A projection light machine module 45-degree lens assembling device and a working method thereof

By designing a 45-degree lens assembly device for projection optical engine modules, and utilizing a laser adjustment mechanism and a lens adsorption fixture, efficient and high-precision 45-degree assembly of small reflectors and red-to-blue reflectors was achieved. This solved the problem of difficult manual operation, improved production efficiency, and reduced costs.

CN117863109BActive Publication Date: 2026-01-09FUJIAN FUGUANG TIANTONG OPTICS
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Patent Information

Application Number
CN202311729258.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-15
Publication Date
2026-01-09
Estimated Expiration
2043-12-15

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to achieve efficient and high-precision assembly of the small reflector and the red-to-blue reflector of the projection optical engine module when assembling at 45 degrees. Manual operation is difficult and costly.

Method used

A 45-degree lens assembly device for a projection optical engine module was designed, including a laser adjustment mechanism and a lens adsorption fixture. The laser adjustment mechanism is used to correct the 45-degree adsorption slope. Combined with the multi-directional adjustment of the XY axis displacement platform, the angle tilt displacement stage and the R axis rotary slide, and the vacuum adsorption and positioning pins of the lens adsorption fixture, efficient and high-precision assembly is achieved.

Benefits of technology

It enables efficient and high-precision lens assembly, reduces operational difficulty, improves production efficiency and quality, and saves labor costs.

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Abstract

The present application relates to a kind of projection light machine module 45 degree lens assembly device, including rack, laser adjusting mechanism is arranged below the rack, first, second target is arranged above the rack, the lens suction fixture is arranged in the lens suction fixture, and 45 degrees of suction inclined plane is arranged, the suction inclined plane is provided with the vertical light transmission hole and the horizontal light transmission hole that communicate, vertical light transmission hole corresponds with the laser of laser adjusting mechanism, and the horizontal light transmission hole is perpendicular to the projection light path between two targets.This application realizes the correction to 45 degrees suction inclined plane by laser adjusting mechanism, and then by adjusting the position of suction inclined plane, it realizes the efficient, high-precision assembly small lens, greatly reduces the operation difficulty, improves production efficiency and quality.Correspondingly, it also saves labor cost.
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Description

TECHNICAL FIELD

[0001] The application relates to a 45-degree lens assembling device for a projection light machine module and a working method thereof, and relates to the field of projection light machine module processing. BACKGROUND

[0002] The projection light machine module is one of core components in a projector. The projection light machine module is composed of a light machine shell, a single-face compound eye, a double-face rectangular compound eye, a lens, a reflecting mirror, a small reflecting mirror, a red-reflection-and-blue-transmission mirror and other components. The small reflecting mirror and the red-reflection-and-blue-transmission mirror are assembled at a 45-degree angle with the light machine shell and need to be fixed by glue. The small reflecting mirror and the red-reflection-and-blue-transmission mirror are small in size, and it is difficult to assemble them manually without a specific auxiliary assembling device, so a specific assembling device needs to be designed. SUMMARY

[0003] In view of the deficiencies of the prior art, the technical problem to be solved by the application is to provide a 45-degree lens assembling device for a projection light machine module and a working method thereof.

[0004] In order to solve the above technical problems, the technical scheme of the application is as follows: a 45-degree lens assembling device for a projection light machine module, comprising a rack, a laser adjusting mechanism arranged below the rack, a lens suction jig, first and second targets arranged above the rack, a 45-degree suction slope arranged in the lens suction jig, vertical and horizontal light transmission holes communicated with each other arranged on the suction slope, the vertical light transmission hole corresponding to a laser of the laser adjusting mechanism, and the horizontal light transmission hole being perpendicular to a projection light path between the two targets.

[0005] Preferably, the laser adjusting mechanism comprises a frame body fixed to the rack, a laser adjusting assembly arranged on the frame body, the laser adjusting assembly comprising a first adapter plate fixed to the frame body, a second adapter plate connected to the first adapter plate through an XY-axis displacement platform, a third adapter plate connected to the second adapter plate through an angle inclination displacement table, a fourth adapter plate connected to the third adapter plate through an R-axis rotary sliding table, and a laser fixed to the fourth adapter plate.

[0006] Preferably, one end of the first adapter plate is screwed to the frame body, and the other end is screwed to an X-axis sliding block of the XY-axis displacement platform; one end of the second adapter plate is screwed to a Y-axis sliding block of the XY-axis displacement platform, and the other end is screwed to a fixed block of the angle inclination displacement table; one end of the third adapter plate is screwed to a movable block of the angle inclination displacement table, and the other end is screwed to a fixed block of the R-axis rotary sliding table; one end of the fourth adapter plate is screwed to a movable block of the R-axis rotary sliding table, and the other end is screwed to the laser.

[0007] Preferably, the angle tilt displacement table adjusts the movement of the movable block in a tilt angle adjustment relative to the Z-axis, and the R-axis rotation slide table adjusts the rotation in 360 degrees.

[0008] Preferably, the frame body has four sets of laser adjustment assemblies.

[0009] Preferably, the lens suction jig comprises a support plate fixed on the frame, the upper surface of the support plate is bolted with a vertical rod, the top end of the vertical rod is provided with a 45-degree suction slope, the suction slope is provided with a vacuum suction hole and a vertical light transmission hole, the top end of the vertical light transmission hole is communicated with a horizontal light transmission hole, and the upper surface of the support plate is fixed with a plurality of positioning pins outside the vertical rod to position the light machine shell.

[0010] Preferably, the vacuum suction hole has a plurality of vacuum suction holes, and each vacuum suction hole extends downward along the airway inside the vertical rod to the interface connected to the vacuum generator; the vertical light transmission hole extends downward along the hole in the vertical rod to penetrate the bottom end of the vertical rod, and the horizontal light transmission hole extends to the direction of the 45-degree reflection slope inside the light machine shell to penetrate the side of the vertical rod; the vertical rod has four vertical rods and is distributed left and right in turn along the axial direction of the horizontal light transmission hole, wherein the first vertical rod and the second vertical rod are a group and are fixed on a base, the third vertical rod and the fourth vertical rod are another group and are fixed on another base, the upper surface of the support plate is provided with a recess for embedding the base, and the base is bolted with the recess; the horizontal light transmission holes of the two groups of vertical rods are staggered front and back with each other; the positioning pins have a plurality of positioning pins matched with the positioning holes on the periphery of the light machine shell.

[0011] Preferably, the upper surface of the support plate is fixed with an elbow clamp to press the light machine shell.

[0012] Preferably, the upper surface of the support plate is fixed with an elbow clamp to press the light machine shell.

[0013] A working method of a projection light machine module 45-degree lens assembly device is performed according to the following steps:

[0014] S1: first, all the vertical rods are disassembled, a standard workpiece is positioned on the upper surface of the support plate, the standard workpiece is a light machine shell which has been installed with a small reflector and a red-transmitting blue mirror, the positioning pins are inserted into the positioning holes of the standard light machine shell, and then the elbow clamp presses the light machine shell to realize positioning;

[0015] S2: the position of the laser is adjusted and the projection direction of the laser is changed through the differential head on the XY-axis displacement platform, the angle tilt displacement table and the R-axis rotation slide table, so that the projection light of the laser is directed to the small reflector and the red-transmitting blue mirror.

[0016] S3: The laser beam is reflected by the small mirror at the standard position and the anti-red and blue mirror to the horizontal, and then reflected by the 45° reflection slope inside the optical machine shell. The laser beam can pass through the corresponding light transmission holes of the first and second targets. If the laser beam cannot pass through the corresponding light transmission holes of the first and second targets, the projection direction of the laser needs to be adjusted until the laser beam can pass through the corresponding light transmission holes of the first and second targets.

[0017] S4: After all the laser positions of the laser adjusting mechanism are adjusted, the standard optical machine shell is removed, all the vertical rods are installed, the small mirror and the anti-red and blue mirror are placed on the adsorption slope with tweezers, and then laser projection is performed. If the laser beam cannot pass through the corresponding light transmission holes of the first and second targets, the height of the vertical rod needs to be adjusted by a gasket until the laser beam can pass through the corresponding light transmission holes of the first and second targets.

[0018] S5: After all the vertical rod positions of the lens adsorption jig are adjusted, the workpiece optical machine shell to be assembled is placed on the upper surface of the support plate, the positioning pin is inserted into the positioning hole of the optical machine shell to be assembled to realize positioning, and then the optical machine shell is pressed down by the elbow clamp. The vertical rod can be inserted into the optical machine shell and the adsorption slope is located in the lens mounting position inside the optical machine shell.

[0019] S6: The small mirror and the anti-red and blue mirror are placed on the adsorption slope with tweezers, and finally the small mirror and the anti-red and blue mirror are fixed on the lens mounting position of the optical machine shell with UV glue.

[0020] Compared with the prior art, the present application has the following advantages: the present application realizes the correction of the 45° adsorption slope through the laser adjusting mechanism, and then realizes the efficient and high-precision assembly of small lenses through the adsorption slope with the correct position, greatly reducing the operation difficulty and improving the production efficiency and quality. At the same time, the labor cost is also saved.

[0021] The present application will be further described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The present application is a schematic diagram of the structure of an embodiment.

[0023] Figure 2 The present application is a schematic diagram of the structure of a laser adjusting mechanism Figure 1 .

[0024] Figure 3 The present application is a schematic diagram of the structure of a laser adjusting mechanism Figure 2 .

[0025] Figure 4 The present application is a schematic diagram of the structure of a lens adsorption jig.

[0026] Figure 5 is a schematic view of a partial configuration. Figure 4

[0027] Figure 6 is a schematic view of a working state of a lens suction jig.

[0028] Figure 7 is a schematic view of a partial state. Figure 6 DETAILED DESCRIPTION

[0029] The application will be further described below in conjunction with the drawings and embodiments.

[0030] It should be noted that the following detailed description is exemplary in nature and is intended to provide further description of the application. Unless otherwise defined, 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 application belongs.

[0031] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0032] As shown in Figures 1-7 The embodiment provides a 45-degree lens assembly device of a projection light machine, which comprises a rack 31, a laser adjusting mechanism 32 arranged below the rack, a lens suction jig 33, first and second targets arranged above the rack, a 45-degree suction slope arranged in the lens suction jig, and vertical and horizontal light transmission holes arranged on the suction slope and communicating with each other, wherein the vertical light transmission hole corresponds to the laser of the laser adjusting mechanism, and the horizontal light transmission hole is perpendicular to a projection light path between the two targets.

[0033] In the embodiment of the application, the laser adjusting mechanism comprises a frame body 1 fixed to the rack, a laser adjusting assembly arranged on the frame body, the laser adjusting assembly comprising a first adapter plate 2 fixed to the frame body, a second adapter plate 9 connected to the first adapter plate through an XY-axis displacement platform 3, a third adapter plate 5 connected to the second adapter plate through an angle inclination displacement table 4, a fourth adapter plate 7 connected to the third adapter plate through an R-axis rotary sliding table 6, and a laser 8 fixed to the fourth adapter plate.

[0034] ​​The XY axis displacement platform is of a brand of Qinxi, a model of XY axis manual sliding table steel ball type LGY; the angle inclined displacement table is of a brand of AU Keung / Eurostrong, a model of GFG; the R axis rotating sliding table is of a brand of Yibei, a model of RPG60. The regulating handle (differential head) on the XY axis displacement platform, the angle inclined displacement table and the R axis rotating sliding table can be used to adjust the position of the laser in multiple directions, change the projection direction of the laser, greatly reduce the difficulty of adjustment, and conveniently and efficiently adjust the position.

[0035] In the embodiment of the present application, one end of the first adapter plate is screwed with the frame body, and the other end is screwed with the X axis sliding block of the XY axis displacement platform; one end of the second adapter plate is screwed with the Y axis sliding block of the XY axis displacement platform, and the other end is screwed with the fixed block of the angle inclined displacement table; one end of the third adapter plate is screwed with the movable block of the angle inclined displacement table, and the other end is screwed with the fixed block of the R axis rotating sliding table; one end of the fourth adapter plate is screwed with the movable block of the R axis rotating sliding table, and the other end is screwed with the laser.

[0036] In the embodiment of the present application, the adjustment of the movable block of the angle inclined displacement table is the pitch inclination angle adjustment relative to the Z axis, and the adjustment of the R axis rotating sliding table is the 360-degree rotation adjustment.

[0037] In the embodiment of the present application, the frame body has four laser adjusting assemblies.

[0038] In the embodiment of the present application, the lens adsorption jig comprises a support plate 10 fixed on a rack, a vertical rod 11 is screwed on the upper surface of the support plate through a bolt 12, a 45-degree adsorption inclined surface 13 is arranged at the top end of the vertical rod, a vacuum adsorption hole 14 and a vertical light transmission hole 15 are arranged on the adsorption inclined surface, a horizontal light transmission hole 16 is communicated with the top end of the vertical light transmission hole; a plurality of positioning pins 17 are fixed on the upper surface of the support plate outside the vertical rod, and are used to position a light machine shell 18.

[0039] In the embodiment of the present application, the vacuum adsorption holes are several and extend downward along the air duct inside the vertical rod to the interface 19 connected to the vacuum generator; the vertical light transmission holes extend downward along the hole 20 inside the vertical rod to penetrate the bottom end of the vertical rod; the horizontal light transmission holes extend to the direction of the 45° reflection slope 21 inside the light machine shell to penetrate the side of the vertical rod; the vertical rod has four and is distributed left and right in turn along the axial direction of the horizontal light transmission hole, wherein the first vertical rod and the second vertical rod are a group and are fixed on a base 22, the third vertical rod and the fourth vertical rod are another group and are fixed on another base, the upper surface of the support plate is provided with a recess cavity 23 for embedding the base, and the base is screwed with the recess cavity.

[0040] In the embodiment of the present application, the upper surface of the support plate is fixedly connected with an elbow clamp 25 for pressing the light machine shell.

[0041] In the embodiment of the present application, the upper surface of the support plate is fixedly connected with a first target 26 and a second target 27 in turn in the direction perpendicular to the axial direction of the horizontal light transmission hole, and the first target and the second target have corresponding light transmission holes therebetween.

[0042] A working method of a projection light machine module 45° lens assembly device is performed according to the following steps:

[0043] S1: first, all the vertical rods are disassembled, a standard workpiece is positioned on the upper surface of the support plate, the standard workpiece is a light machine shell in which a small reflector and a red-transmitting blue mirror have been installed, a positioning pin is inserted into the positioning hole of the standard light machine shell, and then the elbow clamp presses the light machine shell to realize positioning;

[0044] S2: the position of the laser is adjusted and the projection direction of the laser is changed through the differential head on the XY axis displacement platform, the angle inclination displacement table and the R axis rotation sliding table, so that the projection light of the laser is directed to the small reflector and the red-transmitting blue mirror;

[0045] S3: the laser beam is reflected to the horizontal through the small reflector and the red-transmitting blue mirror in the standard position, and then is reflected through the 45° reflection slope inside the light machine shell, and the laser beam can penetrate the corresponding light transmission holes of the first and second targets, if the laser beam cannot penetrate the corresponding light transmission holes of the first and second targets, the projection direction of the laser needs to be continuously adjusted until the laser beam can penetrate the corresponding light transmission holes of the first and second targets;

[0046] S4: When all the laser positions of the laser adjusting mechanism are adjusted, the standard light machine shell is removed, all the vertical rods are installed, the small mirror and the anti-red and blue mirror are placed on the adsorption inclined surface with tweezers, and then laser projection is performed. If the laser beam cannot penetrate the corresponding light transmission holes of the first and second targets, the height of the vertical rod needs to be adjusted through the gasket, until the laser beam can penetrate the corresponding light transmission holes of the first and second targets;

[0047] S5: When all the vertical rod positions of the lens adsorption jig are adjusted, the workpiece light machine shell to be assembled is placed on the upper surface of the support plate, the positioning pin is inserted into the positioning hole of the light machine shell to be assembled to realize positioning, and then the elbow clamp is pressed down to insert the vertical rod into the light machine shell and locate the adsorption inclined surface in the lens mounting position inside the light machine shell.

[0048] S6: The small mirror 29 and the anti-red and blue mirror 30 are placed on the adsorption inclined surface with tweezers, and finally the small mirror and the anti-red and blue mirror are fixed on the lens mounting position of the light machine shell with UV glue.

[0049] High-precision assembly of small lenses is realized, the operation difficulty is greatly reduced, the production efficiency and quality are improved, and the labor cost is also saved.

[0050] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to obtain equivalent embodiments. However, any simple modification, equivalent change and modification of the above embodiments without departing from the technical solution of the present application, and according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A 45-degree lens assembly device for a projection optical engine module, characterized in that: The system includes a frame, with a laser adjustment mechanism located below the frame and a lens adsorption fixture and first and second targets located above the frame. The lens adsorption fixture has a 45-degree adsorption slope with interconnected vertical and horizontal light-transmitting holes. The vertical light-transmitting holes correspond to the laser of the laser adjustment mechanism, and the horizontal light-transmitting holes are perpendicular to the projection light path between the two targets. The laser adjustment mechanism includes a frame fixed to the frame, with a laser adjustment assembly mounted on the frame. The laser adjustment assembly includes a first adapter plate fixed to the frame, which is connected via an XY-axis displacement platform. The system includes a second adapter plate, which is connected to a third adapter plate via an angle tilting displacement stage. The third adapter plate is connected to a fourth adapter plate via an R-axis rotary slide. A laser is fixedly connected to the fourth adapter plate. The lens adsorption fixture includes a support plate fixed to the frame. A vertical rod is bolted to the upper surface of the support plate. A 45-degree adsorption slope is provided at the top of the vertical rod. Vacuum adsorption holes and vertical light-transmitting holes are provided on the adsorption slope. A horizontal light-transmitting hole is connected to the top of the vertical light-transmitting hole. Several positioning pins are fixed to the upper surface of the support plate on the outer side of the vertical rod for positioning the optical engine housing.

2. The projection engine 45-degree lens assembly apparatus of claim 1, wherein: One end of the first adapter plate is screwed to the frame, and the other end is screwed to the X-axis slider of the XY-axis displacement platform; one end of the second adapter plate is screwed to the Y-axis slider of the XY-axis displacement platform, and the other end is screwed to the fixed block of the angle tilt displacement stage; one end of the third adapter plate is screwed to the movable block of the angle tilt displacement stage, and the other end is screwed to the fixed block of the R-axis rotary slide; one end of the fourth adapter plate is screwed to the movable block of the R-axis rotary slide, and the other end is screwed to the laser.

3. The projection engine 45-degree lens assembly apparatus of claim 1, wherein: The movable block of the tilt displacement stage is adjusted for pitch tilt angle adjustment relative to the Z-axis, and the R-axis rotary slide is adjusted for 360-degree rotation adjustment.

4. The projection engine 45-degree lens assembly apparatus of claim 1, wherein: The frame has four sets of laser adjustment components.

5. The projection engine 45-degree lens assembly apparatus of claim 1, wherein: The vacuum adsorption holes are numerous and extend downwards along the air passages inside the uprights to the interface for connecting the vacuum generator; the vertical light-transmitting holes extend downwards along the channels inside the uprights to penetrate the bottom of the uprights, and the horizontal light-transmitting holes extend towards the 45° reflecting slope inside the optical engine housing to penetrate the side of the uprights; there are four uprights distributed sequentially left and right along the axial direction of the horizontal light-transmitting holes, wherein the first and second uprights form one group and are fixed on a base, and the third and fourth uprights form another group and are fixed on another base; the upper surface of the support plate is provided with a cavity for embedding the base, and the base is bolted to the cavity; the horizontal light-transmitting holes of the two groups of uprights are staggered front and back; there are numerous positioning pins for engaging with positioning holes on the periphery of the optical engine housing.

6. The projection engine 45-degree lens assembly apparatus of claim 1, wherein: The upper surface of the support plate is fixed with an elbow clamp, which is used in the following calender housing.

7. The projection engine 45-degree lens assembly apparatus of claim 1, wherein: The upper surface of the support plate has a first target and a second target fixedly connected in sequence in a direction perpendicular to the axial direction of the horizontal light-transmitting hole, and there are corresponding light-transmitting holes between the first target and the second target.

8. A method of operating a 45-degree lens assembly apparatus for a projection engine as claimed in any one of claims 1 to 7, wherein, Follow these steps: S1: first disassemble all the vertical rods, first position the standard workpiece on the upper surface of the support plate, the standard workpiece is the optical machine shell which has been installed with small reflector and anti-red and blue mirror, the positioning pin is inserted into the positioning hole of the standard optical machine shell, then the elbow clamp is pressed down to realize positioning; S2: through the differential head on the XY axis displacement platform, angle tilt displacement table and R axis rotation slide table, the position of the laser is adjusted, and the projection direction of the laser is changed, so that the laser projection light is directed to the small reflector and the anti-red and blue mirror; S3: the laser beam is reflected to the horizontal through the small reflector and the anti-red and blue mirror at the standard position, and then reflected through the 45° reflecting slope inside the optical machine shell, the laser beam can penetrate the corresponding light transmission holes of the first and second targets, if the laser beam cannot penetrate the corresponding light transmission holes of the first and second targets, the projection direction of the laser needs to be adjusted until the laser beam can penetrate the corresponding light transmission holes of the first and second targets; S4: when all the positions of the laser are adjusted, the standard optical machine shell is removed, all the vertical rods are installed, the small reflector and the anti-red and blue mirror are placed on the adsorption slope with tweezers, and then laser projection is performed, if the laser beam cannot penetrate the corresponding light transmission holes of the first and second targets, the height of the vertical rod needs to be adjusted through the gasket until the laser beam can penetrate the corresponding light transmission holes of the first and second targets; S5: when all the positions of the vertical rods of the lens adsorption jig are adjusted, the workpiece optical machine shell to be assembled is placed on the upper surface of the support plate, the positioning pin is inserted into the positioning hole of the optical machine shell to be assembled to realize positioning, then the elbow clamp is pressed down, the vertical rod can be inserted into the optical machine shell and the adsorption slope is located in the lens mounting position inside the optical machine shell; S6: then the small reflector and the anti-red and blue mirror are placed on the adsorption slope with tweezers, finally the small reflector and the anti-red and blue mirror are fixed on the lens mounting position of the optical machine shell with UV glue.

Citation Information

Patent Citations

  • Projection ray machine module 45-degree lens assembling device

    CN221834201U