CN210155051U - Tinplate can inner wall defect detection device based on machine vision - Google Patents
Tinplate can inner wall defect detection device based on machine vision Download PDFInfo
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- CN210155051U CN210155051U CN201921009553.8U CN201921009553U CN210155051U CN 210155051 U CN210155051 U CN 210155051U CN 201921009553 U CN201921009553 U CN 201921009553U CN 210155051 U CN210155051 U CN 210155051U
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Abstract
The utility model discloses a tinplate can inner wall defect detection device based on machine vision, which belongs to the defect detection field and comprises chain type continuous detection equipment, a tinplate can conveying assembly and a tinplate can, wherein the tinplate can conveying assembly is fixedly arranged on the ground, the tinplate can is uniformly distributed on the upper surface of the tinplate can conveying assembly, the opening of the tinplate can is upward, and the chain type continuous detection equipment is arranged right above the tinplate can; the chain type continuous detection equipment comprises two driving wheels horizontally arranged, a conveying chain arranged on the surfaces of the two driving wheels and CCD detection assemblies which are arranged on the conveying chain and are uniformly distributed along the length direction of the conveying chain. The utility model has the advantages that: the chain type continuous detection equipment is adopted to detect the tinplate, and when the tinplate moves forwards at a uniform speed, the chain type continuous detection equipment is used for rotationally conveying the CCD detection assembly, so that the online detection of the tinplate is realized.
Description
Technical Field
The utility model relates to a defect detection field especially relates to a tinplate can inner wall defect detecting device based on machine vision.
Background
The tinplate can is a common metal packaging can and is made of sheet iron, the surface quality of the tinplate and the quality of the can body play an important role in safely storing contents, and the tinplate can is directly related to the health and the personal interests of people. The main reasons influencing the surface quality of the tinplate can include raw materials, rolling equipment, processing technology and the like, the reasons cause the surface of the tinplate to have the defects, and the common defects on the surface of the tinplate mainly include: scratches, pits, pinholes, rust spots, edge marks, etc.
For the detection of the tank body, the outer wall and the inner wall of the tank body, especially the inner wall of the tank body, are required to be measured simultaneously, so that the complexity of an online detection system of the tank body can be improved, the detection cost is increased, in a tank manufacturing enterprise, the prior art can only carry out sampling inspection generally, the inspection mainly depends on the visual observation of technicians, the online detection of the tinplate tank cannot be realized, and the defect detection rate is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems of low flaw detection rate, low efficiency and poor effect of the detection of the inner wall of the tinplate can through sampling manual inspection in the prior art, the utility model provides a tinplate can inner wall defect detection device based on machine vision, which comprises chain type continuous detection equipment, a tinplate can conveying assembly and a tinplate can, wherein the tinplate can conveying assembly is fixedly arranged on the ground, the tinplate can is uniformly distributed on the upper surface of the tinplate can conveying assembly, the opening of the tinplate can is upward, and the chain type continuous detection equipment is arranged right above the tinplate can; the chain type continuous detection equipment comprises two driving wheels horizontally arranged, a conveying chain arranged on the surfaces of the two driving wheels and CCD detection assemblies which are arranged on the conveying chain and are uniformly distributed along the length direction of the conveying chain.
The chain type continuous detection equipment is adopted to detect the tinplate, and when the tinplate moves forwards at a uniform speed, the chain type continuous detection equipment is used for rotationally conveying the CCD detection assembly, so that the online detection of the tinplate is realized.
Further, the conveying chain comprises an inner conveying chain and an outer conveying chain arranged on the outer side of the inner conveying chain, the outer conveying chain is connected with the inner conveying chain through an elastic connecting piece, a space used for containing the CCD detection assembly driving device is formed in the middle of the outer conveying chain, and the outer conveying chain is composed of mounting plates which are connected end to end along the length direction of the conveying chain.
Furthermore, the CCD detection assembly comprises a CCD detection rod, a motor assembly used for driving the CCD detection rod to rotate and a cylinder assembly used for driving the CCD detection rod to vertically move, the cylinder assembly is fixedly installed on the installation plate, the motor assembly is fixedly installed at the movable end of the cylinder assembly, and the CCD detection rod is fixedly installed on the rotating shaft of the motor assembly.
Further, the CCD detection rod comprises a rod body, a CCD camera and LED adjustable annular lamps, the rod body is fixedly installed on the rotating shaft of the motor assembly, the LED adjustable annular lamps are vertically distributed and sleeved on the rod body, and the CCD camera is installed on the rod body and located at the middle positions of the LED adjustable annular lamps.
Furthermore, the CCD cameras are distributed on two sides of the rod body and are arranged in a vertically staggered mode.
