CN112525915A - Machine part appearance defect detection device - Google Patents
Machine part appearance defect detection device Download PDFInfo
- Publication number
- CN112525915A CN112525915A CN202011192538.9A CN202011192538A CN112525915A CN 112525915 A CN112525915 A CN 112525915A CN 202011192538 A CN202011192538 A CN 202011192538A CN 112525915 A CN112525915 A CN 112525915A
- Authority
- CN
- China
- Prior art keywords
- conveyor belt
- connecting rod
- plc
- motor
- detecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007547 defect Effects 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a device for detecting appearance defects of mechanical parts, which comprises a conveyor belt, wherein two ends of the conveyor belt are respectively connected with supporting rolls matched with the conveyor belt, the supporting rolls are connected with motors, supporting frames are also erected at two sides of the conveyor belt, cameras are also respectively arranged on the supporting frames close to two side edges of the conveyor belt, the cameras are connected with a PLC (programmable logic controller), one end of each supporting frame is also provided with a connecting rod, the connecting rod is connected with the supporting frame through a movable shaft, the movable shaft is connected with a motor A, the motor A is connected with the PLC through the motor controller, and the connecting; according to the invention, through the cooperation of the camera and the PLC, rapid comparison detection is carried out, then the motor drives the connecting rod to rotate, and the magnetic adsorption force generated after the electromagnet is electrified on the surface of the connecting rod adsorbs and takes down the parts, so that the device is simple in structure, high in efficiency and suitable for defect detection of various mechanical parts.
Description
Technical Field
The invention relates to the field of mechanical equipment detection, in particular to a device for detecting appearance defects of mechanical parts.
Background
The surface smoothness of mechanical parts is the main basis for inspecting the surface quality of parts; whether the selection is reasonable or not is directly related to the quality, the service life and the production cost of the product; in general, the smaller the dimensional tolerance requirement of the mechanical part, the smaller the surface roughness value of the mechanical part, and the surface flatness of the mechanical part is related to the whole machine itself, such as the handle and hand wheel of some machines and instruments, and the modified surface of some mechanical parts of sanitary equipment and food machinery, the smooth surface of which is required, i.e. the surface roughness requirement is high, so the appearance detection of the part is very necessary;
the appearance detection of the existing parts is usually carried out in the mechanical production process, the detection process is complicated, the equipment for producing the mechanical parts is too complex, the detection effect is poor, and the production requirement at the present stage cannot be met, so that the design of a detection device which is rapid and simple in equipment is necessary.
Disclosure of Invention
The invention aims to provide a device for detecting appearance defects of mechanical parts, which solves the problems of complicated detection process and complicated equipment of the parts in the existing part production.
The technical scheme includes that the device for detecting the appearance defects of the mechanical parts comprises a conveyor belt, supporting rollers matched with the conveyor belt are connected to two ends of the conveyor belt respectively, the supporting rollers are connected with motors, supporting frames are further erected on two sides of the conveyor belt, cameras are further arranged on the supporting frames close to two side edges of the conveyor belt respectively, the cameras are connected with a PLC (programmable logic controller), a connecting rod is further arranged at one end of each supporting frame and connected with the supporting frame through a movable shaft, the movable shaft is connected with a motor A, the motor A is connected with the PLC through the motor controller, and the connecting rod is close to the surface of the.
The invention is also characterized in that:
the supporting frame is an inverted U-shaped supporting frame, the opening end of the supporting frame is erected on two sides of the conveying belt and is perpendicular to two side edges of the conveying belt, and cameras are further arranged on the two side edges of the supporting frame close to the two side edges of the conveying belt respectively;
wherein, two sides of the supporting frame are also connected with connecting rods parallel to the side of the conveyor belt, and one end of each connecting rod is connected with the connecting rod through a movable shaft;
wherein, the surface of the connecting rod is also provided with an electromagnet which is connected with the PLC controller through a starter;
wherein the closed end of the support frame is positioned right above the conveyor belt and is also provided with a lighting lamp;
the bottom of one side of the transmission belt is also provided with a collecting barrel which is close to the connecting rod and is positioned on the motion path of the connecting rod;
wherein the PLC controller is a Siemens S7-200 controller.
