CN211563743U - Appearance inspection equipment - Google Patents

Abstract

The utility model discloses an appearance inspection device, including a machine platform and a material bearing device, a detection device and a material clamping and flipping device arranged on the machine platform. The material bearing device can be movably installed on the machine platform and cooperate with the detection device. There are multiple detection devices, and the multiple detection devices are respectively used to detect the top surface, side surface and bottom surface of the material carried by the material bearing device. The material clamping and flipping device is installed below one of the detection devices, and the material clamping and flipping device cooperates with the material bearing device to flip the material 180°. The appearance inspection device has a 360° detection function without dead angles, and can be adapted to the detection of large quantities of small and precise parts, with high detection efficiency, fast speed and accurate detection data.

Description

Appearance inspection equipment

technical field

The utility model relates to the field of detection machinery and equipment, in particular to an appearance detection device.

Background technique

A mobile phone, also known as a mobile phone, or a wireless phone, is a communication tool and a portable phone terminal that can be used in a wide range. Therefore, the mobile phone has become one of the indispensable communication devices in people's lives.

In the manufacturing process of mobile phones, many small and precise parts are involved. When processing or using these parts, it is necessary to carry out appearance inspection of these parts to remove defective products. At present, the appearance inspection and identification of these parts are mostly carried out by the naked eye, but due to the small size and large number of these small and precise parts, and the parts are generally only different in size, their appearance is basically indistinguishable (such as Therefore, manual detection or the combination of manual and auxiliary equipment requires long-term and high concentration. With the supply of light sources and long-term work, the staff are easily distracted or due to visual fatigue. However, there are various mistakes, and ultimately the detection quality cannot be ensured, and the work efficiency is low.

Utility model content

The purpose of the present invention is to provide an appearance detection device with high detection efficiency and high degree of automation, which can at least solve one of the above problems.

According to one aspect of the present invention, an appearance inspection device is provided, which includes a machine table, a material part carrying device, a detection device and a material clamping turning device arranged on the machine table, wherein the material part carrying device is movably installed on the machine table and In cooperation with the detection device, there are multiple detection devices, and the multiple detection devices are respectively used to detect the top surface, side surface and bottom surface of the material carried by the material carrier device. The material turning device cooperates with the material carrying device and is used to turn the material 180°.

Therefore, the working principle of the appearance inspection equipment of the present invention is as follows: the material carrying device is used to carry the material and transport the material to the detection area of each detection device for detection, and the plurality of detection devices respectively detect the top of the material. The surface, side and bottom surface are comprehensively inspected. After each inspection device is inspected, the data is uploaded and compared with the system rated value, and then the material is judged whether it is a good product or not.

The appearance detection equipment of the utility model has the detection function of 360° without dead angle, and can be adapted to the detection of large quantities of small and precise parts, with high detection efficiency, high speed and accurate detection data.

In some embodiments, there are three detection devices, namely a first detection device, a second detection device and a third detection device, the first detection device, the second detection device and the third detection device are arranged in sequence, and the material carrying device The material can be driven to move between the first detection device, the second detection device and the third detection device. The first detection device is used to detect the top surface of the material, the second detection device is used to detect the side of the material, and the third detection device The detection device is used to detect the bottom surface of the material. Therefore, the utility model is provided with three detection devices, which respectively perform 360° comprehensive detection on the top surface, side surface and bottom surface of the material without dead angle, so as to ensure that the detected good material has zero defects and high quality.

In some embodiments, the detection device further includes an installation frame, the first detection device and the third detection device are respectively installed on the front and rear ends of the installation frame and are located above the material carrying device, the first detection device includes a first detection lens and The first compensation light source, the first detection lens and the first compensation light source are both installed at the front end of the mounting frame, and the first compensation light source is located below the first detection lens, the third detection device includes a third detection lens and a third compensation light source, and the third detection device includes a third detection lens and a third compensation light source. The three detection lenses and the third compensation light source are all installed at the rear end of the mounting frame, and the third compensation light source is located below the third detection lens. Therefore, each detection device is provided with a corresponding compensation light source, which is combined with the light source of the material carrying device, and the light source is sufficient, thereby ensuring the shooting quality of the detection lens and improving the accuracy of comparison.

