CN219737328U - Variable-focus image acquisition device - Google Patents
Variable-focus image acquisition device Download PDFInfo
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- CN219737328U CN219737328U CN202320926031.4U CN202320926031U CN219737328U CN 219737328 U CN219737328 U CN 219737328U CN 202320926031 U CN202320926031 U CN 202320926031U CN 219737328 U CN219737328 U CN 219737328U
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- rotating block
- light inlet
- image acquisition
- focus image
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- 239000000758 substrate Substances 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims 3
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The variable-focus image acquisition device comprises a frame, a substrate, through holes, photosensitive assemblies, a lens, a base, a first light inlet hole and a second light inlet hole, wherein the substrate is vertically distributed on the frame, the through holes penetrate through the substrate, the photosensitive assemblies are respectively arranged on the two substrates, the base is positioned above the substrate and is used for installing the photosensitive assemblies, and the base is provided with the first light inlet hole; the lifting assembly is used for driving the two substrates to approach or depart so as to realize the adjustment of the distance between the photosensitive assembly and the lens; the offset component is arranged between the base and the substrate and is used for adjusting the light inlet quantity entering the photosensitive component through the first light inlet hole. According to the utility model, the lifting component and the offset component are arranged, so that the light incoming quantity entering the photosensitive component can be adjusted, the actual requirement is met, and the applicability is improved.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a variable-focus image acquisition device.
Background
AOI (automatic optical inspection) equipment is widely adopted in the manufacturing process of the high-end PCB industry for image quality detection. The AOI is mainly used for detecting defects of the PCB in various production processes, such as notch, copper protruding, short circuit, circuit breaking, residual copper, pinholes, line width and line spacing out of tolerance and the like, and is an important means for ensuring the quality of the PCB and finding problems in the prior process in time. AOI is an indispensable production facility in the production and manufacture of flexible circuit boards. The utility model provides an optical inspection equipment such as public an AOI check out test set of bulletin number CN 210015059U, includes the frame and slides the workstation of setting in the frame, the workstation is used for adsorbing fixed FPC board, be provided with in the frame and be used for driving the gliding drive division of workstation, the frame is provided with high definition CCD camera in the top of workstation, its characterized in that, be provided with in the frame and glue the dirt subassembly, glue the dirt subassembly including the support arm of setting in the both sides of workstation, install the back shaft on the support arm to and cup joint the dirt roller that glues outside the back shaft, the outer roll surface of dirt roller is used for contacting with the FPC board on the workstation. The utility model has the effect of improving the detection work efficiency.
When the device is in actual use, the camera cannot zoom according to actual demands, so that the applicability is poor, and the actual demands cannot be met.
Disclosure of Invention
The utility model aims to provide a variable-focus image acquisition device which is used for solving the problems in the background technology.
The technical scheme of the utility model is as follows: a variable-focus image acquisition device comprises a frame, a substrate vertically distributed on the frame, a through hole penetrating through the substrate, photosensitive assemblies and lenses which are respectively arranged on the two substrates, and further comprises
The base is positioned above the substrate and used for installing the photosensitive assembly, wherein a first light inlet hole is formed in the base;
the lifting assembly is used for driving the two substrates to approach or depart so as to realize the adjustment of the distance between the photosensitive assembly and the lens;
the offset component is arranged between the base and the substrate and is used for adjusting the light inlet quantity entering the photosensitive component through the first light inlet hole.
Further, the lifting assembly comprises a screw rod lifter arranged on the base plate, a base arranged at the bottom of the frame and connected with one end of the screw rod lifter, a guide rail arranged along the frame, and a slide block arranged on one side of the base plate and in sliding fit with the guide rail.
Further, the offset assembly comprises a rotating block, a second light inlet penetrating through the rotating block and a guiding part used for guiding the rotation of the rotating block, and axial axes of the second light inlet and the through hole are coincident.
Further, the guide part comprises an extending edge arranged along the edge of the rotating block, an arc-shaped groove penetrating through the extending edge, and a limiting block arranged at the top end of the positioning column in sliding connection with the inner wall of the arc-shaped groove.
