Online PCBA patch optical detection device

By combining the electric push rod with the guide slide and using a polarizing filter, the problem of CCD cameras being unable to adapt to flexible PCBA boards of different sizes was solved, thus improving image acquisition quality and detection accuracy.

CN223727711UActive Publication Date: 2025-12-26SHANDONG YUANDE PRECISION TECH CO LTD
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Patent Information

Application Number
CN202520295870.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-26
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing CCD cameras have fixed mounting positions and cannot adapt to flexible PCBA boards of different sizes. Furthermore, the substrate film of flexible PCBA boards has strong reflectivity, which affects image acquisition quality and optical detection results.

Method used

The combination of electric push rod and guide slide allows for flexible adjustment of the CCD camera, and a filter containing a polarizing filter is installed directly below the camera to reduce the impact of reflection.

Benefits of technology

It improves the adaptability to PCBA boards of different sizes and the quality of image acquisition, enhances the recognizability of component details, and improves the accuracy and flexibility of online optical inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an online PCBA paster optical detection device, and relates to the technical field of PCBA board printing paster. The device structurally comprises a guide sliding seat, a shooting sliding seat, a CCD (Charge Coupled Device) camera, an electric push rod and a bolt, the shooting sliding seat is slidably mounted on the guide sliding seat; the electric push rod is horizontally arranged, and an electric push rod base is installed on the guide sliding seat. According to the utility model, through the combination of the electric push rod and the guide sliding seat, the rapid and accurate adjustment of the CCD camera in the horizontal direction can be realized, so that the camera can be easily aligned with the central positions of flexible PCBA boards with different sizes, thereby adapting to the detection requirements of the PCBA boards with different specifications on a production line, and improving the flexibility and applicability of the detection device; the light filtering cover is installed under the CCD camera, and a polarization light filter is arranged in the light filtering cover, so that the light reflection influence of the flexible PCBA board base material film is effectively reduced. Therefore, the definition of the shot image is improved, and the distinguishing degree of element details is enhanced, so that the accuracy of online optical detection is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the PCBA board printing patch technology field especially relates to an online PCBA patch optical detection device. BACKGROUND

[0002] PCB empty board passes through SMT and is put on, or the whole process of DIP plug-in, is briefly called PCBA, and the design of printed circuit board is based on electronic circuit diagram as the blueprint, and the function required by the user of the circuit is realized. The flexible PCBA board is a flexible structure, and the flexible PCBA board needs to be pasted on the patch fixture before printing and patching. The horizontal conveyor drives the movement of the patch fixture one station by one station, a CCD camera is installed above the horizontal conveyor to shoot the components on the PCBA board on the patch fixture, real-time detection is carried out on the components through the image processing device whether there is component missing, damage, position deviation, etc. The installation position of the existing CCD camera is generally fixed, but the patch fixture passing through the same assembly line is the same, but the size of the flexible PCBA board on the patch fixture is different, and the CCD camera can only shoot the best state image in the center position of the flexible PCBA board. Secondly, the base film of the flexible PCBA board has strong light reflection, and the image collected by the CCD camera has high light reflection point, which increases the difficulty of image processing and affects the overall online optical detection result. In order to solve the above technical problems, the present application provides an online PCBA patch optical detection device. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of online PCBA patch optical detection devices, and the sliding cooperation of electric push rod and guide slide and the flexible adjustment of CCD camera, the adaptability of different sizes PCBA board, the promotion of image acquisition quality and the convenience of operation.

[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0005] The utility model discloses a kind of online PCBA patch optical detection devices, including guide slide, shooting slide, CCD camera, electric push rod;The shooting slide is slidably installed on the guide slide;The electric push rod is horizontally arranged, and the electric push rod base is installed on the guide slide by a plurality of first bolt;The telescopic end of the electric push rod is connected with the shooting slide by bolt;The CCD camera is vertically installed on the shooting slide;Four light supplementing lamp panels are installed on the bottom surface of the shooting slide.

[0006] As a preferred technical scheme of the utility model, the guiding slide comprises support seat plates at both ends; four cylindrical guides arranged in a rectangular array are arranged between the two support seat plates; the end portions of the cylindrical guides are fixedly connected with the adjacent support seat plates through second bolts; the support seat plates are L-shaped plate body structures, and two waist round through holes are formed in the flat plate at the bottom of the support seat plate; four first round through holes matched with the second bolts are formed in the upper end portion of the vertical plate of the support seat plate; and threaded blind holes matched with the second bolts in screw thread are formed in the end portions of the cylindrical guides.