In some embodiments, the second detection device is located between the first detection device and the third detection device, the second detection device includes a second detection lens and a second compensation light source, there are multiple second detection lenses, and a plurality of second detection lenses The detection lens is installed around the material-carrying device, and the second compensation light source is installed on the mounting frame and located above the material-carrying device. Therefore, the number of second detection lenses is set to ensure that the side surfaces of the material are detected everywhere, thereby realizing the detection function of 360° without dead angle.

In some embodiments, the material carrying device includes a moving module, a light source module and a material positioning and rotating module, the moving module is installed on the machine table, the material positioning and rotating module is installed on the moving module, and the light source module is installed In the material positioning module, the material is placed on the material positioning rotation module, and the moving module is used to drive the material positioning rotation module and the material placed thereon to move among the plurality of detection devices. Therefore, the moving module is used to drive the light source module and the material positioning and rotating module to move to the detection area of the corresponding detection device, the light source module provides sufficient light source for the detection device, and the material positioning and rotating module is used to carry the material Parts and rotate the parts at a certain angle during side inspection.

In some embodiments, the material positioning and rotating module includes a first driving member, a first mounting block, a first gear, a second gear, a rotating shaft, an optical glass and a positioning seat, and the first mounting block is mounted on the moving module, The first driving member, the first gear, the second gear and the light source module are all mounted on the first mounting block, one end of the first driving member is connected with the first gear, the second gear is meshed with the first gear, and the second gear is sleeved On the outer circumference of the rotating shaft, the positioning seat is installed on the rotating shaft, and the optical glass is sleeved on the outer circumference of the positioning seat and is located directly above the light source module. Thus, when the material needs to be rotated, the first driving element drives the first gear to rotate, drives the second gear to rotate, and then drives the rotating shaft and the positioning seat installed on the rotating shaft to rotate together to complete the rotation of the material. The light source of the light source module can pass through the optical glass, and then cooperate with the detection lens to complete the detection.

In some embodiments, the light source module includes a first light source and a second light source, the second light source is disposed on the periphery of the first light source, the first light source is a ring light source, and the second light source is a square light source. Therefore, the light source module of the present invention includes two kinds of light sources with different shapes, brightness and color of the light source, which can meet different detection requirements.

In some embodiments, the clamping and turning device includes a second mounting block, a clamping jaw, a clamping jaw cylinder, a rotating cylinder, a lift adjusting cylinder and a front and rear feeding cylinder, the clamping jaws are installed on the clamping jaw cylinder, and the clamping jaw cylinder is installed on the rotating cylinder , The rotary cylinder is installed on the lift adjustment cylinder, the lift adjustment cylinder is installed on the front and rear feed cylinders, and the front and rear feed cylinders are fixedly installed on the machine table through the second installation block. Therefore, the working principle of the clamping turning device is as follows: when the material needs to be turned over, the front and rear feeding cylinders, the lifting adjustment cylinder and the clamping jaw cylinder together drive the clamping jaw to clamp the material on the positioning seat of the positioning and rotating module. The material then rises under the driving of the lifting and adjusting cylinder, the rotating cylinder drives the gripper and the gripped material rotates 180° together, and then descends under the driving of the lifting and adjusting cylinder and releases the material under the driving of the gripper cylinder Put back the positioning seat, and finally reset back to the original position.

In some embodiments, the appearance inspection equipment further includes a control device, the control device is disposed on the machine table, and the control device is connected to the material carrying device, the detection device and the clamping turning device, and is used for controlling the material carrying device, the detection device and the The work of the clamping turning device. Therefore, the control device can be a computer, and each device is controlled by an embedded program, so as to ensure the automatic operation of each device.

The beneficial effects of the present utility model:

The appearance detection equipment of the utility model has the detection function of 360° without dead angle, and can be adapted to the detection of large quantities of small and precise parts, with high detection efficiency, high speed and accurate detection data.

Description of drawings

1 is a schematic three-dimensional structure diagram of an appearance inspection device according to an embodiment of the present invention;

FIG. 2 is a simplified three-dimensional schematic diagram of the appearance inspection equipment shown in FIG. 1;

Fig. 3 is the top-view structure schematic diagram of the appearance detection equipment shown in Fig. 2;

Fig. 4 is one of the three-dimensional structural schematic diagrams of the light source module and the material part positioning and rotating module of the appearance inspection equipment shown in Fig. 2;

Fig. 5 is the second three-dimensional structural schematic diagram of the light source module and the material part positioning and rotating module of the appearance inspection equipment shown in Fig. 2;

FIG. 6 is a schematic three-dimensional structural diagram of the clipping and turning device of the appearance inspection equipment shown in FIG. 2 .

