An optical beam collimator auto-coupling package device and method

Abstract

The application provides a light beam collimator automatic coupling packaging device, which comprises a laser fixture assembly, a light beam collimator fixture assembly, a light power coupling detection assembly and a dispensing and curing assembly, the laser fixture assembly is used for clamping and positioning a laser tube and being powered on, the light beam collimator fixture assembly is used for clamping a light beam collimator and being coupled to a preset position of the laser tube, the light beam collimator is pre-fitted with a connecting ring, the connecting ring is used for connecting the light beam collimator and the laser tube, the light power coupling detection assembly is used for detecting coupling power to confirm coupling accuracy, and the dispensing and curing assembly is used for dispensing and curing a coupling position while adjusting the position of the connecting ring, so that the application can automatically complete the coupling packaging of the light beam collimator and the laser tube, and in the process of dispensing and curing the connecting ring, the position of the connecting ring is ensured to be accurate, the action design is simplified, and the coupling packaging efficiency of the connecting ring is improved.

Description

Technical Field

[0001] This invention relates to the field of laser coupling and packaging technology, and in particular to an automatic coupling and packaging device and method for a beam collimator. Background Technology

[0002] Single-tube lasers are common types of lasers, primarily composed of a laser tube housing, a laser chip, and a beam collimator. The laser chip generates the laser beam, which is then collimated by the beam collimator before being emitted. A connecting ring is also included to connect the beam collimator to the laser tube housing. The coupling and packaging process requires precise positioning of the beam collimator and laser tube housing before coupling and packaging, ensuring that parameters such as the emitted light power meet specifications. Traditional coupling methods require manual labor for loading and unloading the beam collimator and connecting the optical power meter. This manual labor is not only costly and inefficient but also prone to errors, affecting the coupling effect and making it unsuitable for mass automated production.

[0003] CN111468830A discloses an automatic coupling and packaging device and method for a laser-coated optical fiber (COC), including a mounting platform, a mounting plate, a pigtail clamping mechanism, a base clamping mechanism, a power supply mechanism, a laser welding mechanism, and a monitoring mechanism. The pigtail clamping mechanism clamps the pigtail and couples it to the COC base. The pigtail consists of an optical fiber and a pigtail fixing block. One end of the optical fiber passes through the pigtail fixing block, and the other end is connected to an optical power meter. The power supply mechanism supplies power to the laser chip. The monitoring mechanism monitors the relative position of the pigtail and the COC base. The laser welding mechanism welds the pigtail to the COC base for packaging. However, the prior art involves a COC device and uses welding to fix the pigtail to the COC base. Since welding differs from adhesive curing, the prior art method cannot easily achieve the automatic coupling and packaging of the beam collimator for a single-tube laser. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of the aforementioned background technology by providing an automatic coupling and packaging scheme for the beam collimator of a single-tube laser, which can reliably and efficiently complete the coupling and packaging of the beam collimator and the connecting ring.

[0005] To achieve the above objectives, the present invention provides an automatic coupling and packaging device for a beam collimator, comprising a laser clamping assembly, a beam collimator clamping assembly, an optical power coupling detection assembly, and a dispensing and curing assembly. The laser clamping assembly is used to clamp and position the laser housing and power it on. The beam collimator clamping assembly is used to clamp the beam collimator and couple it to a preset position on the laser housing. The beam collimator is pre-fitted with a connecting ring, which is used to connect the beam collimator to the laser housing. The optical power coupling detection assembly is used to detect the coupling power and confirm the coupling accuracy. The dispensing and curing assembly is used to dispense and cure adhesive at the coupling position and simultaneously adjust the position of the connecting ring.

[0006] Furthermore, the laser fixture assembly includes a laser fixture base and a laser fixture adjustment module. The laser fixture adjustment module is used to adjust the orientation angle and pitch angle of the laser fixture base. The laser fixture base has a positioning groove corresponding to the laser tube shell. The bottom surface of the positioning groove is provided with adsorption holes, which are used to generate negative pressure to adsorb the laser tube shell.

[0007] Laser pressure plates are arranged on both sides of the positioning groove. The laser pressure plates generate elastic clamping force through the spring in the spring hole of the pressure plate, and can be opened by operating the handle.

[0008] The laser fixture is provided with a water-cooling channel, which is used to form a water-cooling circuit to dissipate heat from the laser tube shell.