[0007] As a preferred technical scheme of the utility model, the shooting slide comprises a rectangular flat plate below the four cylindrical guides; two rectangular vertical plates are fixedly arranged in parallel on the upper surface of the rectangular flat plate; four sliding sleeves respectively matched with the four cylindrical guides are fixedly arranged in the rectangular vertical plates; a light transmission hole for light transmission is formed in the center of the rectangular flat plate; a camera mounting seat plate is fixedly arranged on the upper surface of the rectangular flat plate and located on the side of the light transmission hole; the camera mounting seat plate is connected with the CCD camera through four third bolts, the lens axis of the CCD camera is coincident with the light transmission hole; an iron ring coaxially arranged with the light transmission hole is fixedly arranged on the lower surface of the rectangular flat plate; a sleeve matched with the end portion of the electric push rod is fixedly arranged in the middle of the outer side surface of one of the rectangular vertical plates; and a pin hole matched with the bolt is formed in the sleeve.

[0008] As a preferred technical scheme of the utility model, the light filter cover further comprises a circular ring cylinder; a polarizing filter is fixedly arranged in the circular ring cylinder; and a plurality of magnets matched with the magnetic attraction connection of the iron ring are inlaidly fixed on the upper end surface of the circular ring cylinder.

[0009] As a preferred technical scheme of the utility model, the four light supplement lamp plates are all arranged on the lower surface of the rectangular flat plate, the four light supplement lamp plates are respectively arranged at the four edge portions of the rectangular flat plate, and the four light supplement lamp plates are arranged in a rectangular shape.

[0010] The utility model has the following beneficial effects:

[0011] 1、The utility model discloses a combination of electric push rod and guiding slide, which can realize the rapid and accurate adjustment of the CCD camera in the horizontal direction. This design makes the camera easily aim at the center position of the flexible PCBA board of different sizes, thereby adapting to the detection requirements of PCBA boards of different specifications on the production line, and improving the flexibility and applicability of the detection device.

[0012] 2,The utility model discloses a filter cover is installed below the CCD camera, contains polaroid, effectively reduces the reflection influence of flexible PCBA board base material film. This not only promotes the definition of the image of shooting, but also enhances the identifiable degree of component details, thereby improves the accuracy of online optical detection.

[0013] 3,The utility model discloses a guide sliding seat adopts the design of L-shaped support seat plate cooperation cylinder guide rail, both ensure the stable reliable of overall structure, and convenient device cross - installation on horizontal conveyer. Meanwhile, the waist round through - hole design of support seat plate bottom, the quick installation and fixed of whole device in different production environment are facilitated.

[0014] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing of the embodiment to introduce briefly, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0016] Figure 1 It is the structure schematic view of the utility model online PCBA paster optical detection device.

[0017] Figure 2 It is Figure 1 Front view.

[0018] Figure 3 It is the structure schematic view of support seat plate.

[0019] Figure 4 It is the structure schematic view of cylinder guide rail.

[0020] Figure 5 It is the structure schematic view of shooting sliding seat.

[0021] Figure 6 It is the structure schematic view of shooting sliding seat and light supplementing lamp plate.

[0022] Figure 7 It is the structure schematic view of filter cover.

[0023] In the drawings, the component list represented by each sign is as follows:

[0024] 1-guide slide, 2-photograph slide, 3-CCD camera, 4-electric push rod, 5-bolt, 6-light supplement board, 7-filter cover, 11-supporting base plate, 12-cylindrical guide rail, 111-waist round through hole, 112-first round through hole, 121-screw blind hole, 21-rectangular flat plate, 22-rectangular vertical plate, 23-sleeve, 24-translucent hole, 25-camera mounting base plate, 26-iron ring, 27-sleeve, 28-pin hole, 71-round ring cylinder, 72-polarization filter, 73-magnet. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the 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. 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. Embodiment one:

[0027] Please refer to Figures 1-7As shown, the utility model is a kind of online PCBA patch optical detection device, including guide sliding seat 1, shooting sliding seat 2, CCD camera 3, electric push rod 4.Shooting sliding seat 2 is slidably installed on guide sliding seat 1.Electric push rod 4 is horizontally arranged, and the base of electric push rod 4 is installed in guide sliding seat 1 by a plurality of first bolts.Electric push rod 4 telescopic end is connected with shooting sliding seat 2 by bolt 5.CCD camera 3 is vertically installed on shooting sliding seat 2.Four light supplement lamp panels 6 are installed on the bottom surface of shooting sliding seat 2.Among them, shooting sliding seat 2 includes the rectangular flat plate 21 below four cylindrical guides 12.Two parallelly arranged rectangular vertical plates 22 are vertically fixed on the upper surface of rectangular flat plate 21.Four slide bushings 23 that are slidably matched with four cylindrical guides 12 are fixed on rectangular vertical plate 22.A light-transmitting hole 24 for light to pass through is formed in the center of rectangular flat plate 21.Camera mounting seat plate 25 is vertically fixed on the upper surface of rectangular flat plate 21 on the side of light-transmitting hole 24.CCD camera 3 is connected with camera mounting seat plate 25 by four third bolts, and the lens axis of CCD camera 3 coincides with light-transmitting hole 24.Iron ring 26 coaxially arranged with light-transmitting hole 24 is fixed on the lower surface of rectangular flat plate 21.One of rectangular vertical plate 22 outer side middle part is fixed with sleeve 27 matched with the end of electric push rod 4.Sleeve 27 is provided with pin hole 28 matched with bolt 5.A filter cover 7 includes a circular ring cylinder 71.Polarizing filter 72 is fixed in the circular ring cylinder 71.A plurality of magnets 73 are embedded and fixed on the upper end surface of circular ring cylinder 71 and magnetically connected with iron ring 26.Filter cover 7 is installed below CCD camera 3 to filter out the reflection of the base film of flexible PCBA board, improve the clarity of the elements on the flexible PCBA board, and improve the accuracy of the results of online optical detection of flexible PCBA board.

