CN218212678U

CN218212678U - Glass water bottle appearance flaw detection device

Info

Publication number: CN218212678U
Application number: CN202222042519.9U
Authority: CN
Inventors: 袁方
Original assignee: Wuhan Sensairui Technology Co ltd
Current assignee: Wuhan Sensairui Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-03
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to a device for detecting appearance flaws of glass water bottles, which comprises a PLC control part, a belt conveying component for horizontally conveying the glass water bottles, a photoelectric sensor for detecting the positions of the glass water bottles, a visual component for photographing and detecting the appearance flaws of the glass water bottles and a screening cylinder for rejecting the glass water bottles with unqualified detection results; photoelectric sensor, vision subassembly and screening cylinder set up and with PLC control part electric connection along the direction of motion of carafe at interval in proper order. The utility model discloses practicality and operational reliability are good, degree of automation is high, can realize the automatic on-line measuring of carafe outward appearance flaw, and detection speed is fast and detect the precision and the accuracy is higher.

Description

Glass water bottle appearance flaw detection device

Technical Field

The utility model belongs to the technical field of the production of glass water-jug, concretely relates to glass water-jug outward appearance flaw detection device.

Background

Since the carafe has good barrier properties and good corrosion resistance, and the bottle body can be used repeatedly, it is seen everywhere in our daily life. In an automatic production line of a glass water bottle, in order to ensure product quality and safety, it is necessary to detect whether or not a body of the glass water bottle has a defect such as dirt, crack, abrasion, and the like, and a manual identification method is often used at present.

In the manual detection mode of the appearance flaws of the glass water bottles, the inventor thinks that the defects of low detection speed and low detection precision and accuracy exist.

SUMMERY OF THE UTILITY MODEL

In order to improve the detection speed that manual detection glass water bottle outward appearance flaw exists slowly and detect the lower defect of precision and accuracy, the utility model provides a glass water bottle outward appearance flaw detection device.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the appearance flaw detection device for the glass water bottles comprises a PLC control part, a belt conveying assembly for horizontally conveying the glass water bottles, a photoelectric sensor for detecting the positions of the glass water bottles, a vision assembly for photographing and detecting the appearance flaws of the glass water bottles and a screening cylinder for removing the glass water bottles with unqualified detection results; photoelectric sensor, vision subassembly and screening cylinder set up and with PLC control part electric connection along the direction of motion of carafe at interval in proper order.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, photoelectric sensor, vision subassembly and screening cylinder set up in belt conveyor subassembly same one side.

The belt conveying assembly comprises a conveying belt, a bracket, a driving roller, a driven roller, a motor for driving the driving roller to rotate and a plurality of support columns arranged below the bracket, wherein the bracket is arranged on the inner side of the conveying belt, the driving roller and the driven roller are respectively arranged at two end parts of the bracket and are in rotating connection with the bracket, and mounting plates for assembling the bracket are arranged at the tops of the support columns; the mounting plate is of a '21274', and is connected with the front side wall and the rear side wall of the bracket through bolts.

Further, photoelectric sensor and screening cylinder are all fixed mounting on the preceding lateral wall of bracket.

Further, the vision subassembly includes image recognition module and electric connection in PLC control part's annular light source and industry camera, annular light source sets up the one side that is close to belt conveyor assembly at industry camera, industry camera includes the FA camera lens, the FA camera lens sets up with the annular light source is coaxial, image recognition module's signal input part, output link to each other with industry camera, PLC control part respectively.