[0009] The laser fixture displacement module includes an angle rotation slide and a pitch adjustment slide. The laser fixture base is disposed on the angle rotation slide, and the angle rotation slide is disposed on the pitch adjustment slide.

[0010] Furthermore, the beam collimator clamp assembly includes a beam collimator displacement module and a beam collimator clamp disposed on the beam collimator displacement module. The beam collimator clamp includes a clamping part and a rotation driving part. The clamping part is used to clamp the beam collimator, and the rotation driving part is used to drive the clamping part to rotate and adjust the angle. The beam collimator displacement module is used to adjust the position of the beam collimator clamp.

[0011] Furthermore, the clamping part includes a fixed clamping seat and a rotating clamping seat. The fixed clamping seat rotatably supports the rotating clamping seat through a bearing. A pair of chucks are provided at the end of the rotating clamping seat. The opening and closing of the chucks are controlled by a chuck control mechanism.

[0012] The rotary drive unit includes a rotary drive motor, which is connected to the rotary clamp seat via a synchronous belt transmission mechanism.

[0013] The beam collimator displacement module has translational degrees of freedom in the X, Y, and Z directions.

[0014] Furthermore, the end of the chuck is connected to the first end of the chuck connecting rod, the first end of the chuck connecting rod is hinged to the rotary clamp seat, and the chuck control mechanism includes a universal wheel axle, a pull rod, and a pull rod cylinder. The universal wheel axle is hinged to the second end of the chuck connecting rod, the universal wheel axle is disposed at the first end of the pull rod, and the second end of the pull rod is connected to the pull rod cylinder.

[0015] The pull rod cylinder is fixed on the fixed clamp seat, the rotating clamp seat is connected to the hollow sleeve, and the pull rod passes through the hollow sleeve.

[0016] Furthermore, the optical power coupling detection component includes an integrating sphere and an electric aperture. The integrating sphere is connected to an integrating sphere displacement module, which is used to adjust the position of the integrating sphere. The light outlet of the beam collimator is connected to the electric aperture, which is connected to a front-to-back adjustment module, which is used to adjust the distance between the electric aperture and the integrating sphere.

[0017] Furthermore, the dispensing curing assembly includes a dispensing curing mounting base, which is connected to a dispensing curing displacement module. The dispensing curing displacement module is used to drive the dispensing curing mounting base to translate. The dispensing curing mounting base is provided with a dispensing front-to-back displacement module, which is connected to a dispensing head. The dispensing front-to-back displacement module is used to control the advance and return of the dispensing head. The end of the dispensing head is provided with a feeding part, which is used to move the connecting ring.

[0018] Furthermore, the dispensing and curing mounting base is also equipped with a pre- and post-curing displacement module, which is connected to the UV curing lamp and is used to control the advance and return of the UV curing lamp.

[0019] The present invention also provides an automatic coupling and packaging method for a beam collimator, comprising the following steps:

[0020] S1, Fix the laser tube housing with the laser chip in the preset position of the laser clamp assembly, and place the beam collimator in the beam collimator clamp assembly and clamp it.

[0021] S2, the beam collimator moves under the drive of the beam collimator clamp assembly until the beam collimator is in a preset position inside the laser tube housing;

[0022] S3, the optical power coupling detection component detects the optical power and confirms the coupling accuracy of the beam collimator. The laser fixture assembly adjusts the laser tube shell to ensure that the coupling accuracy meets the requirements.

[0023] S4, the dispensing and curing assembly moves to the first dispensing position to dispense adhesive, and at the same time the beam collimator rotates one revolution under the action of the beam collimator clamping assembly, so that the first dispensing position is evenly coated with adhesive for one revolution.

[0024] S5, the dispensing and curing assembly moves to the second dispensing position of the connecting ring and moves the connecting ring so that the connecting ring contacts the laser tube shell, and then the dispensing begins. The beam collimator rotates one revolution under the action of the beam collimator clamp assembly, so that the second dispensing position is evenly coated with glue for one revolution.

[0025] S6, the dispensing and curing assembly moves to the third dispensing position to dispense adhesive, and at the same time the beam collimator rotates one revolution under the action of the beam collimator clamping assembly, so that the first dispensing position is evenly coated with adhesive for one revolution.

[0026] S7, UV curing is performed on the dispensing site for a certain period of time to complete the coupling and encapsulation of the device.

[0027] Specifically, S3 includes the following sub-steps:

[0028] S31, the electric aperture moves to the position closest to the integrating sphere. After the laser chip is powered on, the beam collimator clamp assembly moves simultaneously along the Y and Z directions to perform a power search on the plane perpendicular to the beam collimator until the power on the plane is maximum.

