CN213560598U

CN213560598U - Laser cutting machine with cooling function

Info

Publication number: CN213560598U
Application number: CN202022138318.XU
Authority: CN
Inventors: 杨振威
Original assignee: Chuangxuan Nanjing Laser Intelligent Technology Co ltd
Current assignee: Chuangxuan Nanjing Laser Intelligent Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-29
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a laser cutting machine with cooling function relates to laser cutting technical field, including the header, the cutting cavity has been seted up to the inside of header. The utility model discloses an atomizing cooling nozzle's use, can carry out real-time cooling to the part of being cut of work piece, prevent that the work piece part from taking place deformation because of the high temperature, cooperation through stroke screw rod two and stroke piece two, use through cooling xarm and fore-set, make the temperature rising part of the cooling work piece that the device can be accurate, make the device with few coolant liquid alright reach fine cooling effect, use through high-pressure gas passageway and coolant liquid passageway, produce a large amount of atomized cooling liquid, make the cooling effect to the work piece rapider and abundant, the effect is more ideal, use through above mechanism, can be accurate cool off the cutting position to the work piece, practice thrift use cost, reduce the clearance problem that the hydrops caused in the cutting cavity of coolant liquid.

Description

Laser cutting machine with cooling function

Technical Field

The utility model relates to a laser cutting technical field specifically is a laser cutting machine with cooling function.

Background

The laser cutting machine is characterized in that laser emitted from a laser device is converged into a laser beam with high power density through a light path system, the laser beam irradiates the surface of a workpiece to enable the workpiece to reach a melting point or a boiling point, meanwhile, molten or gasified metal is blown away by high-pressure gas coaxial with the laser beam, and finally, a material forms a cutting seam along with the movement of the relative position of the laser beam and the workpiece, so that the purpose of cutting is achieved.

When the laser cutting machine runs, light beams emitted by the laser are conical, when the laser cutting machine cuts, the laser beams are conical downward, at the moment, if the thickness of a cut workpiece is large, the cutting precision is reduced, the cut gap is increased, the cutting quality is reduced, the laser cutting machine acts on a product through high-energy laser, the laser ablates the workpiece to achieve the purpose of cutting, a great deal of heat can be released in the process, the workpiece is deformed due to overhigh temperature, and even the workpiece is scrapped, the defective rate of workpiece processing is increased, and the practicability and popularization of the laser cutting machine are limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser cutting machine with cooling function to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a laser cutting machine with a cooling function comprises a header, wherein a cutting cavity is formed in the header, a movable transverse arm is arranged in the cutting cavity, cooling supports are fixedly connected to two sides of the bottom of the movable transverse arm, the inner side of each cooling support is movably connected with one end of a stroke screw rod II, the other end of each stroke screw rod II is fixedly connected with a stepping motor II, the outer side of each stroke screw rod II is in threaded connection with a stroke block II, a constraint slide block is arranged on the outer side of each stroke block II, the outer side of each constraint slide block is movably connected with the inner wall of a slide block slide way, a stroke block slide way is formed in the cooling support, the outer side of each stroke block II is connected with a cooling transverse arm, a high-pressure gas channel and a cooling liquid channel are formed in the cooling transverse arm, an atomizing cooling nozzle and a top, the inner wall of the cutting cavity is fixedly connected with a first stepping motor, one output end of the first stepping motor is fixedly connected with a first stroke screw rod, the outer side of the first stroke screw rod is in threaded connection with a first stroke block, one side of the first stroke block is fixedly connected with a clamping cross arm, servo electric cylinders are arranged on two sides of the bottom of the clamping cross arm, the bottom of each servo electric cylinder is fixedly connected with a movable clamp, the bottom of the clamping cross arm is fixedly connected with a fixed clamp, and the outer side of the moving cross arm is movably connected with a laser emitting head.

Further, the inside of header is provided with laser generator, the bottom of header is provided with the marble base, the top swing joint of header has the top cap, the header increases its quality and stability through the marble, depends on and supports for other mechanisms and part provide.

Furthermore, a guide rail sliding groove is formed in the inner wall of the cutting cavity, a movable cross arm is movably connected to the guide rail sliding groove, a lead screw guide rail is arranged on one side of the movable cross arm, a laser emitting head is connected to the outer side of the lead screw guide rail in a threaded mode, and the movable cross arm loads the whole weight of the cooling support and the laser emitting head, so that support is provided for the movement of the laser emitting head.

