of the rack (1), the air shower pipe (302) is connected with the output end of the air blower (301), the dust removal fan (303) is installed on the right side of the inside of the rack (1), the dust collection chamber (304) is arranged on the left side of the inside of the dust removal fan (303), the air suction pipe (305) is connected with the left side of the dust removal fan (303), and the left end of the air shower pipe (302, and the left end of breathing pipe (305) is connected with induction port (308), the top of cutting module (4) is provided with laser generator (401), and cutting module (4) are located the inboard top of frame (1), the mid-mounting of station module (5) has bottom plate (501), and station module (501) are located the inboard bottom of frame (1).

2. The laser cutting device with the protective structure according to claim 1, wherein: the machine frame (1) is connected with the displacement sensor (2) through bolts to form a detachable structure, the machine frame (1) is fixed with the air blower (301) and the dust removal fan (303) through bolts, and the dust collection chamber (304) is connected with the dust removal fan (301) in an embedded mode to form the detachable structure.

3. The laser cutting device with the protective structure according to claim 2, wherein: the air shower pipe (302) is in threaded connection with the air blower (301), the air suction pipe (305) is in threaded connection with the dust removal fan (303), and the air suction pipe (305) is in threaded connection with the air suction port (308).

4. The laser cutting device with the protective structure according to claim 1, wherein: the cutting module (4) comprises a laser generator (401), a focusing cavity (402), an air shower port (403), a convex mirror (404), a heat-resistant guide block (405), a cutting port (406), a movable hydraulic rod (407) and a shaft clamp (48), the middle part of the upper part of the inner side of the frame (1) is provided with a laser generator (401), a focusing cavity (402) is arranged at the bottom of the laser generator (1), a convex mirror (404) is arranged inside the focusing cavity (402), and the right side of the bottom of the focusing cavity (402) is provided with an air shower opening (403), the bottom of the focusing cavity (402) is connected with a heat-resistant guide block (405), and seven ports (406) are arranged in the middle of the heat-resistant guide block (405) in a penetrating mode, the bottom of the left side of the laser generator (401) is connected with a movable hydraulic rod (407), and shaft clamps (408) are arranged at two ends of the movable hydraulic rod (407).

5. The laser cutting device with the protective structure according to claim 4, wherein: be bolted connection between laser generator (401) and focus chamber (402), be connected for the gomphosis between focus chamber (402) and convex mirror (404), be the integral type structure between focus chamber (402) and heat-resisting guide block (405) and the air shower mouth (403), both ends axle card (408) of activity hydraulic stem (407) are connected with frame (1) and laser generator (401) respectively, and all through round pin hub connection between axle card (408) and frame (1) and laser generator (401), constitute rotatable structure.

6. The laser cutting device with the protective structure according to claim 5, wherein: the outside cover of focus chamber (402) has protection casing (306), and the top of protection casing (306) is connected with the bottom of laser generator (401), the left end of wind drenches pipe (302) runs through in air intake (307) and is connected with wind drenches mouth (403).

7. The laser cutting device with the protective structure according to claim 6, wherein: for bolted connection between protection casing (306) and laser generator (401), constitute detachable construction, through threaded connection between wind drenches pipe (302) and wind drenches mouth (403).

8. The laser cutting device with the protective structure according to claim 1, wherein: the station module (5) comprises a bottom plate (501), limiting plates (502), sliding rails (503), a connecting block (504), a station plate (505), meshing teeth (506), longitudinal pulleys (507), a motor (508), a bottom pulley (509) and a horizontal hydraulic rod (510), wherein the limiting plates (502) are arranged on two sides above the bottom plate (501), the sliding rails (503) are arranged on the top ends of the limiting plates (502), the connecting block (504) is arranged at the bottom of the bottom plate (501), the meshing teeth (506) are arranged at the bottom of the station plate (505), the longitudinal pulleys (507) are arranged on two sides of the station plate (505), the longitudinal pulleys (507) are placed on the upper surfaces of the sliding rails (503), the motor (508) is arranged on the upper surface of the bottom plate (501), gears are arranged at the output end of the motor (508), the bottom pulley (509) is arranged below the connecting block (504), the bottom of horizontal hydraulic stem (510) is connected with frame (1), and the top of horizontal hydraulic stem (510) is connected with connecting block (504).