Further, the detection device further comprises a three-way moving assembly for adjusting the position of the vision assembly; the three-way moving assembly comprises a transverse sliding rail, a transverse sliding table, a vertical sliding rail, a vertical sliding table, a longitudinal sliding rail, a longitudinal light source sliding table and a longitudinal camera sliding table, the transverse sliding rail is arranged in parallel with the moving direction of the carafe, the transverse sliding table is matched with the transverse sliding rail and locked through a first limiting part, the vertical sliding rail is arranged and fixedly installed on the transverse sliding table along the vertical direction, the vertical sliding table is matched with the vertical sliding rail and locked through a second limiting part, the longitudinal sliding rail is perpendicular to the transverse sliding rail and the vertical sliding rail and fixedly installed on the vertical sliding table, the longitudinal light source sliding table is matched with the longitudinal sliding rail and locked through a third limiting part, the longitudinal camera sliding table is matched with the longitudinal sliding rail and matched through a fourth limiting part, the annular light source is fixedly installed on the longitudinal light source sliding table, and the industrial camera is fixedly installed on the longitudinal camera sliding table through a connecting plate in the shape of 'I'.

Further, the first limiting part, the second limiting part, the third limiting part and the fourth limiting part are all adjusting bolts.

Furthermore, a push plate is fixedly mounted at one end, far away from the cylinder body, of the piston rod of the screening cylinder.

Furthermore, two end parts of the push plate extend outwards to form material blocking sections arranged towards the glass water bottle.

The utility model has the advantages that: the utility model discloses practicality and operational reliability are good, degree of automation is high, can realize the automatic on-line measuring of glass water-jug outward appearance flaw, and it is higher to detect fast and detection precision and accuracy.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a partial structure at another viewing angle of the present invention;

fig. 3 is a top view of the present invention.

In the figure:

10. the device comprises a belt conveying component, 11, a conveying belt, 12, a bracket, 13, a supporting column, 14, a mounting plate, 20, a photoelectric sensor, 30, a vision component, 31, an annular light source, 32, an industrial camera, 33, an FA lens, 40, a screening cylinder, 50, a glass bottle, 60, a three-way moving component, 61, a transverse sliding rail, 62, a transverse sliding table, 63, a vertical sliding rail, 64, a vertical sliding table, 65, a longitudinal sliding rail, 66, a longitudinal light source sliding table, 67, a longitudinal camera sliding table, 681, a first limiting part, 682, a second limiting part, 683, a third limiting part, 684, a fourth limiting part, 69, a connecting plate, 70, a push plate, 71 and a blocking section.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

To facilitate understanding of the structure of the present invention, the present invention is described with reference to fig. 1, which defines the front and rear directions. The directional definitions are merely for convenience of description and to facilitate understanding of the structure of the present invention by those skilled in the art, and do not limit the scope of the present invention.

As shown in fig. 1-3, the utility model discloses a carafe outward appearance flaw detection device, including PLC control part, belt conveyor subassembly 10, photoelectric sensor 20, vision subassembly 30 and screening cylinder 40. The control part comprises a PLC (programmable logic controller), the belt conveying assembly 10 is used for horizontally conveying the glass water bottles 50, the photoelectric sensor 20 is used for detecting the positions of the glass water bottles 50, the vision assembly 30 is used for photographing and detecting appearance flaws of the glass water bottles 50, and the screening air cylinder 40 is used for rejecting the glass water bottles 50 with unqualified detection results.

The photoelectric sensor 20, the vision assembly 30 and the screening cylinder 40 are sequentially arranged at intervals along the moving direction of the glass water bottle 50 and electrically connected with the PLC control part. The PLC control part can select the existing PLC components, can acquire the detection data returned by the photoelectric sensor 20 and the detection result of the vision component 30 in real time, and controls the actions of the vision component 30 and the screening cylinder 40 according to the position detection data and the appearance flaw detection result of the glass water bottle 50. Since the distance between the photoelectric sensor 20 and the vision assembly 30 is fixed, the moving speed of the carafe 50 is fixed, so that the delay time parameter of the action of the vision assembly 30 can be written into the PLC. Similarly, because the distance between the vision assembly 30 and the screening cylinder 40 is fixed, and the moving speed of the carafe 50 is fixed, the delay time parameter of the action of the screening cylinder 40 can be written into the PLC, so that automatic accurate control is realized.

