CN111545930A

CN111545930A - Laser cutting machine

Info

Publication number: CN111545930A
Application number: CN202010423514.3A
Authority: CN
Inventors: 田万忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-08-18

Abstract

The invention discloses a laser cutting machine which structurally comprises a cutting table, a motor, a worm, a sliding frame, a movable support, a laser mechanism and a motor, wherein the motor is fixedly arranged on the upper surface of the cutting table, the output end of the motor is fixed with the worm, a rotating ring rotates on a limiting sliding chute through a rotating wheel, so that a molten material is improved to be in contact with the inner wall of a contact cylinder, the molten material enters a guide groove through a collection opening, is heated by a heating wire, flies over a guide block and passes through an inclined flowing groove to prevent the molten material from flying around a cutting gap of a carbon steel plate, and is abutted against the surface of the carbon steel plate through a flattening mechanism, so that a telescopic pipe is contracted inside a fixed pipe sleeve, hot gas at the cutting gap of the carbon steel plate is absorbed by an exhaust pipe, the temperature at the cutting gap of the carbon steel plate is reduced, and meanwhile, the cutting gap of the horizontal and vertical linear cutting is flattened, and the two side edges of the cutting gap of the carbon steel plate are prevented from tilting.

Description

Laser cutting machine

Technical Field

The invention relates to the field of laser cutting, in particular to a laser cutting machine.

Background

The fiber laser cutting machine irradiates a workpiece by utilizing a focused high-power-density laser beam, so that the workpiece is rapidly melted, ablated or reaches a burning point, and molten substances are blown away by high-speed airflow, so that the workpiece is cut.

Disclosure of Invention

The technical scheme adopted by the invention for realizing the technical purpose is as follows: this laser cutting machine, its structure includes cutting bed, motor, worm, carriage, removal a platform, laser mechanism, motor, fixed surface installs the motor on the cutting bed, motor output end is fixed mutually with the worm, the worm runs through in the carriage inside and sliding connection, the carriage upper end is equipped with removes a platform, it is fixed mutually with the laser mechanism back to remove a platform, the motor output runs through inside laser mechanism upper end, the laser mechanism includes laser head, slewing mechanism, conflict mechanism, laser head upper end slidable mounting and motor output end, the laser head lower extreme is equipped with slewing mechanism, the slewing mechanism lower extreme is fixed mutually with conflict mechanism top, conflict mechanism is equipped with two altogether, establishes respectively in the slewing mechanism lower extreme left and right sides.

As a further improvement of the invention, the rotating mechanism comprises a rotating ring, a rotating wheel, a limiting sliding groove and an anti-splashing mechanism, the rotating ring is arranged at the lower end of the laser head in a clearance fit manner, the rotating wheel is arranged in the rotating ring and is in sliding connection with the inside of the limiting sliding groove, the limiting sliding groove is fixedly arranged at the lower end of the laser head, the anti-splashing mechanism is arranged at the lower end of the rotating ring, the anti-splashing mechanism is arranged at the outer side of the lower end of the laser head, the lower end of the anti-splashing mechanism is fixed with the top of the abutting mechanism, the rotating wheel and the limiting sliding groove are respectively provided with two parts which are respectively arranged at the left front end and the right rear end in the rotating ring.

As a further improvement of the invention, the anti-splashing mechanism comprises a contact cylinder, a diversion trench, a collection port, a heating wire, a guide block and a scraping mechanism, the top of the contact cylinder is fixedly arranged at the lower end of the rotating ring, the diversion trench is embedded in the outer side of the contact cylinder, the inner side of the contact cylinder is embedded with a collection port, the collecting port is communicated with the diversion trench, the upper end of the diversion trench is fixedly provided with a heating wire, the guide block is fixedly arranged at the lower end of the inner side of the contact cylinder, the scraping mechanism is fixedly arranged at the lower end of the outer side of the contact cylinder, the inner part of the scraping mechanism is communicated with the lower end of the diversion trench, the inner part of the contact cylinder is of a hollow round platform structure, the diversion trench is arranged in an inclined angle, the inner temperature of the diversion trench is increased through the heating wires, the upper end of the guide block is of an arc-shaped structure, and an inclined flow groove is formed in the joint of the guide block and the lower end of the diversion trench.

