CN111266726A - Laser processing head and laser processing equipment - Google Patents
Laser processing head and laser processing equipment Download PDFInfo
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- CN111266726A CN111266726A CN202010229081.8A CN202010229081A CN111266726A CN 111266726 A CN111266726 A CN 111266726A CN 202010229081 A CN202010229081 A CN 202010229081A CN 111266726 A CN111266726 A CN 111266726A
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- mounting groove
- mirror assembly
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- collimating
- lens barrel
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- 230000001681 protective effect Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000003754 machining Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
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- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser processing head and laser processing equipment, and belongs to the technical field of laser processing. The laser processing apparatus includes a laser processing head. The laser processing head comprises a collimation protection mirror assembly, a collimation mirror assembly, a focusing protection mirror assembly and a shell. A through laser beam channel is formed in the shell from one end to the other end, and a first mounting groove, a second mounting groove, a third mounting groove and a fourth mounting groove are formed in the side face of the shell at intervals in sequence along the extending direction of the laser beam channel. The collimating protective mirror assembly is arranged in the first mounting groove, the collimating mirror assembly is arranged in the second mounting groove, the focusing mirror assembly is arranged in the third mounting groove, the focusing protective mirror assembly is arranged in the fourth mounting groove, and the notches of the first mounting groove, the second mounting groove, the third mounting groove and the fourth mounting groove are all blocked. The invention is convenient to assemble and can improve the sealing performance, thereby reducing the damage of the lens caused by dust entering the polluted lens.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a laser processing head and laser processing equipment.
Background
The laser processing head in the existing market mainly comprises a collimating mirror assembly, a focusing mirror assembly, a nozzle and the like, all the assemblies are assembled in a splicing mode, the assembly is complex, in order to guarantee the overall assembly precision, the manufacturing precision of all parts needs to be improved, the assembly requirement is higher, and more time and energy need to be spent during assembly. In addition, the joint sealing effect of each component is poor, and dust and the like are easy to enter the inside of the laser processing head to damage the inner lens.
Disclosure of Invention
The invention aims to provide a laser processing head which can reduce the assembly difficulty and improve the sealing performance.
Another object of the present invention is to provide a laser processing apparatus, which is easy to assemble and has good sealing performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laser processing head comprises a collimation protection mirror assembly, a collimation mirror assembly, a focusing protection mirror assembly and a shell;
a through laser beam channel is formed in the shell from one end to the other end, and a first mounting groove, a second mounting groove, a third mounting groove and a fourth mounting groove are sequentially arranged on the side surface of the shell at intervals along the extending direction of the laser beam channel;
the collimation protection mirror assembly set up in the first mounting groove, collimation mirror assembly set up in the second mounting groove, focus mirror assembly set up in the third mounting groove, focus protection mirror assembly set up in the fourth mounting groove, just first mounting groove the second mounting groove the third mounting groove with the notch of fourth mounting groove is all blocked.
Optionally, the housing is integrally formed.
Optionally, the collimating mirror assembly comprises:
the collimating lens barrel is internally provided with a collimating lens and is arranged in the second mounting groove;
the collimating drawer seat is connected with the collimating lens barrel, and the collimating drawer seat is detachably connected to the notch of the second mounting groove and can block the notch of the second mounting groove;
and the first moving structure can drive the collimating lens barrel to move in the second mounting groove along the axial direction perpendicular to the laser beam channel.
Optionally, the collimating drawer base is connected to the collimating lens barrel through the first moving structure, and the first moving structure includes:
a drive member connected to the collimating drawer seat;
the elastic sheet is arranged at the bottom of the second mounting groove;
when the force is applied to the driving piece, the driving piece can push the collimating lens barrel to the side of the groove bottom of the second mounting groove, and the collimating lens barrel can extrude the elastic sheet to enable the elastic sheet to push the collimating lens barrel to move.
