CN207267099U - Collimator assembly - Google Patents
Collimator assembly Download PDFInfo
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- CN207267099U CN207267099U CN201720598254.7U CN201720598254U CN207267099U CN 207267099 U CN207267099 U CN 207267099U CN 201720598254 U CN201720598254 U CN 201720598254U CN 207267099 U CN207267099 U CN 207267099U
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- collimation
- lens
- microscope base
- collimator assembly
- slide cartridge
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Abstract
It the utility model is related to a kind of collimator assembly.Collimator assembly includes collimation microscope base, slide cartridge and collimation lens, collimates microscope base, offers the first mounting hole in axial direction, slide cartridge is arranged in the first mounting hole.Slide cartridge can be relative to axial movement of the collimation microscope base along collimation microscope base.The axial direction of slide cartridge is equipped with the second mounting hole, and the second mounting hole is connected with the first mounting hole, and collimation lens are arranged in the second mounting hole, so as to be moved together with slide cartridge.When the distance between collimation lens and light source is less than collimation focal length, the area of the hot spot of workpiece surface can increase, and when the distance between collimation lens and light source is more than collimation focal length, the area of the hot spot of workpiece surface can reduce.Therefore, which can adjust the size of hot spot to meet different welding requirements.The collimator assembly is applied in laser welding head, the production cost of laser welding head can be reduced.
Description
Technical field
Laser welding technology field is the utility model is related to, more particularly to a kind of collimator assembly.
Background technology
With flourishing for laser processing technology, the demand of welding thicker plate material is more and more, and traditional Laser Welding
Connector uses integral structure more, and the size for being formed in the hot spot of workpiece surface is certain value.For different welding requirements (ratios
Such as different welding scopes), it is necessary to different laser welding head is used, so as to considerably increase being produced into for laser welding head
This.
Utility model content
Based on this, it is necessary to for traditional laser welding head production cost it is higher the problem of, there is provided one kind can be adjusted
The collimator assembly of spot size.
A kind of collimator assembly, including：
Microscope base is collimated, the first mounting hole is offered in axial direction；
Slide cartridge, is arranged in first mounting hole, and the slide cartridge can be relative to the microscope base that collimates along the collimation microscope base
Axial movement, the axial direction of the slide cartridge is equipped with the second mounting hole, and second mounting hole is connected with first mounting hole；
And
Collimation lens, in second mounting hole.
In one of the embodiments, cam is further included, the first adjustment hole, institute are offered in the circumferential direction of the collimation microscope base
State the first adjustment hole to connect with first mounting hole, groove is offered in the circumferential direction of the slide cartridge, the groove is right against institute
The first adjustment hole is stated, the cam is arranged in first adjustment hole and the groove, and the cam can be relative to the collimation
Microscope base rotates, and during cam rotation, the cam can drive the slide cartridge relative to the collimation microscope base movement.
In one of the embodiments, the cam includes adjustment portion and the boss arranged on described adjustment portion one end, described
Adjustment portion is arranged in first adjustment hole, and the boss is arranged in the groove, the axis of the adjustment portion and the boss
Axis it is parallel, during cam rotation, the boss can drive the slide cartridge relative to the collimation microscope base movement.
In one of the embodiments, the groove includes the first side wall that is oppositely arranged and second sidewall, and described first
Side wall is axially in parallel to the direction of the second sidewall and the slide cartridge, the first side wall with the second sidewall and institute
The side wall for stating boss abuts.
In one of the embodiments, projection and the end of the adjustment portion of the boss on the end face of the adjustment portion
Face inscribe, and the distance between the axis of the axis of the adjustment portion and the boss is 3mm.
In one of the embodiments, the one end of the adjustment portion away from the boss is equipped with regulating tank.
In one of the embodiments, locking member is further included, the second adjustment hole is offered in the circumferential direction of the collimation microscope base,
Second adjustment hole is connected with first adjustment hole, and annular groove, the annular groove are offered in the circumferential direction of the adjustment portion
Second adjustment hole is right against, the locking member is arranged in second adjustment hole and the annular groove, and can be with the ring
The bottom wall of shape groove abuts.
In one of the embodiments, the number of second adjustment hole is two, is oppositely arranged on the collimation microscope base
On, the number of the locking member is two, and a locking member is arranged in second adjustment hole.
In one of the embodiments, the collimation lens include the first lens, spacer ring and the second lens, and described first
Lens, the spacer ring and second lens are arranged successively along the axial direction of the slide cartridge.
In one of the embodiments, first lens are biconvex lens, and second lens are meniscus lens.
