CN113352006A

CN113352006A - Laser cutting equipment

Info

Publication number: CN113352006A
Application number: CN202110832212.6A
Authority: CN
Inventors: 李凯; 黄金; 郭瑞·弗拉基米尔
Original assignee: Kunshan Huaheng Cutting System Co ltd; Kunshan Huaheng Welding Co Ltd
Current assignee: Kunshan Huaheng Cutting System Co ltd; Kunshan Huaheng Welding Co Ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-09-07

Abstract

The application relates to a laser cutting device, comprising: the workbench comprises a bracket body, and the bracket body is provided with at least one accommodating cavity; the laser cutting mechanism is used for carrying out laser cutting on the target object, is arranged on the workbench and can move relative to the workbench; the guide mechanism is connected with the workbench and used for guiding the moving direction of the laser cutting mechanism; and the air draft mechanism is communicated with the accommodating cavity and is used for pumping the dust gas generated by cutting the target object to the outside of the accommodating cavity. By arranging the guide mechanism, the moving linear precision of the laser cutting mechanism can be ensured in the moving process along the workbench, so that the cutting precision and the yield are improved; through being provided with air draft mechanism, it can produce pressure and remove to the outside with the dirt gas of producing in the cutting process from acceping the chamber to need not the manual work and clear up, convenient and fast more.

Description

Laser cutting equipment

[ technical field ] A method for producing a semiconductor device

The application relates to laser cutting equipment, and belongs to the technical field of laser cutting.

[ background of the invention ]

As a novel thermal cutting technology, laser cutting has the advantages of high cutting speed, high production efficiency, small heat affected zone and the like, has become one of the main cutting modes of metal plates, and along with the popularization of laser equipment in the field of cutting processing, the speed requirement on a laser cutting machine is higher and higher, and the cutting precision requirement is higher and higher. The laser cutting machine is developing toward high speed and high response.

The laser cutting equipment in the prior art generates dust gas in the cutting process, influences the cutting process, causes bad cutting environment, needs manual cleaning and is inconvenient. In addition, the moving precision of the laser cutting equipment is not controlled in the moving process, so that the yield of the cut and formed target object is low.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ summary of the invention ]

An object of this application is to provide a laser cutting equipment, it can carry out the accurate direction to laser cutting mechanism, and sucks in order to clear up, and is more swift convenient to remaining dirt gas after the cutting.

The purpose of the application is realized by the following technical scheme: a laser cutting apparatus comprising:

the workbench comprises a bracket body, and the bracket body is provided with at least one accommodating cavity;

the laser cutting mechanism is used for carrying out laser cutting on a target object, and is arranged on the workbench and can move relative to the workbench;

the guide mechanism is connected with the workbench and used for guiding the moving direction of the laser cutting mechanism; and

and the air draft mechanism is communicated with the accommodating cavity and is used for pumping the dust gas generated by the cutting of the target object to the outside of the accommodating cavity.

In one embodiment, the guide mechanism comprises:

a guide assembly;

the clamping assembly is butted with the bracket body and comprises at least two clamping pieces butted with the bracket body, a clamping space is formed on the at least two clamping pieces, and at least part of the guide assembly is arranged in the clamping space; and

and the adjusting assembly is used for driving the guide assembly to move relative to the bracket body.

In one embodiment, the adjustment assembly includes at least one first adjustment member threadably coupled to the clamp member.

In one embodiment, the adjustment assembly further comprises a locking member coupled to the first adjustment member attachment member, the locking member being disposed on an end side of the first adjustment member adjacent the guide assembly.

In one embodiment, the clamping assembly further comprises a connecting plate connected with the bracket body, and at least two clamping pieces are fixedly connected with the connecting plate;

the adjusting assembly further comprises a second adjusting piece, and the second adjusting piece is used for adjusting the distance between the connecting plate and the support body.

In one embodiment, the air extracting mechanism comprises:

the air draft shell is provided with an air duct, and the air duct is provided with an air port communicated with the accommodating cavity;

the power source assembly is used for enabling dust air to flow to the outside through the air duct;

and the door body assembly is arranged at the air inlet and is used for opening or closing the air inlet.

In one embodiment, the door body assembly comprises a damper and a driving piece for driving the damper to move relative to the air opening so as to open or close the air opening.

In one embodiment, the air door is turned relative to the air port, the driving part is an air cylinder, one end of the air cylinder is rotatably connected with the air door through a connecting part, and the other end of the air cylinder is rotatably connected with the bracket body through a connecting seat.

