CN218695061U - Zoom cutting head based on movable optical fiber connector - Google Patents
Zoom cutting head based on movable optical fiber connector Download PDFInfo
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- CN218695061U CN218695061U CN202222838875.1U CN202222838875U CN218695061U CN 218695061 U CN218695061 U CN 218695061U CN 202222838875 U CN202222838875 U CN 202222838875U CN 218695061 U CN218695061 U CN 218695061U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The utility model belongs to the field of laser cutting heads, and discloses a zoom cutting head based on a movable optical fiber connector, which comprises a QBH connector, a focusing cylinder for focusing light and a nozzle communicated with the focusing cylinder; the side surface of the nozzle is provided with an air hole for introducing air, and the nozzle also comprises an adjusting cylinder and a driving module which are respectively communicated with the QBH connector and the focusing cylinder; two ends of the adjusting cylinder are respectively an adjusting end connected with the QBH connector in a specified mode and a free end connected with the focusing cylinder; the driving module is used for driving the adjusting end to reciprocate along the axial direction of the focusing barrel so as to adjust the distance between the QBH connector and the focusing barrel; this scheme can realize that the laser cutting head adjusts laser focal length with the mode of adjusting the distance between QBH connector and the focusing barrel, avoids removing focusing barrel inner part, improves integrative performances such as stability, durability, the leakproofness of focusing barrel.
Description
Technical Field
The utility model relates to a laser cutting head field, in particular to cutting head zooms based on movable fiber connector.
Background
The laser cutting head is an output part on laser cutting equipment and is used for outputting laser for cutting a workpiece, the specific structure of the laser cutting head can refer to the technical scheme with the patent application number of CN201620643937.5, and the laser cutting head comprises a QBH interface, a collimating mirror adjusting mechanism, a high-speed follow-up mechanism, a high-speed sliding mechanism, a focusing mirror adjusting mechanism, a protective mirror installing mechanism and a focusing nozzle, wherein the QBH interface and the collimating mirror adjusting mechanism are fixed on the upper part of the high-speed follow-up mechanism through bolts, a screw rod seat and a height sensor are installed in the high-speed follow-up mechanism, the high-speed sliding mechanism is embedded in the high-speed follow-up mechanism and connected with the focusing adjusting mechanism through bolts, and the protective mirror installing mechanism and the focusing nozzle are sequentially fixed on the lower part of the focusing adjusting mechanism through bolts.
Above-mentioned this scheme, high-speed follow-up mechanism is as main power unit, through high-speed slide mechanism drive focusing mirror adjustment mechanism, make the focusing mirror reciprocate in the inside of device, thereby reach the effect of adjusting device focus, but high-speed follow-up mechanism is built-in the device, make the heat of high-speed follow-up mechanism self-production accumulate in the device, be difficult for giving off, in addition, because immature of current technology, be used for built-in main power unit's position on the device, still there is the not strong problem of leakproofness, lead to the dust easily, the granule, the entering of foreign matter such as oil drop, influence the performance and the practical life of device.
Therefore, the problem is solved by the scheme, and how to avoid moving the adjustment of the focusing barrel inner part with the laser focal length is realized, so that the stability, the durability, the sealing performance and other integrated performances of the focusing barrel are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cutting head zooms based on movable fiber connector realizes adjusting laser focal length with the mode of adjusting the distance between QBH connector and the focusing barrel based on movable fiber connector's the cutting head that zooms, avoids removing focusing barrel inner part, improves a body performance such as stability, durability, the leakproofness of focusing barrel.
The utility model provides a technical scheme does: a zoom cutting head based on a movable optical fiber connector comprises a QBH connector, a focusing barrel for focusing light rays, and a nozzle communicated with the focusing barrel; the side surface of the nozzle is provided with an air hole for introducing air, and the nozzle also comprises an adjusting cylinder and a driving module which are respectively communicated with the QBH connector and the focusing cylinder; two ends of the adjusting cylinder are respectively an adjusting end connected with the QBH connector in a specified mode and a free end connected with the focusing cylinder; the driving module is used for driving the adjusting end to reciprocate along the axial direction of the focusing barrel so as to adjust the distance between the QBH connector and the focusing barrel.