Furthermore, the high-pressure gas channel and the cooling liquid channel are fixedly connected to the inside of the cooling cross arm, the outer sides of the high-pressure gas channel and the cooling liquid channel are fixedly connected with the bottom of the atomizing cooling nozzle, and the high-pressure gas channel and the cooling liquid channel provide high-pressure gas and cooling liquid for the cooling device.

Furthermore, a through groove is formed in the middle of the cooling cross arm, the number of the atomizing cooling nozzles and the number of the ejection columns are thirty, the atomizing cooling nozzles and the ejection columns are divided into two groups of every fifteen, the two groups of every fifteen are symmetrical about the through groove, the through groove formed in the cooling cross arm is a laser channel, and the cooling cross arm is prevented from being in contact with laser.

Furthermore, the number of the clamping cross arms is two, one end of the first stroke screw rod is fixedly connected with the power output end of the first stepping motor, the other end of the first stroke screw rod is movably connected with the inner wall of the cutting cavity, and the first stepping motor provides power for rotation of the first stroke screw rod.

Furthermore, the outer side of the second stroke block is movably connected with the inner wall of the slide way of the stroke block, the inner wall of the slide way of the stroke block is provided with a slide way, the second stepping motor is fixedly connected to the bottom of the cooling cross arm, and the second stroke block provides support for the position movement of the cooling cross arm.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses an atomizing cooling nozzle's use, can carry out real-time cooling to the part of being cut of work piece, prevent that the work piece part from taking place deformation because of the high temperature, cooperation through stroke screw rod two and stroke piece two, use through cooling xarm and fore-set, make the temperature rising part of the cooling work piece that the device can be accurate, make the device with few coolant liquid alright reach fine cooling effect, use through high-pressure gas passageway and coolant liquid passageway, produce a large amount of atomized cooling liquid, make the cooling effect to the work piece rapider and abundant, the effect is more ideal, use through above mechanism, can be accurate cool off the cutting position to the work piece, practice thrift use cost, reduce the clearance problem that the hydrops caused in the cutting cavity of coolant liquid.

2. The utility model discloses the cooperation that fixation clamp and activity were pressed from both sides, can fix and fix a position the work piece of waiting to cut, avoid waiting to cut the work piece and take place the position removal in cutting process, lead to processing work piece error increase, through the cooperation of stroke piece one and stroke screw rod one, make the work piece size range that the fixation clamp and activity clamp can press from both sides and get increase, increase the specification of workable work piece promptly, and simultaneously, make degree of automation further promote, also make the processing mode can become more diversified, the cost of labor has been reduced, the error that manual operation brought has been reduced, production efficiency and yields have been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the connection relationship of the first stroke screw rod of the present invention;

fig. 3 is a partially enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention;

fig. 4 is a schematic view of a part B of fig. 1 according to the present invention;

FIG. 5 is a schematic view of the connection relationship between the atomizing cooling nozzle and the cooling cross arm according to the present invention;

fig. 6 is a schematic top view of the structure of the cooling cross arm part of the present invention.

In the figure: 1. a header; 2. cutting the cavity; 3. a high pressure gas channel; 4. a coolant passage; 5. moving the cross arm; 6. cooling the support; 7. a laser emitting head; 8. cooling the cross arm; 9. an atomizing cooling nozzle; 10. a top pillar; 11. a fixing clip; 12. a movable clamp; 13. a servo electric cylinder; 14. clamping a cross arm; 15. a first stroke block; 16. a first stroke screw rod; 17. a first stepping motor; 18. a second stroke screw; 19. a travel block slide; 20. a second stroke block; 21. restraining the sliding block; 22. a slider slide; 23. and a second stepping motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 3-6, the laser cutting machine with the cooling function comprises a cutting table 1, a cutting cavity 2 is formed in the cutting table 1, a movable cross arm 5 is arranged in the cutting cavity 2, cooling brackets 6 are fixedly connected to both sides of the bottom of the movable cross arm 5, the inner side of each cooling bracket 6 is movably connected with one end of a stroke screw rod II 18, the other end of the stroke screw rod II 18 is fixedly connected with a stepping motor II 23, the outer side of the stroke screw rod II 18 is in threaded connection with a stroke block II 20, a constraint slide block 21 is arranged on the outer side of the stroke block II 20, the outer side of the constraint slide block 21 is movably connected with the inner wall of a slide block slide way 22, a stroke block slide way 19 is formed in the cooling bracket 6, the outer side of the stroke block II 20 is connected with a cooling cross arm 8, a high-pressure gas channel 3 and a cooling liquid channel 4 are, the top of the cooling cross arm 8 is provided with an atomizing cooling nozzle 9 and a support pillar 10, and the outer side of the movable cross arm 5 is movably connected with a laser emitting head 7.

