CN110508951A - A kind of crash structure and method of laser cutting head - Google Patents
A kind of crash structure and method of laser cutting head Download PDFInfo
- Publication number
- CN110508951A CN110508951A CN201910800866.3A CN201910800866A CN110508951A CN 110508951 A CN110508951 A CN 110508951A CN 201910800866 A CN201910800866 A CN 201910800866A CN 110508951 A CN110508951 A CN 110508951A
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- Prior art keywords
- cutting head
- connecting rod
- laser cutting
- sliding block
- fixedly connected
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 73
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides a kind of crash structures of laser cutting head, it includes cutting head ontology, mounting plate and driving device, cutting head ontology is fixedly connected on a mounting board, mounting plate is slidably connected on the drive means, driving device driving cutting head ontology moves up and down, driving device includes guide rail and driving part, driving part is fixedly connected on guide rail, driving part bottom is provided with connecting rod, one end of connecting rod is rotatably connected to nut seat, the other end of connecting rod is rotatably connected to sliding block, and sliding block is fixedly connected on a mounting board.The present invention also provides a kind of collision-proof methods of laser cutting head simultaneously.Nut seat and sliding block is arranged in the present invention in driving device, and places opposite pole in the opposite magnetic pole of nut seat and sliding block, can control the distance that cutting head ontology moves downward, to achieve the purpose that protect cutting nozzles.
Description
Technical field
The present invention relates to laser cutting fields, in particular to the crash structure and method of a kind of laser cutting head.
Background technique
Optical-fiber laser cutting is the laser beam irradiation workpiece using the high-energy density focused, is being more than swashing for laser threshold
Under the premise of optical energy density, heat effect is chemically reacted caused by energy and active gases the auxiliary cutting process of laser beam
Onto material, the temperature of laser action point is thus caused to rise suddenly, material starts melting or vaporization is formed after reaching molten boiling point
Hole finally forms joint-cutting with the relative motion of light beam and workpiece on material.Laser cutting has following characteristics, first is that swashing
Light cutting is contactless, and no tool wear, joint-cutting is narrow, and heat affected area is small, and cut surface roughness value is small, and cuts parallel degree is good, adds
Work precision is high；Second is that cutting speed is fast, it is easy to accomplish numerical control and computer control, high degree of automation, can cut blind slot or into
Row multiplexing bit manipulation；Third is that noise is low, it is nuisanceless.Laser cutting be in all laser processing industries most important one apply skill
Art, it accounts for entirely laser machining 70% or more of market.For laser cutting compared with other cutting methods, maximum difference is it
Have the characteristics that high speed, high-precision and high-adaptability.Laser cutting has been widely used in automobile, locomotive manufacturing, aviation at present
In the industrial departments such as space flight, chemical industry, light industry, electric appliance and electronics, petroleum and metallurgy.
Optical-fiber laser cutting machine is using optical-fiber laser generator as the laser cutting machine of light source.Pass through numerical controlled machinery system
System mobile spot irradiation position and realize automatic cutting.Wherein important component of the cutting head as laser processing, the interior packet of ontology
Include mirror lens and condenser lens, laser beam passes through laser cutting head body plenum and projects through cutting head, to cutting workpiece into
Row processing.During carrying out cutting processing, since the uneven weighing apparatus of work piece surface may cause the collision of cutting head,
Lead to the damage of cutting head, and then destroy optical mirror slip expensive in cutting head, increases cost to production, cause to waste.
Summary of the invention
In consideration of it, nut seat is arranged in driving device the present invention provides a kind of crash structure of laser cutting head
And sliding block, and opposite pole is placed in the opposite magnetic pole of nut seat and sliding block, it can control what cutting head ontology moved downward
Distance, to achieve the purpose that protect cutting nozzles.
For this purpose, the present invention provides a kind of crash structures of laser cutting head comprising cutting head ontology, mounting plate and
Driving device, cutting head ontology are fixedly connected on a mounting board, and mounting plate is slidably connected on the drive means, driving device driving
Cutting head ontology moves up and down, and driving device includes guide rail and driving part, and driving part is fixedly connected on guide rail, driving portion
Part bottom is provided with connecting rod, and one end of connecting rod is rotatably connected to nut seat, and the other end of connecting rod is rotatably connected to sliding block, and sliding block is solid
Fixed connection is on a mounting board.