In summary, the working principle of the detection device is as follows:

(1) When the carafe 50 on the belt conveying assembly 10 passes through the photoelectric sensor 20, the photoelectric sensor 20 detects a signal and transmits the signal to the PLC control part;

(2) The PLC controls the action of the visual component 30 according to the position detection data, namely, according to the preset delay time parameter of the action of the visual component 30, when the corresponding glass bottle 50 reaches the photographing range of the visual component 30, the visual component 30 performs photographing detection;

(3) The PLC controls the screening cylinder 40 to act/not act according to the detection result of the appearance flaw, namely if the detection result is unqualified, the screening cylinder 40 acts according to the preset delay time parameter of the action of the screening cylinder 40, and when the corresponding glass water bottle reaches the action range of the screening cylinder 40, the piston rod of the screening cylinder 40 extends outwards to remove the unqualified glass water bottle 50 and reset; if the detection result is qualified, the screening cylinder 40 does not act, and the corresponding glass water bottle 50 continues to move to the discharging.

The detection device has good practicability and working reliability and high automation degree, can realize automatic online detection of the appearance flaws of the glass water bottles, and has high detection speed and higher detection precision and accuracy.

In the preferred embodiment of the above technical solution, the photoelectric sensor 20, the vision module 30 and the screening cylinder 40 are disposed on the same side of the belt conveying module 10, so as to reduce the floor area and improve the convenience of operation and maintenance.

In the preferred embodiment of the above technical solution, the belt conveying assembly 10 includes a conveying belt 11, a bracket 12, a driving roller, a driven roller, a motor for driving the driving roller to rotate, and a plurality of supporting columns 13 disposed below the bracket 12. A plurality of vials 50 to be tested are sequentially placed on the conveyor 11 at intervals. The carrier 12 is disposed inside the conveyor belt 11, and the driving roller and the driven roller are respectively disposed at both ends of the carrier 12 and rotatably connected to the carrier 12. The top of the support column 13 is provided with a mounting plate 14 for mounting the bracket 12. The mounting plate 14 is of a' 21274.

By adopting the belt conveying assembly 10 with the structural design, not only can the glass water bottle 50 be conveyed horizontally, but also the overall structure stability and the operation reliability are better, so that the detection precision and the accuracy of the detection device can be further improved.

Preferably, the motor is electrically connected with the PLC control part, namely the PLC control part controls the starting and stopping of the motor, so that the automation degree of the detection device can be further improved. The photoelectric sensor 20 and the screening cylinder 40 are both fixedly mounted on the front side wall of the bracket 12.

More preferably, the belt conveying assembly 10 further includes a reduction gear set, the reduction gear set includes a driving gear and a driven gear, the driving gear and the driven gear are engaged to transmit power, the driving gear is installed on a motor shaft of the motor, and the driven gear is installed on the driving roller. Namely, the power is transmitted between the motor and the driving roller through the reduction gear set. The driving gear and the motor shaft, the driven gear and the driving roller can be connected through keys and can also be fixedly connected through other existing connection modes.

Through motor and reduction gear's cooperation, the drive roll of drive rotates, drives 11 movements of conveyer belt then, realizes the horizontal transport to carafe 50, and the performance is more stable.

As shown in fig. 2, in the preferred embodiment of the above technical solution, the vision assembly 30 includes an image recognition module, and a ring light source 31 and an industrial camera 32 electrically connected to the PLC control part. The annular light source 31 is arranged on one side of the industrial camera 32 close to the belt conveying assembly 10, and plays a role in providing observation light and weakening ambient light interference, so that the accuracy and precision of photographing detection are ensured. The industrial camera 32 comprises an FA lens 33, and the FA lens 33 is coaxially arranged with the annular light source 31 so as to further improve the accuracy and precision of photographing detection. And the signal input end and the signal output end of the image recognition module are respectively connected with the industrial camera 32 and the PLC control part.