Reference signs in Figures 1 to 6: 1-machine; 2-material carrier device; 3-detection device; 4-clamping turning device; 5-material; 21-moving module; 22-light source module ;23-Material positioning and rotation module;31-First detection device;32-Second detection device;33-Third detection device;34-Installation frame;41-Second installation block;42-Clamping jaw;43- Gripper Cylinder; 44-Rotating Cylinder; 45-Lifting and Adjusting Cylinder; 46-Front and Rear Feeding Cylinder; 221-First Light Source; 222-Second Light Source; 231-First Driving Part; 232-First Mounting Block; 233- 1st gear; 234-second gear; 235-optical glass; 236-positioning seat; 311-first detection lens; 312-first compensation light source; 321-second detection lens; 322-second compensation light source; 331- The third detection lens; 332 - the third compensation light source.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 to 6 schematically show an appearance inspection apparatus according to an embodiment of the present invention.

As shown in FIGS. 1-6 , the appearance inspection equipment includes a machine 1 , a material carrying device 2 , a detection device 3 , a clamping turning device 4 and a control device arranged on the machine 1 . The material carrier device 2 is movably installed on the machine table 1 and cooperates with the detection device 3 . There are multiple detection devices 3 , and the multiple detection devices 3 are respectively used for detecting the top surface, side surface and bottom surface of the material 5 carried by the material supporting device 2 . The clip turning device 4 is installed below one of the detection devices 3 . The clamping and turning device 4 cooperates with the material-carrying device 2 for turning the material 5 over 180°. The control device is installed on the machine table 1 . The control device is connected with the material-carrying device 2 , the detection device and the clip-turning device 4 , and is used to control the work of the material-carrying device 2 , the detecting device 3 and the clip turning device 4 . Therefore, the control device can be a computer commonly used in the market, and each device is controlled by an embedded program to ensure the automatic operation of each device.

As shown in FIG. 2 and FIG. 3 , there are three detection devices 3 in this embodiment, which are a first detection device 31 , a second detection device 32 and a third detection device 33 respectively. The first detection device 31 , the second detection device 32 and the third detection device 33 are arranged in sequence. The material carrier device 2 can drive the material 5 to move among the first detection device 31 , the second detection device 32 and the third detection device 33 . The first detection device 31 is used to detect the top surface of the material 5 ; the second detection device 32 is used to detect the side surface of the material 5 ; the third detection device 33 is used to detect the bottom surface of the material 5 . Therefore, three detection devices are set up to conduct 360° comprehensive inspection of the top surface, side surface and bottom surface of the material 5 without dead angle, so as to ensure that the tested good material has zero defects and high quality.

The detection device 3 also includes a mounting bracket 34 . The first detection device 31 and the third detection device 33 are respectively installed on the front and rear ends of the mounting frame 34 and located above the material-carrying device 2 . The first detection device 31 includes a first detection lens 311 and a first compensation light source 312 . The first detection lens 311 and the first compensation light source 312 are both mounted on the front end of the mounting frame 34 and the first compensation light source 312 is located below the first detection lens 311 . The third detection device 33 includes a third detection lens 331 and a third compensation light source 332 . The third detection lens 331 and the third compensation light source 332 are both installed at the rear end of the mounting frame 34 , and the third compensation light source 332 is located below the third detection lens 331 . Therefore, each detection device is provided with a corresponding compensation light source, which is combined with the light source of the material carrier device 2, and the light source is sufficient, thereby ensuring the shooting quality of the detection lens and improving the accuracy of comparison.

The second detection device 32 is located between the first detection device 31 and the third detection device 33 . The second detection device 32 includes a second detection lens 321 and a second compensation light source 322 . There are a plurality of second detection lenses 321 , and the plurality of second detection lenses 321 are installed around the material carrier device 2 . The second compensation light source 322 is mounted on the mounting frame 34 and is located above the material carrying device 2 . As shown in FIG. 3 , there are four second detection lenses 321 in this embodiment, and the four second detection lenses 321 are respectively installed around the second compensation light source 322 . Therefore, the second detection lens 321 is provided in multiples, which can ensure that the side surfaces of the material are detected everywhere, thereby realizing the detection function of 360° without dead angle.

