CN218213521U - Semi-automatic optical coupling device - Google Patents

Abstract

The utility model discloses a semi-automatic optical coupling device, which comprises a device coupling platform, a residual liquid dispensing device, a vacuum gas circuit and a UV curing device; the device coupling platform comprises a six-axis precise piezoelectric platform and a clamp platform, wherein an adsorption hole is formed in the center of the top of the six-axis precise piezoelectric platform and is communicated with the vacuum gas path; the residual liquid dispensing device comprises a dispensing displacement platform and a dispensing needle head, wherein the dispensing needle head is fixed on the dispensing displacement platform; the UV curing device comprises a UV lamp, and the UV lamp is arranged on one side of the top of the six-axis precise piezoelectric platform. The utility model has the advantages of the device integrated level is high, the operation is simple and easy reliable and the coupling quality is high, efficient.

Description

Semi-automatic optical coupling device

Technical Field

The utility model relates to an optics product coupling equipment technical field specifically is a semi-automatic optical coupling device.

Background

The most important of the existing optical products is coupling, namely, the optical elements are fixed and finely adjusted through a multidirectional differential shaft and a clamp, and then the optical elements are fixed to a proper position through dispensing or welding so as to realize light path alignment and device work; although the existing optical coupling structure can realize the optical coupling under specific conditions, the coupling process requires a lot of time and human factors, and the coupling system is unstable; the manual coupling is adopted, the engineering is large, the consumed time is long, the optimal coupling site cannot be found, the coupling quality is poor, the efficiency is low, and the yield of products cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the participation that current coupling process needs a large amount of time and human factor, the unstable problem of coupled system provides a semi-automatic optical coupling device, can realize optical chip's semi-automatization and aim at for coupling end accurate positioning is back on the best space coupling point location, carries out the point and glues the solidification.

In order to achieve the above object, the utility model provides a following technical scheme:

a semi-automatic optical coupling device comprises a device coupling platform, a residual liquid dispensing device, a vacuum gas circuit and a UV curing device; the device coupling platform comprises a six-axis precise piezoelectric platform and a clamp platform, wherein an adsorption hole is formed in the center of the top of the six-axis precise piezoelectric platform and is communicated with a vacuum gas path; the residual liquid dispensing device comprises a dispensing displacement platform and a dispensing needle head, wherein the dispensing needle head is fixed on the dispensing displacement platform; the UV curing device comprises a UV lamp, and the UV lamp is arranged on one side of the top of the six-axis precise piezoelectric platform.

The device is used for coupling an optical coupling chip and an optical element (such as an optical fiber coupling end) and adjusting to an optimal coupling point, then using ultraviolet glue with adaptive refractive index to probe into a point to be coupled through a liquid-remaining glue dispensing needle head, dispensing a coupling device, and curing by using a UV lamp after dispensing; the UV lamp switch is controlled wirelessly, so that the influence of the vibration change of the mechanical switch on the coupling state can be effectively avoided.

As the preferred scheme of the utility model, the adsorption hole include a plurality of air vents of align to grid. The adsorption hole of the scheme consists of a plurality of tiny vent holes, and can be suitable for bearing optical coupling chips with different sizes and carrying out vacuum adsorption on the optical coupling chips.

As the utility model discloses preferred scheme, accurate piezoelectric platform of six axles include three linear motion axle, three rotational motion axle, accurate piezoelectric platform of six axles be the electricity drive displacement. The six-Axis precise piezoelectric platform adopts the existing products, such as PI H-811. S2-Axis Motion Hexapod six-Axis piezoelectric platform, is a six-freedom-degree high-precision nanometer positioning system, and comprises six Motion axes, three of which are linear and three of which are rotary; the six-degree-of-freedom parallel motion design is more compact and more rigid than a series motion system, the dynamic range is larger, the six-degree-of-freedom parallel motion system is more stable and has less friction, the linear stroke can reach +/-17 mm, the rotation deflection angle can reach +/-21 degrees, the lowest linear motion length is 0.1 mu m, and the lowest rotation angle is 0.0001 deg.

