CN114453768A

CN114453768A - Automatic change laser cutting equipment

Info

Publication number: CN114453768A
Application number: CN202210166739.4A
Authority: CN
Inventors: 刘嘉洛
Original assignee: Guangdong Hehong Laser Technology Co ltd
Current assignee: Guangdong Hehong Laser Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-05-10

Abstract

The invention belongs to the field of laser cutting, and particularly relates to automatic laser cutting equipment which comprises a workbench, a first guide rail, a sliding seat and a second guide rail, wherein a supporting plate is fixedly arranged at the end part of the second guide rail, a detection plate is movably arranged on the supporting plate, a roller which is propped against the outer side of the first guide rail is arranged on the detection plate in a rolling manner, a rack plate is fixedly arranged on the detection plate, a driven gear is rotatably arranged in the supporting plate, an on-off key for controlling an alarm is arranged in the supporting plate, and a touch pressure rod is arranged on the driven gear; through setting up pick-up plate and gyro wheel, can carry out the straightness real-time detection that hangs down of second guide rail and first guide rail automatically in the course of the work, through designing rack plate and driven gear, usable gear structure's enlarged principle gives the enlargeing with the less change volume that produces behind second guide rail and the first guide rail relative deflection, and is more accurate to the monitoring of straightness that hangs down, simple structure, convenient to use.

Description

Automatic change laser cutting equipment

Technical Field

The invention belongs to the field of laser cutting, and particularly relates to automatic laser cutting equipment.

Background

In the processing production of plates and pipes, particularly the precision processing of metal plates and pipes, a laser cutting machine is mostly used for cutting processing, the cutting shape and the cutting procedure are preset by a numerical control programming method, then the materials are sent into the laser cutting machine for automatic cutting, and the working efficiency is high.

A chinese patent with publication number CN112756804B discloses an automated laser cutting apparatus, which comprises an apparatus platform, wherein the apparatus platform is provided with an X-axis driving device, a Y-axis driving device and a loading mechanism, the Y-axis driving device is provided with a laser, the top of the loading mechanism is provided with an installation clamp for fixing a plate, the bottom of the loading mechanism is provided with a driving wheel, the loading mechanism is fed below the laser along a track preset on the apparatus platform, and the laser cuts the plate under the driving of the X-axis driving device and the Y-axis driving device; conveying the plate to be cut to a cutting position through walking feeding; then an X-axis driving device and a Y-axis driving device on the equipment platform drive the laser to cut the plate to be cut.

The automatic laser cutting equipment has some problems, the laser moves along two guide rails of an X axis and a Y axis through the sliding block, in order to obtain accurate cutting size, the verticality of the X axis and the Y axis needs to be ensured, so that the movement track of the laser has larger deviation, in the existing method, a magnetic gauge stand is mostly adopted to be matched with a dial gauge to detect the verticality of X axis and Y axis guide rails which are qualified and adjusted, the machine is required to be stopped for detection, the working efficiency of the laser cutting machine is influenced, the magnetic gauge stand and the dial gauge are directly installed in the machine, and an electric control mechanism needs to be additionally arranged, so that the equipment cost is improved; high-temperature powder can be generated in the laser cutting process, and if the powder is not cleaned in time, the grinding damage between the guide rail and the sliding block can be aggravated, and the powder can be adhered to the outer side of the guide rail to cause the sliding block to be blocked; in addition, also adsorb the powder in magnetic stripe surface and the magnetic stripe hole site in the magnetic force gauge stand easily, lead to the magnetic stripe card dead in the hole site the inside, can't normally carry out the guide rail straightness detection achievement that hangs down, the method of adopting artifical clearance not only wastes time and energy, and need shut down the operation, influences work efficiency, foretell automatic laser cutting equipment does not effectual these problems of solution.

