CN201164933Y - Cutting head coaxiality apparatus - Google Patents
Cutting head coaxiality apparatus Download PDFInfo
- Publication number
- CN201164933Y CN201164933Y CN 200820092362 CN200820092362U CN201164933Y CN 201164933 Y CN201164933 Y CN 201164933Y CN 200820092362 CN200820092362 CN 200820092362 CN 200820092362 U CN200820092362 U CN 200820092362U CN 201164933 Y CN201164933 Y CN 201164933Y
- Authority
- CN
- China
- Prior art keywords
- cutting head
- mirror chamber
- eyeglass
- laser cutting
- coaxality
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
Disclosed is a cutting head coaxality device used in a laser cutting head, the laser cutting head comprises: a dual-functional lens cavity box, the dual-functional lens cavity box is provided with a lens cavity box part and a lens cavity axle part connected with the lens cavity box part, as well as a lens fixing device and a coaxality device respectively positioned at the lens cavity box part and the lens cavity axle part, and the coaxality device includes: a connecting shaft, a plurality of sliding bearings arranged in the connecting shaft, and a guide ring positioned at the outside of the connecting shaft and in contact with the sliding bearings. The laser cutting head coaxality device of the utility model firstly increases the guide distance through the guide ring and makes the sliding bearings be in contact with the guide ring in the meanwhile to fill and eliminate the radial runout of the cutting head through the sliding bearings, thereby ensuring functions of the cutting head and meanwhile meeting the demand of coaxality of mechanical motion of the cutting head, only the sliding bearings are added in the connecting shaft, so the cutting head coaxality device has a simple structure and can ensure that two axial leads of a light path and an air path are on the same degree when the cutting head is in operation.
Description
[technical field]
The utility model relates to a kind of cutting head alignment device that is used in the laser cutting head.
[background technology]
Laser processing technology be meant adopt high energy laser beam to material or piece surface cut, technical process such as welding, mark, engraving, surface treatment, microfabrication.Wherein laser cutting system is made up of four parts usually at least, that is: laser instrument, leaded light or focusing system, laser cutting head and processing work platform, the design of laser cutting head and the quality of manufacturing are to guaranteeing that obtaining good crudy has very important relation, the identical degree tool of two shaft centre lines in the gentle road of light path played a very important role when particularly laser cutting head alignment device was to the work of assurance cutting head, because cutting head is as Laser Transmission, and be focused into the desired light beam of processing technology, thereby realize cutting processing to workpiece with high power density.
And the axiality of laser cutting head is to locate by the locking cutting ferrule now, and not only processed complex, and alignment is difficult to guarantee.
Therefore, be necessary to design a kind of new alignment device, to overcome above-mentioned defective.
[utility model content]
The technical problems to be solved in the utility model is to provide the cutting head alignment device of the axiality of the mechanical movement of satisfying laser cutting head.
The technical scheme that the utility model adopted is: a kind of cutting head alignment device that is used in the laser cutting head, this laser cutting head comprises: a difunctional mirror chamber box, this difunctional mirror chamber box is provided with a mirror chamber box portion and reaches the mirror chamber axial region that is connected with this mirror chamber box portion, lens fixing apparatus and the alignment device that lays respectively at this mirror chamber box portion and mirror chamber axial region, and described alignment device comprises: a connecting axle, the guide collar of being located at a plurality of sliding bearings in this connecting axle and being positioned at this connecting axle outside and contacting with sliding bearing.
The utility model laser cutting head alignment device, at first increase the guiding distance by guide collar, contact with guide collar with sliding bearing simultaneously, can fill the circular runout of eliminating cutting head by sliding bearing, thereby when guaranteeing the function of cutting head, also satisfy the alignment of the mechanical movement of cutting head, and just in connecting axle, increase sliding bearing, simple in structure, two axial lines in the gentle road of light path are on identical degree when guaranteeing cutting head work.
[description of drawings]
Fig. 1 is the stereogram of the utility model laser cutting head;
Fig. 2 is the three-dimensional exploded view of laser cutting head shown in Figure 1;
Fig. 3 is the three-dimensional exploded view of the lens fixing apparatus of laser cutting head shown in Figure 2;
Fig. 4 is the front view of laser cutting head shown in Figure 1;
Fig. 5 is the cutaway view of laser cutting head shown in Figure 4 in the A-A direction;
Fig. 6 is the cutaway view of laser cutting head shown in Figure 4 in the B-B direction;
Fig. 7 is the connecting axle of laser cutting head shown in Figure 2 and the structural representation of sliding bearing;
Fig. 8 is the structural representation of the guide collar of laser cutting head shown in Figure 2.
