A kind of laser focusing device
Technical field
It is the present invention relates to laser technology field, in particular to a kind of with the laser focusing device for preventing collision function.
Background technique
In recent years, with the fast development of laser processing technology, since laser has good directionality, brightness height, monochromaticjty
The features such as good and high-energy density, laser three-D processing technology and Laser Combined Machining Technology are in industrial production, communication, letter
It is used widely in the fields such as breath processing.
During laser technology application, need to remove rapidoprint using optical focusing element, especially some
In the laser process equipments such as laser cutting device, laser drill equipment, laser focusing device is essential.Since laser is poly-
Coke installation is mostly the processing assembly of above-mentioned laser process equipment, there is a situation where maloperation or is broken down in process equipment
Under, laser focusing device is easy to collide with workpiece to be machined, clamping workpiece device and operating platform etc., the collision
Power is also easy to damage laser focusing device, causes to damage so as to cause workpieces processing or other important components.Currently,
A kind of laser focusing device that can prevent collision is not yet provided in existing laser processing technology.
In view of this, it is a kind of being able to solve above-mentioned technical problem it is necessory to provide, for preventing impact force from making to it
At the laser focusing device of destruction.
Summary of the invention
It is an object of the invention to: a kind of laser focusing dress that can prevent external impact power from damaging to it is provided
It sets.
In order to realize the purpose of foregoing invention, the present invention provides a kind of laser focusing devices, have anti-collision, institute
Stating device includes: the lens mount for being equipped with lens, is placed in mounting base lens mount periphery and connect with the lens mount, peace
Transition plates mounted in the mounting base lower end, and the protection glass for being placed in the transition plates lower end and being connected with the transition plates
Seat, in collision of the described device by in-plane, the protection glass seat can be separated with the transition plates.
As a kind of improvement of laser focusing device of the present invention, described device further includes the gas nozzle connecting with protection glass seat
Terminal pad, and the gas nozzle being connected with the gas nozzle terminal pad.
As a kind of improvement of laser focusing device of the present invention, glass is mounted in the protection glass seat.
As a kind of improvement of laser focusing device of the present invention, the transition plates and the protection glass seat pass through positioning pin
Connection, the positioning pin endpoint are spherical surface, and the transition plate surface is equipped with groove, and the spherical surface endpoint is embedded in the groove and makes
The transition plates is connected with the protection glass seat.
As a kind of improvement of laser focusing device of the present invention, the positioning pin and the protection glass seat are connected by screw thread
It connects.
As a kind of improvement of laser focusing device of the present invention, the positioning pin totally 3,120 degree of circumference are uniformly arranged on
On the protection glass seat, the groove is the conical surface, V-type face and plane, so that the positioning pin and the transition plates use
The connection of spherical surface and the conical surface, spherical surface and V-type face and spherical surface and plane.
As a kind of improvement of laser focusing device of the present invention, the transition plates includes matrix annular in shape, the V-type
Face groove runs through described matrix.
As a kind of improvement of laser focusing device of the present invention, protection glass seat upper end is equipped with magnet, the mistake
Cab apron be can magnetic material, the protection glass seat pass through the magnet connect with the protection glass seat.
As a kind of improvement of laser focusing device of the present invention, described device further includes being mounted in the gas nozzle terminal pad
Guide sleeve, gas nozzle is installed on the guide sleeve.
As a kind of improvement of laser focusing device of the present invention, described device further includes the pressure being mounted in gas nozzle terminal pad
Lid, and the more wave compressed springs being arranged between the gland and the guide cylinder.
As a kind of improvement of laser focusing device of the present invention, anti-rotation block is set in the gas nozzle terminal pad, and it is described only
Switch block is arranged below the gland.
As a kind of improvement of laser focusing device of the present invention, three fixed copper contacts are set in the gas nozzle terminal pad,
Three movable copper contacts, work of the fixed copper contact in the pretightning force of more wave pressure springs are correspondingly provided on the guide sleeve
It is connect with lower with the movable copper contact.
As a kind of improvement of laser focusing device of the present invention, the gas nozzle terminal pad is conductor material, the guide sleeve
For non-conductive material, 120 degree of the fixed copper contact and the equal circumference of the movable copper contact are uniformly arranged, and the gas nozzle connects
Quad cable, cable pressing sleeve and cable pressing plate are set on disk, and the core cable in the quad cable and the fixed copper touch
One in point is connected, other three core cables are connected with described three movable copper contacts.
As a kind of improvement of laser focusing device of the present invention, the peripheral circumferential of the protection glass seat is equipped with air inlet,
The air inlet is connected to pneumatic fast plug.
As a kind of improvement of laser focusing device of the present invention, the air inlet and the pneumatic fast plug respectively have three
A, circumferentially 120 degree are uniformly distributed for they.
As a kind of improvement of laser focusing device of the present invention, the gland and the gas nozzle terminal pad pass through third screw
Connection.
Compared with prior art, laser focusing device provided by the invention can prevent from touching in in-plane, Z-direction
Hit the important equipment that power passes to laser focusing device.