In one embodiment, the laser cutting mechanism comprises a laser cutting head, a first driving assembly for driving the laser cutting head to move along the length direction of the workbench, a second driving assembly for driving the laser cutting head to move along the width direction of the workbench, and a third driving assembly for driving the laser cutting head to move along the height direction of the workbench.

In one embodiment, the laser cutting mechanism further comprises an angle rotating assembly connected with the laser cutting head and used for driving the laser cutting head to rotate.

Compared with the prior art, the method has the following beneficial effects: by arranging the guide mechanism, the moving linear precision of the laser cutting mechanism can be ensured in the moving process along the workbench, so that the cutting precision and the yield are improved; through being provided with air draft mechanism, it can produce pressure and remove to the outside with the dirt gas of producing in the cutting process from acceping the chamber to need not the manual work and clear up, optimize the cutting environment, convenient and fast more.

[ description of the drawings ]

Fig. 1 is a schematic structural view of the laser cutting apparatus of the present application.

Fig. 2 is a schematic structural view of the stent body in fig. 1.

Fig. 3 is a schematic structural diagram of the second driving assembly and the third driving assembly in fig. 1.

Fig. 4 is a partial schematic view of fig. 3.

Fig. 5 is a schematic structural diagram of the first driving assembly in fig. 1.

Fig. 6 is another structural schematic view of the stent body in fig. 1.

Fig. 7 is a partial schematic view of fig. 6.

Fig. 8 is a schematic view of the adjustment assembly of fig. 6.

Fig. 9 is a schematic view of the air extracting mechanism in fig. 1.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 9, in a preferred embodiment of the present application, a laser cutting apparatus 100 heats a workpiece with a high energy density laser beam to rapidly increase the temperature, so that the material reaches the boiling point in a very short time and begins to vaporize to form vapor. The steam is sprayed out at a high speed, and cuts are formed on the material while the steam is sprayed out, so that the purpose of cutting is achieved. The laser cutting equipment 100 is adopted to carry out laser cutting on the target object, so that the target object finally forms a target pattern, and the method is convenient and fast. The target object can be a metal piece, a plate or a cross beam, and the material of the target object can be stainless steel and the like, and the specific limitation is not needed, and the target object is determined according to the actual situation.

The laser cutting equipment 100 comprises a workbench 1, a laser cutting mechanism 2 which is arranged on the workbench 1 and can move relative to the workbench 1, a guide mechanism 3 which is connected with the workbench 1 and used for guiding the moving direction of the laser cutting mechanism 2, and an air draft mechanism 4, wherein the workbench 1 comprises a support body 11 with at least one accommodating cavity 111, and the air draft mechanism 4 is communicated with the support body 11 and used for moving dust and gas in the accommodating cavity 111 to the outside of the accommodating cavity 111. As the name implies, the accommodating chamber 111 is used for collecting the object, and the dust gas is generated in the laser cutting process of the material to be processed. In the embodiment, the number of the receiving cavities 111 is set according to the width of the material to be processed or the length of the rack body 11, and is not particularly limited herein and is determined according to the actual situation.

Referring to fig. 1 to 5, the laser cutting mechanism 2 includes a laser cutting head 21, a first driving assembly 22 for driving the laser cutting head 21 to move along the length direction of the worktable 1, a second driving assembly 23 for driving the laser cutting head 21 to move along the width direction of the worktable 1, and a third driving assembly 24 for driving the laser cutting head 21 to move along the height direction of the worktable 1. In this embodiment, the laser cutting head 21 is a conventional laser cutting head 21 sold in the market, and the description thereof is omitted here.

The first driving assembly 22 includes a first motor 221 slidably engaged with the guiding mechanism 3, and a first gear connected to an output shaft of the first motor 221, and the first gear is engaged with the rack 313 of the guiding mechanism 3 to realize movement. The first driving assembly 22 further includes a base 222 for accommodating the first motor 221 and a portion of the first gear, and the base 222 is connected to the longitudinal driving beam 231 of the second driving assembly 23, so as to shield the first motor 221 and a portion of the first gear, thereby improving the overall appearance and preventing safety accidents.

The second driving assembly 23 includes a longitudinal driving beam 231 connected with the base 222 and having a tooth surface, a second gear engaged with the tooth surface of the longitudinal driving beam 231, and a second motor 232 connected with the second gear and configured to drive the second gear to rotate, the second motor 232 driving the second gear to rotate and then engaged with the tooth surface of the longitudinal driving beam 231 to move. The longitudinal driving beam 231 is provided in the width direction of the table 1, thereby achieving the longitudinal movement of driving the laser cutting head 21. Similarly, the second drive assembly 23 further comprises a housing 233, the second motor 232 being disposed within the housing 233, and the second gear at least partially protruding out of the housing 233 to be disposed in engagement with the longitudinal drive beam 231.