Above-mentioned collimator assembly, collimation lens can with slide cartridge relative to collimation microscope base along collimation microscope base axial movement with by
Close or remote from light source.When the distance between collimation lens and light source is less than collimation focal length, the area of the hot spot of workpiece surface can increase
Greatly, when the distance between collimation lens and light source is more than collimation focal length, the area of the hot spot of workpiece surface can reduce.Therefore, should
Collimator assembly can adjust the size of hot spot to meet different welding requirements.The collimator assembly is applied to laser welding head
In, the production cost of laser welding head can be reduced.
Brief description of the drawings
Fig. 1 is the structure diagram of the laser welding head of an embodiment；
Fig. 2 is the structure diagram of Optical fiber plug；
Fig. 3 be Fig. 1 shown in laser welding head in collimator assembly structure diagram；
Fig. 4 is the sectional view of the collimator assembly shown in Fig. 3；
Fig. 5 be Fig. 3 shown in collimator assembly in cam structure diagram；
Fig. 6 is the front view of the cam shown in Fig. 5；
Fig. 7 is the partial structural diagram of the collimator assembly shown in Fig. 3.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment collimation component is described further.
Please refer to Fig.1 and Fig. 2, the laser welding head 10 of an embodiment include sequentially connected fibre-optical splice 100, collimation
Component 200, reflection subassembly 300, focus pack 400, protection mirror assembly 500 and air blowing component 600, wherein, fibre-optical splice 100 is
QBH connectors, for connecting Optical fiber plug 20, to provide light source for laser welding head 10.Collimator assembly 200 is used to send light source
Divergent beams be changed into collimated light beam, the direction of the launch of collimated light beam is parallel with the axis of laser welding head 10.Reflection subassembly 300
Interior to be equipped with reflecting optics, the angle between the axis of reflecting optics and the axis of laser welding head 10 is 45 °, is set on reflecting optics
Have anti-reflection film, therefore, when collimated light beam is mapped on reflecting optics, only few part can be reflected, collimated light beam it is big
Part can be directed through reflecting optics and be mapped on focus pack 400.Focus pack 400 has the function that optically focused, can gather parallel
Light beam, and form a certain size hot spot in workpiece surface.Protect and protection eyeglass is equipped with mirror assembly 500, main function is to protect
Protect focus pack 400.Air blowing component 600 is except that can protect protection mirror assembly 500, additionally it is possible to ensure the welding effect of workpiece.
It is noted that collimator assembly 200 is detachably connected with fibre-optical splice 100 and reflection subassembly 300 respectively, focus on
Component 400 is detachably connected with reflection subassembly 300 and protection mirror assembly 500 respectively, air blowing component 600 and protection mirror assembly 500
It is detachably connected, that is, fibre-optical splice 100, collimator assembly 200, reflection subassembly 300, focus pack 400, protection mirror assembly 500
And air blowing component 600 is detachable.When a certain component when something goes wrong, can only replace corresponding component, and whole without replacing
A laser welding head 10, not only facilitates, moreover it is possible to save processing cost.Similarly, if desired change collimation focal length, focus on focal length or
Blowing method, can directly replace original component with satisfactory component.
In the present embodiment, laser welding head 10 further includes visual organ 700, and visual organ 700 connects with reflection subassembly 300
Connect, it is seen that light, through protection mirror assembly 500 and focus pack 400, visual organ 700 is reflexed to through reflecting optics by welding region
It is interior, then be imaged on by visual organ 700 on externally connected with display screen, staff can be by observing display screen, to instruct welding to operate.
At work, collimator assembly 200 easily generates heat laser welding head 10 with reflection subassembly 300, in order to cool down collimation group
Part 200 and reflection subassembly 300, laser welding head are also provided with water-cooled block 800, and water-cooled block 800 is equipped with two altogether, a water-cooled block
800 are connected with collimator assembly 200, another water-cooled block 800 is connected with reflection subassembly 300.In other embodiments, water-cooled block
800 can also set three, and the 3rd water-cooled block 800 is used to cool down focus pack 400.Alternatively, water-cooled block can also only be set
One, it is connected with collimator assembly 200, reflection subassembly 300 or focus pack 400, other two component can be set by inside
Water-cooling channel is cooled down.
Traditional laser welding head uses integral structure more, and the size for being formed in the hot spot of workpiece surface is certain value.
When the different plate of welding needs to adjust spot size, it is necessary to replace whole laser welding head.It is not only troublesome, also increase
The production cost of laser welding head is added.And in the present embodiment, laser welding head 10 is except can be by replacing component
Mode changes outside spot size, can also change spot size by way of adjusting collimator assembly 200.