Optionally, a connecting arm is disposed on one side of the collimating drawer seat close to the collimating lens barrel, and the driving member includes:
one end of each of the two ejector blocks is connected with the connecting arm through a rotating shaft, and the other end of each of the two ejector blocks is located on two sides of the collimating lens barrel and can be abutted to the collimating lens barrel;
and each jackscrew corresponds to one ejector block, the second mounting groove penetrates through the collimating drawer seat outwards and inwards and can be abutted against the ejector block so as to drive the ejector block to rotate around the rotating shaft.
Optionally, the laser beam path further includes a second moving structure, the focusing lens assembly includes a focusing lens barrel, a focusing lens is disposed in the focusing lens barrel, and the second moving structure can drive the focusing lens barrel to move along the axial direction of the laser beam path.
Optionally, the second moving structure comprises:
the mounting shell is arranged on one side of the shell and can seal a notch of the third mounting groove;
the transmission part is arranged in the mounting shell and comprises a lead screw, and a nut on the lead screw is connected to the focusing lens cone through a connecting plate;
the power supply, the power supply set up in the installation shell, the power supply can drive the lead screw rotates.
Optionally, the second moving structure further includes a guide member, the guide member is disposed in the third mounting groove, and the guide member is configured to guide the focusing barrel when moving.
Optionally, the system further comprises a water cooling system, wherein the water cooling system comprises:
the water inlet channel is arranged in the shell and sequentially passes through the collimation protection mirror assembly, the collimation mirror assembly and the focusing mirror assembly, and the tail end of the water inlet channel corresponds to the focusing protection mirror assembly;
the water outlet channel is arranged in the shell and sequentially passes through the focusing mirror assembly, the collimating mirror assembly and the collimating protection mirror assembly, and a water inlet of the water outlet channel corresponds to the focusing protection mirror assembly;
wherein, the terminal of water inlet channel with go out the water inlet of water passageway and communicate.
A laser processing device comprises the laser processing head.
The invention has the beneficial effects that:
the invention comprises a collimation protection mirror assembly, a collimation mirror assembly, a focusing protection mirror assembly and a shell, wherein a through laser beam channel is arranged from one end to the other end in the shell, the side surface of the shell is sequentially provided with a first mounting groove, a second mounting groove and a third mounting groove at intervals along the extending direction of the laser beam channel, the collimation protection mirror assembly is arranged in the first mounting groove, the collimation mirror assembly is arranged in the second mounting groove, the focusing mirror assembly is arranged in the third mounting groove, and the focusing mirror assembly is arranged in the fourth mounting groove, thereby avoiding the direct splicing and assembly among the collimation protection mirror assembly, the collimation mirror assembly, the focusing mirror assembly and the focusing protection mirror assembly, facilitating the installation of each assembly, being beneficial to ensuring the assembly precision, and the notches of the first mounting groove, the second mounting groove, the third mounting groove and the, thereby reducing the incidence of dust and lens damage caused by contamination of the lens.
Drawings
Fig. 1 is a schematic perspective view of a laser processing head according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a housing of a laser processing head according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of another view of a housing of a laser processing head according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a collimating mirror assembly of a laser machining head according to an embodiment of the present invention;
FIG. 5 is an exploded view of a collimating mirror assembly of a laser machining head according to an embodiment of the present invention;
fig. 6 is an exploded view of a collimating drawer mount and a jackscrew of a laser machining head according to an embodiment of the present invention;
FIG. 7 is a schematic side view of a laser processing head according to an embodiment of the invention;
FIG. 8 is a schematic cross-sectional view taken along line A-A of FIG. 7;
fig. 9 is a schematic structural view of a second moving structure of a laser processing head and a focusing mirror assembly after a part of a mounting case is removed, according to an embodiment of the present invention.