The second driving assembly 23 further comprises a slide carriage slidably connected with the longitudinal driving beam 231, the third driving assembly 24 comprises a lifting rack connected with the slide carriage and a linear motor 241 connected with the lifting rack, and the linear motor 241 is connected with the laser cutting head 21 to drive the laser cutting head 21 to move in the height direction of the worktable 1.

The laser cutting mechanism 2 further comprises an angle rotating assembly connected with the laser cutting head 21 and used for driving the laser cutting head 21 to rotate. The angle rotation assembly may be a rotating shaft, i.e. the laser cutting head 21 is connected with the housing 233 through the rotating shaft, thereby achieving the adjustment of the angle. Indeed, in other embodiments, the angular rotation component may be other, and is not limited herein, according to the actual situation.

Referring to fig. 6 to 8, in order to ensure the cutting accuracy of the laser cutting apparatus 100, the linear accuracy of the cutting mechanism moving along the cutting platform needs to be ensured, so in the present application, the laser cutting apparatus 100 further includes a guide mechanism 3 for guiding the moving direction of the cutting mechanism, and the guide mechanism 3 is disposed on two sides of the bracket body 11.

In the prior art, the guide mechanism 3 generally comprises a linear guide 312 and a driving gear, and the position of the linear guide is not well adjusted after the linear guide is fixed with the bracket body 11. Therefore, when the guide mechanism 3 is installed, the straightness of the guide mechanism 3 needs to be ensured to prevent adverse effects from being caused in the subsequent cutting process and further prevent the cutting quality from being affected. Therefore, the difficulty of mounting the guide mechanism 3 is greatly increased.

Different from the prior art, when guiding mechanism 3 in this application is installed on support body 11 under the direction of laser level appearance, guiding mechanism 3's direction subassembly 31 can carry out the fine-tuning to reduce the degree of difficulty of installation.

Specifically, the guiding mechanism 3 in the present application includes a guiding component 31, a clamping component 33, and an adjusting component 32 for driving the guiding component 31 to perform fine adjustment, the clamping component 33 forms a clamping space, and at least a portion of the guiding component 31 is clamped in the accommodating space.

In order to ensure the straightness of the guide mechanism 3, the guide assembly 31 includes an aluminum profile cross beam 311 at least partially disposed in the accommodating space, and a linear guide 312 connected to the aluminum profile cross beam 311 and abutting against the cutting mechanism of the cutting platform. The aluminum profile cross beam 311 has excellent straightness, and when being installed, the linear guide rail 312 is only required to be attached to the end side of the aluminum profile cross beam 311, so that the installation difficulty is reduced. At the same time, the cutting mechanism may move along the linear guide 312.

To facilitate the connection of the guide assembly 31 to the cutting mechanism so that the cutting mechanism can move along the guide assembly 31, the guide assembly 31 further includes a rack 313 connected to the aluminum profile beam 311, and a driving member 432 engaged with the rack 313. In this embodiment, the driving member 432 is a driving gear engaged with the rack 313, the driving gear is a first gear of the first driving assembly 22, and the driving gear moves along the rack 313 under the driving of the driving motor. Correspondingly, the length of the rack 313 is equal to that of the aluminum profile beam 311, and the rack 313 is attached to the end face of the aluminum profile beam 311 to further ensure the straightness of the guide assembly 31.

The clamping assembly 33 is used to fix the guiding assembly 31 and connect with the cutting platform. The clamping assembly 33 includes at least two clamping pieces 331 interfacing with the cutting platform, the at least two clamping pieces 331 forming a clamping space, the guide assembly 31 being disposed in the clamping space. In this embodiment, two clamping members 331 are provided, and indeed, in other embodiments, the number of the clamping members 331 may also be other, for example, three, four, etc., which is not specifically limited herein, depending on the actual situation. The adjusting assembly 32 is used for driving the guide assembly 31 to move relative to the cutting platform, and then fine adjustment of the position of the guide assembly 31 is achieved.

In one embodiment, the adjustment assembly 32 includes at least one first adjustment member 321, and the at least one first adjustment member 321 is threadably coupled to the clamp member 331. In this embodiment, the first adjusting member 321 is a bolt. All be provided with first regulating part 321 on two holders 331, the number of first regulating part 321 sets up in a plurality of, and evenly distributed to it is even to make aluminium alloy crossbeam 311 can the atress.