To this end, the invention provides an automated laser cutting apparatus.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to automatic laser cutting equipment which comprises a workbench, wherein two first guide rails are arranged at the top of the workbench, sliding seats are slidably arranged on the first guide rails, a second guide rail is arranged between the two sliding seats, a laser cutting mechanism is arranged on the second guide rail, a supporting plate is fixedly arranged at the end part of the second guide rail, a detection plate is movably arranged on the supporting plate, a pressure spring is arranged on the detection plate, a roller which abuts against the outer side of the first guide rail is arranged on the detection plate in a rolling manner, a rack plate which is inserted into the supporting plate is fixedly arranged on the detection plate, a driven gear which is meshed with the rack plate is rotatably arranged in the supporting plate, an on-off key which is used for controlling an alarm is arranged in the supporting plate, and a touch and press rod which corresponds to the on-off key is arranged on the driven gear. When the laser cutting machine works, a workpiece to be cut is placed on the workbench, the workbench can be matched with a numerical control machine tool for use, the movement of the sliding seat and the laser cutting mechanism is controlled through a programming program, the workpiece is subjected to laser cutting, the laser cutting mechanism moves along the first guide rail and the second guide rail in the X-axis direction and the Y-axis direction, and the roller always abuts against the outer side of the first guide rail in the moving process of the sliding seat;

under normal conditions, the second guide rail and the first guide rail are kept vertical, the relative position between the support plate and the first guide rail is kept unchanged, and then the position of the detection plate is unchanged;

if the second guide rail is not perpendicular to the first guide rail any longer and the second guide rail and the first guide rail are relatively inclined, the relative position between the support plate and the first guide rail is changed, at the moment, the detection plate can be extruded and displaced in the left and right directions, and after the detection plate moves, the driven gear and the touch rod are driven by the rack plate to rotate, so that the touch rod touches the on-off key, and the alarm gives out an alarm to remind a worker of timely maintaining;

through setting up pick-up plate and gyro wheel, can carry out the straightness real-time detection that hangs down of second guide rail and first guide rail automatically in the course of the work, through designing rack plate and driven gear, usable gear structure's enlarged principle gives the enlargeing with the less change volume that produces behind second guide rail and the first guide rail relative deflection, and is more accurate to the monitoring of straightness that hangs down, simple structure, convenient to use.

Preferably, the top of workstation is installed the guard plate, is provided with the transmission band on the workstation, and the siren is installed on the slide, is provided with the guide bar that inserts the backup pad inside on the pick-up plate. When the laser cutting machine works, a workpiece to be cut is conveyed to the lower part of the laser cutting mechanism through the conveying belt to be cut.

Preferably, the on-off key comprises two keys, the two keys are symmetrically distributed about the touch rod, and a gap is reserved between each key and the touch rod. During operation, under the normal condition, the touch pole does not contact with the on & off switch, and different sirens can be controlled respectively to two on & off switches, take place the skew back between second guide rail and the first guide rail, along with the difference of skew angle, the touch pole can touch different on & off switches for different sirens send out the warning, and the staff can directly judge the slope situation of guide rail, makes things convenient for the more quick maintenance of staff.

Preferably, the backup pad includes about two risers of slide front and back symmetric distribution, and fixed mounting has the sleeve pipe of cover in the first guide rail outside on the riser, installs the nozzle on the sheathed tube inner wall, installs the inflater on the pick-up plate, through the air duct intercommunication between inflater and the nozzle, and the gyro wheel rotates through the installation axle and installs on the pick-up plate, installs epaxial fixed mounting and is used for stirring the flange of inflater. The during operation, be frictional connection between gyro wheel and the first guide rail, the in-process that the slide removed, the gyro wheel is rotatory thereupon, and through the continuous extrusion inflater of flange, make the inflater work of inflating, the air current that produces is spouted on first guide rail via the nozzle, clear up first guide rail, the powder absorption that has improved among the laser cutting process and produced has been on first guide rail, take place easily between first guide rail and the slide and grind the dead problem of damage and card, moreover, the steam generator is simple in structure, high durability and convenient use, need not additionally to set up jet-propelled electric power drive mechanism, and use cost is reduced.

Preferably, the inside of the sleeve is provided with a through hole corresponding to the first guide rail, the inner diameter of the through hole is larger than the outer diameter of the first guide rail, the nozzles are uniformly distributed on the inner wall of the sleeve in an inclined manner, the air guide tube is provided with a flexible section, and the inside of the air guide tube is provided with a one-way valve I. During operation, the angle of the nozzle is designed, so that the nozzle performs blowing cleaning towards the front of the moving direction of the sliding seat, and the part, which is positioned outside the first guide rail and is not moved to by the sliding seat, is subjected to early blowing cleaning.

