CN219443843U - Light path system of laser banding - Google Patents
Light path system of laser banding Download PDFInfo
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- CN219443843U CN219443843U CN202320638787.9U CN202320638787U CN219443843U CN 219443843 U CN219443843 U CN 219443843U CN 202320638787 U CN202320638787 U CN 202320638787U CN 219443843 U CN219443843 U CN 219443843U
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Abstract
The utility model discloses a laser edge banding light path system, and belongs to the technical field of laser welding. The optical path system is formed by sequentially connecting a laser, a collimation protection mirror, a collimation mirror, a reflecting mirror, a focusing mirror and a focusing protection mirror in series. The utility model has the advantages that compared with the prior art: firstly, the optical path system is provided with the collimation protection lens and the focusing protection lens, dust can be prevented from falling onto the collimation convex lens when the optical fiber is plugged and unplugged, the collimation protection lens forms protection, the focusing protection lens can prevent dust from drifting onto the collimation convex lens when the optical fiber is welded, the focusing lens forms protection, the cleanliness of the collimation lens and the focusing lens is ensured, the damage to the collimation lens and the focusing lens is avoided, and the stability of an optical path is improved.
Description
Technical Field
The utility model belongs to the technical field of laser welding, and particularly relates to a laser edge sealing light path system.
Background
In many existing working scenarios, laser welding is required to achieve edge sealing of products, and an important device is a laser edge sealing head. The laser edge sealing head is usually provided with a QBH joint for connecting and fixing a light laser, then laser is emitted from the inside of an optical fiber, the laser is received and shaped through a collimating lens module, the shaped laser is directly irradiated onto a swinging motor reflection module, the motor swings at high frequency to enable the reflection lens to light to a focusing lens, a focusing energy focus is formed to generate high temperature after passing through the focusing module, and high-temperature compressed air melts glue on a laser edge sealing belt to achieve a gluing effect. In the welding process, the motor swing frequency is increased, the focus dots can be changed from points to lines to generate focuses with different lengths, so that the welding machine is suitable for edge sealing of products in different scenes such as woodworking machinery industry, furniture manufacturing industry and the like.
In the light path system of the laser edge sealing head, the collimating mirror, the reflecting mirror and the focusing mirror are main lenses for realizing the functions of the collimating mirror, the reflecting mirror and the focusing mirror, as the collimating mirror and the focusing mirror adopt the convex mirror for transmitting light and are arranged on two sides of the light path system, the requirements of the collimating mirror and the focusing mirror on the cleanliness are high, and if the collimating mirror and the focusing mirror are polluted, the light transmission can be influenced, so that the high-energy laser burns the lenses, the lenses are damaged, and the important influence on performance products of the light path system is realized. The existing laser edge sealing light path is generally composed of a laser, a collimating mirror, a reflecting mirror and a focusing mirror, and a protection structure for the collimating mirror and the focusing mirror is not arranged.
Disclosure of Invention
In order to solve the problems, the primary aim of the utility model is to provide a laser edge sealing light path system, which is provided with a collimation protection lens and a focusing protection lens, wherein the collimation protection lens can prevent dust from falling onto the collimation convex lens when an optical fiber is inserted and pulled, the collimation protection lens forms protection, the focusing protection lens can prevent dust from drifting onto the collimation convex lens when the optical fiber is welded, the focusing protection lens forms protection, the cleanliness of the collimation lens and the focusing lens is ensured, the damage to the collimation lens and the focusing lens is avoided, and the stability of a light path is improved;
the final object of the utility model is to provide a laser edge banding optical path system, which swings to generate focal points with different lengths, and can be suitable for edge banding of products in different scenes.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a laser edge-sealed light path system, which comprises a laser, a collimation protection mirror, a collimation mirror, a reflecting mirror, a focusing mirror and a focusing protection mirror, wherein the laser, the collimation protection mirror, the collimation mirror, the reflecting mirror, the focusing mirror and the focusing protection mirror are sequentially connected in series to form the light path system. In the application, the laser emits laser, the laser firstly passes through the collimation protection lens, then receives the laser through the collimation convex lens and is shaped into a beam of parallel light, the parallel light is directly irradiated onto the swing motor reflection lens, the motor swings at high frequency to enable the reflection lens to light to the focusing lens, then a focusing energy focus is formed after the laser penetrates through the focusing convex lens, the higher the motor swing frequency is, and dots at the focus can be changed into lines from points. The collimating protection lens can prevent dust from falling onto the collimating convex lens when the optical fiber is plugged and unplugged, the collimating lens forms protection, the focusing protection lens can prevent dust generated during welding from drifting onto the collimating convex lens, the focusing lens forms protection, the cleanliness of the collimating lens and the focusing lens is ensured, the collimating lens and the focusing lens are prevented from being damaged, and the stability of an optical path is improved. The sequential series connection means sequential arrangement and sequential combination.
Further, the laser adopts a fiber laser, is arranged on the QBH joint, and emits laser light from the inside of the fiber to be transmitted into the light path.
Further, the collimating protection lens adopts a plane lens, the dimension parameter is D30-2, the diameter is 30mm, and the thickness is 2mm.
Further, the collimating lens adopts a convex lens, the dimension parameters are D30-F100, the diameter is 30mm, the focal length is 100mm, and the convex radius (mm): upper convex surface R416.73, lower convex surface R50.48, center thickness 4.6 side thickness 2.05.
Further, the incidence angle of the reflector is 45 degrees, the dimension parameter is D24-22-2, the length is 24mm, the width is 22mm, the thickness is 2mm, and the swing angle is +/-15 degrees under the control of a motor.
