Visual inspection mechanism of data connector

Abstract

The utility model discloses a visual inspection mechanism of a data connector, which comprises a base, an image acquisition module, a light source, a longitudinal moving device and a light splitting device, the base is provided with a transverse moving device, the image acquisition module is arranged on the transverse moving device, and the transverse moving device can drive the image acquisition module to move. The image acquisition module comprises a lens and a CCD camera arranged behind the lens, the light source is a parallel light source, the longitudinal moving device is arranged on the machine base, the longitudinal moving device is provided with a jig, and the light splitting device is used for receiving light of the light source to irradiate a product and can project an image of the product to the CCD camera. The cable product can be horizontally placed through the longitudinal moving device, so that the positioning process is reduced, the positioning is simpler, the step-by-step detection of a plurality of long-strip-shaped products is further realized, the parallel light source and the CCD lens are used as reference points through the jig, and the detection accuracy is improved. Parameters such as clearance, height, levelness, levelness, diameter and outer diameter of the end part of the cable group on the measuring surface can be accurately obtained, and the detection stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual inspection equipment field, especially a kind of visual inspection mechanism of data connector. BACKGROUND

[0002] Visual inspection is to replace human eye with machine to measure and judge. Visual inspection is to convert the target to be taken into image signal by machine vision product (i.e. image taking device, divided into CMOS and CCD two kinds), transmit to dedicated image processing system, according to pixel distribution and brightness, color etc. information, change into digitized signal;Image system carries out various operations to the signal to extract the characteristics of target, and then according to the result of discrimination to control the action of on-site equipment.

[0003] In data connector, it is generally composed of several cables, so its length is longer, and the existing method is generally to place the wire vertically to realize the detection of the end wall of the connector. However, when the length of the cable is longer, the detection is more troublesome.

[0004] Therefore, the existing horizontal visual inspection device is used, such as Chinese patent CN201821437384.3, but this equipment is not suitable for detecting cable, so a detection mechanism needs to be designed to meet the detection of cable, and the detection of batch connector can be realized, so how to realize the detection of multiple connectors is the key to design.

[0005] According to the demand of existing purchaser, the existing data connector is composed of several cables and integrally injection molded, so the gap between the ends of the cable, the height, the flushness and the levelness affect the assembly accuracy in later period, so how to realize the detection of this type is the key to design. INVENTION CONTENTS

[0006] The main purpose of the utility model is to provide a kind of visual inspection mechanism of data connector, to place cable conveniently by the jig of horizontal arrangement, the detection stability of connector can be improved, the problem that cable needs to be specially placed when being detected vertically is reduced, and the detection efficiency is improved by the detection device of horizontal arrangement, and the gap between the ends of the cable of data connector, the height, the flushness and the levelness.

[0007] To achieve the above purpose, the utility model provides a kind of visual inspection mechanism of data connector, comprising:

[0008] Machine base, the machine base is equipped with transverse moving device;

[0009] Image acquisition module, the image acquisition module is equipped in transverse moving device, the transverse moving device can drive image acquisition module to move, the image acquisition module includes lens and the CCD camera of being equipped behind lens;

[0010] The light source is a parallel light source.

[0011] The longitudinal moving device is arranged on the base, and the longitudinal moving device is provided with a jig provided with a plurality of positioning grooves for clamping cables and connectors.

[0012] The light splitting device is arranged in front of the lens, and the light source is arranged on the side wall of the light splitting device, and the light splitting device is used to irradiate the light of the light source on the product and project the image of the product to the CCD camera.

[0013] In the actual design, the distance between the CCD camera and the product can be adjusted by the transverse moving device, thereby adjusting the image acquisition accuracy, and further, the cable product can be placed horizontally by the longitudinal moving device, thereby reducing the positioning process and making the positioning simpler, and thereby realizing the step-by-step detection of a plurality of long strip-shaped products. The parallel light source and the CCD lens are taken as reference points by the jig, and the gap, height, flushness, levelness, diameter and outer diameter of the end part of the measured surface cable group can be accurately obtained, thereby improving the stability of the detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the detection equipment hidden in the box body.