As a further improvement of the present invention, the scraping mechanism includes a placement groove, a shifting block, a swing rod, a torsion spring, a rotating rod and a scraper, the placement groove is fixedly installed at the lower end of the outer side of the contact cylinder, the shifting block is slidably installed inside the outer side of the placement groove, the shifting block is fixedly installed at the lower end of the swing rod, the swing rod is located inside the right side of the placement groove, the upper end of the swing rod is hinged to the rotating rod through the torsion spring, the rotating rod is fixedly installed at the upper right end inside the placement groove, the scraper is fixedly installed at the lower end of the swing rod, the bottom surface of the scraper is in contact with the bottom surface inside the placement groove, the interior of the placement groove is in an arc structure, the lower end of the scraper is provided with a fillet.

As a further improvement of the invention, the collision mechanism comprises a fixed pipe sleeve, an air outlet pipe, a telescopic pipe and a flattening mechanism, wherein the top end of the fixed pipe sleeve is fixedly arranged at the bottom of the rotating mechanism, the left end of the air outlet pipe is embedded in the left side of the top end of the fixed pipe sleeve, the right end of the air outlet pipe is communicated with the inside of the top end of the telescopic pipe, the telescopic pipe is arranged in the fixed pipe sleeve, the lower end of the telescopic pipe is fixed with the upper end of the flattening mechanism, the upper end of the flattening mechanism is arranged at the lower end of the inside of the.

The invention further improves the structure, the flattening mechanism comprises a connecting plate, an exhaust pipe, a support rod and a flattening plate, the upper end of the connecting plate is arranged at the lower end inside the fixed pipe sleeve in a clearance fit mode, the exhaust pipe is embedded inside the connecting plate, the upper end of the exhaust pipe is communicated with the lower end of the telescopic pipe, the bottom surface of the connecting plate is fixed to the top end of the support rod, the flattening plate is arranged at the bottom of the support rod, the exhaust pipe is of a structure with a narrow top and a wide bottom, the two support rods and the two flattening plates are respectively arranged at the front end and the rear end of the bottom surface of the connecting plate, and the.

The invention has the beneficial effects that:

1. the arc splashes take place for the molten material, rotate on spacing spout through rotating the wheel, make the change rotate, improve the molten material and contact a section of thick bamboo inner wall and contact, enter into inside the guiding gutter through collecting the mouth, through the heating of heater strip, the molten material flies over the guide block through the slope flow groove, enter into inside the guiding gutter, collect inside the standing groove with whole molten material, prevent that the molten material from flying to fall around carbon steel board cutting gap, make the pendulum rod swing round the dwang through stirring the shifting block, at this moment, the scraper blade scrapes in the inside bottom surface of standing groove, strike off the inside carbon steel slag that solidifies of standing groove.

2. Contradict through flattening mechanism and carbon steel sheet surface for flexible pipe is in the inside shrink of fixed pipe box, makes the blast pipe absorb the steam of carbon steel sheet cutting gap department, reduces the temperature of carbon steel sheet cutting gap department, and four flattening boards of two flattening mechanism lower extremes through controlling both ends simultaneously can flatten all around the cutting gap that carries out horizontal vertical straight line cutting at the laser head, prevent that carbon steel sheet cutting gap both sides edge from taking place the perk.

Drawings

Fig. 1 is a schematic structural diagram of a laser cutting machine according to the present invention.

Fig. 2 is a schematic structural diagram of a laser mechanism according to the present invention.

Fig. 3 is a schematic view of the internal structure of a rotating mechanism according to the present invention.

Fig. 4 is a schematic cross-sectional view of a splash guard according to the present invention.

Fig. 5 is a schematic perspective view of a scraping mechanism according to the present invention.

Fig. 6 is a schematic view of an internal structure of a collision mechanism according to the present invention.

Fig. 7 is a schematic perspective view of a pressing mechanism according to the present invention.

In the figure: cutting table-1, motor-2, worm-3, sliding frame-4, moving support table-5, laser mechanism-6, motor-7, laser head-61, rotating mechanism-62, interference mechanism-63, rotating ring-621, rotating wheel-622, limit sliding groove-623, anti-splash mechanism-624, contact cylinder-24 a, diversion trench-24 b, collection opening-24 c, heating wire-24 d, guide block-24 e, scraping mechanism-24 f, placing groove-f 1, shifting block-f 2, swing rod-f 3, torsion spring-f 4, rotating rod-f 5, scraping plate-f 6, fixed pipe sleeve-631, air outlet pipe-telescopic pipe 632, flattening mechanism-633, connecting plate-34 a, An exhaust pipe-34 b, a support rod-34 c and a pressing plate-34 d.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 5:

the invention relates to a laser cutting machine which structurally comprises a cutting table 1, a motor 2, a worm 3, a sliding frame 4, a movable support 5, a laser mechanism 6 and a motor 7, wherein the motor 2 is fixedly arranged on the upper surface of the cutting table 1, the output end of the motor 2 is fixed with the worm 3, the worm 3 penetrates through the sliding frame 4 and is in sliding connection with the worm, the movable support 5 is arranged at the upper end of the sliding frame 4, the movable support 5 is fixed with the back of the laser mechanism 6, the output end of the motor 7 penetrates through the inner part of the upper end of the laser mechanism 6, the laser mechanism 6 comprises a laser head 61, a rotating mechanism 62 and an abutting mechanism 63, the upper end of the laser head 61 is slidably arranged with the output end of the motor 7, the lower end of the laser head 61 is provided with the rotating mechanism 62, the lower end of the rotating mechanism 62 is fixed with the top of, are respectively arranged at the left side and the right side of the lower end of the rotating mechanism 62, and can better collide the periphery of two sides of the cutting seam.

Wherein, slewing mechanism 62 includes swivel 621, rotates wheel 622, spacing spout 623, prevents mechanism 624 that splashes, swivel 621 adopts clearance fit to install at laser head 61 lower extreme, the inside rotation wheel 622 that is equipped with of swivel 621, rotate wheel 622 and the inside sliding connection of spacing spout 623, spacing spout 623 fixed mounting is at the laser head 61 lower extreme, swivel 621 lower extreme is equipped with prevents mechanism 624 that splashes, prevent mechanism 624 that splashes and install in the laser head 61 lower extreme outside, it is fixed mutually with conflict mechanism 63 top to prevent mechanism 624 lower extreme that splashes, it all is equipped with two to rotate wheel 622 and spacing spout 623, establishes respectively at the inside left front end of swivel 621 and right rear end to spacing spout 623 is four divide an annular chute, does benefit to and makes swivel 621 carry out four divide a ring rotation, carries out the position rotation to preventing mechanism 624 that splashes.

Wherein, the anti-splashing mechanism 624 comprises a contact cylinder 24a, a diversion trench 24b, a collection port 24c, a heating wire 24d, a guide block 24e and a scraping mechanism 24f, the top of the contact cylinder 24a is fixedly installed at the lower end of the rotary ring 621, the diversion trench 24b is embedded in the outer side of the contact cylinder 24a, the collection port 24c is embedded in the inner side of the contact cylinder 24a, the collection port 24c is communicated with the diversion trench 24b, the heating wire 24d is fixedly installed at the upper end of the diversion trench 24b, the guide block 24e is fixedly installed at the lower end of the inner side of the contact cylinder 24a, the scraping mechanism 24f is fixedly installed at the lower end of the outer side of the contact cylinder 24a, the inner part of the scraping mechanism 24f is communicated with the lower end of the diversion trench 24b, the inner part of the contact cylinder 24a is in a cavity round platform type structure, the carbon steel slag splashed can be favorably contacted through the inclination of the, the internal temperature of the diversion trench 24b is raised through the heating wire 24d, so that the carbon steel slag splashed into the diversion trench 24b is guided to flow, the carbon steel slag is discharged into the scraping mechanism 24f, the upper end of the guide block 24e is of an arc-shaped structure, an inclined flow trench is arranged at the joint of the guide block 24e and the lower end of the diversion trench 24b, and the carbon steel slag splashed in an arc shape flies over the guide block 24e and enters the inclined flow trench.

Wherein the scraping mechanism 24f comprises a placing groove f1, a shifting block f2, a swing rod f3, a torsion spring f4, a rotating rod f5 and a scraper blade f6, the placing groove f1 is fixedly arranged at the lower end of the outer side of the contact cylinder 24a, the shifting block f2 is slidably arranged inside the placing groove f1, the shifting block f2 is fixedly arranged at the lower end of the swing rod f3, the swing rod f3 is positioned inside the right side of the placing groove f1, the upper end of the swing rod f3 is hinged with the rotating rod f5 through the torsion spring f4, the rotating rod f5 is fixedly arranged at the upper right end inside the placing groove f1, the scraper blade f6 is fixedly arranged at the lower end of the swing rod f6, the bottom surface of the scraper blade f6 is in contact with the bottom surface inside the placing groove f6, the inside of the placing groove f6 is in a circular arc structure, and the lower end of the placing groove f6 is provided with a chamfered corner, so that the scraper blade f6 can scrape the, the two swing rods f3 and the two torsion springs f4 are respectively arranged at the front end and the rear end of the rotating rod f5, and swing simultaneously through the two swing rods f3, so that the scraping capacity of the scraper f6 is improved.