Preferably, the supporting plate is fixedly provided with a storage chamber, the air guide pipe is provided with a first branch pipe and a second branch pipe which are respectively communicated with the nozzle and the storage chamber, the first branch pipe is movably provided with a first sealing plate for blocking the first branch pipe, the second branch pipe is movably provided with a second sealing plate for blocking the second branch pipe, and the second sealing plate is provided with a second one-way valve. When the air pump works, when the sliding seat moves upwards, the first sealing plate and the first branch pipe are staggered in the air guide pipe above the sliding seat, the second branch pipe is blocked by the second sealing plate, and at the moment, air flow generated by the air pump and air flow in the storage chamber respectively flow into the second branch pipe through the first check valve and the second check valve and are sprayed out through the nozzle;

meanwhile, in the air guide pipe below the sliding seat, the first sealing plate plugs the first branch pipe, the second sealing plate is staggered with the second branch pipe, and at the moment, airflow generated by the inflator flows into the storage chamber through the second branch pipe for storage;

through the arrangement, the air flow generated by the inflator in the front of the sliding seat in the moving direction is sprayed out through the nozzle, and the front of the sliding seat in the moving direction is cleaned by blowing; the air flow generated by the inflator behind the moving direction of the sliding seat flows into the storage chamber to be stored and boosted; after the slide reverse movement, the air current that steps up in the apotheca is released and blows the brush clearance to the place ahead of slide, has further improved the clearance effect, has realized removing the in-process to the slide, and the produced air current of two front and back inflators carries out the function of different processings, and is better to the utilization effect of air current.

Preferably, the first sealing plate and the second sealing plate are transmitted through an intermediate gear, the intermediate gear is rotatably mounted on the storage chamber, and teeth matched with the intermediate gear are arranged on one side of each of the two opposite sides of the first sealing plate and the second sealing plate. When the air guide pipe is in work, the first sealing plate and the second sealing plate realize synchronous reverse motion through the intermediate gear, so that the first branch pipe and the second branch pipe are always in an open state and the other is in a closed state, and the function of adjusting and controlling the air flow path in the air guide pipe is realized.

Preferably, the driven rod is fixedly mounted on the first sealing plate, the swinging plate is rotatably mounted on the storage chamber, the shifting plate is fixedly mounted on the swinging plate, and the U-shaped seat used for shifting the driven rod is arranged on the shifting plate. When the automatic sealing device works, after the swinging plate swings, the first sealing plate is shifted to move through the shifting plate and the driven rod, and then the first sealing plate and the second sealing plate are driven to synchronously and reversely move, so that the operation is simple.

Preferably, one side of the swing plate close to the convex plate is provided with a one-way plate, the one-way plate comprises two movable plates, the movable plates are in a one-way rotating structure, and the two movable plates are opposite in rotating direction. When the sliding seat works, the rotating direction of the convex plate of the roller is changed along with the sliding seat moving along the first guide rail to different directions;

when the sliding seat moves upwards, the roller is positioned in front of the moving direction of the sliding seat, the roller rotates anticlockwise, the convex plate drives the swing plate to swing clockwise through the one-way plate, the swing plate drives the driven rod and the sealing plate to move downwards through the shifting plate, so that the branch pipe I is opened, the branch pipe II is blocked, and at the moment, airflow generated by the inflator and airflow inside the storage chamber respectively flow into the branch pipe II through the one-way valve I and the one-way valve II and are sprayed out through the nozzle;

when the sliding seat moves downwards, the roller is located behind the moving direction of the sliding seat, the roller rotates clockwise, the convex plate drives the swing plate to swing anticlockwise through the one-way plate, the swing plate drives the driven rod and the sealing plate to move upwards through the shifting plate, so that the branch pipe I is blocked, the branch pipe II is opened, and at the moment, airflow generated by the inflator flows into the storage chamber to be stored and boosted;

through this kind of setting, realized not different along with the slide moving direction, carried out the function of automatic adjustment to the produced air current usage of two inflaters, simple structure, convenient to use need not additionally to set up electric drive device, has reduced use cost.