Specifically, please referring to Fig.3 to Fig. 5, collimator assembly 200 includes collimation microscope base 210 and collimation lens 220, collimating mirror
One end of seat 210 is connected with fibre-optical splice 100, and the other end is connected with reflection subassembly 300.Collimate and opened up in the axial direction of microscope base 210
There is the first mounting hole 212, collimation lens 220 are placed in the first mounting hole 212, and can be relative to collimation microscope base 210 along collimating mirror
The axial movement of seat 210 is with closer or far from the Optical fiber plug 20 being connected with fibre-optical splice 100.When collimation lens 220 and optical fiber
When distance between plug 20 is less than collimation focal length, the area of the hot spot of workpiece surface can increase, when collimation lens 220 are inserted with optical fiber
When distance between first 20 is more than collimation focal length, the area of the hot spot of workpiece surface can reduce.Therefore, which can
The size of hot spot is adjusted to meet different welding requirements, reduces the production cost of laser welding head 10.
In the present embodiment, collimation lens 220 include the first lens 222,224 and second lens 226 of spacer ring, first
Lens 222,224 and second lens 226 of spacer ring are arranged successively along the axial direction of collimation microscope base 210.Wherein, the first lens 222 are
Biconvex lens, the second lens 226 are meniscus lens.
Collimator assembly 200 further includes slide cartridge 230, and slide cartridge 230 is arranged in the first mounting hole 212, and slide cartridge 230 can be relative to standard
Axial movement of the straight microscope base 210 along collimation microscope base 210.The axial direction of slide cartridge 230 is equipped with the second mounting hole 232, collimation lens 220
In the second mounting hole 232, so as to axial movement of the slide cartridge 230 along collimation microscope base 210.
Collimator assembly 200 further includes cam 240, collimates and the first adjustment hole 214 is offered in the circumferential direction of microscope base 210, and first
Adjustment hole 214 is connected with the first mounting hole 212.Groove 234 is offered in the circumferential direction of slide cartridge 230, groove 234 is right against the first tune
Knothole 214, cam 240 are arranged in the first adjustment hole 214 and groove 234.Cam 240 can be rotated relative to collimation microscope base 210, and
When cam 240 rotates, cam 240 can drive slide cartridge 230 to be moved relative to collimation microscope base 210, and then drive 220 edge of collimation lens
Collimate the axial movement of microscope base 210.
Specifically, cam 240 includes adjustment portion 242 and the boss 244 arranged on 242 one end of adjustment portion, and adjustment portion 242 is worn
In the first adjustment hole 214, boss 244 is arranged in groove 224, and the axis of adjustment portion 242 is parallel with the axis of boss 244, that is,
Boss 244 deviates from adjustment portion 242.Cam 240 can be rotated relative to collimation microscope base 210, and during the rotation of cam 240, boss 244
Slide cartridge 220 can be driven to be moved relative to collimation microscope base 210.The one end of adjustment portion 242 away from boss 244 is equipped with regulating tank 246, work
Instrument insertion 246 inward turning rotating cam 240 of regulating tank can be utilized by making personnel.
Observation visual angle is shown with Fig. 3, when collimation lens 220 move up, between collimation lens 220 and Optical fiber plug 20
Distance can be less than collimation focal length, the area of the hot spot of workpiece surface can increase；When collimation lens 220 move down, collimation
Distance between eyeglass 220 and Optical fiber plug 20 can be more than collimation focal length, and the area of the hot spot of workpiece surface can reduce.Therefore, revolve
Rotating cam 240, can change position of the collimation lens 220 relative to collimation microscope base 210, so as to change the light of workpiece surface
The size of spot.In this way, the laser welding head equipped with the collimator assembly 200 just disclosure satisfy that a variety of welding requirements, further reduce
The production cost of laser welding head.
Further, as shown in FIG. 6 and 7, groove 234 includes the first side wall 236 and the second sidewall 238 being oppositely arranged,
The first side wall 236 is axially in parallel to the direction of second sidewall 238 and slide cartridge 230, and the first side wall 236 and second sidewall 238 are equal
Abutted with the side wall of boss 244.
Moreover, projection of the boss 244 on the end face of adjustment portion 242 and the end face inscribe of adjustment portion 242, and adjustment portion
Distance between 242 axis and the axis of boss 244 is 3mm.Therefore, when rotating cam 240, collimation lens 220 can be to moving up
Dynamic 0-3mm, can also move down 0-3mm.Certainly, in other embodiments, boss 244 is on the end face of adjustment portion 242
Projection can also only a fraction fall in the end face of adjustment portion 242, and the axis of the axis of adjustment portion 242 and boss 244
Between distance can also be other values, to obtain different adjustable ranges.
