CN204934857U - The permanent light path conveyer of cutting machine - Google Patents
The permanent light path conveyer of cutting machine Download PDFInfo
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- CN204934857U CN204934857U CN201520493490.3U CN201520493490U CN204934857U CN 204934857 U CN204934857 U CN 204934857U CN 201520493490 U CN201520493490 U CN 201520493490U CN 204934857 U CN204934857 U CN 204934857U
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- leading screw
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- reflective mirror
- light path
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Abstract
The utility model discloses the permanent light path conveyer of a kind of cutting machine, solve the problem of the permanent optic path in cutting machine, its drip irrigation device is: rotational motion is transferred to one-level leading screw by motor, rotation is sent to secondary leading screw by synchronous belt transmission device by one-level leading screw, laser head assembly is threadedly connected on one-level leading screw, second compensation arrangement is threadedly connected on secondary leading screw by sliding bottom, laser beam spreads out of from generating device of laser, finally transfer on laser head assembly through three compensation arrangements, by the laser beam after compensating, workpiece is cut, because synchronization accuracy is ensured by leading screw, thus the transmission light path constant return of the laser of device is fine, reach the effect of high-precision laser cutting.
Description
Technical field
The utility model belongs to laser cutting machine field, and more particularly, it relates to the permanent light path conveyer of a kind of cutting machine.
Background technology
It is good that laser has the depth of parallelism, energy high, is usually applied to cutting processing field at present.Laser cutting machine is in the process of cutting object, the difference of cutting focal position can cause different cutting speeds, in order to ensure stable cut quality, first to ensure to cut the constant of focal position, and in practical application, this change of cutting focus is mainly caused by light beam dispersing in communication process, thus, permanent light path is the change utilizing compensation arrangement to control optical path length, reduce dispersing of laser beam, that is, ensure in laser cutting process, cutting head is consistent to the propagation light path of the laser of laser head, derived by geometrical relationship known, keep cutting head constant to the optical path length of laser head, need to keep the displacement of cutting head to be the twice of compensation arrangement displacement.
In prior art, solve the problem of permanent light path, mainly ensure that the synchronization accuracy of the structure reflective mirror that permanent light path is arranged is to realize the constant of the length of light path, and then improve the cut quality of laser cutting.The applying date be 2014 01 month No. 08, application number be 201410007580 patent of invention (hereinafter referred to as documents 1) disclose the permanent light path conveyer of a kind of engraving machine, described train of reduction gears comprises the rotating shaft that the two ends be located on base pass the vertical setting of base top and bottom respectively, the rotating shaft passing base top is provided with the first gear, the rotating shaft passing base bottom is provided with the second gear; Above base, an annular driving band is provided with along crossbeam length direction, annular driving band is sleeved on two synchromesh gears at crossbeam two ends and the first gear of base top, and be all connected with a joggle with two synchromesh gears and the first gear, annular driving band and the laser head assembly of the side relative with the first gear are connected; Below base, be provided with a straight line driving-belt along crossbeam length direction, the two ends of Linear transmission band are separately fixed on crossbeam, are connected inside Linear transmission band with the second gears meshing.The transmission range it achieving laser engraving machine full width face light path is consistent, can carry out the processing of full width face, ensure that product quality, save raw material, reduce production cost the workpiece of high-precision requirement.
In documents 1, what adopt is the consistent length of the method maintenance full width face light path of toothed belt transmission thus controls cut quality, but, what toothed belt transmission adopted is the form transmission of similar rack-and-pinion, thus the buffering of transmission, shock-absorbing effect are poor than general flat rubber belting, and, the transmission efficiency of Timing Belt is low, transmission accuracy is not high, and the life-span of Timing Belt itself is lower, need often to change Timing Belt, thus, adopt and enter permanent light path control in this way, precision is difficult to the requirement meeting precise laser cutting.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the permanent light path conveyer of the problem providing the permanent optic path solved in cutting machine.
For achieving the above object, the utility model provides following technical scheme: the permanent light path conveyer of a kind of cutting machine, comprise cutting machine body, be arranged at the laser head assembly on described cutting machine body and laser generator, described cutting machine body is also provided with one-level leading screw and secondary leading screw, described laser head assembly is slidably connected on described one-level leading screw, a transmission component is provided with between described one-level leading screw and described secondary leading screw, described in the first optical path compensation device that on described secondary leading screw, the laser transfer slidably connected for being produced by laser generator enters in laser head assembly, one-level leading screw is circumscribed with drive source.
By adopting technique scheme, first, described one-level leading screw is connected with drive source, by the rotary motion transmission of drive source to described one-level leading screw, simultaneously, the rotary motion of self transfers in described transmission component by described and leading screw simultaneously, this motion is passed to described secondary leading screw by described transmission component again, like this, by the regulating action of the gearratio of described transmission component, described one-level leading screw and the drive connection of secondary leading screw can be ensured, and then keep between the laser head assembly described in permanent light path and described laser generator optical path length constant, relation is transmitted by such motion, the kinematic accuracy of two-stage lead screw transmission can ensure the constant of laser optical path length, this constant precision can adopt the precision of toothed belt transmission higher than secondary of the prior art, and, because the rigidity of structure of leading screw is large, thus, secondary leading screw described in secondary transmission adopts, toothed belt transmission mode compared to prior art, the longer service life of described secondary leading screw.