9. The laser cutting device with the protective structure according to claim 8, wherein: be the integral type structure between bottom plate (501) and limiting plate (502), slide rail (503) and connecting block (504), and be the bolt fastening between bottom plate (501) and motor (508), station board (505) link to each other with slide rail (503) through vertical pulley (507), constitute movable structure.

Technical Field

The invention relates to the technical field of laser cutting, in particular to laser cutting equipment with a protection structure.

Background

The laser cutting is to focus the CO2 laser beam on the surface of the material by a focusing lens to melt the material, and to make the laser beam and the material move relatively along a certain track, thereby forming a cutting seam with a certain shape, the laser cutting technology is widely applied to the processing of metal and non-metal materials, the processing time can be greatly reduced, the processing cost is reduced, and the workpiece quality is improved, but the existing laser cutting equipment lacks an effective protection means when cutting the plate, and effectively collects and processes the scraps generated by the laser cutting and the melted metal, so that impurities can easily enter the zoom lens surface inside the cutting head, the variable focusing of the laser beam is influenced, thereby causing the cutting head to generate abnormal high temperature and the incomplete cutting of the workpiece, therefore, the structure of the laser cutting equipment needs to be improved.

The produced piece of current laser cutting and melt metal are for carrying out effectual collection processing, easily make impurity enter into the inside varifocal mirror surface of cutting head on, influence laser beam's change focus to make the cutting head appear unusual high temperature and to the work piece cutting incomplete.

Disclosure of Invention

The invention aims to provide laser cutting equipment with a protection structure, which aims to solve the problems that debris and molten metal generated by the existing laser cutting in the background art are effectively collected and processed, impurities easily enter a zoom mirror surface inside a cutting head, the variable focusing of a laser beam is influenced, the cutting head is abnormally high in temperature, and the workpiece is incompletely cut.

In order to achieve the purpose, the invention provides the following technical scheme: a laser cutting device with a protection structure comprises a rack, a convection module, a cutting module and a station module, wherein a displacement sensor is arranged on the left side of the top of the inner side of the rack, an air blower is arranged above the side of the convection module, the convection module is positioned on the right side of the rack, the convection module comprises an air blower, an air shower pipe, a dust removal fan, a dust collection chamber, an air suction pipe, a protective cover, an air inlet and an air suction port, the air blower is arranged above the side of the rack, the output end of the air blower is connected with the air shower pipe, the dust removal fan is arranged on the right side of the inner part of the rack, the dust collection chamber is arranged on the left side of the inner part of the dust removal fan, the left side of the dust removal fan is connected with the air suction pipe, the left end of the air shower pipe penetrates through the air, and the cutting module is positioned at the top of the inner side of the frame, the middle part of the station module is provided with a bottom plate, and the station module is positioned at the bottom of the inner side of the frame.

Preferably, the rack is connected with the displacement sensor through bolts to form a detachable structure, the rack is fixed with the air blower and the dust removal fan through bolts, and the dust collection chamber is connected with the dust removal fan in an embedded mode to form the detachable structure.

Preferably, the air shower pipe is in threaded connection with the air blower, the air suction pipe is in threaded connection with the dust removal fan, and the air suction pipe is in threaded connection with the air suction port.

Preferably, the cutting module includes that laser generator, focus chamber, wind drench mouth, convex mirror, heat-resisting guide block, cutting mouth, activity hydraulic stem and axle card, the inboard top mid-mounting of frame has laser generator, and laser generator's bottom is provided with the focus chamber, the inside in focus chamber is provided with the convex mirror, and the bottom right side in focus chamber is provided with wind and drenches the mouth, the bottom in focus chamber is connected with heat-resisting guide block, and the middle part of heat-resisting guide block runs through and is provided with seven mouths, laser generator's left side bottom is connected with the activity hydraulic stem, and the axle card is all installed at the both ends of activity hydraulic stem.

Preferably, be bolted connection between laser generator and the focus chamber, be the gomphosis between focus chamber and the convex mirror and be connected, be the integral type structure between focus chamber and heat-resisting guide block and the air shower mouth, the both ends axle card of activity hydraulic stem is connected with frame and laser generator respectively, and all through round pin hub connection between axle card and frame and the laser generator, constitutes rotatable structure.

