Machine head fine adjustment device of AOI (automatic optical inspection) equipment

Abstract

The utility model discloses an AOI equipment handpiece fine adjustment device which comprises a machine base used for being fixedly connected to AOI equipment, a light source connecting plate is arranged at the bottom of the machine base, a light source mounting plate is fixedly connected to the lower end face of the light source connecting plate, and an AOI special light source is fixedly connected to the lower end of the light source mounting plate. A lens datum plate is arranged in the middle of the machine base, a movable supporting plate assembly is connected to the top of the machine base, an industrial camera is arranged on the side face of the supporting plate assembly, a differential adjusting assembly is arranged at the side end of the machine base, and one end of the differential adjusting assembly acts on the supporting plate assembly in a movable push-pull mode. According to the utility model, the differential adjustment assembly and the movable support plate assembly are arranged on the base, and the differential adjustment body is used for performing push-pull fine adjustment on the driving block, so that fine adjustment alignment of the industrial camera, the lens reference plate and the AOI special light source is realized, and the detection accuracy of the AOI equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to AOI equipment technical field relates to a kind of AOI equipment machine head fine adjustment device. BACKGROUND

[0002] AOI optical detector is a kind of high-precision, high-speed electronic component detection equipment, can be widely applied to the PCBA production line in electronic manufacturing industry, for detecting the problems that may exist on circuit board.AOI optical detector can also detect whether the device on the circuit board is missing, offset, flip, wrong, broken and damaged, whether the circuit on the circuit board is correct, whether the line width conforms to the specification, whether there is congestion and other problems, if these problems are not found in time, it may cause the circuit board to be unable to transmit power signal, affect the normal use of the entire electronic product.In short, AOI optical detector can detect defects on the circuit board, device problems, wiring problems and other problems.Using AOI optical detector for high-speed, efficient detection can greatly improve the quality and production efficiency of electronic products, and AOI optical detector is mainly used for comprehensive inspection of defects on the circuit board to ensure product quality and production efficiency.

[0003] As known, the most core components of AOI equipment are camera, lens and light source.The camera, light source and lens of the present AOI equipment are directly screwed, the camera is not adjustable, the lens has no reference, which causes the detection object to have fault and unclear image after calibration and picture shooting, resulting in false alarm due to misjudgment of software algorithm on the equipment, and reduces the detection rate of AOI optical detector and the accuracy of detection results of AOI optical detector. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of AOI equipment machine head fine adjustment device, to solve the problem that camera is not adjustable in the present AOI equipment, lens has no reference, which causes the detection object to have fault and unclear image after calibration and picture shooting, and reduces the detection accuracy of AOI equipment.

[0005] To achieve the above object, the utility model provides a kind of AOI equipment machine head fine adjustment device, including the machine stand for fixed connection on AOI equipment, the bottom of the machine stand is equipped with light source connecting plate, the lower end surface of the light source connecting plate is fixedly connected and is equipped with light source mounting plate, the lower end of the light source mounting plate is fixedly connected and is equipped with AOI special light source, the middle part of the machine stand is equipped with lens reference plate, the top of the machine stand is connected and is equipped with movable support plate assembly, the side of the support plate assembly is equipped with industrial camera, the side end of the machine stand is equipped with differential adjustment assembly, one end of the differential adjustment assembly is movable and acts on support plate assembly, so that the industrial camera and lens reference plate, AOI special light source are aligned by fine adjustment.

[0006] Preferably, the support plate assembly comprises a connecting block, a camera mounting plate, a driving block, both inner sides of the base are provided with the connecting block, both sides of the base are provided with a waist-shaped hole, the connecting block is movably connected with the waist-shaped hole through a screw, the upper end of the connecting block is provided with the camera mounting plate, both sides of the camera mounting plate are provided with the driving block, and the industrial camera is located on one side of the camera mounting plate.

[0007] Preferably, the differential adjustment assembly comprises a support, a differential head fixing seat, a differential adjustment body, a micro telescopic jacking rod and a differential knob, the front end of the base is provided with the support, both sides of the support are provided with the differential head fixing seat, each differential head fixing seat is provided with the differential adjustment body, one end of the differential adjustment body is provided with the micro telescopic jacking rod, the micro telescopic jacking rod is located on the side of the driving block, the end of the micro telescopic jacking rod is connected with the driving block, the other end of the differential adjustment body is provided with the differential knob, and the rotation of the differential knob is used to drive the extension and retraction of the micro telescopic jacking rod.

[0008] Preferably, the top end of the base is provided with a baffle on one side.

[0009] Preferably, the lens reference plate is provided with a lens clamp on the side.