Further, the device further comprises a fine adjustment part for adjusting the position of the rotating block, wherein the fine adjustment part comprises a mounting plate connected with the rotating block, adjusting seats symmetrically arranged on two sides of the mounting plate, and transverse moving bolts screwed with the adjusting seats and abutted to one side of the mounting plate.
Further, the device further comprises a pushing part for pushing the base to move on the rotating block, wherein the pushing part comprises a first fixing seat arranged on the base, a second fixing seat arranged on the rotating block and a pushing bolt for connecting the first fixing seat and the second fixing seat.
The utility model has the beneficial effects that:
compared with the prior art, the utility model can adjust the light incoming quantity entering the photosensitive assembly by arranging the lifting assembly and the offset assembly so as to meet the actual requirement and improve the applicability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an offset assembly;
FIG. 3 is a schematic diagram of a rotating block;
Detailed Description
The utility model is further illustrated by way of example with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
1-3, a variable focus image acquisition device includes a vertically arranged frame 1, a substrate 2 vertically distributed on the frame 1, a through hole 201 penetrating through the substrate 2 for light to pass through, a photosensitive assembly 3 separately arranged on the two substrates 2, and a lens 4, wherein the photosensitive assembly 3 in this embodiment is located above the lens 4, axial axes of the two through holes 201 are coincident, and further includes
A base 5, the base 5 is located above the substrate 2 and is used for installing the photosensitive assembly 3, wherein a first light inlet 501 is formed on the base 5;
the lifting assembly 6 is used for driving the two substrates 2 to approach or separate so as to realize the adjustment of the distance between the photosensitive assembly 3 and the lens 4;
and a shift assembly 7, wherein the shift assembly 7 is arranged between the base 5 and the substrate 2, and is used for adjusting the light entering amount of the photosensitive assembly 3 through the first light entering hole 501.
According to the utility model, the lifting component 6 and the offset component 7 are arranged, so that the light incoming quantity entering the photosensitive component 3 can be adjusted, the actual requirement is met, and the applicability is improved.
In an alternative embodiment of the present utility model, the lifting assembly 6 includes a screw lifter 601 provided on the base plate 2, a base 602 provided at the bottom of the frame 1 and connected to one end of the screw lifter 601, a guide rail 603 provided along the frame 1, and a slider 604 provided at one side of the base plate 2 and slidably engaged with the guide rail 603, preferably, the through-hole 202 is provided on the base plate 2 in this embodiment, where the through-hole 202 is used for passing a screw mounted on another base plate 2, and the screw is not in contact with the inner wall of the through-hole 202; the screw rod lifter 601 drives the base plates 2 to lift, and simultaneously, the two base plates 2 are close to or far away from each other under the sliding fit of the guide rails 603 and the sliding blocks 604, so that the distance adjustment between the photosensitive assembly 3 and the lens 4 is realized.
In an alternative embodiment of the present utility model, the offset assembly 7 includes a rotating block 701, a second light inlet 702 penetrating the rotating block 701, and a guiding portion 703 for guiding the rotation of the rotating block 701, where the axial axes of the second light inlet 702 and the through hole 201 coincide, and preferably, the projected area of the second light inlet 702 in the direction of the through hole 201 is smaller than the area of the through hole 201 in this embodiment.
In an alternative embodiment of the present utility model, the guiding portion 703 includes an extending edge 70301 disposed along an edge of the rotating block 701, an arc-shaped slot 70302 penetrating the extending edge 70301, and a limiting block 70304 disposed at a top end of the positioning column 70303 slidably connected to an inner wall of the arc-shaped slot 70302, preferably, the positioning column 70303 in this embodiment is fixedly connected to the base plate 2, a bottom portion of the limiting block 70304 contacts a top portion of the extending edge 70301, and the extending edges 70301 are symmetrically distributed on two sides of the rotating block 701.
In an alternative embodiment of the present utility model, the present utility model further includes a fine adjustment part 704 for adjusting the position of the rotating block 701, wherein the fine adjustment part 704 includes a mounting plate 70401 connected to the rotating block 701, adjustment brackets 70402 symmetrically provided at both sides of the mounting plate 70401, and a traverse bolt 70403 screwed to the adjustment brackets 70402 and abutted to one side of the mounting plate 70401, the mounting plate 70401 is pushed to move by rotating the traverse bolt 70403, so that the rotating block 701 rotates under the guide of the guide portion 703, and the relative rotation of the second light inlet hole 702 and the through hole 201 is realized.