Preferably, the outer side of the focusing cavity is sleeved with a protective cover, the top end of the protective cover is connected with the bottom of the laser generator, and the left end of the air shower pipe penetrates through the air inlet to be connected with the air shower port.

Preferably, be bolted connection between protection casing and the laser generator, constitute detachable construction, wind drenches and drenches through threaded connection between the mouth with wind.

Preferably, the station module includes bottom plate, limiting plate, slide rail, connecting block, station board, meshing tooth, indulges pulley, motor, end pulley and horizontal hydraulic stem, the top both sides of bottom plate all are provided with the limiting plate, and the top of limiting plate all is provided with the slide rail, the bottom of bottom plate is provided with the connecting block, the bottom of station board is provided with the meshing tooth, and the both sides of station board all install indulge the pulley, indulge the pulley and place in the slide rail upper surface, the last surface mounting of bottom plate has the motor, and the output of motor installs the gear, the below of connecting block is provided with end pulley, the bottom of horizontal hydraulic stem is connected with the frame, and the top of horizontal hydraulic stem is connected with the connecting block.

Preferably, be the integral type structure between bottom plate and limiting plate, slide rail and the connecting block, and be the bolt fastening between bottom plate and the motor, the station board links to each other with the slide rail through vertical pulley, constitutes movable structure.

Compared with the prior art, the invention has the following beneficial effects:

1. the convection module is arranged, so that scraps and molten metal generated on the surface of a material when the equipment performs laser cutting can be effectively collected and treated, and the air shower port is arranged, so that impurities such as the scraps can be prevented from entering the convex mirror in the focusing cavity to influence the zooming and focusing of a light beam.

2. The invention adopts a large number of bolt connection modes, which is beneficial to the disassembly and assembly of some electronic or mechanical elements with complex structures when the working chamber keeps stable.

3. The two ends of the air shower pipe and the air suction pipe are connected by threads, so that the relative disassembly and installation of the connected parts can be facilitated.

4. The top of the rack is provided with the displacement sensor, so that the motion trail of the bottom workpiece can be effectively monitored, the problems of incomplete cutting or wrong cutting position and the like caused by displacement errors are solved, and the accurate measurement of the displacement of the workpiece can be met by selecting the model of the optoNCDT 14xx/17xx/23xx for the displacement sensor.

5. The invention adopts the mode that the laser cutting head is static and the workpiece moves, compared with other modes of moving the cutting head, the cutting head is more stable, and the influence of slight shaking caused by long-term movement on the precise elements in the cutting head is avoided.

Drawings

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

FIG. 2 is a schematic view of a rotary protective cover according to the present invention;

FIG. 3 is a schematic view of a cutting structure according to the present invention;

FIG. 4 is a schematic view of a partial structure of a cutting module according to the present invention;

FIG. 5 is a schematic view of the bottom plate structure of the present invention;

FIG. 6 is a schematic diagram of the structure of the station board of the present invention.

In the figure: 1. a frame; 2. a displacement sensor; 3. a convection module; 301. a blower; 302. a wind showering pipe; 303. a dust removal fan; 304. a dust collecting chamber; 305. an air intake duct; 306. a protective cover; 307. an air inlet; 308. an air suction port; 4. a cutting module; 401. a laser generator; 402. a focusing chamber; 403. an air shower opening; 404. a convex mirror; 405. a heat-resistant guide block; 406. cutting the opening; 407. a movable hydraulic rod; 408. shaft clamping; 5. a station module; 501. a base plate; 502. a limiting plate; 503. a slide rail; 504. connecting blocks; 505. a station plate; 506. meshing teeth; 507. a longitudinal pulley; 508. a motor; 509. a bottom pulley; 510. a horizontal hydraulic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