By adopting the technical scheme, the PLC control part controls the annular light source 31 to be started and the industrial camera 32 to shoot according to the position detection data, and receives the detection result returned by the image recognition module. The image recognition module can be a computer with image recognition software, and is used for receiving and displaying the image shot by the industrial camera 32, processing the shot image, and transmitting the processed result to the PLC control part. The image recognition software part in the computer can be realized by adopting the existing software, and the comparison can be carried out by presetting images of various defective products, which is not described again here.

In the preferred embodiment of the above solution, as shown in fig. 1-3, the detection device further comprises a three-way moving assembly 60 for adjusting the position of the vision assembly 30. The three-way moving assembly 60 comprises a transverse slide rail 61, a transverse sliding table 62, a vertical slide rail 63, a vertical sliding table 64, a longitudinal slide rail 65, a longitudinal light source sliding table 66 and a longitudinal camera sliding table 67. The transverse slide rails 61 are arranged parallel to the direction of movement of the carafe 50. The transverse sliding table 62 is slidably fitted to the transverse sliding rail 61 and locked by a first stopper 681. The vertical slide rail 63 is arranged along the vertical direction and is fixedly mounted on the transverse sliding table 62, and the vertical sliding table 64 is in sliding fit with the vertical slide rail 63 and is locked by the second limiting member 682. The longitudinal slide rail 65 is perpendicular to the transverse slide rail 61 and the vertical slide rail 63 and is fixedly installed on the vertical sliding table 64. The longitudinal light source sliding table 66 is slidably engaged with the longitudinal sliding rail 65 and locked by a third stopper 683. The longitudinal camera sliding table 67 is slidably fitted to the longitudinal sliding rail 65 and passes through a fourth limiting member 684. The annular light source 31 is fixedly arranged on a longitudinal light source sliding table 66, and the industrial camera 32 is fixedly arranged on a longitudinal camera sliding table 67 through an I-shaped connecting plate 69.

In use, according to on-site and actual test, the positions of the annular light source 31 and the industrial camera 32 are continuously adjusted by the additionally arranged three-way moving assembly 60 so as to find the best shooting position, and therefore the practicability, the detection precision and the accuracy of the detection device are further improved. In addition, the three-way moving assembly 60 with the above structure design can effectively ensure the stability of the moving state and the locking state of the annular light source 31 and the industrial camera 32.

More preferably, the first locating part 681 is an adjusting bolt in threaded connection with the transverse sliding table 62, the second locating part 682 is an adjusting bolt in threaded connection with the vertical sliding table 64, the third locating part 683 is an adjusting bolt in threaded connection with the longitudinal light source sliding table 66, and the fourth locating part 684 is an adjusting bolt in threaded connection with the longitudinal camera sliding table 67, so that the locking requirement after the completion of position adjustment can be met, and the operation and difficulty are low.

As shown in fig. 3, in the preferred embodiment of the above technical solution, a push plate 70 is fixedly installed at one end of the piston rod of the screening cylinder 40 far from the cylinder body thereof, so as to increase the contact area between the piston rod of the screening cylinder 40 and the carafe 50 with the unqualified detection result, so that the pushing force applied to the carafe 50 is more uniform, and the moving stability of the carafe 50 is improved.

More preferably, the two end portions of the push plate 70 extend outwards to form blocking sections 71 facing the carafe 50. The material blocking section 71 mainly plays a role in limiting and guiding the movement of the carafe 50 with unqualified detection results, so that the movement stability of the carafe 50 is further improved, and the interference of the carafe 50 on adjacent (front and back) carafes is prevented.

The utility model discloses in, the equipment and the subassembly that do not describe the structure are commercial equipment or subassembly.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The device for detecting the appearance flaws of the carafe comprises a PLC control part and is characterized by further comprising a belt conveying assembly (10) for horizontally conveying the carafe (50), a photoelectric sensor (20) for detecting the position of the carafe (50), a visual assembly (30) for photographing and detecting the appearance flaws of the carafe (50) and a screening cylinder (40) for rejecting the carafe (50) with unqualified detection results; the photoelectric sensor (20), the visual component (30) and the screening air cylinder (40) are sequentially arranged at intervals along the movement direction of the glass water bottle (50) and are electrically connected with the PLC control part.