[specific embodiment]
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As Fig. 1 to Fig. 5, structural representation for the utility model laser cutting head, this laser cutting head 100 comprises a mirror chamber hold down gag 1 at least, be positioned at the lens fixing apparatus 2 under this mirror chamber hold down gag 1 and be positioned at a depth of focus adjusting device 3 under this lens fixing apparatus 2, accommodate a difunctional mirror chamber box 4 of lens fixing apparatus 2 and a mirror chamber handle 5 that cooperates with this difunctional mirror chamber box 4, wherein, mirror chamber hold down gag 1 is mainly used in and compresses and seal lens fixing apparatus 2, the effect in fixed mirror chamber; The effect of lens fixing apparatus 2 main fixing lens, the outside of this lens fixing apparatus 2 is provided with little mirror chamber 21, be provided with in the inside in this little mirror chamber 21 two set of contact lenses 22,22 '; Depth of focus adjusting device 3 is mainly used in the depth of focus of regulating cutting head, and is provided with alignment device 5 in depth of focus adjusting device 3, and two axial lines in the gentle road of light path were on identical degree when this alignment device 5 mainly was 100 work of assurance laser cutting head; Difunctional mirror chamber box 4 is provided with a mirror chamber box portion 41 of accommodating little mirror chamber 21 and a mirror chamber axial region 42 that is connected with this mirror chamber box portion 41, and the utility model is mainly introduced the structure and the function of alignment device 5 in detail.
See also Fig. 2 and Fig. 3, schematic representation of apparatus for the utility model fixing len, this lens fixing apparatus 2 is used in the laser cutting head 100, comprise: a little mirror chamber 21, be fixed on first in this little mirror chamber 21, the second little mirror chamber 23,23 ', be installed with respectively first, the second little mirror chamber 23,23 ' interior first, second eyeglass 22,22 ', be connected to first respectively, second eyeglass 22,22 ' on first, second adjusts circle 24,24 ', and by first, second adjusts circle 24,24 ' respectively adjust first, second eyeglass 22,22 ' thermal expansion distortion first, second elastic washer 25,25 ', and first, the second little mirror chamber 23,23 ' with corresponding first, second eyeglass 22,22 ' between be equipped with first respectively, the second special type sealing circle 26,26 ', to cooperate and first, second eyeglass 22,22 ' between contact.
Wherein, first eyeglass 22 is 7.5 degree eyeglasses, second eyeglass 22 ' be 5 degree eyeglasses, the spectrum of first, second eyeglass 22,22 ' cooperating reflector laser, and first, second constant 221,221 on first, second eyeglass 22,22 ' be respectively equipped with ' and with this first, second constant 221,221 ' distinguish first, second relative floating surface 222,222 ', wherein constant 221,221 ' be the side that eyeglass protrudes, the spectrum of laser reflects towards the floating surface direction from constant, and enters the workpiece that needs cutting from the floating surface of eyeglass.
During laser cutting, the direction of motion of air-flow is moved from lower to upper, in the time of can be because of the thermal expansion of air-flow and pressurization, change the angle and the sealing of the eyeglass of adjusting, elastic washer 25 of the present utility model, 25 ' be positioned at eyeglass 22,22 ' floating surface 222,222 ' the below, elastic washer 25,25 ' can along with air-flow to the influence of eyeglass and adjust eyeglass 22,22 ' thermal expansion distortion, make eyeglass 22,22 ' fixedly employing weighing apparatus decide benchmark elastic washer 25,25 ' direction be adjusted at the below, just the unsteady direction of eyeglass is consistent with the direction of motion of air-flow, make the burnt angle of the notes of adjusting eyeglass to weigh and fix on a desirable scope, change the angle and the sealing of eyeglass when being difficult for by thermal expansion and pressurization.
As Fig. 2, Fig. 5, Fig. 7 and Fig. 8, described alignment device 5 comprises: a connecting axle 51, be located at a plurality of sliding bearings 52 in this connecting axle 51 and be positioned at the guide collar 53 that this connecting axle 51 is outside and contact with sliding bearing 52, this guide collar 53 can prevent that the connecting axle 51 that seals is subjected to the extruding of mirror chamber axial region 42 and impaired.
The utility model laser cutting head alignment device 5, at first increase the guiding distance by guide collar 53, contact with guide collar 53 with sliding bearing 52 simultaneously, can fill the circular runout of eliminating cutting head by sliding bearing 52, thereby when guaranteeing the function of cutting head, also satisfy the alignment of the mechanical movement of cutting head, and just in connecting axle 51, increase sliding bearing 52; The unsteady direction of the eyeglass 22,22 of lens fixing apparatus 2 ' by elastic washer 25,25 ' assurance eyeglass is consistent with the direction of motion of air-flow again, so eliminate the circular runout of cutting heads again by sliding bearing 52, thus when guaranteeing that cutting head is worked two axial lines in the gentle road of light path on identical degree.
