CN217007052U

CN217007052U - Automatic feeding positioning device for visual inspection

Info

Publication number: CN217007052U
Application number: CN202220716119.9U
Authority: CN
Inventors: 张路生; 片桐让; 杨永光; 谷保艳
Original assignee: Shandong Hualing Electronics Co Ltd
Current assignee: Shandong Hualing Electronics Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-19
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to the technical field of thin sheet defect detection, in particular to an automatic feeding and positioning device for visual detection, which can meet the requirement of focal length adjustment of thin sheets with different thicknesses in the visual detection process, can realize continuous automatic feeding of materials to be detected and ensure safe and stable material conveying without scratches The participation of personnel is reduced, and unnecessary pollution to products is reduced.

Description

Automatic feeding positioning device for visual inspection

The technical field is as follows:

the utility model relates to the technical field of thin sheet defect detection, in particular to an automatic feeding and positioning device for visual detection, which can meet the requirement of focal length adjustment of thin sheets with different thicknesses in the visual detection process, can realize continuous automatic feeding of materials to be detected and ensure safe and stable material transmission without scratches.

Background art:

planar product especially thermal printing manufacturing uses ceramic substrate is after the printing, in order to inspect surface condition, need inspect the ceramic substrate surface, this kind of inspection relies on visual detection mechanism to realize after gathering product surface image, therefore need wait to detect the product and send the camera shooting region in visual detection mechanism in proper order among the testing process, make the camera can catch clearly, accurate image data, however because the variety of product specification, it is different to wait to examine the thickness of side ceramic substrate, traditional testing method will wait to examine side ceramic substrate and place in on the platform of detection area, this scheme leads to when the ceramic substrate thickness that awaits measuring changes, the work focus that is located the camera of the ceramic substrate top that awaits measuring needs to correspond the adjustment, frequent regulation camera focus has seriously influenced detection efficiency.

In addition, the thickness of the ceramic substrate for the thermal printing head is small, a precise circuit is printed on the surface of the ceramic substrate, and the circuit structure even extends to the edge of the ceramic substrate, so that the collision to the edge of the ceramic substrate needs to be avoided in the conveying process of the material to be detected, and the damage to the ceramic substrate is avoided.

The utility model content is as follows:

aiming at the defects and shortcomings in the prior art, the utility model provides the automatic feeding and positioning device for the visual inspection, which can reduce the frequency of adjusting the focal length of the camera, improve the inspection efficiency and ensure stable transportation and accurate positioning of the side substrate to be inspected on the premise of meeting the requirement of acquiring the inspection image.

The utility model is achieved by the following measures:

the utility model provides an automatic feeding positioner for visual inspection is equipped with the subassembly of making a video recording, and the subassembly below of making a video recording is detection area, its characterized in that, be equipped with in the detection area and be used for waiting to examine the side material and send into/send out detection area's detection translation mechanism, detection translation mechanism includes electric jar, bottom plate, support column, locating frame, lift the subassembly, and wherein the bottom plate is fixed on the electric jar, and the locating frame is fixed on the bottom plate through the support column, lifts the layer board that the subassembly is connected with the bottom plate for lifting the cylinder, and the below of locating frame is equipped with two sets of components that lift that set up in parallel, and the upside of lifting the layer board in the subassembly is equipped with the polyurethane pad.

The detection translation mechanism is also provided with a positioning pin and a positioning cylinder which are used for positioning a material to be detected, the positioning pin and the positioning cylinder are respectively fixed on the supporting plates of the two groups of lifting assemblies and are respectively positioned at two sides of a material placing area to be detected, and after the lifting assemblies bear the material to be detected, the positioning cylinder is used for pushing the material to be detected to the positioning pin direction so as to adjust the position of the material to be detected.

The optical fiber sensor is arranged on the upper side of the supporting plate in the lifting assembly and used for detecting whether the material to be detected exists on the current positioning supporting plate or not.

The utility model is also provided with a feeding switching mechanism and a discharging switching mechanism which are matched with the detection translation mechanism, wherein a switching electric cylinder, a bracket, a switching table and an optical fiber sensor are arranged in the feeding switching mechanism and the discharging switching mechanism respectively, the switching table is fixed on the switching electric cylinder through the bracket, the switching electric cylinder is used for driving the switching table to be close to or far away from the detection translation mechanism, the optical fiber sensor is arranged on the upper surface of the switching table, the height of the table top of the switching table is less than the height of a positioning frame in the detection translation mechanism, the width of the table top of the switching table is less than the distance between two groups of lifting components in the detection translation mechanism, so that when the switching table is driven by the switching electric cylinder to be close to the detection translation mechanism, the switching table can be placed below the positioning frame to wait for the lifting components to loosen/lift the materials after the detection or wait for the detection materials, to complete the unloading and loading process.