In the figure:
1. an optical fiber connection assembly; 2. a collimating protective mirror assembly; 3. a collimating mirror assembly; 31. a first moving structure; 311. a spring plate; 312. a drive member; 3121. a top block; 3122. carrying out top thread; 32. a collimating drawer mount; 321. a connecting arm; 3211. a first connecting arm; 3212. a second connecting arm; 33. a collimating lens barrel; 331. plugging and sealing; 4. a housing; 41. a laser beam channel; 42. a first mounting groove; 43. a second mounting groove; 44. a fourth mounting groove; 45. a third mounting groove; 5. a focus protection mirror assembly; 6. a nozzle; 7. a second moving structure; 71. a power source; 72. mounting a shell; 73. a transmission member; 74. a connecting plate; 75. a guide member; 731. a nut; 732. a screw rod; 733. a supporting seat; 8. a focusing mirror assembly; 9. a water cooling system; 91. a water inlet channel; 92. and a water outlet channel.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to fig. 1 to 9.
The present embodiment provides a laser processing apparatus including a laser processing head. As shown in fig. 1 to 3, the laser processing head includes a collimating mirror assembly 2, a collimating mirror assembly 3, a focusing mirror assembly 8, a focusing mirror assembly 5, and a housing 4.
A through laser beam channel 41 is formed from one end to the other end in the housing 4, and a first mounting groove 42, a second mounting groove 43, a third mounting groove 45 and a fourth mounting groove 44 are sequentially arranged on the side surface of the housing 4 at intervals along the extending direction of the laser beam channel 41.
Collimation protection mirror assembly 2 sets up in first mounting groove 42, and collimation mirror assembly 3 sets up in second mounting groove 43, and focusing mirror assembly 8 sets up in third mounting groove 45, and focusing protection mirror assembly 5 sets up in fourth mounting groove 44, and the notch of first mounting groove 42, second mounting groove 43, third mounting groove 45 and fourth mounting groove 44 is all blocked.
Specifically, the end of the housing 4 adjacent to the collimating and protective mirror assembly 2 is connected to the fiber optic connector assembly 1, from which the laser light is incident. The end of the housing 4 adjacent the focus protection mirror assembly 5 is connected to a nozzle 6. The point laser incident through the optical fiber connecting component 1 is converted into a beam of parallel light through the collimating mirror component 3, then the parallel light is converged into point light spots with different focal lengths through the focusing mirror component 8, and laser processing is realized through the nozzle 6 by utilizing the high energy of the point light spots.
The direct concatenation equipment between collimation protection mirror subassembly 2, collimation mirror subassembly 3, focusing mirror subassembly 8, the focusing protection mirror subassembly 5 has been avoided to this embodiment, and the installation of each subassembly of being convenient for is favorable to guaranteeing the assembly precision, and the notch of first mounting groove 42, second mounting groove 43, third mounting groove 45 and fourth mounting groove 44 all is by the shutoff, can improve sealing performance to reduce the lens damage that the dust got into the pollution lens and caused.
As shown in fig. 2 and 3, the housing 4 is integrally formed, so that the number of parts can be reduced, and the assembly difficulty can be reduced, thereby further ensuring the overall assembly precision and being beneficial to the overall sealing performance.
As shown in fig. 4 to 6, the collimating mirror assembly 3 includes a collimating lens barrel 33, a collimating drawer mount 32, and a first moving structure 31. A collimating lens is disposed in the collimating lens barrel 33, and the collimating lens barrel 33 is disposed in the second mounting groove 43. The collimating protective lens assembly 2 comprises collimating protective lenses, and can prevent dust, metal chips and the like from entering the collimating lenses from the outside when the optical fibers are plugged and pulled. The collimating drawer seat 32 is connected to the collimating lens barrel 33, and the collimating drawer seat 32 is detachably connected to the notch of the second mounting groove 43 and can close the notch of the second mounting groove 43. The collimator lens assembly 3 is slidable into the second mounting slot 43 and retractable out of the second mounting slot 43. optionally, the collimator drawer mount 32 is bolted to the housing 4 to facilitate mounting and dismounting of the collimator lens assembly 3. The first moving structure 31 can drive the collimating lens barrel 33 to move in the second mounting groove 43 along the axial direction perpendicular to the laser beam channel 41. The position of the collimating lens barrel 33 in the second mounting groove 43 is adjusted through the first moving structure 31, and the collimating lens barrel 33 can drive the collimating lens to move, so that the coaxiality of the collimating lens can be ensured.