In an alternative embodiment of the present utility model, the apparatus further comprises a pushing portion 706 for pushing the base 5 to move on the rotating block 701, wherein the pushing portion 706 includes a first fixed base 70601 provided on the base 5, a second fixed base 70602 provided on the rotating block 701, and a pushing bolt 70603 connecting the first fixed base 70601 and the second fixed base 70602, and preferably, the pushing bolt 70603 in this embodiment penetrates the first fixed base 70601 and is screwed with the second fixed base 70602; by rotating the pushing bolt 70603, the distance between the first fixing base 70601 and the second fixing base 70602 can be adjusted, so that the position of the base 5 on the rotating block 701 can be adjusted, and the amount of light entering the photosensitive assembly 3 can be adjusted.
Claims (6)
1. The utility model provides a variable focus image acquisition device, is including frame (1), upper and lower distribution be in base plate (2) on frame (1), run through hole (201) of base plate (2), divide and establish photosensitive assembly (3) and camera lens (4) on two base plate (2), its characterized in that: and also comprises
The base (5) is positioned above the substrate (2) and used for installing the photosensitive assembly (3), wherein a first light inlet hole (501) is formed in the base (5);
the lifting assembly (6) is used for driving the two substrates (2) to approach or separate from each other so as to realize the adjustment of the distance between the photosensitive assembly (3) and the lens (4);
and the offset component (7) is arranged between the base (5) and the substrate (2) and is used for adjusting the light inlet quantity entering the photosensitive component (3) through the first light inlet hole (501).
2. The variable focus image acquisition apparatus of claim 1 wherein: the lifting assembly (6) comprises a screw rod lifter (601) arranged on the base plate (2), a base (602) arranged at the bottom of the frame (1) and connected with one end of the screw rod lifter (601), a guide rail (603) arranged along the frame (1), and a sliding block (604) arranged on one side of the base plate (2) and in sliding fit with the guide rail (603).
3. The variable focus image acquisition apparatus of claim 1 wherein: the offset assembly (7) comprises a rotating block (701), a second light inlet hole (702) penetrating through the rotating block (701), and a guide part (703) used for guiding rotation of the rotating block (701), wherein axial axes of the second light inlet hole (702) and the through hole (201) are overlapped.
4. A variable focus image acquisition apparatus as claimed in claim 3, wherein: the guide part (703) comprises an extending edge (70301) arranged along the edge of the rotating block (701), an arc-shaped groove (70302) penetrating through the extending edge (70301), and a limiting block (70304) arranged at the top end of the positioning column (70303) in sliding connection with the inner wall of the arc-shaped groove (70302).
5. A variable focus image acquisition apparatus as claimed in claim 3, wherein: the device further comprises a fine adjustment part (704) for adjusting the position of the rotating block (701), wherein the fine adjustment part (704) comprises an installation plate (70401) connected with the rotating block (701), adjusting seats (70402) symmetrically arranged on two sides of the installation plate (70401), and transverse moving bolts (70403) which are in threaded connection with the adjusting seats (70402) and are abutted against one side of the installation plate (70401).
6. A variable focus image acquisition apparatus as claimed in claim 3, wherein: the device further comprises a pushing part (706) for pushing the base (5) to move on the rotating block (701), wherein the pushing part (706) comprises a first fixed seat (70601) arranged on the base (5), a second fixed seat (70602) arranged on the rotating block (701) and a pushing bolt (70603) connected with the first fixed seat (70601) and the second fixed seat (70602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320926031.4U CN219737328U (en) | 2023-04-23 | 2023-04-23 | Variable-focus image acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320926031.4U CN219737328U (en) | 2023-04-23 | 2023-04-23 | Variable-focus image acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737328U true CN219737328U (en) | 2023-09-22 |
Family
ID=88062124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320926031.4U Active CN219737328U (en) | 2023-04-23 | 2023-04-23 | Variable-focus image acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737328U (en) |
-
2023
- 2023-04-23 CN CN202320926031.4U patent/CN219737328U/en active Active
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