In the above zoom cutting head based on the movable optical fiber connector, the adjusting cylinder is a flexible piece with a cylindrical structure, and the free end is fixedly connected with the focusing cylinder.
In the above-mentioned zoom cutting head based on a movable optical fiber connector, the adjusting cylinder is an organ cover cylinder which can be reciprocally extended and retracted along the axial direction of the focusing cylinder.
In the above-mentioned variable focus cutting head based on a movable optical fiber connector, the adjusting end is fixed with a guide rod extending in an axial direction of the focusing cylinder; and a guide frame which can be penetrated by the light beams is connected between the free end and the focusing cylinder, and the guide frame is in sliding fit with the guide rod.
In the zoom cutting head based on the movable optical fiber connector, at least three guide rods are arranged and arranged around the axis of the adjusting cylinder in a surrounding manner.
In the above zoom cutting head based on the movable optical fiber connector, the adjusting cylinder is a rigid member with a cylindrical structure, and the free end is in sliding fit with the outer wall of the focusing cylinder.
In the zoom cutting head based on the movable optical fiber connector, the driving module is a linear motor capable of outputting power along the axial direction of the focusing cylinder; and the power output end of the linear motor is fixedly connected with the adjusting end.
In the aforesaid cutting head of zooming based on movable fiber connector, be equipped with the link between QBH connector and the regulation end, be located the through-hole of intercommunication regulation end and QBH connector on the link, linear electric motor and the side fixed connection of link.
In the zoom cutting head based on the movable optical fiber connector, a collimating lens and a focusing lens are arranged in the focusing cylinder at intervals along the axial direction of the focusing cylinder; the focusing mirror is positioned between the nozzle and the collimating mirror.
In the above-mentioned zoom cutting head based on a movable optical fiber connector, a protective lens located between the nozzle and the focusing lens is further provided in the focusing barrel.
After the technical scheme is adopted in the utility model, its beneficial effect who has is:
this scheme is through setting up the regulation section of thick bamboo, the free end of adjusting a section of thick bamboo is connected with a focus section of thick bamboo, the regulation end of adjusting a section of thick bamboo is connected with the QBH connector, the free end can with focus section of thick bamboo relative movement, drive module drives the axial displacement of free end along a focus section of thick bamboo, make the free end drive the QBH connector keep away from or be close to a focus section of thick bamboo, thereby adjust the distance between QBH connector and the focus section of thick bamboo, reach the effect of adjusting laser focus, avoid the power supply to embed and unable heat dissipation and sealed defect scheduling problem, realize the mode adjustment laser focus of laser cutting head in order to adjust the distance between QBH connector and the focus section of thick bamboo, avoid removing focus section of thick bamboo inner part, the stability of a focus section of thick bamboo is improved, durability, integrative performance such as leakproofness.
Drawings
Fig. 1 is a schematic structural diagram of a variable-focus cutting head based on a movable optical fiber connector according to embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of a variable focus cutting head based on a movable fiber optic connector of embodiment 1 of the present invention;
fig. 3 is a plan view of a connection bracket according to embodiment 1 of the present invention.
Reference numerals: 1. a nozzle; 11. air holes; 2. a focusing barrel; 21. protective glasses; 22. a focusing mirror; 23. a collimating mirror; 3. a drive module; 4. a QBH connector; 5. a connecting frame; 51. a through hole; 6. a guide bar; 7. a guide frame.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.
Example 1:
as shown in fig. 1-3, a zoom cutting head based on a movable optical fiber connector comprises a QBH connector 4, a focusing barrel 2 for focusing light, and a nozzle 1 communicated with the focusing barrel 2; the side surface of the nozzle 1 is provided with an air hole 11 for introducing air, and the nozzle also comprises an adjusting cylinder and a driving module 3 which are respectively communicated with the QBH connector 4 and the focusing cylinder 2; two ends of the adjusting cylinder are respectively an adjusting end fixedly connected with the QBH connector 4 and a free end connected with the focusing cylinder 2; the driving module 3 is used for driving the adjusting end to reciprocate along the axial direction of the focusing barrel 2 so as to adjust the distance between the QBH connector 4 and the focusing barrel 2.