In order to ensure that the positions of the aluminum profile cross beam 311, the linear guide rail 312 and the rack 313 after the linear precision adjustment are kept fixed, the adjusting assembly 32 further comprises a locking member 322 connected with the first adjusting member 321, and the locking member 322 is arranged at the end side of the first adjusting member 321 close to the guide assembly 31. In this embodiment, the material of the locking member 322 is a rigid material, such as stainless steel, however, in other embodiments, the material of the anti-slip member 322 may also be iron, etc., which is not particularly limited herein, depending on the actual situation.

The clamping assembly 33 further comprises a connecting plate 332 connected to the cutting platform, and at least two clamping members 331 are fixedly connected to the connecting plate 332. And, in order to further ensure the straightness of the guide assembly 31, the adjusting assembly 32 further includes a second adjusting member 323, and the second adjusting member 323 is used for adjusting the distance between the connecting plate 332 and the cutting platform, so that the distance between the guide assembly 31 and the cutting platform is equal everywhere. As above, the second adjusting member 323 is also a bolt.

In another embodiment, the adjusting assembly 32 comprises at least one first adjusting member 321, and the at least one first adjusting member 321 is fixedly connected to the clamping member 331 and can move in the height direction relative to the cutting platform. In this embodiment, only the first adjustor 321 is provided, and only one first adjustor 321 may be provided, and the first adjustor 321 is connected with only one clamping member 331. At this time, the clamping space formed by the two clamping members 331 is fixed, at least a portion of the aluminum profile beam 311 is clamped with the clamping space, and both the two clamping members 331 can move in the height direction relative to the cutting platform. When the first adjusting member 321 drives one of the clamping members 331 to move, the other clamping member 331 moves together with the first adjusting member 331, thereby adjusting the position of the guide assembly 31. Wherein, the first adjusting member 321 is a cylinder or a linear motor 241.

Referring to fig. 9, in order to collect the target object conveniently, the air draft mechanism 4 further includes a material collecting member 41 disposed in the accommodating cavity 111, and the material collecting member 41 is used for collecting the target object in the accommodating cavity 111, so as to conveniently perform centralized processing on the target object. In the present embodiment, the object is a scrap or the like generated during cutting. Through being provided with the collecting part 41, this collecting part 41 collects the target object, and after the cutting work was accomplished, direct pull out collecting part 41 from accepting chamber 111 can realize the clearance of target object, convenient and fast. The material collecting part 41 is also provided with a travelling wheel arranged at the bottom and handles connected to two sides, and external force is applied to the handles to drag the material collecting part 41, so that the material collecting part 41 can be moved out of the accommodating cavity 111, and the material collecting part 41 is convenient to maintain and replace.

In order to discharge the dust and air in the cutting process out of the accommodating cavity 111, the air draft mechanism 4 includes an air draft housing 42 formed with an air duct, and a power source assembly for making the target object in the accommodating cavity 111 flow to the outside through the air duct.

The air draft housing 42 is further provided with an air opening 421 for communicating the air duct and the accommodating cavity 111, and under the driving of an external power source assembly, a positive pressure air flow opposite to the outside of the accommodating cavity 111 is formed in the accommodating cavity 111, so that dust and air generated in the cutting process flows into the air duct through the air opening 421 along with the positive pressure air flow and is then discharged to the outside through the air duct.

In this embodiment, the power source assembly is an exhaust fan, and indeed, in other embodiments, it may also be an air pump, etc., and other power source assemblies are selected according to actual situations, which are not specifically limited herein.

The ventilation mechanism 4 further includes a door assembly 43 disposed at the air opening 421 for opening or closing the air opening 421. Through being provided with door body group spare 43 to make the target object in the collecting part 41 reach the target value after the rethread power supply module flow to the outside, with practice thrift manufacturing cost and improvement dust collection efficiency.

Specifically, the door assembly 43 includes a damper 431 and a driving member 432 for driving the damper 431 to move relative to the tuyere 421 so as to open or close the tuyere 421. The air door 431 is arranged at the air port 421, and one end of the air door 431 is rotatably connected with the air duct and can be overturned and moved relative to the air port 421 under the action of the driving piece 432. Wherein, driving piece 432 is connected through connecting piece 433 with air door 431, and the one end and the connecting piece 433 of driving piece 432 rotate to be connected, and the other end of driving piece 432 rotates through a connecting seat and support body 11 to be connected. When the door body assembly 43 is opened, the driving member 432 extends to drive the connecting member 433 to rotate and move in a direction away from the air outlet 421, and since the air door 431 is connected with the connecting member 433, the connecting member 433 also drives the air door 431 to turn and move relative to the air duct in a direction away from the air outlet 421, so as to complete the opening or closing of the air outlet 421. Indeed, in other embodiments, the damper 431 may not be rotatably connected to the air duct, for example, the damper 431 may be separately provided from the air duct, in which case, the driving part 432 for driving the damper 431 is vertically connected to the damper 431, and when the door body assembly 43 operates, the driving part 432 drives the damper 431 to move away from the air duct and in a direction away from the air opening 421, so as to complete the opening or closing of the air opening 421.