The invention has the following beneficial effects:

1. according to the automatic laser cutting equipment, the detection plate and the roller are arranged, so that the verticality of the second guide rail and the first guide rail can be automatically detected in real time in the working process, the rack plate and the driven gear are designed, the amplification principle of the gear structure can be utilized, the small variable quantity generated after the second guide rail and the first guide rail are relatively inclined can be amplified, the verticality can be more accurately monitored, the structure is simple, and the use is convenient.

2. According to the automatic laser cutting equipment, the inflator, the sealing plate and the swinging plate are arranged in an improved mode, air flow generated by the inflator in the front of the moving direction of the sliding seat is sprayed out through the nozzle, and blowing and brushing cleaning are conducted on the front of the moving direction of the sliding seat; the produced air current of inflater at slide moving direction rear flows and stores and steps up in the apotheca, and slide reverse movement back, the air current that steps up in the apotheca is released and blows the brush clearance to the place ahead of slide, has further improved the result of use of clearance effect and air current, and the clearance operation drives through the removal of gyro wheel, reduces use cost.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front sectional view of a coupling structure of a first rail and a second rail according to the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion C of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged view of a portion D of FIG. 4 in accordance with the present invention;

fig. 7 is a partial enlarged view of portion E of fig. 4 according to the present invention.

In the figure: 1. a work table; 101. a protection plate; 102. a conveyor belt; 2. a first guide rail; 3. a slide base; 4. A second guide rail; 5. a support plate; 6. detecting a plate; 7. a roller; 8. a rack plate; 9. a driven gear; 10. An on-off key; 11. a touch pressure lever; 12. a sleeve; 13. a nozzle; 14. an inflator; 15. an air duct; 151. a one-way valve I; 16. a convex plate; 17. a storage chamber; 18. a first sealing plate; 19. a second sealing plate; 20. a second one-way valve; 21. an intermediate gear; 22. a driven lever; 23. dialing a plate; 24. a swinging plate; 25. a one-way plate; 26. An elastic expansion piece.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1 to 5, an automated laser cutting apparatus according to an embodiment of the present invention includes a table 1, two first guide rails 2 are installed at the top of workbench 1, slide mount has slide 3 on first guide rail 2, install second guide rail 4 between two slide 3, install laser cutting mechanism on the second guide rail 4, the tip fixed mounting of second guide rail 4 has backup pad 5, movable mounting has pick-up plate 6 on the backup pad 5, install the pressure spring on the pick-up plate 6, roll on the pick-up plate 6 and install gyro wheel 7 that supports in the first guide rail 2 outside, fixed mounting has the inside rack board 8 that inserts backup pad 5 on the pick-up plate 6, the inside rotation of backup pad 5 installs the driven gear 9 with rack board 8 looks meshing, the internally mounted of backup pad 5 has the on & off switch 10 that is used for controlling the siren, be provided with the touch pole 11 that corresponds with on & off switch 10 on driven gear 9. When the cutting machine works, a workpiece to be cut is placed on the workbench 1, the workbench 1 can be matched with a numerical control machine tool for use, the movement of the sliding seat 3 and the laser cutting mechanism is controlled through a programming program, the workpiece is subjected to laser cutting, the laser cutting mechanism moves along the first guide rail 2 and the second guide rail 4 in the X-axis direction and the Y-axis direction, and the roller 7 always abuts against the outer side of the first guide rail 2 in the moving process of the sliding seat 3;

under normal conditions, the second guide rail 4 and the first guide rail 2 are kept vertical, the relative position between the support plate 5 and the first guide rail 2 is kept unchanged, and then the position of the detection plate 6 is unchanged;

if the second guide rail 4 is not perpendicular to the first guide rail 2 any longer, and the second guide rail 4 and the first guide rail 2 are relatively inclined, the relative position between the support plate 5 and the first guide rail 2 is also changed, at the moment, the detection plate 6 can be extruded and displaced in the left-right direction, and after the detection plate 6 moves, the rack plate 8 drives the driven gear 9 and the touch and press rod 11 to rotate, so that the touch and press rod 11 touches the switch key 10, and the alarm gives out an alarm to remind a worker to maintain in time;

through setting up pick-up plate 6 and gyro wheel 7, can carry out the straightness real-time detection that hangs down of second guide rail 4 and first guide rail 2 automatically in the course of the work, through designing rack plate 8 and driven gear 9, usable gear structure's enlarged principle gives the enlargeing with the less change volume that produces behind second guide rail 4 and the first guide rail 2 relative deflection, and is more accurate to the monitoring of straightness that hangs down, simple structure, convenient to use.

