Visual detection device for data connector detection equipment

Abstract

The utility model discloses a visual inspection device for data connector inspection equipment, which comprises a base and an image acquisition module, 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 splitting device comprises a shell, a spectroscope and a light source, the spectroscope and the light source are arranged on the shell, 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, the spectroscope is obliquely arranged in the light guide channel, and the light source is arranged in the mounting cavity. The rear end of the light guide channel is arranged opposite to the CCD camera and is provided with an image acquisition port; the mounting cavity is formed in 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 opposite to the light source, a light guide opening is formed in the front end of the light guide channel, and the spectroscope is used for irradiating light of the light source to the light guide opening and refracting an image of the light guide opening to the image acquisition opening.

Description

TECHNICAL FIELD

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

[0002] Visual inspection is to replace human eye with machine to measure and judge.Visual inspection refers to the image signal of the target to be taken by machine vision product (i.e.image taking device, divided into CMOS and CCD two kinds) is converted, is transmitted to dedicated image processing system, according to pixel distribution and brightness, color etc., is converted 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] The existing horizontal visual inspection device, for example, the applicant's Chinese patent 202323456938.8, in order to realize the detection of product overall, both sides are provided with light source, but for some product smaller side wall detection, if the volume of light source is larger (the first light source of the application is located in front of visual inspection device), then it will affect the detection of product (i.e.the travel between visual inspection mechanism and product is longer), therefore change the structure of light source, and improve the detection precision of visual inspection device is the key of design.

[0004] In the existing demand of purchaser, the existing data connector is composed of several cables and integrally injection molded, so the gap between the end of cable and the end, the height, the flushness and the levelness are related to the assembly precision in later period, so how to realize the detection of this type is the key of design, therefore the design requirement of visual inspection device is also improved. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide a kind of visual inspection device for data connector detection equipment, to improve the existing visual inspection device for data connector detection equipment, make it become standard structure, and then the side wall of product can be detected, to meet the detection requirement of product;

[0006] Visual inspection device can detect the gap, height, flushness and levelness of the vertical plane of product, to improve the detection precision.

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

[0008] Base, the base is provided with transverse moving device;

[0009] An image acquisition module is arranged on a 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;

[0010] A light splitting device comprises a housing, a light splitting mirror arranged on the housing, and a light source, the housing 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,

[0011] The light splitting mirror is arranged in the light guide channel in an inclined manner, the rear end of the light guide channel is arranged opposite to the CCD camera and is provided with an image acquisition port;

[0012] 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,

[0013] 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.

[0014] In actual design, the problem of large length stroke of multiple light sources of the existing visual detection equipment is changed, and the light source is arranged on one side, so that the overall volume of the light splitting device is smaller, and in actual detection,

[0015] 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 lateral moving device, and then the image of the object is acquired through the light splitting mirror, which has simple and stable structure;

[0016] At the same time, the visual detection device can detect the gap, height, flatness and levelness of the vertical plane of the product, so as to improve the detection precision. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the detection equipment hidden in the box body;

[0018] Figure 2 It is a sectional view of the detection equipment;

[0019] Figure 3 It is a schematic view of the detection equipment;

[0020] Figure 4 It is a schematic view of the light splitting device;

[0021] Figure 5 It is a schematic view of the light splitting device;

[0022] Figure 6 It is a schematic view of the detection equipment.

[0023] In the drawings,

[0024] 1 is a machine base, 10 is a sink,

[0025] 2 is a transverse moving device, 21 is a transverse guide rail, 22 is a transverse slider, 23 is a transverse servo rotating motor,

[0026] 3 is an image acquisition module, 31 is a lens, 32 is a CCD camera,

[0027] 4 is a light splitting device, 41 is a housing, 42 is a light splitter, 43 is a light source, 421 is a reflecting surface, 422 is a transparent surface,

[0028] 5 is a partition, 50 is a light guide channel, 51 is a mounting cavity, 52 is a light guide opening, 53 is an image acquisition opening,

[0029] 6 is a jig. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of 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.

[0031] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings). If the certain posture changes, the directional indications also change accordingly.

[0032] In addition, if the embodiments of the present application involve descriptions of "first" or "second", etc., the descriptions of "first" or "second" are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but must be based on the realization of a person 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.

[0033] As shown in Figures 1 to 5 a visual inspection device for a data connector inspection apparatus, comprising:

[0034] A base 1 is provided with a lateral moving device 2;

[0035] An image acquisition module 3 is arranged on the lateral moving device 2, the lateral moving device 2 can drive the image acquisition module 3 to move, the image acquisition module 3 comprises a lens 31 and a CCD camera 32 arranged behind the lens 31;

[0036] A light splitting device comprises a shell, a light splitting mirror 42 and a light source 43 arranged on the shell, the shell is provided with an inner cavity, the inner cavity is provided with a partition plate 5, the partition plate 5 divides the inner cavity into a light guide channel 50 and a mounting cavity 51,

[0037] The light splitting mirror 42 is arranged in the light guide channel 50 in an inclined manner, the rear end of the light guide channel 50 is arranged opposite to the CCD camera 32 and is provided with an image acquisition port;

[0038] The mounting cavity 51 is arranged on one side of the light guide channel 50, the light source 43 is arranged in the mounting cavity 51, the side wall of the light guide channel 50 is arranged opposite to the light source 43, and the front end of the light guide channel 50 is a light guide port 52,

[0039] The light splitting mirror 42 is used for irradiating the light of the light source 43 on the light guide port 52 and refracting the image of the light guide port 52 to the image acquisition port.