In a preferred embodiment, the inside of header 1 is provided with the laser generator, the bottom of header 1 is provided with the marble base, the top swing joint of header 1 has the top cap, header 1 increases its quality and stability through the marble, provides depending on and supports for other mechanism and part.

In a preferred embodiment, the inner wall of the cutting cavity 2 is provided with a guide rail sliding groove, the guide rail sliding groove is movably connected with a movable cross arm 5, one side of the movable cross arm 5 is provided with a screw rod guide rail, the outer side of the screw rod guide rail is in threaded connection with a laser emitting head 7, and the movable cross arm 5 loads the total weight of the cooling bracket 6 and the laser emitting head 7 so as to provide support for the movement of the laser emitting head 7.

In a preferred embodiment, the high-pressure gas channel 3 and the cooling liquid channel 4 are fixedly connected to the inside of the cooling cross arm 8, the outer sides of the high-pressure gas channel 3 and the cooling liquid channel 4 are fixedly connected with the bottom of the atomizing cooling nozzle 9, and the high-pressure gas channel 3 and the cooling liquid channel 4 provide high-pressure gas and cooling liquid for the cooling device.

In a preferred embodiment, a through groove is formed in the middle of the cooling cross arm 8, the number of the atomizing cooling nozzles 9 and the number of the ejection pillars 10 are thirty, and the atomizing cooling nozzles are divided into two groups of fifteen, and the two groups of atomizing cooling nozzles are symmetrical about the through groove, and the through groove formed in the cooling cross arm 8 is a laser channel, so that the cooling cross arm 8 is prevented from being contacted with laser.

In a preferred embodiment, the outer side of the second stroke block 20 is movably connected with the inner wall of the second stroke block slide way 19, the inner wall of the second stroke block slide way 19 is provided with a slide block slide way 22, the second stepping motor 23 is fixedly connected to the bottom of the cooling cross arm 8, and the second stroke block 20 provides support for the position movement of the cooling cross arm 8.

The implementation mode is specifically as follows: when a workpiece to be cut is cut, the workpiece to be cut is fixed, the second stepping motor 23 is controlled to drive the second stroke screw 18 to rotate, the second stroke screw 18 drives the second stroke block 20 to move, the second stroke block 20 moves to enable the cooling cross arm 8 to move along with the cooling cross arm, so that the atomizing cooling nozzle 9 and the ejection column 10 are continuously close to the workpiece to be cut, when the ejection column 10 is contacted with the workpiece to be cut, the action of the second stepping motor 23 is stopped, when the laser emitting head 7 starts to cut the workpiece to be cut, the high-pressure gas channel 3 and the cooling liquid channel 4 start to work, high-pressure gas and cooling liquid are conveyed, mixing is carried out in the atomizing cooling nozzle 9, the cooling liquid is atomized according to a Venturi principle, and as the cooling support 6 and the cooling cross arm 8 are fixed at the bottom of the movable cross arm 5, the atomizing cooling nozzle 9 is always positioned at the bottom of the part of the workpiece to be cut, and the atomized cooling liquid can be, when the atomized cooling liquid contacts the part being cut of the workpiece, the atomized cooling liquid is quickly gasified under the action of high temperature to take away heat energy, so that the temperature of the workpiece is maintained within a rated range, and the workpiece is prevented from being deformed and damaged in the process of machining.

The laser cutting machine with the cooling function as shown in fig. 1-2 further comprises a cutting cavity 2, a first stepping motor 17 is fixedly connected to the inner wall of the cutting cavity 2, a first stroke screw 16 is fixedly connected to the output end of the first stepping motor 17, a first stroke block 15 is in threaded connection with the outer side of the first stroke screw 16, a clamping cross arm 14 is fixedly connected to one side of the first stroke block 15, servo electric cylinders 13 are arranged on two sides of the bottom of the clamping cross arm 14, movable clamps 12 are fixedly connected to the bottoms of the servo electric cylinders 13, and fixing clamps 11 are fixedly connected to the bottoms of the clamping cross arms 14.

In a preferred embodiment, the number of the clamping cross arms 14 is two, one end of the first stroke screw 16 is fixedly connected with the power output end of a first stepping motor 17, the other end of the first stroke screw 16 is movably connected with the inner wall of the cutting cavity 2, and the first stepping motor 17 provides power for the rotation of the first stroke screw 16.