The feeding transfer mechanism is also provided with a feeding positioning piece and a positioning cylinder, wherein the feeding positioning piece is higher than the feeding transfer table, and the feeding positioning piece is connected to the side surface of the feeding transfer table through the positioning cylinder and used for pulling the feeding positioning piece through the positioning cylinder during working so as to push a material supported on the transfer table and ensure the material positioning effect.

The camera shooting component of the utility model is fixed at one side of the detection area through the support, the camera shooting component comprises a camera, a lens and a light source, wherein the camera and the lens are fixed on the upper part of the support through the supporting component, the light source is fixed on the lower part of the support through the light source bracket and is positioned below the lens, the supporting component comprises a fixing plate, an adjusting block, a guide rail and a locking wire, the guide rail is vertically fixed on the support, the adjusting block is matched with the guide rail and can slide along the guide rail, the adjusting block and the guide rail are provided with locking screw holes matched with each other, the locking wire is used for locking the relative position of the adjusting block and the guide rail, the front end of the fixing plate is connected with the lens and the camera, the rear end of the fixing plate is connected with the adjusting block, before the equipment works, the heights of the camera and the lens are adjusted through the adjusting block, after the adjustment is finished, the light source is arranged below the product, and the camera and the lens are arranged above the product and are fixed in position.

When the utility model works, the feeding switching mechanism, the detection translation mechanism and the discharging switching mechanism are arranged on the same straight line, a feeding clamping jaw or a sucking disc conveys a material to be detected to the detection translation mechanism along the straight line through the feeding switching mechanism, in the process, a switching platform in the feeding switching mechanism lifts the material to be detected and enters between a supporting plate and a positioning frame in the detection translation mechanism, a positioning cylinder on the supporting plate pushes the material to be detected suspended above the supporting plate towards the positioning pin at the moment, the position of the material to be detected is adjusted, then a lifting cylinder is started, the material to be detected is lifted upwards by the supporting plate and is clamped between the positioning frame and the supporting plate, the switching platform in the feeding switching mechanism returns to the original position, an electric cylinder in the detection translation mechanism drives the clamped material to be detected to move to an effective detection area, and the image data of the surface of the material to be detected is acquired by a camera assembly in the detection area, after the collection is finished, the detection translation mechanism is matched with the blanking switching mechanism, the detected material is lifted by using a switching table in the blanking switching mechanism when the lifting cylinder loosens the supporting plate, and then the detected material is moved out of a detection area by using a blanking cylinder in the blanking switching mechanism; and the feeding switching mechanism, the detecting translation mechanism and the discharging switching mechanism are sequentially relayed to complete the detection of a plurality of materials.

Compared with the prior art, the detection device has the advantages that the lifting assembly is arranged in the detection translation mechanism, the height of the preset camera assembly does not need to be repeatedly adjusted according to the thickness change of the material to be detected, the detection efficiency is obviously improved, meanwhile, the collision between the workbench and the carrying claw is avoided by arranging the feeding switching mechanism and the discharging switching mechanism, the structure is reasonable, the detection efficiency is high, the participation of personnel is reduced, the unnecessary pollution to products is reduced, and the like.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the translation detecting mechanism in the present invention.

Fig. 3 is a schematic structural diagram of the feeding adapter mechanism of the utility model.

Fig. 4 is a schematic structural view of the blanking adapter mechanism of the present invention.

Fig. 5 is a schematic structural view of the camera module of the present invention.

Reference numerals are as follows: the device comprises a camera shooting assembly 1, a detection translation mechanism 2, an electric cylinder 3, a bottom plate 4, a support column 5, a positioning frame 6, a lifting cylinder 7, a supporting plate 8, a positioning pin 9, a positioning cylinder 10, an optical fiber sensor 11, a feeding switching mechanism 12, a discharging switching mechanism 13, a switching electric cylinder 14, a support 15, a switching table 16, a feeding positioning piece 17, a positioning cylinder 18, a support 19, a camera 20, a lens 21, a light source 22, a light source support 23, a fixing plate 24, an adjusting block 25, a guide rail 26, a locking wire 27 and a polyurethane pad 28.

The specific implementation mode is as follows:

the utility model is further described below with reference to the accompanying drawings and examples.