Specifically, the collimating drawer base 32 is connected to the collimating lens barrel 33 through a first moving structure 31, and the first moving structure 31 includes a driving member 312 and a spring piece 311. The drive member 312 is coupled to the collimating drawer mount 32. The elastic piece 311 is disposed at the bottom of the second mounting groove 43. When a force is applied to the driving member 312, the driving member 312 can push the collimator lens barrel 33 toward the bottom side of the second mounting groove 43, and the collimator lens barrel 33 can press the spring piece 311 so that the spring piece 311 pushes the collimator lens barrel 33 to move. It can be understood that the amount of movement of the collimating lens barrel 33 can be controlled by controlling the amount of force applied to the spring piece 311, which is convenient for adjustment.
As shown in fig. 5 and 6, a connecting arm 321 is disposed on a side of the collimating drawer base 32 close to the collimating lens barrel 33, and the driving member 312 includes two top blocks 3121 and two top wires 3122. One end of each of the two top blocks 3121 is connected to the connecting arm 321 through a rotating shaft, and the other end of each of the two top blocks 3121 is located on both sides of the collimating lens barrel 33 and can abut against the collimating lens barrel 33. Each of the top wires 3122 corresponds to one of the top blocks 3121, which penetrates through the collimating drawer base 32 from the outside to the inside through the second installation groove 43 and can be abutted against the top block 3121, so as to drive the top block 3121 to rotate around the rotation axis. Optionally, the connecting arm 321 includes a first connecting arm 3211 and a second connecting arm 3212, a slot is formed between the first connecting arm 3211 and the second connecting arm 3212, and a rotating shaft sequentially penetrates through the first connecting arm 3211, the two top blocks 3121, and the second connecting arm 3212. When the position of the collimating lens barrel 33 needs to be adjusted, when the jackscrew 3122 is rotated, the jackscrew 3122 moves towards the jacking block 3121, the jacking block 3121 can extrude the collimating lens barrel 33, the collimating lens barrel 33 extrudes the elastic sheet 311, under the reaction force of the elastic sheet 311, the collimating lens barrel 33 is pushed to move, the position of the lens barrel is adjusted by matching the two jackscrews 3122, and the adjustment is more convenient.
In order to facilitate the movement of the collimating lens barrel 33 in the second mounting groove 43, grooves are formed in both the upper end surface and the lower end surface of the collimating lens barrel 33, a flooding seal 331 is arranged in each groove, and the flooding seal 331 is in sliding contact with the groove wall of the second groove, so that the flooding seal 331 is convenient to move.
As shown in fig. 7 to 9, the laser beam path device further includes a second moving structure 7, the focusing mirror assembly 8 includes a focusing lens barrel, a focusing lens is disposed in the focusing lens barrel, and the second moving structure 7 can drive the focusing lens barrel to move along the axial direction of the laser beam path 41. The second moving structure 7 drives the focusing lens barrel to move, and the focusing lens barrel can drive the focusing lens to move, so that the up-and-down adjustment of the laser focus can be realized, the laser focus is in a better position, and the laser processing quality can be guaranteed.