The invention has the beneficial effects that:
according to the device for detecting the appearance defects of the mechanical parts, the camera is matched with the PLC to carry out rapid comparison detection, then the motor drives the connecting rod to rotate, the magnetic adsorption force generated after the electromagnet is electrified on the surface of the connecting rod adsorbs and takes down the parts, the structure is simple, the efficiency is high, and the device is suitable for defect detection of various mechanical parts.
Drawings
FIG. 1 is a top view of an apparatus for inspecting appearance defects of a machine part according to the present invention.
In the figure, 1, a support frame, 2, a camera, 3, a conveyor belt, 4, a lighting lamp, 5, a connecting rod, 6, a movable shaft and 7, a collecting barrel are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a device for detecting appearance defects of mechanical parts, which comprises a conveyor belt 3, wherein two ends of the conveyor belt 3 are respectively connected with supporting rollers matched with the conveyor belt, the supporting rollers are connected with a motor, two sides of the conveyor belt 3 are also provided with supporting frames 1, the supporting frames 1 are inverted U-shaped supporting frames, the opening ends of the supporting frames 1 are erected at two sides of the conveyor belt 3 and are vertical to two side edges of the conveyor belt 3, two side edges of the supporting frames 1 close to the two side edges of the conveyor belt 3 are respectively provided with cameras 2, the cameras 2 are connected with a PLC (programmable logic controller), one end of each supporting frame 1 is also provided with a connecting rod 5, the connecting rod 5 is connected with the supporting frame 1 through a movable shaft 6, two side edges of each supporting frame 1 are also connected with connecting rods parallel to the side edges of the conveyor belt 3, one end of each connecting rod, the electromagnet is connected with a PLC (programmable logic controller) through a starter, the movable shaft 6 is connected with a motor A, the motor A is connected with the PLC through a motor controller, and the connecting rod 5 is close to the surface of the conveyor belt 3 and is parallel to the conveyor belt 3;
the closed end of the support frame 1 is positioned right above the conveyor belt 3 and is also provided with a lighting lamp 4.
The bottom of one side of the transmission belt 3 is also provided with a collecting barrel 7, and the collecting barrel 7 is close to the connecting rod 5 and is positioned on the motion path of the connecting rod 5.
The advantages of the invention are explained from the working principle:
the working state is that the produced mechanical parts are conveyed to a conveyor belt 3, the parts are sequentially placed on the surface of the conveyor belt 3, the interval between every two parts is at least 50cm in the placement process, then the parts move along with the conveyor belt 3, when the parts are conveyed to a camera 2, the conveyor belt 3 stops temporarily, the camera 2 starts shooting, the camera 2 transmits the shot pictures to a PLC (programmable logic controller), the PLC inputs a qualified three-dimensional part picture in advance before operation, then the PLC compares the picture information transmitted by the camera 2 with the qualified part picture input in advance after receiving the picture information transmitted by the camera 2, and if no difference with the qualified part picture is found after comparison, the conveyor belt 3 is controlled to continue to operate;
when the difference between the picture information of the current part transmitted by the camera 2 and the qualified part picture is detected by comparison, the conveyor belt 3 is controlled to continue to operate, then the connecting rod 5 is started, the connecting rod 5 is rotated to the surface of the conveyor belt 3 through the movable shaft 6, then the connecting rod 5 is electrified, the electromagnet on the surface of the connecting rod 5 is electrified, then the part is attracted to the connecting rod 5, then the movable shaft 6 is controlled to rotate reversely, the part is taken down from the surface of the conveyor belt 3, and finally the power supply of the electromagnet is turned off when the connecting rod 5 rotates to the position above the collecting barrel 7, and the part is collected into the collecting barrel 7;
the appearance defect detection device for the mechanical part is used for rapidly comparing and detecting through the cooperation of the camera and the PLC, the PLC inputs the appearance of the part to be detected in advance and integrates a grid diagram, the camera shoots image information of the currently detected part in real time to feed back to the PLC, the PLC performs rapid comparison and feedback, then the connecting rod is driven to rotate through the control motor A, the part is adsorbed and removed through magnetic adsorption force generated after the electromagnet is electrified on the surface of the connecting rod, the electromagnet is sufficient in magnetism after being electrified and can adsorb the part to the surface of the connecting rod, and the part can be rapidly demagnetized after being electrified.