Example 1:

as shown in the attached drawing 1, the present example provides an automatic feeding and positioning device for visual inspection, which is provided with a camera assembly 1, wherein a detection area is arranged below the camera assembly 1, and a detection translation mechanism 2 for sending a material to be inspected into/out of the detection area is arranged in the detection area, as shown in the attached drawing 2, the detection translation mechanism 2 comprises an electric cylinder 3, a bottom plate 4, a support column 5, a positioning frame 6 and a lifting assembly, wherein the bottom plate 4 is fixed on the electric cylinder 3, the positioning frame 6 is fixed on the bottom plate 4 through the support column 5, the lifting assembly is a supporting plate 8 connected with the bottom plate 4 through a lifting cylinder 7, two groups of lifting assemblies arranged in parallel are arranged below the positioning frame 6, and a polyurethane cushion is arranged on the upper side of the supporting plate 8 in the lifting assembly;

as shown in fig. 2, the detecting translation mechanism 2 of this embodiment is further provided with a positioning pin 9 and a positioning cylinder 10 for positioning a material to be detected on a side, the positioning pin 9 and the positioning cylinder 10 are respectively fixed on the supporting plates 8 of the two sets of lifting assemblies and respectively located on two sides of a material placement area to be detected, after the lifting assemblies support the material to be detected, the positioning cylinder 10 is used for pushing the material to be detected toward the positioning pin 9, so as to adjust the position of the material to be detected, in this embodiment, more than two positioning pins 9 and two positioning cylinders 10 may be provided as required; an optical fiber sensor 11 is arranged on the upper side of a supporting plate 8 in the lifting assembly and used for detecting whether a material to be detected exists on the current supporting plate 8;

as shown in fig. 3, a feeding adapting mechanism 12 and a discharging adapting mechanism 13 are further provided, which are matched with the detecting translating mechanism 2, wherein a adapting electric cylinder 14, a support 15, an adapting table 16 and an optical fiber sensor 11 are respectively provided in the feeding adapting mechanism 12 and the discharging adapting mechanism 13, the adapting table 16 is fixed on the adapting electric cylinder 14 through the support 15, the adapting electric cylinder 14 is used for driving the adapting table 16 to be close to or far from the detecting translating mechanism 2, the optical fiber sensor 11 is provided on the upper surface of the adapting table 16, the table height of the adapting table 16 is smaller than the height of the positioning frame 6 in the detecting translating mechanism 2, the table width of the adapting table 16 is smaller than the distance between two sets of lifting components in the detecting translating mechanism 2, so that when the adapting table 16 is driven by the adapting electric cylinder 14 to be close to the detecting translating mechanism 2, the adapting table 16 can be placed below the positioning frame 6, waiting for the lifting assembly to loosen/lift the detected material or waiting for the detected material to finish the discharging and feeding processes;

the feeding adapter mechanism 12 is also internally provided with a feeding positioning piece 17 and a positioning cylinder 18, the feeding positioning piece 17 is higher than the feeding adapter table 16, the feeding positioning piece 17 is connected to the side surface of the feeding adapter table 16 through the positioning cylinder 18 and used for pulling the feeding positioning piece 17 through the positioning cylinder 18 during working so as to push materials supported on the adapter table 16 and ensure the material positioning effect;

as shown in fig. 5, the camera module is fixed on one side of the detection area through a support 19, the camera module includes a camera 20, a lens 21 and a light source 22, wherein the camera 20 and the lens 21 are fixed on the upper portion of the support 19 through a support module, the light source 22 is fixed on the lower portion of the support 19 through a light source bracket 23 and is located below the lens, the support module includes a fixing plate 24, an adjusting block 25, a guide rail 26 and a locking wire 27, the guide rail 26 is vertically fixed on the support 19, the adjusting block 25 is matched with the guide rail 26 and can slide along the guide rail 26, the adjusting block 25 and the guide rail 26 are provided with locking wire holes matched with each other, the locking wire 27 is used for locking the relative positions of the adjusting block 25 and the guide rail 26, the front end of the fixing plate 24 is connected with the lens 21 and the camera 20, the rear end of the fixing plate 24 is connected with the adjusting block 25, before the device works, the heights of the camera and the lens are adjusted through the adjusting block 25, after the adjustment is finished, the light source 22 is arranged below the product, and the camera and the lens are arranged above the product and are fixed in position;