[0040] In the actual design, the length of the existing multiple light sources 43 is changed, the problem of large stroke is solved, the light source 43 is arranged on the side, the overall volume of the light splitting device is smaller, and in the actual detection,

[0041] When the light source 43 is turned on, the light splitting mirror 42 irradiates the predetermined light on the object to be detected, then the CCD camera 32 adjusts the relative position with the light splitting mirror 42 through the lateral moving device 2, and then the image of the object is acquired through the light splitting mirror 42, which is simple and stable in structure.

[0042] The product can be placed on the jig, and then the predetermined detection surface of the product is arranged opposite to the light splitting mirror.

[0043] In the embodiment of the utility model, the base 1 is concavely 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, so that the detection device is more compact and stable, and the overall volume of the equipment is reduced.

[0044] Specifically, the light splitting device is fixedly arranged in the sunken groove 10;

[0045] The lateral moving device 2 comprises a lateral guide rail 21, a lateral sliding block 22 arranged on the lateral guide rail 21 and a lateral screw pair for driving the lateral sliding block to move.

[0046] In the embodiment of the utility model, the transverse screw rod pair includes transverse servo rotary motor 23, transverse ball screw connected with transverse servo rotary motor 23 and transverse screw rod nut matched with transverse ball screw,

[0047] The transverse servo rotary motor 23 is arranged at the upper position of the light splitting device, thereby effectively saving the space of the equipment and reducing the overall length.

[0048] Specifically, the inclination angle of the light splitter 42 is 45 degrees.

[0049] In the embodiment of the utility model, the light source 43 is a parallel light source 43 and / or a coaxial light source 43, the parallel light source is also called directional light, which is a group of parallel light without attenuation, similar to the effect of sunlight. Parallel light irradiates an object, and the shadow formed by the parallel light is the 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 dimensions.

[0050] The coaxial light source 43 (diffuse coaxial lamp, metal plane diffuse reflection light source 43) provides more uniform illumination than the traditional light source 43, thereby improving the accuracy and reproducibility of machine vision, uniformly illuminating the plane, and mainly used for detecting plane objects with high reflectivity, such as glass. The coaxial light source 43 can highlight the unevenness of the object surface, overcome the interference caused by surface reflection, and is mainly used for detecting scratches, scratches, cracks and foreign matters on the smooth surface of the object.

[0051] Specifically, the lens 31 is a double-telecentric lens, which is suitable for circular objects and the like by cooperating with the telecentric lens and the parallel light source, 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 test requirements.

[0052] In actual detection, the actual use requirement can be designed to meet the predetermined detection requirement.

[0053] In the embodiment of the utility model, the wall surface opposite to the light source of the light splitter 42 is a reflective surface 421.

[0054] The wall surface opposite to the image acquisition port of the light splitter 42 is a transparent surface 422, and the light and image acquisition are realized by changing the structure of the light splitter 42.

[0055] Specifically, the image acquisition port is a circular hole, and the CCD camera preferably adopts a camera with 20 million pixels, thereby meeting different detection requirements.

[0056] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields, or the like, made under the inventive concept of the present application, using the content of the present application specification and drawings, are included in the patent protection scope of the present application.

Claims

1. A vision detection apparatus for a data connector detection apparatus, characterized by, The utility model relates to a kind of image acquisition device, including: Machine base, the machine base is equipped with transverse moving device; Image acquisition module, the image acquisition module is equipped in transverse moving device, the transverse moving device can drive image acquisition module to move, and the image acquisition module includes lens and the CCD camera equipped behind lens; Spectroscopic device, the spectroscopic device includes shell, the spectroscopic mirror equipped in shell and light source, the shell is equipped with inner cavity, the inner cavity is equipped with partition, the partition divides into light guide channel and installation cavity, The spectroscopic mirror is obliquely equipped in light guide channel, and the rear end of the light guide channel is oppositely arranged with CCD camera and is equipped with image acquisition port; The installation cavity is equipped in one side of light guide channel, and the light source is equipped in installation cavity, the side wall of the light guide channel is oppositely arranged with light source, and the front end of the light guide channel is light guide port, The spectroscopic mirror is used to irradiate the light of light source on light guide port and refract the image of light guide port to image acquisition port.

2. The vision inspection apparatus for data connector inspection equipment of claim 1, wherein: The machine base is concavely equipped with sunken groove, and the transverse moving device is equipped in sunken groove, and the transverse moving device is arranged below the horizontal plane of machine base.

3. The vision inspection apparatus for data connector inspection equipment of claim 1, wherein: The spectroscopic device is fixedly equipped in sunken groove;The transverse moving device includes transverse guide rail, transverse sliding block equipped in transverse guide rail and transverse screw pair for driving transverse sliding block to move.

4. The vision inspection apparatus for data connector inspection equipment of claim 3, wherein: The transverse screw pair includes transverse servo rotary motor, transverse ball screw connected with transverse servo rotary motor and transverse screw nut matched with transverse ball screw, and the transverse screw nut is equipped on transverse sliding block, The transverse servo rotary motor is arranged above the spectroscopic device.

5. The vision inspection apparatus for data connector inspection equipment of claim 3, wherein: The oblique angle of the spectroscopic mirror is 45 degrees.

6. The vision inspection apparatus for data connector inspection equipment of claim 1, wherein: The light source is parallel light source and / or coaxial light source.

7. The vision inspection apparatus for data connector inspection equipment of claim 1, wherein: The lens is double-telecentric lens.

8. The vision inspection apparatus for data connector inspection equipment of claim 1, wherein: The wall surface opposite to the spectroscopic mirror and light source is reflective surface; The wall surface opposite to the spectroscopic mirror and image acquisition port is transparent surface.

9. The vision inspection system for data connector inspection equipment of claim 1, wherein: The image acquisition port is round hole.

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