Furthermore, a cover body used for covering the tinplate can is further arranged on the movable end of the air cylinder assembly. The motor assembly is fixedly arranged on the upper surface of the cover body.
Furthermore, the defect detection device also comprises a microprocessor, and the output end of the CCD camera is connected with the input end of the microprocessor.
Utilize cylinder component drive CCD test bar vertical motion to realize that the CCD test bar gets into and leaves the tinplate jar and detect the position, motor element drive CCD test bar rotary motion realizes CCD test bar rotary detection, and the adjustable ring light of LED installed on the CCD test bar can provide comparatively ideal light for the inside CCD camera of tinplate jar shoots, and the CCD camera rotary motion that lies in the body of rod in the rotatory in-process that detects of CCD test bar shoots the state on the tinplate jar inner wall down to upload to microprocessor, microprocessor carries out analysis processes to the photo of shooing, confirms whether there is information such as defect, the position and the type of defect, reaches the purpose that the tinplate jar inner wall defect detected.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the chain type continuous detection equipment is adopted to detect the tinplate, and when the tinplate moves forwards at a uniform speed, the chain type continuous detection equipment is used for rotationally conveying the CCD detection assembly, so that the online detection of the tinplate is realized.
(2) Utilize cylinder component drive CCD test bar vertical motion to realize that the CCD test bar gets into and leaves the tinplate jar and detect the position, motor element drive CCD test bar rotary motion realizes CCD test bar rotary detection, and the adjustable ring light of LED installed on the CCD test bar can provide comparatively ideal light for the inside CCD camera of tinplate jar shoots, and the CCD camera rotary motion that lies in the body of rod in the rotatory in-process that detects of CCD test bar shoots the state on the tinplate jar inner wall down to upload to microprocessor, microprocessor carries out analysis processes to the photo of shooing, confirms whether there is information such as defect, the position and the type of defect, reaches the purpose that the tinplate jar inner wall defect detected.
Drawings
FIG. 1 is a schematic diagram of a defect inspection apparatus according to the present invention;
fig. 2 is a schematic diagram of a CCD detecting assembly according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and 2, the apparatus for detecting the inner wall defect of the tinplate can based on machine vision comprises a chain type continuous detection device 1, a tinplate can conveying assembly 2 and a tinplate can 3, wherein the tinplate can conveying assembly 2 is fixedly arranged on the ground, the tinplate cans 3 are uniformly distributed on the upper surface of the tinplate can conveying assembly 2, the openings of the tinplate cans 3 are upward, and the chain type continuous detection device 1 is installed right above the tinplate cans 3; the chain type continuous detection equipment 1 comprises two driving wheels 11 which are horizontally arranged, a conveying chain 12 which is arranged on the surfaces of the two driving wheels 11, and CCD detection assemblies 13 which are arranged on the conveying chain 12 and are uniformly distributed along the length direction of the conveying chain 12.
The chain type continuous detection equipment is adopted to detect the tinplate, and when the tinplate moves forwards at a uniform speed, the chain type continuous detection equipment is used for rotationally conveying the CCD detection assembly, so that the online detection of the tinplate is realized.
The conveying chain 12 comprises an inner conveying chain 121 and an outer conveying chain 122 arranged outside the inner conveying chain 121, the outer conveying chain 122 is connected with the inner conveying chain 121 through an elastic connecting piece 123, the elastic connecting piece can be a spring, an elastic plastic rod, an elastic textile and the like, a space for containing the driving device of the CCD detecting component 13 is formed in the middle of the outer conveying chain 122, and the outer conveying chain 122 is composed of mounting plates 124 which are connected end to end along the length direction of the conveying chain 12. The drive wheel 11 is rotatory to drive conveying chain 121 and rotates to make the CCD determine module that is located on the conveying chain also along drive wheel linear velocity direction linear motion, here can be through parameter design, make CCD determine module's velocity of motion the same with tinplate ladle conveying element's velocity of motion, thereby make the tinplate ladle realize defect detection at the in-process of motion.
The CCD detection assembly 13 includes a CCD detection rod 131, a motor assembly 132 for driving the CCD detection rod 131 to rotate, and a cylinder assembly 133 for driving the CCD detection rod 131 to vertically move, the cylinder assembly 133 is fixedly mounted on the mounting plate 124, the motor assembly 132 is fixedly mounted at the movable end of the cylinder assembly 133, and the CCD detection rod 131 is fixedly mounted on the rotating shaft of the motor assembly 132. The motor assembly may employ a servo motor.
The CCD detection assembly is in a rod-shaped design, and the detection range of the CCD camera is enabled to realize 360-degree full coverage through rotation. The LED adjustable ring lamp can enable light inside the tinplate can to be uniformly distributed, and particularly the light is kept stable in the rotating process of the rod body.