Detailed description of the invention
With reference to the accompanying drawings and detailed description, to provided in an embodiment of the present invention a kind of for adjusting optical element position
The device and its advantages set are described in detail.
Fig. 1 is a kind of structural schematic diagram for laser focusing device that an embodiment of the present invention provides.
Fig. 2 be a kind of laser focusing device provided along an embodiment of the present invention shown in FIG. 1 the direction diagram A-A into
The cross-sectional view of row section.
Fig. 3 be a kind of laser focusing device provided along an embodiment of the present invention shown in FIG. 1 the direction diagram B-B into
The cross-sectional view of row section.
Fig. 4 is the connection signal between protection glass seat, gas nozzle terminal pad and gas nozzle that an embodiment of the present invention provides
Figure.
Fig. 5 is the connection schematic diagram between transition plates and mounting base that an embodiment of the present invention provides.
Fig. 6 is the diagram side C-C of gas nozzle terminal pad provided along an embodiment of the present invention shown in Fig. 4 and its connector
To the cross-sectional view for carrying out section.
Fig. 7 is the diagram side D-D of gas nozzle terminal pad provided along an embodiment of the present invention shown in Fig. 4 and its connector
To the cross-sectional view for carrying out section.
Specific embodiment
In order to be more clear the purpose of the present invention, technical solution and its advantageous effects, below in conjunction with attached drawing and tool
Body embodiment, the present invention will be described in further detail.It should be understood that specific embodiment party described in this specification
Formula is not intended to limit the present invention just for the sake of explaining the present invention.
It please refers to Fig.1 to Fig.3, an embodiment of the present invention provides a kind of laser focusing device 100, the focusing device
100 including mounting base 7, and the photoscope 6 connecting with mounting base 7, the lens 9 being mounted on above-mentioned photoscope 6 are placed in mounting base 7
Lower end and the transition plates 5 connecting with mounting base 7, the protection glass seat 4 being connected with transition plates 5 are mounted under protection glass seat 4
End and with the gas nozzle terminal pad 2 that connect of protection glass seat 4, the guide sleeve 21 being connected with gas nozzle terminal pad 2, and with above-mentioned guiding
The gas nozzle 1 that set 21 is connected.
Mounting base 7 is annular in shape comprising our department 70, and from our department 70 to circle ring center's line and lower end clinch outstanding
72。
Lens mount 6 is annular in shape, is concentric loop with above-mentioned mounting base 7, abuts 7 inner wall of mounting base, lower end is located at
On clinch 72, a fixed gap is set inside upper end and mounting base 7, the first pressing ring 8 is placed in above-mentioned gap, with fixed mounting
7 and lens mount 6.Lens 9 are mounted on lens mount 6, and are fixed on lens mount 6 by the second pressing ring 10.
Transition plates 5 is mounted on the lower end of mounting base 7, and it is connected by the first screw 51 with above-mentioned mounting base 7, transition plates
5 be magnetisable material, is equipped with matrix 50 and the extension 52 that extends along matrix 50 towards circle ring center's line, wherein matrix 50 and
Above-mentioned our department 70 is connected, and clinch 72 is overlapped on above-mentioned extension 52.
Protection glass seat 4 is located at 5 lower end of transition plates, cylindrical, and protection glass 12 is located on above-mentioned protection glass seat 4,
And it is compressed by third pressing ring 11.Glass seat 4 is protected to be equipped with 3 perforation, and 120 degree of the perforation circumference is uniformly arranged on protection
On glass seat 4.Positioning pin 3 is mounted in above-mentioned 3 perforation, and it uses with protection glass seat 4 and is threadedly coupled.In addition, protection
Magnet 17 is embedded in glass seat 4, by the magnet, so that protection glass seat 4 connect ground with transition plates 5 made of magnetisable material
More closely.In addition, the peripheral circumferential of protection glass seat 4 is equipped with air inlet (not shown), above-mentioned air inlet is connected to pneumatic fast
Connection-peg, further, above-mentioned air inlet and pneumatic fast plug are respectively set as three, and circumferentially uniform 120 degree of settings, lead to
It crosses and above-mentioned air inlet and pneumatic fast plug is set, the tracheae for being connected with high pressure gas can be accessed wherein, and facilitate plug.
Positioning pin 3 is spherical surface close to one end of transition plates 5, and accordingly, above-mentioned 5 surface of transition plates is equipped with groove, above-mentioned
Groove is respectively the conical surface, V-type face and plane, so that the end face of above-mentioned positioning pin 3 and above-mentioned transition plates 5 are using spherical surface and cone
Face, spherical surface and V-type face and spherical surface are connect with plane, it is preferable that above-mentioned matrix 50 is run through in above-mentioned V-type face.In addition, passing through tune
Whole positioning pin 3, position of the adjustable transition plates 5 with protection glass seat 4 in Z-direction.When the spherical surface and taper-face contact of positioning pin 3
When, protection glass seat 4 is restrained along the one-movement-freedom-degree of X, Y, Z-direction, when 3 spherical surface of positioning pin and V-type face contact, protects glass
Glass seat 4 is restrained around the rotational freedom of Z, Y-axis, and when 3 spherical surface of positioning pin and plane contact, protection glass seat 4 turns around X-axis
Dynamic freedom degree is restrained, and the six-freedom degree of such glass seat is by Complete Bind, and there is no excessive positioning or shortcoming constraints.