when the device works, the feeding switching mechanism 12, the detection translation mechanism 2 and the discharging switching mechanism 13 are arranged on the same straight line, a feeding clamping jaw or a sucking disc conveys a material to be detected to the detection translation mechanism 2 along the straight line through the feeding switching mechanism 12, in the process, a switching table 16 in the feeding switching mechanism 12 lifts the material to be detected and enters between a supporting plate 8 and a positioning frame 6 in the detection translation mechanism 2, a positioning cylinder 10 on the supporting plate 8 pushes the material to be detected suspended above the supporting plate 8 towards a positioning pin 9, the position of the material to be detected is adjusted, then a lifting cylinder 7 is started, the material to be detected is lifted upwards by the supporting plate 8 and clamped between the positioning frame 6 and the supporting plate 8, the switching table 16 in the feeding switching mechanism 12 returns to the original position, and the electric cylinder 3 in the detection translation mechanism 2 drives the clamped material to be detected to move to an effective detection area, the method comprises the steps that image data of the surface of a material to be detected are collected by a camera assembly 1 in a detection area, after collection is finished, a detection translation mechanism 2 is matched with a blanking switching mechanism 13, a switching table 16 in the blanking switching mechanism 13 is utilized, when a supporting plate 8 is loosened by a lifting cylinder 7, the detected material is lifted, and then the detected material is moved out of the detection area by a blanking switching cylinder 14 in the blanking switching mechanism 13; the feeding switching mechanism 12, the detecting translation mechanism 2 and the discharging switching mechanism 13 are sequentially relayed to complete the detection of a plurality of materials.

Claims

1. The utility model provides an automatic feeding positioner for visual inspection is equipped with the subassembly of making a video recording, and the subassembly below of making a video recording is detection area, its characterized in that, be equipped with in the detection area and be used for waiting to examine the side material and send into/send out detection area's detection translation mechanism, detection translation mechanism includes electric jar, bottom plate, support column, locating frame, lift the subassembly, and wherein the bottom plate is fixed on the electric jar, and the locating frame is fixed on the bottom plate through the support column, lifts the layer board that the subassembly is connected with the bottom plate for lifting the cylinder, and the below of locating frame is equipped with two sets of components that lift that set up in parallel, and the upside of lifting the layer board in the subassembly is equipped with the polyurethane pad.

2. The automatic feeding and positioning device for visual inspection as claimed in claim 1, wherein the inspection translation mechanism further comprises a positioning pin and a positioning cylinder for positioning the material to be inspected, the positioning pin and the positioning cylinder are respectively fixed on the supporting plates of the two sets of lifting assemblies and respectively located at two sides of the placement area of the material to be inspected, and after the lifting assemblies support the material to be inspected, the positioning cylinder is used for pushing the material to be inspected towards the positioning pin so as to align the position of the material to be inspected.

3. The automatic feeding and positioning device for visual inspection as claimed in claim 2, wherein the supporting plate of the lifting assembly is provided with an optical fiber sensor at its upper side.

4. The automatic feeding and positioning device for visual inspection as claimed in claim 1, further comprising a feeding and discharging switching mechanism and a feeding and discharging switching mechanism, wherein the feeding and discharging switching mechanism and the detecting translation mechanism are respectively provided with a switching electric cylinder, a support, a switching table and an optical fiber sensor, the switching table is fixed on the switching electric cylinder through the support, the switching electric cylinder is used for driving the switching table to approach or depart from the detecting translation mechanism, the optical fiber sensor is arranged on the upper surface of the switching table, the height of the table top of the switching table is smaller than the height of the positioning frame in the detecting translation mechanism, the width of the table top of the switching table is smaller than the distance between two sets of lifting components in the detecting translation mechanism, so that the switching table can be placed below the positioning frame when the switching table approaches the detecting translation mechanism under the driving of the switching electric cylinder, and waiting for the lifting assembly to loosen/lift the detected material or waiting for the detected material to finish the discharging and feeding processes.

5. The automatic feeding and positioning device for the visual inspection as claimed in claim 4, wherein a feeding positioning member and a positioning cylinder are further arranged in the feeding transfer mechanism, the feeding positioning member is higher than the feeding transfer table, and the feeding positioning member is connected to the side surface of the feeding transfer table through the positioning cylinder.

6. The automatic feeding and positioning device for the visual inspection according to claim 1, wherein the camera assembly is fixed on one side of the inspection area through a support, the camera assembly comprises a camera, a lens and a light source, wherein the camera and the lens are fixed on the upper portion of the support through a support assembly, the light source is fixed on the lower portion of the support through a light source support and located below the lens, the support assembly comprises a fixing plate, an adjusting block, a guide rail and a locking wire, the guide rail is vertically fixed on the support, the adjusting block is matched with the guide rail and can slide along the guide rail, matched locking wire holes are formed in the adjusting block and the guide rail, the locking wire is used for locking the relative positions of the adjusting block and the guide rail, the lens and the camera are connected to the front end of the fixing plate, and the adjusting block is connected to the rear end of the fixing plate.