CN219284479U - Wave plate support assembly equipment - Google Patents

Abstract

The utility model provides a wave plate support assembly equipment, includes analyzer unit, locates laser unit, mount table and the observation billboard directly over the analyzer unit, and the mount table is located between analyzer unit and the laser unit, and analyzer unit and observation billboard are located same level. In the utility model, the wave plate bracket is placed on the mounting table by arranging the laser unit, the polarization analyzer unit, the observation plate and the mounting table, and the laser light source irradiates the observation plate after sequentially passing through the wave plate bracket, the mounting table and the polarization analyzer unit, when extinction occurs on a light spot on the observation plate, the optical axis of the wave plate is indicated to be parallel, so that the parallelism between the optical axis of the wave plate and the wave plate bracket is smaller than 1 degree, the wave plate bracket assembling equipment has the advantages of simple structure, convenient operation and high assembling precision, thereby effectively improving the assembling efficiency of the wave plate bracket, and being suitable for rapid assembling of wave plates in batch production.

Description

Wave plate support assembly equipment

Technical Field

The utility model relates to the field of polarized optics, in particular to wave plate bracket assembly equipment.

Background

Wave plates, also called phase retardation devices, are important components of polarized optics. The lower the number of wave plate stages, the better the performance in all aspects, and the true zero-order wave plate has the advantages of wide receiving angle, high delay precision, long receiving bandwidth, high damage threshold, small influence of temperature change and the like. But thinner waveplates are more prone to breakage during use, so brackets are typically installed to protect the waveplates. The optical axis of the wave plate is often different from the optical axis parallelism of the second scribing groove when the support is commonly installed, so that the wave plate is very inconvenient to assemble and use according to the second scribing groove, and the ideal effect can be achieved only by repeated debugging of the wave plate.

Ordinary wave plate support assembly: a platform mark optical axis is arranged at the optical axis of the wave plate, after the wave plate is placed into the bracket during assembly, the position of the adjusting platform is visually checked to be vertical to the scribing line, and then dispensing assembly is carried out, because the error of the platform mark of the wave plate is 2-3 degrees, the visual error of 2-5 degrees can be generated during visual checking assembly, the whole assembly precision is generally 3-8 degrees, and the large error often causes that the subsequent wave plate can be used after repeated debugging when the wave plate is used, so that the working efficiency is greatly influenced.

The wave plate is assembled in a combined mode of the ellipsometer and the rotating bracket, and although the same assembly precision effect can be achieved, on one hand, the ellipsometer is high in price, the wave plate is put into the rotating bracket and then put into the ellipsometer for measurement, and the wave plate is not taken out again, and then is adjusted for measurement again, so that a large amount of time is required for testing; on the other hand, the ellipsometer can not be directly placed into an assembly workbench for operation, so that the assembly efficiency is greatly influenced, the output is greatly influenced on mass production products, and the efficiency is low.

Disclosure of Invention

The utility model provides wave plate support assembling equipment, which mainly aims to overcome the defect of large assembling error in the assembling process of the existing wave plate support.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a wave plate support assembly equipment, includes at least a frame, at least one locate analyzer unit in the frame, at least one locate the laser unit directly over the analyzer unit, at least one mount pad and at least one locate the observation billboard of analyzer unit one side, the mount pad is located the analyzer unit with between the laser unit, the analyzer unit with the observation billboard is located same horizontal height, and this wave plate support detachably installs on the mount pad, the laser unit launches a laser source, works as the laser source passes in proper order the wave plate support the mount pad with after the analyzer unit, the laser source shines on the observation billboard.

Further, the laser unit comprises at least one laser emitter arranged on the frame, at least one polarizer arranged below the laser emitter and at least one rotary fixing support, wherein the polarizer is arranged on the rotary fixing support, the rotary fixing support is used for adjusting the position of the polarizer, and the polarizer and the laser emitter are positioned on the same vertical axis.