[0029] S32, the electric aperture moves away from the integrating sphere. At this time, the power received by the integrating sphere decreases as the distance increases, until the power received by the integrating sphere decreases to a specified value.

[0030] S33, the laser fixture assembly adjusts the direction angle and pitch angle of the laser tube shell relative to the beam collimator until the angle is optimal and the power is relatively maximum. Then, the beam collimator fixture assembly moves along the X direction to obtain the maximum power along the beam collimator direction.

[0031] S34, repeat S31-S33 until maximum power is achieved.

[0032] The above-described solution of the present invention has the following beneficial effects:

[0033] The automatic coupling and packaging scheme for beam collimators provided by this invention can automatically complete the coupling and packaging of the beam collimator and the laser housing. At the same time, during the dispensing and curing process of the connecting ring, it ensures the accurate position of the connecting ring, simplifies the action design, and improves the coupling and packaging efficiency of the connecting ring.

[0034] In this invention, the coupling between the laser clamp assembly and the beam collimator clamp assembly is completed under the detection of the optical power coupling detection assembly. The automated control method improves the reliability and accuracy of the coupling packaging.

[0035] In this invention, the optical power coupling detection component employs multiple detection methods, namely a combination of planar search, angular search, and longitudinal search, to ensure that the coupling between the beam collimator and the laser housing can reliably and efficiently reach the coupling position, thus meeting the coupling accuracy requirements.

[0036] Other beneficial effects of the present invention will be described in detail in the following detailed description section. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0038] Figure 2 This is a schematic diagram of the laser structure in this invention;

[0039] Figure 3 This is a schematic diagram of the laser fixture assembly of the present invention;

[0040] Figure 4 This is a schematic diagram of the laser fixture holder structure of the present invention;

[0041] Figure 5 This is a schematic diagram of the beam collimator clamp assembly of the present invention;

[0042] Figure 6 This is a schematic diagram of the beam collimator clamp structure of the present invention;

[0043] Figure 7 This is a schematic diagram of the dispensing and curing assembly of the present invention.

[0044] [Explanation of Labels in the Attached Image]

[0045] 100-Laser clamp assembly; 101-Laser clamp base; 102-Positioning slot; 103-Suction hole; 104-Laser pressure plate; 105-Pressure plate spring hole; 106-Handle; 107-Water cooling channel; 108-Angle rotary slide; 109-Pitch adjustment slide; 200-Beam collimator clamp assembly; 201-Beam collimator displacement module; 202-Fixed clamp base; 203-Rotating clamp base; 204-Bearing; 205-Chuck; 206-Rotary drive motor; 207-Synchronous belt drive mechanism; 208-Universal wheel axle; 209-Pull rod; 210-Pull rod cylinder; 211-Chuck connecting rod; 212-Hollow sleeve Cylinder; 300-Optical power coupling detection component; 301-Integrating sphere; 302-Electrically operated aperture; 303-Integrating sphere displacement module; 304-Front and rear adjustment module; 400-Dispensing and curing component; 401-Dispensing and curing mounting base; 402-Dispensing and curing displacement module; 403-Dispensing front and rear displacement module; 404-Dispensing head; 405-Material feeding section; 406-Curing front and rear displacement module; 407-UV curing lamp; 500-Laser; 501-Laser housing; 502-Beam collimator; 503-Connecting ring; 504-Laser chip; 505-First dispensing position; 506-Second dispensing position; 507-Third dispensing position. Detailed Implementation

[0046] To make the technical problems, solutions, and advantages of this invention clearer, a detailed description will be provided below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention. Furthermore, the technical features involved in the different embodiments of this invention described below can be combined with each other as long as they do not conflict with each other.

[0047] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0048] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a locking connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0049] like Figure 1 As shown in the figure, an embodiment of the present invention provides an automatic coupling and packaging device and method for a beam collimator, including a laser clamp assembly 100, a beam collimator clamp assembly 200, an optical power coupling detection assembly 300, and a dispensing and curing assembly 400. The laser clamp assembly 100 is used to clamp and position the laser housing 501 of the laser 500 and power it on. The beam collimator clamp assembly 200 is used to clamp the beam collimator 502 and couple it to a preset position on the laser housing 501. A connecting ring 503 is pre-fitted onto the beam collimator 502 during loading; its position is not fixed. The connecting ring 503 connects the beam collimator 502 to the laser housing 501, making the external connection between the beam collimator 502 and the laser housing 501 more stable and reliable. The optical power coupling detection assembly 300 is used to detect the coupling power of the beam collimator 502, thereby confirming the coupling accuracy. The dispensing and curing assembly 400 is used to dispense and cure adhesive at the coupling position. At the same time, the position of the connecting ring 503 can be directly adjusted by the dispensing and curing assembly, so that the dispensing can be performed directly after the connecting ring 503 is in place, thereby simplifying control and improving efficiency.