The implementation principle does, adjust a section of thick bamboo through setting up, the free end of adjusting a section of thick bamboo is connected with a focus section of thick bamboo 2, the regulation end of adjusting a section of thick bamboo is connected with QBH connector 4, the free end can with focus section of thick bamboo 2 relative movement, drive module 3 drives the axial displacement of free end along a focus section of thick bamboo 2, make the free end drive QBH connector 4 keep away from or be close to a focus section of thick bamboo 2, thereby adjust the distance between QBH connector 4 and a focus section of thick bamboo 2, reach the effect of adjusting the laser focus, avoid the power supply to embed and can't dispel the heat and seal defect scheduling problem, realize that the laser focus is adjusted with the mode of adjusting the distance between QBH connector 4 and a focus section of thick bamboo 2 to the laser cutting head, avoid removing focus section of thick bamboo 2 inner part, improve a stability, durability, integrative performance such as leakproofness of a focus section of thick bamboo 2.
In some embodiments, the adjusting cylinder is a flexible piece with a cylindrical structure, and the free end is fixedly connected with the focusing cylinder 2.
In the specific implementation, the adjusting cylinder is a flexible piece, so that the adjusting cylinder can be stretched or shortened through deformation, the distance between the free end and the adjusting end is changed, and the adjusting cylinder is in transition connection between the focusing cylinder 2 and the QBH connector 4 and plays a role in indirectly adjusting the distance between the QBH connector 4 and the focusing cylinder 2.
Preferably, the adjusting cylinder is an organ cover cylinder which can be reciprocally stretched along the axial direction of the focusing cylinder 2.
In this embodiment, the wind organ cover cylinder may be made of an aluminum alloy or other known materials, which is not limited in this embodiment.
In a further improvement, the adjusting end is fixed with a guide rod 6 extending along the axial direction of the focusing barrel 2; a guide frame 7 through which the light beams can pass is connected between the free end and the focusing barrel 2, and the guide frame 7 is in sliding fit with the guide rod 6.
The guide frame 7 is connected at the free end, and the guide rod 6 is fixed at the free end, and the free end removes the axial displacement that drives guide rod 6 along focusing barrel 2, and guide rod 6 and guide bar relative slip play the flexible material of direction regulation section of thick bamboo along focusing barrel 2's axial displacement, the radial degree of freedom of the flexible material of regulation section of thick bamboo of restriction, improvement free end's removal precision and stability.
The middle part of the guide frame 7 is provided with an opening for the light beam to pass through.
In a specific application, the guide rods 6 are at least three and are arranged around the axis of the adjusting cylinder in a surrounding manner.
In some embodiments, the adjustment cylinder is a rigid piece of cylindrical structure, and the free end is in sliding fit with the outer wall of the focusing cylinder 2.
The adjusting cylinder can be replaced by a rigid material besides a flexible material, and the embodiment does not limit the structure; for example an alloy sleeve, the free end of which slides on the outer wall of the focusing barrel 2, the free end follows and drives the QBH connector 4 to move, thereby adjusting the distance between the QBH connector 4 and the focusing barrel 2.
The driving module 3 has a specific structure that the driving module 3 is a linear motor capable of outputting power along the axial direction of the focusing barrel 2; and the power output end of the linear motor is fixedly connected with the adjusting end.
In practical use, the body of the linear motor is fixed on the machine table or the frame and is relatively fixed with the focusing barrel 2.
In the concrete connection, be equipped with link 5, be located the through-hole 51 of intercommunication regulation end and QBH connector 4 on link 5 between QBH connector 4 and the regulation end, linear electric motor and link 5's side fixed connection.
The specific structure in the focusing barrel 2 is that a collimating lens 23 and a focusing lens 22 which are arranged along the axial direction of the focusing barrel 2 at intervals are arranged in the focusing barrel 2; the focusing mirror 22 is located between the nozzle 1 and the collimator lens 23.