[0015] Figure 2 It is a sectional view of the detection equipment.

[0016] Figure 3 It is a schematic diagram of the detection equipment.

[0017] Figure 4 It is a schematic diagram of the light splitting device.

[0018] Figure 5 It is a schematic diagram of the light splitting device.

[0019] Figure 6 It is a schematic diagram of the detection equipment.

[0020] Figure 7 It is a local enlarged schematic diagram.

[0021] In the drawings,

[0022] 1 is a base, 10 is a sunken groove,

[0023] 2 is a transverse moving device, 21 is a transverse guide rail, 22 is a transverse sliding block, and 23 is a transverse servo rotating motor,

[0024] 3 is an image acquisition module, 31 is a lens, and 32 is a CCD camera,

[0025] 4 represents the beam splitter, 41 represents the housing, 42 represents the beam splitter, 43 represents the light source, 421 represents the reflective surface, and 422 represents the transparent surface.

[0026] 5 is a partition, 50 is a light guide channel, 51 is a mounting cavity, 52 is a light guide port, and 53 is an image acquisition port.

[0027] 6 is the fixture, 60 is the base, 61 is the first slot, 62 is the second slot, 63 is the limiting plate, and 64 is the positioning plate.

[0028] 7 is the longitudinal moving device, 71 is the longitudinal guide rail, 72 is the longitudinal slider, and 73 is the longitudinal servo rotary motor. Detailed Implementation

[0029] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0030] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0031] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0032] like Figures 1 to 5 As shown, a visual inspection mechanism for a data connector includes:

[0033] The machine base is equipped with a lateral moving device;

[0034] An image acquisition module is arranged on the lateral moving device, the lateral moving device can drive the image acquisition module to move, the image acquisition module comprises a lens and a CCD camera arranged behind the lens;

[0035] A light source is a parallel light source;

[0036] A longitudinal moving device is arranged on the base, the longitudinal moving device is provided with a jig 6, the jig 6 is provided with a plurality of positioning grooves for clamping cables and connectors;

[0037] A light splitting device is arranged in front of the lens, the light source is arranged on the side wall of the light splitting device, the light splitting device is used for irradiating the light of the light source on the product and can project the image of the product to the CCD camera.

[0038] In the actual design, the distance between the CCD camera and the product can be adjusted through the lateral moving device, thereby adjusting the image acquisition accuracy, further, the cable product can be placed horizontally through the longitudinal moving device, thereby reducing the positioning process, making the positioning simpler, and thereby realizing the step-by-step detection of a plurality of long strip-shaped products, wherein the parallel light source and the CCD lens are taken as reference points through the jig, the gap, height, flushness, levelness, diameter and outer diameter of the end part of the measuring surface cable group can be accurately obtained, and the stability of the detection is improved.

[0039] The product can be placed on the jig, and the predetermined detection surface of the product is arranged opposite to the light splitting mirror.

[0040] In the embodiment of the utility model, the base 1 is concave and is provided with a sunken groove 10, the lateral moving device 2 is arranged in the sunken groove 10, and the lateral moving device 2 is arranged below the horizontal plane of the base 1, thereby making the detection device more compact and stable, and reducing the overall volume of the equipment.

[0041] The light splitting device comprises a shell, a light splitting mirror arranged on the shell and a light source, the shell is provided with an inner cavity, the inner cavity is provided with a partition plate, the partition plate divides the inner cavity into a light guide channel and a mounting cavity,

[0042] The light splitting mirror is arranged obliquely in the light guide channel, the rear end of the light guide channel is arranged opposite to the CCD camera and is provided with an image acquisition port;

[0043] The mounting cavity is arranged on one side of the light guide channel, the light source is arranged in the mounting cavity, the side wall of the light guide channel is arranged opposite to the light source, and the front end of the light guide channel is a light guide port,

[0044] The light splitting mirror is used for irradiating the light of the light source on the light guide port and refracting the image of the light guide port to the image acquisition port.