Further, the focusing lens adopts a convex lens, the dimension parameters D30-F100 are 30mm in diameter, the focal length is 100mm, and the convex radius (mm): upper convex surface R134.35, center thickness 3.5, side thickness 2.66.
Further, the focusing protection mirror adopts a plane lens, the dimension parameter D30-2 is 30mm in diameter and 2mm in thickness.
The utility model has the advantages that compared with the prior art:
firstly, the optical path system is provided with the collimation protection lens and the focusing protection lens, dust can be prevented from falling onto the collimation convex lens when the optical fiber is plugged and unplugged, the collimation protection lens forms protection, the focusing protection lens can prevent dust from drifting onto the collimation convex lens when the optical fiber is welded, the focusing lens forms protection, the cleanliness of the collimation lens and the focusing lens is ensured, the damage to the collimation lens and the focusing lens is avoided, and the stability of an optical path is improved.
Secondly, the reflecting mirror of the light path system can swing at an angle of +/-15 degrees under the control of the motor, and dots at the focus can be changed from points to lines to generate focuses with different lengths, so that the light path system can be suitable for edge sealing of products in different scenes.
Drawings
Fig. 1 is an optical path diagram of the present embodiment.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
referring to fig. 1, the embodiment provides a laser edge-sealed optical path system, which includes a laser 1, a collimation protection mirror 2, a collimation mirror 3, a reflecting mirror 4, a focusing mirror 5, and a focusing protection mirror 6, wherein the laser 1, the collimation protection mirror 2, the collimation mirror 3, the reflecting mirror 4, the focusing mirror 5, and the focusing protection mirror 6 are sequentially connected in series to form the optical path system. In the application, the laser 1 emits laser, the laser passes through the collimating protective lens 2, then is received through the collimating convex lens and is shaped and combined into a parallel light, the parallel light is directly irradiated onto the oscillating motor reflector 4, the light of the reflector 4 is made to reach the focusing lens 5 through high-frequency oscillation of the motor, then the focusing energy focus 7 is formed after the laser passes through the focusing convex lens, the higher the motor oscillation frequency is, and dots at the focus 7 can be changed into lines from points. The collimating protection lens 2 can prevent dust from falling onto the collimating convex lens when the optical fiber is plugged and unplugged, the collimating lens 3 forms protection, the focusing protection lens 6 can prevent dust generated during welding from drifting onto the collimating convex lens, the focusing lens 5 forms protection, the cleanliness of the collimating lens 3 and the focusing lens 5 is guaranteed, the collimating lens 3 and the focusing lens 5 are prevented from being damaged, and the stability of an optical path is improved.
Further, the laser 1 adopts a fiber laser, is installed on the QBH joint, and emits laser light from the inside of the fiber to be transmitted into an optical path.
Further, the collimation protection mirror 2 adopts a plane lens, and the dimension parameter is D30-2.
Further, the collimating lens 3 adopts a convex lens, and the dimension parameters are D30-F100, an upper convex surface R416.73, a lower convex surface R50.48, and a center thickness of 4.6 sides of thickness of 2.05.
Further, the incident angle of the reflecting mirror 4 is 45 DEG, the dimension parameter is D24-22-2, and the swing angle is + -15 DEG by motor control.
Further, the focusing lens 5 adopts a convex lens, and has dimensional parameters D30-F100, an upper convex surface R134.35, a center thickness of 3.5 and a side thickness of 2.66.
Further, the focus protection mirror 6 employs a planar lens, the dimension parameter D30-2.
Further, the film fineness requirement of the lens is: tave >99.9% @1064nm, ±30; tave >90% @650 nm.+ -.20
Further, the film fineness requirement of the reflecting mirror 4 is: r >99.9% @1064nm, + -30; r=90% @650nm±20.
Further, the dimensions of the planar lens and the convex mirror are both mm.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a light path system of laser banding, its characterized in that includes laser instrument, collimation protection mirror, collimation mirror, speculum, focusing mirror, focusing protection mirror, laser instrument, collimation protection mirror, collimation mirror, speculum, focusing mirror, focusing protection mirror establish ties in proper order and form light path system.
2. A laser edge banding optical path system as claimed in claim 1, wherein said laser is a fiber laser.
3. The laser edge banding optical path system as in claim 1, wherein said collimation protection mirror is a planar lens with a dimension parameter of D30-2.
4. The laser edge banding optical path system as in claim 1, wherein said collimating lens is a convex lens with dimensional parameters D30-F100, upper convex R416.73, lower convex R50.48, center thickness 4.6 side thickness 2.05.
5. A laser edge banding optical path system as in claim 1 wherein said mirror has an angle of incidence of 45 ° and a dimensional parameter D24-22-2 and a swing angle of ± 15 °.
6. The laser edge banding optical path system as in claim 1, wherein said focusing mirror is a convex mirror, dimensional parameters D30-F100, upper convex R134.35, center thickness 3.5, edge thickness 2.66.
7. A laser edge banding optical path system as in claim 1 wherein said focus protection mirror is a planar lens, dimensional parameter D30-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638787.9U CN219443843U (en) | 2023-03-15 | 2023-03-15 | Light path system of laser banding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638787.9U CN219443843U (en) | 2023-03-15 | 2023-03-15 | Light path system of laser banding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219443843U true CN219443843U (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320638787.9U Active CN219443843U (en) | 2023-03-15 | 2023-03-15 | Light path system of laser banding |
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| Country | Link |
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| CN (1) | CN219443843U (en) |
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2023
- 2023-03-15 CN CN202320638787.9U patent/CN219443843U/en active Active
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