Further, above-mentioned guide rail inner wall is fixedly connected with a plurality of connecting rod disposed in parallel, and connecting rod is arranged in connecting rod
Top.
Further, it is provided with backing plate on above-mentioned nut seat, buffer stopper, buffer stopper limitation and backing plate phase are provided in guide rail
It contradicts.
Further, it is placed with the first magnet in above-mentioned nut seat, the second magnet, the first magnet and are placed in sliding block
The opposite magnetic pole of two magnet is opposite pole.
Further, above-mentioned cutting head body bottom portion offers through-hole, and cutting nozzles are removably connected in through-hole, cutting
At least one capacitive sensing device is installed, and capacitive sensing device is down-set on nozzle.
Further, multiple elastic devices are provided between above-mentioned cutting head ontology and mounting plate, elastic device includes solid
Reservation and elastomeric element, fixing seat are fixedly connected on mounting plate is, elastomeric element is fixedly connected in fixing seat.
Further, above-mentioned elastomeric element is spring.
Further, above-mentioned driving part is motor exhaust hood.
Further, above-mentioned connecting rod is ball screw.
The present invention also provides a kind of collision-proof methods of laser cutting head, are characterized in that, comprising:
1) it is first placed with the first magnet in nut seat, the second magnet is placed in sliding block；
2) nut seat and sliding block are connected on connecting rod；
3) when sliding block is close to nut seat, because opposite pole repels each other, the anticollision to cutting head ontology is realized；
4) at least one capacitive sensing device is also installed on cutting nozzles simultaneously, can control the downlink of cutting head ontology
Distance further realizes the anticollision to cutting head ontology.
In a kind of crash structure of laser cutting head provided by the present invention, it is mainly provided with cutting head ontology, installation
Plate and driving device, cutting head ontology are fixedly connected on a mounting board, and mounting plate is slidably connected on the drive means, driving device
Driving cutting head ontology moves up and down, and driving device includes guide rail and driving part, and driving part is fixedly connected on guide rail, drives
Dynamic component bottom is provided with connecting rod, and one end of connecting rod is rotatably connected to nut seat, and the other end of connecting rod is rotatably connected to sliding block, sliding
Block is fixedly connected on a mounting board；
Cutting head at work, is rotated by controls connecting rod, and band movable slider moves up and down, so that on cutting head ontology
Lower movement, because installing the first magnet, the second magnet of sliding block and upper installation in nut seat, and the first magnet and the second magnet are opposite
Magnetic pole can be mutually exclusive when being opposite pole, sliding block and nut seat close to each other, can control what cutting head ontology moved downward
Distance, to achieve the purpose that protect cutting nozzles.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of the crash structure of laser cutting head provided in an embodiment of the present invention；
Fig. 2 is the internal structure of driving device in a kind of crash structure of laser cutting head provided in an embodiment of the present invention
Schematic diagram；
Fig. 3 is the structural representation of cutting head in a kind of crash structure of laser cutting head provided in an embodiment of the present invention
Figure；
Fig. 4 is the structural representation of elastic device in a kind of crash structure of laser cutting head provided in an embodiment of the present invention
Figure.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1 to Fig. 4, a kind of anticollision knot of laser cutting head of the offer of the embodiment of the present invention one is shown in figure
Structure is mainly provided with cutting head ontology 1, mounting plate 2 and driving device 3, and cutting head ontology 1 is fixedly connected on mounting plate 2,
Mounting plate 2 is slidably connected in the driving device 3, and driving device 3 drives cutting head ontology 1 to move up and down, driving device 3
Including guide rail 31 and driving part 32, driving part 32 is fixedly connected on guide rail 31, and 32 bottom of driving part is provided with connecting rod
4, one end of connecting rod 4 is rotatably connected to nut seat 41, and the other end of connecting rod 4 is rotatably connected to sliding block 42, and sliding block 42 is fixedly connected
On mounting plate 2.