[0045] In actual design, the multiple light sources of the existing visual detection equipment are changed, the problem of large length stroke is solved, the light source is arranged on the side, the overall volume of the light splitting device is smaller, in actual detection,

[0046] When the light source is turned on, the light splitting mirror irradiates the predetermined light on the object to be detected, then the CCD camera adjusts the relative position with the light splitting mirror through the transverse moving device, and then the image of the object is obtained through the light splitting mirror, which is simple and stable in structure.

[0047] Specifically, the light splitting device is fixedly arranged in the sinking groove 10.

[0048] The transverse moving device 2 comprises a transverse guide rail 21, a transverse sliding block 22 arranged on the transverse guide rail 21, and a transverse screw pair for driving the transverse sliding block to move.

[0049] In the embodiment of the utility model, the transverse screw pair comprises a transverse servo rotary motor 23, a transverse ball screw connected with the transverse servo rotary motor 23 and a transverse screw nut matched with the transverse ball screw, the transverse screw nut is arranged on the transverse sliding block,

[0050] The transverse servo rotary motor 23 is arranged above the light splitting device, thereby effectively saving the space of the equipment and reducing the overall length.

[0051] Specifically, the inclination angle of the light splitting mirror 42 is 45 degrees.

[0052] In the embodiment of the utility model, the light source 43 is a parallel light source 43, which is also called directional light. It is a group of parallel light without attenuation, similar to the effect of sunlight. When parallel light irradiates an object, the shadow formed by it is its actual size, and the parallel light conversion is completed by using an imported high-brightness point light source 43, which improves the edge profile contrast of the detected object in the detection system and greatly helps to obtain high-precision size.

[0053] Specifically, the lens 31 is a double-telecentric lens. By cooperating the telecentric lens with the parallel light source, it is suitable for circular objects and the like, so that the edge of the circular object is sharper and clearer, and is widely applied in detection, such as diameter measurement, width measurement, thickness measurement, height measurement, side length measurement, straightness measurement, slit measurement, inner hole measurement and the like, thereby meeting the testing requirements.

[0054] In actual detection, it can be designed according to actual use requirements, thereby meeting the predetermined detection requirements.

[0055] In the embodiment of the utility model, the wall surface opposite to the light splitting mirror 42 and the light source is a reflecting surface 421.

[0056] The wall surface opposite to the image acquisition port of the beam splitter 42 is a transparent surface 422, and by changing the structure of the beam splitter 42, the light irradiation and image acquisition are realized.

[0057] Specifically, the image acquisition port is a circular hole, and the CCD camera preferably adopts a 20 million pixel camera, so that different detection requirements can be met.

[0058] The jig comprises a base 60, a first clamping groove 61 and a second clamping groove 62 arranged at the front and rear ends of the base, the base is pivotally installed with a limiting plate 63 at the position of the first clamping groove, and the limiting plate can swing between a position folded with the base or a position away from the base.

[0059] One side of the second clamping groove is provided with a positioning plate 64, and the positioning plate is pivotally installed on one side of the base, and the positioning plate can swing between a position close to the second clamping groove or a position away from the second clamping groove.

[0060] The limiting and fixing of the cable and the connecting end are realized, and of course a plurality of wire harnesses can also be arranged behind the predetermined positioning structure, and then the positioning structure is placed on the jig.

[0061] The arrangement of the first clamping groove and the second clamping groove can ensure the limiting of the two ends of the product, so as to avoid the detection error caused by the inclination of the detection surface.

[0062] Specifically, the longitudinal moving device comprises a longitudinal guide rail, a longitudinal sliding block arranged on the longitudinal guide rail, and a longitudinal screw pair for driving the longitudinal sliding block to move.

[0063] The transverse screw pair comprises a longitudinal servo rotary motor, a longitudinal ball screw connected with the longitudinal servo rotary motor, and a longitudinal screw nut matched with the longitudinal ball screw, and the longitudinal screw nut is arranged on the longitudinal sliding block.