[0050] At the same time, such as Figure 3 As shown, in this embodiment, the laser fixture assembly 100 includes a laser fixture base 101 and a laser fixture adjustment module. The laser fixture adjustment module is used to adjust the orientation and pitch angles of the laser fixture base 101 to perform angle search during optical power coupling.

[0051] At the same time, such as Figure 4As shown, the laser fixture 101 has a positioning groove 102 corresponding to the laser housing 501. The bottom surface of the positioning groove 102 has adsorption holes 103, which are connected to a vacuum device to generate negative pressure to adsorb the laser housing 501, stabilizing its position in the positioning groove 102 and preventing displacement during the encapsulation process that could affect coupling accuracy. To further ensure the stability of the laser housing 501, laser pressure plates 104 are also provided on both sides of the positioning groove 102. The laser pressure plates 104 are hinged to the laser fixture 101. The rear end of the laser pressure plates 104 generates an elastic clamping force through a spring in the pressure plate spring hole 105, further pressing the structure on both sides of the laser housing 501 into the positioning groove 102. When it is necessary to remove the laser housing 501, the laser pressure plates 104 are opened by operating the handle 106, simultaneously disengaging the negative pressure adsorption.

[0052] As a further improvement, a water-cooling channel 107 is also provided in the laser fixture 101 in this embodiment. The water-cooling channel 107 is used to connect water-cooling pipes to form a water-cooling circuit. The water flow carries away the heat to dissipate heat from the laser housing 501, so that the laser chip 504, which generates a large amount of heat, will not be damaged during the coupling process, and the high temperature will not affect the quality of the dispensing curing.

[0053] Since the laser housing 501 needs to be adjusted in terms of azimuth and pitch, the laser fixture displacement module is equipped with an angle rotation slide 108 and a pitch adjustment slide 109. The laser fixture seat 101 is mounted on the angle rotation slide 108, and the angle rotation slide 108 is mounted on the pitch adjustment slide 109. The azimuth and pitch of the laser housing 501 can be adjusted by independently controlling the angle rotation slide 108 and the pitch adjustment slide 109.

[0054] At the same time, such as Figure 5 As shown, in this embodiment, the beam collimator fixture assembly 200 includes a beam collimator displacement module 201 and a beam collimator fixture disposed on the beam collimator displacement module 201. The beam collimator fixture includes a clamping part and a rotation drive part. The clamping part is used to clamp the beam collimator 502, and the rotation drive part is used to drive the clamping part to rotate and adjust the angle, causing the dispensing position to rotate relative to the dispensing curing assembly 400, thereby completing circumferential dispensing. The beam collimator displacement module 201 is used to adjust the position of the beam collimator fixture, on the one hand, to allow the beam collimator 502 to enter a preset position inside the laser housing 501 (i.e., the initial position before coupling), and on the other hand, to adjust the position of the beam collimator 502 during coupling, performing planar and longitudinal searches of optical power.

[0055] At the same time, such as Figure 6As shown, in this embodiment, the clamping part includes a fixed clamping seat 202 and a rotating clamping seat 203. The fixed clamping seat 202 rotatably supports the rotating clamping seat 203 through a bearing 204. A pair of chucks 205 are arranged at the end of the rotating clamping seat 203. The chucks 204 are V-shaped. The opening and closing of the chucks 204 are controlled by a chuck control mechanism to complete the clamping and releasing of the beam collimator 502.

[0056] It should be noted that in this embodiment, the beam collimator 502 is in the form of an optical fiber. Therefore, the inner side of the clamp 205 is provided with a slot corresponding to the beam collimator 502. When a pair of clamps 205 are closed, the slot will engage the beam collimator 502 and generate a suitable clamping force, which can stably clamp the beam collimator 502 without damaging it.