In this embodiment, the driving member 432 is an air cylinder, and the connecting member 433 is a connecting rod, but in other embodiments, the driving member 432 may also be a motor, a hydraulic cylinder, or the like according to actual situations, as long as the requirement of opening or closing the driving damper 431 can be met, and the requirement is not specifically limited herein

In order to guide the dust and the soot generated during the processing of the material to be processed to fall into the receiving cavity 111, the air draft mechanism 4 further includes a guide 44 disposed above the receiving cavity 111. The guide 44 is connected to the bracket body 11, and is inclined from top to bottom from an end close to the damper 431 to an end far from the damper 431 in the height direction of the bracket body 11. The guiding member 44 is used for guiding the dust generated during processing the material to be processed into the receiving cavity 111. A stopper rod connected to the stand body 11 is further provided under the guide 44, and the stopper rod limits and supports the guide 44.

The ventilation casing 42 further comprises a baffle 45 arranged above the air duct, two ends of the baffle 45 are respectively connected to the support body 11 and the air duct, and the baffle is arranged in a manner that the baffle is inclined from top to bottom from one end close to the support body 11 to the end far away from the support body 11 in the height direction of the support body 11. The driving member 432 is connected to the damper 431 through the baffle 45, and the baffle 45 can prevent the object from moving out of the air duct when the damper 431 is opened, which causes difficulty in cleaning.

In this embodiment, the air duct may shake due to the influence of the air flow during operation, in order to make the operation of the air duct more stable, a T-shaped base 222 is disposed below the air duct, the air duct is connected to the T-shaped base 222 by riveting, and supports are further disposed on two sides of the air duct, so that the connection between the air duct and the T-shaped base 222 is firmer.

In summary, the following steps: by arranging the guide mechanism 3, the moving linear precision of the laser cutting mechanism 2 can be ensured in the moving process along the workbench 1, so that the cutting precision and the yield are improved; through being provided with air draft mechanism 4, it can produce pressure and remove to the outside from acceping chamber 111 with the dirt gas that produces in the cutting process, optimizes the cutting environment to need not the manual work and clear up, convenient and fast more.

The above is only one specific embodiment of the present application, and any other modifications based on the concept of the present application are considered as the protection scope of the present application.

Claims

1. A laser cutting apparatus, comprising:

2. The laser cutting apparatus of claim 1, wherein the guide mechanism comprises:

a guide assembly;

3. The laser cutting apparatus of claim 2 wherein the adjustment assembly includes at least one first adjustment member, at least one of the first adjustment members being threadably connected to the clamp member.

4. The guide mechanism of claim 3, wherein the adjustment assembly further comprises a locking member coupled to the first adjustment member coupling member, the locking member being disposed on an end side of the first adjustment member adjacent the guide assembly.

5. The guide mechanism of claim 2, wherein the clamp assembly further comprises a connecting plate connected to the bracket body, at least two of the clamps being fixedly connected to the connecting plate;

6. The laser cutting apparatus of claim 1, wherein the air-extracting mechanism comprises:

7. The laser cutting apparatus according to claim 6, wherein the door assembly includes a damper and a driving member that drives the damper to move relative to the tuyere to open or close the tuyere.

8. The laser cutting device as claimed in claim 7, wherein the damper is turned with respect to the air port, the driving member is a cylinder, one end of the cylinder is rotatably connected to the damper through a connecting member, and the other end of the cylinder is rotatably connected to the holder body through a connecting seat.

9. The laser cutting apparatus of claim 1, wherein the laser cutting mechanism includes a laser cutting head, a first driving assembly to drive the laser cutting head to move in a length direction of the table, a second driving assembly to drive the laser cutting head to move in a width direction of the table, and a third driving assembly to drive the laser cutting head to move in a height direction of the table.

10. The laser cutting apparatus of claim 9, wherein the laser cutting mechanism further comprises an angular swivel assembly coupled to the laser cutting head for driving rotation of the laser cutting head.