The collimating lens 23 and the focusing lens 22 are both convex lenses.
In addition, a protective lens 21 is provided between the nozzle 1 and the focusing lens 22 in the focusing cylinder 2.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all should be included in the scope of the present invention.
Claims (10)
1. A zoom cutting head based on a movable optical fiber connector comprises a QBH connector (4), a focusing barrel (2) for focusing light, and a nozzle (1) communicated with the focusing barrel (2); the side surface of the nozzle (1) is provided with an air hole (11) for introducing air, and the device is characterized by further comprising an adjusting cylinder and a driving module (3) which are respectively communicated with the QBH connector (4) and the focusing cylinder (2); two ends of the adjusting cylinder are respectively an adjusting end connected with the QBH connector (4) in a specified mode and a free end connected with the focusing cylinder (2); the driving module (3) is used for driving the adjusting end to move back and forth along the axial direction of the focusing barrel (2) so as to adjust the distance between the QBH connector (4) and the focusing barrel (2).
2. The variable focus cutting head based on a movable optical fiber connector according to claim 1, characterized in that the adjusting cylinder is a flexible piece with a cylindrical structure, and the free end is fixedly connected with the focusing cylinder (2).
3. The variable focus cutting head based on movable optical fiber connector according to claim 2, characterized in that the adjusting cylinder is a concertina cover cylinder which can be reciprocally telescoped in the axial direction of the focusing cylinder (2).
4. The variable focus cutting head based on movable fiber optic connectors according to claim 2, characterized in that the adjusting end is fixed with a guide rod (6) extending in the axial direction of the focusing barrel (2); a guide frame (7) through which light beams can pass is connected between the free end and the focusing barrel (2), and the guide frame (7) is in sliding fit with the guide rod (6).
5. Variable focus cutting head based on movable fiber optic connectors according to claim 4, characterized in that the guide rods (6) are provided in at least three and are arranged around the axis of the adjustment cylinder.
6. The variable focus cutting head based on movable optical fiber connector according to claim 1, characterized in that the adjusting cylinder is a rigid piece with a cylindrical structure, and the free end is in sliding fit with the outer wall of the focusing cylinder (2).
7. The variable-focus cutting head based on movable optical fiber connector according to claim 1, characterized in that the driving module (3) is a linear motor capable of outputting power along the axial direction of the focusing barrel (2); and the power output end of the linear motor is fixedly connected with the adjusting end.
8. The variable-focus cutting head based on the movable optical fiber connector according to claim 7, characterized in that a connecting frame (5) is arranged between the QBH connector (4) and the adjusting end, a through hole (51) is arranged on the connecting frame (5) and is communicated with the adjusting end and the QBH connector (4), and the linear motor is fixedly connected with the side surface of the connecting frame (5).
9. The variable-focus cutting head based on the movable optical fiber connector according to any one of claims 1 to 8, characterized in that a collimating lens (23) and a focusing lens (22) are arranged in the focusing cylinder (2) at intervals along the axial direction of the focusing cylinder (2); the focusing mirror (22) is positioned between the nozzle (1) and the collimating mirror (23).
10. Variable-focus cutting head based on movable optical fiber connectors according to any of claims 1-8, characterized in that a protective lens (21) is further arranged inside the focusing barrel (2) between the nozzle (1) and the focusing lens (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222838875.1U CN218695061U (en) | 2022-10-26 | 2022-10-26 | Zoom cutting head based on movable optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222838875.1U CN218695061U (en) | 2022-10-26 | 2022-10-26 | Zoom cutting head based on movable optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218695061U true CN218695061U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222838875.1U Active CN218695061U (en) | 2022-10-26 | 2022-10-26 | Zoom cutting head based on movable optical fiber connector |
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| Country | Link |
|---|---|
| CN (1) | CN218695061U (en) |
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2022
- 2022-10-26 CN CN202222838875.1U patent/CN218695061U/en active Active
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