[0057] In this embodiment, the rotary drive unit includes a rotary drive motor 206, which is connected to the rotary fixture seat 203 via a synchronous belt transmission mechanism 207. The rotary drive motor 206 drives the rotary fixture seat 203, the chuck 205 and the clamped beam collimator 502 to rotate, thereby enabling the dispensing position to rotate circumferentially.

[0058] In this embodiment, the beam collimator displacement module 201 has translational degrees of freedom in the X, Y, and Z directions. The X direction, i.e., the longitudinal direction of the device, is used to control the beam collimator 502 to enter the preset position of the laser housing 501, and to perform longitudinal searching during optical power coupling. The Y and Z directions are mainly used for planar searching on a plane perpendicular to the beam collimator 502 during optical power coupling, which can meet the entry and coupling requirements of the beam collimator 502.

[0059] In this embodiment, the chuck control mechanism includes a universal wheel axle 208, a pull rod 209, and a pull rod cylinder 210, etc. The end of the chuck 205 is fixed to the first end of the chuck connecting rod 211, and the first end of the chuck connecting rod 211 is hinged to the rotating clamp seat 203. The universal wheel axle 208 is hinged to the second end of the chuck connecting rod 211. Therefore, the position change of the universal wheel axle 208 can drive the chuck connecting rod 211 and the end of the chuck 205 to rotate around the hinge point, so that the front ends of the two oppositely arranged chucks 205 form an opening and closing action, clamping or releasing the beam collimator 502.

[0060] The position of the universal wheel axle 208 is controlled by the pull rod 209. Specifically, the universal wheel axle 208 is located at the first end of the pull rod 209, and the second end of the pull rod 209 is connected to the pull rod cylinder 210. Therefore, the extension and retraction position of the pull rod cylinder 210 can control the opening and closing of the clamp 205. At the same time, when the clamp 205 clamps the beam collimator 502, the clamping state is maintained by the air pressure of the pull rod cylinder 210, and there will be no loosening or displacement that affects the coupling accuracy.

[0061] It should be noted that in this embodiment, the pull rod cylinder 210 is fixed to the back of the fixed clamp seat 202 for easy arrangement, while the rotating clamp seat 203, the chuck 205, etc., are located on the front of the fixed clamp seat 202, making the weight on both sides of the fixed clamp seat 202 more balanced. The rotating clamp seat 203 is connected to the hollow sleeve 212, and the pull rod 209 passes through the hollow sleeve 212, thus reliably transmitting the extension and retraction position of the pull rod cylinder 210 and the air pressure to the chuck 205. In this embodiment, the rotating clamp seat 203, the hollow sleeve 212, the pull rod cylinder 210, etc., are connected as a single unit. A driven synchronous pulley is fitted on the hollow sleeve 212, and the rotary drive motor 206 drives the entire hollow sleeve 212 to rotate through the active synchronous pulley and synchronous belt. The hollow sleeve 212 is simultaneously supported by the bearing 204 on the fixed clamp seat 202, improving the overall rotational stability.

[0062] In this embodiment, the optical power coupling detection component 300 includes an integrating sphere 301 and an electric aperture 302. The integrating sphere 301 is connected to an integrating sphere displacement module 303, which adjusts the position of the integrating sphere 301 initially, aligning it with the electric aperture 302. The beam collimator 502 is in the form of an optical fiber, with its end outlet extending from the clamp 205 and connected to the electric aperture 302, thus serving as a fixed point for the beam collimator 502's outlet. The electric aperture 302 is connected to a front-to-back adjustment module 304, which adjusts the distance between the electric aperture 302 and the integrating sphere 301 to adjust the beam spot size during optical power coupling.

[0063] At the same time, such as Figure 7 As shown, in this embodiment, the dispensing curing assembly 400 includes a dispensing curing mounting base 401, which is connected to a dispensing curing displacement module 402. The dispensing curing displacement module 402 is used to drive the dispensing curing mounting base 401 to translate. Specifically, the dispensing curing displacement module 402 has translational degrees of freedom in the X, Y, and Z directions. The Y and Z translational degrees of freedom are used to control the dispensing curing position on the plane perpendicular to the beam collimator 502, while the X direction is used to adjust the longitudinal position of the dispensing curing.

[0064] The dispensing curing mounting base 401 is equipped with a dispensing front and rear displacement module 403, which is connected to the dispensing head 404. The dispensing front and rear displacement module 403 is used to control the advance and return of the dispensing head 404, so that the dispensing head 404 is close to the dispensing position after advancing and dispensing, and avoids interfering with subsequent curing and other actions after returning.