Alternatively, the second moving structure 7 includes a mounting case 72, a transmission member 73, and a power source 71. The mounting case 72 is provided on one side of the housing 4 and can close the notch of the third mounting groove 45. The transmission member 73 is disposed in the mounting case 72, the transmission member 73 includes a screw 732, and a nut 731 of the screw 732 is connected to the focus lens barrel through a connecting plate 74. The power source 71 is disposed in the mounting case 72, and the power source 71 can drive the screw 732 to rotate. Alternatively, the power source 71 is a motor, the motor is connected to one end of the lead screw 732 through a coupling, the other end of the lead screw 732 is rotatably connected to the mounting case 72, and one end of the lead screw 732 close to the motor is supported by the support seat 733. The transmission member 73 includes a lead screw 732, and the movement of the focus lens barrel can be more stabilized and the accuracy can be higher by the transmission of the lead screw 732. However, the screw 732 is not intended to limit the present invention, and the transmission member 73 may be in other forms, such as a belt transmission, a rack and pinion transmission, etc. It can be understood that the power source 71 drives the screw 732 to rotate, and the nut 731 on the screw 732 drives the focusing lens barrel to move through the connecting plate 74, thereby achieving the adjustment of the position of the focusing lens.
As shown in fig. 8 and 9, the second moving structure 7 further includes a guide 75, the guide 75 is disposed in the third mounting groove 45, and the guide 75 is used for guiding the focusing barrel when moving. The provision of the guide 75 makes it possible to make the focusing barrel more stable when moving. Alternatively, the guide 75 is a guide rail connected between the inner wall of the third mounting groove 45 and the outer wall of the focus lens barrel so that the focus lens barrel can move along the guide rail. Alternatively, the guide rail may be provided on a side of the focus lens barrel close to the lead screw 732, or the guide rail may be provided on both sides of the focus lens barrel close to the lead screw 732 and far from the lead screw 732, so that the movement of the focus lens barrel is more stable. Optionally, the guide rail is a cross roller guide rail, which makes the focusing lens barrel move more stably.
The focusing protection lens assembly 5 comprises a focusing protection lens, optionally, a protective cover is arranged at a notch of the fourth mounting groove 44, the protective cover can block the notch of the fourth mounting groove 44, a dustproof sponge is attached to one side of the protective cover located in the fourth mounting groove 44, one side of the protective cover is rotatably connected with the casing 4 through a pin, a knob is arranged at the other end of the protective cover, and the knob is spirally connected with the casing 4. When the focusing protective lens needs to be taken out, the protective cover can be opened by rotating the knob, so that the focusing protective lens can be conveniently and quickly installed. The setting of dustproof sponge can improve sealed effect.
In order to prolong the service life of the lens of the invention, the present embodiment further comprises a water cooling system 9, and the water cooling system 9 comprises a water inlet channel 91 and a water outlet channel 92. The water inlet channel 91 is arranged in the shell 4 and sequentially passes through the collimation protection lens assembly 2, the collimation lens assembly 3 and the focusing lens assembly 8, and the tail end of the water inlet channel 91 corresponds to the focusing protection lens assembly 5. The water outlet channel 92 is arranged in the shell 4 and sequentially passes through the focusing mirror assembly 8, the collimating mirror assembly 3 and the collimating protective mirror assembly 2, and a water inlet of the water outlet channel 92 corresponds to the focusing protective mirror assembly 5. Wherein, the end of the water inlet channel 91 is communicated with the water inlet of the water outlet channel 92. Optionally, the water inlet channel 91 is arranged around the collimating protective mirror assembly 2, the collimating mirror assembly 3 and the focusing mirror assembly 8 when passing through the positions, so that the cooling effect can be improved. The shell 4 can be provided with only one water inlet and one water outlet, and is simple and elegant.