As shown in fig. 1 to 5, a protection plate 101 is installed on the top end of the work table 1, a transmission belt 102 is installed on the work table 1, an alarm is installed on the slide base 3, and a guide rod inserted into the support plate 5 is installed on the detection plate 6. In operation, a workpiece to be cut is transported to the underside of the laser cutting mechanism via the conveyor belt 102 for cutting operations.

As shown in fig. 5, the on-off switch 10 includes two keys, the two keys are symmetrically distributed about the touch rod 11, and a gap is left between the keys and the touch rod 11. During operation, under the normal condition, touch and press pole 11 not with on & off switch 10 contact, different sirens can be controlled respectively to two on & off switches 10, take place the skew back between second guide rail 4 and the first guide rail 2, along with the difference of skew angle, touch and press pole 11 can touch different on & off switches 10 for different sirens send out the warning, and the staff can directly judge out the slope situation of guide rail, makes things convenient for the more quick maintenance of staff.

As shown in fig. 2 to 7, the support plate 5 includes two vertical plates symmetrically distributed about the front and back of the slide carriage 3, a sleeve 12 sleeved outside the first guide rail 2 is fixedly mounted on the vertical plates, a nozzle 13 is mounted on the inner wall of the sleeve 12, an inflator 14 is mounted on the detection plate 6, the inflator 14 is communicated with the nozzle 13 through an air duct 15, the roller 7 is rotatably mounted on the detection plate 6 through a mounting shaft, and a convex plate 16 for shifting the inflator 14 is fixedly mounted on the mounting shaft. The during operation, be frictional connection between gyro wheel 7 and the first guide rail 2, the in-process that slide 3 removed, gyro wheel 7 is rotatory thereupon, and through the continuous extrusion inflater 14 of flange 16, make inflater 14 work, the air current that produces spouts on first guide rail 2 via nozzle 13, clear up first guide rail 2, the powder absorption that has improved in the laser cutting process and produced has been improved on first guide rail 2, take place easily between first guide rail 2 and the slide 3 and grind the dead problem of damage and card, moreover, the steam generator is simple in structure, high durability and convenient use, need not additionally to set up jet-propelled electric drive mechanism, and use cost is reduced.

As shown in fig. 2 to 6, a through hole corresponding to the first guide rail 2 is formed in the sleeve 12, the inner diameter of the through hole is larger than the outer diameter of the first guide rail 2, the nozzles 13 are uniformly distributed on the inner wall of the sleeve 12 in an inclined manner, a flexible section is arranged on the air duct 15, and a one-way valve 151 is installed inside the air duct 15. In operation, by designing the angle of the nozzle 13 such that the nozzle 13 blows air forward in the moving direction of the carriage 3, the portion of the first rail 2 outside the carriage 3 that has not yet moved is cleaned by blowing air forward.

As shown in fig. 4 to 6, a storage chamber 17 is fixedly installed on the support plate 5, a first branch pipe and a second branch pipe communicated with the nozzle 13 and the storage chamber 17 are respectively arranged on the air duct 15, a first sealing plate 18 for blocking the first branch pipe is movably installed on the first branch pipe, a second sealing plate 19 for blocking the second branch pipe is movably installed on the second branch pipe, and a second check valve 20 is installed on the second sealing plate 19. In operation, taking fig. 3 and 6 as an example, when the sliding seat 3 moves upwards, the first sealing plate 18 is staggered with the first branch pipe in the air duct 15 above the sliding seat 3, the second branch pipe is blocked by the second sealing plate 19, and at this time, the air flow generated by the inflator 14 and the air flow in the storage chamber 17 flow into the second branch pipe through the first check valve 151 and the second check valve 20 respectively and are ejected outwards through the nozzle 13;