Please refer to Fig.3 and Fig. 7, collimator assembly 200 further includes locking member 250, collimates and the is offered in the circumferential direction of microscope base 210
Two adjustment holes 216, the second adjustment hole 216 are connected with the first adjustment hole 214.Annular groove is offered in the circumferential direction of adjustment portion 242
248, annular groove 248 is right against the second adjustment hole 216, and locking member 250 is arranged in the second adjustment hole 216 and annular groove 248, and energy
Abutted with the bottom wall of annular groove 248.
In the present embodiment, the number of the second adjustment hole 216 is two, is oppositely arranged on collimation microscope base 210, locking
The number of part 250 is two, and a locking member 250 is arranged in second adjustment hole 216.Regulating collimation lens 220
Position after, staff can screw locking member 250 by instrument so that two locking members 250 tightly clamp adjustment portion
242, prevent cam 240 from turning round.It is appreciated that in other embodiments, can also only set a locking member 250, lock
Adjustment portion 242 is tightly against on the first adjustment hole 214 inner wall opposite with locking member 250 by part 250.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. collimator assembly, it is characterised in that including：Microscope base is collimated, the first mounting hole is offered in axial direction；Slide cartridge, is arranged in first mounting hole, and the slide cartridge can be relative to axis of the collimation microscope base along the collimation microscope base To movement, the axial direction of the slide cartridge is equipped with the second mounting hole, and second mounting hole is connected with first mounting hole；AndCollimation lens, in second mounting hole.
- 2. collimator assembly according to claim 1, it is characterised in that cam is further included, in the circumferential direction of the collimation microscope base The first adjustment hole is offered, first adjustment hole is connected with first mounting hole, offered in the circumferential direction of the slide cartridge recessed Groove, the groove are right against first adjustment hole, and the cam is arranged in first adjustment hole and the groove, described convex Wheel can be relative to the collimation microscope base rotation, and during cam rotation, the cam can drive the slide cartridge relative to described Collimate microscope base movement.
- 3. collimator assembly according to claim 2, it is characterised in that the cam includes adjustment portion and arranged on the adjusting The boss of portion one end, the adjustment portion are arranged in first adjustment hole, and the boss is arranged in the groove, the adjustment portion Axis it is parallel with the axis of the boss, during cam rotation, the boss can drive the slide cartridge relative to the standard Straight microscope base movement.
- 4. collimator assembly according to claim 3, it is characterised in that the groove include the first side wall that is oppositely arranged and Second sidewall, the first side wall to the direction of the second sidewall is axially in parallel with the slide cartridge, the first side wall with Side wall of the second sidewall with the boss abuts.
- 5. collimator assembly according to claim 3, it is characterised in that throwing of the boss on the end face of the adjustment portion Shadow and the end face inscribe of the adjustment portion, and the distance between the axis of the axis of the adjustment portion and the boss is 3mm.
- 6. collimator assembly according to claim 3, it is characterised in that the one end of the adjustment portion away from the boss is equipped with Regulating tank.
- 7. collimator assembly according to claim 3, it is characterised in that further include locking member, the circumferential direction of the collimation microscope base On offer the second adjustment hole, second adjustment hole is connected with first adjustment hole, opened up in the circumferential direction of the adjustment portion There is an annular groove, the annular groove is right against second adjustment hole, and the locking member is arranged in second adjustment hole and described Annular groove, and can be abutted with the bottom wall of the annular groove.
- 8. collimator assembly according to claim 7, it is characterised in that the number of second adjustment hole is two, relatively It is arranged on the collimation microscope base, the number of the locking member is two, and a locking member is arranged in one described second In adjustment hole.
- 9. collimator assembly according to claim 1, it is characterised in that the collimation lens include the first lens, spacer ring And second lens, first lens, the spacer ring and second lens are arranged successively along the axial direction of the slide cartridge.
- 10. collimator assembly according to claim 9, it is characterised in that first lens are biconvex lens, described second Lens are meniscus lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720598254.7U CN207267099U (en) | 2017-05-25 | 2017-05-25 | Collimator assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720598254.7U CN207267099U (en) | 2017-05-25 | 2017-05-25 | Collimator assembly |
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| Publication Number | Publication Date |
|---|---|
| CN207267099U true CN207267099U (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720598254.7U Active CN207267099U (en) | 2017-05-25 | 2017-05-25 | Collimator assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182533A (en) * | 2021-03-19 | 2021-07-30 | 中国科学院福建物质结构研究所 | Laser heating 3D printing system and control method thereof |
-
2017
- 2017-05-25 CN CN201720598254.7U patent/CN207267099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182533A (en) * | 2021-03-19 | 2021-07-30 | 中国科学院福建物质结构研究所 | Laser heating 3D printing system and control method thereof |
| CN113182533B (en) * | 2021-03-19 | 2023-09-29 | 中国科学院福建物质结构研究所 | Laser heating 3D printing system and control method thereof |
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