The direct concatenation equipment between collimation protection mirror subassembly 2, collimation mirror subassembly 3, focusing mirror subassembly 8, the focusing protection mirror subassembly 5 has been avoided to this embodiment, and the installation of each subassembly of being convenient for is favorable to guaranteeing the assembly precision, and the notch of first mounting groove 42, second mounting groove 43, third mounting groove 45 and fourth mounting groove 44 all is by the shutoff, can improve sealing performance to reduce the lens damage that the dust got into the pollution lens and caused. In addition, the first moving structure 31 can adjust the position of the collimating lens barrel 33, and the coaxiality of the collimating lens is ensured. The second moving structure 7 can adjust the position of the focusing lens barrel, and the focusing lens barrel can drive the focusing lens to move, so that the up-and-down adjustment of the laser focus can be realized, the laser focus is in a better position, and the laser processing quality can be guaranteed.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A laser processing head comprises a collimation protection mirror assembly (2), a collimation mirror assembly (3), a focusing mirror assembly (8) and a focusing protection mirror assembly (5), and is characterized by further comprising a shell (4);
a through laser beam channel (41) is formed in the shell (4) from one end to the other end, and a first mounting groove (42), a second mounting groove (43), a third mounting groove (45) and a fourth mounting groove (44) are sequentially arranged on the side surface of the shell (4) at intervals along the extending direction of the laser beam channel (41);
the collimating lens assembly (2) is disposed in the first mounting groove (42), the collimating lens assembly (3) is disposed in the second mounting groove (43), the focusing lens assembly (8) is disposed in the third mounting groove (45), the focusing lens assembly (5) is disposed in the fourth mounting groove (44), and the notches of the first mounting groove (42), the second mounting groove (43), the third mounting groove (45) and the fourth mounting groove (44) are all blocked.
2. Laser machining head according to claim 1, characterized in that the housing (4) is integrally formed.
3. Laser machining head according to claim 1, characterized in that the collimator-mirror assembly (3) comprises:
the collimating lens barrel (33), a collimating lens is arranged in the collimating lens barrel (33), and the collimating lens barrel (33) is arranged in the second mounting groove (43);
the collimation drawer seat (32), the collimation drawer seat (32) is connected with the collimation lens cone (33), the collimation drawer seat (32) is detachably connected to the notch of the second mounting groove (43) and can seal the notch of the second mounting groove (43);
the first moving structure (31), the first moving structure (31) can drive the collimating lens barrel (33) to move in the second mounting groove (43) along the axial direction perpendicular to the laser beam channel (41).
4. Laser machining head according to claim 3, characterized in that said collimating drawer seat (32) is connected to said collimating lens barrel (33) by means of said first moving structure (31), said first moving structure (31) comprising:
a drive (312), the drive (312) connected to the collimating drawer mount (32);
the elastic sheet (311) is arranged at the bottom of the second mounting groove (43);
when the force is applied to the driving piece (312), the driving piece (312) can push the collimating lens barrel (33) to the side of the groove bottom of the second mounting groove (43), and the collimating lens barrel (33) can press the elastic sheet (311) to enable the elastic sheet (311) to push the collimating lens barrel (33) to move.
5. Laser machining head according to claim 4, characterized in that a side of the collimation drawer base (32) close to the collimation column (33) is provided with a connection arm (321), the drive element (312) comprising:
one end of each of the two top blocks (3121) is connected with the connecting arm (321) through a rotating shaft, and the other end of each of the two top blocks (3121) is located on both sides of the collimating lens barrel (33) and can be abutted against the collimating lens barrel (33);
two top wires (3122), wherein one top block (3121) corresponding to each top wire (3122) penetrates through the collimating drawer seat (32) from the outside to the inside of the second mounting groove (43) and can abut against the top block (3121) so as to drive the top block (3121) to rotate around the rotating shaft.
6. Laser machining head according to claim 1, characterized in that it further comprises a second movement structure (7), the focusing mirror assembly (8) comprising a focusing column in which a focusing lens is arranged, the second movement structure (7) being able to drive the focusing column in movement along the axial direction of the laser beam channel (41).
7. Laser machining head according to claim 6, characterized in that said second movement structure (7) comprises:
the mounting shell (72) is arranged on one side of the shell (4), and can seal a notch of the third mounting groove (45);
the transmission piece (73) is arranged in the mounting shell (72), the transmission piece (73) comprises a screw rod (732), and a nut (731) on the screw rod (732) is connected to the focusing lens barrel through a connecting plate (74);
the power source (71), the power source (71) is arranged in the mounting shell (72), and the power source (71) can drive the screw rod (732) to rotate.