[0010] Preferably, the bottom of the AOI special light source is provided with a cross cursor.

[0011] Preferably, the top of the industrial camera is provided with a data interface.

[0012] The beneficial effects of the utility model relative to the prior art are as follows:

[0013] The utility model provides a kind of AOI equipment machine head fine adjustment device, by setting differential adjustment assembly and movable support plate assembly on base, the extension and retraction of driving block is adjusted using differential adjustment body, so that industrial camera and lens reference plate, AOI special light source are fine adjusted and aligned, and the accuracy of promoting AOI equipment detection is reduced.

[0014] To more clearly illustrate the structural features and functions of the utility model, the utility model will be described in detail below in conjunction with the drawings and specific embodiments. DRAWINGS

[0015] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is the local three-dimensional structure schematic diagram of the utility model;

[0017] Fig. 3 It is the side view structure schematic diagram of the utility model

[0018] Reference signs:

[0019] 1, base; 2, light source connecting plate; 3, light source mounting plate; 4, AOI special light source; 5, lens reference plate; 6, support plate assembly; 601, connecting block; 602, camera mounting plate; 603, driving block; 604, waist type hole; 7, industrial camera; 8, differential adjustment assembly; 801, support; 802, differential head fixing seat; 803, differential adjustment body; 804, micro telescopic jacks; 805, differential knob; 9, baffle; 10, lens clamp; 11, cross cursor; 12, data interface. DETAILED DESCRIPTION

[0020] 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; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings and detailed description which follows, and other embodiments of the present application will become apparent to those skilled in the art from the drawings and detailed description, which disclose only some embodiments of the present application by way of example and illustration. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. The terms "comprises", "comprising", "includes", "including", "has", "having" and their conjugates mean "including but not limited to". The terms "first", "second", "third", "fourth", "fifth" and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. The terms "coupled" and "connected" as used in the description and in the claims, if any, are used in their ordinary sense and are not limited to an optical connection or a direct connection.

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0022] To achieve the above-mentioned purpose, the utility model embodiment provides a kind of AOI equipment machine head fine adjustment device, refer to Figs. 1-3 As shown in the drawing, including the base 1 for being fixedly connected on AOI equipment, the bottom of the base 1 is equipped with light source connecting plate 2, the lower end surface of the light source connecting plate 2 is fixedly connected and equipped with light source mounting plate 3, the lower end of the light source mounting plate 3 is fixedly connected and equipped with AOI special light source 4, the middle part of the base 1 is equipped with lens reference plate 5, the top of the base 1 is connected and equipped with movable support plate assembly 6, the side of the support plate assembly 6 is equipped with industrial camera 7, the side end of the base 1 is equipped with differential adjustment assembly 8, one end of the differential adjustment assembly 8 is movable and acts on support plate assembly 6, to make the industrial camera 7 and lens reference plate 5, AOI special light source 4 realize fine adjustment alignment.

[0023] In this embodiment, the AOI device refers to an AOI optical detector. The detected object (such as a circuit board) can be placed below the base 1, which is fixedly installed at the corresponding position of the AOI device. The AOI special light source 4 irradiates the detected object, and the industrial camera 7 captures images of the detected object through the lens reference plate 5. The industrial camera 7, the lens reference plate 5, and the AOI special light source 4 should be aligned. In this way, the captured image can better mark the defect position of the detected object through the reference, and reduce the situation that the detected object has a fault and the image is unclear after calibration and image capture.

[0024] Specifically, the support plate assembly 6 includes a connecting block 601, a camera mounting plate 602, and a driving block 603. The two inner sides of the base 1 are each provided with a connecting block 601. The base 1 is provided with a waist-shaped hole 604 on each side. The connecting block 601 is movably connected to the waist-shaped hole 604 through a screw. The screw can be adjusted in tightness to cooperate with the fine adjustment movement of the connecting block 601. The upper end of the connecting block 601 is connected to the camera mounting plate 602. The two side ends of the camera mounting plate 602 are each connected to the driving block 603. The industrial camera 7 is located on one side of the camera mounting plate 602. In this way, the connecting block 601 can move along the long direction of the waist-shaped hole 604 relative to the base 1, driving the corresponding movement of the industrial camera 7 on the camera mounting plate 602. The industrial camera 7 is correspondingly arranged with the crosshair 11 provided at the bottom of the AOI special light source 4 through the lens reference plate 5. After the connecting block 601 is driven by the differential adjustment assembly 8 for fine adjustment, the lens reference plate 5 corresponds to the crosshair 11, reducing the situation that the detected object has a fault and the image is unclear after calibration and image capture.