2. A carafe appearance imperfection detection apparatus as claimed in claim 1, wherein said photosensor (20), vision module (30) and screening cylinder (40) are disposed on the same side of the belt conveyor assembly (10).

3. The apparatus for detecting the appearance defects of the carafes according to claim 1, wherein the belt conveying assembly (10) comprises a conveying belt (11), a bracket (12), a driving roller, a driven roller, a motor for driving the driving roller to rotate and a plurality of supporting columns (13) arranged below the bracket (12), the bracket (12) is arranged on the inner side of the conveying belt (11), the driving roller and the driven roller are respectively arranged at two ends of the bracket (12) and are rotatably connected with the bracket (12), and a mounting plate (14) for assembling the bracket (12) is arranged at the top of each supporting column (13); the mounting plate (14) is of a '21274', and is connected with the front side wall and the rear side wall of the bracket (12) through bolts.

4. A carafe appearance flaw detection apparatus as claimed in claim 3, wherein the photoelectric sensor (20) and the screening cylinder (40) are both fixedly mounted on a front side wall of the bracket (12).

5. The apparatus for detecting the appearance flaws of the carafe according to claim 1, wherein the vision component (30) comprises an image recognition module, and an annular light source (31) and an industrial camera (32) which are electrically connected to the PLC control part, the annular light source (31) is arranged on one side of the industrial camera (32) close to the belt conveying component (10), the industrial camera (32) comprises an FA lens (33), the FA lens (33) is coaxially arranged with the annular light source (31), and a signal input end and an output end of the image recognition module are respectively connected with the industrial camera (32) and the PLC control part.

6. A carafe appearance imperfection detection apparatus as claimed in claim 5, wherein said detection apparatus further comprises a three-way moving assembly (60) for adjusting the position of the vision assembly (30); the three-way moving assembly (60) comprises a transverse slide rail (61), a transverse slide table (62), a vertical slide rail (63), a vertical slide table (64), a longitudinal slide rail (65), a longitudinal light source slide table (66) and a longitudinal camera slide table (67), the transverse slide rails (61) are arranged in parallel to the movement direction of the carafe (50), the transverse sliding table (62) is in sliding fit with the transverse sliding rail (61) and is locked by a first limiting piece (681), the vertical slide rail (63) is arranged along the vertical direction and is fixedly arranged on the transverse sliding table (62), the vertical sliding table (64) is in sliding fit with the vertical sliding rail (63) and is locked by a second stopper (682), the longitudinal slide rail (65) is perpendicular to the transverse slide rail (61) and the vertical slide rail (63) and is fixedly arranged on the vertical sliding table (64), the longitudinal light source sliding table (66) is in sliding fit with the longitudinal sliding rail (65) and is locked by a third limiting piece (683), the longitudinal camera sliding table (67) is in sliding fit with the longitudinal sliding rail (65) and passes through a fourth limiting piece (684), the annular light source (31) is fixedly arranged on the longitudinal light source sliding table (66), the industrial camera (32) is fixedly arranged on the longitudinal camera sliding table (67) through an I-shaped connecting plate (69).

7. The apparatus of claim 6, wherein the first stop member (681), the second stop member (682), the third stop member (683), and the fourth stop member (684) are adjustment bolts.

8. The apparatus for detecting the appearance defects of the carafe according to claim 1, wherein a push plate (70) is fixedly installed at one end of the piston rod of the screening cylinder (40) far away from the cylinder body thereof.

9. The apparatus for detecting the appearance flaws of carafes according to claim 8, wherein the push plate (70) has two end portions extending outward to form retaining sections (71) disposed toward the carafes (50).