Specifically, 31 inner wall of guide rail is fixedly connected with a plurality of connecting rod disposed in parallel 33, connecting rod 4 referring to Fig. 1 to Fig. 4
It is arranged in connecting rod 33,1 bottom of cutting head ontology offers through-hole 11, cutting nozzles 12 are removably connected in through-hole 11,
At least one capacitive sensing device 13 is installed, and capacitive sensing device 13 is down-set on cutting nozzles 12, driving part 32 is electricity
Machine exhaust hood, connecting rod 4 are ball screw.
The present invention provides a kind of crash structure of laser cutting head, be mainly provided with cutting head ontology, mounting plate and
Driving device, cutting head ontology are fixedly connected on a mounting board, and mounting plate is slidably connected on the drive means, driving device driving
Cutting head ontology moves up and down, and driving device includes guide rail and driving part, and driving part is fixedly connected on guide rail, driving portion
Part bottom is provided with connecting rod, and one end of connecting rod is rotatably connected to nut seat, and the other end of connecting rod is rotatably connected to sliding block, and sliding block is solid
Fixed connection is on a mounting board；
Cutting head at work, is rotated by controls connecting rod, and band movable slider moves up and down, so that on cutting head ontology
Lower movement, because installing the first magnet, the second magnet of sliding block and upper installation in nut seat, and the first magnet and the second magnet are opposite
Magnetic pole can be mutually exclusive when being opposite pole, sliding block and nut seat close to each other, can control what cutting head ontology moved downward
Distance to achieve the purpose that protect cutting nozzles, while being equipped with capacitance sensor, the capacitor on cutting head on cutting head
After sensor detects cutting head to the distance of plate surface, signal is fed back to control system, is then controlled by control system
Guide rail motor driven cutting head moves up and down, to control, cutting head is constant at a distance from plate, and effectively matter is cut in guarantee
Amount.
Embodiment two:
Referring to Fig. 1 to Fig. 4, a kind of anticollision knot of laser cutting head provided by Embodiment 2 of the present invention is shown in figure
Structure, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: nut seat
Backing plate 5 is provided on 41, guide rail 31 is provided with buffer stopper 6, and the limitation of buffer stopper 6 is inconsistent with backing plate 5, it can protect nut seat,
When nut seat is hit by external strength, buffer stopper slows down backing plate and moves up, and prevents nut seat from directly contacting motor, from
And achieve the purpose that protect nut seat and motor, reduce loss.
Embodiment three:
Referring to Fig. 1 to Fig. 4, a kind of anticollision knot of laser cutting head of the offer of the embodiment of the present invention three is shown in figure
Structure, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: nut seat
It is placed with the first magnet 411 in 41, the second magnet 421 is placed in sliding block 42, the first magnet 411 and the second magnet 421 are opposite
Magnetic pole be opposite pole, by setting the first magnet and the second magnet, and the first magnet magnetic pole opposite with the second magnet is
Opposite pole can provide a repulsive force, slow down the movement speed of sliding block, when preventing its instantaneous stress excessive, break cutting
Head.
Example IV:
Referring to Fig. 1 to Fig. 4, a kind of anticollision knot of laser cutting head of the offer of the embodiment of the present invention four is shown in figure
Structure, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: cutting head
Elastic device 21 is provided between ontology 1 and mounting plate 2, elastic device 21 includes fixing seat 211 and elastomeric element 212, is fixed
Seat 211 is fixedly connected on mounting plate 2 is, elastomeric element 212 is fixedly connected in fixing seat 211, and elastomeric element 212 is bullet
Spring when can protect cutting head and being hit in the horizontal direction, under the action of the spring, is mitigated by the setting of above structure
Shock dynamics, to achieve the purpose that protect cutting head.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of crash structure of laser cutting head characterized by comprising cutting head ontology (1), mounting plate (2) and drive
Dynamic device (3), the cutting head ontology (1) are fixedly connected on the mounting plate (2), and the mounting plate (2) is slidably connected at
On the driving device (3), the driving device (3) drives the cutting head ontology (1) to move up and down, the driving device
It (3) include guide rail (31) and driving part (32), the driving part (32) is fixedly connected on the guide rail (31), the drive
Dynamic component (32) bottom is provided with connecting rod (4), and one end of the connecting rod (4) is rotatably connected to nut seat (41), the connecting rod (4)
The other end be rotatably connected to sliding block (42), the sliding block (42) is fixedly connected on the mounting plate (2).