[0065] Meanwhile, after the beam collimator 502 is loaded, the connecting ring 503 is sleeved on it, and its position is not fixed. When the beam collimator 502 moves to the initial coupling position, there may be a gap between the connecting ring 503 and the laser housing 501, so it needs to be moved to fit against the laser housing 501. In this embodiment, the end of the dispensing head 404 is provided with a feeding part 405, which is used to move the connecting ring 503, so that the connecting ring 503 is displaced along the beam collimator until it fits against the laser housing 501.

[0066] The first end of the connecting ring 503 that is attached to the laser housing 501 is the first dispensing position 505, and the second end of the connecting ring that is aligned with the beam collimator 502 is the second dispensing position 506. Therefore, after the dispensing head 404 completes the annular dispensing at the first dispensing position 505, it can be directly controlled to move to the second end of the connecting ring 503. The dispensing curing displacement module 402 controls the dispensing head 404 to move along the X direction, so that the first end of the connecting ring 503 is attached to the laser housing 501. After it is in position, the dispensing head 404 is exactly located at the second dispensing position 506. Therefore, circumferential dispensing can be performed directly at the second dispensing position 506 without readjusting the position. This ensures the accurate position of the connecting ring 503, simplifies the motion design, and improves the work efficiency.

[0067] It should be noted that the feeding part 405 can be the end structure of the dispensing head 404, or it can be an added sleeve, etc., as long as the strength of the dispensing head 404 can be guaranteed so that it will not deform during the feeding process and affect the dispensing accuracy.

[0068] In this embodiment, the dispensing curing mounting base 401 is also provided with a curing front and back displacement module 406. The curing front and back displacement module 406 is connected to the UV curing lamp 407. Similar to the dispensing front and back displacement module 403, it is used to control the advance and return of the UV curing lamp 407, so that the UV curing lamp 407 is close to the dispensing position after advancing and UV curing, and avoids interfering with subsequent feeding actions after returning.

[0069] Based on the same inventive concept, this embodiment also provides an automatic coupling and packaging method for a beam collimator, which specifically includes the following steps:

[0070] S1, the laser tube housing 501 with laser chip 504 is fixed in the preset position of the laser clamp assembly 100, and after adsorption, spring clamping and power-on, water cooling is turned on for heat dissipation. At the same time, the beam collimator 503 is placed in the beam collimator clamp assembly 200 and clamped by the pull rod cylinder 210.

[0071] S2, the beam collimator 503 moves under the drive of the beam collimator clamp assembly until the beam collimator 503 is in a preset position inside the laser tube housing 501. This position is the initial position of the beam collimator 502 coupling and is saved to the database by the host computer software.

[0072] S3, coupling begins. The optical power coupling detection component 300 detects the optical power and confirms the coupling accuracy of the beam collimator 502. The laser fixture component 100 adjusts the laser housing 501 to ensure that the coupling accuracy meets the requirements.

[0073] S4. After the coupling accuracy meets the standard, glue can be applied and cured. The glue dispensing head 404 moves to the first glue dispensing position 505 and dispenses glue. At the same time, the beam collimator 502 rotates one revolution (360 degrees) under the action of the beam collimator clamp assembly 200, so that the first glue dispensing position 505 is evenly coated with glue for one revolution.

[0074] S5, the dispensing head 404 moves to the second dispensing position 506 of the connecting ring 503 and moves the connecting ring 503 to make it contact the laser tube shell 501, and then starts dispensing. The beam collimator 502 rotates one revolution under the action of the beam collimator clamp assembly 200, so that the second dispensing position 506 is evenly coated with glue for one revolution. Thus, after the dispensing head 404 completes the annular dispensing at the first dispensing position 505, it can be directly controlled to move to the second end of the connecting ring 503. The dispensing curing displacement module 402 controls the dispensing head 404 to move along the X direction, so that the first end of the connecting ring 503 is in contact with the laser tube shell 501. After it is in place, the dispensing head 404 is exactly located at the second dispensing position 506. Therefore, circumferential dispensing can be performed directly at the second dispensing position 506 without readjusting the position. This ensures the accurate position of the connecting ring 503, simplifies the action design, and improves the work efficiency.

[0075] S6, the dispensing head 404 moves to the third dispensing position 507 to dispense adhesive, and at the same time the beam collimator 502 rotates one revolution under the action of the beam collimator clamp assembly 200, so that the first dispensing position 505 is evenly coated with adhesive for one revolution.