8. Laser machining head according to claim 6, characterized in that said second movement structure (7) further comprises a guide (75), said guide (75) being arranged in said third mounting groove (45), said guide (75) being intended to guide said focusing column when it is moved.
9. Laser machining head according to any one of claims 1 to 8, characterized in that it further comprises a water cooling system (9), said water cooling system (9) comprising:
the water inlet channel (91) is arranged in the shell (4) and sequentially passes through the collimation protective mirror assembly (2), the collimation mirror assembly (3) and the focusing mirror assembly (8), and the tail end of the water inlet channel (91) corresponds to the focusing protective mirror assembly (5);
the water outlet channel (92) is arranged in the shell (4) and sequentially passes through the focusing mirror assembly (8), the collimating mirror assembly (3) and the collimating protective mirror assembly (2), and a water inlet of the water outlet channel (92) corresponds to the focusing protective mirror assembly (5);
wherein, the tail end of the water inlet channel (91) is communicated with the water inlet of the water outlet channel (92).
10. A laser machining apparatus comprising a laser machining head as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229081.8A CN111266726A (en) | 2020-03-27 | 2020-03-27 | Laser processing head and laser processing equipment |
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| CN202010229081.8A CN111266726A (en) | 2020-03-27 | 2020-03-27 | Laser processing head and laser processing equipment |
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| CN111266726A true CN111266726A (en) | 2020-06-12 |
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| CN202010229081.8A Pending CN111266726A (en) | 2020-03-27 | 2020-03-27 | Laser processing head and laser processing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112091451A (en) * | 2020-09-30 | 2020-12-18 | 岗春激光科技（江苏）有限公司 | Laser processing head and laser processing equipment |
| CN113500291A (en) * | 2021-08-13 | 2021-10-15 | 奔腾激光(温州)有限公司 | High-power laser cutting head with three-ten-thousand watt function |
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| WO2019082110A1 (en) * | 2017-10-26 | 2019-05-02 | Salvagnini Italia S.P.A. | Laser cutting head for machine tools |
| CN110508942A (en) * | 2019-09-06 | 2019-11-29 | 岗春激光科技（江苏）有限公司 | Laser cutting head and laser process equipment |
| CN212329998U (en) * | 2020-03-27 | 2021-01-12 | 岗春激光科技（江苏）有限公司 | Laser processing head and laser processing equipment |
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| WO2019082110A1 (en) * | 2017-10-26 | 2019-05-02 | Salvagnini Italia S.P.A. | Laser cutting head for machine tools |
| CN208408924U (en) * | 2018-07-02 | 2019-01-22 | 岗春激光科技（江苏）有限公司 | A kind of laser cutting head |
| CN110508942A (en) * | 2019-09-06 | 2019-11-29 | 岗春激光科技（江苏）有限公司 | Laser cutting head and laser process equipment |
| CN212329998U (en) * | 2020-03-27 | 2021-01-12 | 岗春激光科技（江苏）有限公司 | Laser processing head and laser processing equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112091451A (en) * | 2020-09-30 | 2020-12-18 | 岗春激光科技（江苏）有限公司 | Laser processing head and laser processing equipment |
| WO2022068101A1 (en) * | 2020-09-30 | 2022-04-07 | 岗春激光科技（江苏）有限公司 | Laser processing head and laser processing device |
| CN113500291A (en) * | 2021-08-13 | 2021-10-15 | 奔腾激光(温州)有限公司 | High-power laser cutting head with three-ten-thousand watt function |
| CN113500291B (en) * | 2021-08-13 | 2023-01-10 | 奔腾激光(浙江)股份有限公司 | High-power laser cutting head with three-ten-thousand watt function |
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