[0025] Further, the differential adjustment assembly 8 includes a bracket 801, a differential head fixing seat 802, a differential adjustment body 803, a micro telescopic jack 804, and a differential knob 805. The front end of the base 1 is provided with the bracket 801. The two side upper ends of the bracket 801 are each connected to the differential head fixing seat 802. Each differential head fixing seat 802 is provided with the differential adjustment body 803. One end of the differential adjustment body 803 is provided with the micro telescopic jack 804. The micro telescopic jack 804 is located on the side of the driving block 603, and the end of the micro telescopic jack 804 is connected to the driving block 603. The other end of the differential adjustment body 803 is provided with the differential knob 805. The rotation of the differential knob 805 drives the extension and retraction of the micro telescopic jack 804.

[0026] In the embodiment, the differential adjustment body 803 is a differential knob 805, which drives the micro telescopic jacks 804 to extend and retract with a small movement amount by rotating the differential knob 805 at the end, for example, the small movement amount can be adjusted according to the scale on the differential adjustment body 803, and the industrial camera 7 is moved inward by pushing the driving block 603 and is moved outward by pulling the driving block 603, so as to adjust the corresponding position of the lens reference plate 5 and the cross cursor 11, and reduce the calibration deviation.

[0027] Preferably, the top end of the base 1 is connected with a baffle 9, and the lens reference plate 5 is connected with a lens clamp 10 for fastening.

[0028] Preferably, the top of the industrial camera 7 is provided with a data interface 12, and the image captured by the industrial camera 7 is transmitted to the AOI device through the data interface 12.

[0029] In summary, the utility model provides a kind of AOI equipment machine head fine adjustment device, by setting differential adjustment component 8 and movable support plate assembly 6 on base 1, the push-pull fine adjustment of driving block 603 is carried out using differential adjustment body 803, so that industrial camera 7 and lens reference plate 5, AOI special light source 4 are fine adjusted and aligned, and the accuracy of improving AOI equipment detection is reduced.

[0030] The technical principles of the utility model are described above in combination with specific embodiments, which are only preferred embodiments of the utility model. The protection scope of the utility model is not limited to the above-described embodiments, and any technical solution belonging to the idea of the utility model falls within the protection scope of the utility model. Other specific embodiments of the utility model that can be thought of by those skilled in the art without creative labor will fall within the protection scope of the utility model.

Claims

1. An AOI equipment head fine adjustment device, characterized in that, The utility model provides an AOI special light source and industrial camera micro-adjustment device, including the base for fixing connection on AOI equipment, the bottom of base is equipped with light source connecting plate, the lower end surface of light source connecting plate is fixedly connected with light source mounting plate, the lower end of light source mounting plate is fixedly connected with AOI special light source, the middle part of base is equipped with lens reference plate, the top of base is connected with movable support plate assembly, the side of support plate assembly is equipped with industrial camera, the side end of base is equipped with differential adjustment assembly, one end of differential adjustment assembly can be movable and push-pull acts on support plate assembly to make industrial camera realize fine adjustment alignment with lens reference plate and AOI special light source.

2. The AOI equipment nosepiece fine adjustment device of claim 1, wherein, The support plate assembly includes connecting block, camera mounting plate and drive block, both inner sides of base are equipped with connecting block, both sides of waist hole of base, connecting block forms movable connection with waist hole through screw, the upper end of connecting block is connected with camera mounting plate, both side ends of camera mounting plate are connected with drive block, and industrial camera is located at one side of camera mounting plate.

3. The AOI apparatus head fine adjustment device of claim 1, wherein, The differential adjustment assembly includes support, differential head fixing seat, differential adjustment body, micro telescopic jacks and differential knob, the front end of base is equipped with support, both side upper ends of support are connected with differential head fixing seat, differential head fixing seat is equipped with differential adjustment body, one end of differential adjustment body is equipped with micro telescopic jacks, micro telescopic jacks are located at the right side of drive block, and the end of micro telescopic jacks is connected with drive block, the other end of differential adjustment body is equipped with differential knob, and the rotation of differential knob is used to drive the extension and retraction of micro telescopic jacks.

4. The AOI apparatus head fine adjustment device of claim 1, wherein, The top side of base is connected with baffle.

5. The AOI equipment nosepiece fine adjustment device of claim 1, wherein, The lens reference plate is connected with lens clamp for fastening.

6. The AOI apparatus head fine adjustment device of claim 1, wherein, The bottom of AOI special light source is equipped with crosshair.

7. The AOI apparatus head micro-adjustment device of claim 1, wherein, The top of industrial camera is equipped with data interface. The top of industrial camera is equipped with data interface.

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