1. Referring to fig. 1-6, the present invention provides the following technical solutions: a laser cutting device with a protective structure comprises a frame 1, a convection module 3, a cutting module 4 and a station module 5, wherein a displacement sensor 2 is arranged on the left side of the top of the inner side of the frame 1, the blower 301 is arranged on the upper side of the convection module 3, the convection module 3 is positioned on the right side of the frame 1, the convection module 3 comprises a blower 301, an air shower pipe 302, a dust removing blower 303, a dust collecting chamber 304, an air suction pipe 305, a protective cover 306, an air inlet 307 and an air suction port 308, the blower 301 is arranged on the upper side of the frame 1, the output end of the blower 301 is connected with an air shower pipe 302, the right side inside the frame 1 is provided with a dust removal blower 303, and a dust collecting chamber 304 is arranged at the left side inside the dust removing fan 303, the left side of the dust removing fan 303 is connected with an air suction pipe 305, the left end of the air shower pipe 302 penetrates through an air inlet 307 above the protective cover 306, and the left end of the air suction pipe 305 is connected with an air suction port 308.

Through bolted connection between frame 1 and the displacement sensor 2, constitute detachable construction, frame 1 top is provided with displacement sensor 2, can monitor the motion trail of bottom work piece effectively, prevents that the cutting that the displacement error caused is incomplete or cutting position error scheduling problem, and displacement sensor 2 chooses for use the open NCDT 14xx/17xx/23xx model, can satisfy in the accurate measurement to the work piece displacement volume.

The frame 1, the blower 301 and the dust removing fan 303 are fixed through bolts, and the dust collecting chamber 304 and the dust removing fan 301 are connected in an embedded manner to form a detachable structure.

The air shower pipe 302 is in threaded connection with the blower 301, the air suction pipe 305 is in threaded connection with the dust removal fan 303, and the air suction pipe 305 is in threaded connection with the air suction port 308.

The convection module 3 is arranged, so that debris and molten metal generated on the surface of a material during laser cutting of the device can be effectively collected and processed, and the air shower opening 403 is arranged, so that impurities such as the debris can be prevented from entering the convex mirror 404 in the focusing cavity 402, and the zooming and focusing of a light beam are prevented from being influenced.

The top of cutting module 4 is provided with laser generator 401, and cutting module 4 is located the inboard top of frame 1, cutting module 4 includes laser generator 401, focus chamber 402, wind drenches mouth 403, convex mirror 404, heat-resisting guide block 405, cutting mouth 406, activity hydraulic stem 407 and axle card 48, the inboard top mid-mounting of frame 1 has laser generator 401, and laser generator 1's bottom is provided with focus chamber 402, the inside of focus chamber 402 is provided with convex mirror 404, and the bottom right side of focus chamber 402 is provided with wind drenches mouth 403, the bottom of focus chamber 402 is connected with heat-resisting guide block 405, and the middle part of heat-resisting guide block 405 runs through and is provided with seven mouths 406, the left side bottom of laser generator 401 is connected with movable hydraulic stem 407, and axle card 408 is all installed at the both ends of movable hydraulic stem 407.

2. The laser generator 401 and the focusing cavity 402 are connected through a bolt, the focusing cavity 402 and the convex mirror 404 are connected in a chimeric mode, the focusing cavity 402 and the heat-resistant guide block 405 and the air shower port 403 are of an integrated structure, shaft clamps 408 at two ends of the movable hydraulic rod 407 are respectively connected with the machine frame 1 and the laser generator 401, and the shaft clamps 408 are connected with the machine frame 1 and the laser generator 401 through pin shafts to form a rotatable structure.

The outer side of the focusing cavity 402 is sleeved with a protective cover 306, the top end of the protective cover 306 is connected with the bottom of the laser generator 401, the left end of the air shower pipe 302 penetrates through an air inlet 307 to be connected with an air shower port 403, the protective cover 306 is connected with the laser generator 401 through bolts to form a detachable structure, and the air shower pipe 302 is connected with the air shower port 403 through threads.

Both ends of the air shower pipe 302 and the air suction pipe 305 are in threaded connection, which is beneficial to the relative disassembly and installation of the connected parts.