[0076] It should be noted that the third adhesive application point 507 is the connection point where the beam collimator 502 passes through the mounting hole of the laser housing 501 and is located inside the laser housing 501. It is also sealed by adhesive curing to further improve the reliability of the connection.

[0077] S7: UV curing is performed on the three dispensing sites for a certain period of time to complete the coupling and encapsulation of the device. The fixtures are then released and retracted, ready for the encapsulation of the next device.

[0078] In this embodiment, the S3 optical power coupling specifically includes the following sub-steps:

[0079] S31, the electric aperture 302 moves to the position closest to the integrating sphere 301. At this time, the integrating sphere 301 can receive the maximum optical power from the beam collimator 502. After the laser chip 504 is powered on, the beam collimator clamp assembly 200 moves simultaneously along the Y and Z directions to perform a power search (referred to as plane search) on the plane perpendicular to the beam collimator 502 until the power on the plane is maximum, that is, on the plane, the beam collimator 502 is in the optimal position relative to the laser tube housing 501.

[0080] S32, the electric aperture 302 moves away from the integrating sphere 301. At this time, the power received by the integrating sphere 301 decreases as the distance increases until the power received by the integrating sphere 301 decreases to a specified size. The size of the light spot is limited by software settings to facilitate the next coupling action.

[0081] S33, the laser fixture assembly 100 adjusts the direction angle and pitch angle of the laser housing 501 relative to the beam collimator 502 until the angle is optimal and the power is relatively maximum (referred to as angle search). Subsequently, the beam collimator fixture 200 assembly moves along the X direction to obtain the maximum power along the direction of the beam collimator 502 (referred to as longitudinal search).

[0082] S34, repeat S31-S33 until the power is maximum (as long as the coupling requirements are met).

[0083] In this way, the beam collimator 502 can be reliably and efficiently coupled to the laser housing 501, and the coupling accuracy meets the requirements.

[0084] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An automatic coupling and packaging device for a beam collimator, characterized in that, The system includes a laser clamping assembly, a beam collimator clamping assembly, an optical power coupling detection assembly, and a dispensing and curing assembly. The laser clamping assembly is used to clamp and position the laser housing and power it on. The beam collimator clamping assembly is used to clamp the beam collimator and couple it to a preset position on the laser housing. The beam collimator is pre-fitted with a connecting ring, which is used to connect the beam collimator to the laser housing. The optical power coupling detection assembly is used to detect the coupling power and confirm the coupling accuracy. The dispensing and curing assembly is used to dispense and cure adhesive at the coupling position and simultaneously adjust the position of the connecting ring. The beam collimator clamp assembly includes a beam collimator displacement module and a beam collimator clamp disposed on the beam collimator displacement module. The beam collimator clamp includes a clamping part and a rotation driving part. The clamping part is used to clamp the beam collimator, and the rotation driving part is used to drive the clamping part to rotate and adjust the angle. The beam collimator displacement module is used to adjust the position of the beam collimator clamp. The dispensing curing assembly includes a dispensing curing mounting base, which is connected to a dispensing curing displacement module. The dispensing curing displacement module is used to drive the dispensing curing mounting base to translate. The dispensing curing mounting base is provided with a dispensing front-to-back displacement module, which is connected to a dispensing head. The dispensing front-to-back displacement module is used to control the advance and return of the dispensing head. The end of the dispensing head is provided with a feeding part, which is used to move the connecting ring. The automatic coupling and packaging equipment for the beam collimator employs an automatic coupling and packaging method for the beam collimator, comprising the following steps: S1, Fix the laser tube housing with the laser chip in the preset position of the laser clamp assembly, and place the beam collimator in the beam collimator clamp assembly and clamp it. S2, the beam collimator moves under the drive of the beam collimator clamp assembly until the beam collimator is in a preset position inside the laser tube housing; S3, the optical power coupling detection component detects the optical power and confirms the coupling accuracy of the beam collimator. The laser fixture assembly adjusts the laser tube shell to ensure that the coupling accuracy meets the requirements. S4, the dispensing and curing assembly moves to the first dispensing position to dispense adhesive, and at the same time the beam collimator rotates one revolution under the action of the beam collimator clamp assembly, so that the first dispensing position is evenly coated with adhesive for one revolution; the first end of the connecting ring that is attached to the laser tube shell is the first dispensing position. S5, the dispensing and curing assembly moves to the second dispensing position of the connecting ring and moves the connecting ring so that the connecting ring contacts the laser tube shell, and then the dispensing begins. The beam collimator rotates one revolution under the action of the beam collimator clamping assembly, so that the second dispensing position is evenly coated with glue for one revolution; the position where the second end of the connecting ring aligns with the beam collimator is the second dispensing position. S6, the dispensing and curing assembly moves to the third dispensing position to dispense adhesive, and at the same time the beam collimator rotates one revolution under the action of the beam collimator clamping assembly, so that the adhesive is evenly applied to the third dispensing position; the third dispensing position is the connection position of the beam collimator passing through the laser tube housing mounting hole and located inside the laser tube housing. S7, UV curing is performed on the dispensing site for a certain period of time to complete the coupling and encapsulation of the device.