Gas nozzle terminal pad 2 is mounted on the lower end of protection glass seat 4, is connected by the second screw 21 with protection glass seat 4.
Guide sleeve 21 is installed, the conical surface of guide sleeve 21 is connected with gas nozzle terminal pad 2, and guide sleeve 21 in above-mentioned gas nozzle terminal pad 2
It is made of non-conductive material, gas nozzle terminal pad 2 is made of conductor material.
2 inner wall upper end of gas nozzle terminal pad is equipped with gland 20, is connected by third screw 200 with gas nozzle terminal pad 2.Pressure
It is provided with more wave compressed springs 22 between lid 20 and guide sleeve 21, and is fixed with movable copper contact 23 on guide sleeve 21, it is above-mentioned
Movable copper contact 23 is 3, and 120 degree of circumference are evenly arranged on guide sleeve 21, accordingly, is equipped in gas nozzle terminal pad 2 solid
Determine copper contact 24, above-mentioned fixed copper contact 24 is 3, and 120 degree of circumference are uniformly arranged in gas nozzle terminal pad 2, and above-mentioned movable
Copper contact 23 is kept in contact under the pretightning force of above-mentioned more wave compressed springs 22 with above-mentioned fixed copper contact 24.
Anti-rotation block 19 is installed in gas nozzle terminal pad 2, which is in " ┎ " shape, it is placed in gas nozzle terminal pad 2, and
One end is towards guide sleeve 21, for preventing guide sleeve 21 from rotating, so that cable be avoided to be pulled off.
Quad cable 14, cable pressing sleeve 16 and cable pressing plate 15 are provided in gas nozzle terminal pad 2, appointing in quad cable 14
Anticipate a core cable in above-mentioned fixed copper contact 24 any one fix copper contact be connected, in addition three core cables respectively with three
Movable copper contact 23 is connected.Above-mentioned cable pressing sleeve 16 is cone, and is divided into two halves, and cable 14 and cable pressing sleeve 16 are successively
It is placed in the bellmouth of gas nozzle terminal pad 2, and is compressed with cable pressing plate 15, to fasten above-mentioned cable.14 other end of cable and control
System processed is connected.
It is equipped with O closed type circle 18 between the upper end and gland 20 of gas nozzle terminal pad 2, is equipped between gland 20 and guide sleeve 21
O closed type circle 25.
21 lower end of guide sleeve is equipped with gas nozzle 1, the V-shaped shape of gas nozzle 1, and is connect by screw thread pair with guide sleeve.Pass through tune
Whole positioning pin 3, such as by adjusting the screw thread on positioning pin 3 and protection glass seat 4, adjustable transition plates 5 and protection glass seat 4
Position in Z-direction may make that protection glass seat 4 is tilted according to demand in Z-direction, so that the corresponding protection of gas nozzle
4 run-off the straight of glass seat or deflection have adapted to the physical location of laser beam to realize the adjustment to 1 outlet port of gas nozzle,
Also avoiding gas nozzle 1, there is a phenomenon where block laser beam.
When a kind of laser focusing device 100 provided in an embodiment of the present invention is by in-plane, such as X or the outside of Y-direction
When component, above-mentioned positioning pin 3 is moved, so that protection glass seat 4 and the component being connected with protection glass seat 4 and transition
Plate 5 separates, and continues to transmit to mounting base 7 so as to avoid external component, to prevent mounting base 7, lens mount 6 and lens 9
It is collided, also reduces the risk that laser focusing device 100 is collided.
When a kind of external component of the gas nozzle 1 of laser focusing device 100 provided in an embodiment of the present invention by Z-direction, on
The pretightning force that guide sleeve 21 will overcome more wave compressed springs 22 is stated, is moved upward, so that guide sleeve 21 and gas nozzle connect
The separation of disk 2 is connect, this is but also the movable copper contact 23 being located on guide sleeve 21 and the fixation copper contact being located in gas nozzle terminal pad 2
24 disconnect, and movable copper contact 23 can produce a switching signal with fixed the separated of copper contact 24, and the signal will be sent to
Apparatus control system, the apparatus control system are that the equipment for applying Z-direction external force to gas nozzle 1 can control to make corresponding movement, such as
Kinematic axis rollback etc. can continue to transmit to mounting base 7 in this way to avoid outer portion power, to prevent mounting base 7, lens mount 6
And lens 9 are collided, and the risk that laser focusing device 100 is collided is also reduced.
Laser focusing device 100 provided in an embodiment of the present invention protects glass seat 4 in the component by in-plane
It is separated with above-mentioned transition plates 5, in the external component in terms of by Z-direction, makes to apply setting for external component by control system
Standby rollback operation, the collision so as to avoid external component on tri- directions X/Y/Z to above-mentioned laser focusing device 100.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.