[0064] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the application concept of the present application is included in the patent protection range of the present application.

Claims

1. A visual inspection mechanism for a data connector, comprising: It comprises: a base provided with a lateral moving device; an image acquisition module provided on the lateral moving device, the lateral moving device being capable of moving the image acquisition module, the image acquisition module comprising a lens and a CCD camera provided behind the lens; a light source, which is a parallel light source; a longitudinal moving device provided on the base, the longitudinal moving device being provided with a jig, the jig being provided with a plurality of positioning grooves for clamping cables and connectors; a light splitting device provided in front of the lens, the light source being provided on the side wall of the light splitting device, the light splitting device being used for irradiating the light of the light source on a product and capable of projecting the image of the product to the CCD camera.

2. The visual inspection mechanism of a data connector of claim 1, wherein: The base is concavely provided with a sunken groove, the lateral moving device is provided in the sunken groove, and the lateral moving device is provided below the horizontal plane of the base.

3. The visual inspection mechanism of a data connector of claim 1, wherein: The light splitting device is fixedly provided in the sunken groove, the lateral moving device comprises a lateral guide rail, a lateral sliding block provided on the lateral guide rail, and a lateral screw rod pair for driving the lateral sliding block to move.

4. The visual inspection mechanism of a data connector of claim 3, wherein: The lateral screw rod pair comprises a lateral servo rotating motor, a lateral ball screw connected with the lateral servo rotating motor, and a lateral screw rod nut matched with the lateral ball screw, the lateral screw rod nut being provided on the lateral sliding block. The lateral servo rotating motor is provided above the light splitting device.

5. The visual inspection mechanism of data connectors of claim 3, wherein: The light splitting device comprises a housing, a light splitting mirror provided on the housing, and a light source, the housing being provided with an inner cavity, the inner cavity being provided with a partition plate, the partition plate dividing the inner cavity into a light guide channel and a mounting cavity. The light splitting mirror is obliquely provided in the light guide channel, the rear end of the light guide channel is oppositely arranged with the CCD camera and is provided with an image acquisition port. The mounting cavity is provided on one side of the light guide channel, the light source is provided in the mounting cavity, the side wall of the light guide channel is oppositely arranged with the light source, and the front end of the light guide channel is a light guide port. The light splitting mirror is used for irradiating the light of the light source on the light guide port and refracting the image of the light guide port to the image acquisition port.

6. The visual inspection mechanism of a data connector of claim 5, wherein: The inclination angle of the light splitting mirror is 45 degrees.

7. The visual inspection mechanism of a data connector of claim 1, wherein: The lens is a double-telecentric lens.

8. The visual inspection mechanism of data connectors of claim 5, wherein: The wall surface opposite to the light source of the light splitting mirror is a reflecting surface. The wall surface opposite to the image acquisition port of the light splitting mirror is a transparent surface. The image acquisition port is a circular hole.

9. The visual inspection mechanism of a data connector of claim 1, wherein: The jig comprises a base, a first clamping groove and a second clamping groove provided on the front and rear ends of the base, a limiting plate is pivotally installed on the base at the position of the first clamping groove, and the limiting plate can swing between the position of being folded with the base or the position of being away from the base. One side of the second clamping groove is provided with a limiting plate, the limiting plate is pivotally installed on one side of the base, and the limiting plate can swing between the position of being close to the second clamping groove or the position of being away from the second clamping groove.

10. The visual inspection mechanism of a data connector of claim 5, wherein: The longitudinal moving device comprises a longitudinal guide rail, a longitudinal sliding block provided on the longitudinal guide rail, and a longitudinal screw rod pair for driving the longitudinal sliding block to move. The longitudinal screw rod pair comprises a longitudinal servo rotating motor, a longitudinal ball screw connected with the longitudinal servo rotating motor, and a longitudinal screw rod nut matched with the longitudinal ball screw, the longitudinal screw rod nut being provided on the longitudinal sliding block.

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