Further, the mount includes at least one and is used for placing the installation base of wave plate support, a plurality of locating first score line groove on the installation base upper surface and at least one is located first through-hole on the installation base middle part, first through-hole by extend down on the upper surface of installation base to on the lower surface of installation base, laser source passes first through-hole orientation analyzer unit direction extends, first score line groove is used for adjusting the position of wave plate support on the installation base is in wave plate support detachably places on the installation base, first score line groove with the laser unit is located same vertically axis.

Further, the wave plate support comprises a support body, a wave plate mounting groove arranged on the support body and used for mounting the wave plate body, and a plurality of second scribing grooves arranged at the bottom of the support body, the second scribing grooves are arranged on the first scribing grooves in a superposition mode, and the laser light source sequentially penetrates through the wave plate body and the first through hole.

Further, the polarization analyzer unit comprises at least one polarization splitting prism with high extinction ratio and high perpendicularity and at least one second fixing support arranged on the frame, the second fixing support is used for installing the polarization splitting prism, so that an incident port of the polarization splitting prism and the bottom of the first through hole are located on the same vertical axis, an emergent port of the polarization splitting prism and the observation board are relatively arranged in parallel, and after the laser source is emitted into the polarization splitting prism from the incident port, the laser source is emitted towards the direction of the observation board through the emergent port.

Further, the included angle between the incident port and the emergent port is 90 degrees.

Compared with the prior art, the utility model has the beneficial effects that:

the device has a simple structure and strong practicability, the laser light source irradiates the observation board after sequentially penetrating through the wave plate support, the mounting table and the analyzer unit by arranging the laser light source, the analyzer unit, the observation board and the mounting table, and when light spots on the observation board are extinction, the optical axes of the wave plates are parallel, so that the parallelism between the optical axes of the wave plates and the wave plate support is smaller than 1 degree, the wave plate support assembling device has the advantages of simple structure, convenience in operation and high assembling precision, thereby effectively improving the assembling efficiency of the wave plate support, and being suitable for rapid assembling of wave plates in batch production.

According to the utility model, the first scribing groove and the second scribing groove are arranged, so that the bracket bodies are aligned and fixed on the mounting base conveniently, the positions of each bracket body arranged on the mounting base are the same, standardized assembly is realized, and assembly errors are reduced.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural diagram of the first embodiment.

Fig. 3 is a schematic structural diagram of a second embodiment.

Fig. 4 is an exploded view of the fixing base in the second embodiment.

Fig. 5 is a schematic structural view of the first locking member.

Fig. 6 is a schematic structural diagram of the second locking member.

Description of the embodiments

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings.

First embodiment referring to fig. 1 and 2, a wave plate support assembly apparatus includes at least one frame 10, at least one analyzer unit 2 disposed on the frame 10, at least one laser unit 1 disposed directly above the analyzer unit 2, at least one mounting table 4, and at least one viewing board 3 disposed on one side of the analyzer unit 2.

Referring to fig. 1 and 2, the mount 4 is disposed between the analyzer unit 2 and the laser unit 1, the analyzer unit 2 and the viewing board 3 are positioned at the same level, the wave plate holder 6 is detachably mounted on the mount 4, the laser unit 1 emits a laser light source 11, and after the laser light source 11 passes through the wave plate holder 6, the mount 4 and the analyzer unit 2 in order, the laser light source 11 irradiates the viewing board 3.

Referring to fig. 1 and 2, by setting the laser unit 1, the analyzer unit 2, the observation board and the mounting table 4, the wave plate support 6 is placed on the mounting table 4, and after the laser light source 11 sequentially passes through the wave plate support 6, the mounting table 4 and the analyzer unit 2, the laser light source 11 irradiates on the observation board 3, when a light spot on the observation board 3 is extinction, the optical axis of the wave plate is described to be parallel, so that the parallelism between the optical axis of the wave plate and the wave plate support 6 is less than 1 °, the wave plate support 6 assembling device has the advantages of simple structure, convenient operation and high assembling precision, and is suitable for rapid assembly of the wave plate in batch production.