The specific use mode and function of the embodiment are as follows:

in the invention, a carbon steel plate is placed on the table top of a cutting table 1, a worm 3 is rotated by starting a motor 2 to convey a sliding frame 4, a laser mechanism 6 is driven to move by a movable support 5, the laser mechanism 6 is driven to vertically move by a motor 7, and is focused by a condenser lens on a laser head 61 to generate high-power-density laser beam irradiation to cut the carbon steel plate, molten substances are generated in a carbon steel cutting gap in the cutting process, arc splashing is generated on the molten substances, a rotating ring 621 rotates by rotating a rotating wheel 622 on a limiting sliding chute 623 to improve the contact of the molten substances and the inner wall of a contact cylinder 24a, the molten substances enter a diversion trench 24b through a collection port 24c, the molten substances flow through the heating of a heating wire 24d, and partial molten substances fly over a guide block 24e and pass through an inclined flow trench, and the molten materials are collected in the placing groove f1 after entering the diversion trench 24b, the molten materials are prevented from flying around the cutting gap of the carbon steel plate to form granular carbon steel slag, the swing rod f3 swings around the rotating rod f5 by shifting the shifting block f2, and the scraper f6 scrapes the bottom surface in the placing groove f1 to scrape the carbon steel slag solidified in the placing groove f 1.

Example 2:

as shown in fig. 6 to 7:

wherein, conflict mechanism 63 includes fixed pipe box 631, outlet duct 632, flexible pipe 633, mechanism 634 flattens, fixed pipe box 631 top fixed mounting is in slewing mechanism 62 bottom, the outlet duct 632 left end inlays in the inside top left side of fixed pipe box 631 to the outlet duct 632 right-hand member link up with flexible pipe 633 top is inside mutually, flexible pipe 633 is installed inside fixed pipe box 631, flexible pipe 633 lower extreme is fixed mutually with mechanism 634 that flattens upper end, it installs at the inside lower extreme of fixed pipe box 631 to flatten mechanism 634 upper end adoption clearance fit, flexible pipe 633 is fold type structure to adopt the polyimide plastics material, do benefit to and have stronger high temperature resistant nature when stretching out and drawing back.

Wherein, flattening mechanism 634 includes linkage plate 34a, blast pipe 34b, branch 34c, pressure flat board 34d, linkage plate 34a upper end adopts clearance fit to install at the inside lower extreme of fixed pipe box 631, linkage plate 34a is inside to have inlayed blast pipe 34b, blast pipe 34b upper end link up with flexible pipe 633 lower extreme mutually, linkage plate 34a bottom surface is fixed mutually with branch 34c top, pressure flat board 34d is established in branch 34c bottom, blast pipe 34b is under the narrow wide structure, does benefit to and discharges the steam around the cutting seam, branch 34c and pressure flat board 34d all are equipped with two, establish both ends around linkage plate 34a bottom surface respectively to pressure flat board 34d is round platform type structure, does benefit to and extrudees carbon steel sheet cutting gap both sides edge, prevents that carbon steel sheet cutting gap both sides edge from taking place the perk.

The specific use mode and function of the embodiment are as follows:

in the cutting process, the flattening mechanism 634 is abutted against the surface of the carbon steel plate, so that the telescopic pipe 633 is contracted inside the fixed pipe sleeve 631, the air pressure of the telescopic pipe 633 is changed, the exhaust pipe 34b absorbs hot air at the cutting gap of the carbon steel plate, the hot air enters the telescopic pipe 633 and is exhausted through the exhaust pipe 632, the temperature at the cutting gap of the carbon steel plate is reduced, meanwhile, the four flattening plates 34d at the lower ends of the two flattening mechanisms 634 at the left end and the right end can flatten the periphery of the cutting gap of the laser head 61 for transverse vertical linear cutting, and the edges at the two sides of the cutting gap of the carbon steel plate are prevented from tilting.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides a laser cutting machine, its structure includes cutting bed (1), motor (2), worm (3), carriage (4), removes a platform (5), laser mechanism (6), motor (7), fixed surface installs motor (2) on cutting bed (1), motor (2) output is fixed mutually with worm (3), worm (3) run through in carriage (4) inside and sliding connection, carriage (4) upper end is equipped with removes a platform (5), it is fixed mutually with laser mechanism (6) back to remove a platform (5), inside motor (7) output runs through in laser mechanism (6) upper end, its characterized in that:

laser mechanism (6) include laser head (61), slewing mechanism (62), conflict mechanism (63), laser head (61) upper end slidable mounting and motor (7) output, laser head (61) lower extreme is equipped with slewing mechanism (62), slewing mechanism (62) lower extreme is fixed mutually with conflict mechanism (63) top.