The middle part of the station module 5 is provided with a bottom plate 501, the station module 501 is positioned at the bottom of the inner side of the frame 1, the station module 5 comprises the bottom plate 501, a limit plate 502, a slide rail 503, a connecting block 504, a station plate 505, a meshing tooth 506, a longitudinal pulley 507, a motor 508, a bottom pulley 509 and a horizontal hydraulic rod 510, the limit plate 502 is arranged on both sides above the bottom plate 501, the top ends of the limit plates 502 are provided with slide rails 503, the bottom of the bottom plate 501 is provided with a connecting block 504, the bottom of the station plate 505 is provided with engaging teeth 506, and the two sides of the station board 505 are both provided with a longitudinal pulley 507, the longitudinal pulleys 507 are arranged on the upper surface of the slide rail 503, the upper surface of the bottom board 501 is provided with a motor 508, and the output of motor 508 installs the gear, and the below of connecting block 504 is provided with bottom pulley 509, and the bottom of horizontal hydraulic stem 510 is connected with frame 1, and the top of horizontal hydraulic stem 510 is connected with connecting block 504.

The bottom plate 501, the limiting plate 502, the sliding rail 503 and the connecting block 504 are all of an integrated structure, the bottom plate 501 and the motor 508 are fixed through bolts, and the station plate 505 is connected with the sliding rail 503 through the longitudinal pulley 507 to form a movable structure.

The equipment adopts a large number of bolt connection modes, which is beneficial to the stability of electronic or mechanical elements with complex structures in a working chamber and can also be disassembled and assembled when the work is finished.

The equipment adopts a mode that the laser cutting head is static and the workpiece moves, compared with other modes of moving the cutting head, the cutting head disclosed by the invention is more stable, and the influence of slight shaking caused by long-term movement on precision elements in the cutting head is avoided.

The working principle is as follows: when the laser cutting equipment with the protective structure is used, firstly, a workpiece to be cut is placed on a station board, then, the power supply of the equipment circuit is turned on, the equipment circuit is powered on, at the moment, the displacement sensor 2 starts to operate and records the initial position of the workpiece, then, the power supply of the laser generator 401 is turned on, the laser generator 401 starts to operate and generates laser beams, the laser beams are refracted and converted inside the laser generator 401, the laser beams irradiate onto the convex mirror 404 inside the focusing cavity 402, the focusing is completed through the refraction of the convex mirror 404, the focal point is located at the cutting initial position of the surface of the workpiece, and the laser beams start to cut the surface of the workpiece.

At this time, the power supplies of the blower 301 and the dust removing fan 303 in the convection module 3 are turned on, the blower 301 and the dust removing fan 303 start to operate, the blower 301 sucks external cold air and continuously injects the cold air into the air shower pipe 302, the air reaches the air shower opening 403 through the inside of the air shower pipe 302 and then is sprayed out from the cutting opening 406 in the heat-resistant guide block 405, debris impurities generated during laser cutting are prevented from entering the cutting opening 406 and being attached to the convex mirror 404, meanwhile, the rapid flow of the air can also take away part of heat inside the focusing cavity 402, and the temperature in the cutting head is prevented from being overhigh.

Meanwhile, the dust removing fan 303 starts to operate to generate suction force, so that the debris impurities in the protective cover 306 are sucked into the dust collecting chamber 304 in the dust removing fan 303 through the air suction port 308 and the air suction pipe 305, the uniform collection and treatment of the debris and the molten metal are completed, and the influence of the splashing of the debris on operators and equipment is prevented.

When the workpiece needs to be continuously cut after the position is changed, the power supply of the motor 508 is turned on, the motor 508 starts to be electrified to operate, the gear at the output end is driven to rotate and is meshed with the meshing gear 506 box at the bottom of the station plate 505, the station plate 505 is enabled to move back and forth in the horizontal direction, when the workpiece needs to be horizontally moved transversely, the horizontal hydraulic rods 510 at the two sides can be adjusted to stretch out and contract, the connecting block 504 is pushed, and the bottom pulley 509 is matched to drive the bottom plate 501 to horizontally move transversely, so that the purpose of adjusting the horizontal transverse position of the workpiece is achieved.

When materials in special shapes need to be cut at specific angles, the adjustable movable hydraulic rod 407 can stretch out or contract, and the cutting head can be driven to change angles through mutual matching of the pin shaft and the shaft clamp 408, so that the aim of cutting workpieces at different angles is fulfilled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.