Referring to fig. 1 and 2, the laser unit 1 includes at least one laser transmitter 12 mounted on a frame 10, a first fixing bracket 13 for fixedly mounting the laser transmitter 12 on the frame 10, at least one polarizer 14 disposed under the laser transmitter 12, and at least one rotation fixing bracket 15.

Referring to fig. 2 and 1, the polarizer 14 is mounted on one end of a rotation fixing bracket 15, the other end of the rotation fixing bracket 15 is mounted on the frame 10, the rotation fixing bracket 15 is used for adjusting the angle of the polarizer 14, and the polarizer 14 and the laser transmitter 12 are located on the same vertical axis.

Referring to fig. 1 and 2, the polarizer 14 is adjusted by providing a rotation fixing bracket 15 so that the position of the polarizer 14 satisfies the demands under different conditions.

Referring to fig. 1 and 2, the mounting stage 4 includes at least one mounting base 41 for placing the wave plate holder 6, a plurality of first scribing grooves 42 provided on an upper surface of the mounting base 41, and at least one first through hole 43 provided on a middle portion of the mounting base 41. In addition, the mounting base 41 may be made of a transparent material, so as to facilitate observation of the laser light source 11.

Referring to fig. 1 and 2, the first through hole 43 extends downward from the upper surface of the mounting base 41 to the lower surface of the mounting base 41, the laser light source 11 extends toward the analyzer unit 2 through the first through hole 43, the first score line groove 42 is used to adjust the position of the wave plate holder 6 on the mounting base 41 so that the wave plate holder 6 is detachably placed on the mounting base 41, and the first score line groove 42 is located on the same vertical axis as the laser unit 1. The laser light source 11 may be a red light, a green light or a light source for facilitating detection.

Referring to fig. 1 and 2, the wave plate bracket 6 includes a bracket body 61, a wave plate body 62, a wave plate mounting groove 63 provided on the bracket body 61 for mounting the wave plate body 62, and a plurality of second scribing grooves 64 provided at the bottom of the bracket body 61.

Referring to fig. 1 and 2, the second scribing groove 64 is disposed to overlap the first scribing groove 42, and the laser light source 11 sequentially passes through the wave plate body 62 and the first through hole 43.

Referring to fig. 1 and 2, by providing the first score line groove 42 and the second score line groove 64, the first score line groove 6461 is conveniently aligned and fixed on the mounting base 41, so that the positions of each first score line groove 6461 installed on the mounting base 41 are the same, standardized assembly is realized, and assembly errors are reduced.

Referring to fig. 1 and 2, the analyzer unit 2 includes at least one polarization splitting prism 21 for splitting light with high extinction ratio and high perpendicularity, and at least one second fixing bracket 22 provided on the frame 10.

Referring to fig. 1 and 2, the second fixing bracket 22 is used for installing the polarization splitting prism 21, so that the incident port 23 of the polarization splitting prism 21 and the bottom of the first through hole 43 are located on the same vertical axis, the exit port 24 of the polarization splitting prism 21 is relatively parallel to the viewing board 3, and when the laser source 11 enters the polarization splitting prism 21 from the incident port 23, the laser source 11 is emitted towards the viewing board 3 through the exit port 24.

Referring to fig. 1 and 2, the angle between the entrance port 23 and the exit port 24 is 90 °.

The using process comprises the following steps:

referring to fig. 1 and 2, in the first step, before the wave plate body 62 is installed, the laser emitter 12 emits a laser source 11, and the extinction condition on the sign 3 is inspected and observed.

Referring to fig. 1 and 2, in a second step, the mounting base 41 and the bracket body 61 are removed, respectively, and the polarizer 14 is rotated until the extinction of the laser spot is seen on the viewing board 3.

Referring to fig. 1 and 2, in a third step, the first score line groove 42 of the mounting base 41 and the second score line groove 64 of the bracket body 61 are aligned in a superposed manner and fixed by double sided adhesive or a small amount of glue which is easy to wipe.

Referring to fig. 1 and 2, in a fourth step, the mounting base 41 is mounted directly under the laser emitter 12 such that the laser light source 11 sequentially passes through the wave plate body 62, the holder body 61, and the first through hole 43.