2. The laser cutting machine according to claim 1, characterized in that: slewing mechanism (62) include swivel (621), rotate wheel (622), spacing spout (623), prevent mechanism (624) that splashes, swivel (621) adopt clearance fit to install at laser head (61) lower extreme, swivel (621) inside is equipped with rotates wheel (622), rotate wheel (622) and inside sliding connection of spacing spout (623), spacing spout (623) fixed mounting is at laser head (61) lower extreme, swivel (621) lower extreme is equipped with prevents mechanism (624) that splashes, prevent that mechanism (624) that splashes install in laser head (61) lower extreme outside, prevent that mechanism (624) lower extreme and conflict mechanism (63) top are fixed mutually.

3. The laser cutting machine according to claim 2, characterized in that: the splash-proof mechanism (624) comprises a contact cylinder (24a), a flow guide groove (24b), a collection port (24c), a heating wire (24d), a guide block (24e) and a scraping mechanism (24f), wherein the top of the contact cylinder (24a) is fixedly installed at the lower end of a rotary ring (621), the flow guide groove (24b) is embedded in the inner outer side of the contact cylinder (24a), the collection port (24c) is embedded in the inner side of the contact cylinder (24a), the collection port (24c) is communicated with the flow guide groove (24b), the heating wire (24d) is fixedly installed at the upper end of the flow guide groove (24b), the guide block (24e) is fixedly installed at the inner lower end of the contact cylinder (24a), the scraping mechanism (24f) is fixedly installed at the outer lower end of the contact cylinder (24a), and the inner part of the scraping mechanism (24f) is communicated with the lower end of the flow guide groove (.

4. A laser cutting machine according to claim 3, characterized in that: the scraping mechanism (24f) comprises a placing groove (f1), a shifting block (f2), a swing rod (f3), a torsion spring (f4), a rotating rod (f5) and a scraper (f6), wherein the placing groove (f1) is fixedly installed at the lower end of the outer side of the contact cylinder (24a), the shifting block (f2) is installed inside the outer side of the placing groove (f1) in a sliding mode, the shifting block (f2) is fixedly installed at the lower end of the swing rod (f3), the swing rod (f3) is located inside the right side of the placing groove (f1), the upper end of the swing rod (f3) is hinged to the rotating rod (f5) through the torsion spring (f4), the rotating rod (f5) is fixedly installed at the upper right end inside the placing groove (f1), the scraper (f6) is fixedly installed at the lower end of the swing rod (f3), and the bottom surface of the scraper (f6) is abutted against the bottom surface of the.

5. The laser cutting machine according to claim 1, characterized in that: conflict mechanism (63) are including fixed pipe box (631), outlet duct (632), flexible pipe (633), mechanism (634) flattens, fixed pipe box (631) top fixed mounting is in slewing mechanism (62) bottom, outlet duct (632) left end inlays in the inside top left side of fixed pipe box (631) to outlet duct (632) right-hand member link up with flexible pipe (633) top is inside mutually, flexible pipe (633) are installed inside fixed pipe box (631), flexible pipe (633) lower extreme is fixed mutually with mechanism (634) upper end that flattens, it adopts clearance fit to install at the inside lower extreme of fixed pipe box (631) to flatten mechanism (634) upper end.

6. The laser cutting machine according to claim 5, characterized in that: flattening mechanism (634) includes linkage plate (34a), blast pipe (34b), branch (34c), pressure flat board (34d), linkage plate (34a) upper end adopts clearance fit to install at fixed pipe box (631) inside lower extreme, blast pipe (34b) have been inlayed to linkage plate (34a) inside, blast pipe (34b) upper end link up with flexible pipe (633) lower extreme mutually, linkage plate (34a) bottom surface is fixed mutually with branch (34c) top, pressure flat board (34d) is established in branch (34c) bottom.