Claims (7)
1. The utility model provides a machine part appearance defect detection device, a serial communication port, including conveyer belt (3), conveyer belt (3) both ends are connected with rather than complex backing roll respectively, the backing roll is connected with the motor, support frame (1) has still been erect in conveyer belt (3) both sides, support frame (1) are close to conveyer belt (3) both sides limit and still are provided with camera (2) respectively, camera (2) are connected with the PLC controller, support frame (1) one end still is provided with connecting rod (5), connecting rod (5) are connected with support frame (1) through loose axle (6), loose axle (6) are connected with motor A, motor A passes through the motor controller and is connected with the PLC controller, connecting rod (5) are close to conveyer belt (3) surface and are parallel with conveyer belt (3).
2. The device for detecting the appearance defects of the mechanical parts according to claim 1, wherein the supporting frame (1) is an inverted U-shaped supporting frame, the opening end of the supporting frame (1) is erected on two sides of the conveyor belt (3) and is perpendicular to two side edges of the conveyor belt (3), and the two side edges of the supporting frame (1) are provided with cameras (2) close to the two side edges of the conveyor belt (3) respectively.
3. The device for detecting the appearance defects of the mechanical parts according to claim 2, wherein connecting rods parallel to the side edges of the conveyor belt (3) are further connected to the two side edges of the support frame (1), and one ends of the connecting rods are connected with the connecting rods (5) through movable shafts (6).
4. The device for detecting the appearance defects of the mechanical parts is characterized in that electromagnets are further arranged on the surfaces of the connecting rods (5), and the electromagnets are connected with a PLC (programmable logic controller) through a starter.
5. The device for detecting the appearance defects of the mechanical parts according to claim 2, wherein a lighting lamp (4) is further arranged at the closed end of the support frame (1) right above the conveyor belt (3).
6. The device for detecting the appearance defects of the mechanical part according to claim 1, wherein a collecting barrel (7) is further arranged at the bottom of one side of the transmission belt (3), and the collecting barrel (7) is close to the connecting rod (5) and is positioned on the motion path of the connecting rod (5).
7. The device for detecting the appearance defects of the mechanical part according to claim 1, wherein the PLC is a Siemens S7-200 controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192538.9A CN112525915A (en) | 2020-10-30 | 2020-10-30 | Machine part appearance defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192538.9A CN112525915A (en) | 2020-10-30 | 2020-10-30 | Machine part appearance defect detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112525915A true CN112525915A (en) | 2021-03-19 |
Family
ID=74979294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011192538.9A Pending CN112525915A (en) | 2020-10-30 | 2020-10-30 | Machine part appearance defect detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112525915A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181709A (en) * | 2015-10-14 | 2015-12-23 | 中国计量学院 | Combined multiple-light-source on-line detection device and method for appearance defects of brake pad |
| CN105548198A (en) * | 2015-12-09 | 2016-05-04 | 哈尔滨云控机器人科技有限公司 | Method for automatically detecting quality of complex product based on cloud platform |
| CN108413873A (en) * | 2018-04-17 | 2018-08-17 | 华南理工大学 | A kind of online dimensional measurement of phone housing and surface defects detection system and method |