meanwhile, in the air duct 15 below the sliding seat 3, the first sealing plate 18 blocks the first branch pipe, the second sealing plate 19 is staggered with the second branch pipe, and at the moment, the air flow generated by the inflator 14 flows into the storage chamber 17 through the second branch pipe for storage;

with the arrangement, the air flow generated by the air pump 14 in the front of the sliding seat 3 in the moving direction is sprayed out through the nozzle 13, and the front of the sliding seat 3 in the moving direction is cleaned by blowing; the air flow generated by the air pump 14 behind the sliding seat 3 in the moving direction flows into the storage chamber 17 for storage and pressure boosting; after the slide 3 reverse movement, the air current that steps up in the apotheca 17 is released and blows the brush clearance to the place ahead of slide 3, has further improved the clearance effect, has realized removing the in-process to slide 3, and the function that the produced air current of two front and back inflators 14 carries out different processings has better the utilization effect to the air current.

As shown in fig. 6, the first sealing plate 18 and the second sealing plate 19 are driven by an intermediate gear 21, the intermediate gear 21 is rotatably mounted on the storage chamber 17, and one side of the opposite surfaces of the first sealing plate 18 and the second sealing plate 19 is provided with teeth matched with the intermediate gear 21. When the air duct adjusting device works, the first sealing plate 18 and the second sealing plate 19 realize synchronous reverse movement through the intermediate gear 21, so that the first branch pipe and the second branch pipe are always in an open state and the other is in a closed state, and the function of adjusting and controlling the air flow path in the air duct 15 is realized.

As shown in fig. 4 to 7, a driven rod 22 is fixedly mounted on the first sealing plate 18, a swinging plate 24 is rotatably mounted on the storage chamber 17, a shifting plate 23 is fixedly mounted on the swinging plate 24, and a U-shaped seat for shifting the driven rod 22 is arranged on the shifting plate 23. During operation, after the swing plate 24 swings, the first sealing plate 18 is shifted to move through the shifting plate 23 and the driven rod 22, and then the first sealing plate 18 and the second sealing plate 19 are driven to synchronously move in the opposite direction, so that the operation is simple.

As shown in fig. 4 to 7, a one-way plate 25 is mounted on one side of the swing plate 24 close to the convex plate 16, and the one-way plate 25 includes two movable plates, which are in a one-way rotation structure and have opposite rotation directions. In operation, when the sliding base 3 moves along the first guide rail 2 in different directions, the rotation direction of the convex plate 16 of the roller 7 changes;

taking fig. 6 and 7 as an example, the roller 7 in fig. 7 is located above the sliding seat 3, when the sliding seat 3 moves upward, the roller 7 is located in front of the moving direction of the sliding seat 3, the roller 7 rotates counterclockwise, the convex plate 16 drives the swing plate 24 to swing clockwise through the one-way plate 25, the swing plate 24 drives the driven rod 22 and the first sealing plate 18 to move downward through the shifting plate 23, so that the first branch pipe is opened, and the second branch pipe is blocked, at this time, the air flow generated by the inflator 14 and the air flow inside the storage chamber 17 flow into the second branch pipe through the one-way valve one 151 and the one-way valve two 20 respectively, and are ejected outward through the nozzle 13;

when the sliding seat 3 moves downwards, the roller 7 is located behind the sliding seat 3 in the moving direction, the roller 7 rotates clockwise, the convex plate 16 drives the swing plate 24 to swing anticlockwise through the one-way plate 25, the swing plate 24 drives the driven rod 22 and the first sealing plate 18 to move upwards through the shifting plate 23, so that the first branch pipe is blocked, the second branch pipe is opened, and at the moment, airflow generated by the inflator 14 flows into the storage chamber 17 to be stored and boosted;

through the arrangement, the function of automatically adjusting the air flow purposes generated by the two inflators 14 along with the non-different moving directions of the sliding seat 3 is realized, the structure is simple, the use is convenient, an electric driving device is not required to be additionally arranged, and the use cost is reduced.