As the preferred scheme of the utility model, three-dimensional centre gripping displacement platform include lift displacement device, X to differential axle device, Y to differential axle device. The three-dimensional clamping displacement platform can also adopt the existing products, such as a THORLABS NanoMax 300 three-axis precise nano moving platform, and can precisely control the clamp fixed on the platform to move back and forth, so that the alignment of the optical fiber and the chip is convenient; the X-direction differential shaft device and the Y-direction differential shaft device are fixed on the lifting displacement device, the X-direction differential shaft device is fixed on the Y-direction differential shaft device, and the clamp is fixed on the X-direction differential shaft device.

As the utility model discloses preferred scheme, optical element press from both sides the groove for having the square groove at vertical inclination, square groove axis and vertical line between the inclination be 8. The optical element clamping groove is used for clamping an optical element such as an optical fiber coupling end, an input optical fiber is fixed by using an 8-degree coupling end clamp, the center of the clamping groove is provided with a clamping adsorption hole communicated with a vacuum gas circuit and used for adsorbing the optical fiber coupling end through negative pressure, the clamping groove is provided with a square groove with a vertical inclination angle, and the clamping groove has the advantages that the clamping groove can be matched with the shape of the optical element, and the clamping is convenient.

As the utility model discloses preferred scheme, point glue displacement platform including take displacement drive's fixing base, locate second X on the fixing base to differential axle device, second Y to the differential axle device. The second X-direction differential shaft device and the second Y-direction differential shaft device are fixed on the fixing seat, the second X-direction differential shaft device is fixed on the second Y-direction differential shaft device, and the dispensing needle head is fixed on the second X-direction differential shaft device.

After the optimal coupling position is found, the performance of the device is tested, then the optical element (the device and the optical fiber coupling end) is integrally packaged by using UV glue, the relative spatial position of the optical element is fixed by using ultraviolet glue with adaptive refractive index through a liquid-losing glue dispensing device, and the liquid-losing needle head can be replaced to adapt to different liquid-feeding requirements; during encapsulation, the point is glued and will be in the device outward flange, avoids UV to glue as far as possible and enters into the coupling region, influences the device performance, through the automatically controlled liquid adhesive deposite device of losing of some glue displacement platform, realizes losing the accurate position ration of visiting into the liquid that needs to be lost of liquid needle and loses liquid for later stage UV solidification, can effectively avoid some glue to glue and enter into the coupling region and some glue processes and take place vibrations, collision change coupling state, influence the device performance to UV glue.

Compared with the prior art, the beneficial effects of the utility model are that: the semi-automatic alignment of the optical chip can be realized, so that the adhesive dispensing and curing are carried out after the coupling end is accurately positioned on the optimal space coupling point position, the problems that the integration level of the existing coupling mechanism is not high, the human factors participate in a large amount and the like are solved, and the optical chip alignment device has the advantages of high integration level, simplicity and reliability in operation, high coupling quality and high efficiency.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic front view of the device coupling platform of the present invention.

In the figure: 1. device coupling platform 2, fluid-losing dispensing device 3 and vacuum gas circuit

4. UV curing device 5, six accurate piezoelectric platform 6, anchor clamps platforms

7. Three-way clamping displacement platform 8, clamp 9 and optical element clamping groove

10. Dispensing displacement platform 11, dispensing needle head 12 and lifting displacement device

13. X-direction differential shaft device 14, Y-direction differential shaft device 15 and fixing seat

16. A second X-axis differential shaft device 17 and a second Y-axis differential shaft device.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the terms herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the use of the term "and/or" herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, the present invention provides a technical solution:

a semi-automatic optical coupling device comprises a device coupling platform 1, a residual liquid dispensing device 2, a vacuum gas circuit 3 and a UV curing device 4; the device coupling platform 1 comprises a six-axis precise piezoelectric platform 5 and a clamp platform 6, wherein an adsorption hole is formed in the center of the top of the six-axis precise piezoelectric platform 5 and is communicated with the vacuum gas path 3, the clamp platform 6 comprises a three-way clamping displacement platform 7 and a clamp 8, the clamp 8 is fixed on the three-way displacement platform 7, the clamp 8 is provided with an optical element clamping groove 9, a clamping adsorption hole is formed in the optical element clamping groove 9, and the clamping adsorption hole is communicated with the vacuum gas path 3; the residual liquid dispensing device 2 comprises a dispensing displacement platform 10 and a dispensing needle head 11, and the dispensing needle head is fixed on the dispensing displacement platform 10; UV curing device 4 includes the UV lamp, and the UV lamp is located six accurate piezoelectric platform 5 top one sides.