The utility model is set to further: described transmission component adopts synchronous belt transmission device, is provided with the contact roller of the synchronous belt transmission device described in compression between described one-level leading screw and secondary leading screw.
By adopting technique scheme, described contact roller can improve the tensile force of described Timing Belt, thus the transmission efficiency of synchronous belt transmission device described in increasing, prevent the skidding of described Timing Belt, improve the transmission service life of Timing Belt.
The utility model is set to further: described one-level leading screw and secondary leading screw are ball-screw.
By adopting technique scheme, described ball-screw is very high due to structure precision itself, can improve described one-level leading screw and the transmission accuracy of secondary leading screw further, and then the overall precision of cutting machine perseverance light path conveyer described in ensureing.
The utility model is set to further: be also provided with the second optical path compensation device between described laser generator and the first described optical path compensation device, the second described optical path compensation device includes the first reflective mirror and the second reflective mirror that two minute surfaces at right angles arrange, the first described reflective mirror is to described laser generator, between the minute surface of the laser rays spread out of in described laser generator and the first described reflective mirror, angle is 135 degree, and the second described reflective mirror imports the first described optical path compensation device into by parallel for described laser rays.
By adopting technique scheme, the lasing light emitter that described laser generator spreads out of, first in the second described optical path compensation device, optically focused is carried out, import the first described compensator into, be equivalent to increase an optical path compensation device in the prior art, further reduce the scattering of laser, be conducive to the quality improving cutting, and, because the first described reflective mirror and the second reflective mirror minute surface are at right angles arranged, thus, what the laser rays transmitting out from the second described reflective mirror was parallel injects the first described optical path compensation device, like this, the second then described optical path compensation device can not change the transmission of angle of described laser rays.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the utility model cutting machine permanent light path conveyer embodiment.
Accompanying drawing illustrates: 1, laser generator; 2, the second optical path compensation device; 21, the first reflective mirror; 22, the second reflective mirror; 3, the first optical path compensation device; 31, the 3rd reflective mirror; 32, the 4th reflective mirror; 4, assembly reflective mirror; 5, laser head assembly; 6, one-level leading screw; 7, secondary leading screw; 8, synchronous belt transmission device; 81, the first belt wheel; 82, the second belt wheel; 83, contact roller; 84, Timing Belt; 9, power source; 10, sliding bottom; 11, cutting machine body; 12, bearing.
Detailed description of the invention
With reference to Fig. 1, the utility model cutting machine permanent light path conveyer embodiment is described further.
The permanent light path conveyer of a kind of cutting machine, laser beam spreads out of in laser generator 1, successively after the second optical path compensation device 2, first optical path compensation device 3 and assembly reflective mirror 4, along with the motion of laser head assembly 5 is cut workpiece after entering laser head assembly 5.
Wherein the compensating for path of laser is described below: laser beam has laser generator 1 to send, first transfer in the second optical path compensation device 2, wherein the second optical path compensation device 2 includes the first reflective mirror 21 and the second reflective mirror 22 that two pieces of minute surface angles are 90 degree, wherein, the minute surface of the first reflective mirror 21 and the angular separation of injecting of laser beam are 135 degree, according to the principle of reflection of light, the laser beam spread out of from the first reflective mirror 21 and former direction of propagation angle are 90 degree, the laser beam spread out of from the first reflective mirror 21 imports in the second reflective mirror 22 in the second optical path compensation device 2, because the first reflective mirror 21 and the second reflective mirror 22 minute surface angle are 90 degree, thus, the laser beam that laser beam spreads out of in the second reflective mirror 22 adjusts turnback relative to by the direction given off laser beam in laser generator 1, in beam transmission to the first optical path compensation device 3 of the second optical path compensation device 2 optically focused, the 3rd reflective mirror 31 in first optical path compensation device 3 is consistent with arranging of two minute surfaces in the second optical path compensation device 2 with the setting of the 4th reflective mirror 32, wherein, the minute surface of the 3rd reflective mirror 31 is 135 degree with the laser beam angle spread out of from the second optical path compensation device 2, like this, through direction that the laser beam of the first optical path compensation device 3 optically focused process spreads out of and its direction spread out of in laser generator 1 completely the same, laser beam enters in assembly reflective mirror 4, and the laser cutting of carrying out workpiece in laser head assembly 5 is imported into through assembly reflective mirror 4.