Consult Fig. 3, Fig. 5 and Fig. 6 simultaneously, the connecting axle 51 of alignment device 5 and guide collar 53 are positioned at the inside of depth of focus adjusting device 3, and described depth of focus adjusting device 3 comprises: a pair of of outside that is positioned at the mirror chamber axial region 42 of difunctional mirror chamber box 4 is transferred nut 31; Lay respectively at a two compacting ring 32, a clamp ring 33 and dials 34 of also arranging in regular turn on the nut 31 of transferring, wherein, compacting ring 35 is positioned at mirror chamber box portion 41 downsides of difunctional mirror chamber box 4, and between difunctional mirror chamber box 4 and clamp ring 33, this compacting ring 32 is used for dense block collar 33 and is fixed on this depth of focus adjusting device 3, clamp ring 33 acts on two the accent on the nut 31 by clamp ring 33 between compacting ring 32 and dial 34, regulate the depth of focus of dial 34; At dial 34 and two coupling nut of transferring between the nut 31 35, this coupling nut 35 closely cooperates dial 34 and two the accent between the nut 31; Lock nut 36 between coupling nut 35 and connecting axle 51, this lock nut 36 is positioned at the bottom of depth of focus adjusting device 3, and is used for fastening depth of focus adjusting device 3, prevents that the connecting axle 51 of alignment device 5 is loosening in the inside of depth of focus adjusting device 3.
As Fig. 5 and Fig. 6, because the inside of lens fixing apparatus 2 has two set of contact lenses 21,22, during operation, by rotation lock collar 33, and make clamp ring 33 act on two the accent on the nut 31, make clamp ring 33 drive two nut 31 motions of transferring, thereby this pair transferred nut 31 to drive dial 34 and moves together, and the connecting axle 51 of alignment device 5 is moved downward, promptly regulate the depth of focus of laser cutting head 100, and coexist cutting head of the eyeglass that satisfies plurality of specifications uses, and reaches required adjusting, guaranteed coaxial reliability.
Claims (3)
1. one kind is used for the interior cutting head alignment device of laser cutting head, this laser cutting head comprises: a difunctional mirror chamber box, this difunctional mirror chamber box is provided with a mirror chamber box portion and reaches the mirror chamber axial region that is connected with this mirror chamber box portion, lens fixing apparatus and the alignment device that lays respectively at this mirror chamber box portion and mirror chamber axial region, and it is characterized in that: described alignment device comprises: a connecting axle, the guide collar of being located at a plurality of sliding bearings in this connecting axle and being positioned at this connecting axle outside and contacting with sliding bearing.
2. cutting head alignment device as claimed in claim 1, it is characterized in that: described laser cutting head also is provided with lens fixing apparatus, is provided with at least one eyeglass in this lens fixing apparatus, is connected to the elastic washer that one on this eyeglass adjusted circle and adjusted eyeglass thermal expansion distortion by this adjustment circle.
3. cutting head alignment device as claimed in claim 2 is characterized in that: described eyeglass is provided with one constant and reaches and this a constant relative floating surface, and described elastic washer is connected on the floating surface of eyeglass by adjusting circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820092362 CN201164933Y (en) | 2008-02-29 | 2008-02-29 | Cutting head coaxiality apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820092362 CN201164933Y (en) | 2008-02-29 | 2008-02-29 | Cutting head coaxiality apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201164933Y true CN201164933Y (en) | 2008-12-17 |
Family
ID=40190316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820092362 Expired - Fee Related CN201164933Y (en) | 2008-02-29 | 2008-02-29 | Cutting head coaxiality apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201164933Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039490A (en) * | 2009-10-14 | 2011-05-04 | 上海团结普瑞玛激光设备有限公司 | Automatic focusing double-mirror cavity laser cutting head |
| CN102039491A (en) * | 2009-10-14 | 2011-05-04 | 上海团结普瑞玛激光设备有限公司 | Manually focused laser cutting head with double lens cavities |
-
2008
- 2008-02-29 CN CN 200820092362 patent/CN201164933Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039490A (en) * | 2009-10-14 | 2011-05-04 | 上海团结普瑞玛激光设备有限公司 | Automatic focusing double-mirror cavity laser cutting head |
| CN102039491A (en) * | 2009-10-14 | 2011-05-04 | 上海团结普瑞玛激光设备有限公司 | Manually focused laser cutting head with double lens cavities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20170229 |