The specific implementation mode is as follows: according to different specifications of a workpiece to be cut, a first stepping motor 17 drives a first stroke screw rod 16 to rotate, movement of a first stroke block 15 is controlled, a position of a clamping cross arm 14 changes along with the first stroke block 15, a fixed clamp 11 and a movable clamp 12 move along with the clamping cross arm 14, when the fixed clamp 11 and the movable clamp 12 reach proper positions, the movable clamp 12 moves to a position close to the fixed clamp 11 under the action of a servo electric cylinder 13, after the movable clamp 12 and the fixed clamp 11 clamp the workpiece, rotation of the first stepping motor 17 can be controlled according to needs, the position of the first stroke screw rod 16 is further controlled to move, the position of the clamp is adjusted, and therefore secondary adjustment of the position of the workpiece to be cut is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a laser cutting machine with cooling function, includes header (1), its characterized in that: the cutting header is characterized in that a cutting cavity (2) is formed in the cutting header (1), a movable cross arm (5) is arranged in the cutting cavity (2), cooling supports (6) are fixedly connected to the two sides of the bottom of the movable cross arm (5), the inner side of each cooling support (6) is movably connected with one end of a stroke screw rod II (18), the other end of each stroke screw rod II (18) is fixedly connected with a stepping motor II (23), the outer side of each stroke screw rod II (18) is connected with a stroke block II (20) in a threaded manner, a constraint sliding block (21) is arranged on the outer side of each stroke block II (20), the outer side of each constraint sliding block (21) is movably connected with the inner wall of a sliding block slide way (22), a stroke block slide way (19) is formed in the cooling support (6), the outer side of each stroke block II (20) is connected with a cooling cross arm (8), a high-pressure gas channel (3) and a cooling, the top of cooling xarm (8) is provided with atomizing cooling mouth (9) and fore-set (10), the inner wall fixedly connected with step motor (17) of cutting cavity (2), step motor (17) output end fixedly connected with stroke screw rod (16), the outside threaded connection of stroke screw rod (16) has stroke piece (15), one side fixedly connected with centre gripping xarm (14) of stroke piece (15), the both sides of centre gripping xarm (14) bottom are provided with servo electric jar (13), the bottom fixedly connected with activity of servo electric jar (13) presss from both sides (12), the bottom fixedly connected with fixation clamp (11) of centre gripping xarm (14), the outside swing joint that removes xarm (5) has laser emission head (7).

2. The laser cutting machine with the cooling function according to claim 1, characterized in that: the cutting table is characterized in that a laser generator is arranged inside the cutting table (1), a marble base is arranged at the bottom of the cutting table (1), and a top cover is movably connected to the top of the cutting table (1).

3. The laser cutting machine with the cooling function according to claim 1, characterized in that: the inner wall of the cutting cavity (2) is provided with a guide rail sliding groove, the guide rail sliding groove is movably connected with a movable cross arm (5), one side of the movable cross arm (5) is provided with a screw rod guide rail, and the outer side of the screw rod guide rail is in threaded connection with a laser emitting head (7).

4. The laser cutting machine with the cooling function according to claim 1, characterized in that: the high-pressure gas channel (3) and the cooling liquid channel (4) are fixedly connected to the inside of the cooling cross arm (8), and the outer sides of the high-pressure gas channel (3) and the cooling liquid channel (4) are fixedly connected with the bottom of the atomizing cooling nozzle (9).

5. The laser cutting machine with the cooling function according to claim 1, characterized in that: the middle part of the cooling cross arm (8) is provided with a through groove, the number of the atomizing cooling nozzles (9) and the number of the ejection columns (10) are thirty, the atomizing cooling nozzles are divided into two groups of fifteen, and the two groups of the atomizing cooling nozzles are symmetrical about the through groove.

6. The laser cutting machine with the cooling function according to claim 1, characterized in that: the number of the clamping cross arms (14) is two, one end of the first stroke screw rod (16) is fixedly connected with the power output end of the first stepping motor (17), and the other end of the first stroke screw rod (16) is movably connected with the inner wall of the cutting cavity (2).

7. The laser cutting machine with the cooling function according to claim 1, characterized in that: the outer side of the second stroke block (20) is movably connected with the inner wall of the stroke block slide way (19), the inner wall of the stroke block slide way (19) is provided with a slide block slide way (22), and the second stepping motor (23) is fixedly connected to the bottom of the cooling cross arm (8).