The adsorption holes (not shown in the drawings) include a plurality of vent holes arranged uniformly.

The six-axis precise piezoelectric platform 5 comprises three linear motion axes and three rotary motion axes, and the six-axis precise piezoelectric platform 5 is electrically driven to displace.

The three-way clamping displacement platform 7 comprises a lifting displacement device 12, an X-direction differential shaft device 13 and a Y-direction differential shaft device 14.

The optical element clamping groove 9 is a square groove with a vertical dip angle, and the dip angle between the central axis of the square groove and the vertical line is 8 degrees.

The dispensing displacement platform 10 includes a fixed base 15 with displacement drive, a second X-direction differential axis device 16 and a second Y-direction differential axis device 17 disposed on the fixed base 15.

The utility model discloses work flow: the optical elements, namely the chip and the coupling end, are fixed on the six-axis precise piezoelectric platform 5 and the optical element clamping groove 9 of the clamp 8 through the vacuum air path 3 in a negative pressure adsorption manner, so that the stability of the coupling process of the chip and the coupling end is ensured;

for the judgment of the optimal coupling position, the judgment of the optimal coupling position can be realized by the six-axis linkage of the six-axis precise piezoelectric platform 5, including three-axis displacement and three-axis rotation, used for precise alignment between optical elements and connecting a circuit, and after measuring the output voltage, calculating the output voltage by an algorithm and converting the light-transmitting efficiency;

after finding the optimal coupling position, testing the performance of the device, then using a residual liquid dispensing device 2 to convey UV glue to integrally package an optical element (the device and an optical fiber coupling end), using ultraviolet glue with adaptive refractive index to fix the relative spatial position of the optical element, and replacing a residual liquid dispensing needle head 11 to adapt to different residual liquid feeding requirements;

during packaging, dispensing is carried out on the outer edge of the device, UV glue is prevented from entering a coupling area as much as possible to affect the performance of the device, the glue dispensing displacement platform 10 moves in an electric control mode, the glue dispensing needle 11 of the residual liquid can accurately probe into a position point needing the residual liquid to quantitatively retain the residual liquid for later UV curing, and the phenomenon that the UV glue enters the coupling area due to dispensing, vibration and collision are caused in the process of dispensing to change the coupling state, and the performance of the device is affected can be effectively avoided;

and finally, the UV light curing of the UV glue is realized by turning on the UV lamp of the UV curing device 4, and the optical element is integrally packaged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A semi-automatic optical coupling device, comprising: the device comprises a device coupling platform, a residual liquid dispensing device, a vacuum air passage and a UV curing device;

the device coupling platform comprises a six-axis precise piezoelectric platform and a clamp platform, wherein an adsorption hole is formed in the center of the top of the six-axis precise piezoelectric platform and is communicated with a vacuum gas path;

the residual liquid dispensing device comprises a dispensing displacement platform and a dispensing needle head, wherein the dispensing needle head is fixed on the dispensing displacement platform;

the UV curing device comprises a UV lamp, wherein the UV lamp is arranged on one side of the top of the six-axis precise piezoelectric platform.

2. A semi-automatic optical coupling device according to claim 1, wherein: the adsorption holes comprise a plurality of vent holes which are uniformly arranged.

3. A semi-automatic optical coupling device according to claim 1, wherein: the six-axis precise piezoelectric platform comprises three linear motion axes and three rotary motion axes, and is electrically driven to displace.

4. A semi-automatic optical coupling device according to claim 1, wherein: the three-way clamping displacement platform comprises a lifting displacement device, an X-direction differential shaft device and a Y-direction differential shaft device.

5. A semi-automatic optical coupling device according to claim 1, wherein: the optical element clamping groove is a square groove with a vertical dip angle, and the dip angle between the central axis of the square groove and the vertical line is 8 degrees.

6. A semi-automatic optical coupling device according to claim 1, wherein: the dispensing displacement platform comprises a fixed seat with displacement drive, a second X-direction differential axis device and a second Y-direction differential axis device which are arranged on the fixed seat.

Images