The CCD cameras 135 are distributed on two sides of the rod body 134 and are arranged in a vertically staggered mode. The number of the CCD cameras and the number of the LED adjustable ring-shaped lamps can be set according to the depth of the tinplate can, and the CCD cameras can achieve dead-angle-free shooting.
The movable end of the cylinder assembly 133 is also mounted to a cover 137 for covering the tinplate. Motor element fixed mounting be in the lid 137 upper surface, the shape of lid 137 can be the same with tin can upper shed shape or slightly big, covers tin can upper shed, prevents that external light from getting into, can realize the stable control to the inside light of tin can like this, improves defect detection's stability and accuracy.
The defect detection device further comprises a microprocessor, and the output end of the CCD camera 135 is connected with the input end of the microprocessor.
Utilize cylinder component drive CCD test bar vertical motion to realize that the CCD test bar gets into and leaves the tinplate jar and detect the position, motor element drive CCD test bar rotary motion realizes CCD test bar rotary detection, and the adjustable ring light of LED installed on the CCD test bar can provide comparatively ideal light for the inside CCD camera of tinplate jar shoots, and the CCD camera rotary motion that lies in the body of rod in the rotatory in-process that detects of CCD test bar shoots the state on the tinplate jar inner wall down to upload to microprocessor, microprocessor carries out analysis processes to the photo of shooing, confirms whether there is information such as defect, the position and the type of defect, reaches the purpose that the tinplate jar inner wall defect detected.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The device for detecting the defects of the inner wall of the tinplate can based on machine vision is characterized by comprising chain type continuous detection equipment, a tinplate can conveying assembly and a tinplate can, wherein the tinplate can conveying assembly is fixedly arranged on the ground, the tinplate cans are uniformly distributed on the upper surface of the tinplate can conveying assembly, the openings of the tinplate cans are upward, and the chain type continuous detection equipment is arranged right above the tinplate cans; the chain type continuous detection equipment comprises two driving wheels horizontally arranged, a conveying chain arranged on the surfaces of the two driving wheels and CCD detection assemblies which are arranged on the conveying chain and are uniformly distributed along the length direction of the conveying chain.
2. The tinplate can inner wall defect detection device based on machine vision as claimed in claim 1, wherein the conveying chain comprises an inner conveying chain and an outer conveying chain installed outside the inner conveying chain, the outer conveying chain and the inner conveying chain are connected through an elastic connecting piece, a space for accommodating the CCD detection assembly driving device is formed in the middle, and the outer conveying chain is composed of mounting plates which are connected end to end along the length direction of the conveying chain.
3. The tinplate inner wall defect detection device based on machine vision is characterized in that the CCD detection assembly comprises a CCD detection rod, a motor assembly and a cylinder assembly, the motor assembly is used for driving the CCD detection rod to rotate, the cylinder assembly is used for driving the CCD detection rod to vertically move, the cylinder assembly is fixedly installed on the installation plate, the motor assembly is fixedly installed at the movable end of the cylinder assembly, and the CCD detection rod is fixedly installed on the rotating shaft of the motor assembly.
4. The tinplate can inner wall defect detection device based on machine vision as claimed in claim 3, wherein the CCD detection rod comprises a rod body, a CCD camera and LED adjustable ring lamps, the rod body is fixedly installed on the rotating shaft of the motor assembly, the two LED adjustable ring lamps are vertically distributed and sleeved on the rod body, and the CCD camera is installed on the rod body and located at the middle position of the two LED adjustable ring lamps.
5. The tinplate can inner wall defect detection device based on machine vision as claimed in claim 4, wherein there are two CCD cameras, which are distributed on two sides of the rod body and are staggered up and down.
6. The tinplate inner wall defect detection device based on machine vision as claimed in claim 5, wherein the cylinder assembly is further mounted on a cover body for covering the tinplate on the movable end, and the motor assembly is fixedly mounted on the upper surface of the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921009553.8U CN210155051U (en) | 2019-07-01 | 2019-07-01 | Tinplate can inner wall defect detection device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921009553.8U CN210155051U (en) | 2019-07-01 | 2019-07-01 | Tinplate can inner wall defect detection device based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155051U true CN210155051U (en) | 2020-03-17 |
Family
ID=69764885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921009553.8U Expired - Fee Related CN210155051U (en) | 2019-07-01 | 2019-07-01 | Tinplate can inner wall defect detection device based on machine vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155051U (en) |
-
2019
- 2019-07-01 CN CN201921009553.8U patent/CN210155051U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 Termination date: 20210701 |
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| CF01 | Termination of patent right due to non-payment of annual fee |