| CN208420730U (en) * | 2018-08-06 | 2019-01-22 | 长春光华学院 | Engine copper cap defect detecting device |
| CN109772724A (en) * | 2019-03-14 | 2019-05-21 | 溧阳市新力机械铸造有限公司 | A kind of flexible detection and analysis system of casting emphasis surface and internal flaw |
| CN110560377A (en) * | 2019-09-11 | 2019-12-13 | 河南奇测电子科技有限公司 | Cylindrical metal surface defect detection device based on machine vision |
| CN209841720U (en) * | 2019-04-09 | 2019-12-24 | 吉林艾希东光智能装备有限公司 | Industrial automation check out test set |
-
2020
- 2020-10-30 CN CN202011192538.9A patent/CN112525915A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181709A (en) * | 2015-10-14 | 2015-12-23 | 中国计量学院 | Combined multiple-light-source on-line detection device and method for appearance defects of brake pad |
| CN105548198A (en) * | 2015-12-09 | 2016-05-04 | 哈尔滨云控机器人科技有限公司 | Method for automatically detecting quality of complex product based on cloud platform |
| CN108413873A (en) * | 2018-04-17 | 2018-08-17 | 华南理工大学 | A kind of online dimensional measurement of phone housing and surface defects detection system and method |
| CN208420730U (en) * | 2018-08-06 | 2019-01-22 | 长春光华学院 | Engine copper cap defect detecting device |
| CN109772724A (en) * | 2019-03-14 | 2019-05-21 | 溧阳市新力机械铸造有限公司 | A kind of flexible detection and analysis system of casting emphasis surface and internal flaw |
| CN209841720U (en) * | 2019-04-09 | 2019-12-24 | 吉林艾希东光智能装备有限公司 | Industrial automation check out test set |
| CN110560377A (en) * | 2019-09-11 | 2019-12-13 | 河南奇测电子科技有限公司 | Cylindrical metal surface defect detection device based on machine vision |
Non-Patent Citations (1)
| Title |
|---|
| 刘川;季洪彪;: "中小型金属工件在线检测***的设计", 机械制造与自动化, no. 03, 20 June 2012 (2012-06-20), pages 9 - 11 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103658282B (en) | Stainless-steel pan automatic hemming device | |
| CN202207664U (en) | Spherical fruit automatic grader with pneumatic device | |
| CN109664088A (en) | A kind of sleeve column feeding press-loading device | |
| CN106964954A (en) | Toy fittings screw rod assembles detection means automatically | |
| CN106614987A (en) | Automatic meat stringing equipment | |
| CN108188527A (en) | A kind of mobile power tin-soldering method | |
| CN106654377A (en) | Fully-automatic shell charging equipment for lithium battery cell of new energy automobile | |
| CN112525915A (en) | Machine part appearance defect detection device | |
| CN107322467A (en) | A kind of single axis robot's movement arm support for being loaded with vacuum cup and its application method | |
| CN115565922B (en) | Silicon wafer automatic alternating double-rail sorting and feeding machine | |
| CN208856474U (en) | TP glass feed mechanism | |
| CN114965489B (en) | Conveying line with surface defect detection for ball screw pair machining | |
| CN207001010U (en) | A kind of automatic labeling product examine all-in-one | |
| CN211811788U (en) | Intermittent conveying device for packaging box processing | |
| CN213967782U (en) | Carton transport sorting device based on labview | |
| CN208603321U (en) | A kind of automatic feeding device of smoke pumping casing processing | |
| CN110763683A (en) | A automatic AOI check out test set for circuit board production and processing | |
| CN111981981A (en) | Automobile stamping automatic line detection device | |
| CN219559990U (en) | Deironing device capable of removing impurities | |
| CN116140213B (en) | Intelligent material sorting equipment and integrated control system thereof | |
| CN206466709U (en) | A kind of corrugated steel handling system | |
| CN215325171U (en) | Automatic production line | |
| CN106594093B (en) | Synchronous assembling device | |
| CN221161468U (en) | Novel water bores plastic uptake equipment | |
| CN206253497U (en) | A kind of full-automatic stainless steel tube is around pipe machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |