Conveying device for assembling optical module

Abstract

The utility model discloses a conveying device for optical module assembly, and relates to the technical field of optical module assembly devices. The utility model provides a conveying device for assembling an optical module, which comprises a first guide rail, a second guide rail, a third guide rail and a conveying device, the first sliding block is arranged on the first guide rail and can move in the extending direction of the first guide rail, and a module jig and a lens jig are arranged on the first sliding block; the first station is used for feeding module materials of the module jig and discharging finished lenses; the second station is used for processing module materials and finished lenses; the third station is used for feeding a to-be-detected lens; wherein the first sliding block is further provided with a second guide rail extending in the first direction, the second guide rail is provided with a second sliding block in a matched mode, and the lens jig is arranged on the second sliding block, so that when the module jig is located at the second station, the lens jig can move in the direction close to or away from the third station.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical module assembly device, and particularly to a conveying device for optical module assembly. BACKGROUND

[0002] AA device (Active Alignment) is a technology for assembling optical elements, which is used to achieve high-precision alignment during the assembly of optical modules, especially in the process of camera packaging. It ensures the accurate position of image sensors, lens seats, motors, lenses, circuit boards and other components. Its core lies in real-time monitoring of the position and attitude of optical components and actively adjusting them using precise motion control systems to ensure that key components such as lenses and sensors achieve the best relative position and angle, thereby significantly improving the imaging quality and overall performance of the module. After the optical element's optical axis is adjusted to the predetermined position, it needs to be fixed to ensure that the adjustment will not be disturbed by external interference. Common fixing methods include gluing, mechanical clamping and hot pressing, etc.

[0003] It is usually necessary to separately convey the module materials and the lenses to be tested to the lower part of the AA device for AA focusing, bonding and UV, etc. to obtain finished lenses, and then convey the finished lenses to the next process. The material feeding and discharging process is serial, and the time of each step is added up, which takes a long time. CONTENT OF THE INVENTION

[0004] The main purpose of the present application is to provide a conveying device for optical module assembly, which aims to solve the technical problem that in the prior art, the material feeding and discharging process in the process of camera optical module assembly is serial, and the time of each step is added up, which takes a long time.

[0005] To achieve the above-mentioned purpose, the present application provides a conveying device for optical module assembly, comprising:

[0006] A first guide rail extending in a first direction, the first guide rail having a first station, a second station and a third station arranged in sequence in the same direction;

[0007] A first sliding block arranged on the first guide rail and movable along the extension direction thereof, the first sliding block being provided with a module jig and a lens jig;

[0008] The first station is used for module material feeding of the module jig and finished lens discharging;

[0009] The second station is used for processing of the module material and the finished lens;

[0010] The third station is used for feeding of the lens to be tested;

[0011] The first slider is further provided with a second guide rail extending in the first direction, and the second guide rail is provided with a second slider.

[0012] Optionally, the lens jig comprises a support plate and a lens receiving platform, and the lens receiving platform is provided with at least one receiving groove for accommodating the lens to be tested.

[0013] The support plate is provided with a driving assembly connected with the lens receiving platform, so that the lens receiving platform can move in the second direction.

[0014] Optionally, the driving assembly comprises a sliding rail extending in the second direction, and the sliding rail is provided with a guide block movable along the extending direction of the sliding rail, and the lens receiving platform is connected with the guide block.

[0015] Optionally, the module jig comprises a positioning plate provided with a module receiving platform, and the module receiving platform is provided with a placing groove, and opposite sides of the placing groove are provided with through grooves.

[0016] Optionally, the upper end of the positioning plate is provided with a third guide rail extending in the first direction, and the third guide rail is provided with two third sliders, and the two third sliders are connected with the two pressing blocks respectively.

[0017] Optionally, the module jig further comprises a support frame, and the side wall of the support frame is provided with a fourth guide rail extending in the second direction.

[0018] Optionally, the support frame is further provided with a probe, and the bottom wall of the placing groove is provided with a clearance hole, and part of the probe is located in the clearance hole.

[0019] Optionally, the module fixture further includes a pad plate, on which at least one adjusting component is provided. The positioning plate is disposed on the upper end of the adjusting component. The adjusting component includes a top plate and a bottom plate. The upper end of the bottom plate has an arc-shaped limiting groove, and the lower end of the top plate has a limiting protrusion for engaging with the limiting groove. An adjusting plate is provided on the first side wall of the bottom plate, and an adjusting rod is threadedly connected to the adjusting plate. A flange is provided on the side wall of the top plate, and the adjusting rod can abut against the flange. A limiting plate is provided on the second side wall of the bottom plate opposite to the first side wall. The limiting plate has a locking groove, and a locking rod is provided on the side wall of the top plate. The locking rod includes a pressing part that can abut against the limiting plate and a connecting part that passes through the locking groove and is threadedly connected to the top plate.

[0020] Optionally, the module fixture further includes a fifth guide rail, which extends along a third direction and has a fifth slider. The positioning plate is disposed on the fifth slider, and the third direction is orthogonal to the first direction.

[0021] Optionally, a mounting base is provided at the lower end of the first guide rail.

[0022] The beneficial effects that this application can achieve are:

[0023] This application discloses a conveying device for assembling optical modules. By setting a second guide rail on the upper end of a first slider, and also setting a module fixture on the first slider, the movement of the first slider allows the simultaneous movement of the module fixture and the lens fixture on the first guide rail. After the lens fixture loads the lens to be tested at the third station, the first slider moves towards the first station. When the lens fixture moves to the second station (the AA equipment removes the lens to be tested from the lens fixture), the module fixture moves to the first station to load the module material. By setting the lens fixture on the second slider, the second slider can move along the second guide rail, meaning the lens fixture can move relative to the module fixture. During the process of the module fixture carrying the module material and the lens to be tested for processing, the lens fixture can move to the third station to load the lens to be tested, achieving parallel processing and improving work efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the main view structure of an embodiment of this application;

[0025] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure in the diagram;

[0026] Figure 3 This is a partial structural schematic diagram of the lens fixture according to an embodiment of this application;

[0027] Figure 4A first perspective view of a module jig according to an embodiment of the present application is shown in FIG. 1.

[0028] Figure 5 A second perspective view of a module jig according to an embodiment of the present application is shown in FIG. 2.

[0029] Reference numerals in the drawings are:

[0030] 10-base, 11-first guide rail, 111-first sliding block, 12-second guide rail, 121-second sliding block, 13-third guide rail, 131-third sliding block, 14-fourth guide rail, 141-fourth sliding block, 15-fifth guide rail, 151-fifth sliding block, 20-lens jig, 21-supporting plate, 22-driving motor, 23-lens receiving table, 24-sliding rail, 25-guiding block, 26-screw rod, 27-lens to be measured, 30-module jig, 31-positioning plate, 32-module receiving table, 33-pressing block, 40-supporting frame, 41-guiding rod, 50-pad plate, 60-adjusting assembly, 61-bottom plate, 62-top plate, 63-adjusting rod, 64-flange, 65-limiting plate, 651-locking groove, 66-locking rod.

[0031] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and the directional indications will change accordingly if the specific posture changes.

[0034] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal connection of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0036] Embodiment 1

[0037] Reference Figures 1-5 , in which X represents the first direction, Y represents the second direction, and Z represents the third direction. The first embodiment of the present application provides a conveying device for assembling optical modules, comprising: a first guide rail 11 extending in the first direction, the first guide rail 11 having a first station, a second station and a third station arranged in sequence in the same direction; a first sliding block 111 arranged on the first guide rail 11 and capable of moving along the extension direction thereof, the first sliding block 111 being provided with a module jig 30 and a lens jig 20; the first station is used for loading module materials of the module jig 30 and unloading finished lenses; the second station is used for processing module materials and finished lenses; the third station is used for loading lenses to be tested 27; wherein the first sliding block 111 is further provided with a second guide rail 12 extending in the first direction, the second guide rail 12 being provided with a second sliding block 121, and the lens jig 20 is arranged on the second sliding block 121, so that when the module jig 30 is located at the second station, the lens jig 20 can move in the direction close to or away from the third station.

[0038] In the present embodiment, the guide rails of the present application can all be linear motor modules. As shown in Figure 1 , the left end of the figure can be the first station, the middle position of the figure can be the second station, and the right end of the figure can be the third station.

[0039] The process of obtaining the finished lens is as follows: the module jig 30 is used for feeding the module material at the first station, the lens jig 20 is used for feeding the lens to be tested 27 at the third station, the lens jig 20 is moved to the second station after feeding, the AA device (not shown in the figure) is arranged at the position of the second station, then the AA device grasps the lens to be tested 27 on the lens jig 20 and keeps the grasped state; then the module jig 30 that has finished feeding is moved below the AA device, so that the module material is located below the lens to be tested 27, then the lens to be tested 27 is focused, glued and subjected to other processes to obtain the finished lens, the finished lens is located on the module jig 30, then the module jig 30 is moved to the first station for discharging the finished lens and feeding the module material. It should be noted that the principle of the AA device (Active Alignment) is based on the active alignment technology, which is used to realize high-precision alignment in the optical module assembly process.

[0040] By arranging the second guide rail 12 on the first slider 111, arranging the second slider 121 on the second guide rail 12, arranging the lens jig 20 on the second slider 121, and arranging the module jig 30 on the first slider 111, the positions of the module jig 30 and the lens jig 20 can be adjusted simultaneously by moving the first slider 111, and the distance between the module jig 30 and the lens jig 20 can be adjusted by the second slider 121. When the module material goes to the first station to receive the module material, the lens module can be moved below the AA device under the action of the second slider 121 at this time, so that the clamping jaw of the AA device can clamp the lens in advance; when the module jig 30 moves below the AA device to perform focusing or gluing or UV process, the second slider 121 can drive the lens jig 20 to move along the third station at this time, and the lens to be tested 27 is fed at the third station. Multiple processes can be performed in parallel, the waiting time of the process is reduced, and the work efficiency is improved.

[0041] Embodiment 2

[0042] As an optional embodiment, the embodiment provides a specific structure of the lens jig 20, which comprises: the lens jig 20 comprises a support plate 21 and a lens receiving table 23, and at least one accommodating groove for accommodating the lens to be tested 27 is arranged on the lens receiving table 23; a driving assembly is arranged on the support plate 21, the driving assembly is connected with the lens receiving table 23, so that the lens receiving table 23 can move along the second direction.

[0043] Optionally, the driving assembly comprises a sliding rail 24 extending along the second direction, a guide block 25 movably arranged on the sliding rail 24 in the extending direction, the lens receiving table 23 is connected with the guide block 25, a driving motor 22 is arranged on the support plate 21, a lead screw 26 is arranged on the output shaft of the driving motor 22, and the guide block 25 is provided with a nut for cooperating with the lead screw 26.

[0044] In the embodiment, the accommodation groove is arranged on the lens receiving table 23, and the accommodation groove is used for limiting the to-be-tested lens 27. The lens receiving table 23 only needs to bear and move the to-be-tested lens 27, and therefore the to-be-tested lens 27 placed in the accommodation groove can meet the requirement. The driving motor 22, the lead screw 26 and the sliding rail 24 are arranged on the support plate 21, the guide block 25 is arranged on the sliding rail 24, and the guide block 25 can move along the sliding rail 24. As shown in FIG. 1, the second direction is the vertical direction, and the cooperation form of the lead screw 26 and the nut is a lead screw transmission system, so that the guide block 25 can be lifted and moved by rotating the lead screw 26. The force of rotary driving is converted into linear driving. The lifting and moving of the lens receiving table 23 is realized, and the adjustment of the to-be-tested lens 27 in the height direction is realized. Figure 3

[0045] Embodiment 3

[0046] As an optional implementation, the embodiment provides a specific structure of a module jig 30, which comprises a positioning plate 31, the positioning plate 31 is provided with a module receiving table 32, the module receiving table 32 is provided with a placing groove, opposite sides of the placing groove are provided with through grooves, and the two sides of the module receiving table 32 are provided with pressing blocks 33. The two pressing blocks 33 can enter the placing groove through the through grooves.

[0047] Specifically, the placing groove is used for accommodating module materials first, and then the to-be-tested lens 27 is placed into the placing groove by the AA device after the module jig 30 moves below the AA device. The two pressing blocks 33 can clamp and fix the module materials and / or the to-be-tested lens by arranging the through grooves and the pressing blocks 33.

[0048] Optionally, the upper end of the positioning plate 31 is provided with a third guide rail 13 extending in the first direction, the third guide rail 13 is provided with two third sliding blocks 131, and the two third sliding blocks 131 are connected with the two pressing blocks 33 respectively.

[0049] Specifically, the two third sliding blocks 131 can be connected with the pressing blocks 33 through a connecting structure respectively, and the movement of the two pressing blocks 33 in the first direction is controlled through the two sliding blocks. The stability of the two pressing blocks 33 in the moving process is improved.

[0050] Optionally, the module jig 30 further comprises a support frame 40, a side wall of the support frame 40 is provided with a fourth guide rail 14 extending in the second direction, the fourth guide rail 14 is provided with a fourth sliding block 141, the fourth sliding block 141 is connected with the positioning plate 31, the support frame 40 is provided with a guide rod 41 extending in the second direction, and the positioning plate 31 is provided with a guide groove penetrating through and used for cooperating with the guide rod 41.

[0051] ​Specifically, by arranging the support frame 40, the fourth sliding block 141 is arranged on the support frame 40, the fourth sliding block 141 can be connected with the positioning plate 31 through the connecting structure, the fourth guide rail 14 extends in the vertical direction, when the fourth sliding block 141 moves on the fourth guide rail 14, the lifting movement of the positioning plate 31 is realized, thereby realizing the lifting movement of the whole formed by the module material and the lens to be tested 27 on the positioning plate 31. By arranging the guide rod 41, the lifting movement of the positioning plate 31 is limited and guided, and the stability of the positioning plate 31 during the lifting movement is improved.

[0052] Optionally, the support frame 40 is further provided with a probe (not shown in the figure), the bottom wall of the placing groove is provided with a clearance hole, and part of the probe is located in the clearance hole.

[0053] Specifically, by arranging the probe, the probe is a detector for the module material and the lens to be tested 27, which can specifically identify the target object and can directly detect or have a detectable marker. In the assembly process of the optical element, the probe is mainly used for measuring the geometric parameters of each optical element, such as optical center, optical axis and optical surface. These geometric parameters are the basis for alignment.

[0054] Embodiment 4

[0055] As an optional embodiment, the embodiment provides a specific structure of the adjusting assembly 60, which comprises: the module jig 30 further comprises a backing plate 50, the backing plate 50 is provided with at least one adjusting assembly 60, the positioning plate 31 is arranged at the upper end of the adjusting assembly 60, the adjusting assembly 60 comprises a top plate 62 and a bottom plate 61, the upper end of the bottom plate 61 has an arc-shaped limiting groove, the lower end of the top plate 62 has a limiting protrusion for cooperating with the limiting groove, the first side wall of the bottom plate 61 is provided with an adjusting plate, the adjusting plate is threadedly connected with an adjusting rod 63, the side wall of the top plate 62 is provided with a flange 64, and the adjusting rod 63 can abut against the flange 64; the second side wall opposite to the first side wall of the bottom plate 61 is provided with a limiting plate 65, the limiting plate 65 has a lock groove 651, the side wall of the top plate 62 is provided with a lock rod 66, and the lock rod 66 comprises a pressing portion capable of abutting against the limiting plate 65 and a connecting portion penetrating through the lock groove 651 and threadedly connected with the top plate 62.

[0056] In the embodiment, the cushion plate 50 supports the whole mold jig 30. When the support frame 40 is not arranged, the positioning plate 31 is directly arranged on the top plate 62. When the support frame 40 is arranged, the support frame 40 is arranged on the top plate 62. The surface of the mold jig 30 can be adjusted in one direction by the adjusting assembly 60. A plurality of adjusting assemblies 60 can be arranged in the vertical direction, so that the surface of the mold jig 30 can be adjusted in multiple directions. The adjusting principle is as follows: the bottom plate 61 is fixed, the top plate 62 is arranged on the bottom plate 61 and can move relative to the bottom plate 61. The bottom plate 61 is an arc-shaped groove structure, and the top plate 62 is an arc-shaped convex structure. The adjusting plate is arranged on the bottom plate 61, the adjusting plate is provided with a through hole, the adjusting rod 63 penetrates through the through hole, the adjusting rod 63 is screwed with the through hole, the end of the adjusting rod 63 abuts against the flange 64, and the top plate 62 is pushed to move by screwing or unscrewing the adjusting rod 63. The lock rod 66 is arranged on the other side of the top plate 62, and moves in the lock groove 651 during the movement of the top plate 62 relative to the bottom plate 61. The top plate 62 and the bottom plate 61 are fixed relative to each other by the limiting plate 65 by screwing the lock rod 66, so that the top plate 62 and the bottom plate 61 are prevented from moving relative to each other. The relative inclination of the mold jig 30 is adjusted, and the mold material can be adjusted relative to the lens 27 when the lens 27 does not rely on the support force of the mold material.

[0057] Optionally, the mold jig 30 further comprises a fifth guide rail 15 extending along a third direction, and the fifth guide rail 15 is provided with a fifth sliding block 151, and the positioning plate 31 is arranged on the fifth sliding block 151, and the third direction is perpendicular to the first direction.

[0058] Specifically, by arranging the fifth guide rail 15 extending along the third direction, the first direction, the second direction and the third direction are perpendicular to each other, so that the mold jig 30 can be adjusted in the third direction, and the application range is improved.

[0059] Optionally, the lower end of the first guide rail 11 is provided with a mounting seat.

[0060] The above is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation according to the content of the specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A conveying device for assembling optical modules, characterized in that, include: A first guide rail extends along a first direction, and the first guide rail has a first station, a second station, and a third station arranged sequentially along the same direction; A first slider is disposed on the first guide rail and can move along its extension direction. A module fixture and a lens fixture are disposed on the first slider. The first station is used for loading module materials into the module fixture and unloading finished lenses; The second workstation is used for processing module materials and finished lenses; The third station is used for loading the lens to be tested; The first slider is further provided with a second guide rail extending along a first direction, and a second slider is provided on the second guide rail. The lens fixture is provided on the second slider so that when the module fixture is located at the second work station, the lens fixture can move in a direction close to or away from the third work station.

2. The optical module assembly conveying device as described in claim 1, characterized in that, The lens fixture includes a support plate and a lens receiving platform, and the lens receiving platform is provided with at least one receiving groove for accommodating the lens to be tested. The support plate is provided with a driving component, which is connected to the lens receiving stage to drive the lens receiving stage to move along the second direction.

3. The optical module assembly conveying device as described in claim 2, characterized in that, The drive assembly includes a slide rail extending in a second direction, a guide block that can move along the extension direction of the slide rail, a lens receiving platform connected to the guide block, a drive motor on the support plate, a lead screw on the output shaft of the drive motor, and a nut on the guide block for cooperating with the lead screw.

4. The optical module assembly conveying device as described in claim 1, characterized in that, The module fixture includes a positioning plate, a module receiving platform on the positioning plate, a placement groove on the module receiving platform, through grooves on opposite sides of the placement groove, and pressure blocks on both sides of the module receiving platform. One end of each of the two pressure blocks facing each other can enter the placement groove through the through groove.

5. The optical module assembly conveying device as described in claim 4, characterized in that, The upper end of the positioning plate is provided with a third guide rail extending along the first direction, and two third sliders are provided on the third guide rail. The two third sliders are respectively connected to the two pressure blocks.

6. The optical module assembly conveying device as described in claim 4, characterized in that, The module fixture also includes a support frame, the side wall of which is provided with a fourth guide rail extending in a second direction, a fourth slider is provided on the fourth guide rail, the fourth slider is connected to the positioning plate, the support frame is provided with a guide rod extending in the second direction, and the positioning plate is provided with a guide groove for cooperating with the guide rod.

7. The optical module assembly conveying device as described in claim 6, characterized in that, The support frame is also equipped with a probe, and the bottom wall of the placement groove is provided with a clearance hole, with part of the probe located in the clearance hole.

8. The optical module assembly conveying device as described in claim 4, characterized in that, The module fixture further includes a pad, on which at least one adjusting component is provided. A positioning plate is disposed on the upper end of the adjusting component. The adjusting component includes a top plate and a bottom plate. The upper end of the bottom plate has an arc-shaped limiting groove, and the lower end of the top plate has a limiting protrusion for engaging with the limiting groove. An adjusting plate is provided on the first side wall of the bottom plate, and an adjusting rod is threadedly connected to the adjusting plate. A flange is provided on the side wall of the top plate, and the adjusting rod can abut against the flange. A limiting plate is provided on the second side wall of the bottom plate opposite to the first side wall. The limiting plate has a locking groove, and a locking rod is provided on the side wall of the top plate. The locking rod includes a pressing part that can abut against the limiting plate and a connecting part that passes through the locking groove and is threadedly connected to the top plate.

9. The optical module assembly conveying device as described in claim 4, characterized in that, The module fixture also includes a fifth guide rail, which extends along a third direction. A fifth slider is provided on the fifth guide rail, and the positioning plate is disposed on the fifth slider. The third direction is orthogonal to the first direction.

10. The optical module assembly conveying device as described in claim 1, characterized in that, A mounting base is provided at the lower end of the first guide rail.

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