2. The automatic coupling and packaging device for a beam collimator according to claim 1, characterized in that, The laser fixture assembly includes a laser fixture base and a laser fixture adjustment module. The laser fixture adjustment module is used to adjust the orientation angle and pitch angle of the laser fixture base. The laser fixture base has a positioning groove corresponding to the laser tube shell. The bottom surface of the positioning groove is provided with adsorption holes, which are used to generate negative pressure to adsorb the laser tube shell. Laser pressure plates are arranged on both sides of the positioning groove. The laser pressure plates generate elastic clamping force through the spring in the spring hole of the pressure plate, and can be opened by operating the handle. The laser fixture is provided with a water-cooling channel, which is used to form a water-cooling circuit to dissipate heat from the laser tube shell. The laser fixture displacement module includes an angle rotation slide and a pitch adjustment slide. The laser fixture base is disposed on the angle rotation slide, and the angle rotation slide is disposed on the pitch adjustment slide.

3. The automatic coupling and packaging device for a beam collimator according to claim 1, characterized in that, The clamping part includes a fixed clamping seat and a rotating clamping seat. The fixed clamping seat rotatably supports the rotating clamping seat through a bearing. A pair of chucks are provided at the end of the rotating clamping seat. The opening and closing of the chucks are controlled by a chuck control mechanism. The rotary drive unit includes a rotary drive motor, which is connected to the rotary clamp seat via a synchronous belt transmission mechanism. The beam collimator displacement module has translational degrees of freedom in the X, Y, and Z directions.

4. The automatic coupling and packaging device for a beam collimator according to claim 3, characterized in that, The end of the chuck is connected to the first end of the chuck connecting rod, and the first end of the chuck connecting rod is hinged to the rotary clamp seat. The chuck control mechanism includes a universal wheel axle, a pull rod, and a pull rod cylinder. The universal wheel axle is hinged to the second end of the chuck connecting rod, the universal wheel axle is located at the first end of the pull rod, and the second end of the pull rod is connected to the pull rod cylinder. The pull rod cylinder is fixed on the fixed clamp seat, the rotating clamp seat is connected to the hollow sleeve, and the pull rod passes through the hollow sleeve.

5. The automatic coupling and packaging device for a beam collimator according to claim 1, characterized in that, The optical power coupling detection component includes an integrating sphere and an electric aperture. The integrating sphere is connected to an integrating sphere displacement module, which is used to adjust the position of the integrating sphere. The light outlet of the beam collimator is connected to the electric aperture, which is connected to a front-to-back adjustment module, which is used to adjust the distance between the electric aperture and the integrating sphere.

6. The automatic coupling and packaging device for a beam collimator according to claim 1, characterized in that, The dispensing and curing mounting base is also equipped with a pre- and post-curing displacement module, which is connected to the UV curing lamp and is used to control the advance and return of the UV curing lamp.

7. The automatic coupling and packaging device for a beam collimator according to claim 6, characterized in that, S3 specifically includes the following sub-steps: S31, the electric aperture moves to the position closest to the integrating sphere. After the laser chip is powered on, the beam collimator clamp assembly moves simultaneously along the Y and Z directions to perform a power search on the plane perpendicular to the beam collimator until the power on the plane is maximum. S32, the electric aperture moves away from the integrating sphere. At this time, the power received by the integrating sphere decreases as the distance increases, until the power received by the integrating sphere decreases to a specified value. S33, the laser fixture assembly adjusts the direction angle and pitch angle of the laser tube shell relative to the beam collimator until the angle is optimal and the power is relatively maximum. Then, the beam collimator fixture assembly moves along the X direction to obtain the maximum power along the beam collimator direction. S34, repeat S31-S33 until maximum power is achieved.

Images