As shown in FIGS. 1 and 2 , the first detection lens 311 , the second detection lens 321 and the third detection lens 331 in this embodiment can all be fine-tuned to meet actual needs. It can be realized by the cooperation of sliders, adjusting nuts and other structures.

As shown in FIG. 2 and FIGS. 4 to 5 , the material carrier device 2 includes a moving module 21 , a light source module 22 and a material positioning rotation module 23 . The moving module 21 is installed on the machine table 1, the material positioning and rotating module 23 is installed on the moving module 21, and the light source module 22 is installed on the material positioning module. The material 5 is placed on the material positioning and rotating module 23 . The moving module 21 is used to drive the material positioning and rotating module 23 and the material 5 placed thereon to move among the plurality of detection devices. The moving module 21 in this embodiment may be a conventional linear motion component, such as a linear motion component composed of a screw, a nut, a slider, a guide rail, and the like. Therefore, the moving module 21 is used to drive the light source module 22 and the material positioning rotation module 23 to move to the detection area of the corresponding detection device, the light source module 22 provides sufficient light source for the detection device, and the material positioning rotation module 23 is used to carry the material 5 and rotate the material 5 at a certain angle during side inspection.

As shown in FIGS. 4 and 5 , the material positioning and rotating module 23 includes a first driving member 231 , a first mounting block 232 , a first gear 233 , a second gear 234 , a rotating shaft, an optical glass 235 and a positioning seat 236 . The first mounting block 232 is mounted on the moving module 21 . The first driving member 231 , the first gear 233 , the second gear 234 and the light source module 22 are all mounted on the first mounting block 232 . One end of the first driving member 231 is connected with the first gear 233 , and the second gear 234 is engaged with the first gear 233 . The second gear 234 is fixedly sleeved on the outer circumference of the rotating shaft, and the positioning seat 236 is fixedly installed on the upper end of the rotating shaft. The optical glass 235 is sleeved on the outer periphery of the positioning seat 236 and is located directly above the light source module 22 . Since the material in this embodiment is circular, the positioning seat 236 is a columnar structure. Therefore, when the material needs to be rotated, the first driving member 231 drives the first gear 233 to rotate, drives the second gear 234 to rotate, and then drives the rotating shaft and the positioning seat 236 installed on the rotating shaft to rotate together to complete the rotation of the material. . The light source of the light source module 22 can pass through the optical glass 235, and then cooperate with the detection lens to complete the detection.

As shown in FIG. 4 , the light source module 22 includes a first light source 221 and a second light source 222 . The second light source 222 is disposed on the outer periphery of the first light source 221 . The first light source 221 is a ring light source, and the second light source 222 is a square light source. Therefore, the light source module 22 of the present invention includes two kinds of light sources with different shapes, brightness and color of the light source, which can meet different detection requirements.

As shown in FIG. 2 and FIG. 6 , the material clamping and turning device 4 of this embodiment includes a second mounting block 41 , a clamping jaw, a clamping jaw cylinder 43 , a rotating cylinder 44 , a lifting adjustment cylinder 45 and a front and rear feeding cylinder 46 . The gripper is installed on the gripper cylinder 43, the gripper cylinder 43 is installed on the rotating cylinder 44, the rotating cylinder 44 is installed on the lifting adjustment cylinder 45, the lifting adjustment cylinder 45 is installed on the front and rear feeding cylinder 46, and the front and rear feeding cylinder 46 is installed through the second installation The block 41 is fixedly installed on the machine table 1 . The jaw cylinder 43 can drive the jaws to open or close. The gripper cylinder 43 , the rotary cylinder 44 , the lift adjustment cylinder 45 and the front and rear feed cylinder 46 are all cylinders commonly used in the market. Therefore, the working principle of the clamping turning device 4 is as follows: when the material 5 needs to be turned over, the front and rear feeding cylinder 46, the lifting and adjusting cylinder 45 and the clamping jaw cylinder 43 together drive the clamping jaw to clamp the material part positioning and rotating module The material on the positioning seat 236 of 23 then rises under the driving of the lifting and adjusting cylinder 45, and the rotating cylinder 44 drives the gripper and the clamped material 5 to rotate 180° together, and then descends under the driving of the lifting and adjusting cylinder 45. Driven by the clamping jaw cylinder 43, the material 5 is released and put back into the positioning seat 236, and finally reset back to the original position.