2. a kind of crash structure of laser cutting head according to claim 1, which is characterized in that in the guide rail (31)
Wall is fixedly connected with a plurality of connecting rod disposed in parallel (33), and connecting rod (4) setting is above the connecting rod (33).
3. a kind of crash structure of laser cutting head according to claim 1, which is characterized in that the nut seat (41)
On be provided with backing plate (5), the guide rail (31) is provided with buffer stopper (6), the buffer stopper (6) limitation and the backing plate (5) phase
It contradicts.
4. a kind of head crash structure of laser cutting according to claim 1, which is characterized in that the nut seat (41)
It is inside placed with the first magnet (411), is placed with the second magnet (421) in the sliding block (42), first magnet (411) and institute
Stating the opposite magnetic pole of the second magnet (421) is opposite pole.
5. a kind of crash structure of laser cutting head according to claim 1, which is characterized in that the cutting head ontology
(1) bottom offers through-hole (11), is removably connected with cutting nozzles (12) in the through-hole (11), the cutting nozzles (12)
On at least one capacitive sensing device (13) is installed, and the capacitive sensing device (13) is down-set.
6. a kind of crash structure of laser cutting head according to claim 1, which is characterized in that the cutting head ontology
(1) it is provided between the mounting plate (2) multiple elastic devices (21), the elastic device (21) includes fixing seat (211)
With elastomeric element (212), the fixing seat (211) is fixedly connected on the mounting plate (2) is, the elastomeric element (212)
It is fixedly connected on the fixing seat (211).
7. a kind of crash structure of laser cutting head according to claim 6, which is characterized in that the elastomeric element
It (212) is spring.
8. a kind of crash structure of laser cutting head according to claim 1, which is characterized in that the driving part
It (32) is motor exhaust hood.
9. a kind of crash structure of laser cutting head according to claim 1, which is characterized in that the connecting rod (4) is
Ball screw.
10. a kind of collision-proof method of laser cutting head, is characterized in that, comprising:
1) it is first placed with the first magnet (411) in the nut seat (41), is placed with the second magnet in the sliding block (42)
(421)；
2) nut seat (41) and sliding block (42) are connected on the connecting rod (4)；
3) it when sliding block (42) the Xiang Suoshu nut seat (41) is close, because opposite pole repels each other, realizes to cutting head ontology (1)
Anticollision；
4) at least one capacitive sensing device (13) is also installed on the cutting nozzles (12) simultaneously, can control cutting head sheet
The Bottom Runby of body (1), further realizes the anticollision to cutting head ontology (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800866.3A CN110508951A (en) | 2019-08-27 | 2019-08-27 | A kind of crash structure and method of laser cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800866.3A CN110508951A (en) | 2019-08-27 | 2019-08-27 | A kind of crash structure and method of laser cutting head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110508951A true CN110508951A (en) | 2019-11-29 |
Family
ID=68627427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910800866.3A Pending CN110508951A (en) | 2019-08-27 | 2019-08-27 | A kind of crash structure and method of laser cutting head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110508951A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192035A (en) * | 2020-08-30 | 2021-01-08 | 徐东新 | Anti-collision sensing device for profile laser cutting and control method thereof |
| CN112589291A (en) * | 2021-03-02 | 2021-04-02 | 山东华晶玻璃有限公司 | Laser cutting device for aluminum alloy section of freezing display cabinet |
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| CN207681741U (en) * | 2017-11-13 | 2018-08-03 | 安徽奥锐智能科技有限公司 | A kind of anticollision optical laser cutting head |
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-
2019
- 2019-08-27 CN CN201910800866.3A patent/CN110508951A/en active Pending
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| Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192035A (en) * | 2020-08-30 | 2021-01-08 | 徐东新 | Anti-collision sensing device for profile laser cutting and control method thereof |
| CN112589291A (en) * | 2021-03-02 | 2021-04-02 | 山东华晶玻璃有限公司 | Laser cutting device for aluminum alloy section of freezing display cabinet |
| CN112589291B (en) * | 2021-03-02 | 2021-05-18 | 山东华晶玻璃有限公司 | Laser cutting device for aluminum alloy section of freezing display cabinet |
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