The connection of all parts in the permanent light path conveyer of cutting machine arranges relation and is described below: laser generator 1 is fixedly installed on cutting machine body 11, second optical path compensation device 2 is fixedly installed on cutting machine body 11 according to the angled relationships of laser beam in itself and laser generator 1, first optical path compensation device 3 is fixedly installed on sliding bottom 10, sliding bottom 10 is movably arranged on secondary leading screw 7 and (it may be noted that herein, movable annexation between sliding bottom 10 and secondary leading screw is realized by the screw pair on secondary leading screw 7, wherein sliding bottom 10 to be arranged on secondary leading screw 7 on feed screw nut, move horizontally along the length direction of secondary leading screw 7 by fixing to this feed screw nut circumference can to realize sliding bottom 10, this annexation is general knowledge known in those skilled in the art, thus the present invention does not do careful explanation, only illustrate with secondary leading screw 7), secondary leading screw 7 passes through the support and connection of bearing 12 on cutting machine body 11, laser head assembly 5 is arranged on one-level leading screw 6, one end of one-level leading screw 6 is also connected by bearing 12 with cutting machine body 11, the other end connects power source 9, laser head assembly 5 is similar to the relation of sliding bottom 10 and secondary leading screw 7 with the connection movement relation of one-level leading screw 6, synchronous belt transmission device 8 is provided with between one-level leading screw 6 and secondary leading screw 7, in synchronous belt transmission device 8: the first belt wheel 81 is arranged at one end one-level leading screw 6 being provided with power source 9, second belt wheel 82 is arranged on secondary leading screw 7, Timing Belt 84 is tensioned between two belt wheels, preferably be furnished with contact roller 83 herein, the outer side compression Timing Belt 84 that contact roller 83 is arranged in Timing Belt 84 makes it to compress with the second belt wheel 82 with the first belt wheel 81 to contact, prevent Timing Belt 84 from skidding.
Preferably, one-level leading screw 6 and secondary leading screw 7 can adopt ball-screw, utilize the self structure precision of ball-screw that the cutting accuracy of laser cutting machine is improved further.
The principle that realizes of the permanent light path of the permanent light path conveyer of cutting machine of the present invention is described below:
Driven by motor one-level leading screw 6 makes laser head assembly 5 be subjected to displacement as L, because the gear ratio on the first belt wheel 81 of synchronous belt transmission device 8 and the second belt wheel 82 is 2:1, thus, the rotating speed importing the rotating ratio one-level leading screw 6 in secondary leading screw 7 into is low one times, the now displacement S of the correspondence of sliding bottom 10, then also exist between S and L: the relation of L=2S, thus, the length of the transmission light path of the laser beam spread out of by laser generator 1 can not change because of the movement of laser head assembly 5, thus ensure that the laser beam spread out of in laser generator 1 is in the length not changing transmission after optical path compensation, thus ensure the precision of cutting process.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. the permanent light path conveyer of cutting machine, comprise cutting machine body, be arranged at laser head assembly and laser generator on described cutting machine body, it is characterized in that: described cutting machine body is also provided with one-level leading screw and secondary leading screw, described laser head assembly is slidably connected on described one-level leading screw, a transmission component is provided with between described one-level leading screw and described secondary leading screw, described in the first optical path compensation device that on described secondary leading screw, the laser transfer slidably connected for being produced by laser generator enters in laser head assembly, one-level leading screw is circumscribed with drive source.
2. the permanent light path conveyer of cutting machine according to claim 1, is characterized in that: described transmission component adopts synchronous belt transmission device, is provided with the contact roller of the synchronous belt transmission device described in compression between described one-level leading screw and secondary leading screw.
3. the permanent light path conveyer of cutting machine according to claim 1, is characterized in that: described one-level leading screw and secondary leading screw are ball-screw.
4. the permanent light path conveyer of cutting machine according to claim 1, it is characterized in that: between described laser generator and the first described optical path compensation device, be also provided with the second optical path compensation device, the second described optical path compensation device includes the first reflective mirror and the second reflective mirror that minute surface is oppositely arranged, the all oblique settings in miter angle of described first reflective mirror and the second reflective mirror, the horizontal laser light line that laser generator described in the first described reflective mirror receives produces, between the minute surface of the laser rays spread out of in described laser generator and the first described reflective mirror, angle is 135 degree, the second described reflective mirror imports the first described optical path compensation device into by parallel for described laser rays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493490.3U CN204934857U (en) | 2015-07-09 | 2015-07-09 | The permanent light path conveyer of cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493490.3U CN204934857U (en) | 2015-07-09 | 2015-07-09 | The permanent light path conveyer of cutting machine |
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| Publication Number | Publication Date |
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| CN204934857U true CN204934857U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520493490.3U Active CN204934857U (en) | 2015-07-09 | 2015-07-09 | The permanent light path conveyer of cutting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014234A (en) * | 2018-01-05 | 2019-07-16 | 北京源欧森激光设备有限公司 | Circle mould laser cutting machine |
-
2015
- 2015-07-09 CN CN201520493490.3U patent/CN204934857U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014234A (en) * | 2018-01-05 | 2019-07-16 | 北京源欧森激光设备有限公司 | Circle mould laser cutting machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200401 Address after: 301700 No. 86, Heyuan Road, Jingjin science and Technology Valley Industrial Park, Wuqing District, Tianjin Patentee after: Fansi machine tool (Tianjin) Co., Ltd Address before: 101113 Guanghua Road, Beijing city Tongzhou District Zhangjiawan Town Tongzhou Industrial Zone No. 16 Beijing Fanghezhengyuan No. 5 North Building Patentee before: BEIJING FANCH MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |