CN210155050U

CN210155050U - Online defect detection device for inner wall of tinplate can

Info

Publication number: CN210155050U
Application number: CN201921009550.4U
Authority: CN
Inventors: 黄艳
Original assignee: Zhangzhou Institute of Technology
Current assignee: Zhangzhou Institute of Technology
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-03-17
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses an online defect detection device for the inner wall of a tinplate can, which belongs to the field of defect detection and comprises a chain type continuous detection device, a tinplate can conveying assembly and a tinplate can, wherein the tinplate can is uniformly distributed on the upper surface of the tinplate can conveying assembly, and the chain type continuous detection device is arranged right above the tinplate can; the chain type continuous detection equipment comprises two driving wheels, a conveying chain and a CCD detection assembly arranged on the conveying chain, the tinplate can conveying assembly comprises a conveying rack, a motor assembly arranged on the conveying rack and a rotating table arranged on a rotating shaft of the motor assembly, the rotating table is uniformly distributed on the tinplate can conveying assembly, and the tinplate can is placed on the rotating table. The utility model has the advantages that: set up the tinplate can on rotatable revolving stage, CCD determine module when the tinplate can is inside, through the rotation of revolving stage, can make the detection of tinplate can inner wall realize 360 full coverings.

Description

Online defect detection device for inner wall of tinplate can

Technical Field

The utility model relates to a defect detection field especially relates to an online defect detection device of tinplate can inner wall.

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 tank through sampling manual inspection in the prior art, the utility model provides an online defect detection device for the inner wall of the tinplate tank, which comprises chain type continuous detection equipment, a tinplate tank conveying assembly and the tinplate tank, wherein the tinplate tank conveying assembly is fixedly arranged on the ground, the tinplate tank is uniformly distributed on the upper surface of the tinplate tank conveying assembly, the opening of the tinplate tank is upward, and the chain type continuous detection equipment is arranged right above the tinplate tank; chain continuous check out test set includes two drive wheels that the level set up, installs two the conveying chain on drive wheel surface with install on the conveying chain and follow the CCD determine module that conveying chain length direction evenly arranged, tinplate can conveying component is including carrying the frame, installing motor element in the frame of carrying with install the epaxial revolving stage of motor element rotation, the revolving stage is evenly arranged tinplate can conveying component is last, the tinplate can be placed on the revolving stage.

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 outer edge of revolving stage upper surface is provided with the round and is used for fixing the fixed strip of tinplate, the revolving stage surface is provided with magnet.

Further, the corresponding defect display area that is used for showing that detects tinplate can defect that is provided with one next to every revolving stage of transport frame upper surface, install inner wall defect display lamp in the defect display area.

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.

Further, the CCD detection assembly comprises a CCD detection rod and an air cylinder assembly used for driving the CCD detection rod to vertically move, the air cylinder assembly is fixedly installed on the installation plate, and the CCD detection rod is fixedly installed at the movable end of the air cylinder assembly.

Further, the CCD detection rod comprises a rod body, a CCD camera and two LED adjustable annular lamps, the rod body is fixedly installed at the movable end of the air cylinder assembly, the two 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 in the middle of the two 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.

Further, the defect detection device also comprises a microprocessor, wherein the output end of the CCD camera is connected with the input end of the microprocessor, and the output end of the microprocessor is connected with the inner wall defect display lamp.

Utilize cylinder assembly drive CCD check rod vertical motion to realize that the CCD check rod gets into and leaves the tinplate jar and detect the position, motor assembly drive tinplate jar rotary motion makes the CCD camera that is located same position can detect the inner wall in the different position of tinplate jar, and install the adjustable ring light of LED on the CCD check rod can provide comparatively ideal light for the inside CCD camera of tinplate jar shoots, the CCD camera that is located the body of rod in the in-process that the CCD check rod detected shoots the state on the rotatory tinplate jar inner wall down to upload to microprocessor, microprocessor carries out analysis processes to the picture of shooing, confirms whether there is information such as defect, the position and the type of defect, and feed back the result to inner wall defect display lamp, reach the purpose of tinplate jar inner wall defect detection.

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 assembly drive CCD check rod vertical motion to realize that the CCD check rod gets into and leaves the tinplate jar and detect the position, motor assembly drive tinplate jar rotary motion makes the CCD camera that is located same position can detect the inner wall in the different position of tinplate jar, and install the adjustable ring light of LED on the CCD check rod can provide comparatively ideal light for the inside CCD camera of tinplate jar shoots, the CCD camera that is located the body of rod in the in-process that the CCD check rod detected shoots the state on the rotatory tinplate jar inner wall down to upload to microprocessor, microprocessor carries out analysis processes to the picture of shooing, confirms whether there is information such as defect, the position and the type of defect, and feed back the result to inner wall defect display lamp, reach the purpose of tinplate jar inner wall defect detection.

Drawings

FIG. 1 is a schematic diagram of a preferred on-line defect detecting device of the present invention;

FIG. 2 is a top view of the preferred tinplate delivery assembly of the present invention;

FIG. 3 is a schematic diagram of a CCD detecting assembly according to the present invention;

FIG. 4 is a preferred on-line detection feedback route diagram of the present invention;

FIG. 5 is a schematic view of a preferred fixing strip of 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. 1-3, the online defect detecting device for the inner wall of the tinplate can comprises a chain type continuous detecting 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 detecting device 1 is arranged right above the tinplate cans 3; chain continuous detection equipment 1 includes two drive wheels 11 that the level set up, installs two 11 surperficial conveying chain 12 of drive wheel is installed on conveying chain 12 and follow the CCD determine module 13 that 12 length direction of conveying chain evenly arranged, tinplate can conveying assembly 2 includes conveyor frame 21, installs motor element 22 on the conveyor frame 21 with install motor element 22 rotation epaxial revolving stage 23, revolving stage 23 evenly arranges on tinplate can conveying assembly 2, tinplate can 3 places on revolving stage 23. The motor assembly 22 may employ a servo motor.

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 drive wheel is rotatory to drive the conveying chain and rotate 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 assembly's velocity of motion, thereby make the tinplate ladle realize defect detection at the in-process of motion.

Set up the tinplate can on rotatable revolving stage, CCD determine module when the tinplate can is inside, through the rotation of revolving stage, can make the detection of tinplate can inner wall realize 360 full coverings.

Referring to fig. 5, a ring of fixing strips 24 for fixing the tinplate 3 is arranged on the outer edge of the upper surface of the rotating platform 23, and a magnet is arranged on the surface of the rotating platform 23. The fixing strip 24 is located outside the tinplate can and is fixed on the rotating table, and the tinplate can be adsorbed on the rotating table by the magnet, so that the tinplate can be prevented from falling off in the moving process.

A defect display area 24 for displaying and detecting the defect of the tinplate 3 is correspondingly arranged beside each rotating platform 23 on the upper surface of the conveying frame 21, and an inner wall defect display lamp 25 is installed in the defect display area 24. When the inner wall defect is detected, the inner wall defect display lamp of the defect display area is on, and a more obvious mark is provided for the separation of subsequent qualified products and defective products.

The conveying chain 12 comprises an inner conveying chain 121 and an outer conveying chain 122 arranged on the outer side of the inner conveying chain 121, the outer conveying chain 122 is connected with the inner conveying chain 121 through an elastic connecting piece 123, a space for accommodating the driving device of the CCD detecting assembly 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 elastic connecting piece can adopt a spring, a plastic product with elasticity, a textile and the like.

The CCD detection assembly 13 includes a CCD detection rod 131 and a cylinder assembly 132 for driving the CCD detection rod 131 to move vertically, the cylinder assembly 132 is fixedly mounted on the mounting plate 124, and the CCD detection rod 131 is fixedly mounted at the movable end of the cylinder assembly 132.

The CCD detection rod 131 comprises a rod body 133, a CCD camera 134 and LED adjustable annular lamps 135, the rod body 133 is fixedly installed at the movable end of the air cylinder component 132, the two LED adjustable annular lamps 135 are vertically distributed and sleeved on the rod body 133, and the CCD camera 134 is installed on the rod body 133 and located in the middle of the two LED adjustable annular lamps 135.

The CCD detection assembly is in a rod-shaped design and is matched with the rotation of the rotating platform, so that the detection range of the CCD camera can realize 360-degree full coverage. The LED adjustable ring lamp can enable light inside the tinplate can to be uniformly distributed, and particularly the light keeps stable in the rotating process of the rotating table.

The CCD camera 134 may be one, and is located between the two LED adjustable ring lights 135.

The number of the CCD cameras 134 may also be two, as shown in fig. 3, the CCD cameras are distributed on two sides of the rod 133, and the CCD cameras are staggered up and down.

Referring to fig. 1 and 3, the cylinder assembly 132 is also mounted on the movable end thereof with a cover 136 for covering the tinplate 3. The shape of lid 136 can be the same with tinplate jar upper shed shape or slightly big, covers the tinplate jar upper shed, prevents that external light from getting into, can realize the stability control to the inside light of tinplate jar like this, improves defect detection's stability and accuracy.

As shown in fig. 4, the defect detecting apparatus further includes a microprocessor 4, the output end of the CCD camera 134 is connected to the input end of the microprocessor 4, and the output end of the microprocessor 4 is connected to the inner wall defect display lamp 25.

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

1. The online defect detection device for the inner wall of the tinplate can 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; chain continuous check out test set includes two drive wheels that the level set up, installs two the conveying chain on drive wheel surface with install on the conveying chain and follow the CCD determine module that conveying chain length direction evenly arranged, tinplate can conveying component is including carrying the frame, installing motor element in the frame of carrying with install the epaxial revolving stage of motor element rotation, the revolving stage is evenly arranged tinplate can conveying component is last, the tinplate can be placed on the revolving stage.

2. The device for detecting the online defect of the inner wall of the tinplate can as claimed in claim 1, wherein a ring of fixing strip for fixing the tinplate can is arranged on the outer edge of the upper surface of the rotating table, and a magnet is arranged on the surface of the rotating table.

3. The apparatus according to claim 2, wherein a defect display area for displaying the detected defect of the tinplate can is correspondingly disposed beside each rotary table on the upper surface of the conveyor frame, and an inner wall defect display lamp is installed in the defect display area.

4. The tinplate can inner wall online defect detection device as claimed in claim 3, wherein the conveying chain comprises an inner conveying chain and an outer conveying chain arranged 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.

5. The device for detecting the online defect of the inner wall of the tinplate can as claimed in claim 4, wherein the CCD detection assembly comprises a CCD detection rod and a cylinder assembly for driving the CCD detection rod to move vertically, the cylinder assembly is fixedly mounted on the mounting plate, and the CCD detection rod is fixedly mounted at the movable end of the cylinder assembly.

6. The device of claim 5, wherein the CCD detecting rod comprises a rod body, a CCD camera and two LED adjustable ring lamps, the rod body is fixedly arranged at the movable end of the cylinder assembly, the two LED adjustable ring lamps are vertically distributed and sleeved on the rod body, and the CCD camera is arranged on the rod body and is positioned in the middle of the two LED adjustable ring lamps.

7. The device for detecting the online defect of the inner wall of the tinplate can as claimed in claim 6, wherein there are two CCD cameras, which are distributed on two sides of the rod body and are staggered up and down.

8. The apparatus of claim 7, wherein the movable end of the cylinder assembly is further mounted on a cover for covering the tinplate.