According to another aspect of the present utility model, there is provided a detection method of the above-mentioned appearance detection equipment, comprising the following steps:

S1. Feeding: The material 5 is placed on the positioning seat 236 of the material carrying device 2 by a manipulator or manually.

S2. Top surface detection: The material piece 5 is moved to the detection area of the first detection device 31 under the driving of the moving module 21 of the material piece carrying device 2, and the first detection device 31 detects the top surface of the material piece 5, and Compare the test result with the system rated value in the control device database, if it meets the requirements, continue to test, if not, it will be rejected.

When the top surface is detected, the light source module 22 of the material carrier device 2 and the first compensation light source 312 of the first detection device 31 provide illumination at the same time, so as to ensure the shooting quality of the first detection lens 311 .

S3. One-time side detection: The material 5 is moved to the detection area of the second detection device 32 under the driving of the moving module 21 of the material carrier 2 , and the second detection device 32 performs the first detection on the side of the material 5 , and compare the test results with the system rated value in the control device database. If the requirements are met, the test will continue, and if not, the test will be rejected.

S4. Secondary side detection: The material 5 is rotated by 45° under the driving of the first driving member 231 of the material positioning and rotating module 23, and the second detection device 32 performs a second detection on the side of the material 5, and detects the side of the material 5. The test results are compared with the system rated values in the control device database. If the requirements are met, the test will be continued, and if not met, the test will be rejected.

During side inspection, the light source module 22 of the material carrier device 2 and the second compensation light source 322 of the second inspection device 32 simultaneously provide illumination to ensure the shooting quality of the second inspection lens 321 . The reason for the secondary detection of the sides is to detect the sides as much as possible to avoid omissions caused by the existence of shooting blind spots.

S5. Overturning of the material piece: The material piece 5 is turned over 180° under the action of the material-clamping overturning device, and then the bottom surface is turned up, and then placed on the positioning seat 236 again.

S6. Bottom surface detection: The material piece 5 is moved to the detection area of the third detection device 33 under the driving of the moving module 21 of the material piece carrying device 2. The third detection device 33 detects the bottom surface of the material piece 5, and will detect The result is compared with the system rated value in the control device database, if it meets the requirements, it is a good product, and if it does not meet the requirements, it is rejected.

When the bottom surface is detected, the light source module 22 of the material carrier device 2 and the third compensation light source 332 of the third detection device 33 simultaneously provide illumination to ensure the shooting quality of the third detection lens 331 .

S7, the material carrier device 2 is reset: the material carrier device 2 is moved to the front of the first detection device 31 under the driving of the moving module 21, and waits for feeding.

S8. Repeat the above steps S1-S7.

The appearance detection equipment of the utility model has the detection function of 360° without dead angle, and can be adapted to the detection of large quantities of small and precise parts, with high detection efficiency, high speed and accurate detection data.

The detection method of the appearance detection equipment of the utility model is a brand-new detection method, which replaces the traditional manual naked eye detection and identification method, and has high detection efficiency, accurate detection results and high degree of automation.

The above are only some embodiments of the present invention. For those skilled in the art, without departing from the inventive concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention.

Claims (9)