Example two

As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: the first sealing plate 18 is provided with an elastic expansion piece 26, the elastic expansion piece 26 comprises an expansion link which is obliquely arranged, two ends of the expansion link are movably hinged with the storage chamber 17 and the first sealing plate 18 respectively, and a supporting spring is arranged on the expansion link; when the sealing plate device works, the telescopic rod can keep a stable inclined state under the pushing of the supporting spring, and further the position stability of the first sealing plate 18 after moving is improved.

The working principle is as follows:

a workpiece to be cut is placed on a workbench 1, the workbench 1 can be used in cooperation with a numerical control machine tool, the movement of a sliding seat 3 and a laser cutting mechanism is controlled through a programming program, the workpiece is subjected to laser cutting, the laser cutting mechanism moves in the X-axis and Y-axis directions along a first guide rail 2 and a second guide rail 4, and a roller 7 always abuts against the outer side of the first guide rail 2 in the moving process of the sliding seat 3;

The work piece to be cut is transported to below the laser cutting mechanism via the conveyor belt 102 for a cutting operation.

Under normal condition, touch depression bar 11 not with the contact of on & off switch 10, different sirens can be controlled respectively to two on & off switches 10, take place the skew back between second guide rail 4 and the first guide rail 2, along with the difference of skew angle, touch depression bar 11 can touch different on & off switches 10 for different sirens send out the warning, and the staff can directly judge the slope situation of guide rail, makes things convenient for the more quick maintenance of staff.

For frictional connection between gyro wheel 7 and the first guide rail 2, the in-process that slide 3 removed, gyro wheel 7 is rotatory thereupon, and through the continuous extrusion inflater 14 of flange 16, make inflater 14 work, the air current that produces spouts on first guide rail 2 via nozzle 13, clear up first guide rail 2, the powder that has improved the laser cutting in-process and has produced adsorbs on first guide rail 2, take place easily between first guide rail 2 and the slide 3 and grind the problem of damage and card die, moreover, the steam generator is simple in structure, high durability and convenient use, need not additionally to set up jet-propelled electric drive mechanism, and use cost is reduced.

By designing the angle of the nozzle 13 such that the nozzle 13 performs the air blowing cleaning toward the front in the moving direction of the carriage 3, the forward blowing cleaning is performed on the portion outside the first guide rail 2 and located to which the carriage 3 has not moved yet.

Taking fig. 3 and 6 as an example, when the sliding seat 3 moves upwards, in the air duct 15 above the sliding seat 3, the first sealing plate 18 is staggered with the first branch pipe, the second sealing plate 19 blocks the second branch pipe, and at this time, the air flow generated by the inflator 14 and the air flow inside the storage chamber 17 respectively flow into the second branch pipe through the first check valve 151 and the second check valve 20 and are ejected outwards through the nozzle 13;

The first sealing plate 18 and the second sealing plate 19 realize synchronous reverse motion through the intermediate gear 21, so that the first branch pipe and the second branch pipe are always in an open state and the other is in a closed state, and the function of regulating and controlling the flow path of the air flow in the air guide pipe 15 is realized.

After the swing plate 24 swings, the first sealing plate 18 is shifted to move through the shifting plate 23 and the driven rod 22, and then the first sealing plate 18 and the second sealing plate 19 are driven to synchronously move in the opposite direction, so that the operation is simple.

When the sliding seat 3 moves along the first guide rail 2 in different directions, the rotating direction of the convex plate 16 of the roller 7 changes;

when the sliding seat 3 moves downwards, the roller 7 is located behind the sliding seat 3 in the moving direction, the roller 7 rotates clockwise, the convex plate 16 drives the swing plate 24 to swing anticlockwise through the one-way plate 25, the swing plate 24 drives the driven rod 22 and the sealing plate I18 to move upwards through the shifting plate 23, the branch pipe I is blocked, the branch pipe II is opened, and at the moment, airflow generated by the inflator 14 flows into the storage chamber 17 to be stored and pressurized;