[0028] Among them, guide sliding seat 1 includes support seat plate 11 at both ends.Four cylindrical guides 12 in rectangular arrangement are arranged between two support seat plates 11.Cylindrical guide 12 end and adjacent support seat plate 11 are fixed by second bolt connection.The support seat plate 11 is L-shaped plate body structure, and the flat plate at the bottom of the support seat plate 11 is provided with two waist round through holes 111.The upper end of the vertical plate of the support seat plate 11 is provided with four first round through holes 112 matched with the second bolt.The end of the cylindrical guide 12 is provided with a threaded blind hole 121 matched with the second bolt thread connection.Two support seat plates 11 of guide sliding seat 1 are installed on the two sides of horizontal conveyor, and four cylindrical guides 12 are horizontally installed above horizontal conveyor, which is installed quickly and conveniently, and the overall structure is simple, stable and reliable.

[0029] The four light supplement lamp plates 6 are all installed on the lower surface of the rectangular flat plate 21, and are respectively located at the four edge portions of the rectangular flat plate 21, and are distributed in a rectangular shape. The four light supplement lamp plates 6 uniformly supplement light for the PCBA plate on the lower patch fixture, guarantee sufficient shooting light, and simultaneously provide light in four directions to avoid shadows.

[0030] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. An online PCBA patch optical detection device, characterized in that: it comprises a guide slide (1), a shooting slide (2), a CCD camera (3), and an electric push rod (4); the shooting slide (2) is slidingly installed on the guide slide (1); the electric push rod (4) is horizontally arranged, and the base of the electric push rod (4) is installed on the guide slide (1) through a plurality of first bolts; the telescopic end of the electric push rod (4) is connected with the shooting slide (2) through a latch (5); the CCD camera (3) is vertically installed on the shooting slide (2); four light supplement lamp panels (6) are installed on the bottom surface of the shooting slide (2).

2. The online PCBA stencil optical inspection apparatus of claim 1, wherein, the guide slide (1) comprises support seat plates (11) at both ends; four cylindrical guides (12) arranged in a rectangular array are arranged between the two support seat plates (11); the end portions of the cylindrical guides (12) and the adjacent support seat plates (11) are fixedly connected through second bolts; the support seat plate (11) is an L-shaped plate body structure, and the flat plate at the bottom of the support seat plate (11) is provided with two waist circular through holes (111); the upper end of the vertical plate of the support seat plate (11) is provided with four first circular through holes (112) matched with the second bolts; the end portion of the cylindrical guide (12) is provided with a threaded blind hole (121) threadedly connected with the second bolt.

3. The inline PCBA taping optical inspection apparatus of claim 2, wherein, the shooting slide (2) comprises a rectangular flat plate (21) below the four cylindrical guides (12); two rectangular vertical plates (22) arranged in parallel are fixedly arranged on the upper surface of the rectangular flat plate (21); four slide sleeves (23) respectively slidingly matched with the four cylindrical guides (12) are fixedly arranged on the rectangular vertical plates (22); a light transmission hole (24) for light transmission is arranged in the center of the rectangular flat plate (21); a camera mounting seat plate (25) is fixedly arranged on the upper surface of the rectangular flat plate (21) on one side of the light transmission hole (24); the camera mounting seat plate (25) is connected with the CCD camera (3) through four third bolts, and the lens axis of the CCD camera (3) coincides with the light transmission hole (24); an iron ring (26) coaxially arranged with the light transmission hole (24) is fixedly arranged on the lower surface of the rectangular flat plate (21); one of the rectangular vertical plates (22) is fixedly arranged with a sleeve (27) matched with the end portion of the electric push rod (4); a pin hole (28) matched with the latch (5) is arranged on the sleeve (27).

4. The inline PCBA taping optical inspection apparatus of claim 3, wherein, it further comprises a light filter cover (7) comprising a circular ring cylinder (71); a polarization filter (72) is fixedly arranged in the circular ring cylinder (71); a plurality of magnets (73) magnetically connected with the iron ring (26) are inlaidly fixed on the upper end surface of the circular ring cylinder (71).

5. The inline PCBA taping optical inspection apparatus of claim 3, wherein, the four light supplement lamp panels (6) are all installed on the lower surface of the rectangular flat plate (21), and the four light supplement lamp panels (6) are respectively arranged at the four edge portions of the rectangular flat plate (21) and are arranged in a rectangular shape.