1. An appearance inspection device, characterized in that it comprises a machine (1) and a material-carrying device (2), a detection device (3) and a material-reversing device (4) arranged on the machine (1), so that the The material-carrying device (2) is movably installed on the machine table (1) and cooperates with the detection device (3), the detection device (3) is plural, and the plurality of detection devices (3) are respectively used for In order to detect the top surface, side surface and bottom surface of the material (5) carried by the material-carrying device (2), the clamping and turning device (4) is installed under one of the detection devices (3), and the clamping is turned over. The device (4) is matched with the material-carrying device (2) for turning the material (5) over 180°. 2. Appearance inspection equipment according to claim 1, characterized in that, there are three detection devices (3), which are respectively a first detection device (31), a second detection device (32) and a third detection device (33), the first detection device (31), the second detection device (32) and the third detection device (33) are arranged in sequence, and the material-carrying device (2) can drive the material in the first detection device (31), the second detection device (32) and the third detection device (33) move between, the first detection device (31) is used to detect the top surface of the material (5), the second detection device (32) is used for detecting the side surface of the material (5), and the third detection device (33) is used for detecting the bottom surface of the material (5). 3. Appearance inspection equipment according to claim 2, characterized in that, the inspection device (3) further comprises a mounting bracket (34), the first inspection device (31) and the third inspection device (33) are respectively The first detection device (31) includes a first detection lens (311) and a first compensation light source (312). The first detection lens (311) and the first compensation light source (312) are both mounted on the mounting frame (34), and the first compensation light source (312) is located below the first detection lens (311), and the third detection device ( 33) comprising a third detection lens (331) and a third compensation light source (332), the third detection lens (331) and the third compensation light source (332) are both mounted on the mounting bracket (34) and the third compensation light source ( 332) is located below the third detection lens (331). 4. Appearance inspection equipment according to claim 3, characterized in that the second detection device (32) is located between the first detection device (31) and the third detection device (33), and the second detection device (32) is located between the first detection device (31) and the third detection device (33). The device (32) includes a second detection lens (321) and a second compensation light source (322), the second detection lens (321) is multiple, and the multiple second detection lenses (321) are mounted on the material-carrying device (321). 2) around, the second compensation light source (322) is mounted on the mounting frame (34) and is located above the material-carrying device (2). 5. Appearance inspection equipment according to claim 1, characterized in that, the material part carrying device (2) comprises a moving module (21), a light source module (22) and a material part positioning rotation module (23) , the moving module (21) is installed on the machine table (1), the material positioning and rotating module (23) is installed on the moving module (21), and the light source module (22) is installed on the material positioning A module, the material (5) is placed in the material positioning and rotating module (23), and the moving module (21) is used to drive the material positioning and rotating module (23) and the material placed thereon (5) Moving between a plurality of detection devices (3). 6 . The appearance inspection device according to claim 5 , wherein the material positioning and rotating module ( 23 ) comprises a first driving member ( 231 ), a first mounting block ( 232 ), and a first gear ( 233 ). 7 . ), a second gear (234), a rotating shaft, an optical glass (235) and a positioning seat (236), the first mounting block (232) is mounted on the moving module (21), the first driving member (231) ), the first gear (233), the second gear (234) and the light source module (22) are all mounted on the first mounting block (232), and one end of the first driving member (231) is connected to the first gear (233). ) connection, the second gear (234) meshes with the first gear (233), the second gear (234) is sleeved on the outer circumference of the rotating shaft, the positioning seat (236) is installed on the rotating shaft, the The optical glass (235) is sleeved on the outer periphery of the positioning seat (236) and is located directly above the light source module (22). 7 . The appearance inspection device according to claim 6 , wherein the light source module ( 22 ) comprises a first light source ( 221 ) and a second light source ( 222 ), and the second light source ( 222 ) is arranged on the The outer periphery of the first light source (221), the first light source (221) is a ring light source, and the second light source (222) is a square light source. 8. Appearance inspection equipment according to claim 1, characterized in that, the clamping material turning device comprises a second mounting block (41), a clamping jaw (42), a clamping jaw cylinder (43), and a rotating cylinder (44) , Lifting and adjusting cylinder (45) and front and rear feeding cylinder (46), the clamping jaw (42) is installed on the clamping jaw cylinder (43), the clamping jaw cylinder (43) is installed in the rotating cylinder (44), the The rotary cylinder (44) is installed on the lift adjustment cylinder (45), the lift adjustment cylinder (45) is installed on the front and rear feed cylinders (46), and the front and rear feed cylinders (46) are fixed by a second mounting block (41). Installed on the machine (1). 9. The appearance inspection equipment according to any one of claims 1 to 8, characterized in that it further comprises a control device, the control device is arranged on the machine table (1), and the control device is connected to the material-carrying device (2). ), the detection device (3) and the material-clamping inversion device (4) are all connected to control the work of the material-carrying device (2), the detection device (3) and the clamping inversion device (4).

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