The telescopic rod can keep a stable inclined state under the pushing of the supporting spring, and further the position stability of the first sealing plate 18 after moving is improved.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely intended to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic change laser cutting equipment which characterized in that: comprises a workbench (1), two first guide rails (2) are installed at the top of the workbench (1), a sliding seat (3) is installed on each first guide rail (2), a second guide rail (4) is installed between the two sliding seats (3), a laser cutting mechanism is installed on each second guide rail (4), a supporting plate (5) is fixedly installed at the end part of each second guide rail (4), a detection plate (6) is movably installed on each supporting plate (5), a pressure spring is installed on each detection plate (6), a roller (7) which abuts against the outer side of each first guide rail (2) is installed on each detection plate (6) in a rolling mode, rack plates (8) which are inserted into the supporting plates (5) are fixedly installed on the detection plates (6), driven gears (9) which are meshed with the rack plates (8) are installed in the supporting plates (5) in a rotating mode, an on-off key (10) which is used for controlling an alarm is installed inside the supporting plates (5), the driven gear (9) is provided with a touch and press rod (11) corresponding to the switch key (10).

2. An automated laser cutting apparatus according to claim 1, wherein: protection plate (101) are installed on the top of workstation (1), are provided with transmission band (102) on workstation (1), and the siren is installed on slide (3), is provided with the guide bar that inserts backup pad (5) inside on pick-up plate (6).

3. An automated laser cutting apparatus according to claim 1, wherein: the switch key (10) comprises two keys which are symmetrically distributed about the touch and press rod (11), and a gap is reserved between each key and the touch and press rod (11).

4. An automated laser cutting apparatus according to claim 1, wherein: backup pad (5) include about two risers of slide (3) front and back symmetric distribution, fixed mounting has sleeve pipe (12) of cover in first guide rail (2) outside on the riser, install nozzle (13) on the inner wall of sleeve pipe (12), install inflater (14) on pick-up plate (6), communicate through air duct (15) between inflater (14) and nozzle (13), gyro wheel (7) are installed on pick-up plate (6) through the installation axle rotation, install epaxial fixed mounting and are used for stirring protruding board (16) of inflater (14).

5. An automated laser cutting apparatus according to claim 4, wherein: the through-hole corresponding with first guide rail (2) is seted up to the inside of sleeve pipe (12), and the internal diameter of through-hole is greater than the external diameter of first guide rail (2), and nozzle (13) are slope form evenly distributed on the inner wall of sleeve pipe (12), are provided with flexible section on air duct (15), and the internally mounted of air duct (15) has check valve (151).

6. An automated laser cutting apparatus according to claim 4, wherein: the device is characterized in that a storage chamber (17) is fixedly mounted on the supporting plate (5), a first branch pipe and a second branch pipe which are respectively communicated with the nozzle (13) and the storage chamber (17) are arranged on the air guide pipe (15), a first sealing plate (18) used for blocking the first branch pipe is movably mounted on the first branch pipe, a second sealing plate (19) used for blocking the second branch pipe is movably mounted on the second branch pipe, and a second check valve (20) is mounted on the second sealing plate (19).

7. An automated laser cutting apparatus according to claim 6, wherein: the sealing plate I (18) and the sealing plate II (19) are transmitted through an intermediate gear (21), the intermediate gear (21) is rotatably installed on the storage chamber (17), and teeth matched with the intermediate gear (21) are arranged on one side of the opposite surface of the sealing plate I (18) and the sealing plate II (19).

8. An automated laser cutting apparatus according to claim 6, wherein: the driven rod (22) is fixedly mounted on the first sealing plate (18), the swinging plate (24) is rotatably mounted on the storage chamber (17), the shifting plate (23) is fixedly mounted on the swinging plate (24), and the U-shaped seat used for shifting the driven rod (22) is arranged on the shifting plate (23).

9. An automated laser cutting apparatus according to claim 8, wherein: one side of the swing plate (24) close to the convex plate (16) is provided with a one-way plate (25), the one-way plate (25) comprises two movable plates, the movable plates are in a one-way rotating structure, and the two movable plates are opposite in rotating direction.

10. An automated laser cutting apparatus according to claim 6, wherein: install elastic expansion piece (26) on sealing board (18), elastic expansion piece (26) are including the telescopic link that is the installation of slope form, and the both ends of telescopic link are provided with supporting spring with apotheca (17) and sealing board (18) activity hinge respectively on the telescopic link.