Referring to fig. 1 and 2, in the fifth step, the waveplate optical axis marking platform is placed at the second scribing groove 64, the rotary waveplate body 62 is finely adjusted left and right, the viewing board 3 is observed again, when the light spot on the viewing board 3 appears extinction again, it is indicated that the waveplate optical axis is already parallel to the second scribing groove 64, and the waveplate body 62 is fixed by the spot glue, so that the assembly of the waveplate bracket 6 is completed.

Embodiment two, referring to fig. 3, 4, 5 and 6, is different from embodiment one in that: the fixing base 4 includes at least one base 410, at least one laser channel 415, at least one first scribing groove 412 formed on the base 410, at least one second scribing groove 413 formed on the base 410, and a fine tuning component formed on one side of the base body 411.

Referring to fig. 3 and 4, the laser channel 415 vertically penetrates from the upper surface of the base 410 to the lower surface of the base 410, the distance between the first scribing groove 412 and the laser channel 415 is a, the distance between the second scribing groove 413 and the laser channel 415 is B, wherein a < B, the distance between the center point of the wave plate support 6 and the laser channel 415 is C, when a > C, the first scribing groove 412 is used for calibrating the wave plate support 6, and when a is less than C, the second scribing groove 413 is used for calibrating the wave plate support 6.

Referring to fig. 3 and 4, the first scribing groove 412 is formed around the laser passage 415, the first scribing groove 412 is formed around one side of the outer circumference of the laser passage 415, the second scribing groove 413 is formed around the laser passage 415, and the second scribing groove 413 is formed around one side of the outer circumference of the laser passage 415.

Referring to fig. 3 and 4, through setting up first score line groove 412 and second score line groove 413, by first score line groove 412 adaptation small-size wave plate support 6, by second score line groove 413 adaptation jumbo size wave plate support 6, on the one hand make fixing base 4 can satisfy the alignment demand of not unidimensional wave plate support 6, improve fixing base 4's utilization ratio, thereby improved fixing base 4's general attribute, on the other hand make the user need not to change different fixing base 4 and carry out the adaptation to wave plate support 6 in the use, work efficiency has been improved, the efficiency of having played two purposes.

Referring to fig. 4, 5 and 6, the fine tuning assembly includes a first differential head 456 provided on a side of the second sliding table 453, at least one first locking member 457, a second differential head 458 provided on a side of the third sliding table 455, and at least one second locking member 459.

Referring to fig. 3, specific first score line groove 412 and second score line groove 413 may be provided on the upper surface of the first slide table 451 in the present embodiment.

Referring to fig. 3 and 4, the first sliding groove 452 extends along the Y-axis direction, the first sliding table 451 is slidably embedded in the first sliding groove 452, so that the first sliding table 451 can slide along the Y-axis direction, the second sliding groove 454 extends along the X-axis direction, and the third sliding table 455 is slidably embedded in the second sliding groove 454, so that the second sliding table 453 can drive the first sliding table 451 to slide along the X-axis direction.

Referring to fig. 3, 4, 5 and 6, the first differentiating head 456 is for pushing the first sliding table 451 to move in the Y-axis direction, a portion of the first locking member 457 is provided on the second sliding table 453, another portion of the first locking member 457 is provided on the third sliding table 455, and the first locking member 457 is for fixing the second sliding table 453 and the third sliding table 455 together.

Referring to fig. 3, 4, 5 and 6, the second differentiating head 458 is configured to push the second sliding table 453 to move in the X-axis direction, a portion of the second locking member 459 is disposed on the second sliding table 453, another portion of the second locking member 459 is disposed on the first sliding table 451, and the second locking member 459 is configured to fix the first sliding table 451 and the second sliding table 453 together.

Referring to fig. 3 and 4, the laser path 415 includes at least one third through hole 461, at least one fourth through hole 462, and at least one fifth through hole 463, the third through hole 461 vertically penetrates from the upper surface of the first sliding table 451 to the lower surface of the first sliding table 451, the fourth through hole 462 vertically penetrates from the upper surface of the second sliding table 453 to the lower surface of the second sliding table 453, the fifth through hole 463 vertically penetrates from the upper surface of the third sliding table 455 to the lower surface of the third sliding table 455, the bottom of the third through hole 461 is communicated with the top of the fourth through hole 462, and the bottom of the fourth through hole 462 is communicated with the top of the fifth through hole 463.

Referring to fig. 3 and 4, by setting the first sliding table 451, the second sliding table 453, and the third sliding table 455, on the one hand, when an operator needs to move the wave plate support 6, the wave plate support 6 can move together with the first sliding table 451 toward the Y-axis direction by pushing the first sliding table 451 to move toward the Y-axis direction, or the wave plate support 6 can move together with the first sliding table 451 toward the X-axis direction by pushing the second sliding table 453 to move toward the X-axis direction, so that the effect of keeping the wave plate support 6 clean is achieved without touching with fingers, and on the other hand, the wave plate support 6 is driven to rotate together by using the first sliding table 451 and the second sliding table 453, so that higher precision is achieved, and the operation is convenient, and the effect of achieving two purposes is achieved.

Other structures are similar to those of the first embodiment and will not be described again.

The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.

Claims (6)

1. Wave plate support assembly equipment, its characterized in that: the device comprises at least one frame, at least one analyzer unit arranged on the frame, at least one laser unit arranged right above the analyzer unit, at least one mounting table and at least one observation board arranged on one side of the analyzer unit, wherein the mounting table is arranged between the analyzer unit and the laser unit, the analyzer unit and the observation board are positioned on the same horizontal height, the wave plate support is detachably arranged on the mounting table, the laser unit emits a laser source, and after the laser source sequentially passes through the wave plate support, the mounting table and the analyzer unit, the laser source irradiates on the observation board.

2. A wave plate holder assembly apparatus as set forth in claim 1, wherein: the laser unit comprises at least one laser emitter arranged on the frame, at least one polarizer arranged below the laser emitter and at least one rotary fixing support, wherein the polarizer is arranged on the rotary fixing support, the rotary fixing support is used for adjusting the position of the polarizer, and the polarizer and the laser emitter are positioned on the same vertical axis.

3. A wave plate holder assembly apparatus as set forth in claim 1, wherein: the mounting table comprises at least one mounting base for placing the wave plate support, a plurality of first score line grooves formed in the upper surface of the mounting base and at least one first through hole formed in the middle of the mounting base, wherein the first through hole extends downwards from the upper surface of the mounting base to the lower surface of the mounting base, the laser light source penetrates through the first through hole to extend towards the direction of the analyzer unit, the first score line grooves are used for adjusting the position of the wave plate support on the mounting base, so that the wave plate support is detachably placed on the mounting base, and the first score line grooves and the laser unit are located on the same vertical axis.

4. A wave plate holder assembly apparatus as set forth in claim 3, wherein: the wave plate support comprises a support body, a wave plate mounting groove arranged on the support body and used for mounting the wave plate body, and a plurality of second scribing grooves arranged at the bottom of the support body, wherein the second scribing grooves are arranged on the first scribing grooves in a superposition mode, and the laser light source sequentially penetrates through the wave plate body and the first through hole.

5. A wave plate holder assembly apparatus as set forth in claim 3, wherein: the polarization analyzer unit comprises at least one polarization splitting prism with high extinction ratio and high perpendicularity and at least one second fixing support arranged on the frame, wherein the second fixing support is used for installing the polarization splitting prism, so that an incident port of the polarization splitting prism and the bottom of the first through hole are located on the same vertical axis, an emergent port of the polarization splitting prism and the observation board are relatively arranged in parallel, and when the laser source is emitted into the polarization splitting prism from the incident port, the laser source is emitted towards the direction of the observation board through the emergent port.

6. A wave plate holder assembly apparatus as set forth in claim 5, wherein: the included angle between the incident port and the emergent port is 90 degrees.

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